/**

 * vim: set ts=4 :

 * =============================================================================

 * SourceMod

 * Copyright (C) 2004-2007 AlliedModders LLC.  All rights reserved.

 * =============================================================================

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, version 3.0, as published by the

 * Free Software Foundation.

 * 

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more

 * details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program.  If not, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to link the

 * code of this program (as well as its derivative works) to "Half-Life 2," the

 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

 * by the Valve Corporation.  You must obey the GNU General Public License in

 * all respects for all other code used.  Additionally, AlliedModders LLC grants

 * this exception to all derivative works.  AlliedModders LLC defines further

 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

 * or <http://www.sourcemod.net/license.php>.

 *

 * Version: $Id$

 */

#ifndef _INCLUDE_SOURCEMOD_TEXTPARSERS_H_

#define _INCLUDE_SOURCEMOD_TEXTPARSERS_H_

#include <ITextParsers.h>

#include "sm_globals.h"

using namespace SourceMod;

inline unsigned int _GetUTF8CharBytes(const char *stream)

{

	unsigned char c = *(unsigned char *)stream;

	if (c & (1<<7))

	{

		if (c & (1<<5))

		{

			if (c & (1<<4))

			{

				return 4;

			}

			return 3;

		}

		return 2;

	}

	return 1;

}

bool IsWhitespace(const char *stream);

/**

 * @param void *			IN: Stream pointer

 * @param char *			IN/OUT: Stream buffer

 * @param size_t			IN: Maximum size of buffer

 * @param unsigned int *	OUT: Number of bytes read (0 = end of stream)

 * @return					True on success, false on failure

 */

typedef bool (*STREAMREADER)(void *, char *, size_t, unsigned int *);

class TextParsers : 

	public ITextParsers,

	public SMGlobalClass

{

public:

	TextParsers();

public: //SMGlobalClass

	void OnSourceModAllInitialized();

public:

	bool ParseFile_INI(const char *file, 

		ITextListener_INI *ini_listener,

		unsigned int *line,

		unsigned int *col);

	SMCParseError ParseFile_SMC(const char *file, 

		ITextListener_SMC *smc_listener, 

		unsigned int *line, 

		unsigned int *col);

	unsigned int GetUTF8CharBytes(const char *stream);

	const char *GetSMCErrorString(SMCParseError err);

private:

	SMCParseError ParseString_SMC(const char *stream, 

		ITextListener_SMC *smc,

		unsigned int *line,

		unsigned int *col);

	SMCParseError ParseStream_SMC(void *stream, 

		STREAMREADER srdr,

		ITextListener_SMC *smc,

		unsigned int *line, 

		unsigned int *col);

};

extern TextParsers g_TextParser;

#endif //_INCLUDE_SOURCEMOD_TEXTPARSERS_H_