deleted files weren't added to last commitrelease_3.0

3 files changed, 0 insertions, 11584 deletions

diff --git a/SDL_Core/tools/intergen/third_party/pugixml/src/pugiconfig.hpp b/SDL_Core/tools/intergen/third_party/pugixml/src/pugiconfig.hpp
deleted file mode 100644
index c2196715c..000000000
--- a/SDL_Core/tools/intergen/third_party/pugixml/src/pugiconfig.hpp
+++ /dev/null
@@ -1,69 +0,0 @@
-/**
- * pugixml parser - version 1.2
- * --------------------------------------------------------
- * Copyright (C) 2006-2012, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
- * Report bugs and download new versions at http://pugixml.org/
- *
- * This library is distributed under the MIT License. See notice at the end
- * of this file.
- *
- * This work is based on the pugxml parser, which is:
- * Copyright (C) 2003, by Kristen Wegner (kristen@tima.net)
- */
-
-#ifndef HEADER_PUGICONFIG_HPP
-#define HEADER_PUGICONFIG_HPP
-
-// Uncomment this to enable wchar_t mode
-// #define PUGIXML_WCHAR_MODE
-
-// Uncomment this to disable XPath
-// #define PUGIXML_NO_XPATH
-
-// Uncomment this to disable STL
-// #define PUGIXML_NO_STL
-
-// Uncomment this to disable exceptions
-// #define PUGIXML_NO_EXCEPTIONS
-
-// Set this to control attributes for public classes/functions, i.e.:
-// #define PUGIXML_API __declspec(dllexport) // to export all public symbols from DLL
-// #define PUGIXML_CLASS __declspec(dllimport) // to import all classes from DLL
-// #define PUGIXML_FUNCTION __fastcall // to set calling conventions to all public functions to fastcall
-// In absence of PUGIXML_CLASS/PUGIXML_FUNCTION definitions PUGIXML_API is used instead
-
-// Uncomment this to switch to header-only version
-// #define PUGIXML_HEADER_ONLY
-// #include "pugixml.cpp"
-
-// Tune these constants to adjust memory-related behavior
-// #define PUGIXML_MEMORY_PAGE_SIZE 32768
-// #define PUGIXML_MEMORY_OUTPUT_STACK 10240
-// #define PUGIXML_MEMORY_XPATH_PAGE_SIZE 4096
-
-#endif
-
-/**
- * Copyright (c) 2006-2012 Arseny Kapoulkine
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
diff --git a/SDL_Core/tools/intergen/third_party/pugixml/src/pugixml.cpp b/SDL_Core/tools/intergen/third_party/pugixml/src/pugixml.cpp
deleted file mode 100644
index 4035ab1cf..000000000
--- a/SDL_Core/tools/intergen/third_party/pugixml/src/pugixml.cpp
+++ /dev/null
@@ -1,10250 +0,0 @@
-/**
- * pugixml parser - version 1.2
- * --------------------------------------------------------
- * Copyright (C) 2006-2012, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
- * Report bugs and download new versions at http://pugixml.org/
- *
- * This library is distributed under the MIT License. See notice at the end
- * of this file.
- *
- * This work is based on the pugxml parser, which is:
- * Copyright (C) 2003, by Kristen Wegner (kristen@tima.net)
- */
-
-#ifndef SOURCE_PUGIXML_CPP
-#define SOURCE_PUGIXML_CPP
-
-#include "pugixml.hpp"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include <wchar.h>
-
-#ifndef PUGIXML_NO_XPATH
-#	include <math.h>
-#	include <float.h>
-#	ifdef PUGIXML_NO_EXCEPTIONS
-#		include <setjmp.h>
-#	endif
-#endif
-
-#ifndef PUGIXML_NO_STL
-#	include <istream>
-#	include <ostream>
-#	include <string>
-#endif
-
-// For placement new
-#include <new>
-
-#ifdef _MSC_VER
-#	pragma warning(push)
-#	pragma warning(disable: 4127) // conditional expression is constant
-#	pragma warning(disable: 4324) // structure was padded due to __declspec(align())
-#	pragma warning(disable: 4611) // interaction between '_setjmp' and C++ object destruction is non-portable
-#	pragma warning(disable: 4702) // unreachable code
-#	pragma warning(disable: 4996) // this function or variable may be unsafe
-#	pragma warning(disable: 4793) // function compiled as native: presence of '_setjmp' makes a function unmanaged
-#endif
-
-#ifdef __INTEL_COMPILER
-#	pragma warning(disable: 177) // function was declared but never referenced 
-#	pragma warning(disable: 279) // controlling expression is constant
-#	pragma warning(disable: 1478 1786) // function was declared "deprecated"
-#	pragma warning(disable: 1684) // conversion from pointer to same-sized integral type
-#endif
-
-#if defined(__BORLANDC__) && defined(PUGIXML_HEADER_ONLY)
-#	pragma warn -8080 // symbol is declared but never used; disabling this inside push/pop bracket does not make the warning go away
-#endif
-
-#ifdef __BORLANDC__
-#	pragma option push
-#	pragma warn -8008 // condition is always false
-#	pragma warn -8066 // unreachable code
-#endif
-
-#ifdef __SNC__
-// Using diag_push/diag_pop does not disable the warnings inside templates due to a compiler bug
-#	pragma diag_suppress=178 // function was declared but never referenced
-#	pragma diag_suppress=237 // controlling expression is constant
-#endif
-
-// Inlining controls
-#if defined(_MSC_VER) && _MSC_VER >= 1300
-#	define PUGI__NO_INLINE __declspec(noinline)
-#elif defined(__GNUC__)
-#	define PUGI__NO_INLINE __attribute__((noinline))
-#else
-#	define PUGI__NO_INLINE 
-#endif
-
-// Simple static assertion
-#define PUGI__STATIC_ASSERT(cond) { static const char condition_failed[(cond) ? 1 : -1] = {0}; (void)condition_failed[0]; }
-
-// Digital Mars C++ bug workaround for passing char loaded from memory via stack
-#ifdef __DMC__
-#	define PUGI__DMC_VOLATILE volatile
-#else
-#	define PUGI__DMC_VOLATILE
-#endif
-
-// Borland C++ bug workaround for not defining ::memcpy depending on header include order (can't always use std::memcpy because some compilers don't have it at all)
-#if defined(__BORLANDC__) && !defined(__MEM_H_USING_LIST)
-using std::memcpy;
-using std::memmove;
-#endif
-
-// In some environments MSVC is a compiler but the CRT lacks certain MSVC-specific features
-#if defined(_MSC_VER) && !defined(__S3E__)
-#	define PUGI__MSVC_CRT_VERSION _MSC_VER
-#endif
-
-#ifdef PUGIXML_HEADER_ONLY
-#	define PUGI__NS_BEGIN namespace pugi { namespace impl {
-#	define PUGI__NS_END } }
-#	define PUGI__FN inline
-#	define PUGI__FN_NO_INLINE inline
-#else
-#	if defined(_MSC_VER) && _MSC_VER < 1300 // MSVC6 seems to have an amusing bug with anonymous namespaces inside namespaces
-#		define PUGI__NS_BEGIN namespace pugi { namespace impl {
-#		define PUGI__NS_END } }
-#	else
-#		define PUGI__NS_BEGIN namespace pugi { namespace impl { namespace {
-#		define PUGI__NS_END } } }
-#	endif
-#	define PUGI__FN
-#	define PUGI__FN_NO_INLINE PUGI__NO_INLINE
-#endif
-
-// uintptr_t
-#if !defined(_MSC_VER) || _MSC_VER >= 1600
-#	include <stdint.h>
-#else
-#	ifndef _UINTPTR_T_DEFINED
-// No native uintptr_t in MSVC6 and in some WinCE versions
-typedef size_t uintptr_t;
-#define _UINTPTR_T_DEFINED
-#	endif
-PUGI__NS_BEGIN
-	typedef unsigned __int8 uint8_t;
-	typedef unsigned __int16 uint16_t;
-	typedef unsigned __int32 uint32_t;
-PUGI__NS_END
-#endif
-
-// Memory allocation
-PUGI__NS_BEGIN
-	PUGI__FN void* default_allocate(size_t size)
-	{
-		return malloc(size);
-	}
-
-	PUGI__FN void default_deallocate(void* ptr)
-	{
-		free(ptr);
-	}
-
-	template <typename T>
-	struct xml_memory_management_function_storage
-	{
-		static allocation_function allocate;
-		static deallocation_function deallocate;
-	};
-
-	template <typename T> allocation_function xml_memory_management_function_storage<T>::allocate = default_allocate;
-	template <typename T> deallocation_function xml_memory_management_function_storage<T>::deallocate = default_deallocate;
-
-	typedef xml_memory_management_function_storage<int> xml_memory;
-PUGI__NS_END
-
-// String utilities
-PUGI__NS_BEGIN
-	// Get string length
-	PUGI__FN size_t strlength(const char_t* s)
-	{
-		assert(s);
-
-	#ifdef PUGIXML_WCHAR_MODE
-		return wcslen(s);
-	#else
-		return strlen(s);
-	#endif
-	}
-
-	// Compare two strings
-	PUGI__FN bool strequal(const char_t* src, const char_t* dst)
-	{
-		assert(src && dst);
-
-	#ifdef PUGIXML_WCHAR_MODE
-		return wcscmp(src, dst) == 0;
-	#else
-		return strcmp(src, dst) == 0;
-	#endif
-	}
-
-	// Compare lhs with [rhs_begin, rhs_end)
-	PUGI__FN bool strequalrange(const char_t* lhs, const char_t* rhs, size_t count)
-	{
-		for (size_t i = 0; i < count; ++i)
-			if (lhs[i] != rhs[i])
-				return false;
-	
-		return lhs[count] == 0;
-	}
-	
-#ifdef PUGIXML_WCHAR_MODE
-	// Convert string to wide string, assuming all symbols are ASCII
-	PUGI__FN void widen_ascii(wchar_t* dest, const char* source)
-	{
-		for (const char* i = source; *i; ++i) *dest++ = *i;
-		*dest = 0;
-	}
-#endif
-PUGI__NS_END
-
-#if !defined(PUGIXML_NO_STL) || !defined(PUGIXML_NO_XPATH)
-// auto_ptr-like buffer holder for exception recovery
-PUGI__NS_BEGIN
-	struct buffer_holder
-	{
-		void* data;
-		void (*deleter)(void*);
-
-		buffer_holder(void* data_, void (*deleter_)(void*)): data(data_), deleter(deleter_)
-		{
-		}
-
-		~buffer_holder()
-		{
-			if (data) deleter(data);
-		}
-
-		void* release()
-		{
-			void* result = data;
-			data = 0;
-			return result;
-		}
-	};
-PUGI__NS_END
-#endif
-
-PUGI__NS_BEGIN
-	static const size_t xml_memory_page_size =
-	#ifdef PUGIXML_MEMORY_PAGE_SIZE
-		PUGIXML_MEMORY_PAGE_SIZE
-	#else
-		32768
-	#endif
-		;
-
-	static const uintptr_t xml_memory_page_alignment = 32;
-	static const uintptr_t xml_memory_page_pointer_mask = ~(xml_memory_page_alignment - 1);
-	static const uintptr_t xml_memory_page_name_allocated_mask = 16;
-	static const uintptr_t xml_memory_page_value_allocated_mask = 8;
-	static const uintptr_t xml_memory_page_type_mask = 7;
-
-	struct xml_allocator;
-
-	struct xml_memory_page
-	{
-		static xml_memory_page* construct(void* memory)
-		{
-			if (!memory) return 0; //$ redundant, left for performance
-
-			xml_memory_page* result = static_cast<xml_memory_page*>(memory);
-
-			result->allocator = 0;
-			result->memory = 0;
-			result->prev = 0;
-			result->next = 0;
-			result->busy_size = 0;
-			result->freed_size = 0;
-
-			return result;
-		}
-
-		xml_allocator* allocator;
-
-		void* memory;
-
-		xml_memory_page* prev;
-		xml_memory_page* next;
-
-		size_t busy_size;
-		size_t freed_size;
-
-		char data[1];
-	};
-
-	struct xml_memory_string_header
-	{
-		uint16_t page_offset; // offset from page->data
-		uint16_t full_size; // 0 if string occupies whole page
-	};
-
-	struct xml_allocator
-	{
-		xml_allocator(xml_memory_page* root): _root(root), _busy_size(root->busy_size)
-		{
-		}
-
-		xml_memory_page* allocate_page(size_t data_size)
-		{
-			size_t size = offsetof(xml_memory_page, data) + data_size;
-
-			// allocate block with some alignment, leaving memory for worst-case padding
-			void* memory = xml_memory::allocate(size + xml_memory_page_alignment);
-			if (!memory) return 0;
-
-			// align upwards to page boundary
-			void* page_memory = reinterpret_cast<void*>((reinterpret_cast<uintptr_t>(memory) + (xml_memory_page_alignment - 1)) & ~(xml_memory_page_alignment - 1));
-
-			// prepare page structure
-			xml_memory_page* page = xml_memory_page::construct(page_memory);
-
-			page->memory = memory;
-			page->allocator = _root->allocator;
-
-			return page;
-		}
-
-		static void deallocate_page(xml_memory_page* page)
-		{
-			xml_memory::deallocate(page->memory);
-		}
-
-		void* allocate_memory_oob(size_t size, xml_memory_page*& out_page);
-
-		void* allocate_memory(size_t size, xml_memory_page*& out_page)
-		{
-			if (_busy_size + size > xml_memory_page_size) return allocate_memory_oob(size, out_page);
-
-			void* buf = _root->data + _busy_size;
-
-			_busy_size += size;
-
-			out_page = _root;
-
-			return buf;
-		}
-
-		void deallocate_memory(void* ptr, size_t size, xml_memory_page* page)
-		{
-			if (page == _root) page->busy_size = _busy_size;
-
-			assert(ptr >= page->data && ptr < page->data + page->busy_size);
-			(void)!ptr;
-
-			page->freed_size += size;
-			assert(page->freed_size <= page->busy_size);
-
-			if (page->freed_size == page->busy_size)
-			{
-				if (page->next == 0)
-				{
-					assert(_root == page);
-
-					// top page freed, just reset sizes
-					page->busy_size = page->freed_size = 0;
-					_busy_size = 0;
-				}
-				else
-				{
-					assert(_root != page);
-					assert(page->prev);
-
-					// remove from the list
-					page->prev->next = page->next;
-					page->next->prev = page->prev;
-
-					// deallocate
-					deallocate_page(page);
-				}
-			}
-		}
-
-		char_t* allocate_string(size_t length)
-		{
-			// allocate memory for string and header block
-			size_t size = sizeof(xml_memory_string_header) + length * sizeof(char_t);
-			
-			// round size up to pointer alignment boundary
-			size_t full_size = (size + (sizeof(void*) - 1)) & ~(sizeof(void*) - 1);
-
-			xml_memory_page* page;
-			xml_memory_string_header* header = static_cast<xml_memory_string_header*>(allocate_memory(full_size, page));
-
-			if (!header) return 0;
-
-			// setup header
-			ptrdiff_t page_offset = reinterpret_cast<char*>(header) - page->data;
-
-			assert(page_offset >= 0 && page_offset < (1 << 16));
-			header->page_offset = static_cast<uint16_t>(page_offset);
-
-			// full_size == 0 for large strings that occupy the whole page
-			assert(full_size < (1 << 16) || (page->busy_size == full_size && page_offset == 0));
-			header->full_size = static_cast<uint16_t>(full_size < (1 << 16) ? full_size : 0);
-
-			// round-trip through void* to avoid 'cast increases required alignment of target type' warning
-			// header is guaranteed a pointer-sized alignment, which should be enough for char_t
-			return static_cast<char_t*>(static_cast<void*>(header + 1));
-		}
-
-		void deallocate_string(char_t* string)
-		{
-			// this function casts pointers through void* to avoid 'cast increases required alignment of target type' warnings
-			// we're guaranteed the proper (pointer-sized) alignment on the input string if it was allocated via allocate_string
-
-			// get header
-			xml_memory_string_header* header = static_cast<xml_memory_string_header*>(static_cast<void*>(string)) - 1;
-
-			// deallocate
-			size_t page_offset = offsetof(xml_memory_page, data) + header->page_offset;
-			xml_memory_page* page = reinterpret_cast<xml_memory_page*>(static_cast<void*>(reinterpret_cast<char*>(header) - page_offset));
-
-			// if full_size == 0 then this string occupies the whole page
-			size_t full_size = header->full_size == 0 ? page->busy_size : header->full_size;
-
-			deallocate_memory(header, full_size, page);
-		}
-
-		xml_memory_page* _root;
-		size_t _busy_size;
-	};
-
-	PUGI__FN_NO_INLINE void* xml_allocator::allocate_memory_oob(size_t size, xml_memory_page*& out_page)
-	{
-		const size_t large_allocation_threshold = xml_memory_page_size / 4;
-
-		xml_memory_page* page = allocate_page(size <= large_allocation_threshold ? xml_memory_page_size : size);
-		out_page = page;
-
-		if (!page) return 0;
-
-		if (size <= large_allocation_threshold)
-		{
-			_root->busy_size = _busy_size;
-
-			// insert page at the end of linked list
-			page->prev = _root;
-			_root->next = page;
-			_root = page;
-
-			_busy_size = size;
-		}
-		else
-		{
-			// insert page before the end of linked list, so that it is deleted as soon as possible
-			// the last page is not deleted even if it's empty (see deallocate_memory)
-			assert(_root->prev);
-
-			page->prev = _root->prev;
-			page->next = _root;
-
-			_root->prev->next = page;
-			_root->prev = page;
-		}
-
-		// allocate inside page
-		page->busy_size = size;
-
-		return page->data;
-	}
-PUGI__NS_END
-
-namespace pugi
-{
-	/// A 'name=value' XML attribute structure.
-	struct xml_attribute_struct
-	{
-		/// Default ctor
-		xml_attribute_struct(impl::xml_memory_page* page): header(reinterpret_cast<uintptr_t>(page)), name(0), value(0), prev_attribute_c(0), next_attribute(0)
-		{
-		}
-
-		uintptr_t header;
-
-		char_t* name;	///< Pointer to attribute name.
-		char_t*	value;	///< Pointer to attribute value.
-
-		xml_attribute_struct* prev_attribute_c;	///< Previous attribute (cyclic list)
-		xml_attribute_struct* next_attribute;	///< Next attribute
-	};
-
-	/// An XML document tree node.
-	struct xml_node_struct
-	{
-		/// Default ctor
-		/// \param type - node type
-		xml_node_struct(impl::xml_memory_page* page, xml_node_type type): header(reinterpret_cast<uintptr_t>(page) | (type - 1)), parent(0), name(0), value(0), first_child(0), prev_sibling_c(0), next_sibling(0), first_attribute(0)
-		{
-		}
-
-		uintptr_t header;
-
-		xml_node_struct*		parent;					///< Pointer to parent
-
-		char_t*					name;					///< Pointer to element name.
-		char_t*					value;					///< Pointer to any associated string data.
-
-		xml_node_struct*		first_child;			///< First child
-		
-		xml_node_struct*		prev_sibling_c;			///< Left brother (cyclic list)
-		xml_node_struct*		next_sibling;			///< Right brother
-		
-		xml_attribute_struct*	first_attribute;		///< First attribute
-	};
-}
-
-PUGI__NS_BEGIN
-	struct xml_document_struct: public xml_node_struct, public xml_allocator
-	{
-		xml_document_struct(xml_memory_page* page): xml_node_struct(page, node_document), xml_allocator(page), buffer(0)
-		{
-		}
-
-		const char_t* buffer;
-	};
-
-	inline xml_allocator& get_allocator(const xml_node_struct* node)
-	{
-		assert(node);
-
-		return *reinterpret_cast<xml_memory_page*>(node->header & xml_memory_page_pointer_mask)->allocator;
-	}
-PUGI__NS_END
-
-// Low-level DOM operations
-PUGI__NS_BEGIN
-	inline xml_attribute_struct* allocate_attribute(xml_allocator& alloc)
-	{
-		xml_memory_page* page;
-		void* memory = alloc.allocate_memory(sizeof(xml_attribute_struct), page);
-
-		return new (memory) xml_attribute_struct(page);
-	}
-
-	inline xml_node_struct* allocate_node(xml_allocator& alloc, xml_node_type type)
-	{
-		xml_memory_page* page;
-		void* memory = alloc.allocate_memory(sizeof(xml_node_struct), page);
-
-		return new (memory) xml_node_struct(page, type);
-	}
-
-	inline void destroy_attribute(xml_attribute_struct* a, xml_allocator& alloc)
-	{
-		uintptr_t header = a->header;
-
-		if (header & impl::xml_memory_page_name_allocated_mask) alloc.deallocate_string(a->name);
-		if (header & impl::xml_memory_page_value_allocated_mask) alloc.deallocate_string(a->value);
-
-		alloc.deallocate_memory(a, sizeof(xml_attribute_struct), reinterpret_cast<xml_memory_page*>(header & xml_memory_page_pointer_mask));
-	}
-
-	inline void destroy_node(xml_node_struct* n, xml_allocator& alloc)
-	{
-		uintptr_t header = n->header;
-
-		if (header & impl::xml_memory_page_name_allocated_mask) alloc.deallocate_string(n->name);
-		if (header & impl::xml_memory_page_value_allocated_mask) alloc.deallocate_string(n->value);
-
-		for (xml_attribute_struct* attr = n->first_attribute; attr; )
-		{
-			xml_attribute_struct* next = attr->next_attribute;
-
-			destroy_attribute(attr, alloc);
-
-			attr = next;
-		}
-
-		for (xml_node_struct* child = n->first_child; child; )
-		{
-			xml_node_struct* next = child->next_sibling;
-
-			destroy_node(child, alloc);
-
-			child = next;
-		}
-
-		alloc.deallocate_memory(n, sizeof(xml_node_struct), reinterpret_cast<xml_memory_page*>(header & xml_memory_page_pointer_mask));
-	}
-
-	PUGI__FN_NO_INLINE xml_node_struct* append_node(xml_node_struct* node, xml_allocator& alloc, xml_node_type type = node_element)
-	{
-		xml_node_struct* child = allocate_node(alloc, type);
-		if (!child) return 0;
-
-		child->parent = node;
-
-		xml_node_struct* first_child = node->first_child;
-			
-		if (first_child)
-		{
-			xml_node_struct* last_child = first_child->prev_sibling_c;
-
-			last_child->next_sibling = child;
-			child->prev_sibling_c = last_child;
-			first_child->prev_sibling_c = child;
-		}
-		else
-		{
-			node->first_child = child;
-			child->prev_sibling_c = child;
-		}
-			
-		return child;
-	}
-
-	PUGI__FN_NO_INLINE xml_attribute_struct* append_attribute_ll(xml_node_struct* node, xml_allocator& alloc)
-	{
-		xml_attribute_struct* a = allocate_attribute(alloc);
-		if (!a) return 0;
-
-		xml_attribute_struct* first_attribute = node->first_attribute;
-
-		if (first_attribute)
-		{
-			xml_attribute_struct* last_attribute = first_attribute->prev_attribute_c;
-
-			last_attribute->next_attribute = a;
-			a->prev_attribute_c = last_attribute;
-			first_attribute->prev_attribute_c = a;
-		}
-		else
-		{
-			node->first_attribute = a;
-			a->prev_attribute_c = a;
-		}
-			
-		return a;
-	}
-PUGI__NS_END
-
-// Helper classes for code generation
-PUGI__NS_BEGIN
-	struct opt_false
-	{
-		enum { value = 0 };
-	};
-
-	struct opt_true
-	{
-		enum { value = 1 };
-	};
-PUGI__NS_END
-
-// Unicode utilities
-PUGI__NS_BEGIN
-	inline uint16_t endian_swap(uint16_t value)
-	{
-		return static_cast<uint16_t>(((value & 0xff) << 8) | (value >> 8));
-	}
-
-	inline uint32_t endian_swap(uint32_t value)
-	{
-		return ((value & 0xff) << 24) | ((value & 0xff00) << 8) | ((value & 0xff0000) >> 8) | (value >> 24);
-	}
-
-	struct utf8_counter
-	{
-		typedef size_t value_type;
-
-		static value_type low(value_type result, uint32_t ch)
-		{
-			// U+0000..U+007F
-			if (ch < 0x80) return result + 1;
-			// U+0080..U+07FF
-			else if (ch < 0x800) return result + 2;
-			// U+0800..U+FFFF
-			else return result + 3;
-		}
-
-		static value_type high(value_type result, uint32_t)
-		{
-			// U+10000..U+10FFFF
-			return result + 4;
-		}
-	};
-
-	struct utf8_writer
-	{
-		typedef uint8_t* value_type;
-
-		static value_type low(value_type result, uint32_t ch)
-		{
-			// U+0000..U+007F
-			if (ch < 0x80)
-			{
-				*result = static_cast<uint8_t>(ch);
-				return result + 1;
-			}
-			// U+0080..U+07FF
-			else if (ch < 0x800)
-			{
-				result[0] = static_cast<uint8_t>(0xC0 | (ch >> 6));
-				result[1] = static_cast<uint8_t>(0x80 | (ch & 0x3F));
-				return result + 2;
-			}
-			// U+0800..U+FFFF
-			else
-			{
-				result[0] = static_cast<uint8_t>(0xE0 | (ch >> 12));
-				result[1] = static_cast<uint8_t>(0x80 | ((ch >> 6) & 0x3F));
-				result[2] = static_cast<uint8_t>(0x80 | (ch & 0x3F));
-				return result + 3;
-			}
-		}
-
-		static value_type high(value_type result, uint32_t ch)
-		{
-			// U+10000..U+10FFFF
-			result[0] = static_cast<uint8_t>(0xF0 | (ch >> 18));
-			result[1] = static_cast<uint8_t>(0x80 | ((ch >> 12) & 0x3F));
-			result[2] = static_cast<uint8_t>(0x80 | ((ch >> 6) & 0x3F));
-			result[3] = static_cast<uint8_t>(0x80 | (ch & 0x3F));
-			return result + 4;
-		}
-
-		static value_type any(value_type result, uint32_t ch)
-		{
-			return (ch < 0x10000) ? low(result, ch) : high(result, ch);
-		}
-	};
-
-	struct utf16_counter
-	{
-		typedef size_t value_type;
-
-		static value_type low(value_type result, uint32_t)
-		{
-			return result + 1;
-		}
-
-		static value_type high(value_type result, uint32_t)
-		{
-			return result + 2;
-		}
-	};
-
-	struct utf16_writer
-	{
-		typedef uint16_t* value_type;
-
-		static value_type low(value_type result, uint32_t ch)
-		{
-			*result = static_cast<uint16_t>(ch);
-
-			return result + 1;
-		}
-
-		static value_type high(value_type result, uint32_t ch)
-		{
-			uint32_t msh = static_cast<uint32_t>(ch - 0x10000) >> 10;
-			uint32_t lsh = static_cast<uint32_t>(ch - 0x10000) & 0x3ff;
-
-			result[0] = static_cast<uint16_t>(0xD800 + msh);
-			result[1] = static_cast<uint16_t>(0xDC00 + lsh);
-
-			return result + 2;
-		}
-
-		static value_type any(value_type result, uint32_t ch)
-		{
-			return (ch < 0x10000) ? low(result, ch) : high(result, ch);
-		}
-	};
-
-	struct utf32_counter
-	{
-		typedef size_t value_type;
-
-		static value_type low(value_type result, uint32_t)
-		{
-			return result + 1;
-		}
-
-		static value_type high(value_type result, uint32_t)
-		{
-			return result + 1;
-		}
-	};
-
-	struct utf32_writer
-	{
-		typedef uint32_t* value_type;
-
-		static value_type low(value_type result, uint32_t ch)
-		{
-			*result = ch;
-
-			return result + 1;
-		}
-
-		static value_type high(value_type result, uint32_t ch)
-		{
-			*result = ch;
-
-			return result + 1;
-		}
-
-		static value_type any(value_type result, uint32_t ch)
-		{
-			*result = ch;
-
-			return result + 1;
-		}
-	};
-
-	struct latin1_writer
-	{
-		typedef uint8_t* value_type;
-
-		static value_type low(value_type result, uint32_t ch)
-		{
-			*result = static_cast<uint8_t>(ch > 255 ? '?' : ch);
-
-			return result + 1;
-		}
-
-		static value_type high(value_type result, uint32_t ch)
-		{
-			(void)ch;
-
-			*result = '?';
-
-			return result + 1;
-		}
-	};
-
-	template <size_t size> struct wchar_selector;
-
-	template <> struct wchar_selector<2>
-	{
-		typedef uint16_t type;
-		typedef utf16_counter counter;
-		typedef utf16_writer writer;
-	};
-
-	template <> struct wchar_selector<4>
-	{
-		typedef uint32_t type;
-		typedef utf32_counter counter;
-		typedef utf32_writer writer;
-	};
-
-	typedef wchar_selector<sizeof(wchar_t)>::counter wchar_counter;
-	typedef wchar_selector<sizeof(wchar_t)>::writer wchar_writer;
-
-	template <typename Traits, typename opt_swap = opt_false> struct utf_decoder
-	{
-		static inline typename Traits::value_type decode_utf8_block(const uint8_t* data, size_t size, typename Traits::value_type result)
-		{
-			const uint8_t utf8_byte_mask = 0x3f;
-
-			while (size)
-			{
-				uint8_t lead = *data;
-
-				// 0xxxxxxx -> U+0000..U+007F
-				if (lead < 0x80)
-				{
-					result = Traits::low(result, lead);
-					data += 1;
-					size -= 1;
-
-					// process aligned single-byte (ascii) blocks
-					if ((reinterpret_cast<uintptr_t>(data) & 3) == 0)
-					{
-						// round-trip through void* to silence 'cast increases required alignment of target type' warnings
-						while (size >= 4 && (*static_cast<const uint32_t*>(static_cast<const void*>(data)) & 0x80808080) == 0)
-						{
-							result = Traits::low(result, data[0]);
-							result = Traits::low(result, data[1]);
-							result = Traits::low(result, data[2]);
-							result = Traits::low(result, data[3]);
-							data += 4;
-							size -= 4;
-						}
-					}
-				}
-				// 110xxxxx -> U+0080..U+07FF
-				else if (static_cast<unsigned int>(lead - 0xC0) < 0x20 && size >= 2 && (data[1] & 0xc0) == 0x80)
-				{
-					result = Traits::low(result, ((lead & ~0xC0) << 6) | (data[1] & utf8_byte_mask));
-					data += 2;
-					size -= 2;
-				}
-				// 1110xxxx -> U+0800-U+FFFF
-				else if (static_cast<unsigned int>(lead - 0xE0) < 0x10 && size >= 3 && (data[1] & 0xc0) == 0x80 && (data[2] & 0xc0) == 0x80)
-				{
-					result = Traits::low(result, ((lead & ~0xE0) << 12) | ((data[1] & utf8_byte_mask) << 6) | (data[2] & utf8_byte_mask));
-					data += 3;
-					size -= 3;
-				}
-				// 11110xxx -> U+10000..U+10FFFF
-				else if (static_cast<unsigned int>(lead - 0xF0) < 0x08 && size >= 4 && (data[1] & 0xc0) == 0x80 && (data[2] & 0xc0) == 0x80 && (data[3] & 0xc0) == 0x80)
-				{
-					result = Traits::high(result, ((lead & ~0xF0) << 18) | ((data[1] & utf8_byte_mask) << 12) | ((data[2] & utf8_byte_mask) << 6) | (data[3] & utf8_byte_mask));
-					data += 4;
-					size -= 4;
-				}
-				// 10xxxxxx or 11111xxx -> invalid
-				else
-				{
-					data += 1;
-					size -= 1;
-				}
-			}
-
-			return result;
-		}
-
-		static inline typename Traits::value_type decode_utf16_block(const uint16_t* data, size_t size, typename Traits::value_type result)
-		{
-			const uint16_t* end = data + size;
-
-			while (data < end)
-			{
-				uint16_t lead = opt_swap::value ? endian_swap(*data) : *data;
-
-				// U+0000..U+D7FF
-				if (lead < 0xD800)
-				{
-					result = Traits::low(result, lead);
-					data += 1;
-				}
-				// U+E000..U+FFFF
-				else if (static_cast<unsigned int>(lead - 0xE000) < 0x2000)
-				{
-					result = Traits::low(result, lead);
-					data += 1;
-				}
-				// surrogate pair lead
-				else if (static_cast<unsigned int>(lead - 0xD800) < 0x400 && data + 1 < end)
-				{
-					uint16_t next = opt_swap::value ? endian_swap(data[1]) : data[1];
-
-					if (static_cast<unsigned int>(next - 0xDC00) < 0x400)
-					{
-						result = Traits::high(result, 0x10000 + ((lead & 0x3ff) << 10) + (next & 0x3ff));
-						data += 2;
-					}
-					else
-					{
-						data += 1;
-					}
-				}
-				else
-				{
-					data += 1;
-				}
-			}
-
-			return result;
-		}
-
-		static inline typename Traits::value_type decode_utf32_block(const uint32_t* data, size_t size, typename Traits::value_type result)
-		{
-			const uint32_t* end = data + size;
-
-			while (data < end)
-			{
-				uint32_t lead = opt_swap::value ? endian_swap(*data) : *data;
-
-				// U+0000..U+FFFF
-				if (lead < 0x10000)
-				{
-					result = Traits::low(result, lead);
-					data += 1;
-				}
-				// U+10000..U+10FFFF
-				else
-				{
-					result = Traits::high(result, lead);
-					data += 1;
-				}
-			}
-
-			return result;
-		}
-
-		static inline typename Traits::value_type decode_latin1_block(const uint8_t* data, size_t size, typename Traits::value_type result)
-		{
-			for (size_t i = 0; i < size; ++i)
-			{
-				result = Traits::low(result, data[i]);
-			}
-
-			return result;
-		}
-
-		static inline typename Traits::value_type decode_wchar_block_impl(const uint16_t* data, size_t size, typename Traits::value_type result)
-		{
-			return decode_utf16_block(data, size, result);
-		}
-
-		static inline typename Traits::value_type decode_wchar_block_impl(const uint32_t* data, size_t size, typename Traits::value_type result)
-		{
-			return decode_utf32_block(data, size, result);
-		}
-
-		static inline typename Traits::value_type decode_wchar_block(const wchar_t* data, size_t size, typename Traits::value_type result)
-		{
-			return decode_wchar_block_impl(reinterpret_cast<const wchar_selector<sizeof(wchar_t)>::type*>(data), size, result);
-		}
-	};
-
-	template <typename T> PUGI__FN void convert_utf_endian_swap(T* result, const T* data, size_t length)
-	{
-		for (size_t i = 0; i < length; ++i) result[i] = endian_swap(data[i]);
-	}
-
-#ifdef PUGIXML_WCHAR_MODE
-	PUGI__FN void convert_wchar_endian_swap(wchar_t* result, const wchar_t* data, size_t length)
-	{
-		for (size_t i = 0; i < length; ++i) result[i] = static_cast<wchar_t>(endian_swap(static_cast<wchar_selector<sizeof(wchar_t)>::type>(data[i])));
-	}
-#endif
-PUGI__NS_END
-
-PUGI__NS_BEGIN
-	enum chartype_t
-	{
-		ct_parse_pcdata = 1,	// \0, &, \r, <
-		ct_parse_attr = 2,		// \0, &, \r, ', "
-		ct_parse_attr_ws = 4,	// \0, &, \r, ', ", \n, tab
-		ct_space = 8,			// \r, \n, space, tab
-		ct_parse_cdata = 16,	// \0, ], >, \r
-		ct_parse_comment = 32,	// \0, -, >, \r
-		ct_symbol = 64,			// Any symbol > 127, a-z, A-Z, 0-9, _, :, -, .
-		ct_start_symbol = 128	// Any symbol > 127, a-z, A-Z, _, :
-	};
-
-	static const unsigned char chartype_table[256] =
-	{
-		55,  0,   0,   0,   0,   0,   0,   0,      0,   12,  12,  0,   0,   63,  0,   0,   // 0-15
-		0,   0,   0,   0,   0,   0,   0,   0,      0,   0,   0,   0,   0,   0,   0,   0,   // 16-31
-		8,   0,   6,   0,   0,   0,   7,   6,      0,   0,   0,   0,   0,   96,  64,  0,   // 32-47
-		64,  64,  64,  64,  64,  64,  64,  64,     64,  64,  192, 0,   1,   0,   48,  0,   // 48-63
-		0,   192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 192, 192, 192, 192, 192, // 64-79
-		192, 192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 0,   0,   16,  0,   192, // 80-95
-		0,   192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 192, 192, 192, 192, 192, // 96-111
-		192, 192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 0, 0, 0, 0, 0,           // 112-127
-
-		192, 192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 192, 192, 192, 192, 192, // 128+
-		192, 192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 192, 192, 192, 192, 192,
-		192, 192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 192, 192, 192, 192, 192,
-		192, 192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 192, 192, 192, 192, 192,
-		192, 192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 192, 192, 192, 192, 192,
-		192, 192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 192, 192, 192, 192, 192,
-		192, 192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 192, 192, 192, 192, 192,
-		192, 192, 192, 192, 192, 192, 192, 192,    192, 192, 192, 192, 192, 192, 192, 192
-	};
-
-	enum chartypex_t
-	{
-		ctx_special_pcdata = 1,   // Any symbol >= 0 and < 32 (except \t, \r, \n), &, <, >
-		ctx_special_attr = 2,     // Any symbol >= 0 and < 32 (except \t), &, <, >, "
-		ctx_start_symbol = 4,	  // Any symbol > 127, a-z, A-Z, _
-		ctx_digit = 8,			  // 0-9
-		ctx_symbol = 16			  // Any symbol > 127, a-z, A-Z, 0-9, _, -, .
-	};
-	
-	static const unsigned char chartypex_table[256] =
-	{
-		3,  3,  3,  3,  3,  3,  3,  3,     3,  0,  2,  3,  3,  2,  3,  3,     // 0-15
-		3,  3,  3,  3,  3,  3,  3,  3,     3,  3,  3,  3,  3,  3,  3,  3,     // 16-31
-		0,  0,  2,  0,  0,  0,  3,  0,     0,  0,  0,  0,  0, 16, 16,  0,     // 32-47
-		24, 24, 24, 24, 24, 24, 24, 24,    24, 24, 0,  0,  3,  0,  3,  0,     // 48-63
-
-		0,  20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 20, 20, 20, 20, 20,    // 64-79
-		20, 20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 0,  0,  0,  0,  20,    // 80-95
-		0,  20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 20, 20, 20, 20, 20,    // 96-111
-		20, 20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 0,  0,  0,  0,  0,     // 112-127
-
-		20, 20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 20, 20, 20, 20, 20,    // 128+
-		20, 20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 20, 20, 20, 20, 20,
-		20, 20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 20, 20, 20, 20, 20,
-		20, 20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 20, 20, 20, 20, 20,
-		20, 20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 20, 20, 20, 20, 20,
-		20, 20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 20, 20, 20, 20, 20,
-		20, 20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 20, 20, 20, 20, 20,
-		20, 20, 20, 20, 20, 20, 20, 20,    20, 20, 20, 20, 20, 20, 20, 20
-	};
-	
-#ifdef PUGIXML_WCHAR_MODE
-	#define PUGI__IS_CHARTYPE_IMPL(c, ct, table) ((static_cast<unsigned int>(c) < 128 ? table[static_cast<unsigned int>(c)] : table[128]) & (ct))
-#else
-	#define PUGI__IS_CHARTYPE_IMPL(c, ct, table) (table[static_cast<unsigned char>(c)] & (ct))
-#endif
-
-	#define PUGI__IS_CHARTYPE(c, ct) PUGI__IS_CHARTYPE_IMPL(c, ct, chartype_table)
-	#define PUGI__IS_CHARTYPEX(c, ct) PUGI__IS_CHARTYPE_IMPL(c, ct, chartypex_table)
-
-	PUGI__FN bool is_little_endian()
-	{
-		unsigned int ui = 1;
-
-		return *reinterpret_cast<unsigned char*>(&ui) == 1;
-	}
-
-	PUGI__FN xml_encoding get_wchar_encoding()
-	{
-		PUGI__STATIC_ASSERT(sizeof(wchar_t) == 2 || sizeof(wchar_t) == 4);
-
-		if (sizeof(wchar_t) == 2)
-			return is_little_endian() ? encoding_utf16_le : encoding_utf16_be;
-		else 
-			return is_little_endian() ? encoding_utf32_le : encoding_utf32_be;
-	}
-
-	PUGI__FN xml_encoding guess_buffer_encoding(uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
-	{
-		// look for BOM in first few bytes
-		if (d0 == 0 && d1 == 0 && d2 == 0xfe && d3 == 0xff) return encoding_utf32_be;
-		if (d0 == 0xff && d1 == 0xfe && d2 == 0 && d3 == 0) return encoding_utf32_le;
-		if (d0 == 0xfe && d1 == 0xff) return encoding_utf16_be;
-		if (d0 == 0xff && d1 == 0xfe) return encoding_utf16_le;
-		if (d0 == 0xef && d1 == 0xbb && d2 == 0xbf) return encoding_utf8;
-
-		// look for <, <? or <?xm in various encodings
-		if (d0 == 0 && d1 == 0 && d2 == 0 && d3 == 0x3c) return encoding_utf32_be;
-		if (d0 == 0x3c && d1 == 0 && d2 == 0 && d3 == 0) return encoding_utf32_le;
-		if (d0 == 0 && d1 == 0x3c && d2 == 0 && d3 == 0x3f) return encoding_utf16_be;
-		if (d0 == 0x3c && d1 == 0 && d2 == 0x3f && d3 == 0) return encoding_utf16_le;
-		if (d0 == 0x3c && d1 == 0x3f && d2 == 0x78 && d3 == 0x6d) return encoding_utf8;
-
-		// look for utf16 < followed by node name (this may fail, but is better than utf8 since it's zero terminated so early)
-		if (d0 == 0 && d1 == 0x3c) return encoding_utf16_be;
-		if (d0 == 0x3c && d1 == 0) return encoding_utf16_le;
-
-		// no known BOM detected, assume utf8
-		return encoding_utf8;
-	}
-
-	PUGI__FN xml_encoding get_buffer_encoding(xml_encoding encoding, const void* contents, size_t size)
-	{
-		// replace wchar encoding with utf implementation
-		if (encoding == encoding_wchar) return get_wchar_encoding();
-
-		// replace utf16 encoding with utf16 with specific endianness
-		if (encoding == encoding_utf16) return is_little_endian() ? encoding_utf16_le : encoding_utf16_be;
-
-		// replace utf32 encoding with utf32 with specific endianness
-		if (encoding == encoding_utf32) return is_little_endian() ? encoding_utf32_le : encoding_utf32_be;
-
-		// only do autodetection if no explicit encoding is requested
-		if (encoding != encoding_auto) return encoding;
-
-		// skip encoding autodetection if input buffer is too small
-		if (size < 4) return encoding_utf8;
-
-		// try to guess encoding (based on XML specification, Appendix F.1)
-		const uint8_t* data = static_cast<const uint8_t*>(contents);
-
-		PUGI__DMC_VOLATILE uint8_t d0 = data[0], d1 = data[1], d2 = data[2], d3 = data[3];
-
-		return guess_buffer_encoding(d0, d1, d2, d3);
-	}
-
-	PUGI__FN bool get_mutable_buffer(char_t*& out_buffer, size_t& out_length, const void* contents, size_t size, bool is_mutable)
-	{
-		if (is_mutable)
-		{
-			out_buffer = static_cast<char_t*>(const_cast<void*>(contents));
-		}
-		else
-		{
-			void* buffer = xml_memory::allocate(size > 0 ? size : 1);
-			if (!buffer) return false;
-
-			memcpy(buffer, contents, size);
-
-			out_buffer = static_cast<char_t*>(buffer);
-		}
-
-		out_length = size / sizeof(char_t);
-
-		return true;
-	}
-
-#ifdef PUGIXML_WCHAR_MODE
-	PUGI__FN bool need_endian_swap_utf(xml_encoding le, xml_encoding re)
-	{
-		return (le == encoding_utf16_be && re == encoding_utf16_le) || (le == encoding_utf16_le && re == encoding_utf16_be) ||
-			   (le == encoding_utf32_be && re == encoding_utf32_le) || (le == encoding_utf32_le && re == encoding_utf32_be);
-	}
-
-	PUGI__FN bool convert_buffer_endian_swap(char_t*& out_buffer, size_t& out_length, const void* contents, size_t size, bool is_mutable)
-	{
-		const char_t* data = static_cast<const char_t*>(contents);
-	
-		if (is_mutable)
-		{
-			out_buffer = const_cast<char_t*>(data);
-		}
-		else
-		{
-			out_buffer = static_cast<char_t*>(xml_memory::allocate(size > 0 ? size : 1));
-			if (!out_buffer) return false;
-		}
-
-		out_length = size / sizeof(char_t);
-
-		convert_wchar_endian_swap(out_buffer, data, out_length);
-
-		return true;
-	}
-
-	PUGI__FN bool convert_buffer_utf8(char_t*& out_buffer, size_t& out_length, const void* contents, size_t size)
-	{
-		const uint8_t* data = static_cast<const uint8_t*>(contents);
-
-		// first pass: get length in wchar_t units
-		out_length = utf_decoder<wchar_counter>::decode_utf8_block(data, size, 0);
-
-		// allocate buffer of suitable length
-		out_buffer = static_cast<char_t*>(xml_memory::allocate((out_length > 0 ? out_length : 1) * sizeof(char_t)));
-		if (!out_buffer) return false;
-
-		// second pass: convert utf8 input to wchar_t
-		wchar_writer::value_type out_begin = reinterpret_cast<wchar_writer::value_type>(out_buffer);
-		wchar_writer::value_type out_end = utf_decoder<wchar_writer>::decode_utf8_block(data, size, out_begin);
-
-		assert(out_end == out_begin + out_length);
-		(void)!out_end;
-
-		return true;
-	}
-
-	template <typename opt_swap> PUGI__FN bool convert_buffer_utf16(char_t*& out_buffer, size_t& out_length, const void* contents, size_t size, opt_swap)
-	{
-		const uint16_t* data = static_cast<const uint16_t*>(contents);
-		size_t length = size / sizeof(uint16_t);
-
-		// first pass: get length in wchar_t units
-		out_length = utf_decoder<wchar_counter, opt_swap>::decode_utf16_block(data, length, 0);
-
-		// allocate buffer of suitable length
-		out_buffer = static_cast<char_t*>(xml_memory::allocate((out_length > 0 ? out_length : 1) * sizeof(char_t)));
-		if (!out_buffer) return false;
-
-		// second pass: convert utf16 input to wchar_t
-		wchar_writer::value_type out_begin = reinterpret_cast<wchar_writer::value_type>(out_buffer);
-		wchar_writer::value_type out_end = utf_decoder<wchar_writer, opt_swap>::decode_utf16_block(data, length, out_begin);
-
-		assert(out_end == out_begin + out_length);
-		(void)!out_end;
-
-		return true;
-	}
-
-	template <typename opt_swap> PUGI__FN bool convert_buffer_utf32(char_t*& out_buffer, size_t& out_length, const void* contents, size_t size, opt_swap)
-	{
-		const uint32_t* data = static_cast<const uint32_t*>(contents);
-		size_t length = size / sizeof(uint32_t);
-
-		// first pass: get length in wchar_t units
-		out_length = utf_decoder<wchar_counter, opt_swap>::decode_utf32_block(data, length, 0);
-
-		// allocate buffer of suitable length
-		out_buffer = static_cast<char_t*>(xml_memory::allocate((out_length > 0 ? out_length : 1) * sizeof(char_t)));
-		if (!out_buffer) return false;
-
-		// second pass: convert utf32 input to wchar_t
-		wchar_writer::value_type out_begin = reinterpret_cast<wchar_writer::value_type>(out_buffer);
-		wchar_writer::value_type out_end = utf_decoder<wchar_writer, opt_swap>::decode_utf32_block(data, length, out_begin);
-
-		assert(out_end == out_begin + out_length);
-		(void)!out_end;
-
-		return true;
-	}
-
-	PUGI__FN bool convert_buffer_latin1(char_t*& out_buffer, size_t& out_length, const void* contents, size_t size)
-	{
-		const uint8_t* data = static_cast<const uint8_t*>(contents);
-
-		// get length in wchar_t units
-		out_length = size;
-
-		// allocate buffer of suitable length
-		out_buffer = static_cast<char_t*>(xml_memory::allocate((out_length > 0 ? out_length : 1) * sizeof(char_t)));
-		if (!out_buffer) return false;
-
-		// convert latin1 input to wchar_t
-		wchar_writer::value_type out_begin = reinterpret_cast<wchar_writer::value_type>(out_buffer);
-		wchar_writer::value_type out_end = utf_decoder<wchar_writer>::decode_latin1_block(data, size, out_begin);
-
-		assert(out_end == out_begin + out_length);
-		(void)!out_end;
-
-		return true;
-	}
-
-	PUGI__FN bool convert_buffer(char_t*& out_buffer, size_t& out_length, xml_encoding encoding, const void* contents, size_t size, bool is_mutable)
-	{
-		// get native encoding
-		xml_encoding wchar_encoding = get_wchar_encoding();
-
-		// fast path: no conversion required
-		if (encoding == wchar_encoding) return get_mutable_buffer(out_buffer, out_length, contents, size, is_mutable);
-
-		// only endian-swapping is required
-		if (need_endian_swap_utf(encoding, wchar_encoding)) return convert_buffer_endian_swap(out_buffer, out_length, contents, size, is_mutable);
-
-		// source encoding is utf8
-		if (encoding == encoding_utf8) return convert_buffer_utf8(out_buffer, out_length, contents, size);
-
-		// source encoding is utf16
-		if (encoding == encoding_utf16_be || encoding == encoding_utf16_le)
-		{
-			xml_encoding native_encoding = is_little_endian() ? encoding_utf16_le : encoding_utf16_be;
-
-			return (native_encoding == encoding) ?
-				convert_buffer_utf16(out_buffer, out_length, contents, size, opt_false()) :
-				convert_buffer_utf16(out_buffer, out_length, contents, size, opt_true());
-		}
-
-		// source encoding is utf32
-		if (encoding == encoding_utf32_be || encoding == encoding_utf32_le)
-		{
-			xml_encoding native_encoding = is_little_endian() ? encoding_utf32_le : encoding_utf32_be;
-
-			return (native_encoding == encoding) ?
-				convert_buffer_utf32(out_buffer, out_length, contents, size, opt_false()) :
-				convert_buffer_utf32(out_buffer, out_length, contents, size, opt_true());
-		}
-
-		// source encoding is latin1
-		if (encoding == encoding_latin1) return convert_buffer_latin1(out_buffer, out_length, contents, size);
-
-		assert(!"Invalid encoding");
-		return false;
-	}
-#else
-	template <typename opt_swap> PUGI__FN bool convert_buffer_utf16(char_t*& out_buffer, size_t& out_length, const void* contents, size_t size, opt_swap)
-	{
-		const uint16_t* data = static_cast<const uint16_t*>(contents);
-		size_t length = size / sizeof(uint16_t);
-
-		// first pass: get length in utf8 units
-		out_length = utf_decoder<utf8_counter, opt_swap>::decode_utf16_block(data, length, 0);
-
-		// allocate buffer of suitable length
-		out_buffer = static_cast<char_t*>(xml_memory::allocate((out_length > 0 ? out_length : 1) * sizeof(char_t)));
-		if (!out_buffer) return false;
-
-		// second pass: convert utf16 input to utf8
-		uint8_t* out_begin = reinterpret_cast<uint8_t*>(out_buffer);
-		uint8_t* out_end = utf_decoder<utf8_writer, opt_swap>::decode_utf16_block(data, length, out_begin);
-
-		assert(out_end == out_begin + out_length);
-		(void)!out_end;
-
-		return true;
-	}
-
-	template <typename opt_swap> PUGI__FN bool convert_buffer_utf32(char_t*& out_buffer, size_t& out_length, const void* contents, size_t size, opt_swap)
-	{
-		const uint32_t* data = static_cast<const uint32_t*>(contents);
-		size_t length = size / sizeof(uint32_t);
-
-		// first pass: get length in utf8 units
-		out_length = utf_decoder<utf8_counter, opt_swap>::decode_utf32_block(data, length, 0);
-
-		// allocate buffer of suitable length
-		out_buffer = static_cast<char_t*>(xml_memory::allocate((out_length > 0 ? out_length : 1) * sizeof(char_t)));
-		if (!out_buffer) return false;
-
-		// second pass: convert utf32 input to utf8
-		uint8_t* out_begin = reinterpret_cast<uint8_t*>(out_buffer);
-		uint8_t* out_end = utf_decoder<utf8_writer, opt_swap>::decode_utf32_block(data, length, out_begin);
-
-		assert(out_end == out_begin + out_length);
-		(void)!out_end;
-
-		return true;
-	}
-
-	PUGI__FN size_t get_latin1_7bit_prefix_length(const uint8_t* data, size_t size)
-	{
-		for (size_t i = 0; i < size; ++i)
-			if (data[i] > 127)
-				return i;
-
-		return size;
-	}
-
-	PUGI__FN bool convert_buffer_latin1(char_t*& out_buffer, size_t& out_length, const void* contents, size_t size, bool is_mutable)
-	{
-		const uint8_t* data = static_cast<const uint8_t*>(contents);
-
-		// get size of prefix that does not need utf8 conversion
-		size_t prefix_length = get_latin1_7bit_prefix_length(data, size);
-		assert(prefix_length <= size);
-
-		const uint8_t* postfix = data + prefix_length;
-		size_t postfix_length = size - prefix_length;
-
-		// if no conversion is needed, just return the original buffer
-		if (postfix_length == 0) return get_mutable_buffer(out_buffer, out_length, contents, size, is_mutable);
-
-		// first pass: get length in utf8 units
-		out_length = prefix_length + utf_decoder<utf8_counter>::decode_latin1_block(postfix, postfix_length, 0);
-
-		// allocate buffer of suitable length
-		out_buffer = static_cast<char_t*>(xml_memory::allocate((out_length > 0 ? out_length : 1) * sizeof(char_t)));
-		if (!out_buffer) return false;
-
-		// second pass: convert latin1 input to utf8
-		memcpy(out_buffer, data, prefix_length);
-
-		uint8_t* out_begin = reinterpret_cast<uint8_t*>(out_buffer);
-		uint8_t* out_end = utf_decoder<utf8_writer>::decode_latin1_block(postfix, postfix_length, out_begin + prefix_length);
-
-		assert(out_end == out_begin + out_length);
-		(void)!out_end;
-
-		return true;
-	}
-
-	PUGI__FN bool convert_buffer(char_t*& out_buffer, size_t& out_length, xml_encoding encoding, const void* contents, size_t size, bool is_mutable)
-	{
-		// fast path: no conversion required
-		if (encoding == encoding_utf8) return get_mutable_buffer(out_buffer, out_length, contents, size, is_mutable);
-
-		// source encoding is utf16
-		if (encoding == encoding_utf16_be || encoding == encoding_utf16_le)
-		{
-			xml_encoding native_encoding = is_little_endian() ? encoding_utf16_le : encoding_utf16_be;
-
-			return (native_encoding == encoding) ?
-				convert_buffer_utf16(out_buffer, out_length, contents, size, opt_false()) :
-				convert_buffer_utf16(out_buffer, out_length, contents, size, opt_true());
-		}
-
-		// source encoding is utf32
-		if (encoding == encoding_utf32_be || encoding == encoding_utf32_le)
-		{
-			xml_encoding native_encoding = is_little_endian() ? encoding_utf32_le : encoding_utf32_be;
-
-			return (native_encoding == encoding) ?
-				convert_buffer_utf32(out_buffer, out_length, contents, size, opt_false()) :
-				convert_buffer_utf32(out_buffer, out_length, contents, size, opt_true());
-		}
-
-		// source encoding is latin1
-		if (encoding == encoding_latin1) return convert_buffer_latin1(out_buffer, out_length, contents, size, is_mutable);
-
-		assert(!"Invalid encoding");
-		return false;
-	}
-#endif
-
-	PUGI__FN size_t as_utf8_begin(const wchar_t* str, size_t length)
-	{
-		// get length in utf8 characters
-		return utf_decoder<utf8_counter>::decode_wchar_block(str, length, 0);
-	}
-
-	PUGI__FN void as_utf8_end(char* buffer, size_t size, const wchar_t* str, size_t length)
-	{
-		// convert to utf8
-		uint8_t* begin = reinterpret_cast<uint8_t*>(buffer);
-		uint8_t* end = utf_decoder<utf8_writer>::decode_wchar_block(str, length, begin);
-	
-		assert(begin + size == end);
-		(void)!end;
-
-		// zero-terminate
-		buffer[size] = 0;
-	}
-	
-#ifndef PUGIXML_NO_STL
-	PUGI__FN std::string as_utf8_impl(const wchar_t* str, size_t length)
-	{
-		// first pass: get length in utf8 characters
-		size_t size = as_utf8_begin(str, length);
-
-		// allocate resulting string
-		std::string result;
-		result.resize(size);
-
-		// second pass: convert to utf8
-		if (size > 0) as_utf8_end(&result[0], size, str, length);
-
-		return result;
-	}
-
-	PUGI__FN std::basic_string<wchar_t> as_wide_impl(const char* str, size_t size)
-	{
-		const uint8_t* data = reinterpret_cast<const uint8_t*>(str);
-
-		// first pass: get length in wchar_t units
-		size_t length = utf_decoder<wchar_counter>::decode_utf8_block(data, size, 0);
-
-		// allocate resulting string
-		std::basic_string<wchar_t> result;
-		result.resize(length);
-
-		// second pass: convert to wchar_t
-		if (length > 0)
-		{
-			wchar_writer::value_type begin = reinterpret_cast<wchar_writer::value_type>(&result[0]);
-			wchar_writer::value_type end = utf_decoder<wchar_writer>::decode_utf8_block(data, size, begin);
-
-			assert(begin + length == end);
-			(void)!end;
-		}
-
-		return result;
-	}
-#endif
-
-	inline bool strcpy_insitu_allow(size_t length, uintptr_t allocated, char_t* target)
-	{
-		assert(target);
-		size_t target_length = strlength(target);
-
-		// always reuse document buffer memory if possible
-		if (!allocated) return target_length >= length;
-
-		// reuse heap memory if waste is not too great
-		const size_t reuse_threshold = 32;
-
-		return target_length >= length && (target_length < reuse_threshold || target_length - length < target_length / 2);
-	}
-
-	PUGI__FN bool strcpy_insitu(char_t*& dest, uintptr_t& header, uintptr_t header_mask, const char_t* source)
-	{
-		size_t source_length = strlength(source);
-
-		if (source_length == 0)
-		{
-			// empty string and null pointer are equivalent, so just deallocate old memory
-			xml_allocator* alloc = reinterpret_cast<xml_memory_page*>(header & xml_memory_page_pointer_mask)->allocator;
-
-			if (header & header_mask) alloc->deallocate_string(dest);
-			
-			// mark the string as not allocated
-			dest = 0;
-			header &= ~header_mask;
-
-			return true;
-		}
-		else if (dest && strcpy_insitu_allow(source_length, header & header_mask, dest))
-		{
-			// we can reuse old buffer, so just copy the new data (including zero terminator)
-			memcpy(dest, source, (source_length + 1) * sizeof(char_t));
-			
-			return true;
-		}
-		else
-		{
-			xml_allocator* alloc = reinterpret_cast<xml_memory_page*>(header & xml_memory_page_pointer_mask)->allocator;
-
-			// allocate new buffer
-			char_t* buf = alloc->allocate_string(source_length + 1);
-			if (!buf) return false;
-
-			// copy the string (including zero terminator)
-			memcpy(buf, source, (source_length + 1) * sizeof(char_t));
-
-			// deallocate old buffer (*after* the above to protect against overlapping memory and/or allocation failures)
-			if (header & header_mask) alloc->deallocate_string(dest);
-			
-			// the string is now allocated, so set the flag
-			dest = buf;
-			header |= header_mask;
-
-			return true;
-		}
-	}
-
-	struct gap
-	{
-		char_t* end;
-		size_t size;
-			
-		gap(): end(0), size(0)
-		{
-		}
-			
-		// Push new gap, move s count bytes further (skipping the gap).
-		// Collapse previous gap.
-		void push(char_t*& s, size_t count)
-		{
-			if (end) // there was a gap already; collapse it
-			{
-				// Move [old_gap_end, new_gap_start) to [old_gap_start, ...)
-				assert(s >= end);
-				memmove(end - size, end, reinterpret_cast<char*>(s) - reinterpret_cast<char*>(end));
-			}
-				
-			s += count; // end of current gap
-				
-			// "merge" two gaps
-			end = s;
-			size += count;
-		}
-			
-		// Collapse all gaps, return past-the-end pointer
-		char_t* flush(char_t* s)
-		{
-			if (end)
-			{
-				// Move [old_gap_end, current_pos) to [old_gap_start, ...)
-				assert(s >= end);
-				memmove(end - size, end, reinterpret_cast<char*>(s) - reinterpret_cast<char*>(end));
-
-				return s - size;
-			}
-			else return s;
-		}
-	};
-	
-	PUGI__FN char_t* strconv_escape(char_t* s, gap& g)
-	{
-		char_t* stre = s + 1;
-
-		switch (*stre)
-		{
-			case '#':	// &#...
-			{
-				unsigned int ucsc = 0;
-
-				if (stre[1] == 'x') // &#x... (hex code)
-				{
-					stre += 2;
-
-					char_t ch = *stre;
-
-					if (ch == ';') return stre;
-
-					for (;;)
-					{
-						if (static_cast<unsigned int>(ch - '0') <= 9)
-							ucsc = 16 * ucsc + (ch - '0');
-						else if (static_cast<unsigned int>((ch | ' ') - 'a') <= 5)
-							ucsc = 16 * ucsc + ((ch | ' ') - 'a' + 10);
-						else if (ch == ';')
-							break;
-						else // cancel
-							return stre;
-
-						ch = *++stre;
-					}
-					
-					++stre;
-				}
-				else	// &#... (dec code)
-				{
-					char_t ch = *++stre;
-
-					if (ch == ';') return stre;
-
-					for (;;)
-					{
-						if (static_cast<unsigned int>(ch - '0') <= 9)
-							ucsc = 10 * ucsc + (ch - '0');
-						else if (ch == ';')
-							break;
-						else // cancel
-							return stre;
-
-						ch = *++stre;
-					}
-					
-					++stre;
-				}
-
-			#ifdef PUGIXML_WCHAR_MODE
-				s = reinterpret_cast<char_t*>(wchar_writer::any(reinterpret_cast<wchar_writer::value_type>(s), ucsc));
-			#else
-				s = reinterpret_cast<char_t*>(utf8_writer::any(reinterpret_cast<uint8_t*>(s), ucsc));
-			#endif
-					
-				g.push(s, stre - s);
-				return stre;
-			}
-
-			case 'a':	// &a
-			{
-				++stre;
-
-				if (*stre == 'm') // &am
-				{
-					if (*++stre == 'p' && *++stre == ';') // &amp;
-					{
-						*s++ = '&';
-						++stre;
-							
-						g.push(s, stre - s);
-						return stre;
-					}
-				}
-				else if (*stre == 'p') // &ap
-				{
-					if (*++stre == 'o' && *++stre == 's' && *++stre == ';') // &apos;
-					{
-						*s++ = '\'';
-						++stre;
-
-						g.push(s, stre - s);
-						return stre;
-					}
-				}
-				break;
-			}
-
-			case 'g': // &g
-			{
-				if (*++stre == 't' && *++stre == ';') // &gt;
-				{
-					*s++ = '>';
-					++stre;
-					
-					g.push(s, stre - s);
-					return stre;
-				}
-				break;
-			}
-
-			case 'l': // &l
-			{
-				if (*++stre == 't' && *++stre == ';') // &lt;
-				{
-					*s++ = '<';
-					++stre;
-						
-					g.push(s, stre - s);
-					return stre;
-				}
-				break;
-			}
-
-			case 'q': // &q
-			{
-				if (*++stre == 'u' && *++stre == 'o' && *++stre == 't' && *++stre == ';') // &quot;
-				{
-					*s++ = '"';
-					++stre;
-					
-					g.push(s, stre - s);
-					return stre;
-				}
-				break;
-			}
-
-			default:
-				break;
-		}
-		
-		return stre;
-	}
-
-	// Utility macro for last character handling
-	#define ENDSWITH(c, e) ((c) == (e) || ((c) == 0 && endch == (e)))
-
-	PUGI__FN char_t* strconv_comment(char_t* s, char_t endch)
-	{
-		gap g;
-		
-		while (true)
-		{
-			while (!PUGI__IS_CHARTYPE(*s, ct_parse_comment)) ++s;
-		
-			if (*s == '\r') // Either a single 0x0d or 0x0d 0x0a pair
-			{
-				*s++ = '\n'; // replace first one with 0x0a
-				
-				if (*s == '\n') g.push(s, 1);
-			}
-			else if (s[0] == '-' && s[1] == '-' && ENDSWITH(s[2], '>')) // comment ends here
-			{
-				*g.flush(s) = 0;
-				
-				return s + (s[2] == '>' ? 3 : 2);
-			}
-			else if (*s == 0)
-			{
-				return 0;
-			}
-			else ++s;
-		}
-	}
-
-	PUGI__FN char_t* strconv_cdata(char_t* s, char_t endch)
-	{
-		gap g;
-			
-		while (true)
-		{
-			while (!PUGI__IS_CHARTYPE(*s, ct_parse_cdata)) ++s;
-			
-			if (*s == '\r') // Either a single 0x0d or 0x0d 0x0a pair
-			{
-				*s++ = '\n'; // replace first one with 0x0a
-				
-				if (*s == '\n') g.push(s, 1);
-			}
-			else if (s[0] == ']' && s[1] == ']' && ENDSWITH(s[2], '>')) // CDATA ends here
-			{
-				*g.flush(s) = 0;
-				
-				return s + 1;
-			}
-			else if (*s == 0)
-			{
-				return 0;
-			}
-			else ++s;
-		}
-	}
-	
-	typedef char_t* (*strconv_pcdata_t)(char_t*);
-		
-	template <typename opt_eol, typename opt_escape> struct strconv_pcdata_impl
-	{
-		static char_t* parse(char_t* s)
-		{
-			gap g;
-			
-			while (true)
-			{
-				while (!PUGI__IS_CHARTYPE(*s, ct_parse_pcdata)) ++s;
-					
-				if (*s == '<') // PCDATA ends here
-				{
-					*g.flush(s) = 0;
-					
-					return s + 1;
-				}
-				else if (opt_eol::value && *s == '\r') // Either a single 0x0d or 0x0d 0x0a pair
-				{
-					*s++ = '\n'; // replace first one with 0x0a
-					
-					if (*s == '\n') g.push(s, 1);
-				}
-				else if (opt_escape::value && *s == '&')
-				{
-					s = strconv_escape(s, g);
-				}
-				else if (*s == 0)
-				{
-					return s;
-				}
-				else ++s;
-			}
-		}
-	};
-	
-	PUGI__FN strconv_pcdata_t get_strconv_pcdata(unsigned int optmask)
-	{
-		PUGI__STATIC_ASSERT(parse_escapes == 0x10 && parse_eol == 0x20);
-
-		switch ((optmask >> 4) & 3) // get bitmask for flags (eol escapes)
-		{
-		case 0: return strconv_pcdata_impl<opt_false, opt_false>::parse;
-		case 1: return strconv_pcdata_impl<opt_false, opt_true>::parse;
-		case 2: return strconv_pcdata_impl<opt_true, opt_false>::parse;
-		case 3: return strconv_pcdata_impl<opt_true, opt_true>::parse;
-		default: return 0; // should not get here
-		}
-	}
-
-	typedef char_t* (*strconv_attribute_t)(char_t*, char_t);
-	
-	template <typename opt_escape> struct strconv_attribute_impl
-	{
-		static char_t* parse_wnorm(char_t* s, char_t end_quote)
-		{
-			gap g;
-
-			// trim leading whitespaces
-			if (PUGI__IS_CHARTYPE(*s, ct_space))
-			{
-				char_t* str = s;
-				
-				do ++str;
-				while (PUGI__IS_CHARTYPE(*str, ct_space));
-				
-				g.push(s, str - s);
-			}
-
-			while (true)
-			{
-				while (!PUGI__IS_CHARTYPE(*s, ct_parse_attr_ws | ct_space)) ++s;
-				
-				if (*s == end_quote)
-				{
-					char_t* str = g.flush(s);
-					
-					do *str-- = 0;
-					while (PUGI__IS_CHARTYPE(*str, ct_space));
-				
-					return s + 1;
-				}
-				else if (PUGI__IS_CHARTYPE(*s, ct_space))
-				{
-					*s++ = ' ';
-		
-					if (PUGI__IS_CHARTYPE(*s, ct_space))
-					{
-						char_t* str = s + 1;
-						while (PUGI__IS_CHARTYPE(*str, ct_space)) ++str;
-						
-						g.push(s, str - s);
-					}
-				}
-				else if (opt_escape::value && *s == '&')
-				{
-					s = strconv_escape(s, g);
-				}
-				else if (!*s)
-				{
-					return 0;
-				}
-				else ++s;
-			}
-		}
-
-		static char_t* parse_wconv(char_t* s, char_t end_quote)
-		{
-			gap g;
-
-			while (true)
-			{
-				while (!PUGI__IS_CHARTYPE(*s, ct_parse_attr_ws)) ++s;
-				
-				if (*s == end_quote)
-				{
-					*g.flush(s) = 0;
-				
-					return s + 1;
-				}
-				else if (PUGI__IS_CHARTYPE(*s, ct_space))
-				{
-					if (*s == '\r')
-					{
-						*s++ = ' ';
-				
-						if (*s == '\n') g.push(s, 1);
-					}
-					else *s++ = ' ';
-				}
-				else if (opt_escape::value && *s == '&')
-				{
-					s = strconv_escape(s, g);
-				}
-				else if (!*s)
-				{
-					return 0;
-				}
-				else ++s;
-			}
-		}
-
-		static char_t* parse_eol(char_t* s, char_t end_quote)
-		{
-			gap g;
-
-			while (true)
-			{
-				while (!PUGI__IS_CHARTYPE(*s, ct_parse_attr)) ++s;
-				
-				if (*s == end_quote)
-				{
-					*g.flush(s) = 0;
-				
-					return s + 1;
-				}
-				else if (*s == '\r')
-				{
-					*s++ = '\n';
-					
-					if (*s == '\n') g.push(s, 1);
-				}
-				else if (opt_escape::value && *s == '&')
-				{
-					s = strconv_escape(s, g);
-				}
-				else if (!*s)
-				{
-					return 0;
-				}
-				else ++s;
-			}
-		}
-
-		static char_t* parse_simple(char_t* s, char_t end_quote)
-		{
-			gap g;
-
-			while (true)
-			{
-				while (!PUGI__IS_CHARTYPE(*s, ct_parse_attr)) ++s;
-				
-				if (*s == end_quote)
-				{
-					*g.flush(s) = 0;
-				
-					return s + 1;
-				}
-				else if (opt_escape::value && *s == '&')
-				{
-					s = strconv_escape(s, g);
-				}
-				else if (!*s)
-				{
-					return 0;
-				}
-				else ++s;
-			}
-		}
-	};
-
-	PUGI__FN strconv_attribute_t get_strconv_attribute(unsigned int optmask)
-	{
-		PUGI__STATIC_ASSERT(parse_escapes == 0x10 && parse_eol == 0x20 && parse_wconv_attribute == 0x40 && parse_wnorm_attribute == 0x80);
-		
-		switch ((optmask >> 4) & 15) // get bitmask for flags (wconv wnorm eol escapes)
-		{
-		case 0:  return strconv_attribute_impl<opt_false>::parse_simple;
-		case 1:  return strconv_attribute_impl<opt_true>::parse_simple;
-		case 2:  return strconv_attribute_impl<opt_false>::parse_eol;
-		case 3:  return strconv_attribute_impl<opt_true>::parse_eol;
-		case 4:  return strconv_attribute_impl<opt_false>::parse_wconv;
-		case 5:  return strconv_attribute_impl<opt_true>::parse_wconv;
-		case 6:  return strconv_attribute_impl<opt_false>::parse_wconv;
-		case 7:  return strconv_attribute_impl<opt_true>::parse_wconv;
-		case 8:  return strconv_attribute_impl<opt_false>::parse_wnorm;
-		case 9:  return strconv_attribute_impl<opt_true>::parse_wnorm;
-		case 10: return strconv_attribute_impl<opt_false>::parse_wnorm;
-		case 11: return strconv_attribute_impl<opt_true>::parse_wnorm;
-		case 12: return strconv_attribute_impl<opt_false>::parse_wnorm;
-		case 13: return strconv_attribute_impl<opt_true>::parse_wnorm;
-		case 14: return strconv_attribute_impl<opt_false>::parse_wnorm;
-		case 15: return strconv_attribute_impl<opt_true>::parse_wnorm;
-		default: return 0; // should not get here
-		}
-	}
-
-	inline xml_parse_result make_parse_result(xml_parse_status status, ptrdiff_t offset = 0)
-	{
-		xml_parse_result result;
-		result.status = status;
-		result.offset = offset;
-
-		return result;
-	}
-
-	struct xml_parser
-	{
-		xml_allocator alloc;
-		char_t* error_offset;
-		xml_parse_status error_status;
-		
-		// Parser utilities.
-		#define PUGI__SKIPWS()			{ while (PUGI__IS_CHARTYPE(*s, ct_space)) ++s; }
-		#define PUGI__OPTSET(OPT)			( optmsk & (OPT) )
-		#define PUGI__PUSHNODE(TYPE)		{ cursor = append_node(cursor, alloc, TYPE); if (!cursor) PUGI__THROW_ERROR(status_out_of_memory, s); }
-		#define PUGI__POPNODE()			{ cursor = cursor->parent; }
-		#define PUGI__SCANFOR(X)			{ while (*s != 0 && !(X)) ++s; }
-		#define PUGI__SCANWHILE(X)		{ while ((X)) ++s; }
-		#define PUGI__ENDSEG()			{ ch = *s; *s = 0; ++s; }
-		#define PUGI__THROW_ERROR(err, m)	return error_offset = m, error_status = err, static_cast<char_t*>(0)
-		#define PUGI__CHECK_ERROR(err, m)	{ if (*s == 0) PUGI__THROW_ERROR(err, m); }
-		
-		xml_parser(const xml_allocator& alloc_): alloc(alloc_), error_offset(0), error_status(status_ok)
-		{
-		}
-
-		// DOCTYPE consists of nested sections of the following possible types:
-		// <!-- ... -->, <? ... ?>, "...", '...'
-		// <![...]]>
-		// <!...>
-		// First group can not contain nested groups
-		// Second group can contain nested groups of the same type
-		// Third group can contain all other groups
-		char_t* parse_doctype_primitive(char_t* s)
-		{
-			if (*s == '"' || *s == '\'')
-			{
-				// quoted string
-				char_t ch = *s++;
-				PUGI__SCANFOR(*s == ch);
-				if (!*s) PUGI__THROW_ERROR(status_bad_doctype, s);
-
-				s++;
-			}
-			else if (s[0] == '<' && s[1] == '?')
-			{
-				// <? ... ?>
-				s += 2;
-				PUGI__SCANFOR(s[0] == '?' && s[1] == '>'); // no need for ENDSWITH because ?> can't terminate proper doctype
-				if (!*s) PUGI__THROW_ERROR(status_bad_doctype, s);
-
-				s += 2;
-			}
-			else if (s[0] == '<' && s[1] == '!' && s[2] == '-' && s[3] == '-')
-			{
-				s += 4;
-				PUGI__SCANFOR(s[0] == '-' && s[1] == '-' && s[2] == '>'); // no need for ENDSWITH because --> can't terminate proper doctype
-				if (!*s) PUGI__THROW_ERROR(status_bad_doctype, s);
-
-				s += 4;
-			}
-			else PUGI__THROW_ERROR(status_bad_doctype, s);
-
-			return s;
-		}
-
-		char_t* parse_doctype_ignore(char_t* s)
-		{
-			assert(s[0] == '<' && s[1] == '!' && s[2] == '[');
-			s++;
-
-			while (*s)
-			{
-				if (s[0] == '<' && s[1] == '!' && s[2] == '[')
-				{
-					// nested ignore section
-					s = parse_doctype_ignore(s);
-					if (!s) return s;
-				}
-				else if (s[0] == ']' && s[1] == ']' && s[2] == '>')
-				{
-					// ignore section end
-					s += 3;
-
-					return s;
-				}
-				else s++;
-			}
-
-			PUGI__THROW_ERROR(status_bad_doctype, s);
-		}
-
-		char_t* parse_doctype_group(char_t* s, char_t endch, bool toplevel)
-		{
-			assert(s[0] == '<' && s[1] == '!');
-			s++;
-
-			while (*s)
-			{
-				if (s[0] == '<' && s[1] == '!' && s[2] != '-')
-				{
-					if (s[2] == '[')
-					{
-						// ignore
-						s = parse_doctype_ignore(s);
-						if (!s) return s;
-					}
-					else
-					{
-						// some control group
-						s = parse_doctype_group(s, endch, false);
-						if (!s) return s;
-					}
-				}
-				else if (s[0] == '<' || s[0] == '"' || s[0] == '\'')
-				{
-					// unknown tag (forbidden), or some primitive group
-					s = parse_doctype_primitive(s);
-					if (!s) return s;
-				}
-				else if (*s == '>')
-				{
-					s++;
-
-					return s;
-				}
-				else s++;
-			}
-
-			if (!toplevel || endch != '>') PUGI__THROW_ERROR(status_bad_doctype, s);
-
-			return s;
-		}
-
-		char_t* parse_exclamation(char_t* s, xml_node_struct* cursor, unsigned int optmsk, char_t endch)
-		{
-			// parse node contents, starting with exclamation mark
-			++s;
-
-			if (*s == '-') // '<!-...'
-			{
-				++s;
-
-				if (*s == '-') // '<!--...'
-				{
-					++s;
-
-					if (PUGI__OPTSET(parse_comments))
-					{
-						PUGI__PUSHNODE(node_comment); // Append a new node on the tree.
-						cursor->value = s; // Save the offset.
-					}
-
-					if (PUGI__OPTSET(parse_eol) && PUGI__OPTSET(parse_comments))
-					{
-						s = strconv_comment(s, endch);
-
-						if (!s) PUGI__THROW_ERROR(status_bad_comment, cursor->value);
-					}
-					else
-					{
-						// Scan for terminating '-->'.
-						PUGI__SCANFOR(s[0] == '-' && s[1] == '-' && ENDSWITH(s[2], '>'));
-						PUGI__CHECK_ERROR(status_bad_comment, s);
-
-						if (PUGI__OPTSET(parse_comments))
-							*s = 0; // Zero-terminate this segment at the first terminating '-'.
-
-						s += (s[2] == '>' ? 3 : 2); // Step over the '\0->'.
-					}
-				}
-				else PUGI__THROW_ERROR(status_bad_comment, s);
-			}
-			else if (*s == '[')
-			{
-				// '<![CDATA[...'
-				if (*++s=='C' && *++s=='D' && *++s=='A' && *++s=='T' && *++s=='A' && *++s == '[')
-				{
-					++s;
-
-					if (PUGI__OPTSET(parse_cdata))
-					{
-						PUGI__PUSHNODE(node_cdata); // Append a new node on the tree.
-						cursor->value = s; // Save the offset.
-
-						if (PUGI__OPTSET(parse_eol))
-						{
-							s = strconv_cdata(s, endch);
-
-							if (!s) PUGI__THROW_ERROR(status_bad_cdata, cursor->value);
-						}
-						else
-						{
-							// Scan for terminating ']]>'.
-							PUGI__SCANFOR(s[0] == ']' && s[1] == ']' && ENDSWITH(s[2], '>'));
-							PUGI__CHECK_ERROR(status_bad_cdata, s);
-
-							*s++ = 0; // Zero-terminate this segment.
-						}
-					}
-					else // Flagged for discard, but we still have to scan for the terminator.
-					{
-						// Scan for terminating ']]>'.
-						PUGI__SCANFOR(s[0] == ']' && s[1] == ']' && ENDSWITH(s[2], '>'));
-						PUGI__CHECK_ERROR(status_bad_cdata, s);
-
-						++s;
-					}
-
-					s += (s[1] == '>' ? 2 : 1); // Step over the last ']>'.
-				}
-				else PUGI__THROW_ERROR(status_bad_cdata, s);
-			}
-			else if (s[0] == 'D' && s[1] == 'O' && s[2] == 'C' && s[3] == 'T' && s[4] == 'Y' && s[5] == 'P' && ENDSWITH(s[6], 'E'))
-			{
-				s -= 2;
-
-				if (cursor->parent) PUGI__THROW_ERROR(status_bad_doctype, s);
-
-				char_t* mark = s + 9;
-
-				s = parse_doctype_group(s, endch, true);
-				if (!s) return s;
-
-				if (PUGI__OPTSET(parse_doctype))
-				{
-					while (PUGI__IS_CHARTYPE(*mark, ct_space)) ++mark;
-
-					PUGI__PUSHNODE(node_doctype);
-
-					cursor->value = mark;
-
-					assert((s[0] == 0 && endch == '>') || s[-1] == '>');
-					s[*s == 0 ? 0 : -1] = 0;
-
-					PUGI__POPNODE();
-				}
-			}
-			else if (*s == 0 && endch == '-') PUGI__THROW_ERROR(status_bad_comment, s);
-			else if (*s == 0 && endch == '[') PUGI__THROW_ERROR(status_bad_cdata, s);
-			else PUGI__THROW_ERROR(status_unrecognized_tag, s);
-
-			return s;
-		}
-
-		char_t* parse_question(char_t* s, xml_node_struct*& ref_cursor, unsigned int optmsk, char_t endch)
-		{
-			// load into registers
-			xml_node_struct* cursor = ref_cursor;
-			char_t ch = 0;
-
-			// parse node contents, starting with question mark
-			++s;
-
-			// read PI target
-			char_t* target = s;
-
-			if (!PUGI__IS_CHARTYPE(*s, ct_start_symbol)) PUGI__THROW_ERROR(status_bad_pi, s);
-
-			PUGI__SCANWHILE(PUGI__IS_CHARTYPE(*s, ct_symbol));
-			PUGI__CHECK_ERROR(status_bad_pi, s);
-
-			// determine node type; stricmp / strcasecmp is not portable
-			bool declaration = (target[0] | ' ') == 'x' && (target[1] | ' ') == 'm' && (target[2] | ' ') == 'l' && target + 3 == s;
-
-			if (declaration ? PUGI__OPTSET(parse_declaration) : PUGI__OPTSET(parse_pi))
-			{
-				if (declaration)
-				{
-					// disallow non top-level declarations
-					if (cursor->parent) PUGI__THROW_ERROR(status_bad_pi, s);
-
-					PUGI__PUSHNODE(node_declaration);
-				}
-				else
-				{
-					PUGI__PUSHNODE(node_pi);
-				}
-
-				cursor->name = target;
-
-				PUGI__ENDSEG();
-
-				// parse value/attributes
-				if (ch == '?')
-				{
-					// empty node
-					if (!ENDSWITH(*s, '>')) PUGI__THROW_ERROR(status_bad_pi, s);
-					s += (*s == '>');
-
-					PUGI__POPNODE();
-				}
-				else if (PUGI__IS_CHARTYPE(ch, ct_space))
-				{
-					PUGI__SKIPWS();
-
-					// scan for tag end
-					char_t* value = s;
-
-					PUGI__SCANFOR(s[0] == '?' && ENDSWITH(s[1], '>'));
-					PUGI__CHECK_ERROR(status_bad_pi, s);
-
-					if (declaration)
-					{
-						// replace ending ? with / so that 'element' terminates properly
-						*s = '/';
-
-						// we exit from this function with cursor at node_declaration, which is a signal to parse() to go to LOC_ATTRIBUTES
-						s = value;
-					}
-					else
-					{
-						// store value and step over >
-						cursor->value = value;
-						PUGI__POPNODE();
-
-						PUGI__ENDSEG();
-
-						s += (*s == '>');
-					}
-				}
-				else PUGI__THROW_ERROR(status_bad_pi, s);
-			}
-			else
-			{
-				// scan for tag end
-				PUGI__SCANFOR(s[0] == '?' && ENDSWITH(s[1], '>'));
-				PUGI__CHECK_ERROR(status_bad_pi, s);
-
-				s += (s[1] == '>' ? 2 : 1);
-			}
-
-			// store from registers
-			ref_cursor = cursor;
-
-			return s;
-		}
-
-		char_t* parse(char_t* s, xml_node_struct* xmldoc, unsigned int optmsk, char_t endch)
-		{
-			strconv_attribute_t strconv_attribute = get_strconv_attribute(optmsk);
-			strconv_pcdata_t strconv_pcdata = get_strconv_pcdata(optmsk);
-			
-			char_t ch = 0;
-			xml_node_struct* cursor = xmldoc;
-			char_t* mark = s;
-
-			while (*s != 0)
-			{
-				if (*s == '<')
-				{
-					++s;
-
-				LOC_TAG:
-					if (PUGI__IS_CHARTYPE(*s, ct_start_symbol)) // '<#...'
-					{
-						PUGI__PUSHNODE(node_element); // Append a new node to the tree.
-
-						cursor->name = s;
-
-						PUGI__SCANWHILE(PUGI__IS_CHARTYPE(*s, ct_symbol)); // Scan for a terminator.
-						PUGI__ENDSEG(); // Save char in 'ch', terminate & step over.
-
-						if (ch == '>')
-						{
-							// end of tag
-						}
-						else if (PUGI__IS_CHARTYPE(ch, ct_space))
-						{
-						LOC_ATTRIBUTES:
-							while (true)
-							{
-								PUGI__SKIPWS(); // Eat any whitespace.
-						
-								if (PUGI__IS_CHARTYPE(*s, ct_start_symbol)) // <... #...
-								{
-									xml_attribute_struct* a = append_attribute_ll(cursor, alloc); // Make space for this attribute.
-									if (!a) PUGI__THROW_ERROR(status_out_of_memory, s);
-
-									a->name = s; // Save the offset.
-
-									PUGI__SCANWHILE(PUGI__IS_CHARTYPE(*s, ct_symbol)); // Scan for a terminator.
-									PUGI__CHECK_ERROR(status_bad_attribute, s); //$ redundant, left for performance
-
-									PUGI__ENDSEG(); // Save char in 'ch', terminate & step over.
-									PUGI__CHECK_ERROR(status_bad_attribute, s); //$ redundant, left for performance
-
-									if (PUGI__IS_CHARTYPE(ch, ct_space))
-									{
-										PUGI__SKIPWS(); // Eat any whitespace.
-										PUGI__CHECK_ERROR(status_bad_attribute, s); //$ redundant, left for performance
-
-										ch = *s;
-										++s;
-									}
-									
-									if (ch == '=') // '<... #=...'
-									{
-										PUGI__SKIPWS(); // Eat any whitespace.
-
-										if (*s == '"' || *s == '\'') // '<... #="...'
-										{
-											ch = *s; // Save quote char to avoid breaking on "''" -or- '""'.
-											++s; // Step over the quote.
-											a->value = s; // Save the offset.
-
-											s = strconv_attribute(s, ch);
-										
-											if (!s) PUGI__THROW_ERROR(status_bad_attribute, a->value);
-
-											// After this line the loop continues from the start;
-											// Whitespaces, / and > are ok, symbols and EOF are wrong,
-											// everything else will be detected
-											if (PUGI__IS_CHARTYPE(*s, ct_start_symbol)) PUGI__THROW_ERROR(status_bad_attribute, s);
-										}
-										else PUGI__THROW_ERROR(status_bad_attribute, s);
-									}
-									else PUGI__THROW_ERROR(status_bad_attribute, s);
-								}
-								else if (*s == '/')
-								{
-									++s;
-									
-									if (*s == '>')
-									{
-										PUGI__POPNODE();
-										s++;
-										break;
-									}
-									else if (*s == 0 && endch == '>')
-									{
-										PUGI__POPNODE();
-										break;
-									}
-									else PUGI__THROW_ERROR(status_bad_start_element, s);
-								}
-								else if (*s == '>')
-								{
-									++s;
-
-									break;
-								}
-								else if (*s == 0 && endch == '>')
-								{
-									break;
-								}
-								else PUGI__THROW_ERROR(status_bad_start_element, s);
-							}
-
-							// !!!
-						}
-						else if (ch == '/') // '<#.../'
-						{
-							if (!ENDSWITH(*s, '>')) PUGI__THROW_ERROR(status_bad_start_element, s);
-
-							PUGI__POPNODE(); // Pop.
-
-							s += (*s == '>');
-						}
-						else if (ch == 0)
-						{
-							// we stepped over null terminator, backtrack & handle closing tag
-							--s;
-							
-							if (endch != '>') PUGI__THROW_ERROR(status_bad_start_element, s);
-						}
-						else PUGI__THROW_ERROR(status_bad_start_element, s);
-					}
-					else if (*s == '/')
-					{
-						++s;
-
-						char_t* name = cursor->name;
-						if (!name) PUGI__THROW_ERROR(status_end_element_mismatch, s);
-						
-						while (PUGI__IS_CHARTYPE(*s, ct_symbol))
-						{
-							if (*s++ != *name++) PUGI__THROW_ERROR(status_end_element_mismatch, s);
-						}
-
-						if (*name)
-						{
-							if (*s == 0 && name[0] == endch && name[1] == 0) PUGI__THROW_ERROR(status_bad_end_element, s);
-							else PUGI__THROW_ERROR(status_end_element_mismatch, s);
-						}
-							
-						PUGI__POPNODE(); // Pop.
-
-						PUGI__SKIPWS();
-
-						if (*s == 0)
-						{
-							if (endch != '>') PUGI__THROW_ERROR(status_bad_end_element, s);
-						}
-						else
-						{
-							if (*s != '>') PUGI__THROW_ERROR(status_bad_end_element, s);
-							++s;
-						}
-					}
-					else if (*s == '?') // '<?...'
-					{
-						s = parse_question(s, cursor, optmsk, endch);
-						if (!s) return s;
-
-						assert(cursor);
-						if ((cursor->header & xml_memory_page_type_mask) + 1 == node_declaration) goto LOC_ATTRIBUTES;
-					}
-					else if (*s == '!') // '<!...'
-					{
-						s = parse_exclamation(s, cursor, optmsk, endch);
-						if (!s) return s;
-					}
-					else if (*s == 0 && endch == '?') PUGI__THROW_ERROR(status_bad_pi, s);
-					else PUGI__THROW_ERROR(status_unrecognized_tag, s);
-				}
-				else
-				{
-					mark = s; // Save this offset while searching for a terminator.
-
-					PUGI__SKIPWS(); // Eat whitespace if no genuine PCDATA here.
-
-					if (*s == '<')
-					{
-						// We skipped some whitespace characters because otherwise we would take the tag branch instead of PCDATA one
-						assert(mark != s);
-
-						if (!PUGI__OPTSET(parse_ws_pcdata | parse_ws_pcdata_single))
-						{
-							continue;
-						}
-						else if (PUGI__OPTSET(parse_ws_pcdata_single))
-						{
-							if (s[1] != '/' || cursor->first_child) continue;
-						}
-					}
-
-					s = mark;
-							
-					if (cursor->parent)
-					{
-						PUGI__PUSHNODE(node_pcdata); // Append a new node on the tree.
-						cursor->value = s; // Save the offset.
-
-						s = strconv_pcdata(s);
-								
-						PUGI__POPNODE(); // Pop since this is a standalone.
-						
-						if (!*s) break;
-					}
-					else
-					{
-						PUGI__SCANFOR(*s == '<'); // '...<'
-						if (!*s) break;
-						
-						++s;
-					}
-
-					// We're after '<'
-					goto LOC_TAG;
-				}
-			}
-
-			// check that last tag is closed
-			if (cursor != xmldoc) PUGI__THROW_ERROR(status_end_element_mismatch, s);
-
-			return s;
-		}
-
-		static xml_parse_result parse(char_t* buffer, size_t length, xml_node_struct* root, unsigned int optmsk)
-		{
-			xml_document_struct* xmldoc = static_cast<xml_document_struct*>(root);
-
-			// store buffer for offset_debug
-			xmldoc->buffer = buffer;
-
-			// early-out for empty documents
-			if (length == 0) return make_parse_result(status_ok);
-
-			// create parser on stack
-			xml_parser parser(*xmldoc);
-
-			// save last character and make buffer zero-terminated (speeds up parsing)
-			char_t endch = buffer[length - 1];
-			buffer[length - 1] = 0;
-			
-			// perform actual parsing
-			parser.parse(buffer, xmldoc, optmsk, endch);
-
-			xml_parse_result result = make_parse_result(parser.error_status, parser.error_offset ? parser.error_offset - buffer : 0);
-			assert(result.offset >= 0 && static_cast<size_t>(result.offset) <= length);
-
-			// update allocator state
-			*static_cast<xml_allocator*>(xmldoc) = parser.alloc;
-
-			// since we removed last character, we have to handle the only possible false positive
-			if (result && endch == '<')
-			{
-				// there's no possible well-formed document with < at the end
-				return make_parse_result(status_unrecognized_tag, length);
-			}
-
-			return result;
-		}
-	};
-
-	// Output facilities
-	PUGI__FN xml_encoding get_write_native_encoding()
-	{
-	#ifdef PUGIXML_WCHAR_MODE
-		return get_wchar_encoding();
-	#else
-		return encoding_utf8;
-	#endif
-	}
-
-	PUGI__FN xml_encoding get_write_encoding(xml_encoding encoding)
-	{
-		// replace wchar encoding with utf implementation
-		if (encoding == encoding_wchar) return get_wchar_encoding();
-
-		// replace utf16 encoding with utf16 with specific endianness
-		if (encoding == encoding_utf16) return is_little_endian() ? encoding_utf16_le : encoding_utf16_be;
-
-		// replace utf32 encoding with utf32 with specific endianness
-		if (encoding == encoding_utf32) return is_little_endian() ? encoding_utf32_le : encoding_utf32_be;
-
-		// only do autodetection if no explicit encoding is requested
-		if (encoding != encoding_auto) return encoding;
-
-		// assume utf8 encoding
-		return encoding_utf8;
-	}
-
-#ifdef PUGIXML_WCHAR_MODE
-	PUGI__FN size_t get_valid_length(const char_t* data, size_t length)
-	{
-		assert(length > 0);
-
-		// discard last character if it's the lead of a surrogate pair 
-		return (sizeof(wchar_t) == 2 && static_cast<unsigned int>(static_cast<uint16_t>(data[length - 1]) - 0xD800) < 0x400) ? length - 1 : length;
-	}
-
-	PUGI__FN size_t convert_buffer(char_t* r_char, uint8_t* r_u8, uint16_t* r_u16, uint32_t* r_u32, const char_t* data, size_t length, xml_encoding encoding)
-	{
-		// only endian-swapping is required
-		if (need_endian_swap_utf(encoding, get_wchar_encoding()))
-		{
-			convert_wchar_endian_swap(r_char, data, length);
-
-			return length * sizeof(char_t);
-		}
-	
-		// convert to utf8
-		if (encoding == encoding_utf8)
-		{
-			uint8_t* dest = r_u8;
-			uint8_t* end = utf_decoder<utf8_writer>::decode_wchar_block(data, length, dest);
-
-			return static_cast<size_t>(end - dest);
-		}
-
-		// convert to utf16
-		if (encoding == encoding_utf16_be || encoding == encoding_utf16_le)
-		{
-			uint16_t* dest = r_u16;
-
-			// convert to native utf16
-			uint16_t* end = utf_decoder<utf16_writer>::decode_wchar_block(data, length, dest);
-
-			// swap if necessary
-			xml_encoding native_encoding = is_little_endian() ? encoding_utf16_le : encoding_utf16_be;
-
-			if (native_encoding != encoding) convert_utf_endian_swap(dest, dest, static_cast<size_t>(end - dest));
-
-			return static_cast<size_t>(end - dest) * sizeof(uint16_t);
-		}
-
-		// convert to utf32
-		if (encoding == encoding_utf32_be || encoding == encoding_utf32_le)
-		{
-			uint32_t* dest = r_u32;
-
-			// convert to native utf32
-			uint32_t* end = utf_decoder<utf32_writer>::decode_wchar_block(data, length, dest);
-
-			// swap if necessary
-			xml_encoding native_encoding = is_little_endian() ? encoding_utf32_le : encoding_utf32_be;
-
-			if (native_encoding != encoding) convert_utf_endian_swap(dest, dest, static_cast<size_t>(end - dest));
-
-			return static_cast<size_t>(end - dest) * sizeof(uint32_t);
-		}
-
-		// convert to latin1
-		if (encoding == encoding_latin1)
-		{
-			uint8_t* dest = r_u8;
-			uint8_t* end = utf_decoder<latin1_writer>::decode_wchar_block(data, length, dest);
-
-			return static_cast<size_t>(end - dest);
-		}
-
-		assert(!"Invalid encoding");
-		return 0;
-	}
-#else
-	PUGI__FN size_t get_valid_length(const char_t* data, size_t length)
-	{
-		assert(length > 4);
-
-		for (size_t i = 1; i <= 4; ++i)
-		{
-			uint8_t ch = static_cast<uint8_t>(data[length - i]);
-
-			// either a standalone character or a leading one
-			if ((ch & 0xc0) != 0x80) return length - i;
-		}
-
-		// there are four non-leading characters at the end, sequence tail is broken so might as well process the whole chunk
-		return length;
-	}
-
-	PUGI__FN size_t convert_buffer(char_t* /* r_char */, uint8_t* r_u8, uint16_t* r_u16, uint32_t* r_u32, const char_t* data, size_t length, xml_encoding encoding)
-	{
-		if (encoding == encoding_utf16_be || encoding == encoding_utf16_le)
-		{
-			uint16_t* dest = r_u16;
-
-			// convert to native utf16
-			uint16_t* end = utf_decoder<utf16_writer>::decode_utf8_block(reinterpret_cast<const uint8_t*>(data), length, dest);
-
-			// swap if necessary
-			xml_encoding native_encoding = is_little_endian() ? encoding_utf16_le : encoding_utf16_be;
-
-			if (native_encoding != encoding) convert_utf_endian_swap(dest, dest, static_cast<size_t>(end - dest));
-
-			return static_cast<size_t>(end - dest) * sizeof(uint16_t);
-		}
-
-		if (encoding == encoding_utf32_be || encoding == encoding_utf32_le)
-		{
-			uint32_t* dest = r_u32;
-
-			// convert to native utf32
-			uint32_t* end = utf_decoder<utf32_writer>::decode_utf8_block(reinterpret_cast<const uint8_t*>(data), length, dest);
-
-			// swap if necessary
-			xml_encoding native_encoding = is_little_endian() ? encoding_utf32_le : encoding_utf32_be;
-
-			if (native_encoding != encoding) convert_utf_endian_swap(dest, dest, static_cast<size_t>(end - dest));
-
-			return static_cast<size_t>(end - dest) * sizeof(uint32_t);
-		}
-
-		if (encoding == encoding_latin1)
-		{
-			uint8_t* dest = r_u8;
-			uint8_t* end = utf_decoder<latin1_writer>::decode_utf8_block(reinterpret_cast<const uint8_t*>(data), length, dest);
-
-			return static_cast<size_t>(end - dest);
-		}
-
-		assert(!"Invalid encoding");
-		return 0;
-	}
-#endif
-
-	class xml_buffered_writer
-	{
-		xml_buffered_writer(const xml_buffered_writer&);
-		xml_buffered_writer& operator=(const xml_buffered_writer&);
-
-	public:
-		xml_buffered_writer(xml_writer& writer_, xml_encoding user_encoding): writer(writer_), bufsize(0), encoding(get_write_encoding(user_encoding))
-		{
-			PUGI__STATIC_ASSERT(bufcapacity >= 8);
-		}
-
-		~xml_buffered_writer()
-		{
-			flush();
-		}
-
-		void flush()
-		{
-			flush(buffer, bufsize);
-			bufsize = 0;
-		}
-
-		void flush(const char_t* data, size_t size)
-		{
-			if (size == 0) return;
-
-			// fast path, just write data
-			if (encoding == get_write_native_encoding())
-				writer.write(data, size * sizeof(char_t));
-			else
-			{
-				// convert chunk
-				size_t result = convert_buffer(scratch.data_char, scratch.data_u8, scratch.data_u16, scratch.data_u32, data, size, encoding);
-				assert(result <= sizeof(scratch));
-
-				// write data
-				writer.write(scratch.data_u8, result);
-			}
-		}
-
-		void write(const char_t* data, size_t length)
-		{
-			if (bufsize + length > bufcapacity)
-			{
-				// flush the remaining buffer contents
-				flush();
-
-				// handle large chunks
-				if (length > bufcapacity)
-				{
-					if (encoding == get_write_native_encoding())
-					{
-						// fast path, can just write data chunk
-						writer.write(data, length * sizeof(char_t));
-						return;
-					}
-
-					// need to convert in suitable chunks
-					while (length > bufcapacity)
-					{
-						// get chunk size by selecting such number of characters that are guaranteed to fit into scratch buffer
-						// and form a complete codepoint sequence (i.e. discard start of last codepoint if necessary)
-						size_t chunk_size = get_valid_length(data, bufcapacity);
-
-						// convert chunk and write
-						flush(data, chunk_size);
-
-						// iterate
-						data += chunk_size;
-						length -= chunk_size;
-					}
-
-					// small tail is copied below
-					bufsize = 0;
-				}
-			}
-
-			memcpy(buffer + bufsize, data, length * sizeof(char_t));
-			bufsize += length;
-		}
-
-		void write(const char_t* data)
-		{
-			write(data, strlength(data));
-		}
-
-		void write(char_t d0)
-		{
-			if (bufsize + 1 > bufcapacity) flush();
-
-			buffer[bufsize + 0] = d0;
-			bufsize += 1;
-		}
-
-		void write(char_t d0, char_t d1)
-		{
-			if (bufsize + 2 > bufcapacity) flush();
-
-			buffer[bufsize + 0] = d0;
-			buffer[bufsize + 1] = d1;
-			bufsize += 2;
-		}
-
-		void write(char_t d0, char_t d1, char_t d2)
-		{
-			if (bufsize + 3 > bufcapacity) flush();
-
-			buffer[bufsize + 0] = d0;
-			buffer[bufsize + 1] = d1;
-			buffer[bufsize + 2] = d2;
-			bufsize += 3;
-		}
-
-		void write(char_t d0, char_t d1, char_t d2, char_t d3)
-		{
-			if (bufsize + 4 > bufcapacity) flush();
-
-			buffer[bufsize + 0] = d0;
-			buffer[bufsize + 1] = d1;
-			buffer[bufsize + 2] = d2;
-			buffer[bufsize + 3] = d3;
-			bufsize += 4;
-		}
-
-		void write(char_t d0, char_t d1, char_t d2, char_t d3, char_t d4)
-		{
-			if (bufsize + 5 > bufcapacity) flush();
-
-			buffer[bufsize + 0] = d0;
-			buffer[bufsize + 1] = d1;
-			buffer[bufsize + 2] = d2;
-			buffer[bufsize + 3] = d3;
-			buffer[bufsize + 4] = d4;
-			bufsize += 5;
-		}
-
-		void write(char_t d0, char_t d1, char_t d2, char_t d3, char_t d4, char_t d5)
-		{
-			if (bufsize + 6 > bufcapacity) flush();
-
-			buffer[bufsize + 0] = d0;
-			buffer[bufsize + 1] = d1;
-			buffer[bufsize + 2] = d2;
-			buffer[bufsize + 3] = d3;
-			buffer[bufsize + 4] = d4;
-			buffer[bufsize + 5] = d5;
-			bufsize += 6;
-		}
-
-		// utf8 maximum expansion: x4 (-> utf32)
-		// utf16 maximum expansion: x2 (-> utf32)
-		// utf32 maximum expansion: x1
-		enum
-		{
-			bufcapacitybytes =
-			#ifdef PUGIXML_MEMORY_OUTPUT_STACK
-				PUGIXML_MEMORY_OUTPUT_STACK
-			#else
-				10240
-			#endif
-			,
-			bufcapacity = bufcapacitybytes / (sizeof(char_t) + 4)
-		};
-
-		char_t buffer[bufcapacity];
-
-		union
-		{
-			uint8_t data_u8[4 * bufcapacity];
-			uint16_t data_u16[2 * bufcapacity];
-			uint32_t data_u32[bufcapacity];
-			char_t data_char[bufcapacity];
-		} scratch;
-
-		xml_writer& writer;
-		size_t bufsize;
-		xml_encoding encoding;
-	};
-
-	PUGI__FN void text_output_escaped(xml_buffered_writer& writer, const char_t* s, chartypex_t type)
-	{
-		while (*s)
-		{
-			const char_t* prev = s;
-			
-			// While *s is a usual symbol
-			while (!PUGI__IS_CHARTYPEX(*s, type)) ++s;
-		
-			writer.write(prev, static_cast<size_t>(s - prev));
-
-			switch (*s)
-			{
-				case 0: break;
-				case '&':
-					writer.write('&', 'a', 'm', 'p', ';');
-					++s;
-					break;
-				case '<':
-					writer.write('&', 'l', 't', ';');
-					++s;
-					break;
-				case '>':
-					writer.write('&', 'g', 't', ';');
-					++s;
-					break;
-				case '"':
-					writer.write('&', 'q', 'u', 'o', 't', ';');
-					++s;
-					break;
-				default: // s is not a usual symbol
-				{
-					unsigned int ch = static_cast<unsigned int>(*s++);
-					assert(ch < 32);
-
-					writer.write('&', '#', static_cast<char_t>((ch / 10) + '0'), static_cast<char_t>((ch % 10) + '0'), ';');
-				}
-			}
-		}
-	}
-
-	PUGI__FN void text_output(xml_buffered_writer& writer, const char_t* s, chartypex_t type, unsigned int flags)
-	{
-		if (flags & format_no_escapes)
-			writer.write(s);
-		else
-			text_output_escaped(writer, s, type);
-	}
-
-	PUGI__FN void text_output_cdata(xml_buffered_writer& writer, const char_t* s)
-	{
-		do
-		{
-			writer.write('<', '!', '[', 'C', 'D');
-			writer.write('A', 'T', 'A', '[');
-
-			const char_t* prev = s;
-
-			// look for ]]> sequence - we can't output it as is since it terminates CDATA
-			while (*s && !(s[0] == ']' && s[1] == ']' && s[2] == '>')) ++s;
-
-			// skip ]] if we stopped at ]]>, > will go to the next CDATA section
-			if (*s) s += 2;
-
-			writer.write(prev, static_cast<size_t>(s - prev));
-
-			writer.write(']', ']', '>');
-		}
-		while (*s);
-	}
-
-	PUGI__FN void node_output_attributes(xml_buffered_writer& writer, const xml_node& node, unsigned int flags)
-	{
-		const char_t* default_name = PUGIXML_TEXT(":anonymous");
-
-		for (xml_attribute a = node.first_attribute(); a; a = a.next_attribute())
-		{
-			writer.write(' ');
-			writer.write(a.name()[0] ? a.name() : default_name);
-			writer.write('=', '"');
-
-			text_output(writer, a.value(), ctx_special_attr, flags);
-
-			writer.write('"');
-		}
-	}
-
-	PUGI__FN void node_output(xml_buffered_writer& writer, const xml_node& node, const char_t* indent, unsigned int flags, unsigned int depth)
-	{
-		const char_t* default_name = PUGIXML_TEXT(":anonymous");
-
-		if ((flags & format_indent) != 0 && (flags & format_raw) == 0)
-			for (unsigned int i = 0; i < depth; ++i) writer.write(indent);
-
-		switch (node.type())
-		{
-		case node_document:
-		{
-			for (xml_node n = node.first_child(); n; n = n.next_sibling())
-				node_output(writer, n, indent, flags, depth);
-			break;
-		}
-			
-		case node_element:
-		{
-			const char_t* name = node.name()[0] ? node.name() : default_name;
-
-			writer.write('<');
-			writer.write(name);
-
-			node_output_attributes(writer, node, flags);
-
-			if (flags & format_raw)
-			{
-				if (!node.first_child())
-					writer.write(' ', '/', '>');
-				else
-				{
-					writer.write('>');
-
-					for (xml_node n = node.first_child(); n; n = n.next_sibling())
-						node_output(writer, n, indent, flags, depth + 1);
-
-					writer.write('<', '/');
-					writer.write(name);
-					writer.write('>');
-				}
-			}
-			else if (!node.first_child())
-				writer.write(' ', '/', '>', '\n');
-			else if (node.first_child() == node.last_child() && (node.first_child().type() == node_pcdata || node.first_child().type() == node_cdata))
-			{
-				writer.write('>');
-
-				if (node.first_child().type() == node_pcdata)
-					text_output(writer, node.first_child().value(), ctx_special_pcdata, flags);
-				else
-					text_output_cdata(writer, node.first_child().value());
-
-				writer.write('<', '/');
-				writer.write(name);
-				writer.write('>', '\n');
-			}
-			else
-			{
-				writer.write('>', '\n');
-				
-				for (xml_node n = node.first_child(); n; n = n.next_sibling())
-					node_output(writer, n, indent, flags, depth + 1);
-
-				if ((flags & format_indent) != 0 && (flags & format_raw) == 0)
-					for (unsigned int i = 0; i < depth; ++i) writer.write(indent);
-				
-				writer.write('<', '/');
-				writer.write(name);
-				writer.write('>', '\n');
-			}
-
-			break;
-		}
-		
-		case node_pcdata:
-			text_output(writer, node.value(), ctx_special_pcdata, flags);
-			if ((flags & format_raw) == 0) writer.write('\n');
-			break;
-
-		case node_cdata:
-			text_output_cdata(writer, node.value());
-			if ((flags & format_raw) == 0) writer.write('\n');
-			break;
-
-		case node_comment:
-			writer.write('<', '!', '-', '-');
-			writer.write(node.value());
-			writer.write('-', '-', '>');
-			if ((flags & format_raw) == 0) writer.write('\n');
-			break;
-
-		case node_pi:
-		case node_declaration:
-			writer.write('<', '?');
-			writer.write(node.name()[0] ? node.name() : default_name);
-
-			if (node.type() == node_declaration)
-			{
-				node_output_attributes(writer, node, flags);
-			}
-			else if (node.value()[0])
-			{
-				writer.write(' ');
-				writer.write(node.value());
-			}
-
-			writer.write('?', '>');
-			if ((flags & format_raw) == 0) writer.write('\n');
-			break;
-
-		case node_doctype:
-			writer.write('<', '!', 'D', 'O', 'C');
-			writer.write('T', 'Y', 'P', 'E');
-
-			if (node.value()[0])
-			{
-				writer.write(' ');
-				writer.write(node.value());
-			}
-
-			writer.write('>');
-			if ((flags & format_raw) == 0) writer.write('\n');
-			break;
-
-		default:
-			assert(!"Invalid node type");
-		}
-	}
-
-	inline bool has_declaration(const xml_node& node)
-	{
-		for (xml_node child = node.first_child(); child; child = child.next_sibling())
-		{
-			xml_node_type type = child.type();
-
-			if (type == node_declaration) return true;
-			if (type == node_element) return false;
-		}
-
-		return false;
-	}
-
-	inline bool allow_insert_child(xml_node_type parent, xml_node_type child)
-	{
-		if (parent != node_document && parent != node_element) return false;
-		if (child == node_document || child == node_null) return false;
-		if (parent != node_document && (child == node_declaration || child == node_doctype)) return false;
-
-		return true;
-	}
-
-	PUGI__FN void recursive_copy_skip(xml_node& dest, const xml_node& source, const xml_node& skip)
-	{
-		assert(dest.type() == source.type());
-
-		switch (source.type())
-		{
-		case node_element:
-		{
-			dest.set_name(source.name());
-
-			for (xml_attribute a = source.first_attribute(); a; a = a.next_attribute())
-				dest.append_attribute(a.name()).set_value(a.value());
-
-			for (xml_node c = source.first_child(); c; c = c.next_sibling())
-			{
-				if (c == skip) continue;
-
-				xml_node cc = dest.append_child(c.type());
-				assert(cc);
-
-				recursive_copy_skip(cc, c, skip);
-			}
-
-			break;
-		}
-
-		case node_pcdata:
-		case node_cdata:
-		case node_comment:
-		case node_doctype:
-			dest.set_value(source.value());
-			break;
-
-		case node_pi:
-			dest.set_name(source.name());
-			dest.set_value(source.value());
-			break;
-
-		case node_declaration:
-		{
-			dest.set_name(source.name());
-
-			for (xml_attribute a = source.first_attribute(); a; a = a.next_attribute())
-				dest.append_attribute(a.name()).set_value(a.value());
-
-			break;
-		}
-
-		default:
-			assert(!"Invalid node type");
-		}
-	}
-
-	inline bool is_text_node(xml_node_struct* node)
-	{
-		xml_node_type type = static_cast<xml_node_type>((node->header & impl::xml_memory_page_type_mask) + 1);
-
-		return type == node_pcdata || type == node_cdata;
-	}
-
-	// get value with conversion functions
-	PUGI__FN int get_value_int(const char_t* value, int def)
-	{
-		if (!value) return def;
-
-	#ifdef PUGIXML_WCHAR_MODE
-		return static_cast<int>(wcstol(value, 0, 10));
-	#else
-		return static_cast<int>(strtol(value, 0, 10));
-	#endif
-	}
-
-	PUGI__FN unsigned int get_value_uint(const char_t* value, unsigned int def)
-	{
-		if (!value) return def;
-
-	#ifdef PUGIXML_WCHAR_MODE
-		return static_cast<unsigned int>(wcstoul(value, 0, 10));
-	#else
-		return static_cast<unsigned int>(strtoul(value, 0, 10));
-	#endif
-	}
-
-	PUGI__FN double get_value_double(const char_t* value, double def)
-	{
-		if (!value) return def;
-
-	#ifdef PUGIXML_WCHAR_MODE
-		return wcstod(value, 0);
-	#else
-		return strtod(value, 0);
-	#endif
-	}
-
-	PUGI__FN float get_value_float(const char_t* value, float def)
-	{
-		if (!value) return def;
-
-	#ifdef PUGIXML_WCHAR_MODE
-		return static_cast<float>(wcstod(value, 0));
-	#else
-		return static_cast<float>(strtod(value, 0));
-	#endif
-	}
-
-	PUGI__FN bool get_value_bool(const char_t* value, bool def)
-	{
-		if (!value) return def;
-
-		// only look at first char
-		char_t first = *value;
-
-		// 1*, t* (true), T* (True), y* (yes), Y* (YES)
-		return (first == '1' || first == 't' || first == 'T' || first == 'y' || first == 'Y');
-	}
-
-	// set value with conversion functions
-	PUGI__FN bool set_value_buffer(char_t*& dest, uintptr_t& header, uintptr_t header_mask, char (&buf)[128])
-	{
-	#ifdef PUGIXML_WCHAR_MODE
-		char_t wbuf[128];
-		impl::widen_ascii(wbuf, buf);
-
-		return strcpy_insitu(dest, header, header_mask, wbuf);
-	#else
-		return strcpy_insitu(dest, header, header_mask, buf);
-	#endif
-	}
-
-	PUGI__FN bool set_value_convert(char_t*& dest, uintptr_t& header, uintptr_t header_mask, int value)
-	{
-		char buf[128];
-		sprintf(buf, "%d", value);
-	
-		return set_value_buffer(dest, header, header_mask, buf);
-	}
-
-	PUGI__FN bool set_value_convert(char_t*& dest, uintptr_t& header, uintptr_t header_mask, unsigned int value)
-	{
-		char buf[128];
-		sprintf(buf, "%u", value);
-
-		return set_value_buffer(dest, header, header_mask, buf);
-	}
-
-	PUGI__FN bool set_value_convert(char_t*& dest, uintptr_t& header, uintptr_t header_mask, double value)
-	{
-		char buf[128];
-		sprintf(buf, "%g", value);
-
-		return set_value_buffer(dest, header, header_mask, buf);
-	}
-	
-	PUGI__FN bool set_value_convert(char_t*& dest, uintptr_t& header, uintptr_t header_mask, bool value)
-	{
-		return strcpy_insitu(dest, header, header_mask, value ? PUGIXML_TEXT("true") : PUGIXML_TEXT("false"));
-	}
-
-	// we need to get length of entire file to load it in memory; the only (relatively) sane way to do it is via seek/tell trick
-	PUGI__FN xml_parse_status get_file_size(FILE* file, size_t& out_result)
-	{
-	#if defined(PUGI__MSVC_CRT_VERSION) && PUGI__MSVC_CRT_VERSION >= 1400 && !defined(_WIN32_WCE)
-		// there are 64-bit versions of fseek/ftell, let's use them
-		typedef __int64 length_type;
-
-		_fseeki64(file, 0, SEEK_END);
-		length_type length = _ftelli64(file);
-		_fseeki64(file, 0, SEEK_SET);
-	#elif defined(__MINGW32__) && !defined(__NO_MINGW_LFS) && !defined(__STRICT_ANSI__)
-		// there are 64-bit versions of fseek/ftell, let's use them
-		typedef off64_t length_type;
-
-		fseeko64(file, 0, SEEK_END);
-		length_type length = ftello64(file);
-		fseeko64(file, 0, SEEK_SET);
-	#else
-		// if this is a 32-bit OS, long is enough; if this is a unix system, long is 64-bit, which is enough; otherwise we can't do anything anyway.
-		typedef long length_type;
-
-		fseek(file, 0, SEEK_END);
-		length_type length = ftell(file);
-		fseek(file, 0, SEEK_SET);
-	#endif
-
-		// check for I/O errors
-		if (length < 0) return status_io_error;
-		
-		// check for overflow
-		size_t result = static_cast<size_t>(length);
-
-		if (static_cast<length_type>(result) != length) return status_out_of_memory;
-
-		// finalize
-		out_result = result;
-
-		return status_ok;
-	}
-
-	PUGI__FN xml_parse_result load_file_impl(xml_document& doc, FILE* file, unsigned int options, xml_encoding encoding)
-	{
-		if (!file) return make_parse_result(status_file_not_found);
-
-		// get file size (can result in I/O errors)
-		size_t size = 0;
-		xml_parse_status size_status = get_file_size(file, size);
-
-		if (size_status != status_ok)
-		{
-			fclose(file);
-			return make_parse_result(size_status);
-		}
-		
-		// allocate buffer for the whole file
-		char* contents = static_cast<char*>(xml_memory::allocate(size > 0 ? size : 1));
-
-		if (!contents)
-		{
-			fclose(file);
-			return make_parse_result(status_out_of_memory);
-		}
-
-		// read file in memory
-		size_t read_size = fread(contents, 1, size, file);
-		fclose(file);
-
-		if (read_size != size)
-		{
-			xml_memory::deallocate(contents);
-			return make_parse_result(status_io_error);
-		}
-		
-		return doc.load_buffer_inplace_own(contents, size, options, encoding);
-	}
-
-#ifndef PUGIXML_NO_STL
-	template <typename T> struct xml_stream_chunk
-	{
-		static xml_stream_chunk* create()
-		{
-			void* memory = xml_memory::allocate(sizeof(xml_stream_chunk));
-			
-			return new (memory) xml_stream_chunk();
-		}
-
-		static void destroy(void* ptr)
-		{
-			xml_stream_chunk* chunk = static_cast<xml_stream_chunk*>(ptr);
-
-			// free chunk chain
-			while (chunk)
-			{
-				xml_stream_chunk* next = chunk->next;
-				xml_memory::deallocate(chunk);
-				chunk = next;
-			}
-		}
-
-		xml_stream_chunk(): next(0), size(0)
-		{
-		}
-
-		xml_stream_chunk* next;
-		size_t size;
-
-		T data[xml_memory_page_size / sizeof(T)];
-	};
-
-	template <typename T> PUGI__FN xml_parse_status load_stream_data_noseek(std::basic_istream<T>& stream, void** out_buffer, size_t* out_size)
-	{
-		buffer_holder chunks(0, xml_stream_chunk<T>::destroy);
-
-		// read file to a chunk list
-		size_t total = 0;
-		xml_stream_chunk<T>* last = 0;
-
-		while (!stream.eof())
-		{
-			// allocate new chunk
-			xml_stream_chunk<T>* chunk = xml_stream_chunk<T>::create();
-			if (!chunk) return status_out_of_memory;
-
-			// append chunk to list
-			if (last) last = last->next = chunk;
-			else chunks.data = last = chunk;
-
-			// read data to chunk
-			stream.read(chunk->data, static_cast<std::streamsize>(sizeof(chunk->data) / sizeof(T)));
-			chunk->size = static_cast<size_t>(stream.gcount()) * sizeof(T);
-
-			// read may set failbit | eofbit in case gcount() is less than read length, so check for other I/O errors
-			if (stream.bad() || (!stream.eof() && stream.fail())) return status_io_error;
-
-			// guard against huge files (chunk size is small enough to make this overflow check work)
-			if (total + chunk->size < total) return status_out_of_memory;
-			total += chunk->size;
-		}
-
-		// copy chunk list to a contiguous buffer
-		char* buffer = static_cast<char*>(xml_memory::allocate(total));
-		if (!buffer) return status_out_of_memory;
-
-		char* write = buffer;
-
-		for (xml_stream_chunk<T>* chunk = static_cast<xml_stream_chunk<T>*>(chunks.data); chunk; chunk = chunk->next)
-		{
-			assert(write + chunk->size <= buffer + total);
-			memcpy(write, chunk->data, chunk->size);
-			write += chunk->size;
-		}
-
-		assert(write == buffer + total);
-
-		// return buffer
-		*out_buffer = buffer;
-		*out_size = total;
-
-		return status_ok;
-	}
-
-	template <typename T> PUGI__FN xml_parse_status load_stream_data_seek(std::basic_istream<T>& stream, void** out_buffer, size_t* out_size)
-	{
-		// get length of remaining data in stream
-		typename std::basic_istream<T>::pos_type pos = stream.tellg();
-		stream.seekg(0, std::ios::end);
-		std::streamoff length = stream.tellg() - pos;
-		stream.seekg(pos);
-
-		if (stream.fail() || pos < 0) return status_io_error;
-
-		// guard against huge files
-		size_t read_length = static_cast<size_t>(length);
-
-		if (static_cast<std::streamsize>(read_length) != length || length < 0) return status_out_of_memory;
-
-		// read stream data into memory (guard against stream exceptions with buffer holder)
-		buffer_holder buffer(xml_memory::allocate((read_length > 0 ? read_length : 1) * sizeof(T)), xml_memory::deallocate);
-		if (!buffer.data) return status_out_of_memory;
-
-		stream.read(static_cast<T*>(buffer.data), static_cast<std::streamsize>(read_length));
-
-		// read may set failbit | eofbit in case gcount() is less than read_length (i.e. line ending conversion), so check for other I/O errors
-		if (stream.bad() || (!stream.eof() && stream.fail())) return status_io_error;
-
-		// return buffer
-		size_t actual_length = static_cast<size_t>(stream.gcount());
-		assert(actual_length <= read_length);
-
-		*out_buffer = buffer.release();
-		*out_size = actual_length * sizeof(T);
-
-		return status_ok;
-	}
-
-	template <typename T> PUGI__FN xml_parse_result load_stream_impl(xml_document& doc, std::basic_istream<T>& stream, unsigned int options, xml_encoding encoding)
-	{
-		void* buffer = 0;
-		size_t size = 0;
-
-		// load stream to memory (using seek-based implementation if possible, since it's faster and takes less memory)
-		xml_parse_status status = (stream.tellg() < 0) ? load_stream_data_noseek(stream, &buffer, &size) : load_stream_data_seek(stream, &buffer, &size);
-		if (status != status_ok) return make_parse_result(status);
-
-		return doc.load_buffer_inplace_own(buffer, size, options, encoding);
-	}
-#endif
-
-#if defined(PUGI__MSVC_CRT_VERSION) || defined(__BORLANDC__) || (defined(__MINGW32__) && !defined(__STRICT_ANSI__))
-	PUGI__FN FILE* open_file_wide(const wchar_t* path, const wchar_t* mode)
-	{
-		return _wfopen(path, mode);
-	}
-#else
-	PUGI__FN char* convert_path_heap(const wchar_t* str)
-	{
-		assert(str);
-
-		// first pass: get length in utf8 characters
-		size_t length = wcslen(str);
-		size_t size = as_utf8_begin(str, length);
-
-		// allocate resulting string
-		char* result = static_cast<char*>(xml_memory::allocate(size + 1));
-		if (!result) return 0;
-
-		// second pass: convert to utf8
-		as_utf8_end(result, size, str, length);
-
-		return result;
-	}
-
-	PUGI__FN FILE* open_file_wide(const wchar_t* path, const wchar_t* mode)
-	{
-		// there is no standard function to open wide paths, so our best bet is to try utf8 path
-		char* path_utf8 = convert_path_heap(path);
-		if (!path_utf8) return 0;
-
-		// convert mode to ASCII (we mirror _wfopen interface)
-		char mode_ascii[4] = {0};
-		for (size_t i = 0; mode[i]; ++i) mode_ascii[i] = static_cast<char>(mode[i]);
-
-		// try to open the utf8 path
-		FILE* result = fopen(path_utf8, mode_ascii);
-
-		// free dummy buffer
-		xml_memory::deallocate(path_utf8);
-
-		return result;
-	}
-#endif
-
-	PUGI__FN bool save_file_impl(const xml_document& doc, FILE* file, const char_t* indent, unsigned int flags, xml_encoding encoding)
-	{
-		if (!file) return false;
-
-		xml_writer_file writer(file);
-		doc.save(writer, indent, flags, encoding);
-
-		int result = ferror(file);
-
-		fclose(file);
-
-		return result == 0;
-	}
-PUGI__NS_END
-
-namespace pugi
-{
-	PUGI__FN xml_writer_file::xml_writer_file(void* file_): file(file_)
-	{
-	}
-
-	PUGI__FN void xml_writer_file::write(const void* data, size_t size)
-	{
-		size_t result = fwrite(data, 1, size, static_cast<FILE*>(file));
-		(void)!result; // unfortunately we can't do proper error handling here
-	}
-
-#ifndef PUGIXML_NO_STL
-	PUGI__FN xml_writer_stream::xml_writer_stream(std::basic_ostream<char, std::char_traits<char> >& stream): narrow_stream(&stream), wide_stream(0)
-	{
-	}
-
-	PUGI__FN xml_writer_stream::xml_writer_stream(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream): narrow_stream(0), wide_stream(&stream)
-	{
-	}
-
-	PUGI__FN void xml_writer_stream::write(const void* data, size_t size)
-	{
-		if (narrow_stream)
-		{
-			assert(!wide_stream);
-			narrow_stream->write(reinterpret_cast<const char*>(data), static_cast<std::streamsize>(size));
-		}
-		else
-		{
-			assert(wide_stream);
-			assert(size % sizeof(wchar_t) == 0);
-
-			wide_stream->write(reinterpret_cast<const wchar_t*>(data), static_cast<std::streamsize>(size / sizeof(wchar_t)));
-		}
-	}
-#endif
-
-	PUGI__FN xml_tree_walker::xml_tree_walker(): _depth(0)
-	{
-	}
-	
-	PUGI__FN xml_tree_walker::~xml_tree_walker()
-	{
-	}
-
-	PUGI__FN int xml_tree_walker::depth() const
-	{
-		return _depth;
-	}
-
-	PUGI__FN bool xml_tree_walker::begin(xml_node&)
-	{
-		return true;
-	}
-
-	PUGI__FN bool xml_tree_walker::end(xml_node&)
-	{
-		return true;
-	}
-
-	PUGI__FN xml_attribute::xml_attribute(): _attr(0)
-	{
-	}
-
-	PUGI__FN xml_attribute::xml_attribute(xml_attribute_struct* attr): _attr(attr)
-	{
-	}
-
-	PUGI__FN static void unspecified_bool_xml_attribute(xml_attribute***)
-	{
-	}
-
-	PUGI__FN xml_attribute::operator xml_attribute::unspecified_bool_type() const
-	{
-		return _attr ? unspecified_bool_xml_attribute : 0;
-	}
-
-	PUGI__FN bool xml_attribute::operator!() const
-	{
-		return !_attr;
-	}
-
-	PUGI__FN bool xml_attribute::operator==(const xml_attribute& r) const
-	{
-		return (_attr == r._attr);
-	}
-	
-	PUGI__FN bool xml_attribute::operator!=(const xml_attribute& r) const
-	{
-		return (_attr != r._attr);
-	}
-
-	PUGI__FN bool xml_attribute::operator<(const xml_attribute& r) const
-	{
-		return (_attr < r._attr);
-	}
-	
-	PUGI__FN bool xml_attribute::operator>(const xml_attribute& r) const
-	{
-		return (_attr > r._attr);
-	}
-	
-	PUGI__FN bool xml_attribute::operator<=(const xml_attribute& r) const
-	{
-		return (_attr <= r._attr);
-	}
-	
-	PUGI__FN bool xml_attribute::operator>=(const xml_attribute& r) const
-	{
-		return (_attr >= r._attr);
-	}
-
-	PUGI__FN xml_attribute xml_attribute::next_attribute() const
-	{
-		return _attr ? xml_attribute(_attr->next_attribute) : xml_attribute();
-	}
-
-	PUGI__FN xml_attribute xml_attribute::previous_attribute() const
-	{
-		return _attr && _attr->prev_attribute_c->next_attribute ? xml_attribute(_attr->prev_attribute_c) : xml_attribute();
-	}
-
-	PUGI__FN const char_t* xml_attribute::as_string(const char_t* def) const
-	{
-		return (_attr && _attr->value) ? _attr->value : def;
-	}
-
-	PUGI__FN int xml_attribute::as_int(int def) const
-	{
-		return impl::get_value_int(_attr ? _attr->value : 0, def);
-	}
-
-	PUGI__FN unsigned int xml_attribute::as_uint(unsigned int def) const
-	{
-		return impl::get_value_uint(_attr ? _attr->value : 0, def);
-	}
-
-	PUGI__FN double xml_attribute::as_double(double def) const
-	{
-		return impl::get_value_double(_attr ? _attr->value : 0, def);
-	}
-
-	PUGI__FN float xml_attribute::as_float(float def) const
-	{
-		return impl::get_value_float(_attr ? _attr->value : 0, def);
-	}
-
-	PUGI__FN bool xml_attribute::as_bool(bool def) const
-	{
-		return impl::get_value_bool(_attr ? _attr->value : 0, def);
-	}
-
-	PUGI__FN bool xml_attribute::empty() const
-	{
-		return !_attr;
-	}
-
-	PUGI__FN const char_t* xml_attribute::name() const
-	{
-		return (_attr && _attr->name) ? _attr->name : PUGIXML_TEXT("");
-	}
-
-	PUGI__FN const char_t* xml_attribute::value() const
-	{
-		return (_attr && _attr->value) ? _attr->value : PUGIXML_TEXT("");
-	}
-
-	PUGI__FN size_t xml_attribute::hash_value() const
-	{
-		return static_cast<size_t>(reinterpret_cast<uintptr_t>(_attr) / sizeof(xml_attribute_struct));
-	}
-
-	PUGI__FN xml_attribute_struct* xml_attribute::internal_object() const
-	{
-		return _attr;
-	}
-
-	PUGI__FN xml_attribute& xml_attribute::operator=(const char_t* rhs)
-	{
-		set_value(rhs);
-		return *this;
-	}
-	
-	PUGI__FN xml_attribute& xml_attribute::operator=(int rhs)
-	{
-		set_value(rhs);
-		return *this;
-	}
-
-	PUGI__FN xml_attribute& xml_attribute::operator=(unsigned int rhs)
-	{
-		set_value(rhs);
-		return *this;
-	}
-
-	PUGI__FN xml_attribute& xml_attribute::operator=(double rhs)
-	{
-		set_value(rhs);
-		return *this;
-	}
-	
-	PUGI__FN xml_attribute& xml_attribute::operator=(bool rhs)
-	{
-		set_value(rhs);
-		return *this;
-	}
-
-	PUGI__FN bool xml_attribute::set_name(const char_t* rhs)
-	{
-		if (!_attr) return false;
-		
-		return impl::strcpy_insitu(_attr->name, _attr->header, impl::xml_memory_page_name_allocated_mask, rhs);
-	}
-		
-	PUGI__FN bool xml_attribute::set_value(const char_t* rhs)
-	{
-		if (!_attr) return false;
-
-		return impl::strcpy_insitu(_attr->value, _attr->header, impl::xml_memory_page_value_allocated_mask, rhs);
-	}
-
-	PUGI__FN bool xml_attribute::set_value(int rhs)
-	{
-		if (!_attr) return false;
-
-		return impl::set_value_convert(_attr->value, _attr->header, impl::xml_memory_page_value_allocated_mask, rhs);
-	}
-
-	PUGI__FN bool xml_attribute::set_value(unsigned int rhs)
-	{
-		if (!_attr) return false;
-
-		return impl::set_value_convert(_attr->value, _attr->header, impl::xml_memory_page_value_allocated_mask, rhs);
-	}
-
-	PUGI__FN bool xml_attribute::set_value(double rhs)
-	{
-		if (!_attr) return false;
-
-		return impl::set_value_convert(_attr->value, _attr->header, impl::xml_memory_page_value_allocated_mask, rhs);
-	}
-	
-	PUGI__FN bool xml_attribute::set_value(bool rhs)
-	{
-		if (!_attr) return false;
-
-		return impl::set_value_convert(_attr->value, _attr->header, impl::xml_memory_page_value_allocated_mask, rhs);
-	}
-
-#ifdef __BORLANDC__
-	PUGI__FN bool operator&&(const xml_attribute& lhs, bool rhs)
-	{
-		return (bool)lhs && rhs;
-	}
-
-	PUGI__FN bool operator||(const xml_attribute& lhs, bool rhs)
-	{
-		return (bool)lhs || rhs;
-	}
-#endif
-
-	PUGI__FN xml_node::xml_node(): _root(0)
-	{
-	}
-
-	PUGI__FN xml_node::xml_node(xml_node_struct* p): _root(p)
-	{
-	}
-	
-	PUGI__FN static void unspecified_bool_xml_node(xml_node***)
-	{
-	}
-
-	PUGI__FN xml_node::operator xml_node::unspecified_bool_type() const
-	{
-		return _root ? unspecified_bool_xml_node : 0;
-	}
-
-	PUGI__FN bool xml_node::operator!() const
-	{
-		return !_root;
-	}
-
-	PUGI__FN xml_node::iterator xml_node::begin() const
-	{
-		return iterator(_root ? _root->first_child : 0, _root);
-	}
-
-	PUGI__FN xml_node::iterator xml_node::end() const
-	{
-		return iterator(0, _root);
-	}
-	
-	PUGI__FN xml_node::attribute_iterator xml_node::attributes_begin() const
-	{
-		return attribute_iterator(_root ? _root->first_attribute : 0, _root);
-	}
-
-	PUGI__FN xml_node::attribute_iterator xml_node::attributes_end() const
-	{
-		return attribute_iterator(0, _root);
-	}
-	
-	PUGI__FN xml_object_range<xml_node_iterator> xml_node::children() const
-	{
-		return xml_object_range<xml_node_iterator>(begin(), end());
-	}
-
-	PUGI__FN xml_object_range<xml_named_node_iterator> xml_node::children(const char_t* name_) const
-	{
-		return xml_object_range<xml_named_node_iterator>(xml_named_node_iterator(child(name_), name_), xml_named_node_iterator());
-	}
-
-	PUGI__FN xml_object_range<xml_attribute_iterator> xml_node::attributes() const
-	{
-		return xml_object_range<xml_attribute_iterator>(attributes_begin(), attributes_end());
-	}
-
-	PUGI__FN bool xml_node::operator==(const xml_node& r) const
-	{
-		return (_root == r._root);
-	}
-
-	PUGI__FN bool xml_node::operator!=(const xml_node& r) const
-	{
-		return (_root != r._root);
-	}
-
-	PUGI__FN bool xml_node::operator<(const xml_node& r) const
-	{
-		return (_root < r._root);
-	}
-	
-	PUGI__FN bool xml_node::operator>(const xml_node& r) const
-	{
-		return (_root > r._root);
-	}
-	
-	PUGI__FN bool xml_node::operator<=(const xml_node& r) const
-	{
-		return (_root <= r._root);
-	}
-	
-	PUGI__FN bool xml_node::operator>=(const xml_node& r) const
-	{
-		return (_root >= r._root);
-	}
-
-	PUGI__FN bool xml_node::empty() const
-	{
-		return !_root;
-	}
-	
-	PUGI__FN const char_t* xml_node::name() const
-	{
-		return (_root && _root->name) ? _root->name : PUGIXML_TEXT("");
-	}
-
-	PUGI__FN xml_node_type xml_node::type() const
-	{
-		return _root ? static_cast<xml_node_type>((_root->header & impl::xml_memory_page_type_mask) + 1) : node_null;
-	}
-	
-	PUGI__FN const char_t* xml_node::value() const
-	{
-		return (_root && _root->value) ? _root->value : PUGIXML_TEXT("");
-	}
-	
-	PUGI__FN xml_node xml_node::child(const char_t* name_) const
-	{
-		if (!_root) return xml_node();
-
-		for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
-			if (i->name && impl::strequal(name_, i->name)) return xml_node(i);
-
-		return xml_node();
-	}
-
-	PUGI__FN xml_attribute xml_node::attribute(const char_t* name_) const
-	{
-		if (!_root) return xml_attribute();
-
-		for (xml_attribute_struct* i = _root->first_attribute; i; i = i->next_attribute)
-			if (i->name && impl::strequal(name_, i->name))
-				return xml_attribute(i);
-		
-		return xml_attribute();
-	}
-	
-	PUGI__FN xml_node xml_node::next_sibling(const char_t* name_) const
-	{
-		if (!_root) return xml_node();
-		
-		for (xml_node_struct* i = _root->next_sibling; i; i = i->next_sibling)
-			if (i->name && impl::strequal(name_, i->name)) return xml_node(i);
-
-		return xml_node();
-	}
-
-	PUGI__FN xml_node xml_node::next_sibling() const
-	{
-		if (!_root) return xml_node();
-		
-		if (_root->next_sibling) return xml_node(_root->next_sibling);
-		else return xml_node();
-	}
-
-	PUGI__FN xml_node xml_node::previous_sibling(const char_t* name_) const
-	{
-		if (!_root) return xml_node();
-		
-		for (xml_node_struct* i = _root->prev_sibling_c; i->next_sibling; i = i->prev_sibling_c)
-			if (i->name && impl::strequal(name_, i->name)) return xml_node(i);
-
-		return xml_node();
-	}
-
-	PUGI__FN xml_node xml_node::previous_sibling() const
-	{
-		if (!_root) return xml_node();
-		
-		if (_root->prev_sibling_c->next_sibling) return xml_node(_root->prev_sibling_c);
-		else return xml_node();
-	}
-
-	PUGI__FN xml_node xml_node::parent() const
-	{
-		return _root ? xml_node(_root->parent) : xml_node();
-	}
-
-	PUGI__FN xml_node xml_node::root() const
-	{
-		if (!_root) return xml_node();
-
-		impl::xml_memory_page* page = reinterpret_cast<impl::xml_memory_page*>(_root->header & impl::xml_memory_page_pointer_mask);
-
-		return xml_node(static_cast<impl::xml_document_struct*>(page->allocator));
-	}
-
-	PUGI__FN xml_text xml_node::text() const
-	{
-		return xml_text(_root);
-	}
-
-	PUGI__FN const char_t* xml_node::child_value() const
-	{
-		if (!_root) return PUGIXML_TEXT("");
-		
-		for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
-			if (i->value && impl::is_text_node(i))
-				return i->value;
-
-		return PUGIXML_TEXT("");
-	}
-
-	PUGI__FN const char_t* xml_node::child_value(const char_t* name_) const
-	{
-		return child(name_).child_value();
-	}
-
-	PUGI__FN xml_attribute xml_node::first_attribute() const
-	{
-		return _root ? xml_attribute(_root->first_attribute) : xml_attribute();
-	}
-
-	PUGI__FN xml_attribute xml_node::last_attribute() const
-	{
-		return _root && _root->first_attribute ? xml_attribute(_root->first_attribute->prev_attribute_c) : xml_attribute();
-	}
-
-	PUGI__FN xml_node xml_node::first_child() const
-	{
-		return _root ? xml_node(_root->first_child) : xml_node();
-	}
-
-	PUGI__FN xml_node xml_node::last_child() const
-	{
-		return _root && _root->first_child ? xml_node(_root->first_child->prev_sibling_c) : xml_node();
-	}
-
-	PUGI__FN bool xml_node::set_name(const char_t* rhs)
-	{
-		switch (type())
-		{
-		case node_pi:
-		case node_declaration:
-		case node_element:
-			return impl::strcpy_insitu(_root->name, _root->header, impl::xml_memory_page_name_allocated_mask, rhs);
-
-		default:
-			return false;
-		}
-	}
-		
-	PUGI__FN bool xml_node::set_value(const char_t* rhs)
-	{
-		switch (type())
-		{
-		case node_pi:
-		case node_cdata:
-		case node_pcdata:
-		case node_comment:
-		case node_doctype:
-			return impl::strcpy_insitu(_root->value, _root->header, impl::xml_memory_page_value_allocated_mask, rhs);
-
-		default:
-			return false;
-		}
-	}
-
-	PUGI__FN xml_attribute xml_node::append_attribute(const char_t* name_)
-	{
-		if (type() != node_element && type() != node_declaration) return xml_attribute();
-		
-		xml_attribute a(impl::append_attribute_ll(_root, impl::get_allocator(_root)));
-		a.set_name(name_);
-		
-		return a;
-	}
-
-	PUGI__FN xml_attribute xml_node::prepend_attribute(const char_t* name_)
-	{
-		if (type() != node_element && type() != node_declaration) return xml_attribute();
-		
-		xml_attribute a(impl::allocate_attribute(impl::get_allocator(_root)));
-		if (!a) return xml_attribute();
-
-		a.set_name(name_);
-		
-		xml_attribute_struct* head = _root->first_attribute;
-
-		if (head)
-		{
-			a._attr->prev_attribute_c = head->prev_attribute_c;
-			head->prev_attribute_c = a._attr;
-		}
-		else
-			a._attr->prev_attribute_c = a._attr;
-		
-		a._attr->next_attribute = head;
-		_root->first_attribute = a._attr;
-				
-		return a;
-	}
-
-	PUGI__FN xml_attribute xml_node::insert_attribute_before(const char_t* name_, const xml_attribute& attr)
-	{
-		if ((type() != node_element && type() != node_declaration) || attr.empty()) return xml_attribute();
-		
-		// check that attribute belongs to *this
-		xml_attribute_struct* cur = attr._attr;
-
-		while (cur->prev_attribute_c->next_attribute) cur = cur->prev_attribute_c;
-
-		if (cur != _root->first_attribute) return xml_attribute();
-
-		xml_attribute a(impl::allocate_attribute(impl::get_allocator(_root)));
-		if (!a) return xml_attribute();
-
-		a.set_name(name_);
-
-		if (attr._attr->prev_attribute_c->next_attribute)
-			attr._attr->prev_attribute_c->next_attribute = a._attr;
-		else
-			_root->first_attribute = a._attr;
-		
-		a._attr->prev_attribute_c = attr._attr->prev_attribute_c;
-		a._attr->next_attribute = attr._attr;
-		attr._attr->prev_attribute_c = a._attr;
-				
-		return a;
-	}
-
-	PUGI__FN xml_attribute xml_node::insert_attribute_after(const char_t* name_, const xml_attribute& attr)
-	{
-		if ((type() != node_element && type() != node_declaration) || attr.empty()) return xml_attribute();
-		
-		// check that attribute belongs to *this
-		xml_attribute_struct* cur = attr._attr;
-
-		while (cur->prev_attribute_c->next_attribute) cur = cur->prev_attribute_c;
-
-		if (cur != _root->first_attribute) return xml_attribute();
-
-		xml_attribute a(impl::allocate_attribute(impl::get_allocator(_root)));
-		if (!a) return xml_attribute();
-
-		a.set_name(name_);
-
-		if (attr._attr->next_attribute)
-			attr._attr->next_attribute->prev_attribute_c = a._attr;
-		else
-			_root->first_attribute->prev_attribute_c = a._attr;
-		
-		a._attr->next_attribute = attr._attr->next_attribute;
-		a._attr->prev_attribute_c = attr._attr;
-		attr._attr->next_attribute = a._attr;
-
-		return a;
-	}
-
-	PUGI__FN xml_attribute xml_node::append_copy(const xml_attribute& proto)
-	{
-		if (!proto) return xml_attribute();
-
-		xml_attribute result = append_attribute(proto.name());
-		result.set_value(proto.value());
-
-		return result;
-	}
-
-	PUGI__FN xml_attribute xml_node::prepend_copy(const xml_attribute& proto)
-	{
-		if (!proto) return xml_attribute();
-
-		xml_attribute result = prepend_attribute(proto.name());
-		result.set_value(proto.value());
-
-		return result;
-	}
-
-	PUGI__FN xml_attribute xml_node::insert_copy_after(const xml_attribute& proto, const xml_attribute& attr)
-	{
-		if (!proto) return xml_attribute();
-
-		xml_attribute result = insert_attribute_after(proto.name(), attr);
-		result.set_value(proto.value());
-
-		return result;
-	}
-
-	PUGI__FN xml_attribute xml_node::insert_copy_before(const xml_attribute& proto, const xml_attribute& attr)
-	{
-		if (!proto) return xml_attribute();
-
-		xml_attribute result = insert_attribute_before(proto.name(), attr);
-		result.set_value(proto.value());
-
-		return result;
-	}
-
-	PUGI__FN xml_node xml_node::append_child(xml_node_type type_)
-	{
-		if (!impl::allow_insert_child(this->type(), type_)) return xml_node();
-		
-		xml_node n(impl::append_node(_root, impl::get_allocator(_root), type_));
-
-		if (type_ == node_declaration) n.set_name(PUGIXML_TEXT("xml"));
-
-		return n;
-	}
-
-	PUGI__FN xml_node xml_node::prepend_child(xml_node_type type_)
-	{
-		if (!impl::allow_insert_child(this->type(), type_)) return xml_node();
-		
-		xml_node n(impl::allocate_node(impl::get_allocator(_root), type_));
-		if (!n) return xml_node();
-
-		n._root->parent = _root;
-
-		xml_node_struct* head = _root->first_child;
-
-		if (head)
-		{
-			n._root->prev_sibling_c = head->prev_sibling_c;
-			head->prev_sibling_c = n._root;
-		}
-		else
-			n._root->prev_sibling_c = n._root;
-		
-		n._root->next_sibling = head;
-		_root->first_child = n._root;
-				
-		if (type_ == node_declaration) n.set_name(PUGIXML_TEXT("xml"));
-
-		return n;
-	}
-
-	PUGI__FN xml_node xml_node::insert_child_before(xml_node_type type_, const xml_node& node)
-	{
-		if (!impl::allow_insert_child(this->type(), type_)) return xml_node();
-		if (!node._root || node._root->parent != _root) return xml_node();
-	
-		xml_node n(impl::allocate_node(impl::get_allocator(_root), type_));
-		if (!n) return xml_node();
-
-		n._root->parent = _root;
-		
-		if (node._root->prev_sibling_c->next_sibling)
-			node._root->prev_sibling_c->next_sibling = n._root;
-		else
-			_root->first_child = n._root;
-		
-		n._root->prev_sibling_c = node._root->prev_sibling_c;
-		n._root->next_sibling = node._root;
-		node._root->prev_sibling_c = n._root;
-
-		if (type_ == node_declaration) n.set_name(PUGIXML_TEXT("xml"));
-
-		return n;
-	}
-
-	PUGI__FN xml_node xml_node::insert_child_after(xml_node_type type_, const xml_node& node)
-	{
-		if (!impl::allow_insert_child(this->type(), type_)) return xml_node();
-		if (!node._root || node._root->parent != _root) return xml_node();
-	
-		xml_node n(impl::allocate_node(impl::get_allocator(_root), type_));
-		if (!n) return xml_node();
-
-		n._root->parent = _root;
-	
-		if (node._root->next_sibling)
-			node._root->next_sibling->prev_sibling_c = n._root;
-		else
-			_root->first_child->prev_sibling_c = n._root;
-		
-		n._root->next_sibling = node._root->next_sibling;
-		n._root->prev_sibling_c = node._root;
-		node._root->next_sibling = n._root;
-
-		if (type_ == node_declaration) n.set_name(PUGIXML_TEXT("xml"));
-
-		return n;
-	}
-
-	PUGI__FN xml_node xml_node::append_child(const char_t* name_)
-	{
-		xml_node result = append_child(node_element);
-
-		result.set_name(name_);
-
-		return result;
-	}
-
-	PUGI__FN xml_node xml_node::prepend_child(const char_t* name_)
-	{
-		xml_node result = prepend_child(node_element);
-
-		result.set_name(name_);
-
-		return result;
-	}
-
-	PUGI__FN xml_node xml_node::insert_child_after(const char_t* name_, const xml_node& node)
-	{
-		xml_node result = insert_child_after(node_element, node);
-
-		result.set_name(name_);
-
-		return result;
-	}
-
-	PUGI__FN xml_node xml_node::insert_child_before(const char_t* name_, const xml_node& node)
-	{
-		xml_node result = insert_child_before(node_element, node);
-
-		result.set_name(name_);
-
-		return result;
-	}
-
-	PUGI__FN xml_node xml_node::append_copy(const xml_node& proto)
-	{
-		xml_node result = append_child(proto.type());
-
-		if (result) impl::recursive_copy_skip(result, proto, result);
-
-		return result;
-	}
-
-	PUGI__FN xml_node xml_node::prepend_copy(const xml_node& proto)
-	{
-		xml_node result = prepend_child(proto.type());
-
-		if (result) impl::recursive_copy_skip(result, proto, result);
-
-		return result;
-	}
-
-	PUGI__FN xml_node xml_node::insert_copy_after(const xml_node& proto, const xml_node& node)
-	{
-		xml_node result = insert_child_after(proto.type(), node);
-
-		if (result) impl::recursive_copy_skip(result, proto, result);
-
-		return result;
-	}
-
-	PUGI__FN xml_node xml_node::insert_copy_before(const xml_node& proto, const xml_node& node)
-	{
-		xml_node result = insert_child_before(proto.type(), node);
-
-		if (result) impl::recursive_copy_skip(result, proto, result);
-
-		return result;
-	}
-
-	PUGI__FN bool xml_node::remove_attribute(const char_t* name_)
-	{
-		return remove_attribute(attribute(name_));
-	}
-
-	PUGI__FN bool xml_node::remove_attribute(const xml_attribute& a)
-	{
-		if (!_root || !a._attr) return false;
-
-		// check that attribute belongs to *this
-		xml_attribute_struct* attr = a._attr;
-
-		while (attr->prev_attribute_c->next_attribute) attr = attr->prev_attribute_c;
-
-		if (attr != _root->first_attribute) return false;
-
-		if (a._attr->next_attribute) a._attr->next_attribute->prev_attribute_c = a._attr->prev_attribute_c;
-		else if (_root->first_attribute) _root->first_attribute->prev_attribute_c = a._attr->prev_attribute_c;
-		
-		if (a._attr->prev_attribute_c->next_attribute) a._attr->prev_attribute_c->next_attribute = a._attr->next_attribute;
-		else _root->first_attribute = a._attr->next_attribute;
-
-		impl::destroy_attribute(a._attr, impl::get_allocator(_root));
-
-		return true;
-	}
-
-	PUGI__FN bool xml_node::remove_child(const char_t* name_)
-	{
-		return remove_child(child(name_));
-	}
-
-	PUGI__FN bool xml_node::remove_child(const xml_node& n)
-	{
-		if (!_root || !n._root || n._root->parent != _root) return false;
-
-		if (n._root->next_sibling) n._root->next_sibling->prev_sibling_c = n._root->prev_sibling_c;
-		else if (_root->first_child) _root->first_child->prev_sibling_c = n._root->prev_sibling_c;
-		
-		if (n._root->prev_sibling_c->next_sibling) n._root->prev_sibling_c->next_sibling = n._root->next_sibling;
-		else _root->first_child = n._root->next_sibling;
-		
-		impl::destroy_node(n._root, impl::get_allocator(_root));
-
-		return true;
-	}
-
-	PUGI__FN xml_node xml_node::find_child_by_attribute(const char_t* name_, const char_t* attr_name, const char_t* attr_value) const
-	{
-		if (!_root) return xml_node();
-		
-		for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
-			if (i->name && impl::strequal(name_, i->name))
-			{
-				for (xml_attribute_struct* a = i->first_attribute; a; a = a->next_attribute)
-					if (impl::strequal(attr_name, a->name) && impl::strequal(attr_value, a->value))
-						return xml_node(i);
-			}
-
-		return xml_node();
-	}
-
-	PUGI__FN xml_node xml_node::find_child_by_attribute(const char_t* attr_name, const char_t* attr_value) const
-	{
-		if (!_root) return xml_node();
-		
-		for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
-			for (xml_attribute_struct* a = i->first_attribute; a; a = a->next_attribute)
-				if (impl::strequal(attr_name, a->name) && impl::strequal(attr_value, a->value))
-					return xml_node(i);
-
-		return xml_node();
-	}
-
-#ifndef PUGIXML_NO_STL
-	PUGI__FN string_t xml_node::path(char_t delimiter) const
-	{
-		xml_node cursor = *this; // Make a copy.
-		
-		string_t result = cursor.name();
-
-		while (cursor.parent())
-		{
-			cursor = cursor.parent();
-			
-			string_t temp = cursor.name();
-			temp += delimiter;
-			temp += result;
-			result.swap(temp);
-		}
-
-		return result;
-	}
-#endif
-
-	PUGI__FN xml_node xml_node::first_element_by_path(const char_t* path_, char_t delimiter) const
-	{
-		xml_node found = *this; // Current search context.
-
-		if (!_root || !path_ || !path_[0]) return found;
-
-		if (path_[0] == delimiter)
-		{
-			// Absolute path; e.g. '/foo/bar'
-			found = found.root();
-			++path_;
-		}
-
-		const char_t* path_segment = path_;
-
-		while (*path_segment == delimiter) ++path_segment;
-
-		const char_t* path_segment_end = path_segment;
-
-		while (*path_segment_end && *path_segment_end != delimiter) ++path_segment_end;
-
-		if (path_segment == path_segment_end) return found;
-
-		const char_t* next_segment = path_segment_end;
-
-		while (*next_segment == delimiter) ++next_segment;
-
-		if (*path_segment == '.' && path_segment + 1 == path_segment_end)
-			return found.first_element_by_path(next_segment, delimiter);
-		else if (*path_segment == '.' && *(path_segment+1) == '.' && path_segment + 2 == path_segment_end)
-			return found.parent().first_element_by_path(next_segment, delimiter);
-		else
-		{
-			for (xml_node_struct* j = found._root->first_child; j; j = j->next_sibling)
-			{
-				if (j->name && impl::strequalrange(j->name, path_segment, static_cast<size_t>(path_segment_end - path_segment)))
-				{
-					xml_node subsearch = xml_node(j).first_element_by_path(next_segment, delimiter);
-
-					if (subsearch) return subsearch;
-				}
-			}
-
-			return xml_node();
-		}
-	}
-
-	PUGI__FN bool xml_node::traverse(xml_tree_walker& walker)
-	{
-		walker._depth = -1;
-		
-		xml_node arg_begin = *this;
-		if (!walker.begin(arg_begin)) return false;
-
-		xml_node cur = first_child();
-				
-		if (cur)
-		{
-			++walker._depth;
-
-			do 
-			{
-				xml_node arg_for_each = cur;
-				if (!walker.for_each(arg_for_each))
-					return false;
-						
-				if (cur.first_child())
-				{
-					++walker._depth;
-					cur = cur.first_child();
-				}
-				else if (cur.next_sibling())
-					cur = cur.next_sibling();
-				else
-				{
-					// Borland C++ workaround
-					while (!cur.next_sibling() && cur != *this && !cur.parent().empty())
-					{
-						--walker._depth;
-						cur = cur.parent();
-					}
-						
-					if (cur != *this)
-						cur = cur.next_sibling();
-				}
-			}
-			while (cur && cur != *this);
-		}
-
-		assert(walker._depth == -1);
-
-		xml_node arg_end = *this;
-		return walker.end(arg_end);
-	}
-
-	PUGI__FN size_t xml_node::hash_value() const
-	{
-		return static_cast<size_t>(reinterpret_cast<uintptr_t>(_root) / sizeof(xml_node_struct));
-	}
-
-	PUGI__FN xml_node_struct* xml_node::internal_object() const
-	{
-		return _root;
-	}
-
-	PUGI__FN void xml_node::print(xml_writer& writer, const char_t* indent, unsigned int flags, xml_encoding encoding, unsigned int depth) const
-	{
-		if (!_root) return;
-
-		impl::xml_buffered_writer buffered_writer(writer, encoding);
-
-		impl::node_output(buffered_writer, *this, indent, flags, depth);
-	}
-
-#ifndef PUGIXML_NO_STL
-	PUGI__FN void xml_node::print(std::basic_ostream<char, std::char_traits<char> >& stream, const char_t* indent, unsigned int flags, xml_encoding encoding, unsigned int depth) const
-	{
-		xml_writer_stream writer(stream);
-
-		print(writer, indent, flags, encoding, depth);
-	}
-
-	PUGI__FN void xml_node::print(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream, const char_t* indent, unsigned int flags, unsigned int depth) const
-	{
-		xml_writer_stream writer(stream);
-
-		print(writer, indent, flags, encoding_wchar, depth);
-	}
-#endif
-
-	PUGI__FN ptrdiff_t xml_node::offset_debug() const
-	{
-		xml_node_struct* r = root()._root;
-
-		if (!r) return -1;
-
-		const char_t* buffer = static_cast<impl::xml_document_struct*>(r)->buffer;
-
-		if (!buffer) return -1;
-
-		switch (type())
-		{
-		case node_document:
-			return 0;
-
-		case node_element:
-		case node_declaration:
-		case node_pi:
-			return (_root->header & impl::xml_memory_page_name_allocated_mask) ? -1 : _root->name - buffer;
-
-		case node_pcdata:
-		case node_cdata:
-		case node_comment:
-		case node_doctype:
-			return (_root->header & impl::xml_memory_page_value_allocated_mask) ? -1 : _root->value - buffer;
-
-		default:
-			return -1;
-		}
-	}
-
-#ifdef __BORLANDC__
-	PUGI__FN bool operator&&(const xml_node& lhs, bool rhs)
-	{
-		return (bool)lhs && rhs;
-	}
-
-	PUGI__FN bool operator||(const xml_node& lhs, bool rhs)
-	{
-		return (bool)lhs || rhs;
-	}
-#endif
-
-	PUGI__FN xml_text::xml_text(xml_node_struct* root): _root(root)
-	{
-	}
-
-	PUGI__FN xml_node_struct* xml_text::_data() const
-	{
-		if (!_root || impl::is_text_node(_root)) return _root;
-
-		for (xml_node_struct* node = _root->first_child; node; node = node->next_sibling)
-			if (impl::is_text_node(node))
-				return node;
-
-		return 0;
-	}
-
-	PUGI__FN xml_node_struct* xml_text::_data_new()
-	{
-		xml_node_struct* d = _data();
-		if (d) return d;
-
-		return xml_node(_root).append_child(node_pcdata).internal_object();
-	}
-
-	PUGI__FN xml_text::xml_text(): _root(0)
-	{
-	}
-
-	PUGI__FN static void unspecified_bool_xml_text(xml_text***)
-	{
-	}
-
-	PUGI__FN xml_text::operator xml_text::unspecified_bool_type() const
-	{
-		return _data() ? unspecified_bool_xml_text : 0;
-	}
-
-	PUGI__FN bool xml_text::operator!() const
-	{
-		return !_data();
-	}
-
-	PUGI__FN bool xml_text::empty() const
-	{
-		return _data() == 0;
-	}
-
-	PUGI__FN const char_t* xml_text::get() const
-	{
-		xml_node_struct* d = _data();
-
-		return (d && d->value) ? d->value : PUGIXML_TEXT("");
-	}
-
-	PUGI__FN const char_t* xml_text::as_string(const char_t* def) const
-	{
-		xml_node_struct* d = _data();
-
-		return (d && d->value) ? d->value : def;
-	}
-
-	PUGI__FN int xml_text::as_int(int def) const
-	{
-		xml_node_struct* d = _data();
-
-		return impl::get_value_int(d ? d->value : 0, def);
-	}
-
-	PUGI__FN unsigned int xml_text::as_uint(unsigned int def) const
-	{
-		xml_node_struct* d = _data();
-
-		return impl::get_value_uint(d ? d->value : 0, def);
-	}
-
-	PUGI__FN double xml_text::as_double(double def) const
-	{
-		xml_node_struct* d = _data();
-
-		return impl::get_value_double(d ? d->value : 0, def);
-	}
-
-	PUGI__FN float xml_text::as_float(float def) const
-	{
-		xml_node_struct* d = _data();
-
-		return impl::get_value_float(d ? d->value : 0, def);
-	}
-
-	PUGI__FN bool xml_text::as_bool(bool def) const
-	{
-		xml_node_struct* d = _data();
-
-		return impl::get_value_bool(d ? d->value : 0, def);
-	}
-
-	PUGI__FN bool xml_text::set(const char_t* rhs)
-	{
-		xml_node_struct* dn = _data_new();
-
-		return dn ? impl::strcpy_insitu(dn->value, dn->header, impl::xml_memory_page_value_allocated_mask, rhs) : false;
-	}
-
-	PUGI__FN bool xml_text::set(int rhs)
-	{
-		xml_node_struct* dn = _data_new();
-
-		return dn ? impl::set_value_convert(dn->value, dn->header, impl::xml_memory_page_value_allocated_mask, rhs) : false;
-	}
-
-	PUGI__FN bool xml_text::set(unsigned int rhs)
-	{
-		xml_node_struct* dn = _data_new();
-
-		return dn ? impl::set_value_convert(dn->value, dn->header, impl::xml_memory_page_value_allocated_mask, rhs) : false;
-	}
-
-	PUGI__FN bool xml_text::set(double rhs)
-	{
-		xml_node_struct* dn = _data_new();
-
-		return dn ? impl::set_value_convert(dn->value, dn->header, impl::xml_memory_page_value_allocated_mask, rhs) : false;
-	}
-
-	PUGI__FN bool xml_text::set(bool rhs)
-	{
-		xml_node_struct* dn = _data_new();
-
-		return dn ? impl::set_value_convert(dn->value, dn->header, impl::xml_memory_page_value_allocated_mask, rhs) : false;
-	}
-
-	PUGI__FN xml_text& xml_text::operator=(const char_t* rhs)
-	{
-		set(rhs);
-		return *this;
-	}
-
-	PUGI__FN xml_text& xml_text::operator=(int rhs)
-	{
-		set(rhs);
-		return *this;
-	}
-
-	PUGI__FN xml_text& xml_text::operator=(unsigned int rhs)
-	{
-		set(rhs);
-		return *this;
-	}
-
-	PUGI__FN xml_text& xml_text::operator=(double rhs)
-	{
-		set(rhs);
-		return *this;
-	}
-
-	PUGI__FN xml_text& xml_text::operator=(bool rhs)
-	{
-		set(rhs);
-		return *this;
-	}
-
-	PUGI__FN xml_node xml_text::data() const
-	{
-		return xml_node(_data());
-	}
-
-#ifdef __BORLANDC__
-	PUGI__FN bool operator&&(const xml_text& lhs, bool rhs)
-	{
-		return (bool)lhs && rhs;
-	}
-
-	PUGI__FN bool operator||(const xml_text& lhs, bool rhs)
-	{
-		return (bool)lhs || rhs;
-	}
-#endif
-
-	PUGI__FN xml_node_iterator::xml_node_iterator()
-	{
-	}
-
-	PUGI__FN xml_node_iterator::xml_node_iterator(const xml_node& node): _wrap(node), _parent(node.parent())
-	{
-	}
-
-	PUGI__FN xml_node_iterator::xml_node_iterator(xml_node_struct* ref, xml_node_struct* parent): _wrap(ref), _parent(parent)
-	{
-	}
-
-	PUGI__FN bool xml_node_iterator::operator==(const xml_node_iterator& rhs) const
-	{
-		return _wrap._root == rhs._wrap._root && _parent._root == rhs._parent._root;
-	}
-	
-	PUGI__FN bool xml_node_iterator::operator!=(const xml_node_iterator& rhs) const
-	{
-		return _wrap._root != rhs._wrap._root || _parent._root != rhs._parent._root;
-	}
-
-	PUGI__FN xml_node& xml_node_iterator::operator*() const
-	{
-		assert(_wrap._root);
-		return _wrap;
-	}
-
-	PUGI__FN xml_node* xml_node_iterator::operator->() const
-	{
-		assert(_wrap._root);
-		return const_cast<xml_node*>(&_wrap); // BCC32 workaround
-	}
-
-	PUGI__FN const xml_node_iterator& xml_node_iterator::operator++()
-	{
-		assert(_wrap._root);
-		_wrap._root = _wrap._root->next_sibling;
-		return *this;
-	}
-
-	PUGI__FN xml_node_iterator xml_node_iterator::operator++(int)
-	{
-		xml_node_iterator temp = *this;
-		++*this;
-		return temp;
-	}
-
-	PUGI__FN const xml_node_iterator& xml_node_iterator::operator--()
-	{
-		_wrap = _wrap._root ? _wrap.previous_sibling() : _parent.last_child();
-		return *this;
-	}
-
-	PUGI__FN xml_node_iterator xml_node_iterator::operator--(int)
-	{
-		xml_node_iterator temp = *this;
-		--*this;
-		return temp;
-	}
-
-	PUGI__FN xml_attribute_iterator::xml_attribute_iterator()
-	{
-	}
-
-	PUGI__FN xml_attribute_iterator::xml_attribute_iterator(const xml_attribute& attr, const xml_node& parent): _wrap(attr), _parent(parent)
-	{
-	}
-
-	PUGI__FN xml_attribute_iterator::xml_attribute_iterator(xml_attribute_struct* ref, xml_node_struct* parent): _wrap(ref), _parent(parent)
-	{
-	}
-
-	PUGI__FN bool xml_attribute_iterator::operator==(const xml_attribute_iterator& rhs) const
-	{
-		return _wrap._attr == rhs._wrap._attr && _parent._root == rhs._parent._root;
-	}
-	
-	PUGI__FN bool xml_attribute_iterator::operator!=(const xml_attribute_iterator& rhs) const
-	{
-		return _wrap._attr != rhs._wrap._attr || _parent._root != rhs._parent._root;
-	}
-
-	PUGI__FN xml_attribute& xml_attribute_iterator::operator*() const
-	{
-		assert(_wrap._attr);
-		return _wrap;
-	}
-
-	PUGI__FN xml_attribute* xml_attribute_iterator::operator->() const
-	{
-		assert(_wrap._attr);
-		return const_cast<xml_attribute*>(&_wrap); // BCC32 workaround
-	}
-
-	PUGI__FN const xml_attribute_iterator& xml_attribute_iterator::operator++()
-	{
-		assert(_wrap._attr);
-		_wrap._attr = _wrap._attr->next_attribute;
-		return *this;
-	}
-
-	PUGI__FN xml_attribute_iterator xml_attribute_iterator::operator++(int)
-	{
-		xml_attribute_iterator temp = *this;
-		++*this;
-		return temp;
-	}
-
-	PUGI__FN const xml_attribute_iterator& xml_attribute_iterator::operator--()
-	{
-		_wrap = _wrap._attr ? _wrap.previous_attribute() : _parent.last_attribute();
-		return *this;
-	}
-
-	PUGI__FN xml_attribute_iterator xml_attribute_iterator::operator--(int)
-	{
-		xml_attribute_iterator temp = *this;
-		--*this;
-		return temp;
-	}
-
-	PUGI__FN xml_named_node_iterator::xml_named_node_iterator(): _name(0)
-	{
-	}
-
-	PUGI__FN xml_named_node_iterator::xml_named_node_iterator(const xml_node& node, const char_t* name): _node(node), _name(name)
-	{
-	}
-
-	PUGI__FN bool xml_named_node_iterator::operator==(const xml_named_node_iterator& rhs) const
-	{
-		return _node == rhs._node;
-	}
-
-	PUGI__FN bool xml_named_node_iterator::operator!=(const xml_named_node_iterator& rhs) const
-	{
-		return _node != rhs._node;
-	}
-
-	PUGI__FN xml_node& xml_named_node_iterator::operator*() const
-	{
-		assert(_node._root);
-		return _node;
-	}
-
-	PUGI__FN xml_node* xml_named_node_iterator::operator->() const
-	{
-		assert(_node._root);
-		return const_cast<xml_node*>(&_node); // BCC32 workaround
-	}
-
-	PUGI__FN const xml_named_node_iterator& xml_named_node_iterator::operator++()
-	{
-		assert(_node._root);
-		_node = _node.next_sibling(_name);
-		return *this;
-	}
-
-	PUGI__FN xml_named_node_iterator xml_named_node_iterator::operator++(int)
-	{
-		xml_named_node_iterator temp = *this;
-		++*this;
-		return temp;
-	}
-
-	PUGI__FN xml_parse_result::xml_parse_result(): status(status_internal_error), offset(0), encoding(encoding_auto)
-	{
-	}
-
-	PUGI__FN xml_parse_result::operator bool() const
-	{
-		return status == status_ok;
-	}
-
-	PUGI__FN const char* xml_parse_result::description() const
-	{
-		switch (status)
-		{
-		case status_ok: return "No error";
-
-		case status_file_not_found: return "File was not found";
-		case status_io_error: return "Error reading from file/stream";
-		case status_out_of_memory: return "Could not allocate memory";
-		case status_internal_error: return "Internal error occurred";
-
-		case status_unrecognized_tag: return "Could not determine tag type";
-
-		case status_bad_pi: return "Error parsing document declaration/processing instruction";
-		case status_bad_comment: return "Error parsing comment";
-		case status_bad_cdata: return "Error parsing CDATA section";
-		case status_bad_doctype: return "Error parsing document type declaration";
-		case status_bad_pcdata: return "Error parsing PCDATA section";
-		case status_bad_start_element: return "Error parsing start element tag";
-		case status_bad_attribute: return "Error parsing element attribute";
-		case status_bad_end_element: return "Error parsing end element tag";
-		case status_end_element_mismatch: return "Start-end tags mismatch";
-
-		default: return "Unknown error";
-		}
-	}
-
-	PUGI__FN xml_document::xml_document(): _buffer(0)
-	{
-		create();
-	}
-
-	PUGI__FN xml_document::~xml_document()
-	{
-		destroy();
-	}
-
-	PUGI__FN void xml_document::reset()
-	{
-		destroy();
-		create();
-	}
-
-	PUGI__FN void xml_document::reset(const xml_document& proto)
-	{
-		reset();
-
-		for (xml_node cur = proto.first_child(); cur; cur = cur.next_sibling())
-			append_copy(cur);
-	}
-
-	PUGI__FN void xml_document::create()
-	{
-		// initialize sentinel page
-		PUGI__STATIC_ASSERT(offsetof(impl::xml_memory_page, data) + sizeof(impl::xml_document_struct) + impl::xml_memory_page_alignment <= sizeof(_memory));
-
-		// align upwards to page boundary
-		void* page_memory = reinterpret_cast<void*>((reinterpret_cast<uintptr_t>(_memory) + (impl::xml_memory_page_alignment - 1)) & ~(impl::xml_memory_page_alignment - 1));
-
-		// prepare page structure
-		impl::xml_memory_page* page = impl::xml_memory_page::construct(page_memory);
-
-		page->busy_size = impl::xml_memory_page_size;
-
-		// allocate new root
-		_root = new (page->data) impl::xml_document_struct(page);
-		_root->prev_sibling_c = _root;
-
-		// setup sentinel page
-		page->allocator = static_cast<impl::xml_document_struct*>(_root);
-	}
-
-	PUGI__FN void xml_document::destroy()
-	{
-		// destroy static storage
-		if (_buffer)
-		{
-			impl::xml_memory::deallocate(_buffer);
-			_buffer = 0;
-		}
-
-		// destroy dynamic storage, leave sentinel page (it's in static memory)
-		if (_root)
-		{
-			impl::xml_memory_page* root_page = reinterpret_cast<impl::xml_memory_page*>(_root->header & impl::xml_memory_page_pointer_mask);
-			assert(root_page && !root_page->prev && !root_page->memory);
-
-			// destroy all pages
-			for (impl::xml_memory_page* page = root_page->next; page; )
-			{
-				impl::xml_memory_page* next = page->next;
-
-				impl::xml_allocator::deallocate_page(page);
-
-				page = next;
-			}
-
-			// cleanup root page
-			root_page->allocator = 0;
-			root_page->next = 0;
-			root_page->busy_size = root_page->freed_size = 0;
-
-			_root = 0;
-		}
-	}
-
-#ifndef PUGIXML_NO_STL
-	PUGI__FN xml_parse_result xml_document::load(std::basic_istream<char, std::char_traits<char> >& stream, unsigned int options, xml_encoding encoding)
-	{
-		reset();
-
-		return impl::load_stream_impl(*this, stream, options, encoding);
-	}
-
-	PUGI__FN xml_parse_result xml_document::load(std::basic_istream<wchar_t, std::char_traits<wchar_t> >& stream, unsigned int options)
-	{
-		reset();
-
-		return impl::load_stream_impl(*this, stream, options, encoding_wchar);
-	}
-#endif
-
-	PUGI__FN xml_parse_result xml_document::load(const char_t* contents, unsigned int options)
-	{
-		// Force native encoding (skip autodetection)
-	#ifdef PUGIXML_WCHAR_MODE
-		xml_encoding encoding = encoding_wchar;
-	#else
-		xml_encoding encoding = encoding_utf8;
-	#endif
-
-		return load_buffer(contents, impl::strlength(contents) * sizeof(char_t), options, encoding);
-	}
-
-	PUGI__FN xml_parse_result xml_document::load_file(const char* path_, unsigned int options, xml_encoding encoding)
-	{
-		reset();
-
-		FILE* file = fopen(path_, "rb");
-
-		return impl::load_file_impl(*this, file, options, encoding);
-	}
-
-	PUGI__FN xml_parse_result xml_document::load_file(const wchar_t* path_, unsigned int options, xml_encoding encoding)
-	{
-		reset();
-
-		FILE* file = impl::open_file_wide(path_, L"rb");
-
-		return impl::load_file_impl(*this, file, options, encoding);
-	}
-
-	PUGI__FN xml_parse_result xml_document::load_buffer_impl(void* contents, size_t size, unsigned int options, xml_encoding encoding, bool is_mutable, bool own)
-	{
-		reset();
-
-		// check input buffer
-		assert(contents || size == 0);
-
-		// get actual encoding
-		xml_encoding buffer_encoding = impl::get_buffer_encoding(encoding, contents, size);
-
-		// get private buffer
-		char_t* buffer = 0;
-		size_t length = 0;
-
-		if (!impl::convert_buffer(buffer, length, buffer_encoding, contents, size, is_mutable)) return impl::make_parse_result(status_out_of_memory);
-		
-		// delete original buffer if we performed a conversion
-		if (own && buffer != contents && contents) impl::xml_memory::deallocate(contents);
-
-		// parse
-		xml_parse_result res = impl::xml_parser::parse(buffer, length, _root, options);
-
-		// remember encoding
-		res.encoding = buffer_encoding;
-
-		// grab onto buffer if it's our buffer, user is responsible for deallocating contens himself
-		if (own || buffer != contents) _buffer = buffer;
-
-		return res;
-	}
-
-	PUGI__FN xml_parse_result xml_document::load_buffer(const void* contents, size_t size, unsigned int options, xml_encoding encoding)
-	{
-		return load_buffer_impl(const_cast<void*>(contents), size, options, encoding, false, false);
-	}
-
-	PUGI__FN xml_parse_result xml_document::load_buffer_inplace(void* contents, size_t size, unsigned int options, xml_encoding encoding)
-	{
-		return load_buffer_impl(contents, size, options, encoding, true, false);
-	}
-		
-	PUGI__FN xml_parse_result xml_document::load_buffer_inplace_own(void* contents, size_t size, unsigned int options, xml_encoding encoding)
-	{
-		return load_buffer_impl(contents, size, options, encoding, true, true);
-	}
-
-	PUGI__FN void xml_document::save(xml_writer& writer, const char_t* indent, unsigned int flags, xml_encoding encoding) const
-	{
-		impl::xml_buffered_writer buffered_writer(writer, encoding);
-
-		if ((flags & format_write_bom) && encoding != encoding_latin1)
-		{
-			// BOM always represents the codepoint U+FEFF, so just write it in native encoding
-		#ifdef PUGIXML_WCHAR_MODE
-			unsigned int bom = 0xfeff;
-			buffered_writer.write(static_cast<wchar_t>(bom));
-		#else
-			buffered_writer.write('\xef', '\xbb', '\xbf');
-		#endif
-		}
-
-		if (!(flags & format_no_declaration) && !impl::has_declaration(*this))
-		{
-			buffered_writer.write(PUGIXML_TEXT("<?xml version=\"1.0\""));
-			if (encoding == encoding_latin1) buffered_writer.write(PUGIXML_TEXT(" encoding=\"ISO-8859-1\""));
-			buffered_writer.write('?', '>');
-			if (!(flags & format_raw)) buffered_writer.write('\n');
-		}
-
-		impl::node_output(buffered_writer, *this, indent, flags, 0);
-	}
-
-#ifndef PUGIXML_NO_STL
-	PUGI__FN void xml_document::save(std::basic_ostream<char, std::char_traits<char> >& stream, const char_t* indent, unsigned int flags, xml_encoding encoding) const
-	{
-		xml_writer_stream writer(stream);
-
-		save(writer, indent, flags, encoding);
-	}
-
-	PUGI__FN void xml_document::save(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream, const char_t* indent, unsigned int flags) const
-	{
-		xml_writer_stream writer(stream);
-
-		save(writer, indent, flags, encoding_wchar);
-	}
-#endif
-
-	PUGI__FN bool xml_document::save_file(const char* path_, const char_t* indent, unsigned int flags, xml_encoding encoding) const
-	{
-		FILE* file = fopen(path_, (flags & format_save_file_text) ? "w" : "wb");
-		return impl::save_file_impl(*this, file, indent, flags, encoding);
-	}
-
-	PUGI__FN bool xml_document::save_file(const wchar_t* path_, const char_t* indent, unsigned int flags, xml_encoding encoding) const
-	{
-		FILE* file = impl::open_file_wide(path_, (flags & format_save_file_text) ? L"w" : L"wb");
-		return impl::save_file_impl(*this, file, indent, flags, encoding);
-	}
-
-	PUGI__FN xml_node xml_document::document_element() const
-	{
-		for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
-			if ((i->header & impl::xml_memory_page_type_mask) + 1 == node_element)
-				return xml_node(i);
-
-		return xml_node();
-	}
-
-#ifndef PUGIXML_NO_STL
-	PUGI__FN std::string PUGIXML_FUNCTION as_utf8(const wchar_t* str)
-	{
-		assert(str);
-
-		return impl::as_utf8_impl(str, wcslen(str));
-	}
-
-	PUGI__FN std::string PUGIXML_FUNCTION as_utf8(const std::basic_string<wchar_t>& str)
-	{
-		return impl::as_utf8_impl(str.c_str(), str.size());
-	}
-	
-	PUGI__FN std::basic_string<wchar_t> PUGIXML_FUNCTION as_wide(const char* str)
-	{
-		assert(str);
-
-		return impl::as_wide_impl(str, strlen(str));
-	}
-	
-	PUGI__FN std::basic_string<wchar_t> PUGIXML_FUNCTION as_wide(const std::string& str)
-	{
-		return impl::as_wide_impl(str.c_str(), str.size());
-	}
-#endif
-
-	PUGI__FN void PUGIXML_FUNCTION set_memory_management_functions(allocation_function allocate, deallocation_function deallocate)
-	{
-		impl::xml_memory::allocate = allocate;
-		impl::xml_memory::deallocate = deallocate;
-	}
-
-	PUGI__FN allocation_function PUGIXML_FUNCTION get_memory_allocation_function()
-	{
-		return impl::xml_memory::allocate;
-	}
-
-	PUGI__FN deallocation_function PUGIXML_FUNCTION get_memory_deallocation_function()
-	{
-		return impl::xml_memory::deallocate;
-	}
-}
-
-#if !defined(PUGIXML_NO_STL) && (defined(_MSC_VER) || defined(__ICC))
-namespace std
-{
-	// Workarounds for (non-standard) iterator category detection for older versions (MSVC7/IC8 and earlier)
-	PUGI__FN std::bidirectional_iterator_tag _Iter_cat(const pugi::xml_node_iterator&)
-	{
-		return std::bidirectional_iterator_tag();
-	}
-
-	PUGI__FN std::bidirectional_iterator_tag _Iter_cat(const pugi::xml_attribute_iterator&)
-	{
-		return std::bidirectional_iterator_tag();
-	}
-
-	PUGI__FN std::forward_iterator_tag _Iter_cat(const pugi::xml_named_node_iterator&)
-	{
-		return std::forward_iterator_tag();
-	}
-}
-#endif
-
-#if !defined(PUGIXML_NO_STL) && defined(__SUNPRO_CC)
-namespace std
-{
-	// Workarounds for (non-standard) iterator category detection
-	PUGI__FN std::bidirectional_iterator_tag __iterator_category(const pugi::xml_node_iterator&)
-	{
-		return std::bidirectional_iterator_tag();
-	}
-
-	PUGI__FN std::bidirectional_iterator_tag __iterator_category(const pugi::xml_attribute_iterator&)
-	{
-		return std::bidirectional_iterator_tag();
-	}
-
-	PUGI__FN std::forward_iterator_tag __iterator_category(const pugi::xml_named_node_iterator&)
-	{
-		return std::forward_iterator_tag();
-	}
-}
-#endif
-
-#ifndef PUGIXML_NO_XPATH
-
-// STL replacements
-PUGI__NS_BEGIN
-	struct equal_to
-	{
-		template <typename T> bool operator()(const T& lhs, const T& rhs) const
-		{
-			return lhs == rhs;
-		}
-	};
-
-	struct not_equal_to
-	{
-		template <typename T> bool operator()(const T& lhs, const T& rhs) const
-		{
-			return lhs != rhs;
-		}
-	};
-
-	struct less
-	{
-		template <typename T> bool operator()(const T& lhs, const T& rhs) const
-		{
-			return lhs < rhs;
-		}
-	};
-
-	struct less_equal
-	{
-		template <typename T> bool operator()(const T& lhs, const T& rhs) const
-		{
-			return lhs <= rhs;
-		}
-	};
-
-	template <typename T> void swap(T& lhs, T& rhs)
-	{
-		T temp = lhs;
-		lhs = rhs;
-		rhs = temp;
-	}
-
-	template <typename I, typename Pred> I min_element(I begin, I end, const Pred& pred)
-	{
-		I result = begin;
-
-		for (I it = begin + 1; it != end; ++it)
-			if (pred(*it, *result))
-				result = it;
-
-		return result;
-	}
-
-	template <typename I> void reverse(I begin, I end)
-	{
-		while (begin + 1 < end) swap(*begin++, *--end);
-	}
-
-	template <typename I> I unique(I begin, I end)
-	{
-		// fast skip head
-		while (begin + 1 < end && *begin != *(begin + 1)) begin++;
-
-		if (begin == end) return begin;
-
-		// last written element
-		I write = begin++; 
-
-		// merge unique elements
-		while (begin != end)
-		{
-			if (*begin != *write)
-				*++write = *begin++;
-			else
-				begin++;
-		}
-
-		// past-the-end (write points to live element)
-		return write + 1;
-	}
-
-	template <typename I> void copy_backwards(I begin, I end, I target)
-	{
-		while (begin != end) *--target = *--end;
-	}
-
-	template <typename I, typename Pred, typename T> void insertion_sort(I begin, I end, const Pred& pred, T*)
-	{
-		assert(begin != end);
-
-		for (I it = begin + 1; it != end; ++it)
-		{
-			T val = *it;
-
-			if (pred(val, *begin))
-			{
-				// move to front
-				copy_backwards(begin, it, it + 1);
-				*begin = val;
-			}
-			else
-			{
-				I hole = it;
-
-				// move hole backwards
-				while (pred(val, *(hole - 1)))
-				{
-					*hole = *(hole - 1);
-					hole--;
-				}
-
-				// fill hole with element
-				*hole = val;
-			}
-		}
-	}
-
-	// std variant for elements with ==
-	template <typename I, typename Pred> void partition(I begin, I middle, I end, const Pred& pred, I* out_eqbeg, I* out_eqend)
-	{
-		I eqbeg = middle, eqend = middle + 1;
-
-		// expand equal range
-		while (eqbeg != begin && *(eqbeg - 1) == *eqbeg) --eqbeg;
-		while (eqend != end && *eqend == *eqbeg) ++eqend;
-
-		// process outer elements
-		I ltend = eqbeg, gtbeg = eqend;
-
-		for (;;)
-		{
-			// find the element from the right side that belongs to the left one
-			for (; gtbeg != end; ++gtbeg)
-				if (!pred(*eqbeg, *gtbeg))
-				{
-					if (*gtbeg == *eqbeg) swap(*gtbeg, *eqend++);
-					else break;
-				}
-
-			// find the element from the left side that belongs to the right one
-			for (; ltend != begin; --ltend)
-				if (!pred(*(ltend - 1), *eqbeg))
-				{
-					if (*eqbeg == *(ltend - 1)) swap(*(ltend - 1), *--eqbeg);
-					else break;
-				}
-
-			// scanned all elements
-			if (gtbeg == end && ltend == begin)
-			{
-				*out_eqbeg = eqbeg;
-				*out_eqend = eqend;
-				return;
-			}
-
-			// make room for elements by moving equal area
-			if (gtbeg == end)
-			{
-				if (--ltend != --eqbeg) swap(*ltend, *eqbeg);
-				swap(*eqbeg, *--eqend);
-			}
-			else if (ltend == begin)
-			{
-				if (eqend != gtbeg) swap(*eqbeg, *eqend);
-				++eqend;
-				swap(*gtbeg++, *eqbeg++);
-			}
-			else swap(*gtbeg++, *--ltend);
-		}
-	}
-
-	template <typename I, typename Pred> void median3(I first, I middle, I last, const Pred& pred)
-	{
-		if (pred(*middle, *first)) swap(*middle, *first);
-		if (pred(*last, *middle)) swap(*last, *middle);
-		if (pred(*middle, *first)) swap(*middle, *first);
-	}
-
-	template <typename I, typename Pred> void median(I first, I middle, I last, const Pred& pred)
-	{
-		if (last - first <= 40)
-		{
-			// median of three for small chunks
-			median3(first, middle, last, pred);
-		}
-		else
-		{
-			// median of nine
-			size_t step = (last - first + 1) / 8;
-
-			median3(first, first + step, first + 2 * step, pred);
-			median3(middle - step, middle, middle + step, pred);
-			median3(last - 2 * step, last - step, last, pred);
-			median3(first + step, middle, last - step, pred);
-		}
-	}
-
-	template <typename I, typename Pred> void sort(I begin, I end, const Pred& pred)
-	{
-		// sort large chunks
-		while (end - begin > 32)
-		{
-			// find median element
-			I middle = begin + (end - begin) / 2;
-			median(begin, middle, end - 1, pred);
-
-			// partition in three chunks (< = >)
-			I eqbeg, eqend;
-			partition(begin, middle, end, pred, &eqbeg, &eqend);
-
-			// loop on larger half
-			if (eqbeg - begin > end - eqend)
-			{
-				sort(eqend, end, pred);
-				end = eqbeg;
-			}
-			else
-			{
-				sort(begin, eqbeg, pred);
-				begin = eqend;
-			}
-		}
-
-		// insertion sort small chunk
-		if (begin != end) insertion_sort(begin, end, pred, &*begin);
-	}
-PUGI__NS_END
-
-// Allocator used for AST and evaluation stacks
-PUGI__NS_BEGIN
-	struct xpath_memory_block
-	{	
-		xpath_memory_block* next;
-
-		char data[
-	#ifdef PUGIXML_MEMORY_XPATH_PAGE_SIZE
-			PUGIXML_MEMORY_XPATH_PAGE_SIZE
-	#else
-			4096
-	#endif
-		];
-	};
-		
-	class xpath_allocator
-	{
-		xpath_memory_block* _root;
-		size_t _root_size;
-
-	public:
-	#ifdef PUGIXML_NO_EXCEPTIONS
-		jmp_buf* error_handler;
-	#endif
-
-		xpath_allocator(xpath_memory_block* root, size_t root_size = 0): _root(root), _root_size(root_size)
-		{
-		#ifdef PUGIXML_NO_EXCEPTIONS
-			error_handler = 0;
-		#endif
-		}
-		
-		void* allocate_nothrow(size_t size)
-		{
-			const size_t block_capacity = sizeof(_root->data);
-
-			// align size so that we're able to store pointers in subsequent blocks
-			size = (size + sizeof(void*) - 1) & ~(sizeof(void*) - 1);
-
-			if (_root_size + size <= block_capacity)
-			{
-				void* buf = _root->data + _root_size;
-				_root_size += size;
-				return buf;
-			}
-			else
-			{
-				size_t block_data_size = (size > block_capacity) ? size : block_capacity;
-				size_t block_size = block_data_size + offsetof(xpath_memory_block, data);
-
-				xpath_memory_block* block = static_cast<xpath_memory_block*>(xml_memory::allocate(block_size));
-				if (!block) return 0;
-				
-				block->next = _root;
-				
-				_root = block;
-				_root_size = size;
-				
-				return block->data;
-			}
-		}
-
-		void* allocate(size_t size)
-		{
-			void* result = allocate_nothrow(size);
-
-			if (!result)
-			{
-			#ifdef PUGIXML_NO_EXCEPTIONS
-				assert(error_handler);
-				longjmp(*error_handler, 1);
-			#else
-				throw std::bad_alloc();
-			#endif
-			}
-
-			return result;
-		}
-
-		void* reallocate(void* ptr, size_t old_size, size_t new_size)
-		{
-			// align size so that we're able to store pointers in subsequent blocks
-			old_size = (old_size + sizeof(void*) - 1) & ~(sizeof(void*) - 1);
-			new_size = (new_size + sizeof(void*) - 1) & ~(sizeof(void*) - 1);
-
-			// we can only reallocate the last object
-			assert(ptr == 0 || static_cast<char*>(ptr) + old_size == _root->data + _root_size);
-
-			// adjust root size so that we have not allocated the object at all
-			bool only_object = (_root_size == old_size);
-
-			if (ptr) _root_size -= old_size;
-
-			// allocate a new version (this will obviously reuse the memory if possible)
-			void* result = allocate(new_size);
-			assert(result);
-
-			// we have a new block
-			if (result != ptr && ptr)
-			{
-				// copy old data
-				assert(new_size > old_size);
-				memcpy(result, ptr, old_size);
-
-				// free the previous page if it had no other objects
-				if (only_object)
-				{
-					assert(_root->data == result);
-					assert(_root->next);
-
-					xpath_memory_block* next = _root->next->next;
-
-					if (next)
-					{
-						// deallocate the whole page, unless it was the first one
-						xml_memory::deallocate(_root->next);
-						_root->next = next;
-					}
-				}
-			}
-
-			return result;
-		}
-
-		void revert(const xpath_allocator& state)
-		{
-			// free all new pages
-			xpath_memory_block* cur = _root;
-
-			while (cur != state._root)
-			{
-				xpath_memory_block* next = cur->next;
-
-				xml_memory::deallocate(cur);
-
-				cur = next;
-			}
-
-			// restore state
-			_root = state._root;
-			_root_size = state._root_size;
-		}
-
-		void release()
-		{
-			xpath_memory_block* cur = _root;
-			assert(cur);
-
-			while (cur->next)
-			{
-				xpath_memory_block* next = cur->next;
-
-				xml_memory::deallocate(cur);
-
-				cur = next;
-			}
-		}
-	};
-
-	struct xpath_allocator_capture
-	{
-		xpath_allocator_capture(xpath_allocator* alloc): _target(alloc), _state(*alloc)
-		{
-		}
-
-		~xpath_allocator_capture()
-		{
-			_target->revert(_state);
-		}
-
-		xpath_allocator* _target;
-		xpath_allocator _state;
-	};
-
-	struct xpath_stack
-	{
-		xpath_allocator* result;
-		xpath_allocator* temp;
-	};
-
-	struct xpath_stack_data
-	{
-		xpath_memory_block blocks[2];
-		xpath_allocator result;
-		xpath_allocator temp;
-		xpath_stack stack;
-
-	#ifdef PUGIXML_NO_EXCEPTIONS
-		jmp_buf error_handler;
-	#endif
-
-		xpath_stack_data(): result(blocks + 0), temp(blocks + 1)
-		{
-			blocks[0].next = blocks[1].next = 0;
-
-			stack.result = &result;
-			stack.temp = &temp;
-
-		#ifdef PUGIXML_NO_EXCEPTIONS
-			result.error_handler = temp.error_handler = &error_handler;
-		#endif
-		}
-
-		~xpath_stack_data()
-		{
-			result.release();
-			temp.release();
-		}
-	};
-PUGI__NS_END
-
-// String class
-PUGI__NS_BEGIN
-	class xpath_string
-	{
-		const char_t* _buffer;
-		bool _uses_heap;
-
-		static char_t* duplicate_string(const char_t* string, size_t length, xpath_allocator* alloc)
-		{
-			char_t* result = static_cast<char_t*>(alloc->allocate((length + 1) * sizeof(char_t)));
-			assert(result);
-
-			memcpy(result, string, length * sizeof(char_t));
-			result[length] = 0;
-
-			return result;
-		}
-
-		static char_t* duplicate_string(const char_t* string, xpath_allocator* alloc)
-		{
-			return duplicate_string(string, strlength(string), alloc);
-		}
-
-	public:
-		xpath_string(): _buffer(PUGIXML_TEXT("")), _uses_heap(false)
-		{
-		}
-
-		explicit xpath_string(const char_t* str, xpath_allocator* alloc)
-		{
-			bool empty_ = (*str == 0);
-
-			_buffer = empty_ ? PUGIXML_TEXT("") : duplicate_string(str, alloc);
-			_uses_heap = !empty_;
-		}
-
-		explicit xpath_string(const char_t* str, bool use_heap): _buffer(str), _uses_heap(use_heap)
-		{
-		}
-
-		xpath_string(const char_t* begin, const char_t* end, xpath_allocator* alloc)
-		{
-			assert(begin <= end);
-
-			bool empty_ = (begin == end);
-
-			_buffer = empty_ ? PUGIXML_TEXT("") : duplicate_string(begin, static_cast<size_t>(end - begin), alloc);
-			_uses_heap = !empty_;
-		}
-
-		void append(const xpath_string& o, xpath_allocator* alloc)
-		{
-			// skip empty sources
-			if (!*o._buffer) return;
-
-			// fast append for constant empty target and constant source
-			if (!*_buffer && !_uses_heap && !o._uses_heap)
-			{
-				_buffer = o._buffer;
-			}
-			else
-			{
-				// need to make heap copy
-				size_t target_length = strlength(_buffer);
-				size_t source_length = strlength(o._buffer);
-				size_t result_length = target_length + source_length;
-
-				// allocate new buffer
-				char_t* result = static_cast<char_t*>(alloc->reallocate(_uses_heap ? const_cast<char_t*>(_buffer) : 0, (target_length + 1) * sizeof(char_t), (result_length + 1) * sizeof(char_t)));
-				assert(result);
-
-				// append first string to the new buffer in case there was no reallocation
-				if (!_uses_heap) memcpy(result, _buffer, target_length * sizeof(char_t));
-
-				// append second string to the new buffer
-				memcpy(result + target_length, o._buffer, source_length * sizeof(char_t));
-				result[result_length] = 0;
-
-				// finalize
-				_buffer = result;
-				_uses_heap = true;
-			}
-		}
-
-		const char_t* c_str() const
-		{
-			return _buffer;
-		}
-
-		size_t length() const
-		{
-			return strlength(_buffer);
-		}
-		
-		char_t* data(xpath_allocator* alloc)
-		{
-			// make private heap copy
-			if (!_uses_heap)
-			{
-				_buffer = duplicate_string(_buffer, alloc);
-				_uses_heap = true;
-			}
-
-			return const_cast<char_t*>(_buffer);
-		}
-
-		bool empty() const
-		{
-			return *_buffer == 0;
-		}
-
-		bool operator==(const xpath_string& o) const
-		{
-			return strequal(_buffer, o._buffer);
-		}
-
-		bool operator!=(const xpath_string& o) const
-		{
-			return !strequal(_buffer, o._buffer);
-		}
-
-		bool uses_heap() const
-		{
-			return _uses_heap;
-		}
-	};
-
-	PUGI__FN xpath_string xpath_string_const(const char_t* str)
-	{
-		return xpath_string(str, false);
-	}
-PUGI__NS_END
-
-PUGI__NS_BEGIN
-	PUGI__FN bool starts_with(const char_t* string, const char_t* pattern)
-	{
-		while (*pattern && *string == *pattern)
-		{
-			string++;
-			pattern++;
-		}
-
-		return *pattern == 0;
-	}
-
-	PUGI__FN const char_t* find_char(const char_t* s, char_t c)
-	{
-	#ifdef PUGIXML_WCHAR_MODE
-		return wcschr(s, c);
-	#else
-		return strchr(s, c);
-	#endif
-	}
-
-	PUGI__FN const char_t* find_substring(const char_t* s, const char_t* p)
-	{
-	#ifdef PUGIXML_WCHAR_MODE
-		// MSVC6 wcsstr bug workaround (if s is empty it always returns 0)
-		return (*p == 0) ? s : wcsstr(s, p);
-	#else
-		return strstr(s, p);
-	#endif
-	}
-
-	// Converts symbol to lower case, if it is an ASCII one
-	PUGI__FN char_t tolower_ascii(char_t ch)
-	{
-		return static_cast<unsigned int>(ch - 'A') < 26 ? static_cast<char_t>(ch | ' ') : ch;
-	}
-
-	PUGI__FN xpath_string string_value(const xpath_node& na, xpath_allocator* alloc)
-	{
-		if (na.attribute())
-			return xpath_string_const(na.attribute().value());
-		else
-		{
-			const xml_node& n = na.node();
-
-			switch (n.type())
-			{
-			case node_pcdata:
-			case node_cdata:
-			case node_comment:
-			case node_pi:
-				return xpath_string_const(n.value());
-			
-			case node_document:
-			case node_element:
-			{
-				xpath_string result;
-
-				xml_node cur = n.first_child();
-				
-				while (cur && cur != n)
-				{
-					if (cur.type() == node_pcdata || cur.type() == node_cdata)
-						result.append(xpath_string_const(cur.value()), alloc);
-
-					if (cur.first_child())
-						cur = cur.first_child();
-					else if (cur.next_sibling())
-						cur = cur.next_sibling();
-					else
-					{
-						while (!cur.next_sibling() && cur != n)
-							cur = cur.parent();
-
-						if (cur != n) cur = cur.next_sibling();
-					}
-				}
-				
-				return result;
-			}
-			
-			default:
-				return xpath_string();
-			}
-		}
-	}
-	
-	PUGI__FN unsigned int node_height(xml_node n)
-	{
-		unsigned int result = 0;
-		
-		while (n)
-		{
-			++result;
-			n = n.parent();
-		}
-		
-		return result;
-	}
-	
-	PUGI__FN bool node_is_before(xml_node ln, unsigned int lh, xml_node rn, unsigned int rh)
-	{
-		// normalize heights
-		for (unsigned int i = rh; i < lh; i++) ln = ln.parent();
-		for (unsigned int j = lh; j < rh; j++) rn = rn.parent();
-		
-		// one node is the ancestor of the other
-		if (ln == rn) return lh < rh;
-		
-		// find common ancestor
-		while (ln.parent() != rn.parent())
-		{
-			ln = ln.parent();
-			rn = rn.parent();
-		}
-
-		// there is no common ancestor (the shared parent is null), nodes are from different documents
-		if (!ln.parent()) return ln < rn;
-
-		// determine sibling order
-		for (; ln; ln = ln.next_sibling())
-			if (ln == rn)
-				return true;
-				
-		return false;
-	}
-
-	PUGI__FN bool node_is_ancestor(xml_node parent, xml_node node)
-	{
-		while (node && node != parent) node = node.parent();
-
-		return parent && node == parent;
-	}
-
-	PUGI__FN const void* document_order(const xpath_node& xnode)
-	{
-		xml_node_struct* node = xnode.node().internal_object();
-
-		if (node)
-		{
-			if (node->name && (node->header & xml_memory_page_name_allocated_mask) == 0) return node->name;
-			if (node->value && (node->header & xml_memory_page_value_allocated_mask) == 0) return node->value;
-			return 0;
-		}
-
-		xml_attribute_struct* attr = xnode.attribute().internal_object();
-
-		if (attr)
-		{
-			if ((attr->header & xml_memory_page_name_allocated_mask) == 0) return attr->name;
-			if ((attr->header & xml_memory_page_value_allocated_mask) == 0) return attr->value;
-			return 0;
-		}
-
-		return 0;
-	}
-	
-	struct document_order_comparator
-	{
-		bool operator()(const xpath_node& lhs, const xpath_node& rhs) const
-		{
-			// optimized document order based check
-			const void* lo = document_order(lhs);
-			const void* ro = document_order(rhs);
-
-			if (lo && ro) return lo < ro;
-
-			// slow comparison
-			xml_node ln = lhs.node(), rn = rhs.node();
-
-			// compare attributes
-			if (lhs.attribute() && rhs.attribute())
-			{
-				// shared parent
-				if (lhs.parent() == rhs.parent())
-				{
-					// determine sibling order
-					for (xml_attribute a = lhs.attribute(); a; a = a.next_attribute())
-						if (a == rhs.attribute())
-							return true;
-					
-					return false;
-				}
-				
-				// compare attribute parents
-				ln = lhs.parent();
-				rn = rhs.parent();
-			}
-			else if (lhs.attribute())
-			{
-				// attributes go after the parent element
-				if (lhs.parent() == rhs.node()) return false;
-				
-				ln = lhs.parent();
-			}
-			else if (rhs.attribute())
-			{
-				// attributes go after the parent element
-				if (rhs.parent() == lhs.node()) return true;
-				
-				rn = rhs.parent();
-			}
-
-			if (ln == rn) return false;
-			
-			unsigned int lh = node_height(ln);
-			unsigned int rh = node_height(rn);
-			
-			return node_is_before(ln, lh, rn, rh);
-		}
-	};
-
-	struct duplicate_comparator
-	{
-		bool operator()(const xpath_node& lhs, const xpath_node& rhs) const
-		{
-			if (lhs.attribute()) return rhs.attribute() ? lhs.attribute() < rhs.attribute() : true;
-			else return rhs.attribute() ? false : lhs.node() < rhs.node();
-		}
-	};
-	
-	PUGI__FN double gen_nan()
-	{
-	#if defined(__STDC_IEC_559__) || ((FLT_RADIX - 0 == 2) && (FLT_MAX_EXP - 0 == 128) && (FLT_MANT_DIG - 0 == 24))
-		union { float f; uint32_t i; } u[sizeof(float) == sizeof(uint32_t) ? 1 : -1];
-		u[0].i = 0x7fc00000;
-		return u[0].f;
-	#else
-		// fallback
-		const volatile double zero = 0.0;
-		return zero / zero;
-	#endif
-	}
-	
-	PUGI__FN bool is_nan(double value)
-	{
-	#if defined(PUGI__MSVC_CRT_VERSION) || defined(__BORLANDC__)
-		return !!_isnan(value);
-	#elif defined(fpclassify) && defined(FP_NAN)
-		return fpclassify(value) == FP_NAN;
-	#else
-		// fallback
-		const volatile double v = value;
-		return v != v;
-	#endif
-	}
-	
-	PUGI__FN const char_t* convert_number_to_string_special(double value)
-	{
-	#if defined(PUGI__MSVC_CRT_VERSION) || defined(__BORLANDC__)
-		if (_finite(value)) return (value == 0) ? PUGIXML_TEXT("0") : 0;
-		if (_isnan(value)) return PUGIXML_TEXT("NaN");
-		return value > 0 ? PUGIXML_TEXT("Infinity") : PUGIXML_TEXT("-Infinity");
-	#elif defined(fpclassify) && defined(FP_NAN) && defined(FP_INFINITE) && defined(FP_ZERO)
-		switch (fpclassify(value))
-		{
-		case FP_NAN:
-			return PUGIXML_TEXT("NaN");
-
-		case FP_INFINITE:
-			return value > 0 ? PUGIXML_TEXT("Infinity") : PUGIXML_TEXT("-Infinity");
-
-		case FP_ZERO:
-			return PUGIXML_TEXT("0");
-
-		default:
-			return 0;
-		}
-	#else
-		// fallback
-		const volatile double v = value;
-
-		if (v == 0) return PUGIXML_TEXT("0");
-		if (v != v) return PUGIXML_TEXT("NaN");
-		if (v * 2 == v) return value > 0 ? PUGIXML_TEXT("Infinity") : PUGIXML_TEXT("-Infinity");
-		return 0;
-	#endif
-	}
-	
-	PUGI__FN bool convert_number_to_boolean(double value)
-	{
-		return (value != 0 && !is_nan(value));
-	}
-	
-	PUGI__FN void truncate_zeros(char* begin, char* end)
-	{
-		while (begin != end && end[-1] == '0') end--;
-
-		*end = 0;
-	}
-
-	// gets mantissa digits in the form of 0.xxxxx with 0. implied and the exponent
-#if defined(PUGI__MSVC_CRT_VERSION) && PUGI__MSVC_CRT_VERSION >= 1400 && !defined(_WIN32_WCE)
-	PUGI__FN void convert_number_to_mantissa_exponent(double value, char* buffer, size_t buffer_size, char** out_mantissa, int* out_exponent)
-	{
-		// get base values
-		int sign, exponent;
-		_ecvt_s(buffer, buffer_size, value, DBL_DIG + 1, &exponent, &sign);
-
-		// truncate redundant zeros
-		truncate_zeros(buffer, buffer + strlen(buffer));
-
-		// fill results
-		*out_mantissa = buffer;
-		*out_exponent = exponent;
-	}
-#else
-	PUGI__FN void convert_number_to_mantissa_exponent(double value, char* buffer, size_t buffer_size, char** out_mantissa, int* out_exponent)
-	{
-		// get a scientific notation value with IEEE DBL_DIG decimals
-		sprintf(buffer, "%.*e", DBL_DIG, value);
-		assert(strlen(buffer) < buffer_size);
-		(void)!buffer_size;
-
-		// get the exponent (possibly negative)
-		char* exponent_string = strchr(buffer, 'e');
-		assert(exponent_string);
-
-		int exponent = atoi(exponent_string + 1);
-
-		// extract mantissa string: skip sign
-		char* mantissa = buffer[0] == '-' ? buffer + 1 : buffer;
-		assert(mantissa[0] != '0' && mantissa[1] == '.');
-
-		// divide mantissa by 10 to eliminate integer part
-		mantissa[1] = mantissa[0];
-		mantissa++;
-		exponent++;
-
-		// remove extra mantissa digits and zero-terminate mantissa
-		truncate_zeros(mantissa, exponent_string);
-
-		// fill results
-		*out_mantissa = mantissa;
-		*out_exponent = exponent;
-	}
-#endif
-
-	PUGI__FN xpath_string convert_number_to_string(double value, xpath_allocator* alloc)
-	{
-		// try special number conversion
-		const char_t* special = convert_number_to_string_special(value);
-		if (special) return xpath_string_const(special);
-
-		// get mantissa + exponent form
-		char mantissa_buffer[64];
-
-		char* mantissa;
-		int exponent;
-		convert_number_to_mantissa_exponent(value, mantissa_buffer, sizeof(mantissa_buffer), &mantissa, &exponent);
-
-		// make the number!
-		char_t result[512];
-		char_t* s = result;
-
-		// sign
-		if (value < 0) *s++ = '-';
-
-		// integer part
-		if (exponent <= 0)
-		{
-			*s++ = '0';
-		}
-		else
-		{
-			while (exponent > 0)
-			{
-				assert(*mantissa == 0 || static_cast<unsigned int>(*mantissa - '0') <= 9);
-				*s++ = *mantissa ? *mantissa++ : '0';
-				exponent--;
-			}
-		}
-
-		// fractional part
-		if (*mantissa)
-		{
-			// decimal point
-			*s++ = '.';
-
-			// extra zeroes from negative exponent
-			while (exponent < 0)
-			{
-				*s++ = '0';
-				exponent++;
-			}
-
-			// extra mantissa digits
-			while (*mantissa)
-			{
-				assert(static_cast<unsigned int>(*mantissa - '0') <= 9);
-				*s++ = *mantissa++;
-			}
-		}
-
-		// zero-terminate
-		assert(s < result + sizeof(result) / sizeof(result[0]));
-		*s = 0;
-
-		return xpath_string(result, alloc);
-	}
-	
-	PUGI__FN bool check_string_to_number_format(const char_t* string)
-	{
-		// parse leading whitespace
-		while (PUGI__IS_CHARTYPE(*string, ct_space)) ++string;
-
-		// parse sign
-		if (*string == '-') ++string;
-
-		if (!*string) return false;
-
-		// if there is no integer part, there should be a decimal part with at least one digit
-		if (!PUGI__IS_CHARTYPEX(string[0], ctx_digit) && (string[0] != '.' || !PUGI__IS_CHARTYPEX(string[1], ctx_digit))) return false;
-
-		// parse integer part
-		while (PUGI__IS_CHARTYPEX(*string, ctx_digit)) ++string;
-
-		// parse decimal part
-		if (*string == '.')
-		{
-			++string;
-
-			while (PUGI__IS_CHARTYPEX(*string, ctx_digit)) ++string;
-		}
-
-		// parse trailing whitespace
-		while (PUGI__IS_CHARTYPE(*string, ct_space)) ++string;
-
-		return *string == 0;
-	}
-
-	PUGI__FN double convert_string_to_number(const char_t* string)
-	{
-		// check string format
-		if (!check_string_to_number_format(string)) return gen_nan();
-
-		// parse string
-	#ifdef PUGIXML_WCHAR_MODE
-		return wcstod(string, 0);
-	#else
-		return atof(string);
-	#endif
-	}
-
-	PUGI__FN bool convert_string_to_number(const char_t* begin, const char_t* end, double* out_result)
-	{
-		char_t buffer[32];
-
-		size_t length = static_cast<size_t>(end - begin);
-		char_t* scratch = buffer;
-
-		if (length >= sizeof(buffer) / sizeof(buffer[0]))
-		{
-			// need to make dummy on-heap copy
-			scratch = static_cast<char_t*>(xml_memory::allocate((length + 1) * sizeof(char_t)));
-			if (!scratch) return false;
-		}
-
-		// copy string to zero-terminated buffer and perform conversion
-		memcpy(scratch, begin, length * sizeof(char_t));
-		scratch[length] = 0;
-
-		*out_result = convert_string_to_number(scratch);
-
-		// free dummy buffer
-		if (scratch != buffer) xml_memory::deallocate(scratch);
-
-		return true;
-	}
-	
-	PUGI__FN double round_nearest(double value)
-	{
-		return floor(value + 0.5);
-	}
-
-	PUGI__FN double round_nearest_nzero(double value)
-	{
-		// same as round_nearest, but returns -0 for [-0.5, -0]
-		// ceil is used to differentiate between +0 and -0 (we return -0 for [-0.5, -0] and +0 for +0)
-		return (value >= -0.5 && value <= 0) ? ceil(value) : floor(value + 0.5);
-	}
-	
-	PUGI__FN const char_t* qualified_name(const xpath_node& node)
-	{
-		return node.attribute() ? node.attribute().name() : node.node().name();
-	}
-	
-	PUGI__FN const char_t* local_name(const xpath_node& node)
-	{
-		const char_t* name = qualified_name(node);
-		const char_t* p = find_char(name, ':');
-		
-		return p ? p + 1 : name;
-	}
-
-	struct namespace_uri_predicate
-	{
-		const char_t* prefix;
-		size_t prefix_length;
-
-		namespace_uri_predicate(const char_t* name)
-		{
-			const char_t* pos = find_char(name, ':');
-
-			prefix = pos ? name : 0;
-			prefix_length = pos ? static_cast<size_t>(pos - name) : 0;
-		}
-
-		bool operator()(const xml_attribute& a) const
-		{
-			const char_t* name = a.name();
-
-			if (!starts_with(name, PUGIXML_TEXT("xmlns"))) return false;
-
-			return prefix ? name[5] == ':' && strequalrange(name + 6, prefix, prefix_length) : name[5] == 0;
-		}
-	};
-
-	PUGI__FN const char_t* namespace_uri(const xml_node& node)
-	{
-		namespace_uri_predicate pred = node.name();
-		
-		xml_node p = node;
-		
-		while (p)
-		{
-			xml_attribute a = p.find_attribute(pred);
-			
-			if (a) return a.value();
-			
-			p = p.parent();
-		}
-		
-		return PUGIXML_TEXT("");
-	}
-
-	PUGI__FN const char_t* namespace_uri(const xml_attribute& attr, const xml_node& parent)
-	{
-		namespace_uri_predicate pred = attr.name();
-		
-		// Default namespace does not apply to attributes
-		if (!pred.prefix) return PUGIXML_TEXT("");
-		
-		xml_node p = parent;
-		
-		while (p)
-		{
-			xml_attribute a = p.find_attribute(pred);
-			
-			if (a) return a.value();
-			
-			p = p.parent();
-		}
-		
-		return PUGIXML_TEXT("");
-	}
-
-	PUGI__FN const char_t* namespace_uri(const xpath_node& node)
-	{
-		return node.attribute() ? namespace_uri(node.attribute(), node.parent()) : namespace_uri(node.node());
-	}
-
-	PUGI__FN void normalize_space(char_t* buffer)
-	{
-		char_t* write = buffer;
-
-		for (char_t* it = buffer; *it; )
-		{
-			char_t ch = *it++;
-
-			if (PUGI__IS_CHARTYPE(ch, ct_space))
-			{
-				// replace whitespace sequence with single space
-				while (PUGI__IS_CHARTYPE(*it, ct_space)) it++;
-
-				// avoid leading spaces
-				if (write != buffer) *write++ = ' ';
-			}
-			else *write++ = ch;
-		}
-
-		// remove trailing space
-		if (write != buffer && PUGI__IS_CHARTYPE(write[-1], ct_space)) write--;
-
-		// zero-terminate
-		*write = 0;
-	}
-
-	PUGI__FN void translate(char_t* buffer, const char_t* from, const char_t* to)
-	{
-		size_t to_length = strlength(to);
-
-		char_t* write = buffer;
-
-		while (*buffer)
-		{
-			PUGI__DMC_VOLATILE char_t ch = *buffer++;
-
-			const char_t* pos = find_char(from, ch);
-
-			if (!pos)
-				*write++ = ch; // do not process
-			else if (static_cast<size_t>(pos - from) < to_length)
-				*write++ = to[pos - from]; // replace
-		}
-
-		// zero-terminate
-		*write = 0;
-	}
-
-	struct xpath_variable_boolean: xpath_variable
-	{
-		xpath_variable_boolean(): value(false)
-		{
-		}
-
-		bool value;
-		char_t name[1];
-	};
-
-	struct xpath_variable_number: xpath_variable
-	{
-		xpath_variable_number(): value(0)
-		{
-		}
-
-		double value;
-		char_t name[1];
-	};
-
-	struct xpath_variable_string: xpath_variable
-	{
-		xpath_variable_string(): value(0)
-		{
-		}
-
-		~xpath_variable_string()
-		{
-			if (value) xml_memory::deallocate(value);
-		}
-
-		char_t* value;
-		char_t name[1];
-	};
-
-	struct xpath_variable_node_set: xpath_variable
-	{
-		xpath_node_set value;
-		char_t name[1];
-	};
-
-	static const xpath_node_set dummy_node_set;
-
-	PUGI__FN unsigned int hash_string(const char_t* str)
-	{
-		// Jenkins one-at-a-time hash (http://en.wikipedia.org/wiki/Jenkins_hash_function#one-at-a-time)
-		unsigned int result = 0;
-
-		while (*str)
-		{
-			result += static_cast<unsigned int>(*str++);
-			result += result << 10;
-			result ^= result >> 6;
-		}
-	
-		result += result << 3;
-		result ^= result >> 11;
-		result += result << 15;
-	
-		return result;
-	}
-
-	template <typename T> PUGI__FN T* new_xpath_variable(const char_t* name)
-	{
-		size_t length = strlength(name);
-		if (length == 0) return 0; // empty variable names are invalid
-
-		// $$ we can't use offsetof(T, name) because T is non-POD, so we just allocate additional length characters
-		void* memory = xml_memory::allocate(sizeof(T) + length * sizeof(char_t));
-		if (!memory) return 0;
-
-		T* result = new (memory) T();
-
-		memcpy(result->name, name, (length + 1) * sizeof(char_t));
-
-		return result;
-	}
-
-	PUGI__FN xpath_variable* new_xpath_variable(xpath_value_type type, const char_t* name)
-	{
-		switch (type)
-		{
-		case xpath_type_node_set:
-			return new_xpath_variable<xpath_variable_node_set>(name);
-
-		case xpath_type_number:
-			return new_xpath_variable<xpath_variable_number>(name);
-
-		case xpath_type_string:
-			return new_xpath_variable<xpath_variable_string>(name);
-
-		case xpath_type_boolean:
-			return new_xpath_variable<xpath_variable_boolean>(name);
-
-		default:
-			return 0;
-		}
-	}
-
-	template <typename T> PUGI__FN void delete_xpath_variable(T* var)
-	{
-		var->~T();
-		xml_memory::deallocate(var);
-	}
-
-	PUGI__FN void delete_xpath_variable(xpath_value_type type, xpath_variable* var)
-	{
-		switch (type)
-		{
-		case xpath_type_node_set:
-			delete_xpath_variable(static_cast<xpath_variable_node_set*>(var));
-			break;
-
-		case xpath_type_number:
-			delete_xpath_variable(static_cast<xpath_variable_number*>(var));
-			break;
-
-		case xpath_type_string:
-			delete_xpath_variable(static_cast<xpath_variable_string*>(var));
-			break;
-
-		case xpath_type_boolean:
-			delete_xpath_variable(static_cast<xpath_variable_boolean*>(var));
-			break;
-
-		default:
-			assert(!"Invalid variable type");
-		}
-	}
-
-	PUGI__FN xpath_variable* get_variable(xpath_variable_set* set, const char_t* begin, const char_t* end)
-	{
-		char_t buffer[32];
-
-		size_t length = static_cast<size_t>(end - begin);
-		char_t* scratch = buffer;
-
-		if (length >= sizeof(buffer) / sizeof(buffer[0]))
-		{
-			// need to make dummy on-heap copy
-			scratch = static_cast<char_t*>(xml_memory::allocate((length + 1) * sizeof(char_t)));
-			if (!scratch) return 0;
-		}
-
-		// copy string to zero-terminated buffer and perform lookup
-		memcpy(scratch, begin, length * sizeof(char_t));
-		scratch[length] = 0;
-
-		xpath_variable* result = set->get(scratch);
-
-		// free dummy buffer
-		if (scratch != buffer) xml_memory::deallocate(scratch);
-
-		return result;
-	}
-PUGI__NS_END
-
-// Internal node set class
-PUGI__NS_BEGIN
-	PUGI__FN xpath_node_set::type_t xpath_sort(xpath_node* begin, xpath_node* end, xpath_node_set::type_t type, bool rev)
-	{
-		xpath_node_set::type_t order = rev ? xpath_node_set::type_sorted_reverse : xpath_node_set::type_sorted;
-
-		if (type == xpath_node_set::type_unsorted)
-		{
-			sort(begin, end, document_order_comparator());
-
-			type = xpath_node_set::type_sorted;
-		}
-		
-		if (type != order) reverse(begin, end);
-			
-		return order;
-	}
-
-	PUGI__FN xpath_node xpath_first(const xpath_node* begin, const xpath_node* end, xpath_node_set::type_t type)
-	{
-		if (begin == end) return xpath_node();
-
-		switch (type)
-		{
-		case xpath_node_set::type_sorted:
-			return *begin;
-
-		case xpath_node_set::type_sorted_reverse:
-			return *(end - 1);
-
-		case xpath_node_set::type_unsorted:
-			return *min_element(begin, end, document_order_comparator());
-
-		default:
-			assert(!"Invalid node set type");
-			return xpath_node();
-		}
-	}
-
-	class xpath_node_set_raw
-	{
-		xpath_node_set::type_t _type;
-
-		xpath_node* _begin;
-		xpath_node* _end;
-		xpath_node* _eos;
-
-	public:
-		xpath_node_set_raw(): _type(xpath_node_set::type_unsorted), _begin(0), _end(0), _eos(0)
-		{
-		}
-
-		xpath_node* begin() const
-		{
-			return _begin;
-		}
-
-		xpath_node* end() const
-		{
-			return _end;
-		}
-
-		bool empty() const
-		{
-			return _begin == _end;
-		}
-
-		size_t size() const
-		{
-			return static_cast<size_t>(_end - _begin);
-		}
-
-		xpath_node first() const
-		{
-			return xpath_first(_begin, _end, _type);
-		}
-
-		void push_back(const xpath_node& node, xpath_allocator* alloc)
-		{
-			if (_end == _eos)
-			{
-				size_t capacity = static_cast<size_t>(_eos - _begin);
-
-				// get new capacity (1.5x rule)
-				size_t new_capacity = capacity + capacity / 2 + 1;
-
-				// reallocate the old array or allocate a new one
-				xpath_node* data = static_cast<xpath_node*>(alloc->reallocate(_begin, capacity * sizeof(xpath_node), new_capacity * sizeof(xpath_node)));
-				assert(data);
-
-				// finalize
-				_begin = data;
-				_end = data + capacity;
-				_eos = data + new_capacity;
-			}
-
-			*_end++ = node;
-		}
-
-		void append(const xpath_node* begin_, const xpath_node* end_, xpath_allocator* alloc)
-		{
-			size_t size_ = static_cast<size_t>(_end - _begin);
-			size_t capacity = static_cast<size_t>(_eos - _begin);
-			size_t count = static_cast<size_t>(end_ - begin_);
-
-			if (size_ + count > capacity)
-			{
-				// reallocate the old array or allocate a new one
-				xpath_node* data = static_cast<xpath_node*>(alloc->reallocate(_begin, capacity * sizeof(xpath_node), (size_ + count) * sizeof(xpath_node)));
-				assert(data);
-
-				// finalize
-				_begin = data;
-				_end = data + size_;
-				_eos = data + size_ + count;
-			}
-
-			memcpy(_end, begin_, count * sizeof(xpath_node));
-			_end += count;
-		}
-
-		void sort_do()
-		{
-			_type = xpath_sort(_begin, _end, _type, false);
-		}
-
-		void truncate(xpath_node* pos)
-		{
-			assert(_begin <= pos && pos <= _end);
-
-			_end = pos;
-		}
-
-		void remove_duplicates()
-		{
-			if (_type == xpath_node_set::type_unsorted)
-				sort(_begin, _end, duplicate_comparator());
-		
-			_end = unique(_begin, _end);
-		}
-
-		xpath_node_set::type_t type() const
-		{
-			return _type;
-		}
-
-		void set_type(xpath_node_set::type_t value)
-		{
-			_type = value;
-		}
-	};
-PUGI__NS_END
-
-PUGI__NS_BEGIN
-	struct xpath_context
-	{
-		xpath_node n;
-		size_t position, size;
-
-		xpath_context(const xpath_node& n_, size_t position_, size_t size_): n(n_), position(position_), size(size_)
-		{
-		}
-	};
-
-	enum lexeme_t
-	{
-		lex_none = 0,
-		lex_equal,
-		lex_not_equal,
-		lex_less,
-		lex_greater,
-		lex_less_or_equal,
-		lex_greater_or_equal,
-		lex_plus,
-		lex_minus,
-		lex_multiply,
-		lex_union,
-		lex_var_ref,
-		lex_open_brace,
-		lex_close_brace,
-		lex_quoted_string,
-		lex_number,
-		lex_slash,
-		lex_double_slash,
-		lex_open_square_brace,
-		lex_close_square_brace,
-		lex_string,
-		lex_comma,
-		lex_axis_attribute,
-		lex_dot,
-		lex_double_dot,
-		lex_double_colon,
-		lex_eof
-	};
-
-	struct xpath_lexer_string
-	{
-		const char_t* begin;
-		const char_t* end;
-
-		xpath_lexer_string(): begin(0), end(0)
-		{
-		}
-
-		bool operator==(const char_t* other) const
-		{
-			size_t length = static_cast<size_t>(end - begin);
-
-			return strequalrange(other, begin, length);
-		}
-	};
-
-	class xpath_lexer
-	{
-		const char_t* _cur;
-		const char_t* _cur_lexeme_pos;
-		xpath_lexer_string _cur_lexeme_contents;
-
-		lexeme_t _cur_lexeme;
-
-	public:
-		explicit xpath_lexer(const char_t* query): _cur(query)
-		{
-			next();
-		}
-		
-		const char_t* state() const
-		{
-			return _cur;
-		}
-		
-		void next()
-		{
-			const char_t* cur = _cur;
-
-			while (PUGI__IS_CHARTYPE(*cur, ct_space)) ++cur;
-
-			// save lexeme position for error reporting
-			_cur_lexeme_pos = cur;
-
-			switch (*cur)
-			{
-			case 0:
-				_cur_lexeme = lex_eof;
-				break;
-			
-			case '>':
-				if (*(cur+1) == '=')
-				{
-					cur += 2;
-					_cur_lexeme = lex_greater_or_equal;
-				}
-				else
-				{
-					cur += 1;
-					_cur_lexeme = lex_greater;
-				}
-				break;
-
-			case '<':
-				if (*(cur+1) == '=')
-				{
-					cur += 2;
-					_cur_lexeme = lex_less_or_equal;
-				}
-				else
-				{
-					cur += 1;
-					_cur_lexeme = lex_less;
-				}
-				break;
-
-			case '!':
-				if (*(cur+1) == '=')
-				{
-					cur += 2;
-					_cur_lexeme = lex_not_equal;
-				}
-				else
-				{
-					_cur_lexeme = lex_none;
-				}
-				break;
-
-			case '=':
-				cur += 1;
-				_cur_lexeme = lex_equal;
-
-				break;
-			
-			case '+':
-				cur += 1;
-				_cur_lexeme = lex_plus;
-
-				break;
-
-			case '-':
-				cur += 1;
-				_cur_lexeme = lex_minus;
-
-				break;
-
-			case '*':
-				cur += 1;
-				_cur_lexeme = lex_multiply;
-
-				break;
-
-			case '|':
-				cur += 1;
-				_cur_lexeme = lex_union;
-
-				break;
-			
-			case '$':
-				cur += 1;
-
-				if (PUGI__IS_CHARTYPEX(*cur, ctx_start_symbol))
-				{
-					_cur_lexeme_contents.begin = cur;
-
-					while (PUGI__IS_CHARTYPEX(*cur, ctx_symbol)) cur++;
-
-					if (cur[0] == ':' && PUGI__IS_CHARTYPEX(cur[1], ctx_symbol)) // qname
-					{
-						cur++; // :
-
-						while (PUGI__IS_CHARTYPEX(*cur, ctx_symbol)) cur++;
-					}
-
-					_cur_lexeme_contents.end = cur;
-				
-					_cur_lexeme = lex_var_ref;
-				}
-				else
-				{
-					_cur_lexeme = lex_none;
-				}
-
-				break;
-
-			case '(':
-				cur += 1;
-				_cur_lexeme = lex_open_brace;
-
-				break;
-
-			case ')':
-				cur += 1;
-				_cur_lexeme = lex_close_brace;
-
-				break;
-			
-			case '[':
-				cur += 1;
-				_cur_lexeme = lex_open_square_brace;
-
-				break;
-
-			case ']':
-				cur += 1;
-				_cur_lexeme = lex_close_square_brace;
-
-				break;
-
-			case ',':
-				cur += 1;
-				_cur_lexeme = lex_comma;
-
-				break;
-
-			case '/':
-				if (*(cur+1) == '/')
-				{
-					cur += 2;
-					_cur_lexeme = lex_double_slash;
-				}
-				else
-				{
-					cur += 1;
-					_cur_lexeme = lex_slash;
-				}
-				break;
-		
-			case '.':
-				if (*(cur+1) == '.')
-				{
-					cur += 2;
-					_cur_lexeme = lex_double_dot;
-				}
-				else if (PUGI__IS_CHARTYPEX(*(cur+1), ctx_digit))
-				{
-					_cur_lexeme_contents.begin = cur; // .
-
-					++cur;
-
-					while (PUGI__IS_CHARTYPEX(*cur, ctx_digit)) cur++;
-
-					_cur_lexeme_contents.end = cur;
-					
-					_cur_lexeme = lex_number;
-				}
-				else
-				{
-					cur += 1;
-					_cur_lexeme = lex_dot;
-				}
-				break;
-
-			case '@':
-				cur += 1;
-				_cur_lexeme = lex_axis_attribute;
-
-				break;
-
-			case '"':
-			case '\'':
-			{
-				char_t terminator = *cur;
-
-				++cur;
-
-				_cur_lexeme_contents.begin = cur;
-				while (*cur && *cur != terminator) cur++;
-				_cur_lexeme_contents.end = cur;
-				
-				if (!*cur)
-					_cur_lexeme = lex_none;
-				else
-				{
-					cur += 1;
-					_cur_lexeme = lex_quoted_string;
-				}
-
-				break;
-			}
-
-			case ':':
-				if (*(cur+1) == ':')
-				{
-					cur += 2;
-					_cur_lexeme = lex_double_colon;
-				}
-				else
-				{
-					_cur_lexeme = lex_none;
-				}
-				break;
-
-			default:
-				if (PUGI__IS_CHARTYPEX(*cur, ctx_digit))
-				{
-					_cur_lexeme_contents.begin = cur;
-
-					while (PUGI__IS_CHARTYPEX(*cur, ctx_digit)) cur++;
-				
-					if (*cur == '.')
-					{
-						cur++;
-
-						while (PUGI__IS_CHARTYPEX(*cur, ctx_digit)) cur++;
-					}
-
-					_cur_lexeme_contents.end = cur;
-
-					_cur_lexeme = lex_number;
-				}
-				else if (PUGI__IS_CHARTYPEX(*cur, ctx_start_symbol))
-				{
-					_cur_lexeme_contents.begin = cur;
-
-					while (PUGI__IS_CHARTYPEX(*cur, ctx_symbol)) cur++;
-
-					if (cur[0] == ':')
-					{
-						if (cur[1] == '*') // namespace test ncname:*
-						{
-							cur += 2; // :*
-						}
-						else if (PUGI__IS_CHARTYPEX(cur[1], ctx_symbol)) // namespace test qname
-						{
-							cur++; // :
-
-							while (PUGI__IS_CHARTYPEX(*cur, ctx_symbol)) cur++;
-						}
-					}
-
-					_cur_lexeme_contents.end = cur;
-				
-					_cur_lexeme = lex_string;
-				}
-				else
-				{
-					_cur_lexeme = lex_none;
-				}
-			}
-
-			_cur = cur;
-		}
-
-		lexeme_t current() const
-		{
-			return _cur_lexeme;
-		}
-
-		const char_t* current_pos() const
-		{
-			return _cur_lexeme_pos;
-		}
-
-		const xpath_lexer_string& contents() const
-		{
-			assert(_cur_lexeme == lex_var_ref || _cur_lexeme == lex_number || _cur_lexeme == lex_string || _cur_lexeme == lex_quoted_string);
-
-			return _cur_lexeme_contents;
-		}
-	};
-
-	enum ast_type_t
-	{
-		ast_op_or,						// left or right
-		ast_op_and,						// left and right
-		ast_op_equal,					// left = right
-		ast_op_not_equal,				// left != right
-		ast_op_less,					// left < right
-		ast_op_greater,					// left > right
-		ast_op_less_or_equal,			// left <= right
-		ast_op_greater_or_equal,		// left >= right
-		ast_op_add,						// left + right
-		ast_op_subtract,				// left - right
-		ast_op_multiply,				// left * right
-		ast_op_divide,					// left / right
-		ast_op_mod,						// left % right
-		ast_op_negate,					// left - right
-		ast_op_union,					// left | right
-		ast_predicate,					// apply predicate to set; next points to next predicate
-		ast_filter,						// select * from left where right
-		ast_filter_posinv,				// select * from left where right; proximity position invariant
-		ast_string_constant,			// string constant
-		ast_number_constant,			// number constant
-		ast_variable,					// variable
-		ast_func_last,					// last()
-		ast_func_position,				// position()
-		ast_func_count,					// count(left)
-		ast_func_id,					// id(left)
-		ast_func_local_name_0,			// local-name()
-		ast_func_local_name_1,			// local-name(left)
-		ast_func_namespace_uri_0,		// namespace-uri()
-		ast_func_namespace_uri_1,		// namespace-uri(left)
-		ast_func_name_0,				// name()
-		ast_func_name_1,				// name(left)
-		ast_func_string_0,				// string()
-		ast_func_string_1,				// string(left)
-		ast_func_concat,				// concat(left, right, siblings)
-		ast_func_starts_with,			// starts_with(left, right)
-		ast_func_contains,				// contains(left, right)
-		ast_func_substring_before,		// substring-before(left, right)
-		ast_func_substring_after,		// substring-after(left, right)
-		ast_func_substring_2,			// substring(left, right)
-		ast_func_substring_3,			// substring(left, right, third)
-		ast_func_string_length_0,		// string-length()
-		ast_func_string_length_1,		// string-length(left)
-		ast_func_normalize_space_0,		// normalize-space()
-		ast_func_normalize_space_1,		// normalize-space(left)
-		ast_func_translate,				// translate(left, right, third)
-		ast_func_boolean,				// boolean(left)
-		ast_func_not,					// not(left)
-		ast_func_true,					// true()
-		ast_func_false,					// false()
-		ast_func_lang,					// lang(left)
-		ast_func_number_0,				// number()
-		ast_func_number_1,				// number(left)
-		ast_func_sum,					// sum(left)
-		ast_func_floor,					// floor(left)
-		ast_func_ceiling,				// ceiling(left)
-		ast_func_round,					// round(left)
-		ast_step,						// process set left with step
-		ast_step_root					// select root node
-	};
-
-	enum axis_t
-	{
-		axis_ancestor,
-		axis_ancestor_or_self,
-		axis_attribute,
-		axis_child,
-		axis_descendant,
-		axis_descendant_or_self,
-		axis_following,
-		axis_following_sibling,
-		axis_namespace,
-		axis_parent,
-		axis_preceding,
-		axis_preceding_sibling,
-		axis_self
-	};
-	
-	enum nodetest_t
-	{
-		nodetest_none,
-		nodetest_name,
-		nodetest_type_node,
-		nodetest_type_comment,
-		nodetest_type_pi,
-		nodetest_type_text,
-		nodetest_pi,
-		nodetest_all,
-		nodetest_all_in_namespace
-	};
-
-	template <axis_t N> struct axis_to_type
-	{
-		static const axis_t axis;
-	};
-
-	template <axis_t N> const axis_t axis_to_type<N>::axis = N;
-		
-	class xpath_ast_node
-	{
-	private:
-		// node type
-		char _type;
-		char _rettype;
-
-		// for ast_step / ast_predicate
-		char _axis;
-		char _test;
-
-		// tree node structure
-		xpath_ast_node* _left;
-		xpath_ast_node* _right;
-		xpath_ast_node* _next;
-
-		union
-		{
-			// value for ast_string_constant
-			const char_t* string;
-			// value for ast_number_constant
-			double number;
-			// variable for ast_variable
-			xpath_variable* variable;
-			// node test for ast_step (node name/namespace/node type/pi target)
-			const char_t* nodetest;
-		} _data;
-
-		xpath_ast_node(const xpath_ast_node&);
-		xpath_ast_node& operator=(const xpath_ast_node&);
-
-		template <class Comp> static bool compare_eq(xpath_ast_node* lhs, xpath_ast_node* rhs, const xpath_context& c, const xpath_stack& stack, const Comp& comp)
-		{
-			xpath_value_type lt = lhs->rettype(), rt = rhs->rettype();
-
-			if (lt != xpath_type_node_set && rt != xpath_type_node_set)
-			{
-				if (lt == xpath_type_boolean || rt == xpath_type_boolean)
-					return comp(lhs->eval_boolean(c, stack), rhs->eval_boolean(c, stack));
-				else if (lt == xpath_type_number || rt == xpath_type_number)
-					return comp(lhs->eval_number(c, stack), rhs->eval_number(c, stack));
-				else if (lt == xpath_type_string || rt == xpath_type_string)
-				{
-					xpath_allocator_capture cr(stack.result);
-
-					xpath_string ls = lhs->eval_string(c, stack);
-					xpath_string rs = rhs->eval_string(c, stack);
-
-					return comp(ls, rs);
-				}
-			}
-			else if (lt == xpath_type_node_set && rt == xpath_type_node_set)
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				xpath_node_set_raw ls = lhs->eval_node_set(c, stack);
-				xpath_node_set_raw rs = rhs->eval_node_set(c, stack);
-
-				for (const xpath_node* li = ls.begin(); li != ls.end(); ++li)
-					for (const xpath_node* ri = rs.begin(); ri != rs.end(); ++ri)
-					{
-						xpath_allocator_capture cri(stack.result);
-
-						if (comp(string_value(*li, stack.result), string_value(*ri, stack.result)))
-							return true;
-					}
-
-				return false;
-			}
-			else
-			{
-				if (lt == xpath_type_node_set)
-				{
-					swap(lhs, rhs);
-					swap(lt, rt);
-				}
-
-				if (lt == xpath_type_boolean)
-					return comp(lhs->eval_boolean(c, stack), rhs->eval_boolean(c, stack));
-				else if (lt == xpath_type_number)
-				{
-					xpath_allocator_capture cr(stack.result);
-
-					double l = lhs->eval_number(c, stack);
-					xpath_node_set_raw rs = rhs->eval_node_set(c, stack);
-
-					for (const xpath_node* ri = rs.begin(); ri != rs.end(); ++ri)
-					{
-						xpath_allocator_capture cri(stack.result);
-
-						if (comp(l, convert_string_to_number(string_value(*ri, stack.result).c_str())))
-							return true;
-					}
-
-					return false;
-				}
-				else if (lt == xpath_type_string)
-				{
-					xpath_allocator_capture cr(stack.result);
-
-					xpath_string l = lhs->eval_string(c, stack);
-					xpath_node_set_raw rs = rhs->eval_node_set(c, stack);
-
-					for (const xpath_node* ri = rs.begin(); ri != rs.end(); ++ri)
-					{
-						xpath_allocator_capture cri(stack.result);
-
-						if (comp(l, string_value(*ri, stack.result)))
-							return true;
-					}
-
-					return false;
-				}
-			}
-
-			assert(!"Wrong types");
-			return false;
-		}
-
-		template <class Comp> static bool compare_rel(xpath_ast_node* lhs, xpath_ast_node* rhs, const xpath_context& c, const xpath_stack& stack, const Comp& comp)
-		{
-			xpath_value_type lt = lhs->rettype(), rt = rhs->rettype();
-
-			if (lt != xpath_type_node_set && rt != xpath_type_node_set)
-				return comp(lhs->eval_number(c, stack), rhs->eval_number(c, stack));
-			else if (lt == xpath_type_node_set && rt == xpath_type_node_set)
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				xpath_node_set_raw ls = lhs->eval_node_set(c, stack);
-				xpath_node_set_raw rs = rhs->eval_node_set(c, stack);
-
-				for (const xpath_node* li = ls.begin(); li != ls.end(); ++li)
-				{
-					xpath_allocator_capture cri(stack.result);
-
-					double l = convert_string_to_number(string_value(*li, stack.result).c_str());
-
-					for (const xpath_node* ri = rs.begin(); ri != rs.end(); ++ri)
-					{
-						xpath_allocator_capture crii(stack.result);
-
-						if (comp(l, convert_string_to_number(string_value(*ri, stack.result).c_str())))
-							return true;
-					}
-				}
-
-				return false;
-			}
-			else if (lt != xpath_type_node_set && rt == xpath_type_node_set)
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				double l = lhs->eval_number(c, stack);
-				xpath_node_set_raw rs = rhs->eval_node_set(c, stack);
-
-				for (const xpath_node* ri = rs.begin(); ri != rs.end(); ++ri)
-				{
-					xpath_allocator_capture cri(stack.result);
-
-					if (comp(l, convert_string_to_number(string_value(*ri, stack.result).c_str())))
-						return true;
-				}
-
-				return false;
-			}
-			else if (lt == xpath_type_node_set && rt != xpath_type_node_set)
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				xpath_node_set_raw ls = lhs->eval_node_set(c, stack);
-				double r = rhs->eval_number(c, stack);
-
-				for (const xpath_node* li = ls.begin(); li != ls.end(); ++li)
-				{
-					xpath_allocator_capture cri(stack.result);
-
-					if (comp(convert_string_to_number(string_value(*li, stack.result).c_str()), r))
-						return true;
-				}
-
-				return false;
-			}
-			else
-			{
-				assert(!"Wrong types");
-				return false;
-			}
-		}
-
-		void apply_predicate(xpath_node_set_raw& ns, size_t first, xpath_ast_node* expr, const xpath_stack& stack)
-		{
-			assert(ns.size() >= first);
-
-			size_t i = 1;
-			size_t size = ns.size() - first;
-				
-			xpath_node* last = ns.begin() + first;
-				
-			// remove_if... or well, sort of
-			for (xpath_node* it = last; it != ns.end(); ++it, ++i)
-			{
-				xpath_context c(*it, i, size);
-			
-				if (expr->rettype() == xpath_type_number)
-				{
-					if (expr->eval_number(c, stack) == i)
-						*last++ = *it;
-				}
-				else if (expr->eval_boolean(c, stack))
-					*last++ = *it;
-			}
-			
-			ns.truncate(last);
-		}
-
-		void apply_predicates(xpath_node_set_raw& ns, size_t first, const xpath_stack& stack)
-		{
-			if (ns.size() == first) return;
-			
-			for (xpath_ast_node* pred = _right; pred; pred = pred->_next)
-			{
-				apply_predicate(ns, first, pred->_left, stack);
-			}
-		}
-
-		void step_push(xpath_node_set_raw& ns, const xml_attribute& a, const xml_node& parent, xpath_allocator* alloc)
-		{
-			if (!a) return;
-
-			const char_t* name = a.name();
-
-			// There are no attribute nodes corresponding to attributes that declare namespaces
-			// That is, "xmlns:..." or "xmlns"
-			if (starts_with(name, PUGIXML_TEXT("xmlns")) && (name[5] == 0 || name[5] == ':')) return;
-			
-			switch (_test)
-			{
-			case nodetest_name:
-				if (strequal(name, _data.nodetest)) ns.push_back(xpath_node(a, parent), alloc);
-				break;
-				
-			case nodetest_type_node:
-			case nodetest_all:
-				ns.push_back(xpath_node(a, parent), alloc);
-				break;
-				
-			case nodetest_all_in_namespace:
-				if (starts_with(name, _data.nodetest))
-					ns.push_back(xpath_node(a, parent), alloc);
-				break;
-			
-			default:
-				;
-			}
-		}
-		
-		void step_push(xpath_node_set_raw& ns, const xml_node& n, xpath_allocator* alloc)
-		{
-			if (!n) return;
-
-			switch (_test)
-			{
-			case nodetest_name:
-				if (n.type() == node_element && strequal(n.name(), _data.nodetest)) ns.push_back(n, alloc);
-				break;
-				
-			case nodetest_type_node:
-				ns.push_back(n, alloc);
-				break;
-				
-			case nodetest_type_comment:
-				if (n.type() == node_comment)
-					ns.push_back(n, alloc);
-				break;
-				
-			case nodetest_type_text:
-				if (n.type() == node_pcdata || n.type() == node_cdata)
-					ns.push_back(n, alloc);
-				break;
-				
-			case nodetest_type_pi:
-				if (n.type() == node_pi)
-					ns.push_back(n, alloc);
-				break;
-									
-			case nodetest_pi:
-				if (n.type() == node_pi && strequal(n.name(), _data.nodetest))
-					ns.push_back(n, alloc);
-				break;
-				
-			case nodetest_all:
-				if (n.type() == node_element)
-					ns.push_back(n, alloc);
-				break;
-				
-			case nodetest_all_in_namespace:
-				if (n.type() == node_element && starts_with(n.name(), _data.nodetest))
-					ns.push_back(n, alloc);
-				break;
-
-			default:
-				assert(!"Unknown axis");
-			} 
-		}
-
-		template <class T> void step_fill(xpath_node_set_raw& ns, const xml_node& n, xpath_allocator* alloc, T)
-		{
-			const axis_t axis = T::axis;
-
-			switch (axis)
-			{
-			case axis_attribute:
-			{
-				for (xml_attribute a = n.first_attribute(); a; a = a.next_attribute())
-					step_push(ns, a, n, alloc);
-				
-				break;
-			}
-			
-			case axis_child:
-			{
-				for (xml_node c = n.first_child(); c; c = c.next_sibling())
-					step_push(ns, c, alloc);
-					
-				break;
-			}
-			
-			case axis_descendant:
-			case axis_descendant_or_self:
-			{
-				if (axis == axis_descendant_or_self)
-					step_push(ns, n, alloc);
-					
-				xml_node cur = n.first_child();
-				
-				while (cur && cur != n)
-				{
-					step_push(ns, cur, alloc);
-					
-					if (cur.first_child())
-						cur = cur.first_child();
-					else if (cur.next_sibling())
-						cur = cur.next_sibling();
-					else
-					{
-						while (!cur.next_sibling() && cur != n)
-							cur = cur.parent();
-					
-						if (cur != n) cur = cur.next_sibling();
-					}
-				}
-				
-				break;
-			}
-			
-			case axis_following_sibling:
-			{
-				for (xml_node c = n.next_sibling(); c; c = c.next_sibling())
-					step_push(ns, c, alloc);
-				
-				break;
-			}
-			
-			case axis_preceding_sibling:
-			{
-				for (xml_node c = n.previous_sibling(); c; c = c.previous_sibling())
-					step_push(ns, c, alloc);
-				
-				break;
-			}
-			
-			case axis_following:
-			{
-				xml_node cur = n;
-
-				// exit from this node so that we don't include descendants
-				while (cur && !cur.next_sibling()) cur = cur.parent();
-				cur = cur.next_sibling();
-
-				for (;;)
-				{
-					step_push(ns, cur, alloc);
-
-					if (cur.first_child())
-						cur = cur.first_child();
-					else if (cur.next_sibling())
-						cur = cur.next_sibling();
-					else
-					{
-						while (cur && !cur.next_sibling()) cur = cur.parent();
-						cur = cur.next_sibling();
-
-						if (!cur) break;
-					}
-				}
-
-				break;
-			}
-
-			case axis_preceding:
-			{
-				xml_node cur = n;
-
-				while (cur && !cur.previous_sibling()) cur = cur.parent();
-				cur = cur.previous_sibling();
-
-				for (;;)
-				{
-					if (cur.last_child())
-						cur = cur.last_child();
-					else
-					{
-						// leaf node, can't be ancestor
-						step_push(ns, cur, alloc);
-
-						if (cur.previous_sibling())
-							cur = cur.previous_sibling();
-						else
-						{
-							do 
-							{
-								cur = cur.parent();
-								if (!cur) break;
-
-								if (!node_is_ancestor(cur, n)) step_push(ns, cur, alloc);
-							}
-							while (!cur.previous_sibling());
-
-							cur = cur.previous_sibling();
-
-							if (!cur) break;
-						}
-					}
-				}
-
-				break;
-			}
-			
-			case axis_ancestor:
-			case axis_ancestor_or_self:
-			{
-				if (axis == axis_ancestor_or_self)
-					step_push(ns, n, alloc);
-
-				xml_node cur = n.parent();
-				
-				while (cur)
-				{
-					step_push(ns, cur, alloc);
-					
-					cur = cur.parent();
-				}
-				
-				break;
-			}
-
-			case axis_self:
-			{
-				step_push(ns, n, alloc);
-
-				break;
-			}
-
-			case axis_parent:
-			{
-				if (n.parent()) step_push(ns, n.parent(), alloc);
-
-				break;
-			}
-				
-			default:
-				assert(!"Unimplemented axis");
-			}
-		}
-		
-		template <class T> void step_fill(xpath_node_set_raw& ns, const xml_attribute& a, const xml_node& p, xpath_allocator* alloc, T v)
-		{
-			const axis_t axis = T::axis;
-
-			switch (axis)
-			{
-			case axis_ancestor:
-			case axis_ancestor_or_self:
-			{
-				if (axis == axis_ancestor_or_self && _test == nodetest_type_node) // reject attributes based on principal node type test
-					step_push(ns, a, p, alloc);
-
-				xml_node cur = p;
-				
-				while (cur)
-				{
-					step_push(ns, cur, alloc);
-					
-					cur = cur.parent();
-				}
-				
-				break;
-			}
-
-			case axis_descendant_or_self:
-			case axis_self:
-			{
-				if (_test == nodetest_type_node) // reject attributes based on principal node type test
-					step_push(ns, a, p, alloc);
-
-				break;
-			}
-
-			case axis_following:
-			{
-				xml_node cur = p;
-				
-				for (;;)
-				{
-					if (cur.first_child())
-						cur = cur.first_child();
-					else if (cur.next_sibling())
-						cur = cur.next_sibling();
-					else
-					{
-						while (cur && !cur.next_sibling()) cur = cur.parent();
-						cur = cur.next_sibling();
-						
-						if (!cur) break;
-					}
-
-					step_push(ns, cur, alloc);
-				}
-
-				break;
-			}
-
-			case axis_parent:
-			{
-				step_push(ns, p, alloc);
-
-				break;
-			}
-
-			case axis_preceding:
-			{
-				// preceding:: axis does not include attribute nodes and attribute ancestors (they are the same as parent's ancestors), so we can reuse node preceding
-				step_fill(ns, p, alloc, v);
-				break;
-			}
-			
-			default:
-				assert(!"Unimplemented axis");
-			}
-		}
-		
-		template <class T> xpath_node_set_raw step_do(const xpath_context& c, const xpath_stack& stack, T v)
-		{
-			const axis_t axis = T::axis;
-			bool attributes = (axis == axis_ancestor || axis == axis_ancestor_or_self || axis == axis_descendant_or_self || axis == axis_following || axis == axis_parent || axis == axis_preceding || axis == axis_self);
-
-			xpath_node_set_raw ns;
-			ns.set_type((axis == axis_ancestor || axis == axis_ancestor_or_self || axis == axis_preceding || axis == axis_preceding_sibling) ? xpath_node_set::type_sorted_reverse : xpath_node_set::type_sorted);
-
-			if (_left)
-			{
-				xpath_node_set_raw s = _left->eval_node_set(c, stack);
-
-				// self axis preserves the original order
-				if (axis == axis_self) ns.set_type(s.type());
-
-				for (const xpath_node* it = s.begin(); it != s.end(); ++it)
-				{
-					size_t size = ns.size();
-
-					// in general, all axes generate elements in a particular order, but there is no order guarantee if axis is applied to two nodes
-					if (axis != axis_self && size != 0) ns.set_type(xpath_node_set::type_unsorted);
-					
-					if (it->node())
-						step_fill(ns, it->node(), stack.result, v);
-					else if (attributes)
-						step_fill(ns, it->attribute(), it->parent(), stack.result, v);
-						
-					apply_predicates(ns, size, stack);
-				}
-			}
-			else
-			{
-				if (c.n.node())
-					step_fill(ns, c.n.node(), stack.result, v);
-				else if (attributes)
-					step_fill(ns, c.n.attribute(), c.n.parent(), stack.result, v);
-				
-				apply_predicates(ns, 0, stack);
-			}
-
-			// child, attribute and self axes always generate unique set of nodes
-			// for other axis, if the set stayed sorted, it stayed unique because the traversal algorithms do not visit the same node twice
-			if (axis != axis_child && axis != axis_attribute && axis != axis_self && ns.type() == xpath_node_set::type_unsorted)
-				ns.remove_duplicates();
-
-			return ns;
-		}
-		
-	public:
-		xpath_ast_node(ast_type_t type, xpath_value_type rettype_, const char_t* value):
-			_type(static_cast<char>(type)), _rettype(static_cast<char>(rettype_)), _axis(0), _test(0), _left(0), _right(0), _next(0)
-		{
-			assert(type == ast_string_constant);
-			_data.string = value;
-		}
-
-		xpath_ast_node(ast_type_t type, xpath_value_type rettype_, double value):
-			_type(static_cast<char>(type)), _rettype(static_cast<char>(rettype_)), _axis(0), _test(0), _left(0), _right(0), _next(0)
-		{
-			assert(type == ast_number_constant);
-			_data.number = value;
-		}
-		
-		xpath_ast_node(ast_type_t type, xpath_value_type rettype_, xpath_variable* value):
-			_type(static_cast<char>(type)), _rettype(static_cast<char>(rettype_)), _axis(0), _test(0), _left(0), _right(0), _next(0)
-		{
-			assert(type == ast_variable);
-			_data.variable = value;
-		}
-		
-		xpath_ast_node(ast_type_t type, xpath_value_type rettype_, xpath_ast_node* left = 0, xpath_ast_node* right = 0):
-			_type(static_cast<char>(type)), _rettype(static_cast<char>(rettype_)), _axis(0), _test(0), _left(left), _right(right), _next(0)
-		{
-		}
-
-		xpath_ast_node(ast_type_t type, xpath_ast_node* left, axis_t axis, nodetest_t test, const char_t* contents):
-			_type(static_cast<char>(type)), _rettype(xpath_type_node_set), _axis(static_cast<char>(axis)), _test(static_cast<char>(test)), _left(left), _right(0), _next(0)
-		{
-			_data.nodetest = contents;
-		}
-
-		void set_next(xpath_ast_node* value)
-		{
-			_next = value;
-		}
-
-		void set_right(xpath_ast_node* value)
-		{
-			_right = value;
-		}
-
-		bool eval_boolean(const xpath_context& c, const xpath_stack& stack)
-		{
-			switch (_type)
-			{
-			case ast_op_or:
-				return _left->eval_boolean(c, stack) || _right->eval_boolean(c, stack);
-				
-			case ast_op_and:
-				return _left->eval_boolean(c, stack) && _right->eval_boolean(c, stack);
-				
-			case ast_op_equal:
-				return compare_eq(_left, _right, c, stack, equal_to());
-
-			case ast_op_not_equal:
-				return compare_eq(_left, _right, c, stack, not_equal_to());
-	
-			case ast_op_less:
-				return compare_rel(_left, _right, c, stack, less());
-			
-			case ast_op_greater:
-				return compare_rel(_right, _left, c, stack, less());
-
-			case ast_op_less_or_equal:
-				return compare_rel(_left, _right, c, stack, less_equal());
-			
-			case ast_op_greater_or_equal:
-				return compare_rel(_right, _left, c, stack, less_equal());
-
-			case ast_func_starts_with:
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				xpath_string lr = _left->eval_string(c, stack);
-				xpath_string rr = _right->eval_string(c, stack);
-
-				return starts_with(lr.c_str(), rr.c_str());
-			}
-
-			case ast_func_contains:
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				xpath_string lr = _left->eval_string(c, stack);
-				xpath_string rr = _right->eval_string(c, stack);
-
-				return find_substring(lr.c_str(), rr.c_str()) != 0;
-			}
-
-			case ast_func_boolean:
-				return _left->eval_boolean(c, stack);
-				
-			case ast_func_not:
-				return !_left->eval_boolean(c, stack);
-				
-			case ast_func_true:
-				return true;
-				
-			case ast_func_false:
-				return false;
-
-			case ast_func_lang:
-			{
-				if (c.n.attribute()) return false;
-				
-				xpath_allocator_capture cr(stack.result);
-
-				xpath_string lang = _left->eval_string(c, stack);
-				
-				for (xml_node n = c.n.node(); n; n = n.parent())
-				{
-					xml_attribute a = n.attribute(PUGIXML_TEXT("xml:lang"));
-					
-					if (a)
-					{
-						const char_t* value = a.value();
-						
-						// strnicmp / strncasecmp is not portable
-						for (const char_t* lit = lang.c_str(); *lit; ++lit)
-						{
-							if (tolower_ascii(*lit) != tolower_ascii(*value)) return false;
-							++value;
-						}
-						
-						return *value == 0 || *value == '-';
-					}
-				}
-				
-				return false;
-			}
-
-			case ast_variable:
-			{
-				assert(_rettype == _data.variable->type());
-
-				if (_rettype == xpath_type_boolean)
-					return _data.variable->get_boolean();
-
-				// fallthrough to type conversion
-			}
-
-			default:
-			{
-				switch (_rettype)
-				{
-				case xpath_type_number:
-					return convert_number_to_boolean(eval_number(c, stack));
-					
-				case xpath_type_string:
-				{
-					xpath_allocator_capture cr(stack.result);
-
-					return !eval_string(c, stack).empty();
-				}
-					
-				case xpath_type_node_set:				
-				{
-					xpath_allocator_capture cr(stack.result);
-
-					return !eval_node_set(c, stack).empty();
-				}
-
-				default:
-					assert(!"Wrong expression for return type boolean");
-					return false;
-				}
-			}
-			}
-		}
-
-		double eval_number(const xpath_context& c, const xpath_stack& stack)
-		{
-			switch (_type)
-			{
-			case ast_op_add:
-				return _left->eval_number(c, stack) + _right->eval_number(c, stack);
-				
-			case ast_op_subtract:
-				return _left->eval_number(c, stack) - _right->eval_number(c, stack);
-
-			case ast_op_multiply:
-				return _left->eval_number(c, stack) * _right->eval_number(c, stack);
-
-			case ast_op_divide:
-				return _left->eval_number(c, stack) / _right->eval_number(c, stack);
-
-			case ast_op_mod:
-				return fmod(_left->eval_number(c, stack), _right->eval_number(c, stack));
-
-			case ast_op_negate:
-				return -_left->eval_number(c, stack);
-
-			case ast_number_constant:
-				return _data.number;
-
-			case ast_func_last:
-				return static_cast<double>(c.size);
-			
-			case ast_func_position:
-				return static_cast<double>(c.position);
-
-			case ast_func_count:
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				return static_cast<double>(_left->eval_node_set(c, stack).size());
-			}
-			
-			case ast_func_string_length_0:
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				return static_cast<double>(string_value(c.n, stack.result).length());
-			}
-			
-			case ast_func_string_length_1:
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				return static_cast<double>(_left->eval_string(c, stack).length());
-			}
-			
-			case ast_func_number_0:
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				return convert_string_to_number(string_value(c.n, stack.result).c_str());
-			}
-			
-			case ast_func_number_1:
-				return _left->eval_number(c, stack);
-
-			case ast_func_sum:
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				double r = 0;
-				
-				xpath_node_set_raw ns = _left->eval_node_set(c, stack);
-				
-				for (const xpath_node* it = ns.begin(); it != ns.end(); ++it)
-				{
-					xpath_allocator_capture cri(stack.result);
-
-					r += convert_string_to_number(string_value(*it, stack.result).c_str());
-				}
-			
-				return r;
-			}
-
-			case ast_func_floor:
-			{
-				double r = _left->eval_number(c, stack);
-				
-				return r == r ? floor(r) : r;
-			}
-
-			case ast_func_ceiling:
-			{
-				double r = _left->eval_number(c, stack);
-				
-				return r == r ? ceil(r) : r;
-			}
-
-			case ast_func_round:
-				return round_nearest_nzero(_left->eval_number(c, stack));
-			
-			case ast_variable:
-			{
-				assert(_rettype == _data.variable->type());
-
-				if (_rettype == xpath_type_number)
-					return _data.variable->get_number();
-
-				// fallthrough to type conversion
-			}
-
-			default:
-			{
-				switch (_rettype)
-				{
-				case xpath_type_boolean:
-					return eval_boolean(c, stack) ? 1 : 0;
-					
-				case xpath_type_string:
-				{
-					xpath_allocator_capture cr(stack.result);
-
-					return convert_string_to_number(eval_string(c, stack).c_str());
-				}
-					
-				case xpath_type_node_set:
-				{
-					xpath_allocator_capture cr(stack.result);
-
-					return convert_string_to_number(eval_string(c, stack).c_str());
-				}
-					
-				default:
-					assert(!"Wrong expression for return type number");
-					return 0;
-				}
-				
-			}
-			}
-		}
-		
-		xpath_string eval_string_concat(const xpath_context& c, const xpath_stack& stack)
-		{
-			assert(_type == ast_func_concat);
-
-			xpath_allocator_capture ct(stack.temp);
-
-			// count the string number
-			size_t count = 1;
-			for (xpath_ast_node* nc = _right; nc; nc = nc->_next) count++;
-
-			// gather all strings
-			xpath_string static_buffer[4];
-			xpath_string* buffer = static_buffer;
-
-			// allocate on-heap for large concats
-			if (count > sizeof(static_buffer) / sizeof(static_buffer[0]))
-			{
-				buffer = static_cast<xpath_string*>(stack.temp->allocate(count * sizeof(xpath_string)));
-				assert(buffer);
-			}
-
-			// evaluate all strings to temporary stack
-			xpath_stack swapped_stack = {stack.temp, stack.result};
-
-			buffer[0] = _left->eval_string(c, swapped_stack);
-
-			size_t pos = 1;
-			for (xpath_ast_node* n = _right; n; n = n->_next, ++pos) buffer[pos] = n->eval_string(c, swapped_stack);
-			assert(pos == count);
-
-			// get total length
-			size_t length = 0;
-			for (size_t i = 0; i < count; ++i) length += buffer[i].length();
-
-			// create final string
-			char_t* result = static_cast<char_t*>(stack.result->allocate((length + 1) * sizeof(char_t)));
-			assert(result);
-
-			char_t* ri = result;
-
-			for (size_t j = 0; j < count; ++j)
-				for (const char_t* bi = buffer[j].c_str(); *bi; ++bi)
-					*ri++ = *bi;
-
-			*ri = 0;
-
-			return xpath_string(result, true);
-		}
-
-		xpath_string eval_string(const xpath_context& c, const xpath_stack& stack)
-		{
-			switch (_type)
-			{
-			case ast_string_constant:
-				return xpath_string_const(_data.string);
-			
-			case ast_func_local_name_0:
-			{
-				xpath_node na = c.n;
-				
-				return xpath_string_const(local_name(na));
-			}
-
-			case ast_func_local_name_1:
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				xpath_node_set_raw ns = _left->eval_node_set(c, stack);
-				xpath_node na = ns.first();
-				
-				return xpath_string_const(local_name(na));
-			}
-
-			case ast_func_name_0:
-			{
-				xpath_node na = c.n;
-				
-				return xpath_string_const(qualified_name(na));
-			}
-
-			case ast_func_name_1:
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				xpath_node_set_raw ns = _left->eval_node_set(c, stack);
-				xpath_node na = ns.first();
-				
-				return xpath_string_const(qualified_name(na));
-			}
-
-			case ast_func_namespace_uri_0:
-			{
-				xpath_node na = c.n;
-				
-				return xpath_string_const(namespace_uri(na));
-			}
-
-			case ast_func_namespace_uri_1:
-			{
-				xpath_allocator_capture cr(stack.result);
-
-				xpath_node_set_raw ns = _left->eval_node_set(c, stack);
-				xpath_node na = ns.first();
-				
-				return xpath_string_const(namespace_uri(na));
-			}
-
-			case ast_func_string_0:
-				return string_value(c.n, stack.result);
-
-			case ast_func_string_1:
-				return _left->eval_string(c, stack);
-
-			case ast_func_concat:
-				return eval_string_concat(c, stack);
-
-			case ast_func_substring_before:
-			{
-				xpath_allocator_capture cr(stack.temp);
-
-				xpath_stack swapped_stack = {stack.temp, stack.result};
-
-				xpath_string s = _left->eval_string(c, swapped_stack);
-				xpath_string p = _right->eval_string(c, swapped_stack);
-
-				const char_t* pos = find_substring(s.c_str(), p.c_str());
-				
-				return pos ? xpath_string(s.c_str(), pos, stack.result) : xpath_string();
-			}
-			
-			case ast_func_substring_after:
-			{
-				xpath_allocator_capture cr(stack.temp);
-
-				xpath_stack swapped_stack = {stack.temp, stack.result};
-
-				xpath_string s = _left->eval_string(c, swapped_stack);
-				xpath_string p = _right->eval_string(c, swapped_stack);
-				
-				const char_t* pos = find_substring(s.c_str(), p.c_str());
-				if (!pos) return xpath_string();
-
-				const char_t* result = pos + p.length();
-
-				return s.uses_heap() ? xpath_string(result, stack.result) : xpath_string_const(result);
-			}
-
-			case ast_func_substring_2:
-			{
-				xpath_allocator_capture cr(stack.temp);
-
-				xpath_stack swapped_stack = {stack.temp, stack.result};
-
-				xpath_string s = _left->eval_string(c, swapped_stack);
-				size_t s_length = s.length();
-
-				double first = round_nearest(_right->eval_number(c, stack));
-				
-				if (is_nan(first)) return xpath_string(); // NaN
-				else if (first >= s_length + 1) return xpath_string();
-				
-				size_t pos = first < 1 ? 1 : static_cast<size_t>(first);
-				assert(1 <= pos && pos <= s_length + 1);
-
-				const char_t* rbegin = s.c_str() + (pos - 1);
-				
-				return s.uses_heap() ? xpath_string(rbegin, stack.result) : xpath_string_const(rbegin);
-			}
-			
-			case ast_func_substring_3:
-			{
-				xpath_allocator_capture cr(stack.temp);
-
-				xpath_stack swapped_stack = {stack.temp, stack.result};
-
-				xpath_string s = _left->eval_string(c, swapped_stack);
-				size_t s_length = s.length();
-
-				double first = round_nearest(_right->eval_number(c, stack));
-				double last = first + round_nearest(_right->_next->eval_number(c, stack));
-				
-				if (is_nan(first) || is_nan(last)) return xpath_string();
-				else if (first >= s_length + 1) return xpath_string();
-				else if (first >= last) return xpath_string();
-				else if (last < 1) return xpath_string();
-				
-				size_t pos = first < 1 ? 1 : static_cast<size_t>(first);
-				size_t end = last >= s_length + 1 ? s_length + 1 : static_cast<size_t>(last);
-
-				assert(1 <= pos && pos <= end && end <= s_length + 1);
-				const char_t* rbegin = s.c_str() + (pos - 1);
-				const char_t* rend = s.c_str() + (end - 1);
-
-				return (end == s_length + 1 && !s.uses_heap()) ? xpath_string_const(rbegin) : xpath_string(rbegin, rend, stack.result);
-			}
-
-			case ast_func_normalize_space_0:
-			{
-				xpath_string s = string_value(c.n, stack.result);
-
-				normalize_space(s.data(stack.result));
-
-				return s;
-			}
-
-			case ast_func_normalize_space_1:
-			{
-				xpath_string s = _left->eval_string(c, stack);
-
-				normalize_space(s.data(stack.result));
-			
-				return s;
-			}
-
-			case ast_func_translate:
-			{
-				xpath_allocator_capture cr(stack.temp);
-
-				xpath_stack swapped_stack = {stack.temp, stack.result};
-
-				xpath_string s = _left->eval_string(c, stack);
-				xpath_string from = _right->eval_string(c, swapped_stack);
-				xpath_string to = _right->_next->eval_string(c, swapped_stack);
-
-				translate(s.data(stack.result), from.c_str(), to.c_str());
-
-				return s;
-			}
-
-			case ast_variable:
-			{
-				assert(_rettype == _data.variable->type());
-
-				if (_rettype == xpath_type_string)
-					return xpath_string_const(_data.variable->get_string());
-
-				// fallthrough to type conversion
-			}
-
-			default:
-			{
-				switch (_rettype)
-				{
-				case xpath_type_boolean:
-					return xpath_string_const(eval_boolean(c, stack) ? PUGIXML_TEXT("true") : PUGIXML_TEXT("false"));
-					
-				case xpath_type_number:
-					return convert_number_to_string(eval_number(c, stack), stack.result);
-					
-				case xpath_type_node_set:
-				{
-					xpath_allocator_capture cr(stack.temp);
-
-					xpath_stack swapped_stack = {stack.temp, stack.result};
-
-					xpath_node_set_raw ns = eval_node_set(c, swapped_stack);
-					return ns.empty() ? xpath_string() : string_value(ns.first(), stack.result);
-				}
-				
-				default:
-					assert(!"Wrong expression for return type string");
-					return xpath_string();
-				}
-			}
-			}
-		}
-
-		xpath_node_set_raw eval_node_set(const xpath_context& c, const xpath_stack& stack)
-		{
-			switch (_type)
-			{
-			case ast_op_union:
-			{
-				xpath_allocator_capture cr(stack.temp);
-
-				xpath_stack swapped_stack = {stack.temp, stack.result};
-
-				xpath_node_set_raw ls = _left->eval_node_set(c, swapped_stack);
-				xpath_node_set_raw rs = _right->eval_node_set(c, stack);
-				
-				// we can optimize merging two sorted sets, but this is a very rare operation, so don't bother
-				rs.set_type(xpath_node_set::type_unsorted);
-
-				rs.append(ls.begin(), ls.end(), stack.result);
-				rs.remove_duplicates();
-				
-				return rs;
-			}
-
-			case ast_filter:
-			case ast_filter_posinv:
-			{
-				xpath_node_set_raw set = _left->eval_node_set(c, stack);
-
-				// either expression is a number or it contains position() call; sort by document order
-				if (_type == ast_filter) set.sort_do();
-
-				apply_predicate(set, 0, _right, stack);
-			
-				return set;
-			}
-			
-			case ast_func_id:
-				return xpath_node_set_raw();
-			
-			case ast_step:
-			{
-				switch (_axis)
-				{
-				case axis_ancestor:
-					return step_do(c, stack, axis_to_type<axis_ancestor>());
-					
-				case axis_ancestor_or_self:
-					return step_do(c, stack, axis_to_type<axis_ancestor_or_self>());
-
-				case axis_attribute:
-					return step_do(c, stack, axis_to_type<axis_attribute>());
-
-				case axis_child:
-					return step_do(c, stack, axis_to_type<axis_child>());
-				
-				case axis_descendant:
-					return step_do(c, stack, axis_to_type<axis_descendant>());
-
-				case axis_descendant_or_self:
-					return step_do(c, stack, axis_to_type<axis_descendant_or_self>());
-
-				case axis_following:
-					return step_do(c, stack, axis_to_type<axis_following>());
-				
-				case axis_following_sibling:
-					return step_do(c, stack, axis_to_type<axis_following_sibling>());
-				
-				case axis_namespace:
-					// namespaced axis is not supported
-					return xpath_node_set_raw();
-				
-				case axis_parent:
-					return step_do(c, stack, axis_to_type<axis_parent>());
-				
-				case axis_preceding:
-					return step_do(c, stack, axis_to_type<axis_preceding>());
-
-				case axis_preceding_sibling:
-					return step_do(c, stack, axis_to_type<axis_preceding_sibling>());
-				
-				case axis_self:
-					return step_do(c, stack, axis_to_type<axis_self>());
-
-				default:
-					assert(!"Unknown axis");
-					return xpath_node_set_raw();
-				}
-			}
-
-			case ast_step_root:
-			{
-				assert(!_right); // root step can't have any predicates
-
-				xpath_node_set_raw ns;
-
-				ns.set_type(xpath_node_set::type_sorted);
-
-				if (c.n.node()) ns.push_back(c.n.node().root(), stack.result);
-				else if (c.n.attribute()) ns.push_back(c.n.parent().root(), stack.result);
-
-				return ns;
-			}
-
-			case ast_variable:
-			{
-				assert(_rettype == _data.variable->type());
-
-				if (_rettype == xpath_type_node_set)
-				{
-					const xpath_node_set& s = _data.variable->get_node_set();
-
-					xpath_node_set_raw ns;
-
-					ns.set_type(s.type());
-					ns.append(s.begin(), s.end(), stack.result);
-
-					return ns;
-				}
-
-				// fallthrough to type conversion
-			}
-
-			default:
-				assert(!"Wrong expression for return type node set");
-				return xpath_node_set_raw();
-			}
-		}
-		
-		bool is_posinv()
-		{
-			switch (_type)
-			{
-			case ast_func_position:
-				return false;
-
-			case ast_string_constant:
-			case ast_number_constant:
-			case ast_variable:
-				return true;
-
-			case ast_step:
-			case ast_step_root:
-				return true;
-
-			case ast_predicate:
-			case ast_filter:
-			case ast_filter_posinv:
-				return true;
-
-			default:
-				if (_left && !_left->is_posinv()) return false;
-				
-				for (xpath_ast_node* n = _right; n; n = n->_next)
-					if (!n->is_posinv()) return false;
-					
-				return true;
-			}
-		}
-
-		xpath_value_type rettype() const
-		{
-			return static_cast<xpath_value_type>(_rettype);
-		}
-	};
-
-	struct xpath_parser
-	{
-		xpath_allocator* _alloc;
-		xpath_lexer _lexer;
-
-		const char_t* _query;
-		xpath_variable_set* _variables;
-
-		xpath_parse_result* _result;
-
-	#ifdef PUGIXML_NO_EXCEPTIONS
-		jmp_buf _error_handler;
-	#endif
-
-		void throw_error(const char* message)
-		{
-			_result->error = message;
-			_result->offset = _lexer.current_pos() - _query;
-
-		#ifdef PUGIXML_NO_EXCEPTIONS
-			longjmp(_error_handler, 1);
-		#else
-			throw xpath_exception(*_result);
-		#endif
-		}
-
-		void throw_error_oom()
-		{
-		#ifdef PUGIXML_NO_EXCEPTIONS
-			throw_error("Out of memory");
-		#else
-			throw std::bad_alloc();
-		#endif
-		}
-
-		void* alloc_node()
-		{
-			void* result = _alloc->allocate_nothrow(sizeof(xpath_ast_node));
-
-			if (!result) throw_error_oom();
-
-			return result;
-		}
-
-		const char_t* alloc_string(const xpath_lexer_string& value)
-		{
-			if (value.begin)
-			{
-				size_t length = static_cast<size_t>(value.end - value.begin);
-
-				char_t* c = static_cast<char_t*>(_alloc->allocate_nothrow((length + 1) * sizeof(char_t)));
-				if (!c) throw_error_oom();
-
-				memcpy(c, value.begin, length * sizeof(char_t));
-				c[length] = 0;
-
-				return c;
-			}
-			else return 0;
-		}
-
-		xpath_ast_node* parse_function_helper(ast_type_t type0, ast_type_t type1, size_t argc, xpath_ast_node* args[2])
-		{
-			assert(argc <= 1);
-
-			if (argc == 1 && args[0]->rettype() != xpath_type_node_set) throw_error("Function has to be applied to node set");
-
-			return new (alloc_node()) xpath_ast_node(argc == 0 ? type0 : type1, xpath_type_string, args[0]);
-		}
-
-		xpath_ast_node* parse_function(const xpath_lexer_string& name, size_t argc, xpath_ast_node* args[2])
-		{
-			switch (name.begin[0])
-			{
-			case 'b':
-				if (name == PUGIXML_TEXT("boolean") && argc == 1)
-					return new (alloc_node()) xpath_ast_node(ast_func_boolean, xpath_type_boolean, args[0]);
-					
-				break;
-			
-			case 'c':
-				if (name == PUGIXML_TEXT("count") && argc == 1)
-				{
-					if (args[0]->rettype() != xpath_type_node_set) throw_error("Function has to be applied to node set");
-					return new (alloc_node()) xpath_ast_node(ast_func_count, xpath_type_number, args[0]);
-				}
-				else if (name == PUGIXML_TEXT("contains") && argc == 2)
-					return new (alloc_node()) xpath_ast_node(ast_func_contains, xpath_type_string, args[0], args[1]);
-				else if (name == PUGIXML_TEXT("concat") && argc >= 2)
-					return new (alloc_node()) xpath_ast_node(ast_func_concat, xpath_type_string, args[0], args[1]);
-				else if (name == PUGIXML_TEXT("ceiling") && argc == 1)
-					return new (alloc_node()) xpath_ast_node(ast_func_ceiling, xpath_type_number, args[0]);
-					
-				break;
-			
-			case 'f':
-				if (name == PUGIXML_TEXT("false") && argc == 0)
-					return new (alloc_node()) xpath_ast_node(ast_func_false, xpath_type_boolean);
-				else if (name == PUGIXML_TEXT("floor") && argc == 1)
-					return new (alloc_node()) xpath_ast_node(ast_func_floor, xpath_type_number, args[0]);
-					
-				break;
-			
-			case 'i':
-				if (name == PUGIXML_TEXT("id") && argc == 1)
-					return new (alloc_node()) xpath_ast_node(ast_func_id, xpath_type_node_set, args[0]);
-					
-				break;
-			
-			case 'l':
-				if (name == PUGIXML_TEXT("last") && argc == 0)
-					return new (alloc_node()) xpath_ast_node(ast_func_last, xpath_type_number);
-				else if (name == PUGIXML_TEXT("lang") && argc == 1)
-					return new (alloc_node()) xpath_ast_node(ast_func_lang, xpath_type_boolean, args[0]);
-				else if (name == PUGIXML_TEXT("local-name") && argc <= 1)
-					return parse_function_helper(ast_func_local_name_0, ast_func_local_name_1, argc, args);
-			
-				break;
-			
-			case 'n':
-				if (name == PUGIXML_TEXT("name") && argc <= 1)
-					return parse_function_helper(ast_func_name_0, ast_func_name_1, argc, args);
-				else if (name == PUGIXML_TEXT("namespace-uri") && argc <= 1)
-					return parse_function_helper(ast_func_namespace_uri_0, ast_func_namespace_uri_1, argc, args);
-				else if (name == PUGIXML_TEXT("normalize-space") && argc <= 1)
-					return new (alloc_node()) xpath_ast_node(argc == 0 ? ast_func_normalize_space_0 : ast_func_normalize_space_1, xpath_type_string, args[0], args[1]);
-				else if (name == PUGIXML_TEXT("not") && argc == 1)
-					return new (alloc_node()) xpath_ast_node(ast_func_not, xpath_type_boolean, args[0]);
-				else if (name == PUGIXML_TEXT("number") && argc <= 1)
-					return new (alloc_node()) xpath_ast_node(argc == 0 ? ast_func_number_0 : ast_func_number_1, xpath_type_number, args[0]);
-			
-				break;
-			
-			case 'p':
-				if (name == PUGIXML_TEXT("position") && argc == 0)
-					return new (alloc_node()) xpath_ast_node(ast_func_position, xpath_type_number);
-				
-				break;
-			
-			case 'r':
-				if (name == PUGIXML_TEXT("round") && argc == 1)
-					return new (alloc_node()) xpath_ast_node(ast_func_round, xpath_type_number, args[0]);
-
-				break;
-			
-			case 's':
-				if (name == PUGIXML_TEXT("string") && argc <= 1)
-					return new (alloc_node()) xpath_ast_node(argc == 0 ? ast_func_string_0 : ast_func_string_1, xpath_type_string, args[0]);
-				else if (name == PUGIXML_TEXT("string-length") && argc <= 1)
-					return new (alloc_node()) xpath_ast_node(argc == 0 ? ast_func_string_length_0 : ast_func_string_length_1, xpath_type_string, args[0]);
-				else if (name == PUGIXML_TEXT("starts-with") && argc == 2)
-					return new (alloc_node()) xpath_ast_node(ast_func_starts_with, xpath_type_boolean, args[0], args[1]);
-				else if (name == PUGIXML_TEXT("substring-before") && argc == 2)
-					return new (alloc_node()) xpath_ast_node(ast_func_substring_before, xpath_type_string, args[0], args[1]);
-				else if (name == PUGIXML_TEXT("substring-after") && argc == 2)
-					return new (alloc_node()) xpath_ast_node(ast_func_substring_after, xpath_type_string, args[0], args[1]);
-				else if (name == PUGIXML_TEXT("substring") && (argc == 2 || argc == 3))
-					return new (alloc_node()) xpath_ast_node(argc == 2 ? ast_func_substring_2 : ast_func_substring_3, xpath_type_string, args[0], args[1]);
-				else if (name == PUGIXML_TEXT("sum") && argc == 1)
-				{
-					if (args[0]->rettype() != xpath_type_node_set) throw_error("Function has to be applied to node set");
-					return new (alloc_node()) xpath_ast_node(ast_func_sum, xpath_type_number, args[0]);
-				}
-
-				break;
-			
-			case 't':
-				if (name == PUGIXML_TEXT("translate") && argc == 3)
-					return new (alloc_node()) xpath_ast_node(ast_func_translate, xpath_type_string, args[0], args[1]);
-				else if (name == PUGIXML_TEXT("true") && argc == 0)
-					return new (alloc_node()) xpath_ast_node(ast_func_true, xpath_type_boolean);
-					
-				break;
-
-			default:
-				break;
-			}
-
-			throw_error("Unrecognized function or wrong parameter count");
-
-			return 0;
-		}
-
-		axis_t parse_axis_name(const xpath_lexer_string& name, bool& specified)
-		{
-			specified = true;
-
-			switch (name.begin[0])
-			{
-			case 'a':
-				if (name == PUGIXML_TEXT("ancestor"))
-					return axis_ancestor;
-				else if (name == PUGIXML_TEXT("ancestor-or-self"))
-					return axis_ancestor_or_self;
-				else if (name == PUGIXML_TEXT("attribute"))
-					return axis_attribute;
-				
-				break;
-			
-			case 'c':
-				if (name == PUGIXML_TEXT("child"))
-					return axis_child;
-				
-				break;
-			
-			case 'd':
-				if (name == PUGIXML_TEXT("descendant"))
-					return axis_descendant;
-				else if (name == PUGIXML_TEXT("descendant-or-self"))
-					return axis_descendant_or_self;
-				
-				break;
-			
-			case 'f':
-				if (name == PUGIXML_TEXT("following"))
-					return axis_following;
-				else if (name == PUGIXML_TEXT("following-sibling"))
-					return axis_following_sibling;
-				
-				break;
-			
-			case 'n':
-				if (name == PUGIXML_TEXT("namespace"))
-					return axis_namespace;
-				
-				break;
-			
-			case 'p':
-				if (name == PUGIXML_TEXT("parent"))
-					return axis_parent;
-				else if (name == PUGIXML_TEXT("preceding"))
-					return axis_preceding;
-				else if (name == PUGIXML_TEXT("preceding-sibling"))
-					return axis_preceding_sibling;
-				
-				break;
-			
-			case 's':
-				if (name == PUGIXML_TEXT("self"))
-					return axis_self;
-				
-				break;
-
-			default:
-				break;
-			}
-
-			specified = false;
-			return axis_child;
-		}
-
-		nodetest_t parse_node_test_type(const xpath_lexer_string& name)
-		{
-			switch (name.begin[0])
-			{
-			case 'c':
-				if (name == PUGIXML_TEXT("comment"))
-					return nodetest_type_comment;
-
-				break;
-
-			case 'n':
-				if (name == PUGIXML_TEXT("node"))
-					return nodetest_type_node;
-
-				break;
-
-			case 'p':
-				if (name == PUGIXML_TEXT("processing-instruction"))
-					return nodetest_type_pi;
-
-				break;
-
-			case 't':
-				if (name == PUGIXML_TEXT("text"))
-					return nodetest_type_text;
-
-				break;
-			
-			default:
-				break;
-			}
-
-			return nodetest_none;
-		}
-
-		// PrimaryExpr ::= VariableReference | '(' Expr ')' | Literal | Number | FunctionCall
-		xpath_ast_node* parse_primary_expression()
-		{
-			switch (_lexer.current())
-			{
-			case lex_var_ref:
-			{
-				xpath_lexer_string name = _lexer.contents();
-
-				if (!_variables)
-					throw_error("Unknown variable: variable set is not provided");
-
-				xpath_variable* var = get_variable(_variables, name.begin, name.end);
-
-				if (!var)
-					throw_error("Unknown variable: variable set does not contain the given name");
-
-				_lexer.next();
-
-				return new (alloc_node()) xpath_ast_node(ast_variable, var->type(), var);
-			}
-
-			case lex_open_brace:
-			{
-				_lexer.next();
-
-				xpath_ast_node* n = parse_expression();
-
-				if (_lexer.current() != lex_close_brace)
-					throw_error("Unmatched braces");
-
-				_lexer.next();
-
-				return n;
-			}
-
-			case lex_quoted_string:
-			{
-				const char_t* value = alloc_string(_lexer.contents());
-
-				xpath_ast_node* n = new (alloc_node()) xpath_ast_node(ast_string_constant, xpath_type_string, value);
-				_lexer.next();
-
-				return n;
-			}
-
-			case lex_number:
-			{
-				double value = 0;
-
-				if (!convert_string_to_number(_lexer.contents().begin, _lexer.contents().end, &value))
-					throw_error_oom();
-
-				xpath_ast_node* n = new (alloc_node()) xpath_ast_node(ast_number_constant, xpath_type_number, value);
-				_lexer.next();
-
-				return n;
-			}
-
-			case lex_string:
-			{
-				xpath_ast_node* args[2] = {0};
-				size_t argc = 0;
-				
-				xpath_lexer_string function = _lexer.contents();
-				_lexer.next();
-				
-				xpath_ast_node* last_arg = 0;
-				
-				if (_lexer.current() != lex_open_brace)
-					throw_error("Unrecognized function call");
-				_lexer.next();
-
-				if (_lexer.current() != lex_close_brace)
-					args[argc++] = parse_expression();
-
-				while (_lexer.current() != lex_close_brace)
-				{
-					if (_lexer.current() != lex_comma)
-						throw_error("No comma between function arguments");
-					_lexer.next();
-					
-					xpath_ast_node* n = parse_expression();
-					
-					if (argc < 2) args[argc] = n;
-					else last_arg->set_next(n);
-
-					argc++;
-					last_arg = n;
-				}
-				
-				_lexer.next();
-
-				return parse_function(function, argc, args);
-			}
-
-			default:
-				throw_error("Unrecognizable primary expression");
-
-				return 0;
-			}
-		}
-		
-		// FilterExpr ::= PrimaryExpr | FilterExpr Predicate
-		// Predicate ::= '[' PredicateExpr ']'
-		// PredicateExpr ::= Expr
-		xpath_ast_node* parse_filter_expression()
-		{
-			xpath_ast_node* n = parse_primary_expression();
-
-			while (_lexer.current() == lex_open_square_brace)
-			{
-				_lexer.next();
-
-				xpath_ast_node* expr = parse_expression();
-
-				if (n->rettype() != xpath_type_node_set) throw_error("Predicate has to be applied to node set");
-
-				bool posinv = expr->rettype() != xpath_type_number && expr->is_posinv();
-
-				n = new (alloc_node()) xpath_ast_node(posinv ? ast_filter_posinv : ast_filter, xpath_type_node_set, n, expr);
-
-				if (_lexer.current() != lex_close_square_brace)
-					throw_error("Unmatched square brace");
-			
-				_lexer.next();
-			}
-			
-			return n;
-		}
-		
-		// Step ::= AxisSpecifier NodeTest Predicate* | AbbreviatedStep
-		// AxisSpecifier ::= AxisName '::' | '@'?
-		// NodeTest ::= NameTest | NodeType '(' ')' | 'processing-instruction' '(' Literal ')'
-		// NameTest ::= '*' | NCName ':' '*' | QName
-		// AbbreviatedStep ::= '.' | '..'
-		xpath_ast_node* parse_step(xpath_ast_node* set)
-		{
-			if (set && set->rettype() != xpath_type_node_set)
-				throw_error("Step has to be applied to node set");
-
-			bool axis_specified = false;
-			axis_t axis = axis_child; // implied child axis
-
-			if (_lexer.current() == lex_axis_attribute)
-			{
-				axis = axis_attribute;
-				axis_specified = true;
-				
-				_lexer.next();
-			}
-			else if (_lexer.current() == lex_dot)
-			{
-				_lexer.next();
-				
-				return new (alloc_node()) xpath_ast_node(ast_step, set, axis_self, nodetest_type_node, 0);
-			}
-			else if (_lexer.current() == lex_double_dot)
-			{
-				_lexer.next();
-				
-				return new (alloc_node()) xpath_ast_node(ast_step, set, axis_parent, nodetest_type_node, 0);
-			}
-		
-			nodetest_t nt_type = nodetest_none;
-			xpath_lexer_string nt_name;
-			
-			if (_lexer.current() == lex_string)
-			{
-				// node name test
-				nt_name = _lexer.contents();
-				_lexer.next();
-
-				// was it an axis name?
-				if (_lexer.current() == lex_double_colon)
-				{
-					// parse axis name
-					if (axis_specified) throw_error("Two axis specifiers in one step");
-
-					axis = parse_axis_name(nt_name, axis_specified);
-
-					if (!axis_specified) throw_error("Unknown axis");
-
-					// read actual node test
-					_lexer.next();
-
-					if (_lexer.current() == lex_multiply)
-					{
-						nt_type = nodetest_all;
-						nt_name = xpath_lexer_string();
-						_lexer.next();
-					}
-					else if (_lexer.current() == lex_string)
-					{
-						nt_name = _lexer.contents();
-						_lexer.next();
-					}
-					else throw_error("Unrecognized node test");
-				}
-				
-				if (nt_type == nodetest_none)
-				{
-					// node type test or processing-instruction
-					if (_lexer.current() == lex_open_brace)
-					{
-						_lexer.next();
-						
-						if (_lexer.current() == lex_close_brace)
-						{
-							_lexer.next();
-
-							nt_type = parse_node_test_type(nt_name);
-
-							if (nt_type == nodetest_none) throw_error("Unrecognized node type");
-							
-							nt_name = xpath_lexer_string();
-						}
-						else if (nt_name == PUGIXML_TEXT("processing-instruction"))
-						{
-							if (_lexer.current() != lex_quoted_string)
-								throw_error("Only literals are allowed as arguments to processing-instruction()");
-						
-							nt_type = nodetest_pi;
-							nt_name = _lexer.contents();
-							_lexer.next();
-							
-							if (_lexer.current() != lex_close_brace)
-								throw_error("Unmatched brace near processing-instruction()");
-							_lexer.next();
-						}
-						else
-							throw_error("Unmatched brace near node type test");
-
-					}
-					// QName or NCName:*
-					else
-					{
-						if (nt_name.end - nt_name.begin > 2 && nt_name.end[-2] == ':' && nt_name.end[-1] == '*') // NCName:*
-						{
-							nt_name.end--; // erase *
-							
-							nt_type = nodetest_all_in_namespace;
-						}
-						else nt_type = nodetest_name;
-					}
-				}
-			}
-			else if (_lexer.current() == lex_multiply)
-			{
-				nt_type = nodetest_all;
-				_lexer.next();
-			}
-			else throw_error("Unrecognized node test");
-			
-			xpath_ast_node* n = new (alloc_node()) xpath_ast_node(ast_step, set, axis, nt_type, alloc_string(nt_name));
-			
-			xpath_ast_node* last = 0;
-			
-			while (_lexer.current() == lex_open_square_brace)
-			{
-				_lexer.next();
-				
-				xpath_ast_node* expr = parse_expression();
-
-				xpath_ast_node* pred = new (alloc_node()) xpath_ast_node(ast_predicate, xpath_type_node_set, expr);
-				
-				if (_lexer.current() != lex_close_square_brace)
-					throw_error("Unmatched square brace");
-				_lexer.next();
-				
-				if (last) last->set_next(pred);
-				else n->set_right(pred);
-				
-				last = pred;
-			}
-			
-			return n;
-		}
-		
-		// RelativeLocationPath ::= Step | RelativeLocationPath '/' Step | RelativeLocationPath '//' Step
-		xpath_ast_node* parse_relative_location_path(xpath_ast_node* set)
-		{
-			xpath_ast_node* n = parse_step(set);
-			
-			while (_lexer.current() == lex_slash || _lexer.current() == lex_double_slash)
-			{
-				lexeme_t l = _lexer.current();
-				_lexer.next();
-
-				if (l == lex_double_slash)
-					n = new (alloc_node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0);
-				
-				n = parse_step(n);
-			}
-			
-			return n;
-		}
-		
-		// LocationPath ::= RelativeLocationPath | AbsoluteLocationPath
-		// AbsoluteLocationPath ::= '/' RelativeLocationPath? | '//' RelativeLocationPath
-		xpath_ast_node* parse_location_path()
-		{
-			if (_lexer.current() == lex_slash)
-			{
-				_lexer.next();
-				
-				xpath_ast_node* n = new (alloc_node()) xpath_ast_node(ast_step_root, xpath_type_node_set);
-
-				// relative location path can start from axis_attribute, dot, double_dot, multiply and string lexemes; any other lexeme means standalone root path
-				lexeme_t l = _lexer.current();
-
-				if (l == lex_string || l == lex_axis_attribute || l == lex_dot || l == lex_double_dot || l == lex_multiply)
-					return parse_relative_location_path(n);
-				else
-					return n;
-			}
-			else if (_lexer.current() == lex_double_slash)
-			{
-				_lexer.next();
-				
-				xpath_ast_node* n = new (alloc_node()) xpath_ast_node(ast_step_root, xpath_type_node_set);
-				n = new (alloc_node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0);
-				
-				return parse_relative_location_path(n);
-			}
-
-			// else clause moved outside of if because of bogus warning 'control may reach end of non-void function being inlined' in gcc 4.0.1
-			return parse_relative_location_path(0);
-		}
-		
-		// PathExpr ::= LocationPath
-		//				| FilterExpr
-		//				| FilterExpr '/' RelativeLocationPath
-		//				| FilterExpr '//' RelativeLocationPath
-		xpath_ast_node* parse_path_expression()
-		{
-			// Clarification.
-			// PathExpr begins with either LocationPath or FilterExpr.
-			// FilterExpr begins with PrimaryExpr
-			// PrimaryExpr begins with '$' in case of it being a variable reference,
-			// '(' in case of it being an expression, string literal, number constant or
-			// function call.
-
-			if (_lexer.current() == lex_var_ref || _lexer.current() == lex_open_brace || 
-				_lexer.current() == lex_quoted_string || _lexer.current() == lex_number ||
-				_lexer.current() == lex_string)
-			{
-				if (_lexer.current() == lex_string)
-				{
-					// This is either a function call, or not - if not, we shall proceed with location path
-					const char_t* state = _lexer.state();
-					
-					while (PUGI__IS_CHARTYPE(*state, ct_space)) ++state;
-					
-					if (*state != '(') return parse_location_path();
-
-					// This looks like a function call; however this still can be a node-test. Check it.
-					if (parse_node_test_type(_lexer.contents()) != nodetest_none) return parse_location_path();
-				}
-				
-				xpath_ast_node* n = parse_filter_expression();
-
-				if (_lexer.current() == lex_slash || _lexer.current() == lex_double_slash)
-				{
-					lexeme_t l = _lexer.current();
-					_lexer.next();
-					
-					if (l == lex_double_slash)
-					{
-						if (n->rettype() != xpath_type_node_set) throw_error("Step has to be applied to node set");
-
-						n = new (alloc_node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0);
-					}
-	
-					// select from location path
-					return parse_relative_location_path(n);
-				}
-
-				return n;
-			}
-			else return parse_location_path();
-		}
-
-		// UnionExpr ::= PathExpr | UnionExpr '|' PathExpr
-		xpath_ast_node* parse_union_expression()
-		{
-			xpath_ast_node* n = parse_path_expression();
-
-			while (_lexer.current() == lex_union)
-			{
-				_lexer.next();
-
-				xpath_ast_node* expr = parse_union_expression();
-
-				if (n->rettype() != xpath_type_node_set || expr->rettype() != xpath_type_node_set)
-					throw_error("Union operator has to be applied to node sets");
-
-				n = new (alloc_node()) xpath_ast_node(ast_op_union, xpath_type_node_set, n, expr);
-			}
-
-			return n;
-		}
-
-		// UnaryExpr ::= UnionExpr | '-' UnaryExpr
-		xpath_ast_node* parse_unary_expression()
-		{
-			if (_lexer.current() == lex_minus)
-			{
-				_lexer.next();
-
-				xpath_ast_node* expr = parse_unary_expression();
-
-				return new (alloc_node()) xpath_ast_node(ast_op_negate, xpath_type_number, expr);
-			}
-			else return parse_union_expression();
-		}
-		
-		// MultiplicativeExpr ::= UnaryExpr
-		//						  | MultiplicativeExpr '*' UnaryExpr
-		//						  | MultiplicativeExpr 'div' UnaryExpr
-		//						  | MultiplicativeExpr 'mod' UnaryExpr
-		xpath_ast_node* parse_multiplicative_expression()
-		{
-			xpath_ast_node* n = parse_unary_expression();
-
-			while (_lexer.current() == lex_multiply || (_lexer.current() == lex_string &&
-				   (_lexer.contents() == PUGIXML_TEXT("mod") || _lexer.contents() == PUGIXML_TEXT("div"))))
-			{
-				ast_type_t op = _lexer.current() == lex_multiply ? ast_op_multiply :
-					_lexer.contents().begin[0] == 'd' ? ast_op_divide : ast_op_mod;
-				_lexer.next();
-
-				xpath_ast_node* expr = parse_unary_expression();
-
-				n = new (alloc_node()) xpath_ast_node(op, xpath_type_number, n, expr);
-			}
-
-			return n;
-		}
-
-		// AdditiveExpr ::= MultiplicativeExpr
-		//					| AdditiveExpr '+' MultiplicativeExpr
-		//					| AdditiveExpr '-' MultiplicativeExpr
-		xpath_ast_node* parse_additive_expression()
-		{
-			xpath_ast_node* n = parse_multiplicative_expression();
-
-			while (_lexer.current() == lex_plus || _lexer.current() == lex_minus)
-			{
-				lexeme_t l = _lexer.current();
-
-				_lexer.next();
-
-				xpath_ast_node* expr = parse_multiplicative_expression();
-
-				n = new (alloc_node()) xpath_ast_node(l == lex_plus ? ast_op_add : ast_op_subtract, xpath_type_number, n, expr);
-			}
-
-			return n;
-		}
-
-		// RelationalExpr ::= AdditiveExpr
-		//					  | RelationalExpr '<' AdditiveExpr
-		//					  | RelationalExpr '>' AdditiveExpr
-		//					  | RelationalExpr '<=' AdditiveExpr
-		//					  | RelationalExpr '>=' AdditiveExpr
-		xpath_ast_node* parse_relational_expression()
-		{
-			xpath_ast_node* n = parse_additive_expression();
-
-			while (_lexer.current() == lex_less || _lexer.current() == lex_less_or_equal || 
-				   _lexer.current() == lex_greater || _lexer.current() == lex_greater_or_equal)
-			{
-				lexeme_t l = _lexer.current();
-				_lexer.next();
-
-				xpath_ast_node* expr = parse_additive_expression();
-
-				n = new (alloc_node()) xpath_ast_node(l == lex_less ? ast_op_less : l == lex_greater ? ast_op_greater :
-								l == lex_less_or_equal ? ast_op_less_or_equal : ast_op_greater_or_equal, xpath_type_boolean, n, expr);
-			}
-
-			return n;
-		}
-		
-		// EqualityExpr ::= RelationalExpr
-		//					| EqualityExpr '=' RelationalExpr
-		//					| EqualityExpr '!=' RelationalExpr
-		xpath_ast_node* parse_equality_expression()
-		{
-			xpath_ast_node* n = parse_relational_expression();
-
-			while (_lexer.current() == lex_equal || _lexer.current() == lex_not_equal)
-			{
-				lexeme_t l = _lexer.current();
-
-				_lexer.next();
-
-				xpath_ast_node* expr = parse_relational_expression();
-
-				n = new (alloc_node()) xpath_ast_node(l == lex_equal ? ast_op_equal : ast_op_not_equal, xpath_type_boolean, n, expr);
-			}
-
-			return n;
-		}
-		
-		// AndExpr ::= EqualityExpr | AndExpr 'and' EqualityExpr
-		xpath_ast_node* parse_and_expression()
-		{
-			xpath_ast_node* n = parse_equality_expression();
-
-			while (_lexer.current() == lex_string && _lexer.contents() == PUGIXML_TEXT("and"))
-			{
-				_lexer.next();
-
-				xpath_ast_node* expr = parse_equality_expression();
-
-				n = new (alloc_node()) xpath_ast_node(ast_op_and, xpath_type_boolean, n, expr);
-			}
-
-			return n;
-		}
-
-		// OrExpr ::= AndExpr | OrExpr 'or' AndExpr
-		xpath_ast_node* parse_or_expression()
-		{
-			xpath_ast_node* n = parse_and_expression();
-
-			while (_lexer.current() == lex_string && _lexer.contents() == PUGIXML_TEXT("or"))
-			{
-				_lexer.next();
-
-				xpath_ast_node* expr = parse_and_expression();
-
-				n = new (alloc_node()) xpath_ast_node(ast_op_or, xpath_type_boolean, n, expr);
-			}
-
-			return n;
-		}
-		
-		// Expr ::= OrExpr
-		xpath_ast_node* parse_expression()
-		{
-			return parse_or_expression();
-		}
-
-		xpath_parser(const char_t* query, xpath_variable_set* variables, xpath_allocator* alloc, xpath_parse_result* result): _alloc(alloc), _lexer(query), _query(query), _variables(variables), _result(result)
-		{
-		}
-
-		xpath_ast_node* parse()
-		{
-			xpath_ast_node* result = parse_expression();
-			
-			if (_lexer.current() != lex_eof)
-			{
-				// there are still unparsed tokens left, error
-				throw_error("Incorrect query");
-			}
-			
-			return result;
-		}
-
-		static xpath_ast_node* parse(const char_t* query, xpath_variable_set* variables, xpath_allocator* alloc, xpath_parse_result* result)
-		{
-			xpath_parser parser(query, variables, alloc, result);
-
-		#ifdef PUGIXML_NO_EXCEPTIONS
-			int error = setjmp(parser._error_handler);
-
-			return (error == 0) ? parser.parse() : 0;
-		#else
-			return parser.parse();
-		#endif
-		}
-	};
-
-	struct xpath_query_impl
-	{
-		static xpath_query_impl* create()
-		{
-			void* memory = xml_memory::allocate(sizeof(xpath_query_impl));
-
-			return new (memory) xpath_query_impl();
-		}
-
-		static void destroy(void* ptr)
-		{
-			if (!ptr) return;
-			
-			// free all allocated pages
-			static_cast<xpath_query_impl*>(ptr)->alloc.release();
-
-			// free allocator memory (with the first page)
-			xml_memory::deallocate(ptr);
-		}
-
-		xpath_query_impl(): root(0), alloc(&block)
-		{
-			block.next = 0;
-		}
-
-		xpath_ast_node* root;
-		xpath_allocator alloc;
-		xpath_memory_block block;
-	};
-
-	PUGI__FN xpath_string evaluate_string_impl(xpath_query_impl* impl, const xpath_node& n, xpath_stack_data& sd)
-	{
-		if (!impl) return xpath_string();
-
-	#ifdef PUGIXML_NO_EXCEPTIONS
-		if (setjmp(sd.error_handler)) return xpath_string();
-	#endif
-
-		xpath_context c(n, 1, 1);
-
-		return impl->root->eval_string(c, sd.stack);
-	}
-PUGI__NS_END
-
-namespace pugi
-{
-#ifndef PUGIXML_NO_EXCEPTIONS
-	PUGI__FN xpath_exception::xpath_exception(const xpath_parse_result& result_): _result(result_)
-	{
-		assert(_result.error);
-	}
-	
-	PUGI__FN const char* xpath_exception::what() const throw()
-	{
-		return _result.error;
-	}
-
-	PUGI__FN const xpath_parse_result& xpath_exception::result() const
-	{
-		return _result;
-	}
-#endif
-	
-	PUGI__FN xpath_node::xpath_node()
-	{
-	}
-		
-	PUGI__FN xpath_node::xpath_node(const xml_node& node_): _node(node_)
-	{
-	}
-		
-	PUGI__FN xpath_node::xpath_node(const xml_attribute& attribute_, const xml_node& parent_): _node(attribute_ ? parent_ : xml_node()), _attribute(attribute_)
-	{
-	}
-
-	PUGI__FN xml_node xpath_node::node() const
-	{
-		return _attribute ? xml_node() : _node;
-	}
-		
-	PUGI__FN xml_attribute xpath_node::attribute() const
-	{
-		return _attribute;
-	}
-	
-	PUGI__FN xml_node xpath_node::parent() const
-	{
-		return _attribute ? _node : _node.parent();
-	}
-
-	PUGI__FN static void unspecified_bool_xpath_node(xpath_node***)
-	{
-	}
-
-	PUGI__FN xpath_node::operator xpath_node::unspecified_bool_type() const
-	{
-		return (_node || _attribute) ? unspecified_bool_xpath_node : 0;
-	}
-	
-	PUGI__FN bool xpath_node::operator!() const
-	{
-		return !(_node || _attribute);
-	}
-
-	PUGI__FN bool xpath_node::operator==(const xpath_node& n) const
-	{
-		return _node == n._node && _attribute == n._attribute;
-	}
-	
-	PUGI__FN bool xpath_node::operator!=(const xpath_node& n) const
-	{
-		return _node != n._node || _attribute != n._attribute;
-	}
-
-#ifdef __BORLANDC__
-	PUGI__FN bool operator&&(const xpath_node& lhs, bool rhs)
-	{
-		return (bool)lhs && rhs;
-	}
-
-	PUGI__FN bool operator||(const xpath_node& lhs, bool rhs)
-	{
-		return (bool)lhs || rhs;
-	}
-#endif
-
-	PUGI__FN void xpath_node_set::_assign(const_iterator begin_, const_iterator end_)
-	{
-		assert(begin_ <= end_);
-
-		size_t size_ = static_cast<size_t>(end_ - begin_);
-
-		if (size_ <= 1)
-		{
-			// deallocate old buffer
-			if (_begin != &_storage) impl::xml_memory::deallocate(_begin);
-
-			// use internal buffer
-			if (begin_ != end_) _storage = *begin_;
-
-			_begin = &_storage;
-			_end = &_storage + size_;
-		}
-		else
-		{
-			// make heap copy
-			xpath_node* storage = static_cast<xpath_node*>(impl::xml_memory::allocate(size_ * sizeof(xpath_node)));
-
-			if (!storage)
-			{
-			#ifdef PUGIXML_NO_EXCEPTIONS
-				return;
-			#else
-				throw std::bad_alloc();
-			#endif
-			}
-
-			memcpy(storage, begin_, size_ * sizeof(xpath_node));
-			
-			// deallocate old buffer
-			if (_begin != &_storage) impl::xml_memory::deallocate(_begin);
-
-			// finalize
-			_begin = storage;
-			_end = storage + size_;
-		}
-	}
-
-	PUGI__FN xpath_node_set::xpath_node_set(): _type(type_unsorted), _begin(&_storage), _end(&_storage)
-	{
-	}
-
-	PUGI__FN xpath_node_set::xpath_node_set(const_iterator begin_, const_iterator end_, type_t type_): _type(type_), _begin(&_storage), _end(&_storage)
-	{
-		_assign(begin_, end_);
-	}
-
-	PUGI__FN xpath_node_set::~xpath_node_set()
-	{
-		if (_begin != &_storage) impl::xml_memory::deallocate(_begin);
-	}
-		
-	PUGI__FN xpath_node_set::xpath_node_set(const xpath_node_set& ns): _type(ns._type), _begin(&_storage), _end(&_storage)
-	{
-		_assign(ns._begin, ns._end);
-	}
-	
-	PUGI__FN xpath_node_set& xpath_node_set::operator=(const xpath_node_set& ns)
-	{
-		if (this == &ns) return *this;
-		
-		_type = ns._type;
-		_assign(ns._begin, ns._end);
-
-		return *this;
-	}
-
-	PUGI__FN xpath_node_set::type_t xpath_node_set::type() const
-	{
-		return _type;
-	}
-		
-	PUGI__FN size_t xpath_node_set::size() const
-	{
-		return _end - _begin;
-	}
-		
-	PUGI__FN bool xpath_node_set::empty() const
-	{
-		return _begin == _end;
-	}
-		
-	PUGI__FN const xpath_node& xpath_node_set::operator[](size_t index) const
-	{
-		assert(index < size());
-		return _begin[index];
-	}
-
-	PUGI__FN xpath_node_set::const_iterator xpath_node_set::begin() const
-	{
-		return _begin;
-	}
-		
-	PUGI__FN xpath_node_set::const_iterator xpath_node_set::end() const
-	{
-		return _end;
-	}
-	
-	PUGI__FN void xpath_node_set::sort(bool reverse)
-	{
-		_type = impl::xpath_sort(_begin, _end, _type, reverse);
-	}
-
-	PUGI__FN xpath_node xpath_node_set::first() const
-	{
-		return impl::xpath_first(_begin, _end, _type);
-	}
-
-	PUGI__FN xpath_parse_result::xpath_parse_result(): error("Internal error"), offset(0)
-	{
-	}
-
-	PUGI__FN xpath_parse_result::operator bool() const
-	{
-		return error == 0;
-	}
-
-	PUGI__FN const char* xpath_parse_result::description() const
-	{
-		return error ? error : "No error";
-	}
-
-	PUGI__FN xpath_variable::xpath_variable()
-	{
-	}
-
-	PUGI__FN const char_t* xpath_variable::name() const
-	{
-		switch (_type)
-		{
-		case xpath_type_node_set:
-			return static_cast<const impl::xpath_variable_node_set*>(this)->name;
-
-		case xpath_type_number:
-			return static_cast<const impl::xpath_variable_number*>(this)->name;
-
-		case xpath_type_string:
-			return static_cast<const impl::xpath_variable_string*>(this)->name;
-
-		case xpath_type_boolean:
-			return static_cast<const impl::xpath_variable_boolean*>(this)->name;
-
-		default:
-			assert(!"Invalid variable type");
-			return 0;
-		}
-	}
-
-	PUGI__FN xpath_value_type xpath_variable::type() const
-	{
-		return _type;
-	}
-
-	PUGI__FN bool xpath_variable::get_boolean() const
-	{
-		return (_type == xpath_type_boolean) ? static_cast<const impl::xpath_variable_boolean*>(this)->value : false;
-	}
-
-	PUGI__FN double xpath_variable::get_number() const
-	{
-		return (_type == xpath_type_number) ? static_cast<const impl::xpath_variable_number*>(this)->value : impl::gen_nan();
-	}
-
-	PUGI__FN const char_t* xpath_variable::get_string() const
-	{
-		const char_t* value = (_type == xpath_type_string) ? static_cast<const impl::xpath_variable_string*>(this)->value : 0;
-		return value ? value : PUGIXML_TEXT("");
-	}
-
-	PUGI__FN const xpath_node_set& xpath_variable::get_node_set() const
-	{
-		return (_type == xpath_type_node_set) ? static_cast<const impl::xpath_variable_node_set*>(this)->value : impl::dummy_node_set;
-	}
-
-	PUGI__FN bool xpath_variable::set(bool value)
-	{
-		if (_type != xpath_type_boolean) return false;
-
-		static_cast<impl::xpath_variable_boolean*>(this)->value = value;
-		return true;
-	}
-
-	PUGI__FN bool xpath_variable::set(double value)
-	{
-		if (_type != xpath_type_number) return false;
-
-		static_cast<impl::xpath_variable_number*>(this)->value = value;
-		return true;
-	}
-
-	PUGI__FN bool xpath_variable::set(const char_t* value)
-	{
-		if (_type != xpath_type_string) return false;
-
-		impl::xpath_variable_string* var = static_cast<impl::xpath_variable_string*>(this);
-
-		// duplicate string
-		size_t size = (impl::strlength(value) + 1) * sizeof(char_t);
-
-		char_t* copy = static_cast<char_t*>(impl::xml_memory::allocate(size));
-		if (!copy) return false;
-
-		memcpy(copy, value, size);
-
-		// replace old string
-		if (var->value) impl::xml_memory::deallocate(var->value);
-		var->value = copy;
-
-		return true;
-	}
-
-	PUGI__FN bool xpath_variable::set(const xpath_node_set& value)
-	{
-		if (_type != xpath_type_node_set) return false;
-
-		static_cast<impl::xpath_variable_node_set*>(this)->value = value;
-		return true;
-	}
-
-	PUGI__FN xpath_variable_set::xpath_variable_set()
-	{
-		for (size_t i = 0; i < sizeof(_data) / sizeof(_data[0]); ++i) _data[i] = 0;
-	}
-
-	PUGI__FN xpath_variable_set::~xpath_variable_set()
-	{
-		for (size_t i = 0; i < sizeof(_data) / sizeof(_data[0]); ++i)
-		{
-			xpath_variable* var = _data[i];
-
-			while (var)
-			{
-				xpath_variable* next = var->_next;
-
-				impl::delete_xpath_variable(var->_type, var);
-
-				var = next;
-			}
-		}
-	}
-
-	PUGI__FN xpath_variable* xpath_variable_set::find(const char_t* name) const
-	{
-		const size_t hash_size = sizeof(_data) / sizeof(_data[0]);
-		size_t hash = impl::hash_string(name) % hash_size;
-
-		// look for existing variable
-		for (xpath_variable* var = _data[hash]; var; var = var->_next)
-			if (impl::strequal(var->name(), name))
-				return var;
-
-		return 0;
-	}
-
-	PUGI__FN xpath_variable* xpath_variable_set::add(const char_t* name, xpath_value_type type)
-	{
-		const size_t hash_size = sizeof(_data) / sizeof(_data[0]);
-		size_t hash = impl::hash_string(name) % hash_size;
-
-		// look for existing variable
-		for (xpath_variable* var = _data[hash]; var; var = var->_next)
-			if (impl::strequal(var->name(), name))
-				return var->type() == type ? var : 0;
-
-		// add new variable
-		xpath_variable* result = impl::new_xpath_variable(type, name);
-
-		if (result)
-		{
-			result->_type = type;
-			result->_next = _data[hash];
-
-			_data[hash] = result;
-		}
-
-		return result;
-	}
-
-	PUGI__FN bool xpath_variable_set::set(const char_t* name, bool value)
-	{
-		xpath_variable* var = add(name, xpath_type_boolean);
-		return var ? var->set(value) : false;
-	}
-
-	PUGI__FN bool xpath_variable_set::set(const char_t* name, double value)
-	{
-		xpath_variable* var = add(name, xpath_type_number);
-		return var ? var->set(value) : false;
-	}
-
-	PUGI__FN bool xpath_variable_set::set(const char_t* name, const char_t* value)
-	{
-		xpath_variable* var = add(name, xpath_type_string);
-		return var ? var->set(value) : false;
-	}
-
-	PUGI__FN bool xpath_variable_set::set(const char_t* name, const xpath_node_set& value)
-	{
-		xpath_variable* var = add(name, xpath_type_node_set);
-		return var ? var->set(value) : false;
-	}
-
-	PUGI__FN xpath_variable* xpath_variable_set::get(const char_t* name)
-	{
-		return find(name);
-	}
-
-	PUGI__FN const xpath_variable* xpath_variable_set::get(const char_t* name) const
-	{
-		return find(name);
-	}
-
-	PUGI__FN xpath_query::xpath_query(const char_t* query, xpath_variable_set* variables): _impl(0)
-	{
-		impl::xpath_query_impl* qimpl = impl::xpath_query_impl::create();
-
-		if (!qimpl)
-		{
-		#ifdef PUGIXML_NO_EXCEPTIONS
-			_result.error = "Out of memory";
-		#else
-			throw std::bad_alloc();
-		#endif
-		}
-		else
-		{
-			impl::buffer_holder impl_holder(qimpl, impl::xpath_query_impl::destroy);
-
-			qimpl->root = impl::xpath_parser::parse(query, variables, &qimpl->alloc, &_result);
-
-			if (qimpl->root)
-			{
-				_impl = static_cast<impl::xpath_query_impl*>(impl_holder.release());
-				_result.error = 0;
-			}
-		}
-	}
-
-	PUGI__FN xpath_query::~xpath_query()
-	{
-		impl::xpath_query_impl::destroy(_impl);
-	}
-
-	PUGI__FN xpath_value_type xpath_query::return_type() const
-	{
-		if (!_impl) return xpath_type_none;
-
-		return static_cast<impl::xpath_query_impl*>(_impl)->root->rettype();
-	}
-
-	PUGI__FN bool xpath_query::evaluate_boolean(const xpath_node& n) const
-	{
-		if (!_impl) return false;
-		
-		impl::xpath_context c(n, 1, 1);
-		impl::xpath_stack_data sd;
-
-	#ifdef PUGIXML_NO_EXCEPTIONS
-		if (setjmp(sd.error_handler)) return false;
-	#endif
-		
-		return static_cast<impl::xpath_query_impl*>(_impl)->root->eval_boolean(c, sd.stack);
-	}
-	
-	PUGI__FN double xpath_query::evaluate_number(const xpath_node& n) const
-	{
-		if (!_impl) return impl::gen_nan();
-		
-		impl::xpath_context c(n, 1, 1);
-		impl::xpath_stack_data sd;
-
-	#ifdef PUGIXML_NO_EXCEPTIONS
-		if (setjmp(sd.error_handler)) return impl::gen_nan();
-	#endif
-
-		return static_cast<impl::xpath_query_impl*>(_impl)->root->eval_number(c, sd.stack);
-	}
-
-#ifndef PUGIXML_NO_STL
-	PUGI__FN string_t xpath_query::evaluate_string(const xpath_node& n) const
-	{
-		impl::xpath_stack_data sd;
-
-		return impl::evaluate_string_impl(static_cast<impl::xpath_query_impl*>(_impl), n, sd).c_str();
-	}
-#endif
-
-	PUGI__FN size_t xpath_query::evaluate_string(char_t* buffer, size_t capacity, const xpath_node& n) const
-	{
-		impl::xpath_stack_data sd;
-
-		impl::xpath_string r = impl::evaluate_string_impl(static_cast<impl::xpath_query_impl*>(_impl), n, sd);
-
-		size_t full_size = r.length() + 1;
-		
-		if (capacity > 0)
-		{
-			size_t size = (full_size < capacity) ? full_size : capacity;
-			assert(size > 0);
-
-			memcpy(buffer, r.c_str(), (size - 1) * sizeof(char_t));
-			buffer[size - 1] = 0;
-		}
-		
-		return full_size;
-	}
-
-	PUGI__FN xpath_node_set xpath_query::evaluate_node_set(const xpath_node& n) const
-	{
-		if (!_impl) return xpath_node_set();
-
-		impl::xpath_ast_node* root = static_cast<impl::xpath_query_impl*>(_impl)->root;
-
-		if (root->rettype() != xpath_type_node_set)
-		{
-		#ifdef PUGIXML_NO_EXCEPTIONS
-			return xpath_node_set();
-		#else
-			xpath_parse_result res;
-			res.error = "Expression does not evaluate to node set";
-
-			throw xpath_exception(res);
-		#endif
-		}
-		
-		impl::xpath_context c(n, 1, 1);
-		impl::xpath_stack_data sd;
-
-	#ifdef PUGIXML_NO_EXCEPTIONS
-		if (setjmp(sd.error_handler)) return xpath_node_set();
-	#endif
-
-		impl::xpath_node_set_raw r = root->eval_node_set(c, sd.stack);
-
-		return xpath_node_set(r.begin(), r.end(), r.type());
-	}
-
-	PUGI__FN const xpath_parse_result& xpath_query::result() const
-	{
-		return _result;
-	}
-
-	PUGI__FN static void unspecified_bool_xpath_query(xpath_query***)
-	{
-	}
-
-	PUGI__FN xpath_query::operator xpath_query::unspecified_bool_type() const
-	{
-		return _impl ? unspecified_bool_xpath_query : 0;
-	}
-
-	PUGI__FN bool xpath_query::operator!() const
-	{
-		return !_impl;
-	}
-
-	PUGI__FN xpath_node xml_node::select_single_node(const char_t* query, xpath_variable_set* variables) const
-	{
-		xpath_query q(query, variables);
-		return select_single_node(q);
-	}
-
-	PUGI__FN xpath_node xml_node::select_single_node(const xpath_query& query) const
-	{
-		xpath_node_set s = query.evaluate_node_set(*this);
-		return s.empty() ? xpath_node() : s.first();
-	}
-
-	PUGI__FN xpath_node_set xml_node::select_nodes(const char_t* query, xpath_variable_set* variables) const
-	{
-		xpath_query q(query, variables);
-		return select_nodes(q);
-	}
-
-	PUGI__FN xpath_node_set xml_node::select_nodes(const xpath_query& query) const
-	{
-		return query.evaluate_node_set(*this);
-	}
-}
-
-#endif
-
-#ifdef __BORLANDC__
-#	pragma option pop
-#endif
-
-// Intel C++ does not properly keep warning state for function templates,
-// so popping warning state at the end of translation unit leads to warnings in the middle.
-#if defined(_MSC_VER) && !defined(__INTEL_COMPILER)
-#	pragma warning(pop)
-#endif
-
-// Undefine all local macros (makes sure we're not leaking macros in header-only mode)
-#undef PUGI__NO_INLINE
-#undef PUGI__STATIC_ASSERT
-#undef PUGI__DMC_VOLATILE
-#undef PUGI__MSVC_CRT_VERSION
-#undef PUGI__NS_BEGIN
-#undef PUGI__NS_END
-#undef PUGI__FN
-#undef PUGI__FN_NO_INLINE
-#undef PUGI__IS_CHARTYPE_IMPL
-#undef PUGI__IS_CHARTYPE
-#undef PUGI__IS_CHARTYPEX
-#undef PUGI__SKIPWS
-#undef PUGI__OPTSET
-#undef PUGI__PUSHNODE
-#undef PUGI__POPNODE
-#undef PUGI__SCANFOR
-#undef PUGI__SCANWHILE
-#undef PUGI__ENDSEG
-#undef PUGI__THROW_ERROR
-#undef PUGI__CHECK_ERROR
-
-#endif
-
-/**
- * Copyright (c) 2006-2012 Arseny Kapoulkine
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
diff --git a/SDL_Core/tools/intergen/third_party/pugixml/src/pugixml.hpp b/SDL_Core/tools/intergen/third_party/pugixml/src/pugixml.hpp
deleted file mode 100644
index 77b4dcf47..000000000
--- a/SDL_Core/tools/intergen/third_party/pugixml/src/pugixml.hpp
+++ /dev/null
@@ -1,1265 +0,0 @@
-/**
- * pugixml parser - version 1.2
- * --------------------------------------------------------
- * Copyright (C) 2006-2012, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
- * Report bugs and download new versions at http://pugixml.org/
- *
- * This library is distributed under the MIT License. See notice at the end
- * of this file.
- *
- * This work is based on the pugxml parser, which is:
- * Copyright (C) 2003, by Kristen Wegner (kristen@tima.net)
- */
-
-#ifndef PUGIXML_VERSION
-// Define version macro; evaluates to major * 100 + minor so that it's safe to use in less-than comparisons
-#	define PUGIXML_VERSION 120
-#endif
-
-// Include user configuration file (this can define various configuration macros)
-#include "pugiconfig.hpp"
-
-#ifndef HEADER_PUGIXML_HPP
-#define HEADER_PUGIXML_HPP
-
-// Include stddef.h for size_t and ptrdiff_t
-#include <stddef.h>
-
-// Include exception header for XPath
-#if !defined(PUGIXML_NO_XPATH) && !defined(PUGIXML_NO_EXCEPTIONS)
-#	include <exception>
-#endif
-
-// Include STL headers
-#ifndef PUGIXML_NO_STL
-#	include <iterator>
-#	include <iosfwd>
-#	include <string>
-#endif
-
-// Macro for deprecated features
-#ifndef PUGIXML_DEPRECATED
-#	if defined(__GNUC__)
-#		define PUGIXML_DEPRECATED __attribute__((deprecated))
-#	elif defined(_MSC_VER) && _MSC_VER >= 1300
-#		define PUGIXML_DEPRECATED __declspec(deprecated)
-#	else
-#		define PUGIXML_DEPRECATED
-#	endif
-#endif
-
-// If no API is defined, assume default
-#ifndef PUGIXML_API
-#	define PUGIXML_API
-#endif
-
-// If no API for classes is defined, assume default
-#ifndef PUGIXML_CLASS
-#	define PUGIXML_CLASS PUGIXML_API
-#endif
-
-// If no API for functions is defined, assume default
-#ifndef PUGIXML_FUNCTION
-#	define PUGIXML_FUNCTION PUGIXML_API
-#endif
-
-// Character interface macros
-#ifdef PUGIXML_WCHAR_MODE
-#	define PUGIXML_TEXT(t) L ## t
-#	define PUGIXML_CHAR wchar_t
-#else
-#	define PUGIXML_TEXT(t) t
-#	define PUGIXML_CHAR char
-#endif
-
-namespace pugi
-{
-	// Character type used for all internal storage and operations; depends on PUGIXML_WCHAR_MODE
-	typedef PUGIXML_CHAR char_t;
-
-#ifndef PUGIXML_NO_STL
-	// String type used for operations that work with STL string; depends on PUGIXML_WCHAR_MODE
-	typedef std::basic_string<PUGIXML_CHAR, std::char_traits<PUGIXML_CHAR>, std::allocator<PUGIXML_CHAR> > string_t;
-#endif
-}
-
-// The PugiXML namespace
-namespace pugi
-{
-	// Tree node types
-	enum xml_node_type
-	{
-		node_null,			// Empty (null) node handle
-		node_document,		// A document tree's absolute root
-		node_element,		// Element tag, i.e. '<node/>'
-		node_pcdata,		// Plain character data, i.e. 'text'
-		node_cdata,			// Character data, i.e. '<![CDATA[text]]>'
-		node_comment,		// Comment tag, i.e. '<!-- text -->'
-		node_pi,			// Processing instruction, i.e. '<?name?>'
-		node_declaration,	// Document declaration, i.e. '<?xml version="1.0"?>'
-		node_doctype		// Document type declaration, i.e. '<!DOCTYPE doc>'
-	};
-
-	// Parsing options
-
-	// Minimal parsing mode (equivalent to turning all other flags off).
-	// Only elements and PCDATA sections are added to the DOM tree, no text conversions are performed.
-	const unsigned int parse_minimal = 0x0000;
-
-	// This flag determines if processing instructions (node_pi) are added to the DOM tree. This flag is off by default.
-	const unsigned int parse_pi = 0x0001;
-
-	// This flag determines if comments (node_comment) are added to the DOM tree. This flag is off by default.
-	const unsigned int parse_comments = 0x0002;
-
-	// This flag determines if CDATA sections (node_cdata) are added to the DOM tree. This flag is on by default.
-	const unsigned int parse_cdata = 0x0004;
-
-	// This flag determines if plain character data (node_pcdata) that consist only of whitespace are added to the DOM tree.
-	// This flag is off by default; turning it on usually results in slower parsing and more memory consumption.
-	const unsigned int parse_ws_pcdata = 0x0008;
-
-	// This flag determines if character and entity references are expanded during parsing. This flag is on by default.
-	const unsigned int parse_escapes = 0x0010;
-
-	// This flag determines if EOL characters are normalized (converted to #xA) during parsing. This flag is on by default.
-	const unsigned int parse_eol = 0x0020;
-	
-	// This flag determines if attribute values are normalized using CDATA normalization rules during parsing. This flag is on by default.
-	const unsigned int parse_wconv_attribute = 0x0040;
-
-	// This flag determines if attribute values are normalized using NMTOKENS normalization rules during parsing. This flag is off by default.
-	const unsigned int parse_wnorm_attribute = 0x0080;
-	
-	// This flag determines if document declaration (node_declaration) is added to the DOM tree. This flag is off by default.
-	const unsigned int parse_declaration = 0x0100;
-
-	// This flag determines if document type declaration (node_doctype) is added to the DOM tree. This flag is off by default.
-	const unsigned int parse_doctype = 0x0200;
-
-	// This flag determines if plain character data (node_pcdata) that is the only child of the parent node and that consists only
-	// of whitespace is added to the DOM tree.
-	// This flag is off by default; turning it on may result in slower parsing and more memory consumption.
-	const unsigned int parse_ws_pcdata_single = 0x0400;
-
-	// The default parsing mode.
-	// Elements, PCDATA and CDATA sections are added to the DOM tree, character/reference entities are expanded,
-	// End-of-Line characters are normalized, attribute values are normalized using CDATA normalization rules.
-	const unsigned int parse_default = parse_cdata | parse_escapes | parse_wconv_attribute | parse_eol;
-
-	// The full parsing mode.
-	// Nodes of all types are added to the DOM tree, character/reference entities are expanded,
-	// End-of-Line characters are normalized, attribute values are normalized using CDATA normalization rules.
-	const unsigned int parse_full = parse_default | parse_pi | parse_comments | parse_declaration | parse_doctype;
-
-	// These flags determine the encoding of input data for XML document
-	enum xml_encoding
-	{
-		encoding_auto,		// Auto-detect input encoding using BOM or < / <? detection; use UTF8 if BOM is not found
-		encoding_utf8,		// UTF8 encoding
-		encoding_utf16_le,	// Little-endian UTF16
-		encoding_utf16_be,	// Big-endian UTF16
-		encoding_utf16,		// UTF16 with native endianness
-		encoding_utf32_le,	// Little-endian UTF32
-		encoding_utf32_be,	// Big-endian UTF32
-		encoding_utf32,		// UTF32 with native endianness
-		encoding_wchar,		// The same encoding wchar_t has (either UTF16 or UTF32)
-		encoding_latin1
-	};
-
-	// Formatting flags
-	
-	// Indent the nodes that are written to output stream with as many indentation strings as deep the node is in DOM tree. This flag is on by default.
-	const unsigned int format_indent = 0x01;
-	
-	// Write encoding-specific BOM to the output stream. This flag is off by default.
-	const unsigned int format_write_bom = 0x02;
-
-	// Use raw output mode (no indentation and no line breaks are written). This flag is off by default.
-	const unsigned int format_raw = 0x04;
-	
-	// Omit default XML declaration even if there is no declaration in the document. This flag is off by default.
-	const unsigned int format_no_declaration = 0x08;
-
-	// Don't escape attribute values and PCDATA contents. This flag is off by default.
-	const unsigned int format_no_escapes = 0x10;
-
-	// Open file using text mode in xml_document::save_file. This enables special character (i.e. new-line) conversions on some systems. This flag is off by default.
-	const unsigned int format_save_file_text = 0x20;
-
-	// The default set of formatting flags.
-	// Nodes are indented depending on their depth in DOM tree, a default declaration is output if document has none.
-	const unsigned int format_default = format_indent;
-		
-	// Forward declarations
-	struct xml_attribute_struct;
-	struct xml_node_struct;
-
-	class xml_node_iterator;
-	class xml_attribute_iterator;
-	class xml_named_node_iterator;
-
-	class xml_tree_walker;
-
-	class xml_node;
-
-	class xml_text;
-	
-	#ifndef PUGIXML_NO_XPATH
-	class xpath_node;
-	class xpath_node_set;
-	class xpath_query;
-	class xpath_variable_set;
-	#endif
-
-	// Range-based for loop support
-	template <typename It> class xml_object_range
-	{
-	public:
-		typedef It const_iterator;
-
-		xml_object_range(It b, It e): _begin(b), _end(e)
-		{
-		}
-
-		It begin() const { return _begin; }
-		It end() const { return _end; }
-
-	private:
-		It _begin, _end;
-	};
-
-	// Writer interface for node printing (see xml_node::print)
-	class PUGIXML_CLASS xml_writer
-	{
-	public:
-		virtual ~xml_writer() {}
-
-		// Write memory chunk into stream/file/whatever
-		virtual void write(const void* data, size_t size) = 0;
-	};
-
-	// xml_writer implementation for FILE*
-	class PUGIXML_CLASS xml_writer_file: public xml_writer
-	{
-	public:
-		// Construct writer from a FILE* object; void* is used to avoid header dependencies on stdio
-		xml_writer_file(void* file);
-
-		virtual void write(const void* data, size_t size);
-
-	private:
-		void* file;
-	};
-
-	#ifndef PUGIXML_NO_STL
-	// xml_writer implementation for streams
-	class PUGIXML_CLASS xml_writer_stream: public xml_writer
-	{
-	public:
-		// Construct writer from an output stream object
-		xml_writer_stream(std::basic_ostream<char, std::char_traits<char> >& stream);
-		xml_writer_stream(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream);
-
-		virtual void write(const void* data, size_t size);
-
-	private:
-		std::basic_ostream<char, std::char_traits<char> >* narrow_stream;
-		std::basic_ostream<wchar_t, std::char_traits<wchar_t> >* wide_stream;
-	};
-	#endif
-
-	// A light-weight handle for manipulating attributes in DOM tree
-	class PUGIXML_CLASS xml_attribute
-	{
-		friend class xml_attribute_iterator;
-		friend class xml_node;
-
-	private:
-		xml_attribute_struct* _attr;
-	
-		typedef void (*unspecified_bool_type)(xml_attribute***);
-
-	public:
-		// Default constructor. Constructs an empty attribute.
-		xml_attribute();
-		
-		// Constructs attribute from internal pointer
-		explicit xml_attribute(xml_attribute_struct* attr);
-
-		// Safe bool conversion operator
-		operator unspecified_bool_type() const;
-
-		// Borland C++ workaround
-		bool operator!() const;
-
-		// Comparison operators (compares wrapped attribute pointers)
-		bool operator==(const xml_attribute& r) const;
-		bool operator!=(const xml_attribute& r) const;
-		bool operator<(const xml_attribute& r) const;
-		bool operator>(const xml_attribute& r) const;
-		bool operator<=(const xml_attribute& r) const;
-		bool operator>=(const xml_attribute& r) const;
-
-		// Check if attribute is empty
-		bool empty() const;
-
-		// Get attribute name/value, or "" if attribute is empty
-		const char_t* name() const;
-		const char_t* value() const;
-
-		// Get attribute value, or the default value if attribute is empty
-		const char_t* as_string(const char_t* def = PUGIXML_TEXT("")) const;
-
-		// Get attribute value as a number, or the default value if conversion did not succeed or attribute is empty
-		int as_int(int def = 0) const;
-		unsigned int as_uint(unsigned int def = 0) const;
-		double as_double(double def = 0) const;
-		float as_float(float def = 0) const;
-
-		// Get attribute value as bool (returns true if first character is in '1tTyY' set), or the default value if attribute is empty
-		bool as_bool(bool def = false) const;
-
-		// Set attribute name/value (returns false if attribute is empty or there is not enough memory)
-		bool set_name(const char_t* rhs);
-		bool set_value(const char_t* rhs);
-
-		// Set attribute value with type conversion (numbers are converted to strings, boolean is converted to "true"/"false")
-		bool set_value(int rhs);
-		bool set_value(unsigned int rhs);
-		bool set_value(double rhs);
-		bool set_value(bool rhs);
-
-		// Set attribute value (equivalent to set_value without error checking)
-		xml_attribute& operator=(const char_t* rhs);
-		xml_attribute& operator=(int rhs);
-		xml_attribute& operator=(unsigned int rhs);
-		xml_attribute& operator=(double rhs);
-		xml_attribute& operator=(bool rhs);
-
-		// Get next/previous attribute in the attribute list of the parent node
-		xml_attribute next_attribute() const;
-		xml_attribute previous_attribute() const;
-
-		// Get hash value (unique for handles to the same object)
-		size_t hash_value() const;
-
-		// Get internal pointer
-		xml_attribute_struct* internal_object() const;
-	};
-
-#ifdef __BORLANDC__
-	// Borland C++ workaround
-	bool PUGIXML_FUNCTION operator&&(const xml_attribute& lhs, bool rhs);
-	bool PUGIXML_FUNCTION operator||(const xml_attribute& lhs, bool rhs);
-#endif
-
-	// A light-weight handle for manipulating nodes in DOM tree
-	class PUGIXML_CLASS xml_node
-	{
-		friend class xml_attribute_iterator;
-		friend class xml_node_iterator;
-		friend class xml_named_node_iterator;
-
-	protected:
-		xml_node_struct* _root;
-
-		typedef void (*unspecified_bool_type)(xml_node***);
-
-	public:
-		// Default constructor. Constructs an empty node.
-		xml_node();
-
-		// Constructs node from internal pointer
-		explicit xml_node(xml_node_struct* p);
-
-		// Safe bool conversion operator
-		operator unspecified_bool_type() const;
-
-		// Borland C++ workaround
-		bool operator!() const;
-	
-		// Comparison operators (compares wrapped node pointers)
-		bool operator==(const xml_node& r) const;
-		bool operator!=(const xml_node& r) const;
-		bool operator<(const xml_node& r) const;
-		bool operator>(const xml_node& r) const;
-		bool operator<=(const xml_node& r) const;
-		bool operator>=(const xml_node& r) const;
-
-		// Check if node is empty.
-		bool empty() const;
-
-		// Get node type
-		xml_node_type type() const;
-
-		// Get node name/value, or "" if node is empty or it has no name/value
-		const char_t* name() const;
-		const char_t* value() const;
-	
-		// Get attribute list
-		xml_attribute first_attribute() const;
-		xml_attribute last_attribute() const;
-
-		// Get children list
-		xml_node first_child() const;
-		xml_node last_child() const;
-
-		// Get next/previous sibling in the children list of the parent node
-		xml_node next_sibling() const;
-		xml_node previous_sibling() const;
-		
-		// Get parent node
-		xml_node parent() const;
-
-		// Get root of DOM tree this node belongs to
-		xml_node root() const;
-
-		// Get text object for the current node
-		xml_text text() const;
-
-		// Get child, attribute or next/previous sibling with the specified name
-		xml_node child(const char_t* name) const;
-		xml_attribute attribute(const char_t* name) const;
-		xml_node next_sibling(const char_t* name) const;
-		xml_node previous_sibling(const char_t* name) const;
-
-		// Get child value of current node; that is, value of the first child node of type PCDATA/CDATA
-		const char_t* child_value() const;
-
-		// Get child value of child with specified name. Equivalent to child(name).child_value().
-		const char_t* child_value(const char_t* name) const;
-
-		// Set node name/value (returns false if node is empty, there is not enough memory, or node can not have name/value)
-		bool set_name(const char_t* rhs);
-		bool set_value(const char_t* rhs);
-		
-		// Add attribute with specified name. Returns added attribute, or empty attribute on errors.
-		xml_attribute append_attribute(const char_t* name);
-		xml_attribute prepend_attribute(const char_t* name);
-		xml_attribute insert_attribute_after(const char_t* name, const xml_attribute& attr);
-		xml_attribute insert_attribute_before(const char_t* name, const xml_attribute& attr);
-
-		// Add a copy of the specified attribute. Returns added attribute, or empty attribute on errors.
-		xml_attribute append_copy(const xml_attribute& proto);
-		xml_attribute prepend_copy(const xml_attribute& proto);
-		xml_attribute insert_copy_after(const xml_attribute& proto, const xml_attribute& attr);
-		xml_attribute insert_copy_before(const xml_attribute& proto, const xml_attribute& attr);
-
-		// Add child node with specified type. Returns added node, or empty node on errors.
-		xml_node append_child(xml_node_type type = node_element);
-		xml_node prepend_child(xml_node_type type = node_element);
-		xml_node insert_child_after(xml_node_type type, const xml_node& node);
-		xml_node insert_child_before(xml_node_type type, const xml_node& node);
-
-		// Add child element with specified name. Returns added node, or empty node on errors.
-		xml_node append_child(const char_t* name);
-		xml_node prepend_child(const char_t* name);
-		xml_node insert_child_after(const char_t* name, const xml_node& node);
-		xml_node insert_child_before(const char_t* name, const xml_node& node);
-
-		// Add a copy of the specified node as a child. Returns added node, or empty node on errors.
-		xml_node append_copy(const xml_node& proto);
-		xml_node prepend_copy(const xml_node& proto);
-		xml_node insert_copy_after(const xml_node& proto, const xml_node& node);
-		xml_node insert_copy_before(const xml_node& proto, const xml_node& node);
-
-		// Remove specified attribute
-		bool remove_attribute(const xml_attribute& a);
-		bool remove_attribute(const char_t* name);
-
-		// Remove specified child
-		bool remove_child(const xml_node& n);
-		bool remove_child(const char_t* name);
-
-		// Find attribute using predicate. Returns first attribute for which predicate returned true.
-		template <typename Predicate> xml_attribute find_attribute(Predicate pred) const
-		{
-			if (!_root) return xml_attribute();
-			
-			for (xml_attribute attrib = first_attribute(); attrib; attrib = attrib.next_attribute())
-				if (pred(attrib))
-					return attrib;
-		
-			return xml_attribute();
-		}
-
-		// Find child node using predicate. Returns first child for which predicate returned true.
-		template <typename Predicate> xml_node find_child(Predicate pred) const
-		{
-			if (!_root) return xml_node();
-	
-			for (xml_node node = first_child(); node; node = node.next_sibling())
-				if (pred(node))
-					return node;
-		
-			return xml_node();
-		}
-
-		// Find node from subtree using predicate. Returns first node from subtree (depth-first), for which predicate returned true.
-		template <typename Predicate> xml_node find_node(Predicate pred) const
-		{
-			if (!_root) return xml_node();
-
-			xml_node cur = first_child();
-			
-			while (cur._root && cur._root != _root)
-			{
-				if (pred(cur)) return cur;
-
-				if (cur.first_child()) cur = cur.first_child();
-				else if (cur.next_sibling()) cur = cur.next_sibling();
-				else
-				{
-					while (!cur.next_sibling() && cur._root != _root) cur = cur.parent();
-
-					if (cur._root != _root) cur = cur.next_sibling();
-				}
-			}
-
-			return xml_node();
-		}
-
-		// Find child node by attribute name/value
-		xml_node find_child_by_attribute(const char_t* name, const char_t* attr_name, const char_t* attr_value) const;
-		xml_node find_child_by_attribute(const char_t* attr_name, const char_t* attr_value) const;
-
-	#ifndef PUGIXML_NO_STL
-		// Get the absolute node path from root as a text string.
-		string_t path(char_t delimiter = '/') const;
-	#endif
-
-		// Search for a node by path consisting of node names and . or .. elements.
-		xml_node first_element_by_path(const char_t* path, char_t delimiter = '/') const;
-
-		// Recursively traverse subtree with xml_tree_walker
-		bool traverse(xml_tree_walker& walker);
-	
-	#ifndef PUGIXML_NO_XPATH
-		// Select single node by evaluating XPath query. Returns first node from the resulting node set.
-		xpath_node select_single_node(const char_t* query, xpath_variable_set* variables = 0) const;
-		xpath_node select_single_node(const xpath_query& query) const;
-
-		// Select node set by evaluating XPath query
-		xpath_node_set select_nodes(const char_t* query, xpath_variable_set* variables = 0) const;
-		xpath_node_set select_nodes(const xpath_query& query) const;
-	#endif
-		
-		// Print subtree using a writer object
-		void print(xml_writer& writer, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto, unsigned int depth = 0) const;
-
-	#ifndef PUGIXML_NO_STL
-		// Print subtree to stream
-		void print(std::basic_ostream<char, std::char_traits<char> >& os, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto, unsigned int depth = 0) const;
-		void print(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& os, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, unsigned int depth = 0) const;
-	#endif
-
-		// Child nodes iterators
-		typedef xml_node_iterator iterator;
-
-		iterator begin() const;
-		iterator end() const;
-
-		// Attribute iterators
-		typedef xml_attribute_iterator attribute_iterator;
-
-		attribute_iterator attributes_begin() const;
-		attribute_iterator attributes_end() const;
-
-		// Range-based for support
-		xml_object_range<xml_node_iterator> children() const;
-		xml_object_range<xml_named_node_iterator> children(const char_t* name) const;
-		xml_object_range<xml_attribute_iterator> attributes() const;
-
-		// Get node offset in parsed file/string (in char_t units) for debugging purposes
-		ptrdiff_t offset_debug() const;
-
-		// Get hash value (unique for handles to the same object)
-		size_t hash_value() const;
-
-		// Get internal pointer
-		xml_node_struct* internal_object() const;
-	};
-
-#ifdef __BORLANDC__
-	// Borland C++ workaround
-	bool PUGIXML_FUNCTION operator&&(const xml_node& lhs, bool rhs);
-	bool PUGIXML_FUNCTION operator||(const xml_node& lhs, bool rhs);
-#endif
-
-	// A helper for working with text inside PCDATA nodes
-	class PUGIXML_CLASS xml_text
-	{
-		friend class xml_node;
-
-		xml_node_struct* _root;
-
-		typedef void (*unspecified_bool_type)(xml_text***);
-
-		explicit xml_text(xml_node_struct* root);
-
-		xml_node_struct* _data_new();
-		xml_node_struct* _data() const;
-
-	public:
-		// Default constructor. Constructs an empty object.
-		xml_text();
-
-		// Safe bool conversion operator
-		operator unspecified_bool_type() const;
-
-		// Borland C++ workaround
-		bool operator!() const;
-
-		// Check if text object is empty
-		bool empty() const;
-
-		// Get text, or "" if object is empty
-		const char_t* get() const;
-
-		// Get text, or the default value if object is empty
-		const char_t* as_string(const char_t* def = PUGIXML_TEXT("")) const;
-
-		// Get text as a number, or the default value if conversion did not succeed or object is empty
-		int as_int(int def = 0) const;
-		unsigned int as_uint(unsigned int def = 0) const;
-		double as_double(double def = 0) const;
-		float as_float(float def = 0) const;
-
-		// Get text as bool (returns true if first character is in '1tTyY' set), or the default value if object is empty
-		bool as_bool(bool def = false) const;
-
-		// Set text (returns false if object is empty or there is not enough memory)
-		bool set(const char_t* rhs);
-
-		// Set text with type conversion (numbers are converted to strings, boolean is converted to "true"/"false")
-		bool set(int rhs);
-		bool set(unsigned int rhs);
-		bool set(double rhs);
-		bool set(bool rhs);
-
-		// Set text (equivalent to set without error checking)
-		xml_text& operator=(const char_t* rhs);
-		xml_text& operator=(int rhs);
-		xml_text& operator=(unsigned int rhs);
-		xml_text& operator=(double rhs);
-		xml_text& operator=(bool rhs);
-
-		// Get the data node (node_pcdata or node_cdata) for this object
-		xml_node data() const;
-	};
-
-#ifdef __BORLANDC__
-	// Borland C++ workaround
-	bool PUGIXML_FUNCTION operator&&(const xml_text& lhs, bool rhs);
-	bool PUGIXML_FUNCTION operator||(const xml_text& lhs, bool rhs);
-#endif
-
-	// Child node iterator (a bidirectional iterator over a collection of xml_node)
-	class PUGIXML_CLASS xml_node_iterator
-	{
-		friend class xml_node;
-
-	private:
-		mutable xml_node _wrap;
-		xml_node _parent;
-
-		xml_node_iterator(xml_node_struct* ref, xml_node_struct* parent);
-
-	public:
-		// Iterator traits
-		typedef ptrdiff_t difference_type;
-		typedef xml_node value_type;
-		typedef xml_node* pointer;
-		typedef xml_node& reference;
-
-	#ifndef PUGIXML_NO_STL
-		typedef std::bidirectional_iterator_tag iterator_category;
-	#endif
-
-		// Default constructor
-		xml_node_iterator();
-
-		// Construct an iterator which points to the specified node
-		xml_node_iterator(const xml_node& node);
-
-		// Iterator operators
-		bool operator==(const xml_node_iterator& rhs) const;
-		bool operator!=(const xml_node_iterator& rhs) const;
-
-		xml_node& operator*() const;
-		xml_node* operator->() const;
-
-		const xml_node_iterator& operator++();
-		xml_node_iterator operator++(int);
-
-		const xml_node_iterator& operator--();
-		xml_node_iterator operator--(int);
-	};
-
-	// Attribute iterator (a bidirectional iterator over a collection of xml_attribute)
-	class PUGIXML_CLASS xml_attribute_iterator
-	{
-		friend class xml_node;
-
-	private:
-		mutable xml_attribute _wrap;
-		xml_node _parent;
-
-		xml_attribute_iterator(xml_attribute_struct* ref, xml_node_struct* parent);
-
-	public:
-		// Iterator traits
-		typedef ptrdiff_t difference_type;
-		typedef xml_attribute value_type;
-		typedef xml_attribute* pointer;
-		typedef xml_attribute& reference;
-
-	#ifndef PUGIXML_NO_STL
-		typedef std::bidirectional_iterator_tag iterator_category;
-	#endif
-
-		// Default constructor
-		xml_attribute_iterator();
-
-		// Construct an iterator which points to the specified attribute
-		xml_attribute_iterator(const xml_attribute& attr, const xml_node& parent);
-
-		// Iterator operators
-		bool operator==(const xml_attribute_iterator& rhs) const;
-		bool operator!=(const xml_attribute_iterator& rhs) const;
-
-		xml_attribute& operator*() const;
-		xml_attribute* operator->() const;
-
-		const xml_attribute_iterator& operator++();
-		xml_attribute_iterator operator++(int);
-
-		const xml_attribute_iterator& operator--();
-		xml_attribute_iterator operator--(int);
-	};
-
-	// Named node range helper
-	class xml_named_node_iterator
-	{
-	public:
-		// Iterator traits
-		typedef ptrdiff_t difference_type;
-		typedef xml_node value_type;
-		typedef xml_node* pointer;
-		typedef xml_node& reference;
-
-	#ifndef PUGIXML_NO_STL
-		typedef std::forward_iterator_tag iterator_category;
-	#endif
-
-		// Default constructor
-		xml_named_node_iterator();
-
-		// Construct an iterator which points to the specified node
-		xml_named_node_iterator(const xml_node& node, const char_t* name);
-
-		// Iterator operators
-		bool operator==(const xml_named_node_iterator& rhs) const;
-		bool operator!=(const xml_named_node_iterator& rhs) const;
-
-		xml_node& operator*() const;
-		xml_node* operator->() const;
-
-		const xml_named_node_iterator& operator++();
-		xml_named_node_iterator operator++(int);
-
-	private:
-		mutable xml_node _node;
-		const char_t* _name;
-	};
-
-	// Abstract tree walker class (see xml_node::traverse)
-	class PUGIXML_CLASS xml_tree_walker
-	{
-		friend class xml_node;
-
-	private:
-		int _depth;
-	
-	protected:
-		// Get current traversal depth
-		int depth() const;
-	
-	public:
-		xml_tree_walker();
-		virtual ~xml_tree_walker();
-
-		// Callback that is called when traversal begins
-		virtual bool begin(xml_node& node);
-
-		// Callback that is called for each node traversed
-		virtual bool for_each(xml_node& node) = 0;
-
-		// Callback that is called when traversal ends
-		virtual bool end(xml_node& node);
-	};
-
-	// Parsing status, returned as part of xml_parse_result object
-	enum xml_parse_status
-	{
-		status_ok = 0,				// No error
-
-		status_file_not_found,		// File was not found during load_file()
-		status_io_error,			// Error reading from file/stream
-		status_out_of_memory,		// Could not allocate memory
-		status_internal_error,		// Internal error occurred
-
-		status_unrecognized_tag,	// Parser could not determine tag type
-
-		status_bad_pi,				// Parsing error occurred while parsing document declaration/processing instruction
-		status_bad_comment,			// Parsing error occurred while parsing comment
-		status_bad_cdata,			// Parsing error occurred while parsing CDATA section
-		status_bad_doctype,			// Parsing error occurred while parsing document type declaration
-		status_bad_pcdata,			// Parsing error occurred while parsing PCDATA section
-		status_bad_start_element,	// Parsing error occurred while parsing start element tag
-		status_bad_attribute,		// Parsing error occurred while parsing element attribute
-		status_bad_end_element,		// Parsing error occurred while parsing end element tag
-		status_end_element_mismatch // There was a mismatch of start-end tags (closing tag had incorrect name, some tag was not closed or there was an excessive closing tag)
-	};
-
-	// Parsing result
-	struct PUGIXML_CLASS xml_parse_result
-	{
-		// Parsing status (see xml_parse_status)
-		xml_parse_status status;
-
-		// Last parsed offset (in char_t units from start of input data)
-		ptrdiff_t offset;
-
-		// Source document encoding
-		xml_encoding encoding;
-
-		// Default constructor, initializes object to failed state
-		xml_parse_result();
-
-		// Cast to bool operator
-		operator bool() const;
-
-		// Get error description
-		const char* description() const;
-	};
-
-	// Document class (DOM tree root)
-	class PUGIXML_CLASS xml_document: public xml_node
-	{
-	private:
-		char_t* _buffer;
-
-		char _memory[192];
-		
-		// Non-copyable semantics
-		xml_document(const xml_document&);
-		const xml_document& operator=(const xml_document&);
-
-		void create();
-		void destroy();
-
-		xml_parse_result load_buffer_impl(void* contents, size_t size, unsigned int options, xml_encoding encoding, bool is_mutable, bool own);
-
-	public:
-		// Default constructor, makes empty document
-		xml_document();
-
-		// Destructor, invalidates all node/attribute handles to this document
-		~xml_document();
-
-		// Removes all nodes, leaving the empty document
-		void reset();
-
-		// Removes all nodes, then copies the entire contents of the specified document
-		void reset(const xml_document& proto);
-
-	#ifndef PUGIXML_NO_STL
-		// Load document from stream.
-		xml_parse_result load(std::basic_istream<char, std::char_traits<char> >& stream, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);
-		xml_parse_result load(std::basic_istream<wchar_t, std::char_traits<wchar_t> >& stream, unsigned int options = parse_default);
-	#endif
-
-		// Load document from zero-terminated string. No encoding conversions are applied.
-		xml_parse_result load(const char_t* contents, unsigned int options = parse_default);
-
-		// Load document from file
-		xml_parse_result load_file(const char* path, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);
-		xml_parse_result load_file(const wchar_t* path, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);
-
-		// Load document from buffer. Copies/converts the buffer, so it may be deleted or changed after the function returns.
-		xml_parse_result load_buffer(const void* contents, size_t size, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);
-
-		// Load document from buffer, using the buffer for in-place parsing (the buffer is modified and used for storage of document data).
-		// You should ensure that buffer data will persist throughout the document's lifetime, and free the buffer memory manually once document is destroyed.
-		xml_parse_result load_buffer_inplace(void* contents, size_t size, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);
-
-		// Load document from buffer, using the buffer for in-place parsing (the buffer is modified and used for storage of document data).
-		// You should allocate the buffer with pugixml allocation function; document will free the buffer when it is no longer needed (you can't use it anymore).
-		xml_parse_result load_buffer_inplace_own(void* contents, size_t size, unsigned int options = parse_default, xml_encoding encoding = encoding_auto);
-
-		// Save XML document to writer (semantics is slightly different from xml_node::print, see documentation for details).
-		void save(xml_writer& writer, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto) const;
-
-	#ifndef PUGIXML_NO_STL
-		// Save XML document to stream (semantics is slightly different from xml_node::print, see documentation for details).
-		void save(std::basic_ostream<char, std::char_traits<char> >& stream, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto) const;
-		void save(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default) const;
-	#endif
-
-		// Save XML to file
-		bool save_file(const char* path, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto) const;
-		bool save_file(const wchar_t* path, const char_t* indent = PUGIXML_TEXT("\t"), unsigned int flags = format_default, xml_encoding encoding = encoding_auto) const;
-
-		// Get document element
-		xml_node document_element() const;
-	};
-
-#ifndef PUGIXML_NO_XPATH
-	// XPath query return type
-	enum xpath_value_type
-	{
-		xpath_type_none,	  // Unknown type (query failed to compile)
-		xpath_type_node_set,  // Node set (xpath_node_set)
-		xpath_type_number,	  // Number
-		xpath_type_string,	  // String
-		xpath_type_boolean	  // Boolean
-	};
-
-	// XPath parsing result
-	struct PUGIXML_CLASS xpath_parse_result
-	{
-		// Error message (0 if no error)
-		const char* error;
-
-		// Last parsed offset (in char_t units from string start)
-		ptrdiff_t offset;
-
-		// Default constructor, initializes object to failed state
-		xpath_parse_result();
-
-		// Cast to bool operator
-		operator bool() const;
-
-		// Get error description
-		const char* description() const;
-	};
-
-	// A single XPath variable
-	class PUGIXML_CLASS xpath_variable
-	{
-		friend class xpath_variable_set;
-
-	protected:
-		xpath_value_type _type;
-		xpath_variable* _next;
-
-		xpath_variable();
-
-		// Non-copyable semantics
-		xpath_variable(const xpath_variable&);
-		xpath_variable& operator=(const xpath_variable&);
-		
-	public:
-		// Get variable name
-		const char_t* name() const;
-
-		// Get variable type
-		xpath_value_type type() const;
-
-		// Get variable value; no type conversion is performed, default value (false, NaN, empty string, empty node set) is returned on type mismatch error
-		bool get_boolean() const;
-		double get_number() const;
-		const char_t* get_string() const;
-		const xpath_node_set& get_node_set() const;
-
-		// Set variable value; no type conversion is performed, false is returned on type mismatch error
-		bool set(bool value);
-		bool set(double value);
-		bool set(const char_t* value);
-		bool set(const xpath_node_set& value);
-	};
-
-	// A set of XPath variables
-	class PUGIXML_CLASS xpath_variable_set
-	{
-	private:
-		xpath_variable* _data[64];
-
-		// Non-copyable semantics
-		xpath_variable_set(const xpath_variable_set&);
-		xpath_variable_set& operator=(const xpath_variable_set&);
-
-		xpath_variable* find(const char_t* name) const;
-
-	public:
-		// Default constructor/destructor
-		xpath_variable_set();
-		~xpath_variable_set();
-
-		// Add a new variable or get the existing one, if the types match
-		xpath_variable* add(const char_t* name, xpath_value_type type);
-
-		// Set value of an existing variable; no type conversion is performed, false is returned if there is no such variable or if types mismatch
-		bool set(const char_t* name, bool value);
-		bool set(const char_t* name, double value);
-		bool set(const char_t* name, const char_t* value);
-		bool set(const char_t* name, const xpath_node_set& value);
-
-		// Get existing variable by name
-		xpath_variable* get(const char_t* name);
-		const xpath_variable* get(const char_t* name) const;
-	};
-
-	// A compiled XPath query object
-	class PUGIXML_CLASS xpath_query
-	{
-	private:
-		void* _impl;
-		xpath_parse_result _result;
-
-		typedef void (*unspecified_bool_type)(xpath_query***);
-
-		// Non-copyable semantics
-		xpath_query(const xpath_query&);
-		xpath_query& operator=(const xpath_query&);
-
-	public:
-		// Construct a compiled object from XPath expression.
-		// If PUGIXML_NO_EXCEPTIONS is not defined, throws xpath_exception on compilation errors.
-		explicit xpath_query(const char_t* query, xpath_variable_set* variables = 0);
-
-		// Destructor
-		~xpath_query();
-
-		// Get query expression return type
-		xpath_value_type return_type() const;
-		
-		// Evaluate expression as boolean value in the specified context; performs type conversion if necessary.
-		// If PUGIXML_NO_EXCEPTIONS is not defined, throws std::bad_alloc on out of memory errors.
-		bool evaluate_boolean(const xpath_node& n) const;
-		
-		// Evaluate expression as double value in the specified context; performs type conversion if necessary.
-		// If PUGIXML_NO_EXCEPTIONS is not defined, throws std::bad_alloc on out of memory errors.
-		double evaluate_number(const xpath_node& n) const;
-		
-	#ifndef PUGIXML_NO_STL
-		// Evaluate expression as string value in the specified context; performs type conversion if necessary.
-		// If PUGIXML_NO_EXCEPTIONS is not defined, throws std::bad_alloc on out of memory errors.
-		string_t evaluate_string(const xpath_node& n) const;
-	#endif
-		
-		// Evaluate expression as string value in the specified context; performs type conversion if necessary.
-		// At most capacity characters are written to the destination buffer, full result size is returned (includes terminating zero).
-		// If PUGIXML_NO_EXCEPTIONS is not defined, throws std::bad_alloc on out of memory errors.
-		// If PUGIXML_NO_EXCEPTIONS is defined, returns empty  set instead.
-		size_t evaluate_string(char_t* buffer, size_t capacity, const xpath_node& n) const;
-
-		// Evaluate expression as node set in the specified context.
-		// If PUGIXML_NO_EXCEPTIONS is not defined, throws xpath_exception on type mismatch and std::bad_alloc on out of memory errors.
-		// If PUGIXML_NO_EXCEPTIONS is defined, returns empty node set instead.
-		xpath_node_set evaluate_node_set(const xpath_node& n) const;
-
-		// Get parsing result (used to get compilation errors in PUGIXML_NO_EXCEPTIONS mode)
-		const xpath_parse_result& result() const;
-
-		// Safe bool conversion operator
-		operator unspecified_bool_type() const;
-
-		// Borland C++ workaround
-		bool operator!() const;
-	};
-	
-	#ifndef PUGIXML_NO_EXCEPTIONS
-	// XPath exception class
-	class PUGIXML_CLASS xpath_exception: public std::exception
-	{
-	private:
-		xpath_parse_result _result;
-
-	public:
-		// Construct exception from parse result
-		explicit xpath_exception(const xpath_parse_result& result);
-
-		// Get error message
-		virtual const char* what() const throw();
-
-		// Get parse result
-		const xpath_parse_result& result() const;
-	};
-	#endif
-	
-	// XPath node class (either xml_node or xml_attribute)
-	class PUGIXML_CLASS xpath_node
-	{
-	private:
-		xml_node _node;
-		xml_attribute _attribute;
-	
-		typedef void (*unspecified_bool_type)(xpath_node***);
-
-	public:
-		// Default constructor; constructs empty XPath node
-		xpath_node();
-		
-		// Construct XPath node from XML node/attribute
-		xpath_node(const xml_node& node);
-		xpath_node(const xml_attribute& attribute, const xml_node& parent);
-
-		// Get node/attribute, if any
-		xml_node node() const;
-		xml_attribute attribute() const;
-		
-		// Get parent of contained node/attribute
-		xml_node parent() const;
-
-		// Safe bool conversion operator
-		operator unspecified_bool_type() const;
-		
-		// Borland C++ workaround
-		bool operator!() const;
-
-		// Comparison operators
-		bool operator==(const xpath_node& n) const;
-		bool operator!=(const xpath_node& n) const;
-	};
-
-#ifdef __BORLANDC__
-	// Borland C++ workaround
-	bool PUGIXML_FUNCTION operator&&(const xpath_node& lhs, bool rhs);
-	bool PUGIXML_FUNCTION operator||(const xpath_node& lhs, bool rhs);
-#endif
-
-	// A fixed-size collection of XPath nodes
-	class PUGIXML_CLASS xpath_node_set
-	{
-	public:
-		// Collection type
-		enum type_t
-		{
-			type_unsorted,			// Not ordered
-			type_sorted,			// Sorted by document order (ascending)
-			type_sorted_reverse		// Sorted by document order (descending)
-		};
-		
-		// Constant iterator type
-		typedef const xpath_node* const_iterator;
-	
-		// Default constructor. Constructs empty set.
-		xpath_node_set();
-
-		// Constructs a set from iterator range; data is not checked for duplicates and is not sorted according to provided type, so be careful
-		xpath_node_set(const_iterator begin, const_iterator end, type_t type = type_unsorted);
-
-		// Destructor
-		~xpath_node_set();
-		
-		// Copy constructor/assignment operator
-		xpath_node_set(const xpath_node_set& ns);
-		xpath_node_set& operator=(const xpath_node_set& ns);
-
-		// Get collection type
-		type_t type() const;
-		
-		// Get collection size
-		size_t size() const;
-
-		// Indexing operator
-		const xpath_node& operator[](size_t index) const;
-		
-		// Collection iterators
-		const_iterator begin() const;
-		const_iterator end() const;
-
-		// Sort the collection in ascending/descending order by document order
-		void sort(bool reverse = false);
-		
-		// Get first node in the collection by document order
-		xpath_node first() const;
-		
-		// Check if collection is empty
-		bool empty() const;
-	
-	private:
-		type_t _type;
-		
-		xpath_node _storage;
-		
-		xpath_node* _begin;
-		xpath_node* _end;
-
-		void _assign(const_iterator begin, const_iterator end);
-	};
-#endif
-
-#ifndef PUGIXML_NO_STL
-	// Convert wide string to UTF8
-	std::basic_string<char, std::char_traits<char>, std::allocator<char> > PUGIXML_FUNCTION as_utf8(const wchar_t* str);
-	std::basic_string<char, std::char_traits<char>, std::allocator<char> > PUGIXML_FUNCTION as_utf8(const std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >& str);
-	
-	// Convert UTF8 to wide string
-	std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > PUGIXML_FUNCTION as_wide(const char* str);
-	std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > PUGIXML_FUNCTION as_wide(const std::basic_string<char, std::char_traits<char>, std::allocator<char> >& str);
-#endif
-
-	// Memory allocation function interface; returns pointer to allocated memory or NULL on failure
-	typedef void* (*allocation_function)(size_t size);
-	
-	// Memory deallocation function interface
-	typedef void (*deallocation_function)(void* ptr);
-
-	// Override default memory management functions. All subsequent allocations/deallocations will be performed via supplied functions.
-	void PUGIXML_FUNCTION set_memory_management_functions(allocation_function allocate, deallocation_function deallocate);
-	
-	// Get current memory management functions
-	allocation_function PUGIXML_FUNCTION get_memory_allocation_function();
-	deallocation_function PUGIXML_FUNCTION get_memory_deallocation_function();
-}
-
-#if !defined(PUGIXML_NO_STL) && (defined(_MSC_VER) || defined(__ICC))
-namespace std
-{
-	// Workarounds for (non-standard) iterator category detection for older versions (MSVC7/IC8 and earlier)
-	std::bidirectional_iterator_tag PUGIXML_FUNCTION _Iter_cat(const pugi::xml_node_iterator&);
-	std::bidirectional_iterator_tag PUGIXML_FUNCTION _Iter_cat(const pugi::xml_attribute_iterator&);
-	std::forward_iterator_tag PUGIXML_FUNCTION _Iter_cat(const pugi::xml_named_node_iterator&);
-}
-#endif
-
-#if !defined(PUGIXML_NO_STL) && defined(__SUNPRO_CC)
-namespace std
-{
-	// Workarounds for (non-standard) iterator category detection
-	std::bidirectional_iterator_tag PUGIXML_FUNCTION __iterator_category(const pugi::xml_node_iterator&);
-	std::bidirectional_iterator_tag PUGIXML_FUNCTION __iterator_category(const pugi::xml_attribute_iterator&);
-	std::forward_iterator_tag PUGIXML_FUNCTION __iterator_category(const pugi::xml_named_node_iterator&);
-}
-#endif
-
-#endif
-
-/**
- * Copyright (c) 2006-2012 Arseny Kapoulkine
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */