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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Base/Util/PathUtil.cpp
//! @brief Implements namespace Base::Path.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "Base/Util/PathUtil.h"
#include "Base/Util/Assert.h"
#include "Base/Util/StringUtil.h"
#include <codecvt> //
#include <filesystem>
#include <locale>
#include <stdexcept>
namespace fs = std::filesystem;
#ifdef _WIN32
std::wstring Base::Path::osPath(std::string path)
{
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> c;
return c.from_bytes(path);
}
#else
std::string Base::Path::osPath(std::string path)
{
return path;
}
#endif
std::string Base::Path::extension(const std::string& path)
{
return fs::path(path).extension().string();
}
bool Base::Path::hasExtension(const std::string& path, const std::string& ref_extension)
{
return Base::String::to_lower(extension(path)) == ref_extension;
}
std::string Base::Path::extensions(const std::string& path)
{
const auto name = Base::Path::filename(path);
if (name == "..")
return {};
const auto pos = name.find_first_of('.', 1); // 1: ignore any file-is-hidden dot
return pos != std::string::npos ? name.substr(pos, name.size() - pos) : "";
}
bool Base::Path::createDirectories(const std::string& dir_name)
{
return fs::create_directories(Base::Path::osPath(dir_name));
}
std::vector<std::string> Base::Path::filesInDirectory(const std::string& dir_name)
{
std::vector<std::string> result;
if (!fs::exists(dir_name))
throw std::runtime_error("Base::Path::filesInDirectory '" + dir_name + "' does not exist");
for (const auto& entry : fs::directory_iterator(dir_name))
if (entry.is_regular_file())
result.push_back(entry.path().filename().string());
return result;
}
std::string Base::Path::jointPath(const std::string& path1, const std::string& path2)
{
ASSERT(!path2.empty());
if (path1.empty())
return fs::path(path2).string();
return (fs::path(path1) / fs::path(path2)).string();
}
std::string Base::Path::filename(const std::string& path)
{
return fs::path(path).filename().string();
}
std::string Base::Path::stem(const std::string& path)
{
return fs::path(path).stem().string();
}
std::string Base::Path::stem_ext(const std::string& path)
{
const auto name = Base::Path::filename(path);
if (name == "..")
return "..";
const auto pos = name.find_first_of('.', 1); // 1: ignore any file-is-hidden dot
return pos != std::string::npos ? name.substr(0, pos) : name;
}
bool Base::Path::IsFileExists(const std::string& path)
{
return fs::exists(Base::Path::osPath(path));
}
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