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