3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
21 #include "LayoutFile.h"
22 #include "LayoutModuleList.h"
23 #include "ModuleList.h"
25 #include "TextClass.h"
27 #include "support/ConsoleApplication.h"
28 #include "support/convert.h"
29 #include "support/debug.h"
30 #include "support/ExceptionMessage.h"
31 #include "support/filetools.h"
32 #include "support/lassert.h"
33 #include "support/lstrings.h"
34 #include "support/os.h"
35 #include "support/Package.h"
36 #include "support/Systemcall.h"
48 using namespace lyx::support;
49 using namespace lyx::support::os;
53 string const trimSpaceAndEol(string const & a)
55 return trim(a, " \t\n\r");
59 void split(string const & s, vector<string> & result, char delim)
61 //cerr << "split 1: '" << s << "'\n";
64 while (getline(is, t, delim))
66 //cerr << "split 2\n";
70 string join(vector<string> const & input, char const * delim)
73 for (size_t i = 0; i != input.size(); ++i) {
82 char const * const * is_known(string const & str, char const * const * what)
84 for ( ; *what; ++what)
92 // current stack of nested environments
93 vector<string> active_environments;
96 string active_environment()
98 return active_environments.empty() ? string() : active_environments.back();
102 TeX2LyXDocClass textclass;
103 CommandMap known_commands;
104 CommandMap known_environments;
105 CommandMap known_math_environments;
106 FullCommandMap possible_textclass_commands;
107 FullEnvironmentMap possible_textclass_environments;
108 FullCommandMap possible_textclass_theorems;
109 int const LYX_FORMAT = LYX_FORMAT_TEX2LYX;
112 LayoutModuleList used_modules;
113 vector<string> preloaded_modules;
116 void convertArgs(string const & o1, bool o2, vector<ArgumentType> & arguments)
118 // We have to handle the following cases:
119 // definition o1 o2 invocation result
120 // \newcommand{\foo}{bar} "" false \foo bar
121 // \newcommand{\foo}[1]{bar #1} "[1]" false \foo{x} bar x
122 // \newcommand{\foo}[1][]{bar #1} "[1]" true \foo bar
123 // \newcommand{\foo}[1][]{bar #1} "[1]" true \foo[x] bar x
124 // \newcommand{\foo}[1][x]{bar #1} "[1]" true \foo[x] bar x
125 unsigned int nargs = 0;
126 string const opt1 = rtrim(ltrim(o1, "["), "]");
127 if (isStrUnsignedInt(opt1)) {
128 // The command has arguments
129 nargs = convert<unsigned int>(opt1);
130 if (nargs > 0 && o2) {
131 // The first argument is optional
132 arguments.push_back(optional);
136 for (unsigned int i = 0; i < nargs; ++i)
137 arguments.push_back(required);
141 void add_known_command(string const & command, string const & o1,
142 bool o2, docstring const & definition)
144 vector<ArgumentType> arguments;
145 convertArgs(o1, o2, arguments);
146 known_commands[command] = arguments;
147 if (!definition.empty())
148 possible_textclass_commands[command] =
149 FullCommand(arguments, definition);
153 void add_known_environment(string const & environment, string const & o1,
154 bool o2, docstring const & beg, docstring const &end)
156 vector<ArgumentType> arguments;
157 convertArgs(o1, o2, arguments);
158 known_environments[environment] = arguments;
159 if (!beg.empty() || ! end.empty())
160 possible_textclass_environments[environment] =
161 FullEnvironment(arguments, beg, end);
165 void add_known_theorem(string const & theorem, string const & o1,
166 bool o2, docstring const & definition)
168 vector<ArgumentType> arguments;
169 convertArgs(o1, o2, arguments);
170 if (!definition.empty())
171 possible_textclass_theorems[theorem] =
172 FullCommand(arguments, definition);
176 Layout const * findLayoutWithoutModule(TextClass const & tc,
177 string const & name, bool command,
178 string const & latexparam)
180 for (auto const & lay : tc) {
181 if (lay.latexname() == name &&
182 (latexparam.empty() ||
183 (!lay.latexparam().empty() && suffixIs(latexparam, lay.latexparam()))) &&
184 ((command && lay.isCommand()) || (!command && lay.isEnvironment())))
191 InsetLayout const * findInsetLayoutWithoutModule(TextClass const & tc,
192 string const & name, bool command,
193 string const & latexparam)
195 for (auto const & ilay : tc.insetLayouts()) {
196 if (ilay.second.latexname() == name &&
197 (latexparam.empty() ||
198 (!ilay.second.latexparam().empty() && suffixIs(latexparam, ilay.second.latexparam()))) &&
199 ((command && ilay.second.latextype() == InsetLayout::COMMAND) ||
200 (!command && ilay.second.latextype() == InsetLayout::ENVIRONMENT)))
201 return &(ilay.second);
209 typedef map<string, DocumentClassPtr> ModuleMap;
213 bool addModule(string const & module, LayoutFile const & baseClass, LayoutModuleList & m, vector<string> & visited)
215 // avoid endless loop for circular dependency
216 vector<string>::const_iterator const vb = visited.begin();
217 vector<string>::const_iterator const ve = visited.end();
218 if (find(vb, ve, module) != ve) {
219 cerr << "Circular dependency detected for module " << module << '\n';
222 LyXModule const * const lm = theModuleList[module];
224 cerr << "Could not find module " << module << " in module list.\n";
227 bool foundone = false;
228 LayoutModuleList::const_iterator const exclmodstart = baseClass.excludedModules().begin();
229 LayoutModuleList::const_iterator const exclmodend = baseClass.excludedModules().end();
230 LayoutModuleList::const_iterator const provmodstart = baseClass.providedModules().begin();
231 LayoutModuleList::const_iterator const provmodend = baseClass.providedModules().end();
232 vector<string> const reqs = lm->getRequiredModules();
236 LayoutModuleList::const_iterator mit = m.begin();
237 LayoutModuleList::const_iterator men = m.end();
238 vector<string>::const_iterator rit = reqs.begin();
239 vector<string>::const_iterator ren = reqs.end();
240 for (; rit != ren; ++rit) {
241 if (find(mit, men, *rit) != men) {
245 if (find(provmodstart, provmodend, *rit) != provmodend) {
251 visited.push_back(module);
252 for (rit = reqs.begin(); rit != ren; ++rit) {
253 if (find(exclmodstart, exclmodend, *rit) == exclmodend) {
254 if (addModule(*rit, baseClass, m, visited)) {
264 cerr << "Could not add required modules for " << module << ".\n";
267 if (!m.moduleCanBeAdded(module, &baseClass))
276 // Create list of dummy document classes if not already done.
277 // This is needed since a module cannot be read on its own, only as
278 // part of a document class.
279 LayoutFile const & baseClass = LayoutFileList::get()[textclass.name()];
280 static bool init = true;
283 LyXModuleList::const_iterator const end = theModuleList.end();
284 LyXModuleList::const_iterator it = theModuleList.begin();
285 for (; it != end; ++it) {
286 string const module = it->getID();
289 if (!addModule(module, baseClass, m, v))
291 modules[module] = getDocumentClass(baseClass, m);
298 bool addModule(string const & module)
301 LayoutFile const & baseClass = LayoutFileList::get()[textclass.name()];
302 if (!used_modules.moduleCanBeAdded(module, &baseClass))
304 FileName layout_file = libFileSearch("layouts", module, "module");
305 if (textclass.read(layout_file, TextClass::MODULE)) {
306 used_modules.push_back(module);
307 // speed up further searches:
308 // the module does not need to be checked anymore.
309 ModuleMap::iterator const it = modules.find(module);
310 if (it != modules.end())
320 bool checkModule(string const & name, bool command)
322 // Cache to avoid slowdown by repated searches
323 static set<string> failed[2];
325 // Record whether the command was actually defined in the LyX preamble
326 bool theorem = false;
327 bool preamble_def = true;
329 if (possible_textclass_commands.find('\\' + name) == possible_textclass_commands.end())
330 preamble_def = false;
332 if (possible_textclass_environments.find(name) == possible_textclass_environments.end()) {
333 if (possible_textclass_theorems.find(name) != possible_textclass_theorems.end())
336 preamble_def = false;
339 if (failed[command].find(name) != failed[command].end())
343 LayoutFile const & baseClass = LayoutFileList::get()[textclass.name()];
345 // Try to find a module that defines the command.
346 // For commands with preamble definitions we prefer modules where the definition
347 // can be found in the preamble of the style that corresponds to the command.
348 // For others we check whether the command or module requires a package that is loaded
349 // in the tex file and use a style with the respective command.
350 // This is a heuristic and different from the way how we parse the builtin
351 // commands of the text class (in that case we only compare the name),
352 // but it is needed since it is not unlikely that two different modules define a
353 // command with the same name.
355 vector<string> potential_modules;
356 ModuleMap::iterator const end = modules.end();
357 for (ModuleMap::iterator it = modules.begin(); it != end; ++it) {
358 string const module = it->first;
359 if (used_modules.moduleConflicts(module, &baseClass))
361 if (findLayoutWithoutModule(textclass, name, command))
363 if (findInsetLayoutWithoutModule(textclass, name, command))
365 DocumentClassConstPtr c = it->second;
366 Layout const * layout = findLayoutWithoutModule(*c, name, command);
367 InsetLayout const * insetlayout = layout ? nullptr :
368 findInsetLayoutWithoutModule(*c, name, command);
370 std::set<std::string> cmd_reqs;
371 bool found_style = false;
374 dpre = layout->preamble();
375 std::set<std::string> const & lreqs = layout->required();
377 cmd_reqs.insert(lreqs.begin(), lreqs.end());
378 } else if (insetlayout) {
380 dpre = insetlayout->preamble();
381 std::set<std::string> lreqs = insetlayout->required();
383 cmd_reqs.insert(lreqs.begin(), lreqs.end());
385 if (dpre.empty() && preamble_def)
387 bool const package_cmd = dpre.empty();
388 bool match_req = false;
390 std::set<std::string> mreqs = it->second->required();
392 cmd_reqs.insert(mreqs.begin(), mreqs.end());
393 for (auto const & pack : cmd_reqs) {
394 // If a requirement of the module matches a used package
395 // we load the module except if we have an auto-loaded package
396 // which is only required generally by the module, and the module
397 // does not provide the [inset]layout we are looking for.
398 // This heuristics should
399 // * load modules if the provide a style we don't have in the class
400 // * load modules that provide a package support generally (such as fixltx2e)
401 // * not unnecessarily load modules just because they require a package which we
403 if (preamble.isPackageUsed(pack)
404 && (found_style || !preamble.isPackageAutoLoaded(pack))) {
408 potential_modules.push_back(module);
413 bool add = match_req;
416 FullCommand const & cmd =
417 possible_textclass_commands['\\' + name];
418 if (dpre.find(cmd.def) != docstring::npos)
420 } else if (theorem) {
421 FullCommand const & thm =
422 possible_textclass_theorems[name];
423 if (dpre.find(thm.def) != docstring::npos)
426 FullEnvironment const & env =
427 possible_textclass_environments[name];
428 if (dpre.find(env.beg) != docstring::npos &&
429 dpre.find(env.end) != docstring::npos)
434 found_module = module;
438 if (found_module.empty()) {
439 // take one of the second row
440 if (!potential_modules.empty())
441 found_module = potential_modules.front();
444 if (!found_module.empty()) {
446 LayoutModuleList mods;
447 // addModule is necessary in order to catch required modules
448 // as well (see #11156)
449 if (!addModule(found_module, baseClass, mods, v))
451 for (auto const & mod : mods) {
452 if (!used_modules.moduleCanBeAdded(mod, &baseClass))
454 FileName layout_file = libFileSearch("layouts", mod, "module");
455 if (textclass.read(layout_file, TextClass::MODULE)) {
456 used_modules.push_back(mod);
457 // speed up further searches:
458 // the module does not need to be checked anymore.
459 ModuleMap::iterator const it = modules.find(mod);
460 if (it != modules.end())
466 failed[command].insert(name);
471 bool isProvided(string const & name)
473 // This works only for features that are named like the LaTeX packages
474 return textclass.provides(name) || preamble.isPackageUsed(name);
478 bool noweb_mode = false;
479 bool pdflatex = false;
481 bool is_nonCJKJapanese = false;
482 bool roundtrip = false;
489 * Read one command definition from the syntax file
491 void read_command(Parser & p, string command, CommandMap & commands)
493 if (p.next_token().asInput() == "*") {
497 vector<ArgumentType> arguments;
498 while (p.next_token().cat() == catBegin ||
499 p.next_token().asInput() == "[") {
500 if (p.next_token().cat() == catBegin) {
501 string const arg = p.getArg('{', '}');
502 if (arg == "translate")
503 arguments.push_back(required);
504 else if (arg == "group")
505 arguments.push_back(req_group);
506 else if (arg == "item")
507 arguments.push_back(item);
508 else if (arg == "displaymath")
509 arguments.push_back(displaymath);
511 arguments.push_back(verbatim);
513 string const arg = p.getArg('[', ']');
515 arguments.push_back(opt_group);
517 arguments.push_back(optional);
520 commands[command] = arguments;
525 * Read a class of environments from the syntax file
527 void read_environment(Parser & p, string const & begin,
528 CommandMap & environments)
532 Token const & t = p.get_token();
533 if (t.cat() == catLetter)
534 environment += t.asInput();
535 else if (!environment.empty()) {
537 read_command(p, environment, environments);
540 if (t.cat() == catEscape && t.asInput() == "\\end") {
541 string const end = p.getArg('{', '}');
550 * Read a list of TeX commands from a reLyX compatible syntax file.
551 * Since this list is used after all commands that have a LyX counterpart
552 * are handled, it does not matter that the "syntax.default" file
553 * has almost all of them listed. For the same reason the reLyX-specific
554 * reLyXre environment is ignored.
556 bool read_syntaxfile(FileName const & file_name)
558 ifdocstream is(file_name.toFilesystemEncoding().c_str());
560 cerr << "Could not open syntax file \"" << file_name
561 << "\" for reading." << endl;
564 // We can use our TeX parser, since the syntax of the layout file is
565 // modeled after TeX.
566 // Unknown tokens are just silently ignored, this helps us to skip some
567 // reLyX specific things.
568 Parser p(is, string());
570 Token const & t = p.get_token();
571 if (t.cat() == catEscape) {
572 string const command = t.asInput();
573 if (command == "\\begin") {
574 string const name = p.getArg('{', '}');
575 if (name == "environments" || name == "reLyXre")
576 // We understand "reLyXre", but it is
577 // not as powerful as "environments".
578 read_environment(p, name,
580 else if (name == "mathenvironments")
581 read_environment(p, name,
582 known_math_environments);
584 read_command(p, command, known_commands);
592 string documentclass;
593 string default_encoding;
594 bool fixed_encoding = false;
596 bool copy_files = false;
597 bool overwrite_files = false;
598 bool skip_children = false;
601 /// return the number of arguments consumed
602 typedef int (*cmd_helper)(string const &, string const &);
605 class StopException : public exception
608 StopException(int status) : status_(status) {}
609 int status() const { return status_; }
615 /// The main application class
616 class TeX2LyXApp : public ConsoleApplication
619 TeX2LyXApp(int & argc, char * argv[])
620 : ConsoleApplication("tex2lyx" PROGRAM_SUFFIX, argc, argv),
621 argc_(argc), argv_(argv)
624 void doExec() override
627 int const exit_status = run();
630 catch (StopException & e) {
643 int parse_help(string const &, string const &)
645 cout << "Usage: tex2lyx [options] infile.tex [outfile.lyx]\n"
647 "\t-c textclass Declare the textclass.\n"
648 "\t-m mod1[,mod2...] Load the given modules.\n"
649 "\t-copyfiles Copy all included files to the directory of outfile.lyx.\n"
650 "\t-e encoding Set the default encoding (latex name).\n"
651 "\t-fixedenc encoding Like -e, but ignore encoding changing commands while parsing.\n"
652 "\t-f Force overwrite of .lyx files.\n"
653 "\t-help Print this message and quit.\n"
654 "\t-n translate literate programming (noweb, sweave,... ) file.\n"
655 "\t-skipchildren Do not translate included child documents.\n"
656 "\t-roundtrip re-export created .lyx file infile.lyx.lyx to infile.lyx.tex.\n"
657 "\t-s syntaxfile read additional syntax file.\n"
658 "\t-sysdir SYSDIR Set system directory to SYSDIR.\n"
659 "\t Default: " << package().system_support() << "\n"
660 "\t-userdir USERDIR Set user directory to USERDIR.\n"
661 "\t Default: " << package().user_support() << "\n"
662 "\t-version Summarize version and build info.\n"
664 "\tThe program searches for the files \"encodings\", \"lyxmodules.lst\",\n"
665 "\t\"textclass.lst\", \"syntax.default\", and \"unicodesymbols\", first in\n"
666 "\t\"USERDIR\", then in \"SYSDIR\". The subdirectories \"USERDIR/layouts\"\n"
667 "\tand \"SYSDIR/layouts\" are searched for layout and module files.\n"
668 "Check the tex2lyx man page for more details."
670 throw StopException(error_code);
674 int parse_version(string const &, string const &)
676 cout << "tex2lyx " << lyx_version
677 << " (" << lyx_release_date << ")" << endl;
679 cout << lyx_version_info << endl;
680 throw StopException(error_code);
684 void error_message(string const & message)
686 cerr << "tex2lyx: " << message << "\n\n";
687 error_code = EXIT_FAILURE;
688 parse_help(string(), string());
692 int parse_class(string const & arg, string const &)
695 error_message("Missing textclass string after -c switch");
701 int parse_module(string const & arg, string const &)
704 error_message("Missing modules string after -m switch");
705 split(arg, preloaded_modules, ',');
710 int parse_encoding(string const & arg, string const &)
713 error_message("Missing encoding string after -e switch");
714 default_encoding = arg;
719 int parse_fixed_encoding(string const & arg, string const &)
722 error_message("Missing encoding string after -fixedenc switch");
723 default_encoding = arg;
724 fixed_encoding = true;
729 int parse_syntaxfile(string const & arg, string const &)
732 error_message("Missing syntaxfile string after -s switch");
733 syntaxfile = internal_path(arg);
738 // Filled with the command line arguments "foo" of "-sysdir foo" or
740 string cl_system_support;
741 string cl_user_support;
744 int parse_sysdir(string const & arg, string const &)
747 error_message("Missing directory for -sysdir switch");
748 cl_system_support = internal_path(arg);
753 int parse_userdir(string const & arg, string const &)
756 error_message("Missing directory for -userdir switch");
757 cl_user_support = internal_path(arg);
762 int parse_force(string const &, string const &)
764 overwrite_files = true;
769 int parse_noweb(string const &, string const &)
776 int parse_skipchildren(string const &, string const &)
778 skip_children = true;
783 int parse_roundtrip(string const &, string const &)
790 int parse_copyfiles(string const &, string const &)
797 void TeX2LyXApp::easyParse()
799 map<string, cmd_helper> cmdmap;
801 cmdmap["-h"] = parse_help;
802 cmdmap["-help"] = parse_help;
803 cmdmap["--help"] = parse_help;
804 cmdmap["-v"] = parse_version;
805 cmdmap["-version"] = parse_version;
806 cmdmap["--version"] = parse_version;
807 cmdmap["-c"] = parse_class;
808 cmdmap["-m"] = parse_module;
809 cmdmap["-e"] = parse_encoding;
810 cmdmap["-fixedenc"] = parse_fixed_encoding;
811 cmdmap["-f"] = parse_force;
812 cmdmap["-s"] = parse_syntaxfile;
813 cmdmap["-n"] = parse_noweb;
814 cmdmap["-skipchildren"] = parse_skipchildren;
815 cmdmap["-sysdir"] = parse_sysdir;
816 cmdmap["-userdir"] = parse_userdir;
817 cmdmap["-roundtrip"] = parse_roundtrip;
818 cmdmap["-copyfiles"] = parse_copyfiles;
820 for (int i = 1; i < argc_; ++i) {
821 map<string, cmd_helper>::const_iterator it
822 = cmdmap.find(argv_[i]);
824 // don't complain if not found - may be parsed later
825 if (it == cmdmap.end()) {
826 if (argv_[i][0] == '-')
827 error_message(string("Unknown option `") + argv_[i] + "'.");
832 string arg = (i + 1 < argc_) ? os::utf8_argv(i + 1) : string();
833 string arg2 = (i + 2 < argc_) ? os::utf8_argv(i + 2) : string();
835 int const remove = 1 + it->second(arg, arg2);
837 // Now, remove used arguments by shifting
838 // the following ones remove places down.
839 os::remove_internal_args(i, remove);
841 for (int j = i; j < argc_; ++j)
842 argv_[j] = argv_[j + remove];
848 // path of the first parsed file
849 string masterFilePathLyX;
850 string masterFilePathTeX;
851 // path of the currently parsed file
852 string parentFilePathTeX;
854 } // anonymous namespace
857 string getMasterFilePath(bool input)
859 return input ? masterFilePathTeX : masterFilePathLyX;
862 string getParentFilePath(bool input)
865 return parentFilePathTeX;
866 string const rel = to_utf8(makeRelPath(from_utf8(masterFilePathTeX),
867 from_utf8(parentFilePathTeX)));
868 if (rel.substr(0, 3) == "../") {
869 // The parent is not below the master - keep the path
870 return parentFilePathTeX;
872 return makeAbsPath(rel, masterFilePathLyX).absFileName();
882 bool overwriteFiles()
884 return overwrite_files;
890 return skip_children;
903 * Reads tex input from \a is and writes lyx output to \a os.
904 * Uses some common settings for the preamble, so this should only
905 * be used more than once for included documents.
906 * Caution: Overwrites the existing preamble settings if the new document
907 * contains a preamble.
908 * You must ensure that \p parentFilePathTeX is properly set before calling
911 bool tex2lyx(idocstream & is, ostream & os, string const & encoding,
912 string const & outfiledir)
914 Parser p(is, fixed_encoding ? default_encoding : string());
915 p.setEncoding(encoding);
918 preamble.parse(p, documentclass, textclass);
919 list<string> removed_modules;
920 LayoutFile const & baseClass = LayoutFileList::get()[textclass.name()];
921 if (!used_modules.adaptToBaseClass(&baseClass, removed_modules)) {
922 cerr << "Could not load default modules for text class." << endl;
926 // Load preloaded modules.
927 // This needs to be done after the preamble is parsed, since the text
928 // class may not be known before. It neds to be done before parsing
929 // body, since otherwise the commands/environments provided by the
930 // modules would be parsed as ERT.
931 for (auto const & module : preloaded_modules) {
932 if (!addModule(module)) {
933 cerr << "Error: Could not load module \""
934 << module << "\"." << endl;
938 // Ensure that the modules are not loaded again for included files
939 preloaded_modules.clear();
941 active_environments.push_back("document");
942 Context context(true, textclass);
944 // store the document language in the context to be able to handle the
945 // commands like \foreignlanguage and \textenglish etc.
946 context.font.language = preamble.defaultLanguage();
947 // parse the main text
948 parse_text(p, ss, FLAG_END, true, context);
949 // check if we need a commented bibtex inset (biblatex)
950 check_comment_bib(ss, context);
952 // Empty document body. LyX needs at least one paragraph.
953 context.check_layout(ss);
954 context.check_end_layout(ss);
955 ss << "\n\\end_body\n\\end_document\n";
956 active_environments.pop_back();
958 // We know the used modules only after parsing the full text
959 if (!used_modules.empty()) {
960 LayoutModuleList::const_iterator const end = used_modules.end();
961 LayoutModuleList::const_iterator it = used_modules.begin();
962 for (; it != end; ++it)
963 preamble.addModule(*it);
965 if (!preamble.writeLyXHeader(os, !active_environments.empty(), outfiledir)) {
966 cerr << "Could not write LyX file header." << endl;
974 ofdocstream parsertest("parsertest.tex");
976 parsertest << p.get_token().asInput();
977 // <origfile> and parsertest.tex should now have identical content
983 /// convert TeX from \p infilename to LyX and write it to \p os
984 bool tex2lyx(FileName const & infilename, ostream & os, string encoding,
985 string const & outfiledir)
987 // Set a sensible default encoding.
988 // This is used until an encoding command is found.
989 // For child documents use the encoding of the master, else try to
990 // detect it from the preamble, since setting an encoding of an open
991 // fstream does currently not work on OS X.
992 // Always start with ISO-8859-1, (formerly known by its latex name
993 // latin1), since ISO-8859-1 does not cause an iconv error if the
994 // actual encoding is different (bug 7509).
995 if (encoding.empty()) {
996 Encoding const * enc = 0;
997 if (preamble.inputencoding() == "auto-legacy") {
998 ifdocstream is(setEncoding("ISO-8859-1"));
999 // forbid buffering on this stream
1000 is.rdbuf()->pubsetbuf(0, 0);
1001 is.open(infilename.toFilesystemEncoding().c_str());
1003 Parser ep(is, string());
1004 ep.setEncoding("ISO-8859-1");
1005 Preamble encodingpreamble;
1006 string const e = encodingpreamble
1007 .parseEncoding(ep, documentclass);
1009 enc = encodings.fromLyXName(e, true);
1012 enc = encodings.fromLyXName(
1013 preamble.inputencoding(), true);
1015 encoding = enc->iconvName();
1017 encoding = "ISO-8859-1";
1019 preamble.docencoding = encoding;
1022 ifdocstream is(setEncoding(encoding));
1023 // forbid buffering on this stream
1024 is.rdbuf()->pubsetbuf(0, 0);
1025 is.open(infilename.toFilesystemEncoding().c_str());
1027 cerr << "Could not open input file \"" << infilename
1028 << "\" for reading." << endl;
1031 string const oldParentFilePath = parentFilePathTeX;
1032 parentFilePathTeX = onlyPath(infilename.absFileName());
1033 bool retval = tex2lyx(is, os, encoding, outfiledir);
1034 parentFilePathTeX = oldParentFilePath;
1038 } // anonymous namespace
1041 bool tex2lyx(string const & infilename, FileName const & outfilename,
1042 string const & encoding)
1044 if (outfilename.isReadableFile()) {
1045 if (overwrite_files) {
1046 cerr << "Overwriting existing file "
1047 << outfilename << endl;
1049 cerr << "Not overwriting existing file "
1050 << outfilename << endl;
1054 cerr << "Creating file " << outfilename << endl;
1056 ofstream os(outfilename.toFilesystemEncoding().c_str());
1058 cerr << "Could not open output file \"" << outfilename
1059 << "\" for writing." << endl;
1063 cerr << "Input file: " << infilename << "\n";
1064 cerr << "Output file: " << outfilename << "\n";
1066 return tex2lyx(FileName(infilename), os, encoding,
1067 outfilename.onlyPath().absFileName() + '/');
1071 bool tex2tex(string const & infilename, FileName const & outfilename,
1072 string const & encoding)
1074 if (!tex2lyx(infilename, outfilename, encoding))
1076 string command = quoteName(package().lyx_binary().toFilesystemEncoding());
1077 if (overwrite_files)
1078 command += " -f main";
1080 command += " -f none";
1082 command += " -e pdflatex ";
1084 command += " -e xetex ";
1086 command += " -e latex ";
1087 command += quoteName(outfilename.toFilesystemEncoding());
1089 if (one.startscript(Systemcall::Wait, command) == 0)
1091 cerr << "Error: Running '" << command << "' failed." << endl;
1098 int TeX2LyXApp::run()
1100 // qt changes this, and our numeric conversions require the C locale
1101 setlocale(LC_NUMERIC, "C");
1104 init_package(internal_path(os::utf8_argv(0)), string(), string());
1105 } catch (ExceptionMessage const & message) {
1106 cerr << to_utf8(message.title_) << ":\n"
1107 << to_utf8(message.details_) << endl;
1108 if (message.type_ == ErrorException)
1109 return EXIT_FAILURE;
1115 error_message("Not enough arguments.");
1118 init_package(internal_path(os::utf8_argv(0)),
1119 cl_system_support, cl_user_support);
1120 } catch (ExceptionMessage const & message) {
1121 cerr << to_utf8(message.title_) << ":\n"
1122 << to_utf8(message.details_) << endl;
1123 if (message.type_ == ErrorException)
1124 return EXIT_FAILURE;
1127 // Check that user LyX directory is ok.
1128 FileName const sup = package().user_support();
1129 if (sup.exists() && sup.isDirectory()) {
1130 string const lock_file = package().getConfigureLockName();
1131 int fd = fileLock(lock_file.c_str());
1132 if (configFileNeedsUpdate("lyxrc.defaults") ||
1133 configFileNeedsUpdate("lyxmodules.lst") ||
1134 configFileNeedsUpdate("textclass.lst") ||
1135 configFileNeedsUpdate("packages.lst") ||
1136 configFileNeedsUpdate("lyxciteengines.lst") ||
1137 configFileNeedsUpdate("xtemplates.lst"))
1138 package().reconfigureUserLyXDir("");
1139 fileUnlock(fd, lock_file.c_str());
1141 error_message("User directory does not exist.");
1143 // Now every known option is parsed. Look for input and output
1144 // file name (the latter is optional).
1145 string infilename = internal_path(os::utf8_argv(1));
1146 infilename = makeAbsPath(infilename).absFileName();
1150 outfilename = internal_path(os::utf8_argv(2));
1151 if (outfilename != "-")
1152 outfilename = makeAbsPath(outfilename).absFileName();
1154 if (outfilename == "-") {
1155 cerr << "Error: Writing to standard output is "
1156 "not supported in roundtrip mode."
1158 return EXIT_FAILURE;
1160 string texfilename = changeExtension(outfilename, ".tex");
1161 if (equivalent(FileName(infilename), FileName(texfilename))) {
1162 cerr << "Error: The input file `" << infilename
1163 << "´ would be overwritten by the TeX file exported from `"
1164 << outfilename << "´ in roundtrip mode." << endl;
1165 return EXIT_FAILURE;
1168 } else if (roundtrip) {
1169 // avoid overwriting the input file
1170 outfilename = changeExtension(infilename, ".lyx.lyx");
1172 outfilename = changeExtension(infilename, ".lyx");
1174 // Read the syntax tables
1175 FileName const system_syntaxfile = libFileSearch("", "syntax.default");
1176 if (system_syntaxfile.empty()) {
1177 cerr << "Error: Could not find syntax file \"syntax.default\"." << endl;
1178 return EXIT_FAILURE;
1180 if (!read_syntaxfile(system_syntaxfile))
1182 if (!syntaxfile.empty())
1183 if (!read_syntaxfile(makeAbsPath(syntaxfile)))
1186 // Read the encodings table.
1187 FileName const symbols_path = libFileSearch(string(), "unicodesymbols");
1188 if (symbols_path.empty()) {
1189 cerr << "Error: Could not find file \"unicodesymbols\"."
1191 return EXIT_FAILURE;
1193 FileName const enc_path = libFileSearch(string(), "encodings");
1194 if (enc_path.empty()) {
1195 cerr << "Error: Could not find file \"encodings\"."
1197 return EXIT_FAILURE;
1199 encodings.read(enc_path, symbols_path);
1200 if (!default_encoding.empty()) {
1201 Encoding const * const enc = encodings.fromLaTeXName(
1202 default_encoding, Encoding::any, true);
1204 error_message("Unknown LaTeX encoding `" + default_encoding + "'");
1205 default_encoding = enc->iconvName();
1207 preamble.setInputencoding(enc->name());
1211 LayoutFileList::get().read();
1212 //...and the modules
1213 theModuleList.read();
1215 // The real work now.
1216 masterFilePathTeX = onlyPath(infilename);
1217 parentFilePathTeX = masterFilePathTeX;
1218 if (outfilename == "-") {
1219 // assume same directory as input file
1220 masterFilePathLyX = masterFilePathTeX;
1221 if (tex2lyx(FileName(infilename), cout, default_encoding, masterFilePathLyX))
1222 return EXIT_SUCCESS;
1224 masterFilePathLyX = onlyPath(outfilename);
1226 FileName const path(masterFilePathLyX);
1227 if (!path.isDirectory()) {
1228 if (!path.createPath()) {
1229 cerr << "Warning: Could not create directory for file `"
1230 << masterFilePathLyX << "´." << endl;
1231 return EXIT_FAILURE;
1236 if (tex2tex(infilename, FileName(outfilename), default_encoding))
1237 return EXIT_SUCCESS;
1239 if (lyx::tex2lyx(infilename, FileName(outfilename), default_encoding))
1240 return EXIT_SUCCESS;
1243 return EXIT_FAILURE;
1246 } // anonymous namespace
1250 int main(int argc, char * argv[])
1252 //setlocale(LC_CTYPE, "");
1254 lyx::lyxerr.setStream(cerr);
1256 os::init(argc, &argv);
1258 lyx::TeX2LyXApp app(argc, argv);