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 "ToolbarBackend.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 "support/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 namespace {
  78
  79 void showFileError(string const & error)
  80 {
  81 #if USE_BOOST_FORMAT
  82         Alert::warning(_("Could not read configuration file"),
  83                    boost::io::str(boost::format(
  84                    _("Error while reading the configuration file\n%1$s.\n"
  85                      "Please check your installation.")) % error));
  86 #else
  87         Alert::warning(_("Could not read configuration file"),
  88                    string(_("Error while reading the configuration file\n"))
  89                    + error + _(".\nPlease check your installation."));
  90 #endif
  91         exit(EXIT_FAILURE);
  92 }
  93
  94 }
  95
  96 LyX::LyX(int & argc, char * argv[])
  97 {
  98         // Here we need to parse the command line. At least
  99         // we need to parse for "-dbg" and "-help"
 100         bool const want_gui = easyParse(argc, argv);
 101
 102         // Global bindings (this must be done as early as possible.) (Lgb)
 103         toplevel_keymap.reset(new kb_keymap);
 104         defaultKeyBindings(toplevel_keymap.get());
 105
 106         // set the DisplayTranslator only once; should that be done here??
 107         // if this should not be in this file, please also remove
 108         // #include "graphics/GraphicsTypes.h" at the top -- Rob Lahaye.
 109         grfx::setDisplayTranslator();
 110
 111         if (want_gui) {
 112                 lyx_gui::parse_init(argc, argv);
 113         }
 114
 115         // check for any spurious extra arguments
 116         // other than documents
 117         for (int argi = 1; argi < argc ; ++argi) {
 118                 if (argv[argi][0] == '-') {
 119 #if USE_BOOST_FORMAT
 120                         lyxerr << boost::format(_("Wrong command line option `%1$s'. Exiting."))
 121                                 % argv[argi]
 122                                << endl;
 123 #else
 124                         lyxerr << _("Wrong command line option `")
 125                                << argv[argi] << _("'. Exiting.")
 126                                << endl;
 127 #endif
 128                         exit(1);
 129                 }
 130         }
 131
 132         // Initialization of LyX (reads lyxrc and more)
 133         lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
 134         init(want_gui);
 135         lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
 136
 137         if (want_gui) {
 138                 lyx_gui::parse_lyxrc();
 139         }
 140
 141         vector<string> files;
 142
 143         for (int argi = argc - 1; argi >= 1; --argi) {
 144                 files.push_back(argv[argi]);
 145         }
 146
 147         if (first_start)
 148                 files.push_back(i18nLibFileSearch("examples", "splash.lyx"));
 149
 150         // Execute batch commands if available
 151         if (!batch_command.empty()) {
 152                 lyxerr[Debug::INIT] << "About to handle -x '"
 153                        << batch_command << '\'' << endl;
 154
 155                 Buffer * last_loaded = 0;
 156
 157                 vector<string>::iterator it = files.begin();
 158                 vector<string>::iterator end = files.end();
 159                 for (; it != end; ++it) {
 160                         last_loaded = bufferlist.loadLyXFile(*it);
 161                 }
 162
 163                 files.clear();
 164
 165                 // no buffer loaded, create one
 166                 if (!last_loaded)
 167                         last_loaded = bufferlist.newFile("tmpfile", string());
 168
 169                 bool success = false;
 170
 171                 // try to dispatch to last loaded buffer first
 172                 bool const dispatched = last_loaded->dispatch(batch_command, &success);
 173
 174                 if (dispatched) {
 175                         QuitLyX();
 176                         exit(!success);
 177                 }
 178         }
 179
 180         lyx_gui::start(batch_command, files);
 181 }
 182
 183
 184 extern "C" {
 185
 186 static void error_handler(int err_sig)
 187 {
 188         switch (err_sig) {
 189         case SIGHUP:
 190                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 191                 break;
 192         case SIGINT:
 193                 // no comments
 194                 break;
 195         case SIGFPE:
 196                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 197                 break;
 198         case SIGSEGV:
 199                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 200                 lyxerr <<
 201                         "Sorry, you have found a bug in LyX. "
 202                         "Please read the bug-reporting instructions "
 203                         "in Help->Introduction and send us a bug report, "
 204                         "if necessary. Thanks !" << endl;
 205                 break;
 206         case SIGTERM:
 207                 // no comments
 208                 break;
 209         }
 210
 211         // Deinstall the signal handlers
 212         signal(SIGHUP, SIG_DFL);
 213         signal(SIGINT, SIG_DFL);
 214         signal(SIGFPE, SIG_DFL);
 215         signal(SIGSEGV, SIG_DFL);
 216         signal(SIGTERM, SIG_DFL);
 217
 218         LyX::emergencyCleanup();
 219
 220         lyxerr << "Bye." << endl;
 221         if (err_sig!= SIGHUP &&
 222            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 223                 lyx::abort();
 224         exit(0);
 225 }
 226
 227 }
 228
 229
 230 void LyX::init(bool gui)
 231 {
 232         signal(SIGHUP, error_handler);
 233         signal(SIGFPE, error_handler);
 234         signal(SIGSEGV, error_handler);
 235         signal(SIGINT, error_handler);
 236         signal(SIGTERM, error_handler);
 237
 238         //
 239         // Determine path of binary
 240         //
 241
 242         string binpath = os::binpath();
 243         string binname = os::binname();
 244         string fullbinname = MakeAbsPath(binname, binpath);
 245
 246         if (binpath.empty()) {
 247                 lyxerr << _("Warning: could not determine path of binary.")
 248                        << "\n"
 249                        << _("If you have problems, try starting LyX with an absolute path.")
 250                        << endl;
 251         }
 252         lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
 253         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 254
 255         //
 256         // Determine system directory.
 257         //
 258
 259         // Directories are searched in this order:
 260         // 1) -sysdir command line parameter
 261         // 2) LYX_DIR_13x environment variable
 262         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 263         // 4) <path of binary>/../share/<name of binary>/
 264         // 4a) repeat 4 after following the Symlink if <path of
 265         //     binary> is a symbolic link.
 266         // 5) hardcoded lyx_dir
 267         // The directory is checked for the presence of the file
 268         // "chkconfig.ltx", and if that is present, the directory
 269         // is accepted as the system directory.
 270         // If no chkconfig.ltx file is found, a warning is given,
 271         // and the hardcoded lyx_dir is used.
 272
 273         // If we had a command line switch, system_lyxdir is already set
 274         string searchpath;
 275         if (!system_lyxdir.empty())
 276                 searchpath = MakeAbsPath(system_lyxdir) + ';';
 277
 278         string const lyxdir = GetEnvPath("LYX_DIR_13x");
 279
 280         if (!lyxdir.empty()) {
 281                 lyxerr[Debug::INIT] << "LYX_DIR_13x: " << lyxdir << endl;
 282                 searchpath += lyxdir + ';';
 283         }
 284
 285         string fullbinpath = binpath;
 286         FileInfo file(fullbinname, true);
 287         if (file.isLink()) {
 288                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 289                 string link;
 290                 if (LyXReadLink(fullbinname, link, true)) {
 291                         // Path of binary/../share/name of binary/
 292                         searchpath += NormalizePath(AddPath(binpath,
 293                                                             "../share/")
 294                                                     + OnlyFilename(binname));
 295                         searchpath += ';';
 296                         fullbinpath = link;
 297                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 298                 }
 299         }
 300
 301         bool followlink;
 302         do {
 303                 // Path of binary/../share/name of binary/
 304                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 305                       OnlyFilename(binname)) + ';';
 306
 307                 // Follow Symlinks
 308                 FileInfo file(fullbinpath, true);
 309                 followlink = file.isLink();
 310                 if (followlink) {
 311                         lyxerr[Debug::INIT] << " directory " << fullbinpath
 312                                             << " is a link" << endl;
 313                         string link;
 314                         if (LyXReadLink(fullbinpath, link, true)) {
 315                                 fullbinpath = link;
 316                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 317                         }
 318                         else {
 319                                 followlink = false;
 320                         }
 321                 }
 322         } while (followlink);
 323
 324         // <path of binary>/TOP_SRCDIR/lib
 325         build_lyxdir = MakeAbsPath("../lib", binpath);
 326         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 327                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 328                                           binpath) + ';';
 329                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 330                         "place... yes" << endl;
 331         } else {
 332                 lyxerr[Debug::INIT]
 333                         << "Checking whether LyX is run in place... no"
 334                         << endl;
 335                 build_lyxdir.erase();
 336         }
 337
 338         // Hardcoded dir
 339         searchpath += LYX_DIR;
 340
 341         lyxerr[Debug::INIT] << "System directory search path: "
 342                             << searchpath << endl;
 343
 344         string const filename = "chkconfig.ltx";
 345         string const temp = FileOpenSearch(searchpath, filename, string());
 346         system_lyxdir = OnlyPath(temp);
 347
 348         // Reduce "path/../path" stuff out of system directory
 349         system_lyxdir = NormalizePath(system_lyxdir);
 350
 351         bool path_shown = false;
 352
 353         // Warn if environment variable is set, but unusable
 354         if (!lyxdir.empty()) {
 355                 if (system_lyxdir != NormalizePath(lyxdir)) {
 356                         lyxerr <<_("LYX_DIR_13x environment variable no good.")
 357                                << '\n'
 358                                << _("System directory set to: ")
 359                                << system_lyxdir << endl;
 360                         path_shown = true;
 361                 }
 362         }
 363
 364         // Warn the user if we couldn't find "chkconfig.ltx"
 365         if (system_lyxdir == "./") {
 366                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 367                        <<_("Try the '-sysdir' command line parameter or ")
 368                        <<_("set the environment variable LYX_DIR_13x to the "
 369                            "LyX system directory ")
 370                        << _("containing the file `chkconfig.ltx'.") << endl;
 371                 if (!path_shown) {
 372                         FileInfo fi(LYX_DIR);
 373                         if (!fi.exist()) {
 374                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 375                                         << "Giving up." << endl;
 376                                 exit(1);
 377                         }
 378 #if USE_BOOST_FORMAT
 379                         lyxerr << boost::format(_("Using built-in default %1$s"
 380                                                   " but expect problems."))
 381                                 % static_cast<char *>(LYX_DIR)
 382                                << endl;
 383 #else
 384                         lyxerr << _("Using built-in default ") << LYX_DIR
 385                                << _(" but expect problems.")
 386                                << endl;
 387 #endif
 388                 } else {
 389                         lyxerr << _("Expect problems.") << endl;
 390                 }
 391                 system_lyxdir = LYX_DIR;
 392                 path_shown = true;
 393         }
 394
 395         if (!path_shown)
 396                 lyxerr[Debug::INIT] << "System directory: '"
 397                                     << system_lyxdir << '\'' << endl;
 398
 399         //
 400         // Determine user lyx-dir
 401         //
 402
 403         // Directories are searched in this order:
 404         // 1) -userdir command line parameter
 405         // 2) LYX_USERDIR_13x environment variable
 406         // 3) $HOME/.<name of binary>
 407
 408         // If we had a command line switch, user_lyxdir is already set
 409         bool explicit_userdir = true;
 410         if (user_lyxdir.empty()) {
 411
 412                 // LYX_USERDIR_13x environment variable
 413                 user_lyxdir = GetEnvPath("LYX_USERDIR_13x");
 414
 415                 // default behaviour
 416                 if (user_lyxdir.empty())
 417                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 418                                                         string(".") + PACKAGE);
 419                         explicit_userdir = false;
 420         }
 421
 422         lyxerr[Debug::INIT] << "User LyX directory: '"
 423                             <<  user_lyxdir << '\'' << endl;
 424
 425         // Check that user LyX directory is ok. We don't do that if
 426         // running in batch mode.
 427         if (gui) {
 428                 queryUserLyXDir(explicit_userdir);
 429         } else {
 430                 first_start = false;
 431         }
 432
 433         // Disable gui when easyparse says so
 434         lyx_gui::use_gui = gui;
 435
 436         if (lyxrc.template_path.empty()) {
 437                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 438         }
 439
 440         if (lyxrc.lastfiles.empty()) {
 441                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 442         }
 443
 444         if (lyxrc.roman_font_name.empty())
 445                 lyxrc.roman_font_name = lyx_gui::roman_font_name();
 446         if (lyxrc.sans_font_name.empty())
 447                 lyxrc.sans_font_name = lyx_gui::sans_font_name();
 448         if (lyxrc.typewriter_font_name.empty())
 449                 lyxrc.typewriter_font_name = lyx_gui::typewriter_font_name();
 450
 451         //
 452         // Read configuration files
 453         //
 454
 455         readRcFile("lyxrc.defaults");
 456         system_lyxrc = lyxrc;
 457         system_formats = formats;
 458         system_converters = converters;
 459         system_lcolor = lcolor;
 460
 461         string prefsfile = "preferences";
 462         // back compatibility to lyxs < 1.1.6
 463         if (LibFileSearch(string(), prefsfile).empty())
 464                 prefsfile = "lyxrc";
 465         if (!LibFileSearch(string(), prefsfile).empty())
 466                 readRcFile(prefsfile);
 467
 468         readEncodingsFile("encodings");
 469         readLanguagesFile("languages");
 470
 471         // Load the layouts
 472         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 473         LyXSetStyle();
 474
 475         // Ensure that we have really read a bind file, so that LyX is
 476         // usable.
 477         lyxrc.readBindFileIfNeeded();
 478
 479         // Read menus
 480         readUIFile(lyxrc.ui_file);
 481
 482         if (lyxerr.debugging(Debug::LYXRC))
 483                 lyxrc.print();
 484
 485         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 486         system_tempdir = os::getTmpDir();
 487         if (lyxerr.debugging(Debug::INIT)) {
 488                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 489         }
 490
 491         lyxerr[Debug::INIT] << "Reading lastfiles `"
 492                             << lyxrc.lastfiles << "'..." << endl;
 493         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 494                                       lyxrc.check_lastfiles,
 495                                       lyxrc.num_lastfiles));
 496 }
 497
 498
 499 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 500 {
 501         kbmap->bind("Right", LFUN_RIGHT);
 502         kbmap->bind("Left", LFUN_LEFT);
 503         kbmap->bind("Up", LFUN_UP);
 504         kbmap->bind("Down", LFUN_DOWN);
 505
 506         kbmap->bind("Tab", LFUN_CELL_FORWARD);
 507         kbmap->bind("ISO_Left_Tab", LFUN_CELL_FORWARD); // jbl 2001-23-02
 508
 509         kbmap->bind("Home", LFUN_HOME);
 510         kbmap->bind("End", LFUN_END);
 511         kbmap->bind("Prior", LFUN_PRIOR);
 512         kbmap->bind("Next", LFUN_NEXT);
 513
 514         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 515         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 516
 517         kbmap->bind("Delete", LFUN_DELETE);
 518         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 519
 520         // sub- and superscript -MV
 521         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 522         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 523
 524         // kbmap->bindings to enable the use of the numeric keypad
 525         // e.g. Num Lock set
 526         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 527         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 528         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 529         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 530         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 531         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 532         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 533         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 534         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 535         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 536         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 537         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 538         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 539         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 540         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 541         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 542         kbmap->bind("KP_Right", LFUN_RIGHT);
 543         kbmap->bind("KP_Left", LFUN_LEFT);
 544         kbmap->bind("KP_Up", LFUN_UP);
 545         kbmap->bind("KP_Down", LFUN_DOWN);
 546         kbmap->bind("KP_Home", LFUN_HOME);
 547         kbmap->bind("KP_End", LFUN_END);
 548         kbmap->bind("KP_Prior", LFUN_PRIOR);
 549         kbmap->bind("KP_Next", LFUN_NEXT);
 550
 551         kbmap->bind("C-Tab", LFUN_CELL_SPLIT);  // ale970515
 552         kbmap->bind("S-Tab", LFUN_CELL_BACKWARD);  // jug20000522
 553         kbmap->bind("S-ISO_Left_Tab", LFUN_CELL_BACKWARD); // jbl 2001-23-02
 554 }
 555
 556
 557 void LyX::emergencyCleanup()
 558 {
 559         // what to do about tmpfiles is non-obvious. we would
 560         // like to delete any we find, but our lyxdir might
 561         // contain documents etc. which might be helpful on
 562         // a crash
 563
 564         bufferlist.emergencyWriteAll();
 565         if (lyxserver)
 566                 lyxserver->emergencyCleanup();
 567 }
 568
 569
 570 void LyX::deadKeyBindings(kb_keymap * kbmap)
 571 {
 572         // bindKeyings for transparent handling of deadkeys
 573         // The keysyms are gotten from XFree86 X11R6
 574         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 575         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 576         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 577         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 578         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 579         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 580         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 581         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 582         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 583         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 584         // nothing with this name
 585         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 586         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 587         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 588         // nothing with this name either...
 589         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 590         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 591         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 592         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 593 }
 594
 595
 596 void LyX::queryUserLyXDir(bool explicit_userdir)
 597 {
 598         string const configure_script = AddName(system_lyxdir, "configure");
 599
 600         // Does user directory exist?
 601         FileInfo fileInfo(user_lyxdir);
 602         if (fileInfo.isOK() && fileInfo.isDir()) {
 603                 first_start = false;
 604                 FileInfo script(configure_script);
 605                 FileInfo defaults(AddName(user_lyxdir, "lyxrc.defaults"));
 606                 if (defaults.isOK() && script.isOK()
 607                     && defaults.getModificationTime() < script.getModificationTime()) {
 608                         lyxerr << _("LyX: reconfiguring user directory")
 609                                << endl;
 610                         Path p(user_lyxdir);
 611                         ::system(configure_script.c_str());
 612                         lyxerr << "LyX: " << _("Done!") << endl;
 613                 }
 614                 return;
 615         }
 616
 617         first_start = !explicit_userdir;
 618
 619 #if USE_BOOST_FORMAT
 620         lyxerr << boost::format(_("LyX: Creating directory %1$s"
 621                                   " and running configure..."))
 622                 % user_lyxdir
 623                << endl;
 624 #else
 625         lyxerr << _("LyX: Creating directory ") << user_lyxdir
 626                << _(" and running configure...")
 627                << endl;
 628 #endif
 629
 630         if (!createDirectory(user_lyxdir, 0755)) {
 631                 // Failed, let's use $HOME instead.
 632                 user_lyxdir = GetEnvPath("HOME");
 633 #if USE_BOOST_FORMAT
 634                 lyxerr << boost::format(_("Failed. Will use %1$s instead."))
 635                         % user_lyxdir
 636                        << endl;
 637 #else
 638                 lyxerr << _("Failed. Will use ") << user_lyxdir <<
 639                         _(" instead.")
 640                        << endl;
 641 #endif
 642                 return;
 643         }
 644
 645         // Run configure in user lyx directory
 646         Path p(user_lyxdir);
 647         ::system(configure_script.c_str());
 648         lyxerr << "LyX: " << _("Done!") << endl;
 649 }
 650
 651
 652 void LyX::readRcFile(string const & name)
 653 {
 654         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 655
 656         string const lyxrc_path = LibFileSearch(string(), name);
 657         if (!lyxrc_path.empty()) {
 658
 659                 lyxerr[Debug::INIT] << "Found " << name
 660                                     << " in " << lyxrc_path << endl;
 661
 662                 if (lyxrc.read(lyxrc_path) >= 0)
 663                         return;
 664         }
 665
 666         showFileError(name);
 667 }
 668
 669
 670 // Read the ui file `name'
 671 void LyX::readUIFile(string const & name)
 672 {
 673         enum Uitags {
 674                 ui_menuset = 1,
 675                 ui_toolbar,
 676                 ui_include,
 677                 ui_last
 678         };
 679
 680         struct keyword_item uitags[ui_last - 1] = {
 681                 { "include", ui_include },
 682                 { "menuset", ui_menuset },
 683                 { "toolbar", ui_toolbar }
 684         };
 685
 686         // Ensure that a file is read only once (prevents include loops)
 687         static std::list<string> uifiles;
 688         std::list<string>::const_iterator it  = uifiles.begin();
 689         std::list<string>::const_iterator end = uifiles.end();
 690         it = std::find(it, end, name);
 691         if (it != end) {
 692                 lyxerr[Debug::INIT] << "UI file '" << name
 693                                     << "' has been read already. "
 694                                     << "Is this an include loop?"
 695                                     << endl;
 696                 return;
 697         }
 698
 699         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 700
 701         string const ui_path = LibFileSearch("ui", name, "ui");
 702
 703         if (ui_path.empty()) {
 704                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 705                 showFileError(name);
 706                 return;
 707         }
 708         uifiles.push_back(name);
 709
 710         lyxerr[Debug::INIT] << "Found " << name
 711                             << " in " << ui_path << endl;
 712         LyXLex lex(uitags, ui_last - 1);
 713         lex.setFile(ui_path);
 714         if (!lex.isOK()) {
 715                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 716                        << endl;
 717         }
 718
 719         if (lyxerr.debugging(Debug::PARSER))
 720                 lex.printTable(lyxerr);
 721
 722         while (lex.isOK()) {
 723                 switch (lex.lex()) {
 724                 case ui_include: {
 725                         lex.next(true);
 726                         string const file = lex.getString();
 727                         readUIFile(file);
 728                         break;
 729                 }
 730                 case ui_menuset:
 731                         menubackend.read(lex);
 732                         break;
 733
 734                 case ui_toolbar:
 735                         toolbarbackend.read(lex);
 736                         break;
 737
 738                 default:
 739                         if (!rtrim(lex.getString()).empty())
 740                                 lex.printError("LyX::ReadUIFile: "
 741                                                "Unknown menu tag: `$$Token'");
 742                         break;
 743                 }
 744         }
 745 }
 746
 747
 748 // Read the languages file `name'
 749 void LyX::readLanguagesFile(string const & name)
 750 {
 751         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 752
 753         string const lang_path = LibFileSearch(string(), name);
 754         if (lang_path.empty()) {
 755                 showFileError(name);
 756                 return;
 757         }
 758         languages.read(lang_path);
 759 }
 760
 761
 762 // Read the encodings file `name'
 763 void LyX::readEncodingsFile(string const & name)
 764 {
 765         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 766
 767         string const enc_path = LibFileSearch(string(), name);
 768         if (enc_path.empty()) {
 769                 showFileError(name);
 770                 return;
 771         }
 772         encodings.read(enc_path);
 773 }
 774
 775
 776 namespace {
 777
 778 bool is_gui = true;
 779 string batch;
 780
 781 /// return the the number of arguments consumed
 782 typedef boost::function<int(string const &, string const &)> cmd_helper;
 783
 784 int parse_dbg(string const & arg, string const &)
 785 {
 786         if (arg.empty()) {
 787                 lyxerr << _("List of supported debug flags:") << endl;
 788                 Debug::showTags(lyxerr);
 789                 exit(0);
 790         }
 791 #if USE_BOOST_FORMAT
 792         lyxerr << boost::format(_("Setting debug level to %1$s"))
 793                 % arg
 794                << endl;
 795 #else
 796         lyxerr << _("Setting debug level to ") << arg << endl;
 797 #endif
 798
 799         lyxerr.level(Debug::value(arg));
 800         Debug::showLevel(lyxerr, lyxerr.level());
 801         return 1;
 802 }
 803
 804 int parse_help(string const &, string const &)
 805 {
 806         lyxerr <<
 807                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 808                   "Command line switches (case sensitive):\n"
 809                   "\t-help              summarize LyX usage\n"
 810                   "\t-userdir dir       try to set user directory to dir\n"
 811                   "\t-sysdir dir        try to set system directory to dir\n"
 812                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 813                   "\t-dbg feature[,feature]...\n"
 814                   "                  select the features to debug.\n"
 815                   "                  Type `lyx -dbg' to see the list of features\n"
 816                   "\t-x [--execute] command\n"
 817                   "                  where command is a lyx command.\n"
 818                   "\t-e [--export] fmt\n"
 819                   "                  where fmt is the export format of choice.\n"
 820                   "\t-i [--import] fmt file.xxx\n"
 821                   "                  where fmt is the import format of choice\n"
 822                   "                  and file.xxx is the file to be imported.\n"
 823                   "\t-version        summarize version and build info\n"
 824                   "Check the LyX man page for more details.") << endl;
 825         exit(0);
 826         return 0;
 827 }
 828
 829 int parse_version(string const &, string const &)
 830 {
 831         lyxerr << "LyX " << lyx_version
 832                << " of " << lyx_release_date << endl;
 833         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 834
 835         lyxerr << lyx_version_info << endl;
 836         exit(0);
 837         return 0;
 838 }
 839
 840 int parse_sysdir(string const & arg, string const &)
 841 {
 842         if (arg.empty()) {
 843                 lyxerr << _("Missing directory for -sysdir switch") << endl;
 844                 exit(1);
 845         }
 846         system_lyxdir = arg;
 847         return 1;
 848 }
 849
 850 int parse_userdir(string const & arg, string const &)
 851 {
 852         if (arg.empty()) {
 853                 lyxerr << _("Missing directory for -userdir switch") << endl;
 854                 exit(1);
 855         }
 856         user_lyxdir = arg;
 857         return 1;
 858 }
 859
 860 int parse_execute(string const & arg, string const &)
 861 {
 862         if (arg.empty()) {
 863                 lyxerr << _("Missing command string after --execute switch") << endl;
 864                 exit(1);
 865         }
 866         batch = arg;
 867         // Argh. Setting gui to false segfaults..
 868         // FIXME: when ? how ?
 869         // is_gui = false;
 870         return 1;
 871 }
 872
 873 int parse_export(string const & type, string const &)
 874 {
 875         if (type.empty()) {
 876                 lyxerr << _("Missing file type [eg latex, ps...] after "
 877                         "--export switch") << endl;
 878                 exit(1);
 879         }
 880         batch = "buffer-export " + type;
 881         is_gui = false;
 882         return 1;
 883 }
 884
 885 int parse_import(string const & type, string const & file)
 886 {
 887         if (type.empty()) {
 888                 lyxerr << _("Missing file type [eg latex, ps...] after "
 889                         "--import switch") << endl;
 890                 exit(1);
 891         }
 892         if (file.empty()) {
 893                 lyxerr << _("Missing filename for --import") << endl;
 894                 exit(1);
 895         }
 896
 897         batch = "buffer-import " + type + ' ' + file;
 898         return 2;
 899 }
 900
 901 } // namespace anon
 902
 903
 904 bool LyX::easyParse(int & argc, char * argv[])
 905 {
 906         std::map<string, cmd_helper> cmdmap;
 907
 908         cmdmap["-dbg"] = parse_dbg;
 909         cmdmap["-help"] = parse_help;
 910         cmdmap["--help"] = parse_help;
 911         cmdmap["-version"] = parse_version;
 912         cmdmap["--version"] = parse_version;
 913         cmdmap["-sysdir"] = parse_sysdir;
 914         cmdmap["-userdir"] = parse_userdir;
 915         cmdmap["-x"] = parse_execute;
 916         cmdmap["--execute"] = parse_execute;
 917         cmdmap["-e"] = parse_export;
 918         cmdmap["--export"] = parse_export;
 919         cmdmap["-i"] = parse_import;
 920         cmdmap["--import"] = parse_import;
 921
 922         for (int i = 1; i < argc; ++i) {
 923                 std::map<string, cmd_helper>::const_iterator it
 924                         = cmdmap.find(argv[i]);
 925
 926                 // don't complain if not found - may be parsed later
 927                 if (it == cmdmap.end())
 928                         continue;
 929
 930                 string arg((i + 1 < argc) ? argv[i + 1] : "");
 931                 string arg2((i + 2 < argc) ? argv[i + 2] : "");
 932
 933                 int const remove = 1 + it->second(arg, arg2);
 934
 935                 // Now, remove used arguments by shifting
 936                 // the following ones remove places down.
 937                 argc -= remove;
 938                 for (int j = i; j < argc; ++j)
 939                         argv[j] = argv[j + remove];
 940                 --i;
 941         }
 942
 943         batch_command = batch;
 944
 945         return is_gui;
 946 }