69 lines
2.2 KiB
C++
Executable File
69 lines
2.2 KiB
C++
Executable File
// filesystem/string_file.hpp --------------------------------------------------------//
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// Copyright Beman Dawes 2015
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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_STRING_FILE_HPP
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#define BOOST_FILESYSTEM_STRING_FILE_HPP
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#include <boost/filesystem/config.hpp>
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#if !defined(BOOST_FILESYSTEM_NO_DEPRECATED)
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#if !defined(BOOST_FILESYSTEM_DEPRECATED)
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#include <boost/config/header_deprecated.hpp>
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BOOST_HEADER_DEPRECATED("your own implementation")
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#endif
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#include <cstddef>
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#include <limits>
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#include <string>
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#include <ios>
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#include <stdexcept>
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#include <boost/cstdint.hpp>
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#include <boost/filesystem/path.hpp>
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#include <boost/filesystem/fstream.hpp>
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#include <boost/filesystem/operations.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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inline void save_string_file(path const& p, std::string const& str)
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{
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filesystem::ofstream file;
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file.exceptions(std::ios_base::failbit | std::ios_base::badbit);
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file.open(p, std::ios_base::binary);
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const std::size_t sz = str.size();
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if (BOOST_UNLIKELY(sz > static_cast< boost::uintmax_t >((std::numeric_limits< std::streamsize >::max)())))
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BOOST_FILESYSTEM_THROW(std::length_error("String size exceeds max write size"));
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file.write(str.c_str(), static_cast< std::streamsize >(sz));
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}
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inline void load_string_file(path const& p, std::string& str)
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{
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filesystem::ifstream file;
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file.exceptions(std::ios_base::failbit | std::ios_base::badbit);
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file.open(p, std::ios_base::binary);
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const boost::uintmax_t sz = filesystem::file_size(p);
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if (BOOST_UNLIKELY(sz > static_cast< boost::uintmax_t >((std::numeric_limits< std::streamsize >::max)())))
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BOOST_FILESYSTEM_THROW(std::length_error("File size exceeds max read size"));
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str.resize(static_cast< std::size_t >(sz), '\0');
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if (sz > 0u)
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file.read(&str[0], static_cast< std::streamsize >(sz));
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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 // !defined(BOOST_FILESYSTEM_NO_DEPRECATED)
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#endif // BOOST_FILESYSTEM_STRING_FILE_HPP
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