93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
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// boost/filesystem/exception.hpp -----------------------------------------------------//
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// Copyright Beman Dawes 2003
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// Copyright Andrey Semashev 2019
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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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#ifndef BOOST_FILESYSTEM_EXCEPTION_HPP
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#define BOOST_FILESYSTEM_EXCEPTION_HPP
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#include <boost/filesystem/config.hpp>
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#include <boost/filesystem/path.hpp>
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#include <string>
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#include <boost/system/error_code.hpp>
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#include <boost/system/system_error.hpp>
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#include <boost/smart_ptr/intrusive_ptr.hpp>
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#include <boost/smart_ptr/intrusive_ref_counter.hpp>
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#include <boost/filesystem/detail/header.hpp> // must be the last #include
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namespace boost {
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namespace filesystem {
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//--------------------------------------------------------------------------------------//
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// //
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// class filesystem_error //
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// //
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//--------------------------------------------------------------------------------------//
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class BOOST_SYMBOL_VISIBLE filesystem_error :
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public system::system_error
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{
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// see http://www.boost.org/more/error_handling.html for design rationale
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public:
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BOOST_FILESYSTEM_DECL filesystem_error(const char* what_arg, system::error_code ec);
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BOOST_FILESYSTEM_DECL filesystem_error(std::string const& what_arg, system::error_code ec);
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BOOST_FILESYSTEM_DECL filesystem_error(const char* what_arg, path const& path1_arg, system::error_code ec);
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BOOST_FILESYSTEM_DECL filesystem_error(std::string const& what_arg, path const& path1_arg, system::error_code ec);
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BOOST_FILESYSTEM_DECL filesystem_error(const char* what_arg, path const& path1_arg, path const& path2_arg, system::error_code ec);
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BOOST_FILESYSTEM_DECL filesystem_error(std::string const& what_arg, path const& path1_arg, path const& path2_arg, system::error_code ec);
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BOOST_FILESYSTEM_DECL filesystem_error(filesystem_error const& that);
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BOOST_FILESYSTEM_DECL filesystem_error& operator=(filesystem_error const& that);
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BOOST_FILESYSTEM_DECL ~filesystem_error() BOOST_NOEXCEPT_OR_NOTHROW;
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path const& path1() const BOOST_NOEXCEPT
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{
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return m_imp_ptr.get() ? m_imp_ptr->m_path1 : get_empty_path();
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}
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path const& path2() const BOOST_NOEXCEPT
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{
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return m_imp_ptr.get() ? m_imp_ptr->m_path2 : get_empty_path();
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}
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BOOST_FILESYSTEM_DECL const char* what() const BOOST_NOEXCEPT_OR_NOTHROW BOOST_OVERRIDE;
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private:
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BOOST_FILESYSTEM_DECL static path const& get_empty_path() BOOST_NOEXCEPT;
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private:
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struct impl :
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public boost::intrusive_ref_counter< impl >
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{
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path m_path1; // may be empty()
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path m_path2; // may be empty()
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std::string m_what; // not built until needed
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BOOST_DEFAULTED_FUNCTION(impl(), {})
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explicit impl(path const& path1) :
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m_path1(path1)
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{
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}
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impl(path const& path1, path const& path2) :
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m_path1(path1), m_path2(path2)
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{
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}
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};
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boost::intrusive_ptr< impl > m_imp_ptr;
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};
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} // namespace filesystem
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} // namespace boost
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#include <boost/filesystem/detail/footer.hpp>
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#endif // BOOST_FILESYSTEM_EXCEPTION_HPP
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