//----------------------------------------------------------------------------------
// <copyright file="LqrSMACLexcalCast.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>
//   Implementation of LexicalCast, which is liked boost::lexical_cast, but it
//   allows "0x" to be put in front of the string for hexadecimal values
// </summary>
//
// <owner>Mike Cookson</owner>
//----------------------------------------------------------------------------------

#ifndef LQRSMACLEXICALCAST_H_
#define LQRSMACLEXICALCAST_H_

#include <boost/lexical_cast.hpp>
#include <boost/algorithm/string.hpp>

namespace LiquidRobotics {
namespace SMACFramework {

template<typename TOTYPE>
struct LexicalCast
{
	TOTYPE value;

	LexicalCast(const std::string& input)
	{
		using namespace std;
		stringstream ss;

		if (boost::istarts_with(input, "0x"))
		{
			ss << hex << input.substr(2);
			ss >> value;
		}
		else if (boost::istarts_with(input, "-0x"))
		{
			ss << hex << "-" << input.substr(3);
			ss >> value;
		}
		else
			value = boost::lexical_cast<TOTYPE>(input);
	}

	operator TOTYPE() const { return value; }

};

}
}

#endif /* LQRSMACLEXICALCAST_H_ */
