1246 lines
43 KiB
C++
1246 lines
43 KiB
C++
// boost/filesystem/operations.hpp -----------------------------------------//
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// Copyright 2002-2005 Beman Dawes
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// Copyright 2002 Jan Langer
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// Copyright 2001 Dietmar Kuehl
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See library home page at http://www.boost.org/libs/filesystem
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//----------------------------------------------------------------------------//
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#ifndef BOOST_FILESYSTEM2_OPERATIONS_HPP
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#define BOOST_FILESYSTEM2_OPERATIONS_HPP
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#include <boost/filesystem/v2/config.hpp>
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#include <boost/filesystem/v2/path.hpp>
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#include <boost/detail/scoped_enum_emulation.hpp>
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#include <boost/shared_ptr.hpp>
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#include <boost/utility/enable_if.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/iterator.hpp>
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#include <boost/cstdint.hpp>
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#include <boost/assert.hpp>
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#include <string>
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#include <utility> // for pair
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#include <ctime>
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#ifdef BOOST_WINDOWS_API
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# include <fstream>
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# if !defined(_WIN32_WINNT) || _WIN32_WINNT >= 0x0500
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# define BOOST_FS_HARD_LINK // Default for Windows 2K or later
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# endif
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#endif
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#include <boost/config/abi_prefix.hpp> // must be the last #include
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# ifdef BOOST_NO_STDC_NAMESPACE
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namespace std { using ::time_t; }
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# endif
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//----------------------------------------------------------------------------//
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namespace boost
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{
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namespace filesystem2
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{
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// typedef boost::filesystem::path Path; needs to be in namespace boost::filesystem
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# ifndef BOOST_FILESYSTEM2_NARROW_ONLY
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# define BOOST_FS_FUNC(BOOST_FS_TYPE) \
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template<class Path> typename boost::enable_if<is_basic_path<Path>, \
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BOOST_FS_TYPE>::type
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# define BOOST_INLINE_FS_FUNC(BOOST_FS_TYPE) \
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template<class Path> inline typename boost::enable_if<is_basic_path<Path>, \
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BOOST_FS_TYPE>::type
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# define BOOST_FS_TYPENAME typename
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# else
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# define BOOST_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE
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# define BOOST_INLINE_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE
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typedef boost::filesystem2::path Path;
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# define BOOST_FS_TYPENAME
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# endif
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template<class Path> class basic_directory_iterator;
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// BOOST_FILESYSTEM2_NARROW_ONLY needs this:
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typedef basic_directory_iterator<path> directory_iterator;
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template<class Path> class basic_directory_entry;
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enum file_type
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{
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status_unknown,
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file_not_found,
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regular_file,
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directory_file,
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// the following will never be reported by some operating or file systems
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symlink_file,
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block_file,
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character_file,
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fifo_file,
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socket_file,
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type_unknown // file does exist, but isn't one of the above types or
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// we don't have strong enough permission to find its type
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};
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class file_status
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{
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public:
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explicit file_status( file_type v = status_unknown ) : m_value(v) {}
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void type( file_type v ) { m_value = v; }
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file_type type() const { return m_value; }
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private:
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// the internal representation is unspecified so that additional state
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// information such as permissions can be added in the future; this
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// implementation just uses status_type as the internal representation
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file_type m_value;
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};
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inline bool status_known( file_status f ) { return f.type() != status_unknown; }
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inline bool exists( file_status f ) { return f.type() != status_unknown && f.type() != file_not_found; }
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inline bool is_regular_file(file_status f){ return f.type() == regular_file; }
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inline bool is_directory( file_status f ) { return f.type() == directory_file; }
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inline bool is_symlink( file_status f ) { return f.type() == symlink_file; }
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inline bool is_other( file_status f ) { return exists(f) && !is_regular_file(f) && !is_directory(f) && !is_symlink(f); }
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# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
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inline bool is_regular( file_status f ) { return f.type() == regular_file; }
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# endif
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struct space_info
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{
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// all values are byte counts
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boost::uintmax_t capacity;
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boost::uintmax_t free; // <= capacity
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boost::uintmax_t available; // <= free
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};
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namespace detail
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{
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typedef std::pair< system::error_code, bool >
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query_pair;
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typedef std::pair< system::error_code, boost::uintmax_t >
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uintmax_pair;
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typedef std::pair< system::error_code, std::time_t >
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time_pair;
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typedef std::pair< system::error_code, space_info >
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space_pair;
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template< class Path >
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struct directory_pair
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{
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typedef std::pair< system::error_code,
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typename Path::external_string_type > type;
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};
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# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
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BOOST_FILESYSTEM_DECL bool
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symbolic_link_exists_api( const std::string & ); // deprecated
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# endif
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BOOST_FILESYSTEM_DECL file_status
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status_api( const std::string & ph, system::error_code & ec );
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# ifndef BOOST_WINDOWS_API
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BOOST_FILESYSTEM_DECL file_status
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symlink_status_api( const std::string & ph, system::error_code & ec );
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# endif
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BOOST_FILESYSTEM_DECL query_pair
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is_empty_api( const std::string & ph );
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BOOST_FILESYSTEM_DECL query_pair
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equivalent_api( const std::string & ph1, const std::string & ph2 );
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BOOST_FILESYSTEM_DECL uintmax_pair
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file_size_api( const std::string & ph );
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BOOST_FILESYSTEM_DECL space_pair
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space_api( const std::string & ph );
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BOOST_FILESYSTEM_DECL time_pair
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last_write_time_api( const std::string & ph );
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BOOST_FILESYSTEM_DECL system::error_code
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last_write_time_api( const std::string & ph, std::time_t new_value );
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BOOST_FILESYSTEM_DECL system::error_code
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get_current_path_api( std::string & ph );
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BOOST_FILESYSTEM_DECL system::error_code
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set_current_path_api( const std::string & ph );
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BOOST_FILESYSTEM_DECL query_pair
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create_directory_api( const std::string & ph );
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BOOST_FILESYSTEM_DECL system::error_code
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create_hard_link_api( const std::string & to_ph,
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const std::string & from_ph );
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BOOST_FILESYSTEM_DECL system::error_code
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create_symlink_api( const std::string & to_ph,
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const std::string & from_ph );
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BOOST_FILESYSTEM_DECL system::error_code
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remove_api( const std::string & ph );
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BOOST_FILESYSTEM_DECL system::error_code
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rename_api( const std::string & from, const std::string & to );
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BOOST_FILESYSTEM_DECL system::error_code
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copy_file_api( const std::string & from, const std::string & to, bool fail_if_exists );
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# if defined(BOOST_WINDOWS_API)
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BOOST_FILESYSTEM_DECL system::error_code
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get_full_path_name_api( const std::string & ph, std::string & target );
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# if !defined(BOOST_FILESYSTEM2_NARROW_ONLY)
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BOOST_FILESYSTEM_DECL boost::filesystem2::file_status
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status_api( const std::wstring & ph, system::error_code & ec );
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BOOST_FILESYSTEM_DECL query_pair
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is_empty_api( const std::wstring & ph );
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BOOST_FILESYSTEM_DECL query_pair
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equivalent_api( const std::wstring & ph1, const std::wstring & ph2 );
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BOOST_FILESYSTEM_DECL uintmax_pair
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file_size_api( const std::wstring & ph );
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BOOST_FILESYSTEM_DECL space_pair
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space_api( const std::wstring & ph );
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BOOST_FILESYSTEM_DECL system::error_code
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get_full_path_name_api( const std::wstring & ph, std::wstring & target );
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BOOST_FILESYSTEM_DECL time_pair
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last_write_time_api( const std::wstring & ph );
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BOOST_FILESYSTEM_DECL system::error_code
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last_write_time_api( const std::wstring & ph, std::time_t new_value );
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BOOST_FILESYSTEM_DECL system::error_code
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get_current_path_api( std::wstring & ph );
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BOOST_FILESYSTEM_DECL system::error_code
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set_current_path_api( const std::wstring & ph );
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BOOST_FILESYSTEM_DECL query_pair
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create_directory_api( const std::wstring & ph );
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# ifdef BOOST_FS_HARD_LINK
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BOOST_FILESYSTEM_DECL system::error_code
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create_hard_link_api( const std::wstring & existing_ph,
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const std::wstring & new_ph );
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# endif
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BOOST_FILESYSTEM_DECL system::error_code
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create_symlink_api( const std::wstring & to_ph,
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const std::wstring & from_ph );
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BOOST_FILESYSTEM_DECL system::error_code
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remove_api( const std::wstring & ph );
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BOOST_FILESYSTEM_DECL system::error_code
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rename_api( const std::wstring & from, const std::wstring & to );
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BOOST_FILESYSTEM_DECL system::error_code
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copy_file_api( const std::wstring & from, const std::wstring & to, bool fail_if_exists );
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# endif
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# endif
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template<class Path>
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bool remove_aux( const Path & ph, file_status f );
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template<class Path>
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unsigned long remove_all_aux( const Path & ph, file_status f );
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} // namespace detail
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// operations functions ----------------------------------------------------//
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// The non-template overloads enable automatic conversion from std and
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// C-style strings. See basic_path constructors. The enable_if for the
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// templates implements the famous "do-the-right-thing" rule.
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// query functions ---------------------------------------------------------//
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BOOST_INLINE_FS_FUNC(file_status)
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status( const Path & ph, system::error_code & ec )
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{ return detail::status_api( ph.external_file_string(), ec ); }
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BOOST_FS_FUNC(file_status)
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status( const Path & ph )
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{
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system::error_code ec;
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file_status result( detail::status_api( ph.external_file_string(), ec ) );
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if ( ec )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::status", ph, ec ) );
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return result;
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}
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BOOST_INLINE_FS_FUNC(file_status)
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symlink_status( const Path & ph, system::error_code & ec )
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# ifdef BOOST_WINDOWS_API
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{ return detail::status_api( ph.external_file_string(), ec ); }
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# else
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{ return detail::symlink_status_api( ph.external_file_string(), ec ); }
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# endif
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BOOST_FS_FUNC(file_status)
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symlink_status( const Path & ph )
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{
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system::error_code ec;
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file_status result( symlink_status( ph, ec ) );
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if ( ec )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::symlink_status", ph, ec ) );
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return result;
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}
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# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
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inline bool symbolic_link_exists( const path & ph )
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{ return is_symlink( symlink_status(ph) ); }
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# endif
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BOOST_FS_FUNC(bool) exists( const Path & ph )
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{
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system::error_code ec;
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file_status result( detail::status_api( ph.external_file_string(), ec ) );
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if ( ec )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::exists", ph, ec ) );
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return exists( result );
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}
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BOOST_FS_FUNC(bool) is_directory( const Path & ph )
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{
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system::error_code ec;
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file_status result( detail::status_api( ph.external_file_string(), ec ) );
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if ( ec )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::is_directory", ph, ec ) );
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return is_directory( result );
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}
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BOOST_FS_FUNC(bool) is_regular_file( const Path & ph )
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{
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system::error_code ec;
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file_status result( detail::status_api( ph.external_file_string(), ec ) );
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if ( ec )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::is_regular_file", ph, ec ) );
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return is_regular_file( result );
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}
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# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
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BOOST_FS_FUNC(bool) is_regular( const Path & ph )
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{
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system::error_code ec;
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file_status result( detail::status_api( ph.external_file_string(), ec ) );
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if ( ec )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::is_regular", ph, ec ) );
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return is_regular( result );
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}
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# endif
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BOOST_FS_FUNC(bool) is_other( const Path & ph )
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{
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system::error_code ec;
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file_status result( detail::status_api( ph.external_file_string(), ec ) );
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if ( ec )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::is_other", ph, ec ) );
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return is_other( result );
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}
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BOOST_FS_FUNC(bool) is_symlink(
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# ifdef BOOST_WINDOWS_API
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const Path & )
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{
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return false;
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# else
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const Path & ph)
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{
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system::error_code ec;
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file_status result( detail::symlink_status_api( ph.external_file_string(), ec ) );
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if ( ec )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::is_symlink", ph, ec ) );
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return is_symlink( result );
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# endif
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}
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// VC++ 7.0 and earlier has a serious namespace bug that causes a clash
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// between boost::filesystem2::is_empty and the unrelated type trait
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// boost::is_empty.
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# if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300
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BOOST_FS_FUNC(bool) is_empty( const Path & ph )
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# else
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BOOST_FS_FUNC(bool) _is_empty( const Path & ph )
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# endif
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{
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detail::query_pair result(
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detail::is_empty_api( ph.external_file_string() ) );
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if ( result.first )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::is_empty", ph, result.first ) );
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return result.second;
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}
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BOOST_FS_FUNC(bool) equivalent( const Path & ph1, const Path & ph2 )
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{
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detail::query_pair result( detail::equivalent_api(
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ph1.external_file_string(), ph2.external_file_string() ) );
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if ( result.first )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::equivalent", ph1, ph2, result.first ) );
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return result.second;
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}
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BOOST_FS_FUNC(boost::uintmax_t) file_size( const Path & ph )
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{
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detail::uintmax_pair result
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( detail::file_size_api( ph.external_file_string() ) );
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if ( result.first )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::file_size", ph, result.first ) );
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return result.second;
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}
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BOOST_FS_FUNC(space_info) space( const Path & ph )
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{
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detail::space_pair result
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( detail::space_api( ph.external_file_string() ) );
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if ( result.first )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::space", ph, result.first ) );
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return result.second;
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}
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BOOST_FS_FUNC(std::time_t) last_write_time( const Path & ph )
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{
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detail::time_pair result
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( detail::last_write_time_api( ph.external_file_string() ) );
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if ( result.first )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::last_write_time", ph, result.first ) );
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return result.second;
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}
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// operations --------------------------------------------------------------//
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BOOST_FS_FUNC(bool) create_directory( const Path & dir_ph )
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{
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detail::query_pair result(
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detail::create_directory_api( dir_ph.external_directory_string() ) );
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if ( result.first )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::create_directory",
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dir_ph, result.first ) );
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return result.second;
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}
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#if !defined(BOOST_WINDOWS_API) || defined(BOOST_FS_HARD_LINK)
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BOOST_FS_FUNC(void)
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create_hard_link( const Path & to_ph, const Path & from_ph )
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{
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system::error_code ec(
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detail::create_hard_link_api(
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to_ph.external_file_string(),
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from_ph.external_file_string() ) );
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if ( ec )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::create_hard_link",
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to_ph, from_ph, ec ) );
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}
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BOOST_FS_FUNC(system::error_code)
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create_hard_link( const Path & to_ph, const Path & from_ph,
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system::error_code & ec )
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{
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ec = detail::create_hard_link_api(
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to_ph.external_file_string(),
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from_ph.external_file_string() );
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return ec;
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}
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#endif
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BOOST_FS_FUNC(void)
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create_symlink( const Path & to_ph, const Path & from_ph )
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{
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system::error_code ec(
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detail::create_symlink_api(
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to_ph.external_file_string(),
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from_ph.external_file_string() ) );
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if ( ec )
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BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
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"boost::filesystem::create_symlink",
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to_ph, from_ph, ec ) );
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}
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BOOST_FS_FUNC(system::error_code)
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create_symlink( const Path & to_ph, const Path & from_ph,
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system::error_code & ec )
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{
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ec = detail::create_symlink_api(
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to_ph.external_file_string(),
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from_ph.external_file_string() );
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return ec;
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}
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BOOST_FS_FUNC(bool) remove( const Path & ph )
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{
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system::error_code ec;
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file_status f = symlink_status( ph, ec );
|
|
if ( ec )
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::remove", ph, ec ) );
|
|
return detail::remove_aux( ph, f );
|
|
}
|
|
|
|
BOOST_FS_FUNC(unsigned long) remove_all( const Path & ph )
|
|
{
|
|
system::error_code ec;
|
|
file_status f = symlink_status( ph, ec );
|
|
if ( ec )
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::remove_all", ph, ec ) );
|
|
return exists( f ) ? detail::remove_all_aux( ph, f ) : 0;
|
|
}
|
|
|
|
BOOST_FS_FUNC(void) rename( const Path & from_path, const Path & to_path )
|
|
{
|
|
system::error_code ec( detail::rename_api(
|
|
from_path.external_directory_string(),
|
|
to_path.external_directory_string() ) );
|
|
if ( ec )
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::rename",
|
|
from_path, to_path, ec ) );
|
|
}
|
|
|
|
BOOST_SCOPED_ENUM_START(copy_option)
|
|
{ fail_if_exists, overwrite_if_exists };
|
|
BOOST_SCOPED_ENUM_END
|
|
|
|
BOOST_FS_FUNC(void) copy_file( const Path & from_path, const Path & to_path,
|
|
BOOST_SCOPED_ENUM(copy_option) option = copy_option::fail_if_exists )
|
|
{
|
|
system::error_code ec( detail::copy_file_api(
|
|
from_path.external_directory_string(),
|
|
to_path.external_directory_string(), option == copy_option::fail_if_exists ) );
|
|
if ( ec )
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::copy_file",
|
|
from_path, to_path, ec ) );
|
|
}
|
|
|
|
template< class Path >
|
|
Path current_path()
|
|
{
|
|
typename Path::external_string_type ph;
|
|
system::error_code ec( detail::get_current_path_api( ph ) );
|
|
if ( ec )
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::current_path", ec ) );
|
|
return Path( Path::traits_type::to_internal( ph ) );
|
|
}
|
|
|
|
BOOST_FS_FUNC(void) current_path( const Path & ph )
|
|
{
|
|
system::error_code ec( detail::set_current_path_api(
|
|
ph.external_directory_string() ) );
|
|
if ( ec )
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::current_path", ph, ec ) );
|
|
}
|
|
|
|
template< class Path >
|
|
const Path & initial_path()
|
|
{
|
|
static Path init_path;
|
|
if ( init_path.empty() ) init_path = current_path<Path>();
|
|
return init_path;
|
|
}
|
|
|
|
# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
|
|
// legacy support
|
|
inline path current_path() // overload supports pre-i18n apps
|
|
{ return current_path<boost::filesystem2::path>(); }
|
|
inline const path & initial_path() // overload supports pre-i18n apps
|
|
{ return initial_path<boost::filesystem2::path>(); }
|
|
# endif
|
|
|
|
BOOST_FS_FUNC(Path) system_complete( const Path & ph )
|
|
{
|
|
# ifdef BOOST_WINDOWS_API
|
|
if ( ph.empty() ) return ph;
|
|
BOOST_FS_TYPENAME Path::external_string_type sys_ph;
|
|
system::error_code ec( detail::get_full_path_name_api( ph.external_file_string(),
|
|
sys_ph ) );
|
|
if ( ec )
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::system_complete", ph, ec ) );
|
|
return Path( Path::traits_type::to_internal( sys_ph ) );
|
|
# else
|
|
return (ph.empty() || ph.is_complete())
|
|
? ph : current_path<Path>() / ph;
|
|
# endif
|
|
}
|
|
|
|
BOOST_FS_FUNC(Path)
|
|
complete( const Path & ph,
|
|
const Path & base/* = initial_path<Path>() */)
|
|
{
|
|
BOOST_ASSERT( base.is_complete()
|
|
&& (ph.is_complete() || !ph.has_root_name())
|
|
&& "boost::filesystem::complete() precondition not met" );
|
|
# ifdef BOOST_WINDOWS_PATH
|
|
if (ph.empty() || ph.is_complete()) return ph;
|
|
if ( !ph.has_root_name() )
|
|
return ph.has_root_directory()
|
|
? Path( base.root_name() ) / ph
|
|
: base / ph;
|
|
return base / ph;
|
|
# else
|
|
return (ph.empty() || ph.is_complete()) ? ph : base / ph;
|
|
# endif
|
|
}
|
|
|
|
// VC++ 7.1 had trouble with default arguments, so separate one argument
|
|
// signatures are provided as workarounds; the effect is the same.
|
|
BOOST_FS_FUNC(Path) complete( const Path & ph )
|
|
{ return complete( ph, initial_path<Path>() ); }
|
|
|
|
BOOST_FS_FUNC(void)
|
|
last_write_time( const Path & ph, const std::time_t new_time )
|
|
{
|
|
system::error_code ec( detail::last_write_time_api( ph.external_file_string(),
|
|
new_time ) );
|
|
if ( ec )
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::last_write_time", ph, ec ) );
|
|
}
|
|
|
|
# ifndef BOOST_FILESYSTEM2_NARROW_ONLY
|
|
|
|
// "do-the-right-thing" overloads ---------------------------------------//
|
|
|
|
inline file_status status( const path & ph )
|
|
{ return status<path>( ph ); }
|
|
inline file_status status( const wpath & ph )
|
|
{ return status<wpath>( ph ); }
|
|
|
|
inline file_status status( const path & ph, system::error_code & ec )
|
|
{ return status<path>( ph, ec ); }
|
|
inline file_status status( const wpath & ph, system::error_code & ec )
|
|
{ return status<wpath>( ph, ec ); }
|
|
|
|
inline file_status symlink_status( const path & ph )
|
|
{ return symlink_status<path>( ph ); }
|
|
inline file_status symlink_status( const wpath & ph )
|
|
{ return symlink_status<wpath>( ph ); }
|
|
|
|
inline file_status symlink_status( const path & ph, system::error_code & ec )
|
|
{ return symlink_status<path>( ph, ec ); }
|
|
inline file_status symlink_status( const wpath & ph, system::error_code & ec )
|
|
{ return symlink_status<wpath>( ph, ec ); }
|
|
|
|
inline bool exists( const path & ph ) { return exists<path>( ph ); }
|
|
inline bool exists( const wpath & ph ) { return exists<wpath>( ph ); }
|
|
|
|
inline bool is_directory( const path & ph )
|
|
{ return is_directory<path>( ph ); }
|
|
inline bool is_directory( const wpath & ph )
|
|
{ return is_directory<wpath>( ph ); }
|
|
|
|
inline bool is_regular_file( const path & ph )
|
|
{ return is_regular_file<path>( ph ); }
|
|
inline bool is_regular_file( const wpath & ph )
|
|
{ return is_regular_file<wpath>( ph ); }
|
|
|
|
# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
|
|
inline bool is_regular( const path & ph )
|
|
{ return is_regular<path>( ph ); }
|
|
inline bool is_regular( const wpath & ph )
|
|
{ return is_regular<wpath>( ph ); }
|
|
# endif
|
|
|
|
inline bool is_other( const path & ph )
|
|
{ return is_other<path>( ph ); }
|
|
inline bool is_other( const wpath & ph )
|
|
{ return is_other<wpath>( ph ); }
|
|
|
|
inline bool is_symlink( const path & ph )
|
|
{ return is_symlink<path>( ph ); }
|
|
inline bool is_symlink( const wpath & ph )
|
|
{ return is_symlink<wpath>( ph ); }
|
|
|
|
inline bool is_empty( const path & ph )
|
|
{ return boost::filesystem2::is_empty<path>( ph ); }
|
|
inline bool is_empty( const wpath & ph )
|
|
{ return boost::filesystem2::is_empty<wpath>( ph ); }
|
|
|
|
inline bool equivalent( const path & ph1, const path & ph2 )
|
|
{ return equivalent<path>( ph1, ph2 ); }
|
|
inline bool equivalent( const wpath & ph1, const wpath & ph2 )
|
|
{ return equivalent<wpath>( ph1, ph2 ); }
|
|
|
|
inline boost::uintmax_t file_size( const path & ph )
|
|
{ return file_size<path>( ph ); }
|
|
inline boost::uintmax_t file_size( const wpath & ph )
|
|
{ return file_size<wpath>( ph ); }
|
|
|
|
inline space_info space( const path & ph )
|
|
{ return space<path>( ph ); }
|
|
inline space_info space( const wpath & ph )
|
|
{ return space<wpath>( ph ); }
|
|
|
|
inline std::time_t last_write_time( const path & ph )
|
|
{ return last_write_time<path>( ph ); }
|
|
inline std::time_t last_write_time( const wpath & ph )
|
|
{ return last_write_time<wpath>( ph ); }
|
|
|
|
inline bool create_directory( const path & dir_ph )
|
|
{ return create_directory<path>( dir_ph ); }
|
|
inline bool create_directory( const wpath & dir_ph )
|
|
{ return create_directory<wpath>( dir_ph ); }
|
|
|
|
#if !defined(BOOST_WINDOWS_API) || defined(BOOST_FS_HARD_LINK)
|
|
inline void create_hard_link( const path & to_ph,
|
|
const path & from_ph )
|
|
{ return create_hard_link<path>( to_ph, from_ph ); }
|
|
inline void create_hard_link( const wpath & to_ph,
|
|
const wpath & from_ph )
|
|
{ return create_hard_link<wpath>( to_ph, from_ph ); }
|
|
|
|
inline system::error_code create_hard_link( const path & to_ph,
|
|
const path & from_ph, system::error_code & ec )
|
|
{ return create_hard_link<path>( to_ph, from_ph, ec ); }
|
|
inline system::error_code create_hard_link( const wpath & to_ph,
|
|
const wpath & from_ph, system::error_code & ec )
|
|
{ return create_hard_link<wpath>( to_ph, from_ph, ec ); }
|
|
#endif
|
|
|
|
inline void create_symlink( const path & to_ph,
|
|
const path & from_ph )
|
|
{ return create_symlink<path>( to_ph, from_ph ); }
|
|
inline void create_symlink( const wpath & to_ph,
|
|
const wpath & from_ph )
|
|
{ return create_symlink<wpath>( to_ph, from_ph ); }
|
|
|
|
inline system::error_code create_symlink( const path & to_ph,
|
|
const path & from_ph, system::error_code & ec )
|
|
{ return create_symlink<path>( to_ph, from_ph, ec ); }
|
|
inline system::error_code create_symlink( const wpath & to_ph,
|
|
const wpath & from_ph, system::error_code & ec )
|
|
{ return create_symlink<wpath>( to_ph, from_ph, ec ); }
|
|
|
|
inline bool remove( const path & ph )
|
|
{ return remove<path>( ph ); }
|
|
inline bool remove( const wpath & ph )
|
|
{ return remove<wpath>( ph ); }
|
|
|
|
inline unsigned long remove_all( const path & ph )
|
|
{ return remove_all<path>( ph ); }
|
|
inline unsigned long remove_all( const wpath & ph )
|
|
{ return remove_all<wpath>( ph ); }
|
|
|
|
inline void rename( const path & from_path, const path & to_path )
|
|
{ return rename<path>( from_path, to_path ); }
|
|
inline void rename( const wpath & from_path, const wpath & to_path )
|
|
{ return rename<wpath>( from_path, to_path ); }
|
|
|
|
inline void copy_file( const path & from_path, const path & to_path )
|
|
{ return copy_file<path>( from_path, to_path ); }
|
|
inline void copy_file( const wpath & from_path, const wpath & to_path )
|
|
{ return copy_file<wpath>( from_path, to_path ); }
|
|
|
|
inline path system_complete( const path & ph )
|
|
{ return system_complete<path>( ph ); }
|
|
inline wpath system_complete( const wpath & ph )
|
|
{ return system_complete<wpath>( ph ); }
|
|
|
|
inline path complete( const path & ph,
|
|
const path & base/* = initial_path<path>()*/ )
|
|
{ return complete<path>( ph, base ); }
|
|
inline wpath complete( const wpath & ph,
|
|
const wpath & base/* = initial_path<wpath>()*/ )
|
|
{ return complete<wpath>( ph, base ); }
|
|
|
|
inline path complete( const path & ph )
|
|
{ return complete<path>( ph, initial_path<path>() ); }
|
|
inline wpath complete( const wpath & ph )
|
|
{ return complete<wpath>( ph, initial_path<wpath>() ); }
|
|
|
|
inline void last_write_time( const path & ph, const std::time_t new_time )
|
|
{ last_write_time<path>( ph, new_time ); }
|
|
inline void last_write_time( const wpath & ph, const std::time_t new_time )
|
|
{ last_write_time<wpath>( ph, new_time ); }
|
|
|
|
inline void current_path( const path & ph )
|
|
{ current_path<path>( ph ); }
|
|
inline void current_path( const wpath & ph )
|
|
{ current_path<wpath>( ph ); }
|
|
|
|
# endif // ifndef BOOST_FILESYSTEM2_NARROW_ONLY
|
|
|
|
namespace detail
|
|
{
|
|
template<class Path>
|
|
bool remove_aux( const Path & ph, file_status f )
|
|
{
|
|
if ( exists( f ) )
|
|
{
|
|
system::error_code ec = remove_api( ph.external_file_string() );
|
|
if ( ec )
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::remove", ph, ec ) );
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
template<class Path>
|
|
unsigned long remove_all_aux( const Path & ph, file_status f )
|
|
{
|
|
static const boost::filesystem2::basic_directory_iterator<Path> end_itr;
|
|
unsigned long count = 1;
|
|
if ( !boost::filesystem2::is_symlink( f ) // don't recurse symbolic links
|
|
&& boost::filesystem2::is_directory( f ) )
|
|
{
|
|
for ( boost::filesystem2::basic_directory_iterator<Path> itr( ph );
|
|
itr != end_itr; ++itr )
|
|
{
|
|
boost::system::error_code ec;
|
|
boost::filesystem2::file_status fn = boost::filesystem2::symlink_status( itr->path(), ec );
|
|
if ( ec )
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem:remove_all", ph, ec ) );
|
|
count += remove_all_aux( itr->path(), fn );
|
|
}
|
|
}
|
|
remove_aux( ph, f );
|
|
return count;
|
|
}
|
|
|
|
// test helper -------------------------------------------------------------//
|
|
|
|
// not part of the documented interface because false positives are possible;
|
|
// there is no law that says that an OS that has large stat.st_size
|
|
// actually supports large file sizes.
|
|
BOOST_FILESYSTEM_DECL bool possible_large_file_size_support();
|
|
|
|
// directory_iterator helpers ----------------------------------------------//
|
|
|
|
// forwarding functions avoid need for BOOST_FILESYSTEM_DECL for class
|
|
// basic_directory_iterator, and so avoid iterator_facade DLL template
|
|
// problems. They also overload to the proper external path character type.
|
|
|
|
BOOST_FILESYSTEM_DECL system::error_code
|
|
dir_itr_first( void *& handle,
|
|
#if defined(BOOST_POSIX_API)
|
|
void *& buffer,
|
|
#endif
|
|
const std::string & dir_path,
|
|
std::string & target, file_status & fs, file_status & symlink_fs );
|
|
// eof: return==0 && handle==0
|
|
|
|
BOOST_FILESYSTEM_DECL system::error_code
|
|
dir_itr_increment( void *& handle,
|
|
#if defined(BOOST_POSIX_API)
|
|
void *& buffer,
|
|
#endif
|
|
std::string & target, file_status & fs, file_status & symlink_fs );
|
|
// eof: return==0 && handle==0
|
|
|
|
BOOST_FILESYSTEM_DECL system::error_code
|
|
dir_itr_close( void *& handle
|
|
#if defined(BOOST_POSIX_API)
|
|
, void *& buffer
|
|
#endif
|
|
);
|
|
// Effects: none if handle==0, otherwise close handle, set handle=0
|
|
|
|
# if defined(BOOST_WINDOWS_API) && !defined(BOOST_FILESYSTEM2_NARROW_ONLY)
|
|
BOOST_FILESYSTEM_DECL system::error_code
|
|
dir_itr_first( void *& handle, const std::wstring & ph,
|
|
std::wstring & target, file_status & fs, file_status & symlink_fs );
|
|
BOOST_FILESYSTEM_DECL system::error_code
|
|
dir_itr_increment( void *& handle, std::wstring & target,
|
|
file_status & fs, file_status & symlink_fs );
|
|
# endif
|
|
|
|
template< class Path >
|
|
class dir_itr_imp
|
|
{
|
|
public:
|
|
basic_directory_entry<Path> m_directory_entry;
|
|
void * m_handle;
|
|
# ifdef BOOST_POSIX_API
|
|
void * m_buffer; // see dir_itr_increment implementation
|
|
# endif
|
|
dir_itr_imp() : m_handle(0)
|
|
# ifdef BOOST_POSIX_API
|
|
, m_buffer(0)
|
|
# endif
|
|
{}
|
|
|
|
~dir_itr_imp() { dir_itr_close( m_handle
|
|
#if defined(BOOST_POSIX_API)
|
|
, m_buffer
|
|
#endif
|
|
); }
|
|
};
|
|
|
|
BOOST_FILESYSTEM_DECL system::error_code not_found_error();
|
|
|
|
} // namespace detail
|
|
|
|
// basic_directory_iterator ------------------------------------------------//
|
|
|
|
template< class Path >
|
|
class basic_directory_iterator
|
|
: public boost::iterator_facade<
|
|
basic_directory_iterator<Path>,
|
|
basic_directory_entry<Path>,
|
|
boost::single_pass_traversal_tag >
|
|
{
|
|
public:
|
|
typedef Path path_type;
|
|
|
|
basic_directory_iterator(){} // creates the "end" iterator
|
|
|
|
explicit basic_directory_iterator( const Path & dir_path );
|
|
basic_directory_iterator( const Path & dir_path, system::error_code & ec );
|
|
|
|
private:
|
|
|
|
// shared_ptr provides shallow-copy semantics required for InputIterators.
|
|
// m_imp.get()==0 indicates the end iterator.
|
|
boost::shared_ptr< detail::dir_itr_imp< Path > > m_imp;
|
|
|
|
friend class boost::iterator_core_access;
|
|
|
|
typename boost::iterator_facade<
|
|
basic_directory_iterator<Path>,
|
|
basic_directory_entry<Path>,
|
|
boost::single_pass_traversal_tag >::reference dereference() const
|
|
{
|
|
BOOST_ASSERT( m_imp.get() && "attempt to dereference end iterator" );
|
|
return m_imp->m_directory_entry;
|
|
}
|
|
|
|
void increment();
|
|
|
|
bool equal( const basic_directory_iterator & rhs ) const
|
|
{ return m_imp == rhs.m_imp; }
|
|
|
|
system::error_code m_init( const Path & dir_path );
|
|
};
|
|
|
|
typedef basic_directory_iterator< path > directory_iterator;
|
|
# ifndef BOOST_FILESYSTEM2_NARROW_ONLY
|
|
typedef basic_directory_iterator< wpath > wdirectory_iterator;
|
|
# endif
|
|
|
|
// basic_directory_iterator implementation ---------------------------//
|
|
|
|
template<class Path>
|
|
system::error_code basic_directory_iterator<Path>::m_init(
|
|
const Path & dir_path )
|
|
{
|
|
if ( dir_path.empty() )
|
|
{
|
|
m_imp.reset();
|
|
return detail::not_found_error();
|
|
}
|
|
typename Path::external_string_type name;
|
|
file_status fs, symlink_fs;
|
|
system::error_code ec( detail::dir_itr_first( m_imp->m_handle,
|
|
#if defined(BOOST_POSIX_API)
|
|
m_imp->m_buffer,
|
|
#endif
|
|
dir_path.external_directory_string(),
|
|
name, fs, symlink_fs ) );
|
|
|
|
if ( ec )
|
|
{
|
|
m_imp.reset();
|
|
return ec;
|
|
}
|
|
|
|
if ( m_imp->m_handle == 0 ) m_imp.reset(); // eof, so make end iterator
|
|
else // not eof
|
|
{
|
|
m_imp->m_directory_entry.assign( dir_path
|
|
/ Path::traits_type::to_internal( name ), fs, symlink_fs );
|
|
if ( name[0] == dot<Path>::value // dot or dot-dot
|
|
&& (name.size() == 1
|
|
|| (name[1] == dot<Path>::value
|
|
&& name.size() == 2)) )
|
|
{ increment(); }
|
|
}
|
|
return boost::system::error_code();
|
|
}
|
|
|
|
template<class Path>
|
|
basic_directory_iterator<Path>::basic_directory_iterator(
|
|
const Path & dir_path )
|
|
: m_imp( new detail::dir_itr_imp<Path> )
|
|
{
|
|
system::error_code ec( m_init(dir_path) );
|
|
if ( ec )
|
|
{
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::basic_directory_iterator constructor",
|
|
dir_path, ec ) );
|
|
}
|
|
}
|
|
|
|
template<class Path>
|
|
basic_directory_iterator<Path>::basic_directory_iterator(
|
|
const Path & dir_path, system::error_code & ec )
|
|
: m_imp( new detail::dir_itr_imp<Path> )
|
|
{
|
|
ec = m_init(dir_path);
|
|
}
|
|
|
|
template<class Path>
|
|
void basic_directory_iterator<Path>::increment()
|
|
{
|
|
BOOST_ASSERT( m_imp.get() && "attempt to increment end iterator" );
|
|
BOOST_ASSERT( m_imp->m_handle != 0 && "internal program error" );
|
|
|
|
typename Path::external_string_type name;
|
|
file_status fs, symlink_fs;
|
|
system::error_code ec;
|
|
|
|
for (;;)
|
|
{
|
|
ec = detail::dir_itr_increment( m_imp->m_handle,
|
|
#if defined(BOOST_POSIX_API)
|
|
m_imp->m_buffer,
|
|
#endif
|
|
name, fs, symlink_fs );
|
|
if ( ec )
|
|
{
|
|
BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
|
|
"boost::filesystem::basic_directory_iterator increment",
|
|
m_imp->m_directory_entry.path().parent_path(), ec ) );
|
|
}
|
|
if ( m_imp->m_handle == 0 ) { m_imp.reset(); return; } // eof, make end
|
|
if ( !(name[0] == dot<Path>::value // !(dot or dot-dot)
|
|
&& (name.size() == 1
|
|
|| (name[1] == dot<Path>::value
|
|
&& name.size() == 2))) )
|
|
{
|
|
m_imp->m_directory_entry.replace_filename(
|
|
Path::traits_type::to_internal( name ), fs, symlink_fs );
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// basic_directory_entry -----------------------------------------------//
|
|
|
|
template<class Path>
|
|
class basic_directory_entry
|
|
{
|
|
public:
|
|
typedef Path path_type;
|
|
typedef typename Path::string_type string_type;
|
|
|
|
// compiler generated copy-ctor, copy assignment, and destructor apply
|
|
|
|
basic_directory_entry() {}
|
|
explicit basic_directory_entry( const path_type & p,
|
|
file_status st = file_status(), file_status symlink_st=file_status() )
|
|
: m_path(p), m_status(st), m_symlink_status(symlink_st)
|
|
{}
|
|
|
|
void assign( const path_type & p,
|
|
file_status st, file_status symlink_st )
|
|
{ m_path = p; m_status = st; m_symlink_status = symlink_st; }
|
|
|
|
void replace_filename( const string_type & s,
|
|
file_status st, file_status symlink_st )
|
|
{
|
|
m_path.remove_filename();
|
|
m_path /= s;
|
|
m_status = st;
|
|
m_symlink_status = symlink_st;
|
|
}
|
|
|
|
# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
|
|
void replace_leaf( const string_type & s,
|
|
file_status st, file_status symlink_st )
|
|
{ replace_filename( s, st, symlink_st ); }
|
|
# endif
|
|
|
|
const Path & path() const { return m_path; }
|
|
file_status status() const;
|
|
file_status status( system::error_code & ec ) const;
|
|
file_status symlink_status() const;
|
|
file_status symlink_status( system::error_code & ec ) const;
|
|
|
|
// conversion simplifies the most common use of basic_directory_entry
|
|
operator const path_type &() const { return m_path; }
|
|
|
|
# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
|
|
// deprecated functions preserve common use cases in legacy code
|
|
typename Path::string_type filename() const
|
|
{
|
|
return path().filename();
|
|
}
|
|
typename Path::string_type leaf() const
|
|
{
|
|
return path().filename();
|
|
}
|
|
typename Path::string_type string() const
|
|
{
|
|
return path().string();
|
|
}
|
|
# endif
|
|
|
|
private:
|
|
path_type m_path;
|
|
mutable file_status m_status; // stat()-like
|
|
mutable file_status m_symlink_status; // lstat()-like
|
|
// note: m_symlink_status is not used by Windows implementation
|
|
|
|
}; // basic_directory_status
|
|
|
|
typedef basic_directory_entry<path> directory_entry;
|
|
# ifndef BOOST_FILESYSTEM2_NARROW_ONLY
|
|
typedef basic_directory_entry<wpath> wdirectory_entry;
|
|
# endif
|
|
|
|
// basic_directory_entry implementation --------------------------------//
|
|
|
|
template<class Path>
|
|
file_status
|
|
basic_directory_entry<Path>::status() const
|
|
{
|
|
if ( !status_known( m_status ) )
|
|
{
|
|
# ifndef BOOST_WINDOWS_API
|
|
if ( status_known( m_symlink_status )
|
|
&& !is_symlink( m_symlink_status ) )
|
|
{ m_status = m_symlink_status; }
|
|
else { m_status = boost::filesystem2::status( m_path ); }
|
|
# else
|
|
m_status = boost::filesystem2::status( m_path );
|
|
# endif
|
|
}
|
|
return m_status;
|
|
}
|
|
|
|
template<class Path>
|
|
file_status
|
|
basic_directory_entry<Path>::status( system::error_code & ec ) const
|
|
{
|
|
if ( !status_known( m_status ) )
|
|
{
|
|
# ifndef BOOST_WINDOWS_API
|
|
if ( status_known( m_symlink_status )
|
|
&& !is_symlink( m_symlink_status ) )
|
|
{ ec = boost::system::error_code();; m_status = m_symlink_status; }
|
|
else { m_status = boost::filesystem2::status( m_path, ec ); }
|
|
# else
|
|
m_status = boost::filesystem2::status( m_path, ec );
|
|
# endif
|
|
}
|
|
else ec = boost::system::error_code();;
|
|
return m_status;
|
|
}
|
|
|
|
template<class Path>
|
|
file_status
|
|
basic_directory_entry<Path>::symlink_status() const
|
|
{
|
|
# ifndef BOOST_WINDOWS_API
|
|
if ( !status_known( m_symlink_status ) )
|
|
{ m_symlink_status = boost::filesystem2::symlink_status( m_path ); }
|
|
return m_symlink_status;
|
|
# else
|
|
return status();
|
|
# endif
|
|
}
|
|
|
|
template<class Path>
|
|
file_status
|
|
basic_directory_entry<Path>::symlink_status( system::error_code & ec ) const
|
|
{
|
|
# ifndef BOOST_WINDOWS_API
|
|
if ( !status_known( m_symlink_status ) )
|
|
{ m_symlink_status = boost::filesystem2::symlink_status( m_path, ec ); }
|
|
else ec = boost::system::error_code();;
|
|
return m_symlink_status;
|
|
# else
|
|
return status( ec );
|
|
# endif
|
|
}
|
|
} // namespace filesystem2
|
|
} // namespace boost
|
|
|
|
#undef BOOST_FS_FUNC
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
namespace boost
|
|
{
|
|
namespace filesystem
|
|
{
|
|
using filesystem2::basic_directory_entry;
|
|
using filesystem2::basic_directory_iterator;
|
|
using filesystem2::block_file;
|
|
using filesystem2::character_file;
|
|
using filesystem2::complete;
|
|
using filesystem2::copy_file;
|
|
using filesystem2::copy_option;
|
|
using filesystem2::create_directory;
|
|
# if !defined(BOOST_WINDOWS_API) || defined(BOOST_FS_HARD_LINK)
|
|
using filesystem2::create_hard_link;
|
|
# endif
|
|
using filesystem2::create_symlink;
|
|
using filesystem2::current_path;
|
|
using filesystem2::directory_entry;
|
|
using filesystem2::directory_file;
|
|
using filesystem2::directory_iterator;
|
|
using filesystem2::equivalent;
|
|
using filesystem2::exists;
|
|
using filesystem2::fifo_file;
|
|
using filesystem2::file_not_found;
|
|
using filesystem2::file_size;
|
|
using filesystem2::file_status;
|
|
using filesystem2::file_type;
|
|
using filesystem2::initial_path;
|
|
using filesystem2::is_directory;
|
|
using filesystem2::is_directory;
|
|
using filesystem2::is_empty;
|
|
using filesystem2::is_other;
|
|
using filesystem2::is_regular_file;
|
|
using filesystem2::is_symlink;
|
|
using filesystem2::last_write_time;
|
|
using filesystem2::regular_file;
|
|
using filesystem2::remove;
|
|
using filesystem2::remove_all;
|
|
using filesystem2::rename;
|
|
using filesystem2::socket_file;
|
|
using filesystem2::space;
|
|
using filesystem2::space_info;
|
|
using filesystem2::status;
|
|
using filesystem2::status_known;
|
|
using filesystem2::symlink_file;
|
|
using filesystem2::symlink_status;
|
|
using filesystem2::system_complete;
|
|
using filesystem2::type_unknown;
|
|
# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
|
|
using filesystem2::is_regular;
|
|
using filesystem2::symbolic_link_exists;
|
|
# endif
|
|
# ifndef BOOST_FILESYSTEM2_NARROW_ONLY
|
|
using filesystem2::wdirectory_iterator;
|
|
using filesystem2::wdirectory_entry;
|
|
# endif
|
|
namespace detail
|
|
{
|
|
using filesystem2::detail::not_found_error;
|
|
using filesystem2::detail::possible_large_file_size_support;
|
|
}
|
|
}
|
|
}
|
|
|
|
#include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
|
|
#endif // BOOST_FILESYSTEM2_OPERATIONS_HPP
|