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" || s == "inputminted")
 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
 169
 170
 171 InsetInclude::InsetInclude(Buffer * buf, InsetCommandParams const & p)
 172         : InsetCommand(buf, p), include_label(uniqueID()),
 173           preview_(make_unique<RenderMonitoredPreview>(this)), failedtoload_(false),
 174           set_label_(false), label_(0), child_buffer_(0)
 175 {
 176         preview_->connect([=](){ fileChanged(); });
 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_(make_unique<RenderMonitoredPreview>(this)), failedtoload_(false),
 189           set_label_(false), label_(0), child_buffer_(0)
 190 {
 191         preview_->connect([=](){ fileChanged(); });
 192
 193         if (other.label_)
 194                 label_ = new InsetLabel(*other.label_);
 195 }
 196
 197
 198 InsetInclude::~InsetInclude()
 199 {
 200         delete label_;
 201 }
 202
 203
 204 void InsetInclude::setBuffer(Buffer & buffer)
 205 {
 206         InsetCommand::setBuffer(buffer);
 207         if (label_)
 208                 label_->setBuffer(buffer);
 209 }
 210
 211
 212 void InsetInclude::setChildBuffer(Buffer * buffer)
 213 {
 214         child_buffer_ = buffer;
 215 }
 216
 217
 218 ParamInfo const & InsetInclude::findInfo(string const & /* cmdName */)
 219 {
 220         // FIXME
 221         // This is only correct for the case of listings, but it'll do for now.
 222         // In the other cases, this second parameter should just be empty.
 223         static ParamInfo param_info_;
 224         if (param_info_.empty()) {
 225                 param_info_.add("filename", ParamInfo::LATEX_REQUIRED);
 226                 param_info_.add("lstparams", ParamInfo::LATEX_OPTIONAL);
 227                 param_info_.add("literal", ParamInfo::LYX_INTERNAL);
 228         }
 229         return param_info_;
 230 }
 231
 232
 233 bool InsetInclude::isCompatibleCommand(string const & s)
 234 {
 235         return type(s) != NONE;
 236 }
 237
 238
 239 void InsetInclude::doDispatch(Cursor & cur, FuncRequest & cmd)
 240 {
 241         switch (cmd.action()) {
 242
 243         case LFUN_INSET_EDIT: {
 244                 editIncluded(to_utf8(params()["filename"]));
 245                 break;
 246         }
 247
 248         case LFUN_INSET_MODIFY: {
 249                 // It should be OK just to invalidate the cache in setParams()
 250                 // If not....
 251                 // child_buffer_ = 0;
 252                 InsetCommandParams p(INCLUDE_CODE);
 253                 if (cmd.getArg(0) == "changetype") {
 254                         cur.recordUndo();
 255                         InsetCommand::doDispatch(cur, cmd);
 256                         p = params();
 257                 } else
 258                         InsetCommand::string2params(to_utf8(cmd.argument()), p);
 259                 if (!p.getCmdName().empty()) {
 260                         if (isListings(p)){
 261                                 InsetListingsParams new_params(to_utf8(p["lstparams"]));
 262                                 docstring const new_label =
 263                                         from_utf8(new_params.getParamValue("label"));
 264
 265                                 if (new_label.empty()) {
 266                                         delete label_;
 267                                         label_ = 0;
 268                                 } else {
 269                                         docstring old_label;
 270                                         if (label_)
 271                                                 old_label = label_->getParam("name");
 272                                         else {
 273                                                 label_ = createLabel(buffer_, new_label);
 274                                                 label_->setBuffer(buffer());
 275                                         }
 276
 277                                         if (new_label != old_label) {
 278                                                 label_->updateLabelAndRefs(new_label, &cur);
 279                                                 // the label might have been adapted (duplicate)
 280                                                 if (new_label != label_->getParam("name")) {
 281                                                         new_params.addParam("label", "{" +
 282                                                                 to_utf8(label_->getParam("name")) + "}", true);
 283                                                         p["lstparams"] = from_utf8(new_params.params());
 284                                                 }
 285                                         }
 286                                 }
 287                         }
 288                         cur.recordUndo();
 289                         setParams(p);
 290                         cur.forceBufferUpdate();
 291                 } else
 292                         cur.noScreenUpdate();
 293                 break;
 294         }
 295
 296         //pass everything else up the chain
 297         default:
 298                 InsetCommand::doDispatch(cur, cmd);
 299                 break;
 300         }
 301 }
 302
 303
 304 void InsetInclude::editIncluded(string const & file)
 305 {
 306         string const ext = support::getExtension(file);
 307         if (ext == "lyx") {
 308                 FuncRequest fr(LFUN_BUFFER_CHILD_OPEN, file);
 309                 lyx::dispatch(fr);
 310         } else
 311                 // tex file or other text file in verbatim mode
 312                 theFormats().edit(buffer(),
 313                         support::makeAbsPath(file, support::onlyPath(buffer().absFileName())),
 314                         "text");
 315 }
 316
 317
 318 bool InsetInclude::getStatus(Cursor & cur, FuncRequest const & cmd,
 319                 FuncStatus & flag) const
 320 {
 321         switch (cmd.action()) {
 322
 323         case LFUN_INSET_EDIT:
 324                 flag.setEnabled(true);
 325                 return true;
 326
 327         case LFUN_INSET_MODIFY:
 328                 if (cmd.getArg(0) == "changetype")
 329                         return InsetCommand::getStatus(cur, cmd, flag);
 330                 else
 331                         flag.setEnabled(true);
 332                 return true;
 333
 334         default:
 335                 return InsetCommand::getStatus(cur, cmd, flag);
 336         }
 337 }
 338
 339
 340 void InsetInclude::setParams(InsetCommandParams const & p)
 341 {
 342         // invalidate the cache
 343         child_buffer_ = 0;
 344
 345         InsetCommand::setParams(p);
 346         set_label_ = false;
 347
 348         if (preview_->monitoring())
 349                 preview_->stopMonitoring();
 350
 351         if (type(params()) == INPUT)
 352                 add_preview(*preview_, *this, buffer());
 353 }
 354
 355
 356 bool InsetInclude::isChildIncluded() const
 357 {
 358         std::list<std::string> includeonlys =
 359                 buffer().params().getIncludedChildren();
 360         if (includeonlys.empty())
 361                 return true;
 362         return (std::find(includeonlys.begin(),
 363                           includeonlys.end(),
 364                           to_utf8(params()["filename"])) != includeonlys.end());
 365 }
 366
 367
 368 docstring InsetInclude::screenLabel() const
 369 {
 370         docstring temp;
 371
 372         switch (type(params())) {
 373                 case INPUT:
 374                         temp = buffer().B_("Input");
 375                         break;
 376                 case VERB:
 377                         temp = buffer().B_("Verbatim Input");
 378                         break;
 379                 case VERBAST:
 380                         temp = buffer().B_("Verbatim Input*");
 381                         break;
 382                 case INCLUDE:
 383                         if (isChildIncluded())
 384                                 temp = buffer().B_("Include");
 385                         else
 386                                 temp += buffer().B_("Include (excluded)");
 387                         break;
 388                 case LISTINGS:
 389                         temp = listings_label_;
 390                         break;
 391                 case NONE:
 392                         LASSERT(false, temp = buffer().B_("Unknown"));
 393                         break;
 394         }
 395
 396         temp += ": ";
 397
 398         if (params()["filename"].empty())
 399                 temp += "???";
 400         else
 401                 temp += from_utf8(onlyFileName(to_utf8(params()["filename"])));
 402
 403         return temp;
 404 }
 405
 406
 407 Buffer * InsetInclude::getChildBuffer() const
 408 {
 409         Buffer * childBuffer = loadIfNeeded();
 410
 411         // FIXME RECURSIVE INCLUDE
 412         // This isn't sufficient, as the inclusion could be downstream.
 413         // But it'll have to do for now.
 414         return (childBuffer == &buffer()) ? 0 : childBuffer;
 415 }
 416
 417
 418 Buffer * InsetInclude::loadIfNeeded() const
 419 {
 420         // This is for background export and preview. We don't even want to
 421         // try to load the cloned child document again.
 422         if (buffer().isClone())
 423                 return child_buffer_;
 424
 425         // Don't try to load it again if we failed before.
 426         if (failedtoload_ || isVerbatim(params()) || isListings(params()))
 427                 return 0;
 428
 429         FileName const included_file = includedFileName(buffer(), params());
 430         // Use cached Buffer if possible.
 431         if (child_buffer_ != 0) {
 432                 if (theBufferList().isLoaded(child_buffer_)
 433                     // additional sanity check: make sure the Buffer really is
 434                     // associated with the file we want.
 435                     && child_buffer_ == theBufferList().getBuffer(included_file))
 436                         return child_buffer_;
 437                 // Buffer vanished, so invalidate cache and try to reload.
 438                 child_buffer_ = 0;
 439         }
 440
 441         if (!isLyXFileName(included_file.absFileName()))
 442                 return 0;
 443
 444         Buffer * child = theBufferList().getBuffer(included_file);
 445         if (!child) {
 446                 // the readonly flag can/will be wrong, not anymore I think.
 447                 if (!included_file.exists())
 448                         return 0;
 449
 450                 child = theBufferList().newBuffer(included_file.absFileName());
 451                 if (!child)
 452                         // Buffer creation is not possible.
 453                         return 0;
 454
 455                 // Set parent before loading, such that macros can be tracked
 456                 child->setParent(&buffer());
 457
 458                 if (child->loadLyXFile() != Buffer::ReadSuccess) {
 459                         failedtoload_ = true;
 460                         child->setParent(0);
 461                         //close the buffer we just opened
 462                         theBufferList().release(child);
 463                         return 0;
 464                 }
 465
 466                 if (!child->errorList("Parse").empty()) {
 467                         // FIXME: Do something.
 468                 }
 469         } else {
 470                 // The file was already loaded, so, simply
 471                 // inform parent buffer about local macros.
 472                 Buffer const * parent = &buffer();
 473                 child->setParent(parent);
 474                 MacroNameSet macros;
 475                 child->listMacroNames(macros);
 476                 MacroNameSet::const_iterator cit = macros.begin();
 477                 MacroNameSet::const_iterator end = macros.end();
 478                 for (; cit != end; ++cit)
 479                         parent->usermacros.insert(*cit);
 480         }
 481
 482         // Cache the child buffer.
 483         child_buffer_ = child;
 484         return child;
 485 }
 486
 487
 488 void InsetInclude::latex(otexstream & os, OutputParams const & runparams) const
 489 {
 490         string incfile = to_utf8(params()["filename"]);
 491
 492         // Do nothing if no file name has been specified
 493         if (incfile.empty())
 494                 return;
 495
 496         FileName const included_file = includedFileName(buffer(), params());
 497
 498         // Check we're not trying to include ourselves.
 499         // FIXME RECURSIVE INCLUDE
 500         // This isn't sufficient, as the inclusion could be downstream.
 501         // But it'll have to do for now.
 502         if (isInputOrInclude(params()) &&
 503                 buffer().absFileName() == included_file.absFileName())
 504         {
 505                 Alert::error(_("Recursive input"),
 506                                bformat(_("Attempted to include file %1$s in itself! "
 507                                "Ignoring inclusion."), from_utf8(incfile)));
 508                 return;
 509         }
 510
 511         Buffer const * const masterBuffer = buffer().masterBuffer();
 512
 513         // if incfile is relative, make it relative to the master
 514         // buffer directory.
 515         if (!FileName::isAbsolute(incfile)) {
 516                 // FIXME UNICODE
 517                 incfile = to_utf8(makeRelPath(from_utf8(included_file.absFileName()),
 518                                               from_utf8(masterBuffer->filePath())));
 519         }
 520
 521         string exppath = incfile;
 522         if (!runparams.export_folder.empty()) {
 523                 exppath = makeAbsPath(exppath, runparams.export_folder).realPath();
 524                 FileName(exppath).onlyPath().createPath();
 525         }
 526
 527         // write it to a file (so far the complete file)
 528         string exportfile;
 529         string mangled;
 530         // bug 5681
 531         if (type(params()) == LISTINGS) {
 532                 exportfile = exppath;
 533                 mangled = DocFileName(included_file).mangledFileName();
 534         } else {
 535                 exportfile = changeExtension(exppath, ".tex");
 536                 mangled = DocFileName(changeExtension(included_file.absFileName(), ".tex")).
 537                         mangledFileName();
 538         }
 539
 540         if (!runparams.nice)
 541                 incfile = mangled;
 542         else if (!runparams.silent)
 543                 ; // no warning wanted
 544         else if (!isValidLaTeXFileName(incfile)) {
 545                 frontend::Alert::warning(_("Invalid filename"),
 546                         _("The following filename will cause troubles "
 547                                 "when running the exported file through LaTeX: ") +
 548                         from_utf8(incfile));
 549         } else if (!isValidDVIFileName(incfile)) {
 550                 frontend::Alert::warning(_("Problematic filename for DVI"),
 551                         _("The following filename can cause troubles "
 552                                 "when running the exported file through LaTeX "
 553                                 "and opening the resulting DVI: ") +
 554                         from_utf8(incfile), true);
 555         }
 556
 557         FileName const writefile(makeAbsPath(mangled, runparams.for_preview ?
 558                                                  buffer().temppath() : masterBuffer->temppath()));
 559
 560         LYXERR(Debug::LATEX, "incfile:" << incfile);
 561         LYXERR(Debug::LATEX, "exportfile:" << exportfile);
 562         LYXERR(Debug::LATEX, "writefile:" << writefile);
 563
 564         string const tex_format = flavor2format(runparams.flavor);
 565
 566         switch (type(params())) {
 567         case VERB:
 568         case VERBAST: {
 569                 incfile = latex_path(incfile);
 570                 // FIXME UNICODE
 571                 os << '\\' << from_ascii(params().getCmdName()) << '{'
 572                    << from_utf8(incfile) << '}';
 573                 break;
 574         }
 575         case INPUT: {
 576                 runparams.exportdata->addExternalFile(tex_format, writefile,
 577                                                       exportfile);
 578
 579                 // \input wants file with extension (default is .tex)
 580                 if (!isLyXFileName(included_file.absFileName())) {
 581                         incfile = latex_path(incfile);
 582                         // FIXME UNICODE
 583                         os << '\\' << from_ascii(params().getCmdName())
 584                            << '{' << from_utf8(incfile) << '}';
 585                 } else {
 586                         incfile = changeExtension(incfile, ".tex");
 587                         incfile = latex_path(incfile);
 588                         // FIXME UNICODE
 589                         os << '\\' << from_ascii(params().getCmdName())
 590                            << '{' << from_utf8(incfile) <<  '}';
 591                 }
 592                 break;
 593         }
 594         case LISTINGS: {
 595                 // Here, listings and minted have sligthly different behaviors.
 596                 // Using listings, it is always possible to have a caption,
 597                 // even for non-floats. Using minted, only floats can have a
 598                 // caption. So, with minted we use the following strategy.
 599                 // If a caption was specified but the float parameter was not,
 600                 // we ourselves add a caption above the listing (because the
 601                 // listing comes from a file and might span several pages).
 602                 // Otherwise, if float was specified, the floating listing
 603                 // environment provided by minted is used. In either case, the
 604                 // label parameter is taken as the label by which the float
 605                 // can be referenced, otherwise it will have the meaning
 606                 // intended by minted. In this last case, the label will
 607                 // serve as a sort of caption that, however, will be shown
 608                 // by minted only if the frame parameter is also specified.
 609                 bool const use_minted = buffer().params().use_minted;
 610                 runparams.exportdata->addExternalFile(tex_format, writefile,
 611                                                       exportfile);
 612                 string const opt = to_utf8(params()["lstparams"]);
 613                 // opt is set in QInclude dialog and should have passed validation.
 614                 InsetListingsParams lstparams(opt);
 615                 docstring parameters = from_utf8(lstparams.params());
 616                 docstring language;
 617                 docstring caption;
 618                 docstring label;
 619                 docstring placement;
 620                 bool isfloat = lstparams.isFloat();
 621                 // Get float placement, language, caption, and
 622                 // label, then remove the relative options if minted.
 623                 vector<docstring> opts =
 624                         getVectorFromString(parameters, from_ascii(","), false);
 625                 vector<docstring> latexed_opts;
 626                 for (size_t i = 0; i < opts.size(); ++i) {
 627                         if (use_minted && prefixIs(opts[i], from_ascii("float"))) {
 628                                 if (prefixIs(opts[i], from_ascii("float=")))
 629                                         placement = opts[i].substr(6);
 630                                 opts.erase(opts.begin() + i--);
 631                         } else if (use_minted && prefixIs(opts[i], from_ascii("language="))) {
 632                                 language = opts[i].substr(9);
 633                                 opts.erase(opts.begin() + i--);
 634                         } else if (prefixIs(opts[i], from_ascii("caption="))) {
 635                                 caption = params().prepareCommand(runparams, trim(opts[i].substr(8), "{}"),
 636                                                                   ParamInfo::HANDLING_LATEXIFY);
 637                                 opts.erase(opts.begin() + i--);
 638                                 if (!use_minted)
 639                                         latexed_opts.push_back(from_ascii("caption=") + caption);
 640                         } else if (prefixIs(opts[i], from_ascii("label="))) {
 641                                 label = params().prepareCommand(runparams, trim(opts[i].substr(6), "{}"),
 642                                                                 ParamInfo::HANDLING_ESCAPE);
 643                                 opts.erase(opts.begin() + i--);
 644                                 if (!use_minted)
 645                                         latexed_opts.push_back(from_ascii("label={") + label + "}");
 646                         }
 647                         if (use_minted && !label.empty()) {
 648                                 if (isfloat || !caption.empty())
 649                                         label = trim(label, "{}");
 650                                 else
 651                                         opts.push_back(from_ascii("label=") + label);
 652                         }
 653                 }
 654                 if (!latexed_opts.empty())
 655                         opts.insert(opts.end(), latexed_opts.begin(), latexed_opts.end());
 656                 parameters = getStringFromVector(opts, from_ascii(","));
 657                 if (language.empty())
 658                         language = from_ascii("TeX");
 659                 if (use_minted && isfloat) {
 660                         os << breakln << "\\begin{listing}";
 661                         if (!placement.empty())
 662                                 os << '[' << placement << "]";
 663                         os << breakln;
 664                 } else if (use_minted && !caption.empty()) {
 665                         os << breakln << "\\lyxmintcaption[t]{" << caption;
 666                         if (!label.empty())
 667                                 os << "\\label{" << label << "}";
 668                         os << "}\n";
 669                 }
 670                 os << (use_minted ? "\\inputminted" : "\\lstinputlisting");
 671                 if (!parameters.empty())
 672                         os << "[" << parameters << "]";
 673                 if (use_minted)
 674                         os << '{'  << ascii_lowercase(language) << '}';
 675                 os << '{'  << incfile << '}';
 676                 if (use_minted && isfloat) {
 677                         if (!caption.empty())
 678                                 os << breakln << "\\caption{" << caption << "}";
 679                         if (!label.empty())
 680                                 os << breakln << "\\label{" << label << "}";
 681                         os << breakln << "\\end{listing}\n";
 682                 }
 683                 break;
 684         }
 685         case INCLUDE: {
 686                 runparams.exportdata->addExternalFile(tex_format, writefile,
 687                                                       exportfile);
 688
 689                 // \include don't want extension and demands that the
 690                 // file really have .tex
 691                 incfile = changeExtension(incfile, string());
 692                 incfile = latex_path(incfile);
 693                 // FIXME UNICODE
 694                 os << '\\' << from_ascii(params().getCmdName()) << '{'
 695                    << from_utf8(incfile) << '}';
 696                 break;
 697         }
 698         case NONE:
 699                 break;
 700         }
 701
 702         if (runparams.inComment || runparams.dryrun)
 703                 // Don't try to load or copy the file if we're
 704                 // in a comment or doing a dryrun
 705                 return;
 706
 707         if (isInputOrInclude(params()) &&
 708                  isLyXFileName(included_file.absFileName())) {
 709                 // if it's a LyX file and we're inputting or including,
 710                 // try to load it so we can write the associated latex
 711
 712                 Buffer * tmp = loadIfNeeded();
 713                 if (!tmp) {
 714                         if (!runparams.silent) {
 715                                 docstring text = bformat(_("Could not load included "
 716                                         "file\n`%1$s'\n"
 717                                         "Please, check whether it actually exists."),
 718                                         included_file.displayName());
 719                                 throw ExceptionMessage(ErrorException, _("Error: "),
 720                                                        text);
 721                         }
 722                         return;
 723                 }
 724
 725                 if (!runparams.silent) {
 726                         if (tmp->params().baseClass() != masterBuffer->params().baseClass()) {
 727                                 // FIXME UNICODE
 728                                 docstring text = bformat(_("Included file `%1$s'\n"
 729                                         "has textclass `%2$s'\n"
 730                                         "while parent file has textclass `%3$s'."),
 731                                         included_file.displayName(),
 732                                         from_utf8(tmp->params().documentClass().name()),
 733                                         from_utf8(masterBuffer->params().documentClass().name()));
 734                                 Alert::warning(_("Different textclasses"), text, true);
 735                         }
 736
 737                         string const child_tf = tmp->params().useNonTeXFonts ? "true" : "false";
 738                         string const master_tf = masterBuffer->params().useNonTeXFonts ? "true" : "false";
 739                         if (tmp->params().useNonTeXFonts != masterBuffer->params().useNonTeXFonts) {
 740                                 docstring text = bformat(_("Included file `%1$s'\n"
 741                                         "has use-non-TeX-fonts set to `%2$s'\n"
 742                                         "while parent file has use-non-TeX-fonts set to `%3$s'."),
 743                                         included_file.displayName(),
 744                                         from_utf8(child_tf),
 745                                         from_utf8(master_tf));
 746                                 Alert::warning(_("Different use-non-TeX-fonts settings"), text, true);
 747                         }
 748
 749                         // Make sure modules used in child are all included in master
 750                         // FIXME It might be worth loading the children's modules into the master
 751                         // over in BufferParams rather than doing this check.
 752                         LayoutModuleList const masterModules = masterBuffer->params().getModules();
 753                         LayoutModuleList const childModules = tmp->params().getModules();
 754                         LayoutModuleList::const_iterator it = childModules.begin();
 755                         LayoutModuleList::const_iterator end = childModules.end();
 756                         for (; it != end; ++it) {
 757                                 string const module = *it;
 758                                 LayoutModuleList::const_iterator found =
 759                                         find(masterModules.begin(), masterModules.end(), module);
 760                                 if (found == masterModules.end()) {
 761                                         docstring text = bformat(_("Included file `%1$s'\n"
 762                                                 "uses module `%2$s'\n"
 763                                                 "which is not used in parent file."),
 764                                                 included_file.displayName(), from_utf8(module));
 765                                         Alert::warning(_("Module not found"), text);
 766                                 }
 767                         }
 768                 }
 769
 770                 tmp->markDepClean(masterBuffer->temppath());
 771
 772                 // Don't assume the child's format is latex
 773                 string const inc_format = tmp->params().bufferFormat();
 774                 FileName const tmpwritefile(changeExtension(writefile.absFileName(),
 775                         theFormats().extension(inc_format)));
 776
 777                 // FIXME: handle non existing files
 778                 // The included file might be written in a different encoding
 779                 // and language.
 780                 Encoding const * const oldEnc = runparams.encoding;
 781                 Language const * const oldLang = runparams.master_language;
 782                 // If the master uses non-TeX fonts (XeTeX, LuaTeX),
 783                 // the children must be encoded in plain utf8!
 784                 runparams.encoding = masterBuffer->params().useNonTeXFonts ?
 785                         encodings.fromLyXName("utf8-plain")
 786                         : &tmp->params().encoding();
 787                 runparams.master_language = buffer().params().language;
 788                 runparams.par_begin = 0;
 789                 runparams.par_end = tmp->paragraphs().size();
 790                 runparams.is_child = true;
 791                 Buffer::ExportStatus retval =
 792                         tmp->makeLaTeXFile(tmpwritefile, masterFileName(buffer()).
 793                                 onlyPath().absFileName(), runparams, Buffer::OnlyBody);
 794                 if (retval == Buffer::ExportKilled && buffer().isClone() &&
 795                       buffer().isExporting()) {
 796                   // We really shouldn't get here, I don't think.
 797                   LYXERR0("No conversion exception?");
 798                         throw ConversionException();
 799                 }
 800                 else if (retval != Buffer::ExportSuccess) {
 801                         if (!runparams.silent) {
 802                                 docstring msg = bformat(_("Included file `%1$s' "
 803                                         "was not exported correctly.\n "
 804                                         "LaTeX export is probably incomplete."),
 805                                         included_file.displayName());
 806                                 ErrorList const & el = tmp->errorList("Export");
 807                                 if (!el.empty())
 808                                         msg = bformat(from_ascii("%1$s\n\n%2$s\n\n%3$s"),
 809                                                 msg, el.begin()->error,
 810                                                 el.begin()->description);
 811                                 throw ExceptionMessage(ErrorException, _("Error: "),
 812                                                        msg);
 813                         }
 814                 }
 815                 runparams.encoding = oldEnc;
 816                 runparams.master_language = oldLang;
 817                 runparams.is_child = false;
 818
 819                 // If needed, use converters to produce a latex file from the child
 820                 if (tmpwritefile != writefile) {
 821                         ErrorList el;
 822                         Converters::RetVal const retval =
 823                                 theConverters().convert(tmp, tmpwritefile, writefile,
 824                                     included_file, inc_format, tex_format, el);
 825                         if (retval == Converters::KILLED && buffer().isClone() &&
 826                             buffer().isExporting()) {
 827                                 // We really shouldn't get here, I don't think.
 828                                 LYXERR0("No conversion exception?");
 829                                 throw ConversionException();
 830                         } else if (retval != Converters::SUCCESS && !runparams.silent) {
 831                                 docstring msg = bformat(_("Included file `%1$s' "
 832                                                 "was not exported correctly.\n "
 833                                                 "LaTeX export is probably incomplete."),
 834                                                 included_file.displayName());
 835                                 if (!el.empty())
 836                                         msg = bformat(from_ascii("%1$s\n\n%2$s\n\n%3$s"),
 837                                                         msg, el.begin()->error,
 838                                                         el.begin()->description);
 839                                 throw ExceptionMessage(ErrorException, _("Error: "),
 840                                                        msg);
 841                         }
 842                 }
 843         } else {
 844                 // In this case, it's not a LyX file, so we copy the file
 845                 // to the temp dir, so that .aux files etc. are not created
 846                 // in the original dir. Files included by this file will be
 847                 // found via either the environment variable TEXINPUTS, or
 848                 // input@path, see ../Buffer.cpp.
 849                 unsigned long const checksum_in  = included_file.checksum();
 850                 unsigned long const checksum_out = writefile.checksum();
 851
 852                 if (checksum_in != checksum_out) {
 853                         if (!included_file.copyTo(writefile)) {
 854                                 // FIXME UNICODE
 855                                 LYXERR(Debug::LATEX,
 856                                         to_utf8(bformat(_("Could not copy the file\n%1$s\n"
 857                                                                         "into the temporary directory."),
 858                                                          from_utf8(included_file.absFileName()))));
 859                                 return;
 860                         }
 861                 }
 862         }
 863 }
 864
 865
 866 docstring InsetInclude::xhtml(XHTMLStream & xs, OutputParams const & rp) const
 867 {
 868         if (rp.inComment)
 869                  return docstring();
 870
 871         // For verbatim and listings, we just include the contents of the file as-is.
 872         // In the case of listings, we wrap it in <pre>.
 873         bool const listing = isListings(params());
 874         if (listing || isVerbatim(params())) {
 875                 if (listing)
 876                         xs << html::StartTag("pre");
 877                 // FIXME: We don't know the encoding of the file, default to UTF-8.
 878                 xs << includedFileName(buffer(), params()).fileContents("UTF-8");
 879                 if (listing)
 880                         xs << html::EndTag("pre");
 881                 return docstring();
 882         }
 883
 884         // We don't (yet) know how to Input or Include non-LyX files.
 885         // (If we wanted to get really arcane, we could run some tex2html
 886         // converter on the included file. But that's just masochistic.)
 887         FileName const included_file = includedFileName(buffer(), params());
 888         if (!isLyXFileName(included_file.absFileName())) {
 889                 if (!rp.silent)
 890                         frontend::Alert::warning(_("Unsupported Inclusion"),
 891                                          bformat(_("LyX does not know how to include non-LyX files when "
 892                                                    "generating HTML output. Offending file:\n%1$s"),
 893                                                     params()["filename"]));
 894                 return docstring();
 895         }
 896
 897         // In the other cases, we will generate the HTML and include it.
 898
 899         // Check we're not trying to include ourselves.
 900         // FIXME RECURSIVE INCLUDE
 901         if (buffer().absFileName() == included_file.absFileName()) {
 902                 Alert::error(_("Recursive input"),
 903                                bformat(_("Attempted to include file %1$s in itself! "
 904                                "Ignoring inclusion."), params()["filename"]));
 905                 return docstring();
 906         }
 907
 908         Buffer const * const ibuf = loadIfNeeded();
 909         if (!ibuf)
 910                 return docstring();
 911
 912         // are we generating only some paragraphs, or all of them?
 913         bool const all_pars = !rp.dryrun ||
 914                         (rp.par_begin == 0 &&
 915                          rp.par_end == (int)buffer().text().paragraphs().size());
 916
 917         OutputParams op = rp;
 918         if (all_pars) {
 919                 op.par_begin = 0;
 920                 op.par_end = 0;
 921                 ibuf->writeLyXHTMLSource(xs.os(), op, Buffer::IncludedFile);
 922         } else
 923                 xs << XHTMLStream::ESCAPE_NONE
 924                    << "<!-- Included file: "
 925                    << from_utf8(included_file.absFileName())
 926                    << XHTMLStream::ESCAPE_NONE
 927                          << " -->";
 928         return docstring();
 929 }
 930
 931
 932 int InsetInclude::plaintext(odocstringstream & os,
 933         OutputParams const & op, size_t) const
 934 {
 935         // just write the filename if we're making a tooltip or toc entry,
 936         // or are generating this for advanced search
 937         if (op.for_tooltip || op.for_toc || op.for_search) {
 938                 os << '[' << screenLabel() << '\n'
 939                    << getParam("filename") << "\n]";
 940                 return PLAINTEXT_NEWLINE + 1; // one char on a separate line
 941         }
 942
 943         if (isVerbatim(params()) || isListings(params())) {
 944                 os << '[' << screenLabel() << '\n'
 945                    // FIXME: We don't know the encoding of the file, default to UTF-8.
 946                    << includedFileName(buffer(), params()).fileContents("UTF-8")
 947                    << "\n]";
 948                 return PLAINTEXT_NEWLINE + 1; // one char on a separate line
 949         }
 950
 951         Buffer const * const ibuf = loadIfNeeded();
 952         if (!ibuf) {
 953                 docstring const str = '[' + screenLabel() + ']';
 954                 os << str;
 955                 return str.size();
 956         }
 957         writePlaintextFile(*ibuf, os, op);
 958         return 0;
 959 }
 960
 961
 962 int InsetInclude::docbook(odocstream & os, OutputParams const & runparams) const
 963 {
 964         string incfile = to_utf8(params()["filename"]);
 965
 966         // Do nothing if no file name has been specified
 967         if (incfile.empty())
 968                 return 0;
 969
 970         string const included_file = includedFileName(buffer(), params()).absFileName();
 971
 972         // Check we're not trying to include ourselves.
 973         // FIXME RECURSIVE INCLUDE
 974         // This isn't sufficient, as the inclusion could be downstream.
 975         // But it'll have to do for now.
 976         if (buffer().absFileName() == included_file) {
 977                 Alert::error(_("Recursive input"),
 978                                bformat(_("Attempted to include file %1$s in itself! "
 979                                "Ignoring inclusion."), from_utf8(incfile)));
 980                 return 0;
 981         }
 982
 983         string exppath = incfile;
 984         if (!runparams.export_folder.empty()) {
 985                 exppath = makeAbsPath(exppath, runparams.export_folder).realPath();
 986                 FileName(exppath).onlyPath().createPath();
 987         }
 988
 989         // write it to a file (so far the complete file)
 990         string const exportfile = changeExtension(exppath, ".sgml");
 991         DocFileName writefile(changeExtension(included_file, ".sgml"));
 992
 993         Buffer * tmp = loadIfNeeded();
 994         if (tmp) {
 995                 string const mangled = writefile.mangledFileName();
 996                 writefile = makeAbsPath(mangled,
 997                                         buffer().masterBuffer()->temppath());
 998                 if (!runparams.nice)
 999                         incfile = mangled;
1000
1001                 LYXERR(Debug::LATEX, "incfile:" << incfile);
1002                 LYXERR(Debug::LATEX, "exportfile:" << exportfile);
1003                 LYXERR(Debug::LATEX, "writefile:" << writefile);
1004
1005                 tmp->makeDocBookFile(writefile, runparams, Buffer::OnlyBody);
1006         }
1007
1008         runparams.exportdata->addExternalFile("docbook", writefile,
1009                                               exportfile);
1010         runparams.exportdata->addExternalFile("docbook-xml", writefile,
1011                                               exportfile);
1012
1013         if (isVerbatim(params()) || isListings(params())) {
1014                 os << "<inlinegraphic fileref=\""
1015                    << '&' << include_label << ';'
1016                    << "\" format=\"linespecific\">";
1017         } else
1018                 os << '&' << include_label << ';';
1019
1020         return 0;
1021 }
1022
1023
1024 void InsetInclude::validate(LaTeXFeatures & features) const
1025 {
1026         LATTEST(&buffer() == &features.buffer());
1027
1028         string incfile = to_utf8(params()["filename"]);
1029         string const included_file =
1030                 includedFileName(buffer(), params()).absFileName();
1031
1032         string writefile;
1033         if (isLyXFileName(included_file))
1034                 writefile = changeExtension(included_file, ".sgml");
1035         else
1036                 writefile = included_file;
1037
1038         if (!features.runparams().nice && !isVerbatim(params()) && !isListings(params())) {
1039                 incfile = DocFileName(writefile).mangledFileName();
1040                 writefile = makeAbsPath(incfile,
1041                                         buffer().masterBuffer()->temppath()).absFileName();
1042         }
1043
1044         features.includeFile(include_label, writefile);
1045
1046         features.useInsetLayout(getLayout());
1047         if (isVerbatim(params()))
1048                 features.require("verbatim");
1049         else if (isListings(params())) {
1050                 if (buffer().params().use_minted) {
1051                         features.require("minted");
1052                         string const opts = to_utf8(params()["lstparams"]);
1053                         InsetListingsParams lstpars(opts);
1054                         if (!lstpars.isFloat() && contains(opts, "caption="))
1055                                 features.require("lyxmintcaption");
1056                 } else
1057                         features.require("listings");
1058         }
1059
1060         // Here we must do the fun stuff...
1061         // Load the file in the include if it needs
1062         // to be loaded:
1063         Buffer * const tmp = loadIfNeeded();
1064         if (tmp) {
1065                 // the file is loaded
1066                 // make sure the buffer isn't us
1067                 // FIXME RECURSIVE INCLUDES
1068                 // This is not sufficient, as recursive includes could be
1069                 // more than a file away. But it will do for now.
1070                 if (tmp && tmp != &buffer()) {
1071                         // We must temporarily change features.buffer,
1072                         // otherwise it would always be the master buffer,
1073                         // and nested includes would not work.
1074                         features.setBuffer(*tmp);
1075                         // Maybe this is already a child
1076                         bool const is_child =
1077                                 features.runparams().is_child;
1078                         features.runparams().is_child = true;
1079                         tmp->validate(features);
1080                         features.runparams().is_child = is_child;
1081                         features.setBuffer(buffer());
1082                 }
1083         }
1084 }
1085
1086
1087 void InsetInclude::collectBibKeys(InsetIterator const & /*di*/, FileNameList & checkedFiles) const
1088 {
1089         Buffer * child = loadIfNeeded();
1090         if (!child)
1091                 return;
1092         // FIXME RECURSIVE INCLUDE
1093         // This isn't sufficient, as the inclusion could be downstream.
1094         // But it'll have to do for now.
1095         if (child == &buffer())
1096                 return;
1097         child->collectBibKeys(checkedFiles);
1098 }
1099
1100
1101 void InsetInclude::metrics(MetricsInfo & mi, Dimension & dim) const
1102 {
1103         LBUFERR(mi.base.bv);
1104
1105         bool use_preview = false;
1106         if (RenderPreview::previewText()) {
1107                 graphics::PreviewImage const * pimage =
1108                         preview_->getPreviewImage(mi.base.bv->buffer());
1109                 use_preview = pimage && pimage->image();
1110         }
1111
1112         if (use_preview) {
1113                 preview_->metrics(mi, dim);
1114         } else {
1115                 if (!set_label_) {
1116                         set_label_ = true;
1117                         button_.update(screenLabel(), true, false);
1118                 }
1119                 button_.metrics(mi, dim);
1120         }
1121
1122         Box b(0, dim.wid, -dim.asc, dim.des);
1123         button_.setBox(b);
1124 }
1125
1126
1127 void InsetInclude::draw(PainterInfo & pi, int x, int y) const
1128 {
1129         LBUFERR(pi.base.bv);
1130
1131         bool use_preview = false;
1132         if (RenderPreview::previewText()) {
1133                 graphics::PreviewImage const * pimage =
1134                         preview_->getPreviewImage(pi.base.bv->buffer());
1135                 use_preview = pimage && pimage->image();
1136         }
1137
1138         if (use_preview)
1139                 preview_->draw(pi, x, y);
1140         else
1141                 button_.draw(pi, x, y);
1142 }
1143
1144
1145 void InsetInclude::write(ostream & os) const
1146 {
1147         params().Write(os, &buffer());
1148 }
1149
1150
1151 string InsetInclude::contextMenuName() const
1152 {
1153         return "context-include";
1154 }
1155
1156
1157 Inset::DisplayType InsetInclude::display() const
1158 {
1159         return type(params()) == INPUT ? Inline : AlignCenter;
1160 }
1161
1162
1163 docstring InsetInclude::layoutName() const
1164 {
1165         if (isListings(params()))
1166                 return from_ascii("IncludeListings");
1167         return InsetCommand::layoutName();
1168 }
1169
1170
1171 //
1172 // preview stuff
1173 //
1174
1175 void InsetInclude::fileChanged() const
1176 {
1177         Buffer const * const buffer = updateFrontend();
1178         if (!buffer)
1179                 return;
1180
1181         preview_->removePreview(*buffer);
1182         add_preview(*preview_, *this, *buffer);
1183         preview_->startLoading(*buffer);
1184 }
1185
1186
1187 namespace {
1188
1189 bool preview_wanted(InsetCommandParams const & params, Buffer const & buffer)
1190 {
1191         FileName const included_file = includedFileName(buffer, params);
1192
1193         return type(params) == INPUT && params.preview() &&
1194                 included_file.isReadableFile();
1195 }
1196
1197
1198 docstring latexString(InsetInclude const & inset)
1199 {
1200         odocstringstream ods;
1201         otexstream os(ods);
1202         // We don't need to set runparams.encoding since this will be done
1203         // by latex() anyway.
1204         OutputParams runparams(0);
1205         runparams.flavor = OutputParams::LATEX;
1206         runparams.for_preview = true;
1207         inset.latex(os, runparams);
1208
1209         return ods.str();
1210 }
1211
1212
1213 void add_preview(RenderMonitoredPreview & renderer, InsetInclude const & inset,
1214                  Buffer const & buffer)
1215 {
1216         InsetCommandParams const & params = inset.params();
1217         if (RenderPreview::previewText() && preview_wanted(params, buffer)) {
1218                 renderer.setAbsFile(includedFileName(buffer, params));
1219                 docstring const snippet = latexString(inset);
1220                 renderer.addPreview(snippet, buffer);
1221         }
1222 }
1223
1224 } // namespace
1225
1226
1227 void InsetInclude::addPreview(DocIterator const & /*inset_pos*/,
1228         graphics::PreviewLoader & ploader) const
1229 {
1230         Buffer const & buffer = ploader.buffer();
1231         if (!preview_wanted(params(), buffer))
1232                 return;
1233         preview_->setAbsFile(includedFileName(buffer, params()));
1234         docstring const snippet = latexString(*this);
1235         preview_->addPreview(snippet, ploader);
1236 }
1237
1238
1239 void InsetInclude::addToToc(DocIterator const & cpit, bool output_active,
1240                             UpdateType utype, TocBackend & backend) const
1241 {
1242         if (isListings(params())) {
1243                 if (label_)
1244                         label_->addToToc(cpit, output_active, utype, backend);
1245                 TocBuilder & b = backend.builder("listing");
1246                 b.pushItem(cpit, screenLabel(), output_active);
1247                 InsetListingsParams p(to_utf8(params()["lstparams"]));
1248                 b.argumentItem(from_utf8(p.getParamValue("caption")));
1249                 b.pop();
1250         } else {
1251                 Buffer const * const childbuffer = getChildBuffer();
1252
1253                 TocBuilder & b = backend.builder("child");
1254                 docstring str = childbuffer ? childbuffer->fileName().displayName()
1255                         : from_ascii("?");
1256                 b.pushItem(cpit, str, output_active);
1257                 b.pop();
1258
1259                 if (!childbuffer)
1260                         return;
1261
1262                 // Update the child's tocBackend. The outliner uses the master's, but
1263                 // the navigation menu uses the child's.
1264                 childbuffer->tocBackend().update(output_active, utype);
1265                 // Include Tocs from children
1266                 childbuffer->inset().addToToc(DocIterator(), output_active, utype,
1267                                               backend);
1268                 //Copy missing outliner names (though the user has been warned against
1269                 //having different document class and module selection between master
1270                 //and child).
1271                 for (pair<string, docstring> const & name
1272                              : childbuffer->params().documentClass().outlinerNames())
1273                         backend.addName(name.first, translateIfPossible(name.second));
1274         }
1275 }
1276
1277
1278 void InsetInclude::updateCommand()
1279 {
1280         if (!label_)
1281                 return;
1282
1283         docstring old_label = label_->getParam("name");
1284         label_->updateLabel(old_label);
1285         // the label might have been adapted (duplicate)
1286         docstring new_label = label_->getParam("name");
1287         if (old_label == new_label)
1288                 return;
1289
1290         // update listings parameters...
1291         InsetCommandParams p(INCLUDE_CODE);
1292         p = params();
1293         InsetListingsParams par(to_utf8(params()["lstparams"]));
1294         par.addParam("label", "{" + to_utf8(new_label) + "}", true);
1295         p["lstparams"] = from_utf8(par.params());
1296         setParams(p);
1297 }
1298
1299
1300 void InsetInclude::updateBuffer(ParIterator const & it, UpdateType utype)
1301 {
1302         button_.update(screenLabel(), true, false);
1303
1304         Buffer const * const childbuffer = getChildBuffer();
1305         if (childbuffer) {
1306                 childbuffer->updateBuffer(Buffer::UpdateChildOnly, utype);
1307                 return;
1308         }
1309         if (!isListings(params()))
1310                 return;
1311
1312         if (label_)
1313                 label_->updateBuffer(it, utype);
1314
1315         InsetListingsParams const par(to_utf8(params()["lstparams"]));
1316         if (par.getParamValue("caption").empty()) {
1317                 listings_label_ = buffer().B_("Program Listing");
1318                 return;
1319         }
1320         Buffer const & master = *buffer().masterBuffer();
1321         Counters & counters = master.params().documentClass().counters();
1322         docstring const cnt = from_ascii("listing");
1323         listings_label_ = master.B_("Program Listing");
1324         if (counters.hasCounter(cnt)) {
1325                 counters.step(cnt, utype);
1326                 listings_label_ += " " + convert<docstring>(counters.value(cnt));
1327         }
1328 }
1329
1330
1331 } // namespace lyx