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This reference documentation describes components that C++ programs may use to perform operations involving file systems, including paths, regular files, and directories.
$endid $id wording_suffix=Replacements are provided for the file stream classes from the C++ standard
library's <fstream>
header. These replacement classes
publicly inherit from the standard library classes. In the Boost.Filesystem
version, constructors and open functions take const path&
arguments
instead of
const char*
arguments. There are no other differences in syntax or
semantics.
$NAMESPACE_BEGIN; template < class charT, class traits = std::char_traits<charT> > class basic_filebuf : public std::basic_filebuf<charT,traits> { public: basic_filebuf<charT,traits>* open(const path& p, std::ios_base::openmode mode); }; template < class charT, class traits = std::char_traits<charT> > class basic_ifstream : public std::basic_ifstream<charT,traits> { public: explicit basic_ifstream(const path& p, std::ios_base::openmode mode=std::ios_base::in) void open(const path& p, std::ios_base::openmode mode=std::ios_base::in); }; template < class charT, class traits = std::char_traits<charT> > class basic_ofstream : public std::basic_ofstream<charT,traits> { public: explicit basic_ofstream(const path& p, std::ios_base::openmode mode=std::ios_base::out); void open(const path& p, std::ios_base::openmode mode=std::ios_base::out); }; template < class charT, class traits = std::char_traits<charT> > class basic_fstream : public std::basic_fstream<charT,traits> { public: explicit basic_fstream(const path& p, std::ios_base::openmode mode=std::ios_base::in | std::ios_base::out); void open(const path& p, std::ios_base::openmode mode=std::ios_base::in | std::ios_base::out); }; 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_fstream<wchar_t> wfstream; typedef basic_ofstream<wchar_t> wofstream; $NAMESPACE_END;$endid $id backmatter=>
© Copyright Beman Dawes, 2002, 2006, 2007, 2009, 2010, 2011
Distributed under the Boost Software License, Version 1.0. See www.boost.org/LICENSE_1_0.txt
Revised 20 March 2012
$endid