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 "Lexer.h"
  35 #include "MetricsInfo.h"
  36 #include "output_plaintext.h"
  37 #include "output_xhtml.h"
  38 #include "OutputParams.h"
  39 #include "texstream.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 #include "support/mutex.h"
  65 #include "support/ExceptionMessage.h"
  66
  67 #include "support/bind.h"
  68
  69 using namespace std;
  70 using namespace lyx::support;
  71
  72 namespace lyx {
  73
  74 namespace Alert = frontend::Alert;
  75
  76
  77 namespace {
  78
  79 docstring const uniqueID()
  80 {
  81         static unsigned int seed = 1000;
  82         static Mutex mutex;
  83         Mutex::Locker lock(&mutex);
  84         return "file" + convert<docstring>(++seed);
  85 }
  86
  87
  88 /// the type of inclusion
  89 enum Types {
  90         INCLUDE, VERB, INPUT, VERBAST, LISTINGS, NONE
  91 };
  92
  93
  94 Types type(string const & s)
  95 {
  96         if (s == "input")
  97                 return INPUT;
  98         if (s == "verbatiminput")
  99                 return VERB;
 100         if (s == "verbatiminput*")
 101                 return VERBAST;
 102         if (s == "lstinputlisting")
 103                 return LISTINGS;
 104         if (s == "include")
 105                 return INCLUDE;
 106         return NONE;
 107 }
 108
 109
 110 Types type(InsetCommandParams const & params)
 111 {
 112         return type(params.getCmdName());
 113 }
 114
 115
 116 bool isListings(InsetCommandParams const & params)
 117 {
 118         return type(params) == LISTINGS;
 119 }
 120
 121
 122 bool isVerbatim(InsetCommandParams const & params)
 123 {
 124         Types const t = type(params);
 125         return t == VERB || t == VERBAST;
 126 }
 127
 128
 129 bool isInputOrInclude(InsetCommandParams const & params)
 130 {
 131         Types const t = type(params);
 132         return t == INPUT || t == INCLUDE;
 133 }
 134
 135
 136 FileName const masterFileName(Buffer const & buffer)
 137 {
 138         return buffer.masterBuffer()->fileName();
 139 }
 140
 141
 142 void add_preview(RenderMonitoredPreview &, InsetInclude const &, Buffer const &);
 143
 144
 145 string const parentFileName(Buffer const & buffer)
 146 {
 147         return buffer.absFileName();
 148 }
 149
 150
 151 FileName const includedFileName(Buffer const & buffer,
 152                               InsetCommandParams const & params)
 153 {
 154         return makeAbsPath(to_utf8(params["filename"]),
 155                         onlyPath(parentFileName(buffer)));
 156 }
 157
 158
 159 InsetLabel * createLabel(Buffer * buf, docstring const & label_str)
 160 {
 161         if (label_str.empty())
 162                 return 0;
 163         InsetCommandParams icp(LABEL_CODE);
 164         icp["name"] = label_str;
 165         return new InsetLabel(buf, icp);
 166 }
 167
 168 } // namespace anon
 169
 170
 171 InsetInclude::InsetInclude(Buffer * buf, InsetCommandParams const & p)
 172         : InsetCommand(buf, p), include_label(uniqueID()),
 173           preview_(new RenderMonitoredPreview(this)), failedtoload_(false),
 174           set_label_(false), label_(0), child_buffer_(0)
 175 {
 176         preview_->fileChanged(bind(&InsetInclude::fileChanged, this));
 177
 178         if (isListings(params())) {
 179                 InsetListingsParams listing_params(to_utf8(p["lstparams"]));
 180                 label_ = createLabel(buffer_, from_utf8(listing_params.getParamValue("label")));
 181         } else if (isInputOrInclude(params()) && buf)
 182                 loadIfNeeded();
 183 }
 184
 185
 186 InsetInclude::InsetInclude(InsetInclude const & other)
 187         : InsetCommand(other), include_label(other.include_label),
 188           preview_(new RenderMonitoredPreview(this)), failedtoload_(false),
 189           set_label_(false), label_(0), child_buffer_(0)
 190 {
 191         preview_->fileChanged(bind(&InsetInclude::fileChanged, this));
 192
 193         if (other.label_)
 194                 label_ = new InsetLabel(*other.label_);
 195 }
 196
 197
 198 InsetInclude::~InsetInclude()
 199 {
 200         if (isBufferLoaded())
 201                 buffer().invalidateBibfileCache();
 202         delete label_;
 203 }
 204
 205
 206 void InsetInclude::setBuffer(Buffer & buffer)
 207 {
 208         InsetCommand::setBuffer(buffer);
 209         if (label_)
 210                 label_->setBuffer(buffer);
 211 }
 212
 213
 214 void InsetInclude::setChildBuffer(Buffer * buffer)
 215 {
 216         child_buffer_ = buffer;
 217 }
 218
 219
 220 ParamInfo const & InsetInclude::findInfo(string const & /* cmdName */)
 221 {
 222         // FIXME
 223         // This is only correct for the case of listings, but it'll do for now.
 224         // In the other cases, this second parameter should just be empty.
 225         static ParamInfo param_info_;
 226         if (param_info_.empty()) {
 227                 param_info_.add("filename", ParamInfo::LATEX_REQUIRED);
 228                 param_info_.add("lstparams", ParamInfo::LATEX_OPTIONAL);
 229         }
 230         return param_info_;
 231 }
 232
 233
 234 bool InsetInclude::isCompatibleCommand(string const & s)
 235 {
 236         return type(s) != NONE;
 237 }
 238
 239
 240 void InsetInclude::doDispatch(Cursor & cur, FuncRequest & cmd)
 241 {
 242         switch (cmd.action()) {
 243
 244         case LFUN_INSET_EDIT: {
 245                 editIncluded(to_utf8(params()["filename"]));
 246                 break;
 247         }
 248
 249         case LFUN_INSET_MODIFY: {
 250                 // It should be OK just to invalidate the cache in setParams()
 251                 // If not....
 252                 // child_buffer_ = 0;
 253                 InsetCommandParams p(INCLUDE_CODE);
 254                 if (cmd.getArg(0) == "changetype") {
 255                         cur.recordUndo();
 256                         InsetCommand::doDispatch(cur, cmd);
 257                         p = params();
 258                 } else
 259                         InsetCommand::string2params(to_utf8(cmd.argument()), p);
 260                 if (!p.getCmdName().empty()) {
 261                         if (isListings(p)){
 262                                 InsetListingsParams new_params(to_utf8(p["lstparams"]));
 263                                 docstring const new_label =
 264                                         from_utf8(new_params.getParamValue("label"));
 265
 266                                 if (new_label.empty()) {
 267                                         delete label_;
 268                                         label_ = 0;
 269                                 } else {
 270                                         docstring old_label;
 271                                         if (label_)
 272                                                 old_label = label_->getParam("name");
 273                                         else {
 274                                                 label_ = createLabel(buffer_, new_label);
 275                                                 label_->setBuffer(buffer());
 276                                         }
 277
 278                                         if (new_label != old_label) {
 279                                                 label_->updateLabelAndRefs(new_label, &cur);
 280                                                 // the label might have been adapted (duplicate)
 281                                                 if (new_label != label_->getParam("name")) {
 282                                                         new_params.addParam("label", "{" +
 283                                                                 to_utf8(label_->getParam("name")) + "}", true);
 284                                                         p["lstparams"] = from_utf8(new_params.params());
 285                                                 }
 286                                         }
 287                                 }
 288                         }
 289                         cur.recordUndo();
 290                         setParams(p);
 291                         cur.forceBufferUpdate();
 292                 } else
 293                         cur.noScreenUpdate();
 294                 break;
 295         }
 296
 297         //pass everything else up the chain
 298         default:
 299                 InsetCommand::doDispatch(cur, cmd);
 300                 break;
 301         }
 302 }
 303
 304
 305 void InsetInclude::editIncluded(string const & file)
 306 {
 307         string const ext = support::getExtension(file);
 308         if (ext == "lyx") {
 309                 FuncRequest fr(LFUN_BUFFER_CHILD_OPEN, file);
 310                 lyx::dispatch(fr);
 311         } else
 312                 // tex file or other text file in verbatim mode
 313                 formats.edit(buffer(),
 314                         support::makeAbsPath(file, support::onlyPath(buffer().absFileName())),
 315                         "text");
 316 }
 317
 318
 319 bool InsetInclude::getStatus(Cursor & cur, FuncRequest const & cmd,
 320                 FuncStatus & flag) const
 321 {
 322         switch (cmd.action()) {
 323
 324         case LFUN_INSET_EDIT:
 325                 flag.setEnabled(true);
 326                 return true;
 327
 328         case LFUN_INSET_MODIFY:
 329                 if (cmd.getArg(0) == "changetype")
 330                         return InsetCommand::getStatus(cur, cmd, flag);
 331                 else
 332                         flag.setEnabled(true);
 333                 return true;
 334
 335         default:
 336                 return InsetCommand::getStatus(cur, cmd, flag);
 337         }
 338 }
 339
 340
 341 void InsetInclude::setParams(InsetCommandParams const & p)
 342 {
 343         // invalidate the cache
 344         child_buffer_ = 0;
 345
 346         InsetCommand::setParams(p);
 347         set_label_ = false;
 348
 349         if (preview_->monitoring())
 350                 preview_->stopMonitoring();
 351
 352         if (type(params()) == INPUT)
 353                 add_preview(*preview_, *this, buffer());
 354
 355         buffer().invalidateBibfileCache();
 356 }
 357
 358
 359 bool InsetInclude::isChildIncluded() const
 360 {
 361         std::list<std::string> includeonlys =
 362                 buffer().params().getIncludedChildren();
 363         if (includeonlys.empty())
 364                 return true;
 365         return (std::find(includeonlys.begin(),
 366                           includeonlys.end(),
 367                           to_utf8(params()["filename"])) != includeonlys.end());
 368 }
 369
 370
 371 docstring InsetInclude::screenLabel() const
 372 {
 373         docstring temp;
 374
 375         switch (type(params())) {
 376                 case INPUT:
 377                         temp = buffer().B_("Input");
 378                         break;
 379                 case VERB:
 380                         temp = buffer().B_("Verbatim Input");
 381                         break;
 382                 case VERBAST:
 383                         temp = buffer().B_("Verbatim Input*");
 384                         break;
 385                 case INCLUDE:
 386                         if (isChildIncluded())
 387                                 temp = buffer().B_("Include");
 388                         else
 389                                 temp += buffer().B_("Include (excluded)");
 390                         break;
 391                 case LISTINGS:
 392                         temp = listings_label_;
 393                         break;
 394                 case NONE:
 395                         LASSERT(false, temp = buffer().B_("Unknown"));
 396                         break;
 397         }
 398
 399         temp += ": ";
 400
 401         if (params()["filename"].empty())
 402                 temp += "???";
 403         else
 404                 temp += from_utf8(onlyFileName(to_utf8(params()["filename"])));
 405
 406         return temp;
 407 }
 408
 409
 410 Buffer * InsetInclude::getChildBuffer() const
 411 {
 412         Buffer * childBuffer = loadIfNeeded();
 413
 414         // FIXME RECURSIVE INCLUDE
 415         // This isn't sufficient, as the inclusion could be downstream.
 416         // But it'll have to do for now.
 417         return (childBuffer == &buffer()) ? 0 : childBuffer;
 418 }
 419
 420
 421 Buffer * InsetInclude::loadIfNeeded() const
 422 {
 423         // This is for background export and preview. We don't even want to
 424         // try to load the cloned child document again.
 425         if (buffer().isClone())
 426                 return child_buffer_;
 427
 428         // Don't try to load it again if we failed before.
 429         if (failedtoload_ || isVerbatim(params()) || isListings(params()))
 430                 return 0;
 431
 432         FileName const included_file = includedFileName(buffer(), params());
 433         // Use cached Buffer if possible.
 434         if (child_buffer_ != 0) {
 435                 if (theBufferList().isLoaded(child_buffer_)
 436                 // additional sanity check: make sure the Buffer really is
 437                     // associated with the file we want.
 438                     && child_buffer_ == theBufferList().getBuffer(included_file))
 439                         return child_buffer_;
 440                 // Buffer vanished, so invalidate cache and try to reload.
 441                 child_buffer_ = 0;
 442         }
 443
 444         if (!isLyXFileName(included_file.absFileName()))
 445                 return 0;
 446
 447         Buffer * child = theBufferList().getBuffer(included_file);
 448         if (!child) {
 449                 // the readonly flag can/will be wrong, not anymore I think.
 450                 if (!included_file.exists())
 451                         return 0;
 452
 453                 child = theBufferList().newBuffer(included_file.absFileName());
 454                 if (!child)
 455                         // Buffer creation is not possible.
 456                         return 0;
 457
 458                 // Set parent before loading, such that macros can be tracked
 459                 child->setParent(&buffer());
 460
 461                 if (child->loadLyXFile() != Buffer::ReadSuccess) {
 462                         failedtoload_ = true;
 463                         child->setParent(0);
 464                         //close the buffer we just opened
 465                         theBufferList().release(child);
 466                         return 0;
 467                 }
 468
 469                 if (!child->errorList("Parse").empty()) {
 470                         // FIXME: Do something.
 471                 }
 472         } else {
 473                 // The file was already loaded, so, simply
 474                 // inform parent buffer about local macros.
 475                 Buffer const * parent = &buffer();
 476                 child->setParent(parent);
 477                 MacroNameSet macros;
 478                 child->listMacroNames(macros);
 479                 MacroNameSet::const_iterator cit = macros.begin();
 480                 MacroNameSet::const_iterator end = macros.end();
 481                 for (; cit != end; ++cit)
 482                         parent->usermacros.insert(*cit);
 483         }
 484
 485         // Cache the child buffer.
 486         child_buffer_ = child;
 487         return child;
 488 }
 489
 490
 491 void InsetInclude::latex(otexstream & os, OutputParams const & runparams) const
 492 {
 493         string incfile = to_utf8(params()["filename"]);
 494
 495         // Do nothing if no file name has been specified
 496         if (incfile.empty())
 497                 return;
 498
 499         FileName const included_file = includedFileName(buffer(), params());
 500
 501         // Check we're not trying to include ourselves.
 502         // FIXME RECURSIVE INCLUDE
 503         // This isn't sufficient, as the inclusion could be downstream.
 504         // But it'll have to do for now.
 505         if (isInputOrInclude(params()) &&
 506                 buffer().absFileName() == included_file.absFileName())
 507         {
 508                 Alert::error(_("Recursive input"),
 509                                bformat(_("Attempted to include file %1$s in itself! "
 510                                "Ignoring inclusion."), from_utf8(incfile)));
 511                 return;
 512         }
 513
 514         Buffer const * const masterBuffer = buffer().masterBuffer();
 515
 516         // if incfile is relative, make it relative to the master
 517         // buffer directory.
 518         if (!FileName::isAbsolute(incfile)) {
 519                 // FIXME UNICODE
 520                 incfile = to_utf8(makeRelPath(from_utf8(included_file.absFileName()),
 521                                               from_utf8(masterBuffer->filePath())));
 522         }
 523
 524         string exppath = incfile;
 525         if (!runparams.export_folder.empty()) {
 526                 exppath = makeAbsPath(exppath, runparams.export_folder).realPath();
 527                 FileName(exppath).onlyPath().createPath();
 528         }
 529
 530         // write it to a file (so far the complete file)
 531         string exportfile;
 532         string mangled;
 533         // bug 5681
 534         if (type(params()) == LISTINGS) {
 535                 exportfile = exppath;
 536                 mangled = DocFileName(included_file).mangledFileName();
 537         } else {
 538                 exportfile = changeExtension(exppath, ".tex");
 539                 mangled = DocFileName(changeExtension(included_file.absFileName(), ".tex")).
 540                         mangledFileName();
 541         }
 542
 543         if (!runparams.nice)
 544                 incfile = mangled;
 545         else if (!runparams.silent)
 546                 ; // no warning wanted
 547         else if (!isValidLaTeXFileName(incfile)) {
 548                 frontend::Alert::warning(_("Invalid filename"),
 549                         _("The following filename will cause troubles "
 550                                 "when running the exported file through LaTeX: ") +
 551                         from_utf8(incfile));
 552         } else if (!isValidDVIFileName(incfile)) {
 553                 frontend::Alert::warning(_("Problematic filename for DVI"),
 554                         _("The following filename can cause troubles "
 555                                 "when running the exported file through LaTeX "
 556                                 "and opening the resulting DVI: ") +
 557                         from_utf8(incfile), true);
 558         }
 559
 560         FileName const writefile(makeAbsPath(mangled, runparams.for_preview ?
 561                                                  buffer().temppath() : masterBuffer->temppath()));
 562
 563         LYXERR(Debug::LATEX, "incfile:" << incfile);
 564         LYXERR(Debug::LATEX, "exportfile:" << exportfile);
 565         LYXERR(Debug::LATEX, "writefile:" << writefile);
 566
 567         string const tex_format = flavor2format(runparams.flavor);
 568
 569         switch (type(params())) {
 570         case VERB:
 571         case VERBAST: {
 572                 incfile = latex_path(incfile);
 573                 // FIXME UNICODE
 574                 os << '\\' << from_ascii(params().getCmdName()) << '{'
 575                    << from_utf8(incfile) << '}';
 576                 break;
 577         }
 578         case INPUT: {
 579                 runparams.exportdata->addExternalFile(tex_format, writefile,
 580                                                       exportfile);
 581
 582                 // \input wants file with extension (default is .tex)
 583                 if (!isLyXFileName(included_file.absFileName())) {
 584                         incfile = latex_path(incfile);
 585                         // FIXME UNICODE
 586                         os << '\\' << from_ascii(params().getCmdName())
 587                            << '{' << from_utf8(incfile) << '}';
 588                 } else {
 589                         incfile = changeExtension(incfile, ".tex");
 590                         incfile = latex_path(incfile);
 591                         // FIXME UNICODE
 592                         os << '\\' << from_ascii(params().getCmdName())
 593                            << '{' << from_utf8(incfile) <<  '}';
 594                 }
 595                 break;
 596         }
 597         case LISTINGS: {
 598                 runparams.exportdata->addExternalFile(tex_format, writefile,
 599                                                       exportfile);
 600                 os << '\\' << from_ascii(params().getCmdName());
 601                 string const opt = to_utf8(params()["lstparams"]);
 602                 // opt is set in QInclude dialog and should have passed validation.
 603                 InsetListingsParams params(opt);
 604                 if (!params.params().empty())
 605                         os << "[" << from_utf8(params.params()) << "]";
 606                 os << '{'  << from_utf8(incfile) << '}';
 607                 break;
 608         }
 609         case INCLUDE: {
 610                 runparams.exportdata->addExternalFile(tex_format, writefile,
 611                                                       exportfile);
 612
 613                 // \include don't want extension and demands that the
 614                 // file really have .tex
 615                 incfile = changeExtension(incfile, string());
 616                 incfile = latex_path(incfile);
 617                 // FIXME UNICODE
 618                 os << '\\' << from_ascii(params().getCmdName()) << '{'
 619                    << from_utf8(incfile) << '}';
 620                 break;
 621         }
 622         case NONE:
 623                 break;
 624         }
 625
 626         if (runparams.inComment || runparams.dryrun)
 627                 // Don't try to load or copy the file if we're
 628                 // in a comment or doing a dryrun
 629                 return;
 630
 631         if (isInputOrInclude(params()) &&
 632                  isLyXFileName(included_file.absFileName())) {
 633                 // if it's a LyX file and we're inputting or including,
 634                 // try to load it so we can write the associated latex
 635
 636                 Buffer * tmp = loadIfNeeded();
 637                 if (!tmp) {
 638                         if (!runparams.silent) {
 639                                 docstring text = bformat(_("Could not load included "
 640                                         "file\n`%1$s'\n"
 641                                         "Please, check whether it actually exists."),
 642                                         included_file.displayName());
 643                                 Alert::warning(_("Missing included file"), text);
 644                         }
 645                         return;
 646                 }
 647
 648                 if (!runparams.silent) {
 649                         if (tmp->params().baseClass() != masterBuffer->params().baseClass()) {
 650                                 // FIXME UNICODE
 651                                 docstring text = bformat(_("Included file `%1$s'\n"
 652                                         "has textclass `%2$s'\n"
 653                                         "while parent file has textclass `%3$s'."),
 654                                         included_file.displayName(),
 655                                         from_utf8(tmp->params().documentClass().name()),
 656                                         from_utf8(masterBuffer->params().documentClass().name()));
 657                                 Alert::warning(_("Different textclasses"), text, true);
 658                         }
 659
 660                         // Make sure modules used in child are all included in master
 661                         // FIXME It might be worth loading the children's modules into the master
 662                         // over in BufferParams rather than doing this check.
 663                         LayoutModuleList const masterModules = masterBuffer->params().getModules();
 664                         LayoutModuleList const childModules = tmp->params().getModules();
 665                         LayoutModuleList::const_iterator it = childModules.begin();
 666                         LayoutModuleList::const_iterator end = childModules.end();
 667                         for (; it != end; ++it) {
 668                                 string const module = *it;
 669                                 LayoutModuleList::const_iterator found =
 670                                         find(masterModules.begin(), masterModules.end(), module);
 671                                 if (found == masterModules.end()) {
 672                                         docstring text = bformat(_("Included file `%1$s'\n"
 673                                                 "uses module `%2$s'\n"
 674                                                 "which is not used in parent file."),
 675                                                 included_file.displayName(), from_utf8(module));
 676                                         Alert::warning(_("Module not found"), text);
 677                                 }
 678                         }
 679                 }
 680
 681                 tmp->markDepClean(masterBuffer->temppath());
 682
 683                 // Don't assume the child's format is latex
 684                 string const inc_format = tmp->params().bufferFormat();
 685                 FileName const tmpwritefile(changeExtension(writefile.absFileName(),
 686                         formats.extension(inc_format)));
 687
 688                 // FIXME: handle non existing files
 689                 // The included file might be written in a different encoding
 690                 // and language.
 691                 Encoding const * const oldEnc = runparams.encoding;
 692                 Language const * const oldLang = runparams.master_language;
 693                 // If the master uses non-TeX fonts (XeTeX, LuaTeX),
 694                 // the children must be encoded in plain utf8!
 695                 runparams.encoding = masterBuffer->params().useNonTeXFonts ?
 696                         encodings.fromLyXName("utf8-plain")
 697                         : &tmp->params().encoding();
 698                 runparams.master_language = buffer().params().language;
 699                 runparams.par_begin = 0;
 700                 runparams.par_end = tmp->paragraphs().size();
 701                 runparams.is_child = true;
 702                 if (!tmp->makeLaTeXFile(tmpwritefile, masterFileName(buffer()).
 703                                 onlyPath().absFileName(), runparams, Buffer::OnlyBody)) {
 704                         if (!runparams.silent) {
 705                                 docstring msg = bformat(_("Included file `%1$s' "
 706                                         "was not exported correctly.\n "
 707                                         "LaTeX export is probably incomplete."),
 708                                         included_file.displayName());
 709                                 ErrorList const & el = tmp->errorList("Export");
 710                                 if (!el.empty())
 711                                         msg = bformat(from_ascii("%1$s\n\n%2$s\n\n%3$s"),
 712                                                 msg, el.begin()->error,
 713                                                 el.begin()->description);
 714                                 throw ExceptionMessage(ErrorException, _("Error: "),
 715                                                        msg);
 716                         }
 717                 }
 718                 runparams.encoding = oldEnc;
 719                 runparams.master_language = oldLang;
 720                 runparams.is_child = false;
 721
 722                 // If needed, use converters to produce a latex file from the child
 723                 if (tmpwritefile != writefile) {
 724                         ErrorList el;
 725                         bool const success =
 726                                 theConverters().convert(tmp, tmpwritefile, writefile,
 727                                                         included_file,
 728                                                         inc_format, tex_format, el);
 729
 730                         if (!success && !runparams.silent) {
 731                                 docstring msg = bformat(_("Included file `%1$s' "
 732                                                 "was not exported correctly.\n "
 733                                                 "LaTeX export is probably incomplete."),
 734                                                 included_file.displayName());
 735                                 if (!el.empty())
 736                                         msg = bformat(from_ascii("%1$s\n\n%2$s\n\n%3$s"),
 737                                                         msg, el.begin()->error,
 738                                                         el.begin()->description);
 739                                 throw ExceptionMessage(ErrorException, _("Error: "),
 740                                                        msg);
 741                         }
 742                 }
 743         } else {
 744                 // In this case, it's not a LyX file, so we copy the file
 745                 // to the temp dir, so that .aux files etc. are not created
 746                 // in the original dir. Files included by this file will be
 747                 // found via either the environment variable TEXINPUTS, or
 748                 // input@path, see ../Buffer.cpp.
 749                 unsigned long const checksum_in  = included_file.checksum();
 750                 unsigned long const checksum_out = writefile.checksum();
 751
 752                 if (checksum_in != checksum_out) {
 753                         if (!included_file.copyTo(writefile)) {
 754                                 // FIXME UNICODE
 755                                 LYXERR(Debug::LATEX,
 756                                         to_utf8(bformat(_("Could not copy the file\n%1$s\n"
 757                                                                         "into the temporary directory."),
 758                                                          from_utf8(included_file.absFileName()))));
 759                                 return;
 760                         }
 761                 }
 762         }
 763 }
 764
 765
 766 docstring InsetInclude::xhtml(XHTMLStream & xs, OutputParams const & rp) const
 767 {
 768         if (rp.inComment)
 769                  return docstring();
 770
 771         // For verbatim and listings, we just include the contents of the file as-is.
 772         // In the case of listings, we wrap it in <pre>.
 773         bool const listing = isListings(params());
 774         if (listing || isVerbatim(params())) {
 775                 if (listing)
 776                         xs << html::StartTag("pre");
 777                 // FIXME: We don't know the encoding of the file, default to UTF-8.
 778                 xs << includedFileName(buffer(), params()).fileContents("UTF-8");
 779                 if (listing)
 780                         xs << html::EndTag("pre");
 781                 return docstring();
 782         }
 783
 784         // We don't (yet) know how to Input or Include non-LyX files.
 785         // (If we wanted to get really arcane, we could run some tex2html
 786         // converter on the included file. But that's just masochistic.)
 787         FileName const included_file = includedFileName(buffer(), params());
 788         if (!isLyXFileName(included_file.absFileName())) {
 789                 if (!rp.silent)
 790                         frontend::Alert::warning(_("Unsupported Inclusion"),
 791                                          bformat(_("LyX does not know how to include non-LyX files when "
 792                                                    "generating HTML output. Offending file:\n%1$s"),
 793                                                     params()["filename"]));
 794                 return docstring();
 795         }
 796
 797         // In the other cases, we will generate the HTML and include it.
 798
 799         // Check we're not trying to include ourselves.
 800         // FIXME RECURSIVE INCLUDE
 801         if (buffer().absFileName() == included_file.absFileName()) {
 802                 Alert::error(_("Recursive input"),
 803                                bformat(_("Attempted to include file %1$s in itself! "
 804                                "Ignoring inclusion."), params()["filename"]));
 805                 return docstring();
 806         }
 807
 808         Buffer const * const ibuf = loadIfNeeded();
 809         if (!ibuf)
 810                 return docstring();
 811
 812         // are we generating only some paragraphs, or all of them?
 813         bool const all_pars = !rp.dryrun ||
 814                         (rp.par_begin == 0 &&
 815                          rp.par_end == (int)buffer().text().paragraphs().size());
 816
 817         OutputParams op = rp;
 818         if (all_pars) {
 819                 op.par_begin = 0;
 820                 op.par_end = 0;
 821                 ibuf->writeLyXHTMLSource(xs.os(), op, Buffer::IncludedFile);
 822         } else
 823                 xs << XHTMLStream::ESCAPE_NONE
 824                    << "<!-- Included file: "
 825                    << from_utf8(included_file.absFileName())
 826                    << XHTMLStream::ESCAPE_NONE
 827                          << " -->";
 828         return docstring();
 829 }
 830
 831
 832 int InsetInclude::plaintext(odocstringstream & os,
 833         OutputParams const & op, size_t) const
 834 {
 835         // just write the filename if we're making a tooltip or toc entry,
 836         // or are generating this for advanced search
 837         if (op.for_tooltip || op.for_toc || op.for_search) {
 838                 os << '[' << screenLabel() << '\n'
 839                    << getParam("filename") << "\n]";
 840                 return PLAINTEXT_NEWLINE + 1; // one char on a separate line
 841         }
 842
 843         if (isVerbatim(params()) || isListings(params())) {
 844                 os << '[' << screenLabel() << '\n'
 845                    // FIXME: We don't know the encoding of the file, default to UTF-8.
 846                    << includedFileName(buffer(), params()).fileContents("UTF-8")
 847                    << "\n]";
 848                 return PLAINTEXT_NEWLINE + 1; // one char on a separate line
 849         }
 850
 851         Buffer const * const ibuf = loadIfNeeded();
 852         if (!ibuf) {
 853                 docstring const str = '[' + screenLabel() + ']';
 854                 os << str;
 855                 return str.size();
 856         }
 857         writePlaintextFile(*ibuf, os, op);
 858         return 0;
 859 }
 860
 861
 862 int InsetInclude::docbook(odocstream & os, OutputParams const & runparams) const
 863 {
 864         string incfile = to_utf8(params()["filename"]);
 865
 866         // Do nothing if no file name has been specified
 867         if (incfile.empty())
 868                 return 0;
 869
 870         string const included_file = includedFileName(buffer(), params()).absFileName();
 871
 872         // Check we're not trying to include ourselves.
 873         // FIXME RECURSIVE INCLUDE
 874         // This isn't sufficient, as the inclusion could be downstream.
 875         // But it'll have to do for now.
 876         if (buffer().absFileName() == included_file) {
 877                 Alert::error(_("Recursive input"),
 878                                bformat(_("Attempted to include file %1$s in itself! "
 879                                "Ignoring inclusion."), from_utf8(incfile)));
 880                 return 0;
 881         }
 882
 883         string exppath = incfile;
 884         if (!runparams.export_folder.empty()) {
 885                 exppath = makeAbsPath(exppath, runparams.export_folder).realPath();
 886                 FileName(exppath).onlyPath().createPath();
 887         }
 888
 889         // write it to a file (so far the complete file)
 890         string const exportfile = changeExtension(exppath, ".sgml");
 891         DocFileName writefile(changeExtension(included_file, ".sgml"));
 892
 893         Buffer * tmp = loadIfNeeded();
 894         if (tmp) {
 895                 string const mangled = writefile.mangledFileName();
 896                 writefile = makeAbsPath(mangled,
 897                                         buffer().masterBuffer()->temppath());
 898                 if (!runparams.nice)
 899                         incfile = mangled;
 900
 901                 LYXERR(Debug::LATEX, "incfile:" << incfile);
 902                 LYXERR(Debug::LATEX, "exportfile:" << exportfile);
 903                 LYXERR(Debug::LATEX, "writefile:" << writefile);
 904
 905                 tmp->makeDocBookFile(writefile, runparams, Buffer::OnlyBody);
 906         }
 907
 908         runparams.exportdata->addExternalFile("docbook", writefile,
 909                                               exportfile);
 910         runparams.exportdata->addExternalFile("docbook-xml", writefile,
 911                                               exportfile);
 912
 913         if (isVerbatim(params()) || isListings(params())) {
 914                 os << "<inlinegraphic fileref=\""
 915                    << '&' << include_label << ';'
 916                    << "\" format=\"linespecific\">";
 917         } else
 918                 os << '&' << include_label << ';';
 919
 920         return 0;
 921 }
 922
 923
 924 void InsetInclude::validate(LaTeXFeatures & features) const
 925 {
 926         LATTEST(&buffer() == &features.buffer());
 927
 928         string incfile = to_utf8(params()["filename"]);
 929         string const included_file =
 930                 includedFileName(buffer(), params()).absFileName();
 931
 932         string writefile;
 933         if (isLyXFileName(included_file))
 934                 writefile = changeExtension(included_file, ".sgml");
 935         else
 936                 writefile = included_file;
 937
 938         if (!features.runparams().nice && !isVerbatim(params()) && !isListings(params())) {
 939                 incfile = DocFileName(writefile).mangledFileName();
 940                 writefile = makeAbsPath(incfile,
 941                                         buffer().masterBuffer()->temppath()).absFileName();
 942         }
 943
 944         features.includeFile(include_label, writefile);
 945
 946         features.useInsetLayout(getLayout());
 947         if (isVerbatim(params()))
 948                 features.require("verbatim");
 949         else if (isListings(params()))
 950                 features.require("listings");
 951
 952         // Here we must do the fun stuff...
 953         // Load the file in the include if it needs
 954         // to be loaded:
 955         Buffer * const tmp = loadIfNeeded();
 956         if (tmp) {
 957                 // the file is loaded
 958                 // make sure the buffer isn't us
 959                 // FIXME RECURSIVE INCLUDES
 960                 // This is not sufficient, as recursive includes could be
 961                 // more than a file away. But it will do for now.
 962                 if (tmp && tmp != &buffer()) {
 963                         // We must temporarily change features.buffer,
 964                         // otherwise it would always be the master buffer,
 965                         // and nested includes would not work.
 966                         features.setBuffer(*tmp);
 967                         // Maybe this is already a child
 968                         bool const is_child =
 969                                 features.runparams().is_child;
 970                         features.runparams().is_child = true;
 971                         tmp->validate(features);
 972                         features.runparams().is_child = is_child;
 973                         features.setBuffer(buffer());
 974                 }
 975         }
 976 }
 977
 978
 979 void InsetInclude::collectBibKeys(InsetIterator const & /*di*/) const
 980 {
 981         Buffer * child = loadIfNeeded();
 982         if (!child)
 983                 return;
 984         // FIXME RECURSIVE INCLUDE
 985         // This isn't sufficient, as the inclusion could be downstream.
 986         // But it'll have to do for now.
 987         if (child == &buffer())
 988                 return;
 989         child->collectBibKeys();
 990 }
 991
 992
 993 void InsetInclude::metrics(MetricsInfo & mi, Dimension & dim) const
 994 {
 995         LBUFERR(mi.base.bv);
 996
 997         bool use_preview = false;
 998         if (RenderPreview::previewText()) {
 999                 graphics::PreviewImage const * pimage =
1000                         preview_->getPreviewImage(mi.base.bv->buffer());
1001                 use_preview = pimage && pimage->image();
1002         }
1003
1004         if (use_preview) {
1005                 preview_->metrics(mi, dim);
1006         } else {
1007                 if (!set_label_) {
1008                         set_label_ = true;
1009                         button_.update(screenLabel(), true);
1010                 }
1011                 button_.metrics(mi, dim);
1012         }
1013
1014         Box b(0, dim.wid, -dim.asc, dim.des);
1015         button_.setBox(b);
1016 }
1017
1018
1019 void InsetInclude::draw(PainterInfo & pi, int x, int y) const
1020 {
1021         LBUFERR(pi.base.bv);
1022
1023         bool use_preview = false;
1024         if (RenderPreview::previewText()) {
1025                 graphics::PreviewImage const * pimage =
1026                         preview_->getPreviewImage(pi.base.bv->buffer());
1027                 use_preview = pimage && pimage->image();
1028         }
1029
1030         if (use_preview)
1031                 preview_->draw(pi, x, y);
1032         else
1033                 button_.draw(pi, x, y);
1034 }
1035
1036
1037 void InsetInclude::write(ostream & os) const
1038 {
1039         params().Write(os, &buffer());
1040 }
1041
1042
1043 string InsetInclude::contextMenuName() const
1044 {
1045         return "context-include";
1046 }
1047
1048
1049 Inset::DisplayType InsetInclude::display() const
1050 {
1051         return type(params()) == INPUT ? Inline : AlignCenter;
1052 }
1053
1054
1055 docstring InsetInclude::layoutName() const
1056 {
1057         if (isListings(params()))
1058                 return from_ascii("IncludeListings");
1059         return InsetCommand::layoutName();
1060 }
1061
1062
1063 //
1064 // preview stuff
1065 //
1066
1067 void InsetInclude::fileChanged() const
1068 {
1069         Buffer const * const buffer = updateFrontend();
1070         if (!buffer)
1071                 return;
1072
1073         preview_->removePreview(*buffer);
1074         add_preview(*preview_, *this, *buffer);
1075         preview_->startLoading(*buffer);
1076 }
1077
1078
1079 namespace {
1080
1081 bool preview_wanted(InsetCommandParams const & params, Buffer const & buffer)
1082 {
1083         FileName const included_file = includedFileName(buffer, params);
1084
1085         return type(params) == INPUT && params.preview() &&
1086                 included_file.isReadableFile();
1087 }
1088
1089
1090 docstring latexString(InsetInclude const & inset)
1091 {
1092         odocstringstream ods;
1093         otexstream os(ods);
1094         // We don't need to set runparams.encoding since this will be done
1095         // by latex() anyway.
1096         OutputParams runparams(0);
1097         runparams.flavor = OutputParams::LATEX;
1098         runparams.for_preview = true;
1099         inset.latex(os, runparams);
1100
1101         return ods.str();
1102 }
1103
1104
1105 void add_preview(RenderMonitoredPreview & renderer, InsetInclude const & inset,
1106                  Buffer const & buffer)
1107 {
1108         InsetCommandParams const & params = inset.params();
1109         if (RenderPreview::previewText() && preview_wanted(params, buffer)) {
1110                 renderer.setAbsFile(includedFileName(buffer, params));
1111                 docstring const snippet = latexString(inset);
1112                 renderer.addPreview(snippet, buffer);
1113         }
1114 }
1115
1116 } // namespace anon
1117
1118
1119 void InsetInclude::addPreview(DocIterator const & /*inset_pos*/,
1120         graphics::PreviewLoader & ploader) const
1121 {
1122         Buffer const & buffer = ploader.buffer();
1123         if (!preview_wanted(params(), buffer))
1124                 return;
1125         preview_->setAbsFile(includedFileName(buffer, params()));
1126         docstring const snippet = latexString(*this);
1127         preview_->addPreview(snippet, ploader);
1128 }
1129
1130
1131 void InsetInclude::addToToc(DocIterator const & cpit, bool output_active,
1132                                                         UpdateType utype) const
1133 {
1134         TocBackend & backend = buffer().tocBackend();
1135
1136         if (isListings(params())) {
1137                 if (label_)
1138                         label_->addToToc(cpit, output_active, utype);
1139
1140                 InsetListingsParams p(to_utf8(params()["lstparams"]));
1141                 string caption = p.getParamValue("caption");
1142                 if (caption.empty())
1143                         return;
1144                 shared_ptr<Toc> toc = backend.toc("listing");
1145                 docstring str = convert<docstring>(toc->size() + 1)
1146                         + ". " +  from_utf8(caption);
1147                 DocIterator pit = cpit;
1148                 toc->push_back(TocItem(pit, 0, str, output_active));
1149         } else {
1150                 Buffer const * const childbuffer = getChildBuffer();
1151                 if (!childbuffer)
1152                         return;
1153
1154                 shared_ptr<Toc> toc = backend.toc("child");
1155                 docstring str = childbuffer->fileName().displayName();
1156                 toc->push_back(TocItem(cpit, 0, str, output_active));
1157
1158                 childbuffer->tocBackend().update(output_active, utype);
1159                 TocList const & childtoclist = childbuffer->tocBackend().tocs();
1160                 TocList::const_iterator it = childtoclist.begin();
1161                 TocList::const_iterator const end = childtoclist.end();
1162                 for(; it != end; ++it) {
1163                         shared_ptr<Toc> toc = backend.toc(it->first);
1164                         toc->insert(toc->end(), it->second->begin(), it->second->end());
1165                 }
1166         }
1167 }
1168
1169
1170 void InsetInclude::updateCommand()
1171 {
1172         if (!label_)
1173                 return;
1174
1175         docstring old_label = label_->getParam("name");
1176         label_->updateLabel(old_label);
1177         // the label might have been adapted (duplicate)
1178         docstring new_label = label_->getParam("name");
1179         if (old_label == new_label)
1180                 return;
1181
1182         // update listings parameters...
1183         InsetCommandParams p(INCLUDE_CODE);
1184         p = params();
1185         InsetListingsParams par(to_utf8(params()["lstparams"]));
1186         par.addParam("label", "{" + to_utf8(new_label) + "}", true);
1187         p["lstparams"] = from_utf8(par.params());
1188         setParams(p);
1189 }
1190
1191
1192 void InsetInclude::updateBuffer(ParIterator const & it, UpdateType utype)
1193 {
1194         button_.update(screenLabel(), true);
1195
1196         Buffer const * const childbuffer = getChildBuffer();
1197         if (childbuffer) {
1198                 childbuffer->updateBuffer(Buffer::UpdateChildOnly, utype);
1199                 return;
1200         }
1201         if (!isListings(params()))
1202                 return;
1203
1204         if (label_)
1205                 label_->updateBuffer(it, utype);
1206
1207         InsetListingsParams const par(to_utf8(params()["lstparams"]));
1208         if (par.getParamValue("caption").empty()) {
1209                 listings_label_ = buffer().B_("Program Listing");
1210                 return;
1211         }
1212         Buffer const & master = *buffer().masterBuffer();
1213         Counters & counters = master.params().documentClass().counters();
1214         docstring const cnt = from_ascii("listing");
1215         listings_label_ = master.B_("Program Listing");
1216         if (counters.hasCounter(cnt)) {
1217                 counters.step(cnt, utype);
1218                 listings_label_ += " " + convert<docstring>(counters.value(cnt));
1219         }
1220 }
1221
1222
1223 } // namespace lyx