text: /*
   * Copyright 2013-2020 Arx Libertatis Team (see the AUTHORS file)
   *
   * This file is part of Arx Libertatis.
   *
   * Original source is copyright 2010 - 2011. Alexey Tsoy.
   * http://sourceforge.net/projects/interpreter11/
   *
   * Boost Software License - Version 1.0 - August 17th, 2003
   *
   * Permission is hereby granted, free of charge, to any person or organization
   * obtaining a copy of the software and accompanying documentation covered by
   * this license (the "Software") to use, reproduce, display, distribute,
   * execute, and transmit the Software, and to prepare derivative works of the
   * Software, and to permit third-parties to whom the Software is furnished to
   * do so, all subject to the following:
   *
   * The copyright notices in the Software and this entire statement, including
   * the above license grant, this restriction and the following disclaimer,
   * must be included in all copies of the Software, in whole or in part, and
   * all derivative works of the Software, unless such copies or derivative
   * works are solely in the form of machine-executable object code generated by
   * a source language processor.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
   * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
   * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   * DEALINGS IN THE SOFTWARE.
   */
  
  #ifndef ARX_UTIL_CMDLINE_COMMANDLINEEXCEPTION_H
  #define ARX_UTIL_CMDLINE_COMMANDLINEEXCEPTION_H
  
  #include <stdexcept>
  
  #include "platform/Platform.h"
  
  namespace util { namespace cmdline {
  
  class error : public virtual std::runtime_error {
  	
  public:
  	
  	typedef enum {
  		no_exception,
  		invalid_value,
  		invalid_arg_count,
  		already_exists,
  		cmd_not_found,
  		invalid_cmd_syntax,
  	} exception_code;
  	
  	error(exception_code c, const std::string & message)
  		: std::runtime_error(message), m_code(c) { }
  	
  	explicit error(exception_code c)
  		: std::runtime_error(default_message(c)), m_code(c) { }
  	
  	static std::string default_message(exception_code c) {
  		switch(c) {
  			case no_exception:       return "uninitialized exception";
  			case invalid_value:      return "the syntax is incorrect";
  			case invalid_arg_count:  return "invalid arguments count";
  			case already_exists:     return "command already exists";
  			case cmd_not_found:      return "command not found";
  			case invalid_cmd_syntax: return "commands must start with a dash (-)";
  		}
  		arx_unreachable();
  	}
  	
  	exception_code code() const { return m_code; }
  	
  private:
  	
  	exception_code m_code;
  	
  };
  
  } } // namespace util::cmdline
  
  #endif // ARX_UTIL_CMDLINE_COMMANDLINEEXCEPTION_H
  