3 * Purpose: Parser for mathed
4 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
5 * Created: January 1996
6 * Description: Parse LaTeX2e math mode code.
8 * Dependencies: Xlib, XForms
10 * Copyright: 1996, Alejandro Aguilar Sierra
14 * You are free to use and modify this code under the terms of
15 * the GNU General Public Licence version 2 or later.
20 If someone desperately needs partial "structures" (such as a few cells of
21 an array inset or similar) (s)he could uses the following hack as starting
22 point to write some macros:
27 \def\makeamptab{\catcode`\&=4\relax}
28 \def\makeampletter{\catcode`\&=11\relax}
29 \def\b{\makeampletter\expandafter\makeamptab\bi}
49 #pragma implementation
52 #include "math_parser.h"
53 #include "math_inset.h"
54 #include "math_arrayinset.h"
55 #include "math_braceinset.h"
56 #include "math_boxinset.h"
57 #include "math_charinset.h"
58 #include "math_deliminset.h"
59 #include "math_factory.h"
60 #include "math_funcinset.h"
61 #include "math_kerninset.h"
62 #include "math_macro.h"
63 #include "math_macrotable.h"
64 #include "math_macrotemplate.h"
65 #include "math_hullinset.h"
66 #include "math_rootinset.h"
67 #include "math_sizeinset.h"
68 #include "math_sqrtinset.h"
69 #include "math_scriptinset.h"
70 #include "math_specialcharinset.h"
71 #include "math_sqrtinset.h"
72 #include "math_support.h"
73 #include "math_xyarrowinset.h"
77 #include "support/LAssert.h"
78 #include "support/lstrings.h"
97 bool stared(string const & s)
99 string::size_type const n = s.size();
100 return n && s[n - 1] == '*';
104 void add(MathArray & ar, char c, MathTextCodes code)
106 ar.push_back(MathAtom(new MathCharInset(c, code)));
110 // These are TeX's catcodes
112 catEscape, // 0 backslash
122 catSpace, // 10 space
123 catLetter, // 11 a-zA-Z
124 catOther, // 12 none of the above
127 catInvalid // 15 <delete>
130 CatCode theCatcode[256];
133 inline CatCode catcode(unsigned char c)
135 return theCatcode[c];
140 FLAG_BRACE_LAST = 1 << 1, // last closing brace ends the parsing process
141 FLAG_RIGHT = 1 << 2, // next \\right ends the parsing process
142 FLAG_END = 1 << 3, // next \\end ends the parsing process
143 FLAG_BRACK_END = 1 << 4, // next closing bracket ends the parsing process
144 FLAG_BOX = 1 << 5, // we are in a box
145 FLAG_ITEM = 1 << 6, // read a (possibly braced token)
146 FLAG_BLOCK = 1 << 7, // next block ends the parsing process
147 FLAG_BLOCK2 = 1 << 8, // next block2 ends the parsing process
148 FLAG_LEAVE = 1 << 9 // leave the loop at the end
154 fill(theCatcode, theCatcode + 256, catOther);
155 fill(theCatcode + 'a', theCatcode + 'z' + 1, catLetter);
156 fill(theCatcode + 'A', theCatcode + 'Z' + 1, catLetter);
158 theCatcode['\\'] = catEscape;
159 theCatcode['{'] = catBegin;
160 theCatcode['}'] = catEnd;
161 theCatcode['$'] = catMath;
162 theCatcode['&'] = catAlign;
163 theCatcode['\n'] = catNewline;
164 theCatcode['#'] = catParameter;
165 theCatcode['^'] = catSuper;
166 theCatcode['_'] = catSub;
167 theCatcode['
\7f'] = catIgnore;
168 theCatcode[' '] = catSpace;
169 theCatcode['\t'] = catSpace;
170 theCatcode['\r'] = catSpace;
171 theCatcode['~'] = catActive;
172 theCatcode['%'] = catComment;
178 // Helper class for parsing
184 Token() : cs_(), char_(0), cat_(catIgnore) {}
186 Token(char c, CatCode cat) : cs_(), char_(c), cat_(cat) {}
188 Token(string const & cs) : cs_(cs), char_(0), cat_(catIgnore) {}
191 string const & cs() const { return cs_; }
193 CatCode cat() const { return cat_; }
195 char character() const { return char_; }
197 string asString() const;
210 bool Token::isCR() const
212 return cs_ == "\\" || cs_ == "cr" || cs_ == "crcr";
215 string Token::asString() const
217 return cs_.size() ? cs_ : string(1, char_);
220 // Angus' compiler says these are not needed
221 //bool operator==(Token const & s, Token const & t)
223 // return s.character() == t.character()
224 // && s.cat() == t.cat() && s.cs() == t.cs();
227 //bool operator!=(Token const & s, Token const & t)
232 ostream & operator<<(ostream & os, Token const & t)
235 os << "\\" << t.cs();
237 os << "[" << t.character() << "," << t.cat() << "]";
246 Parser(LyXLex & lex);
248 Parser(istream & is);
251 bool parse_macro(string & name);
253 bool parse_normal(MathAtom &);
255 void parse_into(MathArray & array, unsigned flags, MathTextCodes = LM_TC_MIN);
257 int lineno() const { return lineno_; }
263 void parse_into1(MathArray & array, unsigned flags, MathTextCodes);
265 string getArg(char lf, char rf);
269 void error(string const & msg);
271 bool parse_lines(MathAtom & t, bool numbered, bool outmost);
272 /// parses {... & ... \\ ... & ... }
273 bool parse_lines2(MathAtom & t, bool braced);
274 /// dump contents to screen
279 void tokenize(istream & is);
281 void tokenize(string const & s);
283 void skipSpaceTokens(istream & is, char c);
285 void push_back(Token const & t);
289 Token const & prevToken() const;
291 Token const & nextToken() const;
293 Token const & getToken();
294 /// skips spaces if any
296 /// skips opening brace
298 /// skips closing brace
300 /// counts a sequence of hlines
303 void lex(string const & s);
310 vector<Token> tokens_;
322 Parser::Parser(LyXLex & lexer)
323 : lineno_(lexer.getLineNo()), pos_(0), curr_num_(false)
325 tokenize(lexer.getStream());
330 Parser::Parser(istream & is)
331 : lineno_(0), pos_(0), curr_num_(false)
337 void Parser::push_back(Token const & t)
339 tokens_.push_back(t);
343 void Parser::pop_back()
349 Token const & Parser::prevToken() const
351 static const Token dummy;
352 return pos_ > 0 ? tokens_[pos_ - 1] : dummy;
356 Token const & Parser::nextToken() const
358 static const Token dummy;
359 return good() ? tokens_[pos_] : dummy;
363 Token const & Parser::getToken()
365 static const Token dummy;
366 //lyxerr << "looking at token " << tokens_[pos_] << " pos: " << pos_ << '\n';
367 return good() ? tokens_[pos_++] : dummy;
371 void Parser::skipSpaces()
373 while (nextToken().cat() == catSpace)
378 void Parser::skipBegin()
380 if (nextToken().cat() == catBegin)
383 lyxerr << "'{' expected\n";
387 void Parser::skipEnd()
389 if (nextToken().cat() == catEnd)
392 lyxerr << "'}' expected\n";
396 int Parser::readHLines()
400 while (nextToken().cs() == "hline") {
409 void Parser::putback()
415 bool Parser::good() const
417 return pos_ < tokens_.size();
421 char Parser::getChar()
424 lyxerr << "The input stream is not well..." << endl;
425 return tokens_[pos_++].character();
429 string Parser::getArg(char lf, char rg)
439 while ((c = getChar()) != rg && good())
446 void Parser::tokenize(istream & is)
448 // eat everything up to the next \end_inset or end of stream
449 // and store it in s for further tokenization
454 if (s.size() >= 10 && s.substr(s.size() - 10) == "\\end_inset") {
455 s = s.substr(0, s.size() - 10);
465 void Parser::skipSpaceTokens(istream & is, char c)
467 // skip trailing spaces
468 while (catcode(c) == catSpace || catcode(c) == catNewline)
471 //lyxerr << "putting back: " << c << "\n";
476 void Parser::tokenize(string const & buffer)
478 static bool init_done = false;
485 istringstream is(buffer.c_str(), ios::in | ios::binary);
489 //lyxerr << "reading c: " << c << "\n";
491 switch (catcode(c)) {
495 if (catcode(c) == catNewline)
496 ; //push_back(Token("par"));
498 push_back(Token(' ', catSpace));
505 while (is.get(c) && catcode(c) != catNewline)
514 error("unexpected end of input");
517 if (catcode(c) == catLetter) {
519 while (is.get(c) && catcode(c) == catLetter)
521 skipSpaceTokens(is, c);
530 push_back(Token(c, catcode(c)));
532 skipSpaceTokens(is, c);
537 lyxerr << "ignoring a char: " << int(c) << "\n";
542 push_back(Token(c, catcode(c)));
552 void Parser::dump() const
554 lyxerr << "\nTokens: ";
555 for (unsigned i = 0; i < tokens_.size(); ++i)
556 lyxerr << tokens_[i];
561 void Parser::error(string const & msg)
563 lyxerr << "Line ~" << lineno_ << ": Math parse error: " << msg << endl;
570 bool Parser::parse_lines(MathAtom & t, bool numbered, bool outmost)
572 MathGridInset * p = t->asGridInset();
575 lyxerr << "error in Parser::parse_lines() 1\n";
579 // save global variables
580 bool const saved_num = curr_num_;
581 string const saved_label = curr_label_;
583 // read initial hlines
584 p->rowinfo(0).lines_ = readHLines();
586 for (int row = 0; true; ++row) {
587 // reset global variables
588 curr_num_ = numbered;
592 for (MathInset::col_type col = 0; true; ++col) {
593 //lyxerr << "reading cell " << row << " " << col << " "
594 // << p->ncols() << "\n";
595 //lyxerr << "ncols: " << p->ncols() << "\n";
597 if (col >= p->ncols()) {
598 //lyxerr << "adding col " << col << "\n";
599 p->addCol(p->ncols());
602 MathArray & ar = p->cell(col + row * p->ncols());
603 parse_into(ar, FLAG_BLOCK);
604 // remove 'unnecessary' braces:
605 if (ar.size() == 1 && ar.back()->asBraceInset())
606 ar = ar.back()->asBraceInset()->cell(0);
607 //lyxerr << "ar: " << ar << "\n";
609 // break if cell is not followed by an ampersand
610 if (nextToken().cat() != catAlign) {
611 //lyxerr << "less cells read than normal in row/col: "
612 // << row << " " << col << "\n";
616 // skip the ampersand
621 MathHullInset * m = t->asHullInset();
623 lyxerr << "error in Parser::parse_lines() 2\n";
626 m->numbered(row, curr_num_);
627 m->label(row, curr_label_);
628 if (curr_skip_.size()) {
629 m->vcrskip(LyXLength(curr_skip_), row);
635 if (nextToken().isCR()) {
639 // try to read a length
642 // read hlines for next row
643 p->rowinfo(row + 1).lines_ = readHLines();
646 // we are finished if the next token is an 'end'
647 if (nextToken().cs() == "end") {
648 // skip the end-token
652 // leave the 'read a line'-loop
656 // otherwise, we have to start a new row
660 // restore "global" variables
661 curr_num_ = saved_num;
662 curr_label_ = saved_label;
668 bool Parser::parse_lines2(MathAtom & t, bool braced)
670 MathGridInset * p = t->asGridInset();
672 lyxerr << "error in Parser::parse_lines() 1\n";
676 for (int row = 0; true; ++row) {
678 for (MathInset::col_type col = 0; true; ++col) {
679 //lyxerr << "reading cell " << row << " " << col << " " << p->ncols() << "\n";
681 if (col >= p->ncols()) {
682 //lyxerr << "adding col " << col << "\n";
683 p->addCol(p->ncols());
686 parse_into(p->cell(col + row * p->ncols()), FLAG_BLOCK2);
687 //lyxerr << "read cell: " << p->cell(col + row * p->ncols()) << "\n";
689 // break if cell is not followed by an ampersand
690 if (nextToken().cat() != catAlign) {
691 //lyxerr << "less cells read than normal in row/col: " << row << " " << col << "\n";
695 // skip the ampersand
700 if (nextToken().isCR()) {
705 // we are finished if the next token is the one we expected
706 // skip the end-token
707 // leave the 'read a line'-loop
709 if (nextToken().cat() == catEnd) {
714 if (nextToken().cs() == "end") {
721 // otherwise, we have to start a new row
730 bool Parser::parse_macro(string & name)
735 if (getToken().cs() != "newcommand") {
736 lyxerr << "\\newcommand expected\n";
740 if (getToken().cat() != catBegin) {
741 lyxerr << "'{' in \\newcommand expected (1)\n";
745 name = getToken().cs();
747 if (getToken().cat() != catEnd) {
748 lyxerr << "'}' expected\n";
752 string arg = getArg('[', ']');
753 int narg = arg.empty() ? 0 : atoi(arg.c_str());
755 if (getToken().cat() != catBegin) {
756 lyxerr << "'{' in \\newcommand expected (2)\n";
761 parse_into(ar1, FLAG_BRACE_LAST);
763 // we cannot handle recursive stuff at all
765 test.push_back(createMathInset(name));
766 if (ar1.contains(test)) {
767 lyxerr << "we cannot handle recursive macros at all.\n";
772 parse_into(ar2, FLAG_ITEM);
774 MathMacroTable::create(name, narg, ar1, ar2);
779 bool Parser::parse_normal(MathAtom & matrix)
782 Token const & t = getToken();
785 matrix = MathAtom(new MathHullInset(LM_OT_SIMPLE));
786 parse_into(matrix->cell(0), 0);
790 if (t.cat() == catMath) {
791 Token const & n = getToken();
792 if (n.cat() == catMath) {
793 // TeX's $$...$$ syntax for displayed math
794 matrix = MathAtom(new MathHullInset(LM_OT_EQUATION));
795 MathHullInset * p = matrix->asHullInset();
796 parse_into(p->cell(0), 0);
797 p->numbered(0, curr_num_);
798 p->label(0, curr_label_);
800 // simple $...$ stuff
802 matrix = MathAtom(new MathHullInset(LM_OT_SIMPLE));
803 parse_into(matrix->cell(0), 0);
808 if (!t.cs().size()) {
809 lyxerr << "start of math expected, got '" << t << "'\n";
813 string const & cs = t.cs();
818 matrix = MathAtom(new MathHullInset(LM_OT_EQUATION));
819 MathHullInset * p = matrix->asHullInset();
820 parse_into(p->cell(0), 0);
821 p->numbered(0, curr_num_);
822 p->label(0, curr_label_);
827 lyxerr << "'begin' of un-simple math expected, got '" << cs << "'\n";
831 string const name = getArg('{', '}');
833 if (name == "math") {
834 matrix = MathAtom(new MathHullInset(LM_OT_SIMPLE));
835 parse_into(matrix->cell(0), 0);
839 if (name == "equation" || name == "equation*" || name == "displaymath") {
840 curr_num_ = (name == "equation");
842 matrix = MathAtom(new MathHullInset(LM_OT_EQUATION));
843 MathHullInset * p = matrix->asHullInset();
844 parse_into(p->cell(0), FLAG_END);
845 p->numbered(0, curr_num_);
846 p->label(0, curr_label_);
850 if (name == "eqnarray" || name == "eqnarray*") {
851 matrix = MathAtom(new MathHullInset(LM_OT_EQNARRAY));
852 return parse_lines(matrix, !stared(name), true);
855 if (name == "align" || name == "align*") {
856 matrix = MathAtom(new MathHullInset(LM_OT_ALIGN));
857 return parse_lines(matrix, !stared(name), true);
860 if (name == "alignat" || name == "alignat*") {
861 int nc = 2 * atoi(getArg('{', '}').c_str());
862 matrix = MathAtom(new MathHullInset(LM_OT_ALIGNAT, nc));
863 return parse_lines(matrix, !stared(name), true);
866 if (name == "xalignat" || name == "xalignat*") {
867 int nc = 2 * atoi(getArg('{', '}').c_str());
868 matrix = MathAtom(new MathHullInset(LM_OT_XALIGNAT, nc));
869 return parse_lines(matrix, !stared(name), true);
872 if (name == "xxalignat") {
873 int nc = 2 * atoi(getArg('{', '}').c_str());
874 matrix = MathAtom(new MathHullInset(LM_OT_XXALIGNAT, nc));
875 return parse_lines(matrix, !stared(name), true);
878 if (name == "multline" || name == "multline*") {
879 matrix = MathAtom(new MathHullInset(LM_OT_MULTLINE));
880 return parse_lines(matrix, !stared(name), true);
883 if (name == "gather" || name == "gather*") {
884 matrix = MathAtom(new MathHullInset(LM_OT_GATHER));
885 return parse_lines(matrix, !stared(name), true);
888 lyxerr[Debug::MATHED] << "1: unknown math environment: " << name << "\n";
889 lyxerr << "1: unknown math environment: " << name << "\n";
894 void Parser::parse_into(MathArray & array, unsigned flags, MathTextCodes code)
896 parse_into1(array, flags, code);
897 // remove 'unnecessary' braces:
898 if (array.size() == 1 && array.back()->asBraceInset()) {
899 lyxerr << "extra braces removed\n";
900 array = array.back()->asBraceInset()->cell(0);
905 void Parser::parse_into1(MathArray & array, unsigned flags, MathTextCodes code)
911 Token const & t = getToken();
914 lyxerr << "t: " << t << " flags: " << flags << "\n";
919 if (flags & FLAG_ITEM) {
920 if (t.cat() == catSpace)
924 if (t.cat() == catBegin) {
925 // skip the brace and collect everything to the next matching
927 flags |= FLAG_BRACE_LAST;
931 // handle only this single token, leave the loop if done
935 if (flags & FLAG_BLOCK) {
936 if (t.cat() == catAlign || t.isCR() || t.cs() == "end") {
942 if (flags & FLAG_BLOCK2) {
943 if (t.cat() == catAlign || t.isCR() || t.cs() == "end"
944 || t.cat() == catEnd) {
953 if (t.cat() == catMath) {
954 if (flags & FLAG_BOX) {
955 // we are inside an mbox, so opening new math is allowed
956 array.push_back(MathAtom(new MathHullInset(LM_OT_SIMPLE)));
957 parse_into(array.back()->cell(0), 0);
959 // otherwise this is the end of the formula
964 else if (t.cat() == catLetter)
965 add(array, t.character(), code);
967 else if (t.cat() == catSpace && code == LM_TC_TEXTRM)
968 add(array, t.character(), code);
970 else if (t.cat() == catParameter) {
971 Token const & n = getToken();
972 array.push_back(MathAtom(new MathMacroArgument(n.character()-'0', code)));
975 else if (t.cat() == catBegin) {
977 parse_into(ar, FLAG_BRACE_LAST);
978 #ifndef WITH_WARNINGS
979 #warning this might be wrong in general!
981 // ignore braces around simple items
982 if ((ar.size() == 1 && !ar.front()->needsBraces()
983 || (ar.size() == 2 && !ar.front()->needsBraces()
984 && ar.back()->asScriptInset()))
985 || (ar.size() == 0 && array.size() == 0))
989 array.push_back(MathAtom(new MathBraceInset));
990 array.back()->cell(0).swap(ar);
994 else if (t.cat() == catEnd) {
995 if (flags & FLAG_BRACE_LAST)
997 lyxerr << "found '}' unexpectedly, array: '" << array << "'\n";
998 //lyxerr << "found '}' unexpectedly\n";
1000 add(array, '}', LM_TC_TEX);
1003 else if (t.cat() == catAlign) {
1004 lyxerr << "found tab unexpectedly, array: '" << array << "'\n";
1005 //lyxerr << "found tab unexpectedly\n";
1006 add(array, '&', LM_TC_TEX);
1009 else if (t.cat() == catSuper || t.cat() == catSub) {
1010 bool up = (t.cat() == catSuper);
1011 MathScriptInset * p = 0;
1013 p = array.back()->asScriptInset();
1014 if (!p || p->has(up)) {
1015 array.push_back(MathAtom(new MathScriptInset(up)));
1016 p = array.back()->asScriptInset();
1019 parse_into(p->cell(up), FLAG_ITEM);
1024 else if (t.character() == ']' && (flags & FLAG_BRACK_END))
1027 else if (t.cat() == catOther)
1028 add(array, t.character(), code);
1031 // control sequences
1033 else if (t.cs() == "protect")
1034 // ignore \\protect, will be re-added during output
1037 else if (t.cs() == "end")
1040 else if (t.cs() == ")")
1043 else if (t.cs() == "]")
1046 else if (t.cs() == "\\") {
1047 curr_skip_ = getArg('[', ']');
1048 //lyxerr << "found newline unexpectedly, array: '" << array << "'\n";
1049 lyxerr << "found newline unexpectedly\n";
1050 array.push_back(createMathInset("\\"));
1053 else if (t.cs() == "limits")
1056 else if (t.cs() == "nolimits")
1059 else if (t.cs() == "nonumber")
1062 else if (t.cs() == "number")
1065 else if (t.cs() == "sqrt") {
1068 array.push_back(MathAtom(new MathRootInset));
1069 parse_into(array.back()->cell(0), FLAG_BRACK_END);
1070 parse_into(array.back()->cell(1), FLAG_ITEM);
1073 array.push_back(MathAtom(new MathSqrtInset));
1074 parse_into(array.back()->cell(0), FLAG_ITEM);
1078 else if (t.cs() == "left") {
1079 string l = getToken().asString();
1081 parse_into(ar, FLAG_RIGHT);
1082 string r = getToken().asString();
1083 MathAtom dl(new MathDelimInset(l, r));
1085 array.push_back(dl);
1088 else if (t.cs() == "right") {
1089 if (!(flags & FLAG_RIGHT)) {
1090 //lyxerr << "got so far: '" << array << "'\n";
1091 error("Unmatched right delimiter");
1096 else if (t.cs() == "begin") {
1097 string const name = getArg('{', '}');
1098 if (name == "array" || name == "subarray") {
1099 string const valign = getArg('[', ']') + 'c';
1100 string const halign = getArg('{', '}');
1101 array.push_back(MathAtom(new MathArrayInset(name, valign[0], halign)));
1102 parse_lines(array.back(), false, false);
1103 } else if (name == "split" || name == "cases" ||
1104 name == "gathered" || name == "aligned") {
1105 array.push_back(createMathInset(name));
1106 parse_lines(array.back(), false, false);
1107 } else if (name == "matrix" || name == "pmatrix" || name == "bmatrix" ||
1108 name == "vmatrix" || name == "Vmatrix") {
1109 array.push_back(createMathInset(name));
1110 parse_lines2(array.back(), false);
1112 lyxerr << "unknow math inset begin '" << name << "'\n";
1116 else if (t.cs() == "kern") {
1117 #ifdef WITH_WARNINGS
1122 Token const & t = getToken();
1128 if (isValidLength(s))
1131 array.push_back(MathAtom(new MathKernInset(s)));
1134 else if (t.cs() == "lyxkern") {
1135 MathAtom p = createMathInset(t.cs());
1136 parse_into(p->cell(0), flags, code);
1140 else if (t.cs() == "label") {
1141 curr_label_ = getArg('{', '}');
1144 else if (t.cs() == "choose" || t.cs() == "over" || t.cs() == "atop") {
1145 MathAtom p = createMathInset(t.cs());
1146 array.swap(p->cell(0));
1147 parse_into(p->cell(1), flags, code);
1152 else if (t.cs() == "substack") {
1153 array.push_back(createMathInset(t.cs()));
1155 parse_lines2(array.back(), true);
1158 else if (t.cs() == "xymatrix") {
1159 array.push_back(createMathInset(t.cs()));
1161 parse_lines2(array.back(), true);
1166 else if (1 && t.cs() == "ar") {
1167 MathXYArrowInset * p = new MathXYArrowInset;
1169 // try to read target
1172 parse_into(p->cell(0), FLAG_BRACK_END);
1173 //lyxerr << "read target: " << p->cell(0) << "\n";
1178 // try to read label
1179 if (nextToken().cat() == catSuper || nextToken().cat() == catSub) {
1180 p->up_ = nextToken().cat() == catSuper;
1182 parse_into(p->cell(1), FLAG_ITEM);
1183 //lyxerr << "read label: " << p->cell(1) << "\n";
1186 array.push_back(MathAtom(p));
1187 //lyxerr << "read array: " << array << "\n";
1192 else if (t.cs() == "mbox" || t.cs() == "text") {
1193 //array.push_back(createMathInset(t.cs()));
1194 array.push_back(MathAtom(new MathBoxInset(t.cs())));
1195 // slurp in the argument of mbox
1197 MathBoxInset * p = array.back()->asBoxInset();
1203 else if (t.cs().size()) {
1204 latexkeys const * l = in_word_set(t.cs());
1206 if (l->token == LM_TK_FONT) {
1207 //lyxerr << "starting font\n";
1208 //CatCode catSpaceSave = theCatcode[' '];
1209 //if (l->id == LM_TC_TEXTRM) {
1210 // // temporarily change catcode
1211 // theCatcode[' '] = catLetter;
1215 parse_into(ar, FLAG_ITEM, static_cast<MathTextCodes>(l->id));
1216 array.push_back(ar);
1218 // undo catcode changes
1219 ////theCatcode[' '] = catSpaceSave;
1220 //lyxerr << "ending font\n";
1223 else if (l->token == LM_TK_OLDFONT) {
1224 code = static_cast<MathTextCodes>(l->id);
1227 else if (l->token == LM_TK_BOX) {
1228 MathAtom p = createMathInset(t.cs());
1229 parse_into(p->cell(0), FLAG_ITEM | FLAG_BOX, LM_TC_BOX);
1233 else if (l->token == LM_TK_STY) {
1234 MathAtom p = createMathInset(t.cs());
1235 parse_into(p->cell(0), flags, code);
1241 MathAtom p = createMathInset(t.cs());
1242 for (MathInset::idx_type i = 0; i < p->nargs(); ++i)
1243 parse_into(p->cell(i), FLAG_ITEM);
1249 MathAtom p = createMathInset(t.cs());
1250 for (MathInset::idx_type i = 0; i < p->nargs(); ++i)
1251 parse_into(p->cell(i), FLAG_ITEM);
1257 if (flags & FLAG_LEAVE) {
1258 flags &= ~FLAG_LEAVE;
1264 lyxerr << " Math Panic, expect problems!\n";
1265 // Search for the end command.
1269 } while (good() && t.cs() != "end");
1275 } // anonymous namespace
1278 void mathed_parse_cell(MathArray & ar, string const & str)
1280 istringstream is(str.c_str());
1281 mathed_parse_cell(ar, is);
1285 void mathed_parse_cell(MathArray & ar, istream & is)
1287 Parser(is).parse_into(ar, 0);
1292 bool mathed_parse_macro(string & name, string const & str)
1294 istringstream is(str.c_str());
1296 return parser.parse_macro(name);
1299 bool mathed_parse_macro(string & name, istream & is)
1302 return parser.parse_macro(name);
1305 bool mathed_parse_macro(string & name, LyXLex & lex)
1308 return parser.parse_macro(name);
1313 bool mathed_parse_normal(MathAtom & t, string const & str)
1315 istringstream is(str.c_str());
1317 return parser.parse_normal(t);
1320 bool mathed_parse_normal(MathAtom & t, istream & is)
1323 return parser.parse_normal(t);
1326 bool mathed_parse_normal(MathAtom & t, LyXLex & lex)
1329 return parser.parse_normal(t);