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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
#include "platform_config.hpp"
#include <string>
#include <boost/system/error_code.hpp>
#include <boost/system/system_category.hpp>
#include <boost/filesystem/config.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/filesystem/exception.hpp>
#include "error_handling.hpp"
#include <boost/filesystem/detail/header.hpp> // must be the last #include
namespace boost {
namespace filesystem {
BOOST_FILESYSTEM_DECL filesystem_error::filesystem_error(const char* what_arg, system::error_code ec) :
system::system_error(ec, what_arg)
{
try
{
m_imp_ptr.reset(new impl());
}
catch (...)
{
m_imp_ptr.reset();
}
}
BOOST_FILESYSTEM_DECL filesystem_error::filesystem_error(std::string const& what_arg, system::error_code ec) :
system::system_error(ec, what_arg)
{
try
{
m_imp_ptr.reset(new impl());
}
catch (...)
{
m_imp_ptr.reset();
}
}
BOOST_FILESYSTEM_DECL filesystem_error::filesystem_error(const char* what_arg, path const& path1_arg, system::error_code ec) :
system::system_error(ec, what_arg)
{
try
{
m_imp_ptr.reset(new impl(path1_arg));
}
catch (...)
{
m_imp_ptr.reset();
}
}
BOOST_FILESYSTEM_DECL filesystem_error::filesystem_error(std::string const& what_arg, path const& path1_arg, system::error_code ec) :
system::system_error(ec, what_arg)
{
try
{
m_imp_ptr.reset(new impl(path1_arg));
}
catch (...)
{
m_imp_ptr.reset();
}
}
BOOST_FILESYSTEM_DECL filesystem_error::filesystem_error(const char* what_arg, path const& path1_arg, path const& path2_arg, system::error_code ec) :
system::system_error(ec, what_arg)
{
try
{
m_imp_ptr.reset(new impl(path1_arg, path2_arg));
}
catch (...)
{
m_imp_ptr.reset();
}
}
BOOST_FILESYSTEM_DECL filesystem_error::filesystem_error(std::string const& what_arg, path const& path1_arg, path const& path2_arg, system::error_code ec) :
system::system_error(ec, what_arg)
{
try
{
m_imp_ptr.reset(new impl(path1_arg, path2_arg));
}
catch (...)
{
m_imp_ptr.reset();
}
}
BOOST_FILESYSTEM_DECL filesystem_error::filesystem_error(filesystem_error const& that) :
system::system_error(static_cast< system::system_error const& >(that)),
m_imp_ptr(that.m_imp_ptr)
{
}
BOOST_FILESYSTEM_DECL filesystem_error& filesystem_error::operator=(filesystem_error const& that)
{
static_cast< system::system_error& >(*this) = static_cast< system::system_error const& >(that);
m_imp_ptr = that.m_imp_ptr;
return *this;
}
BOOST_FILESYSTEM_DECL filesystem_error::~filesystem_error() BOOST_NOEXCEPT_OR_NOTHROW
{
}
BOOST_FILESYSTEM_DECL const char* filesystem_error::what() const BOOST_NOEXCEPT_OR_NOTHROW
{
if (m_imp_ptr.get()) try
{
if (m_imp_ptr->m_what.empty())
{
m_imp_ptr->m_what = system::system_error::what();
if (!m_imp_ptr->m_path1.empty())
{
m_imp_ptr->m_what += ": \"";
m_imp_ptr->m_what += m_imp_ptr->m_path1.string();
m_imp_ptr->m_what += "\"";
}
if (!m_imp_ptr->m_path2.empty())
{
m_imp_ptr->m_what += ", \"";
m_imp_ptr->m_what += m_imp_ptr->m_path2.string();
m_imp_ptr->m_what += "\"";
}
}
return m_imp_ptr->m_what.c_str();
}
catch (...)
{
m_imp_ptr->m_what.clear();
}
return system::system_error::what();
}
BOOST_FILESYSTEM_DECL path const& filesystem_error::get_empty_path() BOOST_NOEXCEPT
{
static const path empty_path;
return empty_path;
}
// error handling helpers declared in error_handling.hpp -----------------------------------------------------//
void emit_error(err_t error_num, system::error_code* ec, const char* message)
{
if (!ec)
BOOST_FILESYSTEM_THROW(filesystem_error(message, system::error_code(error_num, system::system_category())));
else
ec->assign(error_num, system::system_category());
}
void emit_error(err_t error_num, path const& p, system::error_code* ec, const char* message)
{
if (!ec)
BOOST_FILESYSTEM_THROW(filesystem_error(message, p, system::error_code(error_num, system::system_category())));
else
ec->assign(error_num, system::system_category());
}
void emit_error(err_t error_num, path const& p1, path const& p2, system::error_code* ec, const char* message)
{
if (!ec)
BOOST_FILESYSTEM_THROW(filesystem_error(message, p1, p2, system::error_code(error_num, system::system_category())));
else
ec->assign(error_num, system::system_category());
}
} // namespace filesystem
} // namespace boost
#include <boost/filesystem/detail/footer.hpp>
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