src/mathed/MathFactory.cpp

   1 /**
   2  * \file MathFactory.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "MathFactory.h"
  14
  15 #include "InsetMathAMSArray.h"
  16 #include "InsetMathArray.h"
  17 #include "InsetMathBoldSymbol.h"
  18 #include "InsetMathBox.h"
  19 #include "InsetMathCancel.h"
  20 #include "InsetMathCancelto.h"
  21 #include "InsetMathCases.h"
  22 #include "InsetMathClass.h"
  23 #include "InsetMathColor.h"
  24 #include "InsetMathDecoration.h"
  25 #include "InsetMathDots.h"
  26 #include "InsetMathEnsureMath.h"
  27 #include "InsetMathFont.h"
  28 #include "InsetMathFontOld.h"
  29 #include "InsetMathFrac.h"
  30 #include "InsetMathKern.h"
  31 #include "InsetMathLefteqn.h"
  32 #include "InsetMathOverset.h"
  33 #include "InsetMathPhantom.h"
  34 #include "InsetMathRef.h"
  35 #include "InsetMathRoot.h"
  36 #include "InsetMathSideset.h"
  37 #include "InsetMathSize.h"
  38 #include "InsetMathSpace.h"
  39 #include "InsetMathSpecialChar.h"
  40 #include "InsetMathSplit.h"
  41 #include "InsetMathSqrt.h"
  42 #include "InsetMathStackrel.h"
  43 #include "InsetMathSubstack.h"
  44 #include "InsetMathSymbol.h"
  45 #include "InsetMathTabular.h"
  46 #include "InsetMathUnderset.h"
  47 #include "InsetMathUnknown.h"
  48 #include "InsetMathHull.h"
  49 #include "InsetMathXArrow.h"
  50 #include "InsetMathXYMatrix.h"
  51 #include "InsetMathDiagram.h"
  52 #include "MacroTable.h"
  53 #include "InsetMathMacro.h"
  54 #include "InsetMathMacroArgument.h"
  55 #include "MathParser.h"
  56 #include "MathStream.h"
  57 #include "MathSupport.h"
  58
  59 #include "insets/InsetCommand.h"
  60 #include "insets/InsetSpace.h"
  61
  62 #include "support/debug.h"
  63 #include "support/docstream.h"
  64 #include "support/FileName.h"
  65 #include "support/filetools.h" // LibFileSearch
  66 #include "support/lstrings.h"
  67 #include "support/textutils.h"
  68
  69 #include "frontends/FontLoader.h"
  70
  71 #include "Buffer.h"
  72 #include "BufferParams.h"
  73 #include "Encoding.h"
  74 #include "LyX.h" // use_gui
  75 #include "OutputParams.h"
  76
  77 #include <iomanip>
  78
  79 using namespace std;
  80 using namespace lyx::support;
  81
  82 namespace lyx {
  83
  84 bool has_math_fonts;
  85
  86
  87 namespace {
  88
  89 MathWordList theMathWordList;
  90
  91
  92 bool isMathFontAvailable(string & name)
  93 {
  94         if (!use_gui)
  95                 return false;
  96
  97         FontInfo f;
  98         augmentFont(f, name);
  99
 100         // Do we have the font proper?
 101         if (theFontLoader().available(f))
 102                 return true;
 103
 104         // can we fake it?
 105         if (name == "eufrak") {
 106                 name = "lyxfakefrak";
 107                 return true;
 108         }
 109
 110         LYXERR(Debug::MATHED,
 111                 "font " << name << " not available and I can't fake it");
 112         return false;
 113 }
 114
 115
 116 bool canBeDisplayed(char_type c)
 117 {
 118         if (!use_gui)
 119                 return true;
 120         return theFontLoader().canBeDisplayed(c);
 121 }
 122
 123
 124 bool isUnicodeSymbolAvailable(docstring const & name, char_type & c)
 125 {
 126         docstring cmd(from_ascii("\\") + name);
 127         bool is_combining;
 128         bool termination;
 129         c = Encodings::fromLaTeXCommand(cmd, Encodings::MATH_CMD,
 130                                         is_combining, termination);
 131         if (c == 0 && name == "varOmega") {
 132                 // fallback for bug 7954, unicodesymbols does not list
 133                 // \\varOmega because of requirements, but this might change
 134                 cmd = from_ascii("\\mathit{\\Omega}");
 135                 c = Encodings::fromLaTeXCommand(cmd, Encodings::MATH_CMD,
 136                                                 is_combining, termination);
 137         }
 138         return c != 0 && !is_combining;
 139 }
 140
 141
 142 void initSymbols()
 143 {
 144         FileName const filename = libFileSearch(string(), "symbols");
 145         LYXERR(Debug::MATHED, "read symbols from " << filename);
 146         if (filename.empty()) {
 147                 lyxerr << "Could not find symbols file" << endl;
 148                 return;
 149         }
 150
 151         ifstream fs(filename.toFilesystemEncoding().c_str());
 152         // limit the size of strings we read to avoid memory problems
 153         fs >> setw(65636);
 154         string line;
 155         bool skip = false;
 156         while (getline(fs, line)) {
 157                 int charid     = 0;
 158                 int fallbackid = 0;
 159                 if (line.empty() || line[0] == '#')
 160                         continue;
 161
 162                 // special case of iffont/else/endif
 163                 if (line.size() >= 7 && line.substr(0, 6) == "iffont") {
 164                         istringstream is(line);
 165                         // limit the size of strings we read to avoid memory problems
 166                         is >> setw(65636);
 167                         string tmp;
 168                         is >> tmp;
 169                         is >> tmp;
 170                         skip = !isMathFontAvailable(tmp);
 171                         continue;
 172                 } else if (line.size() >= 4 && line.substr(0, 4) == "else") {
 173                         skip = !skip;
 174                         continue;
 175                 } else if (line.size() >= 5 && line.substr(0, 5) == "endif") {
 176                         skip = false;
 177                         continue;
 178                 } else if (skip)
 179                         continue;
 180
 181                 // special case of pre-defined macros
 182                 if (line.size() > 8 && line.substr(0, 5) == "\\def\\") {
 183                         //lyxerr << "macro definition: '" << line << '\'' << endl;
 184                         // syntax: Either
 185                         // \def\macroname{definition}
 186                         // or
 187                         // \def\macroname{definition} requires
 188                         // or
 189                         // \def\macroname{definition} extra htmlname requires
 190                         istringstream is(line);
 191                         string macro;
 192                         string required;
 193                         string extra;
 194                         string htmlname;
 195                         bool hidden = false;
 196                         is >> setw(65536) >> macro >> required;
 197                         if ((is >> htmlname)) {
 198                                 extra = required;
 199                                 if (!(is >> required))
 200                                         required = "";
 201                         } else
 202                                 htmlname = "";
 203                         MacroTable::iterator it = MacroTable::globalMacros().insert(
 204                                         0, from_utf8(macro));
 205                         if (!extra.empty() || !htmlname.empty() || !required.empty()) {
 206                                 MathWordList::iterator wit = theMathWordList.find(it->first);
 207                                 if (wit != theMathWordList.end())
 208                                         LYXERR(Debug::MATHED, "readSymbols: inset "
 209                                                 << to_utf8(it->first) << " already exists.");
 210                                 else {
 211                                         latexkeys tmp;
 212                                         tmp.inset = "macro";
 213                                         tmp.name = it->first;
 214                                         tmp.extra = from_utf8(extra);
 215                                         tmp.htmlname = from_utf8(htmlname);
 216                                         if (required == "hiddensymbol") {
 217                                                 required = "";
 218                                                 tmp.hidden = hidden = true;
 219                                         } else
 220                                                 tmp.required = required;
 221                                         theMathWordList[it->first] = tmp;
 222                                         wit = theMathWordList.find(it->first);
 223                                         it->second.setSymbol(&(wit->second));
 224                                 }
 225                         }
 226                         // If you change the following output, please adjust
 227                         // development/tools/generate_symbols_images.py.
 228                         LYXERR(Debug::MATHED, "read symbol '" << to_utf8(it->first)
 229                             << "  inset: macro"
 230                             << "  draw: 0"
 231                             << "  extra: " << extra
 232                             << "  html: " << htmlname
 233                                 << "  requires: " << required
 234                                 << "  hidden: " << hidden << '\'');
 235                         continue;
 236                 }
 237
 238                 idocstringstream is(from_utf8(line));
 239                 latexkeys tmp;
 240                 docstring help;
 241                 is >> tmp.name >> help;
 242                 tmp.inset = to_ascii(help);
 243                 if (isFontName(tmp.inset))
 244                         is >> charid >> fallbackid >> tmp.extra >> tmp.htmlname >> tmp.xmlname;
 245                 else
 246                         is >> tmp.extra;
 247                 // requires is optional
 248                 if (is) {
 249                         if ((is >> help)) {
 250                                 // backward compatibility
 251                                 if (help == "esintoramsmath")
 252                                         tmp.required = "esint|amsmath";
 253                                 else
 254                                         tmp.required = to_ascii(help);
 255                         }
 256                 } else {
 257                         LYXERR(Debug::MATHED, "skipping line '" << line << "'\n"
 258                                 << to_utf8(tmp.name) << ' ' << tmp.inset << ' '
 259                                 << to_utf8(tmp.extra));
 260                         continue;
 261                 }
 262
 263                 if (isFontName(tmp.inset)) {
 264                         // tmp.inset _is_ the fontname here.
 265                         // create fallbacks if necessary
 266
 267                         // store requirements as long as we can
 268                         if (tmp.required.empty()) {
 269                                 if (tmp.inset == "msa" || tmp.inset == "msb")
 270                                         tmp.required = "amssymb";
 271                                 else if (tmp.inset == "wasy")
 272                                         tmp.required = "wasysym";
 273                                 else if (tmp.inset == "mathscr")
 274                                         tmp.required = "mathrsfs";
 275                                 else if (tmp.inset == "mathds")
 276                                         tmp.required = "dsfont";
 277                         }
 278
 279                         // symbol font is not available sometimes
 280                         string symbol_font = "lyxsymbol";
 281                         char_type unicodesymbol = 0;
 282
 283                         if (tmp.extra == "func" || tmp.extra == "funclim" || tmp.extra == "special") {
 284                                 LYXERR(Debug::MATHED, "symbol abuse for " << to_utf8(tmp.name));
 285                                 tmp.draw = tmp.name;
 286                         } else if (isMathFontAvailable(tmp.inset) && canBeDisplayed(charid)) {
 287                                 LYXERR(Debug::MATHED, "symbol available for " << to_utf8(tmp.name));
 288                                 tmp.draw.push_back(char_type(charid));
 289                         } else if (fallbackid && isMathFontAvailable(symbol_font) &&
 290                                    canBeDisplayed(fallbackid)) {
 291                                 if (tmp.inset == "cmex")
 292                                         tmp.inset = "lyxsymbol";
 293                                 else
 294                                         tmp.inset = "lyxboldsymbol";
 295                                 LYXERR(Debug::MATHED, "symbol fallback for " << to_utf8(tmp.name));
 296                                 tmp.draw.push_back(char_type(fallbackid));
 297                         } else if (isUnicodeSymbolAvailable(tmp.name, unicodesymbol)) {
 298                                 LYXERR(Debug::MATHED, "unicode fallback for " << to_utf8(tmp.name));
 299                                 tmp.inset = "mathnormal";
 300                                 tmp.draw.push_back(unicodesymbol);
 301                         } else {
 302                                 LYXERR(Debug::MATHED, "faking " << to_utf8(tmp.name));
 303                                 tmp.draw = tmp.name;
 304                                 tmp.inset = "lyxtex";
 305                         }
 306                 } else {
 307                         // it's a proper inset
 308                         LYXERR(Debug::MATHED, "inset " << tmp.inset
 309                                               << " used for " << to_utf8(tmp.name));
 310                 }
 311
 312                 if (tmp.required == "hiddensymbol")
 313                 {
 314                         tmp.required = "";
 315                         tmp.hidden = true;
 316                 }
 317
 318                 if (theMathWordList.find(tmp.name) != theMathWordList.end())
 319                         LYXERR(Debug::MATHED, "readSymbols: inset " << to_utf8(tmp.name)
 320                                 << " already exists.");
 321                 else
 322                         theMathWordList[tmp.name] = tmp;
 323
 324                 // If you change the following output, please adjust
 325                 // development/tools/generate_symbols_images.py.
 326                 LYXERR(Debug::MATHED, "read symbol '" << to_utf8(tmp.name)
 327                         << "  inset: " << tmp.inset
 328                         << "  draw: " << int(tmp.draw.empty() ? 0 : tmp.draw[0])
 329                         << "  extra: " << to_utf8(tmp.extra)
 330                         << "  html: " << to_utf8(tmp.htmlname)
 331                         << "  xml: " << to_utf8(tmp.xmlname)
 332                         << "  requires: " << tmp.required
 333                         << "  hidden: " << tmp.hidden << '\'');
 334         }
 335         string tmp = "cmm";
 336         string tmp2 = "cmsy";
 337         has_math_fonts = isMathFontAvailable(tmp) && isMathFontAvailable(tmp2);
 338 }
 339
 340
 341 bool isSpecialChar(docstring const & name)
 342 {
 343         if (name.size() != 1)
 344                 return  name == "textasciicircum" || name == "mathcircumflex" ||
 345                         name == "textasciitilde"  || name == "textbackslash";
 346
 347         char_type const c = name.at(0);
 348         return  c == '{' || c == '}' || c == '&' || c == '$' ||
 349                 c == '#' || c == '%' || c == '_';
 350 }
 351
 352
 353 } // namespace
 354
 355 MathWordList const & mathedWordList()
 356 {
 357         return theMathWordList;
 358 }
 359
 360
 361 void initMath()
 362 {
 363         static bool initialized = false;
 364         if (!initialized) {
 365                 initialized = true;
 366                 initParser();
 367                 initSymbols();
 368         }
 369 }
 370
 371
 372 bool ensureMath(WriteStream & os, bool needs_mathmode, bool macro,
 373                 bool textmode_macro)
 374 {
 375         bool brace = os.pendingBrace();
 376         os.pendingBrace(false);
 377         if (!os.latex())
 378                 return brace;
 379         if (os.textMode() && needs_mathmode) {
 380                 if (brace) {
 381                         // close \lyxmathsym
 382                         os << '}';
 383                         brace = false;
 384                 } else {
 385                         os << "\\ensuremath{";
 386                         brace = true;
 387                 }
 388                 os.textMode(false);
 389         } else if (macro && textmode_macro && !os.textMode()) {
 390                 if (brace) {
 391                         // close \ensuremath
 392                         os << '}';
 393                         brace = false;
 394                 } else {
 395                         os << "\\lyxmathsym{";
 396                         brace = true;
 397                 }
 398                 os.textMode(true);
 399         } else if (macro && brace && !needs_mathmode && !textmode_macro) {
 400                 // This is a user defined macro, not a InsetMathMacro, so we
 401                 // cannot be sure what mode is needed. We leave it in the
 402                 // same environment it was entered by closing either \lyxmathsym
 403                 // or \ensuremath, whichever was opened.
 404                 os << '}';
 405                 brace = false;
 406                 os.textMode(!os.textMode());
 407         }
 408         return brace;
 409 }
 410
 411
 412 int ensureMode(WriteStream & os, InsetMath::mode_type mode,
 413                 bool locked, bool ascii)
 414 {
 415         bool textmode = mode == InsetMath::TEXT_MODE;
 416         if (os.latex() && textmode && os.pendingBrace()) {
 417                 os.os() << '}';
 418                 os.pendingBrace(false);
 419                 os.pendingSpace(false);
 420                 os.textMode(true);
 421         }
 422         int oldmodes = os.textMode() ? 0x01 : 0;
 423         os.textMode(textmode);
 424         oldmodes |= os.lockedMode() ? 0x02 : 0;
 425         os.lockedMode(locked);
 426         oldmodes |= os.asciiOnly() ? 0x04 : 0;
 427         os.asciiOnly(ascii);
 428         return oldmodes;
 429 }
 430
 431
 432 latexkeys const * in_word_set(docstring const & str)
 433 {
 434         MathWordList::iterator it = theMathWordList.find(str);
 435         if (it == theMathWordList.end())
 436                 return 0;
 437         if (it->second.inset == "macro")
 438                 return 0;
 439         return &(it->second);
 440 }
 441
 442
 443 MathAtom createInsetMath(char const * const s, Buffer * buf)
 444 {
 445         return createInsetMath(from_utf8(s), buf);
 446 }
 447
 448
 449 MathAtom createInsetMath(docstring const & s, Buffer * buf)
 450 {
 451         //lyxerr << "creating inset with name: '" << to_utf8(s) << '\'' << endl;
 452         if ((s == "ce" || s == "cf") && buf
 453             && buf->params().use_package("mhchem") == BufferParams::package_off)
 454                 return MathAtom(new InsetMathMacro(buf, s));
 455
 456         latexkeys const * l = in_word_set(s);
 457         if (l) {
 458                 string const & inset = l->inset;
 459                 //lyxerr << " found inset: '" << inset << '\'' << endl;
 460                 if (inset == "ref")
 461                         return MathAtom(new InsetMathRef(buf, l->name));
 462                 if (inset == "overset")
 463                         return MathAtom(new InsetMathOverset(buf));
 464                 if (inset == "underset")
 465                         return MathAtom(new InsetMathUnderset(buf));
 466                 if (inset == "decoration")
 467                         return MathAtom(new InsetMathDecoration(buf, l));
 468                 if (inset == "space")
 469                         return MathAtom(new InsetMathSpace(to_ascii(l->name), ""));
 470                 if (inset == "class")
 471                         return MathAtom(new InsetMathClass(buf, string_to_class(s)));
 472                 if (inset == "dots")
 473                         return MathAtom(new InsetMathDots(l));
 474                 if (inset == "mbox")
 475                         return MathAtom(new InsetMathBox(buf, l->name));
 476 //              if (inset == "fbox")
 477 //                      return MathAtom(new InsetMathFBox(l));
 478                 if (inset == "style")
 479                         return MathAtom(new InsetMathSize(buf, l));
 480                 if (inset == "font")
 481                         return MathAtom(new InsetMathFont(buf, l));
 482                 if (inset == "oldfont")
 483                         return MathAtom(new InsetMathFontOld(buf, l));
 484                 if (inset == "matrix")
 485                         return MathAtom(new InsetMathAMSArray(buf, s));
 486                 if (inset == "split")
 487                         return MathAtom(new InsetMathSplit(buf, s));
 488                 if (inset == "big")
 489                         // we can't create a InsetMathBig, since the argument
 490                         // is missing.
 491                         return MathAtom(new InsetMathUnknown(s));
 492                 return MathAtom(new InsetMathSymbol(l));
 493         }
 494
 495         if (s.size() == 2 && s[0] == '#' && s[1] >= '1' && s[1] <= '9')
 496                 return MathAtom(new InsetMathMacroArgument(s[1] - '0'));
 497         if (s.size() == 3 && s[0] == '\\' && s[1] == '#'
 498                         && s[2] >= '1' && s[2] <= '9')
 499                 return MathAtom(new InsetMathMacroArgument(s[2] - '0'));
 500         if (s == "boxed")
 501                 return MathAtom(new InsetMathBoxed(buf));
 502         if (s == "fbox")
 503                 return MathAtom(new InsetMathFBox(buf));
 504         if (s == "framebox")
 505                 return MathAtom(new InsetMathMakebox(buf, true));
 506         if (s == "makebox")
 507                 return MathAtom(new InsetMathMakebox(buf, false));
 508         if (s.substr(0, 8) == "xymatrix") {
 509                 char spacing_code = '\0';
 510                 Length spacing;
 511                 bool equal_spacing = false;
 512                 size_t const len = s.length();
 513                 size_t i = 8;
 514                 if (i < len && s[i] == '@') {
 515                         ++i;
 516                         if (i < len && s[i] == '!') {
 517                                 equal_spacing = true;
 518                                 ++i;
 519                                 if (i < len) {
 520                                         switch (s[i]) {
 521                                         case '0':
 522                                         case 'R':
 523                                         case 'C':
 524                                                 spacing_code = static_cast<char>(s[i]);
 525                                         }
 526                                 }
 527                         } else if (i < len) {
 528                                 switch (s[i]) {
 529                                 case 'R':
 530                                 case 'C':
 531                                 case 'M':
 532                                 case 'W':
 533                                 case 'H':
 534                                 case 'L':
 535                                         spacing_code = static_cast<char>(s[i]);
 536                                         ++i;
 537                                         break;
 538                                 }
 539                                 if (i < len && s[i] == '=') {
 540                                         ++i;
 541                                         spacing = Length(to_ascii(s.substr(i)));
 542                                 }
 543                         }
 544                 }
 545                 return MathAtom(new InsetMathXYMatrix(buf, spacing, spacing_code,
 546                         equal_spacing));
 547         }
 548
 549         if (s == "Diagram")
 550                 return MathAtom(new InsetMathDiagram(buf));
 551         if (s == "xrightarrow" || s == "xleftarrow" ||
 552                 s == "xhookrightarrow" || s == "xhookleftarrow" ||
 553                 s == "xRightarrow" || s == "xLeftarrow" ||
 554                 s == "xleftrightarrow" || s == "xLeftrightarrow" ||
 555                 s == "xrightharpoondown" || s == "xrightharpoonup" ||
 556                 s == "xleftharpoondown" || s == "xleftharpoonup" ||
 557                 s == "xleftrightharpoons" || s == "xrightleftharpoons" ||
 558                 s == "xmapsto")
 559                 return MathAtom(new InsetMathXArrow(buf, s));
 560         if (s == "split" || s == "alignedat")
 561                 return MathAtom(new InsetMathSplit(buf, s));
 562         if (s == "cases")
 563                 return MathAtom(new InsetMathCases(buf));
 564         if (s == "substack")
 565                 return MathAtom(new InsetMathSubstack(buf));
 566         if (s == "subarray" || s == "array")
 567                 return MathAtom(new InsetMathArray(buf, s, 1, 1));
 568         if (s == "sqrt")
 569                 return MathAtom(new InsetMathSqrt(buf));
 570         if (s == "root")
 571                 return MathAtom(new InsetMathRoot(buf));
 572         if (s == "tabular")
 573                 return MathAtom(new InsetMathTabular(buf, s, 1, 1));
 574         if (s == "stackrel")
 575                 return MathAtom(new InsetMathStackrel(buf, false));
 576         // This string value is only for math toolbar use, no LaTeX name
 577         if (s == "stackrelthree")
 578                 return MathAtom(new InsetMathStackrel(buf, true));
 579         if (s == "binom")
 580                 return MathAtom(new InsetMathBinom(buf, InsetMathBinom::BINOM));
 581         if (s == "dbinom")
 582                 return MathAtom(new InsetMathBinom(buf, InsetMathBinom::DBINOM));
 583         if (s == "tbinom")
 584                 return MathAtom(new InsetMathBinom(buf, InsetMathBinom::TBINOM));
 585         if (s == "choose")
 586                 return MathAtom(new InsetMathBinom(buf, InsetMathBinom::CHOOSE));
 587         if (s == "brace")
 588                 return MathAtom(new InsetMathBinom(buf, InsetMathBinom::BRACE));
 589         if (s == "brack")
 590                 return MathAtom(new InsetMathBinom(buf, InsetMathBinom::BRACK));
 591         if (s == "frac")
 592                 return MathAtom(new InsetMathFrac(buf));
 593         if (s == "cfrac")
 594                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRAC));
 595         if (s == "dfrac")
 596                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::DFRAC));
 597         if (s == "tfrac")
 598                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::TFRAC));
 599         if (s == "over")
 600                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::OVER));
 601         if (s == "nicefrac")
 602                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::NICEFRAC));
 603         if (s == "unitfrac")
 604                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC));
 605         // These string values are only for math toolbar use, no LaTeX names
 606         if (s == "unitfracthree")
 607                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC, 3));
 608         if (s == "unitone")
 609                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT, 1));
 610         if (s == "unittwo")
 611                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT));
 612         if (s == "cfracleft")
 613                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACLEFT));
 614         if (s == "cfracright")
 615                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACRIGHT));
 616         //if (s == "infer")
 617         //      return MathAtom(new MathInferInset);
 618         if (s == "atop")
 619                 return MathAtom(new InsetMathFrac(buf, InsetMathFrac::ATOP));
 620         if (s == "lefteqn")
 621                 return MathAtom(new InsetMathLefteqn(buf));
 622         if (s == "boldsymbol")
 623                 return MathAtom(new InsetMathBoldSymbol(buf, InsetMathBoldSymbol::AMS_BOLD));
 624         if (s == "bm")
 625                 return MathAtom(new InsetMathBoldSymbol(buf, InsetMathBoldSymbol::BM_BOLD));
 626         if (s == "heavysymbol" || s == "hm")
 627                 return MathAtom(new InsetMathBoldSymbol(buf, InsetMathBoldSymbol::BM_HEAVY));
 628         if (s == "color" || s == "normalcolor")
 629                 return MathAtom(new InsetMathColor(buf, true));
 630         if (s == "textcolor")
 631                 return MathAtom(new InsetMathColor(buf, false));
 632         if (s == "hphantom")
 633                 return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::hphantom));
 634         if (s == "phantom")
 635                 return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::phantom));
 636         if (s == "vphantom")
 637                 return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::vphantom));
 638         if (s == "cancel")
 639                 return MathAtom(new InsetMathCancel(buf, InsetMathCancel::cancel));
 640         if (s == "bcancel")
 641                 return MathAtom(new InsetMathCancel(buf, InsetMathCancel::bcancel));
 642         if (s == "xcancel")
 643                 return MathAtom(new InsetMathCancel(buf, InsetMathCancel::xcancel));
 644         if (s == "cancelto")
 645                 return MathAtom(new InsetMathCancelto(buf));
 646         if (s == "smash")
 647                 return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::smash));
 648         // The following 2 string values are only for math toolbar use, no LaTeX names
 649         if (s == "smashb")
 650                 return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::smashb));
 651         if (s == "smasht")
 652                 return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::smasht));
 653         if (s == "mathclap")
 654                 return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::mathclap));
 655         if (s == "mathllap")
 656                 return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::mathllap));
 657         if (s == "mathrlap")
 658                 return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::mathrlap));
 659         if (s == "ensuremath")
 660                 return MathAtom(new InsetMathEnsureMath(buf));
 661         if (s == "sideset")
 662                 return MathAtom(new InsetMathSideset(buf, true, true));
 663         // The following 3 string values are only for math toolbar use, no LaTeX names
 664         if (s == "sidesetr")
 665                 return MathAtom(new InsetMathSideset(buf, false, true));
 666         if (s == "sidesetl")
 667                 return MathAtom(new InsetMathSideset(buf, true, false));
 668         if (s == "sidesetn")
 669                 return MathAtom(new InsetMathSideset(buf, false, false));
 670         if (isSpecialChar(s))
 671                 return MathAtom(new InsetMathSpecialChar(s));
 672         if (s == " ")
 673                 return MathAtom(new InsetMathSpace(" ", ""));
 674         if (s == "regexp")
 675                 return MathAtom(new InsetMathHull(buf, hullRegexp));
 676
 677         return MathAtom(new InsetMathMacro(buf, s));
 678 }
 679
 680
 681 bool createInsetMath_fromDialogStr(docstring const & str, MathData & ar)
 682 {
 683         // An example str:
 684         // "ref LatexCommand ref\nreference \"sec:Title\"\n\\end_inset\n\n";
 685         docstring name;
 686         docstring body = split(str, name, ' ');
 687
 688         if (name == "ref") {
 689                 InsetCommandParams icp(REF_CODE);
 690                 // FIXME UNICODE
 691                 InsetCommand::string2params(to_utf8(str), icp);
 692                 Encoding const * const utf8 = encodings.fromLyXName("utf8");
 693                 OutputParams op(utf8);
 694                 mathed_parse_cell(ar, icp.getCommand(op));
 695         } else if (name == "mathspace") {
 696                 InsetSpaceParams isp(true);
 697                 InsetSpace::string2params(to_utf8(str), isp);
 698                 InsetSpace is(isp);
 699                 odocstringstream ods;
 700                 otexstream os(ods);
 701                 Encoding const * const ascii = encodings.fromLyXName("ascii");
 702                 OutputParams op(ascii);
 703                 is.latex(os, op);
 704                 mathed_parse_cell(ar, ods.str());
 705                 if (ar.size() == 2) {
 706                         // remove "{}"
 707                         if (ar[1].nucleus()->asBraceInset())
 708                                 ar.pop_back();
 709                 }
 710         } else
 711                 return false;
 712
 713         if (ar.size() != 1)
 714                 return false;
 715
 716         return ar[0].nucleus();
 717 }
 718
 719
 720 } // namespace lyx