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