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Diffstat (limited to 'src/third_party/boost-1.56.0/boost/detail/basic_pointerbuf.hpp')
-rw-r--r-- | src/third_party/boost-1.56.0/boost/detail/basic_pointerbuf.hpp | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/src/third_party/boost-1.56.0/boost/detail/basic_pointerbuf.hpp b/src/third_party/boost-1.56.0/boost/detail/basic_pointerbuf.hpp deleted file mode 100644 index 1d8cf373b3a..00000000000 --- a/src/third_party/boost-1.56.0/boost/detail/basic_pointerbuf.hpp +++ /dev/null @@ -1,139 +0,0 @@ -//----------------------------------------------------------------------------- -// boost detail/templated_streams.hpp header file -// See http://www.boost.org for updates, documentation, and revision history. -//----------------------------------------------------------------------------- -// -// Copyright (c) 2013 John Maddock, Antony Polukhin -// -// -// Distributed under 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) - -#ifndef BOOST_DETAIL_BASIC_POINTERBUF_HPP -#define BOOST_DETAIL_BASIC_POINTERBUF_HPP - -// MS compatible compilers support #pragma once -#if defined(_MSC_VER) -# pragma once -#endif - -#include "boost/config.hpp" -#include <streambuf> - -namespace boost { namespace detail { - -// -// class basic_pointerbuf: -// acts as a stream buffer which wraps around a pair of pointers: -// -template <class charT, class BufferT > -class basic_pointerbuf : public BufferT { -protected: - typedef BufferT base_type; - typedef basic_pointerbuf<charT, BufferT> this_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: - basic_pointerbuf() : base_type() { setbuf(0, 0); } - const charT* getnext() { return this->gptr(); } - -#ifndef BOOST_NO_USING_TEMPLATE - using base_type::pptr; - using base_type::pbase; -#else - charT* pptr() const { return base_type::pptr(); } - charT* pbase() const { return base_type::pbase(); } -#endif - -protected: - // VC mistakenly assumes that `setbuf` and other functions are not referenced. - // Marking those functions with `inline` suppresses the warnings. - // There must be no harm from marking virtual functions as inline: inline virtual - // call can be inlined ONLY when the compiler knows the "exact class". - inline base_type* setbuf(char_type* s, streamsize n); - inline typename this_type::pos_type seekpos(pos_type sp, ::std::ios_base::openmode which); - inline typename this_type::pos_type seekoff(off_type off, ::std::ios_base::seekdir way, ::std::ios_base::openmode which); - -private: - basic_pointerbuf& operator=(const basic_pointerbuf&); - basic_pointerbuf(const basic_pointerbuf&); -}; - -template<class charT, class BufferT> -BufferT* -basic_pointerbuf<charT, BufferT>::setbuf(char_type* s, streamsize n) -{ - this->setg(s, s, s + n); - return this; -} - -template<class charT, class BufferT> -typename basic_pointerbuf<charT, BufferT>::pos_type -basic_pointerbuf<charT, BufferT>::seekoff(off_type off, ::std::ios_base::seekdir way, ::std::ios_base::openmode which) -{ - typedef typename boost::int_t<sizeof(way) * CHAR_BIT>::least cast_type; - - 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(static_cast<cast_type>(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 BufferT> -typename basic_pointerbuf<charT, BufferT>::pos_type -basic_pointerbuf<charT, BufferT>::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)); -} - -}} // namespace boost::detail - -#endif // BOOST_DETAIL_BASIC_POINTERBUF_HPP - |