Path.h

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#pragma once
 
#include <iostream>
#include <stdexcept>
#include <string>
#include "../StringHelper.h"
 
#if __has_include(<filesystem>)
#include <filesystem>
namespace fs = std::filesystem;
#else
#include <experimental/filesystem>
namespace fs = std::experimental::filesystem;
#endif
 
class Path {
  public:
    static std::string GetFileName(const fs::path& input) {
        // https://en.cppreference.com/w/cpp/filesystem/path/filename
        return input.filename().string();
    };
 
    static std::string GetFileNameWithoutExtension(const fs::path& input) {
        // https://en.cppreference.com/w/cpp/filesystem/path/stem
        return input.stem().string();
    };
 
    static std::string GetFileNameExtension(const std::string& input) {
        auto pos = input.find_last_of(".");
        if (pos == std::string::npos) {
            throw std::out_of_range("GetFileNameExtension: no '.' found in \"" + input + "\"");
        }
        return input.substr(pos);
    };
 
    static fs::path GetPath(const std::string& input) {
        std::vector<std::string> split = StringHelper::Split(input, "/");
        fs::path output;
 
        for (std::string str : split) {
            if (str.find_last_of(".") == std::string::npos)
                output /= str;
        }
 
        return output;
    };
 
    static fs::path GetDirectoryName(const fs::path& path) {
        return path.parent_path();
    };
};