diff options
Diffstat (limited to 'utils/helpers/file.hpp')
-rw-r--r-- | utils/helpers/file.hpp | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/utils/helpers/file.hpp b/utils/helpers/file.hpp deleted file mode 100644 index 48e4c51..0000000 --- a/utils/helpers/file.hpp +++ /dev/null @@ -1,69 +0,0 @@ -// Copyright (c) 2016 Egor Tensin <Egor.Tensin@gmail.com> -// This file is part of the "AES tools" project. -// For details, see https://github.com/egor-tensin/aes-tools. -// Distributed under the MIT License. - -#include <cstddef> - -#include <fstream> -#include <iterator> -#include <limits> -#include <stdexcept> -#include <string> -#include <type_traits> -#include <vector> - -namespace file -{ - inline std::size_t cast_to_size_t(std::streamoff size) - { - if (size < 0) - throw std::range_error{"file::cast_to_size_t: something went really wrong"}; - typedef std::make_unsigned<std::streamoff>::type unsigned_streamoff; - if (static_cast<unsigned_streamoff>(size) > std::numeric_limits<std::size_t>::max()) - throw std::range_error{"file::cast_to_size_t: this file is too large"}; - return static_cast<std::size_t>(size); - } - - inline std::size_t get_file_size(const std::string& path) - { - std::ifstream ifs; - ifs.exceptions(std::ifstream::badbit | std::ifstream::failbit); - ifs.open(path, std::ifstream::binary | std::ifstream::ate); - return cast_to_size_t(ifs.tellg()); - } - - inline std::vector<char> read_file(const std::string& path) - { - const auto size = get_file_size(path); - - std::ifstream ifs; - ifs.exceptions(std::ifstream::badbit | std::ifstream::failbit); - ifs.open(path, std::ifstream::binary); - - std::vector<char> src_buf; - src_buf.reserve(size); - src_buf.assign( - std::istreambuf_iterator<char>{ifs}, - std::istreambuf_iterator<char>{}); - return src_buf; - } - - inline void write_file( - const std::string& path, - const void* buffer, - const std::size_t size) - { - std::ofstream ofs; - ofs.exceptions(std::ofstream::badbit | std::ofstream::failbit); - ofs.open(path, std::ofstream::binary); - ofs.write(reinterpret_cast<const char*>(buffer), size); - } - - inline void write_file( - const std::string& path, - const std::vector<unsigned char>& src) - { - write_file(path, src.data(), src.size()); - } -} |