src/insets/insetinclude.C

   1 /**
   2  * \file insetinclude.C
   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  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insetinclude.h"
  14
  15 #include "buffer.h"
  16 #include "buffer_funcs.h"
  17 #include "bufferlist.h"
  18 #include "bufferparams.h"
  19 #include "BufferView.h"
  20 #include "cursor.h"
  21 #include "debug.h"
  22 #include "dispatchresult.h"
  23 #include "exporter.h"
  24 #include "funcrequest.h"
  25 #include "FuncStatus.h"
  26 #include "gettext.h"
  27 #include "LaTeXFeatures.h"
  28 #include "lyx_main.h"
  29 #include "lyxrc.h"
  30 #include "lyxlex.h"
  31 #include "metricsinfo.h"
  32 #include "outputparams.h"
  33
  34 #include "frontends/Alert.h"
  35 #include "frontends/LyXView.h"
  36 #include "frontends/Painter.h"
  37
  38 #include "graphics/PreviewImage.h"
  39 #include "graphics/PreviewLoader.h"
  40
  41 #include "insets/render_preview.h"
  42
  43 #include "support/filename.h"
  44 #include "support/filetools.h"
  45 #include "support/lstrings.h" // contains
  46 #include "support/lyxlib.h"
  47 #include "support/convert.h"
  48
  49 #include <boost/bind.hpp>
  50 #include <boost/filesystem/operations.hpp>
  51
  52 #include "support/std_ostream.h"
  53
  54 #include <sstream>
  55
  56 using lyx::support::addName;
  57 using lyx::support::absolutePath;
  58 using lyx::support::bformat;
  59 using lyx::support::changeExtension;
  60 using lyx::support::contains;
  61 using lyx::support::copy;
  62 using lyx::support::FileName;
  63 using lyx::support::getFileContents;
  64 using lyx::support::isFileReadable;
  65 using lyx::support::isLyXFilename;
  66 using lyx::support::latex_path;
  67 using lyx::support::makeAbsPath;
  68 using lyx::support::makeDisplayPath;
  69 using lyx::support::makeRelPath;
  70 using lyx::support::onlyFilename;
  71 using lyx::support::onlyPath;
  72 using lyx::support::subst;
  73 using lyx::support::sum;
  74
  75 using std::endl;
  76 using std::string;
  77 using std::auto_ptr;
  78 using std::istringstream;
  79 using std::ostream;
  80 using std::ostringstream;
  81
  82 namespace fs = boost::filesystem;
  83
  84 extern BufferList bufferlist;
  85
  86
  87 namespace {
  88
  89 string const uniqueID()
  90 {
  91         static unsigned int seed = 1000;
  92         return "file" + convert<string>(++seed);
  93 }
  94
  95 } // namespace anon
  96
  97
  98 InsetInclude::InsetInclude(InsetCommandParams const & p)
  99         : params_(p), include_label(uniqueID()),
 100           preview_(new RenderMonitoredPreview(this)),
 101           set_label_(false)
 102 {
 103         preview_->fileChanged(boost::bind(&InsetInclude::fileChanged, this));
 104 }
 105
 106
 107 InsetInclude::InsetInclude(InsetInclude const & other)
 108         : InsetOld(other),
 109           params_(other.params_),
 110           include_label(other.include_label),
 111           preview_(new RenderMonitoredPreview(this)),
 112           set_label_(false)
 113 {
 114         preview_->fileChanged(boost::bind(&InsetInclude::fileChanged, this));
 115 }
 116
 117
 118 InsetInclude::~InsetInclude()
 119 {
 120         InsetIncludeMailer(*this).hideDialog();
 121 }
 122
 123
 124 void InsetInclude::doDispatch(LCursor & cur, FuncRequest & cmd)
 125 {
 126         switch (cmd.action) {
 127
 128         case LFUN_INSET_MODIFY: {
 129                 InsetCommandParams p;
 130                 InsetIncludeMailer::string2params(lyx::to_utf8(cmd.argument()), p);
 131                 if (!p.getCmdName().empty()) {
 132                         set(p, cur.buffer());
 133                         cur.buffer().updateBibfilesCache();
 134                 } else
 135                         cur.noUpdate();
 136                 break;
 137         }
 138
 139         case LFUN_INSET_DIALOG_UPDATE:
 140                 InsetIncludeMailer(*this).updateDialog(&cur.bv());
 141                 break;
 142
 143         case LFUN_MOUSE_RELEASE:
 144                 InsetIncludeMailer(*this).showDialog(&cur.bv());
 145                 break;
 146
 147         default:
 148                 InsetBase::doDispatch(cur, cmd);
 149                 break;
 150         }
 151 }
 152
 153
 154 bool InsetInclude::getStatus(LCursor & cur, FuncRequest const & cmd,
 155                 FuncStatus & flag) const
 156 {
 157         switch (cmd.action) {
 158
 159         case LFUN_INSET_MODIFY:
 160         case LFUN_INSET_DIALOG_UPDATE:
 161                 flag.enabled(true);
 162                 return true;
 163
 164         default:
 165                 return InsetBase::getStatus(cur, cmd, flag);
 166         }
 167 }
 168
 169
 170 InsetCommandParams const & InsetInclude::params() const
 171 {
 172         return params_;
 173 }
 174
 175
 176 namespace {
 177
 178 /// the type of inclusion
 179 enum Types {
 180         INCLUDE = 0,
 181         VERB = 1,
 182         INPUT = 2,
 183         VERBAST = 3
 184 };
 185
 186
 187 Types type(InsetCommandParams const & params)
 188 {
 189         string const command_name = params.getCmdName();
 190
 191         if (command_name == "input")
 192                 return INPUT;
 193         if  (command_name == "verbatiminput")
 194                 return VERB;
 195         if  (command_name == "verbatiminput*")
 196                 return VERBAST;
 197         return INCLUDE;
 198 }
 199
 200
 201 bool isVerbatim(InsetCommandParams const & params)
 202 {
 203         string const command_name = params.getCmdName();
 204         return command_name == "verbatiminput" ||
 205                 command_name == "verbatiminput*";
 206 }
 207
 208
 209 string const masterFilename(Buffer const & buffer)
 210 {
 211         return buffer.getMasterBuffer()->fileName();
 212 }
 213
 214
 215 string const parentFilename(Buffer const & buffer)
 216 {
 217         return buffer.fileName();
 218 }
 219
 220
 221 string const includedFilename(Buffer const & buffer,
 222                               InsetCommandParams const & params)
 223 {
 224         return makeAbsPath(params.getContents(),
 225                            onlyPath(parentFilename(buffer)));
 226 }
 227
 228
 229 void add_preview(RenderMonitoredPreview &, InsetInclude const &, Buffer const &);
 230
 231 } // namespace anon
 232
 233
 234 void InsetInclude::set(InsetCommandParams const & p, Buffer const & buffer)
 235 {
 236         params_ = p;
 237         set_label_ = false;
 238
 239         if (preview_->monitoring())
 240                 preview_->stopMonitoring();
 241
 242         if (type(params_) == INPUT)
 243                 add_preview(*preview_, *this, buffer);
 244 }
 245
 246
 247 auto_ptr<InsetBase> InsetInclude::doClone() const
 248 {
 249         return auto_ptr<InsetBase>(new InsetInclude(*this));
 250 }
 251
 252
 253 void InsetInclude::write(Buffer const &, ostream & os) const
 254 {
 255         write(os);
 256 }
 257
 258
 259 void InsetInclude::write(ostream & os) const
 260 {
 261         os << "Include " << params_.getCommand() << '\n'
 262            << "preview " << convert<string>(params_.preview()) << '\n';
 263 }
 264
 265
 266 void InsetInclude::read(Buffer const &, LyXLex & lex)
 267 {
 268         read(lex);
 269 }
 270
 271
 272 void InsetInclude::read(LyXLex & lex)
 273 {
 274         params_.read(lex);
 275 }
 276
 277
 278 string const InsetInclude::getScreenLabel(Buffer const &) const
 279 {
 280         string temp;
 281
 282         switch (type(params_)) {
 283                 case INPUT: temp += _("Input"); break;
 284                 case VERB: temp += _("Verbatim Input"); break;
 285                 case VERBAST: temp += _("Verbatim Input*"); break;
 286                 case INCLUDE: temp += _("Include"); break;
 287         }
 288
 289         temp += ": ";
 290
 291         if (params_.getContents().empty())
 292                 temp += "???";
 293         else
 294                 temp += onlyFilename(params_.getContents());
 295
 296         return temp;
 297 }
 298
 299
 300 namespace {
 301
 302 /// return the child buffer if the file is a LyX doc and is loaded
 303 Buffer * getChildBuffer(Buffer const & buffer, InsetCommandParams const & params)
 304 {
 305         if (isVerbatim(params))
 306                 return 0;
 307
 308         string const included_file = includedFilename(buffer, params);
 309         if (!isLyXFilename(included_file))
 310                 return 0;
 311
 312         return bufferlist.getBuffer(included_file);
 313 }
 314
 315
 316 /// return true if the file is or got loaded.
 317 bool loadIfNeeded(Buffer const & buffer, InsetCommandParams const & params)
 318 {
 319         if (isVerbatim(params))
 320                 return false;
 321
 322         string const included_file = includedFilename(buffer, params);
 323         if (!isLyXFilename(included_file))
 324                 return false;
 325
 326         Buffer * buf = bufferlist.getBuffer(included_file);
 327         if (!buf) {
 328                 // the readonly flag can/will be wrong, not anymore I think.
 329                 if (!fs::exists(included_file))
 330                         return false;
 331                 buf = bufferlist.newBuffer(included_file);
 332                 if (!loadLyXFile(buf, included_file))
 333                         return false;
 334         }
 335         if (buf)
 336                 buf->setParentName(parentFilename(buffer));
 337         return buf != 0;
 338 }
 339
 340
 341 } // namespace anon
 342
 343
 344 int InsetInclude::latex(Buffer const & buffer, ostream & os,
 345                         OutputParams const & runparams) const
 346 {
 347         string incfile(params_.getContents());
 348
 349         // Do nothing if no file name has been specified
 350         if (incfile.empty())
 351                 return 0;
 352
 353         string const included_file = includedFilename(buffer, params_);
 354         Buffer const * const m_buffer = buffer.getMasterBuffer();
 355
 356         // if incfile is relative, make it relative to the master
 357         // buffer directory.
 358         if (!absolutePath(incfile)) {
 359                 incfile = makeRelPath(included_file,
 360                                       m_buffer->filePath());
 361         }
 362
 363         // write it to a file (so far the complete file)
 364         string const exportfile = changeExtension(incfile, ".tex");
 365         string const mangled = FileName(changeExtension(included_file,
 366                                                         ".tex")).mangledFilename();
 367         string const writefile = makeAbsPath(mangled, m_buffer->temppath());
 368
 369         if (!runparams.nice)
 370                 incfile = mangled;
 371         lyxerr[Debug::LATEX] << "incfile:" << incfile << endl;
 372         lyxerr[Debug::LATEX] << "exportfile:" << exportfile << endl;
 373         lyxerr[Debug::LATEX] << "writefile:" << writefile << endl;
 374
 375         if (runparams.inComment || runparams.dryrun)
 376                 // Don't try to load or copy the file
 377                 ;
 378         else if (loadIfNeeded(buffer, params_)) {
 379                 Buffer * tmp = bufferlist.getBuffer(included_file);
 380
 381                 if (tmp->params().textclass != m_buffer->params().textclass) {
 382                         string text = bformat(_("Included file `%1$s'\n"
 383                                                 "has textclass `%2$s'\n"
 384                                                 "while parent file has textclass `%3$s'."),
 385                                               makeDisplayPath(included_file),
 386                                               tmp->params().getLyXTextClass().name(),
 387                                               m_buffer->params().getLyXTextClass().name());
 388                         Alert::warning(_("Different textclasses"), text);
 389                         //return 0;
 390                 }
 391
 392                 tmp->markDepClean(m_buffer->temppath());
 393
 394 #ifdef WITH_WARNINGS
 395 #warning handle non existing files
 396 #warning Second argument is irrelevant!
 397 // since only_body is true, makeLaTeXFile will not look at second
 398 // argument. Should we set it to string(), or should makeLaTeXFile
 399 // make use of it somehow? (JMarc 20031002)
 400 #endif
 401                 tmp->makeLaTeXFile(writefile,
 402                                    onlyPath(masterFilename(buffer)),
 403                                    runparams, false);
 404         } else {
 405                 // Copy the file to the temp dir, so that .aux files etc.
 406                 // are not created in the original dir. Files included by
 407                 // this file will be found via input@path, see ../buffer.C.
 408                 unsigned long const checksum_in  = sum(included_file);
 409                 unsigned long const checksum_out = sum(writefile);
 410
 411                 if (checksum_in != checksum_out) {
 412                         if (!copy(included_file, writefile)) {
 413                                 lyxerr[Debug::LATEX]
 414                                         << bformat(_("Could not copy the file\n%1$s\n"
 415                                                      "into the temporary directory."),
 416                                                    included_file)
 417                                         << endl;
 418                                 return 0;
 419                         }
 420                 }
 421         }
 422
 423         string const tex_format = (runparams.flavor == OutputParams::LATEX) ?
 424                         "latex" : "pdflatex";
 425         if (isVerbatim(params_)) {
 426                 incfile = latex_path(incfile);
 427                 os << '\\' << params_.getCmdName() << '{' << incfile << '}';
 428         } else if (type(params_) == INPUT) {
 429                 runparams.exportdata->addExternalFile(tex_format, writefile,
 430                                                       exportfile);
 431
 432                 // \input wants file with extension (default is .tex)
 433                 if (!isLyXFilename(included_file)) {
 434                         incfile = latex_path(incfile);
 435                         os << '\\' << params_.getCmdName() << '{' << incfile << '}';
 436                 } else {
 437                 incfile = changeExtension(incfile, ".tex");
 438                 incfile = latex_path(incfile);
 439                         os << '\\' << params_.getCmdName() << '{'
 440                            << incfile
 441                            <<  '}';
 442                 }
 443         } else {
 444                 runparams.exportdata->addExternalFile(tex_format, writefile,
 445                                                       exportfile);
 446
 447                 // \include don't want extension and demands that the
 448                 // file really have .tex
 449                 incfile = changeExtension(incfile, string());
 450                 incfile = latex_path(incfile);
 451                 os << '\\' << params_.getCmdName() << '{'
 452                    << incfile
 453                    << '}';
 454         }
 455
 456         return 0;
 457 }
 458
 459
 460 int InsetInclude::plaintext(Buffer const & buffer, ostream & os,
 461                         OutputParams const &) const
 462 {
 463         if (isVerbatim(params_))
 464                 os << getFileContents(includedFilename(buffer, params_));
 465         return 0;
 466 }
 467
 468
 469 int InsetInclude::docbook(Buffer const & buffer, ostream & os,
 470                           OutputParams const & runparams) const
 471 {
 472         string incfile(params_.getContents());
 473
 474         // Do nothing if no file name has been specified
 475         if (incfile.empty())
 476                 return 0;
 477
 478         string const included_file = includedFilename(buffer, params_);
 479
 480         // write it to a file (so far the complete file)
 481         string const exportfile = changeExtension(incfile, ".sgml");
 482         string writefile = changeExtension(included_file, ".sgml");
 483
 484         if (loadIfNeeded(buffer, params_)) {
 485                 Buffer * tmp = bufferlist.getBuffer(included_file);
 486
 487                 string const mangled = FileName(writefile).mangledFilename();
 488                 writefile = makeAbsPath(mangled,
 489                                         buffer.getMasterBuffer()->temppath());
 490                 if (!runparams.nice)
 491                         incfile = mangled;
 492
 493                 lyxerr[Debug::LATEX] << "incfile:" << incfile << endl;
 494                 lyxerr[Debug::LATEX] << "exportfile:" << exportfile << endl;
 495                 lyxerr[Debug::LATEX] << "writefile:" << writefile << endl;
 496
 497                 tmp->makeDocBookFile(writefile, runparams, true);
 498         }
 499
 500         runparams.exportdata->addExternalFile("docbook", writefile,
 501                                               exportfile);
 502         runparams.exportdata->addExternalFile("docbook-xml", writefile,
 503                                               exportfile);
 504
 505         if (isVerbatim(params_)) {
 506                 os << "<inlinegraphic fileref=\""
 507                    << '&' << include_label << ';'
 508                    << "\" format=\"linespecific\">";
 509         } else
 510                 os << '&' << include_label << ';';
 511
 512         return 0;
 513 }
 514
 515
 516 void InsetInclude::validate(LaTeXFeatures & features) const
 517 {
 518         string incfile(params_.getContents());
 519         string writefile;
 520
 521         Buffer const & buffer = features.buffer();
 522
 523         string const included_file = includedFilename(buffer, params_);
 524
 525         if (isLyXFilename(included_file))
 526                 writefile = changeExtension(included_file, ".sgml");
 527         else
 528                 writefile = included_file;
 529
 530         if (!features.runparams().nice && !isVerbatim(params_)) {
 531                 incfile = FileName(writefile).mangledFilename();
 532                 writefile = makeAbsPath(incfile,
 533                                         buffer.getMasterBuffer()->temppath());
 534         }
 535
 536         features.includeFile(include_label, writefile);
 537
 538         if (isVerbatim(params_))
 539                 features.require("verbatim");
 540
 541         // Here we must do the fun stuff...
 542         // Load the file in the include if it needs
 543         // to be loaded:
 544         if (loadIfNeeded(buffer, params_)) {
 545                 // a file got loaded
 546                 Buffer * const tmp = bufferlist.getBuffer(included_file);
 547                 if (tmp) {
 548                         // We must temporarily change features.buffer,
 549                         // otherwise it would always be the master buffer,
 550                         // and nested includes would not work.
 551                         features.setBuffer(*tmp);
 552                         tmp->validate(features);
 553                         features.setBuffer(buffer);
 554                 }
 555         }
 556 }
 557
 558
 559 void InsetInclude::getLabelList(Buffer const & buffer,
 560                                 std::vector<string> & list) const
 561 {
 562         if (loadIfNeeded(buffer, params_)) {
 563                 string const included_file = includedFilename(buffer, params_);
 564                 Buffer * tmp = bufferlist.getBuffer(included_file);
 565                 tmp->setParentName("");
 566                 tmp->getLabelList(list);
 567                 tmp->setParentName(parentFilename(buffer));
 568         }
 569 }
 570
 571
 572 void InsetInclude::fillWithBibKeys(Buffer const & buffer,
 573                                    std::vector<std::pair<string,string> > & keys) const
 574 {
 575         if (loadIfNeeded(buffer, params_)) {
 576                 string const included_file = includedFilename(buffer, params_);
 577                 Buffer * tmp = bufferlist.getBuffer(included_file);
 578                 tmp->setParentName("");
 579                 tmp->fillWithBibKeys(keys);
 580                 tmp->setParentName(parentFilename(buffer));
 581         }
 582 }
 583
 584
 585 void InsetInclude::updateBibfilesCache(Buffer const & buffer)
 586 {
 587         Buffer * const tmp = getChildBuffer(buffer, params_);
 588         if (tmp) {
 589                 tmp->setParentName("");
 590                 tmp->updateBibfilesCache();
 591                 tmp->setParentName(parentFilename(buffer));
 592         }
 593 }
 594
 595
 596 std::vector<string> const &
 597 InsetInclude::getBibfilesCache(Buffer const & buffer) const
 598 {
 599         Buffer * const tmp = getChildBuffer(buffer, params_);
 600         if (tmp) {
 601                 tmp->setParentName("");
 602                 std::vector<string> const & cache = tmp->getBibfilesCache();
 603                 tmp->setParentName(parentFilename(buffer));
 604                 return cache;
 605         }
 606         static std::vector<string> const empty;
 607         return empty;
 608 }
 609
 610
 611 void InsetInclude::metrics(MetricsInfo & mi, Dimension & dim) const
 612 {
 613         BOOST_ASSERT(mi.base.bv && mi.base.bv->buffer());
 614
 615         bool use_preview = false;
 616         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
 617                 lyx::graphics::PreviewImage const * pimage =
 618                         preview_->getPreviewImage(*mi.base.bv->buffer());
 619                 use_preview = pimage && pimage->image();
 620         }
 621
 622         if (use_preview) {
 623                 preview_->metrics(mi, dim);
 624         } else {
 625                 if (!set_label_) {
 626                         set_label_ = true;
 627                         button_.update(getScreenLabel(*mi.base.bv->buffer()),
 628                                        true);
 629                 }
 630                 button_.metrics(mi, dim);
 631         }
 632
 633         Box b(0, dim.wid, -dim.asc, dim.des);
 634         button_.setBox(b);
 635
 636         dim_ = dim;
 637 }
 638
 639
 640 void InsetInclude::draw(PainterInfo & pi, int x, int y) const
 641 {
 642         setPosCache(pi, x, y);
 643
 644         BOOST_ASSERT(pi.base.bv && pi.base.bv->buffer());
 645
 646         bool use_preview = false;
 647         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
 648                 lyx::graphics::PreviewImage const * pimage =
 649                         preview_->getPreviewImage(*pi.base.bv->buffer());
 650                 use_preview = pimage && pimage->image();
 651         }
 652
 653         if (use_preview)
 654                 preview_->draw(pi, x, y);
 655         else
 656                 button_.draw(pi, x, y);
 657 }
 658
 659 bool InsetInclude::display() const
 660 {
 661         return type(params_) != INPUT;
 662 }
 663
 664
 665
 666 //
 667 // preview stuff
 668 //
 669
 670 void InsetInclude::fileChanged() const
 671 {
 672         Buffer const * const buffer_ptr = LyX::cref().updateInset(this);
 673         if (!buffer_ptr)
 674                 return;
 675
 676         Buffer const & buffer = *buffer_ptr;
 677         preview_->removePreview(buffer);
 678         add_preview(*preview_.get(), *this, buffer);
 679         preview_->startLoading(buffer);
 680 }
 681
 682
 683 namespace {
 684
 685 bool preview_wanted(InsetCommandParams const & params, Buffer const & buffer)
 686 {
 687         string const included_file = includedFilename(buffer, params);
 688
 689         return type(params) == INPUT && params.preview() &&
 690                 isFileReadable(included_file);
 691 }
 692
 693
 694 string const latex_string(InsetInclude const & inset, Buffer const & buffer)
 695 {
 696         ostringstream os;
 697         OutputParams runparams;
 698         runparams.flavor = OutputParams::LATEX;
 699         inset.latex(buffer, os, runparams);
 700
 701         return os.str();
 702 }
 703
 704
 705 void add_preview(RenderMonitoredPreview & renderer, InsetInclude const & inset,
 706                  Buffer const & buffer)
 707 {
 708         InsetCommandParams const & params = inset.params();
 709         if (RenderPreview::status() != LyXRC::PREVIEW_OFF &&
 710             preview_wanted(params, buffer)) {
 711                 renderer.setAbsFile(includedFilename(buffer, params));
 712                 string const snippet = latex_string(inset, buffer);
 713                 renderer.addPreview(snippet, buffer);
 714         }
 715 }
 716
 717 } // namespace anon
 718
 719
 720 void InsetInclude::addPreview(lyx::graphics::PreviewLoader & ploader) const
 721 {
 722         Buffer const & buffer = ploader.buffer();
 723         if (preview_wanted(params(), buffer)) {
 724                 preview_->setAbsFile(includedFilename(buffer, params()));
 725                 string const snippet = latex_string(*this, buffer);
 726                 preview_->addPreview(snippet, ploader);
 727         }
 728 }
 729
 730
 731 string const InsetIncludeMailer::name_("include");
 732
 733 InsetIncludeMailer::InsetIncludeMailer(InsetInclude & inset)
 734         : inset_(inset)
 735 {}
 736
 737
 738 string const InsetIncludeMailer::inset2string(Buffer const &) const
 739 {
 740         return params2string(inset_.params());
 741 }
 742
 743
 744 void InsetIncludeMailer::string2params(string const & in,
 745                                        InsetCommandParams & params)
 746 {
 747         params = InsetCommandParams();
 748         if (in.empty())
 749                 return;
 750
 751         istringstream data(in);
 752         LyXLex lex(0,0);
 753         lex.setStream(data);
 754
 755         string name;
 756         lex >> name;
 757         if (!lex || name != name_)
 758                 return print_mailer_error("InsetIncludeMailer", in, 1, name_);
 759
 760         // This is part of the inset proper that is usually swallowed
 761         // by LyXText::readInset
 762         string id;
 763         lex >> id;
 764         if (!lex || id != "Include")
 765                 return print_mailer_error("InsetIncludeMailer", in, 2, "Include");
 766
 767         InsetInclude inset(params);
 768         inset.read(lex);
 769         params = inset.params();
 770 }
 771
 772
 773 string const
 774 InsetIncludeMailer::params2string(InsetCommandParams const & params)
 775 {
 776         InsetInclude inset(params);
 777         ostringstream data;
 778         data << name_ << ' ';
 779         inset.write(data);
 780         data << "\\end_inset\n";
 781         return data.str();
 782 }