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Diffstat (limited to 'starmath/inc/parse.hxx')
| -rw-r--r-- | starmath/inc/parse.hxx | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/starmath/inc/parse.hxx b/starmath/inc/parse.hxx new file mode 100644 index 000000000000..265fc66699bf --- /dev/null +++ b/starmath/inc/parse.hxx @@ -0,0 +1,301 @@ +/************************************************************************* + * + * $RCSfile: parse.hxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:57:24 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ +#ifndef PARSE_HXX +#define PARSE_HXX + + +#include <ctype.h> + +#ifndef _STACK_HXX //autogen +#include <tools/stack.hxx> +#endif +#ifndef _LIST_HXX //autogen +#include <tools/list.hxx> +#endif +#ifndef _STRING_HXX //autogen +#include <tools/string.hxx> +#endif + +#include "types.hxx" + +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 +{ + 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, + TUNKNOWN, TDEBUG +}; + + +struct SmToken +{ + // token text + XubString aText; + // token info + SmTokenType eType; + xub_Unicode cMathChar; + // parse-help info + ULONG nGroup; + USHORT nLevel; + // token position + USHORT nRow; + USHORT 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; + XubString Text; +}; + +DECLARE_STACK(SmNodeStack, SmNode *); +DECLARE_LIST(SmErrDescList, SmErrorDesc *); + +/**************************************************************************/ + +class SmParser +{ + XubString BufferString; + SmToken CurToken; + SmNodeStack NodeStack; + SmErrDescList ErrDescList; + int CurError; + xub_StrLen BufferIndex, + nTokenIndex; + USHORT Row, + Column; + xub_Unicode CharLineEnd; + BOOL bConvert40To50; + + // declare copy-constructor and assignment-operator private + SmParser(const SmParser &); + SmParser & operator = (const SmParser &); + +protected: + BOOL IsDelimiter(xub_Unicode cChar); + void NextToken(); + xub_StrLen GetTokenIndex() const { return nTokenIndex; } + void Insert(const XubString &rText, USHORT nPos); + + inline BOOL TokenInGroup(ULONG nGroup); + inline BOOL IsWhiteSpace(const xub_Unicode cChar) const; + inline BOOL IsComment(const xub_Unicode *pPos) const; + + const xub_Unicode * SkipWhiteSpaces(const xub_Unicode *pPos, USHORT &nRow, USHORT &nColumn); + const xub_Unicode * SkipComment(const xub_Unicode *pPos, USHORT &nRow, USHORT &nColumn); + + // grammar + void Table(); + void Line(); + void Expression(); + void Relation(); + void Sum(); + void Product(); + void SubSup(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 + + void Error(SmParseError Error); + +public: + SmParser(); + + BOOL CheckSyntax(const XubString &rBuffer); + SmNode *Parse(const XubString &rBuffer); + + const XubString & GetText() const { return BufferString; }; + + BOOL IsConvert40To50() const { return bConvert40To50; } + void SetConvert40To50(BOOL bConvert) { bConvert40To50 = bConvert; } + + USHORT AddError(SmParseError Type, SmNode *pNode); + + const SmErrorDesc * NextError(); + const SmErrorDesc * PrevError(); + const SmErrorDesc * GetError(USHORT i = 0xFFFF); +}; + + +inline BOOL SmParser::TokenInGroup(ULONG nGroup) +{ + return (CurToken.nGroup & nGroup) ? TRUE : FALSE; +} + +inline BOOL SmParser::IsWhiteSpace(const xub_Unicode cChar) const +{ + return isspace(cChar) != 0; +} + +inline BOOL SmParser::IsComment(const xub_Unicode *pPos) const +{ + return *pPos == '%' && *(pPos + 1) == '%'; +} + + +#endif + |