mirror of http://192.168.1.51:8099/lmh188/twain3.0
464 lines
18 KiB
C++
464 lines
18 KiB
C++
// boost/filesystem/operations.hpp ---------------------------------------------------//
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// Copyright Beman Dawes 2002-2009
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// Copyright Jan Langer 2002
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// Copyright Dietmar Kuehl 2001
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// Copyright Vladimir Prus 2002
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// Distributed under the Boost Software License, Version 1.0.
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// See http://www.boost.org/LICENSE_1_0.txt
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// Library home page: http://www.boost.org/libs/filesystem
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//--------------------------------------------------------------------------------------//
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#ifndef BOOST_FILESYSTEM3_OPERATIONS_HPP
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#define BOOST_FILESYSTEM3_OPERATIONS_HPP
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#include <boost/config.hpp>
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# if defined( BOOST_NO_STD_WSTRING )
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# error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
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# endif
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#include <boost/filesystem/config.hpp>
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#include <boost/filesystem/path.hpp>
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#include <boost/filesystem/file_status.hpp>
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#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
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// These includes are left for backward compatibility and should be included directly by users, as needed
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#include <boost/filesystem/exception.hpp>
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#include <boost/filesystem/directory.hpp>
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#endif
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#include <boost/core/scoped_enum.hpp>
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#include <boost/system/error_code.hpp>
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#include <boost/cstdint.hpp>
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#include <string>
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#include <ctime>
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#include <boost/config/abi_prefix.hpp> // must be the last #include
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//--------------------------------------------------------------------------------------//
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namespace boost {
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namespace filesystem {
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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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BOOST_SCOPED_ENUM_DECLARE_BEGIN(copy_option)
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{none=0, fail_if_exists = none, overwrite_if_exists}
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BOOST_SCOPED_ENUM_DECLARE_END(copy_option)
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//--------------------------------------------------------------------------------------//
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// implementation details //
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//--------------------------------------------------------------------------------------//
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namespace detail {
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// We cannot pass a BOOST_SCOPED_ENUM to a compled function because it will result
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// in an undefined reference if the library is compled with -std=c++0x but the use
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// is compiled in C++03 mode, or vice versa. See tickets 6124, 6779, 10038.
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enum copy_option {none=0, fail_if_exists = none, overwrite_if_exists};
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BOOST_FILESYSTEM_DECL
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file_status status(const path&p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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file_status symlink_status(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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bool is_empty(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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path initial_path(system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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path canonical(const path& p, const path& base, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void copy(const path& from, const path& to, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void copy_directory(const path& from, const path& to, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void copy_file(const path& from, const path& to, // See ticket #2925
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detail::copy_option option, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void copy_symlink(const path& existing_symlink, const path& new_symlink, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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bool create_directories(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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bool create_directory(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void create_directory_symlink(const path& to, const path& from,
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system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void create_hard_link(const path& to, const path& from, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void create_symlink(const path& to, const path& from, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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path current_path(system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void current_path(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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bool equivalent(const path& p1, const path& p2, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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boost::uintmax_t file_size(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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boost::uintmax_t hard_link_count(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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std::time_t last_write_time(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void last_write_time(const path& p, const std::time_t new_time,
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system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void permissions(const path& p, perms prms, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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path read_symlink(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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path relative(const path& p, const path& base, system::error_code* ec = 0);
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BOOST_FILESYSTEM_DECL
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bool remove(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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boost::uintmax_t remove_all(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void rename(const path& old_p, const path& new_p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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void resize_file(const path& p, uintmax_t size, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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space_info space(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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path system_complete(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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path temp_directory_path(system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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path unique_path(const path& p, system::error_code* ec=0);
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BOOST_FILESYSTEM_DECL
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path weakly_canonical(const path& p, system::error_code* ec = 0);
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} // namespace detail
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//--------------------------------------------------------------------------------------//
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// //
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// status query functions //
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// //
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//--------------------------------------------------------------------------------------//
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inline
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file_status status(const path& p) {return detail::status(p);}
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inline
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file_status status(const path& p, system::error_code& ec)
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{return detail::status(p, &ec);}
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inline
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file_status symlink_status(const path& p) {return detail::symlink_status(p);}
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inline
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file_status symlink_status(const path& p, system::error_code& ec)
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{return detail::symlink_status(p, &ec);}
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inline
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bool exists(const path& p) {return exists(detail::status(p));}
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inline
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bool exists(const path& p, system::error_code& ec)
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{return exists(detail::status(p, &ec));}
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inline
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bool is_directory(const path& p) {return is_directory(detail::status(p));}
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inline
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bool is_directory(const path& p, system::error_code& ec)
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{return is_directory(detail::status(p, &ec));}
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inline
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bool is_regular_file(const path& p) {return is_regular_file(detail::status(p));}
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inline
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bool is_regular_file(const path& p, system::error_code& ec)
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{return is_regular_file(detail::status(p, &ec));}
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inline
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bool is_other(const path& p) {return is_other(detail::status(p));}
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inline
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bool is_other(const path& p, system::error_code& ec)
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{return is_other(detail::status(p, &ec));}
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inline
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bool is_symlink(const path& p) {return is_symlink(detail::symlink_status(p));}
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inline
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bool is_symlink(const path& p, system::error_code& ec)
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{return is_symlink(detail::symlink_status(p, &ec));}
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#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
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inline
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bool is_regular(const path& p) {return is_regular(detail::status(p));}
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inline
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bool is_regular(const path& p, system::error_code& ec)
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{return is_regular(detail::status(p, &ec));}
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#endif
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inline
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bool is_empty(const path& p) {return detail::is_empty(p);}
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inline
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bool is_empty(const path& p, system::error_code& ec)
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{return detail::is_empty(p, &ec);}
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//--------------------------------------------------------------------------------------//
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// //
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// operational functions //
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// in alphabetical order, unless otherwise noted //
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// //
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//--------------------------------------------------------------------------------------//
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// forward declarations
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path current_path(); // fwd declaration
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path initial_path();
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BOOST_FILESYSTEM_DECL
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path absolute(const path& p, const path& base=current_path());
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// If base.is_absolute(), throws nothing. Thus no need for ec argument
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inline
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path canonical(const path& p, const path& base=current_path())
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{return detail::canonical(p, base);}
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inline
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path canonical(const path& p, system::error_code& ec)
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{return detail::canonical(p, current_path(), &ec);}
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inline
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path canonical(const path& p, const path& base, system::error_code& ec)
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{return detail::canonical(p, base, &ec);}
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#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
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inline
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path complete(const path& p)
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{
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return absolute(p, initial_path());
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}
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inline
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path complete(const path& p, const path& base)
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{
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return absolute(p, base);
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}
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#endif
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inline
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void copy(const path& from, const path& to) {detail::copy(from, to);}
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inline
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void copy(const path& from, const path& to, system::error_code& ec) BOOST_NOEXCEPT
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{detail::copy(from, to, &ec);}
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inline
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void copy_directory(const path& from, const path& to)
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{detail::copy_directory(from, to);}
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inline
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void copy_directory(const path& from, const path& to, system::error_code& ec) BOOST_NOEXCEPT
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{detail::copy_directory(from, to, &ec);}
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inline
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void copy_file(const path& from, const path& to, // See ticket #2925
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BOOST_SCOPED_ENUM_NATIVE(copy_option) option)
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{
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detail::copy_file(from, to, static_cast<detail::copy_option>(option));
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}
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inline
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void copy_file(const path& from, const path& to)
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{
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detail::copy_file(from, to, detail::fail_if_exists);
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}
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inline
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void copy_file(const path& from, const path& to, // See ticket #2925
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BOOST_SCOPED_ENUM_NATIVE(copy_option) option, system::error_code& ec) BOOST_NOEXCEPT
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{
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detail::copy_file(from, to, static_cast<detail::copy_option>(option), &ec);
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}
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inline
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void copy_file(const path& from, const path& to, system::error_code& ec) BOOST_NOEXCEPT
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{
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detail::copy_file(from, to, detail::fail_if_exists, &ec);
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}
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inline
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void copy_symlink(const path& existing_symlink,
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const path& new_symlink) {detail::copy_symlink(existing_symlink, new_symlink);}
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inline
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void copy_symlink(const path& existing_symlink, const path& new_symlink,
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system::error_code& ec) BOOST_NOEXCEPT
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{detail::copy_symlink(existing_symlink, new_symlink, &ec);}
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inline
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bool create_directories(const path& p) {return detail::create_directories(p);}
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inline
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bool create_directories(const path& p, system::error_code& ec) BOOST_NOEXCEPT
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{return detail::create_directories(p, &ec);}
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inline
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bool create_directory(const path& p) {return detail::create_directory(p);}
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inline
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bool create_directory(const path& p, system::error_code& ec) BOOST_NOEXCEPT
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{return detail::create_directory(p, &ec);}
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inline
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void create_directory_symlink(const path& to, const path& from)
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{detail::create_directory_symlink(to, from);}
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inline
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void create_directory_symlink(const path& to, const path& from, system::error_code& ec) BOOST_NOEXCEPT
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{detail::create_directory_symlink(to, from, &ec);}
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inline
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void create_hard_link(const path& to, const path& new_hard_link) {detail::create_hard_link(to, new_hard_link);}
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inline
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void create_hard_link(const path& to, const path& new_hard_link, system::error_code& ec) BOOST_NOEXCEPT
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{detail::create_hard_link(to, new_hard_link, &ec);}
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inline
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void create_symlink(const path& to, const path& new_symlink) {detail::create_symlink(to, new_symlink);}
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inline
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void create_symlink(const path& to, const path& new_symlink, system::error_code& ec) BOOST_NOEXCEPT
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{detail::create_symlink(to, new_symlink, &ec);}
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inline
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path current_path() {return detail::current_path();}
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inline
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path current_path(system::error_code& ec) {return detail::current_path(&ec);}
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inline
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void current_path(const path& p) {detail::current_path(p);}
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inline
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void current_path(const path& p, system::error_code& ec) BOOST_NOEXCEPT {detail::current_path(p, &ec);}
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inline
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bool equivalent(const path& p1, const path& p2) {return detail::equivalent(p1, p2);}
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inline
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bool equivalent(const path& p1, const path& p2, system::error_code& ec) BOOST_NOEXCEPT
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{return detail::equivalent(p1, p2, &ec);}
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inline
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boost::uintmax_t file_size(const path& p) {return detail::file_size(p);}
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inline
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boost::uintmax_t file_size(const path& p, system::error_code& ec) BOOST_NOEXCEPT
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{return detail::file_size(p, &ec);}
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inline
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boost::uintmax_t hard_link_count(const path& p) {return detail::hard_link_count(p);}
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inline
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boost::uintmax_t hard_link_count(const path& p, system::error_code& ec) BOOST_NOEXCEPT
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{return detail::hard_link_count(p, &ec);}
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inline
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path initial_path() {return detail::initial_path();}
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inline
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path initial_path(system::error_code& ec) {return detail::initial_path(&ec);}
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template <class Path>
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path initial_path() {return initial_path();}
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template <class Path>
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path initial_path(system::error_code& ec) {return detail::initial_path(&ec);}
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inline
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std::time_t last_write_time(const path& p) {return detail::last_write_time(p);}
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inline
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std::time_t last_write_time(const path& p, system::error_code& ec) BOOST_NOEXCEPT
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{return detail::last_write_time(p, &ec);}
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inline
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void last_write_time(const path& p, const std::time_t new_time)
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{detail::last_write_time(p, new_time);}
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inline
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void last_write_time(const path& p, const std::time_t new_time,
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system::error_code& ec) BOOST_NOEXCEPT
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{detail::last_write_time(p, new_time, &ec);}
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inline
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void permissions(const path& p, perms prms)
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{detail::permissions(p, prms);}
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inline
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void permissions(const path& p, perms prms, system::error_code& ec) BOOST_NOEXCEPT
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{detail::permissions(p, prms, &ec);}
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inline
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path read_symlink(const path& p) {return detail::read_symlink(p);}
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inline
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path read_symlink(const path& p, system::error_code& ec)
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{return detail::read_symlink(p, &ec);}
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inline
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bool remove(const path& p) {return detail::remove(p);}
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inline
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bool remove(const path& p, system::error_code& ec) BOOST_NOEXCEPT
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{return detail::remove(p, &ec);}
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inline
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boost::uintmax_t remove_all(const path& p) {return detail::remove_all(p);}
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inline
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boost::uintmax_t remove_all(const path& p, system::error_code& ec) BOOST_NOEXCEPT
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{return detail::remove_all(p, &ec);}
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inline
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void rename(const path& old_p, const path& new_p) {detail::rename(old_p, new_p);}
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inline
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void rename(const path& old_p, const path& new_p, system::error_code& ec) BOOST_NOEXCEPT
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{detail::rename(old_p, new_p, &ec);}
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inline // name suggested by Scott McMurray
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void resize_file(const path& p, uintmax_t size) {detail::resize_file(p, size);}
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inline
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void resize_file(const path& p, uintmax_t size, system::error_code& ec) BOOST_NOEXCEPT
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{detail::resize_file(p, size, &ec);}
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inline
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path relative(const path& p, const path& base=current_path())
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{return detail::relative(p, base);}
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inline
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path relative(const path& p, system::error_code& ec)
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{return detail::relative(p, current_path(), &ec);}
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inline
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path relative(const path& p, const path& base, system::error_code& ec)
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{return detail::relative(p, base, &ec);}
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inline
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space_info space(const path& p) {return detail::space(p);}
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inline
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space_info space(const path& p, system::error_code& ec) BOOST_NOEXCEPT
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{return detail::space(p, &ec);}
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#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
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inline bool symbolic_link_exists(const path& p)
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{ return is_symlink(filesystem::symlink_status(p)); }
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#endif
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inline
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path system_complete(const path& p) {return detail::system_complete(p);}
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inline
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path system_complete(const path& p, system::error_code& ec)
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{return detail::system_complete(p, &ec);}
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inline
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path temp_directory_path() {return detail::temp_directory_path();}
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inline
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path temp_directory_path(system::error_code& ec)
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{return detail::temp_directory_path(&ec);}
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inline
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path unique_path(const path& p="%%%%-%%%%-%%%%-%%%%")
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{return detail::unique_path(p);}
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inline
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path unique_path(const path& p, system::error_code& ec)
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{return detail::unique_path(p, &ec);}
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inline
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path weakly_canonical(const path& p) {return detail::weakly_canonical(p);}
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inline
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path weakly_canonical(const path& p, system::error_code& ec)
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{return detail::weakly_canonical(p, &ec);}
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// test helper -----------------------------------------------------------------------//
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// Not part of the documented interface since false positives are possible;
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// there is no law that says that an OS that has large stat.st_size
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// actually supports large file sizes.
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namespace detail {
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BOOST_FILESYSTEM_DECL bool possible_large_file_size_support();
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} // namespace detail
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} // namespace filesystem
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} // namespace boost
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#include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
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#endif // BOOST_FILESYSTEM3_OPERATIONS_HPP
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