3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 If someone desperately needs partial "structures" (such as a few
14 cells of an array inset or similar) (s)he could uses the
15 following hack as starting point to write some macros:
20 \def\makeamptab{\catcode`\&=4\relax}
21 \def\makeampletter{\catcode`\&=11\relax}
22 \def\b{\makeampletter\expandafter\makeamptab\bi}
40 #include "MathParser.h"
42 #include "InsetMathArray.h"
43 #include "InsetMathBig.h"
44 #include "InsetMathBrace.h"
45 #include "InsetMathCancelto.h"
46 #include "InsetMathChar.h"
47 #include "InsetMathColor.h"
48 #include "InsetMathComment.h"
49 #include "InsetMathDelim.h"
50 #include "InsetMathEnsureMath.h"
51 #include "InsetMathEnv.h"
52 #include "InsetMathFrac.h"
53 #include "InsetMathKern.h"
54 #include "InsetMathMacro.h"
55 #include "InsetMathPar.h"
56 #include "InsetMathRef.h"
57 #include "InsetMathRoot.h"
58 #include "InsetMathScript.h"
59 #include "InsetMathSideset.h"
60 #include "InsetMathSpace.h"
61 #include "InsetMathSplit.h"
62 #include "InsetMathSqrt.h"
63 #include "InsetMathStackrel.h"
64 #include "InsetMathString.h"
65 #include "InsetMathTabular.h"
66 #include "InsetMathMacroTemplate.h"
67 #include "MathExtern.h"
68 #include "MathFactory.h"
69 #include "InsetMathMacroArgument.h"
70 #include "MathSupport.h"
73 #include "BufferParams.h"
77 #include "support/convert.h"
78 #include "support/debug.h"
79 #include "support/docstream.h"
80 #include "support/unique_ptr.h"
92 InsetMath::mode_type asMode(InsetMath::mode_type oldmode, docstring const & str)
94 //lyxerr << "handling mode: '" << str << "'" << endl;
95 if (str == "mathmode")
96 return InsetMath::MATH_MODE;
97 if (str == "textmode" || str == "forcetext")
98 return InsetMath::TEXT_MODE;
103 bool stared(docstring const & s)
105 size_t const n = s.size();
106 return n && s[n - 1] == '*';
110 docstring const repl(docstring const & oldstr, char_type const c,
111 docstring const & macro, bool textmode = false)
117 for (i = 0, j = 0; i < oldstr.size(); ++i) {
118 if (c == oldstr[i]) {
119 newstr.append(oldstr, j, i - j);
120 newstr.append(macro);
122 if (macro.size() > 2 && j < oldstr.size())
123 newstr += (textmode && oldstr[j] == ' ' ? '\\' : ' ');
131 newstr.append(oldstr, j, i - j);
136 docstring escapeSpecialChars(docstring const & str, bool textmode)
138 docstring const backslash = textmode ? from_ascii("\\textbackslash")
139 : from_ascii("\\backslash");
140 docstring const caret = textmode ? from_ascii("\\textasciicircum")
141 : from_ascii("\\mathcircumflex");
142 docstring const tilde = textmode ? from_ascii("\\textasciitilde")
143 : from_ascii("\\sim");
145 return repl(repl(repl(repl(repl(repl(repl(repl(repl(repl(str,
146 '\\', backslash, textmode),
147 '^', caret, textmode),
148 '~', tilde, textmode),
149 '_', from_ascii("\\_")),
150 '$', from_ascii("\\$")),
151 '#', from_ascii("\\#")),
152 '&', from_ascii("\\&")),
153 '%', from_ascii("\\%")),
154 '{', from_ascii("\\{")),
155 '}', from_ascii("\\}"));
160 * Add the row \p cellrow to \p grid.
161 * \returns wether the row could be added. Adding a row can fail for
162 * environments like "equation" that have a fixed number of rows.
164 bool addRow(InsetMathGrid & grid, InsetMathGrid::row_type & cellrow,
165 docstring const & vskip, bool allow_newpage_ = true)
168 if (cellrow == grid.nrows()) {
169 //lyxerr << "adding row " << cellrow << endl;
170 grid.addRow(cellrow - 1);
171 if (cellrow == grid.nrows()) {
172 // We can't add a row to this grid, so let's
173 // append the content of this cell to the previous
175 // This does not happen in well formed .lyx files,
176 // but LyX versions 1.3.x and older could create
177 // such files and tex2lyx can still do that.
179 lyxerr << "ignoring extra row";
181 lyxerr << " with extra space " << to_utf8(vskip);
183 lyxerr << " with no page break allowed";
184 lyxerr << '.' << endl;
188 grid.vcrskip(Length(to_utf8(vskip)), cellrow - 1);
189 grid.rowinfo(cellrow - 1).allow_newpage_ = allow_newpage_;
195 * Add the column \p cellcol to \p grid.
196 * \returns wether the column could be added. Adding a column can fail for
197 * environments like "eqnarray" that have a fixed number of columns.
199 bool addCol(InsetMathGrid & grid, InsetMathGrid::col_type & cellcol)
202 if (cellcol == grid.ncols()) {
203 //lyxerr << "adding column " << cellcol << endl;
204 grid.addCol(cellcol);
205 if (cellcol == grid.ncols()) {
206 // We can't add a column to this grid, so let's
207 // append the content of this cell to the previous
209 // This does not happen in well formed .lyx files,
210 // but LyX versions 1.3.x and older could create
211 // such files and tex2lyx can still do that.
213 lyxerr << "ignoring extra column." << endl;
222 * Check whether the last row is empty and remove it if yes.
223 * Otherwise the following code
231 * will result in a grid with 3 rows (+ the dummy row that is always present),
232 * because the last '\\' opens a new row.
233 * Do never delete a row that contains a multicolumn, even if all cells empty,
234 * since the multicolumn information would get lost otherwise.
235 * Note that this is only needed for inner-hull grid types, such as array
236 * or aligned, but not for outer-hull grid types, such as eqnarray or align.
238 void delEmptyLastRow(InsetMathGrid & grid)
240 InsetMathGrid::row_type const row = grid.nrows() - 1;
241 for (InsetMathGrid::col_type col = 0; col < grid.ncols(); ++col) {
242 InsetMathGrid::idx_type const idx = grid.index(row, col);
243 if (!grid.cell(idx).empty() ||
244 grid.cellinfo(idx).multi_ != InsetMathGrid::CELL_NORMAL)
247 // Copy the row information of the empty row (which would contain the
248 // last hline in the example above) to the dummy row and delete the
250 grid.rowinfo(row + 1) = grid.rowinfo(row);
256 * Tell whether the environment name corresponds to an inner-hull grid type.
258 bool innerHull(docstring const & name)
260 // For [bB]matrix, [vV]matrix, and pmatrix we can check the suffix only
261 return name == "array" || name == "cases" || name == "aligned"
262 || name == "alignedat" || name == "gathered" || name == "split"
263 || name == "subarray" || name == "tabular" || name == "matrix"
264 || name == "smallmatrix" || name.substr(1) == "matrix";
268 // These are TeX's catcodes
270 catEscape, // 0 backslash
280 catSpace, // 10 space
281 catLetter, // 11 a-zA-Z
282 catOther, // 12 none of the above
285 catInvalid // 15 <delete>
288 CatCode theCatcode[128];
291 inline CatCode catcode(char_type c)
293 /* The only characters that are not catOther lie in the pure ASCII
294 * range. Therefore theCatcode has only 128 entries.
295 * TeX itself deals with 8bit characters, so if needed this table
296 * could be enlarged to 256 entries.
297 * Any larger value does not make sense, since the fact that we use
298 * unicode internally does not change Knuth's TeX engine.
299 * Apart from that a table for the full 21bit UCS4 range would waste
300 * too much memory. */
304 return theCatcode[c];
309 FLAG_ALIGN = 1 << 0, // next & or \\ ends the parsing process
310 FLAG_BRACE_LAST = 1 << 1, // next closing brace ends the parsing
311 FLAG_RIGHT = 1 << 2, // next \\right ends the parsing process
312 FLAG_END = 1 << 3, // next \\end ends the parsing process
313 FLAG_BRACK_LAST = 1 << 4, // next closing bracket ends the parsing
314 FLAG_TEXTMODE = 1 << 5, // we are in a box
315 FLAG_ITEM = 1 << 6, // read a (possibly braced) token
316 FLAG_LEAVE = 1 << 7, // leave the loop at the end
317 FLAG_SIMPLE = 1 << 8, // next $ leaves the loop
318 FLAG_EQUATION = 1 << 9, // next \] leaves the loop
319 FLAG_SIMPLE2 = 1 << 10, // next \) leaves the loop
320 FLAG_OPTION = 1 << 11, // read [...] style option
321 FLAG_BRACED = 1 << 12 // read {...} style argument
326 // Helper class for parsing
332 Token() : cs_(), char_(0), cat_(catIgnore) {}
334 Token(char_type c, CatCode cat) : cs_(), char_(c), cat_(cat) {}
336 explicit Token(docstring const & cs) : cs_(cs), char_(0), cat_(catIgnore) {}
339 docstring const & cs() const { return cs_; }
341 CatCode cat() const { return cat_; }
343 char_type character() const { return char_; }
345 docstring asString() const { return !cs_.empty() ? cs_ : docstring(1, char_); }
347 docstring asInput() const { return !cs_.empty() ? '\\' + cs_ : docstring(1, char_); }
359 ostream & operator<<(ostream & os, Token const & t)
361 if (!t.cs().empty()) {
362 docstring const & cs = t.cs();
363 // FIXME: For some strange reason, the stream operator instanciate
364 // a new Token before outputting the contents of t.cs().
365 // Because of this the line
367 // below becomes recursive.
368 // In order to avoid that we return early:
371 os << '\\' << to_utf8(cs);
373 else if (t.cat() == catLetter)
376 os << '[' << t.character() << ',' << t.cat() << ']';
384 typedef InsetMath::mode_type mode_type;
386 typedef Parse::flags parse_mode;
389 Parser(Lexer & lex, parse_mode mode, Buffer * buf);
390 /// Only use this for reading from .lyx file format, for the reason
391 /// see Parser::tokenize(istream &).
392 Parser(istream & is, parse_mode mode, Buffer * buf);
394 Parser(docstring const & str, parse_mode mode, Buffer * buf);
397 bool parse(MathAtom & at);
399 bool parse(MathData & array, unsigned flags, mode_type mode);
401 bool parse1(InsetMathGrid & grid, unsigned flags, mode_type mode,
404 int lineno() const { return lineno_; }
407 /// store current position
409 /// restore previous position
411 /// forget last saved position
416 void parse2(MathAtom & at, unsigned flags, mode_type mode, bool numbered);
417 /// get arg delimited by 'left' and 'right'
418 docstring getArg(char_type left, char_type right);
422 void error(string const & msg);
423 void error(docstring const & msg) { error(to_utf8(msg)); }
424 /// dump contents to screen
426 /// Only use this for reading from .lyx file format (see
427 /// implementation for reason)
428 void tokenize(istream & is);
430 void tokenize(docstring const & s);
432 void skipSpaceTokens(idocstream & is, char_type c);
434 void push_back(Token const & t);
436 Token const & prevToken() const;
438 Token const & nextToken() const;
440 Token const & getToken();
441 /// skips spaces if any
444 void lex(docstring const & s);
448 docstring parse_verbatim_item();
450 docstring parse_verbatim_option();
455 vector<Token> tokens_;
459 std::vector<unsigned> positions_;
460 /// Stack of active environments
461 vector<docstring> environments_;
471 Parser::Parser(Lexer & lexer, parse_mode mode, Buffer * buf)
472 : lineno_(lexer.lineNumber()), pos_(0), mode_(mode), success_(true),
475 tokenize(lexer.getStream());
480 Parser::Parser(istream & is, parse_mode mode, Buffer * buf)
481 : lineno_(0), pos_(0), mode_(mode), success_(true), buffer_(buf)
487 Parser::Parser(docstring const & str, parse_mode mode, Buffer * buf)
488 : lineno_(0), pos_(0), mode_(mode), success_(true), buffer_(buf)
494 void Parser::push_back(Token const & t)
496 tokens_.push_back(t);
500 Token const & Parser::prevToken() const
502 static const Token dummy;
503 return pos_ > 0 ? tokens_[pos_ - 1] : dummy;
507 Token const & Parser::nextToken() const
509 static const Token dummy;
510 return good() ? tokens_[pos_] : dummy;
514 Token const & Parser::getToken()
516 static const Token dummy;
517 //lyxerr << "looking at token " << tokens_[pos_] << " pos: " << pos_ << endl;
518 return good() ? tokens_[pos_++] : dummy;
522 void Parser::skipSpaces()
524 while (nextToken().cat() == catSpace || nextToken().cat() == catNewline)
529 void Parser::putback()
535 void Parser::pushPosition()
537 positions_.push_back(pos_);
541 void Parser::popPosition()
543 pos_ = positions_.back();
544 positions_.pop_back();
548 void Parser::dropPosition()
550 positions_.pop_back();
554 bool Parser::good() const
556 return pos_ < tokens_.size();
560 char_type Parser::getChar()
563 error("The input stream is not well...");
566 return tokens_[pos_++].character();
570 docstring Parser::getArg(char_type left, char_type right)
578 char_type c = getChar();
583 while ((c = getChar()) != right && good())
590 void Parser::skipSpaceTokens(idocstream & is, char_type c)
592 // skip trailing spaces
593 while (catcode(c) == catSpace || catcode(c) == catNewline)
596 //lyxerr << "putting back: " << c << endl;
601 void Parser::tokenize(istream & is)
603 // eat everything up to the next \end_inset or end of stream
604 // and store it in s for further tokenization
609 if (s.size() >= 10 && s.substr(s.size() - 10) == "\\end_inset") {
610 s = s.substr(0, s.size() - 10);
614 // Remove the space after \end_inset
615 if (is.get(c) && c != ' ')
619 tokenize(from_utf8(s));
623 void Parser::tokenize(docstring const & buffer)
625 idocstringstream is(mode_ & Parse::VERBATIM
626 ? escapeSpecialChars(buffer, mode_ & Parse::TEXTMODE)
627 : buffer, ios::in | ios::binary);
631 //lyxerr << "reading c: " << c << endl;
633 switch (catcode(c)) {
637 if (catcode(c) == catNewline)
638 ; //push_back(Token("par"));
640 push_back(Token('\n', catNewline));
648 while (is.get(c) && catcode(c) != catNewline)
658 error("unexpected end of input");
663 if (catcode(c) == catLetter) {
665 while (is.get(c) && catcode(c) == catLetter)
667 skipSpaceTokens(is, c);
676 push_back(Token(c, catcode(c)));
678 skipSpaceTokens(is, c);
683 if (!(mode_ & Parse::QUIET))
684 lyxerr << "ignoring a char: " << int(c) << endl;
689 push_back(Token(c, catcode(c)));
699 void Parser::dump() const
701 lyxerr << "\nTokens: ";
702 for (unsigned i = 0; i < tokens_.size(); ++i) {
705 lyxerr << tokens_[i];
707 lyxerr << " pos: " << pos_ << endl;
711 void Parser::error(string const & msg)
714 if (!(mode_ & Parse::QUIET)) {
715 lyxerr << "Line ~" << lineno_ << ": Math parse error: "
722 bool Parser::parse(MathAtom & at)
725 MathData ar(buffer_);
726 parse(ar, false, InsetMath::UNDECIDED_MODE);
727 if (ar.size() != 1 || ar.front()->getType() == hullNone) {
728 if (!(mode_ & Parse::QUIET))
729 lyxerr << "unusual contents found: " << ar << endl;
730 at = MathAtom(new InsetMathPar(buffer_, ar));
731 //if (at->nargs() > 0)
732 // at.nucleus()->cell(0) = ar;
734 // lyxerr << "unusual contents found: " << ar << endl;
742 docstring Parser::parse_verbatim_option()
746 if (nextToken().character() == '[') {
747 Token t = getToken();
748 for (t = getToken(); t.character() != ']' && good(); t = getToken()) {
749 if (t.cat() == catBegin) {
751 res += '{' + parse_verbatim_item() + '}';
760 docstring Parser::parse_verbatim_item()
764 if (nextToken().cat() == catBegin) {
765 Token t = getToken();
766 for (t = getToken(); t.cat() != catEnd && good(); t = getToken()) {
767 if (t.cat() == catBegin) {
769 res += '{' + parse_verbatim_item() + '}';
779 bool Parser::parse(MathData & array, unsigned flags, mode_type mode)
781 InsetMathGrid grid(buffer_, 1, 1);
782 parse1(grid, flags, mode, false);
783 array = grid.cell(0);
788 void Parser::parse2(MathAtom & at, const unsigned flags, const mode_type mode,
791 parse1(*(at.nucleus()->asGridInset()), flags, mode, numbered);
795 bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
796 const mode_type mode, const bool numbered)
799 InsetMathGrid::row_type cellrow = 0;
800 InsetMathGrid::col_type cellcol = 0;
801 MathData * cell = &grid.cell(grid.index(cellrow, cellcol));
802 Buffer * buf = buffer_;
804 if (grid.asHullInset())
805 grid.asHullInset()->numbered(cellrow, numbered);
808 //lyxerr << " flags: " << flags << endl;
809 //lyxerr << " mode: " << mode << endl;
810 //lyxerr << "grid: " << grid << endl;
813 Token const & t = getToken();
816 lyxerr << "t: " << t << " flags: " << flags << endl;
817 lyxerr << "mode: " << mode << endl;
822 if (flags & FLAG_ITEM) {
824 if (t.cat() == catBegin) {
825 // skip the brace and collect everything to the next matching
827 parse1(grid, FLAG_BRACE_LAST, mode, numbered);
831 // handle only this single token, leave the loop if done
836 if (flags & FLAG_BRACED) {
837 if (t.cat() == catSpace)
840 if (t.cat() != catBegin) {
841 error("opening brace expected");
845 // skip the brace and collect everything to the next matching
847 flags = FLAG_BRACE_LAST;
851 if (flags & FLAG_OPTION) {
852 if (t.cat() == catOther && t.character() == '[') {
854 parse(ar, FLAG_BRACK_LAST, mode);
857 // no option found, put back token and we are done
866 if (t.cat() == catMath) {
867 if (mode != InsetMath::MATH_MODE) {
868 // we are inside some text mode thingy, so opening new math is allowed
869 Token const & n = getToken();
870 if (n.cat() == catMath) {
871 // TeX's $$...$$ syntax for displayed math
872 if (mode == InsetMath::UNDECIDED_MODE) {
873 cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
874 parse2(cell->back(), FLAG_SIMPLE, InsetMath::MATH_MODE, false);
875 getToken(); // skip the second '$' token
877 // This is not an outer hull and display math is
878 // not allowed inside text mode environments.
879 error("bad math environment $$");
883 // simple $...$ stuff
885 if (mode == InsetMath::UNDECIDED_MODE) {
886 cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
887 parse2(cell->back(), FLAG_SIMPLE, InsetMath::MATH_MODE, false);
889 // Don't create nested math hulls (bug #5392)
890 cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
891 parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE, InsetMath::MATH_MODE);
896 else if (flags & FLAG_SIMPLE) {
897 // this is the end of the formula
902 Token const & n = getToken();
903 if (n.cat() == catMath) {
904 error("something strange in the parser");
907 // This is inline math ($...$), but the parser thinks we are
908 // already in math mode and latex would issue an error, unless we
909 // are inside a text mode user macro. We have no way to tell, so
910 // let's play safe by using \ensuremath, as it will work in any case.
912 cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
913 parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE, InsetMath::MATH_MODE);
918 else if (t.cat() == catLetter)
919 cell->push_back(MathAtom(new InsetMathChar(t.character())));
921 else if (t.cat() == catSpace && mode != InsetMath::MATH_MODE) {
922 if (cell->empty() || cell->back()->getChar() != ' ')
923 cell->push_back(MathAtom(new InsetMathChar(t.character())));
926 else if (t.cat() == catNewline && mode != InsetMath::MATH_MODE) {
927 if (cell->empty() || cell->back()->getChar() != ' ')
928 cell->push_back(MathAtom(new InsetMathChar(' ')));
931 else if (t.cat() == catParameter) {
932 Token const & n = nextToken();
933 char_type c = n.character();
934 if (c && '0' < c && c <= '9') {
935 cell->push_back(MathAtom(new InsetMathMacroArgument(c - '0')));
938 cell->push_back(MathAtom(new InsetMathHash()));
941 else if (t.cat() == catActive)
942 cell->push_back(MathAtom(new InsetMathSpace(string(1, t.character()), "")));
944 else if (t.cat() == catBegin) {
946 parse(ar, FLAG_BRACE_LAST, mode);
947 // do not create a BraceInset if they were written by LyX
948 // this helps to keep the annoyance of "a choose b" to a minimum
949 if (ar.size() == 1 && ar[0]->extraBraces())
952 cell->push_back(MathAtom(new InsetMathBrace(ar)));
955 else if (t.cat() == catEnd) {
956 if (flags & FLAG_BRACE_LAST)
958 error("found '}' unexpectedly");
959 //LASSERT(false, /**/);
960 //add(cell, '}', LM_TC_TEX);
963 else if (t.cat() == catAlign) {
964 //lyxerr << " column now " << (cellcol + 1)
965 // << " max: " << grid.ncols() << endl;
966 if (flags & FLAG_ALIGN)
968 if (addCol(grid, cellcol))
969 cell = &grid.cell(grid.index(cellrow, cellcol));
972 else if (t.cat() == catSuper || t.cat() == catSub) {
973 bool up = (t.cat() == catSuper);
974 // we need no new script inset if the last thing was a scriptinset,
975 // which has that script already not the same script already
977 cell->push_back(MathAtom(new InsetMathScript(buf, up)));
978 else if (cell->back()->asScriptInset() &&
979 !cell->back()->asScriptInset()->has(up))
980 cell->back().nucleus()->asScriptInset()->ensure(up);
981 else if (cell->back()->asScriptInset())
982 cell->push_back(MathAtom(new InsetMathScript(buf, up)));
984 cell->back() = MathAtom(new InsetMathScript(buf, cell->back(), up));
985 InsetMathScript * p = cell->back().nucleus()->asScriptInset();
986 // special handling of {}-bases
987 // Here we could remove the brace inset for things
988 // like {a'}^2 and add the braces back in
989 // InsetMathScript::write().
990 // We do not do it, since it is not possible to detect
991 // reliably whether the braces are needed because the
992 // nucleus contains more than one symbol, or whether
993 // they are needed for unknown commands like \xx{a}_0
994 // or \yy{a}{b}_0. This was done in revision 14819
995 // in an unreliable way. See this thread
996 // http://www.mail-archive.com/lyx-devel%40lists.lyx.org/msg104917.html
998 // However, we remove empty braces because they look
999 // ugly on screen and we are sure that they were added
1000 // by the write() method (and will be re-added on save).
1001 if (p->nuc().size() == 1 &&
1002 p->nuc().back()->asBraceInset() &&
1003 p->nuc().back()->asBraceInset()->cell(0).empty())
1006 parse(p->cell(p->idxOfScript(up)), FLAG_ITEM, mode);
1013 else if (t.character() == ']' && (flags & FLAG_BRACK_LAST)) {
1014 //lyxerr << "finished reading option" << endl;
1018 else if (t.cat() == catOther) {
1019 char_type c = t.character();
1020 if (isAsciiOrMathAlpha(c)
1021 || mode_ & Parse::VERBATIM
1022 || !(mode_ & Parse::USETEXT)
1023 || mode == InsetMath::TEXT_MODE) {
1024 cell->push_back(MathAtom(new InsetMathChar(c)));
1026 MathAtom at = createInsetMath("text", buf);
1027 at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
1028 while (nextToken().cat() == catOther
1029 && !isAsciiOrMathAlpha(nextToken().character())) {
1030 c = getToken().character();
1031 at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
1033 cell->push_back(at);
1037 else if (t.cat() == catComment) {
1040 Token const & t = getToken();
1041 if (t.cat() == catNewline)
1045 cell->push_back(MathAtom(new InsetMathComment(buf, s)));
1050 // control sequences
1053 else if (t.cs() == "lyxlock") {
1055 cell->back().nucleus()->lock(true);
1058 else if ((t.cs() == "global" && nextToken().cs() == "def") ||
1060 if (t.cs() == "global")
1064 docstring name = getToken().cs();
1069 while (good() && nextToken().cat() != catBegin) {
1070 pars += getToken().cs();
1077 parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1079 // is a version for display attached?
1082 if (nextToken().cat() == catBegin)
1083 parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
1085 cell->push_back(MathAtom(new InsetMathMacroTemplate(buf,
1086 name, nargs, 0, MacroTypeDef,
1087 vector<MathData>(), def, display)));
1089 if (buf && (mode_ & Parse::TRACKMACRO))
1090 buf->usermacros.insert(name);
1093 else if (t.cs() == "newcommand" ||
1094 t.cs() == "renewcommand" ||
1095 t.cs() == "newlyxcommand") {
1097 if (getToken().cat() != catBegin) {
1098 error("'{' in \\newcommand expected (1) ");
1101 docstring name = getToken().cs();
1102 if (getToken().cat() != catEnd) {
1103 error("'}' in \\newcommand expected");
1108 docstring const arg = getArg('[', ']');
1111 nargs = convert<int>(arg);
1113 // optional argument given?
1116 vector<MathData> optionalValues;
1117 while (nextToken().character() == '[') {
1119 optionalValues.push_back(MathData());
1120 parse(optionalValues[optionals], FLAG_BRACK_LAST, mode);
1125 parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1127 // is a version for display attached?
1130 if (nextToken().cat() == catBegin)
1131 parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
1133 cell->push_back(MathAtom(new InsetMathMacroTemplate(buf,
1134 name, nargs, optionals, MacroTypeNewcommand,
1135 optionalValues, def, display)));
1137 if (buf && (mode_ & Parse::TRACKMACRO))
1138 buf->usermacros.insert(name);
1141 else if (t.cs() == "newcommandx" ||
1142 t.cs() == "renewcommandx") {
1143 // \newcommandx{\foo}[2][usedefault, addprefix=\global,1=default]{#1,#2}
1146 if (nextToken().cat() == catBegin) {
1148 name = getToken().cs();
1149 if (getToken().cat() != catEnd) {
1150 error("'}' in \\newcommandx expected");
1154 name = getToken().cs();
1157 docstring const arg = getArg('[', ']');
1159 error("[num] in \\newcommandx expected");
1162 int nargs = convert<int>(arg);
1166 vector<MathData> optionalValues;
1167 if (nextToken().character() == '[') {
1171 // handle 'opt=value' options, separated by ','.
1173 while (nextToken().character() != ']' && good()) {
1174 if (nextToken().character() >= '1'
1175 && nextToken().character() <= '9') {
1176 // optional value -> get parameter number
1177 int n = getChar() - '0';
1179 error("Arity of \\newcommandx too low "
1180 "for given optional parameter.");
1185 if (getToken().character() != '=') {
1186 error("'=' and optional parameter value "
1187 "expected for \\newcommandx");
1192 int optNum = max(size_t(n), optionalValues.size());
1193 optionalValues.resize(optNum);
1194 optionalValues[n - 1].clear();
1195 while (nextToken().character() != ']'
1196 && nextToken().character() != ',') {
1198 parse(data, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1199 optionalValues[n - 1].append(data);
1201 optionals = max(n, optionals);
1202 } else if (nextToken().cat() == catLetter) {
1203 // we in fact ignore every non-optional
1208 while (nextToken().cat() == catLetter)
1214 if (nextToken().character() == '=') {
1216 while (nextToken().character() != ']'
1217 && nextToken().character() != ',')
1218 parse(value, FLAG_ITEM,
1219 InsetMath::UNDECIDED_MODE);
1222 error("option for \\newcommandx expected");
1228 if (nextToken().character() == ',') {
1231 } else if (nextToken().character() != ']') {
1232 error("Expecting ',' or ']' in options "
1233 "of \\newcommandx");
1246 parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1248 // is a version for display attached?
1251 if (nextToken().cat() == catBegin)
1252 parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
1254 cell->push_back(MathAtom(new InsetMathMacroTemplate(buf,
1255 name, nargs, optionals, MacroTypeNewcommandx,
1256 optionalValues, def, display)));
1258 if (buf && (mode_ & Parse::TRACKMACRO))
1259 buf->usermacros.insert(name);
1262 else if (t.cs() == "(") {
1263 if (mode == InsetMath::UNDECIDED_MODE) {
1264 cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
1265 parse2(cell->back(), FLAG_SIMPLE2, InsetMath::MATH_MODE, false);
1267 // Don't create nested math hulls (bug #5392)
1268 cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
1269 parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE2, InsetMath::MATH_MODE);
1273 else if (t.cs() == "[") {
1274 if (mode != InsetMath::UNDECIDED_MODE) {
1275 error("bad math environment [");
1278 cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
1279 parse2(cell->back(), FLAG_EQUATION, InsetMath::MATH_MODE, false);
1282 else if (t.cs() == "protect")
1283 // ignore \\protect, will hopefully be re-added during output
1286 else if (t.cs() == "end") {
1287 if (flags & FLAG_END) {
1288 // eat environment name
1289 docstring const name = getArg('{', '}');
1290 if (environments_.empty())
1291 error("'found \\end{" + name +
1292 "}' without matching '\\begin{" +
1294 else if (name != environments_.back())
1295 error("'\\end{" + name +
1296 "}' does not match '\\begin{" +
1297 environments_.back() + "}'");
1299 environments_.pop_back();
1300 // Delete empty last row in matrix
1302 // If you abuse InsetMathGrid for
1303 // non-matrix like structures you
1304 // probably need to refine this test.
1305 // Right now we only have to test for
1306 // single line hull insets.
1307 if (grid.nrows() > 1 && innerHull(name))
1308 delEmptyLastRow(grid);
1312 error("found 'end' unexpectedly");
1315 else if (t.cs() == ")") {
1316 if (flags & FLAG_SIMPLE2)
1318 error("found '\\)' unexpectedly");
1321 else if (t.cs() == "]") {
1322 if (flags & FLAG_EQUATION)
1324 error("found '\\]' unexpectedly");
1327 else if (t.cs() == "\\") {
1328 if (flags & FLAG_ALIGN)
1330 bool starred = false;
1332 if (nextToken().asInput() == "*") {
1335 } else if (nextToken().asInput() == "[")
1336 arg = getArg('[', ']');
1338 error("missing token after \\\\");
1339 // skip "{}" added in front of "[" (the
1340 // counterpart is in InsetMathGrid::eolString())
1341 // skip spaces because formula could come from tex2lyx
1342 bool skipBraces = false;
1344 if (nextToken().cat() == catBegin) {
1346 if (nextToken().cat() == catEnd) {
1350 if (nextToken().asInput() == "[")
1359 bool const added = addRow(grid, cellrow, arg, !starred);
1362 if (grid.asHullInset())
1363 grid.asHullInset()->numbered(
1365 cell = &grid.cell(grid.index(cellrow,
1370 else if (t.cs() == "multicolumn" && grid.handlesMulticolumn()) {
1371 // if the columns are specified numerically,
1372 // extract column count and insert dummy cells,
1373 // otherwise parse it as an user macro
1375 parse(count, FLAG_ITEM, mode);
1377 // limit arbitrarily to 100 columns
1378 if (extractNumber(count, cols) && cols > 0 && cols < 100) {
1379 // resize the table if necessary
1380 size_t first = grid.index(cellrow, cellcol);
1381 for (int i = 1; i < cols; ++i) {
1382 if (addCol(grid, cellcol)) {
1383 size_t const idx = grid.index(cellrow, cellcol);
1384 grid.cellinfo(idx).multi_ =
1385 InsetMathGrid::CELL_PART_OF_MULTICOLUMN;
1389 // the first cell is the real thing, not a dummy
1390 cell = &grid.cell(first);
1391 grid.cellinfo(first).multi_ =
1392 InsetMathGrid::CELL_BEGIN_OF_MULTICOLUMN;
1394 // read special alignment
1396 parse(align, FLAG_ITEM, mode);
1397 grid.cellinfo(first).align_ = asString(align);
1399 // parse the remaining contents into the "real" cell
1400 parse(*cell, FLAG_ITEM, mode);
1402 MathAtom at = MathAtom(new InsetMathMacro(buf, t.cs()));
1403 cell->push_back(at);
1404 cell->push_back(MathAtom(new InsetMathBrace(count)));
1408 else if (t.cs() == "limits" || t.cs() == "nolimits") {
1409 CatCode const cat = nextToken().cat();
1410 if (cat == catSuper || cat == catSub)
1411 limits = t.cs() == "limits" ? 1 : -1;
1413 MathAtom at = createInsetMath(t.cs(), buf);
1414 cell->push_back(at);
1418 // \notag is the same as \nonumber if amsmath is used
1419 else if ((t.cs() == "nonumber" || t.cs() == "notag") &&
1421 grid.asHullInset()->numbered(cellrow, false);
1423 else if (t.cs() == "number" && grid.asHullInset())
1424 grid.asHullInset()->numbered(cellrow, true);
1426 else if (t.cs() == "hline") {
1427 grid.rowinfo(cellrow).lines_ ++;
1430 else if (t.cs() == "sqrt") {
1432 parse(ar, FLAG_OPTION, mode);
1434 cell->push_back(MathAtom(new InsetMathRoot(buf)));
1435 cell->back().nucleus()->cell(0) = ar;
1436 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1438 cell->push_back(MathAtom(new InsetMathSqrt(buf)));
1439 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1443 else if (t.cs() == "cancelto") {
1445 parse(ar, FLAG_ITEM, mode);
1446 cell->push_back(MathAtom(new InsetMathCancelto(buf)));
1447 cell->back().nucleus()->cell(1) = ar;
1448 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1451 else if (t.cs() == "unit") {
1452 // Allowed formats \unit[val]{unit}
1454 parse(ar, FLAG_OPTION, mode);
1456 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT)));
1457 cell->back().nucleus()->cell(0) = ar;
1458 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1460 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT, 1)));
1461 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1465 else if (t.cs() == "unitfrac") {
1466 // Here allowed formats are \unitfrac[val]{num}{denom}
1468 parse(ar, FLAG_OPTION, mode);
1470 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC, 3)));
1471 cell->back().nucleus()->cell(2) = ar;
1473 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC)));
1475 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1476 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1479 else if (t.cs() == "cfrac") {
1480 // allowed formats are \cfrac[pos]{num}{denom}
1481 docstring const arg = getArg('[', ']');
1482 //lyxerr << "got so far: '" << arg << "'" << endl;
1484 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACLEFT)));
1485 else if (arg == "r")
1486 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACRIGHT)));
1487 else if (arg.empty() || arg == "c")
1488 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRAC)));
1490 error("found invalid optional argument");
1493 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1494 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1497 else if (t.cs() == "sideset") {
1498 // Here allowed formats are \sideset{_{bl}^{tl}}{_{br}^{tr}}{operator}
1500 InsetMathScript * script[2] = {0, 0};
1501 for (int i = 0; i < 2; ++i) {
1502 parse(ar[i], FLAG_ITEM, mode);
1503 if (ar[i].size() == 1)
1504 script[i] = ar[i][0].nucleus()->asScriptInset();
1506 bool const hasscript[2] = {script[0] ? true : false, script[1] ? true : false};
1507 cell->push_back(MathAtom(new InsetMathSideset(buf, hasscript[0], hasscript[1])));
1509 if (script[0]->hasDown())
1510 cell->back().nucleus()->cell(1) = script[0]->down();
1511 if (script[0]->hasUp())
1512 cell->back().nucleus()->cell(2) = script[0]->up();
1514 cell->back().nucleus()->cell(1) = ar[0];
1516 if (script[1]->hasDown())
1517 cell->back().nucleus()->cell(2 + hasscript[0]) = script[1]->down();
1518 if (script[1]->hasUp())
1519 cell->back().nucleus()->cell(3 + hasscript[0]) = script[1]->up();
1521 cell->back().nucleus()->cell(2 + hasscript[0]) = ar[1];
1522 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1525 else if (t.cs() == "stackrel") {
1526 // Here allowed formats are \stackrel[subscript]{superscript}{operator}
1528 parse(ar, FLAG_OPTION, mode);
1529 cell->push_back(MathAtom(new InsetMathStackrel(buf, !ar.empty())));
1531 cell->back().nucleus()->cell(2) = ar;
1532 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1533 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1536 else if (t.cs() == "xrightarrow" || t.cs() == "xleftarrow") {
1537 cell->push_back(createInsetMath(t.cs(), buf));
1538 parse(cell->back().nucleus()->cell(1), FLAG_OPTION, mode);
1539 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1542 else if (t.cs() == "xhookrightarrow" || t.cs() == "xhookleftarrow" ||
1543 t.cs() == "xRightarrow" || t.cs() == "xLeftarrow" ||
1544 t.cs() == "xleftrightarrow" || t.cs() == "xLeftrightarrow" ||
1545 t.cs() == "xrightharpoondown" || t.cs() == "xrightharpoonup" ||
1546 t.cs() == "xleftharpoondown" || t.cs() == "xleftharpoonup" ||
1547 t.cs() == "xleftrightharpoons" || t.cs() == "xrightleftharpoons" ||
1548 t.cs() == "xmapsto") {
1549 cell->push_back(createInsetMath(t.cs(), buf));
1550 parse(cell->back().nucleus()->cell(1), FLAG_OPTION, mode);
1551 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1554 else if (t.cs() == "ref" || t.cs() == "eqref" || t.cs() == "prettyref"
1555 || t.cs() == "pageref" || t.cs() == "vpageref" || t.cs() == "vref") {
1556 cell->push_back(MathAtom(new InsetMathRef(buf, t.cs())));
1557 docstring const opt = parse_verbatim_option();
1558 docstring const ref = parse_verbatim_item();
1560 cell->back().nucleus()->cell(1).push_back(
1561 MathAtom(new InsetMathString(opt)));
1563 cell->back().nucleus()->cell(0).push_back(
1564 MathAtom(new InsetMathString(ref)));
1567 else if (t.cs() == "left") {
1569 Token const & tl = getToken();
1570 // \| and \Vert are equivalent, and InsetMathDelim
1572 // FIXME: fix this in InsetMathDelim itself!
1573 docstring const l = tl.cs() == "|" ? from_ascii("Vert") : tl.asString();
1575 parse(ar, FLAG_RIGHT, mode);
1579 Token const & tr = getToken();
1580 docstring const r = tr.cs() == "|" ? from_ascii("Vert") : tr.asString();
1581 cell->push_back(MathAtom(new InsetMathDelim(buf, l, r, ar)));
1584 else if (t.cs() == "right") {
1585 if (flags & FLAG_RIGHT)
1587 //lyxerr << "got so far: '" << cell << "'" << endl;
1588 error("Unmatched right delimiter");
1592 else if (t.cs() == "begin") {
1593 docstring const name = getArg('{', '}');
1597 error("found invalid environment");
1601 environments_.push_back(name);
1603 if (name == "array" || name == "subarray") {
1604 docstring const valign = parse_verbatim_option() + 'c';
1605 docstring const halign = parse_verbatim_item();
1606 cell->push_back(MathAtom(new InsetMathArray(buf, name,
1607 InsetMathGrid::guessColumns(halign), 1, (char)valign[0], halign)));
1608 parse2(cell->back(), FLAG_END, mode, false);
1611 else if (name == "tabular") {
1612 docstring const valign = parse_verbatim_option() + 'c';
1613 docstring const halign = parse_verbatim_item();
1614 cell->push_back(MathAtom(new InsetMathTabular(buf, name,
1615 InsetMathGrid::guessColumns(halign), 1, (char)valign[0], halign)));
1616 parse2(cell->back(), FLAG_END, InsetMath::TEXT_MODE, false);
1619 else if (name == "split" || name == "cases") {
1620 cell->push_back(createInsetMath(name, buf));
1621 parse2(cell->back(), FLAG_END, mode, false);
1624 else if (name == "alignedat") {
1625 docstring const valign = parse_verbatim_option() + 'c';
1626 // ignore this for a while
1628 cell->push_back(MathAtom(new InsetMathSplit(buf, name, (char)valign[0])));
1629 parse2(cell->back(), FLAG_END, mode, false);
1632 else if (name == "math") {
1633 if (mode == InsetMath::UNDECIDED_MODE) {
1634 cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
1635 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, false);
1637 // Don't create nested math hulls (bug #5392)
1638 cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
1639 parse(cell->back().nucleus()->cell(0), FLAG_END, InsetMath::MATH_MODE);
1643 else if (name == "equation" || name == "equation*"
1644 || name == "displaymath") {
1645 if (mode != InsetMath::UNDECIDED_MODE) {
1646 error("bad math environment " + name);
1649 cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
1650 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, (name == "equation"));
1653 else if (name == "eqnarray" || name == "eqnarray*") {
1654 if (mode != InsetMath::UNDECIDED_MODE) {
1655 error("bad math environment " + name);
1658 cell->push_back(MathAtom(new InsetMathHull(buf, hullEqnArray)));
1659 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1662 else if (name == "align" || name == "align*") {
1663 if (mode == InsetMath::UNDECIDED_MODE) {
1664 cell->push_back(MathAtom(new InsetMathHull(buf, hullAlign)));
1665 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1667 cell->push_back(MathAtom(new InsetMathSplit(buf, name,
1668 'c', !stared(name))));
1669 parse2(cell->back(), FLAG_END, mode, !stared(name));
1673 else if (name == "flalign" || name == "flalign*") {
1674 if (mode != InsetMath::UNDECIDED_MODE) {
1675 error("bad math environment " + name);
1678 cell->push_back(MathAtom(new InsetMathHull(buf, hullFlAlign)));
1679 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1682 else if (name == "alignat" || name == "alignat*") {
1683 if (mode != InsetMath::UNDECIDED_MODE) {
1684 error("bad math environment " + name);
1687 // ignore this for a while
1689 cell->push_back(MathAtom(new InsetMathHull(buf, hullAlignAt)));
1690 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1693 else if (name == "xalignat" || name == "xalignat*") {
1694 if (mode != InsetMath::UNDECIDED_MODE) {
1695 error("bad math environment " + name);
1698 // ignore this for a while
1700 cell->push_back(MathAtom(new InsetMathHull(buf, hullXAlignAt)));
1701 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1704 else if (name == "xxalignat") {
1705 if (mode != InsetMath::UNDECIDED_MODE) {
1706 error("bad math environment " + name);
1709 // ignore this for a while
1711 cell->push_back(MathAtom(new InsetMathHull(buf, hullXXAlignAt)));
1712 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1715 else if (name == "multline" || name == "multline*") {
1716 if (mode != InsetMath::UNDECIDED_MODE) {
1717 error("bad math environment " + name);
1720 cell->push_back(MathAtom(new InsetMathHull(buf, hullMultline)));
1721 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1724 else if (name == "gather" || name == "gather*") {
1725 if (mode != InsetMath::UNDECIDED_MODE) {
1726 error("bad math environment " + name);
1729 cell->push_back(MathAtom(new InsetMathHull(buf, hullGather)));
1730 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1733 else if (latexkeys const * l = in_word_set(name)) {
1734 if (l->inset == "matrix") {
1735 cell->push_back(createInsetMath(name, buf));
1736 parse2(cell->back(), FLAG_END, mode, false);
1737 } else if (l->inset == "split") {
1738 docstring const valign = parse_verbatim_option() + 'c';
1739 cell->push_back(MathAtom(
1740 new InsetMathSplit(buf, name, (char)valign[0])));
1741 parse2(cell->back(), FLAG_END, mode, false);
1744 if (!(mode_ & Parse::QUIET)) {
1746 lyxerr << "found math environment `"
1748 << "' in symbols file with unsupported inset `"
1752 // create generic environment inset
1753 cell->push_back(MathAtom(new InsetMathEnv(buf, name)));
1754 parse(cell->back().nucleus()->cell(0), FLAG_END, mode);
1760 if (!(mode_ & Parse::QUIET) &&
1761 !(mode_ & Parse::TRACKMACRO)) {
1763 lyxerr << "found unknown math environment '"
1764 << to_utf8(name) << "'" << endl;
1766 // create generic environment inset
1767 cell->push_back(MathAtom(new InsetMathEnv(buf, name)));
1768 parse(cell->back().nucleus()->cell(0), FLAG_END, mode);
1772 else if (t.cs() == "kern" || t.cs() == "mkern") {
1777 Token const & t = getToken();
1781 while (num_tokens--)
1786 if (isValidLength(to_utf8(s)))
1790 cell->push_back(MathAtom(new InsetMathMacro(buf, t.cs())));
1792 cell->push_back(MathAtom(new InsetMathKern(s)));
1795 else if (t.cs() == "label") {
1796 // FIXME: This is swallowed in inline formulas
1797 docstring label = parse_verbatim_item();
1800 if (grid.asHullInset()) {
1801 grid.asHullInset()->label(cellrow, label);
1802 grid.asHullInset()->numbered(cellrow, true);
1804 cell->push_back(createInsetMath(t.cs(), buf));
1805 cell->push_back(MathAtom(new InsetMathBrace(ar)));
1809 else if (t.cs() == "choose" || t.cs() == "over"
1810 || t.cs() == "atop" || t.cs() == "brace"
1811 || t.cs() == "brack") {
1812 MathAtom at = createInsetMath(t.cs(), buf);
1813 at.nucleus()->cell(0) = *cell;
1815 parse(at.nucleus()->cell(1), flags, mode);
1816 cell->push_back(at);
1820 else if (t.cs() == "color") {
1821 docstring const color = parse_verbatim_item();
1822 cell->push_back(MathAtom(new InsetMathColor(buf, true, color)));
1823 parse(cell->back().nucleus()->cell(0), flags, mode);
1827 else if (t.cs() == "textcolor") {
1828 docstring const color = parse_verbatim_item();
1829 cell->push_back(MathAtom(new InsetMathColor(buf, false, color)));
1830 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, InsetMath::TEXT_MODE);
1833 else if (t.cs() == "normalcolor") {
1834 cell->push_back(createInsetMath(t.cs(), buf));
1835 parse(cell->back().nucleus()->cell(0), flags, mode);
1839 else if (t.cs() == "substack") {
1840 cell->push_back(createInsetMath(t.cs(), buf));
1841 parse2(cell->back(), FLAG_ITEM, mode, false);
1842 // Delete empty last row if present
1843 InsetMathGrid & subgrid =
1844 *(cell->back().nucleus()->asGridInset());
1845 if (subgrid.nrows() > 1)
1846 delEmptyLastRow(subgrid);
1849 else if (t.cs() == "xymatrix") {
1850 odocstringstream os;
1851 while (good() && nextToken().cat() != catBegin)
1852 os << getToken().asInput();
1853 cell->push_back(createInsetMath(t.cs() + os.str(), buf));
1854 parse2(cell->back(), FLAG_ITEM, mode, false);
1855 // Delete empty last row if present
1856 InsetMathGrid & subgrid =
1857 *(cell->back().nucleus()->asGridInset());
1858 if (subgrid.nrows() > 1)
1859 delEmptyLastRow(subgrid);
1862 else if (t.cs() == "Diagram") {
1863 odocstringstream os;
1864 while (good() && nextToken().cat() != catBegin)
1865 os << getToken().asInput();
1866 cell->push_back(createInsetMath(t.cs() + os.str(), buf));
1867 parse2(cell->back(), FLAG_ITEM, mode, false);
1870 else if (t.cs() == "framebox" || t.cs() == "makebox") {
1871 cell->push_back(createInsetMath(t.cs(), buf));
1872 parse(cell->back().nucleus()->cell(0), FLAG_OPTION, InsetMath::TEXT_MODE);
1873 parse(cell->back().nucleus()->cell(1), FLAG_OPTION, InsetMath::TEXT_MODE);
1874 parse(cell->back().nucleus()->cell(2), FLAG_ITEM, InsetMath::TEXT_MODE);
1877 else if (t.cs() == "tag") {
1878 if (nextToken().character() == '*') {
1880 cell->push_back(createInsetMath(t.cs() + '*', buf));
1882 cell->push_back(createInsetMath(t.cs(), buf));
1883 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, InsetMath::TEXT_MODE);
1886 else if (t.cs() == "hspace") {
1887 bool const prot = nextToken().character() == '*';
1890 docstring const name = t.cs();
1891 docstring const arg = parse_verbatim_item();
1893 if (prot && arg == "\\fill")
1894 cell->push_back(MathAtom(new InsetMathSpace("hspace*{\\fill}", "")));
1895 else if (isValidLength(to_utf8(arg), &length))
1896 cell->push_back(MathAtom(new InsetMathSpace(length, prot)));
1898 // Since the Length class cannot use length variables
1899 // we must not create an InsetMathSpace.
1900 cell->push_back(MathAtom(new InsetMathMacro(buf, name)));
1902 mathed_parse_cell(ar, '{' + arg + '}', mode_);
1907 else if (t.cs() == "smash") {
1909 if (nextToken().asInput() == "[") {
1910 // Since the phantom inset cannot handle optional arguments
1911 // other than b and t, we must not create an InsetMathPhantom
1912 // if opt is different from b and t (bug 8967).
1913 docstring const opt = parse_verbatim_option();
1914 if (opt == "t" || opt == "b") {
1915 cell->push_back(createInsetMath(t.cs() + opt, buf));
1916 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1918 docstring const arg = parse_verbatim_item();
1919 cell->push_back(MathAtom(new InsetMathMacro(buf, t.cs())));
1921 mathed_parse_cell(ar, '[' + opt + ']', mode_);
1924 mathed_parse_cell(ar, '{' + arg + '}', mode_);
1929 cell->push_back(createInsetMath(t.cs(), buf));
1930 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1935 else if (t.cs() == "infer") {
1937 parse(ar, FLAG_OPTION, mode);
1938 cell->push_back(createInsetMath(t.cs(), buf));
1939 parse2(cell->back(), FLAG_ITEM, mode, false);
1943 else if (t.cs() == "lyxmathsym") {
1945 if (getToken().cat() != catBegin) {
1946 error("'{' expected in \\" + t.cs());
1951 CatCode cat = nextToken().cat();
1952 while (good() && (count || cat != catEnd)) {
1953 if (cat == catBegin)
1955 else if (cat == catEnd)
1957 cmd += getToken().asInput();
1958 cat = nextToken().cat();
1960 if (getToken().cat() != catEnd) {
1961 error("'}' expected in \\" + t.cs());
1967 cmd = Encodings::fromLaTeXCommand(cmd,
1968 Encodings::MATH_CMD | Encodings::TEXT_CMD,
1970 for (size_t i = 0; i < cmd.size(); ++i)
1971 cell->push_back(MathAtom(new InsetMathChar(cmd[i])));
1973 char_type c = rem[0];
1974 cell->push_back(MathAtom(new InsetMathChar(c)));
1975 cmd = rem.substr(1);
1979 } while (!cmd.empty());
1982 else if (!t.cs().empty()) {
1983 bool const no_mhchem =
1984 (t.cs() == "ce" || t.cs() == "cf")
1985 && buf && buf->params().use_package("mhchem") ==
1986 BufferParams::package_off;
1988 bool const is_user_macro = no_mhchem ||
1989 (buf && (mode_ & Parse::TRACKMACRO
1990 ? buf->usermacros.count(t.cs()) != 0
1991 : buf->getMacro(t.cs(), false) != 0));
1993 latexkeys const * l = in_word_set(t.cs());
1994 if (l && !is_user_macro) {
1995 if (l->inset == "big") {
1997 docstring const delim = getToken().asInput();
1998 if (InsetMathBig::isBigInsetDelim(delim))
1999 cell->push_back(MathAtom(
2000 new InsetMathBig(t.cs(), delim)));
2002 cell->push_back(createInsetMath(t.cs(), buf));
2007 else if (l->inset == "font") {
2008 cell->push_back(createInsetMath(t.cs(), buf));
2009 parse(cell->back().nucleus()->cell(0),
2010 FLAG_ITEM, asMode(mode, l->extra));
2013 else if (l->inset == "oldfont") {
2014 cell->push_back(createInsetMath(t.cs(), buf));
2015 parse(cell->back().nucleus()->cell(0),
2016 flags | FLAG_ALIGN, asMode(mode, l->extra));
2017 if (prevToken().cat() != catAlign &&
2018 prevToken().cs() != "\\")
2023 else if (l->inset == "style") {
2024 cell->push_back(createInsetMath(t.cs(), buf));
2025 parse(cell->back().nucleus()->cell(0),
2026 flags | FLAG_ALIGN, mode);
2027 if (prevToken().cat() != catAlign &&
2028 prevToken().cs() != "\\")
2034 MathAtom at = createInsetMath(t.cs(), buf);
2035 for (InsetMath::idx_type i = 0; i < at->nargs(); ++i)
2036 parse(at.nucleus()->cell(i),
2037 FLAG_ITEM, asMode(mode, l->extra));
2038 cell->push_back(at);
2043 bool is_unicode_symbol = false;
2044 if (mode == InsetMath::TEXT_MODE && !is_user_macro) {
2046 docstring cmd = prevToken().asInput();
2047 CatCode cat = nextToken().cat();
2048 if (cat == catBegin) {
2050 while (good() && (count || cat != catEnd)) {
2051 cat = nextToken().cat();
2052 cmd += getToken().asInput();
2054 if (cat == catBegin)
2056 else if (cat == catEnd)
2062 char_type c = Encodings::fromLaTeXCommand(cmd,
2063 Encodings::MATH_CMD | Encodings::TEXT_CMD,
2064 is_combining, termination);
2066 if (cat == catLetter)
2068 cmd += getToken().asInput();
2070 if (cat == catLetter)
2072 c = Encodings::fromLaTeXCommand(cmd,
2073 Encodings::MATH_CMD | Encodings::TEXT_CMD,
2074 is_combining, termination);
2078 if (nextToken().cat() == catBegin) {
2080 if (nextToken().cat() == catEnd) {
2086 while (nextToken().cat() == catSpace) {
2092 is_unicode_symbol = true;
2093 cell->push_back(MathAtom(new InsetMathChar(c)));
2095 while (num_tokens--)
2099 if (!is_unicode_symbol) {
2100 MathAtom at = is_user_macro ?
2101 MathAtom(new InsetMathMacro(buf, t.cs()))
2102 : createInsetMath(t.cs(), buf);
2103 InsetMath::mode_type m = mode;
2104 //if (m == InsetMath::UNDECIDED_MODE)
2105 //lyxerr << "default creation: m1: " << m << endl;
2106 if (at->currentMode() != InsetMath::UNDECIDED_MODE)
2107 m = at->currentMode();
2108 //lyxerr << "default creation: m2: " << m << endl;
2109 InsetMath::idx_type start = 0;
2110 // this fails on \bigg[...\bigg]
2112 //parse(opt, FLAG_OPTION, InsetMath::VERBATIM_MODE);
2113 //if (!opt.empty()) {
2115 // at.nucleus()->cell(0) = opt;
2117 for (InsetMath::idx_type i = start; i < at->nargs(); ++i) {
2118 parse(at.nucleus()->cell(i), FLAG_ITEM, m);
2119 if (mode == InsetMath::MATH_MODE)
2122 cell->push_back(at);
2128 if (flags & FLAG_LEAVE) {
2129 flags &= ~FLAG_LEAVE;
2138 } // anonymous namespace
2141 // FIXME This will likely need some work.
2142 char const * latexkeys::MathMLtype() const
2144 if (extra == "mathord")
2150 bool mathed_parse_cell(MathData & ar, docstring const & str, Parse::flags f)
2152 return Parser(str, f, ar.buffer()).parse(ar, 0, f & Parse::TEXTMODE ?
2153 InsetMath::TEXT_MODE : InsetMath::MATH_MODE);
2157 bool mathed_parse_cell(MathData & ar, istream & is, Parse::flags f)
2159 return Parser(is, f, ar.buffer()).parse(ar, 0, f & Parse::TEXTMODE ?
2160 InsetMath::TEXT_MODE : InsetMath::MATH_MODE);
2164 bool mathed_parse_normal(Buffer * buf, MathAtom & t, docstring const & str,
2167 return Parser(str, f, buf).parse(t);
2171 bool mathed_parse_normal(Buffer * buf, MathAtom & t, Lexer & lex,
2174 return Parser(lex, f, buf).parse(t);
2178 bool mathed_parse_normal(InsetMathGrid & grid, docstring const & str,
2181 return Parser(str, f, &grid.buffer()).parse1(grid, 0, f & Parse::TEXTMODE ?
2182 InsetMath::TEXT_MODE : InsetMath::MATH_MODE, false);
2188 fill(theCatcode, theCatcode + 128, catOther);
2189 fill(theCatcode + 'a', theCatcode + 'z' + 1, catLetter);
2190 fill(theCatcode + 'A', theCatcode + 'Z' + 1, catLetter);
2192 theCatcode[int('\\')] = catEscape;
2193 theCatcode[int('{')] = catBegin;
2194 theCatcode[int('}')] = catEnd;
2195 theCatcode[int('$')] = catMath;
2196 theCatcode[int('&')] = catAlign;
2197 theCatcode[int('\n')] = catNewline;
2198 theCatcode[int('#')] = catParameter;
2199 theCatcode[int('^')] = catSuper;
2200 theCatcode[int('_')] = catSub;
2201 theCatcode[int(0x7f)] = catIgnore;
2202 theCatcode[int(' ')] = catSpace;
2203 theCatcode[int('\t')] = catSpace;
2204 theCatcode[int('\r')] = catNewline;
2205 theCatcode[int('~')] = catActive;
2206 theCatcode[int('%')] = catComment;