skia/font_converter/src/font_arguments.hpp

#ifndef RECORDER_ARGUMENTS_HPP
#define RECORDER_ARGUMENTS_HPP

#include <iostream>
#include <string>
#include <unordered_map>

#include "args.hxx"

class FontArguments
{

public:
    FontArguments(int argc, const char** argv) :
        m_Parser("Convert a font file into the rive format.", "Experimental....")
    {
        args::HelpFlag help(m_Parser, "help", "Display this help menu", {'h', "help"});
        args::Group required(m_Parser, "required arguments:", args::Group::Validators::All);
        args::Group optional(m_Parser, "optional arguments:", args::Group::Validators::DontCare);

        args::ValueFlag<std::string> source(required, "path", "source filename", {'s', "source"});
        args::ValueFlag<std::string> destination(required,
                                                 "path",
                                                 "destination filename",
                                                 {'d', "destination"});
        args::ValueFlag<std::string> charset(optional,
                                             "path",
                                             "charset filename",
                                             {'c', "charset"});

        args::CompletionFlag completion(m_Parser, {"complete"});
        try
        {
            m_Parser.ParseCLI(argc, argv);
        }
        catch (const std::invalid_argument e)
        {
            std::cout << e.what();
            throw;
        }
        catch (const args::Completion& e)
        {
            std::cout << e.what();
            throw;
        }
        catch (const args::Help&)
        {
            std::cout << m_Parser;
            throw;
        }
        catch (const args::ParseError& e)
        {
            std::cerr << e.what() << std::endl;
            std::cerr << m_Parser;
            throw;
        }
        catch (args::ValidationError e)
        {
            std::cerr << e.what() << std::endl;
            std::cerr << m_Parser;
            throw;
        }

        m_Destination = args::get(destination);
        m_Source = args::get(source);
        m_Charset = args::get(charset);
    }

    const std::string& destination() const { return m_Destination; }
    const std::string& source() const { return m_Source; }
    const std::string& charset() const { return m_Charset; }

private:
    args::ArgumentParser m_Parser;
    std::string m_Destination;
    std::string m_Source;
    std::string m_Charset;
};
#endif