183 lines
7.0 KiB
C++
183 lines
7.0 KiB
C++
// boost/filesystem/fstream.hpp ------------------------------------------------------//
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// Copyright Beman Dawes 2002
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// Distributed under the Boost Software License, Version 1.0.
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// See http://www.boost.org/LICENSE_1_0.txt
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// Library home page: http://www.boost.org/libs/filesystem
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//--------------------------------------------------------------------------------------//
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#ifndef BOOST_FILESYSTEM3_FSTREAM_HPP
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#define BOOST_FILESYSTEM3_FSTREAM_HPP
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#include <boost/config.hpp>
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# if defined( BOOST_NO_STD_WSTRING )
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# error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
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# endif
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#include <boost/filesystem/path.hpp>
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#include <iosfwd>
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#include <fstream>
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#include <boost/config/abi_prefix.hpp> // must be the last #include
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// on Windows, except for standard libaries known to have wchar_t overloads for
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// file stream I/O, use path::string() to get a narrow character c_str()
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#if defined(BOOST_WINDOWS_API) \
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&& (!defined(_CPPLIB_VER) || _CPPLIB_VER < 405 || defined(_STLPORT_VERSION))
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// !Dinkumware || early Dinkumware || STLPort masquerading as Dinkumware
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# define BOOST_FILESYSTEM_C_STR string().c_str() // use narrow, since wide not available
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#else // use the native c_str, which will be narrow on POSIX, wide on Windows
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# define BOOST_FILESYSTEM_C_STR c_str()
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#endif
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namespace boost
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{
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namespace filesystem
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{
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//--------------------------------------------------------------------------------------//
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// basic_filebuf //
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//--------------------------------------------------------------------------------------//
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template < class charT, class traits = std::char_traits<charT> >
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class basic_filebuf : public std::basic_filebuf<charT,traits>
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{
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private: // disallow copying
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basic_filebuf(const basic_filebuf&);
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const basic_filebuf& operator=(const basic_filebuf&);
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public:
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basic_filebuf() {}
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virtual ~basic_filebuf() {}
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basic_filebuf<charT,traits>*
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open(const path& p, std::ios_base::openmode mode)
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{
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return std::basic_filebuf<charT,traits>::open(p.BOOST_FILESYSTEM_C_STR, mode)
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? this : 0;
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}
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};
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//--------------------------------------------------------------------------------------//
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// basic_ifstream //
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//--------------------------------------------------------------------------------------//
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template < class charT, class traits = std::char_traits<charT> >
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class basic_ifstream : public std::basic_ifstream<charT,traits>
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{
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private: // disallow copying
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basic_ifstream(const basic_ifstream&);
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const basic_ifstream& operator=(const basic_ifstream&);
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public:
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basic_ifstream() {}
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// use two signatures, rather than one signature with default second
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// argument, to workaround VC++ 7.1 bug (ID VSWhidbey 38416)
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explicit basic_ifstream(const path& p)
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: std::basic_ifstream<charT,traits>(p.BOOST_FILESYSTEM_C_STR, std::ios_base::in) {}
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basic_ifstream(const path& p, std::ios_base::openmode mode)
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: std::basic_ifstream<charT,traits>(p.BOOST_FILESYSTEM_C_STR, mode) {}
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void open(const path& p)
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{ std::basic_ifstream<charT,traits>::open(p.BOOST_FILESYSTEM_C_STR, std::ios_base::in); }
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void open(const path& p, std::ios_base::openmode mode)
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{ std::basic_ifstream<charT,traits>::open(p.BOOST_FILESYSTEM_C_STR, mode); }
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virtual ~basic_ifstream() {}
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};
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//--------------------------------------------------------------------------------------//
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// basic_ofstream //
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//--------------------------------------------------------------------------------------//
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template < class charT, class traits = std::char_traits<charT> >
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class basic_ofstream : public std::basic_ofstream<charT,traits>
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{
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private: // disallow copying
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basic_ofstream(const basic_ofstream&);
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const basic_ofstream& operator=(const basic_ofstream&);
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public:
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basic_ofstream() {}
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// use two signatures, rather than one signature with default second
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// argument, to workaround VC++ 7.1 bug (ID VSWhidbey 38416)
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explicit basic_ofstream(const path& p)
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: std::basic_ofstream<charT,traits>(p.BOOST_FILESYSTEM_C_STR, std::ios_base::out) {}
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basic_ofstream(const path& p, std::ios_base::openmode mode)
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: std::basic_ofstream<charT,traits>(p.BOOST_FILESYSTEM_C_STR, mode) {}
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void open(const path& p)
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{ std::basic_ofstream<charT,traits>::open(p.BOOST_FILESYSTEM_C_STR, std::ios_base::out); }
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void open(const path& p, std::ios_base::openmode mode)
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{ std::basic_ofstream<charT,traits>::open(p.BOOST_FILESYSTEM_C_STR, mode); }
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virtual ~basic_ofstream() {}
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};
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//--------------------------------------------------------------------------------------//
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// basic_fstream //
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//--------------------------------------------------------------------------------------//
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template < class charT, class traits = std::char_traits<charT> >
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class basic_fstream : public std::basic_fstream<charT,traits>
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{
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private: // disallow copying
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basic_fstream(const basic_fstream&);
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const basic_fstream & operator=(const basic_fstream&);
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public:
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basic_fstream() {}
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// use two signatures, rather than one signature with default second
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// argument, to workaround VC++ 7.1 bug (ID VSWhidbey 38416)
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explicit basic_fstream(const path& p)
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: std::basic_fstream<charT,traits>(p.BOOST_FILESYSTEM_C_STR,
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std::ios_base::in | std::ios_base::out) {}
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basic_fstream(const path& p, std::ios_base::openmode mode)
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: std::basic_fstream<charT,traits>(p.BOOST_FILESYSTEM_C_STR, mode) {}
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void open(const path& p)
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{ std::basic_fstream<charT,traits>::open(p.BOOST_FILESYSTEM_C_STR,
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std::ios_base::in | std::ios_base::out); }
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void open(const path& p, std::ios_base::openmode mode)
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{ std::basic_fstream<charT,traits>::open(p.BOOST_FILESYSTEM_C_STR, mode); }
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virtual ~basic_fstream() {}
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};
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//--------------------------------------------------------------------------------------//
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// typedefs //
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//--------------------------------------------------------------------------------------//
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typedef basic_filebuf<char> filebuf;
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typedef basic_ifstream<char> ifstream;
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typedef basic_ofstream<char> ofstream;
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typedef basic_fstream<char> fstream;
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typedef basic_filebuf<wchar_t> wfilebuf;
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typedef basic_ifstream<wchar_t> wifstream;
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typedef basic_ofstream<wchar_t> wofstream;
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typedef basic_fstream<wchar_t> wfstream;
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} // namespace filesystem
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} // namespace boost
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#include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
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#endif // BOOST_FILESYSTEM3_FSTREAM_HPP
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