/*
**  ClanLib SDK
**  Copyright (c) 1997-2020 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
*/


#pragma once

#include <memory>
#include "xpath_object.h"

namespace clan
{
	/// \addtogroup clanXML_XML clanXML XML
	/// \{

	class DomNode;
	class XPathEvaluator_Impl;

	/// \brief XPath evaluator.
	class XPathEvaluator
	{
	public:
		XPathEvaluator();

		/// \brief Evaluate
		///
		/// \param expression = String Ref
		/// \param context_node = Dom Node
		///
		/// \return XPath Object
		XPathObject evaluate(const std::string &expression, const DomNode &context_node) const;

	private:
		std::shared_ptr<XPathEvaluator_Impl> impl;
	};

	/// \}
}
