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
 146                 lyxerr[Debug::INIT] << "About to handle -x '"
 147                        << batch_command << '\'' << endl;
 148
 149                 Buffer * last_loaded = 0;
 150
 151                 vector<string>::const_iterator it = files.begin();
 152                 vector<string>::const_iterator end = files.end();
 153
 154                 for (; it != end; ++it) {
 155                         // get absolute path of file and add ".lyx" to
 156                         // the filename if necessary
 157                         string s = FileSearch(string(), *it, "lyx");
 158                         if (s.empty()) {
 159                                 last_loaded = newFile(*it, "");
 160                         } else {
 161                                 last_loaded = bufferlist.newBuffer(s, false);
 162                                 last_loaded->error.connect(boost::bind(&LyX::printError, this, _1));
 163                                 if (!loadLyXFile(last_loaded, s)) {
 164                                         bufferlist.release(last_loaded);
 165                                         last_loaded = newFile(*it, string());
 166                                 }
 167                         }
 168                 }
 169
 170                 // try to dispatch to last loaded buffer first
 171                 if (last_loaded) {
 172                         bool success = false;
 173                         if (last_loaded->dispatch(batch_command, &success)) {
 174                                 QuitLyX();
 175                                 exit(!success);
 176                         }
 177                 }
 178                 files.clear(); // the files are already loaded
 179         }
 180
 181         lyx_gui::start(batch_command, files);
 182 }
 183
 184
 185 extern "C" {
 186
 187 static void error_handler(int err_sig)
 188 {
 189         switch (err_sig) {
 190         case SIGHUP:
 191                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 192                 break;
 193         case SIGINT:
 194                 // no comments
 195                 break;
 196         case SIGFPE:
 197                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 198                 break;
 199         case SIGSEGV:
 200                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 201                 lyxerr <<
 202                         "Sorry, you have found a bug in LyX. "
 203                         "Please read the bug-reporting instructions "
 204                         "in Help->Introduction and send us a bug report, "
 205                         "if necessary. Thanks !" << endl;
 206                 break;
 207         case SIGTERM:
 208                 // no comments
 209                 break;
 210         }
 211
 212         // Deinstall the signal handlers
 213         signal(SIGHUP, SIG_DFL);
 214         signal(SIGINT, SIG_DFL);
 215         signal(SIGFPE, SIG_DFL);
 216         signal(SIGSEGV, SIG_DFL);
 217         signal(SIGTERM, SIG_DFL);
 218
 219         LyX::emergencyCleanup();
 220
 221         lyxerr << "Bye." << endl;
 222         if (err_sig!= SIGHUP &&
 223            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 224                 lyx::support::abort();
 225         exit(0);
 226 }
 227
 228 }
 229
 230
 231 void LyX::printError(ErrorItem const & ei)
 232 {
 233         std::cerr << _("LyX: ") << ei.error
 234                   << ':' << ei.description << std::endl;
 235
 236 }
 237
 238
 239 void LyX::init(bool gui)
 240 {
 241         signal(SIGHUP, error_handler);
 242         signal(SIGFPE, error_handler);
 243         signal(SIGSEGV, error_handler);
 244         signal(SIGINT, error_handler);
 245         signal(SIGTERM, error_handler);
 246
 247         //
 248         // Determine path of binary
 249         //
 250
 251         string binpath = os::binpath();
 252         string binname = os::binname();
 253         string fullbinname = MakeAbsPath(binname, binpath);
 254
 255         if (binpath.empty()) {
 256                 lyxerr << _("Warning: could not determine path of binary.")
 257                        << "\n"
 258                        << _("If you have problems, try starting LyX with an absolute path.")
 259                        << endl;
 260         }
 261         lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
 262         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 263
 264         //
 265         // Determine system directory.
 266         //
 267
 268         // Directories are searched in this order:
 269         // 1) -sysdir command line parameter
 270         // 2) LYX_DIR_14x environment variable
 271         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 272         // 4) <path of binary>/../share/<name of binary>/
 273         // 4a) repeat 4 after following the Symlink if <path of
 274         //     binary> is a symbolic link.
 275         // 5) hardcoded lyx_dir
 276         // The directory is checked for the presence of the file
 277         // "chkconfig.ltx", and if that is present, the directory
 278         // is accepted as the system directory.
 279         // If no chkconfig.ltx file is found, a warning is given,
 280         // and the hardcoded lyx_dir is used.
 281
 282         // If we had a command line switch, system_lyxdir is already set
 283         string searchpath;
 284         if (!system_lyxdir.empty())
 285                 searchpath = MakeAbsPath(system_lyxdir) + ';';
 286
 287         string const lyxdir = GetEnvPath("LYX_DIR_14x");
 288
 289         if (!lyxdir.empty()) {
 290                 lyxerr[Debug::INIT] << "LYX_DIR_14x: " << lyxdir << endl;
 291                 searchpath += lyxdir + ';';
 292         }
 293
 294         string fullbinpath = binpath;
 295         FileInfo file(fullbinname, true);
 296         if (file.isLink()) {
 297                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 298                 string link;
 299                 if (LyXReadLink(fullbinname, link, true)) {
 300                         // Path of binary/../share/name of binary/
 301                         searchpath += NormalizePath(AddPath(binpath,
 302                                                             "../share/")
 303                                                     + OnlyFilename(binname));
 304                         searchpath += ';';
 305                         fullbinpath = link;
 306                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 307                 }
 308         }
 309
 310         bool followlink;
 311         do {
 312                 // Path of binary/../share/name of binary/
 313                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 314                       OnlyFilename(binname)) + ';';
 315
 316                 // Follow Symlinks
 317                 FileInfo file(fullbinpath, true);
 318                 followlink = file.isLink();
 319                 if (followlink) {
 320                         lyxerr[Debug::INIT] << " directory " << fullbinpath
 321                                             << " is a link" << endl;
 322                         string link;
 323                         if (LyXReadLink(fullbinpath, link, true)) {
 324                                 fullbinpath = link;
 325                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 326                         }
 327                         else {
 328                                 followlink = false;
 329                         }
 330                 }
 331         } while (followlink);
 332
 333         // <path of binary>/TOP_SRCDIR/lib
 334         build_lyxdir = MakeAbsPath("../lib", binpath);
 335         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 336                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 337                                           binpath) + ';';
 338                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 339                         "place... yes" << endl;
 340         } else {
 341                 lyxerr[Debug::INIT]
 342                         << "Checking whether LyX is run in place... no"
 343                         << endl;
 344                 build_lyxdir.erase();
 345         }
 346
 347         // Hardcoded dir
 348         searchpath += LYX_DIR;
 349
 350         lyxerr[Debug::INIT] << "System directory search path: "
 351                             << searchpath << endl;
 352
 353         string const filename = "chkconfig.ltx";
 354         string const temp = FileOpenSearch(searchpath, filename, string());
 355         system_lyxdir = OnlyPath(temp);
 356
 357         // Reduce "path/../path" stuff out of system directory
 358         system_lyxdir = NormalizePath(system_lyxdir);
 359
 360         bool path_shown = false;
 361
 362         // Warn if environment variable is set, but unusable
 363         if (!lyxdir.empty()) {
 364                 if (system_lyxdir != NormalizePath(lyxdir)) {
 365                         lyxerr <<_("LYX_DIR_14x environment variable no good.")
 366                                << '\n'
 367                                << _("System directory set to: ")
 368                                << system_lyxdir << endl;
 369                         path_shown = true;
 370                 }
 371         }
 372
 373         // Warn the user if we couldn't find "chkconfig.ltx"
 374         if (system_lyxdir == "./") {
 375                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 376                        <<_("Try the '-sysdir' command line parameter or ")
 377                        <<_("set the environment variable LYX_DIR_14x to the "
 378                            "LyX system directory ")
 379                        << _("containing the file `chkconfig.ltx'.") << endl;
 380                 if (!path_shown) {
 381                         FileInfo fi(LYX_DIR);
 382                         if (!fi.exist()) {
 383                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 384                                         << "Giving up." << endl;
 385                                 exit(1);
 386                         }
 387                         lyxerr << bformat(_("Using built-in default %1$s but expect problems."),
 388                                 LYX_DIR) << endl;
 389                 } else {
 390                         lyxerr << _("Expect problems.") << endl;
 391                 }
 392                 system_lyxdir = LYX_DIR;
 393                 path_shown = true;
 394         }
 395
 396         if (!path_shown)
 397                 lyxerr[Debug::INIT] << "System directory: '"
 398                                     << system_lyxdir << '\'' << endl;
 399
 400         //
 401         // Determine user lyx-dir
 402         //
 403
 404         // Directories are searched in this order:
 405         // 1) -userdir command line parameter
 406         // 2) LYX_USERDIR_14x environment variable
 407         // 3) $HOME/.<name of binary>
 408
 409         // If we had a command line switch, user_lyxdir is already set
 410         bool explicit_userdir = true;
 411         if (user_lyxdir.empty()) {
 412
 413                 // LYX_USERDIR_14x environment variable
 414                 user_lyxdir = GetEnvPath("LYX_USERDIR_14x");
 415
 416                 // default behaviour
 417                 if (user_lyxdir.empty())
 418                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 419                                                         string(".") + PACKAGE);
 420                         explicit_userdir = false;
 421         }
 422
 423         lyxerr[Debug::INIT] << "User LyX directory: '"
 424                             <<  user_lyxdir << '\'' << endl;
 425
 426         // Check that user LyX directory is ok. We don't do that if
 427         // running in batch mode.
 428         if (gui) {
 429                 queryUserLyXDir(explicit_userdir);
 430         } else {
 431                 first_start = false;
 432         }
 433
 434         // Disable gui when easyparse says so
 435         lyx_gui::use_gui = gui;
 436
 437         if (lyxrc.template_path.empty()) {
 438                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 439         }
 440
 441         if (lyxrc.lastfiles.empty()) {
 442                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 443         }
 444
 445         if (lyxrc.roman_font_name.empty())
 446                 lyxrc.roman_font_name = lyx_gui::roman_font_name();
 447         if (lyxrc.sans_font_name.empty())
 448                 lyxrc.sans_font_name = lyx_gui::sans_font_name();
 449         if (lyxrc.typewriter_font_name.empty())
 450                 lyxrc.typewriter_font_name = lyx_gui::typewriter_font_name();
 451
 452         //
 453         // Read configuration files
 454         //
 455
 456         readRcFile("lyxrc.defaults");
 457         system_lyxrc = lyxrc;
 458         system_formats = formats;
 459         system_converters = converters;
 460         system_lcolor = lcolor;
 461
 462         string prefsfile = "preferences";
 463         // back compatibility to lyxs < 1.1.6
 464         if (LibFileSearch(string(), prefsfile).empty())
 465                 prefsfile = "lyxrc";
 466         if (!LibFileSearch(string(), prefsfile).empty())
 467                 readRcFile(prefsfile);
 468
 469         readEncodingsFile("encodings");
 470         readLanguagesFile("languages");
 471
 472         // Load the layouts
 473         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 474         LyXSetStyle();
 475
 476         // Ensure that we have really read a bind file, so that LyX is
 477         // usable.
 478         lyxrc.readBindFileIfNeeded();
 479
 480         // Read menus
 481         readUIFile(lyxrc.ui_file);
 482
 483         if (lyxerr.debugging(Debug::LYXRC))
 484                 lyxrc.print();
 485
 486         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 487         system_tempdir = os::getTmpDir();
 488         if (lyxerr.debugging(Debug::INIT)) {
 489                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 490         }
 491
 492         lyxerr[Debug::INIT] << "Reading lastfiles `"
 493                             << lyxrc.lastfiles << "'..." << endl;
 494         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 495                                       lyxrc.check_lastfiles,
 496                                       lyxrc.num_lastfiles));
 497 }
 498
 499
 500 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 501 {
 502         kbmap->bind("Right", LFUN_RIGHT);
 503         kbmap->bind("Left", LFUN_LEFT);
 504         kbmap->bind("Up", LFUN_UP);
 505         kbmap->bind("Down", LFUN_DOWN);
 506
 507         kbmap->bind("Tab", LFUN_CELL_FORWARD);
 508         kbmap->bind("ISO_Left_Tab", LFUN_CELL_FORWARD); // jbl 2001-23-02
 509
 510         kbmap->bind("Home", LFUN_HOME);
 511         kbmap->bind("End", LFUN_END);
 512         kbmap->bind("Prior", LFUN_PRIOR);
 513         kbmap->bind("Next", LFUN_NEXT);
 514
 515         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 516         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 517
 518         kbmap->bind("Delete", LFUN_DELETE);
 519         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 520
 521         // sub- and superscript -MV
 522         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 523         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 524
 525         // kbmap->bindings to enable the use of the numeric keypad
 526         // e.g. Num Lock set
 527         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 528         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 529         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 530         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 531         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 532         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 533         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 534         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 535         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 536         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 537         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 538         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 539         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 540         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 541         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 542         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 543         kbmap->bind("KP_Right", LFUN_RIGHT);
 544         kbmap->bind("KP_Left", LFUN_LEFT);
 545         kbmap->bind("KP_Up", LFUN_UP);
 546         kbmap->bind("KP_Down", LFUN_DOWN);
 547         kbmap->bind("KP_Home", LFUN_HOME);
 548         kbmap->bind("KP_End", LFUN_END);
 549         kbmap->bind("KP_Prior", LFUN_PRIOR);
 550         kbmap->bind("KP_Next", LFUN_NEXT);
 551
 552         kbmap->bind("C-Tab", LFUN_CELL_SPLIT);  // ale970515
 553         kbmap->bind("S-Tab", LFUN_CELL_BACKWARD);  // jug20000522
 554         kbmap->bind("S-ISO_Left_Tab", LFUN_CELL_BACKWARD); // jbl 2001-23-02
 555 }
 556
 557
 558 void LyX::emergencyCleanup()
 559 {
 560         // what to do about tmpfiles is non-obvious. we would
 561         // like to delete any we find, but our lyxdir might
 562         // contain documents etc. which might be helpful on
 563         // a crash
 564
 565         bufferlist.emergencyWriteAll();
 566         if (lyxserver)
 567                 lyxserver->emergencyCleanup();
 568 }
 569
 570
 571 void LyX::deadKeyBindings(kb_keymap * kbmap)
 572 {
 573         // bindKeyings for transparent handling of deadkeys
 574         // The keysyms are gotten from XFree86 X11R6
 575         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 576         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 577         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 578         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 579         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 580         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 581         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 582         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 583         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 584         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 585         // nothing with this name
 586         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 587         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 588         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 589         // nothing with this name either...
 590         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 591         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 592         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 593         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 594 }
 595
 596
 597 void LyX::queryUserLyXDir(bool explicit_userdir)
 598 {
 599         string const configure_script = AddName(system_lyxdir, "configure");
 600
 601         // Does user directory exist?
 602         FileInfo fileInfo(user_lyxdir);
 603         if (fileInfo.isOK() && fileInfo.isDir()) {
 604                 first_start = false;
 605                 FileInfo script(configure_script);
 606                 FileInfo defaults(AddName(user_lyxdir, "lyxrc.defaults"));
 607                 if (defaults.isOK() && script.isOK()
 608                     && defaults.getModificationTime() < script.getModificationTime()) {
 609                         lyxerr << _("LyX: reconfiguring user directory")
 610                                << endl;
 611                         Path p(user_lyxdir);
 612                         ::system(configure_script.c_str());
 613                         lyxerr << "LyX: " << _("Done!") << endl;
 614                 }
 615                 return;
 616         }
 617
 618         first_start = !explicit_userdir;
 619
 620         lyxerr << bformat(_("LyX: Creating directory %1$s"
 621                                   " and running configure..."), user_lyxdir) << endl;
 622
 623         if (!createDirectory(user_lyxdir, 0755)) {
 624                 // Failed, let's use $HOME instead.
 625                 user_lyxdir = GetEnvPath("HOME");
 626                 lyxerr << bformat(_("Failed. Will use %1$s instead."),
 627                         user_lyxdir) << endl;
 628                 return;
 629         }
 630
 631         // Run configure in user lyx directory
 632         Path p(user_lyxdir);
 633         ::system(configure_script.c_str());
 634         lyxerr << "LyX: " << _("Done!") << endl;
 635 }
 636
 637
 638 void LyX::readRcFile(string const & name)
 639 {
 640         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 641
 642         string const lyxrc_path = LibFileSearch(string(), name);
 643         if (!lyxrc_path.empty()) {
 644
 645                 lyxerr[Debug::INIT] << "Found " << name
 646                                     << " in " << lyxrc_path << endl;
 647
 648                 if (lyxrc.read(lyxrc_path) >= 0)
 649                         return;
 650         }
 651
 652         showFileError(name);
 653 }
 654
 655
 656 // Read the ui file `name'
 657 void LyX::readUIFile(string const & name)
 658 {
 659         enum Uitags {
 660                 ui_menuset = 1,
 661                 ui_toolbar,
 662                 ui_toolbars,
 663                 ui_include,
 664                 ui_last
 665         };
 666
 667         struct keyword_item uitags[ui_last - 1] = {
 668                 { "include", ui_include },
 669                 { "menuset", ui_menuset },
 670                 { "toolbar", ui_toolbar },
 671                 { "toolbars", ui_toolbars }
 672         };
 673
 674         // Ensure that a file is read only once (prevents include loops)
 675         static std::list<string> uifiles;
 676         std::list<string>::const_iterator it  = uifiles.begin();
 677         std::list<string>::const_iterator end = uifiles.end();
 678         it = std::find(it, end, name);
 679         if (it != end) {
 680                 lyxerr[Debug::INIT] << "UI file '" << name
 681                                     << "' has been read already. "
 682                                     << "Is this an include loop?"
 683                                     << endl;
 684                 return;
 685         }
 686
 687         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 688
 689         string const ui_path = LibFileSearch("ui", name, "ui");
 690
 691         if (ui_path.empty()) {
 692                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 693                 showFileError(name);
 694                 return;
 695         }
 696         uifiles.push_back(name);
 697
 698         lyxerr[Debug::INIT] << "Found " << name
 699                             << " in " << ui_path << endl;
 700         LyXLex lex(uitags, ui_last - 1);
 701         lex.setFile(ui_path);
 702         if (!lex.isOK()) {
 703                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 704                        << endl;
 705         }
 706
 707         if (lyxerr.debugging(Debug::PARSER))
 708                 lex.printTable(lyxerr);
 709
 710         while (lex.isOK()) {
 711                 switch (lex.lex()) {
 712                 case ui_include: {
 713                         lex.next(true);
 714                         string const file = lex.getString();
 715                         readUIFile(file);
 716                         break;
 717                 }
 718                 case ui_menuset:
 719                         menubackend.read(lex);
 720                         break;
 721
 722                 case ui_toolbar:
 723                         toolbarbackend.read(lex);
 724                         break;
 725
 726                 case ui_toolbars:
 727                         toolbarbackend.readToolbars(lex);
 728                         break;
 729
 730                 default:
 731                         if (!rtrim(lex.getString()).empty())
 732                                 lex.printError("LyX::ReadUIFile: "
 733                                                "Unknown menu tag: `$$Token'");
 734                         break;
 735                 }
 736         }
 737 }
 738
 739
 740 // Read the languages file `name'
 741 void LyX::readLanguagesFile(string const & name)
 742 {
 743         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 744
 745         string const lang_path = LibFileSearch(string(), name);
 746         if (lang_path.empty()) {
 747                 showFileError(name);
 748                 return;
 749         }
 750         languages.read(lang_path);
 751 }
 752
 753
 754 // Read the encodings file `name'
 755 void LyX::readEncodingsFile(string const & name)
 756 {
 757         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 758
 759         string const enc_path = LibFileSearch(string(), name);
 760         if (enc_path.empty()) {
 761                 showFileError(name);
 762                 return;
 763         }
 764         encodings.read(enc_path);
 765 }
 766
 767
 768 namespace {
 769
 770 bool is_gui = true;
 771 string batch;
 772
 773 /// return the the number of arguments consumed
 774 typedef boost::function<int(string const &, string const &)> cmd_helper;
 775
 776 int parse_dbg(string const & arg, string const &)
 777 {
 778         if (arg.empty()) {
 779                 lyxerr << _("List of supported debug flags:") << endl;
 780                 Debug::showTags(lyxerr);
 781                 exit(0);
 782         }
 783         lyxerr << bformat(_("Setting debug level to %1$s"), arg) << endl;
 784
 785         lyxerr.level(Debug::value(arg));
 786         Debug::showLevel(lyxerr, lyxerr.level());
 787         return 1;
 788 }
 789
 790
 791 int parse_help(string const &, string const &)
 792 {
 793         lyxerr <<
 794                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 795                   "Command line switches (case sensitive):\n"
 796                   "\t-help              summarize LyX usage\n"
 797                   "\t-userdir dir       try to set user directory to dir\n"
 798                   "\t-sysdir dir        try to set system directory to dir\n"
 799                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 800                   "\t-dbg feature[,feature]...\n"
 801                   "                  select the features to debug.\n"
 802                   "                  Type `lyx -dbg' to see the list of features\n"
 803                   "\t-x [--execute] command\n"
 804                   "                  where command is a lyx command.\n"
 805                   "\t-e [--export] fmt\n"
 806                   "                  where fmt is the export format of choice.\n"
 807                   "\t-i [--import] fmt file.xxx\n"
 808                   "                  where fmt is the import format of choice\n"
 809                   "                  and file.xxx is the file to be imported.\n"
 810                   "\t-version        summarize version and build info\n"
 811                   "Check the LyX man page for more details.") << endl;
 812         exit(0);
 813         return 0;
 814 }
 815
 816 int parse_version(string const &, string const &)
 817 {
 818         lyxerr << "LyX " << lyx_version
 819                << " of " << lyx_release_date << endl;
 820         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 821
 822         lyxerr << lyx_version_info << endl;
 823         exit(0);
 824         return 0;
 825 }
 826
 827 int parse_sysdir(string const & arg, string const &)
 828 {
 829         if (arg.empty()) {
 830                 lyxerr << _("Missing directory for -sysdir switch") << endl;
 831                 exit(1);
 832         }
 833         system_lyxdir = arg;
 834         return 1;
 835 }
 836
 837 int parse_userdir(string const & arg, string const &)
 838 {
 839         if (arg.empty()) {
 840                 lyxerr << _("Missing directory for -userdir switch") << endl;
 841                 exit(1);
 842         }
 843         user_lyxdir = arg;
 844         return 1;
 845 }
 846
 847 int parse_execute(string const & arg, string const &)
 848 {
 849         if (arg.empty()) {
 850                 lyxerr << _("Missing command string after --execute switch") << endl;
 851                 exit(1);
 852         }
 853         batch = arg;
 854         // Argh. Setting gui to false segfaults..
 855         // FIXME: when ? how ?
 856         // is_gui = false;
 857         return 1;
 858 }
 859
 860 int parse_export(string const & type, string const &)
 861 {
 862         if (type.empty()) {
 863                 lyxerr << _("Missing file type [eg latex, ps...] after "
 864                         "--export switch") << endl;
 865                 exit(1);
 866         }
 867         batch = "buffer-export " + type;
 868         is_gui = false;
 869         return 1;
 870 }
 871
 872 int parse_import(string const & type, string const & file)
 873 {
 874         if (type.empty()) {
 875                 lyxerr << _("Missing file type [eg latex, ps...] after "
 876                         "--import switch") << endl;
 877                 exit(1);
 878         }
 879         if (file.empty()) {
 880                 lyxerr << _("Missing filename for --import") << endl;
 881                 exit(1);
 882         }
 883
 884         batch = "buffer-import " + type + ' ' + file;
 885         return 2;
 886 }
 887
 888 } // namespace anon
 889
 890
 891 bool LyX::easyParse(int & argc, char * argv[])
 892 {
 893         std::map<string, cmd_helper> cmdmap;
 894
 895         cmdmap["-dbg"] = parse_dbg;
 896         cmdmap["-help"] = parse_help;
 897         cmdmap["--help"] = parse_help;
 898         cmdmap["-version"] = parse_version;
 899         cmdmap["--version"] = parse_version;
 900         cmdmap["-sysdir"] = parse_sysdir;
 901         cmdmap["-userdir"] = parse_userdir;
 902         cmdmap["-x"] = parse_execute;
 903         cmdmap["--execute"] = parse_execute;
 904         cmdmap["-e"] = parse_export;
 905         cmdmap["--export"] = parse_export;
 906         cmdmap["-i"] = parse_import;
 907         cmdmap["--import"] = parse_import;
 908
 909         for (int i = 1; i < argc; ++i) {
 910                 std::map<string, cmd_helper>::const_iterator it
 911                         = cmdmap.find(argv[i]);
 912
 913                 // don't complain if not found - may be parsed later
 914                 if (it == cmdmap.end())
 915                         continue;
 916
 917                 string arg((i + 1 < argc) ? argv[i + 1] : "");
 918                 string arg2((i + 2 < argc) ? argv[i + 2] : "");
 919
 920                 int const remove = 1 + it->second(arg, arg2);
 921
 922                 // Now, remove used arguments by shifting
 923                 // the following ones remove places down.
 924                 argc -= remove;
 925                 for (int j = i; j < argc; ++j)
 926                         argv[j] = argv[j + remove];
 927                 --i;
 928         }
 929
 930         batch_command = batch;
 931
 932         return is_gui;
 933 }