src/insets/InsetBibtex.cpp

   1 /**
   2  * \file InsetBibtex.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alejandro Aguilar Sierra
   7  * \author Richard Heck (BibTeX parser improvements)
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "InsetBibtex.h"
  15
  16 #include "Buffer.h"
  17 #include "BufferParams.h"
  18 #include "DispatchResult.h"
  19 #include "EmbeddedFiles.h"
  20 #include "Encoding.h"
  21 #include "FuncRequest.h"
  22 #include "LaTeXFeatures.h"
  23 #include "MetricsInfo.h"
  24 #include "OutputParams.h"
  25 #include "TextClass.h"
  26
  27 #include "frontends/alert.h"
  28
  29 #include "support/debug.h"
  30 #include "support/ExceptionMessage.h"
  31 #include "support/docstream.h"
  32 #include "support/filetools.h"
  33 #include "support/gettext.h"
  34 #include "support/lstrings.h"
  35 #include "support/os.h"
  36 #include "support/Path.h"
  37 #include "support/textutils.h"
  38
  39 #include <limits>
  40
  41 using namespace std;
  42 using namespace lyx::support;
  43
  44 namespace lyx {
  45
  46 namespace Alert = frontend::Alert;
  47 namespace os = support::os;
  48
  49
  50 InsetBibtex::InsetBibtex(InsetCommandParams const & p)
  51         : InsetCommand(p, "bibtex"), bibfiles_()
  52 {}
  53
  54
  55 ParamInfo const & InsetBibtex::findInfo(string const & /* cmdName */)
  56 {
  57         static ParamInfo param_info_;
  58         if (param_info_.empty()) {
  59                 param_info_.add("btprint", ParamInfo::LATEX_OPTIONAL);
  60                 param_info_.add("bibfiles", ParamInfo::LATEX_REQUIRED);
  61                 param_info_.add("embed", ParamInfo::LYX_INTERNAL);
  62                 param_info_.add("options", ParamInfo::LYX_INTERNAL);
  63         }
  64         return param_info_;
  65 }
  66
  67
  68 void InsetBibtex::doDispatch(Cursor & cur, FuncRequest & cmd)
  69 {
  70         switch (cmd.action) {
  71
  72         case LFUN_INSET_MODIFY: {
  73                 InsetCommandParams p(BIBTEX_CODE);
  74                 try {
  75                         if (!InsetCommandMailer::string2params("bibtex",
  76                                         to_utf8(cmd.argument()), p)) {
  77                                 cur.noUpdate();
  78                                 break;
  79                         }
  80                 } catch (ExceptionMessage const & message) {
  81                         if (message.type_ == WarningException) {
  82                                 Alert::warning(message.title_, message.details_);
  83                                 cur.noUpdate();
  84                         } else
  85                                 throw message;
  86                         break;
  87                 }
  88                 //
  89                 InsetCommandParams orig = params();
  90                 try {
  91                         // returned "embed" is composed of "true" or "false", which needs to be adjusted
  92                         createBibFiles(p["bibfiles"], p["embed"], true, true);
  93                         updateParam();
  94                 } catch (ExceptionMessage const & message) {
  95                         Alert::error(message.title_, message.details_);
  96                         // do not set parameter if an error happens
  97                         setParams(orig);
  98                         break;
  99                 }
 100                 buffer().updateBibfilesCache();
 101                 break;
 102         }
 103
 104         default:
 105                 InsetCommand::doDispatch(cur, cmd);
 106                 break;
 107         }
 108 }
 109
 110
 111 docstring InsetBibtex::screenLabel() const
 112 {
 113         return _("BibTeX Generated Bibliography");
 114 }
 115
 116
 117 static string normalizeName(Buffer const & buffer,
 118         OutputParams const & runparams, string const & name, string const & ext)
 119 {
 120         string const fname = makeAbsPath(name, buffer.filePath()).absFilename();
 121         if (FileName(name).isAbsolute() || !FileName(fname + ext).isReadableFile())
 122                 return name;
 123         if (!runparams.nice)
 124                 return fname;
 125
 126         // FIXME UNICODE
 127         return to_utf8(makeRelPath(from_utf8(fname),
 128                                          from_utf8(buffer.masterBuffer()->filePath())));
 129 }
 130
 131
 132 int InsetBibtex::latex(odocstream & os, OutputParams const & runparams) const
 133 {
 134         // the sequence of the commands:
 135         // 1. \bibliographystyle{style}
 136         // 2. \addcontentsline{...} - if option bibtotoc set
 137         // 3. \bibliography{database}
 138         // and with bibtopic:
 139         // 1. \bibliographystyle{style}
 140         // 2. \begin{btSect}{database}
 141         // 3. \btPrint{Cited|NotCited|All}
 142         // 4. \end{btSect}
 143
 144         // Database(s)
 145         // If we are processing the LaTeX file in a temp directory then
 146         // copy the .bib databases to this temp directory, mangling their
 147         // names in the process. Store this mangled name in the list of
 148         // all databases.
 149         // (We need to do all this because BibTeX *really*, *really*
 150         // can't handle "files with spaces" and Windows users tend to
 151         // use such filenames.)
 152         // Otherwise, store the (maybe absolute) path to the original,
 153         // unmangled database name.
 154         EmbeddedFileList::const_iterator it = bibfiles_.begin();
 155         EmbeddedFileList::const_iterator it_end = bibfiles_.end();
 156         odocstringstream dbs;
 157         for (; it != it_end; ++it) {
 158                 string utf8input = removeExtension(it->availableFile().absFilename());
 159                 string database =
 160                         normalizeName(buffer(), runparams, utf8input, ".bib");
 161                 FileName const try_in_file =
 162                         makeAbsPath(database + ".bib", buffer().filePath());
 163                 bool const not_from_texmf = try_in_file.isReadableFile();
 164
 165                 if (!runparams.inComment && !runparams.dryrun && !runparams.nice &&
 166                     not_from_texmf) {
 167
 168                         // mangledFilename() needs the extension
 169                         DocFileName const in_file = DocFileName(try_in_file);
 170                         database = removeExtension(in_file.mangledFilename());
 171                         FileName const out_file = makeAbsPath(database + ".bib",
 172                                         buffer().masterBuffer()->temppath());
 173
 174                         bool const success = in_file.copyTo(out_file);
 175                         if (!success) {
 176                                 lyxerr << "Failed to copy '" << in_file
 177                                        << "' to '" << out_file << "'"
 178                                        << endl;
 179                         }
 180                 } else if (!runparams.inComment && runparams.nice && not_from_texmf &&
 181                            !isValidLaTeXFilename(database)) {
 182                                 frontend::Alert::warning(_("Invalid filename"),
 183                                                          _("The following filename is likely to cause trouble "
 184                                                            "when running the exported file through LaTeX: ") +
 185                                                             from_utf8(database));
 186                 }
 187
 188                 if (it != bibfiles_.begin())
 189                         dbs << ',';
 190                 // FIXME UNICODE
 191                 dbs << from_utf8(latex_path(database));
 192         }
 193         docstring const db_out = dbs.str();
 194
 195         // Post this warning only once.
 196         static bool warned_about_spaces = false;
 197         if (!warned_about_spaces &&
 198             runparams.nice && db_out.find(' ') != docstring::npos) {
 199                 warned_about_spaces = true;
 200
 201                 Alert::warning(_("Export Warning!"),
 202                                _("There are spaces in the paths to your BibTeX databases.\n"
 203                                               "BibTeX will be unable to find them."));
 204         }
 205
 206         // Style-Options
 207         string style = to_utf8(getParam("options")); // maybe empty! and with bibtotoc
 208         string bibtotoc;
 209         if (prefixIs(style, "bibtotoc")) {
 210                 bibtotoc = "bibtotoc";
 211                 if (contains(style, ','))
 212                         style = split(style, bibtotoc, ',');
 213         }
 214
 215         // line count
 216         int nlines = 0;
 217
 218         if (!style.empty()) {
 219                 string base = normalizeName(buffer(), runparams, style, ".bst");
 220                 FileName const try_in_file =
 221                         makeAbsPath(base + ".bst", buffer().filePath());
 222                 bool const not_from_texmf = try_in_file.isReadableFile();
 223                 // If this style does not come from texmf and we are not
 224                 // exporting to .tex copy it to the tmp directory.
 225                 // This prevents problems with spaces and 8bit charcaters
 226                 // in the file name.
 227                 if (!runparams.inComment && !runparams.dryrun && !runparams.nice &&
 228                     not_from_texmf) {
 229                         // use new style name
 230                         DocFileName const in_file = DocFileName(try_in_file);
 231                         base = removeExtension(in_file.mangledFilename());
 232                         FileName const out_file = makeAbsPath(base + ".bst",
 233                                         buffer().masterBuffer()->temppath());
 234                         bool const success = in_file.copyTo(out_file);
 235                         if (!success) {
 236                                 lyxerr << "Failed to copy '" << in_file
 237                                        << "' to '" << out_file << "'"
 238                                        << endl;
 239                         }
 240                 }
 241                 // FIXME UNICODE
 242                 os << "\\bibliographystyle{"
 243                    << from_utf8(latex_path(normalizeName(buffer(), runparams, base, ".bst")))
 244                    << "}\n";
 245                 nlines += 1;
 246         }
 247
 248         // Post this warning only once.
 249         static bool warned_about_bst_spaces = false;
 250         if (!warned_about_bst_spaces && runparams.nice && contains(style, ' ')) {
 251                 warned_about_bst_spaces = true;
 252                 Alert::warning(_("Export Warning!"),
 253                                _("There are spaces in the path to your BibTeX style file.\n"
 254                                               "BibTeX will be unable to find it."));
 255         }
 256
 257         if (!db_out.empty() && buffer().params().use_bibtopic) {
 258                 os << "\\begin{btSect}{" << db_out << "}\n";
 259                 docstring btprint = getParam("btprint");
 260                 if (btprint.empty())
 261                         // default
 262                         btprint = from_ascii("btPrintCited");
 263                 os << "\\" << btprint << "\n"
 264                    << "\\end{btSect}\n";
 265                 nlines += 3;
 266         }
 267
 268         // bibtotoc-Option
 269         if (!bibtotoc.empty() && !buffer().params().use_bibtopic) {
 270                 if (buffer().params().documentClass().hasLaTeXLayout("chapter")) {
 271                         if (buffer().params().sides == OneSide) {
 272                                 // oneside
 273                                 os << "\\clearpage";
 274                         } else {
 275                                 // twoside
 276                                 os << "\\cleardoublepage";
 277                         }
 278                         os << "\\addcontentsline{toc}{chapter}{\\bibname}";
 279                 } else if (buffer().params().documentClass().hasLaTeXLayout("section"))
 280                         os << "\\addcontentsline{toc}{section}{\\refname}";
 281         }
 282
 283         if (!db_out.empty() && !buffer().params().use_bibtopic) {
 284                 docstring btprint = getParam("btprint");
 285                 if (btprint == "btPrintAll") {
 286                         os << "\\nocite{*}\n";
 287                         nlines += 1;
 288                 }
 289                 os << "\\bibliography{" << db_out << "}\n";
 290                 nlines += 1;
 291         }
 292
 293         return nlines;
 294 }
 295
 296
 297 EmbeddedFileList InsetBibtex::embeddedFiles() const
 298 {
 299         return bibfiles_;
 300 }
 301
 302 namespace {
 303
 304         // methods for parsing bibtex files
 305
 306         typedef map<docstring, docstring> VarMap;
 307
 308         /// remove whitespace characters, optionally a single comma,
 309         /// and further whitespace characters from the stream.
 310         /// @return true if a comma was found, false otherwise
 311         ///
 312         bool removeWSAndComma(idocfstream & ifs) {
 313                 char_type ch;
 314
 315                 if (!ifs)
 316                         return false;
 317
 318                 // skip whitespace
 319                 do {
 320                         ifs.get(ch);
 321                 } while (ifs && isSpace(ch));
 322
 323                 if (!ifs)
 324                         return false;
 325
 326                 if (ch != ',') {
 327                         ifs.putback(ch);
 328                         return false;
 329                 }
 330
 331                 // skip whitespace
 332                 do {
 333                         ifs.get(ch);
 334                 } while (ifs && isSpace(ch));
 335
 336                 if (ifs) {
 337                         ifs.putback(ch);
 338                 }
 339
 340                 return true;
 341         }
 342
 343
 344         enum charCase {
 345                 makeLowerCase,
 346                 keepCase
 347         };
 348
 349         /// remove whitespace characters, read characer sequence
 350         /// not containing whitespace characters or characters in
 351         /// delimChars, and remove further whitespace characters.
 352         ///
 353         /// @return true if a string of length > 0 could be read.
 354         ///
 355         bool readTypeOrKey(docstring & val, idocfstream & ifs,
 356                 docstring const & delimChars, docstring const &illegalChars,
 357                 charCase chCase) {
 358
 359                 char_type ch;
 360
 361                 val.clear();
 362
 363                 if (!ifs)
 364                         return false;
 365
 366                 // skip whitespace
 367                 do {
 368                         ifs.get(ch);
 369                 } while (ifs && isSpace(ch));
 370
 371                 if (!ifs)
 372                         return false;
 373
 374                 // read value
 375                 bool legalChar = true;
 376                 while (ifs && !isSpace(ch) &&
 377                                                  delimChars.find(ch) == docstring::npos &&
 378                                                  (legalChar = (illegalChars.find(ch) == docstring::npos))
 379                                         )
 380                 {
 381                         if (chCase == makeLowerCase)
 382                                 val += lowercase(ch);
 383                         else
 384                                 val += ch;
 385                         ifs.get(ch);
 386                 }
 387
 388                 if (!legalChar) {
 389                         ifs.putback(ch);
 390                         return false;
 391                 }
 392
 393                 // skip whitespace
 394                 while (ifs && isSpace(ch)) {
 395                         ifs.get(ch);
 396                 }
 397
 398                 if (ifs) {
 399                         ifs.putback(ch);
 400                 }
 401
 402                 return val.length() > 0;
 403         }
 404
 405         /// read subsequent bibtex values that are delimited with a #-character.
 406         /// Concatenate all parts and replace names with the associated string in
 407         /// the variable strings.
 408         /// @return true if reading was successfull (all single parts were delimited
 409         /// correctly)
 410         bool readValue(docstring & val, idocfstream & ifs, const VarMap & strings) {
 411
 412                 char_type ch;
 413
 414                 val.clear();
 415
 416                 if (!ifs)
 417                         return false;
 418
 419                 do {
 420                         // skip whitespace
 421                         do {
 422                                 ifs.get(ch);
 423                         } while (ifs && isSpace(ch));
 424
 425                         if (!ifs)
 426                                 return false;
 427
 428                         // check for field type
 429                         if (isDigit(ch)) {
 430
 431                                 // read integer value
 432                                 do {
 433                                         val += ch;
 434                                         ifs.get(ch);
 435                                 } while (ifs && isDigit(ch));
 436
 437                                 if (!ifs)
 438                                         return false;
 439
 440                         } else if (ch == '"' || ch == '{') {
 441                                 // set end delimiter
 442                                 char_type delim = ch == '"' ? '"': '}';
 443
 444                                 //Skip whitespace
 445                                 do {
 446                                         ifs.get(ch);
 447                                 } while (ifs && isSpace(ch));
 448
 449                                 if (!ifs)
 450                                         return false;
 451
 452                                 //We now have the first non-whitespace character
 453                                 //We'll collapse adjacent whitespace.
 454                                 bool lastWasWhiteSpace = false;
 455
 456                                 // inside this delimited text braces must match.
 457                                 // Thus we can have a closing delimiter only
 458                                 // when nestLevel == 0
 459                                 int nestLevel = 0;
 460
 461                                 while (ifs && (nestLevel > 0 || ch != delim)) {
 462                                         if (isSpace(ch)) {
 463                                                 lastWasWhiteSpace = true;
 464                                                 ifs.get(ch);
 465                                                 continue;
 466                                         }
 467                                         //We output the space only after we stop getting
 468                                         //whitespace so as not to output any whitespace
 469                                         //at the end of the value.
 470                                         if (lastWasWhiteSpace) {
 471                                                 lastWasWhiteSpace = false;
 472                                                 val += ' ';
 473                                         }
 474
 475                                         val += ch;
 476
 477                                         // update nesting level
 478                                         switch (ch) {
 479                                                 case '{':
 480                                                         ++nestLevel;
 481                                                         break;
 482                                                 case '}':
 483                                                         --nestLevel;
 484                                                         if (nestLevel < 0) return false;
 485                                                         break;
 486                                         }
 487
 488                                         ifs.get(ch);
 489                                 }
 490
 491                                 if (!ifs)
 492                                         return false;
 493
 494                                 ifs.get(ch);
 495
 496                                 if (!ifs)
 497                                         return false;
 498
 499                         } else {
 500
 501                                 // reading a string name
 502                                 docstring strName;
 503
 504                                 while (ifs && !isSpace(ch) && ch != '#' && ch != ',' && ch != '}' && ch != ')') {
 505                                         strName += lowercase(ch);
 506                                         ifs.get(ch);
 507                                 }
 508
 509                                 if (!ifs)
 510                                         return false;
 511
 512                                 // replace the string with its assigned value or
 513                                 // discard it if it's not assigned
 514                                 if (strName.length()) {
 515                                         VarMap::const_iterator pos = strings.find(strName);
 516                                         if (pos != strings.end()) {
 517                                                 val += pos->second;
 518                                         }
 519                                 }
 520                         }
 521
 522                         // skip WS
 523                         while (ifs && isSpace(ch)) {
 524                                 ifs.get(ch);
 525                         }
 526
 527                         if (!ifs)
 528                                 return false;
 529
 530                         // continue reading next value on concatenate with '#'
 531                 } while (ch == '#');
 532
 533                 ifs.putback(ch);
 534
 535                 return true;
 536         }
 537 }
 538
 539
 540 // This method returns a comma separated list of Bibtex entries
 541 void InsetBibtex::fillWithBibKeys(BiblioInfo & keylist,
 542         InsetIterator const & /*di*/) const
 543 {
 544         EmbeddedFileList const files = embeddedFiles();
 545         for (vector<EmbeddedFile>::const_iterator it = files.begin();
 546              it != files.end(); ++ it) {
 547                 // This bibtex parser is a first step to parse bibtex files
 548                 // more precisely.
 549                 //
 550                 // - it reads the whole bibtex entry and does a syntax check
 551                 //   (matching delimiters, missing commas,...
 552                 // - it recovers from errors starting with the next @-character
 553                 // - it reads @string definitions and replaces them in the
 554                 //   field values.
 555                 // - it accepts more characters in keys or value names than
 556                 //   bibtex does.
 557                 //
 558                 // Officially bibtex does only support ASCII, but in practice
 559                 // you can use the encoding of the main document as long as
 560                 // some elements like keys and names are pure ASCII. Therefore
 561                 // we convert the file from the buffer encoding.
 562                 // We don't restrict keys to ASCII in LyX, since our own
 563                 // InsetBibitem can generate non-ASCII keys, and nonstandard
 564                 // 8bit clean bibtex forks exist.
 565
 566                 idocfstream ifs(it->availableFile().toFilesystemEncoding().c_str(),
 567                         ios_base::in, buffer().params().encoding().iconvName());
 568
 569                 char_type ch;
 570                 VarMap strings;
 571
 572                 while (ifs) {
 573
 574                         ifs.get(ch);
 575                         if (!ifs)
 576                                 break;
 577
 578                         if (ch != '@')
 579                                 continue;
 580
 581                         docstring entryType;
 582
 583                         if (!readTypeOrKey(entryType, ifs, from_ascii("{("),
 584                                            docstring(), makeLowerCase) || !ifs)
 585                                 continue;
 586
 587                         if (entryType == from_ascii("comment")) {
 588
 589                                 ifs.ignore(numeric_limits<int>::max(), '\n');
 590                                 continue;
 591                         }
 592
 593                         ifs.get(ch);
 594                         if (!ifs)
 595                                 break;
 596
 597                         if ((ch != '(') && (ch != '{')) {
 598                                 // invalid entry delimiter
 599                                 ifs.putback(ch);
 600                                 continue;
 601                         }
 602
 603                         // process the entry
 604                         if (entryType == from_ascii("string")) {
 605
 606                                 // read string and add it to the strings map
 607                                 // (or replace it's old value)
 608                                 docstring name;
 609                                 docstring value;
 610
 611                                 if (!readTypeOrKey(name, ifs, from_ascii("="),
 612                                                    from_ascii("#{}(),"), makeLowerCase) || !ifs)
 613                                         continue;
 614
 615                                 // next char must be an equal sign
 616                                 ifs.get(ch);
 617                                 if (!ifs || ch != '=')
 618                                         continue;
 619
 620                                 if (!readValue(value, ifs, strings))
 621                                         continue;
 622
 623                                 strings[name] = value;
 624
 625                         } else if (entryType == from_ascii("preamble")) {
 626
 627                                 // preamble definitions are discarded.
 628                                 // can they be of any use in lyx?
 629                                 docstring value;
 630
 631                                 if (!readValue(value, ifs, strings))
 632                                         continue;
 633
 634                         } else {
 635
 636                                 // Citation entry. Try to read the key.
 637                                 docstring key;
 638
 639                                 if (!readTypeOrKey(key, ifs, from_ascii(","),
 640                                                    from_ascii("}"), keepCase) || !ifs)
 641                                         continue;
 642
 643                                 /////////////////////////////////////////////
 644                                 // now we have a key, so we will add an entry
 645                                 // (even if it's empty, as bibtex does)
 646                                 //
 647                                 // we now read the field = value pairs.
 648                                 // all items must be separated by a comma. If
 649                                 // it is missing the scanning of this entry is
 650                                 // stopped and the next is searched.
 651                                 docstring fields;
 652                                 docstring name;
 653                                 docstring value;
 654                                 docstring commaNewline;
 655                                 docstring data;
 656                                 BibTeXInfo keyvalmap(key, entryType);
 657
 658                                 bool readNext = removeWSAndComma(ifs);
 659
 660                                 while (ifs && readNext) {
 661
 662                                         // read field name
 663                                         if (!readTypeOrKey(name, ifs, from_ascii("="),
 664                                                            from_ascii("{}(),"), makeLowerCase) || !ifs)
 665                                                 break;
 666
 667                                         // next char must be an equal sign
 668                                         ifs.get(ch);
 669                                         if (!ifs)
 670                                                 break;
 671                                         if (ch != '=') {
 672                                                 ifs.putback(ch);
 673                                                 break;
 674                                         }
 675
 676                                         // read field value
 677                                         if (!readValue(value, ifs, strings))
 678                                                 break;
 679
 680                                         keyvalmap[name] = value;
 681                                         data += "\n\n" + value;
 682                                         keylist.addFieldName(name);
 683                                         readNext = removeWSAndComma(ifs);
 684                                 }
 685
 686                                 // add the new entry
 687                                 keylist.addEntryType(entryType);
 688                                 keyvalmap.setAllData(data);
 689                                 keylist[key] = keyvalmap;
 690                         }
 691                 } //< searching '@'
 692         } //< for loop over files
 693 }
 694
 695
 696
 697 bool InsetBibtex::addDatabase(string const & db)
 698 {
 699         EmbeddedFile file(changeExtension(db, "bib"), buffer().filePath());
 700
 701         // only compare filename
 702         EmbeddedFileList::iterator it = bibfiles_.begin();
 703         EmbeddedFileList::iterator it_end = bibfiles_.end();
 704         for (; it != it_end; ++it)
 705                 if (it->absFilename() == file.absFilename())
 706                         return false;
 707
 708         bibfiles_.push_back(file);
 709         updateParam();
 710         return true;
 711 }
 712
 713
 714 bool InsetBibtex::delDatabase(string const & db)
 715 {
 716         EmbeddedFile file(changeExtension(db, "bib"), buffer().filePath());
 717
 718         // only compare filename
 719         EmbeddedFileList::iterator it = bibfiles_.begin();
 720         EmbeddedFileList::iterator it_end = bibfiles_.end();
 721         for (; it != it_end; ++it)
 722                 if (it->absFilename() == file.absFilename()) {
 723                         bibfiles_.erase(it);
 724                         updateParam();
 725                         return true;
 726                 }
 727         return false;
 728 }
 729
 730
 731 void InsetBibtex::validate(LaTeXFeatures & features) const
 732 {
 733         if (features.bufferParams().use_bibtopic)
 734                 features.require("bibtopic");
 735 }
 736
 737
 738 void InsetBibtex::createBibFiles(docstring const & bibParam,
 739         docstring const & embedParam, bool boolStatus, bool updateFile) const
 740 {
 741         bibfiles_.clear();
 742
 743         string tmp;
 744         string emb;
 745
 746         string bibfiles = to_utf8(bibParam);
 747         string embedStatus = to_utf8(embedParam);
 748
 749         LYXERR(Debug::FILES, "Create bib files from parameters "
 750                 << bibfiles << " and " << embedStatus);
 751
 752         bibfiles = split(bibfiles, tmp, ',');
 753         embedStatus = split(embedStatus, emb, ',');
 754
 755         while (!tmp.empty()) {
 756                 EmbeddedFile file(changeExtension(tmp, "bib"), buffer().filePath());
 757
 758                 if (boolStatus) {
 759                         BOOST_ASSERT(emb == "true" || emb == "false");
 760                         file.setEmbed(emb == "true");
 761                 } else {
 762                         file.setInzipName(emb);
 763                         file.setEmbed(emb != "");
 764                 }
 765                 file.enable(buffer().embedded(), &buffer(), updateFile);
 766                 bibfiles_.push_back(file);
 767                 // Get next file name
 768                 bibfiles = split(bibfiles, tmp, ',');
 769                 embedStatus = split(embedStatus, emb, ',');
 770         }
 771 }
 772
 773
 774 void InsetBibtex::updateParam()
 775 {
 776         docstring bibfiles;
 777         docstring embed;
 778
 779         bool first = true;
 780         for (EmbeddedFileList::iterator it = bibfiles_.begin();
 781                 it != bibfiles_.end(); ++it) {
 782                 if (!first) {
 783                         bibfiles += ',';
 784                         embed += ',';
 785                 } else
 786                         first = false;
 787                 bibfiles += from_utf8(it->outputFilename(buffer().filePath()));
 788                 if (it->embedded())
 789                         embed += from_utf8(it->inzipName());
 790         }
 791         setParam("bibfiles", bibfiles);
 792         setParam("embed", embed);
 793 }
 794
 795
 796 void InsetBibtex::registerEmbeddedFiles(EmbeddedFileList & files) const
 797 {
 798         if (bibfiles_.empty())
 799                 createBibFiles(params()["bibfiles"], params()["embed"], false, false);
 800
 801         EmbeddedFileList::const_iterator it = bibfiles_.begin();
 802         EmbeddedFileList::const_iterator it_end = bibfiles_.end();
 803         for (; it != it_end; ++it)
 804                 files.registerFile(*it, this, buffer());
 805 }
 806
 807
 808 void InsetBibtex::updateEmbeddedFile(EmbeddedFile const & file)
 809 {
 810         // look for the item and update status
 811         for (EmbeddedFileList::iterator it = bibfiles_.begin();
 812                 it != bibfiles_.end(); ++it)
 813                 if (it->absFilename() == file.absFilename())
 814                         *it = file;
 815
 816         updateParam();
 817 }
 818
 819
 820 } // namespace lyx