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 "buffer_funcs.h"
  28 #include "lyxserver.h"
  29 #include "kbmap.h"
  30 #include "lyxfunc.h"
  31 #include "ToolbarBackend.h"
  32 #include "MenuBackend.h"
  33 #include "language.h"
  34 #include "lastfiles.h"
  35 #include "encoding.h"
  36 #include "converter.h"
  37 #include "format.h"
  38 #include "lyxtextclasslist.h"
  39
  40 #include "frontends/Alert.h"
  41 #include "frontends/lyx_gui.h"
  42
  43 #include <boost/function.hpp>
  44 #include <boost/bind.hpp>
  45 #include <boost/signals/signal1.hpp>
  46
  47 #include <cstdlib>
  48 #include <csignal>
  49 #include <iostream>
  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 namespace {
  81
  82 void showFileError(string const & error)
  83 {
  84         Alert::warning(_("Could not read configuration file"),
  85                    bformat(_("Error while reading the configuration file\n%1$s.\n"
  86                      "Please check your installation."), error));
  87         exit(EXIT_FAILURE);
  88 }
  89
  90 }
  91
  92 LyX::LyX(int & argc, char * argv[])
  93 {
  94         // Here we need to parse the command line. At least
  95         // we need to parse for "-dbg" and "-help"
  96         bool const want_gui = easyParse(argc, argv);
  97
  98         // Global bindings (this must be done as early as possible.) (Lgb)
  99         toplevel_keymap.reset(new kb_keymap);
 100         defaultKeyBindings(toplevel_keymap.get());
 101
 102         // set the DisplayTranslator only once; should that be done here??
 103         // if this should not be in this file, please also remove
 104         // #include "graphics/GraphicsTypes.h" at the top -- Rob Lahaye.
 105         grfx::setDisplayTranslator();
 106
 107         if (want_gui) {
 108                 lyx_gui::parse_init(argc, argv);
 109         }
 110
 111         // check for any spurious extra arguments
 112         // other than documents
 113         for (int argi = 1; argi < argc ; ++argi) {
 114                 if (argv[argi][0] == '-') {
 115                         lyxerr << bformat(_("Wrong command line option `%1$s'. Exiting."),
 116                                 argv[argi]) << endl;
 117                         exit(1);
 118                 }
 119         }
 120
 121         // Initialization of LyX (reads lyxrc and more)
 122         lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
 123         init(want_gui);
 124         lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
 125
 126         if (want_gui) {
 127                 lyx_gui::parse_lyxrc();
 128         }
 129
 130         vector<string> files;
 131
 132         for (int argi = argc - 1; argi >= 1; --argi) {
 133                 files.push_back(argv[argi]);
 134         }
 135
 136         if (first_start)
 137                 files.push_back(i18nLibFileSearch("examples", "splash.lyx"));
 138
 139         // Execute batch commands if available
 140         if (!batch_command.empty()) {
 141                 lyxerr[Debug::INIT] << "About to handle -x '"
 142                        << batch_command << '\'' << endl;
 143
 144                 Buffer * last_loaded = 0;
 145
 146                 vector<string>::const_iterator it = files.begin();
 147                 vector<string>::const_iterator end = files.end();
 148
 149                 for (; it != end; ++it) {
 150                         // get absolute path of file and add ".lyx" to
 151                         // the filename if necessary
 152                         string s = FileSearch(string(), *it, "lyx");
 153                         if (s.empty()) {
 154                                 s = *it;
 155                         }
 156
 157                         last_loaded = bufferlist.newBuffer(s, false);
 158                         last_loaded->parseError.connect(boost::bind(&LyX::printError, this, _1));
 159                         loadLyXFile(last_loaded, s);
 160                 }
 161
 162                 files.clear();
 163
 164                 bool success = false;
 165
 166                 // try to dispatch to last loaded buffer first
 167                 bool const dispatched = last_loaded->dispatch(batch_command, &success);
 168
 169                 if (dispatched) {
 170                         QuitLyX();
 171                         exit(!success);
 172                 }
 173         }
 174
 175         lyx_gui::start(batch_command, files);
 176 }
 177
 178
 179 extern "C" {
 180
 181 static void error_handler(int err_sig)
 182 {
 183         switch (err_sig) {
 184         case SIGHUP:
 185                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 186                 break;
 187         case SIGINT:
 188                 // no comments
 189                 break;
 190         case SIGFPE:
 191                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 192                 break;
 193         case SIGSEGV:
 194                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 195                 lyxerr <<
 196                         "Sorry, you have found a bug in LyX. "
 197                         "Please read the bug-reporting instructions "
 198                         "in Help->Introduction and send us a bug report, "
 199                         "if necessary. Thanks !" << endl;
 200                 break;
 201         case SIGTERM:
 202                 // no comments
 203                 break;
 204         }
 205
 206         // Deinstall the signal handlers
 207         signal(SIGHUP, SIG_DFL);
 208         signal(SIGINT, SIG_DFL);
 209         signal(SIGFPE, SIG_DFL);
 210         signal(SIGSEGV, SIG_DFL);
 211         signal(SIGTERM, SIG_DFL);
 212
 213         LyX::emergencyCleanup();
 214
 215         lyxerr << "Bye." << endl;
 216         if (err_sig!= SIGHUP &&
 217            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 218                 lyx::abort();
 219         exit(0);
 220 }
 221
 222 }
 223
 224
 225 void LyX::printError(ErrorItem const & ei)
 226 {
 227         std::cerr << _("LyX: ") << ei.error
 228                   << ':' << ei.description << std::endl;
 229
 230 }
 231
 232
 233 void LyX::init(bool gui)
 234 {
 235         signal(SIGHUP, error_handler);
 236         signal(SIGFPE, error_handler);
 237         signal(SIGSEGV, error_handler);
 238         signal(SIGINT, error_handler);
 239         signal(SIGTERM, error_handler);
 240
 241         //
 242         // Determine path of binary
 243         //
 244
 245         string binpath = os::binpath();
 246         string binname = os::binname();
 247         string fullbinname = MakeAbsPath(binname, binpath);
 248
 249         if (binpath.empty()) {
 250                 lyxerr << _("Warning: could not determine path of binary.")
 251                        << "\n"
 252                        << _("If you have problems, try starting LyX with an absolute path.")
 253                        << endl;
 254         }
 255         lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
 256         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 257
 258         //
 259         // Determine system directory.
 260         //
 261
 262         // Directories are searched in this order:
 263         // 1) -sysdir command line parameter
 264         // 2) LYX_DIR_14x environment variable
 265         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 266         // 4) <path of binary>/../share/<name of binary>/
 267         // 4a) repeat 4 after following the Symlink if <path of
 268         //     binary> is a symbolic link.
 269         // 5) hardcoded lyx_dir
 270         // The directory is checked for the presence of the file
 271         // "chkconfig.ltx", and if that is present, the directory
 272         // is accepted as the system directory.
 273         // If no chkconfig.ltx file is found, a warning is given,
 274         // and the hardcoded lyx_dir is used.
 275
 276         // If we had a command line switch, system_lyxdir is already set
 277         string searchpath;
 278         if (!system_lyxdir.empty())
 279                 searchpath = MakeAbsPath(system_lyxdir) + ';';
 280
 281         string const lyxdir = GetEnvPath("LYX_DIR_14x");
 282
 283         if (!lyxdir.empty()) {
 284                 lyxerr[Debug::INIT] << "LYX_DIR_14x: " << lyxdir << endl;
 285                 searchpath += lyxdir + ';';
 286         }
 287
 288         string fullbinpath = binpath;
 289         FileInfo file(fullbinname, true);
 290         if (file.isLink()) {
 291                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 292                 string link;
 293                 if (LyXReadLink(fullbinname, link, true)) {
 294                         // Path of binary/../share/name of binary/
 295                         searchpath += NormalizePath(AddPath(binpath,
 296                                                             "../share/")
 297                                                     + OnlyFilename(binname));
 298                         searchpath += ';';
 299                         fullbinpath = link;
 300                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 301                 }
 302         }
 303
 304         bool followlink;
 305         do {
 306                 // Path of binary/../share/name of binary/
 307                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 308                       OnlyFilename(binname)) + ';';
 309
 310                 // Follow Symlinks
 311                 FileInfo file(fullbinpath, true);
 312                 followlink = file.isLink();
 313                 if (followlink) {
 314                         lyxerr[Debug::INIT] << " directory " << fullbinpath
 315                                             << " is a link" << endl;
 316                         string link;
 317                         if (LyXReadLink(fullbinpath, link, true)) {
 318                                 fullbinpath = link;
 319                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 320                         }
 321                         else {
 322                                 followlink = false;
 323                         }
 324                 }
 325         } while (followlink);
 326
 327         // <path of binary>/TOP_SRCDIR/lib
 328         build_lyxdir = MakeAbsPath("../lib", binpath);
 329         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 330                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 331                                           binpath) + ';';
 332                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 333                         "place... yes" << endl;
 334         } else {
 335                 lyxerr[Debug::INIT]
 336                         << "Checking whether LyX is run in place... no"
 337                         << endl;
 338                 build_lyxdir.erase();
 339         }
 340
 341         // Hardcoded dir
 342         searchpath += LYX_DIR;
 343
 344         lyxerr[Debug::INIT] << "System directory search path: "
 345                             << searchpath << endl;
 346
 347         string const filename = "chkconfig.ltx";
 348         string const temp = FileOpenSearch(searchpath, filename, string());
 349         system_lyxdir = OnlyPath(temp);
 350
 351         // Reduce "path/../path" stuff out of system directory
 352         system_lyxdir = NormalizePath(system_lyxdir);
 353
 354         bool path_shown = false;
 355
 356         // Warn if environment variable is set, but unusable
 357         if (!lyxdir.empty()) {
 358                 if (system_lyxdir != NormalizePath(lyxdir)) {
 359                         lyxerr <<_("LYX_DIR_14x environment variable no good.")
 360                                << '\n'
 361                                << _("System directory set to: ")
 362                                << system_lyxdir << endl;
 363                         path_shown = true;
 364                 }
 365         }
 366
 367         // Warn the user if we couldn't find "chkconfig.ltx"
 368         if (system_lyxdir == "./") {
 369                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 370                        <<_("Try the '-sysdir' command line parameter or ")
 371                        <<_("set the environment variable LYX_DIR_14x to the "
 372                            "LyX system directory ")
 373                        << _("containing the file `chkconfig.ltx'.") << endl;
 374                 if (!path_shown) {
 375                         FileInfo fi(LYX_DIR);
 376                         if (!fi.exist()) {
 377                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 378                                         << "Giving up." << endl;
 379                                 exit(1);
 380                         }
 381                         lyxerr << bformat(_("Using built-in default %1$s but expect problems."),
 382                                 LYX_DIR) << endl;
 383                 } else {
 384                         lyxerr << _("Expect problems.") << endl;
 385                 }
 386                 system_lyxdir = LYX_DIR;
 387                 path_shown = true;
 388         }
 389
 390         if (!path_shown)
 391                 lyxerr[Debug::INIT] << "System directory: '"
 392                                     << system_lyxdir << '\'' << endl;
 393
 394         //
 395         // Determine user lyx-dir
 396         //
 397
 398         // Directories are searched in this order:
 399         // 1) -userdir command line parameter
 400         // 2) LYX_USERDIR_14x environment variable
 401         // 3) $HOME/.<name of binary>
 402
 403         // If we had a command line switch, user_lyxdir is already set
 404         bool explicit_userdir = true;
 405         if (user_lyxdir.empty()) {
 406
 407                 // LYX_USERDIR_14x environment variable
 408                 user_lyxdir = GetEnvPath("LYX_USERDIR_14x");
 409
 410                 // default behaviour
 411                 if (user_lyxdir.empty())
 412                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 413                                                         string(".") + PACKAGE);
 414                         explicit_userdir = false;
 415         }
 416
 417         lyxerr[Debug::INIT] << "User LyX directory: '"
 418                             <<  user_lyxdir << '\'' << endl;
 419
 420         // Check that user LyX directory is ok. We don't do that if
 421         // running in batch mode.
 422         if (gui) {
 423                 queryUserLyXDir(explicit_userdir);
 424         } else {
 425                 first_start = false;
 426         }
 427
 428         // Disable gui when easyparse says so
 429         lyx_gui::use_gui = gui;
 430
 431         if (lyxrc.template_path.empty()) {
 432                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 433         }
 434
 435         if (lyxrc.lastfiles.empty()) {
 436                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 437         }
 438
 439         if (lyxrc.roman_font_name.empty())
 440                 lyxrc.roman_font_name = lyx_gui::roman_font_name();
 441         if (lyxrc.sans_font_name.empty())
 442                 lyxrc.sans_font_name = lyx_gui::sans_font_name();
 443         if (lyxrc.typewriter_font_name.empty())
 444                 lyxrc.typewriter_font_name = lyx_gui::typewriter_font_name();
 445
 446         //
 447         // Read configuration files
 448         //
 449
 450         readRcFile("lyxrc.defaults");
 451         system_lyxrc = lyxrc;
 452         system_formats = formats;
 453         system_converters = converters;
 454         system_lcolor = lcolor;
 455
 456         string prefsfile = "preferences";
 457         // back compatibility to lyxs < 1.1.6
 458         if (LibFileSearch(string(), prefsfile).empty())
 459                 prefsfile = "lyxrc";
 460         if (!LibFileSearch(string(), prefsfile).empty())
 461                 readRcFile(prefsfile);
 462
 463         readEncodingsFile("encodings");
 464         readLanguagesFile("languages");
 465
 466         // Load the layouts
 467         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 468         LyXSetStyle();
 469
 470         // Ensure that we have really read a bind file, so that LyX is
 471         // usable.
 472         lyxrc.readBindFileIfNeeded();
 473
 474         // Read menus
 475         readUIFile(lyxrc.ui_file);
 476
 477         if (lyxerr.debugging(Debug::LYXRC))
 478                 lyxrc.print();
 479
 480         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 481         system_tempdir = os::getTmpDir();
 482         if (lyxerr.debugging(Debug::INIT)) {
 483                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 484         }
 485
 486         lyxerr[Debug::INIT] << "Reading lastfiles `"
 487                             << lyxrc.lastfiles << "'..." << endl;
 488         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 489                                       lyxrc.check_lastfiles,
 490                                       lyxrc.num_lastfiles));
 491 }
 492
 493
 494 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 495 {
 496         kbmap->bind("Right", LFUN_RIGHT);
 497         kbmap->bind("Left", LFUN_LEFT);
 498         kbmap->bind("Up", LFUN_UP);
 499         kbmap->bind("Down", LFUN_DOWN);
 500
 501         kbmap->bind("Tab", LFUN_CELL_FORWARD);
 502         kbmap->bind("ISO_Left_Tab", LFUN_CELL_FORWARD); // jbl 2001-23-02
 503
 504         kbmap->bind("Home", LFUN_HOME);
 505         kbmap->bind("End", LFUN_END);
 506         kbmap->bind("Prior", LFUN_PRIOR);
 507         kbmap->bind("Next", LFUN_NEXT);
 508
 509         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 510         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 511
 512         kbmap->bind("Delete", LFUN_DELETE);
 513         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 514
 515         // sub- and superscript -MV
 516         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 517         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 518
 519         // kbmap->bindings to enable the use of the numeric keypad
 520         // e.g. Num Lock set
 521         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 522         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 523         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 524         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 525         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 526         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 527         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 528         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 529         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 530         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 531         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 532         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 533         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 534         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 535         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 536         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 537         kbmap->bind("KP_Right", LFUN_RIGHT);
 538         kbmap->bind("KP_Left", LFUN_LEFT);
 539         kbmap->bind("KP_Up", LFUN_UP);
 540         kbmap->bind("KP_Down", LFUN_DOWN);
 541         kbmap->bind("KP_Home", LFUN_HOME);
 542         kbmap->bind("KP_End", LFUN_END);
 543         kbmap->bind("KP_Prior", LFUN_PRIOR);
 544         kbmap->bind("KP_Next", LFUN_NEXT);
 545
 546         kbmap->bind("C-Tab", LFUN_CELL_SPLIT);  // ale970515
 547         kbmap->bind("S-Tab", LFUN_CELL_BACKWARD);  // jug20000522
 548         kbmap->bind("S-ISO_Left_Tab", LFUN_CELL_BACKWARD); // jbl 2001-23-02
 549 }
 550
 551
 552 void LyX::emergencyCleanup()
 553 {
 554         // what to do about tmpfiles is non-obvious. we would
 555         // like to delete any we find, but our lyxdir might
 556         // contain documents etc. which might be helpful on
 557         // a crash
 558
 559         bufferlist.emergencyWriteAll();
 560         if (lyxserver)
 561                 lyxserver->emergencyCleanup();
 562 }
 563
 564
 565 void LyX::deadKeyBindings(kb_keymap * kbmap)
 566 {
 567         // bindKeyings for transparent handling of deadkeys
 568         // The keysyms are gotten from XFree86 X11R6
 569         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 570         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 571         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 572         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 573         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 574         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 575         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 576         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 577         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 578         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 579         // nothing with this name
 580         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 581         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 582         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 583         // nothing with this name either...
 584         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 585         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 586         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 587         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 588 }
 589
 590
 591 void LyX::queryUserLyXDir(bool explicit_userdir)
 592 {
 593         string const configure_script = AddName(system_lyxdir, "configure");
 594
 595         // Does user directory exist?
 596         FileInfo fileInfo(user_lyxdir);
 597         if (fileInfo.isOK() && fileInfo.isDir()) {
 598                 first_start = false;
 599                 FileInfo script(configure_script);
 600                 FileInfo defaults(AddName(user_lyxdir, "lyxrc.defaults"));
 601                 if (defaults.isOK() && script.isOK()
 602                     && defaults.getModificationTime() < script.getModificationTime()) {
 603                         lyxerr << _("LyX: reconfiguring user directory")
 604                                << endl;
 605                         Path p(user_lyxdir);
 606                         ::system(configure_script.c_str());
 607                         lyxerr << "LyX: " << _("Done!") << endl;
 608                 }
 609                 return;
 610         }
 611
 612         first_start = !explicit_userdir;
 613
 614         lyxerr << bformat(_("LyX: Creating directory %1$s"
 615                                   " and running configure..."), user_lyxdir) << endl;
 616
 617         if (!createDirectory(user_lyxdir, 0755)) {
 618                 // Failed, let's use $HOME instead.
 619                 user_lyxdir = GetEnvPath("HOME");
 620                 lyxerr << bformat(_("Failed. Will use %1$s instead."),
 621                         user_lyxdir) << endl;
 622                 return;
 623         }
 624
 625         // Run configure in user lyx directory
 626         Path p(user_lyxdir);
 627         ::system(configure_script.c_str());
 628         lyxerr << "LyX: " << _("Done!") << endl;
 629 }
 630
 631
 632 void LyX::readRcFile(string const & name)
 633 {
 634         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 635
 636         string const lyxrc_path = LibFileSearch(string(), name);
 637         if (!lyxrc_path.empty()) {
 638
 639                 lyxerr[Debug::INIT] << "Found " << name
 640                                     << " in " << lyxrc_path << endl;
 641
 642                 if (lyxrc.read(lyxrc_path) >= 0)
 643                         return;
 644         }
 645
 646         showFileError(name);
 647 }
 648
 649
 650 // Read the ui file `name'
 651 void LyX::readUIFile(string const & name)
 652 {
 653         enum Uitags {
 654                 ui_menuset = 1,
 655                 ui_toolbar,
 656                 ui_toolbars,
 657                 ui_include,
 658                 ui_last
 659         };
 660
 661         struct keyword_item uitags[ui_last - 1] = {
 662                 { "include", ui_include },
 663                 { "menuset", ui_menuset },
 664                 { "toolbar", ui_toolbar },
 665                 { "toolbars", ui_toolbars }
 666         };
 667
 668         // Ensure that a file is read only once (prevents include loops)
 669         static std::list<string> uifiles;
 670         std::list<string>::const_iterator it  = uifiles.begin();
 671         std::list<string>::const_iterator end = uifiles.end();
 672         it = std::find(it, end, name);
 673         if (it != end) {
 674                 lyxerr[Debug::INIT] << "UI file '" << name
 675                                     << "' has been read already. "
 676                                     << "Is this an include loop?"
 677                                     << endl;
 678                 return;
 679         }
 680
 681         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 682
 683         string const ui_path = LibFileSearch("ui", name, "ui");
 684
 685         if (ui_path.empty()) {
 686                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 687                 showFileError(name);
 688                 return;
 689         }
 690         uifiles.push_back(name);
 691
 692         lyxerr[Debug::INIT] << "Found " << name
 693                             << " in " << ui_path << endl;
 694         LyXLex lex(uitags, ui_last - 1);
 695         lex.setFile(ui_path);
 696         if (!lex.isOK()) {
 697                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 698                        << endl;
 699         }
 700
 701         if (lyxerr.debugging(Debug::PARSER))
 702                 lex.printTable(lyxerr);
 703
 704         while (lex.isOK()) {
 705                 switch (lex.lex()) {
 706                 case ui_include: {
 707                         lex.next(true);
 708                         string const file = lex.getString();
 709                         readUIFile(file);
 710                         break;
 711                 }
 712                 case ui_menuset:
 713                         menubackend.read(lex);
 714                         break;
 715
 716                 case ui_toolbar:
 717                         toolbarbackend.read(lex);
 718                         break;
 719
 720                 case ui_toolbars:
 721                         toolbarbackend.readToolbars(lex);
 722                         break;
 723
 724                 default:
 725                         if (!rtrim(lex.getString()).empty())
 726                                 lex.printError("LyX::ReadUIFile: "
 727                                                "Unknown menu tag: `$$Token'");
 728                         break;
 729                 }
 730         }
 731 }
 732
 733
 734 // Read the languages file `name'
 735 void LyX::readLanguagesFile(string const & name)
 736 {
 737         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 738
 739         string const lang_path = LibFileSearch(string(), name);
 740         if (lang_path.empty()) {
 741                 showFileError(name);
 742                 return;
 743         }
 744         languages.read(lang_path);
 745 }
 746
 747
 748 // Read the encodings file `name'
 749 void LyX::readEncodingsFile(string const & name)
 750 {
 751         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 752
 753         string const enc_path = LibFileSearch(string(), name);
 754         if (enc_path.empty()) {
 755                 showFileError(name);
 756                 return;
 757         }
 758         encodings.read(enc_path);
 759 }
 760
 761
 762 namespace {
 763
 764 bool is_gui = true;
 765 string batch;
 766
 767 /// return the the number of arguments consumed
 768 typedef boost::function<int(string const &, string const &)> cmd_helper;
 769
 770 int parse_dbg(string const & arg, string const &)
 771 {
 772         if (arg.empty()) {
 773                 lyxerr << _("List of supported debug flags:") << endl;
 774                 Debug::showTags(lyxerr);
 775                 exit(0);
 776         }
 777         lyxerr << bformat(_("Setting debug level to %1$s"), arg) << endl;
 778
 779         lyxerr.level(Debug::value(arg));
 780         Debug::showLevel(lyxerr, lyxerr.level());
 781         return 1;
 782 }
 783
 784
 785 int parse_help(string const &, string const &)
 786 {
 787         lyxerr <<
 788                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 789                   "Command line switches (case sensitive):\n"
 790                   "\t-help              summarize LyX usage\n"
 791                   "\t-userdir dir       try to set user directory to dir\n"
 792                   "\t-sysdir dir        try to set system directory to dir\n"
 793                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 794                   "\t-dbg feature[,feature]...\n"
 795                   "                  select the features to debug.\n"
 796                   "                  Type `lyx -dbg' to see the list of features\n"
 797                   "\t-x [--execute] command\n"
 798                   "                  where command is a lyx command.\n"
 799                   "\t-e [--export] fmt\n"
 800                   "                  where fmt is the export format of choice.\n"
 801                   "\t-i [--import] fmt file.xxx\n"
 802                   "                  where fmt is the import format of choice\n"
 803                   "                  and file.xxx is the file to be imported.\n"
 804                   "\t-version        summarize version and build info\n"
 805                   "Check the LyX man page for more details.") << endl;
 806         exit(0);
 807         return 0;
 808 }
 809
 810 int parse_version(string const &, string const &)
 811 {
 812         lyxerr << "LyX " << lyx_version
 813                << " of " << lyx_release_date << endl;
 814         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 815
 816         lyxerr << lyx_version_info << endl;
 817         exit(0);
 818         return 0;
 819 }
 820
 821 int parse_sysdir(string const & arg, string const &)
 822 {
 823         if (arg.empty()) {
 824                 lyxerr << _("Missing directory for -sysdir switch") << endl;
 825                 exit(1);
 826         }
 827         system_lyxdir = arg;
 828         return 1;
 829 }
 830
 831 int parse_userdir(string const & arg, string const &)
 832 {
 833         if (arg.empty()) {
 834                 lyxerr << _("Missing directory for -userdir switch") << endl;
 835                 exit(1);
 836         }
 837         user_lyxdir = arg;
 838         return 1;
 839 }
 840
 841 int parse_execute(string const & arg, string const &)
 842 {
 843         if (arg.empty()) {
 844                 lyxerr << _("Missing command string after --execute switch") << endl;
 845                 exit(1);
 846         }
 847         batch = arg;
 848         // Argh. Setting gui to false segfaults..
 849         // FIXME: when ? how ?
 850         // is_gui = false;
 851         return 1;
 852 }
 853
 854 int parse_export(string const & type, string const &)
 855 {
 856         if (type.empty()) {
 857                 lyxerr << _("Missing file type [eg latex, ps...] after "
 858                         "--export switch") << endl;
 859                 exit(1);
 860         }
 861         batch = "buffer-export " + type;
 862         is_gui = false;
 863         return 1;
 864 }
 865
 866 int parse_import(string const & type, string const & file)
 867 {
 868         if (type.empty()) {
 869                 lyxerr << _("Missing file type [eg latex, ps...] after "
 870                         "--import switch") << endl;
 871                 exit(1);
 872         }
 873         if (file.empty()) {
 874                 lyxerr << _("Missing filename for --import") << endl;
 875                 exit(1);
 876         }
 877
 878         batch = "buffer-import " + type + ' ' + file;
 879         return 2;
 880 }
 881
 882 } // namespace anon
 883
 884
 885 bool LyX::easyParse(int & argc, char * argv[])
 886 {
 887         std::map<string, cmd_helper> cmdmap;
 888
 889         cmdmap["-dbg"] = parse_dbg;
 890         cmdmap["-help"] = parse_help;
 891         cmdmap["--help"] = parse_help;
 892         cmdmap["-version"] = parse_version;
 893         cmdmap["--version"] = parse_version;
 894         cmdmap["-sysdir"] = parse_sysdir;
 895         cmdmap["-userdir"] = parse_userdir;
 896         cmdmap["-x"] = parse_execute;
 897         cmdmap["--execute"] = parse_execute;
 898         cmdmap["-e"] = parse_export;
 899         cmdmap["--export"] = parse_export;
 900         cmdmap["-i"] = parse_import;
 901         cmdmap["--import"] = parse_import;
 902
 903         for (int i = 1; i < argc; ++i) {
 904                 std::map<string, cmd_helper>::const_iterator it
 905                         = cmdmap.find(argv[i]);
 906
 907                 // don't complain if not found - may be parsed later
 908                 if (it == cmdmap.end())
 909                         continue;
 910
 911                 string arg((i + 1 < argc) ? argv[i + 1] : "");
 912                 string arg2((i + 2 < argc) ? argv[i + 2] : "");
 913
 914                 int const remove = 1 + it->second(arg, arg2);
 915
 916                 // Now, remove used arguments by shifting
 917                 // the following ones remove places down.
 918                 argc -= remove;
 919                 for (int j = i; j < argc; ++j)
 920                         argv[j] = argv[j + remove];
 921                 --i;
 922         }
 923
 924         batch_command = batch;
 925
 926         return is_gui;
 927 }