/************************************************************** * * 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 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ #ifndef PARSE_HXX #define PARSE_HXX #include #include #include #include #include #include #include #include "types.hxx" 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, TSILVER, TGRAY, TMAROON, TPURPLE, TLIME, TOLIVE, TNAVY, TTEAL, TAQUA, TFUCHSIA, 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(); }; 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 *) DECLARE_LIST(SmErrDescList, SmErrorDesc *) /**************************************************************************/ // 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 }; 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; sal_Bool m_bImportSymNames, m_bExportSymNames; // map of used symbols (used to reduce file size by exporting only actually used symbols) std::set< rtl::OUString > m_aUsedSymbols; // declare copy-constructor and assignment-operator private SmParser(const SmParser &); SmParser & operator = (const SmParser &); protected: #if OSL_DEBUG_LEVEL sal_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 sal_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(sal_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(); SmNode *Parse(const String &rBuffer); const String & GetText() const { return m_aBufferString; }; SmConvert GetConversion() const { return m_eConversion; } void SetConversion(SmConvert eConv) { m_eConversion = eConv; } sal_Bool IsImportSymbolNames() const { return m_bImportSymNames; } void SetImportSymbolNames(sal_Bool bVal) { m_bImportSymNames = bVal; } sal_Bool IsExportSymbolNames() const { return m_bExportSymNames; } void SetExportSymbolNames(sal_Bool bVal) { m_bExportSymNames = bVal; } sal_uInt16 AddError(SmParseError Type, SmNode *pNode); const SmErrorDesc * NextError(); const SmErrorDesc * PrevError(); const SmErrorDesc * GetError(sal_uInt16 i = 0xFFFF); bool IsUsedSymbol( const String &rSymbolName ) const { return m_aUsedSymbols.find( rSymbolName ) != m_aUsedSymbols.end(); } std::set< rtl::OUString > GetUsedSymbols() const { return m_aUsedSymbols; } }; inline sal_Bool SmParser::TokenInGroup(sal_uLong nGroup) { return (m_aCurToken.nGroup & nGroup) ? sal_True : sal_False; } #endif