args.hpp

/*
  ANCH Framework: ANother C++ Hack is a C++ framework based on C++11 standard
  Copyright (C) 2012 Vincent Lachenal
 
  This file is part of ANCH Framework.
 
  ANCH Framework is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  ANCH Framework is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public License
  along with ANCH Framework.  If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
 
#include <string>
#include <vector>
#include <map>
#include <ostream>
#include <memory>
 
#include "cli/app.hpp"
#include "cli/arg.hpp"
 
namespace anch::cli {

  class RegisteredArg;

  class ArgHandler {
 
    // Attributes +
  private:
    std::string _exeName;

    anch::cli::App _app;

    std::vector<std::shared_ptr<anch::cli::RegisteredArg>> _options;

    std::map<char, std::shared_ptr<anch::cli::RegisteredArg>> _sopts;

    std::map<std::string, std::shared_ptr<anch::cli::RegisteredArg>> _lopts;

    std::vector<std::shared_ptr<anch::cli::RegisteredArg>> _positionals;
    // Attributes -
 
    // Constructors +
  public:
    ArgHandler(const anch::cli::App& app, const std::vector<anch::cli::Arg>& options = {});

    ArgHandler(const std::vector<anch::cli::Arg>& options);
    // Constructors -
 
    // Destructor +
  public:
    virtual ~ArgHandler();
    // Destructor -
 
    // Methods +
  public:
    anch::cli::ArgHandler& arg(anch::cli::Arg& arg);

    void parse(int argc, char** argv);

    void check();

    void handle(int argc, char** argv);

    void printHelp(std::ostream& out);

    void printVersion(std::ostream& out);

    void printBanner(std::ostream& out);
 
  private:
    void build(const std::string& arg0);

    void printAppVersion(std::ostream& out);

    bool printUsage(std::ostream& out);

    void printOptions(std::ostream& out);
    // Methods -
 
  };
 
}