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 using support::absolutePath;
42 using support::bformat;
43 using support::changeExtension;
44 using support::contains;
45 using support::FileName;
46 using support::findtexfile;
47 using support::getcwd;
48 using support::makeAbsPath;
49 using support::onlyFilename;
50 using support::prefixIs;
51 using support::quoteName;
52 using support::removeExtension;
54 using support::rsplit;
57 using support::suffixIs;
58 using support::Systemcall;
59 using support::unlink;
62 namespace os = support::os;
63 namespace fs = boost::filesystem;
69 #ifndef CXX_GLOBAL_CSTD
80 // TODO: in no particular order
81 // - get rid of the call to
82 // BufferList::updateIncludedTeXfiles, this should either
83 // be done before calling LaTeX::funcs or in a completely
85 // - the makeindex style files should be taken care of with
86 // the dependency mechanism.
87 // - makeindex commandline options should be supported
88 // - somewhere support viewing of bibtex and makeindex log files.
89 // - we should perhaps also scan the bibtex log file
93 docstring runMessage(unsigned int count)
95 return bformat(_("Waiting for LaTeX run number %1$d"), count);
104 void TeXErrors::insertError(int line, docstring const & error_desc,
105 docstring const & error_text)
107 Error newerr(line, error_desc, error_text);
108 errors.push_back(newerr);
112 bool operator==(Aux_Info const & a, Aux_Info const & o)
114 return a.aux_file == o.aux_file &&
115 a.citations == o.citations &&
116 a.databases == o.databases &&
117 a.styles == o.styles;
121 bool operator!=(Aux_Info const & a, Aux_Info const & o)
131 LaTeX::LaTeX(string const & latex, OutputParams const & rp,
133 : cmd(latex), file(f), runparams(rp)
136 if (prefixIs(cmd, "pdf")) { // Do we use pdflatex ?
137 depfile = FileName(file.absFilename() + ".dep-pdf");
139 FileName(changeExtension(file.absFilename(), ".pdf"));
141 depfile = FileName(file.absFilename() + ".dep");
143 FileName(changeExtension(file.absFilename(), ".dvi"));
148 void LaTeX::deleteFilesOnError() const
150 // currently just a dummy function.
152 // What files do we have to delete?
154 // This will at least make latex do all the runs
157 // but the reason for the error might be in a generated file...
160 FileName const bbl(changeExtension(file.absFilename(), ".bbl"));
164 FileName const ind(changeExtension(file.absFilename(), ".ind"));
168 FileName const nls(changeExtension(file.absFilename(), ".nls"));
171 // Also remove the aux file
172 FileName const aux(changeExtension(file.absFilename(), ".aux"));
177 int LaTeX::run(TeXErrors & terr)
178 // We know that this function will only be run if the lyx buffer
179 // has been changed. We also know that a newly written .tex file
180 // is always different from the previous one because of the date
181 // in it. However it seems safe to run latex (at least) on time
182 // each time the .tex file changes.
184 int scanres = NO_ERRORS;
185 unsigned int count = 0; // number of times run
186 num_errors = 0; // just to make sure.
187 unsigned int const MAX_RUN = 6;
188 DepTable head; // empty head
189 bool rerun = false; // rerun requested
191 // The class LaTeX does not know the temp path.
192 theBufferList().updateIncludedTeXfiles(getcwd().absFilename(),
195 // Never write the depfile if an error was encountered.
198 // first check if the file dependencies exist:
199 // ->If it does exist
200 // check if any of the files mentioned in it have
201 // changed (done using a checksum).
203 // run latex once and
204 // remake the dependency file
205 // -> if not changed:
206 // just return there is nothing to do for us.
207 // ->if it doesn't exist
209 // run latex once (we need to run latex once anyway) and
210 // remake the dependency file.
213 bool had_depfile = fs::exists(depfile.toFilesystemEncoding());
214 bool run_bibtex = false;
215 FileName const aux_file(changeExtension(file.absFilename(), "aux"));
218 lyxerr[Debug::DEPEND] << "Dependency file exists" << endl;
219 // Read the dep file:
220 had_depfile = head.read(depfile);
224 // Update the checksums
226 // Can't just check if anything has changed because it might
227 // have aborted on error last time... in which cas we need
228 // to re-run latex and collect the error messages
229 // (even if they are the same).
230 if (!fs::exists(output_file.toFilesystemEncoding())) {
231 lyxerr[Debug::DEPEND]
232 << "re-running LaTeX because output file doesn't exist."
234 } else if (!head.sumchange()) {
235 lyxerr[Debug::DEPEND] << "return no_change" << endl;
238 lyxerr[Debug::DEPEND]
239 << "Dependency file has changed" << endl;
242 if (head.extchanged(".bib") || head.extchanged(".bst"))
245 lyxerr[Debug::DEPEND]
246 << "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 << endl;
258 message(runMessage(count));
261 scanres = scanLogFile(terr);
262 if (scanres & ERROR_RERUN) {
263 lyxerr[Debug::LATEX] << "Rerunning LaTeX" << endl;
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 = fs::exists(idxfile.toFilesystemEncoding()) &&
292 fs::is_empty(idxfile.toFilesystemEncoding());
295 if (head.haschanged(idxfile)) {
297 lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
298 message(_("Running MakeIndex."));
299 // onlyFilename() is needed for cygwin
300 rerun |= runMakeIndex(onlyFilename(idxfile.absFilename()),
303 if (head.haschanged(FileName(changeExtension(file.absFilename(), ".nlo")))) {
305 << "Running MakeIndex for nomencl."
307 message(_("Running MakeIndex for nomencl."));
308 // onlyFilename() is needed for cygwin
309 string const nomenclstr = " -s nomencl.ist -o "
310 + onlyFilename(changeExtension(
311 file.toFilesystemEncoding(), ".nls"));
312 rerun |= runMakeIndex(onlyFilename(changeExtension(
313 file.absFilename(), ".nlo")),
319 // if (scanres & UNDEF_CIT || scanres & RERUN || run_bibtex)
320 if (scanres & UNDEF_CIT || run_bibtex) {
321 // Here we must scan the .aux file and look for
322 // "\bibdata" and/or "\bibstyle". If one of those
323 // tags is found -> run bibtex and set rerun = true;
325 lyxerr[Debug::LATEX] << "Running BibTeX." << endl;
326 message(_("Running BibTeX."));
327 updateBibtexDependencies(head, bibtex_info);
328 rerun |= runBibTeX(bibtex_info);
329 } else if (!had_depfile) {
330 /// If we run pdflatex on the file after running latex on it,
331 /// then we do not need to run bibtex, but we do need to
332 /// insert the .bib and .bst files into the .dep-pdf file.
333 updateBibtexDependencies(head, bibtex_info);
337 // we know on this point that latex has been run once (or we just
338 // returned) and the question now is to decide if we need to run
339 // it any more. This is done by asking if any of the files in the
340 // dependency file has changed. (remember that the checksum for
341 // a given file is reported to have changed if it just was created)
342 // -> if changed or rerun == true:
343 // run latex once more and
344 // update the dependency structure
345 // -> if not changed:
346 // we does nothing at this point
348 if (rerun || head.sumchange()) {
351 lyxerr[Debug::DEPEND]
352 << "Dep. file has changed or rerun requested"
355 << "Run #" << count << endl;
356 message(runMessage(count));
358 scanres = scanLogFile(terr);
359 if (scanres & ERRORS) {
360 deleteFilesOnError();
361 return scanres; // return on error
364 // update the depedencies
365 deplog(head); // reads the latex log
368 lyxerr[Debug::DEPEND]
369 << "Dep. file has NOT changed"
374 // The inclusion of files generated by external programs like
375 // makeindex or bibtex might have done changes to pagenumbering,
376 // etc. And because of this we must run the external programs
377 // again to make sure everything is redone correctly.
378 // Also there should be no need to run the external programs any
381 // run makeindex if the <file>.idx has changed or was generated.
382 if (head.haschanged(FileName(changeExtension(file.absFilename(), ".idx")))) {
384 lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
385 message(_("Running MakeIndex."));
386 // onlyFilename() is needed for cygwin
387 rerun = runMakeIndex(onlyFilename(changeExtension(
388 file.absFilename(), ".idx")), runparams);
391 // I am not pretty sure if need this twice.
392 if (head.haschanged(FileName(changeExtension(file.absFilename(), ".nlo")))) {
394 << "Running MakeIndex for nomencl."
396 message(_("Running MakeIndex for nomencl."));
397 // onlyFilename() is needed for cygwin
398 string nomenclstr = " -s nomencl.ist -o "
399 + onlyFilename(changeExtension(
400 file.toFilesystemEncoding(), ".nls"));
401 rerun |= runMakeIndex(onlyFilename(changeExtension(
402 file.absFilename(), ".nlo")),
408 // we will only run latex more if the log file asks for it.
409 // or if the sumchange() is true.
410 // -> rerun asked for:
412 // remake the dependency file
413 // goto 2 or return if max runs are reached.
414 // -> rerun not asked for:
415 // just return (fall out of bottom of func)
417 while ((head.sumchange() || rerun || (scanres & RERUN))
418 && count < MAX_RUN) {
419 // Yes rerun until message goes away, or until
420 // MAX_RUNS are reached.
423 lyxerr[Debug::LATEX] << "Run #" << count << endl;
424 message(runMessage(count));
426 scanres = scanLogFile(terr);
427 if (scanres & ERRORS) {
428 deleteFilesOnError();
429 return scanres; // return on error
436 // Write the dependencies to file.
438 lyxerr[Debug::LATEX] << "Done." << endl;
443 int LaTeX::startscript()
445 // onlyFilename() is needed for cygwin
446 string tmp = cmd + ' '
447 + quoteName(onlyFilename(file.toFilesystemEncoding()))
448 + " > " + os::nulldev();
450 return one.startscript(Systemcall::Wait, tmp);
454 bool LaTeX::runMakeIndex(string const & f, OutputParams const & runparams,
455 string const & params)
458 << "idx file has been made, running makeindex on file "
460 string tmp = lyxrc.index_command + ' ';
462 tmp = subst(tmp, "$$lang", runparams.document_language);
466 one.startscript(Systemcall::Wait, tmp);
471 vector<Aux_Info> const
472 LaTeX::scanAuxFiles(FileName const & file)
474 vector<Aux_Info> result;
476 result.push_back(scanAuxFile(file));
478 string const basename = removeExtension(file.absFilename());
479 for (int i = 1; i < 1000; ++i) {
480 FileName const file2(basename
481 + '.' + convert<string>(i)
483 if (!fs::exists(file2.toFilesystemEncoding()))
485 result.push_back(scanAuxFile(file2));
491 Aux_Info const LaTeX::scanAuxFile(FileName const & file)
494 result.aux_file = file;
495 scanAuxFile(file, result);
500 void LaTeX::scanAuxFile(FileName const & file, Aux_Info & aux_info)
502 lyxerr[Debug::LATEX] << "Scanning aux file: " << file << endl;
504 ifstream ifs(file.toFilesystemEncoding().c_str());
506 static regex const reg1("\\\\citation\\{([^}]+)\\}");
507 static regex const reg2("\\\\bibdata\\{([^}]+)\\}");
508 static regex const reg3("\\\\bibstyle\\{([^}]+)\\}");
509 static regex const reg4("\\\\@input\\{([^}]+)\\}");
511 while (getline(ifs, token)) {
512 token = rtrim(token, "\r");
514 // FIXME UNICODE: We assume that citation keys and filenames
515 // in the aux file are in the file system encoding.
516 token = to_utf8(from_filesystem8bit(token));
517 if (regex_match(token, sub, reg1)) {
518 string data = sub.str(1);
519 while (!data.empty()) {
521 data = split(data, citation, ',');
522 lyxerr[Debug::LATEX] << "Citation: "
524 aux_info.citations.insert(citation);
526 } else if (regex_match(token, sub, reg2)) {
527 string data = sub.str(1);
528 // data is now all the bib files separated by ','
529 // get them one by one and pass them to the helper
530 while (!data.empty()) {
532 data = split(data, database, ',');
533 database = changeExtension(database, "bib");
534 lyxerr[Debug::LATEX] << "BibTeX database: `"
535 << database << '\'' << endl;
536 aux_info.databases.insert(database);
538 } else if (regex_match(token, sub, reg3)) {
539 string style = sub.str(1);
540 // token is now the style file
541 // pass it to the helper
542 style = changeExtension(style, "bst");
543 lyxerr[Debug::LATEX] << "BibTeX style: `"
544 << style << '\'' << endl;
545 aux_info.styles.insert(style);
546 } else if (regex_match(token, sub, reg4)) {
547 string const file2 = sub.str(1);
548 scanAuxFile(makeAbsPath(file2), aux_info);
554 void LaTeX::updateBibtexDependencies(DepTable & dep,
555 vector<Aux_Info> const & bibtex_info)
557 // Since a run of Bibtex mandates more latex runs it is ok to
558 // remove all ".bib" and ".bst" files.
559 dep.remove_files_with_extension(".bib");
560 dep.remove_files_with_extension(".bst");
561 //string aux = OnlyFilename(ChangeExtension(file, ".aux"));
563 for (vector<Aux_Info>::const_iterator it = bibtex_info.begin();
564 it != bibtex_info.end(); ++it) {
565 for (set<string>::const_iterator it2 = it->databases.begin();
566 it2 != it->databases.end(); ++it2) {
567 FileName const file = findtexfile(*it2, "bib");
569 dep.insert(file, true);
572 for (set<string>::const_iterator it2 = it->styles.begin();
573 it2 != it->styles.end(); ++it2) {
574 FileName const file = findtexfile(*it2, "bst");
576 dep.insert(file, true);
582 bool LaTeX::runBibTeX(vector<Aux_Info> const & bibtex_info)
585 for (vector<Aux_Info>::const_iterator it = bibtex_info.begin();
586 it != bibtex_info.end(); ++it) {
587 if (it->databases.empty())
591 string tmp = lyxrc.bibtex_command + " ";
592 // onlyFilename() is needed for cygwin
593 tmp += quoteName(onlyFilename(removeExtension(
594 it->aux_file.absFilename())));
596 one.startscript(Systemcall::Wait, tmp);
598 // Return whether bibtex was run
603 int LaTeX::scanLogFile(TeXErrors & terr)
607 int retval = NO_ERRORS;
609 onlyFilename(changeExtension(file.absFilename(), ".log"));
610 lyxerr[Debug::LATEX] << "Log file: " << tmp << endl;
611 FileName const fn = FileName(makeAbsPath(tmp));
612 ifstream ifs(fn.toFilesystemEncoding().c_str());
615 while (getline(ifs, token)) {
616 // MikTeX sometimes inserts \0 in the log file. They can't be
617 // removed directly with the existing string utility
618 // functions, so convert them first to \r, and remove all
619 // \r's afterwards, since we need to remove them anyway.
620 token = subst(token, '\0', '\r');
621 token = subst(token, "\r", "");
623 lyxerr[Debug::LATEX] << "Log line: " << token << endl;
628 if (prefixIs(token, "LaTeX Warning:") ||
629 prefixIs(token, "! pdfTeX warning")) {
630 // Here shall we handle different
632 retval |= LATEX_WARNING;
633 lyxerr[Debug::LATEX] << "LaTeX Warning." << endl;
634 if (contains(token, "Rerun to get cross-references")) {
637 << "We should rerun." << endl;
638 } else if (contains(token, "Citation")
639 && contains(token, "on page")
640 && contains(token, "undefined")) {
643 } else if (prefixIs(token, "Package")) {
645 retval |= PACKAGE_WARNING;
646 if (contains(token, "natbib Warning:")) {
648 if (contains(token, "Citation")
649 && contains(token, "on page")
650 && contains(token, "undefined")) {
653 } else if (contains(token, "run BibTeX")) {
655 } else if (contains(token, "Rerun LaTeX") ||
656 contains(token, "Rerun to get")) {
657 // at least longtable.sty and bibtopic.sty
660 << "We should rerun." << endl;
663 } else if (token[0] == '(') {
664 if (contains(token, "Rerun LaTeX") ||
665 contains(token, "Rerun to get")) {
668 << "We should rerun." << endl;
671 } else if (prefixIs(token, "! ")) {
672 // Ok, we have something that looks like a TeX Error
673 // but what do we really have.
675 // Just get the error description:
676 string desc(token, 2);
677 if (contains(token, "LaTeX Error:"))
678 retval |= LATEX_ERROR;
683 if (!getline(ifs, tmp))
687 } while (!prefixIs(tmp, "l."));
688 if (prefixIs(tmp, "l.")) {
689 // we have a latex error
692 "Package babel Error: You haven't defined the language"))
693 retval |= ERROR_RERUN;
694 // get the line number:
696 sscanf(tmp.c_str(), "l.%d", &line);
697 // get the rest of the message:
698 string errstr(tmp, tmp.find(' '));
701 while (!contains(errstr, "l.")
703 && !prefixIs(tmp, "! ")
704 && !contains(tmp, "(job aborted")) {
710 << "line: " << line << '\n'
711 << "Desc: " << desc << '\n'
712 << "Text: " << errstr << endl;
713 if (line == last_line)
719 if (line_count <= 5) {
721 // We have no idea what the encoding of
723 // It seems that the output from the
724 // latex compiler itself is pure ASCII,
725 // but it can include bits from the
726 // document, so whatever encoding we
727 // assume here it can be wrong.
728 terr.insertError(line,
729 from_local8bit(desc),
730 from_local8bit(errstr));
735 // information messages, TeX warnings and other
736 // warnings we have not caught earlier.
737 if (prefixIs(token, "Overfull ")) {
738 retval |= TEX_WARNING;
739 } else if (prefixIs(token, "Underfull ")) {
740 retval |= TEX_WARNING;
741 } else if (contains(token, "Rerun to get citations")) {
742 // Natbib seems to use this.
744 } else if (contains(token, "No pages of output")) {
745 // A dvi file was not created
747 } else if (contains(token, "That makes 100 errors")) {
748 // More than 100 errors were reprted
749 retval |= TOO_MANY_ERRORS;
753 lyxerr[Debug::LATEX] << "Log line: " << token << endl;
761 * Wrapper around fs::exists that can handle invalid file names.
762 * In theory we could test with fs::native whether a filename is valid
763 * before calling fs::exists, but in practice it is unusable: On windows it
764 * does not allow spaces, and on unix it does not allow absolute file names.
765 * This function has the disadvantage that it catches also other errors than
766 * invalid names, but for dependency checking we can live with that.
768 bool exists(FileName const & possible_name) {
770 return fs::exists(possible_name.toFilesystemEncoding());
772 catch (fs::filesystem_error const & fe) {
773 lyxerr[Debug::DEPEND] << "Got error `" << fe.what()
774 << "' while checking whether file `" << possible_name
775 << "' exists." << endl;
781 bool insertIfExists(FileName const & absname, DepTable & head)
783 if (exists(absname) &&
784 !fs::is_directory(absname.toFilesystemEncoding())) {
785 head.insert(absname, true);
792 bool handleFoundFile(string const & ff, DepTable & head)
794 // convert from native os path to unix path
795 string foundfile = os::internal_path(trim(ff));
797 lyxerr[Debug::DEPEND] << "Found file: " << foundfile << endl;
799 // Ok now we found a file.
800 // Now we should make sure that this is a file that we can
801 // access through the normal paths.
802 // We will not try any fancy search methods to
805 // (1) foundfile is an
806 // absolute path and should
808 if (absolutePath(foundfile)) {
809 lyxerr[Debug::DEPEND] << "AbsolutePath file: "
810 << foundfile << endl;
811 // On initial insert we want to do the update at once
812 // since this file cannot be a file generated by
814 FileName absname(foundfile);
815 if (!insertIfExists(absname, head)) {
817 string strippedfile = foundfile;
818 while (contains(strippedfile, " ")) {
819 // files with spaces are often enclosed in quotation
820 // marks; those have to be removed
821 string unquoted = subst(strippedfile, "\"", "");
822 absname.set(unquoted);
823 if (insertIfExists(absname, head))
825 // strip off part after last space and try again
826 string tmp = strippedfile;
827 string const stripoff =
828 rsplit(tmp, strippedfile, ' ');
829 absname.set(strippedfile);
830 if (insertIfExists(absname, head))
836 string onlyfile = onlyFilename(foundfile);
837 FileName absname(makeAbsPath(onlyfile));
840 while (contains(foundfile, ' ')) {
845 // files with spaces are often enclosed in quotation
846 // marks; those have to be removed
847 string unquoted = subst(foundfile, "\"", "");
848 absname = makeAbsPath(unquoted);
851 // strip off part after last space and try again
853 string const stripoff =
854 rsplit(foundfile, strippedfile, ' ');
855 foundfile = strippedfile;
856 onlyfile = onlyFilename(strippedfile);
857 absname = makeAbsPath(onlyfile);
861 // (2) foundfile is in the tmpdir
862 // insert it into head
863 if (exists(absname) &&
864 !fs::is_directory(absname.toFilesystemEncoding())) {
865 static regex unwanted("^.*\\.(aux|log|dvi|bbl|ind|glo)$");
866 if (regex_match(onlyfile, unwanted)) {
867 lyxerr[Debug::DEPEND]
870 << " in the dep file"
872 } else if (suffixIs(onlyfile, ".tex")) {
873 // This is a tex file generated by LyX
874 // and latex is not likely to change this
876 lyxerr[Debug::DEPEND]
877 << "Tmpdir TeX file: "
880 head.insert(absname, true);
882 lyxerr[Debug::DEPEND]
886 head.insert(absname);
890 lyxerr[Debug::DEPEND]
891 << "Not a file or we are unable to find it."
898 bool checkLineBreak(string const & ff, DepTable & head)
900 if (contains(ff, '.'))
901 // if we have a dot, we let handleFoundFile decide
902 return handleFoundFile(ff, head);
904 // else, we suspect a line break
911 void LaTeX::deplog(DepTable & head)
913 // This function reads the LaTeX log file end extracts all the
914 // external files used by the LaTeX run. The files are then
915 // entered into the dependency file.
917 string const logfile =
918 onlyFilename(changeExtension(file.absFilename(), ".log"));
920 static regex reg1("File: (.+).*");
921 static regex reg2("No file (.+)(.).*");
922 static regex reg3("\\\\openout[0-9]+.*=.*`(.+)(..).*");
923 // If an index should be created, MikTex does not write a line like
924 // \openout# = 'sample.idx'.
925 // but instead only a line like this into the log:
926 // Writing index file sample.idx
927 static regex reg4("Writing index file (.+).*");
928 // files also can be enclosed in <...>
929 static regex reg5("<([^>]+)(.).*");
930 static regex regnomencl("Writing nomenclature file (.+).*");
931 // If a toc should be created, MikTex does not write a line like
932 // \openout# = `sample.toc'.
933 // but only a line like this into the log:
935 // This line is also written by tetex.
936 // This line is not present if no toc should be created.
937 static regex miktexTocReg("\\\\tf@toc=\\\\write.*");
938 static regex reg6(".*\\([^)]+.*");
940 FileName const fn(makeAbsPath(logfile));
941 ifstream ifs(fn.toFilesystemEncoding().c_str());
944 // Ok, the scanning of files here is not sufficient.
945 // Sometimes files are named by "File: xxx" only
946 // So I think we should use some regexps to find files instead.
947 // Note: all file names and paths might contains spaces.
948 bool found_file = false;
951 // MikTeX sometimes inserts \0 in the log file. They can't be
952 // removed directly with the existing string utility
953 // functions, so convert them first to \r, and remove all
954 // \r's afterwards, since we need to remove them anyway.
955 token = subst(token, '\0', '\r');
956 token = subst(token, "\r", "");
957 if (token.empty() || token == ")") {
962 // Sometimes, filenames are broken across lines.
963 // We care for that and save suspicious lines.
964 // Here we exclude some cases where we are sure
965 // that there is no continued filename
966 if (!lastline.empty()) {
967 static regex package_info("Package \\w+ Info: .*");
968 static regex package_warning("Package \\w+ Warning: .*");
969 if (prefixIs(token, "File:") || prefixIs(token, "(Font)")
970 || prefixIs(token, "Package:")
971 || prefixIs(token, "Language:")
972 || prefixIs(token, "LaTeX Info:")
973 || prefixIs(token, "LaTeX Font Info:")
974 || prefixIs(token, "\\openout[")
975 || prefixIs(token, "))")
976 || regex_match(token, package_info)
977 || regex_match(token, package_warning))
981 if (!lastline.empty())
982 // probably a continued filename from last line
983 token = lastline + token;
984 if (token.length() > 255) {
985 // string too long. Cut off.
986 token.erase(0, token.length() - 251);
991 // FIXME UNICODE: We assume that the file names in the log
992 // file are in the file system encoding.
993 token = to_utf8(from_filesystem8bit(token));
995 // (1) "File: file.ext"
996 if (regex_match(token, sub, reg1)) {
998 found_file = checkLineBreak(sub.str(1), head);
1000 if (suffixIs(token, ")"))
1001 // no line break for sure
1002 // pretend we've been succesfully searching
1004 // (2) "No file file.ext"
1005 } else if (regex_match(token, sub, reg2)) {
1006 // file names must contains a dot, line ends with dot
1007 if (contains(sub.str(1), '.') && sub.str(2) == ".")
1008 found_file = handleFoundFile(sub.str(1), head);
1010 // we suspect a line break
1012 // (3) "\openout<nr> = `file.ext'."
1013 } else if (regex_match(token, sub, reg3)) {
1014 // search for closing '. at the end of the line
1015 if (sub.str(2) == "\'.")
1016 found_file = handleFoundFile(sub.str(1), head);
1018 // probable line break
1020 // (4) "Writing index file file.ext"
1021 } else if (regex_match(token, sub, reg4))
1023 found_file = checkLineBreak(sub.str(1), head);
1025 else if (regex_match(token, sub, reg5)) {
1026 // search for closing '>' and dot ('*.*>') at the eol
1027 if (contains(sub.str(1), '.') && sub.str(2) == ">")
1028 found_file = handleFoundFile(sub.str(1), head);
1030 // probable line break
1032 // (6) "Writing nomenclature file file.ext"
1033 } else if (regex_match(token, sub, regnomencl))
1035 found_file = checkLineBreak(sub.str(1), head);
1036 // (7) "\tf@toc=\write<nr>" (for MikTeX)
1037 else if (regex_match(token, sub, miktexTocReg))
1038 found_file = handleFoundFile(onlyFilename(changeExtension(
1039 file.absFilename(), ".toc")), head);
1041 // not found, but we won't check further
1042 // pretend we've been succesfully searching
1046 // note that we can have several of these on one line
1047 // this must be queried separated, because of
1048 // cases such as "File: file.ext (type eps)"
1049 // where "File: file.ext" would be skipped
1050 if (regex_match(token, sub, reg6)) {
1051 // search for strings in (...)
1052 static regex reg6_1("\\(([^()]+)(.).*");
1054 string::const_iterator first = token.begin();
1055 string::const_iterator end = token.end();
1057 while (regex_search(first, end, what, reg6_1)) {
1058 // if we have a dot, try to handle as file
1059 if (contains(what.str(1), '.')) {
1060 first = what[0].second;
1061 if (what.str(2) == ")") {
1062 handleFoundFile(what.str(1), head);
1063 // since we had a closing bracket,
1064 // do not investigate further
1067 // if we have no closing bracket,
1068 // try to handle as file nevertheless
1069 found_file = handleFoundFile(
1070 what.str(1) + what.str(2), head);
1072 // if we do not have a dot, check if the line has
1073 // a closing bracket (else, we suspect a line break)
1074 else if (what.str(2) != ")") {
1075 first = what[0].second;
1078 // we have a closing bracket, so the content
1079 // is not a file name.
1080 // no need to investigate further
1081 // pretend we've been succesfully searching
1082 first = what[0].second;
1089 // probable linebreak:
1093 // no linebreak: reset
1094 lastline = string();
1097 // Make sure that the main .tex file is in the dependency file.
1098 head.insert(file, true);