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 #include "lyx_main.h"
  13
  14 #include "support/filetools.h"
  15 #include "support/lyxlib.h"
  16 #include "support/os.h"
  17 #include "support/FileInfo.h"
  18 #include "support/path.h"
  19 #include "debug.h"
  20 #include "gettext.h"
  21 #include "lyxlex.h"
  22
  23 #include "graphics/GraphicsTypes.h"
  24
  25 #include "bufferlist.h"
  26 #include "buffer.h"
  27 #include "lyxserver.h"
  28 #include "kbmap.h"
  29 #include "lyxfunc.h"
  30 #include "ToolbarDefaults.h"
  31 #include "MenuBackend.h"
  32 #include "language.h"
  33 #include "lastfiles.h"
  34 #include "encoding.h"
  35 #include "converter.h"
  36 #include "lyxtextclasslist.h"
  37
  38 #include "frontends/Alert.h"
  39 #include "frontends/lyx_gui.h"
  40
  41 #include "BoostFormat.h"
  42 #include <boost/function.hpp>
  43
  44 #include <cstdlib>
  45 #include <csignal>
  46
  47 using std::vector;
  48 using std::endl;
  49
  50 #ifndef CXX_GLOBAL_CSTD
  51 using std::exit;
  52 using std::signal;
  53 using std::system;
  54 #endif
  55
  56 extern void LoadLyXFile(string const &);
  57 extern void QuitLyX();
  58
  59 extern LyXServer * lyxserver;
  60
  61 string system_lyxdir;
  62 string build_lyxdir;
  63 string system_tempdir;
  64 string user_lyxdir;
  65
  66 DebugStream lyxerr;
  67
  68 boost::scoped_ptr<LastFiles> lastfiles;
  69
  70 // This is the global bufferlist object
  71 BufferList bufferlist;
  72
  73 // convenient to have it here.
  74 boost::scoped_ptr<kb_keymap> toplevel_keymap;
  75
  76
  77 LyX::LyX(int & argc, char * argv[])
  78 {
  79         // Here we need to parse the command line. At least
  80         // we need to parse for "-dbg" and "-help"
  81         bool const want_gui = easyParse(argc, argv);
  82
  83         // Global bindings (this must be done as early as possible.) (Lgb)
  84         toplevel_keymap.reset(new kb_keymap);
  85         defaultKeyBindings(toplevel_keymap.get());
  86
  87         // set the DisplayTranslator only once; should that be done here??
  88         // if this should not be in this file, please also remove
  89         // #include "graphics/GraphicsTypes.h" at the top -- Rob Lahaye.
  90         grfx::setDisplayTranslator();
  91
  92         if (want_gui) {
  93                 lyx_gui::parse_init(argc, argv);
  94         }
  95
  96         // check for any spurious extra arguments
  97         // other than documents
  98         for (int argi = 1; argi < argc ; ++argi) {
  99                 if (argv[argi][0] == '-') {
 100 #if USE_BOOST_FORMAT
 101                         lyxerr << boost::format(_("Wrong command line option `%1$s'. Exiting."))
 102                                 % argv[argi]
 103                                << endl;
 104 #else
 105                         lyxerr << _("Wrong command line option `")
 106                                << argv[argi] << _("'. Exiting.")
 107                                << endl;
 108 #endif
 109                         exit(1);
 110                 }
 111         }
 112
 113         // Initialization of LyX (reads lyxrc and more)
 114         lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
 115         init(want_gui);
 116         lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
 117
 118         if (want_gui) {
 119                 lyx_gui::parse_lyxrc();
 120         }
 121
 122         vector<string> files;
 123
 124         for (int argi = argc - 1; argi >= 1; --argi) {
 125                 files.push_back(argv[argi]);
 126         }
 127
 128         if (first_start) {
 129                 files.push_back(i18nLibFileSearch("examples", "splash.lyx"));
 130         }
 131
 132         // Execute batch commands if available
 133         if (!batch_command.empty()) {
 134                 lyxerr[Debug::INIT] << "About to handle -x '"
 135                        << batch_command << '\'' << endl;
 136
 137                 Buffer * last_loaded = 0;
 138
 139                 vector<string>::iterator it = files.begin();
 140                 vector<string>::iterator end = files.end();
 141                 for (; it != end; ++it) {
 142                         last_loaded = bufferlist.loadLyXFile(*it);
 143                 }
 144
 145                 files.clear();
 146
 147                 // no buffer loaded, create one
 148                 if (!last_loaded)
 149                         last_loaded = bufferlist.newFile("tmpfile", string());
 150
 151                 bool success = false;
 152
 153                 // try to dispatch to last loaded buffer first
 154                 bool const dispatched = last_loaded->dispatch(batch_command, &success);
 155
 156                 if (dispatched) {
 157                         QuitLyX();
 158                         exit(!success);
 159                 }
 160         }
 161
 162         lyx_gui::start(batch_command, files);
 163 }
 164
 165
 166 extern "C" {
 167
 168 static void error_handler(int err_sig)
 169 {
 170         switch (err_sig) {
 171         case SIGHUP:
 172                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 173                 break;
 174         case SIGINT:
 175                 // no comments
 176                 break;
 177         case SIGFPE:
 178                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 179                 break;
 180         case SIGSEGV:
 181                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 182                 lyxerr <<
 183                         "Sorry, you have found a bug in LyX. "
 184                         "Please read the bug-reporting instructions "
 185                         "in Help->Introduction and send us a bug report, "
 186                         "if necessary. Thanks !" << endl;
 187                 break;
 188         case SIGTERM:
 189                 // no comments
 190                 break;
 191         }
 192
 193         // Deinstall the signal handlers
 194         signal(SIGHUP, SIG_DFL);
 195         signal(SIGINT, SIG_DFL);
 196         signal(SIGFPE, SIG_DFL);
 197         signal(SIGSEGV, SIG_DFL);
 198         signal(SIGTERM, SIG_DFL);
 199
 200         LyX::emergencyCleanup();
 201
 202         lyxerr << "Bye." << endl;
 203         if (err_sig!= SIGHUP &&
 204            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 205                 lyx::abort();
 206         exit(0);
 207 }
 208
 209 }
 210
 211
 212 void LyX::init(bool gui)
 213 {
 214         signal(SIGHUP, error_handler);
 215         signal(SIGFPE, error_handler);
 216         signal(SIGSEGV, error_handler);
 217         signal(SIGINT, error_handler);
 218         signal(SIGTERM, error_handler);
 219
 220         //
 221         // Determine path of binary
 222         //
 223
 224         string binpath = os::binpath();
 225         string binname = os::binname();
 226         string fullbinname = MakeAbsPath(binname, binpath);
 227
 228         if (binpath.empty()) {
 229                 lyxerr << _("Warning: could not determine path of binary.")
 230                        << "\n"
 231                        << _("If you have problems, try starting LyX with an absolute path.")
 232                        << endl;
 233         }
 234         lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
 235         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 236
 237         //
 238         // Determine system directory.
 239         //
 240
 241         // Directories are searched in this order:
 242         // 1) -sysdir command line parameter
 243         // 2) LYX_DIR_13x environment variable
 244         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 245         // 4) <path of binary>/../share/<name of binary>/
 246         // 4a) repeat 4 after following the Symlink if <path of
 247         //     binary> is a symbolic link.
 248         // 5) hardcoded lyx_dir
 249         // The directory is checked for the presence of the file
 250         // "chkconfig.ltx", and if that is present, the directory
 251         // is accepted as the system directory.
 252         // If no chkconfig.ltx file is found, a warning is given,
 253         // and the hardcoded lyx_dir is used.
 254
 255         // If we had a command line switch, system_lyxdir is already set
 256         string searchpath;
 257         if (!system_lyxdir.empty())
 258                 searchpath = MakeAbsPath(system_lyxdir) + ';';
 259
 260         string const lyxdir = GetEnvPath("LYX_DIR_13x");
 261
 262         if (!lyxdir.empty()) {
 263                 lyxerr[Debug::INIT] << "LYX_DIR_13x: " << lyxdir << endl;
 264                 searchpath += lyxdir + ';';
 265         }
 266
 267         string fullbinpath = binpath;
 268         FileInfo file(fullbinname, true);
 269         if (file.isLink()) {
 270                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 271                 string link;
 272                 if (LyXReadLink(fullbinname, link, true)) {
 273                         // Path of binary/../share/name of binary/
 274                         searchpath += NormalizePath(AddPath(binpath,
 275                                                             "../share/")
 276                                                     + OnlyFilename(binname));
 277                         searchpath += ';';
 278                         fullbinpath = link;
 279                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 280                 }
 281         }
 282
 283         bool followlink;
 284         do {
 285                 // Path of binary/../share/name of binary/
 286                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 287                       OnlyFilename(binname)) + ';';
 288
 289                 // Follow Symlinks
 290                 FileInfo file(fullbinpath, true);
 291                 followlink = file.isLink();
 292                 if (followlink) {
 293                         lyxerr[Debug::INIT] << " directory " << fullbinpath
 294                                             << " is a link" << endl;
 295                         string link;
 296                         if (LyXReadLink(fullbinpath, link, true)) {
 297                                 fullbinpath = link;
 298                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 299                         }
 300                         else {
 301                                 followlink = false;
 302                         }
 303                 }
 304         } while (followlink);
 305
 306         // <path of binary>/TOP_SRCDIR/lib
 307         build_lyxdir = MakeAbsPath("../lib", binpath);
 308         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 309                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 310                                           binpath) + ';';
 311                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 312                         "place... yes" << endl;
 313         } else {
 314                 lyxerr[Debug::INIT]
 315                         << "Checking whether LyX is run in place... no"
 316                         << endl;
 317                 build_lyxdir.erase();
 318         }
 319
 320         // Hardcoded dir
 321         searchpath += LYX_DIR;
 322
 323         lyxerr[Debug::INIT] << "System directory search path: "
 324                             << searchpath << endl;
 325
 326         string const filename = "chkconfig.ltx";
 327         string const temp = FileOpenSearch(searchpath, filename, string());
 328         system_lyxdir = OnlyPath(temp);
 329
 330         // Reduce "path/../path" stuff out of system directory
 331         system_lyxdir = NormalizePath(system_lyxdir);
 332
 333         bool path_shown = false;
 334
 335         // Warn if environment variable is set, but unusable
 336         if (!lyxdir.empty()) {
 337                 if (system_lyxdir != NormalizePath(lyxdir)) {
 338                         lyxerr <<_("LYX_DIR_13x environment variable no good.")
 339                                << '\n'
 340                                << _("System directory set to: ")
 341                                << system_lyxdir << endl;
 342                         path_shown = true;
 343                 }
 344         }
 345
 346         // Warn the user if we couldn't find "chkconfig.ltx"
 347         if (system_lyxdir == "./") {
 348                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 349                        <<_("Try the '-sysdir' command line parameter or ")
 350                        <<_("set the environment variable LYX_DIR_13x to the "
 351                            "LyX system directory ")
 352                        << _("containing the file `chkconfig.ltx'.") << endl;
 353                 if (!path_shown) {
 354                         FileInfo fi(LYX_DIR);
 355                         if (!fi.exist()) {
 356                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 357                                         << "Giving up." << endl;
 358                                 exit(1);
 359                         }
 360 #if USE_BOOST_FORMAT
 361                         lyxerr << boost::format(_("Using built-in default %1$s"
 362                                                   " but expect problems."))
 363                                 % static_cast<char *>(LYX_DIR)
 364                                << endl;
 365 #else
 366                         lyxerr << _("Using built-in default ") << LYX_DIR
 367                                << _(" but expect problems.")
 368                                << endl;
 369 #endif
 370                 } else {
 371                         lyxerr << _("Expect problems.") << endl;
 372                 }
 373                 system_lyxdir = LYX_DIR;
 374                 path_shown = true;
 375         }
 376
 377         if (!path_shown)
 378                 lyxerr[Debug::INIT] << "System directory: '"
 379                                     << system_lyxdir << '\'' << endl;
 380
 381         //
 382         // Determine user lyx-dir
 383         //
 384
 385         // Directories are searched in this order:
 386         // 1) -userdir command line parameter
 387         // 2) LYX_USERDIR_13x environment variable
 388         // 3) $HOME/.<name of binary>
 389
 390         // If we had a command line switch, user_lyxdir is already set
 391         bool explicit_userdir = true;
 392         if (user_lyxdir.empty()) {
 393
 394                 // LYX_USERDIR_13x environment variable
 395                 user_lyxdir = GetEnvPath("LYX_USERDIR_13x");
 396
 397                 // default behaviour
 398                 if (user_lyxdir.empty())
 399                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 400                                                         string(".") + PACKAGE);
 401                         explicit_userdir = false;
 402         }
 403
 404         lyxerr[Debug::INIT] << "User LyX directory: '"
 405                             <<  user_lyxdir << '\'' << endl;
 406
 407         // Check that user LyX directory is ok. We don't do that if
 408         // running in batch mode.
 409         if (gui) {
 410                 queryUserLyXDir(explicit_userdir);
 411         } else {
 412                 first_start = false;
 413         }
 414
 415         //
 416         // Shine up lyxrc defaults
 417         //
 418
 419         // Default template path: system_dir/templates
 420         if (lyxrc.template_path.empty()) {
 421                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 422         }
 423
 424         // Default lastfiles file: $HOME/.lyx/lastfiles
 425         if (lyxrc.lastfiles.empty()) {
 426                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 427         }
 428
 429         // Disable gui when either lyxrc or easyparse says so
 430         if (!gui)
 431                 lyxrc.use_gui = false;
 432
 433         //
 434         // Read configuration files
 435         //
 436
 437         readRcFile("lyxrc.defaults");
 438         system_lyxrc = lyxrc;
 439         system_formats = formats;
 440         system_converters = converters;
 441         system_lcolor = lcolor;
 442
 443         // If there is a preferences file we read that instead
 444         // of the old lyxrc file.
 445         if (!readRcFile("preferences"))
 446                 readRcFile("lyxrc");
 447
 448         readEncodingsFile("encodings");
 449         readLanguagesFile("languages");
 450
 451         // Load the layouts
 452         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 453         LyXSetStyle();
 454
 455         // Ensure that we have really read a bind file, so that LyX is
 456         // usable.
 457         lyxrc.readBindFileIfNeeded();
 458
 459         // Read menus
 460         readUIFile(lyxrc.ui_file);
 461
 462         if (lyxerr.debugging(Debug::LYXRC)) {
 463                 lyxrc.print();
 464         }
 465
 466         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 467         system_tempdir = os::getTmpDir();
 468         if (lyxerr.debugging(Debug::INIT)) {
 469                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 470         }
 471
 472         lyxerr[Debug::INIT] << "Reading lastfiles `"
 473                             << lyxrc.lastfiles << "'..." << endl;
 474         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 475                                       lyxrc.check_lastfiles,
 476                                       lyxrc.num_lastfiles));
 477 }
 478
 479
 480 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 481 {
 482         kbmap->bind("Right", LFUN_RIGHT);
 483         kbmap->bind("Left", LFUN_LEFT);
 484         kbmap->bind("Up", LFUN_UP);
 485         kbmap->bind("Down", LFUN_DOWN);
 486
 487         kbmap->bind("Tab", LFUN_TAB);
 488         kbmap->bind("ISO_Left_Tab", LFUN_TAB); // jbl 2001-23-02
 489
 490         kbmap->bind("Home", LFUN_HOME);
 491         kbmap->bind("End", LFUN_END);
 492         kbmap->bind("Prior", LFUN_PRIOR);
 493         kbmap->bind("Next", LFUN_NEXT);
 494
 495         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 496         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 497
 498         kbmap->bind("Delete", LFUN_DELETE);
 499         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 500
 501         // sub- and superscript -MV
 502         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 503         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 504
 505         // kbmap->bindings to enable the use of the numeric keypad
 506         // e.g. Num Lock set
 507         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 508         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 509         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 510         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 511         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 512         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 513         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 514         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 515         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 516         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 517         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 518         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 519         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 520         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 521         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 522         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 523         kbmap->bind("KP_Right", LFUN_RIGHT);
 524         kbmap->bind("KP_Left", LFUN_LEFT);
 525         kbmap->bind("KP_Up", LFUN_UP);
 526         kbmap->bind("KP_Down", LFUN_DOWN);
 527         kbmap->bind("KP_Home", LFUN_HOME);
 528         kbmap->bind("KP_End", LFUN_END);
 529         kbmap->bind("KP_Prior", LFUN_PRIOR);
 530         kbmap->bind("KP_Next", LFUN_NEXT);
 531
 532         kbmap->bind("C-Tab", LFUN_TABINSERT);  // ale970515
 533         kbmap->bind("S-Tab", LFUN_SHIFT_TAB);  // jug20000522
 534         kbmap->bind("S-ISO_Left_Tab", LFUN_SHIFT_TAB); // jbl 2001-23-02
 535 }
 536
 537
 538 void LyX::emergencyCleanup()
 539 {
 540         // what to do about tmpfiles is non-obvious. we would
 541         // like to delete any we find, but our lyxdir might
 542         // contain documents etc. which might be helpful on
 543         // a crash
 544
 545         bufferlist.emergencyWriteAll();
 546         if (lyxserver)
 547                 lyxserver->emergencyCleanup();
 548 }
 549
 550
 551 void LyX::deadKeyBindings(kb_keymap * kbmap)
 552 {
 553         // bindKeyings for transparent handling of deadkeys
 554         // The keysyms are gotten from XFree86 X11R6
 555         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 556         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 557         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 558         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 559         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 560         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 561         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 562         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 563         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 564         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 565         // nothing with this name
 566         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 567         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 568         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 569         // nothing with this name either...
 570         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 571         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 572         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 573         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 574 }
 575
 576
 577 void LyX::queryUserLyXDir(bool explicit_userdir)
 578 {
 579         string const configure_script = AddName(system_lyxdir, "configure");
 580
 581         // Does user directory exist?
 582         FileInfo fileInfo(user_lyxdir);
 583         if (fileInfo.isOK() && fileInfo.isDir()) {
 584                 first_start = false;
 585                 FileInfo script(configure_script);
 586                 FileInfo defaults(AddName(user_lyxdir, "lyxrc.defaults"));
 587                 if (defaults.isOK() && script.isOK()
 588                     && defaults.getModificationTime() < script.getModificationTime()) {
 589                         lyxerr << _("LyX: reconfiguring user directory")
 590                                << endl;
 591                         Path p(user_lyxdir);
 592                         ::system(configure_script.c_str());
 593                         lyxerr << "LyX: " << _("Done!") << endl;
 594                 }
 595                 return;
 596         }
 597
 598         first_start = !explicit_userdir;
 599
 600         // If the user specified explicitly a directory, ask whether
 601         // to create it (otherwise, always create it)
 602         if (explicit_userdir &&
 603             !Alert::askQuestion(_("You have specified an invalid LyX directory."),
 604                          _("It is needed to keep your own configuration."),
 605                          _("Should I try to set it up for you (recommended)?"))) {
 606                 lyxerr << _("Running without personal LyX directory.") << endl;
 607                 // No, let's use $HOME instead.
 608                 user_lyxdir = GetEnvPath("HOME");
 609                 return;
 610         }
 611
 612 #if USE_BOOST_FORMAT
 613         lyxerr << boost::format(_("LyX: Creating directory %1$s"
 614                                   " and running configure..."))
 615                 % user_lyxdir
 616                << endl;
 617 #else
 618         lyxerr << _("LyX: Creating directory ") << user_lyxdir
 619                << _(" and running configure...")
 620                << endl;
 621 #endif
 622
 623         if (!createDirectory(user_lyxdir, 0755)) {
 624                 // Failed, let's use $HOME instead.
 625                 user_lyxdir = GetEnvPath("HOME");
 626 #if USE_BOOST_FORMAT
 627                 lyxerr << boost::format(_("Failed. Will use %1$s instead."))
 628                         % user_lyxdir
 629                        << endl;
 630 #else
 631                 lyxerr << _("Failed. Will use ") << user_lyxdir <<
 632                         _(" instead.")
 633                        << endl;
 634 #endif
 635                 return;
 636         }
 637
 638         // Run configure in user lyx directory
 639         Path p(user_lyxdir);
 640         ::system(configure_script.c_str());
 641         lyxerr << "LyX: " << _("Done!") << endl;
 642 }
 643
 644
 645 bool LyX::readRcFile(string const & name)
 646 {
 647         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 648
 649         string const lyxrc_path = LibFileSearch(string(), name);
 650         if (!lyxrc_path.empty()) {
 651                 lyxerr[Debug::INIT] << "Found " << name
 652                                     << " in " << lyxrc_path << endl;
 653                 if (lyxrc.read(lyxrc_path) < 0) {
 654 #if USE_BOOST_FORMAT
 655                         Alert::alert(_("LyX Warning!"),
 656                                    boost::io::str(boost::format(_("Error while reading %1$s.")) % lyxrc_path),
 657                                    _("Using built-in defaults."));
 658 #else
 659                         Alert::alert(_("LyX Warning!"),
 660                                    _("Error while reading ") + lyxrc_path,
 661                                    _("Using built-in defaults."));
 662 #endif
 663                         return false;
 664                 }
 665                 return true;
 666         } else {
 667                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 668         }
 669
 670         return false;
 671 }
 672
 673
 674 // Read the ui file `name'
 675 void LyX::readUIFile(string const & name)
 676 {
 677         enum Uitags {
 678                 ui_menuset = 1,
 679                 ui_toolbar,
 680                 ui_last
 681         };
 682
 683         struct keyword_item uitags[ui_last - 1] = {
 684                 { "menuset", ui_menuset },
 685                 { "toolbar", ui_toolbar }
 686         };
 687
 688         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 689
 690         string const ui_path = LibFileSearch("ui", name, "ui");
 691
 692         if (ui_path.empty()) {
 693                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 694                 menubackend.defaults();
 695                 return;
 696         }
 697
 698         lyxerr[Debug::INIT] << "Found " << name
 699                             << " in " << ui_path << endl;
 700         LyXLex lex(uitags, ui_last - 1);
 701         lex.setFile(ui_path);
 702         if (!lex.isOK()) {
 703                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 704                        << endl;
 705         }
 706
 707         if (lyxerr.debugging(Debug::PARSER))
 708                 lex.printTable(lyxerr);
 709
 710         while (lex.isOK()) {
 711                 switch (lex.lex()) {
 712                 case ui_menuset:
 713                         menubackend.read(lex);
 714                         break;
 715
 716                 case ui_toolbar:
 717                         toolbardefaults.read(lex);
 718                         break;
 719
 720                 default:
 721                         if (!rtrim(lex.getString()).empty())
 722                                 lex.printError("LyX::ReadUIFile: "
 723                                                "Unknown menu tag: `$$Token'");
 724                         break;
 725                 }
 726         }
 727 }
 728
 729
 730 // Read the languages file `name'
 731 void LyX::readLanguagesFile(string const & name)
 732 {
 733         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 734
 735         string const lang_path = LibFileSearch(string(), name);
 736         if (lang_path.empty()) {
 737                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 738                 languages.setDefaults();
 739                 return;
 740         }
 741         languages.read(lang_path);
 742 }
 743
 744
 745 // Read the encodings file `name'
 746 void LyX::readEncodingsFile(string const & name)
 747 {
 748         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 749
 750         string const enc_path = LibFileSearch(string(), name);
 751         if (enc_path.empty()) {
 752                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 753                 return;
 754         }
 755         encodings.read(enc_path);
 756 }
 757
 758
 759 namespace {
 760
 761 bool is_gui = true;
 762 string batch;
 763
 764 /// return the the number of arguments consumed
 765 typedef boost::function<int(string const &, string const &)> cmd_helper;
 766
 767 int parse_dbg(string const & arg, string const &)
 768 {
 769         if (arg.empty()) {
 770                 lyxerr << _("List of supported debug flags:") << endl;
 771                 Debug::showTags(lyxerr);
 772                 exit(0);
 773         }
 774 #if USE_BOOST_FORMAT
 775         lyxerr << boost::format(_("Setting debug level to %1$s"))
 776                 % arg
 777                << endl;
 778 #else
 779         lyxerr << _("Setting debug level to ") << arg << endl;
 780 #endif
 781
 782         lyxerr.level(Debug::value(arg));
 783         Debug::showLevel(lyxerr, lyxerr.level());
 784         return 1;
 785 }
 786
 787 int parse_help(string const &, string const &)
 788 {
 789         lyxerr <<
 790                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 791                   "Command line switches (case sensitive):\n"
 792                   "\t-help              summarize LyX usage\n"
 793                   "\t-userdir dir       try to set user directory to dir\n"
 794                   "\t-sysdir dir        try to set system directory to dir\n"
 795                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 796                   "\t-dbg feature[,feature]...\n"
 797                   "                  select the features to debug.\n"
 798                   "                  Type `lyx -dbg' to see the list of features\n"
 799                   "\t-x [--execute] command\n"
 800                   "                  where command is a lyx command.\n"
 801                   "\t-e [--export] fmt\n"
 802                   "                  where fmt is the export format of choice.\n"
 803                   "\t-i [--import] fmt file.xxx\n"
 804                   "                  where fmt is the import format of choice\n"
 805                   "                  and file.xxx is the file to be imported.\n"
 806                   "\t-version        summarize version and build info\n"
 807                   "Check the LyX man page for more details.") << endl;
 808         exit(0);
 809         return 0;
 810 }
 811
 812 int parse_version(string const &, string const &)
 813 {
 814         lyxerr << "LyX " << lyx_version
 815                << " of " << lyx_release_date << endl;
 816         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 817
 818         lyxerr << lyx_version_info << endl;
 819         exit(0);
 820         return 0;
 821 }
 822
 823 int parse_sysdir(string const & arg, string const &)
 824 {
 825         if (arg.empty()) {
 826                 lyxerr << _("Missing directory for -sysdir switch") << endl;
 827                 exit(1);
 828         }
 829         system_lyxdir = arg;
 830         return 1;
 831 }
 832
 833 int parse_userdir(string const & arg, string const &)
 834 {
 835         if (arg.empty()) {
 836                 lyxerr << _("Missing directory for -userdir switch") << endl;
 837                 exit(1);
 838         }
 839         user_lyxdir = arg;
 840         return 1;
 841 }
 842
 843 int parse_execute(string const & arg, string const &)
 844 {
 845         if (arg.empty()) {
 846                 lyxerr << _("Missing command string after --execute switch") << endl;
 847                 exit(1);
 848         }
 849         batch = arg;
 850         // Argh. Setting gui to false segfaults..
 851         // FIXME: when ? how ?
 852         // is_gui = false;
 853         return 1;
 854 }
 855
 856 int parse_export(string const & type, string const &)
 857 {
 858         if (type.empty()) {
 859                 lyxerr << _("Missing file type [eg latex, ps...] after "
 860                         "--export switch") << endl;
 861                 exit(1);
 862         }
 863         batch = "buffer-export " + type;
 864         is_gui = false;
 865         return 1;
 866 }
 867
 868 int parse_import(string const & type, string const & file)
 869 {
 870         if (type.empty()) {
 871                 lyxerr << _("Missing file type [eg latex, ps...] after "
 872                         "--import switch") << endl;
 873                 exit(1);
 874         }
 875         if (file.empty()) {
 876                 lyxerr << _("Missing filename for --import") << endl;
 877                 exit(1);
 878         }
 879
 880         batch = "buffer-import " + type + ' ' + file;
 881         return 2;
 882 }
 883
 884 } // namespace anon
 885
 886
 887 bool LyX::easyParse(int & argc, char * argv[])
 888 {
 889         std::map<string, cmd_helper> cmdmap;
 890
 891         cmdmap["-dbg"] = parse_dbg;
 892         cmdmap["-help"] = parse_help;
 893         cmdmap["--help"] = parse_help;
 894         cmdmap["-version"] = parse_version;
 895         cmdmap["--version"] = parse_version;
 896         cmdmap["-sysdir"] = parse_sysdir;
 897         cmdmap["-userdir"] = parse_userdir;
 898         cmdmap["-x"] = parse_execute;
 899         cmdmap["--execute"] = parse_execute;
 900         cmdmap["-e"] = parse_export;
 901         cmdmap["--export"] = parse_export;
 902         cmdmap["-i"] = parse_import;
 903         cmdmap["--import"] = parse_import;
 904
 905         for (int i = 1; i < argc; ++i) {
 906                 std::map<string, cmd_helper>::const_iterator it
 907                         = cmdmap.find(argv[i]);
 908
 909                 // don't complain if not found - may be parsed later
 910                 if (it == cmdmap.end())
 911                         continue;
 912
 913                 string arg((i + 1 < argc) ? argv[i + 1] : "");
 914                 string arg2((i + 2 < argc) ? argv[i + 2] : "");
 915
 916                 int const remove = 1 + it->second(arg, arg2);
 917
 918                 // Now, remove used arguments by shifting
 919                 // the following ones remove places down.
 920                 argc -= remove;
 921                 for (int j = i; j < argc; ++j)
 922                         argv[j] = argv[j + remove];
 923                 --i;
 924         }
 925
 926         batch_command = batch;
 927
 928         return is_gui;
 929 }