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 "graphics/GraphicsTypes.h"
  28
  29 #include "bufferlist.h"
  30 #include "buffer.h"
  31 #include "lyxserver.h"
  32 #include "kbmap.h"
  33 #include "lyxfunc.h"
  34 #include "ToolbarDefaults.h"
  35 #include "MenuBackend.h"
  36 #include "language.h"
  37 #include "lastfiles.h"
  38 #include "encoding.h"
  39 #include "converter.h"
  40 #include "lyxtextclasslist.h"
  41
  42 #include "frontends/Alert.h"
  43 #include "frontends/lyx_gui.h"
  44
  45 #include "BoostFormat.h"
  46 #include <boost/function.hpp>
  47
  48 #include <cstdlib>
  49 #include <csignal>
  50
  51 using std::vector;
  52 using std::endl;
  53
  54 #ifndef CXX_GLOBAL_CSTD
  55 using std::exit;
  56 using std::signal;
  57 using std::system;
  58 #endif
  59
  60 extern void LoadLyXFile(string const &);
  61 extern void QuitLyX();
  62
  63 extern LyXServer * lyxserver;
  64
  65 string system_lyxdir;
  66 string build_lyxdir;
  67 string system_tempdir;
  68 string user_lyxdir;
  69
  70 DebugStream lyxerr;
  71
  72 boost::scoped_ptr<LastFiles> lastfiles;
  73
  74 // This is the global bufferlist object
  75 BufferList bufferlist;
  76
  77 // convenient to have it here.
  78 boost::scoped_ptr<kb_keymap> toplevel_keymap;
  79
  80
  81 LyX::LyX(int & argc, char * argv[])
  82 {
  83         // Here we need to parse the command line. At least
  84         // we need to parse for "-dbg" and "-help"
  85         bool const want_gui = easyParse(argc, argv);
  86
  87         // Global bindings (this must be done as early as possible.) (Lgb)
  88         toplevel_keymap.reset(new kb_keymap);
  89         defaultKeyBindings(toplevel_keymap.get());
  90
  91         // set the DisplayTranslator only once; should that be done here??
  92         // if this should not be in this file, please also remove
  93         // #include "graphics/GraphicsTypes.h" at the top -- Rob Lahaye.
  94         grfx::setDisplayTranslator();
  95
  96         lyxerr << argc << endl;
  97
  98         if (want_gui) {
  99                 lyxerr <<  "parsinint" << endl;
 100                 lyx_gui::parse_init(argc, argv);
 101         }
 102
 103         lyxerr << argc << endl;
 104
 105         // check for any spurious extra arguments
 106         // other than documents
 107         for (int argi = 1; argi < argc ; ++argi) {
 108                 if (argv[argi][0] == '-') {
 109 #if USE_BOOST_FORMAT
 110                         lyxerr << boost::format(_("Wrong command line option `%1$s'. Exiting."))
 111                                 % argv[argi]
 112                                << endl;
 113 #else
 114                         lyxerr << _("Wrong command line option `")
 115                                << argv[argi] << _("'. Exiting.")
 116                                << endl;
 117 #endif
 118                         exit(1);
 119                 }
 120         }
 121
 122         // Initialization of LyX (reads lyxrc and more)
 123         lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
 124         init(want_gui);
 125         lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
 126
 127         if (want_gui) {
 128                 lyx_gui::parse_lyxrc();
 129         }
 130
 131         vector<string> files;
 132
 133         for (int argi = argc - 1; argi >= 1; --argi) {
 134                 files.push_back(argv[argi]);
 135         }
 136
 137         if (first_start) {
 138                 files.push_back(i18nLibFileSearch("examples", "splash.lyx"));
 139         }
 140
 141         // Execute batch commands if available
 142         if (!batch_command.empty()) {
 143                 lyxerr[Debug::INIT] << "About to handle -x '"
 144                        << batch_command << '\'' << endl;
 145
 146                 Buffer * last_loaded = 0;
 147
 148                 vector<string>::iterator it = files.begin();
 149                 vector<string>::iterator end = files.end();
 150                 for (; it != end; ++it) {
 151                         last_loaded = bufferlist.loadLyXFile(*it);
 152                 }
 153
 154                 files.clear();
 155
 156                 // no buffer loaded, create one
 157                 if (!last_loaded)
 158                         last_loaded = bufferlist.newFile("tmpfile", string());
 159
 160                 bool success = false;
 161
 162                 // try to dispatch to last loaded buffer first
 163                 bool const dispatched = last_loaded->dispatch(batch_command, &success);
 164
 165                 if (dispatched) {
 166                         QuitLyX();
 167                         exit(!success);
 168                 }
 169         }
 170
 171         lyx_gui::start(batch_command, files);
 172 }
 173
 174
 175 extern "C" {
 176
 177 static void error_handler(int err_sig)
 178 {
 179         switch (err_sig) {
 180         case SIGHUP:
 181                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 182                 break;
 183         case SIGINT:
 184                 // no comments
 185                 break;
 186         case SIGFPE:
 187                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 188                 break;
 189         case SIGSEGV:
 190                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 191                 lyxerr <<
 192                         "Sorry, you have found a bug in LyX. "
 193                         "Please read the bug-reporting instructions "
 194                         "in Help->Introduction and send us a bug report, "
 195                         "if necessary. Thanks !" << endl;
 196                 break;
 197         case SIGTERM:
 198                 // no comments
 199                 break;
 200         }
 201
 202         // Deinstall the signal handlers
 203         signal(SIGHUP, SIG_DFL);
 204         signal(SIGINT, SIG_DFL);
 205         signal(SIGFPE, SIG_DFL);
 206         signal(SIGSEGV, SIG_DFL);
 207         signal(SIGTERM, SIG_DFL);
 208
 209         LyX::emergencyCleanup();
 210
 211         lyxerr << "Bye." << endl;
 212         if (err_sig!= SIGHUP &&
 213            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 214                 lyx::abort();
 215         exit(0);
 216 }
 217
 218 }
 219
 220
 221 void LyX::init(bool gui)
 222 {
 223         signal(SIGHUP, error_handler);
 224         signal(SIGFPE, error_handler);
 225         signal(SIGSEGV, error_handler);
 226         signal(SIGINT, error_handler);
 227         signal(SIGTERM, error_handler);
 228
 229         //
 230         // Determine path of binary
 231         //
 232
 233         string binpath = os::binpath();
 234         string binname = os::binname();
 235         string fullbinname = MakeAbsPath(binname, binpath);
 236
 237         if (binpath.empty()) {
 238                 lyxerr << _("Warning: could not determine path of binary.")
 239                        << "\n"
 240                        << _("If you have problems, try starting LyX with an absolute path.")
 241                        << endl;
 242         }
 243         lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
 244         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 245
 246         //
 247         // Determine system directory.
 248         //
 249
 250         // Directories are searched in this order:
 251         // 1) -sysdir command line parameter
 252         // 2) LYX_DIR_13x environment variable
 253         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 254         // 4) <path of binary>/../share/<name of binary>/
 255         // 4a) repeat 4 after following the Symlink if <path of
 256         //     binary> is a symbolic link.
 257         // 5) hardcoded lyx_dir
 258         // The directory is checked for the presence of the file
 259         // "chkconfig.ltx", and if that is present, the directory
 260         // is accepted as the system directory.
 261         // If no chkconfig.ltx file is found, a warning is given,
 262         // and the hardcoded lyx_dir is used.
 263
 264         // If we had a command line switch, system_lyxdir is already set
 265         string searchpath;
 266         if (!system_lyxdir.empty())
 267                 searchpath = MakeAbsPath(system_lyxdir) + ';';
 268
 269         string const lyxdir = GetEnvPath("LYX_DIR_13x");
 270
 271         if (!lyxdir.empty()) {
 272                 lyxerr[Debug::INIT] << "LYX_DIR_13x: " << lyxdir << endl;
 273                 searchpath += lyxdir + ';';
 274         }
 275
 276         string fullbinpath = binpath;
 277         FileInfo file(fullbinname, true);
 278         if (file.isLink()) {
 279                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 280                 string link;
 281                 if (LyXReadLink(fullbinname, link, true)) {
 282                         // Path of binary/../share/name of binary/
 283                         searchpath += NormalizePath(AddPath(binpath,
 284                                                             "../share/")
 285                                                     + OnlyFilename(binname));
 286                         searchpath += ';';
 287                         fullbinpath = link;
 288                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 289                 }
 290         }
 291
 292         bool followlink;
 293         do {
 294                 // Path of binary/../share/name of binary/
 295                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 296                       OnlyFilename(binname)) + ';';
 297
 298                 // Follow Symlinks
 299                 FileInfo file(fullbinpath, true);
 300                 followlink = file.isLink();
 301                 if (followlink) {
 302                         lyxerr[Debug::INIT] << " directory " << fullbinpath
 303                                             << " is a link" << endl;
 304                         string link;
 305                         if (LyXReadLink(fullbinpath, link, true)) {
 306                                 fullbinpath = link;
 307                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 308                         }
 309                         else {
 310                                 followlink = false;
 311                         }
 312                 }
 313         } while (followlink);
 314
 315         // <path of binary>/TOP_SRCDIR/lib
 316         build_lyxdir = MakeAbsPath("../lib", binpath);
 317         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 318                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 319                                           binpath) + ';';
 320                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 321                         "place... yes" << endl;
 322         } else {
 323                 lyxerr[Debug::INIT]
 324                         << "Checking whether LyX is run in place... no"
 325                         << endl;
 326                 build_lyxdir.erase();
 327         }
 328
 329         // Hardcoded dir
 330         searchpath += LYX_DIR;
 331
 332         lyxerr[Debug::INIT] << "System directory search path: "
 333                             << searchpath << endl;
 334
 335         string const filename = "chkconfig.ltx";
 336         string const temp = FileOpenSearch(searchpath, filename, string());
 337         system_lyxdir = OnlyPath(temp);
 338
 339         // Reduce "path/../path" stuff out of system directory
 340         system_lyxdir = NormalizePath(system_lyxdir);
 341
 342         bool path_shown = false;
 343
 344         // Warn if environment variable is set, but unusable
 345         if (!lyxdir.empty()) {
 346                 if (system_lyxdir != NormalizePath(lyxdir)) {
 347                         lyxerr <<_("LYX_DIR_13x environment variable no good.")
 348                                << '\n'
 349                                << _("System directory set to: ")
 350                                << system_lyxdir << endl;
 351                         path_shown = true;
 352                 }
 353         }
 354
 355         // Warn the user if we couldn't find "chkconfig.ltx"
 356         if (system_lyxdir == "./") {
 357                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 358                        <<_("Try the '-sysdir' command line parameter or ")
 359                        <<_("set the environment variable LYX_DIR_13x to the "
 360                            "LyX system directory ")
 361                        << _("containing the file `chkconfig.ltx'.") << endl;
 362                 if (!path_shown) {
 363                         FileInfo fi(LYX_DIR);
 364                         if (!fi.exist()) {
 365                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 366                                         << "Giving up." << endl;
 367                                 exit(1);
 368                         }
 369 #if USE_BOOST_FORMAT
 370                         lyxerr << boost::format(_("Using built-in default %1$s"
 371                                                   " but expect problems."))
 372                                 % static_cast<char *>(LYX_DIR)
 373                                << endl;
 374 #else
 375                         lyxerr << _("Using built-in default ") << LYX_DIR
 376                                << _(" but expect problems.")
 377                                << endl;
 378 #endif
 379                 } else {
 380                         lyxerr << _("Expect problems.") << endl;
 381                 }
 382                 system_lyxdir = LYX_DIR;
 383                 path_shown = true;
 384         }
 385
 386         if (!path_shown)
 387                 lyxerr[Debug::INIT] << "System directory: '"
 388                                     << system_lyxdir << '\'' << endl;
 389
 390         //
 391         // Determine user lyx-dir
 392         //
 393
 394         // Directories are searched in this order:
 395         // 1) -userdir command line parameter
 396         // 2) LYX_USERDIR_13x environment variable
 397         // 3) $HOME/.<name of binary>
 398
 399         // If we had a command line switch, user_lyxdir is already set
 400         bool explicit_userdir = true;
 401         if (user_lyxdir.empty()) {
 402
 403                 // LYX_USERDIR_13x environment variable
 404                 user_lyxdir = GetEnvPath("LYX_USERDIR_13x");
 405
 406                 // default behaviour
 407                 if (user_lyxdir.empty())
 408                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 409                                                         string(".") + PACKAGE);
 410                         explicit_userdir = false;
 411         }
 412
 413         lyxerr[Debug::INIT] << "User LyX directory: '"
 414                             <<  user_lyxdir << '\'' << endl;
 415
 416         // Check that user LyX directory is ok. We don't do that if
 417         // running in batch mode.
 418         if (gui) {
 419                 queryUserLyXDir(explicit_userdir);
 420         } else {
 421                 first_start = false;
 422         }
 423
 424         //
 425         // Shine up lyxrc defaults
 426         //
 427
 428         // Default template path: system_dir/templates
 429         if (lyxrc.template_path.empty()) {
 430                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 431         }
 432
 433         // Default lastfiles file: $HOME/.lyx/lastfiles
 434         if (lyxrc.lastfiles.empty()) {
 435                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 436         }
 437
 438         // Disable gui when either lyxrc or easyparse says so
 439         if (!gui)
 440                 lyxrc.use_gui = false;
 441
 442         //
 443         // Read configuration files
 444         //
 445
 446         readRcFile("lyxrc.defaults");
 447         system_lyxrc = lyxrc;
 448         system_formats = formats;
 449         system_converters = converters;
 450         system_lcolor = lcolor;
 451
 452         // If there is a preferences file we read that instead
 453         // of the old lyxrc file.
 454         if (!readRcFile("preferences"))
 455             readRcFile("lyxrc");
 456
 457         readEncodingsFile("encodings");
 458         readLanguagesFile("languages");
 459
 460         // Load the layouts
 461         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 462         LyXSetStyle();
 463
 464         // Ensure that we have really read a bind file, so that LyX is
 465         // usable.
 466         lyxrc.readBindFileIfNeeded();
 467
 468         // Read menus
 469         readUIFile(lyxrc.ui_file);
 470
 471         if (lyxerr.debugging(Debug::LYXRC)) {
 472                 lyxrc.print();
 473         }
 474
 475         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 476         system_tempdir = os::getTmpDir();
 477         if (lyxerr.debugging(Debug::INIT)) {
 478                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 479         }
 480
 481         lyxerr[Debug::INIT] << "Reading lastfiles `"
 482                             << lyxrc.lastfiles << "'..." << endl;
 483         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 484                                       lyxrc.check_lastfiles,
 485                                       lyxrc.num_lastfiles));
 486 }
 487
 488
 489 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 490 {
 491         kbmap->bind("Right", LFUN_RIGHT);
 492         kbmap->bind("Left", LFUN_LEFT);
 493         kbmap->bind("Up", LFUN_UP);
 494         kbmap->bind("Down", LFUN_DOWN);
 495
 496         kbmap->bind("Tab", LFUN_TAB);
 497         kbmap->bind("ISO_Left_Tab", LFUN_TAB); // jbl 2001-23-02
 498
 499         kbmap->bind("Home", LFUN_HOME);
 500         kbmap->bind("End", LFUN_END);
 501         kbmap->bind("Prior", LFUN_PRIOR);
 502         kbmap->bind("Next", LFUN_NEXT);
 503
 504         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 505         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 506
 507         kbmap->bind("Delete", LFUN_DELETE);
 508         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 509
 510         // sub- and superscript -MV
 511         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 512         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 513
 514         // kbmap->bindings to enable the use of the numeric keypad
 515         // e.g. Num Lock set
 516         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 517         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 518         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 519         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 520         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 521         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 522         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 523         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 524         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 525         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 526         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 527         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 528         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 529         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 530         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 531         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 532         kbmap->bind("KP_Right", LFUN_RIGHT);
 533         kbmap->bind("KP_Left", LFUN_LEFT);
 534         kbmap->bind("KP_Up", LFUN_UP);
 535         kbmap->bind("KP_Down", LFUN_DOWN);
 536         kbmap->bind("KP_Home", LFUN_HOME);
 537         kbmap->bind("KP_End", LFUN_END);
 538         kbmap->bind("KP_Prior", LFUN_PRIOR);
 539         kbmap->bind("KP_Next", LFUN_NEXT);
 540
 541         kbmap->bind("C-Tab", LFUN_TABINSERT);  // ale970515
 542         kbmap->bind("S-Tab", LFUN_SHIFT_TAB);  // jug20000522
 543         kbmap->bind("S-ISO_Left_Tab", LFUN_SHIFT_TAB); // jbl 2001-23-02
 544 }
 545
 546
 547 void LyX::emergencyCleanup()
 548 {
 549         // what to do about tmpfiles is non-obvious. we would
 550         // like to delete any we find, but our lyxdir might
 551         // contain documents etc. which might be helpful on
 552         // a crash
 553
 554         bufferlist.emergencyWriteAll();
 555         if (lyxserver)
 556                 lyxserver->emergencyCleanup();
 557 }
 558
 559
 560 void LyX::deadKeyBindings(kb_keymap * kbmap)
 561 {
 562         // bindKeyings for transparent handling of deadkeys
 563         // The keysyms are gotten from XFree86 X11R6
 564         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 565         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 566         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 567         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 568         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 569         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 570         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 571         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 572         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 573         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 574         // nothing with this name
 575         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 576         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 577         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 578         // nothing with this name either...
 579         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 580         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 581         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 582         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 583 }
 584
 585
 586 void LyX::queryUserLyXDir(bool explicit_userdir)
 587 {
 588         string const configure_script = AddName(system_lyxdir, "configure");
 589
 590         // Does user directory exist?
 591         FileInfo fileInfo(user_lyxdir);
 592         if (fileInfo.isOK() && fileInfo.isDir()) {
 593                 first_start = false;
 594                 FileInfo script(configure_script);
 595                 FileInfo defaults(AddName(user_lyxdir, "lyxrc.defaults"));
 596                 if (defaults.isOK() && script.isOK()
 597                     && defaults.getModificationTime() < script.getModificationTime()) {
 598                         lyxerr << _("LyX: reconfiguring user directory")
 599                                << endl;
 600                         Path p(user_lyxdir);
 601                         ::system(configure_script.c_str());
 602                         lyxerr << "LyX: " << _("Done!") << endl;
 603                 }
 604                 return;
 605         }
 606
 607         first_start = !explicit_userdir;
 608
 609         // If the user specified explicitly a directory, ask whether
 610         // to create it (otherwise, always create it)
 611         if (explicit_userdir &&
 612             !Alert::askQuestion(_("You have specified an invalid LyX directory."),
 613                          _("It is needed to keep your own configuration."),
 614                          _("Should I try to set it up for you (recommended)?"))) {
 615                 lyxerr << _("Running without personal LyX directory.") << endl;
 616                 // No, let's use $HOME instead.
 617                 user_lyxdir = GetEnvPath("HOME");
 618                 return;
 619         }
 620
 621 #if USE_BOOST_FORMAT
 622         lyxerr << boost::format(_("LyX: Creating directory %1$s"
 623                                   " and running configure..."))
 624                 % user_lyxdir
 625                << endl;
 626 #else
 627         lyxerr << _("LyX: Creating directory ") << user_lyxdir
 628                << _(" and running configure...")
 629                << endl;
 630 #endif
 631
 632         if (!createDirectory(user_lyxdir, 0755)) {
 633                 // Failed, let's use $HOME instead.
 634                 user_lyxdir = GetEnvPath("HOME");
 635 #if USE_BOOST_FORMAT
 636                 lyxerr << boost::format(_("Failed. Will use %1$s instead."))
 637                         % user_lyxdir
 638                        << endl;
 639 #else
 640                 lyxerr << _("Failed. Will use ") << user_lyxdir <<
 641                         _(" instead.")
 642                        << endl;
 643 #endif
 644                 return;
 645         }
 646
 647         // Run configure in user lyx directory
 648         Path p(user_lyxdir);
 649         ::system(configure_script.c_str());
 650         lyxerr << "LyX: " << _("Done!") << endl;
 651 }
 652
 653
 654 bool LyX::readRcFile(string const & name)
 655 {
 656         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 657
 658         string const lyxrc_path = LibFileSearch(string(), name);
 659         if (!lyxrc_path.empty()) {
 660                 lyxerr[Debug::INIT] << "Found " << name
 661                                     << " in " << lyxrc_path << endl;
 662                 if (lyxrc.read(lyxrc_path) < 0) {
 663 #if USE_BOOST_FORMAT
 664                         Alert::alert(_("LyX Warning!"),
 665                                    boost::io::str(boost::format(_("Error while reading %1$s.")) % lyxrc_path),
 666                                    _("Using built-in defaults."));
 667 #else
 668                         Alert::alert(_("LyX Warning!"),
 669                                    _("Error while reading ") + lyxrc_path,
 670                                    _("Using built-in defaults."));
 671 #endif
 672                         return false;
 673                 }
 674                 return true;
 675         } else {
 676                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 677         }
 678
 679         return false;
 680 }
 681
 682
 683 // Read the ui file `name'
 684 void LyX::readUIFile(string const & name)
 685 {
 686         enum Uitags {
 687                 ui_menuset = 1,
 688                 ui_toolbar,
 689                 ui_last
 690         };
 691
 692         struct keyword_item uitags[ui_last - 1] = {
 693                 { "menuset", ui_menuset },
 694                 { "toolbar", ui_toolbar }
 695         };
 696
 697         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 698
 699         string const ui_path = LibFileSearch("ui", name, "ui");
 700
 701         if (ui_path.empty()) {
 702                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 703                 menubackend.defaults();
 704                 return;
 705         }
 706
 707         lyxerr[Debug::INIT] << "Found " << name
 708                             << " in " << ui_path << endl;
 709         LyXLex lex(uitags, ui_last - 1);
 710         lex.setFile(ui_path);
 711         if (!lex.isOK()) {
 712                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 713                        << endl;
 714         }
 715
 716         if (lyxerr.debugging(Debug::PARSER))
 717                 lex.printTable(lyxerr);
 718
 719         while (lex.isOK()) {
 720                 switch (lex.lex()) {
 721                 case ui_menuset:
 722                         menubackend.read(lex);
 723                         break;
 724
 725                 case ui_toolbar:
 726                         toolbardefaults.read(lex);
 727                         break;
 728
 729                 default:
 730                         if (!rtrim(lex.getString()).empty())
 731                                 lex.printError("LyX::ReadUIFile: "
 732                                                "Unknown menu tag: `$$Token'");
 733                         break;
 734                 }
 735         }
 736 }
 737
 738
 739 // Read the languages file `name'
 740 void LyX::readLanguagesFile(string const & name)
 741 {
 742         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 743
 744         string const lang_path = LibFileSearch(string(), name);
 745         if (lang_path.empty()) {
 746                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 747                 languages.setDefaults();
 748                 return;
 749         }
 750         languages.read(lang_path);
 751 }
 752
 753
 754 // Read the encodings file `name'
 755 void LyX::readEncodingsFile(string const & name)
 756 {
 757         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 758
 759         string const enc_path = LibFileSearch(string(), name);
 760         if (enc_path.empty()) {
 761                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 762                 return;
 763         }
 764         encodings.read(enc_path);
 765 }
 766
 767
 768 namespace {
 769
 770 bool is_gui = true;
 771 string batch;
 772
 773 /// return the the number of arguments consumed
 774 typedef boost::function<int(string const &, string const &)> cmd_helper;
 775
 776 int parse_dbg(string const & arg, string const &)
 777 {
 778         if (arg.empty()) {
 779                 lyxerr << _("List of supported debug flags:") << endl;
 780                 Debug::showTags(lyxerr);
 781                 exit(0);
 782         }
 783 #if USE_BOOST_FORMAT
 784         lyxerr << boost::format(_("Setting debug level to %1$s"))
 785                 % arg
 786                << endl;
 787 #else
 788         lyxerr << _("Setting debug level to ") << arg << endl;
 789 #endif
 790
 791         lyxerr.level(Debug::value(arg));
 792         Debug::showLevel(lyxerr, lyxerr.level());
 793         return 1;
 794 }
 795
 796 int parse_help(string const &, string const &)
 797 {
 798         lyxerr <<
 799                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 800                   "Command line switches (case sensitive):\n"
 801                   "\t-help              summarize LyX usage\n"
 802                   "\t-userdir dir       try to set user directory to dir\n"
 803                   "\t-sysdir dir        try to set system directory to dir\n"
 804                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 805                   "\t-dbg feature[,feature]...\n"
 806                   "                  select the features to debug.\n"
 807                   "                  Type `lyx -dbg' to see the list of features\n"
 808                   "\t-x [--execute] command\n"
 809                   "                  where command is a lyx command.\n"
 810                   "\t-e [--export] fmt\n"
 811                   "                  where fmt is the export format of choice.\n"
 812                   "\t-i [--import] fmt file.xxx\n"
 813                   "                  where fmt is the import format of choice\n"
 814                   "                  and file.xxx is the file to be imported.\n"
 815                   "\t-version        summarize version and build info\n"
 816                   "Check the LyX man page for more details.") << endl;
 817         exit(0);
 818         return 0;
 819 }
 820
 821 int parse_version(string const &, string const &)
 822 {
 823         lyxerr << "LyX " << lyx_version
 824                << " of " << lyx_release_date << endl;
 825         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 826
 827         lyxerr << lyx_version_info << endl;
 828         exit(0);
 829         return 0;
 830 }
 831
 832 int parse_sysdir(string const & arg, string const &)
 833 {
 834         if (arg.empty()) {
 835                 lyxerr << _("Missing directory for -sysdir switch") << endl;
 836                 exit(1);
 837         }
 838         system_lyxdir = arg;
 839         return 1;
 840 }
 841
 842 int parse_userdir(string const & arg, string const &)
 843 {
 844         if (arg.empty()) {
 845                 lyxerr << _("Missing directory for -userdir switch") << endl;
 846                 exit(1);
 847         }
 848         user_lyxdir = arg;
 849         return 1;
 850 }
 851
 852 int parse_execute(string const & arg, string const &)
 853 {
 854         if (arg.empty()) {
 855                 lyxerr << _("Missing command string after --execute switch") << endl;
 856                 exit(1);
 857         }
 858         batch = arg;
 859         // Argh. Setting gui to false segfaults..
 860         // FIXME: when ? how ?
 861         // is_gui = false;
 862         return 1;
 863 }
 864
 865 int parse_export(string const & type, string const &)
 866 {
 867         if (type.empty()) {
 868                 lyxerr << _("Missing file type [eg latex, ps...] after "
 869                         "--export switch") << endl;
 870                 exit(1);
 871         }
 872         batch = "buffer-export " + type;
 873         is_gui = false;
 874         return 1;
 875 }
 876
 877 int parse_import(string const & type, string const & file)
 878 {
 879         if (type.empty()) {
 880                 lyxerr << _("Missing file type [eg latex, ps...] after "
 881                         "--import switch") << endl;
 882                 exit(1);
 883         }
 884         if (file.empty()) {
 885                 lyxerr << _("Missing filename for --import") << endl;
 886                 exit(1);
 887         }
 888
 889         batch = "buffer-import " + type + ' ' + file;
 890         return 2;
 891 }
 892
 893 } // namespace anon
 894
 895
 896 bool LyX::easyParse(int & argc, char * argv[])
 897 {
 898         std::map<string, cmd_helper> cmdmap;
 899
 900         cmdmap["-dbg"] = parse_dbg;
 901         cmdmap["-help"] = parse_help;
 902         cmdmap["--help"] = parse_help;
 903         cmdmap["-version"] = parse_version;
 904         cmdmap["--version"] = parse_version;
 905         cmdmap["-sysdir"] = parse_sysdir;
 906         cmdmap["-userdir"] = parse_userdir;
 907         cmdmap["-x"] = parse_execute;
 908         cmdmap["--execute"] = parse_execute;
 909         cmdmap["-e"] = parse_export;
 910         cmdmap["--export"] = parse_export;
 911         cmdmap["-i"] = parse_import;
 912         cmdmap["--import"] = parse_import;
 913
 914         for (int i = 1; i < argc; ++i) {
 915                 std::map<string, cmd_helper>::const_iterator it
 916                         = cmdmap.find(argv[i]);
 917
 918                 // don't complain if not found - may be parsed later
 919                 if (it == cmdmap.end())
 920                         continue;
 921
 922                 string arg((i + 1 < argc) ? argv[i + 1] : "");
 923                 string arg2((i + 2 < argc) ? argv[i + 2] : "");
 924
 925                 int const remove = 1 + it->second(arg, arg2);
 926
 927                 // Now, remove used arguments by shifting
 928                 // the following ones remove places down.
 929                 argc -= remove;
 930                 for (int j = i; j < argc; ++j)
 931                         argv[j] = argv[j + remove];
 932                 --i;
 933         }
 934
 935         batch_command = batch;
 936
 937         return is_gui;
 938 }