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https://git.lyx.org/repos/lyx.git
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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/lyx-1_1_5@1113 a592a061-630c-0410-9148-cb99ea01b6c8
721 lines
20 KiB
C
721 lines
20 KiB
C
/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2000 The LyX Team.
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*
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* This file is Copyright 1996-2000
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* Lars Gullik Bjønnes
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*
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* ======================================================
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*/
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include <fstream>
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#include "support/filetools.h"
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#include "LaTeX.h"
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#include "support/FileInfo.h"
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#include "debug.h"
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#include "support/lyxlib.h"
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#include "support/syscall.h"
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#include "support/syscontr.h"
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#include "support/path.h"
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#include "support/LRegex.h"
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#include "support/LSubstring.h"
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#include "bufferlist.h"
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#include "minibuffer.h"
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#include "gettext.h"
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using std::ifstream;
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using std::getline;
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using std::endl;
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// TODO: in no particular order
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// - get rid of the extern BufferList and 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 bibtex command options should be supported.
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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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// - we should perhaps also scan the bibtex log file
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extern BufferList bufferlist;
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struct texfile_struct {
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LaTeX::TEX_FILES file;
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char const * extension;
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};
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static
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const texfile_struct all_files[] = {
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{ LaTeX::AUX, ".aux"},
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{ LaTeX::BBL, ".bbl"},
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{ LaTeX::DVI, ".dvi"},
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{ LaTeX::GLO, ".glo"},
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{ LaTeX::IDX, ".idx"},
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{ LaTeX::IND, ".ind"},
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{ LaTeX::LOF, ".lof"},
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{ LaTeX::LOA, ".loa"},
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{ LaTeX::LOG, ".log"},
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{ LaTeX::LOT, ".lot"},
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{ LaTeX::TOC, ".toc"},
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{ LaTeX::TOC, ".cot"}, // Hebrew TOC
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{ LaTeX::LTX, ".ltx"},
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{ LaTeX::TEX, ".tex"}
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};
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/*
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* CLASS TEXERRORS
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*/
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void TeXErrors::insertError(int line, string const & error_desc,
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string 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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/*
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* CLASS LaTeX
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*/
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LaTeX::LaTeX(string const & latex, string const & f, string const & p)
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: cmd(latex), file(f), path(p)
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{
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tex_files = NO_FILES;
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file_count = sizeof(all_files) / sizeof(texfile_struct);
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num_errors = 0;
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depfile = file + ".dep";
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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.c_str());
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// but the reason for the error might be in a generated file...
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string ofname = OnlyFilename(file);
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// bibtex file
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string bbl = ChangeExtension(ofname, ".bbl");
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::unlink(bbl.c_str());
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// makeindex file
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string ind = ChangeExtension(ofname, ".ind");
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::unlink(ind.c_str());
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// Also remove the aux file
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string aux = ChangeExtension(ofname, ".aux");
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::unlink(aux.c_str());
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}
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int LaTeX::run(TeXErrors & terr, MiniBuffer * minib)
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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 each
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// time the .tex file changes.
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{
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int scanres = LaTeX::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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const unsigned int 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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bufferlist.updateIncludedTeXfiles(GetCWD());
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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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FileInfo fi(depfile);
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bool run_bibtex = false;
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if (fi.exist()) {
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// Read the dep file:
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head.read(depfile);
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// Update the checksums
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head.update();
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lyxerr[Debug::DEPEND] << "Dependency file exists" << endl;
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if (head.sumchange()) {
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++count;
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lyxerr[Debug::DEPEND]
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<< "Dependency file has changed" << endl;
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lyxerr[Debug::LATEX]
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<< "Run #" << count << endl;
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minib->Set(string(_("LaTeX run number ")) + tostr(count));
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minib->Store();
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this->operator()();
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scanres = scanLogFile(terr);
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if (scanres & LaTeX::ERRORS) {
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deleteFilesOnError();
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return scanres; // return on error
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}
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run_bibtex = scanAux(head);
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if (run_bibtex)
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lyxerr[Debug::DEPEND]
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<< "Bibtex demands rerun" << endl;
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} else {
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lyxerr[Debug::DEPEND] << "return no_change" << endl;
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return LaTeX::NO_CHANGE;
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}
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} else {
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++count;
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lyxerr[Debug::DEPEND]
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<< "Dependency file does not exist" << endl;
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lyxerr[Debug::LATEX]
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<< "Run #" << count << endl;
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head.insert(file, true);
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minib->Set(string(_("LaTeX run number ")) + tostr(count));
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minib->Store();
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this->operator()();
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scanres = scanLogFile(terr);
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if (scanres & LaTeX::ERRORS) {
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deleteFilesOnError();
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return scanres; // return on error
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}
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}
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// update the dependencies.
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deplog(head); // reads the latex log
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deptex(head); // checks for latex files
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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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// run makeindex
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if (head.haschanged(OnlyFilename(ChangeExtension(file, ".idx")))) {
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// no checks for now
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lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
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minib->Set(_("Running MakeIndex."));
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minib->Store();
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rerun = runMakeIndex(OnlyFilename(ChangeExtension(file, ".idx")));
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}
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// run bibtex
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if (scanres & LaTeX::UNDEF_CIT
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|| scanres & LaTeX::RERUN
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|| 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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minib->Set(_("Running BibTeX."));
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minib->Store();
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rerun = runBibTeX(OnlyFilename(ChangeExtension(file, ".aux")),
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head);
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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" << endl;
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lyxerr[Debug::LATEX]
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<< "Run #" << count << endl;
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minib->Set(string(_("LaTeX run number ")) + tostr(count));
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minib->Store();
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this->operator()();
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scanres = scanLogFile(terr);
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if (scanres & LaTeX::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] << "Dep. file has NOT changed" << 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 pagenumbereing,
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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(OnlyFilename(ChangeExtension(file, ".idx")))) {
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// no checks for now
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lyxerr[Debug::LATEX] << "Running MakeIndex." << endl;
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minib->Set(_("Running MakeIndex."));
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minib->Store();
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rerun = runMakeIndex(OnlyFilename(ChangeExtension(file, ".idx")));
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}
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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 & LaTeX::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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minib->Set(string(_("LaTeX run number ")) + tostr(count));
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minib->Store();
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this->operator()();
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scanres = scanLogFile(terr);
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if (scanres & LaTeX::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::operator()()
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{
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#ifndef __EMX__
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string tmp = cmd + ' ' + QuoteName(file) + " > /dev/null";
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#else // cmd.exe (OS/2) causes SYS0003 error at "/dev/null"
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string tmp = cmd + ' ' + file + " > nul";
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#endif
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Systemcalls one;
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return one.startscript(Systemcalls::System, tmp);
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}
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bool LaTeX::runMakeIndex(string const & f)
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{
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lyxerr[Debug::LATEX] << "idx file has been made,"
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" running makeindex on file "
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<< f << endl;
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// It should be possible to set the switches for makeindex
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// sorting style and such. It would also be very convenient
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// to be able to make style files from within LyX. This has
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// to come for a later time. (0.13 perhaps?)
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string tmp = "makeindex -c -q ";
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tmp += f;
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Systemcalls one;
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one.startscript(Systemcalls::System, tmp);
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return true;
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}
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bool LaTeX::scanAux(DepTable & dep)
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{
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// if any of the bib file has changed we don't have to
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// check the .aux file.
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if (dep.extchanged(".bib")
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|| dep.extchanged(".bst")) return true;
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string aux = OnlyFilename(ChangeExtension(file, ".aux"));
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ifstream ifs(aux.c_str());
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string token;
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LRegex reg1("\\\\bibdata\\{([^}]+)\\}");
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LRegex reg2("\\\\bibstyle\\{([^}]+)\\}");
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while (getline(ifs, token)) {
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if (reg1.exact_match(token)) {
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LRegex::SubMatches sub = reg1.exec(token);
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string data = LSubstring(token, sub[1].first,
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sub[1].second);
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string::size_type b;
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do {
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b = data.find_first_of(',', 0);
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string l;
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if (b == string::npos)
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l = data;
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else {
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l = data.substr( 0, b - 0);
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data.erase(0, b + 1);
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}
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string full_l =
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findtexfile(
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ChangeExtension(l, "bib"), "bib");
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if (!full_l.empty()) {
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if (!dep.exist(full_l))
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return true;
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}
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} while (b != string::npos);
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} else if (reg2.exact_match(token)) {
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LRegex::SubMatches sub = reg2.exec(token);
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string style = LSubstring(token, sub[1].first,
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sub[1].second);
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// token is now the style file
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// pass it to the helper
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string full_l =
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findtexfile(
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ChangeExtension(style, "bst"),
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"bst");
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if (!full_l.empty()) {
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if (!dep.exist(full_l))
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return true;
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}
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}
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}
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return false;
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}
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bool LaTeX::runBibTeX(string const & f, DepTable & dep)
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{
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// Since a run of Bibtex mandates more latex runs it is ok to
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// remove all ".bib" and ".bst" files, it is also required to
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// discover style and database changes.
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dep.remove_files_with_extension(".bib");
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dep.remove_files_with_extension(".bst");
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ifstream ifs(f.c_str());
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string token;
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bool using_bibtex = false;
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LRegex reg1("\\\\bibdata\\{([^}]+)\\}");
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LRegex reg2("\\\\bibstyle\\{([^}]+)\\}");
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while (getline(ifs, token)) {
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if (reg1.exact_match(token)) {
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using_bibtex = true;
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LRegex::SubMatches const & sub = reg1.exec(token);
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string data = LSubstring(token, sub[1].first,
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sub[1].second);
|
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// data is now all the bib files separated by ','
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// get them one by one and pass them to the helper
|
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string::size_type b;
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do {
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b = data.find_first_of(',', 0);
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||
string l;
|
||
if (b == string::npos)
|
||
l = data;
|
||
else {
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l = data.substr(0, b - 0);
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||
data.erase(0, b + 1);
|
||
}
|
||
string full_l =
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findtexfile(
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ChangeExtension(l, "bib"),
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"bib");
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lyxerr[Debug::LATEX] << "Bibtex database: `"
|
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<< full_l << "'" << endl;
|
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if (!full_l.empty()) {
|
||
// add full_l to the dep file.
|
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dep.insert(full_l, true);
|
||
}
|
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} while (b != string::npos);
|
||
} else if (reg2.exact_match(token)) {
|
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using_bibtex = true;
|
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LRegex::SubMatches const & sub = reg2.exec(token);
|
||
string style = LSubstring(token, sub[1].first,
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||
sub[1].second);
|
||
// token is now the style file
|
||
// pass it to the helper
|
||
string full_l =
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findtexfile(
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ChangeExtension(style, "bst"),
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"bst");
|
||
lyxerr[Debug::LATEX] << "Bibtex style: `"
|
||
<< full_l << "'" << endl;
|
||
if (!full_l.empty()) {
|
||
// add full_l to the dep file.
|
||
dep.insert(full_l, true);
|
||
}
|
||
}
|
||
}
|
||
if (using_bibtex) {
|
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// run bibtex and
|
||
string tmp = "bibtex ";
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||
tmp += OnlyFilename(ChangeExtension(file, string()));
|
||
Systemcalls one;
|
||
one.startscript(Systemcalls::System, tmp);
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return true;
|
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}
|
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// bibtex was not run.
|
||
return false;
|
||
}
|
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|
||
|
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int LaTeX::scanLogFile(TeXErrors & terr)
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||
{
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||
int last_line = -1;
|
||
int line_count = 1;
|
||
int retval = NO_ERRORS;
|
||
string tmp = OnlyFilename(ChangeExtension(file, ".log"));
|
||
lyxerr[Debug::LATEX] << "Log file: " << tmp << endl;
|
||
ifstream ifs(tmp.c_str());
|
||
|
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string token;
|
||
while (getline(ifs, token)) {
|
||
lyxerr[Debug::LATEX] << "Log line: " << token << endl;
|
||
|
||
if (token.empty())
|
||
continue;
|
||
|
||
if (prefixIs(token, "LaTeX 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, "Rerun LaTeX.")) {
|
||
// at least longtable.sty might use this.
|
||
retval |= RERUN;
|
||
}
|
||
} else if (prefixIs(token, "! ")) {
|
||
// Ok, we have something that looks like a TeX Error
|
||
// but what do we really have.
|
||
|
||
// Just get the error description:
|
||
string desc(token, 2);
|
||
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.") ||
|
||
contains(token, "File ended while")) {
|
||
// we have a latex error
|
||
retval |= TEX_ERROR;
|
||
// get the line number:
|
||
int line = 0;
|
||
if (prefixIs(tmp, "l."))
|
||
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) {
|
||
terr.insertError(line, desc, 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 |= RERUN;
|
||
} 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;
|
||
}
|
||
|
||
|
||
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 logfile = OnlyFilename(ChangeExtension(file, ".log"));
|
||
|
||
LRegex reg1(")* *\\(([^ ]+).*");
|
||
LRegex reg2("File: ([^ ]+).*");
|
||
|
||
ifstream ifs(logfile.c_str());
|
||
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.
|
||
// "(\([^ ]+\)" should match the "(file " variant
|
||
// "File: \([^ ]+\)" should match the "File: file" variant
|
||
string foundfile;
|
||
string token;
|
||
getline(ifs, token);
|
||
if (token.empty()) continue;
|
||
|
||
if (reg1.exact_match(token)) {
|
||
LRegex::SubMatches const & sub = reg1.exec(token);
|
||
foundfile = LSubstring(token, sub[1].first,
|
||
sub[1].second);
|
||
} else if (reg2.exact_match(token)) {
|
||
LRegex::SubMatches const & sub = reg2.exec(token);
|
||
foundfile = LSubstring(token, sub[1].first,
|
||
sub[1].second);
|
||
} else {
|
||
continue;
|
||
}
|
||
|
||
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 fance 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 inital insert we want to do the update at once
|
||
// since this file can not be a file generated by
|
||
// the latex run.
|
||
head.insert(foundfile, true);
|
||
continue;
|
||
}
|
||
|
||
// (2) foundfile is in the tmpdir
|
||
// insert it into head
|
||
if (FileInfo(OnlyFilename(foundfile)).exist()) {
|
||
if (suffixIs(foundfile, ".aux")) {
|
||
lyxerr[Debug::DEPEND] << "We don't want "
|
||
<< OnlyFilename(foundfile)
|
||
<< " in the dep file"
|
||
<< endl;
|
||
} else if (suffixIs(foundfile, ".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: "
|
||
<< OnlyFilename(foundfile)
|
||
<< endl;
|
||
head.insert(foundfile, true);
|
||
} else {
|
||
lyxerr[Debug::DEPEND] << "In tmpdir file:"
|
||
<< OnlyFilename(foundfile)
|
||
<< endl;
|
||
head.insert(OnlyFilename(foundfile));
|
||
}
|
||
continue;
|
||
}
|
||
lyxerr[Debug::DEPEND]
|
||
<< "Not a file or we are unable to find it."
|
||
<< endl;
|
||
}
|
||
}
|
||
|
||
|
||
void LaTeX::deptex(DepTable & head)
|
||
{
|
||
int except = AUX|LOG|DVI|BBL|IND|GLO;
|
||
string tmp;
|
||
FileInfo fi;
|
||
for (int i = 0; i < file_count; ++i) {
|
||
if (!(all_files[i].file & except)) {
|
||
tmp = OnlyFilename(ChangeExtension(file,
|
||
all_files[i].extension));
|
||
lyxerr[Debug::DEPEND] << "deptex: " << tmp << endl;
|
||
if (fi.newFile(tmp).exist())
|
||
head.insert(tmp);
|
||
}
|
||
}
|
||
}
|