cmd_line.hpp

// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "winapi-common" project.
// For details, see https://github.com/egor-tensin/winapi-common.
// Distributed under the MIT License.
 
#pragma once
 
#include <string>
#include <utility>
#include <vector>
 
namespace winapi {
 
class CommandLine {
public:
    static CommandLine query();
 
    static CommandLine parse(const std::string& src);
 
    static CommandLine from_main(int argc, wchar_t* argv[]);
 
    CommandLine() = default;
 
    explicit CommandLine(const std::string& argv0, const std::vector<std::string>& args = {})
        : m_argv0{argv0}, m_args{args} {}
 
    explicit CommandLine(std::string&& argv0, std::vector<std::string>&& args = {})
        : m_argv0{std::move(argv0)}, m_args{std::move(args)} {}
 
    explicit CommandLine(std::vector<std::string> argv);
 
    static std::string escape(const std::string&);
 
    static std::string escape_cmd(const std::string&);
 
    std::string to_string() const;
 
    std::string args_to_string() const;
 
    std::string get_argv0() const { return m_argv0; }
 
    bool has_args() const { return !get_args().empty(); }
 
    const std::vector<std::string>& get_args() const { return m_args; }
 
    std::vector<std::string> get_argv() const;
 
private:
    static constexpr char token_sep() { return ' '; }
 
    std::string escape_argv0() const { return escape(get_argv0()); }
 
    std::vector<std::string> escape_args() const;
 
    std::vector<std::string> escape_argv() const;
 
    std::string m_argv0;
    std::vector<std::string> m_args;
};
 
} // namespace winapi