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 Lars Gullik Bjønnes
   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 namespace lyx::support;
  52
  53 using std::vector;
  54 using std::endl;
  55
  56 #ifndef CXX_GLOBAL_CSTD
  57 using std::exit;
  58 using std::signal;
  59 using std::system;
  60 #endif
  61
  62 namespace grfx = lyx::graphics;
  63
  64 extern void LoadLyXFile(string const &);
  65 extern void QuitLyX();
  66
  67 extern LyXServer * lyxserver;
  68
  69 string system_lyxdir;
  70 string build_lyxdir;
  71 string system_tempdir;
  72 string user_lyxdir;
  73
  74 DebugStream lyxerr;
  75
  76 boost::scoped_ptr<LastFiles> lastfiles;
  77
  78 // This is the global bufferlist object
  79 BufferList bufferlist;
  80
  81 // convenient to have it here.
  82 boost::scoped_ptr<kb_keymap> toplevel_keymap;
  83
  84 namespace {
  85
  86 void showFileError(string const & error)
  87 {
  88         Alert::warning(_("Could not read configuration file"),
  89                    bformat(_("Error while reading the configuration file\n%1$s.\n"
  90                      "Please check your installation."), error));
  91         exit(EXIT_FAILURE);
  92 }
  93
  94 }
  95
  96 LyX::LyX(int & argc, char * argv[])
  97 {
  98         // Here we need to parse the command line. At least
  99         // we need to parse for "-dbg" and "-help"
 100         bool const want_gui = easyParse(argc, argv);
 101
 102         // Global bindings (this must be done as early as possible.) (Lgb)
 103         toplevel_keymap.reset(new kb_keymap);
 104         defaultKeyBindings(toplevel_keymap.get());
 105
 106         // set the DisplayTranslator only once; should that be done here??
 107         // if this should not be in this file, please also remove
 108         // #include "graphics/GraphicsTypes.h" at the top -- Rob Lahaye.
 109         grfx::setDisplayTranslator();
 110
 111         if (want_gui) {
 112                 lyx_gui::parse_init(argc, argv);
 113         }
 114
 115         // check for any spurious extra arguments
 116         // other than documents
 117         for (int argi = 1; argi < argc ; ++argi) {
 118                 if (argv[argi][0] == '-') {
 119                         lyxerr << bformat(_("Wrong command line option `%1$s'. Exiting."),
 120                                 argv[argi]) << endl;
 121                         exit(1);
 122                 }
 123         }
 124
 125         // Initialization of LyX (reads lyxrc and more)
 126         lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
 127         init(want_gui);
 128         lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
 129
 130         if (want_gui) {
 131                 lyx_gui::parse_lyxrc();
 132         }
 133
 134         vector<string> files;
 135
 136         for (int argi = argc - 1; argi >= 1; --argi) {
 137                 files.push_back(argv[argi]);
 138         }
 139
 140         if (first_start)
 141                 files.push_back(i18nLibFileSearch("examples", "splash.lyx"));
 142
 143         // Execute batch commands if available
 144         if (!batch_command.empty()) {
 145                 lyxerr[Debug::INIT] << "About to handle -x '"
 146                        << batch_command << '\'' << endl;
 147
 148                 Buffer * last_loaded = 0;
 149
 150                 vector<string>::const_iterator it = files.begin();
 151                 vector<string>::const_iterator end = files.end();
 152
 153                 for (; it != end; ++it) {
 154                         // get absolute path of file and add ".lyx" to
 155                         // the filename if necessary
 156                         string s = FileSearch(string(), *it, "lyx");
 157                         if (s.empty()) {
 158                                 s = *it;
 159                         }
 160
 161                         last_loaded = bufferlist.newBuffer(s, false);
 162                         last_loaded->error.connect(boost::bind(&LyX::printError, this, _1));
 163                         loadLyXFile(last_loaded, s);
 164                 }
 165
 166                 files.clear();
 167
 168                 bool success = false;
 169
 170                 // try to dispatch to last loaded buffer first
 171                 bool const dispatched = last_loaded->dispatch(batch_command, &success);
 172
 173                 if (dispatched) {
 174                         QuitLyX();
 175                         exit(!success);
 176                 }
 177         }
 178
 179         lyx_gui::start(batch_command, files);
 180 }
 181
 182
 183 extern "C" {
 184
 185 static void error_handler(int err_sig)
 186 {
 187         switch (err_sig) {
 188         case SIGHUP:
 189                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 190                 break;
 191         case SIGINT:
 192                 // no comments
 193                 break;
 194         case SIGFPE:
 195                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 196                 break;
 197         case SIGSEGV:
 198                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 199                 lyxerr <<
 200                         "Sorry, you have found a bug in LyX. "
 201                         "Please read the bug-reporting instructions "
 202                         "in Help->Introduction and send us a bug report, "
 203                         "if necessary. Thanks !" << endl;
 204                 break;
 205         case SIGTERM:
 206                 // no comments
 207                 break;
 208         }
 209
 210         // Deinstall the signal handlers
 211         signal(SIGHUP, SIG_DFL);
 212         signal(SIGINT, SIG_DFL);
 213         signal(SIGFPE, SIG_DFL);
 214         signal(SIGSEGV, SIG_DFL);
 215         signal(SIGTERM, SIG_DFL);
 216
 217         LyX::emergencyCleanup();
 218
 219         lyxerr << "Bye." << endl;
 220         if (err_sig!= SIGHUP &&
 221            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 222                 lyx::support::abort();
 223         exit(0);
 224 }
 225
 226 }
 227
 228
 229 void LyX::printError(ErrorItem const & ei)
 230 {
 231         std::cerr << _("LyX: ") << ei.error
 232                   << ':' << ei.description << std::endl;
 233
 234 }
 235
 236
 237 void LyX::init(bool gui)
 238 {
 239         signal(SIGHUP, error_handler);
 240         signal(SIGFPE, error_handler);
 241         signal(SIGSEGV, error_handler);
 242         signal(SIGINT, error_handler);
 243         signal(SIGTERM, error_handler);
 244
 245         //
 246         // Determine path of binary
 247         //
 248
 249         string binpath = os::binpath();
 250         string binname = os::binname();
 251         string fullbinname = MakeAbsPath(binname, binpath);
 252
 253         if (binpath.empty()) {
 254                 lyxerr << _("Warning: could not determine path of binary.")
 255                        << "\n"
 256                        << _("If you have problems, try starting LyX with an absolute path.")
 257                        << endl;
 258         }
 259         lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
 260         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 261
 262         //
 263         // Determine system directory.
 264         //
 265
 266         // Directories are searched in this order:
 267         // 1) -sysdir command line parameter
 268         // 2) LYX_DIR_14x environment variable
 269         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 270         // 4) <path of binary>/../share/<name of binary>/
 271         // 4a) repeat 4 after following the Symlink if <path of
 272         //     binary> is a symbolic link.
 273         // 5) hardcoded lyx_dir
 274         // The directory is checked for the presence of the file
 275         // "chkconfig.ltx", and if that is present, the directory
 276         // is accepted as the system directory.
 277         // If no chkconfig.ltx file is found, a warning is given,
 278         // and the hardcoded lyx_dir is used.
 279
 280         // If we had a command line switch, system_lyxdir is already set
 281         string searchpath;
 282         if (!system_lyxdir.empty())
 283                 searchpath = MakeAbsPath(system_lyxdir) + ';';
 284
 285         string const lyxdir = GetEnvPath("LYX_DIR_14x");
 286
 287         if (!lyxdir.empty()) {
 288                 lyxerr[Debug::INIT] << "LYX_DIR_14x: " << lyxdir << endl;
 289                 searchpath += lyxdir + ';';
 290         }
 291
 292         string fullbinpath = binpath;
 293         FileInfo file(fullbinname, true);
 294         if (file.isLink()) {
 295                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 296                 string link;
 297                 if (LyXReadLink(fullbinname, link, true)) {
 298                         // Path of binary/../share/name of binary/
 299                         searchpath += NormalizePath(AddPath(binpath,
 300                                                             "../share/")
 301                                                     + OnlyFilename(binname));
 302                         searchpath += ';';
 303                         fullbinpath = link;
 304                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 305                 }
 306         }
 307
 308         bool followlink;
 309         do {
 310                 // Path of binary/../share/name of binary/
 311                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 312                       OnlyFilename(binname)) + ';';
 313
 314                 // Follow Symlinks
 315                 FileInfo file(fullbinpath, true);
 316                 followlink = file.isLink();
 317                 if (followlink) {
 318                         lyxerr[Debug::INIT] << " directory " << fullbinpath
 319                                             << " is a link" << endl;
 320                         string link;
 321                         if (LyXReadLink(fullbinpath, link, true)) {
 322                                 fullbinpath = link;
 323                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 324                         }
 325                         else {
 326                                 followlink = false;
 327                         }
 328                 }
 329         } while (followlink);
 330
 331         // <path of binary>/TOP_SRCDIR/lib
 332         build_lyxdir = MakeAbsPath("../lib", binpath);
 333         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 334                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 335                                           binpath) + ';';
 336                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 337                         "place... yes" << endl;
 338         } else {
 339                 lyxerr[Debug::INIT]
 340                         << "Checking whether LyX is run in place... no"
 341                         << endl;
 342                 build_lyxdir.erase();
 343         }
 344
 345         // Hardcoded dir
 346         searchpath += LYX_DIR;
 347
 348         lyxerr[Debug::INIT] << "System directory search path: "
 349                             << searchpath << endl;
 350
 351         string const filename = "chkconfig.ltx";
 352         string const temp = FileOpenSearch(searchpath, filename, string());
 353         system_lyxdir = OnlyPath(temp);
 354
 355         // Reduce "path/../path" stuff out of system directory
 356         system_lyxdir = NormalizePath(system_lyxdir);
 357
 358         bool path_shown = false;
 359
 360         // Warn if environment variable is set, but unusable
 361         if (!lyxdir.empty()) {
 362                 if (system_lyxdir != NormalizePath(lyxdir)) {
 363                         lyxerr <<_("LYX_DIR_14x environment variable no good.")
 364                                << '\n'
 365                                << _("System directory set to: ")
 366                                << system_lyxdir << endl;
 367                         path_shown = true;
 368                 }
 369         }
 370
 371         // Warn the user if we couldn't find "chkconfig.ltx"
 372         if (system_lyxdir == "./") {
 373                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 374                        <<_("Try the '-sysdir' command line parameter or ")
 375                        <<_("set the environment variable LYX_DIR_14x to the "
 376                            "LyX system directory ")
 377                        << _("containing the file `chkconfig.ltx'.") << endl;
 378                 if (!path_shown) {
 379                         FileInfo fi(LYX_DIR);
 380                         if (!fi.exist()) {
 381                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 382                                         << "Giving up." << endl;
 383                                 exit(1);
 384                         }
 385                         lyxerr << bformat(_("Using built-in default %1$s but expect problems."),
 386                                 LYX_DIR) << endl;
 387                 } else {
 388                         lyxerr << _("Expect problems.") << endl;
 389                 }
 390                 system_lyxdir = LYX_DIR;
 391                 path_shown = true;
 392         }
 393
 394         if (!path_shown)
 395                 lyxerr[Debug::INIT] << "System directory: '"
 396                                     << system_lyxdir << '\'' << endl;
 397
 398         //
 399         // Determine user lyx-dir
 400         //
 401
 402         // Directories are searched in this order:
 403         // 1) -userdir command line parameter
 404         // 2) LYX_USERDIR_14x environment variable
 405         // 3) $HOME/.<name of binary>
 406
 407         // If we had a command line switch, user_lyxdir is already set
 408         bool explicit_userdir = true;
 409         if (user_lyxdir.empty()) {
 410
 411                 // LYX_USERDIR_14x environment variable
 412                 user_lyxdir = GetEnvPath("LYX_USERDIR_14x");
 413
 414                 // default behaviour
 415                 if (user_lyxdir.empty())
 416                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 417                                                         string(".") + PACKAGE);
 418                         explicit_userdir = false;
 419         }
 420
 421         lyxerr[Debug::INIT] << "User LyX directory: '"
 422                             <<  user_lyxdir << '\'' << endl;
 423
 424         // Check that user LyX directory is ok. We don't do that if
 425         // running in batch mode.
 426         if (gui) {
 427                 queryUserLyXDir(explicit_userdir);
 428         } else {
 429                 first_start = false;
 430         }
 431
 432         // Disable gui when easyparse says so
 433         lyx_gui::use_gui = gui;
 434
 435         if (lyxrc.template_path.empty()) {
 436                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 437         }
 438
 439         if (lyxrc.lastfiles.empty()) {
 440                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 441         }
 442
 443         if (lyxrc.roman_font_name.empty())
 444                 lyxrc.roman_font_name = lyx_gui::roman_font_name();
 445         if (lyxrc.sans_font_name.empty())
 446                 lyxrc.sans_font_name = lyx_gui::sans_font_name();
 447         if (lyxrc.typewriter_font_name.empty())
 448                 lyxrc.typewriter_font_name = lyx_gui::typewriter_font_name();
 449
 450         //
 451         // Read configuration files
 452         //
 453
 454         readRcFile("lyxrc.defaults");
 455         system_lyxrc = lyxrc;
 456         system_formats = formats;
 457         system_converters = converters;
 458         system_lcolor = lcolor;
 459
 460         string prefsfile = "preferences";
 461         // back compatibility to lyxs < 1.1.6
 462         if (LibFileSearch(string(), prefsfile).empty())
 463                 prefsfile = "lyxrc";
 464         if (!LibFileSearch(string(), prefsfile).empty())
 465                 readRcFile(prefsfile);
 466
 467         readEncodingsFile("encodings");
 468         readLanguagesFile("languages");
 469
 470         // Load the layouts
 471         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 472         LyXSetStyle();
 473
 474         // Ensure that we have really read a bind file, so that LyX is
 475         // usable.
 476         lyxrc.readBindFileIfNeeded();
 477
 478         // Read menus
 479         readUIFile(lyxrc.ui_file);
 480
 481         if (lyxerr.debugging(Debug::LYXRC))
 482                 lyxrc.print();
 483
 484         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 485         system_tempdir = os::getTmpDir();
 486         if (lyxerr.debugging(Debug::INIT)) {
 487                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 488         }
 489
 490         lyxerr[Debug::INIT] << "Reading lastfiles `"
 491                             << lyxrc.lastfiles << "'..." << endl;
 492         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 493                                       lyxrc.check_lastfiles,
 494                                       lyxrc.num_lastfiles));
 495 }
 496
 497
 498 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 499 {
 500         kbmap->bind("Right", LFUN_RIGHT);
 501         kbmap->bind("Left", LFUN_LEFT);
 502         kbmap->bind("Up", LFUN_UP);
 503         kbmap->bind("Down", LFUN_DOWN);
 504
 505         kbmap->bind("Tab", LFUN_CELL_FORWARD);
 506         kbmap->bind("ISO_Left_Tab", LFUN_CELL_FORWARD); // jbl 2001-23-02
 507
 508         kbmap->bind("Home", LFUN_HOME);
 509         kbmap->bind("End", LFUN_END);
 510         kbmap->bind("Prior", LFUN_PRIOR);
 511         kbmap->bind("Next", LFUN_NEXT);
 512
 513         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 514         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 515
 516         kbmap->bind("Delete", LFUN_DELETE);
 517         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 518
 519         // sub- and superscript -MV
 520         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 521         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 522
 523         // kbmap->bindings to enable the use of the numeric keypad
 524         // e.g. Num Lock set
 525         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 526         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 527         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 528         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 529         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 530         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 531         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 532         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 533         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 534         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 535         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 536         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 537         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 538         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 539         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 540         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 541         kbmap->bind("KP_Right", LFUN_RIGHT);
 542         kbmap->bind("KP_Left", LFUN_LEFT);
 543         kbmap->bind("KP_Up", LFUN_UP);
 544         kbmap->bind("KP_Down", LFUN_DOWN);
 545         kbmap->bind("KP_Home", LFUN_HOME);
 546         kbmap->bind("KP_End", LFUN_END);
 547         kbmap->bind("KP_Prior", LFUN_PRIOR);
 548         kbmap->bind("KP_Next", LFUN_NEXT);
 549
 550         kbmap->bind("C-Tab", LFUN_CELL_SPLIT);  // ale970515
 551         kbmap->bind("S-Tab", LFUN_CELL_BACKWARD);  // jug20000522
 552         kbmap->bind("S-ISO_Left_Tab", LFUN_CELL_BACKWARD); // jbl 2001-23-02
 553 }
 554
 555
 556 void LyX::emergencyCleanup()
 557 {
 558         // what to do about tmpfiles is non-obvious. we would
 559         // like to delete any we find, but our lyxdir might
 560         // contain documents etc. which might be helpful on
 561         // a crash
 562
 563         bufferlist.emergencyWriteAll();
 564         if (lyxserver)
 565                 lyxserver->emergencyCleanup();
 566 }
 567
 568
 569 void LyX::deadKeyBindings(kb_keymap * kbmap)
 570 {
 571         // bindKeyings for transparent handling of deadkeys
 572         // The keysyms are gotten from XFree86 X11R6
 573         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 574         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 575         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 576         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 577         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 578         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 579         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 580         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 581         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 582         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 583         // nothing with this name
 584         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 585         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 586         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 587         // nothing with this name either...
 588         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 589         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 590         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 591         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 592 }
 593
 594
 595 void LyX::queryUserLyXDir(bool explicit_userdir)
 596 {
 597         string const configure_script = AddName(system_lyxdir, "configure");
 598
 599         // Does user directory exist?
 600         FileInfo fileInfo(user_lyxdir);
 601         if (fileInfo.isOK() && fileInfo.isDir()) {
 602                 first_start = false;
 603                 FileInfo script(configure_script);
 604                 FileInfo defaults(AddName(user_lyxdir, "lyxrc.defaults"));
 605                 if (defaults.isOK() && script.isOK()
 606                     && defaults.getModificationTime() < script.getModificationTime()) {
 607                         lyxerr << _("LyX: reconfiguring user directory")
 608                                << endl;
 609                         Path p(user_lyxdir);
 610                         ::system(configure_script.c_str());
 611                         lyxerr << "LyX: " << _("Done!") << endl;
 612                 }
 613                 return;
 614         }
 615
 616         first_start = !explicit_userdir;
 617
 618         lyxerr << bformat(_("LyX: Creating directory %1$s"
 619                                   " and running configure..."), user_lyxdir) << endl;
 620
 621         if (!createDirectory(user_lyxdir, 0755)) {
 622                 // Failed, let's use $HOME instead.
 623                 user_lyxdir = GetEnvPath("HOME");
 624                 lyxerr << bformat(_("Failed. Will use %1$s instead."),
 625                         user_lyxdir) << endl;
 626                 return;
 627         }
 628
 629         // Run configure in user lyx directory
 630         Path p(user_lyxdir);
 631         ::system(configure_script.c_str());
 632         lyxerr << "LyX: " << _("Done!") << endl;
 633 }
 634
 635
 636 void LyX::readRcFile(string const & name)
 637 {
 638         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 639
 640         string const lyxrc_path = LibFileSearch(string(), name);
 641         if (!lyxrc_path.empty()) {
 642
 643                 lyxerr[Debug::INIT] << "Found " << name
 644                                     << " in " << lyxrc_path << endl;
 645
 646                 if (lyxrc.read(lyxrc_path) >= 0)
 647                         return;
 648         }
 649
 650         showFileError(name);
 651 }
 652
 653
 654 // Read the ui file `name'
 655 void LyX::readUIFile(string const & name)
 656 {
 657         enum Uitags {
 658                 ui_menuset = 1,
 659                 ui_toolbar,
 660                 ui_toolbars,
 661                 ui_include,
 662                 ui_last
 663         };
 664
 665         struct keyword_item uitags[ui_last - 1] = {
 666                 { "include", ui_include },
 667                 { "menuset", ui_menuset },
 668                 { "toolbar", ui_toolbar },
 669                 { "toolbars", ui_toolbars }
 670         };
 671
 672         // Ensure that a file is read only once (prevents include loops)
 673         static std::list<string> uifiles;
 674         std::list<string>::const_iterator it  = uifiles.begin();
 675         std::list<string>::const_iterator end = uifiles.end();
 676         it = std::find(it, end, name);
 677         if (it != end) {
 678                 lyxerr[Debug::INIT] << "UI file '" << name
 679                                     << "' has been read already. "
 680                                     << "Is this an include loop?"
 681                                     << endl;
 682                 return;
 683         }
 684
 685         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 686
 687         string const ui_path = LibFileSearch("ui", name, "ui");
 688
 689         if (ui_path.empty()) {
 690                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 691                 showFileError(name);
 692                 return;
 693         }
 694         uifiles.push_back(name);
 695
 696         lyxerr[Debug::INIT] << "Found " << name
 697                             << " in " << ui_path << endl;
 698         LyXLex lex(uitags, ui_last - 1);
 699         lex.setFile(ui_path);
 700         if (!lex.isOK()) {
 701                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 702                        << endl;
 703         }
 704
 705         if (lyxerr.debugging(Debug::PARSER))
 706                 lex.printTable(lyxerr);
 707
 708         while (lex.isOK()) {
 709                 switch (lex.lex()) {
 710                 case ui_include: {
 711                         lex.next(true);
 712                         string const file = lex.getString();
 713                         readUIFile(file);
 714                         break;
 715                 }
 716                 case ui_menuset:
 717                         menubackend.read(lex);
 718                         break;
 719
 720                 case ui_toolbar:
 721                         toolbarbackend.read(lex);
 722                         break;
 723
 724                 case ui_toolbars:
 725                         toolbarbackend.readToolbars(lex);
 726                         break;
 727
 728                 default:
 729                         if (!rtrim(lex.getString()).empty())
 730                                 lex.printError("LyX::ReadUIFile: "
 731                                                "Unknown menu tag: `$$Token'");
 732                         break;
 733                 }
 734         }
 735 }
 736
 737
 738 // Read the languages file `name'
 739 void LyX::readLanguagesFile(string const & name)
 740 {
 741         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 742
 743         string const lang_path = LibFileSearch(string(), name);
 744         if (lang_path.empty()) {
 745                 showFileError(name);
 746                 return;
 747         }
 748         languages.read(lang_path);
 749 }
 750
 751
 752 // Read the encodings file `name'
 753 void LyX::readEncodingsFile(string const & name)
 754 {
 755         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 756
 757         string const enc_path = LibFileSearch(string(), name);
 758         if (enc_path.empty()) {
 759                 showFileError(name);
 760                 return;
 761         }
 762         encodings.read(enc_path);
 763 }
 764
 765
 766 namespace {
 767
 768 bool is_gui = true;
 769 string batch;
 770
 771 /// return the the number of arguments consumed
 772 typedef boost::function<int(string const &, string const &)> cmd_helper;
 773
 774 int parse_dbg(string const & arg, string const &)
 775 {
 776         if (arg.empty()) {
 777                 lyxerr << _("List of supported debug flags:") << endl;
 778                 Debug::showTags(lyxerr);
 779                 exit(0);
 780         }
 781         lyxerr << bformat(_("Setting debug level to %1$s"), arg) << endl;
 782
 783         lyxerr.level(Debug::value(arg));
 784         Debug::showLevel(lyxerr, lyxerr.level());
 785         return 1;
 786 }
 787
 788
 789 int parse_help(string const &, string const &)
 790 {
 791         lyxerr <<
 792                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 793                   "Command line switches (case sensitive):\n"
 794                   "\t-help              summarize LyX usage\n"
 795                   "\t-userdir dir       try to set user directory to dir\n"
 796                   "\t-sysdir dir        try to set system directory to dir\n"
 797                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 798                   "\t-dbg feature[,feature]...\n"
 799                   "                  select the features to debug.\n"
 800                   "                  Type `lyx -dbg' to see the list of features\n"
 801                   "\t-x [--execute] command\n"
 802                   "                  where command is a lyx command.\n"
 803                   "\t-e [--export] fmt\n"
 804                   "                  where fmt is the export format of choice.\n"
 805                   "\t-i [--import] fmt file.xxx\n"
 806                   "                  where fmt is the import format of choice\n"
 807                   "                  and file.xxx is the file to be imported.\n"
 808                   "\t-version        summarize version and build info\n"
 809                   "Check the LyX man page for more details.") << endl;
 810         exit(0);
 811         return 0;
 812 }
 813
 814 int parse_version(string const &, string const &)
 815 {
 816         lyxerr << "LyX " << lyx_version
 817                << " of " << lyx_release_date << endl;
 818         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 819
 820         lyxerr << lyx_version_info << endl;
 821         exit(0);
 822         return 0;
 823 }
 824
 825 int parse_sysdir(string const & arg, string const &)
 826 {
 827         if (arg.empty()) {
 828                 lyxerr << _("Missing directory for -sysdir switch") << endl;
 829                 exit(1);
 830         }
 831         system_lyxdir = arg;
 832         return 1;
 833 }
 834
 835 int parse_userdir(string const & arg, string const &)
 836 {
 837         if (arg.empty()) {
 838                 lyxerr << _("Missing directory for -userdir switch") << endl;
 839                 exit(1);
 840         }
 841         user_lyxdir = arg;
 842         return 1;
 843 }
 844
 845 int parse_execute(string const & arg, string const &)
 846 {
 847         if (arg.empty()) {
 848                 lyxerr << _("Missing command string after --execute switch") << endl;
 849                 exit(1);
 850         }
 851         batch = arg;
 852         // Argh. Setting gui to false segfaults..
 853         // FIXME: when ? how ?
 854         // is_gui = false;
 855         return 1;
 856 }
 857
 858 int parse_export(string const & type, string const &)
 859 {
 860         if (type.empty()) {
 861                 lyxerr << _("Missing file type [eg latex, ps...] after "
 862                         "--export switch") << endl;
 863                 exit(1);
 864         }
 865         batch = "buffer-export " + type;
 866         is_gui = false;
 867         return 1;
 868 }
 869
 870 int parse_import(string const & type, string const & file)
 871 {
 872         if (type.empty()) {
 873                 lyxerr << _("Missing file type [eg latex, ps...] after "
 874                         "--import switch") << endl;
 875                 exit(1);
 876         }
 877         if (file.empty()) {
 878                 lyxerr << _("Missing filename for --import") << endl;
 879                 exit(1);
 880         }
 881
 882         batch = "buffer-import " + type + ' ' + file;
 883         return 2;
 884 }
 885
 886 } // namespace anon
 887
 888
 889 bool LyX::easyParse(int & argc, char * argv[])
 890 {
 891         std::map<string, cmd_helper> cmdmap;
 892
 893         cmdmap["-dbg"] = parse_dbg;
 894         cmdmap["-help"] = parse_help;
 895         cmdmap["--help"] = parse_help;
 896         cmdmap["-version"] = parse_version;
 897         cmdmap["--version"] = parse_version;
 898         cmdmap["-sysdir"] = parse_sysdir;
 899         cmdmap["-userdir"] = parse_userdir;
 900         cmdmap["-x"] = parse_execute;
 901         cmdmap["--execute"] = parse_execute;
 902         cmdmap["-e"] = parse_export;
 903         cmdmap["--export"] = parse_export;
 904         cmdmap["-i"] = parse_import;
 905         cmdmap["--import"] = parse_import;
 906
 907         for (int i = 1; i < argc; ++i) {
 908                 std::map<string, cmd_helper>::const_iterator it
 909                         = cmdmap.find(argv[i]);
 910
 911                 // don't complain if not found - may be parsed later
 912                 if (it == cmdmap.end())
 913                         continue;
 914
 915                 string arg((i + 1 < argc) ? argv[i + 1] : "");
 916                 string arg2((i + 2 < argc) ? argv[i + 2] : "");
 917
 918                 int const remove = 1 + it->second(arg, arg2);
 919
 920                 // Now, remove used arguments by shifting
 921                 // the following ones remove places down.
 922                 argc -= remove;
 923                 for (int j = i; j < argc; ++j)
 924                         argv[j] = argv[j + remove];
 925                 --i;
 926         }
 927
 928         batch_command = batch;
 929
 930         return is_gui;
 931 }