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-// boost/filesystem/operations.hpp -----------------------------------------//
-
-// Copyright 2002-2005 Beman Dawes
-// Copyright 2002 Jan Langer
-// Copyright 2001 Dietmar Kuehl
-//
-// 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)
-
-// See library home page at http://www.boost.org/libs/filesystem
-
-//----------------------------------------------------------------------------//
-
-#ifndef BOOST_FILESYSTEM2_OPERATIONS_HPP
-#define BOOST_FILESYSTEM2_OPERATIONS_HPP
-
-#include <boost/filesystem/v2/config.hpp>
-#include <boost/filesystem/v2/path.hpp>
-#include <boost/detail/scoped_enum_emulation.hpp>
-
-#include <boost/shared_ptr.hpp>
-#include <boost/utility/enable_if.hpp>
-#include <boost/type_traits/is_same.hpp>
-#include <boost/iterator.hpp>
-#include <boost/cstdint.hpp>
-#include <boost/assert.hpp>
-
-#include <string>
-#include <utility> // for pair
-#include <ctime>
-
-#ifdef BOOST_WINDOWS_API
-# include <fstream>
-# if !defined(_WIN32_WINNT) || _WIN32_WINNT >= 0x0500
-# define BOOST_FS_HARD_LINK // Default for Windows 2K or later
-# endif
-#endif
-
-#include <boost/config/abi_prefix.hpp> // must be the last #include
-
-# ifdef BOOST_NO_STDC_NAMESPACE
- namespace std { using ::time_t; }
-# endif
-
-//----------------------------------------------------------------------------//
-
-namespace boost
-{
- namespace filesystem2
- {
-
-// typedef boost::filesystem::path Path; needs to be in namespace boost::filesystem
-# ifndef BOOST_FILESYSTEM2_NARROW_ONLY
-# define BOOST_FS_FUNC(BOOST_FS_TYPE) \
- template<class Path> typename boost::enable_if<is_basic_path<Path>, \
- BOOST_FS_TYPE>::type
-# define BOOST_INLINE_FS_FUNC(BOOST_FS_TYPE) \
- template<class Path> inline typename boost::enable_if<is_basic_path<Path>, \
- BOOST_FS_TYPE>::type
-# define BOOST_FS_TYPENAME typename
-# else
-# define BOOST_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE
-# define BOOST_INLINE_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE
- typedef boost::filesystem2::path Path;
-# define BOOST_FS_TYPENAME
-# endif
-
- template<class Path> class basic_directory_iterator;
-
- // BOOST_FILESYSTEM2_NARROW_ONLY needs this:
- typedef basic_directory_iterator<path> directory_iterator;
-
- template<class Path> class basic_directory_entry;
-
- enum file_type
- {
- status_unknown,
- file_not_found,
- regular_file,
- directory_file,
- // the following will never be reported by some operating or file systems
- symlink_file,
- block_file,
- character_file,
- fifo_file,
- socket_file,
- type_unknown // file does exist, but isn't one of the above types or
- // we don't have strong enough permission to find its type
- };
-
- class file_status
- {
- public:
- explicit file_status( file_type v = status_unknown ) : m_value(v) {}
-
- void type( file_type v ) { m_value = v; }
- file_type type() const { return m_value; }
-
- private:
- // the internal representation is unspecified so that additional state
- // information such as permissions can be added in the future; this
- // implementation just uses status_type as the internal representation
-
- file_type m_value;
- };
-
- inline bool status_known( file_status f ) { return f.type() != status_unknown; }
- inline bool exists( file_status f ) { return f.type() != status_unknown && f.type() != file_not_found; }
- inline bool is_regular_file(file_status f){ return f.type() == regular_file; }
- inline bool is_directory( file_status f ) { return f.type() == directory_file; }
- inline bool is_symlink( file_status f ) { return f.type() == symlink_file; }
- inline bool is_other( file_status f ) { return exists(f) && !is_regular_file(f) && !is_directory(f) && !is_symlink(f); }
-
-# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
- inline bool is_regular( file_status f ) { return f.type() == regular_file; }
-# endif
-
- struct space_info
- {
- // all values are byte counts
- boost::uintmax_t capacity;
- boost::uintmax_t free; // <= capacity
- boost::uintmax_t available; // <= free
- };
-
- namespace detail
- {
- typedef std::pair< system::error_code, bool >
- query_pair;
-
- typedef std::pair< system::error_code, boost::uintmax_t >
- uintmax_pair;
-
- typedef std::pair< system::error_code, std::time_t >
- time_pair;
-
- typedef std::pair< system::error_code, space_info >
- space_pair;
-
- template< class Path >
- struct directory_pair
- {
- typedef std::pair< system::error_code,
- typename Path::external_string_type > type;
- };
-
-# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
- BOOST_FILESYSTEM_DECL bool
- symbolic_link_exists_api( const std::string & ); // deprecated
-# endif
-
- BOOST_FILESYSTEM_DECL file_status
- status_api( const std::string & ph, system::error_code & ec );
-# ifndef BOOST_WINDOWS_API
- BOOST_FILESYSTEM_DECL file_status
- symlink_status_api( const std::string & ph, system::error_code & ec );
-# endif
- BOOST_FILESYSTEM_DECL query_pair
- is_empty_api( const std::string & ph );
- BOOST_FILESYSTEM_DECL query_pair
- equivalent_api( const std::string & ph1, const std::string & ph2 );
- BOOST_FILESYSTEM_DECL uintmax_pair
- file_size_api( const std::string & ph );
- BOOST_FILESYSTEM_DECL space_pair
- space_api( const std::string & ph );
- BOOST_FILESYSTEM_DECL time_pair
- last_write_time_api( const std::string & ph );
- BOOST_FILESYSTEM_DECL system::error_code
- last_write_time_api( const std::string & ph, std::time_t new_value );
- BOOST_FILESYSTEM_DECL system::error_code
- get_current_path_api( std::string & ph );
- BOOST_FILESYSTEM_DECL system::error_code
- set_current_path_api( const std::string & ph );
- BOOST_FILESYSTEM_DECL query_pair
- create_directory_api( const std::string & ph );
- BOOST_FILESYSTEM_DECL system::error_code
- create_hard_link_api( const std::string & to_ph,
- const std::string & from_ph );
- BOOST_FILESYSTEM_DECL system::error_code
- create_symlink_api( const std::string & to_ph,
- const std::string & from_ph );
- BOOST_FILESYSTEM_DECL system::error_code
- remove_api( const std::string & ph );
- BOOST_FILESYSTEM_DECL system::error_code
- rename_api( const std::string & from, const std::string & to );
- BOOST_FILESYSTEM_DECL system::error_code
- copy_file_api( const std::string & from, const std::string & to, bool fail_if_exists );
-
-# if defined(BOOST_WINDOWS_API)
-
- BOOST_FILESYSTEM_DECL system::error_code
- get_full_path_name_api( const std::string & ph, std::string & target );
-
-# if !defined(BOOST_FILESYSTEM2_NARROW_ONLY)
-
- BOOST_FILESYSTEM_DECL boost::filesystem2::file_status
- status_api( const std::wstring & ph, system::error_code & ec );
- BOOST_FILESYSTEM_DECL query_pair
- is_empty_api( const std::wstring & ph );
- BOOST_FILESYSTEM_DECL query_pair
- equivalent_api( const std::wstring & ph1, const std::wstring & ph2 );
- BOOST_FILESYSTEM_DECL uintmax_pair
- file_size_api( const std::wstring & ph );
- BOOST_FILESYSTEM_DECL space_pair
- space_api( const std::wstring & ph );
- BOOST_FILESYSTEM_DECL system::error_code
- get_full_path_name_api( const std::wstring & ph, std::wstring & target );
- BOOST_FILESYSTEM_DECL time_pair
- last_write_time_api( const std::wstring & ph );
- BOOST_FILESYSTEM_DECL system::error_code
- last_write_time_api( const std::wstring & ph, std::time_t new_value );
- BOOST_FILESYSTEM_DECL system::error_code
- get_current_path_api( std::wstring & ph );
- BOOST_FILESYSTEM_DECL system::error_code
- set_current_path_api( const std::wstring & ph );
- BOOST_FILESYSTEM_DECL query_pair
- create_directory_api( const std::wstring & ph );
-# ifdef BOOST_FS_HARD_LINK
- BOOST_FILESYSTEM_DECL system::error_code
- create_hard_link_api( const std::wstring & existing_ph,
- const std::wstring & new_ph );
-# endif
- BOOST_FILESYSTEM_DECL system::error_code
- create_symlink_api( const std::wstring & to_ph,
- const std::wstring & from_ph );
- BOOST_FILESYSTEM_DECL system::error_code
- remove_api( const std::wstring & ph );
- BOOST_FILESYSTEM_DECL system::error_code
- rename_api( const std::wstring & from, const std::wstring & to );
- BOOST_FILESYSTEM_DECL system::error_code
- copy_file_api( const std::wstring & from, const std::wstring & to, bool fail_if_exists );
-
-# endif
-# endif
-
- template<class Path>
- bool remove_aux( const Path & ph, file_status f );
-
- template<class Path>
- unsigned long remove_all_aux( const Path & ph, file_status f );
-
- } // namespace detail
-
-// operations functions ----------------------------------------------------//
-
- // The non-template overloads enable automatic conversion from std and
- // C-style strings. See basic_path constructors. The enable_if for the
- // templates implements the famous "do-the-right-thing" rule.
-
-// query functions ---------------------------------------------------------//
-
- BOOST_INLINE_FS_FUNC(file_status)
- status( const Path & ph, system::error_code & ec )
- { return detail::status_api( ph.external_file_string(), ec ); }
-
- BOOST_FS_FUNC(file_status)
- status( const Path & ph )
- {
- system::error_code ec;
- file_status result( detail::status_api( ph.external_file_string(), ec ) );
- if ( ec )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::status", ph, ec ) );
- return result;
- }
-
- BOOST_INLINE_FS_FUNC(file_status)
- symlink_status( const Path & ph, system::error_code & ec )
-# ifdef BOOST_WINDOWS_API
- { return detail::status_api( ph.external_file_string(), ec ); }
-# else
- { return detail::symlink_status_api( ph.external_file_string(), ec ); }
-# endif
-
- BOOST_FS_FUNC(file_status)
- symlink_status( const Path & ph )
- {
- system::error_code ec;
- file_status result( symlink_status( ph, ec ) );
- if ( ec )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::symlink_status", ph, ec ) );
- return result;
- }
-
-# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
- inline bool symbolic_link_exists( const path & ph )
- { return is_symlink( symlink_status(ph) ); }
-# endif
-
- BOOST_FS_FUNC(bool) exists( const Path & ph )
- {
- system::error_code ec;
- file_status result( detail::status_api( ph.external_file_string(), ec ) );
- if ( ec )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::exists", ph, ec ) );
- return exists( result );
- }
-
- BOOST_FS_FUNC(bool) is_directory( const Path & ph )
- {
- system::error_code ec;
- file_status result( detail::status_api( ph.external_file_string(), ec ) );
- if ( ec )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::is_directory", ph, ec ) );
- return is_directory( result );
- }
-
- BOOST_FS_FUNC(bool) is_regular_file( const Path & ph )
- {
- system::error_code ec;
- file_status result( detail::status_api( ph.external_file_string(), ec ) );
- if ( ec )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::is_regular_file", ph, ec ) );
- return is_regular_file( result );
- }
-
-# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
- BOOST_FS_FUNC(bool) is_regular( const Path & ph )
- {
- system::error_code ec;
- file_status result( detail::status_api( ph.external_file_string(), ec ) );
- if ( ec )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::is_regular", ph, ec ) );
- return is_regular( result );
- }
-# endif
-
- BOOST_FS_FUNC(bool) is_other( const Path & ph )
- {
- system::error_code ec;
- file_status result( detail::status_api( ph.external_file_string(), ec ) );
- if ( ec )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::is_other", ph, ec ) );
- return is_other( result );
- }
-
- BOOST_FS_FUNC(bool) is_symlink(
-# ifdef BOOST_WINDOWS_API
- const Path & )
- {
- return false;
-# else
- const Path & ph)
- {
- system::error_code ec;
- file_status result( detail::symlink_status_api( ph.external_file_string(), ec ) );
- if ( ec )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::is_symlink", ph, ec ) );
- return is_symlink( result );
-# endif
- }
-
- // VC++ 7.0 and earlier has a serious namespace bug that causes a clash
- // between boost::filesystem2::is_empty and the unrelated type trait
- // boost::is_empty.
-
-# if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300
- BOOST_FS_FUNC(bool) is_empty( const Path & ph )
-# else
- BOOST_FS_FUNC(bool) _is_empty( const Path & ph )
-# endif
- {
- detail::query_pair result(
- detail::is_empty_api( ph.external_file_string() ) );
- if ( result.first )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::is_empty", ph, result.first ) );
- return result.second;
- }
-
- BOOST_FS_FUNC(bool) equivalent( const Path & ph1, const Path & ph2 )
- {
- detail::query_pair result( detail::equivalent_api(
- ph1.external_file_string(), ph2.external_file_string() ) );
- if ( result.first )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::equivalent", ph1, ph2, result.first ) );
- return result.second;
- }
-
- BOOST_FS_FUNC(boost::uintmax_t) file_size( const Path & ph )
- {
- detail::uintmax_pair result
- ( detail::file_size_api( ph.external_file_string() ) );
- if ( result.first )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::file_size", ph, result.first ) );
- return result.second;
- }
-
- BOOST_FS_FUNC(space_info) space( const Path & ph )
- {
- detail::space_pair result
- ( detail::space_api( ph.external_file_string() ) );
- if ( result.first )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::space", ph, result.first ) );
- return result.second;
- }
-
- BOOST_FS_FUNC(std::time_t) last_write_time( const Path & ph )
- {
- detail::time_pair result
- ( detail::last_write_time_api( ph.external_file_string() ) );
- if ( result.first )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::last_write_time", ph, result.first ) );
- return result.second;
- }
-
-
-// operations --------------------------------------------------------------//
-
- BOOST_FS_FUNC(bool) create_directory( const Path & dir_ph )
- {
- detail::query_pair result(
- detail::create_directory_api( dir_ph.external_directory_string() ) );
- if ( result.first )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::create_directory",
- dir_ph, result.first ) );
- return result.second;
- }
-
-#if !defined(BOOST_WINDOWS_API) || defined(BOOST_FS_HARD_LINK)
- BOOST_FS_FUNC(void)
- create_hard_link( const Path & to_ph, const Path & from_ph )
- {
- system::error_code ec(
- detail::create_hard_link_api(
- to_ph.external_file_string(),
- from_ph.external_file_string() ) );
- if ( ec )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::create_hard_link",
- to_ph, from_ph, ec ) );
- }
-
- BOOST_FS_FUNC(system::error_code)
- create_hard_link( const Path & to_ph, const Path & from_ph,
- system::error_code & ec )
- {
- ec = detail::create_hard_link_api(
- to_ph.external_file_string(),
- from_ph.external_file_string() );
- return ec;
- }
-#endif
-
- BOOST_FS_FUNC(void)
- create_symlink( const Path & to_ph, const Path & from_ph )
- {
- system::error_code ec(
- detail::create_symlink_api(
- to_ph.external_file_string(),
- from_ph.external_file_string() ) );
- if ( ec )
- BOOST_FILESYSTEM_THROW( basic_filesystem_error<Path>(
- "boost::filesystem::create_symlink",
- to_ph, from_ph, ec ) );
- }
-
- BOOST_FS_FUNC(system::error_code)
- create_symlink( const Path & to_ph, const Path & from_ph,
- system::error_code & ec )
- {
- ec = detail::create_symlink_api(
- to_ph.external_file_string(),
- from_ph.external_file_string() );
- return ec;
- }
-
- BOOST_FS_FUNC(bool) remove( 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", 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