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  *
   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.h"
  29 #include "LyXRC.h"
  30 #include "Lexer.h"
  31 #include "MetricsInfo.h"
  32 #include "OutputParams.h"
  33 #include "TocBackend.h"
  34
  35 #include "frontends/alert.h"
  36 #include "frontends/Painter.h"
  37
  38 #include "graphics/PreviewImage.h"
  39 #include "graphics/PreviewLoader.h"
  40
  41 #include "insets/RenderPreview.h"
  42 #include "insets/InsetListingsParams.h"
  43
  44 #include "support/filetools.h"
  45 #include "support/lstrings.h" // contains
  46 #include "support/lyxalgo.h"
  47 #include "support/lyxlib.h"
  48 #include "support/convert.h"
  49
  50 #include <boost/bind.hpp>
  51 #include <boost/filesystem/operations.hpp>
  52
  53
  54 namespace lyx {
  55
  56 using support::addName;
  57 using support::absolutePath;
  58 using support::bformat;
  59 using support::changeExtension;
  60 using support::contains;
  61 using support::copy;
  62 using support::DocFileName;
  63 using support::FileName;
  64 using support::getFileContents;
  65 using support::getVectorFromString;
  66 using support::isFileReadable;
  67 using support::isLyXFilename;
  68 using support::latex_path;
  69 using support::makeAbsPath;
  70 using support::makeDisplayPath;
  71 using support::makeRelPath;
  72 using support::onlyFilename;
  73 using support::onlyPath;
  74 using support::prefixIs;
  75 using support::subst;
  76 using support::sum;
  77
  78 using std::endl;
  79 using std::string;
  80 using std::auto_ptr;
  81 using std::istringstream;
  82 using std::ostream;
  83 using std::ostringstream;
  84 using std::vector;
  85
  86 namespace Alert = frontend::Alert;
  87 namespace fs = boost::filesystem;
  88
  89
  90 namespace {
  91
  92 docstring const uniqueID()
  93 {
  94         static unsigned int seed = 1000;
  95         return "file" + convert<docstring>(++seed);
  96 }
  97
  98
  99 bool isListings(InsetCommandParams const & params)
 100 {
 101         return params.getCmdName() == "lstinputlisting";
 102 }
 103
 104 } // namespace anon
 105
 106
 107 InsetInclude::InsetInclude(InsetCommandParams const & p)
 108         : params_(p), include_label(uniqueID()),
 109           preview_(new RenderMonitoredPreview(this)),
 110           set_label_(false), counter_(0)
 111 {
 112         preview_->fileChanged(boost::bind(&InsetInclude::fileChanged, this));
 113 }
 114
 115
 116 InsetInclude::InsetInclude(InsetInclude const & other)
 117         : Inset(other),
 118           params_(other.params_),
 119           include_label(other.include_label),
 120           preview_(new RenderMonitoredPreview(this)),
 121           set_label_(false), counter_(0)
 122 {
 123         preview_->fileChanged(boost::bind(&InsetInclude::fileChanged, this));
 124 }
 125
 126
 127 InsetInclude::~InsetInclude()
 128 {
 129         InsetIncludeMailer(*this).hideDialog();
 130 }
 131
 132
 133 void InsetInclude::doDispatch(Cursor & cur, FuncRequest & cmd)
 134 {
 135         switch (cmd.action) {
 136
 137         case LFUN_INSET_MODIFY: {
 138                 InsetCommandParams p("include");
 139                 InsetIncludeMailer::string2params(to_utf8(cmd.argument()), p);
 140                 if (!p.getCmdName().empty()) {
 141                         if (isListings(p)){
 142                                 InsetListingsParams par_old(params().getOptions());
 143                                 InsetListingsParams par_new(p.getOptions());
 144                                 if (par_old.getParamValue("label") !=
 145                                     par_new.getParamValue("label")
 146                                     && !par_new.getParamValue("label").empty())
 147                                         cur.bv().buffer()->changeRefsIfUnique(
 148                                                 from_utf8(par_old.getParamValue("label")),
 149                                                 from_utf8(par_new.getParamValue("label")),
 150                                                 Inset::REF_CODE);
 151                         }
 152                         set(p, cur.buffer());
 153                         cur.buffer().updateBibfilesCache();
 154                 } else
 155                         cur.noUpdate();
 156                 break;
 157         }
 158
 159         case LFUN_INSET_DIALOG_UPDATE:
 160                 InsetIncludeMailer(*this).updateDialog(&cur.bv());
 161                 break;
 162
 163         case LFUN_MOUSE_RELEASE:
 164                 if (!cur.selection())
 165                         InsetIncludeMailer(*this).showDialog(&cur.bv());
 166                 break;
 167
 168         default:
 169                 Inset::doDispatch(cur, cmd);
 170                 break;
 171         }
 172 }
 173
 174
 175 bool InsetInclude::getStatus(Cursor & cur, FuncRequest const & cmd,
 176                 FuncStatus & flag) const
 177 {
 178         switch (cmd.action) {
 179
 180         case LFUN_INSET_MODIFY:
 181         case LFUN_INSET_DIALOG_UPDATE:
 182                 flag.enabled(true);
 183                 return true;
 184
 185         default:
 186                 return Inset::getStatus(cur, cmd, flag);
 187         }
 188 }
 189
 190
 191 InsetCommandParams const & InsetInclude::params() const
 192 {
 193         return params_;
 194 }
 195
 196
 197 namespace {
 198
 199 /// the type of inclusion
 200 enum Types {
 201         INCLUDE = 0,
 202         VERB = 1,
 203         INPUT = 2,
 204         VERBAST = 3,
 205         LISTINGS = 4,
 206 };
 207
 208
 209 Types type(InsetCommandParams const & params)
 210 {
 211         string const command_name = params.getCmdName();
 212
 213         if (command_name == "input")
 214                 return INPUT;
 215         if  (command_name == "verbatiminput")
 216                 return VERB;
 217         if  (command_name == "verbatiminput*")
 218                 return VERBAST;
 219         if  (command_name == "lstinputlisting")
 220                 return LISTINGS;
 221         return INCLUDE;
 222 }
 223
 224
 225 bool isVerbatim(InsetCommandParams const & params)
 226 {
 227         string const command_name = params.getCmdName();
 228         return command_name == "verbatiminput" ||
 229                 command_name == "verbatiminput*";
 230 }
 231
 232
 233 bool isInputOrInclude(InsetCommandParams const & params)
 234 {
 235         Types const t = type(params);
 236         return (t == INPUT) || (t == INCLUDE);
 237 }
 238
 239
 240 string const masterFilename(Buffer const & buffer)
 241 {
 242         return buffer.getMasterBuffer()->fileName();
 243 }
 244
 245
 246 string const parentFilename(Buffer const & buffer)
 247 {
 248         return buffer.fileName();
 249 }
 250
 251
 252 FileName const includedFilename(Buffer const & buffer,
 253                               InsetCommandParams const & params)
 254 {
 255         return makeAbsPath(to_utf8(params["filename"]),
 256                            onlyPath(parentFilename(buffer)));
 257 }
 258
 259
 260 void add_preview(RenderMonitoredPreview &, InsetInclude const &, Buffer const &);
 261
 262 } // namespace anon
 263
 264
 265 void InsetInclude::set(InsetCommandParams const & p, Buffer const & buffer)
 266 {
 267         params_ = p;
 268         set_label_ = false;
 269
 270         if (preview_->monitoring())
 271                 preview_->stopMonitoring();
 272
 273         if (type(params_) == INPUT)
 274                 add_preview(*preview_, *this, buffer);
 275 }
 276
 277
 278 auto_ptr<Inset> InsetInclude::doClone() const
 279 {
 280         return auto_ptr<Inset>(new InsetInclude(*this));
 281 }
 282
 283
 284 void InsetInclude::write(Buffer const &, ostream & os) const
 285 {
 286         write(os);
 287 }
 288
 289
 290 void InsetInclude::write(ostream & os) const
 291 {
 292         os << "Include " << to_utf8(params_.getCommand()) << '\n'
 293            << "preview " << convert<string>(params_.preview()) << '\n';
 294 }
 295
 296
 297 void InsetInclude::read(Buffer const &, Lexer & lex)
 298 {
 299         read(lex);
 300 }
 301
 302
 303 void InsetInclude::read(Lexer & lex)
 304 {
 305         if (lex.isOK()) {
 306                 lex.eatLine();
 307                 string const command = lex.getString();
 308                 params_.scanCommand(command);
 309         }
 310         string token;
 311         while (lex.isOK()) {
 312                 lex.next();
 313                 token = lex.getString();
 314                 if (token == "\\end_inset")
 315                         break;
 316                 if (token == "preview") {
 317                         lex.next();
 318                         params_.preview(lex.getBool());
 319                 } else
 320                         lex.printError("Unknown parameter name `$$Token' for command " + params_.getCmdName());
 321         }
 322         if (token != "\\end_inset") {
 323                 lex.printError("Missing \\end_inset at this point. "
 324                                "Read: `$$Token'");
 325         }
 326 }
 327
 328
 329 docstring const InsetInclude::getScreenLabel(Buffer const & buf) const
 330 {
 331         docstring temp;
 332
 333         switch (type(params_)) {
 334                 case INPUT:
 335                         temp += buf.B_("Input");
 336                         break;
 337                 case VERB:
 338                         temp += buf.B_("Verbatim Input");
 339                         break;
 340                 case VERBAST:
 341                         temp += buf.B_("Verbatim Input*");
 342                         break;
 343                 case INCLUDE:
 344                         temp += buf.B_("Include");
 345                         break;
 346                 case LISTINGS: {
 347                         if (counter_ > 0)
 348                                 temp += buf.B_("Program Listing ") + convert<docstring>(counter_);
 349                         else
 350                                 temp += buf.B_("Program Listing");
 351                         break;
 352                 }
 353         }
 354
 355         temp += ": ";
 356
 357         if (params_["filename"].empty())
 358                 temp += "???";
 359         else
 360                 temp += from_utf8(onlyFilename(to_utf8(params_["filename"])));
 361
 362         return temp;
 363 }
 364
 365
 366 namespace {
 367
 368 /// return the child buffer if the file is a LyX doc and is loaded
 369 Buffer * getChildBuffer(Buffer const & buffer, InsetCommandParams const & params)
 370 {
 371         if (isVerbatim(params) || isListings(params))
 372                 return 0;
 373
 374         string const included_file = includedFilename(buffer, params).absFilename();
 375         if (!isLyXFilename(included_file))
 376                 return 0;
 377
 378         Buffer * childBuffer = theBufferList().getBuffer(included_file);
 379
 380         //FIXME RECURSIVE INCLUDES
 381         if (childBuffer == & buffer)
 382                 return 0;
 383         else
 384                 return childBuffer;
 385 }
 386
 387
 388 /// return true if the file is or got loaded.
 389 bool loadIfNeeded(Buffer const & buffer, InsetCommandParams const & params)
 390 {
 391         if (isVerbatim(params) || isListings(params))
 392                 return false;
 393
 394         FileName const included_file = includedFilename(buffer, params);
 395         if (!isLyXFilename(included_file.absFilename()))
 396                 return false;
 397
 398         Buffer * buf = theBufferList().getBuffer(included_file.absFilename());
 399         if (!buf) {
 400                 // the readonly flag can/will be wrong, not anymore I think.
 401                 if (!fs::exists(included_file.toFilesystemEncoding()))
 402                         return false;
 403                 buf = theBufferList().newBuffer(included_file.absFilename());
 404                 if (!loadLyXFile(buf, included_file)) {
 405                         //close the buffer we just opened
 406                         theBufferList().close(buf, false);
 407                         return false;
 408                 }
 409         }
 410         buf->setParentName(parentFilename(buffer));
 411         return true;
 412 }
 413
 414
 415 } // namespace anon
 416
 417
 418 int InsetInclude::latex(Buffer const & buffer, odocstream & os,
 419                         OutputParams const & runparams) const
 420 {
 421         string incfile(to_utf8(params_["filename"]));
 422
 423         // Do nothing if no file name has been specified
 424         if (incfile.empty())
 425                 return 0;
 426
 427         FileName const included_file(includedFilename(buffer, params_));
 428
 429         //Check we're not trying to include ourselves.
 430         //FIXME RECURSIVE INCLUDE
 431         //This isn't sufficient, as the inclusion could be downstream.
 432         //But it'll have to do for now.
 433         if (isInputOrInclude(params_) &&
 434                 buffer.fileName() == included_file.toFilesystemEncoding())
 435         {
 436                 Alert::error(_("Recursive input"),
 437                                bformat(_("Attempted to include file %1$s in itself! "
 438                                "Ignoring inclusion."), from_utf8(incfile)));
 439                 return 0;
 440         }
 441
 442         Buffer const * const m_buffer = buffer.getMasterBuffer();
 443
 444         // if incfile is relative, make it relative to the master
 445         // buffer directory.
 446         if (!absolutePath(incfile)) {
 447                 // FIXME UNICODE
 448                 incfile = to_utf8(makeRelPath(from_utf8(included_file.absFilename()),
 449                                               from_utf8(m_buffer->filePath())));
 450         }
 451
 452         // write it to a file (so far the complete file)
 453         string const exportfile = changeExtension(incfile, ".tex");
 454         string const mangled =
 455                 DocFileName(changeExtension(included_file.absFilename(),".tex")).
 456                         mangledFilename();
 457         FileName const writefile(makeAbsPath(mangled, m_buffer->temppath()));
 458
 459         if (!runparams.nice)
 460                 incfile = mangled;
 461         LYXERR(Debug::LATEX) << "incfile:" << incfile << endl;
 462         LYXERR(Debug::LATEX) << "exportfile:" << exportfile << endl;
 463         LYXERR(Debug::LATEX) << "writefile:" << writefile << endl;
 464
 465         if (runparams.inComment || runparams.dryrun)
 466                 // Don't try to load or copy the file
 467                 ;
 468         //if it's a LyX file and we're including or inputting it...
 469         else if (isInputOrInclude(params_) &&
 470                  isLyXFilename(included_file.absFilename())) {
 471                 //try to load it so we can write the associated latex
 472                 if (!loadIfNeeded(buffer, params_))
 473                         return false;
 474
 475                 Buffer * tmp = theBufferList().getBuffer(included_file.absFilename());
 476
 477                 if (tmp->params().textclass != m_buffer->params().textclass) {
 478                         // FIXME UNICODE
 479                         docstring text = bformat(_("Included file `%1$s'\n"
 480                                                 "has textclass `%2$s'\n"
 481                                                              "while parent file has textclass `%3$s'."),
 482                                               makeDisplayPath(included_file.absFilename()),
 483                                               from_utf8(tmp->params().getTextClass().name()),
 484                                               from_utf8(m_buffer->params().getTextClass().name()));
 485                         Alert::warning(_("Different textclasses"), text);
 486                         //return 0;
 487                 }
 488
 489                 tmp->markDepClean(m_buffer->temppath());
 490
 491 #ifdef WITH_WARNINGS
 492 #warning handle non existing files
 493 #warning Second argument is irrelevant!
 494 // since only_body is true, makeLaTeXFile will not look at second
 495 // argument. Should we set it to string(), or should makeLaTeXFile
 496 // make use of it somehow? (JMarc 20031002)
 497 #endif
 498                 // The included file might be written in a different encoding
 499                 Encoding const * const oldEnc = runparams.encoding;
 500                 runparams.encoding = &tmp->params().encoding();
 501                 tmp->makeLaTeXFile(writefile,
 502                                    onlyPath(masterFilename(buffer)),
 503                                    runparams, false);
 504                 runparams.encoding = oldEnc;
 505         } else {
 506                 // Copy the file to the temp dir, so that .aux files etc.
 507                 // are not created in the original dir. Files included by
 508                 // this file will be found via input@path, see ../Buffer.cpp.
 509                 unsigned long const checksum_in  = sum(included_file);
 510                 unsigned long const checksum_out = sum(writefile);
 511
 512                 if (checksum_in != checksum_out) {
 513                         if (!copy(included_file, writefile)) {
 514                                 // FIXME UNICODE
 515                                 LYXERR(Debug::LATEX)
 516                                         << to_utf8(bformat(_("Could not copy the file\n%1$s\n"
 517                                                                   "into the temporary directory."),
 518                                                    from_utf8(included_file.absFilename())))
 519                                         << endl;
 520                                 return 0;
 521                         }
 522                 }
 523         }
 524
 525         string const tex_format = (runparams.flavor == OutputParams::LATEX) ?
 526                         "latex" : "pdflatex";
 527         if (isVerbatim(params_)) {
 528                 incfile = latex_path(incfile);
 529                 // FIXME UNICODE
 530                 os << '\\' << from_ascii(params_.getCmdName()) << '{'
 531                    << from_utf8(incfile) << '}';
 532         } else if (type(params_) == INPUT) {
 533                 runparams.exportdata->addExternalFile(tex_format, writefile,
 534                                                       exportfile);
 535
 536                 // \input wants file with extension (default is .tex)
 537                 if (!isLyXFilename(included_file.absFilename())) {
 538                         incfile = latex_path(incfile);
 539                         // FIXME UNICODE
 540                         os << '\\' << from_ascii(params_.getCmdName())
 541                            << '{' << from_utf8(incfile) << '}';
 542                 } else {
 543                 incfile = changeExtension(incfile, ".tex");
 544                 incfile = latex_path(incfile);
 545                         // FIXME UNICODE
 546                         os << '\\' << from_ascii(params_.getCmdName())
 547                            << '{' << from_utf8(incfile) <<  '}';
 548                 }
 549         } else if (type(params_) == LISTINGS) {
 550                 os << '\\' << from_ascii(params_.getCmdName());
 551                 string opt = params_.getOptions();
 552                 // opt is set in QInclude dialog and should have passed validation.
 553                 InsetListingsParams params(opt);
 554                 if (!params.params().empty())
 555                         os << "[" << from_utf8(params.params()) << "]";
 556                 os << '{'  << from_utf8(incfile) << '}';
 557         } else {
 558                 runparams.exportdata->addExternalFile(tex_format, writefile,
 559                                                       exportfile);
 560
 561                 // \include don't want extension and demands that the
 562                 // file really have .tex
 563                 incfile = changeExtension(incfile, string());
 564                 incfile = latex_path(incfile);
 565                 // FIXME UNICODE
 566                 os << '\\' << from_ascii(params_.getCmdName()) << '{'
 567                    << from_utf8(incfile) << '}';
 568         }
 569
 570         return 0;
 571 }
 572
 573
 574 int InsetInclude::plaintext(Buffer const & buffer, odocstream & os,
 575                             OutputParams const &) const
 576 {
 577         if (isVerbatim(params_) || isListings(params_)) {
 578                 os << '[' << getScreenLabel(buffer) << '\n';
 579                 // FIXME: We don't know the encoding of the file
 580                 docstring const str =
 581                      from_utf8(getFileContents(includedFilename(buffer, params_)));
 582                 os << str;
 583                 os << "\n]";
 584                 return PLAINTEXT_NEWLINE + 1; // one char on a separate line
 585         } else {
 586                 docstring const str = '[' + getScreenLabel(buffer) + ']';
 587                 os << str;
 588                 return str.size();
 589         }
 590 }
 591
 592
 593 int InsetInclude::docbook(Buffer const & buffer, odocstream & os,
 594                           OutputParams const & runparams) const
 595 {
 596         string incfile = to_utf8(params_["filename"]);
 597
 598         // Do nothing if no file name has been specified
 599         if (incfile.empty())
 600                 return 0;
 601
 602         string const included_file = includedFilename(buffer, params_).absFilename();
 603
 604         //Check we're not trying to include ourselves.
 605         //FIXME RECURSIVE INCLUDE
 606         //This isn't sufficient, as the inclusion could be downstream.
 607         //But it'll have to do for now.
 608         if (buffer.fileName() == included_file) {
 609                 Alert::error(_("Recursive input"),
 610                                bformat(_("Attempted to include file %1$s in itself! "
 611                                "Ignoring inclusion."), from_utf8(incfile)));
 612                 return 0;
 613         }
 614
 615         // write it to a file (so far the complete file)
 616         string const exportfile = changeExtension(incfile, ".sgml");
 617         DocFileName writefile(changeExtension(included_file, ".sgml"));
 618
 619         if (loadIfNeeded(buffer, params_)) {
 620                 Buffer * tmp = theBufferList().getBuffer(included_file);
 621
 622                 string const mangled = writefile.mangledFilename();
 623                 writefile = makeAbsPath(mangled,
 624                                         buffer.getMasterBuffer()->temppath());
 625                 if (!runparams.nice)
 626                         incfile = mangled;
 627
 628                 LYXERR(Debug::LATEX) << "incfile:" << incfile << endl;
 629                 LYXERR(Debug::LATEX) << "exportfile:" << exportfile << endl;
 630                 LYXERR(Debug::LATEX) << "writefile:" << writefile << endl;
 631
 632                 tmp->makeDocBookFile(writefile, runparams, true);
 633         }
 634
 635         runparams.exportdata->addExternalFile("docbook", writefile,
 636                                               exportfile);
 637         runparams.exportdata->addExternalFile("docbook-xml", writefile,
 638                                               exportfile);
 639
 640         if (isVerbatim(params_) || isListings(params_)) {
 641                 os << "<inlinegraphic fileref=\""
 642                    << '&' << include_label << ';'
 643                    << "\" format=\"linespecific\">";
 644         } else
 645                 os << '&' << include_label << ';';
 646
 647         return 0;
 648 }
 649
 650
 651 void InsetInclude::validate(LaTeXFeatures & features) const
 652 {
 653         string incfile(to_utf8(params_["filename"]));
 654         string writefile;
 655
 656         Buffer const & buffer = features.buffer();
 657
 658         string const included_file = includedFilename(buffer, params_).absFilename();
 659
 660         if (isLyXFilename(included_file))
 661                 writefile = changeExtension(included_file, ".sgml");
 662         else
 663                 writefile = included_file;
 664
 665         if (!features.runparams().nice && !isVerbatim(params_) && !isListings(params_)) {
 666                 incfile = DocFileName(writefile).mangledFilename();
 667                 writefile = makeAbsPath(incfile,
 668                                         buffer.getMasterBuffer()->temppath()).absFilename();
 669         }
 670
 671         features.includeFile(include_label, writefile);
 672
 673         if (isVerbatim(params_))
 674                 features.require("verbatim");
 675         else if (isListings(params_))
 676                 features.require("listings");
 677
 678         // Here we must do the fun stuff...
 679         // Load the file in the include if it needs
 680         // to be loaded:
 681         if (loadIfNeeded(buffer, params_)) {
 682                 // a file got loaded
 683                 Buffer * const tmp = theBufferList().getBuffer(included_file);
 684                 // make sure the buffer isn't us
 685                 // FIXME RECURSIVE INCLUDES
 686                 // This is not sufficient, as recursive includes could be
 687                 // more than a file away. But it will do for now.
 688                 if (tmp && tmp != & buffer) {
 689                         // We must temporarily change features.buffer,
 690                         // otherwise it would always be the master buffer,
 691                         // and nested includes would not work.
 692                         features.setBuffer(*tmp);
 693                         tmp->validate(features);
 694                         features.setBuffer(buffer);
 695                 }
 696         }
 697 }
 698
 699
 700 void InsetInclude::getLabelList(Buffer const & buffer,
 701                                 std::vector<docstring> & list) const
 702 {
 703         if (isListings(params_)) {
 704                 InsetListingsParams params(params_.getOptions());
 705                 string label = params.getParamValue("label");
 706                 if (!label.empty())
 707                         list.push_back(from_utf8(label));
 708         }
 709         else if (loadIfNeeded(buffer, params_)) {
 710                 string const included_file = includedFilename(buffer, params_).absFilename();
 711                 Buffer * tmp = theBufferList().getBuffer(included_file);
 712                 tmp->setParentName("");
 713                 tmp->getLabelList(list);
 714                 tmp->setParentName(parentFilename(buffer));
 715         }
 716 }
 717
 718
 719 void InsetInclude::fillWithBibKeys(Buffer const & buffer,
 720                 std::vector<std::pair<string, docstring> > & keys) const
 721 {
 722         if (loadIfNeeded(buffer, params_)) {
 723                 string const included_file = includedFilename(buffer, params_).absFilename();
 724                 Buffer * tmp = theBufferList().getBuffer(included_file);
 725                 tmp->setParentName("");
 726                 tmp->fillWithBibKeys(keys);
 727                 tmp->setParentName(parentFilename(buffer));
 728         }
 729 }
 730
 731
 732 void InsetInclude::updateBibfilesCache(Buffer const & buffer)
 733 {
 734         Buffer * const tmp = getChildBuffer(buffer, params_);
 735         if (tmp) {
 736                 tmp->setParentName("");
 737                 tmp->updateBibfilesCache();
 738                 tmp->setParentName(parentFilename(buffer));
 739         }
 740 }
 741
 742
 743 std::vector<FileName> const &
 744 InsetInclude::getBibfilesCache(Buffer const & buffer) const
 745 {
 746         Buffer * const tmp = getChildBuffer(buffer, params_);
 747         if (tmp) {
 748                 tmp->setParentName("");
 749                 std::vector<FileName> const & cache = tmp->getBibfilesCache();
 750                 tmp->setParentName(parentFilename(buffer));
 751                 return cache;
 752         }
 753         static std::vector<FileName> const empty;
 754         return empty;
 755 }
 756
 757
 758 bool InsetInclude::metrics(MetricsInfo & mi, Dimension & dim) const
 759 {
 760         BOOST_ASSERT(mi.base.bv && mi.base.bv->buffer());
 761
 762         bool use_preview = false;
 763         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
 764                 graphics::PreviewImage const * pimage =
 765                         preview_->getPreviewImage(*mi.base.bv->buffer());
 766                 use_preview = pimage && pimage->image();
 767         }
 768
 769         if (use_preview) {
 770                 preview_->metrics(mi, dim);
 771         } else {
 772                 if (!set_label_) {
 773                         set_label_ = true;
 774                         button_.update(getScreenLabel(*mi.base.bv->buffer()),
 775                                        true);
 776                 }
 777                 button_.metrics(mi, dim);
 778         }
 779
 780         Box b(0, dim.wid, -dim.asc, dim.des);
 781         button_.setBox(b);
 782
 783         bool const changed = dim_ != dim;
 784         dim_ = dim;
 785         return changed;
 786 }
 787
 788
 789 void InsetInclude::draw(PainterInfo & pi, int x, int y) const
 790 {
 791         setPosCache(pi, x, y);
 792
 793         BOOST_ASSERT(pi.base.bv && pi.base.bv->buffer());
 794
 795         bool use_preview = false;
 796         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
 797                 graphics::PreviewImage const * pimage =
 798                         preview_->getPreviewImage(*pi.base.bv->buffer());
 799                 use_preview = pimage && pimage->image();
 800         }
 801
 802         if (use_preview)
 803                 preview_->draw(pi, x, y);
 804         else
 805                 button_.draw(pi, x, y);
 806 }
 807
 808
 809 Inset::DisplayType InsetInclude::display() const
 810 {
 811         return type(params_) == INPUT ? Inline : AlignCenter;
 812 }
 813
 814
 815
 816 //
 817 // preview stuff
 818 //
 819
 820 void InsetInclude::fileChanged() const
 821 {
 822         Buffer const * const buffer_ptr = LyX::cref().updateInset(this);
 823         if (!buffer_ptr)
 824                 return;
 825
 826         Buffer const & buffer = *buffer_ptr;
 827         preview_->removePreview(buffer);
 828         add_preview(*preview_.get(), *this, buffer);
 829         preview_->startLoading(buffer);
 830 }
 831
 832
 833 namespace {
 834
 835 bool preview_wanted(InsetCommandParams const & params, Buffer const & buffer)
 836 {
 837         FileName const included_file = includedFilename(buffer, params);
 838
 839         return type(params) == INPUT && params.preview() &&
 840                 isFileReadable(included_file);
 841 }
 842
 843
 844 docstring const latex_string(InsetInclude const & inset, Buffer const & buffer)
 845 {
 846         odocstringstream os;
 847         // We don't need to set runparams.encoding since this will be done
 848         // by latex() anyway.
 849         OutputParams runparams(0);
 850         runparams.flavor = OutputParams::LATEX;
 851         inset.latex(buffer, os, runparams);
 852
 853         return os.str();
 854 }
 855
 856
 857 void add_preview(RenderMonitoredPreview & renderer, InsetInclude const & inset,
 858                  Buffer const & buffer)
 859 {
 860         InsetCommandParams const & params = inset.params();
 861         if (RenderPreview::status() != LyXRC::PREVIEW_OFF &&
 862             preview_wanted(params, buffer)) {
 863                 renderer.setAbsFile(includedFilename(buffer, params));
 864                 docstring const snippet = latex_string(inset, buffer);
 865                 renderer.addPreview(snippet, buffer);
 866         }
 867 }
 868
 869 } // namespace anon
 870
 871
 872 void InsetInclude::addPreview(graphics::PreviewLoader & ploader) const
 873 {
 874         Buffer const & buffer = ploader.buffer();
 875         if (preview_wanted(params(), buffer)) {
 876                 preview_->setAbsFile(includedFilename(buffer, params()));
 877                 docstring const snippet = latex_string(*this, buffer);
 878                 preview_->addPreview(snippet, ploader);
 879         }
 880 }
 881
 882
 883 void InsetInclude::addToToc(TocList & toclist, Buffer const & buffer) const
 884 {
 885         Buffer const * const childbuffer = getChildBuffer(buffer, params_);
 886         if (!childbuffer)
 887                 return;
 888
 889         TocList const & childtoclist = childbuffer->tocBackend().tocs();
 890         TocList::const_iterator it = childtoclist.begin();
 891         TocList::const_iterator const end = childtoclist.end();
 892         for(; it != end; ++it)
 893                 toclist[it->first].insert(toclist[it->first].end(),
 894                                 it->second.begin(), it->second.end());
 895 }
 896
 897
 898 void InsetInclude::updateLabels(Buffer const & buffer) const
 899 {
 900         Buffer const * const childbuffer = getChildBuffer(buffer, params_);
 901         if (!childbuffer)
 902                 return;
 903
 904         lyx::updateLabels(*childbuffer, true);
 905 }
 906
 907
 908 void InsetInclude::updateCounter(Counters & counters)
 909 {
 910         if (!isListings(params_))
 911                 return;
 912
 913         InsetListingsParams const par = params_.getOptions();
 914         if (par.getParamValue("caption").empty())
 915                 counter_ = 0;
 916         else {
 917                 counters.step(from_ascii("listing"));
 918                 counter_ = counters.value(from_ascii("listing"));
 919         }
 920 }
 921
 922
 923 string const InsetIncludeMailer::name_("include");
 924
 925 InsetIncludeMailer::InsetIncludeMailer(InsetInclude & inset)
 926         : inset_(inset)
 927 {}
 928
 929
 930 string const InsetIncludeMailer::inset2string(Buffer const &) const
 931 {
 932         return params2string(inset_.params());
 933 }
 934
 935
 936 void InsetIncludeMailer::string2params(string const & in,
 937                                        InsetCommandParams & params)
 938 {
 939         params.clear();
 940         if (in.empty())
 941                 return;
 942
 943         istringstream data(in);
 944         Lexer lex(0,0);
 945         lex.setStream(data);
 946
 947         string name;
 948         lex >> name;
 949         if (!lex || name != name_)
 950                 return print_mailer_error("InsetIncludeMailer", in, 1, name_);
 951
 952         // This is part of the inset proper that is usually swallowed
 953         // by Text::readInset
 954         string id;
 955         lex >> id;
 956         if (!lex || id != "Include")
 957                 return print_mailer_error("InsetIncludeMailer", in, 2, "Include");
 958
 959         InsetInclude inset(params);
 960         inset.read(lex);
 961         params = inset.params();
 962 }
 963
 964
 965 string const
 966 InsetIncludeMailer::params2string(InsetCommandParams const & params)
 967 {
 968         InsetInclude inset(params);
 969         ostringstream data;
 970         data << name_ << ' ';
 971         inset.write(data);
 972         data << "\\end_inset\n";
 973         return data.str();
 974 }
 975
 976
 977 } // namespace lyx