/*
 * This file is a part of EZC -- Easy templating in C++
 * and is distributed under the (new) BSD licence.
 * Author: Tomasz Sowa <t.sowa@ttmath.org>
 */

/* 
 * Copyright (c) 2007-2014, Tomasz Sowa
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *    
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *    
 *  * Neither the name Tomasz Sowa nor the names of contributors to this
 *    project may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */


#ifndef headerfile_ezc_pattern
#define headerfile_ezc_pattern

#include <string>
#include "item.h"
#include "functions.h"


namespace Ezc
{


class Pattern
{
public:

	Pattern();

	void Clear();
	void ClearCache();

	template<class StreamType>
	void CacheFunctions(Functions<StreamType> & fun)
	{
		CacheFunctions(item_root, fun);
	}

	void SetCommentary(const char * com_start, const char * com_stop);
	void SetCommentary(const std::string & com_start, const std::string & com_stop);
	void SetCommentary(const wchar_t * com_start, const wchar_t * com_stop);
	void SetCommentary(const std::wstring & com_start, const std::wstring & com_stop);

	void CreateMsg(std::wstring & out, const wchar_t * type, const wchar_t * arg = 0);


	Item item_root;
	

private:


	std::wstring commentary_start, commentary_stop;


	template<class StreamType>
	void CacheFunctions(Item & item, Functions<StreamType> & fun)
	{
		typename Functions<StreamType>::Function * ezc_fun;

		// one exception (if_index is putting its argument on the functions stack)
		if( item.type != Item::item_ifindex )
		{
			for(size_t f=0; f < item.functions.size() ; ++f)
			{
				if( fun.Find(item.functions[f].name, &ezc_fun) )
				{
					item.functions[f].fun_cache = ezc_fun;
				}
				else
				{
					item.functions[f].fun_cache = 0;

					#ifdef EZC_USE_WINIX_LOGGER
					Winix::log << Winix::log1 << "Ezc: unknown function: " << item.functions[f].name << Winix::logend;
					#endif
				}
			}
		}

		for(size_t i=0; i < item.item_tab.size() ; ++i)
			CacheFunctions(*item.item_tab[i], fun);
	}


	void ClearCache(Item & item);

}; // class Pattern









} // namespace Ezc


#endif