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 "Converter.h"
  22 #include "Cursor.h"
  23 #include "DispatchResult.h"
  24 #include "Encoding.h"
  25 #include "ErrorList.h"
  26 #include "Exporter.h"
  27 #include "Format.h"
  28 #include "FuncRequest.h"
  29 #include "FuncStatus.h"
  30 #include "LaTeXFeatures.h"
  31 #include "LayoutFile.h"
  32 #include "LayoutModuleList.h"
  33 #include "LyX.h"
  34 #include "LyXRC.h"
  35 #include "Lexer.h"
  36 #include "MetricsInfo.h"
  37 #include "output_plaintext.h"
  38 #include "output_xhtml.h"
  39 #include "OutputParams.h"
  40 #include "TextClass.h"
  41 #include "TocBackend.h"
  42
  43 #include "frontends/alert.h"
  44 #include "frontends/Painter.h"
  45
  46 #include "graphics/PreviewImage.h"
  47 #include "graphics/PreviewLoader.h"
  48
  49 #include "insets/InsetLabel.h"
  50 #include "insets/InsetListingsParams.h"
  51 #include "insets/RenderPreview.h"
  52
  53 #include "mathed/MacroTable.h"
  54
  55 #include "support/convert.h"
  56 #include "support/debug.h"
  57 #include "support/docstream.h"
  58 #include "support/FileNameList.h"
  59 #include "support/filetools.h"
  60 #include "support/gettext.h"
  61 #include "support/lassert.h"
  62 #include "support/lstrings.h" // contains
  63 #include "support/lyxalgo.h"
  64
  65 #include "support/bind.h"
  66
  67 using namespace std;
  68 using namespace lyx::support;
  69
  70 namespace lyx {
  71
  72 namespace Alert = frontend::Alert;
  73
  74
  75 namespace {
  76
  77 docstring const uniqueID()
  78 {
  79         static unsigned int seed = 1000;
  80         return "file" + convert<docstring>(++seed);
  81 }
  82
  83
  84 /// the type of inclusion
  85 enum Types {
  86         INCLUDE, VERB, INPUT, VERBAST, LISTINGS, NONE
  87 };
  88
  89
  90 Types type(string const & s)
  91 {
  92         if (s == "input")
  93                 return INPUT;
  94         if (s == "verbatiminput")
  95                 return VERB;
  96         if (s == "verbatiminput*")
  97                 return VERBAST;
  98         if (s == "lstinputlisting")
  99                 return LISTINGS;
 100         if (s == "include")
 101                 return INCLUDE;
 102         return NONE;
 103 }
 104
 105
 106 Types type(InsetCommandParams const & params)
 107 {
 108         return type(params.getCmdName());
 109 }
 110
 111
 112 bool isListings(InsetCommandParams const & params)
 113 {
 114         return type(params) == LISTINGS;
 115 }
 116
 117
 118 bool isVerbatim(InsetCommandParams const & params)
 119 {
 120         Types const t = type(params);
 121         return t == VERB || t == VERBAST;
 122 }
 123
 124
 125 bool isInputOrInclude(InsetCommandParams const & params)
 126 {
 127         Types const t = type(params);
 128         return t == INPUT || t == INCLUDE;
 129 }
 130
 131
 132 FileName const masterFileName(Buffer const & buffer)
 133 {
 134         return buffer.masterBuffer()->fileName();
 135 }
 136
 137
 138 void add_preview(RenderMonitoredPreview &, InsetInclude const &, Buffer const &);
 139
 140
 141 string const parentFileName(Buffer const & buffer)
 142 {
 143         return buffer.absFileName();
 144 }
 145
 146
 147 FileName const includedFileName(Buffer const & buffer,
 148                               InsetCommandParams const & params)
 149 {
 150         return makeAbsPath(to_utf8(params["filename"]),
 151                         onlyPath(parentFileName(buffer)));
 152 }
 153
 154
 155 InsetLabel * createLabel(Buffer * buf, docstring const & label_str)
 156 {
 157         if (label_str.empty())
 158                 return 0;
 159         InsetCommandParams icp(LABEL_CODE);
 160         icp["name"] = label_str;
 161         return new InsetLabel(buf, icp);
 162 }
 163
 164 } // namespace anon
 165
 166
 167 InsetInclude::InsetInclude(Buffer * buf, InsetCommandParams const & p)
 168         : InsetCommand(buf, p), include_label(uniqueID()),
 169           preview_(new RenderMonitoredPreview(this)), failedtoload_(false),
 170           set_label_(false), label_(0), child_buffer_(0)
 171 {
 172         preview_->fileChanged(bind(&InsetInclude::fileChanged, this));
 173
 174         if (isListings(params())) {
 175                 InsetListingsParams listing_params(to_utf8(p["lstparams"]));
 176                 label_ = createLabel(buffer_, from_utf8(listing_params.getParamValue("label")));
 177         } else if (isInputOrInclude(params()) && buf)
 178                 loadIfNeeded();
 179 }
 180
 181
 182 InsetInclude::InsetInclude(InsetInclude const & other)
 183         : InsetCommand(other), include_label(other.include_label),
 184           preview_(new RenderMonitoredPreview(this)), failedtoload_(false),
 185           set_label_(false), label_(0), child_buffer_(0)
 186 {
 187         preview_->fileChanged(bind(&InsetInclude::fileChanged, this));
 188
 189         if (other.label_)
 190                 label_ = new InsetLabel(*other.label_);
 191 }
 192
 193
 194 InsetInclude::~InsetInclude()
 195 {
 196         if (isBufferLoaded())
 197                 buffer().invalidateBibfileCache();
 198         delete label_;
 199 }
 200
 201
 202 void InsetInclude::setBuffer(Buffer & buffer)
 203 {
 204         InsetCommand::setBuffer(buffer);
 205         if (label_)
 206                 label_->setBuffer(buffer);
 207 }
 208
 209
 210 void InsetInclude::setChildBuffer(Buffer * buffer)
 211 {
 212         child_buffer_ = buffer;
 213 }
 214
 215
 216 ParamInfo const & InsetInclude::findInfo(string const & /* cmdName */)
 217 {
 218         // FIXME
 219         // This is only correct for the case of listings, but it'll do for now.
 220         // In the other cases, this second parameter should just be empty.
 221         static ParamInfo param_info_;
 222         if (param_info_.empty()) {
 223                 param_info_.add("filename", ParamInfo::LATEX_REQUIRED);
 224                 param_info_.add("lstparams", ParamInfo::LATEX_OPTIONAL);
 225         }
 226         return param_info_;
 227 }
 228
 229
 230 bool InsetInclude::isCompatibleCommand(string const & s)
 231 {
 232         return type(s) != NONE;
 233 }
 234
 235
 236 void InsetInclude::doDispatch(Cursor & cur, FuncRequest & cmd)
 237 {
 238         switch (cmd.action()) {
 239
 240         case LFUN_INSET_EDIT: {
 241                 editIncluded(to_utf8(params()["filename"]));
 242                 break;
 243         }
 244
 245         case LFUN_INSET_MODIFY: {
 246                 // It should be OK just to invalidate the cache in setParams()
 247                 // If not....
 248                 // child_buffer_ = 0;
 249                 InsetCommandParams p(INCLUDE_CODE);
 250                 if (cmd.getArg(0) == "changetype") {
 251                         cur.recordUndo();
 252                         InsetCommand::doDispatch(cur, cmd);
 253                         p = params();
 254                 } else
 255                         InsetCommand::string2params(to_utf8(cmd.argument()), p);
 256                 if (!p.getCmdName().empty()) {
 257                         if (isListings(p)){
 258                                 InsetListingsParams new_params(to_utf8(p["lstparams"]));
 259                                 docstring const new_label =
 260                                         from_utf8(new_params.getParamValue("label"));
 261
 262                                 if (new_label.empty()) {
 263                                         delete label_;
 264                                         label_ = 0;
 265                                 } else {
 266                                         docstring old_label;
 267                                         if (label_)
 268                                                 old_label = label_->getParam("name");
 269                                         else {
 270                                                 label_ = createLabel(buffer_, new_label);
 271                                                 label_->setBuffer(buffer());
 272                                         }
 273
 274                                         if (new_label != old_label) {
 275                                                 label_->updateLabelAndRefs(new_label, &cur);
 276                                                 // the label might have been adapted (duplicate)
 277                                                 if (new_label != label_->getParam("name")) {
 278                                                         new_params.addParam("label", "{" +
 279                                                                 to_utf8(label_->getParam("name")) + "}", true);
 280                                                         p["lstparams"] = from_utf8(new_params.params());
 281                                                 }
 282                                         }
 283                                 }
 284                         }
 285                         cur.recordUndo();
 286                         setParams(p);
 287                         cur.forceBufferUpdate();
 288                 } else
 289                         cur.noScreenUpdate();
 290                 break;
 291         }
 292
 293         //pass everything else up the chain
 294         default:
 295                 InsetCommand::doDispatch(cur, cmd);
 296                 break;
 297         }
 298 }
 299
 300
 301 void InsetInclude::editIncluded(string const & file)
 302 {
 303         string const ext = support::getExtension(file);
 304         if (ext == "lyx") {
 305                 FuncRequest fr(LFUN_BUFFER_CHILD_OPEN, file);
 306                 lyx::dispatch(fr);
 307         } else
 308                 // tex file or other text file in verbatim mode
 309                 formats.edit(buffer(),
 310                         support::makeAbsPath(file, support::onlyPath(buffer().absFileName())),
 311                         "text");
 312 }
 313
 314
 315 bool InsetInclude::getStatus(Cursor & cur, FuncRequest const & cmd,
 316                 FuncStatus & flag) const
 317 {
 318         switch (cmd.action()) {
 319
 320         case LFUN_INSET_EDIT:
 321                 flag.setEnabled(true);
 322                 return true;
 323
 324         case LFUN_INSET_MODIFY:
 325                 if (cmd.getArg(0) == "changetype")
 326                         return InsetCommand::getStatus(cur, cmd, flag);
 327                 else
 328                         flag.setEnabled(true);
 329                 return true;
 330
 331         default:
 332                 return InsetCommand::getStatus(cur, cmd, flag);
 333         }
 334 }
 335
 336
 337 void InsetInclude::setParams(InsetCommandParams const & p)
 338 {
 339         // invalidate the cache
 340         child_buffer_ = 0;
 341
 342         InsetCommand::setParams(p);
 343         set_label_ = false;
 344
 345         if (preview_->monitoring())
 346                 preview_->stopMonitoring();
 347
 348         if (type(params()) == INPUT)
 349                 add_preview(*preview_, *this, buffer());
 350
 351         buffer().invalidateBibfileCache();
 352 }
 353
 354
 355 bool InsetInclude::isChildIncluded() const
 356 {
 357         std::list<std::string> includeonlys =
 358                 buffer().params().getIncludedChildren();
 359         if (includeonlys.empty())
 360                 return true;
 361         return (std::find(includeonlys.begin(),
 362                           includeonlys.end(),
 363                           to_utf8(params()["filename"])) != includeonlys.end());
 364 }
 365
 366
 367 docstring InsetInclude::screenLabel() const
 368 {
 369         docstring temp;
 370
 371         switch (type(params())) {
 372                 case INPUT:
 373                         temp = buffer().B_("Input");
 374                         break;
 375                 case VERB:
 376                         temp = buffer().B_("Verbatim Input");
 377                         break;
 378                 case VERBAST:
 379                         temp = buffer().B_("Verbatim Input*");
 380                         break;
 381                 case INCLUDE:
 382                         if (isChildIncluded())
 383                                 temp = buffer().B_("Include");
 384                         else
 385                                 temp += buffer().B_("Include (excluded)");
 386                         break;
 387                 case LISTINGS:
 388                         temp = listings_label_;
 389                         break;
 390                 case NONE:
 391                         LASSERT(false, /**/);
 392         }
 393
 394         temp += ": ";
 395
 396         if (params()["filename"].empty())
 397                 temp += "???";
 398         else
 399                 temp += from_utf8(onlyFileName(to_utf8(params()["filename"])));
 400
 401         return temp;
 402 }
 403
 404
 405 Buffer * InsetInclude::getChildBuffer() const
 406 {
 407         Buffer * childBuffer = loadIfNeeded();
 408
 409         // FIXME: recursive includes
 410         return (childBuffer == &buffer()) ? 0 : childBuffer;
 411 }
 412
 413
 414 Buffer * InsetInclude::loadIfNeeded() const
 415 {
 416         // This is for background export and preview. We don't even want to
 417         // try to load the cloned child document again.
 418         if (buffer().isClone())
 419                 return child_buffer_;
 420
 421         // Don't try to load it again if we failed before.
 422         if (failedtoload_ || isVerbatim(params()) || isListings(params()))
 423                 return 0;
 424
 425         FileName const included_file = includedFileName(buffer(), params());
 426         // Use cached Buffer if possible.
 427         if (child_buffer_ != 0) {
 428                 if (theBufferList().isLoaded(child_buffer_)
 429                 // additional sanity check: make sure the Buffer really is
 430                     // associated with the file we want.
 431                     && child_buffer_ == theBufferList().getBuffer(included_file))
 432                         return child_buffer_;
 433                 // Buffer vanished, so invalidate cache and try to reload.
 434                 child_buffer_ = 0;
 435         }
 436
 437         if (!isLyXFileName(included_file.absFileName()))
 438                 return 0;
 439
 440         Buffer * child = theBufferList().getBuffer(included_file);
 441         if (!child) {
 442                 // the readonly flag can/will be wrong, not anymore I think.
 443                 if (!included_file.exists())
 444                         return 0;
 445
 446                 child = theBufferList().newBuffer(included_file.absFileName());
 447                 if (!child)
 448                         // Buffer creation is not possible.
 449                         return 0;
 450
 451                 // Set parent before loading, such that macros can be tracked
 452                 child->setParent(&buffer());
 453
 454                 if (child->loadLyXFile() != Buffer::ReadSuccess) {
 455                         failedtoload_ = true;
 456                         child->setParent(0);
 457                         //close the buffer we just opened
 458                         theBufferList().release(child);
 459                         return 0;
 460                 }
 461
 462                 if (!child->errorList("Parse").empty()) {
 463                         // FIXME: Do something.
 464                 }
 465         } else {
 466                 // The file was already loaded, so, simply
 467                 // inform parent buffer about local macros.
 468                 Buffer const * parent = &buffer();
 469                 child->setParent(parent);
 470                 MacroNameSet macros;
 471                 child->listMacroNames(macros);
 472                 MacroNameSet::const_iterator cit = macros.begin();
 473                 MacroNameSet::const_iterator end = macros.end();
 474                 for (; cit != end; ++cit)
 475                         parent->usermacros.insert(*cit);
 476         }
 477
 478         // Cache the child buffer.
 479         child_buffer_ = child;
 480         return child;
 481 }
 482
 483
 484 void InsetInclude::latex(otexstream & os, OutputParams const & runparams) const
 485 {
 486         string incfile = to_utf8(params()["filename"]);
 487
 488         // Do nothing if no file name has been specified
 489         if (incfile.empty())
 490                 return;
 491
 492         FileName const included_file = includedFileName(buffer(), params());
 493
 494         // Check we're not trying to include ourselves.
 495         // FIXME RECURSIVE INCLUDE
 496         // This isn't sufficient, as the inclusion could be downstream.
 497         // But it'll have to do for now.
 498         if (isInputOrInclude(params()) &&
 499                 buffer().absFileName() == included_file.absFileName())
 500         {
 501                 Alert::error(_("Recursive input"),
 502                                bformat(_("Attempted to include file %1$s in itself! "
 503                                "Ignoring inclusion."), from_utf8(incfile)));
 504                 return;
 505         }
 506
 507         Buffer const * const masterBuffer = buffer().masterBuffer();
 508
 509         // if incfile is relative, make it relative to the master
 510         // buffer directory.
 511         if (!FileName::isAbsolute(incfile)) {
 512                 // FIXME UNICODE
 513                 incfile = to_utf8(makeRelPath(from_utf8(included_file.absFileName()),
 514                                               from_utf8(masterBuffer->filePath())));
 515         }
 516
 517         string exppath = incfile;
 518         if (!runparams.export_folder.empty()) {
 519                 exppath = makeAbsPath(exppath, runparams.export_folder).realPath();
 520                 FileName(exppath).onlyPath().createPath();
 521         }
 522
 523         // write it to a file (so far the complete file)
 524         string exportfile;
 525         string mangled;
 526         // bug 5681
 527         if (type(params()) == LISTINGS) {
 528                 exportfile = exppath;
 529                 mangled = DocFileName(included_file).mangledFileName();
 530         } else {
 531                 exportfile = changeExtension(exppath, ".tex");
 532                 mangled = DocFileName(changeExtension(included_file.absFileName(), ".tex")).
 533                         mangledFileName();
 534         }
 535
 536         if (!runparams.nice)
 537                         incfile = mangled;
 538         else if (!isValidLaTeXFileName(incfile)) {
 539                 frontend::Alert::warning(_("Invalid filename"),
 540                         _("The following filename will cause troubles "
 541                                 "when running the exported file through LaTeX: ") +
 542                         from_utf8(incfile));
 543         }
 544         else if (!isValidDVIFileName(incfile)) {
 545                 frontend::Alert::warning(_("Problematic filename for DVI"),
 546                         _("The following filename can cause troubles "
 547                                 "when running the exported file through LaTeX "
 548                                 "and opening the resulting DVI: ") +
 549                         from_utf8(incfile), true);
 550         }
 551
 552         FileName const writefile(makeAbsPath(mangled, masterBuffer->temppath()));
 553
 554         LYXERR(Debug::LATEX, "incfile:" << incfile);
 555         LYXERR(Debug::LATEX, "exportfile:" << exportfile);
 556         LYXERR(Debug::LATEX, "writefile:" << writefile);
 557
 558         string const tex_format = flavor2format(runparams.flavor);
 559
 560         switch (type(params())) {
 561         case VERB:
 562         case VERBAST: {
 563                 incfile = latex_path(incfile);
 564                 // FIXME UNICODE
 565                 os << '\\' << from_ascii(params().getCmdName()) << '{'
 566                    << from_utf8(incfile) << '}';
 567                 break;
 568         }
 569         case INPUT: {
 570                 runparams.exportdata->addExternalFile(tex_format, writefile,
 571                                                       exportfile);
 572
 573                 // \input wants file with extension (default is .tex)
 574                 if (!isLyXFileName(included_file.absFileName())) {
 575                         incfile = latex_path(incfile);
 576                         // FIXME UNICODE
 577                         os << '\\' << from_ascii(params().getCmdName())
 578                            << '{' << from_utf8(incfile) << '}';
 579                 } else {
 580                         incfile = changeExtension(incfile, ".tex");
 581                         incfile = latex_path(incfile);
 582                         // FIXME UNICODE
 583                         os << '\\' << from_ascii(params().getCmdName())
 584                            << '{' << from_utf8(incfile) <<  '}';
 585                 }
 586                 break;
 587         }
 588         case LISTINGS: {
 589                 runparams.exportdata->addExternalFile(tex_format, writefile,
 590                                                       exportfile);
 591                 os << '\\' << from_ascii(params().getCmdName());
 592                 string const opt = to_utf8(params()["lstparams"]);
 593                 // opt is set in QInclude dialog and should have passed validation.
 594                 InsetListingsParams params(opt);
 595                 if (!params.params().empty())
 596                         os << "[" << from_utf8(params.params()) << "]";
 597                 os << '{'  << from_utf8(incfile) << '}';
 598                 break;
 599         }
 600         case INCLUDE: {
 601                 runparams.exportdata->addExternalFile(tex_format, writefile,
 602                                                       exportfile);
 603
 604                 // \include don't want extension and demands that the
 605                 // file really have .tex
 606                 incfile = changeExtension(incfile, string());
 607                 incfile = latex_path(incfile);
 608                 // FIXME UNICODE
 609                 os << '\\' << from_ascii(params().getCmdName()) << '{'
 610                    << from_utf8(incfile) << '}';
 611                 break;
 612         }
 613         case NONE:
 614                 break;
 615         }
 616
 617         if (runparams.inComment || runparams.dryrun)
 618                 // Don't try to load or copy the file if we're
 619                 // in a comment or doing a dryrun
 620                 return;
 621
 622         if (isInputOrInclude(params()) &&
 623                  isLyXFileName(included_file.absFileName())) {
 624                 // if it's a LyX file and we're inputting or including,
 625                 // try to load it so we can write the associated latex
 626
 627                 Buffer * tmp = loadIfNeeded();
 628                 if (!tmp) {
 629                         docstring text = bformat(_("Could not load included "
 630                                 "file\n`%1$s'\n"
 631                                 "Please, check whether it actually exists."),
 632                                 included_file.displayName());
 633                         Alert::warning(_("Missing included file"), text);
 634                         return;
 635                 }
 636
 637                 if (tmp->params().baseClass() != masterBuffer->params().baseClass()) {
 638                         // FIXME UNICODE
 639                         docstring text = bformat(_("Included file `%1$s'\n"
 640                                 "has textclass `%2$s'\n"
 641                                 "while parent file has textclass `%3$s'."),
 642                                 included_file.displayName(),
 643                                 from_utf8(tmp->params().documentClass().name()),
 644                                 from_utf8(masterBuffer->params().documentClass().name()));
 645                         Alert::warning(_("Different textclasses"), text, true);
 646                 }
 647
 648                 // Make sure modules used in child are all included in master
 649                 // FIXME It might be worth loading the children's modules into the master
 650                 // over in BufferParams rather than doing this check.
 651                 LayoutModuleList const masterModules = masterBuffer->params().getModules();
 652                 LayoutModuleList const childModules = tmp->params().getModules();
 653                 LayoutModuleList::const_iterator it = childModules.begin();
 654                 LayoutModuleList::const_iterator end = childModules.end();
 655                 for (; it != end; ++it) {
 656                         string const module = *it;
 657                         LayoutModuleList::const_iterator found =
 658                                 find(masterModules.begin(), masterModules.end(), module);
 659                         if (found == masterModules.end()) {
 660                                 docstring text = bformat(_("Included file `%1$s'\n"
 661                                         "uses module `%2$s'\n"
 662                                         "which is not used in parent file."),
 663                                         included_file.displayName(), from_utf8(module));
 664                                 Alert::warning(_("Module not found"), text);
 665                         }
 666                 }
 667
 668                 tmp->markDepClean(masterBuffer->temppath());
 669
 670                 // Don't assume the child's format is latex
 671                 string const inc_format = tmp->params().bufferFormat();
 672                 FileName const tmpwritefile(changeExtension(writefile.absFileName(),
 673                         formats.extension(inc_format)));
 674
 675                 // FIXME: handle non existing files
 676                 // The included file might be written in a different encoding
 677                 // and language.
 678                 Encoding const * const oldEnc = runparams.encoding;
 679                 Language const * const oldLang = runparams.master_language;
 680                 // If the master has full unicode flavor (XeTeX, LuaTeX),
 681                 // the children must be encoded in plain utf8!
 682                 runparams.encoding = runparams.isFullUnicode() ?
 683                         encodings.fromLyXName("utf8-plain")
 684                         : &tmp->params().encoding();
 685                 runparams.master_language = buffer().params().language;
 686                 runparams.par_begin = 0;
 687                 runparams.par_end = tmp->paragraphs().size();
 688                 runparams.is_child = true;
 689                 if (!tmp->makeLaTeXFile(tmpwritefile, masterFileName(buffer()).
 690                                 onlyPath().absFileName(), runparams, Buffer::OnlyBody)) {
 691                         docstring msg = bformat(_("Included file `%1$s' "
 692                                         "was not exported correctly.\nWarning: "
 693                                         "LaTeX export is probably incomplete."),
 694                                         included_file.displayName());
 695                         ErrorList const & el = tmp->errorList("Export");
 696                         if (!el.empty())
 697                                 msg = bformat(from_ascii("%1$s\n\n%2$s\n\n%3$s"),
 698                                                 msg, el.begin()->error,
 699                                                 el.begin()->description);
 700                         Alert::warning(_("Export failure"), msg);
 701                 }
 702                 runparams.encoding = oldEnc;
 703                 runparams.master_language = oldLang;
 704                 runparams.is_child = false;
 705
 706                 // If needed, use converters to produce a latex file from the child
 707                 if (tmpwritefile != writefile) {
 708                         ErrorList el;
 709                         bool const success =
 710                                 theConverters().convert(tmp, tmpwritefile, writefile,
 711                                                         included_file,
 712                                                         inc_format, tex_format, el);
 713
 714                         if (!success) {
 715                                 docstring msg = bformat(_("Included file `%1$s' "
 716                                                 "was not exported correctly.\nWarning: "
 717                                                 "LaTeX export is probably incomplete."),
 718                                                 included_file.displayName());
 719                                 if (!el.empty())
 720                                         msg = bformat(from_ascii("%1$s\n\n%2$s\n\n%3$s"),
 721                                                         msg, el.begin()->error,
 722                                                         el.begin()->description);
 723                                 Alert::warning(_("Export failure"), msg);
 724                         }
 725                 }
 726         } else {
 727                 // In this case, it's not a LyX file, so we copy the file
 728                 // to the temp dir, so that .aux files etc. are not created
 729                 // in the original dir. Files included by this file will be
 730                 // found via either the environment variable TEXINPUTS, or
 731                 // input@path, see ../Buffer.cpp.
 732                 unsigned long const checksum_in  = included_file.checksum();
 733                 unsigned long const checksum_out = writefile.checksum();
 734
 735                 if (checksum_in != checksum_out) {
 736                         if (!included_file.copyTo(writefile)) {
 737                                 // FIXME UNICODE
 738                                 LYXERR(Debug::LATEX,
 739                                         to_utf8(bformat(_("Could not copy the file\n%1$s\n"
 740                                                                         "into the temporary directory."),
 741                                                          from_utf8(included_file.absFileName()))));
 742                                 return;
 743                         }
 744                 }
 745         }
 746 }
 747
 748
 749 docstring InsetInclude::xhtml(XHTMLStream & xs, OutputParams const & rp) const
 750 {
 751         if (rp.inComment)
 752                  return docstring();
 753
 754         // For verbatim and listings, we just include the contents of the file as-is.
 755         // In the case of listings, we wrap it in <pre>.
 756         bool const listing = isListings(params());
 757         if (listing || isVerbatim(params())) {
 758                 if (listing)
 759                         xs << html::StartTag("pre");
 760                 // FIXME: We don't know the encoding of the file, default to UTF-8.
 761                 xs << includedFileName(buffer(), params()).fileContents("UTF-8");
 762                 if (listing)
 763                         xs << html::EndTag("pre");
 764                 return docstring();
 765         }
 766
 767         // We don't (yet) know how to Input or Include non-LyX files.
 768         // (If we wanted to get really arcane, we could run some tex2html
 769         // converter on the included file. But that's just masochistic.)
 770         FileName const included_file = includedFileName(buffer(), params());
 771         if (!isLyXFileName(included_file.absFileName())) {
 772                 frontend::Alert::warning(_("Unsupported Inclusion"),
 773                                          bformat(_("LyX does not know how to include non-LyX files when "
 774                                                    "generating HTML output. Offending file:\n%1$s"),
 775                                                     params()["filename"]));
 776                 return docstring();
 777         }
 778
 779         // In the other cases, we will generate the HTML and include it.
 780
 781         // Check we're not trying to include ourselves.
 782         // FIXME RECURSIVE INCLUDE
 783         if (buffer().absFileName() == included_file.absFileName()) {
 784                 Alert::error(_("Recursive input"),
 785                                bformat(_("Attempted to include file %1$s in itself! "
 786                                "Ignoring inclusion."), params()["filename"]));
 787                 return docstring();
 788         }
 789
 790         Buffer const * const ibuf = loadIfNeeded();
 791         if (!ibuf)
 792                 return docstring();
 793
 794         // are we generating only some paragraphs, or all of them?
 795         bool const all_pars = !rp.dryrun ||
 796                         (rp.par_begin == 0 &&
 797                          rp.par_end == (int)buffer().text().paragraphs().size());
 798
 799         OutputParams op = rp;
 800         if (all_pars) {
 801                 op.par_begin = 0;
 802                 op.par_end = 0;
 803                 ibuf->writeLyXHTMLSource(xs.os(), op, Buffer::IncludedFile);
 804         } else
 805                 xs << XHTMLStream::ESCAPE_NONE
 806                    << "<!-- Included file: "
 807                    << from_utf8(included_file.absFileName())
 808                    << XHTMLStream::ESCAPE_NONE
 809                          << " -->";
 810         return docstring();
 811 }
 812
 813
 814 int InsetInclude::plaintext(odocstream & os, OutputParams const & op) const
 815 {
 816         if (isVerbatim(params()) || isListings(params())) {
 817                 os << '[' << screenLabel() << '\n';
 818                 // FIXME: We don't know the encoding of the file, default to UTF-8.
 819                 os << includedFileName(buffer(), params()).fileContents("UTF-8");
 820                 os << "\n]";
 821                 return PLAINTEXT_NEWLINE + 1; // one char on a separate line
 822         }
 823
 824         Buffer const * const ibuf = loadIfNeeded();
 825         if (!ibuf) {
 826                 docstring const str = '[' + screenLabel() + ']';
 827                 os << str;
 828                 return str.size();
 829         }
 830         writePlaintextFile(*ibuf, os, op);
 831         return 0;
 832 }
 833
 834
 835 int InsetInclude::docbook(odocstream & os, OutputParams const & runparams) const
 836 {
 837         string incfile = to_utf8(params()["filename"]);
 838
 839         // Do nothing if no file name has been specified
 840         if (incfile.empty())
 841                 return 0;
 842
 843         string const included_file = includedFileName(buffer(), params()).absFileName();
 844
 845         // Check we're not trying to include ourselves.
 846         // FIXME RECURSIVE INCLUDE
 847         // This isn't sufficient, as the inclusion could be downstream.
 848         // But it'll have to do for now.
 849         if (buffer().absFileName() == included_file) {
 850                 Alert::error(_("Recursive input"),
 851                                bformat(_("Attempted to include file %1$s in itself! "
 852                                "Ignoring inclusion."), from_utf8(incfile)));
 853                 return 0;
 854         }
 855
 856         string exppath = incfile;
 857         if (!runparams.export_folder.empty()) {
 858                 exppath = makeAbsPath(exppath, runparams.export_folder).realPath();
 859                 FileName(exppath).onlyPath().createPath();
 860         }
 861
 862         // write it to a file (so far the complete file)
 863         string const exportfile = changeExtension(exppath, ".sgml");
 864         DocFileName writefile(changeExtension(included_file, ".sgml"));
 865
 866         Buffer * tmp = loadIfNeeded();
 867         if (tmp) {
 868                 string const mangled = writefile.mangledFileName();
 869                 writefile = makeAbsPath(mangled,
 870                                         buffer().masterBuffer()->temppath());
 871                 if (!runparams.nice)
 872                         incfile = mangled;
 873
 874                 LYXERR(Debug::LATEX, "incfile:" << incfile);
 875                 LYXERR(Debug::LATEX, "exportfile:" << exportfile);
 876                 LYXERR(Debug::LATEX, "writefile:" << writefile);
 877
 878                 tmp->makeDocBookFile(writefile, runparams, Buffer::OnlyBody);
 879         }
 880
 881         runparams.exportdata->addExternalFile("docbook", writefile,
 882                                               exportfile);
 883         runparams.exportdata->addExternalFile("docbook-xml", writefile,
 884                                               exportfile);
 885
 886         if (isVerbatim(params()) || isListings(params())) {
 887                 os << "<inlinegraphic fileref=\""
 888                    << '&' << include_label << ';'
 889                    << "\" format=\"linespecific\">";
 890         } else
 891                 os << '&' << include_label << ';';
 892
 893         return 0;
 894 }
 895
 896
 897 void InsetInclude::validate(LaTeXFeatures & features) const
 898 {
 899         string incfile = to_utf8(params()["filename"]);
 900         string writefile;
 901
 902         LASSERT(&buffer() == &features.buffer(), /**/);
 903
 904         string const included_file =
 905                 includedFileName(buffer(), params()).absFileName();
 906
 907         if (isLyXFileName(included_file))
 908                 writefile = changeExtension(included_file, ".sgml");
 909         else
 910                 writefile = included_file;
 911
 912         if (!features.runparams().nice && !isVerbatim(params()) && !isListings(params())) {
 913                 incfile = DocFileName(writefile).mangledFileName();
 914                 writefile = makeAbsPath(incfile,
 915                                         buffer().masterBuffer()->temppath()).absFileName();
 916         }
 917
 918         features.includeFile(include_label, writefile);
 919
 920         features.useInsetLayout(getLayout());
 921         if (isVerbatim(params()))
 922                 features.require("verbatim");
 923         else if (isListings(params()))
 924                 features.require("listings");
 925
 926         // Here we must do the fun stuff...
 927         // Load the file in the include if it needs
 928         // to be loaded:
 929         Buffer * const tmp = loadIfNeeded();
 930         if (tmp) {
 931                 // the file is loaded
 932                 // make sure the buffer isn't us
 933                 // FIXME RECURSIVE INCLUDES
 934                 // This is not sufficient, as recursive includes could be
 935                 // more than a file away. But it will do for now.
 936                 if (tmp && tmp != &buffer()) {
 937                         // We must temporarily change features.buffer,
 938                         // otherwise it would always be the master buffer,
 939                         // and nested includes would not work.
 940                         features.setBuffer(*tmp);
 941                         features.runparams().is_child = true;
 942                         tmp->validate(features);
 943                         features.runparams().is_child = false;
 944                         features.setBuffer(buffer());
 945                 }
 946         }
 947 }
 948
 949
 950 void InsetInclude::collectBibKeys(InsetIterator const & /*di*/) const
 951 {
 952         Buffer * child = loadIfNeeded();
 953         if (!child)
 954                 return;
 955         child->collectBibKeys();
 956 }
 957
 958
 959 void InsetInclude::metrics(MetricsInfo & mi, Dimension & dim) const
 960 {
 961         LASSERT(mi.base.bv, /**/);
 962
 963         bool use_preview = false;
 964         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
 965                 graphics::PreviewImage const * pimage =
 966                         preview_->getPreviewImage(mi.base.bv->buffer());
 967                 use_preview = pimage && pimage->image();
 968         }
 969
 970         if (use_preview) {
 971                 preview_->metrics(mi, dim);
 972         } else {
 973                 if (!set_label_) {
 974                         set_label_ = true;
 975                         button_.update(screenLabel(), true);
 976                 }
 977                 button_.metrics(mi, dim);
 978         }
 979
 980         Box b(0, dim.wid, -dim.asc, dim.des);
 981         button_.setBox(b);
 982 }
 983
 984
 985 void InsetInclude::draw(PainterInfo & pi, int x, int y) const
 986 {
 987         LASSERT(pi.base.bv, /**/);
 988
 989         bool use_preview = false;
 990         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
 991                 graphics::PreviewImage const * pimage =
 992                         preview_->getPreviewImage(pi.base.bv->buffer());
 993                 use_preview = pimage && pimage->image();
 994         }
 995
 996         if (use_preview)
 997                 preview_->draw(pi, x, y);
 998         else
 999                 button_.draw(pi, x, y);
1000 }
1001
1002
1003 string InsetInclude::contextMenuName() const
1004 {
1005         return "context-include";
1006 }
1007
1008
1009 Inset::DisplayType InsetInclude::display() const
1010 {
1011         return type(params()) == INPUT ? Inline : AlignCenter;
1012 }
1013
1014
1015 docstring InsetInclude::layoutName() const
1016 {
1017         if (isListings(params()))
1018                 return from_ascii("IncludeListings");
1019         return InsetCommand::layoutName();
1020 }
1021
1022
1023 //
1024 // preview stuff
1025 //
1026
1027 void InsetInclude::fileChanged() const
1028 {
1029         Buffer const * const buffer = updateFrontend();
1030         if (!buffer)
1031                 return;
1032
1033         preview_->removePreview(*buffer);
1034         add_preview(*preview_.get(), *this, *buffer);
1035         preview_->startLoading(*buffer);
1036 }
1037
1038
1039 namespace {
1040
1041 bool preview_wanted(InsetCommandParams const & params, Buffer const & buffer)
1042 {
1043         FileName const included_file = includedFileName(buffer, params);
1044
1045         return type(params) == INPUT && params.preview() &&
1046                 included_file.isReadableFile();
1047 }
1048
1049
1050 docstring latexString(InsetInclude const & inset)
1051 {
1052         TexRow texrow;
1053         odocstringstream ods;
1054         otexstream os(ods, texrow);
1055         // We don't need to set runparams.encoding since this will be done
1056         // by latex() anyway.
1057         OutputParams runparams(0);
1058         runparams.flavor = OutputParams::LATEX;
1059         inset.latex(os, runparams);
1060
1061         return ods.str();
1062 }
1063
1064
1065 void add_preview(RenderMonitoredPreview & renderer, InsetInclude const & inset,
1066                  Buffer const & buffer)
1067 {
1068         InsetCommandParams const & params = inset.params();
1069         if (RenderPreview::status() != LyXRC::PREVIEW_OFF &&
1070             preview_wanted(params, buffer)) {
1071                 renderer.setAbsFile(includedFileName(buffer, params));
1072                 docstring const snippet = latexString(inset);
1073                 renderer.addPreview(snippet, buffer);
1074         }
1075 }
1076
1077 } // namespace anon
1078
1079
1080 void InsetInclude::addPreview(DocIterator const & /*inset_pos*/,
1081         graphics::PreviewLoader & ploader) const
1082 {
1083         Buffer const & buffer = ploader.buffer();
1084         if (!preview_wanted(params(), buffer))
1085                 return;
1086         preview_->setAbsFile(includedFileName(buffer, params()));
1087         docstring const snippet = latexString(*this);
1088         preview_->addPreview(snippet, ploader);
1089 }
1090
1091
1092 void InsetInclude::addToToc(DocIterator const & cpit) const
1093 {
1094         TocBackend & backend = buffer().tocBackend();
1095
1096         if (isListings(params())) {
1097                 if (label_)
1098                         label_->addToToc(cpit);
1099
1100                 InsetListingsParams p(to_utf8(params()["lstparams"]));
1101                 string caption = p.getParamValue("caption");
1102                 if (caption.empty())
1103                         return;
1104                 Toc & toc = backend.toc("listing");
1105                 docstring str = convert<docstring>(toc.size() + 1)
1106                         + ". " +  from_utf8(caption);
1107                 DocIterator pit = cpit;
1108                 toc.push_back(TocItem(pit, 0, str));
1109                 return;
1110         }
1111         Buffer const * const childbuffer = getChildBuffer();
1112         if (!childbuffer)
1113                 return;
1114
1115         Toc & toc = backend.toc("child");
1116         docstring str = childbuffer->fileName().displayName();
1117         toc.push_back(TocItem(cpit, 0, str));
1118
1119         TocList & toclist = backend.tocs();
1120         childbuffer->tocBackend().update();
1121         TocList const & childtoclist = childbuffer->tocBackend().tocs();
1122         TocList::const_iterator it = childtoclist.begin();
1123         TocList::const_iterator const end = childtoclist.end();
1124         for(; it != end; ++it)
1125                 toclist[it->first].insert(toclist[it->first].end(),
1126                         it->second.begin(), it->second.end());
1127 }
1128
1129
1130 void InsetInclude::updateCommand()
1131 {
1132         if (!label_)
1133                 return;
1134
1135         docstring old_label = label_->getParam("name");
1136         label_->updateLabel(old_label);
1137         // the label might have been adapted (duplicate)
1138         docstring new_label = label_->getParam("name");
1139         if (old_label == new_label)
1140                 return;
1141
1142         // update listings parameters...
1143         InsetCommandParams p(INCLUDE_CODE);
1144         p = params();
1145         InsetListingsParams par(to_utf8(params()["lstparams"]));
1146         par.addParam("label", "{" + to_utf8(new_label) + "}", true);
1147         p["lstparams"] = from_utf8(par.params());
1148         setParams(p);
1149 }
1150
1151
1152 void InsetInclude::updateBuffer(ParIterator const & it, UpdateType utype)
1153 {
1154         button_.update(screenLabel(), true);
1155
1156         Buffer const * const childbuffer = getChildBuffer();
1157         if (childbuffer) {
1158                 childbuffer->updateBuffer(Buffer::UpdateChildOnly, utype);
1159                 return;
1160         }
1161         if (!isListings(params()))
1162                 return;
1163
1164         if (label_)
1165                 label_->updateBuffer(it, utype);
1166
1167         InsetListingsParams const par(to_utf8(params()["lstparams"]));
1168         if (par.getParamValue("caption").empty()) {
1169                 listings_label_ = buffer().B_("Program Listing");
1170                 return;
1171         }
1172         Buffer const & master = *buffer().masterBuffer();
1173         Counters & counters = master.params().documentClass().counters();
1174         docstring const cnt = from_ascii("listing");
1175         listings_label_ = master.B_("Program Listing");
1176         if (counters.hasCounter(cnt)) {
1177                 counters.step(cnt, utype);
1178                 listings_label_ += " " + convert<docstring>(counters.value(cnt));
1179         }
1180 }
1181
1182
1183 } // namespace lyx