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Diffstat (limited to 'starmath/inc/parse.hxx')
| -rw-r--r-- | starmath/inc/parse.hxx | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/starmath/inc/parse.hxx b/starmath/inc/parse.hxx new file mode 100644 index 000000000000..43c09921f76a --- /dev/null +++ b/starmath/inc/parse.hxx @@ -0,0 +1,306 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +#ifndef PARSE_HXX +#define PARSE_HXX + + +#include <vcl/svapp.hxx> +#include <tools/stack.hxx> +#include <tools/string.hxx> + +#include <set> +#include <stack> +#include <list> + +#include "types.hxx" + +#include <vector> + +class SmNode; +class SmDocShell; + +////////////////////////////////////////////////////////////////////// + +// 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 +{ + TEND, TLGROUP, TRGROUP, TLPARENT, TRPARENT, + TLBRACKET, TRBRACKET, TPLUS, TMINUS, TMULTIPLY, + TDIVIDEBY, TASSIGN, TPOUND, TSPECIAL, TSLASH, + TBACKSLASH, TBLANK, TSBLANK, TRSUB, TRSUP, + TCSUB, TCSUP, TLSUB, TLSUP, TGT, + TLT, TAND, TOR, TINTERSECT, TUNION, + TNEWLINE, TBINOM, TFROM, TTO, TINT, + TSUM, TOPER, TABS, TSQRT, TFACT, + TNROOT, TOVER, TTIMES, TGE, TLE, + TGG, TLL, TDOTSAXIS, TDOTSLOW, TDOTSVERT, + TDOTSDIAG, TDOTSUP, TDOTSDOWN, TACUTE, TBAR, + TBREVE, TCHECK, TCIRCLE, TDOT, TDDOT, + TDDDOT, TGRAVE, THAT, TTILDE, TVEC, + TUNDERLINE, TOVERLINE, TOVERSTRIKE, TITALIC, TNITALIC, + TBOLD, TNBOLD, TPHANTOM, TFONT, TSIZE, + TCOLOR, TALIGNL, TALIGNC, TALIGNR, TLEFT, + TRIGHT, TLANGLE, TLBRACE, TLLINE, TLDLINE, + TLCEIL, TLFLOOR, TNONE, TMLINE, TRANGLE, + TRBRACE, TRLINE, TRDLINE, TRCEIL, TRFLOOR, + TSIN, TCOS, TTAN, TCOT, TFUNC, + TSTACK, TMATRIX, TMATFORM, TDPOUND, TPLACE, + TTEXT, TNUMBER, TCHARACTER, TIDENT, TNEQ, + TEQUIV, TDEF, TPROP, TSIM, TSIMEQ, + TAPPROX, TPARALLEL, TORTHO, TIN, TNOTIN, + TSUBSET, TSUBSETEQ, TSUPSET, TSUPSETEQ, TPLUSMINUS, + TMINUSPLUS, TOPLUS, TOMINUS, TDIV, TOTIMES, + TODIVIDE, TTRANSL, TTRANSR, TIINT, TIIINT, + TLINT, TLLINT, TLLLINT, TPROD, TCOPROD, + TFORALL, TEXISTS, TLIM, TNABLA, TTOWARD, + TSINH, TCOSH, TTANH, TCOTH, TASIN, + TACOS, TATAN, TLN, TLOG, TUOPER, + TBOPER, TBLACK, TWHITE, TRED, TGREEN, + TBLUE, TCYAN, TMAGENTA, TYELLOW, TFIXED, + TSANS, TSERIF, TPOINT, TASINH, TACOSH, + TATANH, TACOTH, TACOT, TEXP, TCDOT, + TODOT, TLESLANT, TGESLANT, TNSUBSET, TNSUPSET, + TNSUBSETEQ, TNSUPSETEQ, TPARTIAL, TNEG, TNI, + TBACKEPSILON, TALEPH, TIM, TRE, TWP, + TEMPTYSET, TINFINITY, TESCAPE, TLIMSUP, TLIMINF, + TNDIVIDES, TDRARROW, TDLARROW, TDLRARROW, TUNDERBRACE, + TOVERBRACE, TCIRC, TTOP, THBAR, TLAMBDABAR, + TLEFTARROW, TRIGHTARROW, TUPARROW, TDOWNARROW, TDIVIDES, + TNDIBVIDES, TSETN, TSETZ, TSETQ, TSETR, + TSETC, TWIDEVEC, TWIDETILDE, TWIDEHAT, TWIDESLASH, + TWIDEBACKSLASH, TLDBRACKET, TRDBRACKET, TNOSPACE, + TUNKNOWN, TDEBUG +}; + + +struct SmToken +{ + + String aText; // token text + SmTokenType eType; // token info + sal_Unicode cMathChar; + + // parse-help info + sal_uLong nGroup; + sal_uInt16 nLevel; + + // token position + sal_uInt16 nRow; + xub_StrLen 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; + String Text; +}; + + +DECLARE_STACK(SmNodeStack, SmNode *) +typedef ::std::vector< SmErrorDesc* > SmErrDescList; + +/**************************************************************************/ + +// defines possible conversions of the formula text from the format of +// one release to the one of another. +enum SmConvert +{ + CONVERT_NONE, + CONVERT_40_TO_50, + CONVERT_50_TO_60, + CONVERT_60_TO_50 +}; + +struct SmTokenTableEntry +{ + const sal_Char* pIdent; + SmTokenType eType; + sal_Unicode cMathChar; + sal_uLong nGroup; + sal_uInt16 nLevel; +}; + +class SmParser +{ + String m_aBufferString; + SmToken m_aCurToken; + SmNodeStack m_aNodeStack; + SmErrDescList m_aErrDescList; + int m_nCurError; + LanguageType m_nLang; + xub_StrLen m_nBufferIndex, + m_nTokenIndex; + sal_uInt16 m_Row, + m_nColOff; + SmConvert m_eConversion; + bool bImportSymNames, + m_bExportSymNames; + + // map of used symbols (used to reduce file size by exporting only actually used symbols) + std::set< rtl::OUString > m_aUsedSymbols; + + //! locale where '.' is decimal seperator! + ::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 String &rTxt, xub_StrLen nPos ); +#endif + void NextToken(); + xub_StrLen GetTokenIndex() const { return m_nTokenIndex; } + void Insert(const String &rText, sal_uInt16 nPos); + void Replace( sal_uInt16 nPos, sal_uInt16 nLen, const String &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(); + 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 String &rSymbolName ) { m_aUsedSymbols.insert( rSymbolName ); } + +public: + SmParser(); + + /** Parse rBuffer to formula tree */ + SmNode *Parse(const String &rBuffer); + /** Parse rBuffer to formula subtree that constitutes an expression */ + SmNode *ParseExpression(const String &rBuffer); + + const String & GetText() const { return m_aBufferString; }; + + SmConvert GetConversion() const { return m_eConversion; } + void SetConversion(SmConvert eConv) { m_eConversion = eConv; } + + 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 String &rName ); + bool IsUsedSymbol( const String &rSymbolName ) const { return m_aUsedSymbols.find( rSymbolName ) != m_aUsedSymbols.end(); } + std::set< rtl::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: */ |