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https://git.lyx.org/repos/lyx.git
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a9ff81ed29
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@20412 a592a061-630c-0410-9148-cb99ea01b6c8
1120 lines
32 KiB
C++
1120 lines
32 KiB
C++
/**
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* \file LaTeX.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Alfredo Braunstein
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* \author Lars Gullik Bjønnes
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* \author Jean-Marc Lasgouttes
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* \author Angus Leeming
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* \author Dekel Tsur
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* \author Jürgen Spitzmüller
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "BufferList.h"
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#include "LaTeX.h"
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#include "gettext.h"
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#include "LyXRC.h"
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#include "debug.h"
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#include "DepTable.h"
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#include "support/filetools.h"
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#include "support/convert.h"
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#include "support/lstrings.h"
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#include "support/lyxlib.h"
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#include "support/Systemcall.h"
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#include "support/os.h"
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#include <boost/filesystem/operations.hpp>
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#include <boost/filesystem/path.hpp>
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#include <boost/regex.hpp>
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#include <fstream>
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using boost::regex;
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using boost::smatch;
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#ifndef CXX_GLOBAL_CSTD
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using std::sscanf;
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#endif
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using std::endl;
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using std::getline;
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using std::string;
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using std::ifstream;
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using std::set;
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using std::vector;
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namespace lyx {
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using support::absolutePath;
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using support::bformat;
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using support::changeExtension;
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using support::contains;
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using support::FileName;
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using support::findtexfile;
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using support::getcwd;
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using support::makeAbsPath;
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using support::onlyFilename;
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using support::prefixIs;
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using support::quoteName;
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using support::removeExtension;
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using support::rtrim;
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using support::rsplit;
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using support::split;
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using support::subst;
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using support::suffixIs;
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using support::Systemcall;
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using support::unlink;
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using support::trim;
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namespace os = support::os;
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namespace fs = boost::filesystem;
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// TODO: in no particular order
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// - get rid of the call to
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// BufferList::updateIncludedTeXfiles, this should either
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// be done before calling LaTeX::funcs or in a completely
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// different way.
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// - the makeindex style files should be taken care of with
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// the dependency mechanism.
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// - makeindex commandline options should be supported
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// - somewhere support viewing of bibtex and makeindex log files.
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// - we should perhaps also scan the bibtex log file
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namespace {
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docstring runMessage(unsigned int count)
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{
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return bformat(_("Waiting for LaTeX run number %1$d"), count);
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}
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} // anon namespace
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/*
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* CLASS TEXERRORS
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*/
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void TeXErrors::insertError(int line, docstring const & error_desc,
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docstring const & error_text)
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{
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Error newerr(line, error_desc, error_text);
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errors.push_back(newerr);
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}
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bool operator==(Aux_Info const & a, Aux_Info const & o)
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{
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return a.aux_file == o.aux_file &&
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a.citations == o.citations &&
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a.databases == o.databases &&
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a.styles == o.styles;
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}
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bool operator!=(Aux_Info const & a, Aux_Info const & o)
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{
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return !(a == o);
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}
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/*
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* CLASS LaTeX
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*/
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LaTeX::LaTeX(string const & latex, OutputParams const & rp,
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FileName const & f)
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: cmd(latex), file(f), runparams(rp)
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{
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num_errors = 0;
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if (prefixIs(cmd, "pdf")) { // Do we use pdflatex ?
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depfile = FileName(file.absFilename() + ".dep-pdf");
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output_file =
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FileName(changeExtension(file.absFilename(), ".pdf"));
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} else {
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depfile = FileName(file.absFilename() + ".dep");
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output_file =
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FileName(changeExtension(file.absFilename(), ".dvi"));
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}
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}
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void LaTeX::deleteFilesOnError() const
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{
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// currently just a dummy function.
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// What files do we have to delete?
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// This will at least make latex do all the runs
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unlink(depfile);
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// but the reason for the error might be in a generated file...
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// bibtex file
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FileName const bbl(changeExtension(file.absFilename(), ".bbl"));
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unlink(bbl);
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// makeindex file
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FileName const ind(changeExtension(file.absFilename(), ".ind"));
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unlink(ind);
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// nomencl file
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FileName const nls(changeExtension(file.absFilename(), ".nls"));
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unlink(nls);
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// nomencl file (old version of the package)
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FileName const gls(changeExtension(file.absFilename(), ".gls"));
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unlink(gls);
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// Also remove the aux file
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FileName const aux(changeExtension(file.absFilename(), ".aux"));
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unlink(aux);
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}
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int LaTeX::run(TeXErrors & terr)
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// We know that this function will only be run if the lyx buffer
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// has been changed. We also know that a newly written .tex file
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// is always different from the previous one because of the date
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// in it. However it seems safe to run latex (at least) on time
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// each time the .tex file changes.
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{
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int scanres = NO_ERRORS;
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unsigned int count = 0; // number of times run
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num_errors = 0; // just to make sure.
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unsigned int const MAX_RUN = 6;
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DepTable head; // empty head
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bool rerun = false; // rerun requested
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// The class LaTeX does not know the temp path.
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theBufferList().updateIncludedTeXfiles(getcwd().absFilename(),
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runparams);
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// Never write the depfile if an error was encountered.
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// 0
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// first check if the file dependencies exist:
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// ->If it does exist
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// check if any of the files mentioned in it have
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// changed (done using a checksum).
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// -> if changed:
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// run latex once and
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// remake the dependency file
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// -> if not changed:
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// just return there is nothing to do for us.
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// ->if it doesn't exist
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// make it and
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// run latex once (we need to run latex once anyway) and
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// remake the dependency file.
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//
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bool had_depfile = fs::exists(depfile.toFilesystemEncoding());
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bool run_bibtex = false;
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FileName const aux_file(changeExtension(file.absFilename(), "aux"));
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if (had_depfile) {
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LYXERR(Debug::DEPEND) << "Dependency file exists" << endl;
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// Read the dep file:
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had_depfile = head.read(depfile);
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}
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if (had_depfile) {
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// Update the checksums
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head.update();
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// Can't just check if anything has changed because it might
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// have aborted on error last time... in which cas we need
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// to re-run latex and collect the error messages
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// (even if they are the same).
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if (!fs::exists(output_file.toFilesystemEncoding())) {
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LYXERR(Debug::DEPEND)
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<< "re-running LaTeX because output file doesn't exist."
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<< endl;
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} else if (!head.sumchange()) {
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LYXERR(Debug::DEPEND) << "return no_change" << endl;
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return NO_CHANGE;
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} else {
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LYXERR(Debug::DEPEND)
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<< "Dependency file has changed" << endl;
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}
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if (head.extchanged(".bib") || head.extchanged(".bst"))
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run_bibtex = true;
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} else
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LYXERR(Debug::DEPEND)
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<< "Dependency file does not exist, or has wrong format"
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<< endl;
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/// We scan the aux file even when had_depfile = false,
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/// because we can run pdflatex on the file after running latex on it,
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/// in which case we will not need to run bibtex again.
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vector<Aux_Info> bibtex_info_old;
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if (!run_bibtex)
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bibtex_info_old = scanAuxFiles(aux_file);
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++count;
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LYXERR(Debug::LATEX) << "Run #" << count << endl;
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message(runMessage(count));
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startscript();
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scanres = scanLogFile(terr);
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if (scanres & ERROR_RERUN) {
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LYXERR(Debug::LATEX) << "Rerunning LaTeX" << endl;
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startscript();
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scanres = scanLogFile(terr);
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}
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if (scanres & ERRORS) {
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deleteFilesOnError();
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return scanres; // return on error
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}
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vector<Aux_Info> const bibtex_info = scanAuxFiles(aux_file);
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if (!run_bibtex && bibtex_info_old != bibtex_info)
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run_bibtex = true;
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// update the dependencies.
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deplog(head); // reads the latex log
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head.update();
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// 0.5
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// At this point we must run external programs if needed.
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// makeindex will be run if a .idx file changed or was generated.
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// And if there were undefined citations or changes in references
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// the .aux file is checked for signs of bibtex. Bibtex is then run
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// if needed.
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// memoir (at least) writes an empty *idx file in the first place.
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// A second latex run is needed.
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FileName const idxfile(changeExtension(file.absFilename(), ".idx"));
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rerun = fs::exists(idxfile.toFilesystemEncoding()) &&
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fs::is_empty(idxfile.toFilesystemEncoding());
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// run makeindex
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if (head.haschanged(idxfile)) {
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// no checks for now
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LYXERR(Debug::LATEX) << "Running MakeIndex." << endl;
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message(_("Running MakeIndex."));
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// onlyFilename() is needed for cygwin
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rerun |= runMakeIndex(onlyFilename(idxfile.absFilename()),
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runparams);
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}
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FileName const nlofile(changeExtension(file.absFilename(), ".nlo"));
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if (head.haschanged(nlofile))
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rerun |= runMakeIndexNomencl(file, runparams, ".nlo", ".nls");
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FileName const glofile(changeExtension(file.absFilename(), ".glo"));
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if (head.haschanged(glofile))
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rerun |= runMakeIndexNomencl(file, runparams, ".glo", ".gls");
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// run bibtex
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// if (scanres & UNDEF_CIT || scanres & RERUN || run_bibtex)
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if (scanres & UNDEF_CIT || run_bibtex) {
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// Here we must scan the .aux file and look for
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// "\bibdata" and/or "\bibstyle". If one of those
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// tags is found -> run bibtex and set rerun = true;
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// no checks for now
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LYXERR(Debug::LATEX) << "Running BibTeX." << endl;
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message(_("Running BibTeX."));
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updateBibtexDependencies(head, bibtex_info);
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rerun |= runBibTeX(bibtex_info);
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} else if (!had_depfile) {
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/// If we run pdflatex on the file after running latex on it,
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/// then we do not need to run bibtex, but we do need to
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/// insert the .bib and .bst files into the .dep-pdf file.
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updateBibtexDependencies(head, bibtex_info);
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}
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// 1
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// we know on this point that latex has been run once (or we just
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// returned) and the question now is to decide if we need to run
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// it any more. This is done by asking if any of the files in the
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// dependency file has changed. (remember that the checksum for
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// a given file is reported to have changed if it just was created)
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// -> if changed or rerun == true:
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// run latex once more and
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// update the dependency structure
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// -> if not changed:
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// we does nothing at this point
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//
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if (rerun || head.sumchange()) {
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rerun = false;
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++count;
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LYXERR(Debug::DEPEND)
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<< "Dep. file has changed or rerun requested"
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<< endl;
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LYXERR(Debug::LATEX)
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<< "Run #" << count << endl;
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message(runMessage(count));
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startscript();
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scanres = scanLogFile(terr);
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if (scanres & ERRORS) {
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deleteFilesOnError();
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return scanres; // return on error
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}
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// update the depedencies
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deplog(head); // reads the latex log
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head.update();
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} else {
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LYXERR(Debug::DEPEND)
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<< "Dep. file has NOT changed"
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<< endl;
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}
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// 1.5
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// The inclusion of files generated by external programs like
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// makeindex or bibtex might have done changes to pagenumbering,
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// etc. And because of this we must run the external programs
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// again to make sure everything is redone correctly.
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// Also there should be no need to run the external programs any
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// more after this.
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// run makeindex if the <file>.idx has changed or was generated.
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if (head.haschanged(idxfile)) {
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// no checks for now
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LYXERR(Debug::LATEX) << "Running MakeIndex." << endl;
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message(_("Running MakeIndex."));
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// onlyFilename() is needed for cygwin
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rerun = runMakeIndex(onlyFilename(changeExtension(
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file.absFilename(), ".idx")), runparams);
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}
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// I am not pretty sure if need this twice.
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if (head.haschanged(nlofile))
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rerun |= runMakeIndexNomencl(file, runparams, ".nlo", ".nls");
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if (head.haschanged(glofile))
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rerun |= runMakeIndexNomencl(file, runparams, ".glo", ".gls");
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// 2
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// we will only run latex more if the log file asks for it.
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// or if the sumchange() is true.
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// -> rerun asked for:
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// run latex and
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// remake the dependency file
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// goto 2 or return if max runs are reached.
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// -> rerun not asked for:
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// just return (fall out of bottom of func)
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//
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while ((head.sumchange() || rerun || (scanres & RERUN))
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&& count < MAX_RUN) {
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// Yes rerun until message goes away, or until
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// MAX_RUNS are reached.
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rerun = false;
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++count;
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LYXERR(Debug::LATEX) << "Run #" << count << endl;
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message(runMessage(count));
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startscript();
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scanres = scanLogFile(terr);
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if (scanres & ERRORS) {
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deleteFilesOnError();
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return scanres; // return on error
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}
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// keep this updated
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head.update();
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}
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// Write the dependencies to file.
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head.write(depfile);
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LYXERR(Debug::LATEX) << "Done." << endl;
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return scanres;
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}
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int LaTeX::startscript()
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{
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// onlyFilename() is needed for cygwin
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string tmp = cmd + ' '
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+ quoteName(onlyFilename(file.toFilesystemEncoding()))
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+ " > " + os::nulldev();
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Systemcall one;
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return one.startscript(Systemcall::Wait, tmp);
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}
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bool LaTeX::runMakeIndex(string const & f, OutputParams const & runparams,
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string const & params)
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{
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LYXERR(Debug::LATEX)
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<< "idx file has been made, running makeindex on file "
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<< f << endl;
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string tmp = lyxrc.index_command + ' ';
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tmp = subst(tmp, "$$lang", runparams.document_language);
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tmp += quoteName(f);
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tmp += params;
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Systemcall one;
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one.startscript(Systemcall::Wait, tmp);
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return true;
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}
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bool LaTeX::runMakeIndexNomencl(FileName const & file,
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OutputParams const & runparams,
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string const & nlo, string const & nls)
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{
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LYXERR(Debug::LATEX) << "Running MakeIndex for nomencl." << endl;
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message(_("Running MakeIndex for nomencl."));
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// onlyFilename() is needed for cygwin
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string const nomenclstr = " -s nomencl.ist -o "
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+ onlyFilename(changeExtension(file.toFilesystemEncoding(), nls));
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return runMakeIndex(
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onlyFilename(changeExtension(file.absFilename(), nlo)),
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runparams, nomenclstr);
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}
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vector<Aux_Info> const
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LaTeX::scanAuxFiles(FileName const & file)
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{
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vector<Aux_Info> result;
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result.push_back(scanAuxFile(file));
|
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string const basename = removeExtension(file.absFilename());
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for (int i = 1; i < 1000; ++i) {
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FileName const file2(basename
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+ '.' + convert<string>(i)
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+ ".aux");
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if (!fs::exists(file2.toFilesystemEncoding()))
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break;
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result.push_back(scanAuxFile(file2));
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}
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return result;
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}
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Aux_Info const LaTeX::scanAuxFile(FileName const & file)
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{
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Aux_Info result;
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result.aux_file = file;
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scanAuxFile(file, result);
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return result;
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}
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void LaTeX::scanAuxFile(FileName const & file, Aux_Info & aux_info)
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{
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LYXERR(Debug::LATEX) << "Scanning aux file: " << file << endl;
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ifstream ifs(file.toFilesystemEncoding().c_str());
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string token;
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static regex const reg1("\\\\citation\\{([^}]+)\\}");
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static regex const reg2("\\\\bibdata\\{([^}]+)\\}");
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static regex const reg3("\\\\bibstyle\\{([^}]+)\\}");
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static regex const reg4("\\\\@input\\{([^}]+)\\}");
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|
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while (getline(ifs, token)) {
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token = rtrim(token, "\r");
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smatch sub;
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// FIXME UNICODE: We assume that citation keys and filenames
|
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// in the aux file are in the file system encoding.
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token = to_utf8(from_filesystem8bit(token));
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if (regex_match(token, sub, reg1)) {
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string data = sub.str(1);
|
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while (!data.empty()) {
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string citation;
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data = split(data, citation, ',');
|
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LYXERR(Debug::LATEX) << "Citation: "
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<< citation << endl;
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aux_info.citations.insert(citation);
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}
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} else if (regex_match(token, sub, reg2)) {
|
||
string data = sub.str(1);
|
||
// data is now all the bib files separated by ','
|
||
// get them one by one and pass them to the helper
|
||
while (!data.empty()) {
|
||
string database;
|
||
data = split(data, database, ',');
|
||
database = changeExtension(database, "bib");
|
||
LYXERR(Debug::LATEX) << "BibTeX database: `"
|
||
<< database << '\'' << endl;
|
||
aux_info.databases.insert(database);
|
||
}
|
||
} else if (regex_match(token, sub, reg3)) {
|
||
string style = sub.str(1);
|
||
// token is now the style file
|
||
// pass it to the helper
|
||
style = changeExtension(style, "bst");
|
||
LYXERR(Debug::LATEX) << "BibTeX style: `"
|
||
<< style << '\'' << endl;
|
||
aux_info.styles.insert(style);
|
||
} else if (regex_match(token, sub, reg4)) {
|
||
string const file2 = sub.str(1);
|
||
scanAuxFile(makeAbsPath(file2), aux_info);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
void LaTeX::updateBibtexDependencies(DepTable & dep,
|
||
vector<Aux_Info> const & bibtex_info)
|
||
{
|
||
// Since a run of Bibtex mandates more latex runs it is ok to
|
||
// remove all ".bib" and ".bst" files.
|
||
dep.remove_files_with_extension(".bib");
|
||
dep.remove_files_with_extension(".bst");
|
||
//string aux = OnlyFilename(ChangeExtension(file, ".aux"));
|
||
|
||
for (vector<Aux_Info>::const_iterator it = bibtex_info.begin();
|
||
it != bibtex_info.end(); ++it) {
|
||
for (set<string>::const_iterator it2 = it->databases.begin();
|
||
it2 != it->databases.end(); ++it2) {
|
||
FileName const file = findtexfile(*it2, "bib");
|
||
if (!file.empty())
|
||
dep.insert(file, true);
|
||
}
|
||
|
||
for (set<string>::const_iterator it2 = it->styles.begin();
|
||
it2 != it->styles.end(); ++it2) {
|
||
FileName const file = findtexfile(*it2, "bst");
|
||
if (!file.empty())
|
||
dep.insert(file, true);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
bool LaTeX::runBibTeX(vector<Aux_Info> const & bibtex_info)
|
||
{
|
||
bool result = false;
|
||
for (vector<Aux_Info>::const_iterator it = bibtex_info.begin();
|
||
it != bibtex_info.end(); ++it) {
|
||
if (it->databases.empty())
|
||
continue;
|
||
result = true;
|
||
|
||
string tmp = lyxrc.bibtex_command + " ";
|
||
// onlyFilename() is needed for cygwin
|
||
tmp += quoteName(onlyFilename(removeExtension(
|
||
it->aux_file.absFilename())));
|
||
Systemcall one;
|
||
one.startscript(Systemcall::Wait, tmp);
|
||
}
|
||
// Return whether bibtex was run
|
||
return result;
|
||
}
|
||
|
||
|
||
int LaTeX::scanLogFile(TeXErrors & terr)
|
||
{
|
||
int last_line = -1;
|
||
int line_count = 1;
|
||
int retval = NO_ERRORS;
|
||
string tmp =
|
||
onlyFilename(changeExtension(file.absFilename(), ".log"));
|
||
LYXERR(Debug::LATEX) << "Log file: " << tmp << endl;
|
||
FileName const fn = FileName(makeAbsPath(tmp));
|
||
ifstream ifs(fn.toFilesystemEncoding().c_str());
|
||
bool fle_style = false;
|
||
static regex file_line_error(".+\\.\\D+:[0-9]+: (.+)");
|
||
|
||
string token;
|
||
while (getline(ifs, token)) {
|
||
// MikTeX sometimes inserts \0 in the log file. They can't be
|
||
// removed directly with the existing string utility
|
||
// functions, so convert them first to \r, and remove all
|
||
// \r's afterwards, since we need to remove them anyway.
|
||
token = subst(token, '\0', '\r');
|
||
token = subst(token, "\r", "");
|
||
smatch sub;
|
||
|
||
LYXERR(Debug::LATEX) << "Log line: " << token << endl;
|
||
|
||
if (token.empty())
|
||
continue;
|
||
|
||
if (contains(token, "file:line:error style messages enabled"))
|
||
fle_style = true;
|
||
|
||
if (prefixIs(token, "LaTeX Warning:") ||
|
||
prefixIs(token, "! pdfTeX warning")) {
|
||
// Here shall we handle different
|
||
// types of warnings
|
||
retval |= LATEX_WARNING;
|
||
LYXERR(Debug::LATEX) << "LaTeX Warning." << endl;
|
||
if (contains(token, "Rerun to get cross-references")) {
|
||
retval |= RERUN;
|
||
LYXERR(Debug::LATEX)
|
||
<< "We should rerun." << endl;
|
||
} else if (contains(token, "Citation")
|
||
&& contains(token, "on page")
|
||
&& contains(token, "undefined")) {
|
||
retval |= UNDEF_CIT;
|
||
}
|
||
} else if (prefixIs(token, "Package")) {
|
||
// Package warnings
|
||
retval |= PACKAGE_WARNING;
|
||
if (contains(token, "natbib Warning:")) {
|
||
// Natbib warnings
|
||
if (contains(token, "Citation")
|
||
&& contains(token, "on page")
|
||
&& contains(token, "undefined")) {
|
||
retval |= UNDEF_CIT;
|
||
}
|
||
} else if (contains(token, "run BibTeX")) {
|
||
retval |= UNDEF_CIT;
|
||
} else if (contains(token, "Rerun LaTeX") ||
|
||
contains(token, "Rerun to get")) {
|
||
// at least longtable.sty and bibtopic.sty
|
||
// might use this.
|
||
LYXERR(Debug::LATEX)
|
||
<< "We should rerun." << endl;
|
||
retval |= RERUN;
|
||
}
|
||
} else if (token[0] == '(') {
|
||
if (contains(token, "Rerun LaTeX") ||
|
||
contains(token, "Rerun to get")) {
|
||
// Used by natbib
|
||
LYXERR(Debug::LATEX)
|
||
<< "We should rerun." << endl;
|
||
retval |= RERUN;
|
||
}
|
||
} else if (prefixIs(token, "! ") ||
|
||
fle_style && regex_match(token, sub, file_line_error)) {
|
||
// Ok, we have something that looks like a TeX Error
|
||
// but what do we really have.
|
||
|
||
// Just get the error description:
|
||
string desc;
|
||
if (prefixIs(token, "! "))
|
||
desc = string(token, 2);
|
||
else if (fle_style)
|
||
desc = sub.str();
|
||
if (contains(token, "LaTeX Error:"))
|
||
retval |= LATEX_ERROR;
|
||
// get the next line
|
||
string tmp;
|
||
int count = 0;
|
||
do {
|
||
if (!getline(ifs, tmp))
|
||
break;
|
||
if (++count > 10)
|
||
break;
|
||
} while (!prefixIs(tmp, "l."));
|
||
if (prefixIs(tmp, "l.")) {
|
||
// we have a latex error
|
||
retval |= TEX_ERROR;
|
||
if (contains(desc,
|
||
"Package babel Error: You haven't defined the language") ||
|
||
contains(desc,
|
||
"Package babel Error: You haven't loaded the option"))
|
||
retval |= ERROR_RERUN;
|
||
// get the line number:
|
||
int line = 0;
|
||
sscanf(tmp.c_str(), "l.%d", &line);
|
||
// get the rest of the message:
|
||
string errstr(tmp, tmp.find(' '));
|
||
errstr += '\n';
|
||
getline(ifs, tmp);
|
||
while (!contains(errstr, "l.")
|
||
&& !tmp.empty()
|
||
&& !prefixIs(tmp, "! ")
|
||
&& !contains(tmp, "(job aborted")) {
|
||
errstr += tmp;
|
||
errstr += "\n";
|
||
getline(ifs, tmp);
|
||
}
|
||
LYXERR(Debug::LATEX)
|
||
<< "line: " << line << '\n'
|
||
<< "Desc: " << desc << '\n'
|
||
<< "Text: " << errstr << endl;
|
||
if (line == last_line)
|
||
++line_count;
|
||
else {
|
||
line_count = 1;
|
||
last_line = line;
|
||
}
|
||
if (line_count <= 5) {
|
||
// FIXME UNICODE
|
||
// We have no idea what the encoding of
|
||
// the log file is.
|
||
// It seems that the output from the
|
||
// latex compiler itself is pure ASCII,
|
||
// but it can include bits from the
|
||
// document, so whatever encoding we
|
||
// assume here it can be wrong.
|
||
terr.insertError(line,
|
||
from_local8bit(desc),
|
||
from_local8bit(errstr));
|
||
++num_errors;
|
||
}
|
||
}
|
||
} else {
|
||
// information messages, TeX warnings and other
|
||
// warnings we have not caught earlier.
|
||
if (prefixIs(token, "Overfull ")) {
|
||
retval |= TEX_WARNING;
|
||
} else if (prefixIs(token, "Underfull ")) {
|
||
retval |= TEX_WARNING;
|
||
} else if (contains(token, "Rerun to get citations")) {
|
||
// Natbib seems to use this.
|
||
retval |= UNDEF_CIT;
|
||
} else if (contains(token, "No pages of output")) {
|
||
// A dvi file was not created
|
||
retval |= NO_OUTPUT;
|
||
} else if (contains(token, "That makes 100 errors")) {
|
||
// More than 100 errors were reprted
|
||
retval |= TOO_MANY_ERRORS;
|
||
}
|
||
}
|
||
}
|
||
LYXERR(Debug::LATEX) << "Log line: " << token << endl;
|
||
return retval;
|
||
}
|
||
|
||
|
||
namespace {
|
||
|
||
/**
|
||
* Wrapper around fs::exists that can handle invalid file names.
|
||
* In theory we could test with fs::native whether a filename is valid
|
||
* before calling fs::exists, but in practice it is unusable: On windows it
|
||
* does not allow spaces, and on unix it does not allow absolute file names.
|
||
* This function has the disadvantage that it catches also other errors than
|
||
* invalid names, but for dependency checking we can live with that.
|
||
*/
|
||
bool exists(FileName const & possible_name) {
|
||
try {
|
||
return fs::exists(possible_name.toFilesystemEncoding());
|
||
}
|
||
catch (fs::filesystem_error const & fe) {
|
||
LYXERR(Debug::DEPEND) << "Got error `" << fe.what()
|
||
<< "' while checking whether file `" << possible_name
|
||
<< "' exists." << endl;
|
||
return false;
|
||
}
|
||
}
|
||
|
||
|
||
bool insertIfExists(FileName const & absname, DepTable & head)
|
||
{
|
||
if (exists(absname) &&
|
||
!fs::is_directory(absname.toFilesystemEncoding())) {
|
||
head.insert(absname, true);
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
|
||
bool handleFoundFile(string const & ff, DepTable & head)
|
||
{
|
||
// convert from native os path to unix path
|
||
string foundfile = os::internal_path(trim(ff));
|
||
|
||
LYXERR(Debug::DEPEND) << "Found file: " << foundfile << endl;
|
||
|
||
// Ok now we found a file.
|
||
// Now we should make sure that this is a file that we can
|
||
// access through the normal paths.
|
||
// We will not try any fancy search methods to
|
||
// find the file.
|
||
|
||
// (1) foundfile is an
|
||
// absolute path and should
|
||
// be inserted.
|
||
if (absolutePath(foundfile)) {
|
||
LYXERR(Debug::DEPEND) << "AbsolutePath file: "
|
||
<< foundfile << endl;
|
||
// On initial insert we want to do the update at once
|
||
// since this file cannot be a file generated by
|
||
// the latex run.
|
||
FileName absname(foundfile);
|
||
if (!insertIfExists(absname, head)) {
|
||
// check for spaces
|
||
string strippedfile = foundfile;
|
||
while (contains(strippedfile, " ")) {
|
||
// files with spaces are often enclosed in quotation
|
||
// marks; those have to be removed
|
||
string unquoted = subst(strippedfile, "\"", "");
|
||
absname.set(unquoted);
|
||
if (insertIfExists(absname, head))
|
||
return true;
|
||
// strip off part after last space and try again
|
||
string tmp = strippedfile;
|
||
string const stripoff =
|
||
rsplit(tmp, strippedfile, ' ');
|
||
absname.set(strippedfile);
|
||
if (insertIfExists(absname, head))
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
|
||
string onlyfile = onlyFilename(foundfile);
|
||
FileName absname(makeAbsPath(onlyfile));
|
||
|
||
// check for spaces
|
||
while (contains(foundfile, ' ')) {
|
||
if (exists(absname))
|
||
// everything o.k.
|
||
break;
|
||
else {
|
||
// files with spaces are often enclosed in quotation
|
||
// marks; those have to be removed
|
||
string unquoted = subst(foundfile, "\"", "");
|
||
absname = makeAbsPath(unquoted);
|
||
if (exists(absname))
|
||
break;
|
||
// strip off part after last space and try again
|
||
string strippedfile;
|
||
string const stripoff =
|
||
rsplit(foundfile, strippedfile, ' ');
|
||
foundfile = strippedfile;
|
||
onlyfile = onlyFilename(strippedfile);
|
||
absname = makeAbsPath(onlyfile);
|
||
}
|
||
}
|
||
|
||
// (2) foundfile is in the tmpdir
|
||
// insert it into head
|
||
if (exists(absname) &&
|
||
!fs::is_directory(absname.toFilesystemEncoding())) {
|
||
// FIXME: This regex contained glo, but glo is used by the old
|
||
// version of nomencl.sty. Do we need to put it back?
|
||
static regex unwanted("^.*\\.(aux|log|dvi|bbl|ind)$");
|
||
if (regex_match(onlyfile, unwanted)) {
|
||
LYXERR(Debug::DEPEND)
|
||
<< "We don't want "
|
||
<< onlyfile
|
||
<< " in the dep file"
|
||
<< endl;
|
||
} else if (suffixIs(onlyfile, ".tex")) {
|
||
// This is a tex file generated by LyX
|
||
// and latex is not likely to change this
|
||
// during its runs.
|
||
LYXERR(Debug::DEPEND)
|
||
<< "Tmpdir TeX file: "
|
||
<< onlyfile
|
||
<< endl;
|
||
head.insert(absname, true);
|
||
} else {
|
||
LYXERR(Debug::DEPEND)
|
||
<< "In tmpdir file:"
|
||
<< onlyfile
|
||
<< endl;
|
||
head.insert(absname);
|
||
}
|
||
return true;
|
||
} else {
|
||
LYXERR(Debug::DEPEND)
|
||
<< "Not a file or we are unable to find it."
|
||
<< endl;
|
||
return false;
|
||
}
|
||
}
|
||
|
||
|
||
bool checkLineBreak(string const & ff, DepTable & head)
|
||
{
|
||
if (contains(ff, '.'))
|
||
// if we have a dot, we let handleFoundFile decide
|
||
return handleFoundFile(ff, head);
|
||
else
|
||
// else, we suspect a line break
|
||
return false;
|
||
}
|
||
|
||
} // anon namespace
|
||
|
||
|
||
void LaTeX::deplog(DepTable & head)
|
||
{
|
||
// This function reads the LaTeX log file end extracts all the
|
||
// external files used by the LaTeX run. The files are then
|
||
// entered into the dependency file.
|
||
|
||
string const logfile =
|
||
onlyFilename(changeExtension(file.absFilename(), ".log"));
|
||
|
||
static regex reg1("File: (.+).*");
|
||
static regex reg2("No file (.+)(.).*");
|
||
static regex reg3("\\\\openout[0-9]+.*=.*`(.+)(..).*");
|
||
// If an index should be created, MikTex does not write a line like
|
||
// \openout# = 'sample.idx'.
|
||
// but instead only a line like this into the log:
|
||
// Writing index file sample.idx
|
||
static regex reg4("Writing index file (.+).*");
|
||
// files also can be enclosed in <...>
|
||
static regex reg5("<([^>]+)(.).*");
|
||
static regex regoldnomencl("Writing glossary file (.+).*");
|
||
static regex regnomencl("Writing nomenclature file (.+).*");
|
||
// If a toc should be created, MikTex does not write a line like
|
||
// \openout# = `sample.toc'.
|
||
// but only a line like this into the log:
|
||
// \tf@toc=\write#
|
||
// This line is also written by tetex.
|
||
// This line is not present if no toc should be created.
|
||
static regex miktexTocReg("\\\\tf@toc=\\\\write.*");
|
||
static regex reg6(".*\\([^)]+.*");
|
||
|
||
FileName const fn(makeAbsPath(logfile));
|
||
ifstream ifs(fn.toFilesystemEncoding().c_str());
|
||
string lastline;
|
||
while (ifs) {
|
||
// Ok, the scanning of files here is not sufficient.
|
||
// Sometimes files are named by "File: xxx" only
|
||
// So I think we should use some regexps to find files instead.
|
||
// Note: all file names and paths might contains spaces.
|
||
bool found_file = false;
|
||
string token;
|
||
getline(ifs, token);
|
||
// MikTeX sometimes inserts \0 in the log file. They can't be
|
||
// removed directly with the existing string utility
|
||
// functions, so convert them first to \r, and remove all
|
||
// \r's afterwards, since we need to remove them anyway.
|
||
token = subst(token, '\0', '\r');
|
||
token = subst(token, "\r", "");
|
||
if (token.empty() || token == ")") {
|
||
lastline = string();
|
||
continue;
|
||
}
|
||
|
||
// Sometimes, filenames are broken across lines.
|
||
// We care for that and save suspicious lines.
|
||
// Here we exclude some cases where we are sure
|
||
// that there is no continued filename
|
||
if (!lastline.empty()) {
|
||
static regex package_info("Package \\w+ Info: .*");
|
||
static regex package_warning("Package \\w+ Warning: .*");
|
||
if (prefixIs(token, "File:") || prefixIs(token, "(Font)")
|
||
|| prefixIs(token, "Package:")
|
||
|| prefixIs(token, "Language:")
|
||
|| prefixIs(token, "LaTeX Info:")
|
||
|| prefixIs(token, "LaTeX Font Info:")
|
||
|| prefixIs(token, "\\openout[")
|
||
|| prefixIs(token, "))")
|
||
|| regex_match(token, package_info)
|
||
|| regex_match(token, package_warning))
|
||
lastline = string();
|
||
}
|
||
|
||
if (!lastline.empty())
|
||
// probably a continued filename from last line
|
||
token = lastline + token;
|
||
if (token.length() > 255) {
|
||
// string too long. Cut off.
|
||
token.erase(0, token.length() - 251);
|
||
}
|
||
|
||
smatch sub;
|
||
|
||
// FIXME UNICODE: We assume that the file names in the log
|
||
// file are in the file system encoding.
|
||
token = to_utf8(from_filesystem8bit(token));
|
||
|
||
// (1) "File: file.ext"
|
||
if (regex_match(token, sub, reg1)) {
|
||
// check for dot
|
||
found_file = checkLineBreak(sub.str(1), head);
|
||
// However, ...
|
||
if (suffixIs(token, ")"))
|
||
// no line break for sure
|
||
// pretend we've been succesfully searching
|
||
found_file = true;
|
||
// (2) "No file file.ext"
|
||
} else if (regex_match(token, sub, reg2)) {
|
||
// file names must contains a dot, line ends with dot
|
||
if (contains(sub.str(1), '.') && sub.str(2) == ".")
|
||
found_file = handleFoundFile(sub.str(1), head);
|
||
else
|
||
// we suspect a line break
|
||
found_file = false;
|
||
// (3) "\openout<nr> = `file.ext'."
|
||
} else if (regex_match(token, sub, reg3)) {
|
||
// search for closing '. at the end of the line
|
||
if (sub.str(2) == "\'.")
|
||
found_file = handleFoundFile(sub.str(1), head);
|
||
else
|
||
// probable line break
|
||
found_file = false;
|
||
// (4) "Writing index file file.ext"
|
||
} else if (regex_match(token, sub, reg4))
|
||
// check for dot
|
||
found_file = checkLineBreak(sub.str(1), head);
|
||
// (5) "<file.ext>"
|
||
else if (regex_match(token, sub, reg5)) {
|
||
// search for closing '>' and dot ('*.*>') at the eol
|
||
if (contains(sub.str(1), '.') && sub.str(2) == ">")
|
||
found_file = handleFoundFile(sub.str(1), head);
|
||
else
|
||
// probable line break
|
||
found_file = false;
|
||
// (6) "Writing nomenclature file file.ext"
|
||
} else if (regex_match(token, sub, regnomencl) ||
|
||
regex_match(token, sub, regoldnomencl))
|
||
// check for dot
|
||
found_file = checkLineBreak(sub.str(1), head);
|
||
// (7) "\tf@toc=\write<nr>" (for MikTeX)
|
||
else if (regex_match(token, sub, miktexTocReg))
|
||
found_file = handleFoundFile(onlyFilename(changeExtension(
|
||
file.absFilename(), ".toc")), head);
|
||
else
|
||
// not found, but we won't check further
|
||
// pretend we've been succesfully searching
|
||
found_file = true;
|
||
|
||
// (8) "(file.ext"
|
||
// note that we can have several of these on one line
|
||
// this must be queried separated, because of
|
||
// cases such as "File: file.ext (type eps)"
|
||
// where "File: file.ext" would be skipped
|
||
if (regex_match(token, sub, reg6)) {
|
||
// search for strings in (...)
|
||
static regex reg6_1("\\(([^()]+)(.).*");
|
||
smatch what;
|
||
string::const_iterator first = token.begin();
|
||
string::const_iterator end = token.end();
|
||
|
||
while (regex_search(first, end, what, reg6_1)) {
|
||
// if we have a dot, try to handle as file
|
||
if (contains(what.str(1), '.')) {
|
||
first = what[0].second;
|
||
if (what.str(2) == ")") {
|
||
handleFoundFile(what.str(1), head);
|
||
// since we had a closing bracket,
|
||
// do not investigate further
|
||
found_file = true;
|
||
} else
|
||
// if we have no closing bracket,
|
||
// try to handle as file nevertheless
|
||
found_file = handleFoundFile(
|
||
what.str(1) + what.str(2), head);
|
||
}
|
||
// if we do not have a dot, check if the line has
|
||
// a closing bracket (else, we suspect a line break)
|
||
else if (what.str(2) != ")") {
|
||
first = what[0].second;
|
||
found_file = false;
|
||
} else {
|
||
// we have a closing bracket, so the content
|
||
// is not a file name.
|
||
// no need to investigate further
|
||
// pretend we've been succesfully searching
|
||
first = what[0].second;
|
||
found_file = true;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!found_file)
|
||
// probable linebreak:
|
||
// save this line
|
||
lastline = token;
|
||
else
|
||
// no linebreak: reset
|
||
lastline = string();
|
||
}
|
||
|
||
// Make sure that the main .tex file is in the dependency file.
|
||
head.insert(file, true);
|
||
}
|
||
|
||
|
||
} // namespace lyx
|