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 "buffer.h"
  29 #include "lyxserver.h"
  30 #include "kbmap.h"
  31 #include "lyxfunc.h"
  32 #include "ToolbarDefaults.h"
  33 #include "MenuBackend.h"
  34 #include "language.h"
  35 #include "lastfiles.h"
  36 #include "encoding.h"
  37 #include "converter.h"
  38 #include "lyxtextclasslist.h"
  39
  40 #include "frontends/Alert.h"
  41 #include "frontends/lyx_gui.h"
  42
  43 #include <boost/function.hpp>
  44
  45 #include <cstdlib>
  46 #include <csignal>
  47
  48 using std::vector;
  49 using std::endl;
  50
  51 #ifndef CXX_GLOBAL_CSTD
  52 using std::exit;
  53 using std::signal;
  54 using std::system;
  55 #endif
  56
  57 extern void LoadLyXFile(string const &);
  58 extern void QuitLyX();
  59
  60 extern LyXServer * lyxserver;
  61
  62 string system_lyxdir;
  63 string build_lyxdir;
  64 string system_tempdir;
  65 string user_lyxdir;
  66
  67 DebugStream lyxerr;
  68
  69 boost::scoped_ptr<LastFiles> lastfiles;
  70
  71 // This is the global bufferlist object
  72 BufferList bufferlist;
  73
  74 // convenient to have it here.
  75 boost::scoped_ptr<kb_keymap> toplevel_keymap;
  76
  77
  78 LyX::LyX(int & argc, char * argv[])
  79 {
  80         // Here we need to parse the command line. At least
  81         // we need to parse for "-dbg" and "-help"
  82         bool const want_gui = easyParse(argc, argv);
  83
  84         // Global bindings (this must be done as early as possible.) (Lgb)
  85         toplevel_keymap.reset(new kb_keymap);
  86         defaultKeyBindings(toplevel_keymap.get());
  87
  88         if (want_gui) {
  89                 lyx_gui::parse_init(argc, argv);
  90         }
  91
  92         // check for any spurious extra arguments
  93         // other than documents
  94         for (int argi = 1; argi < argc ; ++argi) {
  95                 if (argv[argi][0] == '-') {
  96                         lyxerr << _("Wrong command line option `")
  97                                << argv[argi]
  98                                << _("'. Exiting.") << endl;
  99                         exit(1);
 100                 }
 101         }
 102
 103         // Initialization of LyX (reads lyxrc and more)
 104         lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
 105         init(want_gui);
 106         lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
 107
 108         if (want_gui) {
 109                 lyx_gui::parse_lyxrc();
 110         }
 111
 112         vector<string> files;
 113
 114         for (int argi = argc - 1; argi >= 1; --argi) {
 115                 files.push_back(argv[argi]);
 116         }
 117
 118         if (first_start) {
 119                 files.push_back(i18nLibFileSearch("examples", "splash.lyx"));
 120         }
 121
 122         // Execute batch commands if available
 123         if (!batch_command.empty()) {
 124                 lyxerr[Debug::INIT] << "About to handle -x '"
 125                        << batch_command << "'" << endl;
 126
 127                 Buffer * last_loaded = 0;
 128
 129                 vector<string>::iterator it = files.begin();
 130                 vector<string>::iterator end = files.end();
 131                 for (; it != end; ++it) {
 132                         last_loaded = bufferlist.loadLyXFile(*it);
 133                 }
 134
 135                 files.clear();
 136
 137                 // no buffer loaded, create one
 138                 if (!last_loaded)
 139                         last_loaded = bufferlist.newFile("tmpfile", string());
 140
 141                 bool success = false;
 142
 143                 // try to dispatch to last loaded buffer first
 144                 bool const dispatched = last_loaded->dispatch(batch_command, &success);
 145
 146                 if (dispatched) {
 147                         QuitLyX();
 148                         exit(!success);
 149                 }
 150         }
 151
 152         lyx_gui::start(batch_command, files);
 153 }
 154
 155
 156 extern "C" {
 157
 158 static void error_handler(int err_sig)
 159 {
 160         switch (err_sig) {
 161         case SIGHUP:
 162                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 163                 break;
 164         case SIGINT:
 165                 // no comments
 166                 break;
 167         case SIGFPE:
 168                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 169                 break;
 170         case SIGSEGV:
 171                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 172                 lyxerr <<
 173                         "Sorry, you have found a bug in LyX. "
 174                         "Please read the bug-reporting instructions "
 175                         "in Help->Introduction and send us a bug report, "
 176                         "if necessary. Thanks !" << endl;
 177                 break;
 178         case SIGTERM:
 179                 // no comments
 180                 break;
 181         }
 182
 183         // Deinstall the signal handlers
 184         signal(SIGHUP, SIG_DFL);
 185         signal(SIGINT, SIG_DFL);
 186         signal(SIGFPE, SIG_DFL);
 187         signal(SIGSEGV, SIG_DFL);
 188         signal(SIGTERM, SIG_DFL);
 189
 190         LyX::emergencyCleanup();
 191
 192         lyxerr << "Bye." << endl;
 193         if (err_sig!= SIGHUP &&
 194            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 195                 lyx::abort();
 196         exit(0);
 197 }
 198
 199 }
 200
 201
 202 void LyX::init(bool gui)
 203 {
 204         signal(SIGHUP, error_handler);
 205         signal(SIGFPE, error_handler);
 206         signal(SIGSEGV, error_handler);
 207         signal(SIGINT, error_handler);
 208         signal(SIGTERM, error_handler);
 209
 210         //
 211         // Determine path of binary
 212         //
 213
 214         string binpath = os::binpath();
 215         string binname = os::binname();
 216         string fullbinname = MakeAbsPath(binname, binpath);
 217
 218         if (binpath.empty()) {
 219                 lyxerr << _("Warning: could not determine path of binary.")
 220                        << "\n"
 221                        << _("If you have problems, try starting LyX with an absolute path.")
 222                        << endl;
 223         }
 224         lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
 225         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 226
 227         //
 228         // Determine system directory.
 229         //
 230
 231         // Directories are searched in this order:
 232         // 1) -sysdir command line parameter
 233         // 2) LYX_DIR_13x environment variable
 234         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 235         // 4) <path of binary>/../share/<name of binary>/
 236         // 4a) repeat 4 after following the Symlink if <path of
 237         //     binary> is a symbolic link.
 238         // 5) hardcoded lyx_dir
 239         // The directory is checked for the presence of the file
 240         // "chkconfig.ltx", and if that is present, the directory
 241         // is accepted as the system directory.
 242         // If no chkconfig.ltx file is found, a warning is given,
 243         // and the hardcoded lyx_dir is used.
 244
 245         // If we had a command line switch, system_lyxdir is already set
 246         string searchpath;
 247         if (!system_lyxdir.empty())
 248                 searchpath = MakeAbsPath(system_lyxdir) + ';';
 249
 250         string const lyxdir = GetEnvPath("LYX_DIR_13x");
 251
 252         if (!lyxdir.empty()) {
 253                 lyxerr[Debug::INIT] << "LYX_DIR_13x: " << lyxdir << endl;
 254                 searchpath += lyxdir + ';';
 255         }
 256
 257         string fullbinpath = binpath;
 258         FileInfo file(fullbinname, true);
 259         if (file.isLink()) {
 260                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 261                 string link;
 262                 if (LyXReadLink(fullbinname, link, true)) {
 263                         // Path of binary/../share/name of binary/
 264                         searchpath += NormalizePath(AddPath(binpath,
 265                                                             "../share/")
 266                                                     + OnlyFilename(binname));
 267                         searchpath += ';';
 268                         fullbinpath = link;
 269                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 270                 }
 271         }
 272
 273         bool followlink;
 274         do {
 275                 // Path of binary/../share/name of binary/
 276                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 277                       OnlyFilename(binname)) + ';';
 278
 279                 // Follow Symlinks
 280                 FileInfo file(fullbinpath, true);
 281                 followlink = file.isLink();
 282                 if (followlink) {
 283                         lyxerr << " directory " << fullbinpath
 284                                << " is a link" << endl;
 285                         string link;
 286                         if (LyXReadLink(fullbinpath, link, true)) {
 287                                 fullbinpath = link;
 288                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 289                         }
 290                         else {
 291                                 followlink = false;
 292                         }
 293                 }
 294         } while (followlink);
 295
 296         // <path of binary>/TOP_SRCDIR/lib
 297         build_lyxdir = MakeAbsPath("../lib", binpath);
 298         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 299                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 300                                           binpath) + ';';
 301                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 302                         "place... yes" << endl;
 303         } else {
 304                 lyxerr[Debug::INIT]
 305                         << "Checking whether LyX is run in place... no"
 306                         << endl;
 307                 build_lyxdir.erase();
 308         }
 309
 310         // Hardcoded dir
 311         searchpath += LYX_DIR;
 312
 313         lyxerr[Debug::INIT] << "System directory search path: "
 314                             << searchpath << endl;
 315
 316         string const filename = "chkconfig.ltx";
 317         string const temp = FileOpenSearch(searchpath, filename, string());
 318         system_lyxdir = OnlyPath(temp);
 319
 320         // Reduce "path/../path" stuff out of system directory
 321         system_lyxdir = NormalizePath(system_lyxdir);
 322
 323         bool path_shown = false;
 324
 325         // Warn if environment variable is set, but unusable
 326         if (!lyxdir.empty()) {
 327                 if (system_lyxdir != NormalizePath(lyxdir)) {
 328                         lyxerr <<_("LYX_DIR_13x environment variable no good.")
 329                                << '\n'
 330                                << _("System directory set to: ")
 331                                << system_lyxdir << endl;
 332                         path_shown = true;
 333                 }
 334         }
 335
 336         // Warn the user if we couldn't find "chkconfig.ltx"
 337         if (system_lyxdir == "./") {
 338                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 339                        <<_("Try the '-sysdir' command line parameter or ")
 340                        <<_("set the environment variable LYX_DIR_13x to the "
 341                            "LyX system directory ")
 342                        << _("containing the file `chkconfig.ltx'.") << endl;
 343                 if (!path_shown) {
 344                         FileInfo fi(LYX_DIR);
 345                         if (!fi.exist()) {
 346                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 347                                         << "Giving up." << endl;
 348                                 exit(1);
 349                         }
 350                         lyxerr << _("Using built-in default ")
 351                                << LYX_DIR << _(" but expect problems.")
 352                                << endl;
 353                 } else {
 354                         lyxerr << _("Expect problems.") << endl;
 355                 }
 356                 system_lyxdir = LYX_DIR;
 357                 path_shown = true;
 358         }
 359
 360         if (!path_shown)
 361                 lyxerr[Debug::INIT] << "System directory: '"
 362                                     << system_lyxdir << '\'' << endl;
 363
 364         //
 365         // Determine user lyx-dir
 366         //
 367
 368         // Directories are searched in this order:
 369         // 1) -userdir command line parameter
 370         // 2) LYX_USERDIR_13x environment variable
 371         // 3) $HOME/.<name of binary>
 372
 373         // If we had a command line switch, user_lyxdir is already set
 374         bool explicit_userdir = true;
 375         if (user_lyxdir.empty()) {
 376
 377                 // LYX_USERDIR_13x environment variable
 378                 user_lyxdir = GetEnvPath("LYX_USERDIR_13x");
 379
 380                 // default behaviour
 381                 if (user_lyxdir.empty())
 382                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 383                                                         string(".") + PACKAGE);
 384                         explicit_userdir = false;
 385         }
 386
 387         lyxerr[Debug::INIT] << "User LyX directory: '"
 388                             <<  user_lyxdir << '\'' << endl;
 389
 390         // Check that user LyX directory is ok. We don't do that if
 391         // running in batch mode.
 392         if (gui) {
 393                 queryUserLyXDir(explicit_userdir);
 394         } else {
 395                 first_start = false;
 396         }
 397
 398         //
 399         // Shine up lyxrc defaults
 400         //
 401
 402         // Default template path: system_dir/templates
 403         if (lyxrc.template_path.empty()) {
 404                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 405         }
 406
 407         // Default lastfiles file: $HOME/.lyx/lastfiles
 408         if (lyxrc.lastfiles.empty()) {
 409                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 410         }
 411
 412         // Disable gui when either lyxrc or easyparse says so
 413         if (!gui)
 414                 lyxrc.use_gui = false;
 415
 416         //
 417         // Read configuration files
 418         //
 419
 420         readRcFile("lyxrc.defaults");
 421         system_lyxrc = lyxrc;
 422         system_formats = formats;
 423         system_converters = converters;
 424         system_lcolor = lcolor;
 425
 426         // If there is a preferences file we read that instead
 427         // of the old lyxrc file.
 428         if (!readRcFile("preferences"))
 429             readRcFile("lyxrc");
 430
 431         readEncodingsFile("encodings");
 432         readLanguagesFile("languages");
 433
 434         // Load the layouts
 435         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 436         LyXSetStyle();
 437
 438         // Ensure that we have really read a bind file, so that LyX is
 439         // usable.
 440         lyxrc.readBindFileIfNeeded();
 441
 442         // Read menus
 443         readUIFile(lyxrc.ui_file);
 444
 445         // Bind the X dead keys to the corresponding LyX functions if
 446         // necessary.
 447         if (lyxrc.override_x_deadkeys)
 448                 deadKeyBindings(toplevel_keymap.get());
 449
 450         if (lyxerr.debugging(Debug::LYXRC)) {
 451                 lyxrc.print();
 452         }
 453
 454         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 455         system_tempdir = os::getTmpDir();
 456         if (lyxerr.debugging(Debug::INIT)) {
 457                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 458         }
 459
 460         lyxerr[Debug::INIT] << "Reading lastfiles `"
 461                             << lyxrc.lastfiles << "'..." << endl;
 462         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 463                                       lyxrc.check_lastfiles,
 464                                       lyxrc.num_lastfiles));
 465 }
 466
 467
 468 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 469 {
 470         kbmap->bind("Right", LFUN_RIGHT);
 471         kbmap->bind("Left", LFUN_LEFT);
 472         kbmap->bind("Up", LFUN_UP);
 473         kbmap->bind("Down", LFUN_DOWN);
 474
 475         kbmap->bind("Tab", LFUN_TAB);
 476         kbmap->bind("ISO_Left_Tab", LFUN_TAB); // jbl 2001-23-02
 477
 478         kbmap->bind("Home", LFUN_HOME);
 479         kbmap->bind("End", LFUN_END);
 480         kbmap->bind("Prior", LFUN_PRIOR);
 481         kbmap->bind("Next", LFUN_NEXT);
 482
 483         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 484         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 485
 486         kbmap->bind("Delete", LFUN_DELETE);
 487         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 488
 489         // sub- and superscript -MV
 490         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 491         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 492
 493         // kbmap->bindings to enable the use of the numeric keypad
 494         // e.g. Num Lock set
 495         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 496         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 497         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 498         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 499         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 500         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 501         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 502         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 503         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 504         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 505         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 506         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 507         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 508         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 509         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 510         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 511         kbmap->bind("KP_Right", LFUN_RIGHT);
 512         kbmap->bind("KP_Left", LFUN_LEFT);
 513         kbmap->bind("KP_Up", LFUN_UP);
 514         kbmap->bind("KP_Down", LFUN_DOWN);
 515         kbmap->bind("KP_Home", LFUN_HOME);
 516         kbmap->bind("KP_End", LFUN_END);
 517         kbmap->bind("KP_Prior", LFUN_PRIOR);
 518         kbmap->bind("KP_Next", LFUN_NEXT);
 519
 520         kbmap->bind("C-Tab", LFUN_TABINSERT);  // ale970515
 521         kbmap->bind("S-Tab", LFUN_SHIFT_TAB);  // jug20000522
 522         kbmap->bind("S-ISO_Left_Tab", LFUN_SHIFT_TAB); // jbl 2001-23-02
 523 }
 524
 525
 526 void LyX::emergencyCleanup()
 527 {
 528         // what to do about tmpfiles is non-obvious. we would
 529         // like to delete any we find, but our lyxdir might
 530         // contain documents etc. which might be helpful on
 531         // a crash
 532
 533         bufferlist.emergencyWriteAll();
 534         if (lyxserver)
 535                 lyxserver->emergencyCleanup();
 536 }
 537
 538
 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 void LyX::queryUserLyXDir(bool explicit_userdir)
 566 {
 567         // Does user directory exist?
 568         FileInfo fileInfo(user_lyxdir);
 569         if (fileInfo.isOK() && fileInfo.isDir()) {
 570                 first_start = false;
 571                 return;
 572         }
 573
 574         first_start = !explicit_userdir;
 575
 576         // If the user specified explicitly a directory, ask whether
 577         // to create it (otherwise, always create it)
 578         if (explicit_userdir &&
 579             !Alert::askQuestion(_("You have specified an invalid LyX directory."),
 580                          _("It is needed to keep your own configuration."),
 581                          _("Should I try to set it up for you (recommended)?"))) {
 582                 lyxerr << _("Running without personal LyX directory.") << endl;
 583                 // No, let's use $HOME instead.
 584                 user_lyxdir = GetEnvPath("HOME");
 585                 return;
 586         }
 587
 588         lyxerr << _("LyX: Creating directory ") << user_lyxdir
 589                << _(" and running configure...") << endl;
 590
 591         if (!createDirectory(user_lyxdir, 0755)) {
 592                 // Failed, let's use $HOME instead.
 593                 user_lyxdir = GetEnvPath("HOME");
 594                 lyxerr << _("Failed. Will use ") << user_lyxdir
 595                        << _(" instead.") << endl;
 596                 return;
 597         }
 598
 599         // Run configure in user lyx directory
 600         Path p(user_lyxdir);
 601         ::system(AddName(system_lyxdir, "configure").c_str());
 602         lyxerr << "LyX: " << _("Done!") << endl;
 603 }
 604
 605
 606 bool LyX::readRcFile(string const & name)
 607 {
 608         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 609
 610         string const lyxrc_path = LibFileSearch(string(), name);
 611         if (!lyxrc_path.empty()) {
 612                 lyxerr[Debug::INIT] << "Found " << name
 613                                     << " in " << lyxrc_path << endl;
 614                 if (lyxrc.read(lyxrc_path) < 0) {
 615                         Alert::alert(_("LyX Warning!"),
 616                                    _("Error while reading ") + lyxrc_path + ".",
 617                                    _("Using built-in defaults."));
 618                         return false;
 619                 }
 620                 return true;
 621         } else {
 622                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 623         }
 624
 625         return false;
 626 }
 627
 628
 629 // Read the ui file `name'
 630 void LyX::readUIFile(string const & name)
 631 {
 632         enum Uitags {
 633                 ui_menuset = 1,
 634                 ui_toolbar,
 635                 ui_last
 636         };
 637
 638         struct keyword_item uitags[ui_last - 1] = {
 639                 { "menuset", ui_menuset },
 640                 { "toolbar", ui_toolbar }
 641         };
 642
 643         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 644
 645         string const ui_path = LibFileSearch("ui", name, "ui");
 646
 647         if (ui_path.empty()) {
 648                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 649                 menubackend.defaults();
 650                 return;
 651         }
 652
 653         lyxerr[Debug::INIT] << "Found " << name
 654                             << " in " << ui_path << endl;
 655         LyXLex lex(uitags, ui_last - 1);
 656         lex.setFile(ui_path);
 657         if (!lex.isOK()) {
 658                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 659                        << endl;
 660         }
 661
 662         if (lyxerr.debugging(Debug::PARSER))
 663                 lex.printTable(lyxerr);
 664
 665         while (lex.isOK()) {
 666                 switch (lex.lex()) {
 667                 case ui_menuset:
 668                         menubackend.read(lex);
 669                         break;
 670
 671                 case ui_toolbar:
 672                         toolbardefaults.read(lex);
 673                         break;
 674
 675                 default:
 676                         if (!rtrim(lex.getString()).empty())
 677                                 lex.printError("LyX::ReadUIFile: "
 678                                                "Unknown menu tag: `$$Token'");
 679                         break;
 680                 }
 681         }
 682 }
 683
 684
 685 // Read the languages file `name'
 686 void LyX::readLanguagesFile(string const & name)
 687 {
 688         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 689
 690         string const lang_path = LibFileSearch(string(), name);
 691         if (lang_path.empty()) {
 692                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 693                 languages.setDefaults();
 694                 return;
 695         }
 696         languages.read(lang_path);
 697 }
 698
 699
 700 // Read the encodings file `name'
 701 void LyX::readEncodingsFile(string const & name)
 702 {
 703         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 704
 705         string const enc_path = LibFileSearch(string(), name);
 706         if (enc_path.empty()) {
 707                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 708                 return;
 709         }
 710         encodings.read(enc_path);
 711 }
 712
 713
 714 namespace {
 715
 716 bool is_gui = true;
 717 string batch;
 718
 719 /// return the the number of arguments consumed
 720 typedef boost::function<int, string const &, string const &> cmd_helper;
 721
 722 int parse_dbg(string const & arg, string const &)
 723 {
 724         if (arg.empty()) {
 725                 lyxerr << _("List of supported debug flags:") << endl;
 726                 Debug::showTags(lyxerr);
 727                 exit(0);
 728         }
 729         lyxerr << _("Setting debug level to ") << arg << endl;
 730         lyxerr.level(Debug::value(arg));
 731         Debug::showLevel(lyxerr, lyxerr.level());
 732         return 1;
 733 }
 734
 735 int parse_help(string const &, string const &)
 736 {
 737         lyxerr <<
 738                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 739                   "Command line switches (case sensitive):\n"
 740                   "\t-help              summarize LyX usage\n"
 741                   "\t-userdir dir       try to set user directory to dir\n"
 742                   "\t-sysdir dir        try to set system directory to dir\n"
 743                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 744                   "\t-dbg feature[,feature]...\n"
 745                   "                  select the features to debug.\n"
 746                   "                  Type `lyx -dbg' to see the list of features\n"
 747                   "\t-x [--execute] command\n"
 748                   "                  where command is a lyx command.\n"
 749                   "\t-e [--export] fmt\n"
 750                   "                  where fmt is the export format of choice.\n"
 751                   "\t-i [--import] fmt file.xxx\n"
 752                   "                  where fmt is the import format of choice\n"
 753                   "                  and file.xxx is the file to be imported.\n"
 754                   "\t-version        summarize version and build info\n"
 755                   "Check the LyX man page for more details.") << endl;
 756         exit(0);
 757         return 0;
 758 }
 759
 760 int parse_version(string const &, string const &)
 761 {
 762         lyxerr << "LyX " << lyx_version
 763                << " of " << lyx_release_date << endl;
 764         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 765
 766         lyxerr << lyx_version_info << endl;
 767         exit(0);
 768         return 0;
 769 }
 770
 771 int parse_sysdir(string const & arg, string const &)
 772 {
 773         if (arg.empty()) {
 774                 lyxerr << _("Missing directory for -sysdir switch") << endl;
 775                 exit(1);
 776         }
 777         system_lyxdir = arg;
 778         return 1;
 779 }
 780
 781 int parse_userdir(string const & arg, string const &)
 782 {
 783         if (arg.empty()) {
 784                 lyxerr << _("Missing directory for -userdir switch") << endl;
 785                 exit(1);
 786         }
 787         user_lyxdir = arg;
 788         return 1;
 789 }
 790
 791 int parse_execute(string const & arg, string const &)
 792 {
 793         if (arg.empty()) {
 794                 lyxerr << _("Missing command string after --execute switch") << endl;
 795                 exit(1);
 796         }
 797         batch = arg;
 798         // Argh. Setting gui to false segfaults..
 799         // FIXME: when ? how ?
 800         // is_gui = false;
 801         return 1;
 802 }
 803
 804 int parse_export(string const & type, string const &)
 805 {
 806         if (type.empty()) {
 807                 lyxerr << _("Missing file type [eg latex, ps...] after "
 808                         "--export switch") << endl;
 809                 exit(1);
 810         }
 811         batch = "buffer-export " + type;
 812         is_gui = false;
 813         return 1;
 814 }
 815
 816 int parse_import(string const & type, string const & file)
 817 {
 818         if (type.empty()) {
 819                 lyxerr << _("Missing file type [eg latex, ps...] after "
 820                         "--import switch") << endl;
 821                 exit(1);
 822         }
 823         if (file.empty()) {
 824                 lyxerr << _("Missing filename for --import") << endl;
 825                 exit(1);
 826         }
 827
 828         batch = "buffer-import " + type + " " + file;
 829         return 2;
 830 }
 831
 832 } // namespace anon
 833
 834
 835 bool LyX::easyParse(int & argc, char * argv[])
 836 {
 837         std::map<string, cmd_helper> cmdmap;
 838
 839         cmdmap["-dbg"] = parse_dbg;
 840         cmdmap["-help"] = parse_help;
 841         cmdmap["--help"] = parse_help;
 842         cmdmap["-version"] = parse_version;
 843         cmdmap["--version"] = parse_version;
 844         cmdmap["-sysdir"] = parse_sysdir;
 845         cmdmap["-userdir"] = parse_userdir;
 846         cmdmap["-x"] = parse_execute;
 847         cmdmap["--execute"] = parse_execute;
 848         cmdmap["-e"] = parse_export;
 849         cmdmap["--export"] = parse_export;
 850         cmdmap["-i"] = parse_import;
 851         cmdmap["--import"] = parse_import;
 852
 853         for (int i = 1; i < argc; ++i) {
 854                 std::map<string, cmd_helper>::const_iterator it
 855                         = cmdmap.find(argv[i]);
 856
 857                 // don't complain if not found - may be parsed later
 858                 if (it == cmdmap.end())
 859                         continue;
 860
 861                 string arg((i + 1 < argc) ? argv[i + 1] : "");
 862                 string arg2((i + 2 < argc) ? argv[i + 2] : "");
 863
 864                 int const remove = 1 + it->second(arg, arg2);
 865
 866                 // Now, remove used arguments by shifting
 867                 // the following ones remove places down.
 868                 argc -= remove;
 869                 for (int j = i; j < argc; ++j)
 870                         argv[j] = argv[j + remove];
 871                 --i;
 872         }
 873
 874         batch_command = batch;
 875
 876         return is_gui;
 877 }