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