xref: /aoo41x/main/starmath/source/parse.cxx (revision cdf0e10c)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_starmath.hxx"
30 
31 
32 #include <stdio.h>
33 
34 #define SMDLL 1
35 
36 #include <com/sun/star/i18n/UnicodeType.hpp>
37 #include <i18npool/lang.h>
38 #include <unotools/charclass.hxx>
39 #include <editeng/unolingu.hxx>
40 #include <unotools/syslocale.hxx>
41 #include "parse.hxx"
42 #ifndef _STARMATH_HRC
43 #include "starmath.hrc"
44 #endif
45 #ifndef _SMDLL_HXX
46 #include "smdll.hxx"
47 #endif
48 #include "smmod.hxx"
49 #include "config.hxx"
50 
51 #include "node.hxx"
52 
53 using namespace ::com::sun::star;
54 using namespace ::com::sun::star::i18n;
55 
56 ///////////////////////////////////////////////////////////////////////////
57 
58 static inline sal_Bool strnccmp(const String &u1, xub_StrLen nIdx,
59 			  				const sal_Char *s2, xub_StrLen nLen)
60 {
61 	return u1.EqualsIgnoreCaseAscii( s2, nIdx, nLen );
62 }
63 
64 static const sal_Unicode aDelimiterTable[] =
65 {
66 	' ',	'\t',	'\n',	'\r',	'+',	'-',	'*',	'/',	'=',	'#',
67 	'%',	'\\',	'"',	'~',	'`',	'>',	'<',	'&',	'|',	'(',
68 	')',	'{',	'}',	'[',	']',	'^',	'_',
69 	'\0'	// end of list symbol
70 };
71 
72 
73 static inline sal_Bool IsDigit( sal_Unicode cChar )
74 {
75 	return '0' <= cChar && cChar <= '9';
76 }
77 
78 ///////////////////////////////////////////////////////////////////////////
79 
80 SmToken::SmToken() :
81 	eType		(TUNKNOWN),
82 	cMathChar	('\0')
83 {
84     nGroup = nCol = nRow = nLevel = 0;
85 }
86 
87 ///////////////////////////////////////////////////////////////////////////
88 
89 struct SmTokenTableEntry
90 {
91 	const sal_Char*	pIdent;
92 	SmTokenType	 	eType;
93 	sal_Unicode	 	cMathChar;
94 	sal_uLong 		 	nGroup;
95 	sal_uInt16		 	nLevel;
96 };
97 
98 static const SmTokenTableEntry aTokenTable[] =
99 {
100 //	{ "#", TPOUND, '\0', 0, 0 },
101 //	{ "##", TDPOUND, '\0', 0, 0 },
102 //	{ "&", TAND, MS_AND, TGPRODUCT, 0 },
103 //	{ "(", TLPARENT, MS_LPARENT, TGLBRACES, 5 },	//! 5 to continue expression
104 //	{ ")", TRPARENT, MS_RPARENT, TGRBRACES, 0 },	//! 0 to terminate expression
105 //	{ "*", TMULTIPLY, MS_MULTIPLY, TGPRODUCT, 0 },
106 //	{ "+", TPLUS, MS_PLUS, TGUNOPER | TGSUM, 5 },
107 //	{ "+-", TPLUSMINUS, MS_PLUSMINUS, TGUNOPER | TGSUM, 5 },
108 //	{ "-", TMINUS, MS_MINUS, TGUNOPER | TGSUM, 5 },
109 //	{ "-+", TMINUSPLUS, MS_MINUSPLUS, TGUNOPER | TGSUM, 5 },
110 //	{ ".", TPOINT, '\0', 0, 0 },
111 //	{ "/", TDIVIDEBY, MS_SLASH, TGPRODUCT, 0 },
112 //	{ "<", TLT, MS_LT, TGRELATION, 0 },
113 //	{ "<<", TLL, MS_LL, TGRELATION, 0 },
114 //	{ "<=", TLE, MS_LE, TGRELATION, 0 },
115 //	{ "<>", TNEQ, MS_NEQ, TGRELATION, 0},
116 //	{ "<?>", TPLACE, MS_PLACE, 0, 5 },
117 //	{ "=", TASSIGN, MS_ASSIGN, TGRELATION, 0},
118 //	{ ">", TGT, MS_GT, TGRELATION, 0 },
119 //	{ ">=", TGE, MS_GE, TGRELATION, 0 },
120 //	{ ">>", TGG, MS_GG, TGRELATION, 0 },
121 	{ "Im" , TIM, MS_IM, TGSTANDALONE, 5 },
122 	{ "MZ23", TDEBUG, '\0', TGATTRIBUT, 0 },
123 	{ "Re" , TRE, MS_RE, TGSTANDALONE, 5 },
124 	{ "abs", TABS, '\0', TGUNOPER, 13 },
125 	{ "arcosh", TACOSH, '\0', TGFUNCTION, 5 },
126 	{ "arcoth", TACOTH, '\0', TGFUNCTION, 5 },
127 	{ "acute", TACUTE, MS_ACUTE, TGATTRIBUT, 5 },
128 	{ "aleph" , TALEPH, MS_ALEPH, TGSTANDALONE, 5 },
129 	{ "alignb", TALIGNC, '\0', TGALIGN | TGDISCARDED, 0},
130 	{ "alignc", TALIGNC, '\0', TGALIGN, 0},
131 	{ "alignl", TALIGNL, '\0', TGALIGN, 0},
132 	{ "alignm", TALIGNC, '\0', TGALIGN | TGDISCARDED, 0},
133 	{ "alignr", TALIGNR, '\0', TGALIGN, 0},
134 	{ "alignt", TALIGNC, '\0', TGALIGN | TGDISCARDED, 0},
135 	{ "and", TAND, MS_AND, TGPRODUCT, 0},
136 	{ "approx", TAPPROX, MS_APPROX, TGRELATION, 0},
137 	{ "arccos", TACOS, '\0', TGFUNCTION, 5},
138 	{ "arccot", TACOT, '\0', TGFUNCTION, 5},
139 	{ "arcsin", TASIN, '\0', TGFUNCTION, 5},
140 	{ "arctan", TATAN, '\0', TGFUNCTION, 5},
141 	{ "arsinh", TASINH, '\0', TGFUNCTION, 5},
142 	{ "artanh", TATANH, '\0', TGFUNCTION, 5},
143 	{ "backepsilon" , TBACKEPSILON, MS_BACKEPSILON, TGSTANDALONE, 5},
144 	{ "bar", TBAR, MS_BAR, TGATTRIBUT, 5},
145 	{ "binom", TBINOM, '\0', 0, 5 },
146 	{ "black", TBLACK, '\0', TGCOLOR, 0},
147 	{ "blue", TBLUE, '\0', TGCOLOR, 0},
148 	{ "bold", TBOLD, '\0', TGFONTATTR, 5},
149 	{ "boper", TBOPER, '\0', TGPRODUCT, 0},
150 	{ "breve", TBREVE, MS_BREVE, TGATTRIBUT, 5},
151 	{ "bslash", TBACKSLASH, MS_BACKSLASH, TGPRODUCT, 0 },
152 	{ "cdot", TCDOT, MS_CDOT, TGPRODUCT, 0},
153 	{ "check", TCHECK, MS_CHECK, TGATTRIBUT, 5},
154 	{ "circ" , TCIRC, MS_CIRC, TGSTANDALONE, 5},
155 	{ "circle", TCIRCLE, MS_CIRCLE, TGATTRIBUT, 5},
156 	{ "color", TCOLOR, '\0', TGFONTATTR, 5},
157 	{ "coprod", TCOPROD, MS_COPROD, TGOPER, 5},
158 	{ "cos", TCOS, '\0', TGFUNCTION, 5},
159 	{ "cosh", TCOSH, '\0', TGFUNCTION, 5},
160 	{ "cot", TCOT, '\0', TGFUNCTION, 5},
161 	{ "coth", TCOTH, '\0', TGFUNCTION, 5},
162 	{ "csub", TCSUB, '\0', TGPOWER, 0},
163 	{ "csup", TCSUP, '\0', TGPOWER, 0},
164 	{ "cyan", TCYAN, '\0', TGCOLOR, 0},
165 	{ "dddot", TDDDOT, MS_DDDOT, TGATTRIBUT, 5},
166 	{ "ddot", TDDOT, MS_DDOT, TGATTRIBUT, 5},
167 	{ "def", TDEF, MS_DEF, TGRELATION, 0},
168 	{ "div", TDIV, MS_DIV, TGPRODUCT, 0},
169 	{ "divides", TDIVIDES, MS_LINE, TGRELATION, 0},
170 	{ "dlarrow" , TDLARROW, MS_DLARROW, TGSTANDALONE, 5},
171 	{ "dlrarrow" , TDLRARROW, MS_DLRARROW, TGSTANDALONE, 5},
172 	{ "dot", TDOT, MS_DOT, TGATTRIBUT, 5},
173 	{ "dotsaxis", TDOTSAXIS, MS_DOTSAXIS, TGSTANDALONE, 5},	// 5 to continue expression
174 	{ "dotsdiag", TDOTSDIAG, MS_DOTSUP, TGSTANDALONE, 5},	//
175 	{ "dotsdown", TDOTSDOWN, MS_DOTSDOWN, TGSTANDALONE, 5},  //
176 	{ "dotslow", TDOTSLOW, MS_DOTSLOW, TGSTANDALONE, 5},    //
177 	{ "dotsup", TDOTSUP, MS_DOTSUP, TGSTANDALONE, 5},      //
178 	{ "dotsvert", TDOTSVERT, MS_DOTSVERT, TGSTANDALONE, 5},	//
179 	{ "downarrow" , TDOWNARROW, MS_DOWNARROW, TGSTANDALONE, 5},
180 	{ "drarrow" , TDRARROW, MS_DRARROW, TGSTANDALONE, 5},
181 	{ "emptyset" , TEMPTYSET, MS_EMPTYSET, TGSTANDALONE, 5},
182 	{ "equiv", TEQUIV, MS_EQUIV, TGRELATION, 0},
183 	{ "exists", TEXISTS, MS_EXISTS, TGSTANDALONE, 5},
184 	{ "exp", TEXP, '\0', TGFUNCTION, 5},
185 	{ "fact", TFACT, MS_FACT, TGUNOPER, 5},
186 	{ "fixed", TFIXED, '\0', TGFONT, 0},
187 	{ "font", TFONT, '\0', TGFONTATTR, 5},
188 	{ "forall", TFORALL, MS_FORALL, TGSTANDALONE, 5},
189 	{ "from", TFROM, '\0', TGLIMIT, 0},
190 	{ "func", TFUNC, '\0', TGFUNCTION, 5},
191 	{ "ge", TGE, MS_GE, TGRELATION, 0},
192 	{ "geslant", TGESLANT, MS_GESLANT, TGRELATION, 0 },
193 	{ "gg", TGG, MS_GG, TGRELATION, 0},
194 	{ "grave", TGRAVE, MS_GRAVE, TGATTRIBUT, 5},
195 	{ "green", TGREEN, '\0', TGCOLOR, 0},
196 	{ "gt", TGT, MS_GT, TGRELATION, 0},
197 	{ "hat", THAT, MS_HAT, TGATTRIBUT, 5},
198 	{ "hbar" , THBAR, MS_HBAR, TGSTANDALONE, 5},
199 	{ "iiint", TIIINT, MS_IIINT, TGOPER, 5},
200 	{ "iint", TIINT, MS_IINT, TGOPER, 5},
201 	{ "in", TIN, MS_IN, TGRELATION, 0},
202 	{ "infinity" , TINFINITY, MS_INFINITY, TGSTANDALONE, 5},
203 	{ "infty" , TINFINITY, MS_INFINITY, TGSTANDALONE, 5},
204 	{ "int", TINT, MS_INT, TGOPER, 5},
205 	{ "intersection", TINTERSECT, MS_INTERSECT, TGPRODUCT, 0},
206 	{ "ital", TITALIC, '\0', TGFONTATTR, 5},
207 	{ "italic", TITALIC, '\0', TGFONTATTR, 5},
208 	{ "lambdabar" , TLAMBDABAR, MS_LAMBDABAR, TGSTANDALONE, 5},
209 	{ "langle", TLANGLE, MS_LANGLE, TGLBRACES, 5},
210 	{ "lbrace", TLBRACE, MS_LBRACE, TGLBRACES, 5},
211 	{ "lceil", TLCEIL, MS_LCEIL, TGLBRACES, 5},
212 	{ "ldbracket", TLDBRACKET, MS_LDBRACKET, TGLBRACES, 5},
213 	{ "ldline", TLDLINE, MS_DLINE, TGLBRACES, 5},
214 	{ "le", TLE, MS_LE, TGRELATION, 0},
215 	{ "left", TLEFT, '\0', 0, 5},
216 	{ "leftarrow" , TLEFTARROW, MS_LEFTARROW, TGSTANDALONE, 5},
217 	{ "leslant", TLESLANT, MS_LESLANT, TGRELATION, 0 },
218 	{ "lfloor", TLFLOOR, MS_LFLOOR, TGLBRACES, 5},
219 	{ "lim", TLIM, '\0', TGOPER, 5},
220 	{ "liminf", TLIMINF, '\0', TGOPER, 5},
221 	{ "limsup", TLIMSUP, '\0', TGOPER, 5},
222 	{ "lint", TLINT, MS_LINT, TGOPER, 5},
223 	{ "ll", TLL, MS_LL, TGRELATION, 0},
224 	{ "lline", TLLINE, MS_LINE, TGLBRACES, 5},
225 	{ "llint", TLLINT, MS_LLINT, TGOPER, 5},
226 	{ "lllint", TLLLINT, MS_LLLINT, TGOPER, 5},
227 	{ "ln", TLN, '\0', TGFUNCTION, 5},
228 	{ "log", TLOG, '\0', TGFUNCTION, 5},
229 	{ "lsub", TLSUB, '\0', TGPOWER, 0},
230 	{ "lsup", TLSUP, '\0', TGPOWER, 0},
231 	{ "lt", TLT, MS_LT, TGRELATION, 0},
232 	{ "magenta", TMAGENTA, '\0', TGCOLOR, 0},
233 	{ "matrix", TMATRIX, '\0', 0, 5},
234 	{ "minusplus", TMINUSPLUS, MS_MINUSPLUS, TGUNOPER | TGSUM, 5},
235 	{ "mline", TMLINE, MS_LINE, 0, 0},		//! nicht in TGRBRACES, Level 0
236 	{ "nabla", TNABLA, MS_NABLA, TGSTANDALONE, 5},
237 	{ "nbold", TNBOLD, '\0', TGFONTATTR, 5},
238 	{ "ndivides", TNDIVIDES, MS_NDIVIDES, TGRELATION, 0},
239 	{ "neg", TNEG, MS_NEG, TGUNOPER, 5 },
240 	{ "neq", TNEQ, MS_NEQ, TGRELATION, 0},
241 	{ "newline", TNEWLINE, '\0', 0, 0},
242 	{ "ni", TNI, MS_NI, TGRELATION, 0},
243 	{ "nitalic", TNITALIC, '\0', TGFONTATTR, 5},
244 	{ "none", TNONE, '\0', TGLBRACES | TGRBRACES, 0},
245 	{ "nospace", TNOSPACE, '\0', TGSTANDALONE, 5},
246 	{ "notin", TNOTIN, MS_NOTIN, TGRELATION, 0},
247 	{ "nroot", TNROOT, MS_SQRT, TGUNOPER, 5},
248 	{ "nsubset", TNSUBSET, MS_NSUBSET, TGRELATION, 0 },
249 	{ "nsupset", TNSUPSET, MS_NSUPSET, TGRELATION, 0 },
250 	{ "nsubseteq", TNSUBSETEQ, MS_NSUBSETEQ, TGRELATION, 0 },
251 	{ "nsupseteq", TNSUPSETEQ, MS_NSUPSETEQ, TGRELATION, 0 },
252 	{ "odivide", TODIVIDE, MS_ODIVIDE, TGPRODUCT, 0},
253 	{ "odot", TODOT, MS_ODOT, TGPRODUCT, 0},
254 	{ "ominus", TOMINUS, MS_OMINUS, TGSUM, 0},
255 	{ "oper", TOPER, '\0', TGOPER, 5},
256 	{ "oplus", TOPLUS, MS_OPLUS, TGSUM, 0},
257 	{ "or", TOR, MS_OR, TGSUM, 0},
258 	{ "ortho", TORTHO, MS_ORTHO, TGRELATION, 0},
259 	{ "otimes", TOTIMES, MS_OTIMES, TGPRODUCT, 0},
260 	{ "over", TOVER, '\0', TGPRODUCT, 0},
261 	{ "overbrace", TOVERBRACE, MS_OVERBRACE, TGPRODUCT, 5},
262 	{ "overline", TOVERLINE, '\0', TGATTRIBUT, 5},
263 	{ "overstrike", TOVERSTRIKE, '\0', TGATTRIBUT, 5},
264 	{ "owns", TNI, MS_NI, TGRELATION, 0},
265 	{ "parallel", TPARALLEL, MS_DLINE, TGRELATION, 0},
266 	{ "partial", TPARTIAL, MS_PARTIAL, TGSTANDALONE, 5 },
267 	{ "phantom", TPHANTOM, '\0', TGFONTATTR, 5},
268 	{ "plusminus", TPLUSMINUS, MS_PLUSMINUS, TGUNOPER | TGSUM, 5},
269 	{ "prod", TPROD, MS_PROD, TGOPER, 5},
270 	{ "prop", TPROP, MS_PROP, TGRELATION, 0},
271 	{ "rangle", TRANGLE, MS_RANGLE, TGRBRACES, 0},	//! 0 to terminate expression
272 	{ "rbrace", TRBRACE, MS_RBRACE, TGRBRACES, 0},	//
273 	{ "rceil", TRCEIL, MS_RCEIL, TGRBRACES, 0},	//
274 	{ "rdbracket", TRDBRACKET, MS_RDBRACKET, TGRBRACES, 0},	//
275 	{ "rdline", TRDLINE, MS_DLINE, TGRBRACES, 0},	//
276 	{ "red", TRED, '\0', TGCOLOR, 0},
277 	{ "rfloor", TRFLOOR, MS_RFLOOR, TGRBRACES, 0},	//! 0 to terminate expression
278 	{ "right", TRIGHT, '\0', 0, 0},
279 	{ "rightarrow" , TRIGHTARROW, MS_RIGHTARROW, TGSTANDALONE, 5},
280 	{ "rline", TRLINE, MS_LINE, TGRBRACES, 0},	//! 0 to terminate expression
281 	{ "rsub", TRSUB, '\0', TGPOWER, 0},
282 	{ "rsup", TRSUP, '\0', TGPOWER, 0},
283 	{ "sans", TSANS, '\0', TGFONT, 0},
284 	{ "serif", TSERIF, '\0', TGFONT, 0},
285 	{ "setC" , TSETC, MS_SETC, TGSTANDALONE, 5},
286 	{ "setN" , TSETN, MS_SETN, TGSTANDALONE, 5},
287 	{ "setQ" , TSETQ, MS_SETQ, TGSTANDALONE, 5},
288 	{ "setR" , TSETR, MS_SETR, TGSTANDALONE, 5},
289 	{ "setZ" , TSETZ, MS_SETZ, TGSTANDALONE, 5},
290 	{ "setminus", TBACKSLASH, MS_BACKSLASH, TGPRODUCT, 0 },
291 	{ "sim", TSIM, MS_SIM, TGRELATION, 0},
292 	{ "simeq", TSIMEQ, MS_SIMEQ, TGRELATION, 0},
293 	{ "sin", TSIN, '\0', TGFUNCTION, 5},
294 	{ "sinh", TSINH, '\0', TGFUNCTION, 5},
295 	{ "size", TSIZE, '\0', TGFONTATTR, 5},
296 	{ "slash", TSLASH, MS_SLASH, TGPRODUCT, 0 },
297 	{ "sqrt", TSQRT, MS_SQRT, TGUNOPER, 5},
298 	{ "stack", TSTACK, '\0', 0, 5},
299 	{ "sub", TRSUB, '\0', TGPOWER, 0},
300 	{ "subset", TSUBSET, MS_SUBSET, TGRELATION, 0},
301 	{ "subseteq", TSUBSETEQ, MS_SUBSETEQ, TGRELATION, 0},
302 	{ "sum", TSUM, MS_SUM, TGOPER, 5},
303 	{ "sup", TRSUP, '\0', TGPOWER, 0},
304 	{ "supset", TSUPSET, MS_SUPSET, TGRELATION, 0},
305 	{ "supseteq", TSUPSETEQ, MS_SUPSETEQ, TGRELATION, 0},
306 	{ "tan", TTAN, '\0', TGFUNCTION, 5},
307 	{ "tanh", TTANH, '\0', TGFUNCTION, 5},
308 	{ "tilde", TTILDE, MS_TILDE, TGATTRIBUT, 5},
309 	{ "times", TTIMES, MS_TIMES, TGPRODUCT, 0},
310 	{ "to", TTO, '\0', TGLIMIT, 0},
311 	{ "toward", TTOWARD, MS_RIGHTARROW, TGRELATION, 0},
312 	{ "transl", TTRANSL, MS_TRANSL, TGRELATION, 0},
313 	{ "transr", TTRANSR, MS_TRANSR, TGRELATION, 0},
314 	{ "underbrace", TUNDERBRACE, MS_UNDERBRACE, TGPRODUCT, 5},
315 	{ "underline", TUNDERLINE, '\0', TGATTRIBUT, 5},
316 	{ "union", TUNION, MS_UNION, TGSUM, 0},
317 	{ "uoper", TUOPER, '\0', TGUNOPER, 5},
318 	{ "uparrow" , TUPARROW, MS_UPARROW, TGSTANDALONE, 5},
319 	{ "vec", TVEC, MS_VEC, TGATTRIBUT, 5},
320 	{ "white", TWHITE, '\0', TGCOLOR, 0},
321 	{ "widebslash", TWIDEBACKSLASH, MS_BACKSLASH, TGPRODUCT, 0 },
322 	{ "widehat", TWIDEHAT, MS_HAT, TGATTRIBUT, 5},
323 	{ "widetilde", TWIDETILDE, MS_TILDE, TGATTRIBUT, 5},
324 	{ "wideslash", TWIDESLASH, MS_SLASH, TGPRODUCT, 0 },
325 	{ "widevec", TWIDEVEC, MS_VEC, TGATTRIBUT, 5},
326 	{ "wp" , TWP, MS_WP, TGSTANDALONE, 5},
327 	{ "yellow", TYELLOW, '\0', TGCOLOR, 0},
328 //	{ "[", TLBRACKET, MS_LBRACKET, TGLBRACES, 5},	//! 5 to continue expression
329 //	{ "\\", TESCAPE, '\0', 0, 5},
330 //	{ "]", TRBRACKET, MS_RBRACKET, TGRBRACES, 0},	//! 0 to terminate expression
331 //	{ "^", TRSUP, '\0', TGPOWER, 0},
332 //	{ "_", TRSUB, '\0', TGPOWER, 0},
333 //	{ "`", TSBLANK, '\0', TGBLANK, 5},
334 //	{ "{", TLGROUP, MS_LBRACE, 0, 5},		//! 5 to continue expression
335 //	{ "|", TOR, MS_OR, TGSUM, 0},
336 //	{ "}", TRGROUP, MS_RBRACE, 0, 0},		//! 0 to terminate expression
337 //	{ "~", TBLANK, '\0', TGBLANK, 5},
338 	{ "", TEND, '\0', 0, 0}
339 };
340 
341 
342 static const SmTokenTableEntry * GetTokenTableEntry( const String &rName )
343 {
344 	const SmTokenTableEntry * pRes = 0;
345 	if (rName.Len())
346 	{
347 		sal_Int32 nEntries = sizeof( aTokenTable ) / sizeof( aTokenTable[0] );
348 		for (sal_Int32 i = 0;  i < nEntries;  ++i)
349 		{
350 			if (rName.EqualsIgnoreCaseAscii( aTokenTable[i].pIdent ))
351 			{
352 				pRes = &aTokenTable[i];
353 				break;
354 			}
355 		}
356 
357 	}
358 
359 	return pRes;
360 }
361 
362 
363 ///////////////////////////////////////////////////////////////////////////
364 
365 #if OSL_DEBUG_LEVEL
366 
367 sal_Bool SmParser::IsDelimiter( const String &rTxt, xub_StrLen nPos )
368 	// returns 'sal_True' iff cChar is '\0' or a delimeter
369 {
370 	DBG_ASSERT( nPos <= rTxt.Len(), "index out of range" );
371 
372 	sal_Unicode cChar = rTxt.GetChar( nPos );
373 	if(!cChar)
374 		return sal_True;
375 
376 	// check if 'cChar' is in the delimeter table
377 	const sal_Unicode *pDelim = &aDelimiterTable[0];
378 	for ( ;  *pDelim != 0;  pDelim++)
379 		if (*pDelim == cChar)
380 			break;
381 
382 	sal_Bool bIsDelim = *pDelim != 0;
383 
384     sal_Int16 nTypJp = SM_MOD()->GetSysLocale().GetCharClass().getType( rTxt, nPos );
385 	bIsDelim |= nTypJp == com::sun::star::i18n::UnicodeType::SPACE_SEPARATOR ||
386 				nTypJp == com::sun::star::i18n::UnicodeType::CONTROL;
387 
388 	return bIsDelim;
389 }
390 
391 #endif
392 
393 void SmParser::Insert(const String &rText, sal_uInt16 nPos)
394 {
395     m_aBufferString.Insert(rText, nPos);
396 
397 	xub_StrLen  nLen = rText.Len();
398     m_nBufferIndex = m_nBufferIndex + nLen;
399     m_nTokenIndex  = m_nTokenIndex + nLen;
400 }
401 
402 
403 void SmParser::Replace( sal_uInt16 nPos, sal_uInt16 nLen, const String &rText )
404 {
405     DBG_ASSERT( nPos + nLen <= m_aBufferString.Len(), "argument mismatch" );
406 
407     m_aBufferString.Replace( nPos, nLen, rText );
408     sal_Int16  nChg = rText.Len() - nLen;
409     m_nBufferIndex = m_nBufferIndex + nChg;
410     m_nTokenIndex = m_nTokenIndex + nChg;
411 }
412 
413 
414 // First character may be any alphabetic
415 const sal_Int32 coStartFlags =
416 		KParseTokens::ANY_LETTER_OR_NUMBER |
417 		KParseTokens::IGNORE_LEADING_WS;
418 
419 // Continuing characters may be any alphanumeric or dot.
420 const sal_Int32 coContFlags =
421     ((coStartFlags | KParseTokens::ASC_DOT) & ~KParseTokens::IGNORE_LEADING_WS)
422     | KParseTokens::TWO_DOUBLE_QUOTES_BREAK_STRING;
423 
424 // First character for numbers, may be any numeric or dot
425 const sal_Int32 coNumStartFlags =
426         KParseTokens::ASC_DIGIT |
427         KParseTokens::ASC_DOT |
428         KParseTokens::IGNORE_LEADING_WS;
429 // Continuing characters for numbers, may be any numeric or dot.
430 const sal_Int32 coNumContFlags =
431     (coNumStartFlags | KParseTokens::ASC_DOT) & ~KParseTokens::IGNORE_LEADING_WS;
432 
433 void SmParser::NextToken()
434 {
435 	static const String aEmptyStr;
436 
437     xub_StrLen  nBufLen = m_aBufferString.Len();
438 	ParseResult	aRes;
439 	xub_StrLen	nRealStart;
440 	sal_Bool		bCont;
441     sal_Bool        bNumStart = sal_False;
442     CharClass   aCC(SM_MOD()->GetSysLocale().GetCharClass().getLocale());
443 	do
444 	{
445         // skip white spaces
446         while (UnicodeType::SPACE_SEPARATOR ==
447                         aCC.getType( m_aBufferString, m_nBufferIndex ))
448            ++m_nBufferIndex;
449 
450         sal_Int32 nStartFlags = coStartFlags;
451         sal_Int32 nContFlags  = coContFlags;
452         sal_Unicode cFirstChar = m_aBufferString.GetChar( m_nBufferIndex );
453 /*
454         removed because of #i11752#
455         bNumStart = cFirstChar == '.' || ('0' <= cFirstChar && cFirstChar <= '9');
456         if (bNumStart)
457         {
458             nStartFlags = coNumStartFlags;
459             nContFlags  = coNumContFlags;
460         }
461 */
462         aRes = aCC.parseAnyToken( m_aBufferString, m_nBufferIndex,
463                                             nStartFlags, aEmptyStr,
464                                             nContFlags, aEmptyStr );
465 
466         // #i45779# parse numbers correctly
467         // i.e. independent from the locale setting.
468         // (note that #i11752# remains fixed)
469         if ((aRes.TokenType & KParseType::IDENTNAME) && IsDigit( cFirstChar ))
470         {
471             //! locale where '.' is decimal seperator!
472             static lang::Locale aDotLoc( SvxCreateLocale( LANGUAGE_ENGLISH_US ) );
473 
474             ParseResult aTmpRes;
475             lang::Locale aOldLoc( aCC.getLocale() );
476             aCC.setLocale( aDotLoc );
477             aTmpRes = aCC.parsePredefinedToken(
478                             KParseType::ASC_NUMBER,
479                             m_aBufferString, m_nBufferIndex,
480                             KParseTokens::ASC_DIGIT, aEmptyStr,
481                             KParseTokens::ASC_DIGIT | KParseTokens::ASC_DOT, aEmptyStr );
482             aCC.setLocale( aOldLoc );
483             if (aTmpRes.TokenType & KParseType::ASC_NUMBER)
484                 aRes.TokenType = aTmpRes.TokenType;
485         }
486 
487         nRealStart = m_nBufferIndex + sal::static_int_cast< xub_StrLen >(aRes.LeadingWhiteSpace);
488         m_nBufferIndex = nRealStart;
489 
490 		bCont = sal_False;
491 		if ( aRes.TokenType == 0  &&
492 				nRealStart < nBufLen &&
493                 '\n' == m_aBufferString.GetChar( nRealStart ) )
494 		{
495 			// keep data needed for tokens row and col entry up to date
496             ++m_Row;
497             m_nBufferIndex = m_nColOff = nRealStart + 1;
498 			bCont = sal_True;
499 		}
500 		else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
501 		{
502             String aName( m_aBufferString.Copy( nRealStart, 2 ));
503 			if ( aName.EqualsAscii( "%%" ))
504 			{
505 				//SkipComment
506                 m_nBufferIndex = nRealStart + 2;
507                 while (m_nBufferIndex < nBufLen  &&
508                     '\n' != m_aBufferString.GetChar( m_nBufferIndex ))
509                     ++m_nBufferIndex;
510 				bCont = sal_True;
511 			}
512 		}
513 
514 	} while (bCont);
515 
516 	// set index of current token
517     m_nTokenIndex = m_nBufferIndex;
518 
519     m_aCurToken.nRow   = m_Row;
520     m_aCurToken.nCol   = nRealStart - m_nColOff + 1;
521 
522 	sal_Bool bHandled = sal_True;
523 	if (nRealStart >= nBufLen)
524 	{
525         m_aCurToken.eType    = TEND;
526         m_aCurToken.cMathChar = '\0';
527         m_aCurToken.nGroup       = 0;
528         m_aCurToken.nLevel       = 0;
529         m_aCurToken.aText.Erase();
530 	}
531     else if ((aRes.TokenType & (KParseType::ASC_NUMBER | KParseType::UNI_NUMBER))
532              || (bNumStart && (aRes.TokenType & KParseType::IDENTNAME)))
533 	{
534 		sal_Int32 n = aRes.EndPos - nRealStart;
535 		DBG_ASSERT( n >= 0, "length < 0" );
536         m_aCurToken.eType      = TNUMBER;
537         m_aCurToken.cMathChar  = '\0';
538         m_aCurToken.nGroup     = 0;
539         m_aCurToken.nLevel     = 5;
540         m_aCurToken.aText      = m_aBufferString.Copy( nRealStart, sal::static_int_cast< xub_StrLen >(n) );
541 
542 #if OSL_DEBUG_LEVEL > 1
543         if (!IsDelimiter( m_aBufferString, static_cast< xub_StrLen >(aRes.EndPos) ))
544         {
545             DBG_WARNING( "identifier really finished? (compatibility!)" );
546         }
547 #endif
548 	}
549 	else if (aRes.TokenType & KParseType::DOUBLE_QUOTE_STRING)
550 	{
551         m_aCurToken.eType      = TTEXT;
552         m_aCurToken.cMathChar  = '\0';
553         m_aCurToken.nGroup     = 0;
554         m_aCurToken.nLevel     = 5;
555         m_aCurToken.aText     = aRes.DequotedNameOrString;
556         m_aCurToken.nRow       = m_Row;
557         m_aCurToken.nCol       = nRealStart - m_nColOff + 2;
558 	}
559 	else if (aRes.TokenType & KParseType::IDENTNAME)
560 	{
561 		sal_Int32 n = aRes.EndPos - nRealStart;
562 		DBG_ASSERT( n >= 0, "length < 0" );
563         String aName( m_aBufferString.Copy( nRealStart, sal::static_int_cast< xub_StrLen >(n) ) );
564 		const SmTokenTableEntry *pEntry = GetTokenTableEntry( aName );
565 
566 		if (pEntry)
567 		{
568             m_aCurToken.eType      = pEntry->eType;
569             m_aCurToken.cMathChar  = pEntry->cMathChar;
570             m_aCurToken.nGroup     = pEntry->nGroup;
571             m_aCurToken.nLevel     = pEntry->nLevel;
572             m_aCurToken.aText.AssignAscii( pEntry->pIdent );
573 		}
574 		else
575 		{
576             m_aCurToken.eType      = TIDENT;
577             m_aCurToken.cMathChar  = '\0';
578             m_aCurToken.nGroup     = 0;
579             m_aCurToken.nLevel     = 5;
580             m_aCurToken.aText      = aName;
581 
582 #if OSL_DEBUG_LEVEL > 1
583             if (!IsDelimiter( m_aBufferString, static_cast< xub_StrLen >(aRes.EndPos) ))
584             {
585                 DBG_WARNING( "identifier really finished? (compatibility!)" );
586             }
587 #endif
588 		}
589 	}
590     else if (aRes.TokenType == 0  &&  '_' == m_aBufferString.GetChar( nRealStart ))
591 	{
592         m_aCurToken.eType    = TRSUB;
593         m_aCurToken.cMathChar = '\0';
594         m_aCurToken.nGroup       = TGPOWER;
595         m_aCurToken.nLevel       = 0;
596         m_aCurToken.aText.AssignAscii( "_" );
597 
598 		aRes.EndPos = nRealStart + 1;
599 	}
600 	else if (aRes.TokenType & KParseType::BOOLEAN)
601 	{
602 		sal_Int32   &rnEndPos = aRes.EndPos;
603         String  aName( m_aBufferString.Copy( nRealStart,
604                         sal::static_int_cast< xub_StrLen >(rnEndPos - nRealStart) ));
605 		if (2 >= aName.Len())
606 		{
607 			sal_Unicode ch = aName.GetChar( 0 );
608 			switch (ch)
609 			{
610 				case '<':
611 					{
612                         if (m_aBufferString.Copy( nRealStart, 2 ).
613 								EqualsAscii( "<<" ))
614 						{
615                             m_aCurToken.eType    = TLL;
616                             m_aCurToken.cMathChar = MS_LL;
617                             m_aCurToken.nGroup       = TGRELATION;
618                             m_aCurToken.nLevel       = 0;
619                             m_aCurToken.aText.AssignAscii( "<<" );
620 
621 							rnEndPos = nRealStart + 2;
622 						}
623                         else if (m_aBufferString.Copy( nRealStart, 2 ).
624 								EqualsAscii( "<=" ))
625 						{
626                             m_aCurToken.eType    = TLE;
627                             m_aCurToken.cMathChar = MS_LE;
628                             m_aCurToken.nGroup       = TGRELATION;
629                             m_aCurToken.nLevel       = 0;
630                             m_aCurToken.aText.AssignAscii( "<=" );
631 
632 							rnEndPos = nRealStart + 2;
633 						}
634                         else if (m_aBufferString.Copy( nRealStart, 2 ).
635 								EqualsAscii( "<>" ))
636 						{
637                             m_aCurToken.eType    = TNEQ;
638                             m_aCurToken.cMathChar = MS_NEQ;
639                             m_aCurToken.nGroup       = TGRELATION;
640                             m_aCurToken.nLevel       = 0;
641                             m_aCurToken.aText.AssignAscii( "<>" );
642 
643 							rnEndPos = nRealStart + 2;
644 						}
645                         else if (m_aBufferString.Copy( nRealStart, 3 ).
646 								EqualsAscii( "<?>" ))
647 						{
648                             m_aCurToken.eType    = TPLACE;
649                             m_aCurToken.cMathChar = MS_PLACE;
650                             m_aCurToken.nGroup       = 0;
651                             m_aCurToken.nLevel       = 5;
652                             m_aCurToken.aText.AssignAscii( "<?>" );
653 
654 							rnEndPos = nRealStart + 3;
655 						}
656 						else
657 						{
658                             m_aCurToken.eType    = TLT;
659                             m_aCurToken.cMathChar = MS_LT;
660                             m_aCurToken.nGroup       = TGRELATION;
661                             m_aCurToken.nLevel       = 0;
662                             m_aCurToken.aText.AssignAscii( "<" );
663 						}
664 					}
665 					break;
666 				case '>':
667 					{
668                         if (m_aBufferString.Copy( nRealStart, 2 ).
669 								EqualsAscii( ">=" ))
670 						{
671                             m_aCurToken.eType    = TGE;
672                             m_aCurToken.cMathChar = MS_GE;
673                             m_aCurToken.nGroup       = TGRELATION;
674                             m_aCurToken.nLevel       = 0;
675                             m_aCurToken.aText.AssignAscii( ">=" );
676 
677 							rnEndPos = nRealStart + 2;
678 						}
679                         else if (m_aBufferString.Copy( nRealStart, 2 ).
680 								EqualsAscii( ">>" ))
681 						{
682                             m_aCurToken.eType    = TGG;
683                             m_aCurToken.cMathChar = MS_GG;
684                             m_aCurToken.nGroup       = TGRELATION;
685                             m_aCurToken.nLevel       = 0;
686                             m_aCurToken.aText.AssignAscii( ">>" );
687 
688 							rnEndPos = nRealStart + 2;
689 						}
690 						else
691 						{
692                             m_aCurToken.eType    = TGT;
693                             m_aCurToken.cMathChar = MS_GT;
694                             m_aCurToken.nGroup       = TGRELATION;
695                             m_aCurToken.nLevel       = 0;
696                             m_aCurToken.aText.AssignAscii( ">" );
697 						}
698 					}
699 					break;
700 				default:
701 					bHandled = sal_False;
702 			}
703 		}
704 	}
705 	else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
706 	{
707 		sal_Int32   &rnEndPos = aRes.EndPos;
708         String  aName( m_aBufferString.Copy( nRealStart,
709                             sal::static_int_cast< xub_StrLen >(rnEndPos - nRealStart) ) );
710 
711 		if (1 == aName.Len())
712 		{
713 			sal_Unicode ch = aName.GetChar( 0 );
714 			switch (ch)
715 			{
716 				case '%':
717 					{
718 						//! modifies aRes.EndPos
719 
720 						DBG_ASSERT( rnEndPos >= nBufLen  ||
721                                     '%' != m_aBufferString.GetChar( sal::static_int_cast< xub_StrLen >(rnEndPos) ),
722 								"unexpected comment start" );
723 
724 						// get identifier of user-defined character
725                         ParseResult aTmpRes = aCC.parseAnyToken(
726                                 m_aBufferString, rnEndPos,
727 								KParseTokens::ANY_LETTER,
728 								aEmptyStr,
729                                 coContFlags,
730 								aEmptyStr );
731 
732                         xub_StrLen nTmpStart = sal::static_int_cast< xub_StrLen >(rnEndPos +
733                                                     aTmpRes.LeadingWhiteSpace);
734 
735                         // default setting for the case that no identifier
736                         // i.e. a valid symbol-name is following the '%'
737                         // character
738                         m_aCurToken.eType      = TTEXT;
739                         m_aCurToken.cMathChar  = '\0';
740                         m_aCurToken.nGroup     = 0;
741                         m_aCurToken.nLevel     = 5;
742                         m_aCurToken.aText      = String();
743                         m_aCurToken.nRow       = sal::static_int_cast< xub_StrLen >(m_Row);
744                         m_aCurToken.nCol       = nTmpStart - m_nColOff;
745 
746                         if (aTmpRes.TokenType & KParseType::IDENTNAME)
747                         {
748 
749                             xub_StrLen n = sal::static_int_cast< xub_StrLen >(aTmpRes.EndPos - nTmpStart);
750                             m_aCurToken.eType      = TSPECIAL;
751                             m_aCurToken.aText      = m_aBufferString.Copy( sal::static_int_cast< xub_StrLen >(nTmpStart-1), n+1 );
752 
753                             DBG_ASSERT( aTmpRes.EndPos > rnEndPos,
754                                     "empty identifier" );
755                             if (aTmpRes.EndPos > rnEndPos)
756                                 rnEndPos = aTmpRes.EndPos;
757                             else
758                                 ++rnEndPos;
759                         }
760 
761                         // if no symbol-name was found we start-over with
762                         // finding the next token right afer the '%' sign.
763                         // I.e. we leave rnEndPos unmodified.
764 					}
765 					break;
766 				case '[':
767 					{
768                         m_aCurToken.eType    = TLBRACKET;
769                         m_aCurToken.cMathChar = MS_LBRACKET;
770                         m_aCurToken.nGroup       = TGLBRACES;
771                         m_aCurToken.nLevel       = 5;
772                         m_aCurToken.aText.AssignAscii( "[" );
773 					}
774 					break;
775 				case '\\':
776 					{
777                         m_aCurToken.eType    = TESCAPE;
778                         m_aCurToken.cMathChar = '\0';
779                         m_aCurToken.nGroup       = 0;
780                         m_aCurToken.nLevel       = 5;
781                         m_aCurToken.aText.AssignAscii( "\\" );
782 					}
783 					break;
784 				case ']':
785 					{
786                         m_aCurToken.eType    = TRBRACKET;
787                         m_aCurToken.cMathChar = MS_RBRACKET;
788                         m_aCurToken.nGroup       = TGRBRACES;
789                         m_aCurToken.nLevel       = 0;
790                         m_aCurToken.aText.AssignAscii( "]" );
791 					}
792 					break;
793 				case '^':
794 					{
795                         m_aCurToken.eType    = TRSUP;
796                         m_aCurToken.cMathChar = '\0';
797                         m_aCurToken.nGroup       = TGPOWER;
798                         m_aCurToken.nLevel       = 0;
799                         m_aCurToken.aText.AssignAscii( "^" );
800 					}
801 					break;
802 				case '`':
803 					{
804                         m_aCurToken.eType    = TSBLANK;
805                         m_aCurToken.cMathChar = '\0';
806                         m_aCurToken.nGroup       = TGBLANK;
807                         m_aCurToken.nLevel       = 5;
808                         m_aCurToken.aText.AssignAscii( "`" );
809 					}
810 					break;
811 				case '{':
812 					{
813                         m_aCurToken.eType    = TLGROUP;
814                         m_aCurToken.cMathChar = MS_LBRACE;
815                         m_aCurToken.nGroup       = 0;
816                         m_aCurToken.nLevel       = 5;
817                         m_aCurToken.aText.AssignAscii( "{" );
818 					}
819 					break;
820 				case '|':
821 					{
822                         m_aCurToken.eType    = TOR;
823                         m_aCurToken.cMathChar = MS_OR;
824                         m_aCurToken.nGroup       = TGSUM;
825                         m_aCurToken.nLevel       = 0;
826                         m_aCurToken.aText.AssignAscii( "|" );
827 					}
828 					break;
829 				case '}':
830 					{
831                         m_aCurToken.eType    = TRGROUP;
832                         m_aCurToken.cMathChar = MS_RBRACE;
833                         m_aCurToken.nGroup       = 0;
834                         m_aCurToken.nLevel       = 0;
835                         m_aCurToken.aText.AssignAscii( "}" );
836 					}
837 					break;
838 				case '~':
839 					{
840                         m_aCurToken.eType    = TBLANK;
841                         m_aCurToken.cMathChar = '\0';
842                         m_aCurToken.nGroup       = TGBLANK;
843                         m_aCurToken.nLevel       = 5;
844                         m_aCurToken.aText.AssignAscii( "~" );
845 					}
846 					break;
847 				case '#':
848 					{
849                         if (m_aBufferString.Copy( nRealStart, 2 ).
850 								EqualsAscii( "##" ))
851 						{
852                             m_aCurToken.eType    = TDPOUND;
853                             m_aCurToken.cMathChar = '\0';
854                             m_aCurToken.nGroup       = 0;
855                             m_aCurToken.nLevel       = 0;
856                             m_aCurToken.aText.AssignAscii( "##" );
857 
858 							rnEndPos = nRealStart + 2;
859 						}
860 						else
861 						{
862                             m_aCurToken.eType    = TPOUND;
863                             m_aCurToken.cMathChar = '\0';
864                             m_aCurToken.nGroup       = 0;
865                             m_aCurToken.nLevel       = 0;
866                             m_aCurToken.aText.AssignAscii( "#" );
867 						}
868 					}
869 					break;
870 				case '&':
871 					{
872                         m_aCurToken.eType    = TAND;
873                         m_aCurToken.cMathChar = MS_AND;
874                         m_aCurToken.nGroup       = TGPRODUCT;
875                         m_aCurToken.nLevel       = 0;
876                         m_aCurToken.aText.AssignAscii( "&" );
877 					}
878 					break;
879 				case '(':
880 					{
881                         m_aCurToken.eType    = TLPARENT;
882                         m_aCurToken.cMathChar = MS_LPARENT;
883                         m_aCurToken.nGroup       = TGLBRACES;
884                         m_aCurToken.nLevel       = 5;     //! 0 to continue expression
885                         m_aCurToken.aText.AssignAscii( "(" );
886 					}
887 					break;
888 				case ')':
889 					{
890                         m_aCurToken.eType    = TRPARENT;
891                         m_aCurToken.cMathChar = MS_RPARENT;
892                         m_aCurToken.nGroup       = TGRBRACES;
893                         m_aCurToken.nLevel       = 0;     //! 0 to terminate expression
894                         m_aCurToken.aText.AssignAscii( ")" );
895 					}
896 					break;
897 				case '*':
898 					{
899                         m_aCurToken.eType    = TMULTIPLY;
900                         m_aCurToken.cMathChar = MS_MULTIPLY;
901                         m_aCurToken.nGroup       = TGPRODUCT;
902                         m_aCurToken.nLevel       = 0;
903                         m_aCurToken.aText.AssignAscii( "*" );
904 					}
905 					break;
906 				case '+':
907 					{
908                         if (m_aBufferString.Copy( nRealStart, 2 ).
909 								EqualsAscii( "+-" ))
910 						{
911                             m_aCurToken.eType    = TPLUSMINUS;
912                             m_aCurToken.cMathChar = MS_PLUSMINUS;
913                             m_aCurToken.nGroup       = TGUNOPER | TGSUM;
914                             m_aCurToken.nLevel       = 5;
915                             m_aCurToken.aText.AssignAscii( "+-" );
916 
917 							rnEndPos = nRealStart + 2;
918 						}
919 						else
920 						{
921                             m_aCurToken.eType    = TPLUS;
922                             m_aCurToken.cMathChar = MS_PLUS;
923                             m_aCurToken.nGroup       = TGUNOPER | TGSUM;
924                             m_aCurToken.nLevel       = 5;
925                             m_aCurToken.aText.AssignAscii( "+" );
926 						}
927 					}
928 					break;
929 				case '-':
930 					{
931                         if (m_aBufferString.Copy( nRealStart, 2 ).
932 								EqualsAscii( "-+" ))
933 						{
934                             m_aCurToken.eType    = TMINUSPLUS;
935                             m_aCurToken.cMathChar = MS_MINUSPLUS;
936                             m_aCurToken.nGroup       = TGUNOPER | TGSUM;
937                             m_aCurToken.nLevel       = 5;
938                             m_aCurToken.aText.AssignAscii( "-+" );
939 
940 							rnEndPos = nRealStart + 2;
941 						}
942 						else
943 						{
944                             m_aCurToken.eType    = TMINUS;
945                             m_aCurToken.cMathChar = MS_MINUS;
946                             m_aCurToken.nGroup       = TGUNOPER | TGSUM;
947                             m_aCurToken.nLevel       = 5;
948                             m_aCurToken.aText.AssignAscii( "-" );
949 						}
950 					}
951 					break;
952 				case '.':
953 					{
954                         // for compatibility with SO5.2
955                         // texts like .34 ...56 ... h ...78..90
956                         // will be treated as numbers
957                         m_aCurToken.eType     = TNUMBER;
958                         m_aCurToken.cMathChar = '\0';
959                         m_aCurToken.nGroup       = 0;
960                         m_aCurToken.nLevel    = 5;
961 
962                         xub_StrLen nTxtStart = m_nBufferIndex;
963                         sal_Unicode cChar;
964                         do
965                         {
966                             cChar = m_aBufferString.GetChar( ++m_nBufferIndex );
967                         }
968                         while ( cChar == '.' || IsDigit( cChar ) );
969 
970                         m_aCurToken.aText = m_aBufferString.Copy( sal::static_int_cast< xub_StrLen >(nTxtStart),
971                                                             sal::static_int_cast< xub_StrLen >(m_nBufferIndex - nTxtStart) );
972                         aRes.EndPos = m_nBufferIndex;
973 					}
974 					break;
975 				case '/':
976 					{
977                         m_aCurToken.eType    = TDIVIDEBY;
978                         m_aCurToken.cMathChar = MS_SLASH;
979                         m_aCurToken.nGroup       = TGPRODUCT;
980                         m_aCurToken.nLevel       = 0;
981                         m_aCurToken.aText.AssignAscii( "/" );
982 					}
983 					break;
984 				case '=':
985 					{
986                         m_aCurToken.eType    = TASSIGN;
987                         m_aCurToken.cMathChar = MS_ASSIGN;
988                         m_aCurToken.nGroup       = TGRELATION;
989                         m_aCurToken.nLevel       = 0;
990                         m_aCurToken.aText.AssignAscii( "=" );
991 					}
992 					break;
993 				default:
994 					bHandled = sal_False;
995 			}
996 		}
997 	}
998 	else
999 		bHandled = sal_False;
1000 
1001 	if (!bHandled)
1002 	{
1003         m_aCurToken.eType      = TCHARACTER;
1004         m_aCurToken.cMathChar  = '\0';
1005         m_aCurToken.nGroup     = 0;
1006         m_aCurToken.nLevel     = 5;
1007         m_aCurToken.aText      = m_aBufferString.Copy( nRealStart, 1 );
1008 
1009 		aRes.EndPos = nRealStart + 1;
1010 	}
1011 
1012     if (TEND != m_aCurToken.eType)
1013         m_nBufferIndex = sal::static_int_cast< xub_StrLen >(aRes.EndPos);
1014 }
1015 
1016 
1017 ////////////////////////////////////////
1018 // grammar
1019 //
1020 
1021 
1022 void SmParser::Table()
1023 {
1024 	SmNodeArray  LineArray;
1025 
1026 	Line();
1027     while (m_aCurToken.eType == TNEWLINE)
1028 	{
1029 		NextToken();
1030 		Line();
1031 	}
1032 
1033     if (m_aCurToken.eType != TEND)
1034 		Error(PE_UNEXPECTED_CHAR);
1035 
1036     sal_uLong n = m_aNodeStack.Count();
1037 
1038     LineArray.resize(n);
1039 
1040 	for (sal_uLong i = 0; i < n; i++)
1041         LineArray[n - (i + 1)] = m_aNodeStack.Pop();
1042 
1043     SmStructureNode *pSNode = new SmTableNode(m_aCurToken);
1044 	pSNode->SetSubNodes(LineArray);
1045     m_aNodeStack.Push(pSNode);
1046 }
1047 
1048 
1049 void SmParser::Align()
1050 	// parse alignment info (if any), then go on with rest of expression
1051 {
1052 	SmStructureNode *pSNode = 0;
1053 	sal_Bool    bNeedGroupClose = sal_False;
1054 
1055 	if (TokenInGroup(TGALIGN))
1056 	{
1057         if (CONVERT_40_TO_50 == GetConversion())
1058 			// encapsulate expression to be aligned in group braces
1059 			// (here group-open brace)
1060 		{	Insert('{', GetTokenIndex());
1061 			bNeedGroupClose = sal_True;
1062 
1063 			// get first valid align statement in sequence
1064 			// (the dominant one in 4.0) and erase all others (especially old
1065 			// discarded tokens) from command string.
1066 			while (TokenInGroup(TGALIGN))
1067             {
1068                 if (TokenInGroup(TGDISCARDED) || pSNode)
1069                 {
1070                     m_nBufferIndex = GetTokenIndex();
1071                     m_aBufferString.Erase(m_nBufferIndex, m_aCurToken.aText.Len());
1072 				}
1073 				else
1074                     pSNode = new SmAlignNode(m_aCurToken);
1075 
1076 				NextToken();
1077 			}
1078 		}
1079 		else
1080 		{
1081             pSNode = new SmAlignNode(m_aCurToken);
1082 
1083 			NextToken();
1084 
1085 			// allow for just one align statement in 5.0
1086             if (CONVERT_40_TO_50 != GetConversion() && TokenInGroup(TGALIGN))
1087 			{	Error(PE_DOUBLE_ALIGN);
1088 				return;
1089 			}
1090 		}
1091 	}
1092 
1093 	Expression();
1094 
1095 	if (bNeedGroupClose)
1096 		Insert('}', GetTokenIndex());
1097 
1098 	if (pSNode)
1099     {   pSNode->SetSubNodes(m_aNodeStack.Pop(), 0);
1100         m_aNodeStack.Push(pSNode);
1101 	}
1102 }
1103 
1104 
1105 void SmParser::Line()
1106 {
1107 	sal_uInt16  n = 0;
1108 	SmNodeArray  ExpressionArray;
1109 
1110     ExpressionArray.resize(n);
1111 
1112 	// start with single expression that may have an alignment statement
1113 	// (and go on with expressions that must not have alignment
1114 	// statements in 'while' loop below. See also 'Expression()'.)
1115     if (m_aCurToken.eType != TEND  &&  m_aCurToken.eType != TNEWLINE)
1116 	{	Align();
1117         ExpressionArray.resize(++n);
1118         ExpressionArray[n - 1] = m_aNodeStack.Pop();
1119 	}
1120 
1121     while (m_aCurToken.eType != TEND  &&  m_aCurToken.eType != TNEWLINE)
1122     {   if (CONVERT_40_TO_50 != GetConversion())
1123 			Expression();
1124 		else
1125 			Align();
1126         ExpressionArray.resize(++n);
1127         ExpressionArray[n - 1] = m_aNodeStack.Pop();
1128 	}
1129 
1130     SmStructureNode *pSNode = new SmLineNode(m_aCurToken);
1131 	pSNode->SetSubNodes(ExpressionArray);
1132     m_aNodeStack.Push(pSNode);
1133 }
1134 
1135 
1136 void SmParser::Expression()
1137 {
1138 	sal_Bool bUseExtraSpaces = sal_True;
1139     SmNode *pNode = m_aNodeStack.Pop();
1140 	if (pNode)
1141     {
1142 		if (pNode->GetToken().eType == TNOSPACE)
1143 			bUseExtraSpaces = sal_False;
1144 		else
1145             m_aNodeStack.Push(pNode);  // push the node from above again (now to be used as argument to this current 'nospace' node)
1146     }
1147 
1148 	sal_uInt16		 n = 0;
1149 	SmNodeArray  RelationArray;
1150 
1151     RelationArray.resize(n);
1152 
1153 	Relation();
1154     RelationArray.resize(++n);
1155     RelationArray[n - 1] = m_aNodeStack.Pop();
1156 
1157     while (m_aCurToken.nLevel >= 4)
1158 	{	Relation();
1159         RelationArray.resize(++n);
1160         RelationArray[n - 1] = m_aNodeStack.Pop();
1161 	}
1162 
1163     SmExpressionNode *pSNode = new SmExpressionNode(m_aCurToken);
1164 	pSNode->SetSubNodes(RelationArray);
1165 	pSNode->SetUseExtraSpaces(bUseExtraSpaces);
1166     m_aNodeStack.Push(pSNode);
1167 }
1168 
1169 
1170 void SmParser::Relation()
1171 {
1172 	Sum();
1173 	while (TokenInGroup(TGRELATION))
1174 	{
1175         SmStructureNode *pSNode  = new SmBinHorNode(m_aCurToken);
1176         SmNode *pFirst = m_aNodeStack.Pop();
1177 
1178 		OpSubSup();
1179         SmNode *pSecond = m_aNodeStack.Pop();
1180 
1181 		Sum();
1182 
1183         pSNode->SetSubNodes(pFirst, pSecond, m_aNodeStack.Pop());
1184         m_aNodeStack.Push(pSNode);
1185 	}
1186 }
1187 
1188 
1189 void SmParser::Sum()
1190 {
1191 	Product();
1192 	while (TokenInGroup(TGSUM))
1193 	{
1194         SmStructureNode *pSNode  = new SmBinHorNode(m_aCurToken);
1195         SmNode *pFirst = m_aNodeStack.Pop();
1196 
1197 		OpSubSup();
1198         SmNode *pSecond = m_aNodeStack.Pop();
1199 
1200 		Product();
1201 
1202         pSNode->SetSubNodes(pFirst, pSecond, m_aNodeStack.Pop());
1203         m_aNodeStack.Push(pSNode);
1204 	}
1205 }
1206 
1207 
1208 void SmParser::Product()
1209 {
1210 	Power();
1211 
1212 	while (TokenInGroup(TGPRODUCT))
1213 	{	SmStructureNode *pSNode;
1214         SmNode *pFirst = m_aNodeStack.Pop(),
1215 			   *pOper;
1216 		sal_Bool bSwitchArgs = sal_False;
1217 
1218         SmTokenType eType = m_aCurToken.eType;
1219 		switch (eType)
1220 		{
1221 			case TOVER:
1222                 pSNode = new SmBinVerNode(m_aCurToken);
1223                 pOper = new SmRectangleNode(m_aCurToken);
1224 				NextToken();
1225 				break;
1226 
1227 			case TBOPER:
1228                 pSNode = new SmBinHorNode(m_aCurToken);
1229 
1230 				NextToken();
1231 
1232 				GlyphSpecial();
1233                 pOper = m_aNodeStack.Pop();
1234 				break;
1235 
1236 			case TOVERBRACE :
1237 			case TUNDERBRACE :
1238                 pSNode = new SmVerticalBraceNode(m_aCurToken);
1239                 pOper = new SmMathSymbolNode(m_aCurToken);
1240 
1241 				NextToken();
1242 				break;
1243 
1244 			case TWIDEBACKSLASH:
1245 			case TWIDESLASH:
1246 			{
1247                 SmBinDiagonalNode *pSTmp = new SmBinDiagonalNode(m_aCurToken);
1248 				pSTmp->SetAscending(eType == TWIDESLASH);
1249 				pSNode = pSTmp;
1250 
1251                 pOper = new SmPolyLineNode(m_aCurToken);
1252 				NextToken();
1253 
1254 				bSwitchArgs =sal_True;
1255 				break;
1256 			}
1257 
1258 			default:
1259                 pSNode = new SmBinHorNode(m_aCurToken);
1260 
1261 				OpSubSup();
1262                 pOper = m_aNodeStack.Pop();
1263 		}
1264 
1265 		Power();
1266 
1267 		if (bSwitchArgs)
1268 			//! vgl siehe SmBinDiagonalNode::Arrange
1269             pSNode->SetSubNodes(pFirst, m_aNodeStack.Pop(), pOper);
1270 		else
1271             pSNode->SetSubNodes(pFirst, pOper, m_aNodeStack.Pop());
1272         m_aNodeStack.Push(pSNode);
1273 	}
1274 }
1275 
1276 
1277 void SmParser::SubSup(sal_uLong nActiveGroup)
1278 {
1279 	DBG_ASSERT(nActiveGroup == TGPOWER  ||  nActiveGroup == TGLIMIT,
1280 			   "Sm: falsche Tokengruppe");
1281 
1282 	if (!TokenInGroup(nActiveGroup))
1283 		// already finish
1284 		return;
1285 
1286     SmSubSupNode *pNode = new SmSubSupNode(m_aCurToken);
1287     //! Of course 'm_aCurToken' is just the first sub-/supscript token.
1288 	//! It should be of no further interest. The positions of the
1289 	//! sub-/supscripts will be identified by the corresponding subnodes
1290 	//! index in the 'aSubNodes' array (enum value from 'SmSubSup').
1291 
1292 	pNode->SetUseLimits(nActiveGroup == TGLIMIT);
1293 
1294 	// initialize subnodes array
1295 	SmNodeArray  aSubNodes;
1296     aSubNodes.resize(1 + SUBSUP_NUM_ENTRIES);
1297     aSubNodes[0] = m_aNodeStack.Pop();
1298     for (sal_uInt16 i = 1;  i < aSubNodes.size();  i++)
1299         aSubNodes[i] = NULL;
1300 
1301 	// process all sub-/supscripts
1302     int  nIndex = 0;
1303 	while (TokenInGroup(nActiveGroup))
1304     {   SmTokenType  eType (m_aCurToken.eType);
1305 
1306 		// skip sub-/supscript token
1307 		NextToken();
1308 
1309 		// get sub-/supscript node on top of stack
1310 		if (eType == TFROM  ||  eType == TTO)
1311 		{
1312 			// parse limits in old 4.0 and 5.0 style
1313 			Relation();
1314 		}
1315 		else
1316 			Term();
1317 
1318 		switch (eType)
1319 		{	case TRSUB :	nIndex = (int) RSUB;	break;
1320 			case TRSUP :	nIndex = (int) RSUP;	break;
1321 			case TFROM :
1322 			case TCSUB :	nIndex = (int) CSUB;	break;
1323 			case TTO :
1324 			case TCSUP :	nIndex = (int) CSUP;	break;
1325 			case TLSUB :	nIndex = (int) LSUB;	break;
1326 			case TLSUP :	nIndex = (int) LSUP;	break;
1327 			default :
1328 				DBG_ASSERT(sal_False, "Sm: unbekannter Fall");
1329 		}
1330 		nIndex++;
1331 		DBG_ASSERT(1 <= nIndex	&&	nIndex <= 1 + SUBSUP_NUM_ENTRIES,
1332 				   "SmParser::Power() : sub-/supscript index falsch");
1333 
1334 		// set sub-/supscript if not already done
1335         if (aSubNodes[nIndex] != NULL)
1336 			Error(PE_DOUBLE_SUBSUPSCRIPT);
1337         aSubNodes[nIndex] = m_aNodeStack.Pop();
1338 	}
1339 
1340 	pNode->SetSubNodes(aSubNodes);
1341     m_aNodeStack.Push(pNode);
1342 }
1343 
1344 
1345 void SmParser::OpSubSup()
1346 {
1347 	// push operator symbol
1348     m_aNodeStack.Push(new SmMathSymbolNode(m_aCurToken));
1349 	// skip operator token
1350 	NextToken();
1351 	// get sub- supscripts if any
1352 	if (TokenInGroup(TGPOWER))
1353 		SubSup(TGPOWER);
1354 }
1355 
1356 
1357 void SmParser::Power()
1358 {
1359 	// get body for sub- supscripts on top of stack
1360 	Term();
1361 
1362 	SubSup(TGPOWER);
1363 }
1364 
1365 
1366 void SmParser::Blank()
1367 {
1368 	DBG_ASSERT(TokenInGroup(TGBLANK), "Sm : falsches Token");
1369     SmBlankNode *pBlankNode = new SmBlankNode(m_aCurToken);
1370 
1371 	while (TokenInGroup(TGBLANK))
1372 	{
1373         pBlankNode->IncreaseBy(m_aCurToken);
1374 		NextToken();
1375 	}
1376 
1377 	// Blanks am Zeilenende ignorieren wenn die entsprechende Option gesetzt ist
1378     if ( m_aCurToken.eType == TNEWLINE ||
1379              (m_aCurToken.eType == TEND && SM_MOD()->GetConfig()->IsIgnoreSpacesRight()) )
1380 	{
1381 		pBlankNode->Clear();
1382 	}
1383 
1384     m_aNodeStack.Push(pBlankNode);
1385 }
1386 
1387 
1388 void SmParser::Term()
1389 {
1390     switch (m_aCurToken.eType)
1391 	{
1392         case TESCAPE :
1393 			Escape();
1394 			break;
1395 
1396         case TNOSPACE :
1397         case TLGROUP :
1398         {
1399             bool bNoSpace = m_aCurToken.eType == TNOSPACE;
1400             if (bNoSpace)   // push 'no space' node and continue to parse expression
1401             {
1402                 m_aNodeStack.Push(new SmExpressionNode(m_aCurToken));
1403                 NextToken();
1404             }
1405             if (m_aCurToken.eType != TLGROUP)
1406             {
1407                 m_aNodeStack.Pop();    // get rid of the 'no space' node pushed above
1408                 Term();
1409             }
1410             else
1411             {
1412                 NextToken();
1413 
1414                 // allow for empty group
1415                 if (m_aCurToken.eType == TRGROUP)
1416                 {
1417                     if (bNoSpace)   // get rid of the 'no space' node pushed above
1418                         m_aNodeStack.Pop();
1419                     SmStructureNode *pSNode = new SmExpressionNode(m_aCurToken);
1420                     pSNode->SetSubNodes(NULL, NULL);
1421                     m_aNodeStack.Push(pSNode);
1422 
1423                     NextToken();
1424                 }
1425                 else    // go as usual
1426                 {
1427                     Align();
1428                     if (m_aCurToken.eType != TRGROUP)
1429                         Error(PE_RGROUP_EXPECTED);
1430                     else
1431                         NextToken();
1432                 }
1433             }
1434         }
1435         break;
1436 
1437 		case TLEFT :
1438 			Brace();
1439 			break;
1440 
1441 		case TBLANK :
1442 		case TSBLANK :
1443 			Blank();
1444 			break;
1445 
1446 		case TTEXT :
1447             m_aNodeStack.Push(new SmTextNode(m_aCurToken, FNT_TEXT));
1448 			NextToken();
1449 			break;
1450 		case TIDENT :
1451 		case TCHARACTER :
1452             m_aNodeStack.Push(new SmTextNode(m_aCurToken, FNT_VARIABLE));
1453 			NextToken();
1454 			break;
1455 		case TNUMBER :
1456             m_aNodeStack.Push(new SmTextNode(m_aCurToken, FNT_NUMBER));
1457 			NextToken();
1458 			break;
1459 
1460 		case TLEFTARROW :
1461 		case TRIGHTARROW :
1462 		case TUPARROW :
1463 		case TDOWNARROW :
1464 		case TSETN :
1465 		case TSETZ :
1466 		case TSETQ :
1467 		case TSETR :
1468 		case TSETC :
1469 		case THBAR :
1470 		case TLAMBDABAR :
1471 		case TCIRC :
1472 		case TDRARROW :
1473 		case TDLARROW :
1474 		case TDLRARROW :
1475 		case TBACKEPSILON :
1476 		case TALEPH :
1477 		case TIM :
1478 		case TRE :
1479 		case TWP :
1480 		case TEMPTYSET :
1481 		case TINFINITY :
1482 		case TEXISTS :
1483 		case TFORALL :
1484 		case TPARTIAL :
1485 		case TNABLA :
1486 		case TTOWARD :
1487 		case TDOTSAXIS :
1488 		case TDOTSDIAG :
1489 		case TDOTSDOWN :
1490 		case TDOTSLOW :
1491 		case TDOTSUP :
1492 		case TDOTSVERT :
1493             m_aNodeStack.Push(new SmMathSymbolNode(m_aCurToken));
1494 			NextToken();
1495 			break;
1496 
1497 		case TPLACE:
1498             m_aNodeStack.Push(new SmPlaceNode(m_aCurToken));
1499 			NextToken();
1500 			break;
1501 
1502 		case TSPECIAL:
1503 			Special();
1504 			break;
1505 
1506 		case TBINOM:
1507 			Binom();
1508 			break;
1509 
1510 		case TSTACK:
1511 			Stack();
1512 			break;
1513 
1514 		case TMATRIX:
1515 			Matrix();
1516 			break;
1517 
1518 		default:
1519 			if (TokenInGroup(TGLBRACES))
1520 			{	Brace();
1521 			}
1522 			else if (TokenInGroup(TGOPER))
1523 			{	Operator();
1524 			}
1525 			else if (TokenInGroup(TGUNOPER))
1526 			{	UnOper();
1527 			}
1528 			else if (    TokenInGroup(TGATTRIBUT)
1529 					 ||  TokenInGroup(TGFONTATTR))
1530 			{	SmStructureNodeArray  aArray;
1531 
1532 				sal_Bool    bIsAttr;
1533 				sal_uInt16  n = 0;
1534                 while (sal_True == (bIsAttr = TokenInGroup(TGATTRIBUT))
1535 					   ||  TokenInGroup(TGFONTATTR))
1536                 {   aArray.resize(n + 1);
1537 
1538 					if (bIsAttr)
1539 						Attribut();
1540 					else
1541 						FontAttribut();
1542 
1543 					// check if casting in following line is ok
1544                     DBG_ASSERT(!m_aNodeStack.Top()->IsVisible(), "Sm : Ooops...");
1545 
1546                     aArray[n] = (SmStructureNode *) m_aNodeStack.Pop();
1547 					n++;
1548 				}
1549 
1550 				Power();
1551 
1552                 SmNode *pFirstNode = m_aNodeStack.Pop();
1553 				while (n > 0)
1554                 {   aArray[n - 1]->SetSubNodes(0, pFirstNode);
1555                     pFirstNode = aArray[n - 1];
1556 					n--;
1557 				}
1558                 m_aNodeStack.Push(pFirstNode);
1559 			}
1560 			else if (TokenInGroup(TGFUNCTION))
1561             {   if (CONVERT_40_TO_50 != GetConversion())
1562 				{	Function();
1563 				}
1564 				else	// encapsulate old 4.0 style parsing in braces
1565 				{
1566 					// insert opening brace
1567 					Insert('{', GetTokenIndex());
1568 
1569 					//
1570 					// parse in 4.0 style
1571 					//
1572 					Function();
1573 
1574                     SmNode *pFunc = m_aNodeStack.Pop();
1575 
1576                     if (m_aCurToken.eType == TLPARENT)
1577 					{	Term();
1578 					}
1579 					else
1580 					{	Align();
1581 					}
1582 
1583 					// insert closing brace
1584 					Insert('}', GetTokenIndex());
1585 
1586 					SmStructureNode *pSNode = new SmExpressionNode(pFunc->GetToken());
1587                     pSNode->SetSubNodes(pFunc, m_aNodeStack.Pop());
1588                     m_aNodeStack.Push(pSNode);
1589 				}
1590 			}
1591 			else
1592 				Error(PE_UNEXPECTED_CHAR);
1593 	}
1594 }
1595 
1596 
1597 void SmParser::Escape()
1598 {
1599 	NextToken();
1600 
1601 	sal_Unicode	cChar;
1602     switch (m_aCurToken.eType)
1603 	{	case TLPARENT :		cChar = MS_LPARENT;		break;
1604 		case TRPARENT :		cChar = MS_RPARENT;		break;
1605 		case TLBRACKET :	cChar = MS_LBRACKET;	break;
1606 		case TRBRACKET :	cChar = MS_RBRACKET;	break;
1607         case TLDBRACKET :   cChar = MS_LDBRACKET;   break;
1608         case TRDBRACKET :   cChar = MS_RDBRACKET;   break;
1609 		case TLBRACE :
1610 		case TLGROUP :		cChar = MS_LBRACE;		break;
1611 		case TRBRACE :
1612 		case TRGROUP :		cChar = MS_RBRACE;		break;
1613 		case TLANGLE :		cChar = MS_LANGLE;		break;
1614 		case TRANGLE :		cChar = MS_RANGLE;		break;
1615 		case TLCEIL :		cChar = MS_LCEIL;		break;
1616 		case TRCEIL :		cChar = MS_RCEIL;		break;
1617 		case TLFLOOR :		cChar = MS_LFLOOR;		break;
1618 		case TRFLOOR :		cChar = MS_RFLOOR;		break;
1619 		case TLLINE :
1620 		case TRLINE :		cChar = MS_LINE;		break;
1621 		case TLDLINE :
1622 		case TRDLINE :		cChar = MS_DLINE;		break;
1623 		default:
1624 			Error(PE_UNEXPECTED_TOKEN);
1625 	}
1626 
1627     SmNode *pNode = new SmMathSymbolNode(m_aCurToken);
1628     m_aNodeStack.Push(pNode);
1629 
1630 	NextToken();
1631 }
1632 
1633 
1634 void SmParser::Operator()
1635 {
1636 	if (TokenInGroup(TGOPER))
1637     {   SmStructureNode *pSNode = new SmOperNode(m_aCurToken);
1638 
1639 		// put operator on top of stack
1640 		Oper();
1641 
1642 		if (TokenInGroup(TGLIMIT) || TokenInGroup(TGPOWER))
1643             SubSup(m_aCurToken.nGroup);
1644         SmNode *pOperator = m_aNodeStack.Pop();
1645 
1646 		// get argument
1647 		Power();
1648 
1649         pSNode->SetSubNodes(pOperator, m_aNodeStack.Pop());
1650         m_aNodeStack.Push(pSNode);
1651 	}
1652 }
1653 
1654 
1655 void SmParser::Oper()
1656 {
1657     SmTokenType  eType (m_aCurToken.eType);
1658 	SmNode      *pNode = NULL;
1659 
1660 	switch (eType)
1661 	{
1662 		case TSUM :
1663 		case TPROD :
1664 		case TCOPROD :
1665 		case TINT :
1666 		case TIINT :
1667 		case TIIINT :
1668 		case TLINT :
1669 		case TLLINT :
1670 		case TLLLINT :
1671             pNode = new SmMathSymbolNode(m_aCurToken);
1672 			break;
1673 
1674 		case TLIM :
1675 		case TLIMSUP :
1676 		case TLIMINF :
1677 			{
1678 				const sal_Char* pLim = 0;
1679 				switch (eType)
1680 				{
1681 					case TLIM :		pLim = "lim";		break;
1682 					case TLIMSUP :  pLim = "lim sup";	break;
1683 					case TLIMINF :  pLim = "lim inf";	break;
1684                     default:
1685                         break;
1686 				}
1687 				if( pLim )
1688                     m_aCurToken.aText.AssignAscii( pLim );
1689                 pNode = new SmTextNode(m_aCurToken, FNT_TEXT);
1690 			}
1691 			break;
1692 
1693 		case TOVERBRACE :
1694 		case TUNDERBRACE :
1695                 pNode = new SmMathSymbolNode(m_aCurToken);
1696 			break;
1697 
1698 		case TOPER :
1699 			NextToken();
1700 
1701             DBG_ASSERT(m_aCurToken.eType == TSPECIAL, "Sm: falsches Token");
1702             pNode = new SmGlyphSpecialNode(m_aCurToken);
1703 			break;
1704 
1705 		default :
1706 			DBG_ASSERT(0, "Sm: unbekannter Fall");
1707 	}
1708     m_aNodeStack.Push(pNode);
1709 
1710 	NextToken();
1711 }
1712 
1713 
1714 void SmParser::UnOper()
1715 {
1716 	DBG_ASSERT(TokenInGroup(TGUNOPER), "Sm: falsches Token");
1717 
1718     SmToken      aNodeToken = m_aCurToken;
1719     SmTokenType  eType      = m_aCurToken.eType;
1720     sal_Bool	 bIsPostfix = eType == TFACT;
1721 
1722     SmStructureNode *pSNode;
1723     SmNode *pOper   = 0,
1724            *pExtra  = 0,
1725 		   *pArg;
1726 
1727 	switch (eType)
1728 	{
1729 		case TABS :
1730 		case TSQRT :
1731 			NextToken();
1732 			break;
1733 
1734 		case TNROOT :
1735 			NextToken();
1736 			Power();
1737             pExtra = m_aNodeStack.Pop();
1738 			break;
1739 
1740 		case TUOPER :
1741 			NextToken();
1742 			GlyphSpecial();
1743             pOper = m_aNodeStack.Pop();
1744 			break;
1745 
1746 		case TPLUS :
1747 		case TMINUS :
1748 		case TPLUSMINUS :
1749 		case TMINUSPLUS :
1750 		case TNEG :
1751 		case TFACT :
1752 			OpSubSup();
1753             pOper = m_aNodeStack.Pop();
1754 			break;
1755 
1756 		default :
1757 			Error(PE_UNOPER_EXPECTED);
1758 	}
1759 
1760 	// get argument
1761 	Power();
1762     pArg = m_aNodeStack.Pop();
1763 
1764 	if (eType == TABS)
1765 	{	pSNode = new SmBraceNode(aNodeToken);
1766 		pSNode->SetScaleMode(SCALE_HEIGHT);
1767 
1768 		// build nodes for left & right lines
1769 		// (text, group, level of the used token are of no interrest here)
1770 		// we'll use row & column of the keyword for abs
1771 		aNodeToken.eType = TABS;
1772 		//
1773 		aNodeToken.cMathChar = MS_LINE;
1774 		SmNode* pLeft = new SmMathSymbolNode(aNodeToken);
1775 		//
1776 		aNodeToken.cMathChar = MS_LINE;
1777 		SmNode* pRight = new SmMathSymbolNode(aNodeToken);
1778 
1779 		pSNode->SetSubNodes(pLeft, pArg, pRight);
1780 	}
1781 	else if (eType == TSQRT  ||  eType == TNROOT)
1782 	{	pSNode = new SmRootNode(aNodeToken);
1783 		pOper = new SmRootSymbolNode(aNodeToken);
1784 		pSNode->SetSubNodes(pExtra, pOper, pArg);
1785 	}
1786 	else
1787 	{	pSNode = new SmUnHorNode(aNodeToken);
1788 
1789 		if (bIsPostfix)
1790 			pSNode->SetSubNodes(pArg, pOper);
1791 		else
1792 			// prefix operator
1793 			pSNode->SetSubNodes(pOper, pArg);
1794 	}
1795 
1796     m_aNodeStack.Push(pSNode);
1797 }
1798 
1799 
1800 void SmParser::Attribut()
1801 {
1802 	DBG_ASSERT(TokenInGroup(TGATTRIBUT), "Sm: falsche Tokengruppe");
1803 
1804     SmStructureNode *pSNode = new SmAttributNode(m_aCurToken);
1805 	SmNode		*pAttr;
1806 	SmScaleMode  eScaleMode = SCALE_NONE;
1807 
1808 	// get appropriate node for the attribut itself
1809     switch (m_aCurToken.eType)
1810 	{	case TUNDERLINE :
1811 		case TOVERLINE :
1812 		case TOVERSTRIKE :
1813             pAttr = new SmRectangleNode(m_aCurToken);
1814 			eScaleMode = SCALE_WIDTH;
1815 			break;
1816 
1817 		case TWIDEVEC :
1818 		case TWIDEHAT :
1819 		case TWIDETILDE :
1820             pAttr = new SmMathSymbolNode(m_aCurToken);
1821 			eScaleMode = SCALE_WIDTH;
1822 			break;
1823 
1824 		default :
1825             pAttr = new SmMathSymbolNode(m_aCurToken);
1826 	}
1827 
1828 	NextToken();
1829 
1830 	pSNode->SetSubNodes(pAttr, 0);
1831 	pSNode->SetScaleMode(eScaleMode);
1832     m_aNodeStack.Push(pSNode);
1833 }
1834 
1835 
1836 void SmParser::FontAttribut()
1837 {
1838 	DBG_ASSERT(TokenInGroup(TGFONTATTR), "Sm: falsche Tokengruppe");
1839 
1840     switch (m_aCurToken.eType)
1841 	{
1842 		case TITALIC :
1843 		case TNITALIC :
1844 		case TBOLD :
1845 		case TNBOLD :
1846 		case TPHANTOM :
1847             m_aNodeStack.Push(new SmFontNode(m_aCurToken));
1848 			NextToken();
1849 			break;
1850 
1851 		case TSIZE :
1852 			FontSize();
1853 			break;
1854 
1855 		case TFONT :
1856 			Font();
1857 			break;
1858 
1859 		case TCOLOR :
1860 			Color();
1861 			break;
1862 
1863 		default :
1864 			DBG_ASSERT(0, "Sm: unbekannter Fall");
1865 	}
1866 }
1867 
1868 
1869 void SmParser::Color()
1870 {
1871     DBG_ASSERT(m_aCurToken.eType == TCOLOR, "Sm : Ooops...");
1872 
1873 	// last color rules, get that one
1874 	SmToken  aToken;
1875 	do
1876 	{	NextToken();
1877 
1878 		if (TokenInGroup(TGCOLOR))
1879         {   aToken = m_aCurToken;
1880 			NextToken();
1881 		}
1882 		else
1883 			Error(PE_COLOR_EXPECTED);
1884     } while (m_aCurToken.eType == TCOLOR);
1885 
1886     m_aNodeStack.Push(new SmFontNode(aToken));
1887 }
1888 
1889 
1890 void SmParser::Font()
1891 {
1892     DBG_ASSERT(m_aCurToken.eType == TFONT, "Sm : Ooops...");
1893 
1894 	// last font rules, get that one
1895 	SmToken  aToken;
1896 	do
1897 	{	NextToken();
1898 
1899 		if (TokenInGroup(TGFONT))
1900         {   aToken = m_aCurToken;
1901 			NextToken();
1902 		}
1903 		else
1904 			Error(PE_FONT_EXPECTED);
1905     } while (m_aCurToken.eType == TFONT);
1906 
1907     m_aNodeStack.Push(new SmFontNode(aToken));
1908 }
1909 
1910 
1911 // gets number used as arguments in Math formulas (e.g. 'size' command)
1912 // Format: no negative numbers, must start with a digit, no exponent notation, ...
1913 sal_Bool lcl_IsNumber(const UniString& rText)
1914 {
1915 	sal_Bool bPoint = sal_False;
1916 	const sal_Unicode* pBuffer = rText.GetBuffer();
1917 	for(xub_StrLen nPos = 0; nPos < rText.Len(); nPos++, pBuffer++)
1918 	{
1919 		const sal_Unicode cChar = *pBuffer;
1920 		if(cChar == '.')
1921 		{
1922 			if(bPoint)
1923 				return sal_False;
1924 			else
1925 				bPoint = sal_True;
1926 		}
1927         else if ( !IsDigit( cChar ) )
1928 			return sal_False;
1929 	}
1930 	return sal_True;
1931 }
1932 
1933 void SmParser::FontSize()
1934 {
1935     DBG_ASSERT(m_aCurToken.eType == TSIZE, "Sm : Ooops...");
1936 
1937     sal_uInt16   Type;
1938     SmFontNode *pFontNode = new SmFontNode(m_aCurToken);
1939 
1940 	NextToken();
1941 
1942     switch (m_aCurToken.eType)
1943 	{
1944 		case TNUMBER:	Type = FNTSIZ_ABSOLUT;	break;
1945 		case TPLUS:		Type = FNTSIZ_PLUS;		break;
1946 		case TMINUS:	Type = FNTSIZ_MINUS;	break;
1947 		case TMULTIPLY:	Type = FNTSIZ_MULTIPLY;	break;
1948 		case TDIVIDEBY:	Type = FNTSIZ_DIVIDE;	break;
1949 
1950 		default:
1951 			delete pFontNode;
1952 			Error(PE_SIZE_EXPECTED);
1953 			return;
1954 	}
1955 
1956 	if (Type != FNTSIZ_ABSOLUT)
1957 	{
1958 		NextToken();
1959         if (m_aCurToken.eType != TNUMBER)
1960 		{
1961 			delete pFontNode;
1962 			Error(PE_SIZE_EXPECTED);
1963 			return;
1964 		}
1965 	}
1966 
1967 	// get number argument
1968 	Fraction  aValue( 1L );
1969     if (lcl_IsNumber( m_aCurToken.aText ))
1970     {
1971         double    fTmp;
1972         if ((fTmp = m_aCurToken.aText.ToDouble()) != 0.0)
1973         {
1974             aValue = fTmp;
1975 
1976             //!! keep the numerator and denominator from being to large
1977             //!! otherwise ongoing multiplications may result in overflows
1978             //!! (for example in SmNode::SetFontSize the font size calculated
1979             //!! may become 0 because of this!!! Happens e.g. for ftmp = 2.9 with Linux
1980             //!! or ftmp = 1.11111111111111111... (11/9) on every platform.)
1981             if (aValue.GetDenominator() > 1000)
1982             {
1983                 long nNum   = aValue.GetNumerator();
1984                 long nDenom = aValue.GetDenominator();
1985                 while (nDenom > 1000)
1986                 {
1987                     nNum    /= 10;
1988                     nDenom  /= 10;
1989                 }
1990                 aValue = Fraction( nNum, nDenom );
1991             }
1992         }
1993     }
1994 
1995 	NextToken();
1996 
1997 	pFontNode->SetSizeParameter(aValue, Type);
1998     m_aNodeStack.Push(pFontNode);
1999 }
2000 
2001 
2002 void SmParser::Brace()
2003 {
2004     DBG_ASSERT(m_aCurToken.eType == TLEFT  ||  TokenInGroup(TGLBRACES),
2005 		"Sm: kein Klammer Ausdruck");
2006 
2007     SmStructureNode *pSNode  = new SmBraceNode(m_aCurToken);
2008 	SmNode *pBody   = 0,
2009 		   *pLeft   = 0,
2010 		   *pRight  = 0;
2011 	SmScaleMode   eScaleMode = SCALE_NONE;
2012 	SmParseError  eError     = PE_NONE;
2013 
2014     if (m_aCurToken.eType == TLEFT)
2015 	{	NextToken();
2016 
2017 		eScaleMode = SCALE_HEIGHT;
2018 
2019 		// check for left bracket
2020 		if (TokenInGroup(TGLBRACES) || TokenInGroup(TGRBRACES))
2021 		{
2022             pLeft = new SmMathSymbolNode(m_aCurToken);
2023 
2024 			NextToken();
2025 			Bracebody(sal_True);
2026             pBody = m_aNodeStack.Pop();
2027 
2028             if (m_aCurToken.eType == TRIGHT)
2029 			{	NextToken();
2030 
2031 				// check for right bracket
2032 				if (TokenInGroup(TGLBRACES) || TokenInGroup(TGRBRACES))
2033 				{
2034                     pRight = new SmMathSymbolNode(m_aCurToken);
2035 					NextToken();
2036 				}
2037 				else
2038 					eError = PE_RBRACE_EXPECTED;
2039 			}
2040 			else
2041 				eError = PE_RIGHT_EXPECTED;
2042 		}
2043 		else
2044 			eError = PE_LBRACE_EXPECTED;
2045 	}
2046 	else
2047 	{
2048 		if (TokenInGroup(TGLBRACES))
2049 		{
2050             pLeft = new SmMathSymbolNode(m_aCurToken);
2051 
2052 			NextToken();
2053 			Bracebody(sal_False);
2054             pBody = m_aNodeStack.Pop();
2055 
2056             SmTokenType  eExpectedType = TUNKNOWN;
2057 			switch (pLeft->GetToken().eType)
2058 			{	case TLPARENT :	 	eExpectedType = TRPARENT;	break;
2059 				case TLBRACKET : 	eExpectedType = TRBRACKET;	break;
2060 				case TLBRACE : 	 	eExpectedType = TRBRACE;	break;
2061 				case TLDBRACKET :	eExpectedType = TRDBRACKET;	break;
2062 				case TLLINE : 	 	eExpectedType = TRLINE;		break;
2063 				case TLDLINE :   	eExpectedType = TRDLINE;	break;
2064 				case TLANGLE :   	eExpectedType = TRANGLE;	break;
2065 				case TLFLOOR :   	eExpectedType = TRFLOOR;	break;
2066 				case TLCEIL : 	 	eExpectedType = TRCEIL;		break;
2067 				default :
2068 					DBG_ASSERT(0, "Sm: unbekannter Fall");
2069 			}
2070 
2071             if (m_aCurToken.eType == eExpectedType)
2072 			{
2073                 pRight = new SmMathSymbolNode(m_aCurToken);
2074 				NextToken();
2075 			}
2076 			else
2077 				eError = PE_PARENT_MISMATCH;
2078 		}
2079 		else
2080 			eError = PE_LBRACE_EXPECTED;
2081 	}
2082 
2083 	if (eError == PE_NONE)
2084 	{   DBG_ASSERT(pLeft,  "Sm: NULL pointer");
2085 		DBG_ASSERT(pRight, "Sm: NULL pointer");
2086 		pSNode->SetSubNodes(pLeft, pBody, pRight);
2087 		pSNode->SetScaleMode(eScaleMode);
2088         m_aNodeStack.Push(pSNode);
2089 	}
2090 	else
2091 	{	delete pSNode;
2092 		delete pBody;
2093 		delete pLeft;
2094 		delete pRight;
2095 
2096 		Error(eError);
2097 	}
2098 }
2099 
2100 
2101 void SmParser::Bracebody(sal_Bool bIsLeftRight)
2102 {
2103     SmStructureNode *pBody = new SmBracebodyNode(m_aCurToken);
2104 	SmNodeArray  	 aNodes;
2105 	sal_uInt16		 	 nNum = 0;
2106 
2107 	// get body if any
2108 	if (bIsLeftRight)
2109 	{
2110 		do
2111 		{
2112             if (m_aCurToken.eType == TMLINE)
2113 			{
2114                 m_aNodeStack.Push(new SmMathSymbolNode(m_aCurToken));
2115                 NextToken();
2116 				nNum++;
2117 			}
2118             else if (m_aCurToken.eType != TRIGHT)
2119 			{	Align();
2120 				nNum++;
2121 
2122                 if (m_aCurToken.eType != TMLINE  &&  m_aCurToken.eType != TRIGHT)
2123 					Error(PE_RIGHT_EXPECTED);
2124 			}
2125         } while (m_aCurToken.eType != TEND  &&  m_aCurToken.eType != TRIGHT);
2126 	}
2127 	else
2128 	{
2129 		do
2130 		{
2131             if (m_aCurToken.eType == TMLINE)
2132 			{
2133                 m_aNodeStack.Push(new SmMathSymbolNode(m_aCurToken));
2134 				NextToken();
2135 				nNum++;
2136 			}
2137 			else if (!TokenInGroup(TGRBRACES))
2138 			{	Align();
2139 				nNum++;
2140 
2141                 if (m_aCurToken.eType != TMLINE  &&  !TokenInGroup(TGRBRACES))
2142 					Error(PE_RBRACE_EXPECTED);
2143 			}
2144         } while (m_aCurToken.eType != TEND  &&  !TokenInGroup(TGRBRACES));
2145 	}
2146 
2147 	// build argument vector in parsing order
2148     aNodes.resize(nNum);
2149 	for (sal_uInt16 i = 0;  i < nNum;  i++)
2150         aNodes[nNum - 1 - i] = m_aNodeStack.Pop();
2151 
2152 	pBody->SetSubNodes(aNodes);
2153 	pBody->SetScaleMode(bIsLeftRight ? SCALE_HEIGHT : SCALE_NONE);
2154     m_aNodeStack.Push(pBody);
2155 }
2156 
2157 
2158 void SmParser::Function()
2159 {
2160     switch (m_aCurToken.eType)
2161 	{
2162 		case TFUNC:
2163 			NextToken();	// skip "FUNC"-statement
2164 			// fall through
2165 
2166 		case TSIN :
2167 		case TCOS :
2168 		case TTAN :
2169 		case TCOT :
2170 		case TASIN :
2171 		case TACOS :
2172 		case TATAN :
2173 		case TACOT :
2174 		case TSINH :
2175 		case TCOSH :
2176 		case TTANH :
2177 		case TCOTH :
2178 		case TASINH :
2179 		case TACOSH :
2180 		case TATANH :
2181 		case TACOTH :
2182 		case TLN :
2183 		case TLOG :
2184 		case TEXP :
2185             m_aNodeStack.Push(new SmTextNode(m_aCurToken, FNT_FUNCTION));
2186 			NextToken();
2187 			break;
2188 
2189 		default:
2190 			Error(PE_FUNC_EXPECTED);
2191 	}
2192 }
2193 
2194 
2195 void SmParser::Binom()
2196 {
2197 	SmNodeArray  ExpressionArray;
2198     SmStructureNode *pSNode = new SmTableNode(m_aCurToken);
2199 
2200 	NextToken();
2201 
2202 	Sum();
2203 	Sum();
2204 
2205     ExpressionArray.resize(2);
2206 
2207 	for (int i = 0;  i < 2;  i++)
2208         ExpressionArray[2 - (i + 1)] = m_aNodeStack.Pop();
2209 
2210 	pSNode->SetSubNodes(ExpressionArray);
2211     m_aNodeStack.Push(pSNode);
2212 }
2213 
2214 
2215 void SmParser::Stack()
2216 {
2217 	SmNodeArray  ExpressionArray;
2218 	NextToken();
2219     if (m_aCurToken.eType == TLGROUP)
2220 	{
2221 		sal_uInt16 n = 0;
2222 
2223 		do
2224 		{
2225 			NextToken();
2226 			Align();
2227 			n++;
2228 		}
2229         while (m_aCurToken.eType == TPOUND);
2230 
2231         ExpressionArray.resize(n);
2232 
2233 		for (sal_uInt16 i = 0; i < n; i++)
2234             ExpressionArray[n - (i + 1)] = m_aNodeStack.Pop();
2235 
2236         if (m_aCurToken.eType != TRGROUP)
2237 			Error(PE_RGROUP_EXPECTED);
2238 
2239 		NextToken();
2240 
2241         SmStructureNode *pSNode = new SmTableNode(m_aCurToken);
2242 		pSNode->SetSubNodes(ExpressionArray);
2243         m_aNodeStack.Push(pSNode);
2244 	}
2245 	else
2246 		Error(PE_LGROUP_EXPECTED);
2247 }
2248 
2249 
2250 void SmParser::Matrix()
2251 {
2252 	SmNodeArray  ExpressionArray;
2253 
2254 	NextToken();
2255     if (m_aCurToken.eType == TLGROUP)
2256 	{
2257 		sal_uInt16 c = 0;
2258 
2259 		do
2260 		{
2261 			NextToken();
2262 			Align();
2263 			c++;
2264 		}
2265         while (m_aCurToken.eType == TPOUND);
2266 
2267 		sal_uInt16 r = 1;
2268 
2269         while (m_aCurToken.eType == TDPOUND)
2270 		{
2271 			NextToken();
2272 			for (sal_uInt16 i = 0; i < c; i++)
2273 			{
2274 				Align();
2275 				if (i < (c - 1))
2276 				{
2277                     if (m_aCurToken.eType == TPOUND)
2278 					{
2279 						NextToken();
2280 					}
2281 					else
2282 						Error(PE_POUND_EXPECTED);
2283 				}
2284 			}
2285 
2286 			r++;
2287 		}
2288 
2289 		long nRC = r * c;
2290 
2291         ExpressionArray.resize(nRC);
2292 
2293 		for (sal_uInt16 i = 0; i < (nRC); i++)
2294             ExpressionArray[(nRC) - (i + 1)] = m_aNodeStack.Pop();
2295 
2296         if (m_aCurToken.eType != TRGROUP)
2297 			Error(PE_RGROUP_EXPECTED);
2298 
2299 		NextToken();
2300 
2301         SmMatrixNode *pMNode = new SmMatrixNode(m_aCurToken);
2302 		pMNode->SetSubNodes(ExpressionArray);
2303 		pMNode->SetRowCol(r, c);
2304         m_aNodeStack.Push(pMNode);
2305 	}
2306 	else
2307 		Error(PE_LGROUP_EXPECTED);
2308 }
2309 
2310 
2311 void SmParser::Special()
2312 {
2313     sal_Bool bReplace = sal_False;
2314     String &rName = m_aCurToken.aText;
2315     String aNewName;
2316 
2317     if (CONVERT_NONE == GetConversion())
2318     {
2319         // conversion of symbol names for 6.0 (XML) file format
2320         // (name change on import / export.
2321         // UI uses localized names XML file format does not.)
2322         if( rName.Len() && rName.GetChar( 0 ) == sal_Unicode( '%' ) )
2323         {
2324             if (IsImportSymbolNames())
2325             {
2326                 const SmLocalizedSymbolData &rLSD = SM_MOD()->GetLocSymbolData();
2327                 aNewName = rLSD.GetUiSymbolName( rName.Copy( 1 ) );
2328                 bReplace = sal_True;
2329             }
2330             else if (IsExportSymbolNames())
2331             {
2332                 const SmLocalizedSymbolData &rLSD = SM_MOD()->GetLocSymbolData();
2333                 aNewName = rLSD.GetExportSymbolName( rName.Copy( 1 ) );
2334                 bReplace = sal_True;
2335             }
2336         }
2337         if( aNewName.Len() )
2338             aNewName.Insert( '%', 0 );
2339     }
2340     else    // 5.0 <-> 6.0 formula text (symbol name) conversion
2341     {
2342         LanguageType nLanguage = GetLanguage();
2343         SmLocalizedSymbolData &rData = SM_MOD()->GetLocSymbolData();
2344         const ResStringArray *pFrom = 0;
2345         const ResStringArray *pTo   = 0;
2346         if (CONVERT_50_TO_60 == GetConversion())
2347         {
2348             pFrom = rData.Get50NamesArray( nLanguage );
2349             pTo   = rData.Get60NamesArray( nLanguage );
2350         }
2351         else if (CONVERT_60_TO_50 == GetConversion())
2352         {
2353             pFrom = rData.Get60NamesArray( nLanguage );
2354             pTo   = rData.Get50NamesArray( nLanguage );
2355         }
2356         if (pFrom  &&  pTo)
2357         {
2358             DBG_ASSERT( pFrom->Count() == pTo->Count(),
2359                     "array length mismatch" );
2360             sal_uInt16 nCount = sal::static_int_cast< sal_uInt16 >(pFrom->Count());
2361             for (sal_uInt16 i = 0;  i < nCount;  ++i)
2362             {
2363                 if (pFrom->GetString(i) == rName)
2364                 {
2365                     aNewName = pTo->GetString(i);
2366                     bReplace = sal_True;
2367                 }
2368             }
2369         }
2370         // else:
2371         // conversion arrays not found or (usually)
2372         // conversion not necessary
2373     }
2374 
2375     if (bReplace  &&  aNewName.Len()  &&  rName != aNewName)
2376     {
2377         Replace( GetTokenIndex(), rName.Len(), aNewName );
2378         rName = aNewName;
2379     }
2380 
2381     // add symbol name to list of used symbols
2382     const String aSymbolName( m_aCurToken.aText.Copy( 1 ) );
2383     if (aSymbolName.Len() > 0 )
2384         AddToUsedSymbols( aSymbolName );
2385 
2386     m_aNodeStack.Push(new SmSpecialNode(m_aCurToken));
2387 	NextToken();
2388 }
2389 
2390 
2391 void SmParser::GlyphSpecial()
2392 {
2393     m_aNodeStack.Push(new SmGlyphSpecialNode(m_aCurToken));
2394 	NextToken();
2395 }
2396 
2397 
2398 void SmParser::Error(SmParseError eError)
2399 {
2400     SmStructureNode *pSNode = new SmExpressionNode(m_aCurToken);
2401     SmErrorNode     *pErr   = new SmErrorNode(eError, m_aCurToken);
2402 	pSNode->SetSubNodes(pErr, 0);
2403 
2404 	//! put a structure node on the stack (instead of the error node itself)
2405 	//! because sometimes such a node is expected in order to attach some
2406 	//! subnodes
2407     m_aNodeStack.Push(pSNode);
2408 
2409 	AddError(eError, pSNode);
2410 
2411 	NextToken();
2412 }
2413 
2414 
2415 // end gramar
2416 
2417 
2418 SmParser::SmParser()
2419 {
2420     m_eConversion = CONVERT_NONE;
2421     m_bImportSymNames = m_bExportSymNames = sal_False;
2422     m_nLang = Application::GetSettings().GetUILanguage();
2423 }
2424 
2425 
2426 SmNode *SmParser::Parse(const String &rBuffer)
2427 {
2428     ClearUsedSymbols();
2429 
2430     m_aBufferString = rBuffer;
2431     m_aBufferString.ConvertLineEnd( LINEEND_LF );
2432     m_nBufferIndex =
2433     m_nTokenIndex  = 0;
2434     m_Row          = 1;
2435     m_nColOff      = 0;
2436     m_nCurError       = -1;
2437 
2438     for (sal_uInt16 i = 0;  i < m_aErrDescList.Count();  i++)
2439         delete m_aErrDescList.Remove(i);
2440 
2441     m_aErrDescList.Clear();
2442 
2443     m_aNodeStack.Clear();
2444 
2445     SetLanguage( Application::GetSettings().GetUILanguage() );
2446 	NextToken();
2447 	Table();
2448 
2449     return m_aNodeStack.Pop();
2450 }
2451 
2452 
2453 sal_uInt16 SmParser::AddError(SmParseError Type, SmNode *pNode)
2454 {
2455 	SmErrorDesc *pErrDesc = new SmErrorDesc;
2456 
2457 	pErrDesc->Type  = Type;
2458 	pErrDesc->pNode = pNode;
2459 	pErrDesc->Text  = String(SmResId(RID_ERR_IDENT));
2460 
2461 	sal_uInt16  nRID;
2462 	switch (Type)
2463 	{
2464 		case PE_UNEXPECTED_CHAR:	 nRID = RID_ERR_UNEXPECTEDCHARACTER;	break;
2465 		case PE_LGROUP_EXPECTED:	 nRID = RID_ERR_LGROUPEXPECTED;			break;
2466 		case PE_RGROUP_EXPECTED:	 nRID = RID_ERR_RGROUPEXPECTED;			break;
2467 		case PE_LBRACE_EXPECTED:	 nRID = RID_ERR_LBRACEEXPECTED;			break;
2468 		case PE_RBRACE_EXPECTED:	 nRID = RID_ERR_RBRACEEXPECTED;			break;
2469 		case PE_FUNC_EXPECTED:		 nRID = RID_ERR_FUNCEXPECTED;			break;
2470 		case PE_UNOPER_EXPECTED:	 nRID = RID_ERR_UNOPEREXPECTED;			break;
2471 		case PE_BINOPER_EXPECTED:	 nRID = RID_ERR_BINOPEREXPECTED;		break;
2472 		case PE_SYMBOL_EXPECTED:	 nRID = RID_ERR_SYMBOLEXPECTED;			break;
2473 		case PE_IDENTIFIER_EXPECTED: nRID = RID_ERR_IDENTEXPECTED;			break;
2474 		case PE_POUND_EXPECTED:		 nRID = RID_ERR_POUNDEXPECTED;			break;
2475 		case PE_COLOR_EXPECTED:		 nRID = RID_ERR_COLOREXPECTED;			break;
2476 		case PE_RIGHT_EXPECTED:		 nRID = RID_ERR_RIGHTEXPECTED;			break;
2477 
2478 		default:
2479 			nRID = RID_ERR_UNKOWN;
2480 	}
2481 	pErrDesc->Text += SmResId(nRID);
2482 
2483     m_aErrDescList.Insert(pErrDesc);
2484 
2485     return (sal_uInt16) m_aErrDescList.GetPos(pErrDesc);
2486 }
2487 
2488 
2489 const SmErrorDesc  *SmParser::NextError()
2490 {
2491     if (m_aErrDescList.Count())
2492         if (m_nCurError > 0) return m_aErrDescList.Seek(--m_nCurError);
2493 		else
2494 		{
2495             m_nCurError = 0;
2496             return m_aErrDescList.Seek(m_nCurError);
2497 		}
2498 	else return 0;
2499 }
2500 
2501 
2502 const SmErrorDesc  *SmParser::PrevError()
2503 {
2504     if (m_aErrDescList.Count())
2505         if (m_nCurError < (int) (m_aErrDescList.Count() - 1)) return m_aErrDescList.Seek(++m_nCurError);
2506 		else
2507 		{
2508             m_nCurError = (int) (m_aErrDescList.Count() - 1);
2509             return m_aErrDescList.Seek(m_nCurError);
2510 		}
2511 	else return 0;
2512 }
2513 
2514 
2515 const SmErrorDesc  *SmParser::GetError(sal_uInt16 i)
2516 {
2517     return (/*i >= 0  &&*/  i < m_aErrDescList.Count())
2518                ? m_aErrDescList.Seek(i)
2519                : m_aErrDescList.Seek(m_nCurError);
2520 }
2521 
2522 
2523