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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef PARSE_HXX
#define PARSE_HXX
#include <vcl/svapp.hxx>
#include <set>
#include <stack>
#include <list>
#include "types.hxx"
#include <vector>
class SmNode;
//////////////////////////////////////////////////////////////////////
// TokenGroups
#define TGOPER 0x00000001
#define TGRELATION 0x00000002
#define TGSUM 0x00000004
#define TGPRODUCT 0x00000008
#define TGUNOPER 0x00000010
#define TGPOWER 0x00000020
#define TGATTRIBUT 0x00000040
#define TGALIGN 0x00000080
#define TGFUNCTION 0x00000100
#define TGBLANK 0x00000200
#define TGLBRACES 0x00000400
#define TGRBRACES 0x00000800
#define TGCOLOR 0x00001000
#define TGFONT 0x00002000
#define TGSTANDALONE 0x00004000
#define TGDISCARDED 0x00008000
#define TGLIMIT 0x00010000
#define TGFONTATTR 0x00020000
enum SmTokenType
{
/* 0*/ TEND, TLGROUP, TRGROUP, TLPARENT, TRPARENT,
/* 5*/ TLBRACKET, TRBRACKET, TPLUS, TMINUS, TMULTIPLY,
/* 10*/ TDIVIDEBY, TASSIGN, TPOUND, TSPECIAL, TSLASH,
/* 15*/ TBACKSLASH, TBLANK, TSBLANK, TRSUB, TRSUP,
/* 20*/ TCSUB, TCSUP, TLSUB, TLSUP, TGT,
/* 25*/ TLT, TAND, TOR, TINTERSECT, TUNION,
/* 30*/ TNEWLINE, TBINOM, TFROM, TTO, TINT,
/* 35*/ TSUM, TOPER, TABS, TSQRT, TFACT,
/* 40*/ TNROOT, TOVER, TTIMES, TGE, TLE,
/* 45*/ TGG, TLL, TDOTSAXIS, TDOTSLOW, TDOTSVERT,
/* 50*/ TDOTSDIAG, TDOTSUP, TDOTSDOWN, TACUTE, TBAR,
/* 55*/ TBREVE, TCHECK, TCIRCLE, TDOT, TDDOT,
/* 60*/ TDDDOT, TGRAVE, THAT, TTILDE, TVEC,
/* 65*/ TUNDERLINE, TOVERLINE, TOVERSTRIKE, TITALIC, TNITALIC,
/* 70*/ TBOLD, TNBOLD, TPHANTOM, TFONT, TSIZE,
/* 75*/ TCOLOR, TALIGNL, TALIGNC, TALIGNR, TLEFT,
/* 80*/ TRIGHT, TLANGLE, TLBRACE, TLLINE, TLDLINE,
/* 85*/ TLCEIL, TLFLOOR, TNONE, TMLINE, TRANGLE,
/* 90*/ TRBRACE, TRLINE, TRDLINE, TRCEIL, TRFLOOR,
/* 95*/ TSIN, TCOS, TTAN, TCOT, TFUNC,
/*100*/ TSTACK, TMATRIX, TMATFORM, TDPOUND, TPLACE,
/*105*/ TTEXT, TNUMBER, TCHARACTER, TIDENT, TNEQ,
/*110*/ TEQUIV, TDEF, TPROP, TSIM, TSIMEQ,
/*115*/ TAPPROX, TPARALLEL, TORTHO, TIN, TNOTIN,
/*120*/ TSUBSET, TSUBSETEQ, TSUPSET, TSUPSETEQ, TPLUSMINUS,
/*125*/ TMINUSPLUS, TOPLUS, TOMINUS, TDIV, TOTIMES,
/*130*/ TODIVIDE, TTRANSL, TTRANSR, TIINT, TIIINT,
/*135*/ TLINT, TLLINT, TLLLINT, TPROD, TCOPROD,
/*140*/ TFORALL, TEXISTS, TNOTEXISTS, TLIM, TNABLA,
/*145*/ TTOWARD, TSINH, TCOSH, TTANH, TCOTH,
/*150*/ TASIN, TACOS, TATAN, TLN, TLOG,
/*155*/ TUOPER, TBOPER, TBLACK, TWHITE, TRED,
/*160*/ TGREEN, TBLUE, TCYAN, TMAGENTA, TYELLOW,
/*165*/ TFIXED, TSANS, TSERIF, TPOINT, TASINH,
/*170*/ TACOSH, TATANH, TACOTH, TACOT, TEXP,
/*175*/ TCDOT, TODOT, TLESLANT, TGESLANT, TNSUBSET,
/*180*/ TNSUPSET, TNSUBSETEQ, TNSUPSETEQ, TPARTIAL, TNEG,
/*185*/ TNI, TBACKEPSILON, TALEPH, TIM, TRE,
/*190*/ TWP, TEMPTYSET, TINFINITY, TESCAPE, TLIMSUP,
/*195*/ TLIMINF, TNDIVIDES, TDRARROW, TDLARROW, TDLRARROW,
/*200*/ TUNDERBRACE, TOVERBRACE, TCIRC, TTOP, THBAR,
/*205*/ TLAMBDABAR, TLEFTARROW, TRIGHTARROW, TUPARROW, TDOWNARROW,
/*210*/ TDIVIDES, TNDIBVIDES, TSETN, TSETZ, TSETQ,
/*215*/ TSETR, TSETC, TWIDEVEC, TWIDETILDE, TWIDEHAT,
/*220*/ TWIDESLASH, TWIDEBACKSLASH, TLDBRACKET, TRDBRACKET, TNOSPACE,
/*225*/ TUNKNOWN, TDEBUG, TPRECEDES, TSUCCEEDS, TPRECEDESEQUAL,
/*230*/ TSUCCEEDSEQUAL, TPRECEDESEQUIV, TSUCCEEDSEQUIV, TNOTPRECEDES, TNOTSUCCEEDS
};
struct SmToken
{
OUString aText; // token text
SmTokenType eType; // token info
sal_Unicode cMathChar;
// parse-help info
sal_uLong nGroup;
sal_uInt16 nLevel;
// token position
sal_Int32 nRow;
sal_Int32 nCol;
SmToken();
SmToken(SmTokenType eTokenType,
sal_Unicode cMath,
const sal_Char* pText,
sal_uLong nTokenGroup = 0,
sal_uInt16 nTokenLevel = 0);
};
enum SmParseError
{
PE_NONE, PE_UNEXPECTED_END_OF_INPUT,
PE_UNEXPECTED_CHAR, PE_UNEXPECTED_TOKEN,
PE_FUNC_EXPECTED, PE_UNOPER_EXPECTED,
PE_BINOPER_EXPECTED, PE_SYMBOL_EXPECTED,
PE_IDENTIFIER_EXPECTED, PE_POUND_EXPECTED,
PE_COLOR_EXPECTED, PE_LGROUP_EXPECTED,
PE_RGROUP_EXPECTED, PE_LBRACE_EXPECTED,
PE_RBRACE_EXPECTED, PE_PARENT_MISMATCH,
PE_RIGHT_EXPECTED, PE_FONT_EXPECTED,
PE_SIZE_EXPECTED, PE_DOUBLE_ALIGN,
PE_DOUBLE_SUBSUPSCRIPT
};
struct SmErrorDesc
{
SmParseError Type;
SmNode *pNode;
OUString Text;
};
typedef ::std::stack< SmNode* > SmNodeStack;
typedef ::std::vector< SmErrorDesc* > SmErrDescList;
/**************************************************************************/
struct SmTokenTableEntry
{
const sal_Char* pIdent;
SmTokenType eType;
sal_Unicode cMathChar;
sal_uLong nGroup;
sal_uInt16 nLevel;
};
class SmParser
{
OUString m_aBufferString;
SmToken m_aCurToken;
SmNodeStack m_aNodeStack;
SmErrDescList m_aErrDescList;
int m_nCurError;
LanguageType m_nLang;
sal_Int32 m_nBufferIndex,
m_nTokenIndex;
sal_Int32 m_Row,
m_nColOff;
bool bImportSymNames,
m_bExportSymNames;
// map of used symbols (used to reduce file size by exporting only actually used symbols)
std::set< OUString > m_aUsedSymbols;
//! locale where '.' is decimal separator!
::com::sun::star::lang::Locale m_aDotLoc;
// declare copy-constructor and assignment-operator private
SmParser(const SmParser &);
SmParser & operator = (const SmParser &);
protected:
#if OSL_DEBUG_LEVEL > 1
bool IsDelimiter( const OUString &rTxt, sal_Int32 nPos );
#endif
void NextToken();
sal_Int32 GetTokenIndex() const { return m_nTokenIndex; }
void Insert(const OUString &rText, sal_Int32 nPos);
void Replace( sal_Int32 nPos, sal_Int32 nLen, const OUString &rText );
inline bool TokenInGroup( sal_uLong nGroup );
// grammar
void Table();
void Line();
void Expression();
void Relation();
void Sum();
void Product();
void SubSup(sal_uLong nActiveGroup);
void OpSubSup();
void Power();
void Blank();
void Term(bool bGroupNumberIdent);
void Escape();
void Operator();
void Oper();
void UnOper();
void Align();
void FontAttribut();
void Attribut();
void Font();
void FontSize();
void Color();
void Brace();
void Bracebody(bool bIsLeftRight);
void Function();
void Binom();
void Stack();
void Matrix();
void Special();
void GlyphSpecial();
// end of grammar
LanguageType GetLanguage() const { return m_nLang; }
void SetLanguage( LanguageType nNewLang ) { m_nLang = nNewLang; }
void Error(SmParseError Error);
void ClearUsedSymbols() { m_aUsedSymbols.clear(); }
void AddToUsedSymbols( const OUString &rSymbolName ) { m_aUsedSymbols.insert( rSymbolName ); }
public:
SmParser();
/** Parse rBuffer to formula tree */
SmNode *Parse(const OUString &rBuffer);
/** Parse rBuffer to formula subtree that constitutes an expression */
SmNode *ParseExpression(const OUString &rBuffer);
const OUString & GetText() const { return m_aBufferString; };
bool IsImportSymbolNames() const { return bImportSymNames; }
void SetImportSymbolNames(bool bVal) { bImportSymNames = bVal; }
bool IsExportSymbolNames() const { return m_bExportSymNames; }
void SetExportSymbolNames(bool bVal) { m_bExportSymNames = bVal; }
size_t AddError(SmParseError Type, SmNode *pNode);
const SmErrorDesc* NextError();
const SmErrorDesc* PrevError();
const SmErrorDesc* GetError(size_t i = size_t(-1) );
static const SmTokenTableEntry* GetTokenTableEntry( const OUString &rName );
bool IsUsedSymbol( const OUString &rSymbolName ) const { return m_aUsedSymbols.find( rSymbolName ) != m_aUsedSymbols.end(); }
std::set< OUString > GetUsedSymbols() const { return m_aUsedSymbols; }
};
inline bool SmParser::TokenInGroup( sal_uLong nGroup)
{
return (m_aCurToken.nGroup & nGroup) ? true : false;
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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