src/insets/InsetInclude.cpp

   1 /**
   2  * \file InsetInclude.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 Richard Heck (conversion to InsetCommand)
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "InsetInclude.h"
  15
  16 #include "Buffer.h"
  17 #include "buffer_funcs.h"
  18 #include "BufferList.h"
  19 #include "BufferParams.h"
  20 #include "BufferView.h"
  21 #include "Cursor.h"
  22 #include "DispatchResult.h"
  23 #include "ErrorList.h"
  24 #include "Exporter.h"
  25 #include "Format.h"
  26 #include "FuncRequest.h"
  27 #include "FuncStatus.h"
  28 #include "LaTeXFeatures.h"
  29 #include "LayoutFile.h"
  30 #include "LayoutModuleList.h"
  31 #include "LyX.h"
  32 #include "LyXRC.h"
  33 #include "Lexer.h"
  34 #include "MetricsInfo.h"
  35 #include "output_xhtml.h"
  36 #include "OutputParams.h"
  37 #include "TextClass.h"
  38 #include "TocBackend.h"
  39
  40 #include "frontends/alert.h"
  41 #include "frontends/Painter.h"
  42
  43 #include "graphics/PreviewImage.h"
  44 #include "graphics/PreviewLoader.h"
  45
  46 #include "insets/InsetLabel.h"
  47 #include "insets/InsetListingsParams.h"
  48 #include "insets/RenderPreview.h"
  49
  50 #include "support/convert.h"
  51 #include "support/debug.h"
  52 #include "support/docstream.h"
  53 #include "support/FileNameList.h"
  54 #include "support/filetools.h"
  55 #include "support/gettext.h"
  56 #include "support/lassert.h"
  57 #include "support/lstrings.h" // contains
  58 #include "support/lyxalgo.h"
  59
  60 #include "support/bind.h"
  61
  62 using namespace std;
  63 using namespace lyx::support;
  64
  65 namespace lyx {
  66
  67 namespace Alert = frontend::Alert;
  68
  69
  70 namespace {
  71
  72 docstring const uniqueID()
  73 {
  74         static unsigned int seed = 1000;
  75         return "file" + convert<docstring>(++seed);
  76 }
  77
  78
  79 /// the type of inclusion
  80 enum Types {
  81         INCLUDE, VERB, INPUT, VERBAST, LISTINGS, NONE
  82 };
  83
  84
  85 Types type(string const & s)
  86 {
  87         if (s == "input")
  88                 return INPUT;
  89         if (s == "verbatiminput")
  90                 return VERB;
  91         if (s == "verbatiminput*")
  92                 return VERBAST;
  93         if (s == "lstinputlisting")
  94                 return LISTINGS;
  95         if (s == "include")
  96                 return INCLUDE;
  97         return NONE;
  98 }
  99
 100
 101 Types type(InsetCommandParams const & params)
 102 {
 103         return type(params.getCmdName());
 104 }
 105
 106
 107 bool isListings(InsetCommandParams const & params)
 108 {
 109         return type(params) == LISTINGS;
 110 }
 111
 112
 113 bool isVerbatim(InsetCommandParams const & params)
 114 {
 115         Types const t = type(params);
 116         return t == VERB || t == VERBAST;
 117 }
 118
 119
 120 bool isInputOrInclude(InsetCommandParams const & params)
 121 {
 122         Types const t = type(params);
 123         return t == INPUT || t == INCLUDE;
 124 }
 125
 126
 127 FileName const masterFileName(Buffer const & buffer)
 128 {
 129         return buffer.masterBuffer()->fileName();
 130 }
 131
 132
 133 void add_preview(RenderMonitoredPreview &, InsetInclude const &, Buffer const &);
 134
 135
 136 string const parentFileName(Buffer const & buffer)
 137 {
 138         return buffer.absFileName();
 139 }
 140
 141
 142 FileName const includedFileName(Buffer const & buffer,
 143                               InsetCommandParams const & params)
 144 {
 145         return makeAbsPath(to_utf8(params["filename"]),
 146                         onlyPath(parentFileName(buffer)));
 147 }
 148
 149
 150 InsetLabel * createLabel(Buffer * buf, docstring const & label_str)
 151 {
 152         if (label_str.empty())
 153                 return 0;
 154         InsetCommandParams icp(LABEL_CODE);
 155         icp["name"] = label_str;
 156         return new InsetLabel(buf, icp);
 157 }
 158
 159 } // namespace anon
 160
 161
 162 InsetInclude::InsetInclude(Buffer * buf, InsetCommandParams const & p)
 163         : InsetCommand(buf, p, "include"), include_label(uniqueID()),
 164           preview_(new RenderMonitoredPreview(this)), failedtoload_(false),
 165           set_label_(false), label_(0), child_buffer_(0)
 166 {
 167         preview_->fileChanged(bind(&InsetInclude::fileChanged, this));
 168
 169         if (isListings(params())) {
 170                 InsetListingsParams listing_params(to_utf8(p["lstparams"]));
 171                 label_ = createLabel(buffer_, from_utf8(listing_params.getParamValue("label")));
 172         }
 173 }
 174
 175
 176 InsetInclude::InsetInclude(InsetInclude const & other)
 177         : InsetCommand(other), include_label(other.include_label),
 178           preview_(new RenderMonitoredPreview(this)), failedtoload_(false),
 179           set_label_(false), label_(0), child_buffer_(0)
 180 {
 181         preview_->fileChanged(bind(&InsetInclude::fileChanged, this));
 182
 183         if (other.label_)
 184                 label_ = new InsetLabel(*other.label_);
 185 }
 186
 187
 188 InsetInclude::~InsetInclude()
 189 {
 190         if (isBufferLoaded())
 191                 buffer().invalidateBibfileCache();
 192         delete label_;
 193 }
 194
 195
 196 void InsetInclude::setBuffer(Buffer & buffer)
 197 {
 198         InsetCommand::setBuffer(buffer);
 199         if (label_)
 200                 label_->setBuffer(buffer);
 201 }
 202
 203
 204 void InsetInclude::setChildBuffer(Buffer * buffer)
 205 {
 206         child_buffer_ = buffer;
 207 }
 208
 209
 210 ParamInfo const & InsetInclude::findInfo(string const & /* cmdName */)
 211 {
 212         // FIXME
 213         // This is only correct for the case of listings, but it'll do for now.
 214         // In the other cases, this second parameter should just be empty.
 215         static ParamInfo param_info_;
 216         if (param_info_.empty()) {
 217                 param_info_.add("filename", ParamInfo::LATEX_REQUIRED);
 218                 param_info_.add("lstparams", ParamInfo::LATEX_OPTIONAL);
 219         }
 220         return param_info_;
 221 }
 222
 223
 224 bool InsetInclude::isCompatibleCommand(string const & s)
 225 {
 226         return type(s) != NONE;
 227 }
 228
 229
 230 void InsetInclude::doDispatch(Cursor & cur, FuncRequest & cmd)
 231 {
 232         switch (cmd.action()) {
 233
 234         case LFUN_INSET_EDIT: {
 235                 editIncluded(to_utf8(params()["filename"]));
 236                 break;
 237         }
 238
 239         case LFUN_INSET_MODIFY: {
 240                 // It should be OK just to invalidate the cache in setParams()
 241                 // If not....
 242                 // child_buffer_ = 0;
 243                 InsetCommandParams p(INCLUDE_CODE);
 244                 if (cmd.getArg(0) == "changetype") {
 245                         InsetCommand::doDispatch(cur, cmd);
 246                         p = params();
 247                 } else
 248                         InsetCommand::string2params("include", to_utf8(cmd.argument()), p);
 249                 if (!p.getCmdName().empty()) {
 250                         if (isListings(p)){
 251                                 InsetListingsParams new_params(to_utf8(p["lstparams"]));
 252                                 docstring const new_label =
 253                                         from_utf8(new_params.getParamValue("label"));
 254
 255                                 if (new_label.empty()) {
 256                                         delete label_;
 257                                         label_ = 0;
 258                                 } else {
 259                                         docstring old_label;
 260                                         if (label_)
 261                                                 old_label = label_->getParam("name");
 262                                         else {
 263                                                 label_ = createLabel(buffer_, new_label);
 264                                                 label_->setBuffer(buffer());
 265                                         }
 266
 267                                         if (new_label != old_label) {
 268                                                 label_->updateCommand(new_label);
 269                                                 // the label might have been adapted (duplicate)
 270                                                 if (new_label != label_->getParam("name")) {
 271                                                         new_params.addParam("label", "{" +
 272                                                                 to_utf8(label_->getParam("name")) + "}", true);
 273                                                         p["lstparams"] = from_utf8(new_params.params());
 274                                                 }
 275                                         }
 276                                 }
 277                         }
 278                         setParams(p);
 279                         cur.forceBufferUpdate();
 280                 } else
 281                         cur.noScreenUpdate();
 282                 break;
 283         }
 284
 285         //pass everything else up the chain
 286         default:
 287                 InsetCommand::doDispatch(cur, cmd);
 288                 break;
 289         }
 290 }
 291
 292
 293 void InsetInclude::editIncluded(string const & file)
 294 {
 295         string const ext = support::getExtension(file);
 296         if (ext == "lyx") {
 297                 FuncRequest fr(LFUN_BUFFER_CHILD_OPEN, file);
 298                 lyx::dispatch(fr);
 299         } else
 300                 // tex file or other text file in verbatim mode
 301                 formats.edit(buffer(),
 302                         support::makeAbsPath(file, support::onlyPath(buffer().absFileName())),
 303                         "text");
 304 }
 305
 306
 307 bool InsetInclude::getStatus(Cursor & cur, FuncRequest const & cmd,
 308                 FuncStatus & flag) const
 309 {
 310         switch (cmd.action()) {
 311
 312         case LFUN_INSET_EDIT:
 313                 flag.setEnabled(true);
 314                 return true;
 315
 316         case LFUN_INSET_MODIFY:
 317                 if (cmd.getArg(0) == "changetype")
 318                         return InsetCommand::getStatus(cur, cmd, flag);
 319                 else
 320                         flag.setEnabled(true);
 321                 return true;
 322
 323         default:
 324                 return InsetCommand::getStatus(cur, cmd, flag);
 325         }
 326 }
 327
 328
 329 void InsetInclude::setParams(InsetCommandParams const & p)
 330 {
 331         // invalidate the cache
 332         child_buffer_ = 0;
 333
 334         InsetCommand::setParams(p);
 335         set_label_ = false;
 336
 337         if (preview_->monitoring())
 338                 preview_->stopMonitoring();
 339
 340         if (type(params()) == INPUT)
 341                 add_preview(*preview_, *this, buffer());
 342
 343         buffer().invalidateBibfileCache();
 344 }
 345
 346
 347 bool InsetInclude::isChildIncluded() const
 348 {
 349         std::list<std::string> includeonlys =
 350                 buffer().params().getIncludedChildren();
 351         if (includeonlys.empty())
 352                 return true;
 353         return (std::find(includeonlys.begin(),
 354                           includeonlys.end(),
 355                           to_utf8(params()["filename"])) != includeonlys.end());
 356 }
 357
 358
 359 docstring InsetInclude::screenLabel() const
 360 {
 361         docstring temp;
 362
 363         switch (type(params())) {
 364                 case INPUT:
 365                         temp = buffer().B_("Input");
 366                         break;
 367                 case VERB:
 368                         temp = buffer().B_("Verbatim Input");
 369                         break;
 370                 case VERBAST:
 371                         temp = buffer().B_("Verbatim Input*");
 372                         break;
 373                 case INCLUDE:
 374                         if (isChildIncluded())
 375                                 temp = buffer().B_("Include");
 376                         else
 377                                 temp += buffer().B_("Include (excluded)");
 378                         break;
 379                 case LISTINGS:
 380                         temp = listings_label_;
 381                         break;
 382                 case NONE:
 383                         LASSERT(false, /**/);
 384         }
 385
 386         temp += ": ";
 387
 388         if (params()["filename"].empty())
 389                 temp += "???";
 390         else
 391                 temp += from_utf8(onlyFileName(to_utf8(params()["filename"])));
 392
 393         return temp;
 394 }
 395
 396
 397 Buffer * InsetInclude::getChildBuffer() const
 398 {
 399         Buffer * childBuffer = loadIfNeeded();
 400
 401         // FIXME: recursive includes
 402         return (childBuffer == &buffer()) ? 0 : childBuffer;
 403 }
 404
 405
 406 Buffer * InsetInclude::loadIfNeeded() const
 407 {
 408         // This is for background export and preview. We don't even want to
 409         // try to load the cloned child document again.
 410         if (buffer().isClone())
 411                 return child_buffer_;
 412
 413         // Don't try to load it again if we failed before.
 414         if (failedtoload_ || isVerbatim(params()) || isListings(params()))
 415                 return 0;
 416
 417         FileName const included_file = includedFileName(buffer(), params());
 418         // Use cached Buffer if possible.
 419         if (child_buffer_ != 0) {
 420                 if (theBufferList().isLoaded(child_buffer_)
 421                 // additional sanity check: make sure the Buffer really is
 422                     // associated with the file we want.
 423                     && child_buffer_ == theBufferList().getBuffer(included_file))
 424                         return child_buffer_;
 425                 // Buffer vanished, so invalidate cache and try to reload.
 426                 child_buffer_ = 0;
 427         }
 428
 429         if (!isLyXFileName(included_file.absFileName()))
 430                 return 0;
 431
 432         Buffer * child = theBufferList().getBuffer(included_file);
 433         if (!child) {
 434                 // the readonly flag can/will be wrong, not anymore I think.
 435                 if (!included_file.exists())
 436                         return 0;
 437
 438                 child = theBufferList().newBuffer(included_file.absFileName());
 439                 if (!child)
 440                         // Buffer creation is not possible.
 441                         return 0;
 442
 443                 if (!child->loadLyXFile(included_file)) {
 444                         failedtoload_ = true;
 445                         //close the buffer we just opened
 446                         theBufferList().release(child);
 447                         return 0;
 448                 }
 449
 450                 if (!child->errorList("Parse").empty()) {
 451                         // FIXME: Do something.
 452                 }
 453         }
 454         child->setParent(&buffer());
 455         // Cache the child buffer.
 456         child_buffer_ = child;
 457         return child;
 458 }
 459
 460
 461 int InsetInclude::latex(odocstream & os, OutputParams const & runparams) const
 462 {
 463         string incfile = to_utf8(params()["filename"]);
 464
 465         // Do nothing if no file name has been specified
 466         if (incfile.empty())
 467                 return 0;
 468
 469         FileName const included_file = includedFileName(buffer(), params());
 470
 471         // Check we're not trying to include ourselves.
 472         // FIXME RECURSIVE INCLUDE
 473         // This isn't sufficient, as the inclusion could be downstream.
 474         // But it'll have to do for now.
 475         if (isInputOrInclude(params()) &&
 476                 buffer().absFileName() == included_file.absFileName())
 477         {
 478                 Alert::error(_("Recursive input"),
 479                                bformat(_("Attempted to include file %1$s in itself! "
 480                                "Ignoring inclusion."), from_utf8(incfile)));
 481                 return 0;
 482         }
 483
 484         Buffer const * const masterBuffer = buffer().masterBuffer();
 485
 486         // if incfile is relative, make it relative to the master
 487         // buffer directory.
 488         if (!FileName::isAbsolute(incfile)) {
 489                 // FIXME UNICODE
 490                 incfile = to_utf8(makeRelPath(from_utf8(included_file.absFileName()),
 491                                               from_utf8(masterBuffer->filePath())));
 492         }
 493
 494         // write it to a file (so far the complete file)
 495         string exportfile;
 496         string mangled;
 497         // bug 5681
 498         if (type(params()) == LISTINGS) {
 499                 exportfile = incfile;
 500                 mangled = DocFileName(included_file).mangledFileName();
 501         } else {
 502                 exportfile = changeExtension(incfile, ".tex");
 503                 mangled = DocFileName(changeExtension(included_file.absFileName(), ".tex")).
 504                         mangledFileName();
 505         }
 506
 507         FileName const writefile(makeAbsPath(mangled, masterBuffer->temppath()));
 508
 509         if (!runparams.nice)
 510                 incfile = mangled;
 511         else if (!isValidLaTeXFileName(incfile)) {
 512                 frontend::Alert::warning(_("Invalid filename"),
 513                                          _("The following filename is likely to cause trouble "
 514                                            "when running the exported file through LaTeX: ") +
 515                                             from_utf8(incfile));
 516         }
 517         LYXERR(Debug::LATEX, "incfile:" << incfile);
 518         LYXERR(Debug::LATEX, "exportfile:" << exportfile);
 519         LYXERR(Debug::LATEX, "writefile:" << writefile);
 520
 521         if (runparams.inComment || runparams.dryrun) {
 522                 //Don't try to load or copy the file if we're
 523                 //in a comment or doing a dryrun
 524         } else if (isInputOrInclude(params()) &&
 525                  isLyXFileName(included_file.absFileName())) {
 526                 // if it's a LyX file and we're inputting or including,
 527                 // try to load it so we can write the associated latex
 528
 529                 Buffer * tmp = loadIfNeeded();
 530                 if (!tmp)
 531                         return false;
 532
 533                 if (tmp->params().baseClass() != masterBuffer->params().baseClass()) {
 534                         // FIXME UNICODE
 535                         docstring text = bformat(_("Included file `%1$s'\n"
 536                                 "has textclass `%2$s'\n"
 537                                 "while parent file has textclass `%3$s'."),
 538                                 included_file.displayName(),
 539                                 from_utf8(tmp->params().documentClass().name()),
 540                                 from_utf8(masterBuffer->params().documentClass().name()));
 541                         Alert::warning(_("Different textclasses"), text, true);
 542                 }
 543
 544                 // Make sure modules used in child are all included in master
 545                 // FIXME It might be worth loading the children's modules into the master
 546                 // over in BufferParams rather than doing this check.
 547                 LayoutModuleList const masterModules = masterBuffer->params().getModules();
 548                 LayoutModuleList const childModules = tmp->params().getModules();
 549                 LayoutModuleList::const_iterator it = childModules.begin();
 550                 LayoutModuleList::const_iterator end = childModules.end();
 551                 for (; it != end; ++it) {
 552                         string const module = *it;
 553                         LayoutModuleList::const_iterator found =
 554                                 find(masterModules.begin(), masterModules.end(), module);
 555                         if (found == masterModules.end()) {
 556                                 docstring text = bformat(_("Included file `%1$s'\n"
 557                                         "uses module `%2$s'\n"
 558                                         "which is not used in parent file."),
 559                                         included_file.displayName(), from_utf8(module));
 560                                 Alert::warning(_("Module not found"), text);
 561                         }
 562                 }
 563
 564                 tmp->markDepClean(masterBuffer->temppath());
 565
 566                 // FIXME: handle non existing files
 567                 // FIXME: Second argument is irrelevant!
 568                 // since only_body is true, makeLaTeXFile will not look at second
 569                 // argument. Should we set it to string(), or should makeLaTeXFile
 570                 // make use of it somehow? (JMarc 20031002)
 571                 // The included file might be written in a different encoding
 572                 // and language.
 573                 Encoding const * const oldEnc = runparams.encoding;
 574                 Language const * const oldLang = runparams.master_language;
 575                 runparams.encoding = &tmp->params().encoding();
 576                 runparams.master_language = buffer().params().language;
 577                 tmp->makeLaTeXFile(writefile,
 578                                    masterFileName(buffer()).onlyPath().absFileName(),
 579                                    runparams, false);
 580                 runparams.encoding = oldEnc;
 581                 runparams.master_language = oldLang;
 582         } else {
 583                 // In this case, it's not a LyX file, so we copy the file
 584                 // to the temp dir, so that .aux files etc. are not created
 585                 // in the original dir. Files included by this file will be
 586                 // found via input@path, see ../Buffer.cpp.
 587                 unsigned long const checksum_in  = included_file.checksum();
 588                 unsigned long const checksum_out = writefile.checksum();
 589
 590                 if (checksum_in != checksum_out) {
 591                         if (!included_file.copyTo(writefile)) {
 592                                 // FIXME UNICODE
 593                                 LYXERR(Debug::LATEX,
 594                                         to_utf8(bformat(_("Could not copy the file\n%1$s\n"
 595                                                                   "into the temporary directory."),
 596                                                    from_utf8(included_file.absFileName()))));
 597                                 return 0;
 598                         }
 599                 }
 600         }
 601
 602         string const tex_format = (runparams.flavor == OutputParams::LATEX) ?
 603                         "latex" : "pdflatex";
 604         switch (type(params())) {
 605         case VERB:
 606         case VERBAST: {
 607                 incfile = latex_path(incfile);
 608                 // FIXME UNICODE
 609                 os << '\\' << from_ascii(params().getCmdName()) << '{'
 610                    << from_utf8(incfile) << '}';
 611                 break;
 612         }
 613         case INPUT: {
 614                 runparams.exportdata->addExternalFile(tex_format, writefile,
 615                                                       exportfile);
 616
 617                 // \input wants file with extension (default is .tex)
 618                 if (!isLyXFileName(included_file.absFileName())) {
 619                         incfile = latex_path(incfile);
 620                         // FIXME UNICODE
 621                         os << '\\' << from_ascii(params().getCmdName())
 622                            << '{' << from_utf8(incfile) << '}';
 623                 } else {
 624                 incfile = changeExtension(incfile, ".tex");
 625                 incfile = latex_path(incfile);
 626                         // FIXME UNICODE
 627                         os << '\\' << from_ascii(params().getCmdName())
 628                            << '{' << from_utf8(incfile) <<  '}';
 629                 }
 630                 break;
 631         }
 632         case LISTINGS: {
 633                 os << '\\' << from_ascii(params().getCmdName());
 634                 string const opt = to_utf8(params()["lstparams"]);
 635                 // opt is set in QInclude dialog and should have passed validation.
 636                 InsetListingsParams params(opt);
 637                 if (!params.params().empty())
 638                         os << "[" << from_utf8(params.params()) << "]";
 639                 os << '{'  << from_utf8(incfile) << '}';
 640                 break;
 641         }
 642         case INCLUDE: {
 643                 runparams.exportdata->addExternalFile(tex_format, writefile,
 644                                                       exportfile);
 645
 646                 // \include don't want extension and demands that the
 647                 // file really have .tex
 648                 incfile = changeExtension(incfile, string());
 649                 incfile = latex_path(incfile);
 650                 // FIXME UNICODE
 651                 os << '\\' << from_ascii(params().getCmdName()) << '{'
 652                    << from_utf8(incfile) << '}';
 653                 break;
 654         }
 655         case NONE:
 656                 break;
 657         }
 658
 659         return 0;
 660 }
 661
 662
 663 docstring InsetInclude::xhtml(XHTMLStream & xs, OutputParams const &rp) const
 664 {
 665         if (rp.inComment)
 666                  return docstring();
 667
 668         // For verbatim and listings, we just include the contents of the file as-is.
 669         // In the case of listings, we wrap it in <pre>.
 670         bool const listing = isListings(params());
 671         if (listing || isVerbatim(params())) {
 672                 if (listing)
 673                         xs << html::StartTag("pre");
 674                 // FIXME: We don't know the encoding of the file, default to UTF-8.
 675                 xs << includedFileName(buffer(), params()).fileContents("UTF-8");
 676                 if (listing)
 677                         xs << html::EndTag("pre");
 678                 return docstring();
 679         }
 680
 681         // We don't (yet) know how to Input or Include non-LyX files.
 682         // (If we wanted to get really arcane, we could run some tex2html
 683         // converter on the included file. But that's just masochistic.)
 684         FileName const included_file = includedFileName(buffer(), params());
 685         if (!isLyXFileName(included_file.absFileName())) {
 686                 frontend::Alert::warning(_("Unsupported Inclusion"),
 687                                          bformat(_("LyX does not know how to include non-LyX files when "
 688                                                    "generating HTML output. Offending file:\n%1$s"),
 689                                                     params()["filename"]));
 690                 return docstring();
 691         }
 692
 693         // In the other cases, we will generate the HTML and include it.
 694
 695         // Check we're not trying to include ourselves.
 696         // FIXME RECURSIVE INCLUDE
 697         if (buffer().absFileName() == included_file.absFileName()) {
 698                 Alert::error(_("Recursive input"),
 699                                bformat(_("Attempted to include file %1$s in itself! "
 700                                "Ignoring inclusion."), params()["filename"]));
 701                 return docstring();
 702         }
 703
 704         Buffer const * const ibuf = loadIfNeeded();
 705         if (!ibuf)
 706                 return docstring();
 707         ibuf->writeLyXHTMLSource(xs.os(), rp, true);
 708         return docstring();
 709 }
 710
 711
 712 int InsetInclude::plaintext(odocstream & os, OutputParams const &) const
 713 {
 714         if (isVerbatim(params()) || isListings(params())) {
 715                 os << '[' << screenLabel() << '\n';
 716                 // FIXME: We don't know the encoding of the file, default to UTF-8.
 717                 os << includedFileName(buffer(), params()).fileContents("UTF-8");
 718                 os << "\n]";
 719                 return PLAINTEXT_NEWLINE + 1; // one char on a separate line
 720         } else {
 721                 docstring const str = '[' + screenLabel() + ']';
 722                 os << str;
 723                 return str.size();
 724         }
 725 }
 726
 727
 728 int InsetInclude::docbook(odocstream & os, OutputParams const & runparams) const
 729 {
 730         string incfile = to_utf8(params()["filename"]);
 731
 732         // Do nothing if no file name has been specified
 733         if (incfile.empty())
 734                 return 0;
 735
 736         string const included_file = includedFileName(buffer(), params()).absFileName();
 737
 738         // Check we're not trying to include ourselves.
 739         // FIXME RECURSIVE INCLUDE
 740         // This isn't sufficient, as the inclusion could be downstream.
 741         // But it'll have to do for now.
 742         if (buffer().absFileName() == included_file) {
 743                 Alert::error(_("Recursive input"),
 744                                bformat(_("Attempted to include file %1$s in itself! "
 745                                "Ignoring inclusion."), from_utf8(incfile)));
 746                 return 0;
 747         }
 748
 749         // write it to a file (so far the complete file)
 750         string const exportfile = changeExtension(incfile, ".sgml");
 751         DocFileName writefile(changeExtension(included_file, ".sgml"));
 752
 753         Buffer * tmp = loadIfNeeded();
 754         if (tmp) {
 755                 string const mangled = writefile.mangledFileName();
 756                 writefile = makeAbsPath(mangled,
 757                                         buffer().masterBuffer()->temppath());
 758                 if (!runparams.nice)
 759                         incfile = mangled;
 760
 761                 LYXERR(Debug::LATEX, "incfile:" << incfile);
 762                 LYXERR(Debug::LATEX, "exportfile:" << exportfile);
 763                 LYXERR(Debug::LATEX, "writefile:" << writefile);
 764
 765                 tmp->makeDocBookFile(writefile, runparams, true);
 766         }
 767
 768         runparams.exportdata->addExternalFile("docbook", writefile,
 769                                               exportfile);
 770         runparams.exportdata->addExternalFile("docbook-xml", writefile,
 771                                               exportfile);
 772
 773         if (isVerbatim(params()) || isListings(params())) {
 774                 os << "<inlinegraphic fileref=\""
 775                    << '&' << include_label << ';'
 776                    << "\" format=\"linespecific\">";
 777         } else
 778                 os << '&' << include_label << ';';
 779
 780         return 0;
 781 }
 782
 783
 784 void InsetInclude::validate(LaTeXFeatures & features) const
 785 {
 786         string incfile = to_utf8(params()["filename"]);
 787         string writefile;
 788
 789         LASSERT(&buffer() == &features.buffer(), /**/);
 790
 791         string const included_file =
 792                 includedFileName(buffer(), params()).absFileName();
 793
 794         if (isLyXFileName(included_file))
 795                 writefile = changeExtension(included_file, ".sgml");
 796         else
 797                 writefile = included_file;
 798
 799         if (!features.runparams().nice && !isVerbatim(params()) && !isListings(params())) {
 800                 incfile = DocFileName(writefile).mangledFileName();
 801                 writefile = makeAbsPath(incfile,
 802                                         buffer().masterBuffer()->temppath()).absFileName();
 803         }
 804
 805         features.includeFile(include_label, writefile);
 806
 807         if (isVerbatim(params()))
 808                 features.require("verbatim");
 809         else if (isListings(params()))
 810                 features.require("listings");
 811
 812         // Here we must do the fun stuff...
 813         // Load the file in the include if it needs
 814         // to be loaded:
 815         Buffer * const tmp = loadIfNeeded();
 816         if (tmp) {
 817                 // the file is loaded
 818                 // make sure the buffer isn't us
 819                 // FIXME RECURSIVE INCLUDES
 820                 // This is not sufficient, as recursive includes could be
 821                 // more than a file away. But it will do for now.
 822                 if (tmp && tmp != &buffer()) {
 823                         // We must temporarily change features.buffer,
 824                         // otherwise it would always be the master buffer,
 825                         // and nested includes would not work.
 826                         features.setBuffer(*tmp);
 827                         tmp->validate(features);
 828                         features.setBuffer(buffer());
 829                 }
 830         }
 831 }
 832
 833
 834 void InsetInclude::fillWithBibKeys(BiblioInfo & keys,
 835         InsetIterator const & /*di*/) const
 836 {
 837         Buffer * child = loadIfNeeded();
 838         if (!child)
 839                 return;
 840         child->fillWithBibKeys(keys);
 841 }
 842
 843
 844 void InsetInclude::metrics(MetricsInfo & mi, Dimension & dim) const
 845 {
 846         LASSERT(mi.base.bv, /**/);
 847
 848         bool use_preview = false;
 849         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
 850                 graphics::PreviewImage const * pimage =
 851                         preview_->getPreviewImage(mi.base.bv->buffer());
 852                 use_preview = pimage && pimage->image();
 853         }
 854
 855         if (use_preview) {
 856                 preview_->metrics(mi, dim);
 857         } else {
 858                 if (!set_label_) {
 859                         set_label_ = true;
 860                         button_.update(screenLabel(), true);
 861                 }
 862                 button_.metrics(mi, dim);
 863         }
 864
 865         Box b(0, dim.wid, -dim.asc, dim.des);
 866         button_.setBox(b);
 867 }
 868
 869
 870 void InsetInclude::draw(PainterInfo & pi, int x, int y) const
 871 {
 872         LASSERT(pi.base.bv, /**/);
 873
 874         bool use_preview = false;
 875         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
 876                 graphics::PreviewImage const * pimage =
 877                         preview_->getPreviewImage(pi.base.bv->buffer());
 878                 use_preview = pimage && pimage->image();
 879         }
 880
 881         if (use_preview)
 882                 preview_->draw(pi, x, y);
 883         else
 884                 button_.draw(pi, x, y);
 885 }
 886
 887
 888 docstring InsetInclude::contextMenu(BufferView const &, int, int) const
 889 {
 890         return from_ascii("context-include");
 891 }
 892
 893
 894 Inset::DisplayType InsetInclude::display() const
 895 {
 896         return type(params()) == INPUT ? Inline : AlignCenter;
 897 }
 898
 899
 900
 901 //
 902 // preview stuff
 903 //
 904
 905 void InsetInclude::fileChanged() const
 906 {
 907         Buffer const * const buffer = updateFrontend();
 908         if (!buffer)
 909                 return;
 910
 911         preview_->removePreview(*buffer);
 912         add_preview(*preview_.get(), *this, *buffer);
 913         preview_->startLoading(*buffer);
 914 }
 915
 916
 917 namespace {
 918
 919 bool preview_wanted(InsetCommandParams const & params, Buffer const & buffer)
 920 {
 921         FileName const included_file = includedFileName(buffer, params);
 922
 923         return type(params) == INPUT && params.preview() &&
 924                 included_file.isReadableFile();
 925 }
 926
 927
 928 docstring latexString(InsetInclude const & inset)
 929 {
 930         odocstringstream os;
 931         // We don't need to set runparams.encoding since this will be done
 932         // by latex() anyway.
 933         OutputParams runparams(0);
 934         runparams.flavor = OutputParams::LATEX;
 935         inset.latex(os, runparams);
 936
 937         return os.str();
 938 }
 939
 940
 941 void add_preview(RenderMonitoredPreview & renderer, InsetInclude const & inset,
 942                  Buffer const & buffer)
 943 {
 944         InsetCommandParams const & params = inset.params();
 945         if (RenderPreview::status() != LyXRC::PREVIEW_OFF &&
 946             preview_wanted(params, buffer)) {
 947                 renderer.setAbsFile(includedFileName(buffer, params));
 948                 docstring const snippet = latexString(inset);
 949                 renderer.addPreview(snippet, buffer);
 950         }
 951 }
 952
 953 } // namespace anon
 954
 955
 956 void InsetInclude::addPreview(DocIterator const & /*inset_pos*/,
 957         graphics::PreviewLoader & ploader) const
 958 {
 959         Buffer const & buffer = ploader.buffer();
 960         if (!preview_wanted(params(), buffer))
 961                 return;
 962         preview_->setAbsFile(includedFileName(buffer, params()));
 963         docstring const snippet = latexString(*this);
 964         preview_->addPreview(snippet, ploader);
 965 }
 966
 967
 968 void InsetInclude::addToToc(DocIterator const & cpit)
 969 {
 970         TocBackend & backend = buffer().tocBackend();
 971
 972         if (isListings(params())) {
 973                 if (label_)
 974                         label_->addToToc(cpit);
 975
 976                 InsetListingsParams p(to_utf8(params()["lstparams"]));
 977                 string caption = p.getParamValue("caption");
 978                 if (caption.empty())
 979                         return;
 980                 Toc & toc = backend.toc("listing");
 981                 docstring str = convert<docstring>(toc.size() + 1)
 982                         + ". " +  from_utf8(caption);
 983                 DocIterator pit = cpit;
 984                 toc.push_back(TocItem(pit, 0, str));
 985                 return;
 986         }
 987         Buffer const * const childbuffer = getChildBuffer();
 988         if (!childbuffer)
 989                 return;
 990
 991         Toc & toc = backend.toc("child");
 992         docstring str = childbuffer->fileName().displayName();
 993         toc.push_back(TocItem(cpit, 0, str));
 994
 995         TocList & toclist = backend.tocs();
 996         childbuffer->tocBackend().update();
 997         TocList const & childtoclist = childbuffer->tocBackend().tocs();
 998         TocList::const_iterator it = childtoclist.begin();
 999         TocList::const_iterator const end = childtoclist.end();
1000         for(; it != end; ++it)
1001                 toclist[it->first].insert(toclist[it->first].end(),
1002                         it->second.begin(), it->second.end());
1003 }
1004
1005
1006 void InsetInclude::updateCommand()
1007 {
1008         if (!label_)
1009                 return;
1010
1011         docstring old_label = label_->getParam("name");
1012         label_->updateCommand(old_label, false);
1013         // the label might have been adapted (duplicate)
1014         docstring new_label = label_->getParam("name");
1015         if (old_label == new_label)
1016                 return;
1017
1018         // update listings parameters...
1019         InsetCommandParams p(INCLUDE_CODE);
1020         p = params();
1021         InsetListingsParams par(to_utf8(params()["lstparams"]));
1022         par.addParam("label", "{" + to_utf8(new_label) + "}", true);
1023         p["lstparams"] = from_utf8(par.params());
1024         setParams(p);
1025 }
1026
1027 void InsetInclude::updateBuffer(ParIterator const & it, UpdateType utype)
1028 {
1029         Buffer const * const childbuffer = getChildBuffer();
1030         if (childbuffer) {
1031                 childbuffer->updateBuffer(Buffer::UpdateChildOnly, utype);
1032                 return;
1033         }
1034         if (!isListings(params()))
1035                 return;
1036
1037         if (label_)
1038                 label_->updateBuffer(it, utype);
1039
1040         InsetListingsParams const par(to_utf8(params()["lstparams"]));
1041         if (par.getParamValue("caption").empty()) {
1042                 listings_label_ = buffer().B_("Program Listing");
1043                 return;
1044         }
1045         Buffer const & master = *buffer().masterBuffer();
1046         Counters & counters = master.params().documentClass().counters();
1047         docstring const cnt = from_ascii("listing");
1048         listings_label_ = master.B_("Program Listing");
1049         if (counters.hasCounter(cnt)) {
1050                 counters.step(cnt, utype);
1051                 listings_label_ += " " + convert<docstring>(counters.value(cnt));
1052         }
1053 }
1054
1055
1056 } // namespace lyx