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