// -*- C++ -*-
/*
 *  File:        math_parser.h
 *  Purpose:     Declaration of parsing utilities for mathed
 *  Author:      Alejandro Aguilar Sierra <asierra@servidor.unam.mx> 
 *  Created:     January 1996
 *  Description: Parse LaTeX2e math mode code.
 *
 *  Dependencies: Xlib, XForms
 *
 *  Copyright: 1996, Alejandro Aguilar Sierra
 *
 *   Version: 0.8beta.
 *
 *   You are free to use and modify this code under the terms of
 *   the GNU General Public Licence version 2 or later.
 */

#ifndef MATH_PARSER_H
#define MATH_PARSER_H

#ifdef __GNUG__
#pragma interface
#endif

#include "LString.h"

#include "symbol_def.h"

class MathArray;
class MathInset;
class LyXLex;

///
enum MathTokenEnum
{
	///
	LM_TK_BOP = 256,
	///
	LM_TK_ALPHA,
	///
	LM_TK_STR,
	///
	LM_TK_SYM,
	///
	LM_TK_FRAC,
	///
	LM_TK_CHOOSE,
	///
	LM_TK_SQRT,
	///
	LM_TK_BEGIN,
	///
	LM_TK_END,
	///
	LM_TK_NEWLINE,
	///
	LM_TK_UNDEF,
	///
	LM_TK_FONT,
	///
	LM_TK_LEFT,
	///
	LM_TK_RIGHT,
	///
	LM_TK_ACCENT,
	///
	LM_TK_WIDE,
	///
	LM_TK_FUNC,
	///
	LM_TK_FUNCLIM,
	///
	LM_TK_BIGSYM,
	///
	LM_TK_LABEL,
	///
	LM_TK_NONUM,
	///
	LM_TK_SPACE,
	///
	LM_TK_DOTS,
	///
	LM_TK_LIMIT,
	///
	LM_TK_STY,
	///
	LM_TK_PMOD,
	///
	LM_TK_BMOD,
	///
	LM_TK_MACRO,
	///
	LM_TK_SPECIAL,
	///
	LM_TK_ARGUMENT, 
	///
	LM_TK_NEWCOMMAND,
	///
	LM_TK_STACK
};


///
struct latexkeys {
	///
	char const * name;
	///
	short token;
	///
	unsigned int id;
};


///
latexkeys const * in_word_set(string const & str);

///
latexkeys const * lm_get_key_by_id(unsigned int id, short tc);


MathInset * mathed_parse(std::istream &);
MathInset * mathed_parse(LyXLex &);

#endif