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 "Encoding.h"
  17 #include "FontInfo.h"
  18 #include "Language.h"
  19 #include "Lexer.h"
  20 #include "output_xhtml.h"
  21 #include "TextClass.h"
  22
  23 #include "support/debug.h"
  24 #include "support/lassert.h"
  25 #include "support/lstrings.h"
  26 #include "support/Messages.h"
  27 #include "support/textutils.h"
  28
  29
  30 using namespace std;
  31 using namespace lyx::support;
  32
  33 namespace lyx {
  34
  35 /// Special value of toclevel for layouts that to not belong in a TOC
  36 const int Layout::NOT_IN_TOC = -1000;
  37
  38 //  The order of the LayoutTags enum is no more important. [asierra300396]
  39 // Tags indexes.
  40 enum LayoutTags {
  41         LT_ALIGN = 1,
  42         LT_ALIGNPOSSIBLE,
  43         LT_ARGUMENT,
  44         LT_MARGIN,
  45         LT_BOTTOMSEP,
  46         LT_CATEGORY,
  47         LT_COMMANDDEPTH,
  48         LT_COPYSTYLE,
  49         LT_DEPENDSON,
  50         LT_OBSOLETEDBY,
  51         LT_END,
  52         LT_FONT,
  53         LT_FREE_SPACING,
  54         LT_PASS_THRU,
  55         LT_PARBREAK_IS_NEWLINE,
  56         LT_ITEMSEP,
  57         LT_KEEPEMPTY,
  58         LT_LABEL_BOTTOMSEP,
  59         LT_LABELFONT,
  60         LT_TEXTFONT,
  61         LT_LABELINDENT,
  62         LT_LABELSEP,
  63         LT_LABELSTRING,
  64         LT_LABELSTRING_APPENDIX,
  65         LT_LABELCOUNTER,
  66         LT_LABELTYPE,
  67         LT_ENDLABELSTRING,
  68         LT_ENDLABELTYPE,
  69         LT_LATEXNAME,
  70         LT_LATEXPARAM,
  71         LT_LATEXTYPE,
  72         LT_LEFTDELIM,
  73         LT_LEFTMARGIN,
  74         LT_NEED_PROTECT,
  75         LT_NEWLINE,
  76         LT_NEXTNOINDENT,
  77         LT_PARINDENT,
  78         LT_PARSEP,
  79         LT_PARSKIP,
  80         LT_PREAMBLE,
  81         LT_LANGPREAMBLE,
  82         LT_BABELPREAMBLE,
  83         LT_REQUIRES,
  84         LT_RIGHTMARGIN,
  85         LT_SPACING,
  86         LT_TOPSEP,
  87         LT_TOCLEVEL,
  88         LT_INNERTAG,
  89         LT_LABELTAG,
  90         LT_ITEMTAG,
  91         LT_HTMLTAG,
  92         LT_HTMLATTR,
  93         LT_HTMLITEM,
  94         LT_HTMLITEMATTR,
  95         LT_HTMLLABEL,
  96         LT_HTMLLABELATTR,
  97         LT_HTMLLABELFIRST,
  98         LT_HTMLPREAMBLE,
  99         LT_HTMLSTYLE,
 100         LT_HTMLFORCECSS,
 101         LT_INPREAMBLE,
 102         LT_HTMLTITLE,
 103         LT_SPELLCHECK,
 104         LT_REFPREFIX,
 105         LT_RESETARGS,
 106         LT_RIGHTDELIM,
 107         LT_INTITLE // keep this last!
 108 };
 109
 110 /////////////////////
 111
 112 Layout::Layout()
 113 {
 114         unknown_ = false;
 115         margintype = MARGIN_STATIC;
 116         latextype = LATEX_PARAGRAPH;
 117         intitle = false;
 118         inpreamble = false;
 119         needprotect = false;
 120         keepempty = false;
 121         font = inherit_font;
 122         labelfont = inherit_font;
 123         resfont = sane_font;
 124         reslabelfont = sane_font;
 125         nextnoindent = false;
 126         parskip = 0.0;
 127         itemsep = 0;
 128         topsep = 0.0;
 129         bottomsep = 0.0;
 130         labelbottomsep = 0.0;
 131         parsep = 0;
 132         align = LYX_ALIGN_BLOCK;
 133         alignpossible = LYX_ALIGN_NONE | LYX_ALIGN_LAYOUT;
 134         labeltype = LABEL_NO_LABEL;
 135         endlabeltype = END_LABEL_NO_LABEL;
 136         // Should or should not. That is the question.
 137         // spacing.set(Spacing::OneHalf);
 138         newline_allowed = true;
 139         free_spacing = false;
 140         pass_thru = false;
 141         parbreak_is_newline = false;
 142         toclevel = NOT_IN_TOC;
 143         commanddepth = 0;
 144         htmllabelfirst_ = false;
 145         htmlforcecss_ = false;
 146         htmltitle_ = false;
 147         spellcheck = true;
 148 }
 149
 150
 151 bool Layout::read(Lexer & lex, TextClass const & tclass)
 152 {
 153         // This table is sorted alphabetically [asierra 30March96]
 154         LexerKeyword layoutTags[] = {
 155                 { "align",          LT_ALIGN },
 156                 { "alignpossible",  LT_ALIGNPOSSIBLE },
 157                 { "argument",       LT_ARGUMENT },
 158                 { "babelpreamble",  LT_BABELPREAMBLE },
 159                 { "bottomsep",      LT_BOTTOMSEP },
 160                 { "category",       LT_CATEGORY },
 161                 { "commanddepth",   LT_COMMANDDEPTH },
 162                 { "copystyle",      LT_COPYSTYLE },
 163                 { "dependson",      LT_DEPENDSON },
 164                 { "end",            LT_END },
 165                 { "endlabelstring", LT_ENDLABELSTRING },
 166                 { "endlabeltype",   LT_ENDLABELTYPE },
 167                 { "font",           LT_FONT },
 168                 { "freespacing",    LT_FREE_SPACING },
 169                 { "htmlattr",       LT_HTMLATTR },
 170                 { "htmlforcecss",   LT_HTMLFORCECSS },
 171                 { "htmlitem",       LT_HTMLITEM },
 172                 { "htmlitemattr",   LT_HTMLITEMATTR },
 173                 { "htmllabel",      LT_HTMLLABEL },
 174                 { "htmllabelattr",  LT_HTMLLABELATTR },
 175                 { "htmllabelfirst", LT_HTMLLABELFIRST },
 176                 { "htmlpreamble",   LT_HTMLPREAMBLE },
 177                 { "htmlstyle",      LT_HTMLSTYLE },
 178                 { "htmltag",        LT_HTMLTAG },
 179                 { "htmltitle",      LT_HTMLTITLE },
 180                 { "innertag",       LT_INNERTAG },
 181                 { "inpreamble",     LT_INPREAMBLE },
 182                 { "intitle",        LT_INTITLE },
 183                 { "itemsep",        LT_ITEMSEP },
 184                 { "itemtag",        LT_ITEMTAG },
 185                 { "keepempty",      LT_KEEPEMPTY },
 186                 { "labelbottomsep", LT_LABEL_BOTTOMSEP },
 187                 { "labelcounter",   LT_LABELCOUNTER },
 188                 { "labelfont",      LT_LABELFONT },
 189                 { "labelindent",    LT_LABELINDENT },
 190                 { "labelsep",       LT_LABELSEP },
 191                 { "labelstring",    LT_LABELSTRING },
 192                 { "labelstringappendix", LT_LABELSTRING_APPENDIX },
 193                 { "labeltag",       LT_LABELTAG },
 194                 { "labeltype",      LT_LABELTYPE },
 195                 { "langpreamble",   LT_LANGPREAMBLE },
 196                 { "latexname",      LT_LATEXNAME },
 197                 { "latexparam",     LT_LATEXPARAM },
 198                 { "latextype",      LT_LATEXTYPE },
 199                 { "leftdelim",      LT_LEFTDELIM },
 200                 { "leftmargin",     LT_LEFTMARGIN },
 201                 { "margin",         LT_MARGIN },
 202                 { "needprotect",    LT_NEED_PROTECT },
 203                 { "newline",        LT_NEWLINE },
 204                 { "nextnoindent",   LT_NEXTNOINDENT },
 205                 { "obsoletedby",    LT_OBSOLETEDBY },
 206                 { "parbreakisnewline", LT_PARBREAK_IS_NEWLINE },
 207                 { "parindent",      LT_PARINDENT },
 208                 { "parsep",         LT_PARSEP },
 209                 { "parskip",        LT_PARSKIP },
 210                 { "passthru",       LT_PASS_THRU },
 211                 { "preamble",       LT_PREAMBLE },
 212                 { "refprefix",      LT_REFPREFIX },
 213                 { "requires",       LT_REQUIRES },
 214                 { "resetargs",      LT_RESETARGS },
 215                 { "rightdelim",     LT_RIGHTDELIM },
 216                 { "rightmargin",    LT_RIGHTMARGIN },
 217                 { "spacing",        LT_SPACING },
 218                 { "spellcheck",     LT_SPELLCHECK },
 219                 { "textfont",       LT_TEXTFONT },
 220                 { "toclevel",       LT_TOCLEVEL },
 221                 { "topsep",         LT_TOPSEP }
 222         };
 223
 224         bool error = false;
 225         bool finished = false;
 226         lex.pushTable(layoutTags);
 227
 228         // parse style section
 229         while (!finished && lex.isOK() && !error) {
 230                 int le = lex.lex();
 231                 // See comment in LyXRC.cpp.
 232                 switch (le) {
 233                 case Lexer::LEX_FEOF:
 234                         continue;
 235
 236                 case Lexer::LEX_UNDEF:
 237                         // parse error
 238                         lex.printError("Unknown layout tag `$$Token'");
 239                         error = true;
 240                         continue;
 241
 242                 default:
 243                         break;
 244                 }
 245                 switch (static_cast<LayoutTags>(le)) {
 246                 case LT_END:
 247                         finished = true;
 248                         break;
 249
 250                 case LT_CATEGORY:
 251                         lex >> category_;
 252                         break;
 253
 254                 case LT_COPYSTYLE: {
 255                         docstring style;
 256                         lex >> style;
 257                         style = subst(style, '_', ' ');
 258
 259                         if (tclass.hasLayout(style)) {
 260                                 docstring const tmpname = name_;
 261                                 this->operator=(tclass[style]);
 262                                 name_ = tmpname;
 263                         } else {
 264                                 LYXERR0("Cannot copy unknown style `"
 265                                         << style << "'\n"
 266                                         << "All layouts so far:");
 267                                 DocumentClass::const_iterator lit = tclass.begin();
 268                                 DocumentClass::const_iterator len = tclass.end();
 269                                 for (; lit != len; ++lit)
 270                                         LYXERR0(lit->name());
 271                         }
 272                         break;
 273                         }
 274
 275                 case LT_OBSOLETEDBY: {
 276                         docstring style;
 277                         lex >> style;
 278                         style = subst(style, '_', ' ');
 279
 280                         if (tclass.hasLayout(style)) {
 281                                 docstring const tmpname = name_;
 282                                 this->operator=(tclass[style]);
 283                                 name_ = tmpname;
 284                                 if (obsoleted_by().empty())
 285                                         obsoleted_by_ = style;
 286                         } else {
 287                                 LYXERR0("Cannot replace with unknown style `"
 288                                         << style << '\'');
 289
 290                                 //lex.printError("Cannot replace with"
 291                                 //               " unknown style "
 292                                 //               "`$$Token'");
 293                         }
 294                         break;
 295                 }
 296
 297                 case LT_DEPENDSON:
 298                         lex >> depends_on_;
 299                         depends_on_ = subst(depends_on_, '_', ' ');
 300                         break;
 301
 302                 case LT_MARGIN:
 303                         readMargin(lex);
 304                         break;
 305
 306                 case LT_LATEXTYPE:
 307                         readLatexType(lex);
 308                         break;
 309
 310                 case LT_INTITLE:
 311                         lex >> intitle;
 312                         break;
 313
 314                 case LT_INPREAMBLE:
 315                         lex >> inpreamble;
 316                         break;
 317
 318                 case LT_TOCLEVEL:
 319                         lex >> toclevel;
 320                         break;
 321
 322                 case LT_RESETARGS:
 323                         bool reset;
 324                         lex >> reset;
 325                         if (reset)
 326                                 latexargs_.clear();
 327                         break;
 328
 329                 case LT_ARGUMENT:
 330                         readArgument(lex);
 331                         break;
 332
 333                 case LT_NEED_PROTECT:
 334                         lex >> needprotect;
 335                         break;
 336
 337                 case LT_KEEPEMPTY:
 338                         lex >> keepempty;
 339                         break;
 340
 341                 case LT_FONT:
 342                         font = lyxRead(lex, font);
 343                         labelfont = font;
 344                         break;
 345
 346                 case LT_TEXTFONT:
 347                         font = lyxRead(lex, font);
 348                         break;
 349
 350                 case LT_LABELFONT:
 351                         labelfont = lyxRead(lex, labelfont);
 352                         break;
 353
 354                 case LT_NEXTNOINDENT:
 355                         lex >> nextnoindent;
 356                         break;
 357
 358                 case LT_COMMANDDEPTH:
 359                         lex >> commanddepth;
 360                         break;
 361
 362                 case LT_LATEXNAME:
 363                         lex >> latexname_;
 364                         break;
 365
 366                 case LT_LATEXPARAM:
 367                         lex >> latexparam_;
 368                         latexparam_ = subst(latexparam_, "&quot;", "\"");
 369                         break;
 370
 371                 case LT_LEFTDELIM:
 372                         lex >> leftdelim_;
 373                         break;
 374
 375                 case LT_RIGHTDELIM:
 376                         lex >> rightdelim_;
 377                         break;
 378
 379                 case LT_INNERTAG:
 380                         lex >> innertag_;
 381                         break;
 382
 383                 case LT_LABELTAG:
 384                         lex >> labeltag_;
 385                         break;
 386
 387                 case LT_ITEMTAG:
 388                         lex >> itemtag_;
 389                         break;
 390
 391                 case LT_PREAMBLE:
 392                         preamble_ = from_utf8(lex.getLongString("EndPreamble"));
 393                         break;
 394
 395                 case LT_LANGPREAMBLE:
 396                         langpreamble_ = from_utf8(lex.getLongString("EndLangPreamble"));
 397                         break;
 398
 399                 case LT_BABELPREAMBLE:
 400                         babelpreamble_ = from_utf8(lex.getLongString("EndBabelPreamble"));
 401                         break;
 402
 403                 case LT_LABELTYPE:
 404                         readLabelType(lex);
 405                         break;
 406
 407                 case LT_ENDLABELTYPE:
 408                         readEndLabelType(lex);
 409                         break;
 410
 411                 case LT_LEFTMARGIN:
 412                         lex >> leftmargin;
 413                         break;
 414
 415                 case LT_RIGHTMARGIN:
 416                         lex >> rightmargin;
 417                         break;
 418
 419                 case LT_LABELINDENT:
 420                         lex >> labelindent;
 421                         break;
 422
 423                 case LT_PARINDENT:
 424                         lex >> parindent;
 425                         break;
 426
 427                 case LT_PARSKIP:
 428                         lex >> parskip;
 429                         break;
 430
 431                 case LT_ITEMSEP:
 432                         lex >> itemsep;
 433                         break;
 434
 435                 case LT_TOPSEP:
 436                         lex >> topsep;
 437                         break;
 438
 439                 case LT_BOTTOMSEP:
 440                         lex >> bottomsep;
 441                         break;
 442
 443                 case LT_LABEL_BOTTOMSEP:
 444                         lex >> labelbottomsep;
 445                         break;
 446
 447                 case LT_LABELSEP:
 448                         lex >> labelsep;
 449                         labelsep = subst(labelsep, 'x', ' ');
 450                         break;
 451
 452                 case LT_PARSEP:
 453                         lex >> parsep;
 454                         break;
 455
 456                 case LT_NEWLINE:
 457                         lex >> newline_allowed;
 458                         break;
 459
 460                 case LT_ALIGN:
 461                         readAlign(lex);
 462                         break;
 463
 464                 case LT_ALIGNPOSSIBLE:
 465                         readAlignPossible(lex);
 466                         break;
 467
 468                 case LT_LABELSTRING:
 469                         // FIXME: this means LT_ENDLABELSTRING may only
 470                         // occur after LT_LABELSTRING
 471                         lex >> labelstring_;
 472                         labelstring_ = trim(labelstring_);
 473                         labelstring_appendix_ = labelstring_;
 474                         break;
 475
 476                 case LT_ENDLABELSTRING:
 477                         lex >> endlabelstring_;
 478                         endlabelstring_ = trim(endlabelstring_);
 479                         break;
 480
 481                 case LT_LABELSTRING_APPENDIX:
 482                         lex >> labelstring_appendix_;
 483                         labelstring_appendix_ = trim(labelstring_appendix_);
 484                         break;
 485
 486                 case LT_LABELCOUNTER:
 487                         lex >> counter;
 488                         counter = trim(counter);
 489                         break;
 490
 491                 case LT_FREE_SPACING:
 492                         lex >> free_spacing;
 493                         break;
 494
 495                 case LT_PASS_THRU:
 496                         lex >> pass_thru;
 497                         break;
 498
 499                 case LT_PARBREAK_IS_NEWLINE:
 500                         lex >> parbreak_is_newline;
 501                         break;
 502
 503                 case LT_SPACING:
 504                         readSpacing(lex);
 505                         break;
 506
 507                 case LT_REQUIRES: {
 508                         lex.eatLine();
 509                         vector<string> const req =
 510                                 getVectorFromString(lex.getString());
 511                         requires_.insert(req.begin(), req.end());
 512                         break;
 513                 }
 514
 515                 case LT_REFPREFIX: {
 516                         docstring arg;
 517                         lex >> arg;
 518                         if (arg == "OFF")
 519                                 refprefix.clear();
 520                         else
 521                                 refprefix = arg;
 522                         break;
 523                 }
 524
 525                 case LT_HTMLTAG:
 526                         lex >> htmltag_;
 527                         break;
 528
 529                 case LT_HTMLATTR:
 530                         lex >> htmlattr_;
 531                         break;
 532
 533                 case LT_HTMLITEM:
 534                         lex >> htmlitemtag_;
 535                         break;
 536
 537                 case LT_HTMLITEMATTR:
 538                         lex >> htmlitemattr_;
 539                         break;
 540
 541                 case LT_HTMLLABEL:
 542                         lex >> htmllabeltag_;
 543                         break;
 544
 545                 case LT_HTMLLABELATTR:
 546                         lex >> htmllabelattr_;
 547                         break;
 548
 549                 case LT_HTMLLABELFIRST:
 550                         lex >> htmllabelfirst_;
 551                         break;
 552
 553                 case LT_HTMLSTYLE:
 554                         htmlstyle_ = from_utf8(lex.getLongString("EndHTMLStyle"));
 555                         break;
 556
 557                 case LT_HTMLFORCECSS:
 558                         lex >> htmlforcecss_;
 559                         break;
 560
 561                 case LT_HTMLPREAMBLE:
 562                         htmlpreamble_ = from_utf8(lex.getLongString("EndPreamble"));
 563                         break;
 564
 565                 case LT_HTMLTITLE:
 566                         lex >> htmltitle_;
 567                         break;
 568
 569                 case LT_SPELLCHECK:
 570                         lex >> spellcheck;
 571                         break;
 572                 }
 573         }
 574         lex.popTable();
 575         // make sure we only have inpreamble = true for commands
 576         if (inpreamble && latextype != LATEX_COMMAND && latextype != LATEX_PARAGRAPH) {
 577                 LYXERR0("InPreamble not permitted except with command and paragraph layouts.");
 578                 LYXERR0("Layout name: " << name());
 579                 inpreamble = false;
 580         }
 581
 582         return finished && !error;
 583 }
 584
 585
 586 enum {
 587         AT_BLOCK = 1,
 588         AT_LEFT,
 589         AT_RIGHT,
 590         AT_CENTER,
 591         AT_LAYOUT
 592 };
 593
 594
 595 LexerKeyword alignTags[] = {
 596         { "block",  AT_BLOCK },
 597         { "center", AT_CENTER },
 598         { "layout", AT_LAYOUT },
 599         { "left",   AT_LEFT },
 600         { "right",  AT_RIGHT }
 601 };
 602
 603
 604 void Layout::readAlign(Lexer & lex)
 605 {
 606         PushPopHelper pph(lex, alignTags);
 607         int le = lex.lex();
 608         switch (le) {
 609         case Lexer::LEX_UNDEF:
 610                 lex.printError("Unknown alignment `$$Token'");
 611                 return;
 612         default: break;
 613         };
 614         switch (le) {
 615         case AT_BLOCK:
 616                 align = LYX_ALIGN_BLOCK;
 617                 break;
 618         case AT_LEFT:
 619                 align = LYX_ALIGN_LEFT;
 620                 break;
 621         case AT_RIGHT:
 622                 align = LYX_ALIGN_RIGHT;
 623                 break;
 624         case AT_CENTER:
 625                 align = LYX_ALIGN_CENTER;
 626                 break;
 627         case AT_LAYOUT:
 628                 align = LYX_ALIGN_LAYOUT;
 629                 break;
 630         }
 631 }
 632
 633
 634 void Layout::readAlignPossible(Lexer & lex)
 635 {
 636         lex.pushTable(alignTags);
 637         alignpossible = LYX_ALIGN_NONE | LYX_ALIGN_LAYOUT;
 638         int lineno = lex.lineNumber();
 639         do {
 640                 int le = lex.lex();
 641                 switch (le) {
 642                 case Lexer::LEX_UNDEF:
 643                         lex.printError("Unknown alignment `$$Token'");
 644                         continue;
 645                 default: break;
 646                 };
 647                 switch (le) {
 648                 case AT_BLOCK:
 649                         alignpossible |= LYX_ALIGN_BLOCK;
 650                         break;
 651                 case AT_LEFT:
 652                         alignpossible |= LYX_ALIGN_LEFT;
 653                         break;
 654                 case AT_RIGHT:
 655                         alignpossible |= LYX_ALIGN_RIGHT;
 656                         break;
 657                 case AT_CENTER:
 658                         alignpossible |= LYX_ALIGN_CENTER;
 659                         break;
 660                 case AT_LAYOUT:
 661                         alignpossible |= LYX_ALIGN_LAYOUT;
 662                         break;
 663                 }
 664         } while (lineno == lex.lineNumber());
 665         lex.popTable();
 666 }
 667
 668
 669 void Layout::readLabelType(Lexer & lex)
 670 {
 671         enum {
 672                 LA_NO_LABEL = 1,
 673                 LA_MANUAL,
 674                 LA_TOP_ENVIRONMENT,
 675                 LA_CENTERED_TOP_ENVIRONMENT,
 676                 LA_STATIC,
 677                 LA_SENSITIVE,
 678                 LA_COUNTER,
 679                 LA_ENUMERATE,
 680                 LA_ITEMIZE,
 681                 LA_BIBLIO
 682         };
 683
 684
 685         LexerKeyword labelTypeTags[] = {
 686                 { "bibliography",             LA_BIBLIO },
 687                 { "centered_top_environment", LA_CENTERED_TOP_ENVIRONMENT },
 688                 { "counter",                  LA_COUNTER },
 689                 { "enumerate",                LA_ENUMERATE },
 690                 { "itemize",                  LA_ITEMIZE },
 691                 { "manual",                   LA_MANUAL },
 692                 { "no_label",                 LA_NO_LABEL },
 693                 { "sensitive",                LA_SENSITIVE },
 694                 { "static",                   LA_STATIC },
 695                 { "top_environment",          LA_TOP_ENVIRONMENT }
 696         };
 697
 698         PushPopHelper pph(lex, labelTypeTags);
 699         int le = lex.lex();
 700         switch (le) {
 701         case Lexer::LEX_UNDEF:
 702                 lex.printError("Unknown labeltype tag `$$Token'");
 703                 return;
 704         default: break;
 705         }
 706         switch (le) {
 707         case LA_NO_LABEL:
 708                 labeltype = LABEL_NO_LABEL;
 709                 break;
 710         case LA_MANUAL:
 711                 labeltype = LABEL_MANUAL;
 712                 break;
 713         case LA_TOP_ENVIRONMENT:
 714                 labeltype = LABEL_TOP_ENVIRONMENT;
 715                 break;
 716         case LA_CENTERED_TOP_ENVIRONMENT:
 717                 labeltype = LABEL_CENTERED_TOP_ENVIRONMENT;
 718                 break;
 719         case LA_STATIC:
 720                 labeltype = LABEL_STATIC;
 721                 break;
 722         case LA_SENSITIVE:
 723                 labeltype = LABEL_SENSITIVE;
 724                 break;
 725         case LA_COUNTER:
 726                 labeltype = LABEL_COUNTER;
 727                 break;
 728         case LA_ENUMERATE:
 729                 labeltype = LABEL_ENUMERATE;
 730                 break;
 731         case LA_ITEMIZE:
 732                 labeltype = LABEL_ITEMIZE;
 733                 break;
 734         case LA_BIBLIO:
 735                 labeltype = LABEL_BIBLIO;
 736                 break;
 737         }
 738 }
 739
 740
 741 void Layout::readEndLabelType(Lexer & lex)
 742 {
 743         static LexerKeyword endlabelTypeTags[] = {
 744                 { "box",              END_LABEL_BOX },
 745                 { "filled_box", END_LABEL_FILLED_BOX },
 746                 { "no_label",     END_LABEL_NO_LABEL },
 747                 { "static",     END_LABEL_STATIC }
 748         };
 749
 750         PushPopHelper pph(lex, endlabelTypeTags);
 751         int le = lex.lex();
 752         switch (le) {
 753         case Lexer::LEX_UNDEF:
 754                 lex.printError("Unknown labeltype tag `$$Token'");
 755                 break;
 756         case END_LABEL_STATIC:
 757         case END_LABEL_BOX:
 758         case END_LABEL_FILLED_BOX:
 759         case END_LABEL_NO_LABEL:
 760                 endlabeltype = static_cast<EndLabelType>(le);
 761                 break;
 762         default:
 763                 LYXERR0("Unhandled value " << le);
 764                 break;
 765         }
 766 }
 767
 768
 769 void Layout::readMargin(Lexer & lex)
 770 {
 771         LexerKeyword marginTags[] = {
 772                 { "dynamic",           MARGIN_DYNAMIC },
 773                 { "first_dynamic",     MARGIN_FIRST_DYNAMIC },
 774                 { "manual",            MARGIN_MANUAL },
 775                 { "right_address_box", MARGIN_RIGHT_ADDRESS_BOX },
 776                 { "static",            MARGIN_STATIC }
 777         };
 778
 779         PushPopHelper pph(lex, marginTags);
 780
 781         int le = lex.lex();
 782         switch (le) {
 783         case Lexer::LEX_UNDEF:
 784                 lex.printError("Unknown margin type tag `$$Token'");
 785                 return;
 786         case MARGIN_STATIC:
 787         case MARGIN_MANUAL:
 788         case MARGIN_DYNAMIC:
 789         case MARGIN_FIRST_DYNAMIC:
 790         case MARGIN_RIGHT_ADDRESS_BOX:
 791                 margintype = static_cast<MarginType>(le);
 792                 break;
 793         default:
 794                 LYXERR0("Unhandled value " << le);
 795                 break;
 796         }
 797 }
 798
 799
 800 void Layout::readLatexType(Lexer & lex)
 801 {
 802         LexerKeyword latexTypeTags[] = {
 803                 { "bib_environment",  LATEX_BIB_ENVIRONMENT },
 804                 { "command",          LATEX_COMMAND },
 805                 { "environment",      LATEX_ENVIRONMENT },
 806                 { "item_environment", LATEX_ITEM_ENVIRONMENT },
 807                 { "list_environment", LATEX_LIST_ENVIRONMENT },
 808                 { "paragraph",        LATEX_PARAGRAPH }
 809         };
 810
 811         PushPopHelper pph(lex, latexTypeTags);
 812         int le = lex.lex();
 813         switch (le) {
 814         case Lexer::LEX_UNDEF:
 815                 lex.printError("Unknown latextype tag `$$Token'");
 816                 return;
 817         case LATEX_PARAGRAPH:
 818         case LATEX_COMMAND:
 819         case LATEX_ENVIRONMENT:
 820         case LATEX_ITEM_ENVIRONMENT:
 821         case LATEX_BIB_ENVIRONMENT:
 822         case LATEX_LIST_ENVIRONMENT:
 823                 latextype = static_cast<LatexType>(le);
 824                 break;
 825         default:
 826                 LYXERR0("Unhandled value " << le);
 827                 break;
 828         }
 829 }
 830
 831
 832 void Layout::readSpacing(Lexer & lex)
 833 {
 834         enum {
 835                 ST_SPACING_SINGLE = 1,
 836                 ST_SPACING_ONEHALF,
 837                 ST_SPACING_DOUBLE,
 838                 ST_OTHER
 839         };
 840
 841         LexerKeyword spacingTags[] = {
 842                 {"double",  ST_SPACING_DOUBLE },
 843                 {"onehalf", ST_SPACING_ONEHALF },
 844                 {"other",   ST_OTHER },
 845                 {"single",  ST_SPACING_SINGLE }
 846         };
 847
 848         PushPopHelper pph(lex, spacingTags);
 849         int le = lex.lex();
 850         switch (le) {
 851         case Lexer::LEX_UNDEF:
 852                 lex.printError("Unknown spacing token `$$Token'");
 853                 return;
 854         default: break;
 855         }
 856         switch (le) {
 857         case ST_SPACING_SINGLE:
 858                 spacing.set(Spacing::Single);
 859                 break;
 860         case ST_SPACING_ONEHALF:
 861                 spacing.set(Spacing::Onehalf);
 862                 break;
 863         case ST_SPACING_DOUBLE:
 864                 spacing.set(Spacing::Double);
 865                 break;
 866         case ST_OTHER:
 867                 lex.next();
 868                 spacing.set(Spacing::Other, lex.getString());
 869                 break;
 870         }
 871 }
 872
 873
 874 void Layout::readArgument(Lexer & lex)
 875 {
 876         latexarg arg;
 877         arg.mandatory = false;
 878         bool error = false;
 879         bool finished = false;
 880         arg.font = inherit_font;
 881         arg.labelfont = inherit_font;
 882         unsigned int nr;
 883         lex >> nr;
 884         while (!finished && lex.isOK() && !error) {
 885                 lex.next();
 886                 string const tok = ascii_lowercase(lex.getString());
 887
 888                 if (tok.empty()) {
 889                         continue;
 890                 } else if (tok == "endargument") {
 891                         finished = true;
 892                 } else if (tok == "labelstring") {
 893                         lex.next();
 894                         arg.labelstring = lex.getDocString();
 895                 } else if (tok == "mandatory") {
 896                         lex.next();
 897                         arg.mandatory = lex.getBool();
 898                 } else if (tok == "leftdelim") {
 899                         lex.next();
 900                         arg.ldelim = lex.getDocString();
 901                 } else if (tok == "rightdelim") {
 902                         lex.next();
 903                         arg.rdelim = lex.getDocString();
 904                 } else if (tok == "tooltip") {
 905                         lex.next();
 906                         arg.tooltip = lex.getDocString();
 907                 } else if (tok == "requires") {
 908                         lex.next();
 909                         arg.requires = lex.getString();
 910                 } else if (tok == "decoration") {
 911                         lex.next();
 912                         arg.decoration = lex.getString();
 913                 } else if (tok == "font") {
 914                         arg.font = lyxRead(lex, arg.font);
 915                 } else if (tok == "labelfont") {
 916                         arg.labelfont = lyxRead(lex, arg.labelfont);
 917                 } else {
 918                         lex.printError("Unknown tag");
 919                         error = true;
 920                 }
 921         }
 922         if (arg.labelstring.empty())
 923                 LYXERR0("Incomplete Argument definition!");
 924         else
 925                 latexargs_[nr] = arg;
 926 }
 927
 928
 929 int Layout::optArgs() const
 930 {
 931         int nr = 0;
 932         LaTeXArgMap::const_iterator it = latexargs_.begin();
 933         for (; it != latexargs_.end(); ++it) {
 934                 if (!(*it).second.mandatory)
 935                         ++nr;
 936         }
 937         return nr;
 938 }
 939
 940
 941 int Layout::requiredArgs() const
 942 {
 943         int nr = 0;
 944         LaTeXArgMap::const_iterator it = latexargs_.begin();
 945         for (; it != latexargs_.end(); ++it) {
 946                 if ((*it).second.mandatory)
 947                         ++nr;
 948         }
 949         return nr;
 950 }
 951
 952
 953 string const & Layout::htmltag() const
 954 {
 955         if (htmltag_.empty())
 956                 htmltag_ =  "div";
 957         return htmltag_;
 958 }
 959
 960
 961 string const & Layout::htmlattr() const
 962 {
 963         if (htmlattr_.empty())
 964                 htmlattr_ = "class=\"" + defaultCSSClass() + "\"";
 965         return htmlattr_;
 966 }
 967
 968
 969 string const & Layout::htmlitemtag() const
 970 {
 971         if (htmlitemtag_.empty())
 972                 htmlitemtag_ = "div";
 973         return htmlitemtag_;
 974 }
 975
 976
 977 string const & Layout::htmlitemattr() const
 978 {
 979         if (htmlitemattr_.empty())
 980                 htmlitemattr_ = "class=\"" + defaultCSSItemClass() + "\"";
 981         return htmlitemattr_;
 982 }
 983
 984
 985 string const & Layout::htmllabeltag() const
 986 {
 987         if (htmllabeltag_.empty()) {
 988                 if (labeltype != LABEL_TOP_ENVIRONMENT &&
 989                     labeltype != LABEL_CENTERED_TOP_ENVIRONMENT)
 990                         htmllabeltag_ = "span";
 991                 else
 992                         htmllabeltag_ = "div";
 993         }
 994         return htmllabeltag_;
 995 }
 996
 997
 998 string const & Layout::htmllabelattr() const
 999 {
1000         if (htmllabelattr_.empty())
1001                 htmllabelattr_ = "class=\"" + defaultCSSLabelClass() + "\"";
1002         return htmllabelattr_;
1003 }
1004
1005
1006 docstring Layout::htmlstyle() const
1007 {
1008         if (!htmlstyle_.empty() && !htmlforcecss_)
1009                 return htmlstyle_;
1010         if (htmldefaultstyle_.empty())
1011                 makeDefaultCSS();
1012         docstring retval = htmldefaultstyle_;
1013         if (!htmlstyle_.empty())
1014                 retval += '\n' + htmlstyle_;
1015         return retval;
1016 }
1017
1018
1019 string Layout::defaultCSSClass() const
1020 {
1021         if (!defaultcssclass_.empty())
1022                 return defaultcssclass_;
1023         docstring d;
1024         docstring::const_iterator it = name().begin();
1025         docstring::const_iterator en = name().end();
1026         for (; it != en; ++it) {
1027                 char_type const c = *it;
1028                 if (!isAlphaASCII(c)) {
1029                         if (d.empty())
1030                                 // make sure we don't start with an underscore,
1031                                 // as that sometimes causes problems.
1032                                 d = from_ascii("lyx_");
1033                         else
1034                                 d += '_';
1035                 } else if (isLower(c))
1036                         d += c;
1037                 else
1038                         // this is slow, so do it only if necessary
1039                         d += lowercase(c);
1040         }
1041         defaultcssclass_ = to_utf8(d);
1042         return defaultcssclass_;
1043 }
1044
1045
1046 namespace {
1047
1048 string makeMarginValue(char const * side, double d)
1049 {
1050         ostringstream os;
1051         os << "margin-" << side << ": " << d << "ex;\n";
1052         return os.str();
1053 }
1054
1055 }
1056
1057
1058 void Layout::makeDefaultCSS() const
1059 {
1060         // this never needs to be redone, since reloading layouts will
1061         // wipe out what we did before.
1062         if (!htmldefaultstyle_.empty())
1063                 return;
1064
1065         // main font
1066         htmldefaultstyle_ = font.asCSS();
1067
1068         // bottom margins
1069         string tmp;
1070         if (topsep > 0)
1071                 tmp += makeMarginValue("top", topsep);
1072         if (bottomsep > 0)
1073                 tmp += makeMarginValue("bottom", bottomsep);
1074         if (!leftmargin.empty()) {
1075                 // we can't really do what LyX does with the margin, so
1076                 // we'll just figure out how many characters it is
1077                 int const len = leftmargin.length();
1078                 tmp += makeMarginValue("left", len);
1079         }
1080         if (!rightmargin.empty()) {
1081                 int const len = rightmargin.length();
1082                 tmp += makeMarginValue("right", len);
1083         }
1084
1085         if (!tmp.empty()) {
1086                 if (!htmldefaultstyle_.empty())
1087                         htmldefaultstyle_ += from_ascii("\n");
1088                 htmldefaultstyle_ += from_ascii(tmp);
1089         }
1090
1091 // tex2lyx does not see output_xhtml.cpp
1092 #ifndef TEX2LYX
1093         // alignment
1094         string where = alignmentToCSS(align);
1095         if (!where.empty()) {
1096                 htmldefaultstyle_ += from_ascii("text-align: " + where + ";\n");
1097         }
1098 #endif
1099
1100         // wrap up what we have, if anything
1101         if (!htmldefaultstyle_.empty())
1102                 htmldefaultstyle_ =
1103                         from_ascii(htmltag() + "." + defaultCSSClass() + " {\n") +
1104                         htmldefaultstyle_ + from_ascii("\n}\n");
1105
1106         if (labeltype == LABEL_NO_LABEL || htmllabeltag() == "NONE")
1107                 return;
1108
1109         docstring labelCSS;
1110
1111         // label font
1112         if (labelfont != font)
1113                 labelCSS = labelfont.asCSS() + from_ascii("\n");
1114         if (labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
1115                 labelCSS += from_ascii("text-align: center;\n");
1116
1117         if (!labelCSS.empty())
1118                 htmldefaultstyle_ +=
1119                         from_ascii(htmllabeltag() + "." + defaultCSSLabelClass() + " {\n") +
1120                         labelCSS + from_ascii("\n}\n");
1121 }
1122
1123
1124 bool Layout::operator==(Layout const & rhs) const
1125 {
1126         // This is enough for the applications we actually make,
1127         // at least at the moment. But we could check more.
1128         return name() == rhs.name()
1129                 && latexname() == rhs.latexname()
1130                 && latextype == rhs.latextype;
1131 }
1132
1133
1134 } // namespace lyx