src/insets/InsetLayout.cpp

   1 // -*- C++ -*-
   2 /**
   3  * \file InsetLayout.cpp
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Martin Vermeer
   8  * \author Richard Heck
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "InsetLayout.h"
  16
  17 #include "ColorSet.h"
  18 #include "Layout.h"
  19 #include "Lexer.h"
  20 #include "TextClass.h"
  21
  22 #include "support/debug.h"
  23 #include "support/lstrings.h"
  24 #include "support/textutils.h"
  25
  26 #include <vector>
  27
  28 using std::string;
  29 using std::set;
  30 using std::vector;
  31
  32 namespace lyx {
  33
  34 InsetLayout::InsetLayout() :
  35         name_(from_ascii("undefined")), lyxtype_(STANDARD),
  36         labelstring_(from_ascii("UNDEFINED")), contentaslabel_(false),
  37         decoration_(DEFAULT), latextype_(NOLATEXTYPE), font_(inherit_font),
  38         labelfont_(sane_font), bgcolor_(Color_error),
  39         htmlforcecss_ (false), htmlisblock_(true),
  40         multipar_(true), custompars_(true), forceplain_(false),
  41         passthru_(false), parbreakisnewline_(false), freespacing_(false),
  42         keepempty_(false), forceltr_(false),
  43         needprotect_(false), intoc_(false), spellcheck_(true),
  44         resetsfont_(false), display_(true), forcelocalfontswitch_(false),
  45         forceownlines_(false)
  46 {
  47         labelfont_.setColor(Color_error);
  48 }
  49
  50
  51 InsetLayout::InsetDecoration translateDecoration(std::string const & str)
  52 {
  53         if (support::compare_ascii_no_case(str, "classic") == 0)
  54                 return InsetLayout::CLASSIC;
  55         if (support::compare_ascii_no_case(str, "minimalistic") == 0)
  56                 return InsetLayout::MINIMALISTIC;
  57         if (support::compare_ascii_no_case(str, "conglomerate") == 0)
  58                 return InsetLayout::CONGLOMERATE;
  59         return InsetLayout::DEFAULT;
  60 }
  61
  62 namespace {
  63
  64 InsetLayout::InsetLaTeXType translateLaTeXType(std::string const & str)
  65 {
  66         if (support::compare_ascii_no_case(str, "command") == 0)
  67                 return InsetLayout::COMMAND;
  68         if (support::compare_ascii_no_case(str, "environment") == 0)
  69                 return InsetLayout::ENVIRONMENT;
  70         if (support::compare_ascii_no_case(str, "none") == 0)
  71                 return InsetLayout::NOLATEXTYPE;
  72         return InsetLayout::ILT_ERROR;
  73 }
  74
  75 } // namespace anon
  76
  77
  78 bool InsetLayout::read(Lexer & lex, TextClass const & tclass)
  79 {
  80         enum {
  81                 IL_ARGUMENT,
  82                 IL_BABELPREAMBLE,
  83                 IL_BGCOLOR,
  84                 IL_CONTENTASLABEL,
  85                 IL_COPYSTYLE,
  86                 IL_COUNTER,
  87                 IL_CUSTOMPARS,
  88                 IL_DECORATION,
  89                 IL_DISPLAY,
  90                 IL_FONT,
  91                 IL_FORCE_LOCAL_FONT_SWITCH,
  92                 IL_FORCELTR,
  93                 IL_FORCEOWNLINES,
  94                 IL_FORCEPLAIN,
  95                 IL_FREESPACING,
  96                 IL_HTMLTAG,
  97                 IL_HTMLATTR,
  98                 IL_HTMLFORCECSS,
  99                 IL_HTMLINNERTAG,
 100                 IL_HTMLINNERATTR,
 101                 IL_HTMLISBLOCK,
 102                 IL_HTMLLABEL,
 103                 IL_HTMLSTYLE,
 104                 IL_HTMLPREAMBLE,
 105                 IL_INTOC,
 106                 IL_LABELFONT,
 107                 IL_LABELSTRING,
 108                 IL_LANGPREAMBLE,
 109                 IL_LATEXNAME,
 110                 IL_LATEXPARAM,
 111                 IL_LATEXTYPE,
 112                 IL_LEFTDELIM,
 113                 IL_LYXTYPE,
 114                 IL_OBSOLETEDBY,
 115                 IL_KEEPEMPTY,
 116                 IL_MULTIPAR,
 117                 IL_NEEDPROTECT,
 118                 IL_PASSTHRU,
 119                 IL_PARBREAKISNEWLINE,
 120                 IL_PREAMBLE,
 121                 IL_REQUIRES,
 122                 IL_RIGHTDELIM,
 123                 IL_REFPREFIX,
 124                 IL_RESETARGS,
 125                 IL_RESETSFONT,
 126                 IL_SPELLCHECK,
 127                 IL_END
 128         };
 129
 130
 131         LexerKeyword elementTags[] = {
 132                 { "argument", IL_ARGUMENT },
 133                 { "babelpreamble", IL_BABELPREAMBLE },
 134                 { "bgcolor", IL_BGCOLOR },
 135                 { "contentaslabel", IL_CONTENTASLABEL },
 136                 { "copystyle", IL_COPYSTYLE },
 137                 { "counter", IL_COUNTER},
 138                 { "custompars", IL_CUSTOMPARS },
 139                 { "decoration", IL_DECORATION },
 140                 { "display", IL_DISPLAY },
 141                 { "end", IL_END },
 142                 { "font", IL_FONT },
 143                 { "forcelocalfontswitch", IL_FORCE_LOCAL_FONT_SWITCH },
 144                 { "forceltr", IL_FORCELTR },
 145                 { "forceownlines", IL_FORCEOWNLINES },
 146                 { "forceplain", IL_FORCEPLAIN },
 147                 { "freespacing", IL_FREESPACING },
 148                 { "htmlattr", IL_HTMLATTR },
 149                 { "htmlforcecss", IL_HTMLFORCECSS },
 150                 { "htmlinnerattr", IL_HTMLINNERATTR},
 151                 { "htmlinnertag", IL_HTMLINNERTAG},
 152                 { "htmlisblock", IL_HTMLISBLOCK},
 153                 { "htmllabel", IL_HTMLLABEL },
 154                 { "htmlpreamble", IL_HTMLPREAMBLE },
 155                 { "htmlstyle", IL_HTMLSTYLE },
 156                 { "htmltag", IL_HTMLTAG },
 157                 { "intoc", IL_INTOC },
 158                 { "keepempty", IL_KEEPEMPTY },
 159                 { "labelfont", IL_LABELFONT },
 160                 { "labelstring", IL_LABELSTRING },
 161                 { "langpreamble", IL_LANGPREAMBLE },
 162                 { "latexname", IL_LATEXNAME },
 163                 { "latexparam", IL_LATEXPARAM },
 164                 { "latextype", IL_LATEXTYPE },
 165                 { "leftdelim", IL_LEFTDELIM },
 166                 { "lyxtype", IL_LYXTYPE },
 167                 { "multipar", IL_MULTIPAR },
 168                 { "needprotect", IL_NEEDPROTECT },
 169                 { "obsoletedby", IL_OBSOLETEDBY },
 170                 { "parbreakisnewline", IL_PARBREAKISNEWLINE },
 171                 { "passthru", IL_PASSTHRU },
 172                 { "preamble", IL_PREAMBLE },
 173                 { "refprefix", IL_REFPREFIX },
 174                 { "requires", IL_REQUIRES },
 175                 { "resetargs", IL_RESETARGS },
 176                 { "resetsfont", IL_RESETSFONT },
 177                 { "rightdelim", IL_RIGHTDELIM },
 178                 { "spellcheck", IL_SPELLCHECK }
 179         };
 180
 181         lex.pushTable(elementTags);
 182
 183         labelfont_ = inherit_font;
 184         bgcolor_ = Color_none;
 185         bool getout = false;
 186         // whether we've read the CustomPars or ForcePlain tag
 187         // for issuing a warning in case MultiPars comes later
 188         bool readCustomOrPlain = false;
 189
 190         string tmp;
 191         while (!getout && lex.isOK()) {
 192                 int le = lex.lex();
 193                 switch (le) {
 194                 case Lexer::LEX_UNDEF:
 195                         lex.printError("Unknown InsetLayout tag");
 196                         continue;
 197                 default:
 198                         break;
 199                 }
 200                 switch (le) {
 201                 // FIXME
 202                 // Perhaps a more elegant way to deal with the next two would be the
 203                 // way this sort of thing is handled in Layout::read(), namely, by
 204                 // using the Lexer.
 205                 case IL_LYXTYPE: {
 206                         // make sure that we have the right sort of name.
 207                         if (name_ != from_ascii("undefined")
 208                             && name_.substr(0,5) != from_ascii("Flex:")) {
 209                                 LYXERR0("Flex insets must have names of the form `Flex:<name>'.\n"
 210                                         "This one has the name `" << to_utf8(name_) << "'\n"
 211                                         "Ignoring LyXType declaration.");
 212                                 break;
 213                         }
 214                         string lt;
 215                         lex >> lt;
 216                         lyxtype_ = translateLyXType(lt);
 217                         if (lyxtype_  == NOLYXTYPE)
 218                                 LYXERR0("Unknown LyXType `" << lt << "'.");
 219                         if (lyxtype_ == CHARSTYLE)
 220                                 multipar_ = false;
 221                         break;
 222                 }
 223                 case IL_LATEXTYPE:  {
 224                         string lt;
 225                         lex >> lt;
 226                         latextype_ = translateLaTeXType(lt);
 227                         if (latextype_  == ILT_ERROR)
 228                                 LYXERR0("Unknown LaTeXType `" << lt << "'.");
 229                         break;
 230                 }
 231                 case IL_LABELSTRING:
 232                         lex >> labelstring_;
 233                         break;
 234                 case IL_DECORATION:
 235                         lex >> tmp;
 236                         decoration_ = translateDecoration(tmp);
 237                         break;
 238                 case IL_LATEXNAME:
 239                         lex >> latexname_;
 240                         break;
 241                 case IL_LATEXPARAM:
 242                         lex >> tmp;
 243                         latexparam_ = support::subst(tmp, "&quot;", "\"");
 244                         break;
 245                 case IL_LEFTDELIM:
 246                         lex >> leftdelim_;
 247                         leftdelim_ = support::subst(leftdelim_, from_ascii("<br/>"),
 248                                                     from_ascii("\n"));
 249                         break;
 250                 case IL_FORCE_LOCAL_FONT_SWITCH:
 251                         lex >> forcelocalfontswitch_;
 252                         break;
 253                 case IL_RIGHTDELIM:
 254                         lex >> rightdelim_;
 255                         rightdelim_ = support::subst(rightdelim_, from_ascii("<br/>"),
 256                                                      from_ascii("\n"));
 257                         break;
 258                 case IL_LABELFONT:
 259                         labelfont_ = lyxRead(lex, inherit_font);
 260                         break;
 261                 case IL_FORCELTR:
 262                         lex >> forceltr_;
 263                         break;
 264                 case IL_FORCEOWNLINES:
 265                         lex >> forceownlines_;
 266                         break;
 267                 case IL_INTOC:
 268                         lex >> intoc_;
 269                         break;
 270                 case IL_MULTIPAR:
 271                         lex >> multipar_;
 272                         // the defaults for these depend upon multipar_
 273                         if (readCustomOrPlain)
 274                                 LYXERR0("Warning: Read MultiPar after CustomPars or ForcePlain. "
 275                                         "Previous value may be overwritten!");
 276                         readCustomOrPlain = false;
 277                         custompars_ = multipar_;
 278                         forceplain_ = !multipar_;
 279                         break;
 280                 case IL_COUNTER:
 281                         lex >> counter_;
 282                         break;
 283                 case IL_CUSTOMPARS:
 284                         lex >> custompars_;
 285                         readCustomOrPlain = true;
 286                         break;
 287                 case IL_FORCEPLAIN:
 288                         lex >> forceplain_;
 289                         readCustomOrPlain = true;
 290                         break;
 291                 case IL_PASSTHRU:
 292                         lex >> passthru_;
 293                         break;
 294                 case IL_PARBREAKISNEWLINE:
 295                         lex >> parbreakisnewline_;
 296                         break;
 297                 case IL_KEEPEMPTY:
 298                         lex >> keepempty_;
 299                         break;
 300                 case IL_FREESPACING:
 301                         lex >> freespacing_;
 302                         break;
 303                 case IL_NEEDPROTECT:
 304                         lex >> needprotect_;
 305                         break;
 306                 case IL_CONTENTASLABEL:
 307                         lex >> contentaslabel_;
 308                         break;
 309                 case IL_COPYSTYLE: {
 310                         // initialize with a known style
 311                         docstring style;
 312                         lex >> style;
 313                         style = support::subst(style, '_', ' ');
 314
 315                         // We don't want to apply the algorithm in DocumentClass::insetLayout()
 316                         // here. So we do it the long way.
 317                         TextClass::InsetLayouts::const_iterator it =
 318                                         tclass.insetLayouts().find(style);
 319                         if (it != tclass.insetLayouts().end()) {
 320                                 docstring const tmpname = name_;
 321                                 this->operator=(it->second);
 322                                 name_ = tmpname;
 323                         } else {
 324                                 LYXERR0("Cannot copy unknown InsetLayout `"
 325                                         << style << "' to InsetLayout `"
 326                                         << name() << "'\n"
 327                                         << "All InsetLayouts so far:");
 328                                 TextClass::InsetLayouts::const_iterator lit =
 329                                                 tclass.insetLayouts().begin();
 330                                 TextClass::InsetLayouts::const_iterator len =
 331                                                 tclass.insetLayouts().end();
 332                                 for (; lit != len; ++lit)
 333                                         lyxerr << lit->second.name() << "\n";
 334                         }
 335                         break;
 336                 }
 337                 case IL_OBSOLETEDBY: {
 338                         docstring style;
 339                         lex >> style;
 340                         style = support::subst(style, '_', ' ');
 341
 342                         // We don't want to apply the algorithm in DocumentClass::insetLayout()
 343                         // here. So we do it the long way.
 344                         TextClass::InsetLayouts::const_iterator it =
 345                                         tclass.insetLayouts().find(style);
 346                         if (it != tclass.insetLayouts().end()) {
 347                                 docstring const tmpname = name_;
 348                                 this->operator=(it->second);
 349                                 name_ = tmpname;
 350                                 if (obsoleted_by().empty())
 351                                         obsoleted_by_ = style;
 352                         } else {
 353                                 LYXERR0("Cannot replace InsetLayout `"
 354                                         << name()
 355                                         << "' with unknown InsetLayout `"
 356                                         << style << "'\n"
 357                                         << "All InsetLayouts so far:");
 358                                 TextClass::InsetLayouts::const_iterator lit =
 359                                                 tclass.insetLayouts().begin();
 360                                 TextClass::InsetLayouts::const_iterator len =
 361                                                 tclass.insetLayouts().end();
 362                                 for (; lit != len; ++lit)
 363                                         lyxerr << lit->second.name() << "\n";
 364                         }
 365                         break;
 366                 }
 367
 368                 case IL_FONT: {
 369                         font_ = lyxRead(lex, inherit_font);
 370                         // If you want to define labelfont, you need to do so after
 371                         // font is defined.
 372                         labelfont_ = font_;
 373                         break;
 374                 }
 375                 case IL_RESETARGS:
 376                         bool reset;
 377                         lex >> reset;
 378                         if (reset) {
 379                                 latexargs_.clear();
 380                                 postcommandargs_.clear();
 381                         }
 382                         break;
 383                 case IL_ARGUMENT:
 384                         readArgument(lex);
 385                         break;
 386                 case IL_BGCOLOR:
 387                         lex >> tmp;
 388                         bgcolor_ = lcolor.getFromLyXName(tmp);
 389                         break;
 390                 case IL_PREAMBLE:
 391                         preamble_ = from_utf8(lex.getLongString("EndPreamble"));
 392                         break;
 393                 case IL_BABELPREAMBLE:
 394                         babelpreamble_ = from_utf8(lex.getLongString("EndBabelPreamble"));
 395                         break;
 396                 case IL_LANGPREAMBLE:
 397                         langpreamble_ = from_utf8(lex.getLongString("EndLangPreamble"));
 398                         break;
 399                 case IL_REFPREFIX:
 400                         lex >> refprefix_;
 401                         break;
 402                 case IL_HTMLTAG:
 403                         lex >> htmltag_;
 404                         break;
 405                 case IL_HTMLATTR:
 406                         lex >> htmlattr_;
 407                         break;
 408                 case IL_HTMLFORCECSS:
 409                         lex >> htmlforcecss_;
 410                         break;
 411                 case IL_HTMLINNERTAG:
 412                         lex >> htmlinnertag_;
 413                         break;
 414                 case IL_HTMLINNERATTR:
 415                         lex >> htmlinnerattr_;
 416                         break;
 417                 case IL_HTMLLABEL:
 418                         lex >> htmllabel_;
 419                         break;
 420                 case IL_HTMLISBLOCK:
 421                         lex >> htmlisblock_;
 422                         break;
 423                 case IL_HTMLSTYLE:
 424                         htmlstyle_ = from_utf8(lex.getLongString("EndHTMLStyle"));
 425                         break;
 426                 case IL_HTMLPREAMBLE:
 427                         htmlpreamble_ = from_utf8(lex.getLongString("EndPreamble"));
 428                         break;
 429                 case IL_REQUIRES: {
 430                         lex.eatLine();
 431                         vector<string> const req
 432                                 = support::getVectorFromString(lex.getString());
 433                         requires_.insert(req.begin(), req.end());
 434                         break;
 435                 }
 436                 case IL_SPELLCHECK:
 437                         lex >> spellcheck_;
 438                         break;
 439                 case IL_RESETSFONT:
 440                         lex >> resetsfont_;
 441                         break;
 442                 case IL_DISPLAY:
 443                         lex >> display_;
 444                         break;
 445                 case IL_END:
 446                         getout = true;
 447                         break;
 448                 }
 449         }
 450
 451         // Here add element to list if getout == true
 452         if (!getout)
 453                 return false;
 454
 455         // The label font is generally used as-is without
 456         // any realization against a given context.
 457         labelfont_.realize(sane_font);
 458
 459         lex.popTable();
 460         return true;
 461 }
 462
 463
 464 InsetLayout::InsetLyXType translateLyXType(std::string const & str)
 465 {
 466
 467         if (support::compare_ascii_no_case(str, "charstyle") == 0)
 468                 return InsetLayout::CHARSTYLE;
 469         if (support::compare_ascii_no_case(str, "custom") == 0)
 470                 return InsetLayout::CUSTOM;
 471         if (support::compare_ascii_no_case(str, "element") == 0)
 472                 return InsetLayout::ELEMENT;
 473         if (support::compare_ascii_no_case(str, "end") == 0)
 474                 return InsetLayout::END;
 475         if (support::compare_ascii_no_case(str, "standard") == 0)
 476                 return InsetLayout::STANDARD;
 477         return InsetLayout::NOLYXTYPE;
 478 }
 479
 480
 481 string const & InsetLayout::htmltag() const
 482 {
 483         if (htmltag_.empty())
 484                 htmltag_ = multipar_ ? "div" : "span";
 485         return htmltag_;
 486 }
 487
 488
 489 string const & InsetLayout::htmlattr() const
 490 {
 491         if (htmlattr_.empty())
 492                 htmlattr_ = "class=\"" + defaultCSSClass() + "\"";
 493         return htmlattr_;
 494 }
 495
 496
 497 string const & InsetLayout::htmlinnerattr() const
 498 {
 499         if (htmlinnerattr_.empty())
 500                 htmlinnerattr_ = "class=\"" + defaultCSSClass() + "_inner\"";
 501         return htmlinnerattr_;
 502 }
 503
 504
 505 string InsetLayout::defaultCSSClass() const
 506 {
 507         if (!defaultcssclass_.empty())
 508                 return defaultcssclass_;
 509         string d;
 510         string n = to_utf8(name());
 511         string::const_iterator it = n.begin();
 512         string::const_iterator en = n.end();
 513         for (; it != en; ++it) {
 514                 if (!isAlphaASCII(*it))
 515                         d += "_";
 516                 else if (isLower(*it))
 517                         d += *it;
 518                 else
 519                         d += support::lowercase(*it);
 520         }
 521         // are there other characters we need to remove?
 522         defaultcssclass_ = d;
 523         return defaultcssclass_;
 524 }
 525
 526
 527 void InsetLayout::makeDefaultCSS() const
 528 {
 529         if (!htmldefaultstyle_.empty())
 530                 return;
 531         docstring const mainfontCSS = font_.asCSS();
 532         if (!mainfontCSS.empty())
 533                 htmldefaultstyle_ =
 534                                 from_ascii(htmltag() + "." + defaultCSSClass() + " {\n") +
 535                                 mainfontCSS + from_ascii("\n}\n");
 536 }
 537
 538
 539 docstring InsetLayout::htmlstyle() const
 540 {
 541         if (!htmlstyle_.empty() && !htmlforcecss_)
 542                 return htmlstyle_;
 543         if (htmldefaultstyle_.empty())
 544                 makeDefaultCSS();
 545         docstring retval = htmldefaultstyle_;
 546         if (!htmlstyle_.empty())
 547                 retval += '\n' + htmlstyle_ + '\n';
 548         return retval;
 549 }
 550
 551 void InsetLayout::readArgument(Lexer & lex)
 552 {
 553         Layout::latexarg arg;
 554         arg.mandatory = false;
 555         arg.autoinsert = false;
 556         bool error = false;
 557         bool finished = false;
 558         arg.font = inherit_font;
 559         arg.labelfont = inherit_font;
 560         string nr;
 561         lex >> nr;
 562         bool const postcmd = support::prefixIs(nr, "post:");
 563         while (!finished && lex.isOK() && !error) {
 564                 lex.next();
 565                 string const tok = support::ascii_lowercase(lex.getString());
 566
 567                 if (tok.empty()) {
 568                         continue;
 569                 } else if (tok == "endargument") {
 570                         finished = true;
 571                 } else if (tok == "labelstring") {
 572                         lex.next();
 573                         arg.labelstring = lex.getDocString();
 574                 } else if (tok == "menustring") {
 575                         lex.next();
 576                         arg.menustring = lex.getDocString();
 577                 } else if (tok == "mandatory") {
 578                         lex.next();
 579                         arg.mandatory = lex.getBool();
 580                 } else if (tok == "autoinsert") {
 581                         lex.next();
 582                         arg.autoinsert = lex.getBool();
 583                 } else if (tok == "leftdelim") {
 584                         lex.next();
 585                         arg.ldelim = lex.getDocString();
 586                         arg.ldelim = support::subst(arg.ldelim,
 587                                                     from_ascii("<br/>"), from_ascii("\n"));
 588                 } else if (tok == "rightdelim") {
 589                         lex.next();
 590                         arg.rdelim = lex.getDocString();
 591                         arg.rdelim = support::subst(arg.rdelim,
 592                                                     from_ascii("<br/>"), from_ascii("\n"));
 593                 } else if (tok == "defaultarg") {
 594                         lex.next();
 595                         arg.defaultarg = lex.getDocString();
 596                 } else if (tok == "presetarg") {
 597                         lex.next();
 598                         arg.presetarg = lex.getDocString();
 599                 } else if (tok == "tooltip") {
 600                         lex.next();
 601                         arg.tooltip = lex.getDocString();
 602                 } else if (tok == "requires") {
 603                         lex.next();
 604                         arg.requires = lex.getString();
 605                 } else if (tok == "decoration") {
 606                         lex.next();
 607                         arg.decoration = lex.getString();
 608                 } else if (tok == "font") {
 609                         arg.font = lyxRead(lex, arg.font);
 610                 } else if (tok == "labelfont") {
 611                         arg.labelfont = lyxRead(lex, arg.labelfont);
 612                 } else {
 613                         lex.printError("Unknown tag");
 614                         error = true;
 615                 }
 616         }
 617         if (arg.labelstring.empty())
 618                 LYXERR0("Incomplete Argument definition!");
 619         else if (postcmd)
 620                 postcommandargs_[nr] = arg;
 621         else
 622                 latexargs_[nr] = arg;
 623 }
 624
 625
 626 Layout::LaTeXArgMap InsetLayout::args() const
 627 {
 628         Layout::LaTeXArgMap args = latexargs_;
 629         if (!postcommandargs_.empty())
 630                 args.insert(postcommandargs_.begin(), postcommandargs_.end());
 631         return args;
 632 }
 633
 634
 635 unsigned int InsetLayout::optArgs() const
 636 {
 637         unsigned int nr = 0;
 638         Layout::LaTeXArgMap const args = InsetLayout::args();
 639         Layout::LaTeXArgMap::const_iterator it = args.begin();
 640         for (; it != args.end(); ++it) {
 641                 if (!(*it).second.mandatory)
 642                         ++nr;
 643         }
 644         return nr;
 645 }
 646
 647
 648 unsigned int InsetLayout::requiredArgs() const
 649 {
 650         unsigned int nr = 0;
 651         Layout::LaTeXArgMap const args = InsetLayout::args();
 652         Layout::LaTeXArgMap::const_iterator it = args.begin();
 653         for (; it != args.end(); ++it) {
 654                 if ((*it).second.mandatory)
 655                         ++nr;
 656         }
 657         return nr;
 658 }
 659
 660
 661 } //namespace lyx