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