src/lyxtextclass.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2001 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #ifdef __GNUG__
  15 #pragma implementation
  16 #endif
  17
  18 #include "lyxtextclass.h"
  19 #include "debug.h"
  20 #include "lyxlex.h"
  21
  22 #include "support/lstrings.h"
  23 #include "support/LAssert.h"
  24 #include "support/lyxfunctional.h"
  25 #include "support/filetools.h"
  26
  27 #include <algorithm>
  28
  29 using std::endl;
  30 using std::find_if;
  31 using std::remove_if;
  32 using std::ostream;
  33
  34
  35 /* ******************************************************************* */
  36
  37 LyXTextClass::LyXTextClass(string const & fn, string const & cln,
  38                            string const & desc)
  39         : name_(fn), latexname_(cln), description_(desc)
  40 {
  41         outputType_ = LATEX;
  42         columns_ = 1;
  43         sides_ = OneSide;
  44         secnumdepth_ = 3;
  45         tocdepth_ = 3;
  46         pagestyle_ = "default";
  47         maxcounter_ = LABEL_COUNTER_CHAPTER;
  48         defaultfont_ = LyXFont(LyXFont::ALL_SANE);
  49         opt_fontsize_ = "10|11|12";
  50         opt_pagestyle_ = "empty|plain|headings|fancy";
  51         provides_ = nothing;
  52         loaded = false;
  53 }
  54
  55
  56 bool LyXTextClass::do_readStyle(LyXLex & lexrc, LyXLayout & lay)
  57 {
  58         lyxerr[Debug::TCLASS] << "Reading style " << lay.name() << endl;
  59         if (!lay.Read(lexrc, *this)) {
  60                 // Resolve fonts
  61                 lay.resfont = lay.font;
  62 #ifndef INHERIT_LANGUAGE
  63                 lay.resfont.realize(defaultfont());
  64                 lay.reslabelfont = lay.labelfont;
  65                 lay.reslabelfont.realize(defaultfont());
  66 #else
  67                 lay.resfont.realize(defaultfont(), default_language);
  68                 lay.reslabelfont = lay.labelfont;
  69                 lay.reslabelfont.realize(defaultfont(), default_language);
  70 #endif
  71                 return false; // no errors
  72         }
  73         lyxerr << "Error parsing style `" << lay.name() << "'" << endl;
  74         return true;
  75 }
  76
  77
  78 enum TextClassTags {
  79         TC_OUTPUTTYPE = 1,
  80         TC_INPUT,
  81         TC_STYLE,
  82         TC_DEFAULTSTYLE,
  83         TC_NOSTYLE,
  84         TC_COLUMNS,
  85         TC_SIDES,
  86         TC_PAGESTYLE,
  87         TC_DEFAULTFONT,
  88         TC_MAXCOUNTER,
  89         TC_SECNUMDEPTH,
  90         TC_TOCDEPTH,
  91         TC_CLASSOPTIONS,
  92         TC_PREAMBLE,
  93         TC_PROVIDESAMSMATH,
  94         TC_PROVIDESMAKEIDX,
  95         TC_PROVIDESURL,
  96         TC_LEFTMARGIN,
  97         TC_RIGHTMARGIN
  98 };
  99
 100
 101 // Reads a textclass structure from file.
 102 bool LyXTextClass::Read(string const & filename, bool merge)
 103 {
 104         keyword_item textClassTags[] = {
 105                 { "classoptions",    TC_CLASSOPTIONS },
 106                 { "columns",         TC_COLUMNS },
 107                 { "defaultfont",     TC_DEFAULTFONT },
 108                 { "defaultstyle",    TC_DEFAULTSTYLE },
 109                 { "input",           TC_INPUT },
 110                 { "leftmargin",      TC_LEFTMARGIN },
 111                 { "maxcounter",      TC_MAXCOUNTER },
 112                 { "nostyle",         TC_NOSTYLE },
 113                 { "outputtype",      TC_OUTPUTTYPE },
 114                 { "pagestyle",       TC_PAGESTYLE },
 115                 { "preamble",        TC_PREAMBLE },
 116                 { "providesamsmath", TC_PROVIDESAMSMATH },
 117                 { "providesmakeidx", TC_PROVIDESMAKEIDX },
 118                 { "providesurl",     TC_PROVIDESURL },
 119                 { "rightmargin",     TC_RIGHTMARGIN },
 120                 { "secnumdepth",     TC_SECNUMDEPTH },
 121                 { "sides",           TC_SIDES },
 122                 { "style",           TC_STYLE },
 123                 { "tocdepth",        TC_TOCDEPTH }
 124         };
 125
 126         if (!merge)
 127                 lyxerr[Debug::TCLASS] << "Reading textclass "
 128                                       << MakeDisplayPath(filename)
 129                                       << endl;
 130         else
 131                 lyxerr[Debug::TCLASS] << "Reading input file "
 132                                      << MakeDisplayPath(filename)
 133                                      << endl;
 134
 135         LyXLex lexrc(textClassTags, TC_RIGHTMARGIN);
 136         bool error = false;
 137
 138         lexrc.setFile(filename);
 139         if (!lexrc.isOK()) error = true;
 140
 141         // parsing
 142         while (lexrc.isOK() && !error) {
 143                 int le = lexrc.lex();
 144                 switch (le) {
 145                 case LyXLex::LEX_FEOF:
 146                         continue;
 147
 148                 case LyXLex::LEX_UNDEF:
 149                         lexrc.printError("Unknown TextClass tag `$$Token'");
 150                         error = true;
 151                         continue;
 152                 default: break;
 153                 }
 154                 switch (static_cast<TextClassTags>(le)) {
 155                 case TC_OUTPUTTYPE:   // output type definition
 156                         readOutputType(lexrc);
 157                         break;
 158
 159                 case TC_INPUT: // Include file
 160                         if (lexrc.next()) {
 161                                 string tmp = LibFileSearch("layouts",
 162                                                             lexrc.getString(),
 163                                                             "layout");
 164
 165                                 if (Read(tmp, true)) {
 166                                         lexrc.printError("Error reading input"
 167                                                          "file: "+tmp);
 168                                         error = true;
 169                                 }
 170                         }
 171                         break;
 172
 173                 case TC_DEFAULTSTYLE:
 174                         if (lexrc.next()) {
 175                                 string const name = subst(lexrc.getString(),
 176                                                           '_', ' ');
 177                                 defaultlayout_ = name;
 178                         }
 179                         break;
 180
 181                 case TC_STYLE:
 182                         if (lexrc.next()) {
 183                                 string const name = subst(lexrc.getString(),
 184                                                     '_', ' ');
 185                                 if (hasLayout(name)) {
 186                                         LyXLayout & lay = operator[](name);
 187                                         error = do_readStyle(lexrc, lay);
 188                                 } else {
 189                                         LyXLayout lay;
 190                                         lay.setName(name);
 191                                         if (!(error = do_readStyle(lexrc, lay)))
 192                                                 layoutlist.push_back(lay);
 193                                         if (defaultlayout_.empty()) {
 194                                                 // We do not have a default
 195                                                 // layout yet, so we choose
 196                                                 // the first layout we
 197                                                 // encounter.
 198                                                 defaultlayout_ = name;
 199                                         }
 200                                 }
 201                         }
 202                         else {
 203                                 lexrc.printError("No name given for style: `$$Token'.");
 204                                 error = true;
 205                         }
 206                         break;
 207
 208                 case TC_NOSTYLE:
 209                         if (lexrc.next()) {
 210                                 string const style = subst(lexrc.getString(),
 211                                                      '_', ' ');
 212                                 if (!delete_layout(style))
 213                                         lyxerr << "Cannot delete style `" << style << "'" << endl;
 214 //                                      lexrc.printError("Cannot delete style"
 215 //                                                       " `$$Token'");
 216                         }
 217                         break;
 218
 219                 case TC_COLUMNS:
 220                         if (lexrc.next())
 221                                 columns_ = lexrc.getInteger();
 222                         break;
 223
 224                 case TC_SIDES:
 225                         if (lexrc.next()) {
 226                                 switch (lexrc.getInteger()) {
 227                                 case 1: sides_ = OneSide; break;
 228                                 case 2: sides_ = TwoSides; break;
 229                                 default:
 230                                         lyxerr << "Impossible number of page"
 231                                                 " sides, setting to one."
 232                                                << endl;
 233                                         sides_ = OneSide;
 234                                         break;
 235                                 }
 236                         }
 237                         break;
 238
 239                 case TC_PAGESTYLE:
 240                         lexrc.next();
 241                         pagestyle_ = strip(lexrc.getString());
 242                         break;
 243
 244                 case TC_DEFAULTFONT:
 245                         defaultfont_.lyxRead(lexrc);
 246                         if (!defaultfont_.resolved()) {
 247                                 lexrc.printError("Warning: defaultfont should "
 248                                                  "be fully instantiated!");
 249 #ifndef INHERIT_LANGUAGE
 250                                 defaultfont_.realize(LyXFont(LyXFont::ALL_SANE));
 251 #else
 252                                 defaultfont_.realize(LyXFont(LyXFont::ALL_SANE),
 253                                                      default_language);
 254 #endif
 255                         }
 256                         break;
 257
 258                 case TC_MAXCOUNTER:
 259                         readMaxCounter(lexrc);
 260                         break;
 261
 262                 case TC_SECNUMDEPTH:
 263                         lexrc.next();
 264                         secnumdepth_ = lexrc.getInteger();
 265                         break;
 266
 267                 case TC_TOCDEPTH:
 268                         lexrc.next();
 269                         tocdepth_ = lexrc.getInteger();
 270                         break;
 271
 272                         // First step to support options
 273                 case TC_CLASSOPTIONS:
 274                         readClassOptions(lexrc);
 275                         break;
 276
 277                 case TC_PREAMBLE:
 278                         preamble_ = lexrc.getLongString("EndPreamble");
 279                         break;
 280
 281                 case TC_PROVIDESAMSMATH:
 282                         if (lexrc.next() && lexrc.getInteger())
 283                                 provides_ |= amsmath;
 284                         break;
 285
 286                 case TC_PROVIDESMAKEIDX:
 287                         if (lexrc.next() && lexrc.getInteger())
 288                                 provides_ |= makeidx;
 289                         break;
 290
 291                 case TC_PROVIDESURL:
 292                         if (lexrc.next() && lexrc.getInteger())
 293                                 provides_ = url;
 294                         break;
 295
 296                 case TC_LEFTMARGIN:     // left margin type
 297                         if (lexrc.next())
 298                                 leftmargin_ = lexrc.getString();
 299                         break;
 300
 301                 case TC_RIGHTMARGIN:    // right margin type
 302                         if (lexrc.next())
 303                                 rightmargin_ = lexrc.getString();
 304                         break;
 305                 }
 306         }
 307
 308         if (!merge) { // we are at top level here.
 309                 lyxerr[Debug::TCLASS] << "Finished reading textclass "
 310                                       << MakeDisplayPath(filename)
 311                                       << endl;
 312                 if (defaultlayout_.empty()) {
 313                         lyxerr << "Error: Textclass '" << name_
 314                                << "' is missing a defaultstyle." << endl;
 315                         error = true;
 316                 }
 317         } else
 318                 lyxerr[Debug::TCLASS] << "Finished reading input file "
 319                                       << MakeDisplayPath(filename)
 320                                       << endl;
 321
 322         return error;
 323 }
 324
 325
 326 void LyXTextClass::readOutputType(LyXLex & lexrc)
 327 {
 328         keyword_item outputTypeTags[] = {
 329                 { "docbook", DOCBOOK },
 330                 { "latex", LATEX },
 331                 { "linuxdoc", LINUXDOC },
 332                 { "literate", LITERATE }
 333         };
 334
 335         pushpophelper pph(lexrc, outputTypeTags, LITERATE);
 336
 337         int le = lexrc.lex();
 338         switch (le) {
 339         case LyXLex::LEX_UNDEF:
 340                 lexrc.printError("Unknown output type `$$Token'");
 341                 return;
 342         case LATEX:
 343         case LINUXDOC:
 344         case DOCBOOK:
 345         case LITERATE:
 346                 outputType_ = static_cast<OutputType>(le);
 347                 break;
 348         default:
 349                 lyxerr << "Unhandled value " << le
 350                        << " in LyXTextClass::readOutputType." << endl;
 351
 352                 break;
 353         }
 354 }
 355
 356
 357 enum MaxCounterTags {
 358         MC_COUNTER_CHAPTER = 1,
 359         MC_COUNTER_SECTION,
 360         MC_COUNTER_SUBSECTION,
 361         MC_COUNTER_SUBSUBSECTION,
 362         MC_COUNTER_PARAGRAPH,
 363         MC_COUNTER_SUBPARAGRAPH,
 364         MC_COUNTER_ENUMI,
 365         MC_COUNTER_ENUMII,
 366         MC_COUNTER_ENUMIII,
 367         MC_COUNTER_ENUMIV
 368 };
 369
 370
 371 void LyXTextClass::readMaxCounter(LyXLex & lexrc)
 372 {
 373         keyword_item maxCounterTags[] = {
 374                 {"counter_chapter", MC_COUNTER_CHAPTER },
 375                 {"counter_enumi", MC_COUNTER_ENUMI },
 376                 {"counter_enumii", MC_COUNTER_ENUMII },
 377                 {"counter_enumiii", MC_COUNTER_ENUMIII },
 378                 {"counter_enumiv", MC_COUNTER_ENUMIV },
 379                 {"counter_paragraph", MC_COUNTER_PARAGRAPH },
 380                 {"counter_section", MC_COUNTER_SECTION },
 381                 {"counter_subparagraph", MC_COUNTER_SUBPARAGRAPH },
 382                 {"counter_subsection", MC_COUNTER_SUBSECTION },
 383                 {"counter_subsubsection", MC_COUNTER_SUBSUBSECTION }
 384         };
 385
 386         pushpophelper pph(lexrc, maxCounterTags, MC_COUNTER_ENUMIV);
 387         int le = lexrc.lex();
 388         switch (le) {
 389         case LyXLex::LEX_UNDEF:
 390                 lexrc.printError("Unknown MaxCounter tag `$$Token'");
 391                 return;
 392         default: break;
 393         }
 394         switch (static_cast<MaxCounterTags>(le)) {
 395         case MC_COUNTER_CHAPTER:
 396                 maxcounter_ = LABEL_COUNTER_CHAPTER;
 397                 break;
 398         case MC_COUNTER_SECTION:
 399                 maxcounter_ = LABEL_COUNTER_SECTION;
 400                 break;
 401         case MC_COUNTER_SUBSECTION:
 402                 maxcounter_ = LABEL_COUNTER_SUBSECTION;
 403                 break;
 404         case MC_COUNTER_SUBSUBSECTION:
 405                 maxcounter_ = LABEL_COUNTER_SUBSUBSECTION;
 406                 break;
 407         case MC_COUNTER_PARAGRAPH:
 408                 maxcounter_ = LABEL_COUNTER_PARAGRAPH;
 409                 break;
 410         case MC_COUNTER_SUBPARAGRAPH:
 411                 maxcounter_ = LABEL_COUNTER_SUBPARAGRAPH;
 412                 break;
 413         case MC_COUNTER_ENUMI:
 414                 maxcounter_ = LABEL_COUNTER_ENUMI;
 415                 break;
 416         case MC_COUNTER_ENUMII:
 417                 maxcounter_ = LABEL_COUNTER_ENUMII;
 418                 break;
 419         case MC_COUNTER_ENUMIII:
 420                 maxcounter_ = LABEL_COUNTER_ENUMIII;
 421                 break;
 422         case MC_COUNTER_ENUMIV:
 423                 maxcounter_ = LABEL_COUNTER_ENUMIV;
 424                 break;
 425         }
 426 }
 427
 428
 429 enum ClassOptionsTags {
 430         CO_FONTSIZE = 1,
 431         CO_PAGESTYLE,
 432         CO_OTHER,
 433         CO_END
 434 };
 435
 436
 437 void LyXTextClass::readClassOptions(LyXLex & lexrc)
 438 {
 439         keyword_item classOptionsTags[] = {
 440                 {"end", CO_END },
 441                 {"fontsize", CO_FONTSIZE },
 442                 {"other", CO_OTHER },
 443                 {"pagestyle", CO_PAGESTYLE }
 444         };
 445
 446         lexrc.pushTable(classOptionsTags, CO_END);
 447         bool getout = false;
 448         while (!getout && lexrc.isOK()) {
 449                 int le = lexrc.lex();
 450                 switch (le) {
 451                 case LyXLex::LEX_UNDEF:
 452                         lexrc.printError("Unknown ClassOption tag `$$Token'");
 453                         continue;
 454                 default: break;
 455                 }
 456                 switch (static_cast<ClassOptionsTags>(le)) {
 457                 case CO_FONTSIZE:
 458                         lexrc.next();
 459                         opt_fontsize_ = strip(lexrc.getString());
 460                         break;
 461                 case CO_PAGESTYLE:
 462                         lexrc.next();
 463                         opt_pagestyle_ = strip(lexrc.getString());
 464                         break;
 465                 case CO_OTHER:
 466                         lexrc.next();
 467                         options_ = lexrc.getString();
 468                         break;
 469                 case CO_END:
 470                         getout = true;
 471                         break;
 472                 }
 473         }
 474         lexrc.popTable();
 475 }
 476
 477
 478 LyXFont const & LyXTextClass::defaultfont() const
 479 {
 480         return defaultfont_;
 481 }
 482
 483
 484 string const & LyXTextClass::leftmargin() const
 485 {
 486         return leftmargin_;
 487 }
 488
 489
 490 string const & LyXTextClass::rightmargin() const
 491 {
 492         return rightmargin_;
 493 }
 494
 495
 496 bool LyXTextClass::hasLayout(string const & n) const
 497 {
 498         string const name = (n.empty() ? defaultLayoutName() : n);
 499
 500         return find_if(layoutlist.begin(), layoutlist.end(),
 501                        lyx::compare_memfun(&LyXLayout::name, name))
 502                 != layoutlist.end();
 503 }
 504
 505
 506 LyXLayout const & LyXTextClass::operator[](string const & n) const
 507 {
 508         if (n.empty())
 509                 lyxerr << "Operator[] called with empty n" << endl;
 510
 511         string const name = (n.empty() ? defaultLayoutName() : n);
 512
 513         LayoutList::const_iterator cit =
 514                 find_if(layoutlist.begin(),
 515                         layoutlist.end(),
 516                         lyx::compare_memfun(&LyXLayout::name, name));
 517
 518         if (cit == layoutlist.end()) {
 519                 lyxerr << "We failed to find the layout '" << name
 520                        << "' in the layout list. You MUST investigate!"
 521                        << endl;
 522
 523                 // we require the name to exist
 524                 lyx::Assert(false);
 525         }
 526
 527         return *cit;
 528 }
 529
 530
 531 LyXLayout & LyXTextClass::operator[](string const & n)
 532 {
 533         if (n.empty())
 534                 lyxerr << "Operator[] called with empty n" << endl;
 535
 536         string const name = (n.empty() ? defaultLayoutName() : n);
 537
 538         LayoutList::iterator it =
 539                 find_if(layoutlist.begin(),
 540                         layoutlist.end(),
 541                         lyx::compare_memfun(&LyXLayout::name, name));
 542
 543         if (it == layoutlist.end()) {
 544                 lyxerr << "We failed to find the layout '" << name
 545                        << "' in the layout list. You MUST investigate!"
 546                        << endl;
 547
 548                 // we require the name to exist
 549                 lyx::Assert(false);
 550         }
 551
 552         return *it;
 553 }
 554
 555
 556 bool LyXTextClass::delete_layout(string const & name)
 557 {
 558         if (name == defaultLayoutName())
 559                 return false;
 560
 561         LayoutList::iterator it =
 562                 remove_if(layoutlist.begin(), layoutlist.end(),
 563                           lyx::compare_memfun(&LyXLayout::name, name));
 564         LayoutList::iterator end = layoutlist.end();
 565         bool const ret = (it != end);
 566         layoutlist.erase(it, end);
 567         return ret;
 568 }
 569
 570
 571 // Load textclass info if not loaded yet
 572 bool LyXTextClass::load() const
 573 {
 574         if (loaded)
 575                 return true;
 576
 577         // Read style-file
 578         string const real_file = LibFileSearch("layouts", name_, "layout");
 579
 580         if (const_cast<LyXTextClass*>(this)->Read(real_file)) {
 581                 lyxerr << "Error reading `"
 582                        << MakeDisplayPath(real_file)
 583                        << "'\n(Check `" << name_
 584                        << "')\nCheck your installation and "
 585                         "try Options/Reconfigure..." << endl;
 586                 loaded = false;
 587         }
 588         loaded = true;
 589         return loaded;
 590
 591 }
 592
 593
 594 string const LyXTextClass::defaultLayoutName() const
 595 {
 596         // This really should come from the actual layout... (Lgb)
 597         return defaultlayout_;
 598 }
 599
 600
 601 LyXLayout const & LyXTextClass::defaultLayout() const
 602 {
 603         return operator[](defaultLayoutName());
 604 }
 605
 606
 607 LyXLayout & LyXTextClass::defaultLayout()
 608 {
 609         return operator[](defaultLayoutName());
 610 }
 611
 612
 613 string const & LyXTextClass::name() const
 614 {
 615         return name_;
 616 }
 617
 618
 619 string const & LyXTextClass::latexname() const
 620 {
 621         const_cast<LyXTextClass*>(this)->load();
 622         return latexname_;
 623 }
 624
 625
 626 string const & LyXTextClass::description() const
 627 {
 628         return description_;
 629 }
 630
 631
 632 string const & LyXTextClass::opt_fontsize() const
 633 {
 634         return opt_fontsize_;
 635 }
 636
 637
 638 string const & LyXTextClass::opt_pagestyle() const
 639 {
 640         return opt_pagestyle_;
 641 }
 642
 643
 644 string const & LyXTextClass::options() const
 645 {
 646         return options_;
 647 }
 648
 649
 650 string const & LyXTextClass::pagestyle() const
 651 {
 652         return pagestyle_;
 653 }
 654
 655
 656 string const & LyXTextClass::preamble() const
 657 {
 658         return preamble_;
 659 }
 660
 661
 662 LyXTextClass::PageSides LyXTextClass::sides() const
 663 {
 664         return sides_;
 665 }
 666
 667
 668 int LyXTextClass::secnumdepth() const
 669 {
 670         return secnumdepth_;
 671 }
 672
 673
 674 int LyXTextClass::tocdepth() const
 675 {
 676         return tocdepth_;
 677 }
 678
 679
 680 OutputType LyXTextClass::outputType() const
 681 {
 682         return outputType_;
 683 }
 684
 685
 686 bool LyXTextClass::provides(LyXTextClass::Provides p) const
 687 {
 688         return provides_ & p;
 689 }
 690
 691
 692 unsigned int LyXTextClass::columns() const
 693 {
 694         return columns_;
 695 }
 696
 697
 698 int LyXTextClass::maxcounter() const
 699 {
 700         return maxcounter_;
 701 }
 702
 703
 704 int LyXTextClass::size() const
 705 {
 706         return layoutlist.size();
 707 }
 708
 709
 710 ostream & operator<<(ostream & os, LyXTextClass::PageSides p)
 711 {
 712         switch (p) {
 713         case LyXTextClass::OneSide:
 714                 os << "1";
 715                 break;
 716         case LyXTextClass::TwoSides:
 717                 os << "2";
 718                 break;
 719         }
 720         return os;
 721 }