lyx_mirror/src/mathed/math_parser.h
André Pönitz 66d171ea78 proper support for \underset
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3469 a592a061-630c-0410-9148-cb99ea01b6c8
2002-02-01 10:33:06 +00:00

159 lines
2.6 KiB
C++

// -*- 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 "math_defs.h"
class MathAtom;
class MathArray;
class LyXLex;
///
enum MathTokenEnum
{
///
LM_TK_SYM = 256,
///
LM_TK_BOX,
///
LM_TK_CHOOSE,
///
LM_TK_BINOM,
///
LM_TK_ATOP,
///
LM_TK_OVER,
///
LM_TK_FRAC,
///
LM_TK_SQRT,
///
LM_TK_ROOT,
///
LM_TK_LEFTEQN,
///
LM_TK_BEGIN,
///
LM_TK_END,
/// mathcal, mathrm...
LM_TK_OLDFONT,
/// cal,...
LM_TK_FONT,
///
LM_TK_LEFT,
///
LM_TK_RIGHT,
///
LM_TK_DECORATION,
///
LM_TK_FUNC,
///
LM_TK_FUNCLIM,
///
LM_TK_CMR,
///
LM_TK_CMSY,
///
LM_TK_CMM,
///
LM_TK_CMEX,
///
LM_TK_MSA,
///
LM_TK_MSB,
///
LM_TK_LABEL,
///
LM_TK_NONUM,
///
LM_TK_SPACE,
///
LM_TK_DOTS,
///
LM_TK_LIMIT,
///
LM_TK_PROTECT,
///
LM_TK_STY,
///
LM_TK_SPECIAL,
///
LM_TK_ARGUMENT,
///
LM_TK_NEWCOMMAND,
///
LM_TK_MATH,
///
LM_TK_NOT,
///
LM_TK_KERN,
///
LM_TK_UNDERSET,
///
LM_TK_STACK
};
///
struct latexkeys {
/// name of the macro or primitive
string name;
/// one of the categories above
MathTokenEnum token;
/// an id within a category if needed (only for spaces?)
unsigned int id;
/// which font to use (optional)
unsigned int latex_font_id;
/// operator/...
string type;
/// how is this called as XML entity?
string xmlname;
};
/// check whether this is a well-known (La)TeX macro or primitive
latexkeys const * in_word_set(string const & str);
/// parse formula from a string
bool mathed_parse_normal(MathAtom &, string const &);
/// ... a stream
bool mathed_parse_normal(MathAtom &, std::istream &);
/// ... the LyX lexxer
bool mathed_parse_normal(MathAtom &, LyXLex &);
/// parse a macro definition from a string, enter it into the macro table
string mathed_parse_macro(string const &);
/// ... a stream
string mathed_parse_macro(std::istream &);
/// ... the LyX lexxer
string mathed_parse_macro(LyXLex &);
/// parse a single cell from a string
void mathed_parse_cell(MathArray & ar, string const &);
/// ... a stream
void mathed_parse_cell(MathArray & ar, std::istream &);
#endif