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Diffstat (limited to 'src/third_party/boost/boost/regex/v4/cpp_regex_traits.hpp')
-rw-r--r-- | src/third_party/boost/boost/regex/v4/cpp_regex_traits.hpp | 1096 |
1 files changed, 0 insertions, 1096 deletions
diff --git a/src/third_party/boost/boost/regex/v4/cpp_regex_traits.hpp b/src/third_party/boost/boost/regex/v4/cpp_regex_traits.hpp deleted file mode 100644 index bcae455a375..00000000000 --- a/src/third_party/boost/boost/regex/v4/cpp_regex_traits.hpp +++ /dev/null @@ -1,1096 +0,0 @@ -/* - * - * Copyright (c) 2004 John Maddock - * Copyright 2011 Garmin Ltd. or its subsidiaries - * - * Use, modification and distribution are subject to the - * Boost Software License, Version 1.0. (See accompanying file - * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) - * - */ - - /* - * LOCATION: see http://www.boost.org for most recent version. - * FILE cpp_regex_traits.hpp - * VERSION see <boost/version.hpp> - * DESCRIPTION: Declares regular expression traits class cpp_regex_traits. - */ - -#ifndef BOOST_CPP_REGEX_TRAITS_HPP_INCLUDED -#define BOOST_CPP_REGEX_TRAITS_HPP_INCLUDED - -#include <boost/config.hpp> - -#ifndef BOOST_NO_STD_LOCALE - -#ifndef BOOST_RE_PAT_EXCEPT_HPP -#include <boost/regex/pattern_except.hpp> -#endif -#ifndef BOOST_REGEX_TRAITS_DEFAULTS_HPP_INCLUDED -#include <boost/regex/v4/regex_traits_defaults.hpp> -#endif -#ifdef BOOST_HAS_THREADS -#include <boost/regex/pending/static_mutex.hpp> -#endif -#ifndef BOOST_REGEX_PRIMARY_TRANSFORM -#include <boost/regex/v4/primary_transform.hpp> -#endif -#ifndef BOOST_REGEX_OBJECT_CACHE_HPP -#include <boost/regex/pending/object_cache.hpp> -#endif - -#include <istream> -#include <ios> -#include <climits> - -#ifdef BOOST_MSVC -#pragma warning(push) -#pragma warning(disable: 4103) -#endif -#ifdef BOOST_HAS_ABI_HEADERS -# include BOOST_ABI_PREFIX -#endif -#ifdef BOOST_MSVC -#pragma warning(pop) -#endif - -#ifdef BOOST_MSVC -#pragma warning(push) -#pragma warning(disable:4786 4251) -#endif - -namespace boost{ - -// -// forward declaration is needed by some compilers: -// -template <class charT> -class cpp_regex_traits; - -namespace re_detail{ - -// -// class parser_buf: -// acts as a stream buffer which wraps around a pair of pointers: -// -template <class charT, - class traits = ::std::char_traits<charT> > -class parser_buf : public ::std::basic_streambuf<charT, traits> -{ - typedef ::std::basic_streambuf<charT, traits> base_type; - typedef typename base_type::int_type int_type; - typedef typename base_type::char_type char_type; - typedef typename base_type::pos_type pos_type; - typedef ::std::streamsize streamsize; - typedef typename base_type::off_type off_type; -public: - parser_buf() : base_type() { setbuf(0, 0); } - const charT* getnext() { return this->gptr(); } -protected: - std::basic_streambuf<charT, traits>* setbuf(char_type* s, streamsize n); - typename parser_buf<charT, traits>::pos_type seekpos(pos_type sp, ::std::ios_base::openmode which); - typename parser_buf<charT, traits>::pos_type seekoff(off_type off, ::std::ios_base::seekdir way, ::std::ios_base::openmode which); -private: - parser_buf& operator=(const parser_buf&); - parser_buf(const parser_buf&); -}; - -template<class charT, class traits> -std::basic_streambuf<charT, traits>* -parser_buf<charT, traits>::setbuf(char_type* s, streamsize n) -{ - this->setg(s, s, s + n); - return this; -} - -template<class charT, class traits> -typename parser_buf<charT, traits>::pos_type -parser_buf<charT, traits>::seekoff(off_type off, ::std::ios_base::seekdir way, ::std::ios_base::openmode which) -{ - if(which & ::std::ios_base::out) - return pos_type(off_type(-1)); - std::ptrdiff_t size = this->egptr() - this->eback(); - std::ptrdiff_t pos = this->gptr() - this->eback(); - charT* g = this->eback(); - switch(way) - { - case ::std::ios_base::beg: - if((off < 0) || (off > size)) - return pos_type(off_type(-1)); - else - this->setg(g, g + off, g + size); - break; - case ::std::ios_base::end: - if((off < 0) || (off > size)) - return pos_type(off_type(-1)); - else - this->setg(g, g + size - off, g + size); - break; - case ::std::ios_base::cur: - { - std::ptrdiff_t newpos = static_cast<std::ptrdiff_t>(pos + off); - if((newpos < 0) || (newpos > size)) - return pos_type(off_type(-1)); - else - this->setg(g, g + newpos, g + size); - break; - } - default: ; - } -#ifdef BOOST_MSVC -#pragma warning(push) -#pragma warning(disable:4244) -#endif - return static_cast<pos_type>(this->gptr() - this->eback()); -#ifdef BOOST_MSVC -#pragma warning(pop) -#endif -} - -template<class charT, class traits> -typename parser_buf<charT, traits>::pos_type -parser_buf<charT, traits>::seekpos(pos_type sp, ::std::ios_base::openmode which) -{ - if(which & ::std::ios_base::out) - return pos_type(off_type(-1)); - off_type size = static_cast<off_type>(this->egptr() - this->eback()); - charT* g = this->eback(); - if(off_type(sp) <= size) - { - this->setg(g, g + off_type(sp), g + size); - } - return pos_type(off_type(-1)); -} - -// -// class cpp_regex_traits_base: -// acts as a container for locale and the facets we are using. -// -template <class charT> -struct cpp_regex_traits_base -{ - cpp_regex_traits_base(const std::locale& l) - { imbue(l); } - std::locale imbue(const std::locale& l); - - std::locale m_locale; - std::ctype<charT> const* m_pctype; -#ifndef BOOST_NO_STD_MESSAGES - std::messages<charT> const* m_pmessages; -#endif - std::collate<charT> const* m_pcollate; - - bool operator<(const cpp_regex_traits_base& b)const - { - if(m_pctype == b.m_pctype) - { -#ifndef BOOST_NO_STD_MESSAGES - if(m_pmessages == b.m_pmessages) - { - return m_pcollate < b.m_pcollate; - } - return m_pmessages < b.m_pmessages; -#else - return m_pcollate < b.m_pcollate; -#endif - } - return m_pctype < b.m_pctype; - } - bool operator==(const cpp_regex_traits_base& b)const - { - return (m_pctype == b.m_pctype) -#ifndef BOOST_NO_STD_MESSAGES - && (m_pmessages == b.m_pmessages) -#endif - && (m_pcollate == b.m_pcollate); - } -}; - -template <class charT> -std::locale cpp_regex_traits_base<charT>::imbue(const std::locale& l) -{ - std::locale result(m_locale); - m_locale = l; - m_pctype = &BOOST_USE_FACET(std::ctype<charT>, l); -#ifndef BOOST_NO_STD_MESSAGES - m_pmessages = BOOST_HAS_FACET(std::messages<charT>, l) ? &BOOST_USE_FACET(std::messages<charT>, l) : 0; -#endif - m_pcollate = &BOOST_USE_FACET(std::collate<charT>, l); - return result; -} - -// -// class cpp_regex_traits_char_layer: -// implements methods that require specialisation for narrow characters: -// -template <class charT> -class cpp_regex_traits_char_layer : public cpp_regex_traits_base<charT> -{ - typedef std::basic_string<charT> string_type; - typedef std::map<charT, regex_constants::syntax_type> map_type; - typedef typename map_type::const_iterator map_iterator_type; -public: - cpp_regex_traits_char_layer(const std::locale& l) - : cpp_regex_traits_base<charT>(l) - { - init(); - } - cpp_regex_traits_char_layer(const cpp_regex_traits_base<charT>& b) - : cpp_regex_traits_base<charT>(b) - { - init(); - } - void init(); - - regex_constants::syntax_type syntax_type(charT c)const - { - map_iterator_type i = m_char_map.find(c); - return ((i == m_char_map.end()) ? 0 : i->second); - } - regex_constants::escape_syntax_type escape_syntax_type(charT c) const - { - map_iterator_type i = m_char_map.find(c); - if(i == m_char_map.end()) - { - if(this->m_pctype->is(std::ctype_base::lower, c)) return regex_constants::escape_type_class; - if(this->m_pctype->is(std::ctype_base::upper, c)) return regex_constants::escape_type_not_class; - return 0; - } - return i->second; - } - -private: - string_type get_default_message(regex_constants::syntax_type); - // TODO: use a hash table when available! - map_type m_char_map; -}; - -template <class charT> -void cpp_regex_traits_char_layer<charT>::init() -{ - // we need to start by initialising our syntax map so we know which - // character is used for which purpose: -#ifndef BOOST_NO_STD_MESSAGES -#ifndef __IBMCPP__ - typename std::messages<charT>::catalog cat = static_cast<std::messages<char>::catalog>(-1); -#else - typename std::messages<charT>::catalog cat = reinterpret_cast<std::messages<char>::catalog>(-1); -#endif - std::string cat_name(cpp_regex_traits<charT>::get_catalog_name()); - if(cat_name.size() && (this->m_pmessages != 0)) - { - cat = this->m_pmessages->open( - cat_name, - this->m_locale); - if((int)cat < 0) - { - std::string m("Unable to open message catalog: "); - std::runtime_error err(m + cat_name); - boost::re_detail::raise_runtime_error(err); - } - } - // - // if we have a valid catalog then load our messages: - // - if((int)cat >= 0) - { -#ifndef BOOST_NO_EXCEPTIONS - try{ -#endif - for(regex_constants::syntax_type i = 1; i < regex_constants::syntax_max; ++i) - { - string_type mss = this->m_pmessages->get(cat, 0, i, get_default_message(i)); - for(typename string_type::size_type j = 0; j < mss.size(); ++j) - { - m_char_map[mss[j]] = i; - } - } - this->m_pmessages->close(cat); -#ifndef BOOST_NO_EXCEPTIONS - } - catch(...) - { - if(this->m_pmessages) - this->m_pmessages->close(cat); - throw; - } -#endif - } - else - { -#endif - for(regex_constants::syntax_type i = 1; i < regex_constants::syntax_max; ++i) - { - const char* ptr = get_default_syntax(i); - while(ptr && *ptr) - { - m_char_map[this->m_pctype->widen(*ptr)] = i; - ++ptr; - } - } -#ifndef BOOST_NO_STD_MESSAGES - } -#endif -} - -template <class charT> -typename cpp_regex_traits_char_layer<charT>::string_type - cpp_regex_traits_char_layer<charT>::get_default_message(regex_constants::syntax_type i) -{ - const char* ptr = get_default_syntax(i); - string_type result; - while(ptr && *ptr) - { - result.append(1, this->m_pctype->widen(*ptr)); - ++ptr; - } - return result; -} - -// -// specialised version for narrow characters: -// -template <> -class BOOST_REGEX_DECL cpp_regex_traits_char_layer<char> : public cpp_regex_traits_base<char> -{ - typedef std::string string_type; -public: - cpp_regex_traits_char_layer(const std::locale& l) - : cpp_regex_traits_base<char>(l) - { - init(); - } - cpp_regex_traits_char_layer(const cpp_regex_traits_base<char>& l) - : cpp_regex_traits_base<char>(l) - { - init(); - } - - regex_constants::syntax_type syntax_type(char c)const - { - return m_char_map[static_cast<unsigned char>(c)]; - } - regex_constants::escape_syntax_type escape_syntax_type(char c) const - { - return m_char_map[static_cast<unsigned char>(c)]; - } - -private: - regex_constants::syntax_type m_char_map[1u << CHAR_BIT]; - void init(); -}; - -#ifdef BOOST_REGEX_BUGGY_CTYPE_FACET -enum -{ - char_class_space=1<<0, - char_class_print=1<<1, - char_class_cntrl=1<<2, - char_class_upper=1<<3, - char_class_lower=1<<4, - char_class_alpha=1<<5, - char_class_digit=1<<6, - char_class_punct=1<<7, - char_class_xdigit=1<<8, - char_class_alnum=char_class_alpha|char_class_digit, - char_class_graph=char_class_alnum|char_class_punct, - char_class_blank=1<<9, - char_class_word=1<<10, - char_class_unicode=1<<11, - char_class_horizontal_space=1<<12, - char_class_vertical_space=1<<13 -}; - -#endif - -// -// class cpp_regex_traits_implementation: -// provides pimpl implementation for cpp_regex_traits. -// -template <class charT> -class cpp_regex_traits_implementation : public cpp_regex_traits_char_layer<charT> -{ -public: - typedef typename cpp_regex_traits<charT>::char_class_type char_class_type; - typedef typename std::ctype<charT>::mask native_mask_type; -#ifndef BOOST_REGEX_BUGGY_CTYPE_FACET - BOOST_STATIC_CONSTANT(char_class_type, mask_blank = 1u << 24); - BOOST_STATIC_CONSTANT(char_class_type, mask_word = 1u << 25); - BOOST_STATIC_CONSTANT(char_class_type, mask_unicode = 1u << 26); - BOOST_STATIC_CONSTANT(char_class_type, mask_horizontal = 1u << 27); - BOOST_STATIC_CONSTANT(char_class_type, mask_vertical = 1u << 28); -#endif - - typedef std::basic_string<charT> string_type; - typedef charT char_type; - //cpp_regex_traits_implementation(); - cpp_regex_traits_implementation(const std::locale& l) - : cpp_regex_traits_char_layer<charT>(l) - { - init(); - } - cpp_regex_traits_implementation(const cpp_regex_traits_base<charT>& l) - : cpp_regex_traits_char_layer<charT>(l) - { - init(); - } - std::string error_string(regex_constants::error_type n) const - { - if(!m_error_strings.empty()) - { - std::map<int, std::string>::const_iterator p = m_error_strings.find(n); - return (p == m_error_strings.end()) ? std::string(get_default_error_string(n)) : p->second; - } - return get_default_error_string(n); - } - char_class_type lookup_classname(const charT* p1, const charT* p2) const - { - char_class_type result = lookup_classname_imp(p1, p2); - if(result == 0) - { - string_type temp(p1, p2); - this->m_pctype->tolower(&*temp.begin(), &*temp.begin() + temp.size()); - result = lookup_classname_imp(&*temp.begin(), &*temp.begin() + temp.size()); - } - return result; - } - string_type lookup_collatename(const charT* p1, const charT* p2) const; - string_type transform_primary(const charT* p1, const charT* p2) const; - string_type transform(const charT* p1, const charT* p2) const; -private: - std::map<int, std::string> m_error_strings; // error messages indexed by numberic ID - std::map<string_type, char_class_type> m_custom_class_names; // character class names - std::map<string_type, string_type> m_custom_collate_names; // collating element names - unsigned m_collate_type; // the form of the collation string - charT m_collate_delim; // the collation group delimiter - // - // helpers: - // - char_class_type lookup_classname_imp(const charT* p1, const charT* p2) const; - void init(); -#ifdef BOOST_REGEX_BUGGY_CTYPE_FACET -public: - bool isctype(charT c, char_class_type m)const; -#endif -}; - -#ifndef BOOST_REGEX_BUGGY_CTYPE_FACET -#if !defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION) - -template <class charT> -typename cpp_regex_traits_implementation<charT>::char_class_type const cpp_regex_traits_implementation<charT>::mask_blank; -template <class charT> -typename cpp_regex_traits_implementation<charT>::char_class_type const cpp_regex_traits_implementation<charT>::mask_word; -template <class charT> -typename cpp_regex_traits_implementation<charT>::char_class_type const cpp_regex_traits_implementation<charT>::mask_unicode; -template <class charT> -typename cpp_regex_traits_implementation<charT>::char_class_type const cpp_regex_traits_implementation<charT>::mask_vertical; -template <class charT> -typename cpp_regex_traits_implementation<charT>::char_class_type const cpp_regex_traits_implementation<charT>::mask_horizontal; - -#endif -#endif - -template <class charT> -typename cpp_regex_traits_implementation<charT>::string_type - cpp_regex_traits_implementation<charT>::transform_primary(const charT* p1, const charT* p2) const -{ - // - // PRECONDITIONS: - // - // A bug in gcc 3.2 (and maybe other versions as well) treats - // p1 as a null terminated string, for efficiency reasons - // we work around this elsewhere, but just assert here that - // we adhere to gcc's (buggy) preconditions... - // - BOOST_ASSERT(*p2 == 0); - - string_type result; - // - // swallowing all exceptions here is a bad idea - // however at least one std lib will always throw - // std::bad_alloc for certain arguments... - // -#ifndef BOOST_NO_EXCEPTIONS - try{ -#endif - // - // What we do here depends upon the format of the sort key returned by - // sort key returned by this->transform: - // - switch(m_collate_type) - { - case sort_C: - case sort_unknown: - // the best we can do is translate to lower case, then get a regular sort key: - { - result.assign(p1, p2); - this->m_pctype->tolower(&*result.begin(), &*result.begin() + result.size()); - result = this->m_pcollate->transform(&*result.begin(), &*result.begin() + result.size()); - break; - } - case sort_fixed: - { - // get a regular sort key, and then truncate it: - result.assign(this->m_pcollate->transform(p1, p2)); - result.erase(this->m_collate_delim); - break; - } - case sort_delim: - // get a regular sort key, and then truncate everything after the delim: - result.assign(this->m_pcollate->transform(p1, p2)); - std::size_t i; - for(i = 0; i < result.size(); ++i) - { - if(result[i] == m_collate_delim) - break; - } - result.erase(i); - break; - } -#ifndef BOOST_NO_EXCEPTIONS - }catch(...){} -#endif - while(result.size() && (charT(0) == *result.rbegin())) - result.erase(result.size() - 1); - if(result.empty()) - { - // character is ignorable at the primary level: - result = string_type(1, charT(0)); - } - return result; -} - -template <class charT> -typename cpp_regex_traits_implementation<charT>::string_type - cpp_regex_traits_implementation<charT>::transform(const charT* p1, const charT* p2) const -{ - // - // PRECONDITIONS: - // - // A bug in gcc 3.2 (and maybe other versions as well) treats - // p1 as a null terminated string, for efficiency reasons - // we work around this elsewhere, but just assert here that - // we adhere to gcc's (buggy) preconditions... - // - BOOST_ASSERT(*p2 == 0); - // - // swallowing all exceptions here is a bad idea - // however at least one std lib will always throw - // std::bad_alloc for certain arguments... - // - string_type result; -#ifndef BOOST_NO_EXCEPTIONS - try{ -#endif - result = this->m_pcollate->transform(p1, p2); - // - // Borland's STLPort version returns a NULL-terminated - // string that has garbage at the end - each call to - // std::collate<wchar_t>::transform returns a different string! - // So as a workaround, we'll truncate the string at the first NULL - // which _seems_ to work.... -#if BOOST_WORKAROUND(__BORLANDC__, < 0x580) - result.erase(result.find(charT(0))); -#else - // - // some implementations (Dinkumware) append unnecessary trailing \0's: - while(result.size() && (charT(0) == *result.rbegin())) - result.erase(result.size() - 1); -#endif - BOOST_ASSERT(std::find(result.begin(), result.end(), charT(0)) == result.end()); -#ifndef BOOST_NO_EXCEPTIONS - } - catch(...) - { - } -#endif - return result; -} - - -template <class charT> -typename cpp_regex_traits_implementation<charT>::string_type - cpp_regex_traits_implementation<charT>::lookup_collatename(const charT* p1, const charT* p2) const -{ - typedef typename std::map<string_type, string_type>::const_iterator iter_type; - if(m_custom_collate_names.size()) - { - iter_type pos = m_custom_collate_names.find(string_type(p1, p2)); - if(pos != m_custom_collate_names.end()) - return pos->second; - } -#if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)\ - && !BOOST_WORKAROUND(BOOST_MSVC, < 1300)\ - && !BOOST_WORKAROUND(__BORLANDC__, <= 0x0551) - std::string name(p1, p2); -#else - std::string name; - const charT* p0 = p1; - while(p0 != p2) - name.append(1, char(*p0++)); -#endif - name = lookup_default_collate_name(name); -#if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)\ - && !BOOST_WORKAROUND(BOOST_MSVC, < 1300)\ - && !BOOST_WORKAROUND(__BORLANDC__, <= 0x0551) - if(name.size()) - return string_type(name.begin(), name.end()); -#else - if(name.size()) - { - string_type result; - typedef std::string::const_iterator iter; - iter b = name.begin(); - iter e = name.end(); - while(b != e) - result.append(1, charT(*b++)); - return result; - } -#endif - if(p2 - p1 == 1) - return string_type(1, *p1); - return string_type(); -} - -template <class charT> -void cpp_regex_traits_implementation<charT>::init() -{ -#ifndef BOOST_NO_STD_MESSAGES -#ifndef __IBMCPP__ - typename std::messages<charT>::catalog cat = static_cast<std::messages<char>::catalog>(-1); -#else - typename std::messages<charT>::catalog cat = reinterpret_cast<std::messages<char>::catalog>(-1); -#endif - std::string cat_name(cpp_regex_traits<charT>::get_catalog_name()); - if(cat_name.size() && (this->m_pmessages != 0)) - { - cat = this->m_pmessages->open( - cat_name, - this->m_locale); - if((int)cat < 0) - { - std::string m("Unable to open message catalog: "); - std::runtime_error err(m + cat_name); - boost::re_detail::raise_runtime_error(err); - } - } - // - // if we have a valid catalog then load our messages: - // - if((int)cat >= 0) - { - // - // Error messages: - // - for(boost::regex_constants::error_type i = static_cast<boost::regex_constants::error_type>(0); - i <= boost::regex_constants::error_unknown; - i = static_cast<boost::regex_constants::error_type>(i + 1)) - { - const char* p = get_default_error_string(i); - string_type default_message; - while(*p) - { - default_message.append(1, this->m_pctype->widen(*p)); - ++p; - } - string_type s = this->m_pmessages->get(cat, 0, i+200, default_message); - std::string result; - for(std::string::size_type j = 0; j < s.size(); ++j) - { - result.append(1, this->m_pctype->narrow(s[j], 0)); - } - m_error_strings[i] = result; - } - // - // Custom class names: - // -#ifndef BOOST_REGEX_BUGGY_CTYPE_FACET - static const char_class_type masks[16] = - { - std::ctype<charT>::alnum, - std::ctype<charT>::alpha, - std::ctype<charT>::cntrl, - std::ctype<charT>::digit, - std::ctype<charT>::graph, - cpp_regex_traits_implementation<charT>::mask_horizontal, - std::ctype<charT>::lower, - std::ctype<charT>::print, - std::ctype<charT>::punct, - std::ctype<charT>::space, - std::ctype<charT>::upper, - cpp_regex_traits_implementation<charT>::mask_vertical, - std::ctype<charT>::xdigit, - cpp_regex_traits_implementation<charT>::mask_blank, - cpp_regex_traits_implementation<charT>::mask_word, - cpp_regex_traits_implementation<charT>::mask_unicode, - }; -#else - static const char_class_type masks[16] = - { - ::boost::re_detail::char_class_alnum, - ::boost::re_detail::char_class_alpha, - ::boost::re_detail::char_class_cntrl, - ::boost::re_detail::char_class_digit, - ::boost::re_detail::char_class_graph, - ::boost::re_detail::char_class_horizontal_space, - ::boost::re_detail::char_class_lower, - ::boost::re_detail::char_class_print, - ::boost::re_detail::char_class_punct, - ::boost::re_detail::char_class_space, - ::boost::re_detail::char_class_upper, - ::boost::re_detail::char_class_vertical_space, - ::boost::re_detail::char_class_xdigit, - ::boost::re_detail::char_class_blank, - ::boost::re_detail::char_class_word, - ::boost::re_detail::char_class_unicode, - }; -#endif - static const string_type null_string; - for(unsigned int j = 0; j <= 13; ++j) - { - string_type s(this->m_pmessages->get(cat, 0, j+300, null_string)); - if(s.size()) - this->m_custom_class_names[s] = masks[j]; - } - } -#endif - // - // get the collation format used by m_pcollate: - // - m_collate_type = re_detail::find_sort_syntax(this, &m_collate_delim); -} - -template <class charT> -typename cpp_regex_traits_implementation<charT>::char_class_type - cpp_regex_traits_implementation<charT>::lookup_classname_imp(const charT* p1, const charT* p2) const -{ -#ifndef BOOST_REGEX_BUGGY_CTYPE_FACET - static const char_class_type masks[22] = - { - 0, - std::ctype<char>::alnum, - std::ctype<char>::alpha, - cpp_regex_traits_implementation<charT>::mask_blank, - std::ctype<char>::cntrl, - std::ctype<char>::digit, - std::ctype<char>::digit, - std::ctype<char>::graph, - cpp_regex_traits_implementation<charT>::mask_horizontal, - std::ctype<char>::lower, - std::ctype<char>::lower, - std::ctype<char>::print, - std::ctype<char>::punct, - std::ctype<char>::space, - std::ctype<char>::space, - std::ctype<char>::upper, - cpp_regex_traits_implementation<charT>::mask_unicode, - std::ctype<char>::upper, - cpp_regex_traits_implementation<charT>::mask_vertical, - std::ctype<char>::alnum | cpp_regex_traits_implementation<charT>::mask_word, - std::ctype<char>::alnum | cpp_regex_traits_implementation<charT>::mask_word, - std::ctype<char>::xdigit, - }; -#else - static const char_class_type masks[22] = - { - 0, - ::boost::re_detail::char_class_alnum, - ::boost::re_detail::char_class_alpha, - ::boost::re_detail::char_class_blank, - ::boost::re_detail::char_class_cntrl, - ::boost::re_detail::char_class_digit, - ::boost::re_detail::char_class_digit, - ::boost::re_detail::char_class_graph, - ::boost::re_detail::char_class_horizontal_space, - ::boost::re_detail::char_class_lower, - ::boost::re_detail::char_class_lower, - ::boost::re_detail::char_class_print, - ::boost::re_detail::char_class_punct, - ::boost::re_detail::char_class_space, - ::boost::re_detail::char_class_space, - ::boost::re_detail::char_class_upper, - ::boost::re_detail::char_class_unicode, - ::boost::re_detail::char_class_upper, - ::boost::re_detail::char_class_vertical_space, - ::boost::re_detail::char_class_alnum | ::boost::re_detail::char_class_word, - ::boost::re_detail::char_class_alnum | ::boost::re_detail::char_class_word, - ::boost::re_detail::char_class_xdigit, - }; -#endif - if(m_custom_class_names.size()) - { - typedef typename std::map<std::basic_string<charT>, char_class_type>::const_iterator map_iter; - map_iter pos = m_custom_class_names.find(string_type(p1, p2)); - if(pos != m_custom_class_names.end()) - return pos->second; - } - std::size_t state_id = 1 + re_detail::get_default_class_id(p1, p2); - BOOST_ASSERT(state_id < sizeof(masks) / sizeof(masks[0])); - return masks[state_id]; -} - -#ifdef BOOST_REGEX_BUGGY_CTYPE_FACET -template <class charT> -bool cpp_regex_traits_implementation<charT>::isctype(const charT c, char_class_type mask) const -{ - return - ((mask & ::boost::re_detail::char_class_space) && (this->m_pctype->is(std::ctype<charT>::space, c))) - || ((mask & ::boost::re_detail::char_class_print) && (this->m_pctype->is(std::ctype<charT>::print, c))) - || ((mask & ::boost::re_detail::char_class_cntrl) && (this->m_pctype->is(std::ctype<charT>::cntrl, c))) - || ((mask & ::boost::re_detail::char_class_upper) && (this->m_pctype->is(std::ctype<charT>::upper, c))) - || ((mask & ::boost::re_detail::char_class_lower) && (this->m_pctype->is(std::ctype<charT>::lower, c))) - || ((mask & ::boost::re_detail::char_class_alpha) && (this->m_pctype->is(std::ctype<charT>::alpha, c))) - || ((mask & ::boost::re_detail::char_class_digit) && (this->m_pctype->is(std::ctype<charT>::digit, c))) - || ((mask & ::boost::re_detail::char_class_punct) && (this->m_pctype->is(std::ctype<charT>::punct, c))) - || ((mask & ::boost::re_detail::char_class_xdigit) && (this->m_pctype->is(std::ctype<charT>::xdigit, c))) - || ((mask & ::boost::re_detail::char_class_blank) && (this->m_pctype->is(std::ctype<charT>::space, c)) && !::boost::re_detail::is_separator(c)) - || ((mask & ::boost::re_detail::char_class_word) && (c == '_')) - || ((mask & ::boost::re_detail::char_class_unicode) && ::boost::re_detail::is_extended(c)) - || ((mask & ::boost::re_detail::char_class_vertical_space) && (is_separator(c) || (c == '\v'))) - || ((mask & ::boost::re_detail::char_class_horizontal_space) && this->m_pctype->is(std::ctype<charT>::space, c) && !(is_separator(c) || (c == '\v'))); -} -#endif - - -template <class charT> -inline boost::shared_ptr<const cpp_regex_traits_implementation<charT> > create_cpp_regex_traits(const std::locale& l BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(charT)) -{ - cpp_regex_traits_base<charT> key(l); - return ::boost::object_cache<cpp_regex_traits_base<charT>, cpp_regex_traits_implementation<charT> >::get(key, 5); -} - -} // re_detail - -template <class charT> -class cpp_regex_traits -{ -private: - typedef std::ctype<charT> ctype_type; -public: - typedef charT char_type; - typedef std::size_t size_type; - typedef std::basic_string<char_type> string_type; - typedef std::locale locale_type; - typedef boost::uint_least32_t char_class_type; - - struct boost_extensions_tag{}; - - cpp_regex_traits() - : m_pimpl(re_detail::create_cpp_regex_traits<charT>(std::locale())) - { } - static size_type length(const char_type* p) - { - return std::char_traits<charT>::length(p); - } - regex_constants::syntax_type syntax_type(charT c)const - { - return m_pimpl->syntax_type(c); - } - regex_constants::escape_syntax_type escape_syntax_type(charT c) const - { - return m_pimpl->escape_syntax_type(c); - } - charT translate(charT c) const - { - return c; - } - charT translate_nocase(charT c) const - { - return m_pimpl->m_pctype->tolower(c); - } - charT translate(charT c, bool icase) const - { - return icase ? m_pimpl->m_pctype->tolower(c) : c; - } - charT tolower(charT c) const - { - return m_pimpl->m_pctype->tolower(c); - } - charT toupper(charT c) const - { - return m_pimpl->m_pctype->toupper(c); - } - string_type transform(const charT* p1, const charT* p2) const - { - return m_pimpl->transform(p1, p2); - } - string_type transform_primary(const charT* p1, const charT* p2) const - { - return m_pimpl->transform_primary(p1, p2); - } - char_class_type lookup_classname(const charT* p1, const charT* p2) const - { - return m_pimpl->lookup_classname(p1, p2); - } - string_type lookup_collatename(const charT* p1, const charT* p2) const - { - return m_pimpl->lookup_collatename(p1, p2); - } - bool isctype(charT c, char_class_type f) const - { -#ifndef BOOST_REGEX_BUGGY_CTYPE_FACET - typedef typename std::ctype<charT>::mask ctype_mask; - - static const ctype_mask mask_base = - static_cast<ctype_mask>( - std::ctype<charT>::alnum - | std::ctype<charT>::alpha - | std::ctype<charT>::cntrl - | std::ctype<charT>::digit - | std::ctype<charT>::graph - | std::ctype<charT>::lower - | std::ctype<charT>::print - | std::ctype<charT>::punct - | std::ctype<charT>::space - | std::ctype<charT>::upper - | std::ctype<charT>::xdigit); - - if((f & mask_base) - && (m_pimpl->m_pctype->is( - static_cast<ctype_mask>(f & mask_base), c))) - return true; - else if((f & re_detail::cpp_regex_traits_implementation<charT>::mask_unicode) && re_detail::is_extended(c)) - return true; - else if((f & re_detail::cpp_regex_traits_implementation<charT>::mask_word) && (c == '_')) - return true; - else if((f & re_detail::cpp_regex_traits_implementation<charT>::mask_blank) - && m_pimpl->m_pctype->is(std::ctype<charT>::space, c) - && !re_detail::is_separator(c)) - return true; - else if((f & re_detail::cpp_regex_traits_implementation<charT>::mask_vertical) - && (::boost::re_detail::is_separator(c) || (c == '\v'))) - return true; - else if((f & re_detail::cpp_regex_traits_implementation<charT>::mask_horizontal) - && this->isctype(c, std::ctype<charT>::space) && !this->isctype(c, re_detail::cpp_regex_traits_implementation<charT>::mask_vertical)) - return true; - return false; -#else - return m_pimpl->isctype(c, f); -#endif - } - int toi(const charT*& p1, const charT* p2, int radix)const; - int value(charT c, int radix)const - { - const charT* pc = &c; - return toi(pc, pc + 1, radix); - } - locale_type imbue(locale_type l) - { - std::locale result(getloc()); - m_pimpl = re_detail::create_cpp_regex_traits<charT>(l); - return result; - } - locale_type getloc()const - { - return m_pimpl->m_locale; - } - std::string error_string(regex_constants::error_type n) const - { - return m_pimpl->error_string(n); - } - - // - // extension: - // set the name of the message catalog in use (defaults to "boost_regex"). - // - static std::string catalog_name(const std::string& name); - static std::string get_catalog_name(); - -private: - boost::shared_ptr<const re_detail::cpp_regex_traits_implementation<charT> > m_pimpl; - // - // catalog name handler: - // - static std::string& get_catalog_name_inst(); - -#ifdef BOOST_HAS_THREADS - static static_mutex& get_mutex_inst(); -#endif -}; - - -template <class charT> -int cpp_regex_traits<charT>::toi(const charT*& first, const charT* last, int radix)const -{ - re_detail::parser_buf<charT> sbuf; // buffer for parsing numbers. - std::basic_istream<charT> is(&sbuf); // stream for parsing numbers. - - // we do NOT want to parse any thousands separators inside the stream: - last = std::find(first, last, BOOST_USE_FACET(std::numpunct<charT>, is.getloc()).thousands_sep()); - - sbuf.pubsetbuf(const_cast<charT*>(static_cast<const charT*>(first)), static_cast<std::streamsize>(last-first)); - is.clear(); - if(std::abs(radix) == 16) is >> std::hex; - else if(std::abs(radix) == 8) is >> std::oct; - else is >> std::dec; - int val; - if(is >> val) - { - first = first + ((last - first) - sbuf.in_avail()); - return val; - } - else - return -1; -} - -template <class charT> -std::string cpp_regex_traits<charT>::catalog_name(const std::string& name) -{ -#ifdef BOOST_HAS_THREADS - static_mutex::scoped_lock lk(get_mutex_inst()); -#endif - std::string result(get_catalog_name_inst()); - get_catalog_name_inst() = name; - return result; -} - -template <class charT> -std::string& cpp_regex_traits<charT>::get_catalog_name_inst() -{ - static std::string s_name; - return s_name; -} - -template <class charT> -std::string cpp_regex_traits<charT>::get_catalog_name() -{ -#ifdef BOOST_HAS_THREADS - static_mutex::scoped_lock lk(get_mutex_inst()); -#endif - std::string result(get_catalog_name_inst()); - return result; -} - -#ifdef BOOST_HAS_THREADS -template <class charT> -static_mutex& cpp_regex_traits<charT>::get_mutex_inst() -{ - static static_mutex s_mutex = BOOST_STATIC_MUTEX_INIT; - return s_mutex; -} -#endif - - -} // boost - -#ifdef BOOST_MSVC -#pragma warning(pop) -#endif - -#ifdef BOOST_MSVC -#pragma warning(push) -#pragma warning(disable: 4103) -#endif -#ifdef BOOST_HAS_ABI_HEADERS -# include BOOST_ABI_SUFFIX -#endif -#ifdef BOOST_MSVC -#pragma warning(pop) -#endif - -#endif - -#endif - - |