src/lyx_main.C

   1 /**
   2  * \file lyx_main.C
   3  * Copyright 1995-2002 the LyX Team
   4  * Read the file COPYING
   5  *
   6  * \author unknown
   7  */
   8
   9 #include <config.h>
  10 #include <version.h>
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 #include "lyx_main.h"
  17
  18 #include "support/filetools.h"
  19 #include "support/lyxlib.h"
  20 #include "support/os.h"
  21 #include "support/FileInfo.h"
  22 #include "support/path.h"
  23 #include "debug.h"
  24 #include "gettext.h"
  25 #include "lyxlex.h"
  26
  27 #include "bufferlist.h"
  28 #include "lyxserver.h"
  29 #include "kbmap.h"
  30 #include "lyxfunc.h"
  31 #include "ToolbarDefaults.h"
  32 #include "MenuBackend.h"
  33 #include "language.h"
  34 #include "lastfiles.h"
  35 #include "encoding.h"
  36 #include "converter.h"
  37 #include "lyxtextclasslist.h"
  38
  39 #include "frontends/Alert.h"
  40 #include "frontends/lyx_gui.h"
  41
  42 #include <cstdlib>
  43 #include <csignal>
  44
  45 using std::vector;
  46 using std::endl;
  47
  48 #ifndef CXX_GLOBAL_CSTD
  49 using std::exit;
  50 using std::signal;
  51 using std::system;
  52 #endif
  53
  54 extern void LoadLyXFile(string const &);
  55 extern void QuitLyX();
  56
  57 extern LyXServer * lyxserver;
  58
  59 string system_lyxdir;
  60 string build_lyxdir;
  61 string system_tempdir;
  62 string user_lyxdir;
  63
  64 DebugStream lyxerr;
  65
  66 boost::scoped_ptr<LastFiles> lastfiles;
  67
  68 // This is the global bufferlist object
  69 BufferList bufferlist;
  70
  71 // convenient to have it here.
  72 boost::scoped_ptr<kb_keymap> toplevel_keymap;
  73
  74
  75 LyX::LyX(int & argc, char * argv[])
  76 {
  77         // Here we need to parse the command line. At least
  78         // we need to parse for "-dbg" and "-help"
  79         bool const want_gui = easyParse(argc, argv);
  80
  81         // Global bindings (this must be done as early as possible.) (Lgb)
  82         toplevel_keymap.reset(new kb_keymap);
  83         defaultKeyBindings(toplevel_keymap.get());
  84
  85         if (want_gui) {
  86                 lyx_gui::parse_init(argc, argv);
  87         }
  88
  89         // check for any spurious extra arguments
  90         // other than documents
  91         for (int argi = 1; argi < argc ; ++argi) {
  92                 if (argv[argi][0] == '-') {
  93                         lyxerr << _("Wrong command line option `")
  94                                << argv[argi]
  95                                << _("'. Exiting.") << endl;
  96                         exit(1);
  97                 }
  98         }
  99
 100         // Initialization of LyX (reads lyxrc and more)
 101         lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
 102         init(want_gui);
 103         lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
 104
 105         if (want_gui) {
 106                 lyx_gui::parse_lyxrc();
 107         }
 108
 109         vector<string> files;
 110
 111         for (int argi = argc - 1; argi >= 1; --argi) {
 112                 files.push_back(argv[argi]);
 113         }
 114
 115         if (first_start) {
 116                 files.push_back(i18nLibFileSearch("examples", "splash.lyx"));
 117         }
 118
 119 #if 0 // FIXME: GUII
 120         // Execute batch commands if available
 121         if (!batch_command.empty()) {
 122                 lyxerr[Debug::INIT] << "About to handle -x '"
 123                        << batch_command << "'" << endl;
 124
 125                 // no buffer loaded, create one
 126                 if (!last_loaded)
 127                         last_loaded = bufferlist.newFile("tmpfile", string());
 128
 129                 bool success = false;
 130
 131                 // try to dispatch to last loaded buffer first
 132                 bool const dispatched = last_loaded->dispatch(batch_command, &success);
 133
 134                 // if this was successful, finish
 135                 if (dispatched) {
 136                         QuitLyX();
 137                         exit(!success);
 138                 }
 139         }
 140 #endif
 141
 142         lyx_gui::start(batch_command, files);
 143 }
 144
 145
 146 extern "C" {
 147
 148 static
 149 void error_handler(int err_sig)
 150 {
 151         switch (err_sig) {
 152         case SIGHUP:
 153                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 154                 break;
 155         case SIGINT:
 156                 // no comments
 157                 break;
 158         case SIGFPE:
 159                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 160                 break;
 161         case SIGSEGV:
 162                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 163                 lyxerr <<
 164                         "Sorry, you have found a bug in LyX. "
 165                         "Please read the bug-reporting instructions "
 166                         "in Help->Introduction and send us a bug report, "
 167                         "if necessary. Thanks !" << endl;
 168                 break;
 169         case SIGTERM:
 170                 // no comments
 171                 break;
 172         }
 173
 174         // Deinstall the signal handlers
 175         signal(SIGHUP, SIG_DFL);
 176         signal(SIGINT, SIG_DFL);
 177         signal(SIGFPE, SIG_DFL);
 178         signal(SIGSEGV, SIG_DFL);
 179         signal(SIGTERM, SIG_DFL);
 180
 181         LyX::emergencyCleanup();
 182
 183         lyxerr << "Bye." << endl;
 184         if (err_sig!= SIGHUP &&
 185            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 186                 lyx::abort();
 187         exit(0);
 188 }
 189
 190 }
 191
 192
 193 void LyX::init(bool gui)
 194 {
 195         // Install the signal handlers
 196         signal(SIGHUP, error_handler);
 197         signal(SIGFPE, error_handler);
 198         signal(SIGSEGV, error_handler);
 199         signal(SIGINT, error_handler);
 200         signal(SIGTERM, error_handler);
 201
 202         //
 203         // Determine path of binary
 204         //
 205
 206         string binpath = os::binpath();
 207         string binname = os::binname();
 208         string fullbinname = MakeAbsPath(binname, binpath);
 209
 210         if (binpath.empty()) {
 211                 lyxerr << _("Warning: could not determine path of binary.")
 212                        << "\n"
 213                        << _("If you have problems, try starting LyX with an absolute path.")
 214                        << endl;
 215         }
 216         lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
 217         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 218
 219         //
 220         // Determine system directory.
 221         //
 222
 223         // Directories are searched in this order:
 224         // 1) -sysdir command line parameter
 225         // 2) LYX_DIR_13x environment variable
 226         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 227         // 4) <path of binary>/../share/<name of binary>/
 228         // 4a) repeat 4 after following the Symlink if <path of
 229         //     binary> is a symbolic link.
 230         // 5) hardcoded lyx_dir
 231         // The directory is checked for the presence of the file
 232         // "chkconfig.ltx", and if that is present, the directory
 233         // is accepted as the system directory.
 234         // If no chkconfig.ltx file is found, a warning is given,
 235         // and the hardcoded lyx_dir is used.
 236
 237         // If we had a command line switch, system_lyxdir is already set
 238         string searchpath;
 239         if (!system_lyxdir.empty())
 240                 searchpath = MakeAbsPath(system_lyxdir) + ';';
 241
 242         // LYX_DIR_13x environment variable
 243         string const lyxdir = GetEnvPath("LYX_DIR_13x");
 244
 245         if (!lyxdir.empty()) {
 246                 lyxerr[Debug::INIT] << "LYX_DIR_13x: " << lyxdir << endl;
 247                 searchpath += lyxdir + ';';
 248         }
 249
 250         string fullbinpath = binpath;
 251         FileInfo file(fullbinname, true);
 252         if (file.isLink()) {
 253                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 254                 string link;
 255                 if (LyXReadLink(fullbinname, link, true)) {
 256                         // Path of binary/../share/name of binary/
 257                         searchpath += NormalizePath(AddPath(binpath,
 258                                                             "../share/")
 259                                                     + OnlyFilename(binname));
 260                         searchpath += ';';
 261                         fullbinpath = link;
 262                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 263                 }
 264         }
 265
 266         bool followlink;
 267         do {
 268                 // Path of binary/../share/name of binary/
 269                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 270                       OnlyFilename(binname)) + ';';
 271
 272                 // Follow Symlinks
 273                 FileInfo file(fullbinpath, true);
 274                 followlink = file.isLink();
 275                 if (followlink) {
 276                         lyxerr << " directory " << fullbinpath
 277                                << " is a link" << endl;
 278                         string link;
 279                         if (LyXReadLink(fullbinpath, link, true)) {
 280                                 fullbinpath = link;
 281                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 282                         }
 283                         else {
 284                                 followlink = false;
 285                         }
 286                 }
 287         } while (followlink);
 288
 289         // <path of binary>/TOP_SRCDIR/lib
 290         build_lyxdir = MakeAbsPath("../lib", binpath);
 291         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 292                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 293                                           binpath) + ';';
 294                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 295                         "place... yes" << endl;
 296         } else {
 297                 lyxerr[Debug::INIT]
 298                         << "Checking whether LyX is run in place... no"
 299                         << endl;
 300                 build_lyxdir.erase();
 301         }
 302
 303         // Hardcoded dir
 304         searchpath += LYX_DIR;
 305
 306         // If debugging, show complete search path
 307         lyxerr[Debug::INIT] << "System directory search path: "
 308                             << searchpath << endl;
 309
 310         string const filename = "chkconfig.ltx";
 311         string const temp = FileOpenSearch(searchpath, filename, string());
 312         system_lyxdir = OnlyPath(temp);
 313
 314         // Reduce "path/../path" stuff out of system directory
 315         system_lyxdir = NormalizePath(system_lyxdir);
 316
 317         bool path_shown = false;
 318
 319         // Warn if environment variable is set, but unusable
 320         if (!lyxdir.empty()) {
 321                 if (system_lyxdir != NormalizePath(lyxdir)) {
 322                         lyxerr <<_("LYX_DIR_13x environment variable no good.")
 323                                << '\n'
 324                                << _("System directory set to: ")
 325                                << system_lyxdir << endl;
 326                         path_shown = true;
 327                 }
 328         }
 329
 330         // Warn the user if we couldn't find "chkconfig.ltx"
 331         if (system_lyxdir == "./") {
 332                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 333                        <<_("Try the '-sysdir' command line parameter or ")
 334                        <<_("set the environment variable LYX_DIR_13x to the "
 335                            "LyX system directory ")
 336                        << _("containing the file `chkconfig.ltx'.") << endl;
 337                 if (!path_shown) {
 338                         FileInfo fi(LYX_DIR);
 339                         if (!fi.exist()) {
 340                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 341                                         << "Giving up." << endl;
 342                                 exit(1);
 343                         }
 344                         lyxerr << _("Using built-in default ")
 345                                << LYX_DIR << _(" but expect problems.")
 346                                << endl;
 347                 } else {
 348                         lyxerr << _("Expect problems.") << endl;
 349                 }
 350                 system_lyxdir = LYX_DIR;
 351                 path_shown = true;
 352         }
 353         // Report the system directory if debugging is on
 354         if (!path_shown)
 355                 lyxerr[Debug::INIT] << "System directory: '"
 356                                     << system_lyxdir << '\'' << endl;
 357
 358         //
 359         // Determine user lyx-dir
 360         //
 361
 362         // Directories are searched in this order:
 363         // 1) -userdir command line parameter
 364         // 2) LYX_USERDIR_13x environment variable
 365         // 3) $HOME/.<name of binary>
 366
 367         // If we had a command line switch, user_lyxdir is already set
 368         bool explicit_userdir = true;
 369         if (user_lyxdir.empty()) {
 370
 371                 // LYX_USERDIR_13x environment variable
 372                 user_lyxdir = GetEnvPath("LYX_USERDIR_13x");
 373
 374                 // default behaviour
 375                 if (user_lyxdir.empty())
 376                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 377                                                         string(".") + PACKAGE);
 378                         explicit_userdir = false;
 379         }
 380
 381         lyxerr[Debug::INIT] << "User LyX directory: '"
 382                             <<  user_lyxdir << '\'' << endl;
 383
 384         // Check that user LyX directory is ok. We don't do that if
 385         // running in batch mode.
 386         if (gui) {
 387                 queryUserLyXDir(explicit_userdir);
 388         } else {
 389                 first_start = false;
 390         }
 391
 392         //
 393         // Shine up lyxrc defaults
 394         //
 395
 396         // Default template path: system_dir/templates
 397         if (lyxrc.template_path.empty()) {
 398                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 399         }
 400
 401         // Default lastfiles file: $HOME/.lyx/lastfiles
 402         if (lyxrc.lastfiles.empty()) {
 403                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 404         }
 405
 406         // Disable gui when either lyxrc or easyparse says so
 407         if (!gui)
 408                 lyxrc.use_gui = false;
 409
 410         //
 411         // Read configuration files
 412         //
 413
 414         readRcFile("lyxrc.defaults");
 415         system_lyxrc = lyxrc;
 416         system_formats = formats;
 417         system_converters = converters;
 418         system_lcolor = lcolor;
 419
 420         // If there is a preferences file we read that instead
 421         // of the old lyxrc file.
 422         if (!readRcFile("preferences"))
 423             readRcFile("lyxrc");
 424
 425         // Read encodings
 426         readEncodingsFile("encodings");
 427         // Read languages
 428         readLanguagesFile("languages");
 429
 430         // Load the layouts
 431         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 432         LyXSetStyle();
 433
 434         // Ensure that we have really read a bind file, so that LyX is
 435         // usable.
 436         lyxrc.readBindFileIfNeeded();
 437
 438         // Read menus
 439         readUIFile(lyxrc.ui_file);
 440
 441         // Bind the X dead keys to the corresponding LyX functions if
 442         // necessary.
 443         if (lyxrc.override_x_deadkeys)
 444                 deadKeyBindings(toplevel_keymap.get());
 445
 446         if (lyxerr.debugging(Debug::LYXRC)) {
 447                 lyxrc.print();
 448         }
 449
 450         // Create temp directory
 451         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 452         system_tempdir = os::getTmpDir();
 453         if (lyxerr.debugging(Debug::INIT)) {
 454                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 455         }
 456
 457         // load the lastfiles mini-database
 458         lyxerr[Debug::INIT] << "Reading lastfiles `"
 459                             << lyxrc.lastfiles << "'..." << endl;
 460         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 461                                       lyxrc.check_lastfiles,
 462                                       lyxrc.num_lastfiles));
 463 }
 464
 465
 466 // These are the default bindings known to LyX
 467 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 468 {
 469         kbmap->bind("Right", LFUN_RIGHT);
 470         kbmap->bind("Left", LFUN_LEFT);
 471         kbmap->bind("Up", LFUN_UP);
 472         kbmap->bind("Down", LFUN_DOWN);
 473
 474         kbmap->bind("Tab", LFUN_TAB);
 475         kbmap->bind("ISO_Left_Tab", LFUN_TAB); // jbl 2001-23-02
 476
 477         kbmap->bind("Home", LFUN_HOME);
 478         kbmap->bind("End", LFUN_END);
 479         kbmap->bind("Prior", LFUN_PRIOR);
 480         kbmap->bind("Next", LFUN_NEXT);
 481
 482         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 483         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 484
 485         kbmap->bind("Delete", LFUN_DELETE);
 486         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 487
 488         // sub- and superscript -MV
 489         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 490         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 491
 492         // kbmap->bindings to enable the use of the numeric keypad
 493         // e.g. Num Lock set
 494         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 495         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 496         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 497         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 498         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 499         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 500         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 501         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 502         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 503         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 504         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 505         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 506         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 507         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 508         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 509         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 510         kbmap->bind("KP_Right", LFUN_RIGHT);
 511         kbmap->bind("KP_Left", LFUN_LEFT);
 512         kbmap->bind("KP_Up", LFUN_UP);
 513         kbmap->bind("KP_Down", LFUN_DOWN);
 514         kbmap->bind("KP_Home", LFUN_HOME);
 515         kbmap->bind("KP_End", LFUN_END);
 516         kbmap->bind("KP_Prior", LFUN_PRIOR);
 517         kbmap->bind("KP_Next", LFUN_NEXT);
 518
 519         kbmap->bind("C-Tab", LFUN_TABINSERT);  // ale970515
 520         kbmap->bind("S-Tab", LFUN_SHIFT_TAB);  // jug20000522
 521         kbmap->bind("S-ISO_Left_Tab", LFUN_SHIFT_TAB); // jbl 2001-23-02
 522 }
 523
 524
 525 void LyX::emergencyCleanup()
 526 {
 527         // what to do about tmpfiles is non-obvious. we would
 528         // like to delete any we find, but our lyxdir might
 529         // contain documents etc. which might be helpful on
 530         // a crash
 531
 532         bufferlist.emergencyWriteAll();
 533         if (lyxserver)
 534                 lyxserver->emergencyCleanup();
 535 }
 536
 537
 538 // LyX can optionally take over the handling of deadkeys
 539 void LyX::deadKeyBindings(kb_keymap * kbmap)
 540 {
 541         // bindKeyings for transparent handling of deadkeys
 542         // The keysyms are gotten from XFree86 X11R6
 543         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 544         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 545         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 546         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 547         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 548         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 549         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 550         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 551         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 552         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 553         // nothing with this name
 554         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 555         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 556         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 557         // nothing with this name either...
 558         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 559         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 560         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 561         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 562 }
 563
 564
 565 // This one is not allowed to use anything on the main form, since that
 566 // one does not exist yet. (Asger)
 567 void LyX::queryUserLyXDir(bool explicit_userdir)
 568 {
 569         // Does user directory exist?
 570         FileInfo fileInfo(user_lyxdir);
 571         if (fileInfo.isOK() && fileInfo.isDir()) {
 572                 first_start = false;
 573                 return;
 574         } else {
 575                 first_start = !explicit_userdir;
 576         }
 577
 578         // If the user specified explicitely a directory, ask whether
 579         // to create it (otherwise, always create it)
 580         if (explicit_userdir &&
 581             !Alert::askQuestion(_("You have specified an invalid LyX directory."),
 582                          _("It is needed to keep your own configuration."),
 583                          _("Should I try to set it up for you (recommended)?"))) {
 584                 lyxerr << _("Running without personal LyX directory.") << endl;
 585                 // No, let's use $HOME instead.
 586                 user_lyxdir = GetEnvPath("HOME");
 587                 return;
 588         }
 589
 590         // Tell the user what is going on
 591         lyxerr << _("LyX: Creating directory ") << user_lyxdir
 592                << _(" and running configure...") << endl;
 593
 594         // Create directory structure
 595         if (!createDirectory(user_lyxdir, 0755)) {
 596                 // Failed, let's use $HOME instead.
 597                 user_lyxdir = GetEnvPath("HOME");
 598                 lyxerr << _("Failed. Will use ") << user_lyxdir
 599                        << _(" instead.") << endl;
 600                 return;
 601         }
 602
 603         // Run configure in user lyx directory
 604         Path p(user_lyxdir);
 605         ::system(AddName(system_lyxdir, "configure").c_str());
 606         lyxerr << "LyX: " << _("Done!") << endl;
 607 }
 608
 609
 610 // Read the rc file `name'
 611 bool LyX::readRcFile(string const & name)
 612 {
 613         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 614
 615         string const lyxrc_path = LibFileSearch(string(), name);
 616         if (!lyxrc_path.empty()) {
 617                 lyxerr[Debug::INIT] << "Found " << name
 618                                     << " in " << lyxrc_path << endl;
 619                 if (lyxrc.read(lyxrc_path) < 0) {
 620                         Alert::alert(_("LyX Warning!"),
 621                                    _("Error while reading ") + lyxrc_path + ".",
 622                                    _("Using built-in defaults."));
 623                         return false;
 624                 }
 625                 return true;
 626         } else {
 627                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 628         }
 629
 630         return false;
 631 }
 632
 633
 634 // Read the ui file `name'
 635 void LyX::readUIFile(string const & name)
 636 {
 637         enum Uitags {
 638                 ui_menuset = 1,
 639                 ui_toolbar,
 640                 ui_last
 641         };
 642
 643         struct keyword_item uitags[ui_last-1] = {
 644                 { "menuset", ui_menuset },
 645                 { "toolbar", ui_toolbar }
 646         };
 647
 648         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 649
 650         string const ui_path = LibFileSearch("ui", name, "ui");
 651
 652         if (ui_path.empty()) {
 653                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 654                 menubackend.defaults();
 655                 return;
 656         }
 657
 658         lyxerr[Debug::INIT] << "Found " << name
 659                             << " in " << ui_path << endl;
 660         LyXLex lex(uitags, ui_last - 1);
 661         lex.setFile(ui_path);
 662         if (!lex.isOK()) {
 663                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 664                        << endl;
 665         }
 666
 667         if (lyxerr.debugging(Debug::PARSER))
 668                 lex.printTable(lyxerr);
 669
 670         while (lex.isOK()) {
 671                 switch (lex.lex()) {
 672                 case ui_menuset:
 673                         menubackend.read(lex);
 674                         break;
 675
 676                 case ui_toolbar:
 677                         toolbardefaults.read(lex);
 678                         break;
 679
 680                 default:
 681                         if (!strip(lex.getString()).empty())
 682                                 lex.printError("LyX::ReadUIFile: "
 683                                                "Unknown menu tag: `$$Token'");
 684                         break;
 685                 }
 686         }
 687 }
 688
 689
 690 // Read the languages file `name'
 691 void LyX::readLanguagesFile(string const & name)
 692 {
 693         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 694
 695         string const lang_path = LibFileSearch(string(), name);
 696         if (lang_path.empty()) {
 697                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 698                 languages.setDefaults();
 699                 return;
 700         }
 701         languages.read(lang_path);
 702 }
 703
 704
 705 // Read the encodings file `name'
 706 void LyX::readEncodingsFile(string const & name)
 707 {
 708         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 709
 710         string const enc_path = LibFileSearch(string(), name);
 711         if (enc_path.empty()) {
 712                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 713                 return;
 714         }
 715         encodings.read(enc_path);
 716 }
 717
 718
 719 namespace {
 720
 721 // Set debugging level and report result to user
 722 void setDebuggingLevel(string const & dbgLevel)
 723 {
 724         lyxerr << _("Setting debug level to ") <<  dbgLevel << endl;
 725         lyxerr.level(Debug::value(dbgLevel));
 726         Debug::showLevel(lyxerr, lyxerr.level());
 727 }
 728
 729
 730 // Give command line help
 731 void commandLineHelp()
 732 {
 733         lyxerr <<
 734                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 735                   "Command line switches (case sensitive):\n"
 736                   "\t-help              summarize LyX usage\n"
 737                   "\t-userdir dir       try to set user directory to dir\n"
 738                   "\t-sysdir dir        try to set system directory to dir\n"
 739                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 740                   "\t-dbg feature[,feature]...\n"
 741                   "                  select the features to debug.\n"
 742                   "                  Type `lyx -dbg' to see the list of features\n"
 743                   "\t-x [--execute] command\n"
 744                   "                  where command is a lyx command.\n"
 745                   "\t-e [--export] fmt\n"
 746                   "                  where fmt is the export format of choice.\n"
 747                   "\t-i [--import] fmt file.xxx\n"
 748                   "                  where fmt is the import format of choice\n"
 749                   "                  and file.xxx is the file to be imported.\n"
 750                   "\t-version        summarize version and build info\n"
 751                   "Check the LyX man page for more details.") << endl;
 752 }
 753
 754 // Give command line version information
 755 void commandLineVersionInfo()
 756 {
 757         lyxerr << "LyX " << lyx_version
 758                << " of " << lyx_release_date << endl;
 759         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 760
 761         lyxerr << lyx_version_info << endl;
 762 }
 763
 764
 765 } // namespace anon
 766
 767
 768 bool LyX::easyParse(int & argc, char * argv[])
 769 {
 770         bool gui = true;
 771         int removeargs = 0; // used when options are read
 772         for (int i = 1; i < argc; ++i) {
 773                 string arg = argv[i];
 774
 775                 // Check for -dbg int
 776                 if (arg == "-dbg") {
 777                         if (i + 1 < argc) {
 778                                 setDebuggingLevel(argv[i + 1]);
 779                                 removeargs = 2;
 780                         } else {
 781                                 lyxerr << _("List of supported debug flags:")
 782                                        << endl;
 783                                 Debug::showTags(lyxerr);
 784                                 exit(1);
 785                         }
 786                 }
 787                 // Check for "-sysdir"
 788                 else if (arg == "-sysdir") {
 789                         if (i + 1 < argc) {
 790                                 system_lyxdir = argv[i + 1];
 791                                 removeargs = 2;
 792                         } else {
 793                                 lyxerr << _("Missing directory for -sysdir switch!")
 794                                        << endl;
 795                                 exit(1);
 796                         }
 797                 }
 798                 // Check for "-userdir"
 799                 else if (arg == "-userdir") {
 800                         if (i + 1 < argc) {
 801                                 user_lyxdir = argv[i + 1];
 802                                 removeargs = 2;
 803                         } else {
 804                                 lyxerr << _("Missing directory for -userdir switch!")
 805                                        << endl;
 806                                 exit(1);
 807                         }
 808                 }
 809                 // Check for --help or -help
 810                 else if (arg == "--help" || arg == "-help") {
 811                         commandLineHelp();
 812                         exit(0);
 813                 }
 814                 // Check for --version or -version
 815                 else if (arg == "--version" || arg == "-version") {
 816                         commandLineVersionInfo();
 817                         exit(0);
 818                 }
 819                 // FIXME: why is this commented out ?
 820                 // Check for "-nw": No XWindows as for emacs this should
 821                 // give a LyX that could be used in a terminal window.
 822                 //else if (arg == "-nw") {
 823                 //      gui = false;
 824                 //}
 825
 826                 // Check for "-x": Execute commands
 827                 else if (arg == "-x" || arg == "--execute") {
 828                         if (i + 1 < argc) {
 829                                 batch_command = string(argv[i + 1]);
 830                                 removeargs = 2;
 831                         }
 832                         else
 833                                 lyxerr << _("Missing command string after  -x switch!") << endl;
 834
 835                         // Argh. Setting gui to false segfaults..
 836                         // FIXME: when ? how ?
 837                         // gui = false;
 838                 }
 839
 840                 else if (arg == "-e" || arg == "--export") {
 841                         if (i + 1 < argc) {
 842                                 string type(argv[i+1]);
 843                                 removeargs = 2;
 844                                 batch_command = "buffer-export " + type;
 845                                 gui = false;
 846                         } else {
 847                                 lyxerr << _("Missing file type [eg latex, "
 848                                             "ps...] after ")
 849                                        << arg << _(" switch!") << endl;
 850                                 exit(1);
 851                         }
 852                 }
 853                 else if (arg == "-i" || arg == "--import") {
 854                         if (i + 1 < argc) {
 855                                 if (!argv[i+2]) {
 856                                         lyxerr << _("Missing filename for --import") << endl;
 857                                         exit(1);
 858                                 }
 859
 860                                 string const file(argv[i+2]);
 861                                 string const type(argv[i+1]);
 862                                 removeargs = 3;
 863
 864                                 batch_command = "buffer-import " + type + " " + file;
 865                                 lyxerr << "batch_command: "
 866                                        << batch_command << endl;
 867
 868                         } else {
 869                                 lyxerr << _("Missing type [eg latex, "
 870                                             "ps...] after ")
 871                                        << arg << _(" switch!") << endl;
 872                                 exit(1);
 873                         }
 874                 }
 875
 876                 if (removeargs > 0) {
 877                         // Now, remove used arguments by shifting
 878                         // the following ones removeargs places down.
 879                         argc -= removeargs;
 880                         for (int j = i; j < argc; ++j)
 881                                 argv[j] = argv[j + removeargs];
 882                         --i; // After shift, check this number again.
 883                         removeargs = 0;
 884                 }
 885
 886         }
 887
 888         return gui;
 889 }