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 "MathMacro.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 "MathMacroTemplate.h"
67 #include "MathExtern.h"
68 #include "MathFactory.h"
69 #include "MathMacroArgument.h"
70 #include "MathSupport.h"
73 #include "BufferParams.h"
77 #include "support/debug.h"
78 #include "support/convert.h"
79 #include "support/docstream.h"
91 InsetMath::mode_type asMode(InsetMath::mode_type oldmode, docstring const & str)
93 //lyxerr << "handling mode: '" << str << "'" << endl;
94 if (str == "mathmode")
95 return InsetMath::MATH_MODE;
96 if (str == "textmode" || str == "forcetext")
97 return InsetMath::TEXT_MODE;
102 bool stared(docstring const & s)
104 size_t const n = s.size();
105 return n && s[n - 1] == '*';
109 docstring const repl(docstring const & oldstr, char_type const c,
110 docstring const & macro, bool textmode = false)
116 for (i = 0, j = 0; i < oldstr.size(); ++i) {
117 if (c == oldstr[i]) {
118 newstr.append(oldstr, j, i - j);
119 newstr.append(macro);
121 if (macro.size() > 2 && j < oldstr.size())
122 newstr += (textmode && oldstr[j] == ' ' ? '\\' : ' ');
130 newstr.append(oldstr, j, i - j);
135 docstring escapeSpecialChars(docstring const & str, bool textmode)
137 docstring const backslash = textmode ? from_ascii("\\textbackslash")
138 : from_ascii("\\backslash");
139 docstring const caret = textmode ? from_ascii("\\textasciicircum")
140 : from_ascii("\\mathcircumflex");
141 docstring const tilde = textmode ? from_ascii("\\textasciitilde")
142 : from_ascii("\\sim");
144 return repl(repl(repl(repl(repl(repl(repl(repl(repl(repl(str,
145 '\\', backslash, textmode),
146 '^', caret, textmode),
147 '~', tilde, textmode),
148 '_', from_ascii("\\_")),
149 '$', from_ascii("\\$")),
150 '#', from_ascii("\\#")),
151 '&', from_ascii("\\&")),
152 '%', from_ascii("\\%")),
153 '{', from_ascii("\\{")),
154 '}', from_ascii("\\}"));
159 * Add the row \p cellrow to \p grid.
160 * \returns wether the row could be added. Adding a row can fail for
161 * environments like "equation" that have a fixed number of rows.
163 bool addRow(InsetMathGrid & grid, InsetMathGrid::row_type & cellrow,
164 docstring const & vskip, bool allow_newpage_ = true)
167 if (cellrow == grid.nrows()) {
168 //lyxerr << "adding row " << cellrow << endl;
169 grid.addRow(cellrow - 1);
170 if (cellrow == grid.nrows()) {
171 // We can't add a row to this grid, so let's
172 // append the content of this cell to the previous
174 // This does not happen in well formed .lyx files,
175 // but LyX versions 1.3.x and older could create
176 // such files and tex2lyx can still do that.
178 lyxerr << "ignoring extra row";
180 lyxerr << " with extra space " << to_utf8(vskip);
182 lyxerr << " with no page break allowed";
183 lyxerr << '.' << endl;
187 grid.vcrskip(Length(to_utf8(vskip)), cellrow - 1);
188 grid.rowinfo(cellrow - 1).allow_newpage_ = allow_newpage_;
194 * Add the column \p cellcol to \p grid.
195 * \returns wether the column could be added. Adding a column can fail for
196 * environments like "eqnarray" that have a fixed number of columns.
198 bool addCol(InsetMathGrid & grid, InsetMathGrid::col_type & cellcol)
201 if (cellcol == grid.ncols()) {
202 //lyxerr << "adding column " << cellcol << endl;
203 grid.addCol(cellcol);
204 if (cellcol == grid.ncols()) {
205 // We can't add a column to this grid, so let's
206 // append the content of this cell to the previous
208 // This does not happen in well formed .lyx files,
209 // but LyX versions 1.3.x and older could create
210 // such files and tex2lyx can still do that.
212 lyxerr << "ignoring extra column." << endl;
221 * Check whether the last row is empty and remove it if yes.
222 * Otherwise the following code
230 * will result in a grid with 3 rows (+ the dummy row that is always present),
231 * because the last '\\' opens a new row.
232 * Do never delete a row that contains a multicolumn, even if all cells empty,
233 * since the multicolumn information would get lost otherwise.
234 * Note that this is only needed for inner-hull grid types, such as array
235 * or aligned, but not for outer-hull grid types, such as eqnarray or align.
237 void delEmptyLastRow(InsetMathGrid & grid)
239 InsetMathGrid::row_type const row = grid.nrows() - 1;
240 for (InsetMathGrid::col_type col = 0; col < grid.ncols(); ++col) {
241 InsetMathGrid::idx_type const idx = grid.index(row, col);
242 if (!grid.cell(idx).empty() ||
243 grid.cellinfo(idx).multi_ != InsetMathGrid::CELL_NORMAL)
246 // Copy the row information of the empty row (which would contain the
247 // last hline in the example above) to the dummy row and delete the
249 grid.rowinfo(row + 1) = grid.rowinfo(row);
255 * Tell whether the environment name corresponds to an inner-hull grid type.
257 bool innerHull(docstring const & name)
259 // For [bB]matrix, [vV]matrix, and pmatrix we can check the suffix only
260 return name == "array" || name == "cases" || name == "aligned"
261 || name == "alignedat" || name == "gathered" || name == "split"
262 || name == "subarray" || name == "tabular" || name == "matrix"
263 || name == "smallmatrix" || name.substr(1) == "matrix";
267 // These are TeX's catcodes
269 catEscape, // 0 backslash
279 catSpace, // 10 space
280 catLetter, // 11 a-zA-Z
281 catOther, // 12 none of the above
284 catInvalid // 15 <delete>
287 CatCode theCatcode[128];
290 inline CatCode catcode(char_type c)
292 /* The only characters that are not catOther lie in the pure ASCII
293 * range. Therefore theCatcode has only 128 entries.
294 * TeX itself deals with 8bit characters, so if needed this table
295 * could be enlarged to 256 entries.
296 * Any larger value does not make sense, since the fact that we use
297 * unicode internally does not change Knuth's TeX engine.
298 * Apart from that a table for the full 21bit UCS4 range would waste
299 * too much memory. */
303 return theCatcode[c];
308 FLAG_ALIGN = 1 << 0, // next & or \\ ends the parsing process
309 FLAG_BRACE_LAST = 1 << 1, // next closing brace ends the parsing
310 FLAG_RIGHT = 1 << 2, // next \\right ends the parsing process
311 FLAG_END = 1 << 3, // next \\end ends the parsing process
312 FLAG_BRACK_LAST = 1 << 4, // next closing bracket ends the parsing
313 FLAG_TEXTMODE = 1 << 5, // we are in a box
314 FLAG_ITEM = 1 << 6, // read a (possibly braced) token
315 FLAG_LEAVE = 1 << 7, // leave the loop at the end
316 FLAG_SIMPLE = 1 << 8, // next $ leaves the loop
317 FLAG_EQUATION = 1 << 9, // next \] leaves the loop
318 FLAG_SIMPLE2 = 1 << 10, // next \) leaves the loop
319 FLAG_OPTION = 1 << 11, // read [...] style option
320 FLAG_BRACED = 1 << 12 // read {...} style argument
325 // Helper class for parsing
331 Token() : cs_(), char_(0), cat_(catIgnore) {}
333 Token(char_type c, CatCode cat) : cs_(), char_(c), cat_(cat) {}
335 explicit Token(docstring const & cs) : cs_(cs), char_(0), cat_(catIgnore) {}
338 docstring const & cs() const { return cs_; }
340 CatCode cat() const { return cat_; }
342 char_type character() const { return char_; }
344 docstring asString() const { return !cs_.empty() ? cs_ : docstring(1, char_); }
346 docstring asInput() const { return !cs_.empty() ? '\\' + cs_ : docstring(1, char_); }
358 ostream & operator<<(ostream & os, Token const & t)
360 if (!t.cs().empty()) {
361 docstring const & cs = t.cs();
362 // FIXME: For some strange reason, the stream operator instanciate
363 // a new Token before outputting the contents of t.cs().
364 // Because of this the line
366 // below becomes recursive.
367 // In order to avoid that we return early:
370 os << '\\' << to_utf8(cs);
372 else if (t.cat() == catLetter)
375 os << '[' << t.character() << ',' << t.cat() << ']';
383 typedef InsetMath::mode_type mode_type;
385 typedef Parse::flags parse_mode;
388 Parser(Lexer & lex, parse_mode mode, Buffer * buf);
389 /// Only use this for reading from .lyx file format, for the reason
390 /// see Parser::tokenize(istream &).
391 Parser(istream & is, parse_mode mode, Buffer * buf);
393 Parser(docstring const & str, parse_mode mode, Buffer * buf);
396 bool parse(MathAtom & at);
398 bool parse(MathData & array, unsigned flags, mode_type mode);
400 bool parse1(InsetMathGrid & grid, unsigned flags, mode_type mode,
403 MathData parse(unsigned flags, mode_type mode);
405 int lineno() const { return lineno_; }
408 /// store current position
410 /// restore previous position
412 /// forget last saved position
417 void parse2(MathAtom & at, unsigned flags, mode_type mode, bool numbered);
418 /// get arg delimited by 'left' and 'right'
419 docstring getArg(char_type left, char_type right);
423 void error(string const & msg);
424 void error(docstring const & msg) { error(to_utf8(msg)); }
425 /// dump contents to screen
427 /// Only use this for reading from .lyx file format (see
428 /// implementation for reason)
429 void tokenize(istream & is);
431 void tokenize(docstring const & s);
433 void skipSpaceTokens(idocstream & is, char_type c);
435 void push_back(Token const & t);
439 Token const & prevToken() const;
441 Token const & nextToken() const;
443 Token const & getToken();
444 /// skips spaces if any
447 void lex(docstring const & s);
451 docstring parse_verbatim_item();
453 docstring parse_verbatim_option();
458 vector<Token> tokens_;
462 std::vector<unsigned> positions_;
463 /// Stack of active environments
464 vector<docstring> environments_;
474 Parser::Parser(Lexer & lexer, parse_mode mode, Buffer * buf)
475 : lineno_(lexer.lineNumber()), pos_(0), mode_(mode), success_(true),
478 tokenize(lexer.getStream());
483 Parser::Parser(istream & is, parse_mode mode, Buffer * buf)
484 : lineno_(0), pos_(0), mode_(mode), success_(true), buffer_(buf)
490 Parser::Parser(docstring const & str, parse_mode mode, Buffer * buf)
491 : lineno_(0), pos_(0), mode_(mode), success_(true), buffer_(buf)
497 void Parser::push_back(Token const & t)
499 tokens_.push_back(t);
503 void Parser::pop_back()
509 Token const & Parser::prevToken() const
511 static const Token dummy;
512 return pos_ > 0 ? tokens_[pos_ - 1] : dummy;
516 Token const & Parser::nextToken() const
518 static const Token dummy;
519 return good() ? tokens_[pos_] : dummy;
523 Token const & Parser::getToken()
525 static const Token dummy;
526 //lyxerr << "looking at token " << tokens_[pos_] << " pos: " << pos_ << endl;
527 return good() ? tokens_[pos_++] : dummy;
531 void Parser::skipSpaces()
533 while (nextToken().cat() == catSpace || nextToken().cat() == catNewline)
538 void Parser::putback()
544 void Parser::pushPosition()
546 positions_.push_back(pos_);
550 void Parser::popPosition()
552 pos_ = positions_.back();
553 positions_.pop_back();
557 void Parser::dropPosition()
559 positions_.pop_back();
563 bool Parser::good() const
565 return pos_ < tokens_.size();
569 char_type Parser::getChar()
572 error("The input stream is not well...");
575 return tokens_[pos_++].character();
579 docstring Parser::getArg(char_type left, char_type right)
587 char_type c = getChar();
592 while ((c = getChar()) != right && good())
599 void Parser::skipSpaceTokens(idocstream & is, char_type c)
601 // skip trailing spaces
602 while (catcode(c) == catSpace || catcode(c) == catNewline)
605 //lyxerr << "putting back: " << c << endl;
610 void Parser::tokenize(istream & is)
612 // eat everything up to the next \end_inset or end of stream
613 // and store it in s for further tokenization
618 if (s.size() >= 10 && s.substr(s.size() - 10) == "\\end_inset") {
619 s = s.substr(0, s.size() - 10);
623 // Remove the space after \end_inset
624 if (is.get(c) && c != ' ')
628 tokenize(from_utf8(s));
632 void Parser::tokenize(docstring const & buffer)
634 idocstringstream is(mode_ & Parse::VERBATIM
635 ? escapeSpecialChars(buffer, mode_ & Parse::TEXTMODE)
636 : buffer, ios::in | ios::binary);
640 //lyxerr << "reading c: " << c << endl;
642 switch (catcode(c)) {
646 if (catcode(c) == catNewline)
647 ; //push_back(Token("par"));
649 push_back(Token('\n', catNewline));
657 while (is.get(c) && catcode(c) != catNewline)
667 error("unexpected end of input");
672 if (catcode(c) == catLetter) {
674 while (is.get(c) && catcode(c) == catLetter)
676 skipSpaceTokens(is, c);
685 push_back(Token(c, catcode(c)));
687 skipSpaceTokens(is, c);
692 if (!(mode_ & Parse::QUIET))
693 lyxerr << "ignoring a char: " << int(c) << endl;
698 push_back(Token(c, catcode(c)));
708 void Parser::dump() const
710 lyxerr << "\nTokens: ";
711 for (unsigned i = 0; i < tokens_.size(); ++i) {
714 lyxerr << tokens_[i];
716 lyxerr << " pos: " << pos_ << endl;
720 void Parser::error(string const & msg)
723 if (!(mode_ & Parse::QUIET)) {
724 lyxerr << "Line ~" << lineno_ << ": Math parse error: "
731 bool Parser::parse(MathAtom & at)
734 MathData ar(buffer_);
735 parse(ar, false, InsetMath::UNDECIDED_MODE);
736 if (ar.size() != 1 || ar.front()->getType() == hullNone) {
737 if (!(mode_ & Parse::QUIET))
738 lyxerr << "unusual contents found: " << ar << endl;
739 at = MathAtom(new InsetMathPar(buffer_, ar));
740 //if (at->nargs() > 0)
741 // at.nucleus()->cell(0) = ar;
743 // lyxerr << "unusual contents found: " << ar << endl;
751 docstring Parser::parse_verbatim_option()
755 if (nextToken().character() == '[') {
756 Token t = getToken();
757 for (Token t = getToken(); t.character() != ']' && good(); t = getToken()) {
758 if (t.cat() == catBegin) {
760 res += '{' + parse_verbatim_item() + '}';
769 docstring Parser::parse_verbatim_item()
773 if (nextToken().cat() == catBegin) {
774 Token t = getToken();
775 for (Token t = getToken(); t.cat() != catEnd && good(); t = getToken()) {
776 if (t.cat() == catBegin) {
778 res += '{' + parse_verbatim_item() + '}';
788 MathData Parser::parse(unsigned flags, mode_type mode)
790 MathData ar(buffer_);
791 parse(ar, flags, mode);
796 bool Parser::parse(MathData & array, unsigned flags, mode_type mode)
798 InsetMathGrid grid(buffer_, 1, 1);
799 parse1(grid, flags, mode, false);
800 array = grid.cell(0);
805 void Parser::parse2(MathAtom & at, const unsigned flags, const mode_type mode,
808 parse1(*(at.nucleus()->asGridInset()), flags, mode, numbered);
812 bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
813 const mode_type mode, const bool numbered)
816 InsetMathGrid::row_type cellrow = 0;
817 InsetMathGrid::col_type cellcol = 0;
818 MathData * cell = &grid.cell(grid.index(cellrow, cellcol));
819 Buffer * buf = buffer_;
821 if (grid.asHullInset())
822 grid.asHullInset()->numbered(cellrow, numbered);
825 //lyxerr << " flags: " << flags << endl;
826 //lyxerr << " mode: " << mode << endl;
827 //lyxerr << "grid: " << grid << endl;
830 Token const & t = getToken();
833 lyxerr << "t: " << t << " flags: " << flags << endl;
834 lyxerr << "mode: " << mode << endl;
839 if (flags & FLAG_ITEM) {
841 if (t.cat() == catBegin) {
842 // skip the brace and collect everything to the next matching
844 parse1(grid, FLAG_BRACE_LAST, mode, numbered);
848 // handle only this single token, leave the loop if done
853 if (flags & FLAG_BRACED) {
854 if (t.cat() == catSpace)
857 if (t.cat() != catBegin) {
858 error("opening brace expected");
862 // skip the brace and collect everything to the next matching
864 flags = FLAG_BRACE_LAST;
868 if (flags & FLAG_OPTION) {
869 if (t.cat() == catOther && t.character() == '[') {
871 parse(ar, FLAG_BRACK_LAST, mode);
874 // no option found, put back token and we are done
883 if (t.cat() == catMath) {
884 if (mode != InsetMath::MATH_MODE) {
885 // we are inside some text mode thingy, so opening new math is allowed
886 Token const & n = getToken();
887 if (n.cat() == catMath) {
888 // TeX's $$...$$ syntax for displayed math
889 if (mode == InsetMath::UNDECIDED_MODE) {
890 cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
891 parse2(cell->back(), FLAG_SIMPLE, InsetMath::MATH_MODE, false);
892 getToken(); // skip the second '$' token
894 // This is not an outer hull and display math is
895 // not allowed inside text mode environments.
896 error("bad math environment $$");
900 // simple $...$ stuff
902 if (mode == InsetMath::UNDECIDED_MODE) {
903 cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
904 parse2(cell->back(), FLAG_SIMPLE, InsetMath::MATH_MODE, false);
906 // Don't create nested math hulls (bug #5392)
907 cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
908 parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE, InsetMath::MATH_MODE);
913 else if (flags & FLAG_SIMPLE) {
914 // this is the end of the formula
919 Token const & n = getToken();
920 if (n.cat() == catMath) {
921 error("something strange in the parser");
924 // This is inline math ($...$), but the parser thinks we are
925 // already in math mode and latex would issue an error, unless we
926 // are inside a text mode user macro. We have no way to tell, so
927 // let's play safe by using \ensuremath, as it will work in any case.
929 cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
930 parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE, InsetMath::MATH_MODE);
935 else if (t.cat() == catLetter)
936 cell->push_back(MathAtom(new InsetMathChar(t.character())));
938 else if (t.cat() == catSpace && mode != InsetMath::MATH_MODE) {
939 if (cell->empty() || cell->back()->getChar() != ' ')
940 cell->push_back(MathAtom(new InsetMathChar(t.character())));
943 else if (t.cat() == catNewline && mode != InsetMath::MATH_MODE) {
944 if (cell->empty() || cell->back()->getChar() != ' ')
945 cell->push_back(MathAtom(new InsetMathChar(' ')));
948 else if (t.cat() == catParameter) {
949 Token const & n = getToken();
950 cell->push_back(MathAtom(new MathMacroArgument(n.character()-'0')));
953 else if (t.cat() == catActive)
954 cell->push_back(MathAtom(new InsetMathSpace(string(1, t.character()), "")));
956 else if (t.cat() == catBegin) {
958 parse(ar, FLAG_BRACE_LAST, mode);
959 // do not create a BraceInset if they were written by LyX
960 // this helps to keep the annoyance of "a choose b" to a minimum
961 if (ar.size() == 1 && ar[0]->extraBraces())
964 cell->push_back(MathAtom(new InsetMathBrace(ar)));
967 else if (t.cat() == catEnd) {
968 if (flags & FLAG_BRACE_LAST)
970 error("found '}' unexpectedly");
971 //LASSERT(false, /**/);
972 //add(cell, '}', LM_TC_TEX);
975 else if (t.cat() == catAlign) {
976 //lyxerr << " column now " << (cellcol + 1)
977 // << " max: " << grid.ncols() << endl;
978 if (flags & FLAG_ALIGN)
980 if (addCol(grid, cellcol))
981 cell = &grid.cell(grid.index(cellrow, cellcol));
984 else if (t.cat() == catSuper || t.cat() == catSub) {
985 bool up = (t.cat() == catSuper);
986 // we need no new script inset if the last thing was a scriptinset,
987 // which has that script already not the same script already
989 cell->push_back(MathAtom(new InsetMathScript(buf, up)));
990 else if (cell->back()->asScriptInset() &&
991 !cell->back()->asScriptInset()->has(up))
992 cell->back().nucleus()->asScriptInset()->ensure(up);
993 else if (cell->back()->asScriptInset())
994 cell->push_back(MathAtom(new InsetMathScript(buf, up)));
996 cell->back() = MathAtom(new InsetMathScript(buf, cell->back(), up));
997 InsetMathScript * p = cell->back().nucleus()->asScriptInset();
998 // special handling of {}-bases
999 // Here we could remove the brace inset for things
1000 // like {a'}^2 and add the braces back in
1001 // InsetMathScript::write().
1002 // We do not do it, since it is not possible to detect
1003 // reliably whether the braces are needed because the
1004 // nucleus contains more than one symbol, or whether
1005 // they are needed for unknown commands like \xx{a}_0
1006 // or \yy{a}{b}_0. This was done in revision 14819
1007 // in an unreliable way. See this thread
1008 // http://www.mail-archive.com/lyx-devel%40lists.lyx.org/msg104917.html
1009 // for more details.
1010 // However, we remove empty braces because they look
1011 // ugly on screen and we are sure that they were added
1012 // by the write() method (and will be re-added on save).
1013 if (p->nuc().size() == 1 &&
1014 p->nuc().back()->asBraceInset() &&
1015 p->nuc().back()->asBraceInset()->cell(0).empty())
1018 parse(p->cell(p->idxOfScript(up)), FLAG_ITEM, mode);
1025 else if (t.character() == ']' && (flags & FLAG_BRACK_LAST)) {
1026 //lyxerr << "finished reading option" << endl;
1030 else if (t.cat() == catOther) {
1031 char_type c = t.character();
1032 if (isAsciiOrMathAlpha(c)
1033 || mode_ & Parse::VERBATIM
1034 || !(mode_ & Parse::USETEXT)
1035 || mode == InsetMath::TEXT_MODE) {
1036 cell->push_back(MathAtom(new InsetMathChar(c)));
1038 MathAtom at = createInsetMath("text", buf);
1039 at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
1040 while (nextToken().cat() == catOther
1041 && !isAsciiOrMathAlpha(nextToken().character())) {
1042 c = getToken().character();
1043 at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
1045 cell->push_back(at);
1049 else if (t.cat() == catComment) {
1052 Token const & t = getToken();
1053 if (t.cat() == catNewline)
1057 cell->push_back(MathAtom(new InsetMathComment(buf, s)));
1062 // control sequences
1065 else if (t.cs() == "lyxlock") {
1067 cell->back().nucleus()->lock(true);
1070 else if ((t.cs() == "global" && nextToken().cs() == "def") ||
1072 if (t.cs() == "global")
1076 docstring name = getToken().cs();
1081 while (good() && nextToken().cat() != catBegin) {
1082 pars += getToken().cs();
1089 parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1091 // is a version for display attached?
1094 if (nextToken().cat() == catBegin)
1095 parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
1097 cell->push_back(MathAtom(new MathMacroTemplate(buf,
1098 name, nargs, 0, MacroTypeDef,
1099 vector<MathData>(), def, display)));
1101 if (buf && (mode_ & Parse::TRACKMACRO))
1102 buf->usermacros.insert(name);
1105 else if (t.cs() == "newcommand" ||
1106 t.cs() == "renewcommand" ||
1107 t.cs() == "newlyxcommand") {
1109 if (getToken().cat() != catBegin) {
1110 error("'{' in \\newcommand expected (1) ");
1113 docstring name = getToken().cs();
1114 if (getToken().cat() != catEnd) {
1115 error("'}' in \\newcommand expected");
1120 docstring const arg = getArg('[', ']');
1123 nargs = convert<int>(arg);
1125 // optional argument given?
1128 vector<MathData> optionalValues;
1129 while (nextToken().character() == '[') {
1131 optionalValues.push_back(MathData());
1132 parse(optionalValues[optionals], FLAG_BRACK_LAST, mode);
1137 parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1139 // is a version for display attached?
1142 if (nextToken().cat() == catBegin)
1143 parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
1145 cell->push_back(MathAtom(new MathMacroTemplate(buf,
1146 name, nargs, optionals, MacroTypeNewcommand,
1147 optionalValues, def, display)));
1149 if (buf && (mode_ & Parse::TRACKMACRO))
1150 buf->usermacros.insert(name);
1153 else if (t.cs() == "newcommandx" ||
1154 t.cs() == "renewcommandx") {
1155 // \newcommandx{\foo}[2][usedefault, addprefix=\global,1=default]{#1,#2}
1158 if (nextToken().cat() == catBegin) {
1160 name = getToken().cs();
1161 if (getToken().cat() != catEnd) {
1162 error("'}' in \\newcommandx expected");
1166 name = getToken().cs();
1169 docstring const arg = getArg('[', ']');
1171 error("[num] in \\newcommandx expected");
1174 int nargs = convert<int>(arg);
1178 vector<MathData> optionalValues;
1179 if (nextToken().character() == '[') {
1183 // handle 'opt=value' options, separated by ','.
1185 while (nextToken().character() != ']' && good()) {
1186 if (nextToken().character() >= '1'
1187 && nextToken().character() <= '9') {
1188 // optional value -> get parameter number
1189 int n = getChar() - '0';
1191 error("Arity of \\newcommandx too low "
1192 "for given optional parameter.");
1197 if (getToken().character() != '=') {
1198 error("'=' and optional parameter value "
1199 "expected for \\newcommandx");
1204 int optNum = max(size_t(n), optionalValues.size());
1205 optionalValues.resize(optNum);
1206 optionalValues[n - 1].clear();
1207 while (nextToken().character() != ']'
1208 && nextToken().character() != ',') {
1210 parse(data, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1211 optionalValues[n - 1].append(data);
1213 optionals = max(n, optionals);
1214 } else if (nextToken().cat() == catLetter) {
1215 // we in fact ignore every non-optional
1220 while (nextToken().cat() == catLetter)
1226 if (nextToken().character() == '=') {
1228 while (nextToken().character() != ']'
1229 && nextToken().character() != ',')
1230 parse(value, FLAG_ITEM,
1231 InsetMath::UNDECIDED_MODE);
1234 error("option for \\newcommandx expected");
1240 if (nextToken().character() == ',') {
1243 } else if (nextToken().character() != ']') {
1244 error("Expecting ',' or ']' in options "
1245 "of \\newcommandx");
1258 parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1260 // is a version for display attached?
1263 if (nextToken().cat() == catBegin)
1264 parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
1266 cell->push_back(MathAtom(new MathMacroTemplate(buf,
1267 name, nargs, optionals, MacroTypeNewcommandx,
1268 optionalValues, def, display)));
1270 if (buf && (mode_ & Parse::TRACKMACRO))
1271 buf->usermacros.insert(name);
1274 else if (t.cs() == "(") {
1275 if (mode == InsetMath::UNDECIDED_MODE) {
1276 cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
1277 parse2(cell->back(), FLAG_SIMPLE2, InsetMath::MATH_MODE, false);
1279 // Don't create nested math hulls (bug #5392)
1280 cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
1281 parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE2, InsetMath::MATH_MODE);
1285 else if (t.cs() == "[") {
1286 if (mode != InsetMath::UNDECIDED_MODE) {
1287 error("bad math environment [");
1290 cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
1291 parse2(cell->back(), FLAG_EQUATION, InsetMath::MATH_MODE, false);
1294 else if (t.cs() == "protect")
1295 // ignore \\protect, will hopefully be re-added during output
1298 else if (t.cs() == "end") {
1299 if (flags & FLAG_END) {
1300 // eat environment name
1301 docstring const name = getArg('{', '}');
1302 if (environments_.empty())
1303 error("'found \\end{" + name +
1304 "}' without matching '\\begin{" +
1306 else if (name != environments_.back())
1307 error("'\\end{" + name +
1308 "}' does not match '\\begin{" +
1309 environments_.back() + "}'");
1311 environments_.pop_back();
1312 // Delete empty last row in matrix
1314 // If you abuse InsetMathGrid for
1315 // non-matrix like structures you
1316 // probably need to refine this test.
1317 // Right now we only have to test for
1318 // single line hull insets.
1319 if (grid.nrows() > 1 && innerHull(name))
1320 delEmptyLastRow(grid);
1324 error("found 'end' unexpectedly");
1327 else if (t.cs() == ")") {
1328 if (flags & FLAG_SIMPLE2)
1330 error("found '\\)' unexpectedly");
1333 else if (t.cs() == "]") {
1334 if (flags & FLAG_EQUATION)
1336 error("found '\\]' unexpectedly");
1339 else if (t.cs() == "\\") {
1340 if (flags & FLAG_ALIGN)
1342 bool starred = false;
1344 if (nextToken().asInput() == "*") {
1347 } else if (nextToken().asInput() == "[")
1348 arg = getArg('[', ']');
1350 error("missing token after \\\\");
1351 // skip "{}" added in front of "[" (the
1352 // counterpart is in InsetMathGrid::eolString())
1353 // skip spaces because formula could come from tex2lyx
1354 bool skipBraces = false;
1356 if (nextToken().cat() == catBegin) {
1358 if (nextToken().cat() == catEnd) {
1362 if (nextToken().asInput() == "[")
1371 bool const added = addRow(grid, cellrow, arg, !starred);
1374 if (grid.asHullInset())
1375 grid.asHullInset()->numbered(
1377 cell = &grid.cell(grid.index(cellrow,
1382 else if (t.cs() == "multicolumn") {
1383 // extract column count and insert dummy cells
1385 parse(count, FLAG_ITEM, mode);
1387 if (!extractNumber(count, cols)) {
1389 error("can't extract number of multicolumn cells");
1391 // resize the table if necessary
1392 size_t first = grid.index(cellrow, cellcol);
1393 for (int i = 1; i < cols; ++i) {
1394 if (addCol(grid, cellcol)) {
1395 size_t const idx = grid.index(cellrow, cellcol);
1396 grid.cellinfo(idx).multi_ =
1397 InsetMathGrid::CELL_PART_OF_MULTICOLUMN;
1401 // the first cell is the real thing, not a dummy
1402 cell = &grid.cell(first);
1403 grid.cellinfo(first).multi_ = InsetMathGrid::CELL_BEGIN_OF_MULTICOLUMN;
1405 // read special alignment
1407 parse(align, FLAG_ITEM, mode);
1408 grid.cellinfo(first).align_ = asString(align);
1410 // parse the remaining contents into the "real" cell
1411 parse(*cell, FLAG_ITEM, mode);
1414 else if (t.cs() == "limits" || t.cs() == "nolimits") {
1415 CatCode const cat = nextToken().cat();
1416 if (cat == catSuper || cat == catSub)
1417 limits = t.cs() == "limits" ? 1 : -1;
1419 MathAtom at = createInsetMath(t.cs(), buf);
1420 cell->push_back(at);
1424 // \notag is the same as \nonumber if amsmath is used
1425 else if ((t.cs() == "nonumber" || t.cs() == "notag") &&
1427 grid.asHullInset()->numbered(cellrow, false);
1429 else if (t.cs() == "number" && grid.asHullInset())
1430 grid.asHullInset()->numbered(cellrow, true);
1432 else if (t.cs() == "hline") {
1433 grid.rowinfo(cellrow).lines_ ++;
1436 else if (t.cs() == "sqrt") {
1438 parse(ar, FLAG_OPTION, mode);
1440 cell->push_back(MathAtom(new InsetMathRoot(buf)));
1441 cell->back().nucleus()->cell(0) = ar;
1442 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1444 cell->push_back(MathAtom(new InsetMathSqrt(buf)));
1445 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1449 else if (t.cs() == "cancelto") {
1451 parse(ar, FLAG_ITEM, mode);
1452 cell->push_back(MathAtom(new InsetMathCancelto(buf)));
1453 cell->back().nucleus()->cell(1) = ar;
1454 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1457 else if (t.cs() == "unit") {
1458 // Allowed formats \unit[val]{unit}
1460 parse(ar, FLAG_OPTION, mode);
1462 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT)));
1463 cell->back().nucleus()->cell(0) = ar;
1464 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1466 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT, 1)));
1467 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1471 else if (t.cs() == "unitfrac") {
1472 // Here allowed formats are \unitfrac[val]{num}{denom}
1474 parse(ar, FLAG_OPTION, mode);
1476 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC, 3)));
1477 cell->back().nucleus()->cell(2) = ar;
1479 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC)));
1481 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1482 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1485 else if (t.cs() == "cfrac") {
1486 // allowed formats are \cfrac[pos]{num}{denom}
1487 docstring const arg = getArg('[', ']');
1488 //lyxerr << "got so far: '" << arg << "'" << endl;
1490 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACLEFT)));
1491 else if (arg == "r")
1492 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACRIGHT)));
1493 else if (arg.empty() || arg == "c")
1494 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRAC)));
1496 error("found invalid optional argument");
1499 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1500 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1503 else if (t.cs() == "sideset") {
1504 // Here allowed formats are \sideset{_{bl}^{tl}}{_{br}^{tr}}{operator}
1506 InsetMathScript * script[2] = {0, 0};
1507 for (int i = 0; i < 2; ++i) {
1508 parse(ar[i], FLAG_ITEM, mode);
1509 if (ar[i].size() == 1)
1510 script[i] = ar[i][0].nucleus()->asScriptInset();
1512 bool const hasscript[2] = {script[0] ? true : false, script[1] ? true : false};
1513 cell->push_back(MathAtom(new InsetMathSideset(buf, hasscript[0], hasscript[1])));
1515 if (script[0]->hasDown())
1516 cell->back().nucleus()->cell(1) = script[0]->down();
1517 if (script[0]->hasUp())
1518 cell->back().nucleus()->cell(2) = script[0]->up();
1520 cell->back().nucleus()->cell(1) = ar[0];
1522 if (script[1]->hasDown())
1523 cell->back().nucleus()->cell(2 + hasscript[0]) = script[1]->down();
1524 if (script[1]->hasUp())
1525 cell->back().nucleus()->cell(3 + hasscript[0]) = script[1]->up();
1527 cell->back().nucleus()->cell(2 + hasscript[0]) = ar[1];
1528 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1531 else if (t.cs() == "stackrel") {
1532 // Here allowed formats are \stackrel[subscript]{superscript}{operator}
1534 parse(ar, FLAG_OPTION, mode);
1535 cell->push_back(MathAtom(new InsetMathStackrel(buf, !ar.empty())));
1537 cell->back().nucleus()->cell(2) = ar;
1538 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1539 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1542 else if (t.cs() == "xrightarrow" || t.cs() == "xleftarrow") {
1543 cell->push_back(createInsetMath(t.cs(), buf));
1544 parse(cell->back().nucleus()->cell(1), FLAG_OPTION, mode);
1545 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1548 else if (t.cs() == "xhookrightarrow" || t.cs() == "xhookleftarrow" ||
1549 t.cs() == "xRightarrow" || t.cs() == "xLeftarrow" ||
1550 t.cs() == "xleftrightarrow" || t.cs() == "xLeftrightarrow" ||
1551 t.cs() == "xrightharpoondown" || t.cs() == "xrightharpoonup" ||
1552 t.cs() == "xleftharpoondown" || t.cs() == "xleftharpoonup" ||
1553 t.cs() == "xleftrightharpoons" || t.cs() == "xrightleftharpoons" ||
1554 t.cs() == "xmapsto") {
1555 cell->push_back(createInsetMath(t.cs(), buf));
1556 parse(cell->back().nucleus()->cell(1), FLAG_OPTION, mode);
1557 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1560 else if (t.cs() == "ref" || t.cs() == "eqref" || t.cs() == "prettyref"
1561 || t.cs() == "pageref" || t.cs() == "vpageref" || t.cs() == "vref") {
1562 cell->push_back(MathAtom(new InsetMathRef(buf, t.cs())));
1563 docstring const opt = parse_verbatim_option();
1564 docstring const ref = parse_verbatim_item();
1566 cell->back().nucleus()->cell(1).push_back(
1567 MathAtom(new InsetMathString(opt)));
1569 cell->back().nucleus()->cell(0).push_back(
1570 MathAtom(new InsetMathString(ref)));
1573 else if (t.cs() == "left") {
1575 Token const & tl = getToken();
1576 // \| and \Vert are equivalent, and InsetMathDelim
1578 // FIXME: fix this in InsetMathDelim itself!
1579 docstring const l = tl.cs() == "|" ? from_ascii("Vert") : tl.asString();
1581 parse(ar, FLAG_RIGHT, mode);
1585 Token const & tr = getToken();
1586 docstring const r = tr.cs() == "|" ? from_ascii("Vert") : tr.asString();
1587 cell->push_back(MathAtom(new InsetMathDelim(buf, l, r, ar)));
1590 else if (t.cs() == "right") {
1591 if (flags & FLAG_RIGHT)
1593 //lyxerr << "got so far: '" << cell << "'" << endl;
1594 error("Unmatched right delimiter");
1598 else if (t.cs() == "begin") {
1599 docstring const name = getArg('{', '}');
1603 error("found invalid environment");
1607 environments_.push_back(name);
1609 if (name == "array" || name == "subarray") {
1610 docstring const valign = parse_verbatim_option() + 'c';
1611 docstring const halign = parse_verbatim_item();
1612 cell->push_back(MathAtom(new InsetMathArray(buf, name,
1613 InsetMathGrid::guessColumns(halign), 1, (char)valign[0], halign)));
1614 parse2(cell->back(), FLAG_END, mode, false);
1617 else if (name == "tabular") {
1618 docstring const valign = parse_verbatim_option() + 'c';
1619 docstring const halign = parse_verbatim_item();
1620 cell->push_back(MathAtom(new InsetMathTabular(buf, name,
1621 InsetMathGrid::guessColumns(halign), 1, (char)valign[0], halign)));
1622 parse2(cell->back(), FLAG_END, InsetMath::TEXT_MODE, false);
1625 else if (name == "split" || name == "cases") {
1626 cell->push_back(createInsetMath(name, buf));
1627 parse2(cell->back(), FLAG_END, mode, false);
1630 else if (name == "alignedat") {
1631 docstring const valign = parse_verbatim_option() + 'c';
1632 // ignore this for a while
1634 cell->push_back(MathAtom(new InsetMathSplit(buf, name, (char)valign[0])));
1635 parse2(cell->back(), FLAG_END, mode, false);
1638 else if (name == "math") {
1639 if (mode == InsetMath::UNDECIDED_MODE) {
1640 cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
1641 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, false);
1643 // Don't create nested math hulls (bug #5392)
1644 cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
1645 parse(cell->back().nucleus()->cell(0), FLAG_END, InsetMath::MATH_MODE);
1649 else if (name == "equation" || name == "equation*"
1650 || name == "displaymath") {
1651 if (mode != InsetMath::UNDECIDED_MODE) {
1652 error("bad math environment " + name);
1655 cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
1656 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, (name == "equation"));
1659 else if (name == "eqnarray" || name == "eqnarray*") {
1660 if (mode != InsetMath::UNDECIDED_MODE) {
1661 error("bad math environment " + name);
1664 cell->push_back(MathAtom(new InsetMathHull(buf, hullEqnArray)));
1665 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1668 else if (name == "align" || name == "align*") {
1669 if (mode == InsetMath::UNDECIDED_MODE) {
1670 cell->push_back(MathAtom(new InsetMathHull(buf, hullAlign)));
1671 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1673 cell->push_back(MathAtom(new InsetMathSplit(buf, name,
1674 'c', !stared(name))));
1675 parse2(cell->back(), FLAG_END, mode, !stared(name));
1679 else if (name == "flalign" || name == "flalign*") {
1680 if (mode != InsetMath::UNDECIDED_MODE) {
1681 error("bad math environment " + name);
1684 cell->push_back(MathAtom(new InsetMathHull(buf, hullFlAlign)));
1685 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1688 else if (name == "alignat" || name == "alignat*") {
1689 if (mode != InsetMath::UNDECIDED_MODE) {
1690 error("bad math environment " + name);
1693 // ignore this for a while
1695 cell->push_back(MathAtom(new InsetMathHull(buf, hullAlignAt)));
1696 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1699 else if (name == "xalignat" || name == "xalignat*") {
1700 if (mode != InsetMath::UNDECIDED_MODE) {
1701 error("bad math environment " + name);
1704 // ignore this for a while
1706 cell->push_back(MathAtom(new InsetMathHull(buf, hullXAlignAt)));
1707 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1710 else if (name == "xxalignat") {
1711 if (mode != InsetMath::UNDECIDED_MODE) {
1712 error("bad math environment " + name);
1715 // ignore this for a while
1717 cell->push_back(MathAtom(new InsetMathHull(buf, hullXXAlignAt)));
1718 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1721 else if (name == "multline" || name == "multline*") {
1722 if (mode != InsetMath::UNDECIDED_MODE) {
1723 error("bad math environment " + name);
1726 cell->push_back(MathAtom(new InsetMathHull(buf, hullMultline)));
1727 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1730 else if (name == "gather" || name == "gather*") {
1731 if (mode != InsetMath::UNDECIDED_MODE) {
1732 error("bad math environment " + name);
1735 cell->push_back(MathAtom(new InsetMathHull(buf, hullGather)));
1736 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1739 else if (latexkeys const * l = in_word_set(name)) {
1740 if (l->inset == "matrix") {
1741 cell->push_back(createInsetMath(name, buf));
1742 parse2(cell->back(), FLAG_END, mode, false);
1743 } else if (l->inset == "split") {
1744 docstring const valign = parse_verbatim_option() + 'c';
1745 cell->push_back(MathAtom(
1746 new InsetMathSplit(buf, name, (char)valign[0])));
1747 parse2(cell->back(), FLAG_END, mode, false);
1750 if (!(mode_ & Parse::QUIET)) {
1752 lyxerr << "found math environment `"
1754 << "' in symbols file with unsupported inset `"
1758 // create generic environment inset
1759 cell->push_back(MathAtom(new InsetMathEnv(buf, name)));
1760 parse(cell->back().nucleus()->cell(0), FLAG_END, mode);
1766 if (!(mode_ & Parse::QUIET)) {
1768 lyxerr << "found unknown math environment '"
1769 << to_utf8(name) << "'" << endl;
1771 // create generic environment inset
1772 cell->push_back(MathAtom(new InsetMathEnv(buf, name)));
1773 parse(cell->back().nucleus()->cell(0), FLAG_END, mode);
1777 else if (t.cs() == "kern") {
1782 Token const & t = getToken();
1786 while (num_tokens--)
1791 if (isValidLength(to_utf8(s)))
1795 cell->push_back(MathAtom(new InsetMathKern));
1797 cell->push_back(MathAtom(new InsetMathKern(s)));
1800 else if (t.cs() == "label") {
1801 // FIXME: This is swallowed in inline formulas
1802 docstring label = parse_verbatim_item();
1805 if (grid.asHullInset()) {
1806 grid.asHullInset()->label(cellrow, label);
1808 cell->push_back(createInsetMath(t.cs(), buf));
1809 cell->push_back(MathAtom(new InsetMathBrace(ar)));
1813 else if (t.cs() == "choose" || t.cs() == "over"
1814 || t.cs() == "atop" || t.cs() == "brace"
1815 || t.cs() == "brack") {
1816 MathAtom at = createInsetMath(t.cs(), buf);
1817 at.nucleus()->cell(0) = *cell;
1819 parse(at.nucleus()->cell(1), flags, mode);
1820 cell->push_back(at);
1824 else if (t.cs() == "color") {
1825 docstring const color = parse_verbatim_item();
1826 cell->push_back(MathAtom(new InsetMathColor(buf, true, color)));
1827 parse(cell->back().nucleus()->cell(0), flags, mode);
1831 else if (t.cs() == "textcolor") {
1832 docstring const color = parse_verbatim_item();
1833 cell->push_back(MathAtom(new InsetMathColor(buf, false, color)));
1834 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, InsetMath::TEXT_MODE);
1837 else if (t.cs() == "normalcolor") {
1838 cell->push_back(createInsetMath(t.cs(), buf));
1839 parse(cell->back().nucleus()->cell(0), flags, mode);
1843 else if (t.cs() == "substack") {
1844 cell->push_back(createInsetMath(t.cs(), buf));
1845 parse2(cell->back(), FLAG_ITEM, mode, false);
1846 // Delete empty last row if present
1847 InsetMathGrid & subgrid =
1848 *(cell->back().nucleus()->asGridInset());
1849 if (subgrid.nrows() > 1)
1850 delEmptyLastRow(subgrid);
1853 else if (t.cs() == "xymatrix") {
1854 odocstringstream os;
1855 while (good() && nextToken().cat() != catBegin)
1856 os << getToken().asInput();
1857 cell->push_back(createInsetMath(t.cs() + os.str(), buf));
1858 parse2(cell->back(), FLAG_ITEM, mode, false);
1859 // Delete empty last row if present
1860 InsetMathGrid & subgrid =
1861 *(cell->back().nucleus()->asGridInset());
1862 if (subgrid.nrows() > 1)
1863 delEmptyLastRow(subgrid);
1866 else if (t.cs() == "Diagram") {
1867 odocstringstream os;
1868 while (good() && nextToken().cat() != catBegin)
1869 os << getToken().asInput();
1870 cell->push_back(createInsetMath(t.cs() + os.str(), buf));
1871 parse2(cell->back(), FLAG_ITEM, mode, false);
1874 else if (t.cs() == "framebox" || t.cs() == "makebox") {
1875 cell->push_back(createInsetMath(t.cs(), buf));
1876 parse(cell->back().nucleus()->cell(0), FLAG_OPTION, InsetMath::TEXT_MODE);
1877 parse(cell->back().nucleus()->cell(1), FLAG_OPTION, InsetMath::TEXT_MODE);
1878 parse(cell->back().nucleus()->cell(2), FLAG_ITEM, InsetMath::TEXT_MODE);
1881 else if (t.cs() == "tag") {
1882 if (nextToken().character() == '*') {
1884 cell->push_back(createInsetMath(t.cs() + '*', buf));
1886 cell->push_back(createInsetMath(t.cs(), buf));
1887 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, InsetMath::TEXT_MODE);
1890 else if (t.cs() == "hspace") {
1891 bool const prot = nextToken().character() == '*';
1894 docstring const name = t.cs();
1895 docstring const arg = parse_verbatim_item();
1897 if (prot && arg == "\\fill")
1898 cell->push_back(MathAtom(new InsetMathSpace("hspace*{\\fill}", "")));
1899 else if (isValidLength(to_utf8(arg), &length))
1900 cell->push_back(MathAtom(new InsetMathSpace(length, prot)));
1902 // Since the Length class cannot use length variables
1903 // we must not create an InsetMathSpace.
1904 cell->push_back(MathAtom(new MathMacro(buf, name)));
1906 mathed_parse_cell(ar, '{' + arg + '}', mode_);
1911 else if (t.cs() == "smash") {
1913 if (nextToken().asInput() == "[") {
1914 // Since the phantom inset cannot handle optional arguments
1915 // other than b and t, we must not create an InsetMathPhantom
1916 // if opt is different from b and t (bug 8967).
1917 docstring const opt = parse_verbatim_option();
1918 if (opt == "t" || opt == "b") {
1919 cell->push_back(createInsetMath(t.cs() + opt, buf));
1920 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1922 docstring const arg = parse_verbatim_item();
1923 cell->push_back(MathAtom(new MathMacro(buf, t.cs())));
1925 mathed_parse_cell(ar, '[' + opt + ']', mode_);
1928 mathed_parse_cell(ar, '{' + arg + '}', mode_);
1933 cell->push_back(createInsetMath(t.cs(), buf));
1934 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1939 else if (t.cs() == "infer") {
1941 parse(ar, FLAG_OPTION, mode);
1942 cell->push_back(createInsetMath(t.cs(), buf));
1943 parse2(cell->back(), FLAG_ITEM, mode, false);
1947 else if (1 && t.cs() == "ar") {
1948 auto_ptr<InsetMathXYArrow> p(new InsetMathXYArrow);
1949 // try to read target
1950 parse(p->cell(0), FLAG_OTPTION, mode);
1951 // try to read label
1952 if (nextToken().cat() == catSuper || nextToken().cat() == catSub) {
1953 p->up_ = nextToken().cat() == catSuper;
1955 parse(p->cell(1), FLAG_ITEM, mode);
1956 //lyxerr << "read label: " << p->cell(1) << endl;
1959 cell->push_back(MathAtom(p.release()));
1960 //lyxerr << "read cell: " << cell << endl;
1964 else if (t.cs() == "lyxmathsym") {
1966 if (getToken().cat() != catBegin) {
1967 error("'{' expected in \\" + t.cs());
1972 CatCode cat = nextToken().cat();
1973 while (good() && (count || cat != catEnd)) {
1974 if (cat == catBegin)
1976 else if (cat == catEnd)
1978 cmd += getToken().asInput();
1979 cat = nextToken().cat();
1981 if (getToken().cat() != catEnd) {
1982 error("'}' expected in \\" + t.cs());
1988 cmd = Encodings::fromLaTeXCommand(cmd,
1989 Encodings::MATH_CMD | Encodings::TEXT_CMD,
1991 for (size_t i = 0; i < cmd.size(); ++i)
1992 cell->push_back(MathAtom(new InsetMathChar(cmd[i])));
1994 char_type c = rem[0];
1995 cell->push_back(MathAtom(new InsetMathChar(c)));
1996 cmd = rem.substr(1);
2000 } while (!cmd.empty());
2003 else if (!t.cs().empty()) {
2004 bool const no_mhchem =
2005 (t.cs() == "ce" || t.cs() == "cf")
2006 && buf && buf->params().use_package("mhchem") ==
2007 BufferParams::package_off;
2009 bool const is_user_macro = no_mhchem ||
2010 (buf && (mode_ & Parse::TRACKMACRO
2011 ? buf->usermacros.count(t.cs()) != 0
2012 : buf->getMacro(t.cs(), false) != 0));
2014 latexkeys const * l = in_word_set(t.cs());
2015 if (l && !is_user_macro) {
2016 if (l->inset == "big") {
2018 docstring const delim = getToken().asInput();
2019 if (InsetMathBig::isBigInsetDelim(delim))
2020 cell->push_back(MathAtom(
2021 new InsetMathBig(t.cs(), delim)));
2023 cell->push_back(createInsetMath(t.cs(), buf));
2028 else if (l->inset == "font") {
2029 cell->push_back(createInsetMath(t.cs(), buf));
2030 parse(cell->back().nucleus()->cell(0),
2031 FLAG_ITEM, asMode(mode, l->extra));
2034 else if (l->inset == "oldfont") {
2035 cell->push_back(createInsetMath(t.cs(), buf));
2036 parse(cell->back().nucleus()->cell(0),
2037 flags | FLAG_ALIGN, asMode(mode, l->extra));
2038 if (prevToken().cat() != catAlign &&
2039 prevToken().cs() != "\\")
2044 else if (l->inset == "style") {
2045 cell->push_back(createInsetMath(t.cs(), buf));
2046 parse(cell->back().nucleus()->cell(0),
2047 flags | FLAG_ALIGN, mode);
2048 if (prevToken().cat() != catAlign &&
2049 prevToken().cs() != "\\")
2055 MathAtom at = createInsetMath(t.cs(), buf);
2056 for (InsetMath::idx_type i = 0; i < at->nargs(); ++i)
2057 parse(at.nucleus()->cell(i),
2058 FLAG_ITEM, asMode(mode, l->extra));
2059 cell->push_back(at);
2064 bool is_unicode_symbol = false;
2065 if (mode == InsetMath::TEXT_MODE && !is_user_macro) {
2067 docstring cmd = prevToken().asInput();
2068 CatCode cat = nextToken().cat();
2069 if (cat == catBegin) {
2071 while (good() && (count || cat != catEnd)) {
2072 cat = nextToken().cat();
2073 cmd += getToken().asInput();
2075 if (cat == catBegin)
2077 else if (cat == catEnd)
2083 char_type c = Encodings::fromLaTeXCommand(cmd,
2084 Encodings::MATH_CMD | Encodings::TEXT_CMD,
2085 is_combining, termination);
2087 if (cat == catLetter)
2089 cmd += getToken().asInput();
2091 if (cat == catLetter)
2093 c = Encodings::fromLaTeXCommand(cmd,
2094 Encodings::MATH_CMD | Encodings::TEXT_CMD,
2095 is_combining, termination);
2099 if (nextToken().cat() == catBegin) {
2101 if (nextToken().cat() == catEnd) {
2107 while (nextToken().cat() == catSpace) {
2113 is_unicode_symbol = true;
2114 cell->push_back(MathAtom(new InsetMathChar(c)));
2116 while (num_tokens--)
2120 if (!is_unicode_symbol) {
2121 MathAtom at = is_user_macro ?
2122 MathAtom(new MathMacro(buf, t.cs()))
2123 : createInsetMath(t.cs(), buf);
2124 InsetMath::mode_type m = mode;
2125 //if (m == InsetMath::UNDECIDED_MODE)
2126 //lyxerr << "default creation: m1: " << m << endl;
2127 if (at->currentMode() != InsetMath::UNDECIDED_MODE)
2128 m = at->currentMode();
2129 //lyxerr << "default creation: m2: " << m << endl;
2130 InsetMath::idx_type start = 0;
2131 // this fails on \bigg[...\bigg]
2133 //parse(opt, FLAG_OPTION, InsetMath::VERBATIM_MODE);
2134 //if (!opt.empty()) {
2136 // at.nucleus()->cell(0) = opt;
2138 for (InsetMath::idx_type i = start; i < at->nargs(); ++i) {
2139 parse(at.nucleus()->cell(i), FLAG_ITEM, m);
2140 if (mode == InsetMath::MATH_MODE)
2143 cell->push_back(at);
2149 if (flags & FLAG_LEAVE) {
2150 flags &= ~FLAG_LEAVE;
2159 } // anonymous namespace
2162 // FIXME This will likely need some work.
2163 char const * latexkeys::MathMLtype() const
2165 if (extra == "mathord")
2171 bool mathed_parse_cell(MathData & ar, docstring const & str, Parse::flags f)
2173 return Parser(str, f, ar.buffer()).parse(ar, 0, f & Parse::TEXTMODE ?
2174 InsetMath::TEXT_MODE : InsetMath::MATH_MODE);
2178 bool mathed_parse_cell(MathData & ar, istream & is, Parse::flags f)
2180 return Parser(is, f, ar.buffer()).parse(ar, 0, f & Parse::TEXTMODE ?
2181 InsetMath::TEXT_MODE : InsetMath::MATH_MODE);
2185 bool mathed_parse_normal(Buffer * buf, MathAtom & t, docstring const & str,
2188 return Parser(str, f, buf).parse(t);
2192 bool mathed_parse_normal(Buffer * buf, MathAtom & t, Lexer & lex,
2195 return Parser(lex, f, buf).parse(t);
2199 bool mathed_parse_normal(InsetMathGrid & grid, docstring const & str,
2202 return Parser(str, f, &grid.buffer()).parse1(grid, 0, f & Parse::TEXTMODE ?
2203 InsetMath::TEXT_MODE : InsetMath::MATH_MODE, false);
2209 fill(theCatcode, theCatcode + 128, catOther);
2210 fill(theCatcode + 'a', theCatcode + 'z' + 1, catLetter);
2211 fill(theCatcode + 'A', theCatcode + 'Z' + 1, catLetter);
2213 theCatcode[int('\\')] = catEscape;
2214 theCatcode[int('{')] = catBegin;
2215 theCatcode[int('}')] = catEnd;
2216 theCatcode[int('$')] = catMath;
2217 theCatcode[int('&')] = catAlign;
2218 theCatcode[int('\n')] = catNewline;
2219 theCatcode[int('#')] = catParameter;
2220 theCatcode[int('^')] = catSuper;
2221 theCatcode[int('_')] = catSub;
2222 theCatcode[int(0x7f)] = catIgnore;
2223 theCatcode[int(' ')] = catSpace;
2224 theCatcode[int('\t')] = catSpace;
2225 theCatcode[int('\r')] = catNewline;
2226 theCatcode[int('~')] = catActive;
2227 theCatcode[int('%')] = catComment;