src/TextClass.cpp

   1 /**
   2  * \file TextClass.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 Angus Leeming
   9  * \author John Levon
  10  * \author André Pönitz
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "TextClass.h"
  18
  19 #include "LayoutFile.h"
  20 #include "Color.h"
  21 #include "Counters.h"
  22 #include "Floating.h"
  23 #include "FloatList.h"
  24 #include "Layout.h"
  25 #include "Lexer.h"
  26 #include "Font.h"
  27
  28 #include "frontends/alert.h"
  29
  30 #include "support/debug.h"
  31 #include "support/ExceptionMessage.h"
  32 #include "support/FileName.h"
  33 #include "support/filetools.h"
  34 #include "support/gettext.h"
  35 #include "support/lstrings.h"
  36 #include "support/os.h"
  37
  38 #include <algorithm>
  39 #include <fstream>
  40 #include <sstream>
  41
  42 #include "boost/assert.hpp"
  43
  44 using namespace std;
  45 using namespace lyx::support;
  46
  47 namespace lyx {
  48
  49 namespace {
  50
  51 class LayoutNamesEqual : public unary_function<Layout, bool> {
  52 public:
  53         LayoutNamesEqual(docstring const & name)
  54                 : name_(name)
  55         {}
  56         bool operator()(Layout const & c) const
  57         {
  58                 return c.name() == name_;
  59         }
  60 private:
  61         docstring name_;
  62 };
  63
  64
  65 int const FORMAT = 7;
  66
  67
  68 bool layout2layout(FileName const & filename, FileName const & tempfile)
  69 {
  70         FileName const script = libFileSearch("scripts", "layout2layout.py");
  71         if (script.empty()) {
  72                 lyxerr << "Could not find layout conversion "
  73                           "script layout2layout.py." << endl;
  74                 return false;
  75         }
  76
  77         ostringstream command;
  78         command << os::python() << ' ' << quoteName(script.toFilesystemEncoding())
  79                 << ' ' << quoteName(filename.toFilesystemEncoding())
  80                 << ' ' << quoteName(tempfile.toFilesystemEncoding());
  81         string const command_str = command.str();
  82
  83         LYXERR(Debug::TCLASS, "Running `" << command_str << '\'');
  84
  85         cmd_ret const ret =
  86                 runCommand(command_str);
  87         if (ret.first != 0) {
  88                 lyxerr << "Could not run layout conversion "
  89                           "script layout2layout.py." << endl;
  90                 return false;
  91         }
  92         return true;
  93 }
  94
  95
  96 std::string translateRT(TextClass::ReadType rt)
  97 {
  98         switch (rt) {
  99         case TextClass::BASECLASS:
 100                 return "textclass";
 101         case TextClass::MERGE:
 102                 return "input file";
 103         case TextClass::MODULE:
 104                 return "module file";
 105         case TextClass::VALIDATION:
 106                 return "validation";
 107         }
 108         // shutup warning
 109         return string();
 110 }
 111
 112 } // namespace anon
 113
 114
 115 docstring const TextClass::emptylayout_ = from_ascii(N_("Plain Layout"));
 116
 117
 118 InsetLayout DocumentClass::empty_insetlayout_;
 119
 120
 121 TextClass::TextClass()
 122 {
 123         outputType_ = LATEX;
 124         columns_ = 1;
 125         sides_ = OneSide;
 126         secnumdepth_ = 3;
 127         tocdepth_ = 3;
 128         pagestyle_ = "default";
 129         defaultfont_ = sane_font;
 130         opt_fontsize_ = "10|11|12";
 131         opt_pagestyle_ = "empty|plain|headings|fancy";
 132         titletype_ = TITLE_COMMAND_AFTER;
 133         titlename_ = "maketitle";
 134         loaded_ = false;
 135 }
 136
 137
 138 bool TextClass::readStyle(Lexer & lexrc, Layout & lay)
 139 {
 140         LYXERR(Debug::TCLASS, "Reading style " << to_utf8(lay.name()));
 141         if (!lay.read(lexrc, *this)) {
 142                 lyxerr << "Error parsing style `" << to_utf8(lay.name()) << '\'' << endl;
 143                 return false;
 144         }
 145         // Resolve fonts
 146         lay.resfont = lay.font;
 147         lay.resfont.realize(defaultfont_);
 148         lay.reslabelfont = lay.labelfont;
 149         lay.reslabelfont.realize(defaultfont_);
 150         return true; // no errors
 151 }
 152
 153
 154 enum TextClassTags {
 155         TC_OUTPUTTYPE = 1,
 156         TC_INPUT,
 157         TC_STYLE,
 158         TC_DEFAULTSTYLE,
 159         TC_INSETLAYOUT,
 160         TC_ENVIRONMENT,
 161         TC_NOSTYLE,
 162         TC_COLUMNS,
 163         TC_SIDES,
 164         TC_PAGESTYLE,
 165         TC_DEFAULTFONT,
 166         TC_SECNUMDEPTH,
 167         TC_TOCDEPTH,
 168         TC_CLASSOPTIONS,
 169         TC_PREAMBLE,
 170         TC_PROVIDES,
 171         TC_REQUIRES,
 172         TC_LEFTMARGIN,
 173         TC_RIGHTMARGIN,
 174         TC_FLOAT,
 175         TC_COUNTER,
 176         TC_NOFLOAT,
 177         TC_TITLELATEXNAME,
 178         TC_TITLELATEXTYPE,
 179         TC_FORMAT,
 180         TC_ADDTOPREAMBLE
 181 };
 182
 183
 184 namespace {
 185
 186         LexerKeyword textClassTags[] = {
 187                 { "addtopreamble",   TC_ADDTOPREAMBLE },
 188                 { "classoptions",    TC_CLASSOPTIONS },
 189                 { "columns",         TC_COLUMNS },
 190                 { "counter",         TC_COUNTER },
 191                 { "defaultfont",     TC_DEFAULTFONT },
 192                 { "defaultstyle",    TC_DEFAULTSTYLE },
 193                 { "environment",     TC_ENVIRONMENT },
 194                 { "float",           TC_FLOAT },
 195                 { "format",          TC_FORMAT },
 196                 { "input",           TC_INPUT },
 197                 { "insetlayout",     TC_INSETLAYOUT },
 198                 { "leftmargin",      TC_LEFTMARGIN },
 199                 { "nofloat",         TC_NOFLOAT },
 200                 { "nostyle",         TC_NOSTYLE },
 201                 { "outputtype",      TC_OUTPUTTYPE },
 202                 { "pagestyle",       TC_PAGESTYLE },
 203                 { "preamble",        TC_PREAMBLE },
 204                 { "provides",        TC_PROVIDES },
 205                 { "requires",        TC_REQUIRES },
 206                 { "rightmargin",     TC_RIGHTMARGIN },
 207                 { "secnumdepth",     TC_SECNUMDEPTH },
 208                 { "sides",           TC_SIDES },
 209                 { "style",           TC_STYLE },
 210                 { "titlelatexname",  TC_TITLELATEXNAME },
 211                 { "titlelatextype",  TC_TITLELATEXTYPE },
 212                 { "tocdepth",        TC_TOCDEPTH }
 213         };
 214
 215 } //namespace anon
 216
 217
 218 bool TextClass::convertLayoutFormat(support::FileName const & filename, ReadType rt)
 219 {
 220         LYXERR(Debug::TCLASS, "Converting layout file to " << FORMAT);
 221                 FileName const tempfile = FileName::tempName();
 222                 bool success = layout2layout(filename, tempfile);
 223                 if (success)
 224                         success = read(tempfile, rt);
 225                 tempfile.removeFile();
 226                 return success;
 227 }
 228
 229 bool TextClass::read(FileName const & filename, ReadType rt)
 230 {
 231         if (!filename.isReadableFile()) {
 232                 lyxerr << "Cannot read layout file `" << filename << "'."
 233                        << endl;
 234                 return false;
 235         }
 236
 237         LYXERR(Debug::TCLASS, "Reading " + translateRT(rt) + ": " +
 238                 to_utf8(makeDisplayPath(filename.absFilename())));
 239
 240         // Define the `empty' layout used in table cells, ert, etc. Note that
 241         // we do this before loading any layout file, so that classes can
 242         // override features of this layout if they should choose to do so.
 243         if (rt == BASECLASS && !hasLayout(emptylayout_)) {
 244                 static char const * s = "Margin Static\n"
 245                         "LatexType Paragraph\n"
 246                         "LatexName dummy\n"
 247                         "Align Block\n"
 248                         "AlignPossible Left, Right, Center\n"
 249                         "LabelType No_Label\n"
 250                         "End";
 251                 istringstream ss(s);
 252                 Lexer lex(textClassTags);
 253                 lex.setStream(ss);
 254                 Layout lay;
 255                 lay.setName(emptylayout_);
 256                 if (!readStyle(lex, lay)) {
 257                         // The only way this happens is because the hardcoded layout above
 258                         // is wrong.
 259                         BOOST_ASSERT(false);
 260                 };
 261                 layoutlist_.push_back(lay);
 262         }
 263
 264         Lexer lexrc(textClassTags);
 265         lexrc.setFile(filename);
 266         ReturnValues retval = read(lexrc, rt);
 267
 268         LYXERR(Debug::TCLASS, "Finished reading " + translateRT(rt) + ": " +
 269                         to_utf8(makeDisplayPath(filename.absFilename())));
 270
 271         if (retval != FORMAT_MISMATCH)
 272                 return retval == OK;
 273
 274         bool const worx = convertLayoutFormat(filename, rt);
 275         if (!worx) {
 276                 lyxerr << "Unable to convert " << filename <<
 277                         " to format " << FORMAT << std::endl;
 278                 return false;
 279         }
 280         return true;
 281 }
 282
 283
 284 bool TextClass::validate(std::string const & str)
 285 {
 286         TextClass tc;
 287         return tc.read(str, VALIDATION);
 288 }
 289
 290
 291 bool TextClass::read(std::string const & str, ReadType rt)
 292 {
 293         Lexer lexrc(textClassTags);
 294         istringstream is(str);
 295         lexrc.setStream(is);
 296         ReturnValues retval = read(lexrc, rt);
 297
 298         if (retval != FORMAT_MISMATCH)
 299                 return retval == OK;
 300
 301         // write the layout string to a temporary file
 302         FileName const tempfile = FileName::tempName();
 303         ofstream os(tempfile.toFilesystemEncoding().c_str());
 304         if (!os) {
 305                 lyxerr << "Unable to create tempoary file in TextClass::read!!"
 306                         << std::endl;
 307                 return false;
 308         }
 309         os << str;
 310         os.close();
 311
 312         // now try to convert it
 313         bool const worx = convertLayoutFormat(tempfile, rt);
 314         if (!worx) {
 315                 lyxerr << "Unable to convert internal layout information to format "
 316                         << FORMAT << std::endl;
 317         }
 318         tempfile.removeFile();
 319         return worx;
 320 }
 321
 322
 323 // Reads a textclass structure from file.
 324 TextClass::ReturnValues TextClass::read(Lexer & lexrc, ReadType rt)
 325 {
 326         bool error = !lexrc.isOK();
 327
 328         // Format of files before the 'Format' tag was introduced
 329         int format = 1;
 330
 331         // parsing
 332         while (lexrc.isOK() && !error) {
 333                 int le = lexrc.lex();
 334
 335                 switch (le) {
 336                 case Lexer::LEX_FEOF:
 337                         continue;
 338
 339                 case Lexer::LEX_UNDEF:
 340                         lexrc.printError("Unknown TextClass tag `$$Token'");
 341                         error = true;
 342                         continue;
 343
 344                 default:
 345                         break;
 346                 }
 347
 348                 switch (static_cast<TextClassTags>(le)) {
 349
 350                 case TC_FORMAT:
 351                         if (lexrc.next())
 352                                 format = lexrc.getInteger();
 353                         break;
 354
 355                 case TC_OUTPUTTYPE:   // output type definition
 356                         readOutputType(lexrc);
 357                         break;
 358
 359                 case TC_INPUT: // Include file
 360                         if (lexrc.next()) {
 361                                 string const inc = lexrc.getString();
 362                                 FileName tmp = libFileSearch("layouts", inc,
 363                                                             "layout");
 364
 365                                 if (tmp.empty()) {
 366                                         lexrc.printError("Could not find input file: " + inc);
 367                                         error = true;
 368                                 } else if (!read(tmp, MERGE)) {
 369                                         lexrc.printError("Error reading input"
 370                                                          "file: " + tmp.absFilename());
 371                                         error = true;
 372                                 }
 373                         }
 374                         break;
 375
 376                 case TC_DEFAULTSTYLE:
 377                         if (lexrc.next()) {
 378                                 docstring const name = from_utf8(subst(lexrc.getString(),
 379                                                           '_', ' '));
 380                                 defaultlayout_ = name;
 381                         }
 382                         break;
 383
 384                 case TC_ENVIRONMENT:
 385                 case TC_STYLE:
 386                         if (lexrc.next()) {
 387                                 docstring const name = from_utf8(subst(lexrc.getString(),
 388                                                     '_', ' '));
 389                                 if (name.empty()) {
 390                                         string s = "Could not read name for style: `$$Token' "
 391                                                 + lexrc.getString() + " is probably not valid UTF-8!";
 392                                         lexrc.printError(s.c_str());
 393                                         Layout lay;
 394                                         // Since we couldn't read the name, we just scan the rest
 395                                         // of the style and discard it.
 396                                         error = !readStyle(lexrc, lay);
 397                                 } else if (hasLayout(name)) {
 398                                         Layout & lay = operator[](name);
 399                                         error = !readStyle(lexrc, lay);
 400                                 } else {
 401                                         Layout lay;
 402                                         lay.setName(name);
 403                                         if (le == TC_ENVIRONMENT)
 404                                                 lay.is_environment = true;
 405                                         error = !readStyle(lexrc, lay);
 406                                         if (!error)
 407                                                 layoutlist_.push_back(lay);
 408
 409                                         if (defaultlayout_.empty()) {
 410                                                 // We do not have a default layout yet, so we choose
 411                                                 // the first layout we encounter.
 412                                                 defaultlayout_ = name;
 413                                         }
 414                                 }
 415                         }
 416                         else {
 417                                 //FIXME Should we also eat the style here? viz:
 418                                 //Layout lay;
 419                                 //readStyle(lexrc, lay);
 420                                 //as above...
 421                                 lexrc.printError("No name given for style: `$$Token'.");
 422                                 error = true;
 423                         }
 424                         break;
 425
 426                 case TC_NOSTYLE:
 427                         if (lexrc.next()) {
 428                                 docstring const style = from_utf8(subst(lexrc.getString(),
 429                                                      '_', ' '));
 430                                 if (!deleteLayout(style))
 431                                         lyxerr << "Cannot delete style `"
 432                                                << to_utf8(style) << '\'' << endl;
 433                         }
 434                         break;
 435
 436                 case TC_COLUMNS:
 437                         if (lexrc.next())
 438                                 columns_ = lexrc.getInteger();
 439                         break;
 440
 441                 case TC_SIDES:
 442                         if (lexrc.next()) {
 443                                 switch (lexrc.getInteger()) {
 444                                 case 1: sides_ = OneSide; break;
 445                                 case 2: sides_ = TwoSides; break;
 446                                 default:
 447                                         lyxerr << "Impossible number of page"
 448                                                 " sides, setting to one."
 449                                                << endl;
 450                                         sides_ = OneSide;
 451                                         break;
 452                                 }
 453                         }
 454                         break;
 455
 456                 case TC_PAGESTYLE:
 457                         lexrc.next();
 458                         pagestyle_ = rtrim(lexrc.getString());
 459                         break;
 460
 461                 case TC_DEFAULTFONT:
 462                         defaultfont_ = lyxRead(lexrc);
 463                         if (!defaultfont_.resolved()) {
 464                                 lexrc.printError("Warning: defaultfont should "
 465                                                  "be fully instantiated!");
 466                                 defaultfont_.realize(sane_font);
 467                         }
 468                         break;
 469
 470                 case TC_SECNUMDEPTH:
 471                         lexrc.next();
 472                         secnumdepth_ = lexrc.getInteger();
 473                         break;
 474
 475                 case TC_TOCDEPTH:
 476                         lexrc.next();
 477                         tocdepth_ = lexrc.getInteger();
 478                         break;
 479
 480                 // First step to support options
 481                 case TC_CLASSOPTIONS:
 482                         readClassOptions(lexrc);
 483                         break;
 484
 485                 case TC_PREAMBLE:
 486                         preamble_ = from_utf8(lexrc.getLongString("EndPreamble"));
 487                         break;
 488
 489                 case TC_ADDTOPREAMBLE:
 490                         preamble_ += from_utf8(lexrc.getLongString("EndPreamble"));
 491                         break;
 492
 493                 case TC_PROVIDES: {
 494                         lexrc.next();
 495                         string const feature = lexrc.getString();
 496                         lexrc.next();
 497                         if (lexrc.getInteger())
 498                                 provides_.insert(feature);
 499                         else
 500                                 provides_.erase(feature);
 501                         break;
 502                 }
 503
 504                 case TC_REQUIRES: {
 505                         lexrc.eatLine();
 506                         vector<string> const req
 507                                 = getVectorFromString(lexrc.getString());
 508                         requires_.insert(req.begin(), req.end());
 509                         break;
 510                 }
 511
 512                 case TC_LEFTMARGIN:     // left margin type
 513                         if (lexrc.next())
 514                                 leftmargin_ = lexrc.getDocString();
 515                         break;
 516
 517                 case TC_RIGHTMARGIN:    // right margin type
 518                         if (lexrc.next())
 519                                 rightmargin_ = lexrc.getDocString();
 520                         break;
 521
 522                 case TC_INSETLAYOUT:
 523                         if (lexrc.next()) {
 524                                 InsetLayout il;
 525                                 if (il.read(lexrc)) {
 526                                         insetlayoutlist_[il.name()] = il;
 527                                 }
 528                                 // else there was an error, so forget it
 529                         }
 530                         break;
 531
 532                 case TC_FLOAT:
 533                         readFloat(lexrc);
 534                         break;
 535
 536                 case TC_COUNTER:
 537                         readCounter(lexrc);
 538                         break;
 539
 540                 case TC_TITLELATEXTYPE:
 541                         readTitleType(lexrc);
 542                         break;
 543
 544                 case TC_TITLELATEXNAME:
 545                         if (lexrc.next())
 546                                 titlename_ = lexrc.getString();
 547                         break;
 548
 549                 case TC_NOFLOAT:
 550                         if (lexrc.next()) {
 551                                 string const nofloat = lexrc.getString();
 552                                 floatlist_.erase(nofloat);
 553                         }
 554                         break;
 555                 }
 556
 557                 //Note that this is triggered the first time through the loop unless
 558                 //we hit a format tag.
 559                 if (format != FORMAT)
 560                         break;
 561         }
 562
 563         if (format != FORMAT)
 564                 return FORMAT_MISMATCH;
 565
 566         if (rt != BASECLASS)
 567                 return (error ? ERROR : OK);
 568
 569         if (defaultlayout_.empty()) {
 570                 lyxerr << "Error: Textclass '" << name_
 571                                                 << "' is missing a defaultstyle." << endl;
 572                 error = true;
 573         }
 574
 575         //Try to erase "stdinsets" from the provides_ set.
 576         //The
 577         //  Provides stdinsets 1
 578         //declaration simply tells us that the standard insets have been
 579         //defined. (It's found in stdinsets.inc but could also be used in
 580         //user-defined files.) There isn't really any such package. So we
 581         //might as well go ahead and erase it.
 582         //If we do not succeed, then it was not there, which means that
 583         //the textclass did not provide the definitions of the standard
 584         //insets. So we need to try to load them.
 585         int erased = provides_.erase("stdinsets");
 586         if (!erased) {
 587                 FileName tmp = libFileSearch("layouts", "stdinsets.inc");
 588
 589                 if (tmp.empty()) {
 590                         throw ExceptionMessage(WarningException, _("Missing File"),
 591                                 _("Could not find stdinsets.inc! This may lead to data loss!"));
 592                         error = true;
 593                 } else if (!read(tmp, MERGE)) {
 594                         throw ExceptionMessage(WarningException, _("Corrupt File"),
 595                                 _("Could not read stdinsets.inc! This may lead to data loss!"));
 596                         error = true;
 597                 }
 598         }
 599
 600         min_toclevel_ = Layout::NOT_IN_TOC;
 601         max_toclevel_ = Layout::NOT_IN_TOC;
 602         const_iterator lit = begin();
 603         const_iterator len = end();
 604         for (; lit != len; ++lit) {
 605                 int const toclevel = lit->toclevel;
 606                 if (toclevel != Layout::NOT_IN_TOC) {
 607                         if (min_toclevel_ == Layout::NOT_IN_TOC)
 608                                 min_toclevel_ = toclevel;
 609                         else
 610                                 min_toclevel_ = min(min_toclevel_, toclevel);
 611                         max_toclevel_ = max(max_toclevel_, toclevel);
 612                 }
 613         }
 614         LYXERR(Debug::TCLASS, "Minimum TocLevel is " << min_toclevel_
 615                 << ", maximum is " << max_toclevel_);
 616
 617         return (error ? ERROR : OK);
 618 }
 619
 620
 621 void TextClass::readTitleType(Lexer & lexrc)
 622 {
 623         LexerKeyword titleTypeTags[] = {
 624                 { "commandafter", TITLE_COMMAND_AFTER },
 625                 { "environment", TITLE_ENVIRONMENT }
 626         };
 627
 628         PushPopHelper pph(lexrc, titleTypeTags, TITLE_ENVIRONMENT);
 629
 630         int le = lexrc.lex();
 631         switch (le) {
 632         case Lexer::LEX_UNDEF:
 633                 lexrc.printError("Unknown output type `$$Token'");
 634                 return;
 635         case TITLE_COMMAND_AFTER:
 636         case TITLE_ENVIRONMENT:
 637                 titletype_ = static_cast<TitleLatexType>(le);
 638                 break;
 639         default:
 640                 lyxerr << "Unhandled value " << le
 641                        << " in TextClass::readTitleType." << endl;
 642
 643                 break;
 644         }
 645 }
 646
 647
 648 void TextClass::readOutputType(Lexer & lexrc)
 649 {
 650         LexerKeyword outputTypeTags[] = {
 651                 { "docbook", DOCBOOK },
 652                 { "latex", LATEX },
 653                 { "literate", LITERATE }
 654         };
 655
 656         PushPopHelper pph(lexrc, outputTypeTags, LITERATE);
 657
 658         int le = lexrc.lex();
 659         switch (le) {
 660         case Lexer::LEX_UNDEF:
 661                 lexrc.printError("Unknown output type `$$Token'");
 662                 return;
 663         case LATEX:
 664         case DOCBOOK:
 665         case LITERATE:
 666                 outputType_ = static_cast<OutputType>(le);
 667                 break;
 668         default:
 669                 lyxerr << "Unhandled value " << le
 670                        << " in TextClass::readOutputType." << endl;
 671
 672                 break;
 673         }
 674 }
 675
 676
 677 enum ClassOptionsTags {
 678         CO_FONTSIZE = 1,
 679         CO_PAGESTYLE,
 680         CO_OTHER,
 681         CO_HEADER,
 682         CO_END
 683 };
 684
 685
 686 void TextClass::readClassOptions(Lexer & lexrc)
 687 {
 688         LexerKeyword classOptionsTags[] = {
 689                 {"end", CO_END },
 690                 {"fontsize", CO_FONTSIZE },
 691                 {"header", CO_HEADER },
 692                 {"other", CO_OTHER },
 693                 {"pagestyle", CO_PAGESTYLE }
 694         };
 695
 696         lexrc.pushTable(classOptionsTags);
 697         bool getout = false;
 698         while (!getout && lexrc.isOK()) {
 699                 int le = lexrc.lex();
 700                 switch (le) {
 701                 case Lexer::LEX_UNDEF:
 702                         lexrc.printError("Unknown ClassOption tag `$$Token'");
 703                         continue;
 704                 default: break;
 705                 }
 706                 switch (static_cast<ClassOptionsTags>(le)) {
 707                 case CO_FONTSIZE:
 708                         lexrc.next();
 709                         opt_fontsize_ = rtrim(lexrc.getString());
 710                         break;
 711                 case CO_PAGESTYLE:
 712                         lexrc.next();
 713                         opt_pagestyle_ = rtrim(lexrc.getString());
 714                         break;
 715                 case CO_OTHER:
 716                         lexrc.next();
 717                         options_ = lexrc.getString();
 718                         break;
 719                 case CO_HEADER:
 720                         lexrc.next();
 721                         class_header_ = subst(lexrc.getString(), "&quot;", "\"");
 722                         break;
 723                 case CO_END:
 724                         getout = true;
 725                         break;
 726                 }
 727         }
 728         lexrc.popTable();
 729 }
 730
 731
 732 enum FloatTags {
 733         FT_TYPE = 1,
 734         FT_NAME,
 735         FT_PLACEMENT,
 736         FT_EXT,
 737         FT_WITHIN,
 738         FT_STYLE,
 739         FT_LISTNAME,
 740         FT_BUILTIN,
 741         FT_END
 742 };
 743
 744
 745 void TextClass::readFloat(Lexer & lexrc)
 746 {
 747         LexerKeyword floatTags[] = {
 748                 { "end", FT_END },
 749                 { "extension", FT_EXT },
 750                 { "guiname", FT_NAME },
 751                 { "latexbuiltin", FT_BUILTIN },
 752                 { "listname", FT_LISTNAME },
 753                 { "numberwithin", FT_WITHIN },
 754                 { "placement", FT_PLACEMENT },
 755                 { "style", FT_STYLE },
 756                 { "type", FT_TYPE }
 757         };
 758
 759         lexrc.pushTable(floatTags);
 760
 761         string type;
 762         string placement;
 763         string ext;
 764         string within;
 765         string style;
 766         string name;
 767         string listName;
 768         bool builtin = false;
 769
 770         bool getout = false;
 771         while (!getout && lexrc.isOK()) {
 772                 int le = lexrc.lex();
 773                 switch (le) {
 774                 case Lexer::LEX_UNDEF:
 775                         lexrc.printError("Unknown float tag `$$Token'");
 776                         continue;
 777                 default: break;
 778                 }
 779                 switch (static_cast<FloatTags>(le)) {
 780                 case FT_TYPE:
 781                         lexrc.next();
 782                         type = lexrc.getString();
 783                         if (floatlist_.typeExist(type)) {
 784                                 Floating const & fl = floatlist_.getType(type);
 785                                 placement = fl.placement();
 786                                 ext = fl.ext();
 787                                 within = fl.within();
 788                                 style = fl.style();
 789                                 name = fl.name();
 790                                 listName = fl.listName();
 791                                 builtin = fl.builtin();
 792                         }
 793                         break;
 794                 case FT_NAME:
 795                         lexrc.next();
 796                         name = lexrc.getString();
 797                         break;
 798                 case FT_PLACEMENT:
 799                         lexrc.next();
 800                         placement = lexrc.getString();
 801                         break;
 802                 case FT_EXT:
 803                         lexrc.next();
 804                         ext = lexrc.getString();
 805                         break;
 806                 case FT_WITHIN:
 807                         lexrc.next();
 808                         within = lexrc.getString();
 809                         if (within == "none")
 810                                 within.erase();
 811                         break;
 812                 case FT_STYLE:
 813                         lexrc.next();
 814                         style = lexrc.getString();
 815                         break;
 816                 case FT_LISTNAME:
 817                         lexrc.next();
 818                         listName = lexrc.getString();
 819                         break;
 820                 case FT_BUILTIN:
 821                         lexrc.next();
 822                         builtin = lexrc.getBool();
 823                         break;
 824                 case FT_END:
 825                         getout = true;
 826                         break;
 827                 }
 828         }
 829
 830         // Here if have a full float if getout == true
 831         if (getout) {
 832                 Floating fl(type, placement, ext, within,
 833                             style, name, listName, builtin);
 834                 floatlist_.newFloat(fl);
 835                 // each float has its own counter
 836                 counters_.newCounter(from_ascii(type), from_ascii(within),
 837                                       docstring(), docstring());
 838                 // also define sub-float counters
 839                 docstring const subtype = "sub-" + from_ascii(type);
 840                 counters_.newCounter(subtype, from_ascii(type),
 841                                       "\\alph{" + subtype + "}", docstring());
 842         }
 843
 844         lexrc.popTable();
 845 }
 846
 847
 848 enum CounterTags {
 849         CT_NAME = 1,
 850         CT_WITHIN,
 851         CT_LABELSTRING,
 852         CT_LABELSTRING_APPENDIX,
 853         CT_END
 854 };
 855
 856
 857 void TextClass::readCounter(Lexer & lexrc)
 858 {
 859         LexerKeyword counterTags[] = {
 860                 { "end", CT_END },
 861                 { "labelstring", CT_LABELSTRING },
 862                 { "labelstringappendix", CT_LABELSTRING_APPENDIX },
 863                 { "name", CT_NAME },
 864                 { "within", CT_WITHIN }
 865         };
 866
 867         lexrc.pushTable(counterTags);
 868
 869         docstring name;
 870         docstring within;
 871         docstring labelstring;
 872         docstring labelstring_appendix;
 873
 874         bool getout = false;
 875         while (!getout && lexrc.isOK()) {
 876                 int le = lexrc.lex();
 877                 switch (le) {
 878                 case Lexer::LEX_UNDEF:
 879                         lexrc.printError("Unknown counter tag `$$Token'");
 880                         continue;
 881                 default: break;
 882                 }
 883                 switch (static_cast<CounterTags>(le)) {
 884                 case CT_NAME:
 885                         lexrc.next();
 886                         name = lexrc.getDocString();
 887                         if (counters_.hasCounter(name))
 888                                 LYXERR(Debug::TCLASS, "Reading existing counter " << to_utf8(name));
 889                         else
 890                                 LYXERR(Debug::TCLASS, "Reading new counter " << to_utf8(name));
 891                         break;
 892                 case CT_WITHIN:
 893                         lexrc.next();
 894                         within = lexrc.getDocString();
 895                         if (within == "none")
 896                                 within.erase();
 897                         break;
 898                 case CT_LABELSTRING:
 899                         lexrc.next();
 900                         labelstring = lexrc.getDocString();
 901                         labelstring_appendix = labelstring;
 902                         break;
 903                 case CT_LABELSTRING_APPENDIX:
 904                         lexrc.next();
 905                         labelstring_appendix = lexrc.getDocString();
 906                         break;
 907                 case CT_END:
 908                         getout = true;
 909                         break;
 910                 }
 911         }
 912
 913         // Here if have a full counter if getout == true
 914         if (getout)
 915                 counters_.newCounter(name, within,
 916                                       labelstring, labelstring_appendix);
 917
 918         lexrc.popTable();
 919 }
 920
 921
 922 bool TextClass::hasLayout(docstring const & n) const
 923 {
 924         docstring const name = n.empty() ? defaultLayoutName() : n;
 925
 926         return find_if(layoutlist_.begin(), layoutlist_.end(),
 927                        LayoutNamesEqual(name))
 928                 != layoutlist_.end();
 929 }
 930
 931
 932
 933 Layout const & TextClass::operator[](docstring const & name) const
 934 {
 935         BOOST_ASSERT(!name.empty());
 936
 937         const_iterator it =
 938                 find_if(begin(), end(), LayoutNamesEqual(name));
 939
 940         if (it == end()) {
 941                 lyxerr << "We failed to find the layout '" << to_utf8(name)
 942                        << "' in the layout list. You MUST investigate!"
 943                        << endl;
 944                 for (const_iterator cit = begin(); cit != end(); ++cit)
 945                         lyxerr  << " " << to_utf8(cit->name()) << endl;
 946
 947                 // we require the name to exist
 948                 BOOST_ASSERT(false);
 949         }
 950
 951         return *it;
 952 }
 953
 954
 955 Layout & TextClass::operator[](docstring const & name)
 956 {
 957         BOOST_ASSERT(!name.empty());
 958
 959         iterator it = find_if(begin(), end(), LayoutNamesEqual(name));
 960
 961         if (it == end()) {
 962                 lyxerr << "We failed to find the layout '" << to_utf8(name)
 963                        << "' in the layout list. You MUST investigate!"
 964                        << endl;
 965                 for (const_iterator cit = begin(); cit != end(); ++cit)
 966                         lyxerr  << " " << to_utf8(cit->name()) << endl;
 967
 968                 // we require the name to exist
 969                 BOOST_ASSERT(false);
 970         }
 971
 972         return *it;
 973 }
 974
 975
 976 bool TextClass::deleteLayout(docstring const & name)
 977 {
 978         if (name == defaultLayoutName() || name == emptyLayoutName())
 979                 return false;
 980
 981         LayoutList::iterator it =
 982                 remove_if(layoutlist_.begin(), layoutlist_.end(),
 983                           LayoutNamesEqual(name));
 984
 985         LayoutList::iterator end = layoutlist_.end();
 986         bool const ret = (it != end);
 987         layoutlist_.erase(it, end);
 988         return ret;
 989 }
 990
 991
 992 // Load textclass info if not loaded yet
 993 bool TextClass::load(string const & path) const
 994 {
 995         if (loaded_)
 996                 return true;
 997
 998         // Read style-file, provided path is searched before the system ones
 999         FileName layout_file;
1000         if (!path.empty())
1001                 layout_file = FileName(addName(path, name_ + ".layout"));
1002         if (layout_file.empty() || !layout_file.exists())
1003                 layout_file = libFileSearch("layouts", name_, "layout");
1004         loaded_ = const_cast<TextClass*>(this)->read(layout_file);
1005
1006         if (!loaded_) {
1007                 lyxerr << "Error reading `"
1008                        << to_utf8(makeDisplayPath(layout_file.absFilename()))
1009                        << "'\n(Check `" << name_
1010                        << "')\nCheck your installation and "
1011                         "try Options/Reconfigure..." << endl;
1012         }
1013
1014         return loaded_;
1015 }
1016
1017
1018 InsetLayout const & DocumentClass::insetLayout(docstring const & name) const
1019 {
1020         docstring n = name;
1021         InsetLayouts::const_iterator cen = insetlayoutlist_.end();
1022         while (!n.empty()) {
1023                 InsetLayouts::const_iterator cit = insetlayoutlist_.lower_bound(n);
1024                 if (cit != cen && cit->first == n)
1025                         return cit->second;
1026                 size_t i = n.find(':');
1027                 if (i == string::npos)
1028                         break;
1029                 n = n.substr(0,i);
1030         }
1031         return empty_insetlayout_;
1032 }
1033
1034
1035 docstring const & TextClass::defaultLayoutName() const
1036 {
1037         // This really should come from the actual layout... (Lgb)
1038         return defaultlayout_;
1039 }
1040
1041
1042 Layout const & TextClass::defaultLayout() const
1043 {
1044         return operator[](defaultLayoutName());
1045 }
1046
1047
1048 bool TextClass::isDefaultLayout(Layout const & lay) const
1049 {
1050         return lay.name() == defaultLayoutName();
1051 }
1052
1053
1054 bool TextClass::isEmptyLayout(Layout const & lay) const
1055 {
1056         return lay.name() == emptyLayoutName();
1057 }
1058
1059
1060 DocumentClass & DocumentClassBundle::newClass(LayoutFile const & baseClass)
1061 {
1062         DocumentClass * dc = new DocumentClass(baseClass);
1063         tc_list_.push_back(dc);
1064         return *tc_list_.back();
1065 }
1066
1067
1068 DocumentClassBundle & DocumentClassBundle::get()
1069 {
1070         static DocumentClassBundle singleton;
1071         return singleton;
1072 }
1073
1074
1075 DocumentClass::DocumentClass(LayoutFile const & tc)
1076         : TextClass(tc)
1077 {}
1078
1079
1080 bool DocumentClass::hasLaTeXLayout(std::string const & lay) const
1081 {
1082         LayoutList::const_iterator it  = layoutlist_.begin();
1083         LayoutList::const_iterator end = layoutlist_.end();
1084         for (; it != end; ++it)
1085                 if (it->latexname() == lay)
1086                         return true;
1087         return false;
1088 }
1089
1090
1091 bool DocumentClass::provides(string const & p) const
1092 {
1093         return provides_.find(p) != provides_.end();
1094 }
1095
1096
1097 bool DocumentClass::hasTocLevels() const
1098 {
1099         return min_toclevel_ != Layout::NOT_IN_TOC;
1100 }
1101
1102
1103 ostream & operator<<(ostream & os, PageSides p)
1104 {
1105         switch (p) {
1106         case OneSide:
1107                 os << '1';
1108                 break;
1109         case TwoSides:
1110                 os << '2';
1111                 break;
1112         }
1113         return os;
1114 }
1115
1116
1117 } // namespace lyx