//------------------------------------------------------------------------------
// <copyright file="LqrSMACCmdLineParser.h" company="LiquidRobotics">
//
// Copyright (c) 2014 Liquid Robotics, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// 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 AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
// This software is associated with a release.  Liquid Robotics makes no
// representation that the design, interfaces or component distribution will
// remain unchanged in future releases.
//
// </copyright>
//
// <summary>
// 	Declaration of CmdLineParser, a generic parser that takes a string as input
//  and produces tokens, respecting quotes and escape characters
// </summary>
//
// <owner>Mike Cookson</owner>
//------------------------------------------------------------------------------

#ifndef __LQRSMACCMDLINEPARSER_H__
#define __LQRSMACCMDLINEPARSER_H__

#include <string>
#include <vector>
#include <boost/shared_ptr.hpp>

namespace LiquidRobotics {
namespace SMACFramework {

class CmdLineParser
{
public:

	typedef boost::shared_ptr<CmdLineParser> Ptr;
	typedef std::string string;
	typedef std::vector<string> StringArray;

	CmdLineParser(const string& cmdLine);
	CmdLineParser(const string& cmdLine, const string& comment);

	const string& operator[](size_t index) const;
	int Count() const;
	const string& GetComment() const;
	const string& GetOriginalCmdLine() const;
	string GetTail(size_t index) const;
	const StringArray& GetTokens() const;
	string MakeCmdLine() const;
	static string MakeCmdLine(const StringArray& tokens);
	void SetTokens(const StringArray& newValue);

private:

	typedef std::pair<size_t,size_t> PositionPair;
	typedef std::vector<PositionPair> PositionPairArray;

	static void Parse(const string& cmdLine, StringArray& result, PositionPairArray& positions);
	static void Parse(const string& cmdLine, StringArray& result, string& comment, const string& commentDef);

	const string originalCmdLine;
	StringArray tokens;
	string comment;
	PositionPairArray positions;
};

}
}

#endif
