598bfd3f
 Hu Chunming
提交_GLIBCXX_USE_CX...
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// boost/filesystem/exception.hpp -----------------------------------------------------//
// Copyright Beman Dawes 2003
// Copyright Andrey Semashev 2019
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
// Library home page: http://www.boost.org/libs/filesystem
#ifndef BOOST_FILESYSTEM_EXCEPTION_HPP
#define BOOST_FILESYSTEM_EXCEPTION_HPP
#include <boost/filesystem/config.hpp>
#include <boost/filesystem/path.hpp>
#include <string>
#include <boost/system/error_code.hpp>
#include <boost/system/system_error.hpp>
#include <boost/smart_ptr/intrusive_ptr.hpp>
#include <boost/smart_ptr/intrusive_ref_counter.hpp>
#include <boost/filesystem/detail/header.hpp> // must be the last #include
namespace boost {
namespace filesystem {
//--------------------------------------------------------------------------------------//
// //
// class filesystem_error //
// //
//--------------------------------------------------------------------------------------//
class BOOST_SYMBOL_VISIBLE filesystem_error :
public system::system_error
{
// see http://www.boost.org/more/error_handling.html for design rationale
public:
BOOST_FILESYSTEM_DECL filesystem_error(const char* what_arg, system::error_code ec);
BOOST_FILESYSTEM_DECL filesystem_error(std::string const& what_arg, system::error_code ec);
BOOST_FILESYSTEM_DECL filesystem_error(const char* what_arg, path const& path1_arg, system::error_code ec);
BOOST_FILESYSTEM_DECL filesystem_error(std::string const& what_arg, path const& path1_arg, system::error_code ec);
BOOST_FILESYSTEM_DECL filesystem_error(const char* what_arg, path const& path1_arg, path const& path2_arg, system::error_code ec);
BOOST_FILESYSTEM_DECL filesystem_error(std::string const& what_arg, path const& path1_arg, path const& path2_arg, system::error_code ec);
BOOST_FILESYSTEM_DECL filesystem_error(filesystem_error const& that);
BOOST_FILESYSTEM_DECL filesystem_error& operator=(filesystem_error const& that);
BOOST_FILESYSTEM_DECL ~filesystem_error() BOOST_NOEXCEPT_OR_NOTHROW;
path const& path1() const BOOST_NOEXCEPT
{
return m_imp_ptr.get() ? m_imp_ptr->m_path1 : get_empty_path();
}
path const& path2() const BOOST_NOEXCEPT
{
return m_imp_ptr.get() ? m_imp_ptr->m_path2 : get_empty_path();
}
BOOST_FILESYSTEM_DECL const char* what() const BOOST_NOEXCEPT_OR_NOTHROW BOOST_OVERRIDE;
private:
BOOST_FILESYSTEM_DECL static path const& get_empty_path() BOOST_NOEXCEPT;
private:
struct impl :
public boost::intrusive_ref_counter< impl >
{
path m_path1; // may be empty()
path m_path2; // may be empty()
std::string m_what; // not built until needed
BOOST_DEFAULTED_FUNCTION(impl(), {})
explicit impl(path const& path1) :
m_path1(path1)
{
}
impl(path const& path1, path const& path2) :
m_path1(path1), m_path2(path2)
{
}
};
boost::intrusive_ptr< impl > m_imp_ptr;
};
} // namespace filesystem
} // namespace boost
#include <boost/filesystem/detail/footer.hpp>
#endif // BOOST_FILESYSTEM_EXCEPTION_HPP
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