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53 lines
1.7 KiB
53 lines
1.7 KiB
// This file is under GNU General Public License 3.0
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// see LICENSE.txt
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#ifndef LIBPEPADAPTER_STD_UTILS_HXX
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#define LIBPEPADAPTER_STD_UTILS_HXX
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#include <sstream>
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#include <fstream>
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#include <iterator>
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namespace pEp {
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namespace Utils {
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template<typename T>
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std::string to_string(const std::vector<T>& v)
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{
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std::stringstream ss;
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for (const T& elem : v) {
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ss << elem << std::endl;
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}
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return ss.str();
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}
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template<typename T>
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std::vector<T> file_read_bin(const std::string &filename)
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{
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std::vector<T> ret{};
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if (pEp::Utils::path_exists(filename)) {
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std::ifstream ifs(filename, std::ios_base::binary);
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ifs.unsetf(std::ios_base::skipws);
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if (ifs.bad()) {
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throw std::runtime_error("failed to read file: '" + filename + "'");
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}
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ret = { std::istream_iterator<T>(ifs), std::istream_iterator<T>() };
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} else {
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throw std::runtime_error("File does not exist: '" + filename + "'");
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}
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return ret;
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}
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template<typename T>
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void file_write_bin(const std::string &filename, std::vector<T> &data)
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{
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std::fstream f(filename, std::ios_base::out | std::ios_base::binary | std::ios_base::trunc);
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f.write(data.data(), static_cast<std::streamsize>(data.size()));
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if (f.bad()) {
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throw std::runtime_error("failed to write file: '" + filename + "'");
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}
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}
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} // namespace Utils
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} // namespace pEp
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#endif // LIBPEPADAPTER_STD_UTILS_HXX
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