3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Alfredo Braunstein
7 * \author Lars Gullik Bjønnes
8 * \author Jean-Marc Lasgouttes
9 * \author Angus Leeming
11 * \author Jürgen Spitzmüller
13 * Full author contact details are available in file CREDITS.
18 #include "BufferList.h"
25 #include "support/filetools.h"
26 #include "support/convert.h"
27 #include "support/lstrings.h"
28 #include "support/lyxlib.h"
29 #include "support/Systemcall.h"
30 #include "support/os.h"
32 #include <boost/filesystem/operations.hpp>
33 #include <boost/filesystem/path.hpp>
34 #include <boost/regex.hpp>
41 #ifndef CXX_GLOBAL_CSTD
55 using support::absolutePath;
56 using support::bformat;
57 using support::changeExtension;
58 using support::contains;
59 using support::FileName;
60 using support::findtexfile;
61 using support::getcwd;
62 using support::makeAbsPath;
63 using support::onlyFilename;
64 using support::prefixIs;
65 using support::quoteName;
66 using support::removeExtension;
68 using support::rsplit;
71 using support::suffixIs;
72 using support::Systemcall;
73 using support::unlink;
76 namespace os = support::os;
77 namespace fs = boost::filesystem;
79 // TODO: in no particular order
80 // - get rid of the call to
81 // BufferList::updateIncludedTeXfiles, this should either
82 // be done before calling LaTeX::funcs or in a completely
84 // - the makeindex style files should be taken care of with
85 // the dependency mechanism.
86 // - makeindex commandline options should be supported
87 // - somewhere support viewing of bibtex and makeindex log files.
88 // - we should perhaps also scan the bibtex log file
92 docstring runMessage(unsigned int count)
94 return bformat(_("Waiting for LaTeX run number %1$d"), count);
103 void TeXErrors::insertError(int line, docstring const & error_desc,
104 docstring const & error_text)
106 Error newerr(line, error_desc, error_text);
107 errors.push_back(newerr);
111 bool operator==(Aux_Info const & a, Aux_Info const & o)
113 return a.aux_file == o.aux_file &&
114 a.citations == o.citations &&
115 a.databases == o.databases &&
116 a.styles == o.styles;
120 bool operator!=(Aux_Info const & a, Aux_Info const & o)
130 LaTeX::LaTeX(string const & latex, OutputParams const & rp,
132 : cmd(latex), file(f), runparams(rp)
135 if (prefixIs(cmd, "pdf")) { // Do we use pdflatex ?
136 depfile = FileName(file.absFilename() + ".dep-pdf");
138 FileName(changeExtension(file.absFilename(), ".pdf"));
140 depfile = FileName(file.absFilename() + ".dep");
142 FileName(changeExtension(file.absFilename(), ".dvi"));
147 void LaTeX::deleteFilesOnError() const
149 // currently just a dummy function.
151 // What files do we have to delete?
153 // This will at least make latex do all the runs
156 // but the reason for the error might be in a generated file...
159 FileName const bbl(changeExtension(file.absFilename(), ".bbl"));
163 FileName const ind(changeExtension(file.absFilename(), ".ind"));
167 FileName const nls(changeExtension(file.absFilename(), ".nls"));
170 // nomencl file (old version of the package)
171 FileName const gls(changeExtension(file.absFilename(), ".gls"));
174 // Also remove the aux file
175 FileName const aux(changeExtension(file.absFilename(), ".aux"));
180 int LaTeX::run(TeXErrors & terr)
181 // We know that this function will only be run if the lyx buffer
182 // has been changed. We also know that a newly written .tex file
183 // is always different from the previous one because of the date
184 // in it. However it seems safe to run latex (at least) on time
185 // each time the .tex file changes.
187 int scanres = NO_ERRORS;
188 unsigned int count = 0; // number of times run
189 num_errors = 0; // just to make sure.
190 unsigned int const MAX_RUN = 6;
191 DepTable head; // empty head
192 bool rerun = false; // rerun requested
194 // The class LaTeX does not know the temp path.
195 theBufferList().updateIncludedTeXfiles(getcwd().absFilename(),
198 // Never write the depfile if an error was encountered.
201 // first check if the file dependencies exist:
202 // ->If it does exist
203 // check if any of the files mentioned in it have
204 // changed (done using a checksum).
206 // run latex once and
207 // remake the dependency file
208 // -> if not changed:
209 // just return there is nothing to do for us.
210 // ->if it doesn't exist
212 // run latex once (we need to run latex once anyway) and
213 // remake the dependency file.
216 bool had_depfile = depfile.exists();
217 bool run_bibtex = false;
218 FileName const aux_file(changeExtension(file.absFilename(), "aux"));
221 LYXERR(Debug::DEPEND, "Dependency file exists");
222 // Read the dep file:
223 had_depfile = head.read(depfile);
227 // Update the checksums
229 // Can't just check if anything has changed because it might
230 // have aborted on error last time... in which cas we need
231 // to re-run latex and collect the error messages
232 // (even if they are the same).
233 if (!output_file.exists()) {
234 LYXERR(Debug::DEPEND,
235 "re-running LaTeX because output file doesn't exist.");
236 } else if (!head.sumchange()) {
237 LYXERR(Debug::DEPEND, "return no_change");
240 LYXERR(Debug::DEPEND, "Dependency file has changed");
243 if (head.extchanged(".bib") || head.extchanged(".bst"))
246 LYXERR(Debug::DEPEND,
247 "Dependency file does not exist, or has wrong format");
249 /// We scan the aux file even when had_depfile = false,
250 /// because we can run pdflatex on the file after running latex on it,
251 /// in which case we will not need to run bibtex again.
252 vector<Aux_Info> bibtex_info_old;
254 bibtex_info_old = scanAuxFiles(aux_file);
257 LYXERR(Debug::LATEX, "Run #" << count);
258 message(runMessage(count));
261 scanres = scanLogFile(terr);
262 if (scanres & ERROR_RERUN) {
263 LYXERR(Debug::LATEX, "Rerunning LaTeX");
265 scanres = scanLogFile(terr);
268 if (scanres & ERRORS) {
269 deleteFilesOnError();
270 return scanres; // return on error
273 vector<Aux_Info> const bibtex_info = scanAuxFiles(aux_file);
274 if (!run_bibtex && bibtex_info_old != bibtex_info)
277 // update the dependencies.
278 deplog(head); // reads the latex log
282 // At this point we must run external programs if needed.
283 // makeindex will be run if a .idx file changed or was generated.
284 // And if there were undefined citations or changes in references
285 // the .aux file is checked for signs of bibtex. Bibtex is then run
288 // memoir (at least) writes an empty *idx file in the first place.
289 // A second latex run is needed.
290 FileName const idxfile(changeExtension(file.absFilename(), ".idx"));
291 rerun = idxfile.exists() && fs::is_empty(idxfile.toFilesystemEncoding());
294 if (head.haschanged(idxfile)) {
296 LYXERR(Debug::LATEX, "Running MakeIndex.");
297 message(_("Running MakeIndex."));
298 // onlyFilename() is needed for cygwin
299 rerun |= runMakeIndex(onlyFilename(idxfile.absFilename()),
302 FileName const nlofile(changeExtension(file.absFilename(), ".nlo"));
303 if (head.haschanged(nlofile))
304 rerun |= runMakeIndexNomencl(file, runparams, ".nlo", ".nls");
305 FileName const glofile(changeExtension(file.absFilename(), ".glo"));
306 if (head.haschanged(glofile))
307 rerun |= runMakeIndexNomencl(file, runparams, ".glo", ".gls");
310 // if (scanres & UNDEF_CIT || scanres & RERUN || run_bibtex)
311 if (scanres & UNDEF_CIT || run_bibtex) {
312 // Here we must scan the .aux file and look for
313 // "\bibdata" and/or "\bibstyle". If one of those
314 // tags is found -> run bibtex and set rerun = true;
316 LYXERR(Debug::LATEX, "Running BibTeX.");
317 message(_("Running BibTeX."));
318 updateBibtexDependencies(head, bibtex_info);
319 rerun |= runBibTeX(bibtex_info);
320 } else if (!had_depfile) {
321 /// If we run pdflatex on the file after running latex on it,
322 /// then we do not need to run bibtex, but we do need to
323 /// insert the .bib and .bst files into the .dep-pdf file.
324 updateBibtexDependencies(head, bibtex_info);
328 // we know on this point that latex has been run once (or we just
329 // returned) and the question now is to decide if we need to run
330 // it any more. This is done by asking if any of the files in the
331 // dependency file has changed. (remember that the checksum for
332 // a given file is reported to have changed if it just was created)
333 // -> if changed or rerun == true:
334 // run latex once more and
335 // update the dependency structure
336 // -> if not changed:
337 // we does nothing at this point
339 if (rerun || head.sumchange()) {
342 LYXERR(Debug::DEPEND, "Dep. file has changed or rerun requested");
343 LYXERR(Debug::LATEX, "Run #" << count);
344 message(runMessage(count));
346 scanres = scanLogFile(terr);
347 if (scanres & ERRORS) {
348 deleteFilesOnError();
349 return scanres; // return on error
352 // update the depedencies
353 deplog(head); // reads the latex log
356 LYXERR(Debug::DEPEND, "Dep. file has NOT changed");
360 // The inclusion of files generated by external programs like
361 // makeindex or bibtex might have done changes to pagenumbering,
362 // etc. And because of this we must run the external programs
363 // again to make sure everything is redone correctly.
364 // Also there should be no need to run the external programs any
367 // run makeindex if the <file>.idx has changed or was generated.
368 if (head.haschanged(idxfile)) {
370 LYXERR(Debug::LATEX, "Running MakeIndex.");
371 message(_("Running MakeIndex."));
372 // onlyFilename() is needed for cygwin
373 rerun = runMakeIndex(onlyFilename(changeExtension(
374 file.absFilename(), ".idx")), runparams);
377 // I am not pretty sure if need this twice.
378 if (head.haschanged(nlofile))
379 rerun |= runMakeIndexNomencl(file, runparams, ".nlo", ".nls");
380 if (head.haschanged(glofile))
381 rerun |= runMakeIndexNomencl(file, runparams, ".glo", ".gls");
384 // we will only run latex more if the log file asks for it.
385 // or if the sumchange() is true.
386 // -> rerun asked for:
388 // remake the dependency file
389 // goto 2 or return if max runs are reached.
390 // -> rerun not asked for:
391 // just return (fall out of bottom of func)
393 while ((head.sumchange() || rerun || (scanres & RERUN))
394 && count < MAX_RUN) {
395 // Yes rerun until message goes away, or until
396 // MAX_RUNS are reached.
399 LYXERR(Debug::LATEX, "Run #" << count);
400 message(runMessage(count));
402 scanres = scanLogFile(terr);
403 if (scanres & ERRORS) {
404 deleteFilesOnError();
405 return scanres; // return on error
412 // Write the dependencies to file.
414 LYXERR(Debug::LATEX, "Done.");
419 int LaTeX::startscript()
421 // onlyFilename() is needed for cygwin
422 string tmp = cmd + ' '
423 + quoteName(onlyFilename(file.toFilesystemEncoding()))
424 + " > " + os::nulldev();
426 return one.startscript(Systemcall::Wait, tmp);
430 bool LaTeX::runMakeIndex(string const & f, OutputParams const & runparams,
431 string const & params)
434 "idx file has been made, running makeindex on file " << f);
435 string tmp = lyxrc.index_command + ' ';
437 tmp = subst(tmp, "$$lang", runparams.document_language);
441 one.startscript(Systemcall::Wait, tmp);
446 bool LaTeX::runMakeIndexNomencl(FileName const & file,
447 OutputParams const & runparams,
448 string const & nlo, string const & nls)
450 LYXERR(Debug::LATEX, "Running MakeIndex for nomencl.");
451 message(_("Running MakeIndex for nomencl."));
452 // onlyFilename() is needed for cygwin
453 string const nomenclstr = " -s nomencl.ist -o "
454 + onlyFilename(changeExtension(file.toFilesystemEncoding(), nls));
456 onlyFilename(changeExtension(file.absFilename(), nlo)),
457 runparams, nomenclstr);
461 vector<Aux_Info> const
462 LaTeX::scanAuxFiles(FileName const & file)
464 vector<Aux_Info> result;
466 result.push_back(scanAuxFile(file));
468 string const basename = removeExtension(file.absFilename());
469 for (int i = 1; i < 1000; ++i) {
470 FileName const file2(basename
471 + '.' + convert<string>(i)
475 result.push_back(scanAuxFile(file2));
481 Aux_Info const LaTeX::scanAuxFile(FileName const & file)
484 result.aux_file = file;
485 scanAuxFile(file, result);
490 void LaTeX::scanAuxFile(FileName const & file, Aux_Info & aux_info)
492 LYXERR(Debug::LATEX, "Scanning aux file: " << file);
494 ifstream ifs(file.toFilesystemEncoding().c_str());
496 static regex const reg1("\\\\citation\\{([^}]+)\\}");
497 static regex const reg2("\\\\bibdata\\{([^}]+)\\}");
498 static regex const reg3("\\\\bibstyle\\{([^}]+)\\}");
499 static regex const reg4("\\\\@input\\{([^}]+)\\}");
501 while (getline(ifs, token)) {
502 token = rtrim(token, "\r");
504 // FIXME UNICODE: We assume that citation keys and filenames
505 // in the aux file are in the file system encoding.
506 token = to_utf8(from_filesystem8bit(token));
507 if (regex_match(token, sub, reg1)) {
508 string data = sub.str(1);
509 while (!data.empty()) {
511 data = split(data, citation, ',');
512 LYXERR(Debug::LATEX, "Citation: " << citation);
513 aux_info.citations.insert(citation);
515 } else if (regex_match(token, sub, reg2)) {
516 string data = sub.str(1);
517 // data is now all the bib files separated by ','
518 // get them one by one and pass them to the helper
519 while (!data.empty()) {
521 data = split(data, database, ',');
522 database = changeExtension(database, "bib");
523 LYXERR(Debug::LATEX, "BibTeX database: `" << database << '\'');
524 aux_info.databases.insert(database);
526 } else if (regex_match(token, sub, reg3)) {
527 string style = sub.str(1);
528 // token is now the style file
529 // pass it to the helper
530 style = changeExtension(style, "bst");
531 LYXERR(Debug::LATEX, "BibTeX style: `" << style << '\'');
532 aux_info.styles.insert(style);
533 } else if (regex_match(token, sub, reg4)) {
534 string const file2 = sub.str(1);
535 scanAuxFile(makeAbsPath(file2), aux_info);
541 void LaTeX::updateBibtexDependencies(DepTable & dep,
542 vector<Aux_Info> const & bibtex_info)
544 // Since a run of Bibtex mandates more latex runs it is ok to
545 // remove all ".bib" and ".bst" files.
546 dep.remove_files_with_extension(".bib");
547 dep.remove_files_with_extension(".bst");
548 //string aux = OnlyFilename(ChangeExtension(file, ".aux"));
550 for (vector<Aux_Info>::const_iterator it = bibtex_info.begin();
551 it != bibtex_info.end(); ++it) {
552 for (set<string>::const_iterator it2 = it->databases.begin();
553 it2 != it->databases.end(); ++it2) {
554 FileName const file = findtexfile(*it2, "bib");
556 dep.insert(file, true);
559 for (set<string>::const_iterator it2 = it->styles.begin();
560 it2 != it->styles.end(); ++it2) {
561 FileName const file = findtexfile(*it2, "bst");
563 dep.insert(file, true);
569 bool LaTeX::runBibTeX(vector<Aux_Info> const & bibtex_info)
572 for (vector<Aux_Info>::const_iterator it = bibtex_info.begin();
573 it != bibtex_info.end(); ++it) {
574 if (it->databases.empty())
578 string tmp = lyxrc.bibtex_command + " ";
579 // onlyFilename() is needed for cygwin
580 tmp += quoteName(onlyFilename(removeExtension(
581 it->aux_file.absFilename())));
583 one.startscript(Systemcall::Wait, tmp);
585 // Return whether bibtex was run
590 int LaTeX::scanLogFile(TeXErrors & terr)
594 int retval = NO_ERRORS;
596 onlyFilename(changeExtension(file.absFilename(), ".log"));
597 LYXERR(Debug::LATEX, "Log file: " << tmp);
598 FileName const fn = FileName(makeAbsPath(tmp));
599 ifstream ifs(fn.toFilesystemEncoding().c_str());
600 bool fle_style = false;
601 static regex file_line_error(".+\\.\\D+:[0-9]+: (.+)");
604 while (getline(ifs, token)) {
605 // MikTeX sometimes inserts \0 in the log file. They can't be
606 // removed directly with the existing string utility
607 // functions, so convert them first to \r, and remove all
608 // \r's afterwards, since we need to remove them anyway.
609 token = subst(token, '\0', '\r');
610 token = subst(token, "\r", "");
613 LYXERR(Debug::LATEX, "Log line: " << token);
618 if (contains(token, "file:line:error style messages enabled"))
621 if (prefixIs(token, "LaTeX Warning:") ||
622 prefixIs(token, "! pdfTeX warning")) {
623 // Here shall we handle different
625 retval |= LATEX_WARNING;
626 LYXERR(Debug::LATEX, "LaTeX Warning.");
627 if (contains(token, "Rerun to get cross-references")) {
629 LYXERR(Debug::LATEX, "We should rerun.");
630 } else if (contains(token, "Citation")
631 && contains(token, "on page")
632 && contains(token, "undefined")) {
635 } else if (prefixIs(token, "Package")) {
637 retval |= PACKAGE_WARNING;
638 if (contains(token, "natbib Warning:")) {
640 if (contains(token, "Citation")
641 && contains(token, "on page")
642 && contains(token, "undefined")) {
645 } else if (contains(token, "run BibTeX")) {
647 } else if (contains(token, "Rerun LaTeX") ||
648 contains(token, "Rerun to get")) {
649 // at least longtable.sty and bibtopic.sty
651 LYXERR(Debug::LATEX, "We should rerun.");
654 } else if (token[0] == '(') {
655 if (contains(token, "Rerun LaTeX") ||
656 contains(token, "Rerun to get")) {
658 LYXERR(Debug::LATEX, "We should rerun.");
661 } else if (prefixIs(token, "! ") ||
662 fle_style && regex_match(token, sub, file_line_error)) {
663 // Ok, we have something that looks like a TeX Error
664 // but what do we really have.
666 // Just get the error description:
668 if (prefixIs(token, "! "))
669 desc = string(token, 2);
672 if (contains(token, "LaTeX Error:"))
673 retval |= LATEX_ERROR;
678 if (!getline(ifs, tmp))
682 } while (!prefixIs(tmp, "l."));
683 if (prefixIs(tmp, "l.")) {
684 // we have a latex error
687 "Package babel Error: You haven't defined the language") ||
689 "Package babel Error: You haven't loaded the option"))
690 retval |= ERROR_RERUN;
691 // get the line number:
693 sscanf(tmp.c_str(), "l.%d", &line);
694 // get the rest of the message:
695 string errstr(tmp, tmp.find(' '));
698 while (!contains(errstr, "l.")
700 && !prefixIs(tmp, "! ")
701 && !contains(tmp, "(job aborted")) {
706 LYXERR(Debug::LATEX, "line: " << line << '\n'
707 << "Desc: " << desc << '\n' << "Text: " << errstr);
708 if (line == last_line)
714 if (line_count <= 5) {
716 // We have no idea what the encoding of
718 // It seems that the output from the
719 // latex compiler itself is pure ASCII,
720 // but it can include bits from the
721 // document, so whatever encoding we
722 // assume here it can be wrong.
723 terr.insertError(line,
724 from_local8bit(desc),
725 from_local8bit(errstr));
730 // information messages, TeX warnings and other
731 // warnings we have not caught earlier.
732 if (prefixIs(token, "Overfull ")) {
733 retval |= TEX_WARNING;
734 } else if (prefixIs(token, "Underfull ")) {
735 retval |= TEX_WARNING;
736 } else if (contains(token, "Rerun to get citations")) {
737 // Natbib seems to use this.
739 } else if (contains(token, "No pages of output")) {
740 // A dvi file was not created
742 } else if (contains(token, "That makes 100 errors")) {
743 // More than 100 errors were reprted
744 retval |= TOO_MANY_ERRORS;
748 LYXERR(Debug::LATEX, "Log line: " << token);
755 bool insertIfExists(FileName const & absname, DepTable & head)
757 if (absname.exists() && !absname.isDirectory()) {
758 head.insert(absname, true);
765 bool handleFoundFile(string const & ff, DepTable & head)
767 // convert from native os path to unix path
768 string foundfile = os::internal_path(trim(ff));
770 LYXERR(Debug::DEPEND, "Found file: " << foundfile);
772 // Ok now we found a file.
773 // Now we should make sure that this is a file that we can
774 // access through the normal paths.
775 // We will not try any fancy search methods to
778 // (1) foundfile is an
779 // absolute path and should
781 if (absolutePath(foundfile)) {
782 LYXERR(Debug::DEPEND, "AbsolutePath file: " << foundfile);
783 // On initial insert we want to do the update at once
784 // since this file cannot be a file generated by
786 FileName absname(foundfile);
787 if (!insertIfExists(absname, head)) {
789 string strippedfile = foundfile;
790 while (contains(strippedfile, " ")) {
791 // files with spaces are often enclosed in quotation
792 // marks; those have to be removed
793 string unquoted = subst(strippedfile, "\"", "");
794 absname.set(unquoted);
795 if (insertIfExists(absname, head))
797 // strip off part after last space and try again
798 string tmp = strippedfile;
799 string const stripoff =
800 rsplit(tmp, strippedfile, ' ');
801 absname.set(strippedfile);
802 if (insertIfExists(absname, head))
808 string onlyfile = onlyFilename(foundfile);
809 FileName absname(makeAbsPath(onlyfile));
812 while (contains(foundfile, ' ')) {
813 if (absname.exists())
817 // files with spaces are often enclosed in quotation
818 // marks; those have to be removed
819 string unquoted = subst(foundfile, "\"", "");
820 absname = makeAbsPath(unquoted);
821 if (absname.exists())
823 // strip off part after last space and try again
825 string const stripoff =
826 rsplit(foundfile, strippedfile, ' ');
827 foundfile = strippedfile;
828 onlyfile = onlyFilename(strippedfile);
829 absname = makeAbsPath(onlyfile);
833 // (2) foundfile is in the tmpdir
834 // insert it into head
835 if (absname.exists() && !absname.isDirectory()) {
836 // FIXME: This regex contained glo, but glo is used by the old
837 // version of nomencl.sty. Do we need to put it back?
838 static regex const unwanted("^.*\\.(aux|log|dvi|bbl|ind)$");
839 if (regex_match(onlyfile, unwanted)) {
840 LYXERR(Debug::DEPEND, "We don't want " << onlyfile
841 << " in the dep file");
842 } else if (suffixIs(onlyfile, ".tex")) {
843 // This is a tex file generated by LyX
844 // and latex is not likely to change this
846 LYXERR(Debug::DEPEND, "Tmpdir TeX file: " << onlyfile);
847 head.insert(absname, true);
849 LYXERR(Debug::DEPEND, "In tmpdir file:" << onlyfile);
850 head.insert(absname);
854 LYXERR(Debug::DEPEND, "Not a file or we are unable to find it.");
860 bool checkLineBreak(string const & ff, DepTable & head)
862 if (!contains(ff, '.'))
865 // if we have a dot, we let handleFoundFile decide
866 return handleFoundFile(ff, head);
872 void LaTeX::deplog(DepTable & head)
874 // This function reads the LaTeX log file end extracts all the
875 // external files used by the LaTeX run. The files are then
876 // entered into the dependency file.
878 string const logfile =
879 onlyFilename(changeExtension(file.absFilename(), ".log"));
881 static regex const reg1("File: (.+).*");
882 static regex const reg2("No file (.+)(.).*");
883 static regex const reg3("\\\\openout[0-9]+.*=.*`(.+)(..).*");
884 // If an index should be created, MikTex does not write a line like
885 // \openout# = 'sample.idx'.
886 // but instead only a line like this into the log:
887 // Writing index file sample.idx
888 static regex const reg4("Writing index file (.+).*");
889 // files also can be enclosed in <...>
890 static regex const reg5("<([^>]+)(.).*");
891 static regex const regoldnomencl("Writing glossary file (.+).*");
892 static regex const regnomencl("Writing nomenclature file (.+).*");
893 // If a toc should be created, MikTex does not write a line like
894 // \openout# = `sample.toc'.
895 // but only a line like this into the log:
897 // This line is also written by tetex.
898 // This line is not present if no toc should be created.
899 static regex const miktexTocReg("\\\\tf@toc=\\\\write.*");
900 static regex const reg6(".*\\([^)]+.*");
902 FileName const fn = makeAbsPath(logfile);
903 ifstream ifs(fn.toFilesystemEncoding().c_str());
906 // Ok, the scanning of files here is not sufficient.
907 // Sometimes files are named by "File: xxx" only
908 // So I think we should use some regexps to find files instead.
909 // Note: all file names and paths might contains spaces.
910 bool found_file = false;
913 // MikTeX sometimes inserts \0 in the log file. They can't be
914 // removed directly with the existing string utility
915 // functions, so convert them first to \r, and remove all
916 // \r's afterwards, since we need to remove them anyway.
917 token = subst(token, '\0', '\r');
918 token = subst(token, "\r", "");
919 if (token.empty() || token == ")") {
924 // Sometimes, filenames are broken across lines.
925 // We care for that and save suspicious lines.
926 // Here we exclude some cases where we are sure
927 // that there is no continued filename
928 if (!lastline.empty()) {
929 static regex const package_info("Package \\w+ Info: .*");
930 static regex const package_warning("Package \\w+ Warning: .*");
931 if (prefixIs(token, "File:") || prefixIs(token, "(Font)")
932 || prefixIs(token, "Package:")
933 || prefixIs(token, "Language:")
934 || prefixIs(token, "LaTeX Info:")
935 || prefixIs(token, "LaTeX Font Info:")
936 || prefixIs(token, "\\openout[")
937 || prefixIs(token, "))")
938 || regex_match(token, package_info)
939 || regex_match(token, package_warning))
943 if (!lastline.empty())
944 // probably a continued filename from last line
945 token = lastline + token;
946 if (token.length() > 255) {
947 // string too long. Cut off.
948 token.erase(0, token.length() - 251);
953 // FIXME UNICODE: We assume that the file names in the log
954 // file are in the file system encoding.
955 token = to_utf8(from_filesystem8bit(token));
957 // (1) "File: file.ext"
958 if (regex_match(token, sub, reg1)) {
960 found_file = checkLineBreak(sub.str(1), head);
962 if (suffixIs(token, ")"))
963 // no line break for sure
964 // pretend we've been succesfully searching
966 // (2) "No file file.ext"
967 } else if (regex_match(token, sub, reg2)) {
968 // file names must contains a dot, line ends with dot
969 if (contains(sub.str(1), '.') && sub.str(2) == ".")
970 found_file = handleFoundFile(sub.str(1), head);
972 // we suspect a line break
974 // (3) "\openout<nr> = `file.ext'."
975 } else if (regex_match(token, sub, reg3)) {
976 // search for closing '. at the end of the line
977 if (sub.str(2) == "\'.")
978 found_file = handleFoundFile(sub.str(1), head);
980 // probable line break
982 // (4) "Writing index file file.ext"
983 } else if (regex_match(token, sub, reg4))
985 found_file = checkLineBreak(sub.str(1), head);
987 else if (regex_match(token, sub, reg5)) {
988 // search for closing '>' and dot ('*.*>') at the eol
989 if (contains(sub.str(1), '.') && sub.str(2) == ">")
990 found_file = handleFoundFile(sub.str(1), head);
992 // probable line break
994 // (6) "Writing nomenclature file file.ext"
995 } else if (regex_match(token, sub, regnomencl) ||
996 regex_match(token, sub, regoldnomencl))
998 found_file = checkLineBreak(sub.str(1), head);
999 // (7) "\tf@toc=\write<nr>" (for MikTeX)
1000 else if (regex_match(token, sub, miktexTocReg))
1001 found_file = handleFoundFile(onlyFilename(changeExtension(
1002 file.absFilename(), ".toc")), head);
1004 // not found, but we won't check further
1005 // pretend we've been succesfully searching
1009 // note that we can have several of these on one line
1010 // this must be queried separated, because of
1011 // cases such as "File: file.ext (type eps)"
1012 // where "File: file.ext" would be skipped
1013 if (regex_match(token, sub, reg6)) {
1014 // search for strings in (...)
1015 static regex reg6_1("\\(([^()]+)(.).*");
1017 string::const_iterator first = token.begin();
1018 string::const_iterator end = token.end();
1020 while (regex_search(first, end, what, reg6_1)) {
1021 // if we have a dot, try to handle as file
1022 if (contains(what.str(1), '.')) {
1023 first = what[0].second;
1024 if (what.str(2) == ")") {
1025 handleFoundFile(what.str(1), head);
1026 // since we had a closing bracket,
1027 // do not investigate further
1030 // if we have no closing bracket,
1031 // try to handle as file nevertheless
1032 found_file = handleFoundFile(
1033 what.str(1) + what.str(2), head);
1035 // if we do not have a dot, check if the line has
1036 // a closing bracket (else, we suspect a line break)
1037 else if (what.str(2) != ")") {
1038 first = what[0].second;
1041 // we have a closing bracket, so the content
1042 // is not a file name.
1043 // no need to investigate further
1044 // pretend we've been succesfully searching
1045 first = what[0].second;
1052 // probable linebreak:
1056 // no linebreak: reset
1057 lastline = string();
1060 // Make sure that the main .tex file is in the dependency file.
1061 head.insert(file, true);