src/Layout.cpp

   1 /**
   2  * \file Layout.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Jean-Marc Lasgouttes
   8  * \author André Pönitz
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "Layout.h"
  16 #include "Language.h"
  17 #include "TextClass.h"
  18 #include "Lexer.h"
  19 #include "Font.h"
  20
  21 #include "support/Messages.h"
  22 #include "support/debug.h"
  23 #include "support/lassert.h"
  24 #include "support/lstrings.h"
  25
  26 #include <boost/regex.hpp>
  27
  28 using namespace std;
  29 using namespace lyx::support;
  30
  31 namespace lyx {
  32
  33 /// Special value of toclevel for layouts that to not belong in a TOC
  34 const int Layout::NOT_IN_TOC = -1000;
  35
  36 //  The order of the LayoutTags enum is no more important. [asierra300396]
  37 // Tags indexes.
  38 enum LayoutTags {
  39         LT_ALIGN = 1,
  40         LT_ALIGNPOSSIBLE,
  41         LT_MARGIN,
  42         LT_BOTTOMSEP,
  43         LT_CATEGORY,
  44         LT_COMMANDDEPTH,
  45         LT_COPYSTYLE,
  46         LT_DEPENDSON,
  47         LT_OBSOLETEDBY,
  48         //LT_EMPTY,
  49         LT_END,
  50         //LT_ENVIRONMENT_DEFAULT,
  51         //LT_FANCYHDR,
  52         LT_FILL_BOTTOM,
  53         LT_FILL_TOP,
  54         //LT_FIRST_COUNTER,
  55         LT_FONT,
  56         LT_FREE_SPACING,
  57         LT_PASS_THRU,
  58         //LT_HEADINGS,
  59         LT_ITEMSEP,
  60         LT_KEEPEMPTY,
  61         LT_LABEL_BOTTOMSEP,
  62         LT_LABELFONT,
  63         LT_TEXTFONT,
  64         LT_LABELINDENT,
  65         LT_LABELSEP,
  66         LT_LABELSTRING,
  67         LT_LABELSTRING_APPENDIX,
  68         LT_LABELCOUNTER,
  69         LT_LABELTYPE,
  70         LT_ENDLABELSTRING,
  71         LT_ENDLABELTYPE,
  72         LT_LATEXNAME,
  73         LT_LATEXPARAM,
  74         LT_OPTARGS,
  75         LT_LATEXTYPE,
  76         LT_LEFTMARGIN,
  77         LT_NEED_PROTECT,
  78         LT_NEWLINE,
  79         LT_NEXTNOINDENT,
  80         LT_PARINDENT,
  81         LT_PARSEP,
  82         LT_PARSKIP,
  83         //LT_PLAIN,
  84         LT_PREAMBLE,
  85         LT_LANGPREAMBLE,
  86         LT_BABELPREAMBLE,
  87         LT_REQUIRES,
  88         LT_RIGHTMARGIN,
  89         LT_SPACING,
  90         LT_TOPSEP,
  91         LT_TOCLEVEL,
  92         LT_INNERTAG,
  93         LT_LABELTAG,
  94         LT_ITEMTAG,
  95         LT_INTITLE // keep this last!
  96 };
  97
  98 /////////////////////
  99
 100 Layout::Layout()
 101 {
 102         unknown_ = false;
 103         margintype = MARGIN_STATIC;
 104         latextype = LATEX_PARAGRAPH;
 105         intitle = false;
 106         optionalargs = 0;
 107         needprotect = false;
 108         keepempty = false;
 109         font = inherit_font;
 110         labelfont = inherit_font;
 111         resfont = sane_font;
 112         reslabelfont = sane_font;
 113         nextnoindent = false;
 114         parskip = 0.0;
 115         itemsep = 0;
 116         topsep = 0.0;
 117         bottomsep = 0.0;
 118         labelbottomsep = 0.0;
 119         parsep = 0;
 120         align = LYX_ALIGN_BLOCK;
 121         alignpossible = LYX_ALIGN_NONE | LYX_ALIGN_LAYOUT;
 122         labeltype = LABEL_NO_LABEL;
 123         endlabeltype = END_LABEL_NO_LABEL;
 124         // Should or should not. That is the question.
 125         // spacing.set(Spacing::OneHalf);
 126         fill_top = false;
 127         fill_bottom = false;
 128         newline_allowed = true;
 129         free_spacing = false;
 130         pass_thru = false;
 131         toclevel = NOT_IN_TOC;
 132         commanddepth = 0;
 133 }
 134
 135
 136 bool Layout::read(Lexer & lex, TextClass const & tclass)
 137 {
 138         // This table is sorted alphabetically [asierra 30March96]
 139         LexerKeyword layoutTags[] = {
 140                 { "align",          LT_ALIGN },
 141                 { "alignpossible",  LT_ALIGNPOSSIBLE },
 142                 { "babelpreamble",  LT_BABELPREAMBLE },
 143                 { "bottomsep",      LT_BOTTOMSEP },
 144                 { "category",       LT_CATEGORY },
 145                 { "commanddepth",   LT_COMMANDDEPTH },
 146                 { "copystyle",      LT_COPYSTYLE },
 147                 { "dependson",      LT_DEPENDSON },
 148                 { "end",            LT_END },
 149                 { "endlabelstring", LT_ENDLABELSTRING },
 150                 { "endlabeltype",   LT_ENDLABELTYPE },
 151                 { "fill_bottom",    LT_FILL_BOTTOM },
 152                 { "fill_top",       LT_FILL_TOP },
 153                 { "font",           LT_FONT },
 154                 { "freespacing",    LT_FREE_SPACING },
 155                 { "innertag",       LT_INNERTAG },
 156                 { "intitle",        LT_INTITLE },
 157                 { "itemsep",        LT_ITEMSEP },
 158                 { "itemtag",        LT_ITEMTAG },
 159                 { "keepempty",      LT_KEEPEMPTY },
 160                 { "labelbottomsep", LT_LABEL_BOTTOMSEP },
 161                 { "labelcounter",   LT_LABELCOUNTER },
 162                 { "labelfont",      LT_LABELFONT },
 163                 { "labelindent",    LT_LABELINDENT },
 164                 { "labelsep",       LT_LABELSEP },
 165                 { "labelstring",    LT_LABELSTRING },
 166                 { "labelstringappendix", LT_LABELSTRING_APPENDIX },
 167                 { "labeltag",       LT_LABELTAG },
 168                 { "labeltype",      LT_LABELTYPE },
 169                 { "langpreamble",   LT_LANGPREAMBLE },
 170                 { "latexname",      LT_LATEXNAME },
 171                 { "latexparam",     LT_LATEXPARAM },
 172                 { "latextype",      LT_LATEXTYPE },
 173                 { "leftmargin",     LT_LEFTMARGIN },
 174                 { "margin",         LT_MARGIN },
 175                 { "needprotect",    LT_NEED_PROTECT },
 176                 { "newline",        LT_NEWLINE },
 177                 { "nextnoindent",   LT_NEXTNOINDENT },
 178                 { "obsoletedby",    LT_OBSOLETEDBY },
 179                 { "optionalargs",   LT_OPTARGS },
 180                 { "parindent",      LT_PARINDENT },
 181                 { "parsep",         LT_PARSEP },
 182                 { "parskip",        LT_PARSKIP },
 183                 { "passthru",       LT_PASS_THRU },
 184                 { "preamble",       LT_PREAMBLE },
 185                 { "requires",       LT_REQUIRES },
 186                 { "rightmargin",    LT_RIGHTMARGIN },
 187                 { "spacing",        LT_SPACING },
 188                 { "textfont",       LT_TEXTFONT },
 189                 { "toclevel",       LT_TOCLEVEL },
 190                 { "topsep",         LT_TOPSEP }
 191         };
 192
 193         bool error = false;
 194         bool finished = false;
 195         lex.pushTable(layoutTags);
 196         // parse style section
 197         while (!finished && lex.isOK() && !error) {
 198                 int le = lex.lex();
 199                 // See comment in LyXRC.cpp.
 200                 switch (le) {
 201                 case Lexer::LEX_FEOF:
 202                         continue;
 203
 204                 case Lexer::LEX_UNDEF:          // parse error
 205                         lex.printError("Unknown layout tag `$$Token'");
 206                         error = true;
 207                         continue;
 208
 209                 default:
 210                         break;
 211                 }
 212                 switch (static_cast<LayoutTags>(le)) {
 213                 case LT_END:            // end of structure
 214                         finished = true;
 215                         break;
 216
 217                 case LT_CATEGORY:
 218                         lex >> category_;
 219                         break;
 220
 221                 case LT_COPYSTYLE: {     // initialize with a known style
 222                         docstring style;
 223                         lex >> style;
 224                         style = subst(style, '_', ' ');
 225
 226                         if (tclass.hasLayout(style)) {
 227                                 docstring const tmpname = name_;
 228                                 this->operator=(tclass[style]);
 229                                 name_ = tmpname;
 230                         } else {
 231                                 LYXERR0("Cannot copy unknown style `"
 232                                         << style << "'\n"
 233                                         << "All layouts so far:");
 234                                 DocumentClass::const_iterator lit = tclass.begin();
 235                                 DocumentClass::const_iterator len = tclass.end();
 236                                 for (; lit != len; ++lit)
 237                                         LYXERR0(lit->name());
 238                         }
 239                         break;
 240                         }
 241
 242                 case LT_OBSOLETEDBY: {   // replace with a known style
 243                         docstring style;
 244                         lex >> style;
 245                         style = subst(style, '_', ' ');
 246
 247                         if (tclass.hasLayout(style)) {
 248                                 docstring const tmpname = name_;
 249                                 this->operator=(tclass[style]);
 250                                 name_ = tmpname;
 251                                 if (obsoleted_by().empty())
 252                                         obsoleted_by_ = style;
 253                         } else {
 254                                 LYXERR0("Cannot replace with unknown style `"
 255                                         << style << '\'');
 256
 257                                 //lex.printError("Cannot replace with"
 258                                 //               " unknown style "
 259                                 //               "`$$Token'");
 260                         }
 261                         break;
 262                 }
 263
 264                 case LT_DEPENDSON:
 265                         lex >> depends_on_;
 266                         depends_on_ = subst(depends_on_, '_', ' ');
 267                         break;
 268
 269                 case LT_MARGIN:         // margin style definition.
 270                         readMargin(lex);
 271                         break;
 272
 273                 case LT_LATEXTYPE:      // LaTeX style definition.
 274                         readLatexType(lex);
 275                         break;
 276
 277                 case LT_INTITLE:
 278                         lex >> intitle;
 279                         break;
 280
 281                 case LT_TOCLEVEL:
 282                         lex >> toclevel;
 283                         break;
 284
 285                 case LT_OPTARGS:
 286                         lex >> optionalargs ;
 287                         break;
 288
 289                 case LT_NEED_PROTECT:
 290                         lex >> needprotect;
 291                         break;
 292
 293                 case LT_KEEPEMPTY:
 294                         lex >> keepempty;
 295                         break;
 296
 297                 case LT_FONT:
 298                         font = lyxRead(lex, font);
 299                         labelfont = font;
 300                         break;
 301
 302                 case LT_TEXTFONT:
 303                         font = lyxRead(lex, font);
 304                         break;
 305
 306                 case LT_LABELFONT:
 307                         labelfont = lyxRead(lex, labelfont);
 308                         break;
 309
 310                 case LT_NEXTNOINDENT:   // Indent next paragraph?
 311                         lex >> nextnoindent;
 312                         break;
 313
 314                 case LT_COMMANDDEPTH:
 315                         lex >> commanddepth;
 316                         break;
 317
 318                 case LT_LATEXNAME:
 319                         lex >> latexname_;
 320                         break;
 321
 322                 case LT_LATEXPARAM:
 323                         lex >> latexparam_;
 324                         latexparam_ = subst(latexparam_, "&quot;", "\"");
 325                         break;
 326
 327                 case LT_INNERTAG:
 328                         lex >> innertag_;
 329                         break;
 330
 331                 case LT_LABELTAG:
 332                         lex >> labeltag_;
 333                         break;
 334
 335                 case LT_ITEMTAG:
 336                         lex >> itemtag_;
 337                         break;
 338
 339                 case LT_PREAMBLE:
 340                         preamble_ = from_utf8(lex.getLongString("EndPreamble"));
 341                         break;
 342
 343                 case LT_LANGPREAMBLE:
 344                         langpreamble_ = from_utf8(lex.getLongString("EndLangPreamble"));
 345                         break;
 346
 347                 case LT_BABELPREAMBLE:
 348                         babelpreamble_ = from_utf8(lex.getLongString("EndBabelPreamble"));
 349                         break;
 350
 351                 case LT_LABELTYPE:
 352                         readLabelType(lex);
 353                         break;
 354
 355                 case LT_ENDLABELTYPE:
 356                         readEndLabelType(lex);
 357                         break;
 358
 359                 case LT_LEFTMARGIN:     // left margin type
 360                         lex >> leftmargin;
 361                         break;
 362
 363                 case LT_RIGHTMARGIN:    // right margin type
 364                         lex >> rightmargin;
 365                         break;
 366
 367                 case LT_LABELINDENT:    // label indenting flag
 368                         lex >> labelindent;
 369                         break;
 370
 371                 case LT_PARINDENT:      // paragraph indent. flag
 372                         lex >> parindent;
 373                         break;
 374
 375                 case LT_PARSKIP:        // paragraph skip size
 376                         lex >> parskip;
 377                         break;
 378
 379                 case LT_ITEMSEP:        // item separation size
 380                         lex >> itemsep;
 381                         break;
 382
 383                 case LT_TOPSEP:         // top separation size
 384                         lex >> topsep;
 385                         break;
 386
 387                 case LT_BOTTOMSEP:      // bottom separation size
 388                         lex >> bottomsep;
 389                         break;
 390
 391                 case LT_LABEL_BOTTOMSEP: // label bottom separation size
 392                         lex >> labelbottomsep;
 393                         break;
 394
 395                 case LT_LABELSEP:       // label separator
 396                         lex >> labelsep;
 397                         labelsep = subst(labelsep, 'x', ' ');
 398                         break;
 399
 400                 case LT_PARSEP:         // par. separation size
 401                         lex >> parsep;
 402                         break;
 403
 404                 case LT_FILL_TOP:       // fill top flag
 405                         lex >> fill_top;
 406                         break;
 407
 408                 case LT_FILL_BOTTOM:    // fill bottom flag
 409                         lex >> fill_bottom;
 410                         break;
 411
 412                 case LT_NEWLINE:        // newlines allowed?
 413                         lex >> newline_allowed;
 414                         break;
 415
 416                 case LT_ALIGN:          // paragraph align
 417                         readAlign(lex);
 418                         break;
 419                 case LT_ALIGNPOSSIBLE:  // paragraph allowed align
 420                         readAlignPossible(lex);
 421                         break;
 422
 423                 case LT_LABELSTRING:    // label string definition
 424                         // FIXME: this means LT_ENDLABELSTRING may only
 425                         // occur after LT_LABELSTRING
 426                         lex >> labelstring_;
 427                         labelstring_ = trim(labelstring_);
 428                         labelstring_appendix_ = labelstring_;
 429                         break;
 430
 431                 case LT_ENDLABELSTRING: // endlabel string definition
 432                         lex >> endlabelstring_;
 433                         endlabelstring_ = trim(endlabelstring_);
 434                         break;
 435
 436                 case LT_LABELSTRING_APPENDIX: // label string appendix definition
 437                         lex >> labelstring_appendix_;
 438                         labelstring_appendix_ = trim(labelstring_appendix_);
 439                         break;
 440
 441                 case LT_LABELCOUNTER: // name of counter to use
 442                         lex >> counter;
 443                         counter = trim(counter);
 444                         break;
 445
 446                 case LT_FREE_SPACING:   // Allow for free spacing.
 447                         lex >> free_spacing;
 448                         break;
 449
 450                 case LT_PASS_THRU:      // Allow for pass thru.
 451                         lex >> pass_thru;
 452                         break;
 453
 454                 case LT_SPACING: // setspace.sty
 455                         readSpacing(lex);
 456                         break;
 457
 458                 case LT_REQUIRES:
 459                         lex.eatLine();
 460                         vector<string> const req =
 461                                 getVectorFromString(lex.getString());
 462                         requires_.insert(req.begin(), req.end());
 463                         break;
 464
 465                 }
 466         }
 467         lex.popTable();
 468
 469         return !error;
 470 }
 471
 472
 473 enum {
 474         AT_BLOCK = 1,
 475         AT_LEFT,
 476         AT_RIGHT,
 477         AT_CENTER,
 478         AT_LAYOUT
 479 };
 480
 481
 482 LexerKeyword alignTags[] = {
 483         { "block",  AT_BLOCK },
 484         { "center", AT_CENTER },
 485         { "layout", AT_LAYOUT },
 486         { "left",   AT_LEFT },
 487         { "right",  AT_RIGHT }
 488 };
 489
 490
 491 void Layout::readAlign(Lexer & lex)
 492 {
 493         PushPopHelper pph(lex, alignTags);
 494         int le = lex.lex();
 495         switch (le) {
 496         case Lexer::LEX_UNDEF:
 497                 lex.printError("Unknown alignment `$$Token'");
 498                 return;
 499         default: break;
 500         };
 501         switch (le) {
 502         case AT_BLOCK:
 503                 align = LYX_ALIGN_BLOCK;
 504                 break;
 505         case AT_LEFT:
 506                 align = LYX_ALIGN_LEFT;
 507                 break;
 508         case AT_RIGHT:
 509                 align = LYX_ALIGN_RIGHT;
 510                 break;
 511         case AT_CENTER:
 512                 align = LYX_ALIGN_CENTER;
 513                 break;
 514         case AT_LAYOUT:
 515                 align = LYX_ALIGN_LAYOUT;
 516                 break;
 517         }
 518 }
 519
 520
 521 void Layout::readAlignPossible(Lexer & lex)
 522 {
 523         lex.pushTable(alignTags);
 524         alignpossible = LYX_ALIGN_NONE | LYX_ALIGN_LAYOUT;
 525         int lineno = lex.lineNumber();
 526         do {
 527                 int le = lex.lex();
 528                 switch (le) {
 529                 case Lexer::LEX_UNDEF:
 530                         lex.printError("Unknown alignment `$$Token'");
 531                         continue;
 532                 default: break;
 533                 };
 534                 switch (le) {
 535                 case AT_BLOCK:
 536                         alignpossible |= LYX_ALIGN_BLOCK;
 537                         break;
 538                 case AT_LEFT:
 539                         alignpossible |= LYX_ALIGN_LEFT;
 540                         break;
 541                 case AT_RIGHT:
 542                         alignpossible |= LYX_ALIGN_RIGHT;
 543                         break;
 544                 case AT_CENTER:
 545                         alignpossible |= LYX_ALIGN_CENTER;
 546                         break;
 547                 case AT_LAYOUT:
 548                         alignpossible |= LYX_ALIGN_LAYOUT;
 549                         break;
 550                 }
 551         } while (lineno == lex.lineNumber());
 552         lex.popTable();
 553 }
 554
 555
 556 void Layout::readLabelType(Lexer & lex)
 557 {
 558         enum {
 559                 LA_NO_LABEL = 1,
 560                 LA_MANUAL,
 561                 LA_TOP_ENVIRONMENT,
 562                 LA_CENTERED_TOP_ENVIRONMENT,
 563                 LA_STATIC,
 564                 LA_SENSITIVE,
 565                 LA_COUNTER,
 566                 LA_ENUMERATE,
 567                 LA_ITEMIZE,
 568                 LA_BIBLIO
 569         };
 570
 571
 572         LexerKeyword labelTypeTags[] = {
 573                 { "bibliography",             LA_BIBLIO },
 574                 { "centered_top_environment", LA_CENTERED_TOP_ENVIRONMENT },
 575                 { "counter",                  LA_COUNTER },
 576                 { "enumerate",                LA_ENUMERATE },
 577                 { "itemize",                  LA_ITEMIZE },
 578                 { "manual",                   LA_MANUAL },
 579                 { "no_label",                 LA_NO_LABEL },
 580                 { "sensitive",                LA_SENSITIVE },
 581                 { "static",                   LA_STATIC },
 582                 { "top_environment",          LA_TOP_ENVIRONMENT }
 583         };
 584
 585         PushPopHelper pph(lex, labelTypeTags);
 586         int le = lex.lex();
 587         switch (le) {
 588         case Lexer::LEX_UNDEF:
 589                 lex.printError("Unknown labeltype tag `$$Token'");
 590                 return;
 591         default: break;
 592         }
 593         switch (le) {
 594         case LA_NO_LABEL:
 595                 labeltype = LABEL_NO_LABEL;
 596                 break;
 597         case LA_MANUAL:
 598                 labeltype = LABEL_MANUAL;
 599                 break;
 600         case LA_TOP_ENVIRONMENT:
 601                 labeltype = LABEL_TOP_ENVIRONMENT;
 602                 break;
 603         case LA_CENTERED_TOP_ENVIRONMENT:
 604                 labeltype = LABEL_CENTERED_TOP_ENVIRONMENT;
 605                 break;
 606         case LA_STATIC:
 607                 labeltype = LABEL_STATIC;
 608                 break;
 609         case LA_SENSITIVE:
 610                 labeltype = LABEL_SENSITIVE;
 611                 break;
 612         case LA_COUNTER:
 613                 labeltype = LABEL_COUNTER;
 614                 break;
 615         case LA_ENUMERATE:
 616                 labeltype = LABEL_ENUMERATE;
 617                 break;
 618         case LA_ITEMIZE:
 619                 labeltype = LABEL_ITEMIZE;
 620                 break;
 621         case LA_BIBLIO:
 622                 labeltype = LABEL_BIBLIO;
 623                 break;
 624         }
 625 }
 626
 627
 628 void Layout::readEndLabelType(Lexer & lex)
 629 {
 630         static LexerKeyword endlabelTypeTags[] = {
 631                 { "box",              END_LABEL_BOX },
 632                 { "filled_box", END_LABEL_FILLED_BOX },
 633                 { "no_label",     END_LABEL_NO_LABEL },
 634                 { "static",     END_LABEL_STATIC }
 635         };
 636
 637         PushPopHelper pph(lex, endlabelTypeTags);
 638         int le = lex.lex();
 639         switch (le) {
 640         case Lexer::LEX_UNDEF:
 641                 lex.printError("Unknown labeltype tag `$$Token'");
 642                 break;
 643         case END_LABEL_STATIC:
 644         case END_LABEL_BOX:
 645         case END_LABEL_FILLED_BOX:
 646         case END_LABEL_NO_LABEL:
 647                 endlabeltype = static_cast<EndLabelType>(le);
 648                 break;
 649         default:
 650                 LYXERR0("Unhandled value " << le);
 651                 break;
 652         }
 653 }
 654
 655
 656 void Layout::readMargin(Lexer & lex)
 657 {
 658         LexerKeyword marginTags[] = {
 659                 { "dynamic",           MARGIN_DYNAMIC },
 660                 { "first_dynamic",     MARGIN_FIRST_DYNAMIC },
 661                 { "manual",            MARGIN_MANUAL },
 662                 { "right_address_box", MARGIN_RIGHT_ADDRESS_BOX },
 663                 { "static",            MARGIN_STATIC }
 664         };
 665
 666         PushPopHelper pph(lex, marginTags);
 667
 668         int le = lex.lex();
 669         switch (le) {
 670         case Lexer::LEX_UNDEF:
 671                 lex.printError("Unknown margin type tag `$$Token'");
 672                 return;
 673         case MARGIN_STATIC:
 674         case MARGIN_MANUAL:
 675         case MARGIN_DYNAMIC:
 676         case MARGIN_FIRST_DYNAMIC:
 677         case MARGIN_RIGHT_ADDRESS_BOX:
 678                 margintype = static_cast<MarginType>(le);
 679                 break;
 680         default:
 681                 LYXERR0("Unhandled value " << le);
 682                 break;
 683         }
 684 }
 685
 686
 687 void Layout::readLatexType(Lexer & lex)
 688 {
 689         LexerKeyword latexTypeTags[] = {
 690                 { "bib_environment",  LATEX_BIB_ENVIRONMENT },
 691                 { "command",          LATEX_COMMAND },
 692                 { "environment",      LATEX_ENVIRONMENT },
 693                 { "item_environment", LATEX_ITEM_ENVIRONMENT },
 694                 { "list_environment", LATEX_LIST_ENVIRONMENT },
 695                 { "paragraph",        LATEX_PARAGRAPH }
 696         };
 697
 698         PushPopHelper pph(lex, latexTypeTags);
 699         int le = lex.lex();
 700         switch (le) {
 701         case Lexer::LEX_UNDEF:
 702                 lex.printError("Unknown latextype tag `$$Token'");
 703                 return;
 704         case LATEX_PARAGRAPH:
 705         case LATEX_COMMAND:
 706         case LATEX_ENVIRONMENT:
 707         case LATEX_ITEM_ENVIRONMENT:
 708         case LATEX_BIB_ENVIRONMENT:
 709         case LATEX_LIST_ENVIRONMENT:
 710                 latextype = static_cast<LatexType>(le);
 711                 break;
 712         default:
 713                 LYXERR0("Unhandled value " << le);
 714                 break;
 715         }
 716 }
 717
 718
 719 void Layout::readSpacing(Lexer & lex)
 720 {
 721         enum {
 722                 ST_SPACING_SINGLE = 1,
 723                 ST_SPACING_ONEHALF,
 724                 ST_SPACING_DOUBLE,
 725                 ST_OTHER
 726         };
 727
 728         LexerKeyword spacingTags[] = {
 729                 {"double",  ST_SPACING_DOUBLE },
 730                 {"onehalf", ST_SPACING_ONEHALF },
 731                 {"other",   ST_OTHER },
 732                 {"single",  ST_SPACING_SINGLE }
 733         };
 734
 735         PushPopHelper pph(lex, spacingTags);
 736         int le = lex.lex();
 737         switch (le) {
 738         case Lexer::LEX_UNDEF:
 739                 lex.printError("Unknown spacing token `$$Token'");
 740                 return;
 741         default: break;
 742         }
 743         switch (le) {
 744         case ST_SPACING_SINGLE:
 745                 spacing.set(Spacing::Single);
 746                 break;
 747         case ST_SPACING_ONEHALF:
 748                 spacing.set(Spacing::Onehalf);
 749                 break;
 750         case ST_SPACING_DOUBLE:
 751                 spacing.set(Spacing::Double);
 752                 break;
 753         case ST_OTHER:
 754                 lex.next();
 755                 spacing.set(Spacing::Other, lex.getString());
 756                 break;
 757         }
 758 }
 759
 760
 761 docstring const & Layout::name() const
 762 {
 763         return name_;
 764 }
 765
 766
 767 void Layout::setName(docstring const & name)
 768 {
 769         name_ = name;
 770 }
 771
 772
 773 docstring const & Layout::obsoleted_by() const
 774 {
 775         return obsoleted_by_;
 776 }
 777
 778
 779 docstring const & Layout::depends_on() const
 780 {
 781         return depends_on_;
 782 }
 783
 784
 785 namespace {
 786
 787 docstring const i18npreamble(Language const * lang, docstring const & templ)
 788 {
 789         if (templ.empty())
 790                 return templ;
 791
 792         string preamble = subst(to_utf8(templ), "$$lang", lang->babel());
 793
 794 #ifdef TEX2LYX
 795         // tex2lyx does not have getMessages()
 796         LASSERT(false, /**/);
 797 #else
 798         // FIXME UNICODE
 799         // boost::regex is not unicode-safe.
 800         // Should use QRegExp or (boost::u32regex, but that requires ICU)
 801         static boost::regex const reg("_\\(([^\\)]+)\\)");
 802         boost::smatch sub;
 803         while (boost::regex_search(preamble, sub, reg)) {
 804                 string const key = sub.str(1);
 805                 string translated;
 806                 if (isAscii(key))
 807                         translated = to_utf8(getMessages(lang->code()).get(key));
 808                 else {
 809                         lyxerr << "Warning: not translating `" << key
 810                                << "' because it is not pure ASCII." << endl;
 811                         translated = key;
 812                 }
 813                 preamble = subst(preamble, sub.str(), translated);
 814         }
 815 #endif
 816         return from_utf8(preamble);
 817 }
 818
 819 }
 820
 821
 822 docstring const Layout::langpreamble(Language const * lang) const
 823 {
 824         return i18npreamble(lang, langpreamble_);
 825 }
 826
 827
 828 docstring const Layout::babelpreamble(Language const * lang) const
 829 {
 830         return i18npreamble(lang, babelpreamble_);
 831 }
 832
 833
 834 bool Layout::operator==(Layout const & rhs) const
 835 {
 836         // This is enough for the applications we actually make,
 837         // at least at the moment. But we could check more.
 838         return name() == rhs.name()
 839                 && latexname() == rhs.latexname()
 840                 && latextype == rhs.latextype;
 841 }
 842
 843
 844 } // namespace lyx