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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /starmath/source/parse5.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'starmath/source/parse5.cxx')
-rw-r--r--starmath/source/parse5.cxx2773
1 files changed, 2773 insertions, 0 deletions
diff --git a/starmath/source/parse5.cxx b/starmath/source/parse5.cxx
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+++ b/starmath/source/parse5.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/i18n/UnicodeType.hpp>
+#include <com/sun/star/i18n/KParseTokens.hpp>
+#include <com/sun/star/i18n/KParseType.hpp>
+#include <i18nlangtag/lang.h>
+#include <tools/lineend.hxx>
+#include <unotools/configmgr.hxx>
+#include <unotools/syslocale.hxx>
+#include <osl/diagnose.h>
+#include <rtl/character.hxx>
+#include <parse5.hxx>
+#include <strings.hrc>
+#include <smmod.hxx>
+#include <cfgitem.hxx>
+#include <starmathdatabase.hxx>
+
+#include <stack>
+
+using namespace ::com::sun::star::i18n;
+
+//Definition of math keywords
+const SmTokenTableEntry aTokenTable[]
+ = { { u"abs", TABS, '\0', TG::UnOper, 13 },
+ { u"acute", TACUTE, MS_ACUTE, TG::Attribute, 5 },
+ { u"aleph", TALEPH, MS_ALEPH, TG::Standalone, 5 },
+ { u"alignb", TALIGNC, '\0', TG::Align, 0 },
+ { u"alignc", TALIGNC, '\0', TG::Align, 0 },
+ { u"alignl", TALIGNL, '\0', TG::Align, 0 },
+ { u"alignm", TALIGNC, '\0', TG::Align, 0 },
+ { u"alignr", TALIGNR, '\0', TG::Align, 0 },
+ { u"alignt", TALIGNC, '\0', TG::Align, 0 },
+ { u"and", TAND, MS_AND, TG::Product, 0 },
+ { u"approx", TAPPROX, MS_APPROX, TG::Relation, 0 },
+ { u"arccos", TACOS, '\0', TG::Function, 5 },
+ { u"arccot", TACOT, '\0', TG::Function, 5 },
+ { u"arcosh", TACOSH, '\0', TG::Function, 5 },
+ { u"arcoth", TACOTH, '\0', TG::Function, 5 },
+ { u"arcsin", TASIN, '\0', TG::Function, 5 },
+ { u"arctan", TATAN, '\0', TG::Function, 5 },
+ { u"arsinh", TASINH, '\0', TG::Function, 5 },
+ { u"artanh", TATANH, '\0', TG::Function, 5 },
+ { u"backepsilon", TBACKEPSILON, MS_BACKEPSILON, TG::Standalone, 5 },
+ { u"bar", TBAR, MS_BAR, TG::Attribute, 5 },
+ { u"binom", TBINOM, '\0', TG::NONE, 5 },
+ { u"bold", TBOLD, '\0', TG::FontAttr, 5 },
+ { u"boper", TBOPER, '\0', TG::Product, 0 },
+ { u"breve", TBREVE, MS_BREVE, TG::Attribute, 5 },
+ { u"bslash", TBACKSLASH, MS_BACKSLASH, TG::Product, 0 },
+ { u"cdot", TCDOT, MS_CDOT, TG::Product, 0 },
+ { u"check", TCHECK, MS_CHECK, TG::Attribute, 5 },
+ { u"circ", TCIRC, MS_CIRC, TG::Standalone, 5 },
+ { u"circle", TCIRCLE, MS_CIRCLE, TG::Attribute, 5 },
+ { u"color", TCOLOR, '\0', TG::FontAttr, 5 },
+ { u"coprod", TCOPROD, MS_COPROD, TG::Oper, 5 },
+ { u"cos", TCOS, '\0', TG::Function, 5 },
+ { u"cosh", TCOSH, '\0', TG::Function, 5 },
+ { u"cot", TCOT, '\0', TG::Function, 5 },
+ { u"coth", TCOTH, '\0', TG::Function, 5 },
+ { u"csub", TCSUB, '\0', TG::Power, 0 },
+ { u"csup", TCSUP, '\0', TG::Power, 0 },
+ { u"dddot", TDDDOT, MS_DDDOT, TG::Attribute, 5 },
+ { u"ddot", TDDOT, MS_DDOT, TG::Attribute, 5 },
+ { u"def", TDEF, MS_DEF, TG::Relation, 0 },
+ { u"div", TDIV, MS_DIV, TG::Product, 0 },
+ { u"divides", TDIVIDES, MS_LINE, TG::Relation, 0 },
+ { u"dlarrow", TDLARROW, MS_DLARROW, TG::Standalone, 5 },
+ { u"dlrarrow", TDLRARROW, MS_DLRARROW, TG::Standalone, 5 },
+ { u"dot", TDOT, MS_DOT, TG::Attribute, 5 },
+ { u"dotsaxis", TDOTSAXIS, MS_DOTSAXIS, TG::Standalone, 5 }, // 5 to continue expression
+ { u"dotsdiag", TDOTSDIAG, MS_DOTSUP, TG::Standalone, 5 },
+ { u"dotsdown", TDOTSDOWN, MS_DOTSDOWN, TG::Standalone, 5 },
+ { u"dotslow", TDOTSLOW, MS_DOTSLOW, TG::Standalone, 5 },
+ { u"dotsup", TDOTSUP, MS_DOTSUP, TG::Standalone, 5 },
+ { u"dotsvert", TDOTSVERT, MS_DOTSVERT, TG::Standalone, 5 },
+ { u"downarrow", TDOWNARROW, MS_DOWNARROW, TG::Standalone, 5 },
+ { u"drarrow", TDRARROW, MS_DRARROW, TG::Standalone, 5 },
+ { u"emptyset", TEMPTYSET, MS_EMPTYSET, TG::Standalone, 5 },
+ { u"equiv", TEQUIV, MS_EQUIV, TG::Relation, 0 },
+ { u"evaluate", TEVALUATE, '\0', TG::NONE, 0 },
+ { u"exists", TEXISTS, MS_EXISTS, TG::Standalone, 5 },
+ { u"exp", TEXP, '\0', TG::Function, 5 },
+ { u"fact", TFACT, MS_FACT, TG::UnOper, 5 },
+ { u"fixed", TFIXED, '\0', TG::Font, 0 },
+ { u"font", TFONT, '\0', TG::FontAttr, 5 },
+ { u"forall", TFORALL, MS_FORALL, TG::Standalone, 5 },
+ { u"fourier", TFOURIER, MS_FOURIER, TG::Standalone, 5 },
+ { u"frac", TFRAC, '\0', TG::NONE, 5 },
+ { u"from", TFROM, '\0', TG::Limit, 0 },
+ { u"func", TFUNC, '\0', TG::Function, 5 },
+ { u"ge", TGE, MS_GE, TG::Relation, 0 },
+ { u"geslant", TGESLANT, MS_GESLANT, TG::Relation, 0 },
+ { u"gg", TGG, MS_GG, TG::Relation, 0 },
+ { u"grave", TGRAVE, MS_GRAVE, TG::Attribute, 5 },
+ { u"gt", TGT, MS_GT, TG::Relation, 0 },
+ { u"harpoon", THARPOON, MS_HARPOON, TG::Attribute, 5 },
+ { u"hat", THAT, MS_HAT, TG::Attribute, 5 },
+ { u"hbar", THBAR, MS_HBAR, TG::Standalone, 5 },
+ { u"hex", THEX, '\0', TG::NONE, 5 },
+ { u"iiint", TIIINT, MS_IIINT, TG::Oper, 5 },
+ { u"iint", TIINT, MS_IINT, TG::Oper, 5 },
+ { u"im", TIM, MS_IM, TG::Standalone, 5 },
+ { u"in", TIN, MS_IN, TG::Relation, 0 },
+ { u"infinity", TINFINITY, MS_INFINITY, TG::Standalone, 5 },
+ { u"infty", TINFINITY, MS_INFINITY, TG::Standalone, 5 },
+ { u"int", TINT, MS_INT, TG::Oper, 5 },
+ { u"intd", TINTD, MS_INT, TG::Oper, 5 },
+ { u"intersection", TINTERSECT, MS_INTERSECT, TG::Product, 0 },
+ { u"it", TIT, '\0', TG::Product, 0 },
+ { u"ital", TITALIC, '\0', TG::FontAttr, 5 },
+ { u"italic", TITALIC, '\0', TG::FontAttr, 5 },
+ { u"lambdabar", TLAMBDABAR, MS_LAMBDABAR, TG::Standalone, 5 },
+ { u"langle", TLANGLE, MS_LMATHANGLE, TG::LBrace, 5 },
+ { u"laplace", TLAPLACE, MS_LAPLACE, TG::Standalone, 5 },
+ { u"lbrace", TLBRACE, MS_LBRACE, TG::LBrace, 5 },
+ { u"lceil", TLCEIL, MS_LCEIL, TG::LBrace, 5 },
+ { u"ldbracket", TLDBRACKET, MS_LDBRACKET, TG::LBrace, 5 },
+ { u"ldline", TLDLINE, MS_DVERTLINE, TG::LBrace, 5 },
+ { u"le", TLE, MS_LE, TG::Relation, 0 },
+ { u"left", TLEFT, '\0', TG::NONE, 5 },
+ { u"leftarrow", TLEFTARROW, MS_LEFTARROW, TG::Standalone, 5 },
+ { u"leslant", TLESLANT, MS_LESLANT, TG::Relation, 0 },
+ { u"lfloor", TLFLOOR, MS_LFLOOR, TG::LBrace, 5 },
+ { u"lim", TLIM, '\0', TG::Oper, 5 },
+ { u"liminf", TLIMINF, '\0', TG::Oper, 5 },
+ { u"limsup", TLIMSUP, '\0', TG::Oper, 5 },
+ { u"lint", TLINT, MS_LINT, TG::Oper, 5 },
+ { u"ll", TLL, MS_LL, TG::Relation, 0 },
+ { u"lline", TLLINE, MS_VERTLINE, TG::LBrace, 5 },
+ { u"llint", TLLINT, MS_LLINT, TG::Oper, 5 },
+ { u"lllint", TLLLINT, MS_LLLINT, TG::Oper, 5 },
+ { u"ln", TLN, '\0', TG::Function, 5 },
+ { u"log", TLOG, '\0', TG::Function, 5 },
+ { u"lrline", TLRLINE, MS_VERTLINE, TG::LBrace | TG::RBrace, 5 },
+ { u"lrdline", TLRDLINE, MS_VERTLINE, TG::LBrace | TG::RBrace, 5 },
+ { u"lsub", TLSUB, '\0', TG::Power, 0 },
+ { u"lsup", TLSUP, '\0', TG::Power, 0 },
+ { u"lt", TLT, MS_LT, TG::Relation, 0 },
+ { u"matrix", TMATRIX, '\0', TG::NONE, 5 },
+ { u"minusplus", TMINUSPLUS, MS_MINUSPLUS, TG::UnOper | TG::Sum, 5 },
+ { u"mline", TMLINE, MS_VERTLINE, TG::NONE, 0 }, //! not in TG::RBrace, Level 0
+ { u"nabla", TNABLA, MS_NABLA, TG::Standalone, 5 },
+ { u"nbold", TNBOLD, '\0', TG::FontAttr, 5 },
+ { u"ndivides", TNDIVIDES, MS_NDIVIDES, TG::Relation, 0 },
+ { u"neg", TNEG, MS_NEG, TG::UnOper, 5 },
+ { u"neq", TNEQ, MS_NEQ, TG::Relation, 0 },
+ { u"newline", TNEWLINE, '\0', TG::NONE, 0 },
+ { u"ni", TNI, MS_NI, TG::Relation, 0 },
+ { u"nitalic", TNITALIC, '\0', TG::FontAttr, 5 },
+ { u"none", TNONE, '\0', TG::LBrace | TG::RBrace, 0 },
+ { u"nospace", TNOSPACE, '\0', TG::Standalone, 5 },
+ { u"notexists", TNOTEXISTS, MS_NOTEXISTS, TG::Standalone, 5 },
+ { u"notin", TNOTIN, MS_NOTIN, TG::Relation, 0 },
+ { u"nprec", TNOTPRECEDES, MS_NOTPRECEDES, TG::Relation, 0 },
+ { u"nroot", TNROOT, MS_SQRT, TG::UnOper, 5 },
+ { u"nsubset", TNSUBSET, MS_NSUBSET, TG::Relation, 0 },
+ { u"nsubseteq", TNSUBSETEQ, MS_NSUBSETEQ, TG::Relation, 0 },
+ { u"nsucc", TNOTSUCCEEDS, MS_NOTSUCCEEDS, TG::Relation, 0 },
+ { u"nsupset", TNSUPSET, MS_NSUPSET, TG::Relation, 0 },
+ { u"nsupseteq", TNSUPSETEQ, MS_NSUPSETEQ, TG::Relation, 0 },
+ { u"odivide", TODIVIDE, MS_ODIVIDE, TG::Product, 0 },
+ { u"odot", TODOT, MS_ODOT, TG::Product, 0 },
+ { u"ominus", TOMINUS, MS_OMINUS, TG::Sum, 0 },
+ { u"oper", TOPER, '\0', TG::Oper, 5 },
+ { u"oplus", TOPLUS, MS_OPLUS, TG::Sum, 0 },
+ { u"or", TOR, MS_OR, TG::Sum, 0 },
+ { u"ortho", TORTHO, MS_ORTHO, TG::Relation, 0 },
+ { u"otimes", TOTIMES, MS_OTIMES, TG::Product, 0 },
+ { u"over", TOVER, '\0', TG::Product, 0 },
+ { u"overbrace", TOVERBRACE, MS_OVERBRACE, TG::Product, 5 },
+ { u"overline", TOVERLINE, '\0', TG::Attribute, 5 },
+ { u"overstrike", TOVERSTRIKE, '\0', TG::Attribute, 5 },
+ { u"owns", TNI, MS_NI, TG::Relation, 0 },
+ { u"parallel", TPARALLEL, MS_DLINE, TG::Relation, 0 },
+ { u"partial", TPARTIAL, MS_PARTIAL, TG::Standalone, 5 },
+ { u"phantom", TPHANTOM, '\0', TG::FontAttr, 5 },
+ { u"plusminus", TPLUSMINUS, MS_PLUSMINUS, TG::UnOper | TG::Sum, 5 },
+ { u"prec", TPRECEDES, MS_PRECEDES, TG::Relation, 0 },
+ { u"preccurlyeq", TPRECEDESEQUAL, MS_PRECEDESEQUAL, TG::Relation, 0 },
+ { u"precsim", TPRECEDESEQUIV, MS_PRECEDESEQUIV, TG::Relation, 0 },
+ { u"prod", TPROD, MS_PROD, TG::Oper, 5 },
+ { u"prop", TPROP, MS_PROP, TG::Relation, 0 },
+ { u"rangle", TRANGLE, MS_RMATHANGLE, TG::RBrace, 0 }, //! 0 to terminate expression
+ { u"rbrace", TRBRACE, MS_RBRACE, TG::RBrace, 0 },
+ { u"rceil", TRCEIL, MS_RCEIL, TG::RBrace, 0 },
+ { u"rdbracket", TRDBRACKET, MS_RDBRACKET, TG::RBrace, 0 },
+ { u"rdline", TRDLINE, MS_DVERTLINE, TG::RBrace, 0 },
+ { u"re", TRE, MS_RE, TG::Standalone, 5 },
+ { u"rfloor", TRFLOOR, MS_RFLOOR, TG::RBrace, 0 }, //! 0 to terminate expression
+ { u"right", TRIGHT, '\0', TG::NONE, 0 },
+ { u"rightarrow", TRIGHTARROW, MS_RIGHTARROW, TG::Standalone, 5 },
+ { u"rline", TRLINE, MS_VERTLINE, TG::RBrace, 0 }, //! 0 to terminate expression
+ { u"rsub", TRSUB, '\0', TG::Power, 0 },
+ { u"rsup", TRSUP, '\0', TG::Power, 0 },
+ { u"sans", TSANS, '\0', TG::Font, 0 },
+ { u"serif", TSERIF, '\0', TG::Font, 0 },
+ { u"setC", TSETC, MS_SETC, TG::Standalone, 5 },
+ { u"setminus", TSETMINUS, MS_BACKSLASH, TG::Product, 0 },
+ { u"setN", TSETN, MS_SETN, TG::Standalone, 5 },
+ { u"setQ", TSETQ, MS_SETQ, TG::Standalone, 5 },
+ { u"setquotient", TSETQUOTIENT, MS_SLASH, TG::Product, 0 },
+ { u"setR", TSETR, MS_SETR, TG::Standalone, 5 },
+ { u"setZ", TSETZ, MS_SETZ, TG::Standalone, 5 },
+ { u"sim", TSIM, MS_SIM, TG::Relation, 0 },
+ { u"simeq", TSIMEQ, MS_SIMEQ, TG::Relation, 0 },
+ { u"sin", TSIN, '\0', TG::Function, 5 },
+ { u"sinh", TSINH, '\0', TG::Function, 5 },
+ { u"size", TSIZE, '\0', TG::FontAttr, 5 },
+ { u"slash", TSLASH, MS_SLASH, TG::Product, 0 },
+ { u"sqrt", TSQRT, MS_SQRT, TG::UnOper, 5 },
+ { u"stack", TSTACK, '\0', TG::NONE, 5 },
+ { u"sub", TRSUB, '\0', TG::Power, 0 },
+ { u"subset", TSUBSET, MS_SUBSET, TG::Relation, 0 },
+ { u"subseteq", TSUBSETEQ, MS_SUBSETEQ, TG::Relation, 0 },
+ { u"succ", TSUCCEEDS, MS_SUCCEEDS, TG::Relation, 0 },
+ { u"succcurlyeq", TSUCCEEDSEQUAL, MS_SUCCEEDSEQUAL, TG::Relation, 0 },
+ { u"succsim", TSUCCEEDSEQUIV, MS_SUCCEEDSEQUIV, TG::Relation, 0 },
+ { u"sum", TSUM, MS_SUM, TG::Oper, 5 },
+ { u"sup", TRSUP, '\0', TG::Power, 0 },
+ { u"supset", TSUPSET, MS_SUPSET, TG::Relation, 0 },
+ { u"supseteq", TSUPSETEQ, MS_SUPSETEQ, TG::Relation, 0 },
+ { u"tan", TTAN, '\0', TG::Function, 5 },
+ { u"tanh", TTANH, '\0', TG::Function, 5 },
+ { u"tilde", TTILDE, MS_TILDE, TG::Attribute, 5 },
+ { u"times", TTIMES, MS_TIMES, TG::Product, 0 },
+ { u"to", TTO, '\0', TG::Limit, 0 },
+ { u"toward", TTOWARD, MS_RIGHTARROW, TG::Relation, 0 },
+ { u"transl", TTRANSL, MS_TRANSL, TG::Relation, 0 },
+ { u"transr", TTRANSR, MS_TRANSR, TG::Relation, 0 },
+ { u"underbrace", TUNDERBRACE, MS_UNDERBRACE, TG::Product, 5 },
+ { u"underline", TUNDERLINE, '\0', TG::Attribute, 5 },
+ { u"union", TUNION, MS_UNION, TG::Sum, 0 },
+ { u"uoper", TUOPER, '\0', TG::UnOper, 5 },
+ { u"uparrow", TUPARROW, MS_UPARROW, TG::Standalone, 5 },
+ { u"vec", TVEC, MS_VEC, TG::Attribute, 5 },
+ { u"widebslash", TWIDEBACKSLASH, MS_BACKSLASH, TG::Product, 0 },
+ { u"wideharpoon", TWIDEHARPOON, MS_HARPOON, TG::Attribute, 5 },
+ { u"widehat", TWIDEHAT, MS_HAT, TG::Attribute, 5 },
+ { u"wideslash", TWIDESLASH, MS_SLASH, TG::Product, 0 },
+ { u"widetilde", TWIDETILDE, MS_TILDE, TG::Attribute, 5 },
+ { u"widevec", TWIDEVEC, MS_VEC, TG::Attribute, 5 },
+ { u"wp", TWP, MS_WP, TG::Standalone, 5 } };
+
+// First character may be any alphabetic
+const sal_Int32 coStartFlags = KParseTokens::ANY_LETTER | KParseTokens::IGNORE_LEADING_WS;
+
+// Continuing characters may be any alphabetic
+const sal_Int32 coContFlags = (coStartFlags & ~KParseTokens::IGNORE_LEADING_WS)
+ | KParseTokens::TWO_DOUBLE_QUOTES_BREAK_STRING;
+// First character for numbers, may be any numeric or dot
+const sal_Int32 coNumStartFlags
+ = KParseTokens::ASC_DIGIT | KParseTokens::ASC_DOT | KParseTokens::IGNORE_LEADING_WS;
+// Continuing characters for numbers, may be any numeric or dot or comma.
+// tdf#127873: additionally accept ',' comma group separator as too many
+// existing documents unwittingly may have used that as decimal separator
+// in such locales (though it never was as this is always the en-US locale
+// and the group separator is only parsed away).
+const sal_Int32 coNumContFlags = (coNumStartFlags & ~KParseTokens::IGNORE_LEADING_WS)
+ | KParseTokens::GROUP_SEPARATOR_IN_NUMBER;
+// First character for numbers hexadecimal
+const sal_Int32 coNum16StartFlags
+ = KParseTokens::ASC_DIGIT | KParseTokens::ASC_UPALPHA | KParseTokens::IGNORE_LEADING_WS;
+
+// Continuing characters for numbers hexadecimal
+const sal_Int32 coNum16ContFlags = (coNum16StartFlags & ~KParseTokens::IGNORE_LEADING_WS);
+// user-defined char continuing characters may be any alphanumeric or dot.
+const sal_Int32 coUserDefinedCharContFlags = KParseTokens::ANY_LETTER_OR_NUMBER
+ | KParseTokens::ASC_DOT
+ | KParseTokens::TWO_DOUBLE_QUOTES_BREAK_STRING;
+
+//Checks if keyword is in the list.
+static inline bool findCompare(const SmTokenTableEntry& lhs, const OUString& s)
+{
+ return s.compareToIgnoreAsciiCase(lhs.aIdent) > 0;
+}
+
+//Returns the SmTokenTableEntry for a keyword
+static const SmTokenTableEntry* GetTokenTableEntry(const OUString& rName)
+{
+ if (rName.isEmpty())
+ return nullptr; //avoid null pointer exceptions
+ //Looks for the first keyword after or equal to rName in alphabetical order.
+ auto findIter
+ = std::lower_bound(std::begin(aTokenTable), std::end(aTokenTable), rName, findCompare);
+ if (findIter != std::end(aTokenTable) && rName.equalsIgnoreAsciiCase(findIter->aIdent))
+ return &*findIter; //check is equal
+ return nullptr; //not found
+}
+
+static bool IsDelimiter(const OUString& rTxt, sal_Int32 nPos)
+{ // returns 'true' iff cChar is '\0' or a delimiter
+
+ assert(nPos <= rTxt.getLength()); //index out of range
+ if (nPos == rTxt.getLength())
+ return true; //This is EOF
+ sal_Unicode cChar = rTxt[nPos];
+
+ // check if 'cChar' is in the delimiter table
+ static const sal_Unicode aDelimiterTable[] = {
+ ' ', '{', '}', '(', ')', '\t', '\n', '\r', '+', '-', '*', '/', '=', '[',
+ ']', '^', '_', '#', '%', '>', '<', '&', '|', '\\', '"', '~', '`'
+ }; //reordered by usage (by eye) for nanoseconds saving.
+
+ //checks the array
+ for (auto const& cDelimiter : aDelimiterTable)
+ {
+ if (cDelimiter == cChar)
+ return true;
+ }
+
+ //special chars support
+ sal_Int16 nTypJp = SM_MOD()->GetSysLocale().GetCharClass().getType(rTxt, nPos);
+ return (nTypJp == css::i18n::UnicodeType::SPACE_SEPARATOR
+ || nTypJp == css::i18n::UnicodeType::CONTROL);
+}
+
+// checks number used as arguments in Math formulas (e.g. 'size' command)
+// Format: no negative numbers, must start with a digit, no exponent notation, ...
+static bool lcl_IsNumber(const OUString& rText)
+{
+ bool bPoint = false;
+ const sal_Unicode* pBuffer = rText.getStr();
+ for (sal_Int32 nPos = 0; nPos < rText.getLength(); nPos++, pBuffer++)
+ {
+ const sal_Unicode cChar = *pBuffer;
+ if (cChar == '.')
+ {
+ if (bPoint)
+ return false;
+ else
+ bPoint = true;
+ }
+ else if (!rtl::isAsciiDigit(cChar))
+ return false;
+ }
+ return true;
+}
+// checks number used as arguments in Math formulas (e.g. 'size' command)
+// Format: no negative numbers, must start with a digit, no exponent notation, ...
+static bool lcl_IsNotWholeNumber(const OUString& rText)
+{
+ const sal_Unicode* pBuffer = rText.getStr();
+ for (sal_Int32 nPos = 0; nPos < rText.getLength(); nPos++, pBuffer++)
+ if (!rtl::isAsciiDigit(*pBuffer))
+ return true;
+ return false;
+}
+// checks hex number used as arguments in Math formulas (e.g. 'hex' command)
+// Format: no negative numbers, must start with a digit, no exponent notation, ...
+static bool lcl_IsNotWholeNumber16(const OUString& rText)
+{
+ const sal_Unicode* pBuffer = rText.getStr();
+ for (sal_Int32 nPos = 0; nPos < rText.getLength(); nPos++, pBuffer++)
+ if (!rtl::isAsciiCanonicHexDigit(*pBuffer))
+ return true;
+ return false;
+}
+
+//Text replace onto m_aBufferString
+void SmParser5::Replace(sal_Int32 nPos, sal_Int32 nLen, const OUString& rText)
+{
+ assert(nPos + nLen <= m_aBufferString.getLength()); //checks if length allows text replace
+
+ m_aBufferString = m_aBufferString.replaceAt(nPos, nLen, rText); //replace and reindex
+ sal_Int32 nChg = rText.getLength() - nLen;
+ m_nBufferIndex = m_nBufferIndex + nChg;
+ m_nTokenIndex = m_nTokenIndex + nChg;
+}
+
+void SmParser5::NextToken() //Central part of the parser
+{
+ sal_Int32 nBufLen = m_aBufferString.getLength();
+ ParseResult aRes;
+ sal_Int32 nRealStart;
+ bool bCont;
+ do
+ {
+ // skip white spaces
+ while (UnicodeType::SPACE_SEPARATOR == m_pSysCC->getType(m_aBufferString, m_nBufferIndex))
+ ++m_nBufferIndex;
+
+ // Try to parse a number in a locale-independent manner using
+ // '.' as decimal separator.
+ // See https://bz.apache.org/ooo/show_bug.cgi?id=45779
+ aRes
+ = m_aNumCC.parsePredefinedToken(KParseType::ASC_NUMBER, m_aBufferString, m_nBufferIndex,
+ coNumStartFlags, "", coNumContFlags, "");
+
+ if (aRes.TokenType == 0)
+ {
+ // Try again with the default token parsing.
+ aRes = m_pSysCC->parseAnyToken(m_aBufferString, m_nBufferIndex, coStartFlags, "",
+ coContFlags, "");
+ }
+
+ nRealStart = m_nBufferIndex + aRes.LeadingWhiteSpace;
+ m_nBufferIndex = nRealStart;
+
+ bCont = false;
+ if (aRes.TokenType == 0 && nRealStart < nBufLen && '\n' == m_aBufferString[nRealStart])
+ {
+ // keep data needed for tokens row and col entry up to date
+ ++m_nRow;
+ m_nBufferIndex = m_nColOff = nRealStart + 1;
+ bCont = true;
+ }
+ else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+ {
+ if (nRealStart + 2 <= nBufLen && m_aBufferString.match("%%", nRealStart))
+ {
+ //SkipComment
+ m_nBufferIndex = nRealStart + 2;
+ while (m_nBufferIndex < nBufLen && '\n' != m_aBufferString[m_nBufferIndex])
+ ++m_nBufferIndex;
+ bCont = true;
+ }
+ }
+
+ } while (bCont);
+
+ // set index of current token
+ m_nTokenIndex = m_nBufferIndex;
+ sal_uInt32 nCol = nRealStart - m_nColOff;
+
+ bool bHandled = true;
+ if (nRealStart >= nBufLen)
+ {
+ m_aCurToken.eType = TEND;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText.clear();
+ }
+ else if (aRes.TokenType & KParseType::ANY_NUMBER)
+ {
+ assert(aRes.EndPos > 0);
+ if (m_aBufferString[aRes.EndPos - 1] == ',' && aRes.EndPos < nBufLen
+ && m_pSysCC->getType(m_aBufferString, aRes.EndPos) != UnicodeType::SPACE_SEPARATOR)
+ {
+ // Comma followed by a non-space char is unlikely for decimal/thousands separator.
+ --aRes.EndPos;
+ }
+ sal_Int32 n = aRes.EndPos - nRealStart;
+ assert(n >= 0);
+ m_aCurToken.eType = TNUMBER;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = m_aBufferString.copy(nRealStart, n);
+
+ SAL_WARN_IF(!IsDelimiter(m_aBufferString, aRes.EndPos), "starmath",
+ "identifier really finished? (compatibility!)");
+ }
+ else if (aRes.TokenType & KParseType::DOUBLE_QUOTE_STRING)
+ {
+ m_aCurToken.eType = TTEXT;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = aRes.DequotedNameOrString;
+ nCol++;
+ }
+ else if (aRes.TokenType & KParseType::IDENTNAME)
+ {
+ sal_Int32 n = aRes.EndPos - nRealStart;
+ assert(n >= 0);
+ OUString aName(m_aBufferString.copy(nRealStart, n));
+ const SmTokenTableEntry* pEntry = GetTokenTableEntry(aName);
+
+ if (pEntry)
+ {
+ m_aCurToken.eType = pEntry->eType;
+ m_aCurToken.setChar(pEntry->cMathChar);
+ m_aCurToken.nGroup = pEntry->nGroup;
+ m_aCurToken.nLevel = pEntry->nLevel;
+ m_aCurToken.aText = pEntry->aIdent;
+ }
+ else
+ {
+ m_aCurToken.eType = TIDENT;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = aName;
+
+ SAL_WARN_IF(!IsDelimiter(m_aBufferString, aRes.EndPos), "starmath",
+ "identifier really finished? (compatibility!)");
+ }
+ }
+ else if (aRes.TokenType == 0 && '_' == m_aBufferString[nRealStart])
+ {
+ m_aCurToken.eType = TRSUB;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::Power;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "_";
+
+ aRes.EndPos = nRealStart + 1;
+ }
+ else if (aRes.TokenType & KParseType::BOOLEAN)
+ {
+ sal_Int32& rnEndPos = aRes.EndPos;
+ if (rnEndPos - nRealStart <= 2)
+ {
+ sal_Unicode ch = m_aBufferString[nRealStart];
+ switch (ch)
+ {
+ case '<':
+ {
+ if (m_aBufferString.match("<<", nRealStart))
+ {
+ m_aCurToken.eType = TLL;
+ m_aCurToken.setChar(MS_LL);
+ m_aCurToken.nGroup = TG::Relation;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "<<";
+
+ rnEndPos = nRealStart + 2;
+ }
+ else if (m_aBufferString.match("<=", nRealStart))
+ {
+ m_aCurToken.eType = TLE;
+ m_aCurToken.setChar(MS_LE);
+ m_aCurToken.nGroup = TG::Relation;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "<=";
+
+ rnEndPos = nRealStart + 2;
+ }
+ else if (m_aBufferString.match("<-", nRealStart))
+ {
+ m_aCurToken.eType = TLEFTARROW;
+ m_aCurToken.setChar(MS_LEFTARROW);
+ m_aCurToken.nGroup = TG::Standalone;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "<-";
+
+ rnEndPos = nRealStart + 2;
+ }
+ else if (m_aBufferString.match("<>", nRealStart))
+ {
+ m_aCurToken.eType = TNEQ;
+ m_aCurToken.setChar(MS_NEQ);
+ m_aCurToken.nGroup = TG::Relation;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "<>";
+
+ rnEndPos = nRealStart + 2;
+ }
+ else if (m_aBufferString.match("<?>", nRealStart))
+ {
+ m_aCurToken.eType = TPLACE;
+ m_aCurToken.setChar(MS_PLACE);
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "<?>";
+
+ rnEndPos = nRealStart + 3;
+ }
+ else
+ {
+ m_aCurToken.eType = TLT;
+ m_aCurToken.setChar(MS_LT);
+ m_aCurToken.nGroup = TG::Relation;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "<";
+ }
+ }
+ break;
+ case '>':
+ {
+ if (m_aBufferString.match(">=", nRealStart))
+ {
+ m_aCurToken.eType = TGE;
+ m_aCurToken.setChar(MS_GE);
+ m_aCurToken.nGroup = TG::Relation;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = ">=";
+
+ rnEndPos = nRealStart + 2;
+ }
+ else if (m_aBufferString.match(">>", nRealStart))
+ {
+ m_aCurToken.eType = TGG;
+ m_aCurToken.setChar(MS_GG);
+ m_aCurToken.nGroup = TG::Relation;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = ">>";
+
+ rnEndPos = nRealStart + 2;
+ }
+ else
+ {
+ m_aCurToken.eType = TGT;
+ m_aCurToken.setChar(MS_GT);
+ m_aCurToken.nGroup = TG::Relation;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = ">";
+ }
+ }
+ break;
+ default:
+ bHandled = false;
+ }
+ }
+ }
+ else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+ {
+ sal_Int32& rnEndPos = aRes.EndPos;
+ if (rnEndPos - nRealStart == 1)
+ {
+ sal_Unicode ch = m_aBufferString[nRealStart];
+ switch (ch)
+ {
+ case '%':
+ {
+ //! modifies aRes.EndPos
+
+ OSL_ENSURE(rnEndPos >= nBufLen || '%' != m_aBufferString[rnEndPos],
+ "unexpected comment start");
+
+ // get identifier of user-defined character
+ ParseResult aTmpRes = m_pSysCC->parseAnyToken(m_aBufferString, rnEndPos,
+ KParseTokens::ANY_LETTER, "",
+ coUserDefinedCharContFlags, "");
+
+ sal_Int32 nTmpStart = rnEndPos + aTmpRes.LeadingWhiteSpace;
+
+ // default setting for the case that no identifier
+ // i.e. a valid symbol-name is following the '%'
+ // character
+ m_aCurToken.eType = TTEXT;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "%";
+
+ if (aTmpRes.TokenType & KParseType::IDENTNAME)
+ {
+ sal_Int32 n = aTmpRes.EndPos - nTmpStart;
+ m_aCurToken.eType = TSPECIAL;
+ m_aCurToken.aText = m_aBufferString.copy(nTmpStart - 1, n + 1);
+
+ OSL_ENSURE(aTmpRes.EndPos > rnEndPos, "empty identifier");
+ if (aTmpRes.EndPos > rnEndPos)
+ rnEndPos = aTmpRes.EndPos;
+ else
+ ++rnEndPos;
+ }
+
+ // if no symbol-name was found we start-over with
+ // finding the next token right after the '%' sign.
+ // I.e. we leave rnEndPos unmodified.
+ }
+ break;
+ case '[':
+ {
+ m_aCurToken.eType = TLBRACKET;
+ m_aCurToken.setChar(MS_LBRACKET);
+ m_aCurToken.nGroup = TG::LBrace;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "[";
+ }
+ break;
+ case '\\':
+ {
+ m_aCurToken.eType = TESCAPE;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "\\";
+ }
+ break;
+ case ']':
+ {
+ m_aCurToken.eType = TRBRACKET;
+ m_aCurToken.setChar(MS_RBRACKET);
+ m_aCurToken.nGroup = TG::RBrace;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "]";
+ }
+ break;
+ case '^':
+ {
+ m_aCurToken.eType = TRSUP;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::Power;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "^";
+ }
+ break;
+ case '`':
+ {
+ m_aCurToken.eType = TSBLANK;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::Blank;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "`";
+ }
+ break;
+ case '{':
+ {
+ m_aCurToken.eType = TLGROUP;
+ m_aCurToken.setChar(MS_LBRACE);
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "{";
+ }
+ break;
+ case '|':
+ {
+ m_aCurToken.eType = TOR;
+ m_aCurToken.setChar(MS_OR);
+ m_aCurToken.nGroup = TG::Sum;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "|";
+ }
+ break;
+ case '}':
+ {
+ m_aCurToken.eType = TRGROUP;
+ m_aCurToken.setChar(MS_RBRACE);
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "}";
+ }
+ break;
+ case '~':
+ {
+ m_aCurToken.eType = TBLANK;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::Blank;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "~";
+ }
+ break;
+ case '#':
+ {
+ if (m_aBufferString.match("##", nRealStart))
+ {
+ m_aCurToken.eType = TDPOUND;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "##";
+
+ rnEndPos = nRealStart + 2;
+ }
+ else
+ {
+ m_aCurToken.eType = TPOUND;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "#";
+ }
+ }
+ break;
+ case '&':
+ {
+ m_aCurToken.eType = TAND;
+ m_aCurToken.setChar(MS_AND);
+ m_aCurToken.nGroup = TG::Product;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "&";
+ }
+ break;
+ case '(':
+ {
+ m_aCurToken.eType = TLPARENT;
+ m_aCurToken.setChar(MS_LPARENT);
+ m_aCurToken.nGroup = TG::LBrace;
+ m_aCurToken.nLevel = 5; //! 0 to continue expression
+ m_aCurToken.aText = "(";
+ }
+ break;
+ case ')':
+ {
+ m_aCurToken.eType = TRPARENT;
+ m_aCurToken.setChar(MS_RPARENT);
+ m_aCurToken.nGroup = TG::RBrace;
+ m_aCurToken.nLevel = 0; //! 0 to terminate expression
+ m_aCurToken.aText = ")";
+ }
+ break;
+ case '*':
+ {
+ m_aCurToken.eType = TMULTIPLY;
+ m_aCurToken.setChar(MS_MULTIPLY);
+ m_aCurToken.nGroup = TG::Product;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "*";
+ }
+ break;
+ case '+':
+ {
+ if (m_aBufferString.match("+-", nRealStart))
+ {
+ m_aCurToken.eType = TPLUSMINUS;
+ m_aCurToken.setChar(MS_PLUSMINUS);
+ m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "+-";
+
+ rnEndPos = nRealStart + 2;
+ }
+ else
+ {
+ m_aCurToken.eType = TPLUS;
+ m_aCurToken.setChar(MS_PLUS);
+ m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "+";
+ }
+ }
+ break;
+ case '-':
+ {
+ if (m_aBufferString.match("-+", nRealStart))
+ {
+ m_aCurToken.eType = TMINUSPLUS;
+ m_aCurToken.setChar(MS_MINUSPLUS);
+ m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "-+";
+
+ rnEndPos = nRealStart + 2;
+ }
+ else if (m_aBufferString.match("->", nRealStart))
+ {
+ m_aCurToken.eType = TRIGHTARROW;
+ m_aCurToken.setChar(MS_RIGHTARROW);
+ m_aCurToken.nGroup = TG::Standalone;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "->";
+
+ rnEndPos = nRealStart + 2;
+ }
+ else
+ {
+ m_aCurToken.eType = TMINUS;
+ m_aCurToken.setChar(MS_MINUS);
+ m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "-";
+ }
+ }
+ break;
+ case '.':
+ {
+ // Only one character? Then it can't be a number.
+ if (m_nBufferIndex < m_aBufferString.getLength() - 1)
+ {
+ // for compatibility with SO5.2
+ // texts like .34 ...56 ... h ...78..90
+ // will be treated as numbers
+ m_aCurToken.eType = TNUMBER;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 5;
+
+ sal_Int32 nTxtStart = m_nBufferIndex;
+ sal_Unicode cChar;
+ // if the equation ends with dot(.) then increment m_nBufferIndex till end of string only
+ do
+ {
+ cChar = m_aBufferString[++m_nBufferIndex];
+ } while ((cChar == '.' || rtl::isAsciiDigit(cChar))
+ && (m_nBufferIndex < m_aBufferString.getLength() - 1));
+
+ m_aCurToken.aText
+ = m_aBufferString.copy(nTxtStart, m_nBufferIndex - nTxtStart);
+ aRes.EndPos = m_nBufferIndex;
+ }
+ else
+ bHandled = false;
+ }
+ break;
+ case '/':
+ {
+ m_aCurToken.eType = TDIVIDEBY;
+ m_aCurToken.setChar(MS_SLASH);
+ m_aCurToken.nGroup = TG::Product;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "/";
+ }
+ break;
+ case '=':
+ {
+ m_aCurToken.eType = TASSIGN;
+ m_aCurToken.setChar(MS_ASSIGN);
+ m_aCurToken.nGroup = TG::Relation;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "=";
+ }
+ break;
+ default:
+ bHandled = false;
+ }
+ }
+ }
+ else
+ bHandled = false;
+
+ if (!bHandled)
+ {
+ m_aCurToken.eType = TCHARACTER;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 5;
+
+ // tdf#129372: we may have to deal with surrogate pairs
+ // (see https://en.wikipedia.org/wiki/Universal_Character_Set_characters#Surrogates)
+ // in this case, we must read 2 sal_Unicode instead of 1
+ int nOffset(rtl::isSurrogate(m_aBufferString[nRealStart]) ? 2 : 1);
+ m_aCurToken.aText = m_aBufferString.copy(nRealStart, nOffset);
+
+ aRes.EndPos = nRealStart + nOffset;
+ }
+ m_aCurESelection = ESelection(m_nRow, nCol, m_nRow, nCol + m_aCurToken.aText.getLength());
+
+ if (TEND != m_aCurToken.eType)
+ m_nBufferIndex = aRes.EndPos;
+}
+
+void SmParser5::NextTokenColor(SmTokenType dvipload)
+{
+ sal_Int32 nBufLen = m_aBufferString.getLength();
+ ParseResult aRes;
+ sal_Int32 nRealStart;
+ bool bCont;
+
+ do
+ {
+ // skip white spaces
+ while (UnicodeType::SPACE_SEPARATOR == m_pSysCC->getType(m_aBufferString, m_nBufferIndex))
+ ++m_nBufferIndex;
+ //parse, there are few options, so less strict.
+ aRes = m_pSysCC->parseAnyToken(m_aBufferString, m_nBufferIndex, coStartFlags, "",
+ coContFlags, "");
+ nRealStart = m_nBufferIndex + aRes.LeadingWhiteSpace;
+ m_nBufferIndex = nRealStart;
+ bCont = false;
+ if (aRes.TokenType == 0 && nRealStart < nBufLen && '\n' == m_aBufferString[nRealStart])
+ {
+ // keep data needed for tokens row and col entry up to date
+ ++m_nRow;
+ m_nBufferIndex = m_nColOff = nRealStart + 1;
+ bCont = true;
+ }
+ else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+ {
+ if (nRealStart + 2 <= nBufLen && m_aBufferString.match("%%", nRealStart))
+ {
+ //SkipComment
+ m_nBufferIndex = nRealStart + 2;
+ while (m_nBufferIndex < nBufLen && '\n' != m_aBufferString[m_nBufferIndex])
+ ++m_nBufferIndex;
+ bCont = true;
+ }
+ }
+ } while (bCont);
+
+ // set index of current token
+ m_nTokenIndex = m_nBufferIndex;
+ sal_uInt32 nCol = nRealStart - m_nColOff;
+
+ if (nRealStart >= nBufLen)
+ m_aCurToken.eType = TEND;
+ else if (aRes.TokenType & KParseType::IDENTNAME)
+ {
+ sal_Int32 n = aRes.EndPos - nRealStart;
+ assert(n >= 0);
+ OUString aName(m_aBufferString.copy(nRealStart, n));
+ switch (dvipload)
+ {
+ case TCOLOR:
+ m_aCurToken = starmathdatabase::Identify_ColorName_Parser(aName);
+ break;
+ case TDVIPSNAMESCOL:
+ m_aCurToken = starmathdatabase::Identify_ColorName_DVIPSNAMES(aName);
+ break;
+ default:
+ m_aCurToken = starmathdatabase::Identify_ColorName_Parser(aName);
+ break;
+ }
+ }
+ else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+ {
+ if (m_aBufferString[nRealStart] == '#' && !m_aBufferString.match("##", nRealStart))
+ {
+ m_aCurToken.eType = THEX;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::Color;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "hex";
+ }
+ }
+ else
+ m_aCurToken.eType = TNONE;
+
+ m_aCurESelection = ESelection(m_nRow, nCol, m_nRow, nCol + m_aCurToken.aText.getLength());
+ if (TEND != m_aCurToken.eType)
+ m_nBufferIndex = aRes.EndPos;
+}
+
+void SmParser5::NextTokenFontSize()
+{
+ sal_Int32 nBufLen = m_aBufferString.getLength();
+ ParseResult aRes;
+ sal_Int32 nRealStart;
+ bool bCont;
+ bool hex = false;
+
+ do
+ {
+ // skip white spaces
+ while (UnicodeType::SPACE_SEPARATOR == m_pSysCC->getType(m_aBufferString, m_nBufferIndex))
+ ++m_nBufferIndex;
+ //hexadecimal parser
+ aRes = m_pSysCC->parseAnyToken(m_aBufferString, m_nBufferIndex, coNum16StartFlags, ".",
+ coNum16ContFlags, ".,");
+ if (aRes.TokenType == 0)
+ {
+ // Try again with the default token parsing.
+ aRes = m_pSysCC->parseAnyToken(m_aBufferString, m_nBufferIndex, coStartFlags, "",
+ coContFlags, "");
+ }
+ else
+ hex = true;
+ nRealStart = m_nBufferIndex + aRes.LeadingWhiteSpace;
+ m_nBufferIndex = nRealStart;
+ bCont = false;
+ if (aRes.TokenType == 0 && nRealStart < nBufLen && '\n' == m_aBufferString[nRealStart])
+ {
+ // keep data needed for tokens row and col entry up to date
+ ++m_nRow;
+ m_nBufferIndex = m_nColOff = nRealStart + 1;
+ bCont = true;
+ }
+ else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+ {
+ if (nRealStart + 2 <= nBufLen && m_aBufferString.match("%%", nRealStart))
+ {
+ //SkipComment
+ m_nBufferIndex = nRealStart + 2;
+ while (m_nBufferIndex < nBufLen && '\n' != m_aBufferString[m_nBufferIndex])
+ ++m_nBufferIndex;
+ bCont = true;
+ }
+ }
+ } while (bCont);
+
+ // set index of current token
+ m_nTokenIndex = m_nBufferIndex;
+ sal_uInt32 nCol = nRealStart - m_nColOff;
+
+ if (nRealStart >= nBufLen)
+ m_aCurToken.eType = TEND;
+ else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
+ {
+ if (aRes.EndPos - nRealStart == 1)
+ {
+ switch (m_aBufferString[nRealStart])
+ {
+ case '*':
+ m_aCurToken.eType = TMULTIPLY;
+ m_aCurToken.setChar(MS_MULTIPLY);
+ m_aCurToken.nGroup = TG::Product;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "*";
+ break;
+ case '+':
+ m_aCurToken.eType = TPLUS;
+ m_aCurToken.setChar(MS_PLUS);
+ m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "+";
+ break;
+ case '-':
+ m_aCurToken.eType = TMINUS;
+ m_aCurToken.setChar(MS_MINUS);
+ m_aCurToken.nGroup = TG::UnOper | TG::Sum;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = "-";
+ break;
+ case '/':
+ m_aCurToken.eType = TDIVIDEBY;
+ m_aCurToken.setChar(MS_SLASH);
+ m_aCurToken.nGroup = TG::Product;
+ m_aCurToken.nLevel = 0;
+ m_aCurToken.aText = "/";
+ break;
+ default:
+ m_aCurToken.eType = TNONE;
+ break;
+ }
+ }
+ else
+ m_aCurToken.eType = TNONE;
+ }
+ else if (hex)
+ {
+ assert(aRes.EndPos > 0);
+ sal_Int32 n = aRes.EndPos - nRealStart;
+ assert(n >= 0);
+ m_aCurToken.eType = THEX;
+ m_aCurToken.cMathChar = u"";
+ m_aCurToken.nGroup = TG::NONE;
+ m_aCurToken.nLevel = 5;
+ m_aCurToken.aText = m_aBufferString.copy(nRealStart, n);
+ }
+ else
+ m_aCurToken.eType = TNONE;
+
+ m_aCurESelection = ESelection(m_nRow, nCol, m_nRow, nCol + m_aCurToken.aText.getLength());
+ if (TEND != m_aCurToken.eType)
+ m_nBufferIndex = aRes.EndPos;
+}
+
+namespace
+{
+SmNodeArray buildNodeArray(std::vector<std::unique_ptr<SmNode>>& rSubNodes)
+{
+ SmNodeArray aSubArray(rSubNodes.size());
+ for (size_t i = 0; i < rSubNodes.size(); ++i)
+ aSubArray[i] = rSubNodes[i].release();
+ return aSubArray;
+}
+} //end namespace
+
+// grammar
+/*************************************************************************************************/
+
+std::unique_ptr<SmTableNode> SmParser5::DoTable()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ std::vector<std::unique_ptr<SmNode>> aLineArray;
+ aLineArray.push_back(DoLine());
+ while (m_aCurToken.eType == TNEWLINE)
+ {
+ NextToken();
+ aLineArray.push_back(DoLine());
+ }
+ assert(m_aCurToken.eType == TEND);
+ std::unique_ptr<SmTableNode> xSNode(new SmTableNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+ xSNode->SetSubNodes(buildNodeArray(aLineArray));
+ return xSNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoAlign(bool bUseExtraSpaces)
+// parse alignment info (if any), then go on with rest of expression
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ std::unique_ptr<SmStructureNode> xSNode;
+
+ if (TokenInGroup(TG::Align))
+ {
+ xSNode.reset(new SmAlignNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+
+ NextToken();
+
+ // allow for just one align statement in 5.0
+ if (TokenInGroup(TG::Align))
+ return DoError(SmParseError::DoubleAlign);
+ }
+
+ auto pNode = DoExpression(bUseExtraSpaces);
+
+ if (xSNode)
+ {
+ xSNode->SetSubNode(0, pNode.release());
+ return xSNode;
+ }
+ return pNode;
+}
+
+// Postcondition: m_aCurToken.eType == TEND || m_aCurToken.eType == TNEWLINE
+std::unique_ptr<SmNode> SmParser5::DoLine()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ std::vector<std::unique_ptr<SmNode>> ExpressionArray;
+
+ // start with single expression that may have an alignment statement
+ // (and go on with expressions that must not have alignment
+ // statements in 'while' loop below. See also 'Expression()'.)
+ if (m_aCurToken.eType != TEND && m_aCurToken.eType != TNEWLINE)
+ ExpressionArray.push_back(DoAlign());
+
+ while (m_aCurToken.eType != TEND && m_aCurToken.eType != TNEWLINE)
+ ExpressionArray.push_back(DoExpression());
+
+ //If there's no expression, add an empty one.
+ //this is to avoid a formula tree without any caret
+ //positions, in visual formula editor.
+ if (ExpressionArray.empty())
+ {
+ SmToken aTok;
+ aTok.eType = TNEWLINE;
+ ExpressionArray.emplace_back(std::unique_ptr<SmNode>(new SmExpressionNode(aTok)));
+ }
+
+ auto xSNode = std::make_unique<SmLineNode>(m_aCurToken);
+ xSNode->SetSelection(m_aCurESelection);
+ xSNode->SetSubNodes(buildNodeArray(ExpressionArray));
+ return xSNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoExpression(bool bUseExtraSpaces)
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ std::vector<std::unique_ptr<SmNode>> RelationArray;
+ RelationArray.push_back(DoRelation());
+ while (m_aCurToken.nLevel >= 4)
+ RelationArray.push_back(DoRelation());
+
+ if (RelationArray.size() > 1)
+ {
+ std::unique_ptr<SmExpressionNode> xSNode(new SmExpressionNode(m_aCurToken));
+ xSNode->SetSubNodes(buildNodeArray(RelationArray));
+ xSNode->SetUseExtraSpaces(bUseExtraSpaces);
+ return xSNode;
+ }
+ else
+ {
+ // This expression has only one node so just push this node.
+ return std::move(RelationArray[0]);
+ }
+}
+
+std::unique_ptr<SmNode> SmParser5::DoRelation()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ int nDepthLimit = m_nParseDepth;
+
+ auto xFirst = DoSum();
+ while (TokenInGroup(TG::Relation))
+ {
+ std::unique_ptr<SmStructureNode> xSNode(new SmBinHorNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+ auto xSecond = DoOpSubSup();
+ auto xThird = DoSum();
+ xSNode->SetSubNodes(std::move(xFirst), std::move(xSecond), std::move(xThird));
+ xFirst = std::move(xSNode);
+
+ ++m_nParseDepth;
+ DepthProtect bDepthGuard(m_nParseDepth);
+ }
+
+ m_nParseDepth = nDepthLimit;
+
+ return xFirst;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoSum()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ int nDepthLimit = m_nParseDepth;
+
+ auto xFirst = DoProduct();
+ while (TokenInGroup(TG::Sum))
+ {
+ std::unique_ptr<SmStructureNode> xSNode(new SmBinHorNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+ auto xSecond = DoOpSubSup();
+ auto xThird = DoProduct();
+ xSNode->SetSubNodes(std::move(xFirst), std::move(xSecond), std::move(xThird));
+ xFirst = std::move(xSNode);
+
+ ++m_nParseDepth;
+ DepthProtect bDepthGuard(m_nParseDepth);
+ }
+
+ m_nParseDepth = nDepthLimit;
+
+ return xFirst;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoProduct()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ auto xFirst = DoPower();
+
+ int nDepthLimit = 0;
+
+ while (TokenInGroup(TG::Product))
+ {
+ //this linear loop builds a recursive structure, if it gets
+ //too deep then later processing, e.g. releasing the tree,
+ //can exhaust stack
+ if (m_nParseDepth + nDepthLimit > DEPTH_LIMIT)
+ throw std::range_error("parser depth limit");
+
+ std::unique_ptr<SmStructureNode> xSNode;
+ std::unique_ptr<SmNode> xOper;
+
+ SmTokenType eType = m_aCurToken.eType;
+ switch (eType)
+ {
+ case TOVER:
+ xSNode.reset(new SmBinVerNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+ xOper.reset(new SmRectangleNode(m_aCurToken));
+ xOper->SetSelection(m_aCurESelection);
+ NextToken();
+ break;
+
+ case TBOPER:
+ xSNode.reset(new SmBinHorNode(m_aCurToken));
+
+ NextToken();
+
+ //Let the glyph node know it's a binary operation
+ m_aCurToken.eType = TBOPER;
+ m_aCurToken.nGroup = TG::Product;
+ xOper = DoGlyphSpecial();
+ break;
+
+ case TOVERBRACE:
+ case TUNDERBRACE:
+ xSNode.reset(new SmVerticalBraceNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+ xOper.reset(new SmMathSymbolNode(m_aCurToken));
+ xOper->SetSelection(m_aCurESelection);
+
+ NextToken();
+ break;
+
+ case TWIDEBACKSLASH:
+ case TWIDESLASH:
+ {
+ SmBinDiagonalNode* pSTmp = new SmBinDiagonalNode(m_aCurToken);
+ pSTmp->SetAscending(eType == TWIDESLASH);
+ xSNode.reset(pSTmp);
+
+ xOper.reset(new SmPolyLineNode(m_aCurToken));
+ xOper->SetSelection(m_aCurESelection);
+ NextToken();
+
+ break;
+ }
+
+ default:
+ xSNode.reset(new SmBinHorNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+
+ xOper = DoOpSubSup();
+ }
+
+ auto xArg = DoPower();
+ xSNode->SetSubNodesBinMo(std::move(xFirst), std::move(xOper), std::move(xArg));
+ xFirst = std::move(xSNode);
+ ++nDepthLimit;
+ }
+ return xFirst;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoSubSup(TG nActiveGroup, std::unique_ptr<SmNode> xGivenNode)
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ assert(nActiveGroup == TG::Power || nActiveGroup == TG::Limit);
+ assert(m_aCurToken.nGroup == nActiveGroup);
+
+ std::unique_ptr<SmSubSupNode> pNode(new SmSubSupNode(m_aCurToken));
+ pNode->SetSelection(m_aCurESelection);
+ //! Of course 'm_aCurToken' is just the first sub-/supscript token.
+ //! It should be of no further interest. The positions of the
+ //! sub-/supscripts will be identified by the corresponding subnodes
+ //! index in the 'aSubNodes' array (enum value from 'SmSubSup').
+
+ pNode->SetUseLimits(nActiveGroup == TG::Limit);
+
+ // initialize subnodes array
+ std::vector<std::unique_ptr<SmNode>> aSubNodes(1 + SUBSUP_NUM_ENTRIES);
+ aSubNodes[0] = std::move(xGivenNode);
+
+ // process all sub-/supscripts
+ int nIndex = 0;
+ while (TokenInGroup(nActiveGroup))
+ {
+ SmTokenType eType(m_aCurToken.eType);
+
+ switch (eType)
+ {
+ case TRSUB:
+ nIndex = static_cast<int>(RSUB);
+ break;
+ case TRSUP:
+ nIndex = static_cast<int>(RSUP);
+ break;
+ case TFROM:
+ case TCSUB:
+ nIndex = static_cast<int>(CSUB);
+ break;
+ case TTO:
+ case TCSUP:
+ nIndex = static_cast<int>(CSUP);
+ break;
+ case TLSUB:
+ nIndex = static_cast<int>(LSUB);
+ break;
+ case TLSUP:
+ nIndex = static_cast<int>(LSUP);
+ break;
+ default:
+ SAL_WARN("starmath", "unknown case");
+ }
+ nIndex++;
+ assert(1 <= nIndex && nIndex <= SUBSUP_NUM_ENTRIES);
+
+ std::unique_ptr<SmNode> xENode;
+ if (aSubNodes[nIndex]) // if already occupied at earlier iteration
+ {
+ // forget the earlier one, remember an error instead
+ aSubNodes[nIndex].reset();
+ xENode = DoError(SmParseError::DoubleSubsupscript); // this also skips current token.
+ }
+ else
+ {
+ // skip sub-/supscript token
+ NextToken();
+ }
+
+ // get sub-/supscript node
+ // (even when we saw a double-sub/supscript error in the above
+ // in order to minimize mess and continue parsing.)
+ std::unique_ptr<SmNode> xSNode;
+ if (eType == TFROM || eType == TTO)
+ {
+ // parse limits in old 4.0 and 5.0 style
+ xSNode = DoRelation();
+ }
+ else
+ xSNode = DoTerm(true);
+
+ aSubNodes[nIndex] = std::move(xENode ? xENode : xSNode);
+ }
+
+ pNode->SetSubNodes(buildNodeArray(aSubNodes));
+ return pNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoSubSupEvaluate(std::unique_ptr<SmNode> xGivenNode)
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ std::unique_ptr<SmSubSupNode> pNode(new SmSubSupNode(m_aCurToken));
+ pNode->SetSelection(m_aCurESelection);
+ pNode->SetUseLimits(true);
+
+ // initialize subnodes array
+ std::vector<std::unique_ptr<SmNode>> aSubNodes(1 + SUBSUP_NUM_ENTRIES);
+ aSubNodes[0] = std::move(xGivenNode);
+
+ // process all sub-/supscripts
+ int nIndex = 0;
+ while (TokenInGroup(TG::Limit))
+ {
+ SmTokenType eType(m_aCurToken.eType);
+
+ switch (eType)
+ {
+ case TFROM:
+ nIndex = static_cast<int>(RSUB);
+ break;
+ case TTO:
+ nIndex = static_cast<int>(RSUP);
+ break;
+ default:
+ SAL_WARN("starmath", "unknown case");
+ }
+ nIndex++;
+ assert(1 <= nIndex && nIndex <= SUBSUP_NUM_ENTRIES);
+
+ std::unique_ptr<SmNode> xENode;
+ if (aSubNodes[nIndex]) // if already occupied at earlier iteration
+ {
+ // forget the earlier one, remember an error instead
+ aSubNodes[nIndex].reset();
+ xENode = DoError(SmParseError::DoubleSubsupscript); // this also skips current token.
+ }
+ else
+ NextToken(); // skip sub-/supscript token
+
+ // get sub-/supscript node
+ std::unique_ptr<SmNode> xSNode;
+ xSNode = DoTerm(true);
+
+ aSubNodes[nIndex] = std::move(xENode ? xENode : xSNode);
+ }
+
+ pNode->SetSubNodes(buildNodeArray(aSubNodes));
+ return pNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoOpSubSup()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ // get operator symbol
+ auto xNode = std::make_unique<SmMathSymbolNode>(m_aCurToken);
+ xNode->SetSelection(m_aCurESelection);
+ // skip operator token
+ NextToken();
+ // get sub- supscripts if any
+ if (m_aCurToken.nGroup == TG::Power)
+ return DoSubSup(TG::Power, std::move(xNode));
+ return xNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoPower()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ // get body for sub- supscripts on top of stack
+ std::unique_ptr<SmNode> xNode(DoTerm(false));
+
+ if (m_aCurToken.nGroup == TG::Power)
+ return DoSubSup(TG::Power, std::move(xNode));
+ return xNode;
+}
+
+std::unique_ptr<SmBlankNode> SmParser5::DoBlank()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ assert(TokenInGroup(TG::Blank));
+ std::unique_ptr<SmBlankNode> pBlankNode(new SmBlankNode(m_aCurToken));
+ pBlankNode->SetSelection(m_aCurESelection);
+
+ do
+ {
+ pBlankNode->IncreaseBy(m_aCurToken);
+ NextToken();
+ } while (TokenInGroup(TG::Blank));
+
+ // Ignore trailing spaces, if corresponding option is set
+ if (m_aCurToken.eType == TNEWLINE
+ || (m_aCurToken.eType == TEND && !utl::ConfigManager::IsFuzzing()
+ && SM_MOD()->GetConfig()->IsIgnoreSpacesRight()))
+ {
+ pBlankNode->Clear();
+ }
+ return pBlankNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoTerm(bool bGroupNumberIdent)
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ switch (m_aCurToken.eType)
+ {
+ case TESCAPE:
+ return DoEscape();
+
+ case TNOSPACE:
+ case TLGROUP:
+ {
+ bool bNoSpace = m_aCurToken.eType == TNOSPACE;
+ if (bNoSpace)
+ NextToken();
+ if (m_aCurToken.eType != TLGROUP)
+ return DoTerm(false); // nospace is no longer concerned
+
+ NextToken();
+
+ // allow for empty group
+ if (m_aCurToken.eType == TRGROUP)
+ {
+ std::unique_ptr<SmStructureNode> xSNode(new SmExpressionNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+ xSNode->SetSubNodes(nullptr, nullptr);
+
+ NextToken();
+ return std::unique_ptr<SmNode>(xSNode.release());
+ }
+
+ auto pNode = DoAlign(!bNoSpace);
+ if (m_aCurToken.eType == TRGROUP)
+ {
+ NextToken();
+ return pNode;
+ }
+ auto xSNode = std::make_unique<SmExpressionNode>(m_aCurToken);
+ xSNode->SetSelection(m_aCurESelection);
+ std::unique_ptr<SmNode> xError(DoError(SmParseError::RgroupExpected));
+ xSNode->SetSubNodes(std::move(pNode), std::move(xError));
+ return std::unique_ptr<SmNode>(xSNode.release());
+ }
+
+ case TLEFT:
+ return DoBrace();
+ case TEVALUATE:
+ return DoEvaluate();
+
+ case TBLANK:
+ case TSBLANK:
+ return DoBlank();
+
+ case TTEXT:
+ {
+ auto pNode = std::make_unique<SmTextNode>(m_aCurToken, FNT_TEXT);
+ pNode->SetSelection(m_aCurESelection);
+ NextToken();
+ return std::unique_ptr<SmNode>(pNode.release());
+ }
+ case TCHARACTER:
+ {
+ auto pNode = std::make_unique<SmTextNode>(m_aCurToken, FNT_VARIABLE);
+ pNode->SetSelection(m_aCurESelection);
+ NextToken();
+ return std::unique_ptr<SmNode>(pNode.release());
+ }
+ case TIDENT:
+ case TNUMBER:
+ {
+ auto pTextNode = std::make_unique<SmTextNode>(
+ m_aCurToken, m_aCurToken.eType == TNUMBER ? FNT_NUMBER : FNT_VARIABLE);
+ pTextNode->SetSelection(m_aCurESelection);
+ if (!bGroupNumberIdent)
+ {
+ NextToken();
+ return std::unique_ptr<SmNode>(pTextNode.release());
+ }
+ std::vector<std::unique_ptr<SmNode>> aNodes;
+ // Some people want to be able to write "x_2n" for "x_{2n}"
+ // although e.g. LaTeX or AsciiMath interpret that as "x_2 n".
+ // The tokenizer skips whitespaces so we need some additional
+ // work to distinguish from "x_2 n".
+ // See https://bz.apache.org/ooo/show_bug.cgi?id=11752 and
+ // https://bugs.libreoffice.org/show_bug.cgi?id=55853
+ sal_Int32 nBufLen = m_aBufferString.getLength();
+
+ // We need to be careful to call NextToken() only after having
+ // tested for a whitespace separator (otherwise it will be
+ // skipped!)
+ bool moveToNextToken = true;
+ while (m_nBufferIndex < nBufLen
+ && m_pSysCC->getType(m_aBufferString, m_nBufferIndex)
+ != UnicodeType::SPACE_SEPARATOR)
+ {
+ NextToken();
+ if (m_aCurToken.eType != TNUMBER && m_aCurToken.eType != TIDENT)
+ {
+ // Neither a number nor an identifier. We just moved to
+ // the next token, so no need to do that again.
+ moveToNextToken = false;
+ break;
+ }
+ aNodes.emplace_back(std::unique_ptr<SmNode>(new SmTextNode(
+ m_aCurToken, m_aCurToken.eType == TNUMBER ? FNT_NUMBER : FNT_VARIABLE)));
+ }
+ if (moveToNextToken)
+ NextToken();
+ if (aNodes.empty())
+ return std::unique_ptr<SmNode>(pTextNode.release());
+ // We have several concatenated identifiers and numbers.
+ // Let's group them into one SmExpressionNode.
+ aNodes.insert(aNodes.begin(), std::move(pTextNode));
+ std::unique_ptr<SmExpressionNode> xNode(new SmExpressionNode(SmToken()));
+ xNode->SetSubNodes(buildNodeArray(aNodes));
+ return std::unique_ptr<SmNode>(xNode.release());
+ }
+ case TLEFTARROW:
+ case TRIGHTARROW:
+ case TUPARROW:
+ case TDOWNARROW:
+ case TCIRC:
+ case TDRARROW:
+ case TDLARROW:
+ case TDLRARROW:
+ case TEXISTS:
+ case TNOTEXISTS:
+ case TFORALL:
+ case TPARTIAL:
+ case TNABLA:
+ case TLAPLACE:
+ case TFOURIER:
+ case TTOWARD:
+ case TDOTSAXIS:
+ case TDOTSDIAG:
+ case TDOTSDOWN:
+ case TDOTSLOW:
+ case TDOTSUP:
+ case TDOTSVERT:
+ {
+ auto pNode = std::make_unique<SmMathSymbolNode>(m_aCurToken);
+ pNode->SetSelection(m_aCurESelection);
+ NextToken();
+ return std::unique_ptr<SmNode>(pNode.release());
+ }
+
+ case TSETN:
+ case TSETZ:
+ case TSETQ:
+ case TSETR:
+ case TSETC:
+ case THBAR:
+ case TLAMBDABAR:
+ case TBACKEPSILON:
+ case TALEPH:
+ case TIM:
+ case TRE:
+ case TWP:
+ case TEMPTYSET:
+ case TINFINITY:
+ {
+ auto pNode = std::make_unique<SmMathIdentifierNode>(m_aCurToken);
+ pNode->SetSelection(m_aCurESelection);
+ NextToken();
+ return std::unique_ptr<SmNode>(pNode.release());
+ }
+
+ case TPLACE:
+ {
+ auto pNode = std::make_unique<SmPlaceNode>(m_aCurToken);
+ pNode->SetSelection(m_aCurESelection);
+ NextToken();
+ return std::unique_ptr<SmNode>(pNode.release());
+ }
+
+ case TSPECIAL:
+ return DoSpecial();
+
+ case TBINOM:
+ return DoBinom();
+
+ case TFRAC:
+ return DoFrac();
+
+ case TSTACK:
+ return DoStack();
+
+ case TMATRIX:
+ return DoMatrix();
+
+ case THEX:
+ NextTokenFontSize();
+ if (m_aCurToken.eType == THEX)
+ {
+ auto pTextNode = std::make_unique<SmTextNode>(m_aCurToken, FNT_NUMBER);
+ pTextNode->SetSelection(m_aCurESelection);
+ NextToken();
+ return pTextNode;
+ }
+ else
+ return DoError(SmParseError::NumberExpected);
+ default:
+ if (TokenInGroup(TG::LBrace))
+ return DoBrace();
+ if (TokenInGroup(TG::Oper))
+ return DoOperator();
+ if (TokenInGroup(TG::UnOper))
+ return DoUnOper();
+ if (TokenInGroup(TG::Attribute) || TokenInGroup(TG::FontAttr))
+ {
+ std::stack<std::unique_ptr<SmStructureNode>,
+ std::vector<std::unique_ptr<SmStructureNode>>>
+ aStack;
+ bool bIsAttr;
+ for (;;)
+ {
+ bIsAttr = TokenInGroup(TG::Attribute);
+ if (!bIsAttr && !TokenInGroup(TG::FontAttr))
+ break;
+ aStack.push(bIsAttr ? DoAttribute() : DoFontAttribute());
+ }
+
+ auto xFirstNode = DoPower();
+ while (!aStack.empty())
+ {
+ std::unique_ptr<SmStructureNode> xNode = std::move(aStack.top());
+ aStack.pop();
+ xNode->SetSubNodes(nullptr, std::move(xFirstNode));
+ xFirstNode = std::move(xNode);
+ }
+ return xFirstNode;
+ }
+ if (TokenInGroup(TG::Function))
+ return DoFunction();
+ return DoError(SmParseError::UnexpectedChar);
+ }
+}
+
+std::unique_ptr<SmNode> SmParser5::DoEscape()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ NextToken();
+
+ switch (m_aCurToken.eType)
+ {
+ case TLPARENT:
+ case TRPARENT:
+ case TLBRACKET:
+ case TRBRACKET:
+ case TLDBRACKET:
+ case TRDBRACKET:
+ case TLBRACE:
+ case TLGROUP:
+ case TRBRACE:
+ case TRGROUP:
+ case TLANGLE:
+ case TRANGLE:
+ case TLCEIL:
+ case TRCEIL:
+ case TLFLOOR:
+ case TRFLOOR:
+ case TLLINE:
+ case TRLINE:
+ case TLDLINE:
+ case TRDLINE:
+ {
+ auto pNode = std::make_unique<SmMathSymbolNode>(m_aCurToken);
+ pNode->SetSelection(m_aCurESelection);
+ NextToken();
+ return std::unique_ptr<SmNode>(pNode.release());
+ }
+ default:
+ return DoError(SmParseError::UnexpectedToken);
+ }
+}
+
+std::unique_ptr<SmOperNode> SmParser5::DoOperator()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ assert(TokenInGroup(TG::Oper));
+
+ auto xSNode = std::make_unique<SmOperNode>(m_aCurToken);
+ xSNode->SetSelection(m_aCurESelection);
+
+ // get operator
+ auto xOperator = DoOper();
+
+ if (m_aCurToken.nGroup == TG::Limit || m_aCurToken.nGroup == TG::Power)
+ xOperator = DoSubSup(m_aCurToken.nGroup, std::move(xOperator));
+
+ // get argument
+ auto xArg = DoPower();
+
+ xSNode->SetSubNodes(std::move(xOperator), std::move(xArg));
+ return xSNode;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoOper()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ SmTokenType eType(m_aCurToken.eType);
+ std::unique_ptr<SmNode> pNode;
+
+ switch (eType)
+ {
+ case TSUM:
+ case TPROD:
+ case TCOPROD:
+ case TINT:
+ case TINTD:
+ case TIINT:
+ case TIIINT:
+ case TLINT:
+ case TLLINT:
+ case TLLLINT:
+ pNode.reset(new SmMathSymbolNode(m_aCurToken));
+ pNode->SetSelection(m_aCurESelection);
+ break;
+
+ case TLIM:
+ case TLIMSUP:
+ case TLIMINF:
+ m_aCurToken.aText
+ = eType == TLIMSUP ? u"lim sup" : eType == TLIMINF ? u"lim inf" : u"lim";
+ pNode.reset(new SmTextNode(m_aCurToken, FNT_TEXT));
+ pNode->SetSelection(m_aCurESelection);
+ break;
+
+ case TOPER:
+ NextToken();
+ OSL_ENSURE(m_aCurToken.eType == TSPECIAL, "Sm: wrong token");
+ m_aCurToken.eType = TOPER;
+ pNode.reset(new SmGlyphSpecialNode(m_aCurToken));
+ pNode->SetSelection(m_aCurESelection);
+ break;
+
+ default:
+ assert(false && "unknown case");
+ }
+
+ NextToken();
+ return pNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoUnOper()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ assert(TokenInGroup(TG::UnOper));
+
+ SmToken aNodeToken = m_aCurToken;
+ ESelection aESelection = m_aCurESelection;
+ SmTokenType eType = m_aCurToken.eType;
+ bool bIsPostfix = eType == TFACT;
+
+ std::unique_ptr<SmStructureNode> xSNode;
+ std::unique_ptr<SmNode> xOper;
+ std::unique_ptr<SmNode> xExtra;
+ std::unique_ptr<SmNode> xArg;
+
+ switch (eType)
+ {
+ case TABS:
+ case TSQRT:
+ NextToken();
+ break;
+
+ case TNROOT:
+ NextToken();
+ xExtra = DoPower();
+ break;
+
+ case TUOPER:
+ NextToken();
+ //Let the glyph know what it is...
+ m_aCurToken.eType = TUOPER;
+ m_aCurToken.nGroup = TG::UnOper;
+ xOper = DoGlyphSpecial();
+ break;
+
+ case TPLUS:
+ case TMINUS:
+ case TPLUSMINUS:
+ case TMINUSPLUS:
+ case TNEG:
+ case TFACT:
+ xOper = DoOpSubSup();
+ break;
+
+ default:
+ assert(false);
+ }
+
+ // get argument
+ xArg = DoPower();
+
+ if (eType == TABS)
+ {
+ xSNode.reset(new SmBraceNode(aNodeToken));
+ xSNode->SetSelection(aESelection);
+ xSNode->SetScaleMode(SmScaleMode::Height);
+
+ // build nodes for left & right lines
+ // (text, group, level of the used token are of no interest here)
+ // we'll use row & column of the keyword for abs
+ aNodeToken.eType = TABS;
+
+ aNodeToken.setChar(MS_VERTLINE);
+ std::unique_ptr<SmNode> xLeft(new SmMathSymbolNode(aNodeToken));
+ xLeft->SetSelection(aESelection);
+ std::unique_ptr<SmNode> xRight(new SmMathSymbolNode(aNodeToken));
+ xRight->SetSelection(aESelection);
+
+ xSNode->SetSubNodes(std::move(xLeft), std::move(xArg), std::move(xRight));
+ }
+ else if (eType == TSQRT || eType == TNROOT)
+ {
+ xSNode.reset(new SmRootNode(aNodeToken));
+ xSNode->SetSelection(aESelection);
+ xOper.reset(new SmRootSymbolNode(aNodeToken));
+ xOper->SetSelection(aESelection);
+ xSNode->SetSubNodes(std::move(xExtra), std::move(xOper), std::move(xArg));
+ }
+ else
+ {
+ xSNode.reset(new SmUnHorNode(aNodeToken));
+ xSNode->SetSelection(aESelection);
+ if (bIsPostfix)
+ xSNode->SetSubNodes(std::move(xArg), std::move(xOper));
+ else
+ {
+ // prefix operator
+ xSNode->SetSubNodes(std::move(xOper), std::move(xArg));
+ }
+ }
+ return xSNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoAttribute()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ assert(TokenInGroup(TG::Attribute));
+
+ auto xSNode = std::make_unique<SmAttributeNode>(m_aCurToken);
+ xSNode->SetSelection(m_aCurESelection);
+ std::unique_ptr<SmNode> xAttr;
+ SmScaleMode eScaleMode = SmScaleMode::None;
+
+ // get appropriate node for the attribute itself
+ switch (m_aCurToken.eType)
+ {
+ case TUNDERLINE:
+ case TOVERLINE:
+ case TOVERSTRIKE:
+ xAttr.reset(new SmRectangleNode(m_aCurToken));
+ xAttr->SetSelection(m_aCurESelection);
+ eScaleMode = SmScaleMode::Width;
+ break;
+
+ case TWIDEVEC:
+ case TWIDEHARPOON:
+ case TWIDEHAT:
+ case TWIDETILDE:
+ xAttr.reset(new SmMathSymbolNode(m_aCurToken));
+ xAttr->SetSelection(m_aCurESelection);
+ eScaleMode = SmScaleMode::Width;
+ break;
+
+ default:
+ xAttr.reset(new SmMathSymbolNode(m_aCurToken));
+ xAttr->SetSelection(m_aCurESelection);
+ }
+
+ NextToken();
+
+ xSNode->SetSubNodes(std::move(xAttr), nullptr); // the body will be filled later
+ xSNode->SetScaleMode(eScaleMode);
+ return xSNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoFontAttribute()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ assert(TokenInGroup(TG::FontAttr));
+
+ switch (m_aCurToken.eType)
+ {
+ case TITALIC:
+ case TNITALIC:
+ case TBOLD:
+ case TNBOLD:
+ case TPHANTOM:
+ {
+ auto pNode = std::make_unique<SmFontNode>(m_aCurToken);
+ pNode->SetSelection(m_aCurESelection);
+ NextToken();
+ return pNode;
+ }
+
+ case TSIZE:
+ return DoFontSize();
+
+ case TFONT:
+ return DoFont();
+
+ case TCOLOR:
+ return DoColor();
+
+ default:
+ assert(false);
+ return {};
+ }
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoColor()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ assert(m_aCurToken.eType == TCOLOR);
+ sal_Int32 nBufferIndex = m_nBufferIndex;
+ NextTokenColor(TCOLOR);
+ SmToken aToken;
+ ESelection aESelection;
+
+ if (m_aCurToken.eType == TDVIPSNAMESCOL)
+ NextTokenColor(TDVIPSNAMESCOL);
+ if (m_aCurToken.eType == TERROR)
+ return DoError(SmParseError::ColorExpected);
+ if (TokenInGroup(TG::Color))
+ {
+ aToken = m_aCurToken;
+ aESelection = m_aCurESelection;
+ if (m_aCurToken.eType == TRGB) //loads r, g and b
+ {
+ sal_uInt32 nr, ng, nb, nc;
+ NextTokenFontSize();
+ if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+ return DoError(SmParseError::ColorExpected);
+ nr = m_aCurToken.aText.toUInt32();
+ if (nr > 255)
+ return DoError(SmParseError::ColorExpected);
+ NextTokenFontSize();
+ if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+ return DoError(SmParseError::ColorExpected);
+ ng = m_aCurToken.aText.toUInt32();
+ if (ng > 255)
+ return DoError(SmParseError::ColorExpected);
+ NextTokenFontSize();
+ if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+ return DoError(SmParseError::ColorExpected);
+ nb = m_aCurToken.aText.toUInt32();
+ if (nb > 255)
+ return DoError(SmParseError::ColorExpected);
+ nc = nb | ng << 8 | nr << 16 | sal_uInt32(0) << 24;
+ aToken.cMathChar = OUString::number(nc, 16);
+ }
+ else if (m_aCurToken.eType == TRGBA) //loads r, g and b
+ {
+ sal_uInt32 nr, na, ng, nb, nc;
+ NextTokenFontSize();
+ if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+ return DoError(SmParseError::ColorExpected);
+ nr = m_aCurToken.aText.toUInt32();
+ if (nr > 255)
+ return DoError(SmParseError::ColorExpected);
+ NextTokenFontSize();
+ if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+ return DoError(SmParseError::ColorExpected);
+ ng = m_aCurToken.aText.toUInt32();
+ if (ng > 255)
+ return DoError(SmParseError::ColorExpected);
+ NextTokenFontSize();
+ if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+ return DoError(SmParseError::ColorExpected);
+ nb = m_aCurToken.aText.toUInt32();
+ if (nb > 255)
+ return DoError(SmParseError::ColorExpected);
+ NextTokenFontSize();
+ if (lcl_IsNotWholeNumber(m_aCurToken.aText))
+ return DoError(SmParseError::ColorExpected);
+ na = m_aCurToken.aText.toUInt32();
+ if (na > 255)
+ return DoError(SmParseError::ColorExpected);
+ nc = nb | ng << 8 | nr << 16 | na << 24;
+ aToken.cMathChar = OUString::number(nc, 16);
+ }
+ else if (m_aCurToken.eType == THEX) //loads hex code
+ {
+ sal_uInt32 nc;
+ NextTokenFontSize();
+ if (lcl_IsNotWholeNumber16(m_aCurToken.aText))
+ return DoError(SmParseError::ColorExpected);
+ nc = m_aCurToken.aText.toUInt32(16);
+ aToken.cMathChar = OUString::number(nc, 16);
+ }
+ aToken.aText = m_aBufferString.subView(nBufferIndex, m_nBufferIndex - nBufferIndex);
+ NextToken();
+ }
+ else
+ return DoError(SmParseError::ColorExpected);
+
+ std::unique_ptr<SmStructureNode> xNode;
+ xNode.reset(new SmFontNode(aToken));
+ xNode->SetSelection(aESelection);
+ return xNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoFont()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ assert(m_aCurToken.eType == TFONT);
+
+ std::unique_ptr<SmStructureNode> xNode;
+ // last font rules, get that one
+ SmToken aToken;
+ ESelection aESelection = m_aCurESelection;
+ do
+ {
+ NextToken();
+
+ if (TokenInGroup(TG::Font))
+ {
+ aToken = m_aCurToken;
+ NextToken();
+ }
+ else
+ {
+ return DoError(SmParseError::FontExpected);
+ }
+ } while (m_aCurToken.eType == TFONT);
+
+ xNode.reset(new SmFontNode(aToken));
+ xNode->SetSelection(aESelection);
+ return xNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoFontSize()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+ std::unique_ptr<SmFontNode> pFontNode(new SmFontNode(m_aCurToken));
+ pFontNode->SetSelection(m_aCurESelection);
+ NextTokenFontSize();
+ FontSizeType Type;
+
+ switch (m_aCurToken.eType)
+ {
+ case THEX:
+ Type = FontSizeType::ABSOLUT;
+ break;
+ case TPLUS:
+ Type = FontSizeType::PLUS;
+ break;
+ case TMINUS:
+ Type = FontSizeType::MINUS;
+ break;
+ case TMULTIPLY:
+ Type = FontSizeType::MULTIPLY;
+ break;
+ case TDIVIDEBY:
+ Type = FontSizeType::DIVIDE;
+ break;
+
+ default:
+ return DoError(SmParseError::SizeExpected);
+ }
+
+ if (Type != FontSizeType::ABSOLUT)
+ {
+ NextTokenFontSize();
+ if (m_aCurToken.eType != THEX)
+ return DoError(SmParseError::SizeExpected);
+ }
+
+ // get number argument
+ Fraction aValue(1);
+ if (lcl_IsNumber(m_aCurToken.aText))
+ {
+ aValue = m_aCurToken.aText.toDouble();
+ //!! Reduce values in order to avoid numerical errors
+ if (aValue.GetDenominator() > 1000)
+ {
+ tools::Long nNum = aValue.GetNumerator();
+ tools::Long nDenom = aValue.GetDenominator();
+ while (nDenom > 1000) //remove big denominator
+ {
+ nNum /= 10;
+ nDenom /= 10;
+ }
+ aValue = Fraction(nNum, nDenom);
+ }
+ }
+ else
+ return DoError(SmParseError::SizeExpected);
+
+ pFontNode->SetSizeParameter(aValue, Type);
+ NextToken();
+ return pFontNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoBrace()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ assert(m_aCurToken.eType == TLEFT || TokenInGroup(TG::LBrace));
+
+ std::unique_ptr<SmStructureNode> xSNode(new SmBraceNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+ std::unique_ptr<SmNode> pBody, pLeft, pRight;
+ SmScaleMode eScaleMode = SmScaleMode::None;
+ SmParseError eError = SmParseError::None;
+
+ if (m_aCurToken.eType == TLEFT)
+ {
+ NextToken();
+
+ eScaleMode = SmScaleMode::Height;
+
+ // check for left bracket
+ if (TokenInGroup(TG::LBrace) || TokenInGroup(TG::RBrace))
+ {
+ pLeft.reset(new SmMathSymbolNode(m_aCurToken));
+ pLeft->SetSelection(m_aCurESelection);
+
+ NextToken();
+ pBody = DoBracebody(true);
+
+ if (m_aCurToken.eType == TRIGHT)
+ {
+ NextToken();
+
+ // check for right bracket
+ if (TokenInGroup(TG::LBrace) || TokenInGroup(TG::RBrace))
+ {
+ pRight.reset(new SmMathSymbolNode(m_aCurToken));
+ pRight->SetSelection(m_aCurESelection);
+ NextToken();
+ }
+ else
+ eError = SmParseError::RbraceExpected;
+ }
+ else
+ eError = SmParseError::RightExpected;
+ }
+ else
+ eError = SmParseError::LbraceExpected;
+ }
+ else
+ {
+ assert(TokenInGroup(TG::LBrace));
+
+ pLeft.reset(new SmMathSymbolNode(m_aCurToken));
+ pLeft->SetSelection(m_aCurESelection);
+
+ NextToken();
+ pBody = DoBracebody(false);
+
+ SmTokenType eExpectedType = TUNKNOWN;
+ switch (pLeft->GetToken().eType)
+ {
+ case TLPARENT:
+ eExpectedType = TRPARENT;
+ break;
+ case TLBRACKET:
+ eExpectedType = TRBRACKET;
+ break;
+ case TLBRACE:
+ eExpectedType = TRBRACE;
+ break;
+ case TLDBRACKET:
+ eExpectedType = TRDBRACKET;
+ break;
+ case TLLINE:
+ eExpectedType = TRLINE;
+ break;
+ case TLDLINE:
+ eExpectedType = TRDLINE;
+ break;
+ case TLANGLE:
+ eExpectedType = TRANGLE;
+ break;
+ case TLFLOOR:
+ eExpectedType = TRFLOOR;
+ break;
+ case TLCEIL:
+ eExpectedType = TRCEIL;
+ break;
+ case TLRLINE:
+ eExpectedType = TLRLINE;
+ break;
+ case TLRDLINE:
+ eExpectedType = TLRDLINE;
+ break;
+ default:
+ SAL_WARN("starmath", "unknown case");
+ }
+
+ if (m_aCurToken.eType == eExpectedType)
+ {
+ pRight.reset(new SmMathSymbolNode(m_aCurToken));
+ pRight->SetSelection(m_aCurESelection);
+ NextToken();
+ }
+ else
+ eError = SmParseError::ParentMismatch;
+ }
+
+ if (eError == SmParseError::None)
+ {
+ assert(pLeft);
+ assert(pRight);
+ xSNode->SetSubNodes(std::move(pLeft), std::move(pBody), std::move(pRight));
+ xSNode->SetScaleMode(eScaleMode);
+ return xSNode;
+ }
+ return DoError(eError);
+}
+
+std::unique_ptr<SmBracebodyNode> SmParser5::DoBracebody(bool bIsLeftRight)
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ auto pBody = std::make_unique<SmBracebodyNode>(m_aCurToken);
+ pBody->SetSelection(m_aCurESelection);
+
+ std::vector<std::unique_ptr<SmNode>> aNodes;
+ // get body if any
+ if (bIsLeftRight)
+ {
+ do
+ {
+ if (m_aCurToken.eType == TMLINE)
+ {
+ SmMathSymbolNode* pTempNode = new SmMathSymbolNode(m_aCurToken);
+ pTempNode->SetSelection(m_aCurESelection);
+ aNodes.emplace_back(std::unique_ptr<SmMathSymbolNode>(pTempNode));
+ NextToken();
+ }
+ else if (m_aCurToken.eType != TRIGHT)
+ {
+ aNodes.push_back(DoAlign());
+ if (m_aCurToken.eType != TMLINE && m_aCurToken.eType != TRIGHT)
+ aNodes.emplace_back(DoError(SmParseError::RightExpected));
+ }
+ } while (m_aCurToken.eType != TEND && m_aCurToken.eType != TRIGHT);
+ }
+ else
+ {
+ do
+ {
+ if (m_aCurToken.eType == TMLINE)
+ {
+ SmMathSymbolNode* pTempNode = new SmMathSymbolNode(m_aCurToken);
+ pTempNode->SetSelection(m_aCurESelection);
+ aNodes.emplace_back(std::unique_ptr<SmMathSymbolNode>(pTempNode));
+ NextToken();
+ }
+ else if (!TokenInGroup(TG::RBrace))
+ {
+ aNodes.push_back(DoAlign());
+ if (m_aCurToken.eType != TMLINE && !TokenInGroup(TG::RBrace))
+ aNodes.emplace_back(DoError(SmParseError::RbraceExpected));
+ }
+ } while (m_aCurToken.eType != TEND && !TokenInGroup(TG::RBrace));
+ }
+
+ pBody->SetSubNodes(buildNodeArray(aNodes));
+ pBody->SetScaleMode(bIsLeftRight ? SmScaleMode::Height : SmScaleMode::None);
+ return pBody;
+}
+
+std::unique_ptr<SmNode> SmParser5::DoEvaluate()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ // Create node
+ std::unique_ptr<SmStructureNode> xSNode(new SmBraceNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+ SmToken aToken(TRLINE, MS_VERTLINE, "evaluate", TG::RBrace, 5);
+
+ // Parse body && left none
+ NextToken();
+ std::unique_ptr<SmNode> pBody = DoPower();
+ SmToken bToken(TNONE, '\0', "", TG::LBrace, 5);
+ std::unique_ptr<SmNode> pLeft;
+ pLeft.reset(new SmMathSymbolNode(bToken));
+
+ // Mount nodes
+ std::unique_ptr<SmNode> pRight;
+ pRight.reset(new SmMathSymbolNode(aToken));
+ xSNode->SetSubNodes(std::move(pLeft), std::move(pBody), std::move(pRight));
+ xSNode->SetScaleMode(SmScaleMode::Height); // scalable line
+
+ // Parse from to
+ if (m_aCurToken.nGroup == TG::Limit)
+ {
+ std::unique_ptr<SmNode> rSNode;
+ rSNode = DoSubSupEvaluate(std::move(xSNode));
+ rSNode->GetToken().eType = TEVALUATE;
+ return rSNode;
+ }
+
+ return xSNode;
+}
+
+std::unique_ptr<SmTextNode> SmParser5::DoFunction()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ if (m_aCurToken.eType == TFUNC)
+ {
+ NextToken(); // skip "FUNC"-statement
+ m_aCurToken.eType = TFUNC;
+ m_aCurToken.nGroup = TG::Function;
+ }
+ auto pNode = std::make_unique<SmTextNode>(m_aCurToken, FNT_FUNCTION);
+ pNode->SetSelection(m_aCurESelection);
+ NextToken();
+ return pNode;
+}
+
+std::unique_ptr<SmTableNode> SmParser5::DoBinom()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ auto xSNode = std::make_unique<SmTableNode>(m_aCurToken);
+ xSNode->SetSelection(m_aCurESelection);
+
+ NextToken();
+
+ auto xFirst = DoSum();
+ auto xSecond = DoSum();
+ xSNode->SetSubNodes(std::move(xFirst), std::move(xSecond));
+ return xSNode;
+}
+
+std::unique_ptr<SmBinVerNode> SmParser5::DoFrac()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ std::unique_ptr<SmBinVerNode> xSNode = std::make_unique<SmBinVerNode>(m_aCurToken);
+ xSNode->SetSelection(m_aCurESelection);
+ std::unique_ptr<SmNode> xOper = std::make_unique<SmRectangleNode>(m_aCurToken);
+ xOper->SetSelection(m_aCurESelection);
+
+ NextToken();
+
+ auto xFirst = DoSum();
+ auto xSecond = DoSum();
+ xSNode->SetSubNodes(std::move(xFirst), std::move(xOper), std::move(xSecond));
+ return xSNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoStack()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ std::unique_ptr<SmStructureNode> xSNode(new SmTableNode(m_aCurToken));
+ xSNode->SetSelection(m_aCurESelection);
+ NextToken();
+ if (m_aCurToken.eType != TLGROUP)
+ return DoError(SmParseError::LgroupExpected);
+ std::vector<std::unique_ptr<SmNode>> aExprArr;
+ do
+ {
+ NextToken();
+ aExprArr.push_back(DoAlign());
+ } while (m_aCurToken.eType == TPOUND);
+
+ if (m_aCurToken.eType == TRGROUP)
+ NextToken();
+ else
+ aExprArr.emplace_back(DoError(SmParseError::RgroupExpected));
+
+ xSNode->SetSubNodes(buildNodeArray(aExprArr));
+ return xSNode;
+}
+
+std::unique_ptr<SmStructureNode> SmParser5::DoMatrix()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ std::unique_ptr<SmMatrixNode> xMNode(new SmMatrixNode(m_aCurToken));
+ xMNode->SetSelection(m_aCurESelection);
+ NextToken();
+ if (m_aCurToken.eType != TLGROUP)
+ return DoError(SmParseError::LgroupExpected);
+
+ std::vector<std::unique_ptr<SmNode>> aExprArr;
+ do
+ {
+ NextToken();
+ aExprArr.push_back(DoAlign());
+ } while (m_aCurToken.eType == TPOUND);
+
+ size_t nCol = aExprArr.size();
+ size_t nRow = 1;
+ while (m_aCurToken.eType == TDPOUND)
+ {
+ NextToken();
+ for (size_t i = 0; i < nCol; i++)
+ {
+ auto xNode = DoAlign();
+ if (i < (nCol - 1))
+ {
+ if (m_aCurToken.eType == TPOUND)
+ NextToken();
+ else
+ xNode = DoError(SmParseError::PoundExpected);
+ }
+ aExprArr.emplace_back(std::move(xNode));
+ }
+ ++nRow;
+ }
+
+ if (m_aCurToken.eType == TRGROUP)
+ NextToken();
+ else
+ {
+ std::unique_ptr<SmNode> xENode(DoError(SmParseError::RgroupExpected));
+ if (aExprArr.empty())
+ nRow = nCol = 1;
+ else
+ aExprArr.pop_back();
+ aExprArr.emplace_back(std::move(xENode));
+ }
+
+ xMNode->SetSubNodes(buildNodeArray(aExprArr));
+ xMNode->SetRowCol(static_cast<sal_uInt16>(nRow), static_cast<sal_uInt16>(nCol));
+ return std::unique_ptr<SmStructureNode>(xMNode.release());
+}
+
+std::unique_ptr<SmSpecialNode> SmParser5::DoSpecial()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ bool bReplace = false;
+ OUString& rName = m_aCurToken.aText;
+ OUString aNewName;
+
+ // conversion of symbol names for 6.0 (XML) file format
+ // (name change on import / export.
+ // UI uses localized names XML file format does not.)
+ if (rName.startsWith("%"))
+ {
+ if (IsImportSymbolNames())
+ {
+ aNewName = SmLocalizedSymbolData::GetUiSymbolName(rName.subView(1));
+ bReplace = true;
+ }
+ else if (IsExportSymbolNames())
+ {
+ aNewName = SmLocalizedSymbolData::GetExportSymbolName(rName.subView(1));
+ bReplace = true;
+ }
+ }
+ if (!aNewName.isEmpty())
+ aNewName = "%" + aNewName;
+
+ if (bReplace && !aNewName.isEmpty() && rName != aNewName)
+ {
+ Replace(GetTokenIndex(), rName.getLength(), aNewName);
+ rName = aNewName;
+ }
+
+ // add symbol name to list of used symbols
+ const OUString aSymbolName(m_aCurToken.aText.copy(1));
+ if (!aSymbolName.isEmpty())
+ m_aUsedSymbols.insert(aSymbolName);
+
+ auto pNode = std::make_unique<SmSpecialNode>(m_aCurToken);
+ pNode->SetSelection(m_aCurESelection);
+ NextToken();
+ return pNode;
+}
+
+std::unique_ptr<SmGlyphSpecialNode> SmParser5::DoGlyphSpecial()
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ auto pNode = std::make_unique<SmGlyphSpecialNode>(m_aCurToken);
+ NextToken();
+ return pNode;
+}
+
+std::unique_ptr<SmExpressionNode> SmParser5::DoError(SmParseError eError)
+{
+ DepthProtect aDepthGuard(m_nParseDepth);
+
+ // Identify error message
+ OUString sStrBuf(SmResId(RID_ERR_IDENT) + starmathdatabase::getParseErrorDesc(eError));
+
+ // Generate error node
+ m_aCurToken.eType = TERROR;
+ m_aCurToken.cMathChar = sStrBuf;
+ auto xSNode = std::make_unique<SmExpressionNode>(m_aCurToken);
+ SmErrorNode* pErr(new SmErrorNode(m_aCurToken));
+ pErr->SetSelection(m_aCurESelection);
+ xSNode->SetSubNode(0, pErr);
+
+ // Append error to the error list
+ SmErrorDesc aErrDesc(eError, xSNode.get(), m_aCurToken.cMathChar);
+ m_aErrDescList.push_back(aErrDesc);
+
+ NextToken();
+
+ return xSNode;
+}
+
+// end grammar
+
+SmParser5::SmParser5()
+ : m_nCurError(0)
+ , m_nBufferIndex(0)
+ , m_nTokenIndex(0)
+ , m_nRow(0)
+ , m_nColOff(0)
+ , m_bImportSymNames(false)
+ , m_bExportSymNames(false)
+ , m_nParseDepth(0)
+ , m_aNumCC(LanguageTag(LANGUAGE_ENGLISH_US))
+ , m_pSysCC(&SM_MOD()->GetSysLocale().GetCharClass())
+{
+}
+
+SmParser5::~SmParser5() {}
+
+std::unique_ptr<SmTableNode> SmParser5::Parse(const OUString& rBuffer)
+{
+ m_aUsedSymbols.clear();
+
+ m_aBufferString = convertLineEnd(rBuffer, LINEEND_LF);
+ m_nBufferIndex = 0;
+ m_nTokenIndex = 0;
+ m_nRow = 0;
+ m_nColOff = 0;
+ m_nCurError = -1;
+
+ m_aErrDescList.clear();
+
+ NextToken();
+ return DoTable();
+}
+
+std::unique_ptr<SmNode> SmParser5::ParseExpression(const OUString& rBuffer)
+{
+ m_aBufferString = convertLineEnd(rBuffer, LINEEND_LF);
+ m_nBufferIndex = 0;
+ m_nTokenIndex = 0;
+ m_nRow = 0;
+ m_nColOff = 0;
+ m_nCurError = -1;
+
+ m_aErrDescList.clear();
+
+ NextToken();
+ return DoExpression();
+}
+
+const SmErrorDesc* SmParser5::NextError()
+{
+ if (!m_aErrDescList.empty())
+ if (m_nCurError > 0)
+ return &m_aErrDescList[--m_nCurError];
+ else
+ {
+ m_nCurError = 0;
+ return &m_aErrDescList[m_nCurError];
+ }
+ else
+ return nullptr;
+}
+
+const SmErrorDesc* SmParser5::PrevError()
+{
+ if (!m_aErrDescList.empty())
+ if (m_nCurError < static_cast<int>(m_aErrDescList.size() - 1))
+ return &m_aErrDescList[++m_nCurError];
+ else
+ {
+ m_nCurError = static_cast<int>(m_aErrDescList.size() - 1);
+ return &m_aErrDescList[m_nCurError];
+ }
+ else
+ return nullptr;
+}
+
+const SmErrorDesc* SmParser5::GetError() const
+{
+ if (m_aErrDescList.empty())
+ return nullptr;
+ return &m_aErrDescList.front();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 16:11:03 +0000