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>::iterator it = files.begin();
 147                 vector<string>::iterator end = files.end();
 148                 for (; it != end; ++it) {
 149                         last_loaded = bufferlist.newBuffer(*it, false);
 150                         last_loaded->parseError.connect(boost::bind(&LyX::printError, this, _1));
 151                         loadLyXFile(last_loaded, *it);
 152                 }
 153
 154                 files.clear();
 155
 156                 // no buffer loaded, create one
 157                 string const tmpfile = "tmpfile";
 158                 if (!last_loaded)
 159                         last_loaded = newFile(tmpfile, string());
 160
 161                 bool success = false;
 162
 163                 // try to dispatch to last loaded buffer first
 164                 bool const dispatched = last_loaded->dispatch(batch_command, &success);
 165
 166                 if (dispatched) {
 167                         QuitLyX();
 168                         exit(!success);
 169                 }
 170         }
 171
 172         lyx_gui::start(batch_command, files);
 173 }
 174
 175
 176 extern "C" {
 177
 178 static void error_handler(int err_sig)
 179 {
 180         switch (err_sig) {
 181         case SIGHUP:
 182                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 183                 break;
 184         case SIGINT:
 185                 // no comments
 186                 break;
 187         case SIGFPE:
 188                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 189                 break;
 190         case SIGSEGV:
 191                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 192                 lyxerr <<
 193                         "Sorry, you have found a bug in LyX. "
 194                         "Please read the bug-reporting instructions "
 195                         "in Help->Introduction and send us a bug report, "
 196                         "if necessary. Thanks !" << endl;
 197                 break;
 198         case SIGTERM:
 199                 // no comments
 200                 break;
 201         }
 202
 203         // Deinstall the signal handlers
 204         signal(SIGHUP, SIG_DFL);
 205         signal(SIGINT, SIG_DFL);
 206         signal(SIGFPE, SIG_DFL);
 207         signal(SIGSEGV, SIG_DFL);
 208         signal(SIGTERM, SIG_DFL);
 209
 210         LyX::emergencyCleanup();
 211
 212         lyxerr << "Bye." << endl;
 213         if (err_sig!= SIGHUP &&
 214            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 215                 lyx::abort();
 216         exit(0);
 217 }
 218
 219 }
 220
 221
 222 void LyX::printError(ErrorItem const & ei)
 223 {
 224         std::cerr << _("LyX: ") << ei.error
 225                   << ':' << ei.description << std::endl;
 226
 227 }
 228
 229
 230 void LyX::init(bool gui)
 231 {
 232         signal(SIGHUP, error_handler);
 233         signal(SIGFPE, error_handler);
 234         signal(SIGSEGV, error_handler);
 235         signal(SIGINT, error_handler);
 236         signal(SIGTERM, error_handler);
 237
 238         //
 239         // Determine path of binary
 240         //
 241
 242         string binpath = os::binpath();
 243         string binname = os::binname();
 244         string fullbinname = MakeAbsPath(binname, binpath);
 245
 246         if (binpath.empty()) {
 247                 lyxerr << _("Warning: could not determine path of binary.")
 248                        << "\n"
 249                        << _("If you have problems, try starting LyX with an absolute path.")
 250                        << endl;
 251         }
 252         lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
 253         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 254
 255         //
 256         // Determine system directory.
 257         //
 258
 259         // Directories are searched in this order:
 260         // 1) -sysdir command line parameter
 261         // 2) LYX_DIR_13x environment variable
 262         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 263         // 4) <path of binary>/../share/<name of binary>/
 264         // 4a) repeat 4 after following the Symlink if <path of
 265         //     binary> is a symbolic link.
 266         // 5) hardcoded lyx_dir
 267         // The directory is checked for the presence of the file
 268         // "chkconfig.ltx", and if that is present, the directory
 269         // is accepted as the system directory.
 270         // If no chkconfig.ltx file is found, a warning is given,
 271         // and the hardcoded lyx_dir is used.
 272
 273         // If we had a command line switch, system_lyxdir is already set
 274         string searchpath;
 275         if (!system_lyxdir.empty())
 276                 searchpath = MakeAbsPath(system_lyxdir) + ';';
 277
 278         string const lyxdir = GetEnvPath("LYX_DIR_13x");
 279
 280         if (!lyxdir.empty()) {
 281                 lyxerr[Debug::INIT] << "LYX_DIR_13x: " << lyxdir << endl;
 282                 searchpath += lyxdir + ';';
 283         }
 284
 285         string fullbinpath = binpath;
 286         FileInfo file(fullbinname, true);
 287         if (file.isLink()) {
 288                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 289                 string link;
 290                 if (LyXReadLink(fullbinname, link, true)) {
 291                         // Path of binary/../share/name of binary/
 292                         searchpath += NormalizePath(AddPath(binpath,
 293                                                             "../share/")
 294                                                     + OnlyFilename(binname));
 295                         searchpath += ';';
 296                         fullbinpath = link;
 297                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 298                 }
 299         }
 300
 301         bool followlink;
 302         do {
 303                 // Path of binary/../share/name of binary/
 304                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 305                       OnlyFilename(binname)) + ';';
 306
 307                 // Follow Symlinks
 308                 FileInfo file(fullbinpath, true);
 309                 followlink = file.isLink();
 310                 if (followlink) {
 311                         lyxerr[Debug::INIT] << " directory " << fullbinpath
 312                                             << " is a link" << endl;
 313                         string link;
 314                         if (LyXReadLink(fullbinpath, link, true)) {
 315                                 fullbinpath = link;
 316                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 317                         }
 318                         else {
 319                                 followlink = false;
 320                         }
 321                 }
 322         } while (followlink);
 323
 324         // <path of binary>/TOP_SRCDIR/lib
 325         build_lyxdir = MakeAbsPath("../lib", binpath);
 326         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 327                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 328                                           binpath) + ';';
 329                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 330                         "place... yes" << endl;
 331         } else {
 332                 lyxerr[Debug::INIT]
 333                         << "Checking whether LyX is run in place... no"
 334                         << endl;
 335                 build_lyxdir.erase();
 336         }
 337
 338         // Hardcoded dir
 339         searchpath += LYX_DIR;
 340
 341         lyxerr[Debug::INIT] << "System directory search path: "
 342                             << searchpath << endl;
 343
 344         string const filename = "chkconfig.ltx";
 345         string const temp = FileOpenSearch(searchpath, filename, string());
 346         system_lyxdir = OnlyPath(temp);
 347
 348         // Reduce "path/../path" stuff out of system directory
 349         system_lyxdir = NormalizePath(system_lyxdir);
 350
 351         bool path_shown = false;
 352
 353         // Warn if environment variable is set, but unusable
 354         if (!lyxdir.empty()) {
 355                 if (system_lyxdir != NormalizePath(lyxdir)) {
 356                         lyxerr <<_("LYX_DIR_13x environment variable no good.")
 357                                << '\n'
 358                                << _("System directory set to: ")
 359                                << system_lyxdir << endl;
 360                         path_shown = true;
 361                 }
 362         }
 363
 364         // Warn the user if we couldn't find "chkconfig.ltx"
 365         if (system_lyxdir == "./") {
 366                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 367                        <<_("Try the '-sysdir' command line parameter or ")
 368                        <<_("set the environment variable LYX_DIR_13x to the "
 369                            "LyX system directory ")
 370                        << _("containing the file `chkconfig.ltx'.") << endl;
 371                 if (!path_shown) {
 372                         FileInfo fi(LYX_DIR);
 373                         if (!fi.exist()) {
 374                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 375                                         << "Giving up." << endl;
 376                                 exit(1);
 377                         }
 378                         lyxerr << bformat(_("Using built-in default %1$s but expect problems."),
 379                                 LYX_DIR) << endl;
 380                 } else {
 381                         lyxerr << _("Expect problems.") << endl;
 382                 }
 383                 system_lyxdir = LYX_DIR;
 384                 path_shown = true;
 385         }
 386
 387         if (!path_shown)
 388                 lyxerr[Debug::INIT] << "System directory: '"
 389                                     << system_lyxdir << '\'' << endl;
 390
 391         //
 392         // Determine user lyx-dir
 393         //
 394
 395         // Directories are searched in this order:
 396         // 1) -userdir command line parameter
 397         // 2) LYX_USERDIR_13x environment variable
 398         // 3) $HOME/.<name of binary>
 399
 400         // If we had a command line switch, user_lyxdir is already set
 401         bool explicit_userdir = true;
 402         if (user_lyxdir.empty()) {
 403
 404                 // LYX_USERDIR_13x environment variable
 405                 user_lyxdir = GetEnvPath("LYX_USERDIR_13x");
 406
 407                 // default behaviour
 408                 if (user_lyxdir.empty())
 409                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 410                                                         string(".") + PACKAGE);
 411                         explicit_userdir = false;
 412         }
 413
 414         lyxerr[Debug::INIT] << "User LyX directory: '"
 415                             <<  user_lyxdir << '\'' << endl;
 416
 417         // Check that user LyX directory is ok. We don't do that if
 418         // running in batch mode.
 419         if (gui) {
 420                 queryUserLyXDir(explicit_userdir);
 421         } else {
 422                 first_start = false;
 423         }
 424
 425         // Disable gui when easyparse says so
 426         lyx_gui::use_gui = gui;
 427
 428         if (lyxrc.template_path.empty()) {
 429                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 430         }
 431
 432         if (lyxrc.lastfiles.empty()) {
 433                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 434         }
 435
 436         if (lyxrc.roman_font_name.empty())
 437                 lyxrc.roman_font_name = lyx_gui::roman_font_name();
 438         if (lyxrc.sans_font_name.empty())
 439                 lyxrc.sans_font_name = lyx_gui::sans_font_name();
 440         if (lyxrc.typewriter_font_name.empty())
 441                 lyxrc.typewriter_font_name = lyx_gui::typewriter_font_name();
 442
 443         //
 444         // Read configuration files
 445         //
 446
 447         readRcFile("lyxrc.defaults");
 448         system_lyxrc = lyxrc;
 449         system_formats = formats;
 450         system_converters = converters;
 451         system_lcolor = lcolor;
 452
 453         string prefsfile = "preferences";
 454         // back compatibility to lyxs < 1.1.6
 455         if (LibFileSearch(string(), prefsfile).empty())
 456                 prefsfile = "lyxrc";
 457         if (!LibFileSearch(string(), prefsfile).empty())
 458                 readRcFile(prefsfile);
 459
 460         readEncodingsFile("encodings");
 461         readLanguagesFile("languages");
 462
 463         // Load the layouts
 464         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 465         LyXSetStyle();
 466
 467         // Ensure that we have really read a bind file, so that LyX is
 468         // usable.
 469         lyxrc.readBindFileIfNeeded();
 470
 471         // Read menus
 472         readUIFile(lyxrc.ui_file);
 473
 474         if (lyxerr.debugging(Debug::LYXRC))
 475                 lyxrc.print();
 476
 477         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 478         system_tempdir = os::getTmpDir();
 479         if (lyxerr.debugging(Debug::INIT)) {
 480                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 481         }
 482
 483         lyxerr[Debug::INIT] << "Reading lastfiles `"
 484                             << lyxrc.lastfiles << "'..." << endl;
 485         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 486                                       lyxrc.check_lastfiles,
 487                                       lyxrc.num_lastfiles));
 488 }
 489
 490
 491 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 492 {
 493         kbmap->bind("Right", LFUN_RIGHT);
 494         kbmap->bind("Left", LFUN_LEFT);
 495         kbmap->bind("Up", LFUN_UP);
 496         kbmap->bind("Down", LFUN_DOWN);
 497
 498         kbmap->bind("Tab", LFUN_CELL_FORWARD);
 499         kbmap->bind("ISO_Left_Tab", LFUN_CELL_FORWARD); // jbl 2001-23-02
 500
 501         kbmap->bind("Home", LFUN_HOME);
 502         kbmap->bind("End", LFUN_END);
 503         kbmap->bind("Prior", LFUN_PRIOR);
 504         kbmap->bind("Next", LFUN_NEXT);
 505
 506         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 507         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 508
 509         kbmap->bind("Delete", LFUN_DELETE);
 510         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 511
 512         // sub- and superscript -MV
 513         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 514         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 515
 516         // kbmap->bindings to enable the use of the numeric keypad
 517         // e.g. Num Lock set
 518         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 519         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 520         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 521         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 522         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 523         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 524         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 525         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 526         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 527         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 528         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 529         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 530         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 531         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 532         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 533         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 534         kbmap->bind("KP_Right", LFUN_RIGHT);
 535         kbmap->bind("KP_Left", LFUN_LEFT);
 536         kbmap->bind("KP_Up", LFUN_UP);
 537         kbmap->bind("KP_Down", LFUN_DOWN);
 538         kbmap->bind("KP_Home", LFUN_HOME);
 539         kbmap->bind("KP_End", LFUN_END);
 540         kbmap->bind("KP_Prior", LFUN_PRIOR);
 541         kbmap->bind("KP_Next", LFUN_NEXT);
 542
 543         kbmap->bind("C-Tab", LFUN_CELL_SPLIT);  // ale970515
 544         kbmap->bind("S-Tab", LFUN_CELL_BACKWARD);  // jug20000522
 545         kbmap->bind("S-ISO_Left_Tab", LFUN_CELL_BACKWARD); // jbl 2001-23-02
 546 }
 547
 548
 549 void LyX::emergencyCleanup()
 550 {
 551         // what to do about tmpfiles is non-obvious. we would
 552         // like to delete any we find, but our lyxdir might
 553         // contain documents etc. which might be helpful on
 554         // a crash
 555
 556         bufferlist.emergencyWriteAll();
 557         if (lyxserver)
 558                 lyxserver->emergencyCleanup();
 559 }
 560
 561
 562 void LyX::deadKeyBindings(kb_keymap * kbmap)
 563 {
 564         // bindKeyings for transparent handling of deadkeys
 565         // The keysyms are gotten from XFree86 X11R6
 566         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 567         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 568         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 569         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 570         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 571         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 572         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 573         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 574         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 575         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 576         // nothing with this name
 577         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 578         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 579         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 580         // nothing with this name either...
 581         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 582         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 583         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 584         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 585 }
 586
 587
 588 void LyX::queryUserLyXDir(bool explicit_userdir)
 589 {
 590         string const configure_script = AddName(system_lyxdir, "configure");
 591
 592         // Does user directory exist?
 593         FileInfo fileInfo(user_lyxdir);
 594         if (fileInfo.isOK() && fileInfo.isDir()) {
 595                 first_start = false;
 596                 FileInfo script(configure_script);
 597                 FileInfo defaults(AddName(user_lyxdir, "lyxrc.defaults"));
 598                 if (defaults.isOK() && script.isOK()
 599                     && defaults.getModificationTime() < script.getModificationTime()) {
 600                         lyxerr << _("LyX: reconfiguring user directory")
 601                                << endl;
 602                         Path p(user_lyxdir);
 603                         ::system(configure_script.c_str());
 604                         lyxerr << "LyX: " << _("Done!") << endl;
 605                 }
 606                 return;
 607         }
 608
 609         first_start = !explicit_userdir;
 610
 611         lyxerr << bformat(_("LyX: Creating directory %1$s"
 612                                   " and running configure..."), user_lyxdir) << endl;
 613
 614         if (!createDirectory(user_lyxdir, 0755)) {
 615                 // Failed, let's use $HOME instead.
 616                 user_lyxdir = GetEnvPath("HOME");
 617                 lyxerr << bformat(_("Failed. Will use %1$s instead."),
 618                         user_lyxdir) << endl;
 619                 return;
 620         }
 621
 622         // Run configure in user lyx directory
 623         Path p(user_lyxdir);
 624         ::system(configure_script.c_str());
 625         lyxerr << "LyX: " << _("Done!") << endl;
 626 }
 627
 628
 629 void LyX::readRcFile(string const & name)
 630 {
 631         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 632
 633         string const lyxrc_path = LibFileSearch(string(), name);
 634         if (!lyxrc_path.empty()) {
 635
 636                 lyxerr[Debug::INIT] << "Found " << name
 637                                     << " in " << lyxrc_path << endl;
 638
 639                 if (lyxrc.read(lyxrc_path) >= 0)
 640                         return;
 641         }
 642
 643         showFileError(name);
 644 }
 645
 646
 647 // Read the ui file `name'
 648 void LyX::readUIFile(string const & name)
 649 {
 650         enum Uitags {
 651                 ui_menuset = 1,
 652                 ui_toolbar,
 653                 ui_toolbars,
 654                 ui_include,
 655                 ui_last
 656         };
 657
 658         struct keyword_item uitags[ui_last - 1] = {
 659                 { "include", ui_include },
 660                 { "menuset", ui_menuset },
 661                 { "toolbar", ui_toolbar },
 662                 { "toolbars", ui_toolbars }
 663         };
 664
 665         // Ensure that a file is read only once (prevents include loops)
 666         static std::list<string> uifiles;
 667         std::list<string>::const_iterator it  = uifiles.begin();
 668         std::list<string>::const_iterator end = uifiles.end();
 669         it = std::find(it, end, name);
 670         if (it != end) {
 671                 lyxerr[Debug::INIT] << "UI file '" << name
 672                                     << "' has been read already. "
 673                                     << "Is this an include loop?"
 674                                     << endl;
 675                 return;
 676         }
 677
 678         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 679
 680         string const ui_path = LibFileSearch("ui", name, "ui");
 681
 682         if (ui_path.empty()) {
 683                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 684                 showFileError(name);
 685                 return;
 686         }
 687         uifiles.push_back(name);
 688
 689         lyxerr[Debug::INIT] << "Found " << name
 690                             << " in " << ui_path << endl;
 691         LyXLex lex(uitags, ui_last - 1);
 692         lex.setFile(ui_path);
 693         if (!lex.isOK()) {
 694                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 695                        << endl;
 696         }
 697
 698         if (lyxerr.debugging(Debug::PARSER))
 699                 lex.printTable(lyxerr);
 700
 701         while (lex.isOK()) {
 702                 switch (lex.lex()) {
 703                 case ui_include: {
 704                         lex.next(true);
 705                         string const file = lex.getString();
 706                         readUIFile(file);
 707                         break;
 708                 }
 709                 case ui_menuset:
 710                         menubackend.read(lex);
 711                         break;
 712
 713                 case ui_toolbar:
 714                         toolbarbackend.read(lex);
 715                         break;
 716
 717                 case ui_toolbars:
 718                         toolbarbackend.readToolbars(lex);
 719                         break;
 720
 721                 default:
 722                         if (!rtrim(lex.getString()).empty())
 723                                 lex.printError("LyX::ReadUIFile: "
 724                                                "Unknown menu tag: `$$Token'");
 725                         break;
 726                 }
 727         }
 728 }
 729
 730
 731 // Read the languages file `name'
 732 void LyX::readLanguagesFile(string const & name)
 733 {
 734         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 735
 736         string const lang_path = LibFileSearch(string(), name);
 737         if (lang_path.empty()) {
 738                 showFileError(name);
 739                 return;
 740         }
 741         languages.read(lang_path);
 742 }
 743
 744
 745 // Read the encodings file `name'
 746 void LyX::readEncodingsFile(string const & name)
 747 {
 748         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 749
 750         string const enc_path = LibFileSearch(string(), name);
 751         if (enc_path.empty()) {
 752                 showFileError(name);
 753                 return;
 754         }
 755         encodings.read(enc_path);
 756 }
 757
 758
 759 namespace {
 760
 761 bool is_gui = true;
 762 string batch;
 763
 764 /// return the the number of arguments consumed
 765 typedef boost::function<int(string const &, string const &)> cmd_helper;
 766
 767 int parse_dbg(string const & arg, string const &)
 768 {
 769         if (arg.empty()) {
 770                 lyxerr << _("List of supported debug flags:") << endl;
 771                 Debug::showTags(lyxerr);
 772                 exit(0);
 773         }
 774         lyxerr << bformat(_("Setting debug level to %1$s"), arg) << endl;
 775
 776         lyxerr.level(Debug::value(arg));
 777         Debug::showLevel(lyxerr, lyxerr.level());
 778         return 1;
 779 }
 780
 781
 782 int parse_help(string const &, string const &)
 783 {
 784         lyxerr <<
 785                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 786                   "Command line switches (case sensitive):\n"
 787                   "\t-help              summarize LyX usage\n"
 788                   "\t-userdir dir       try to set user directory to dir\n"
 789                   "\t-sysdir dir        try to set system directory to dir\n"
 790                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 791                   "\t-dbg feature[,feature]...\n"
 792                   "                  select the features to debug.\n"
 793                   "                  Type `lyx -dbg' to see the list of features\n"
 794                   "\t-x [--execute] command\n"
 795                   "                  where command is a lyx command.\n"
 796                   "\t-e [--export] fmt\n"
 797                   "                  where fmt is the export format of choice.\n"
 798                   "\t-i [--import] fmt file.xxx\n"
 799                   "                  where fmt is the import format of choice\n"
 800                   "                  and file.xxx is the file to be imported.\n"
 801                   "\t-version        summarize version and build info\n"
 802                   "Check the LyX man page for more details.") << endl;
 803         exit(0);
 804         return 0;
 805 }
 806
 807 int parse_version(string const &, string const &)
 808 {
 809         lyxerr << "LyX " << lyx_version
 810                << " of " << lyx_release_date << endl;
 811         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 812
 813         lyxerr << lyx_version_info << endl;
 814         exit(0);
 815         return 0;
 816 }
 817
 818 int parse_sysdir(string const & arg, string const &)
 819 {
 820         if (arg.empty()) {
 821                 lyxerr << _("Missing directory for -sysdir switch") << endl;
 822                 exit(1);
 823         }
 824         system_lyxdir = arg;
 825         return 1;
 826 }
 827
 828 int parse_userdir(string const & arg, string const &)
 829 {
 830         if (arg.empty()) {
 831                 lyxerr << _("Missing directory for -userdir switch") << endl;
 832                 exit(1);
 833         }
 834         user_lyxdir = arg;
 835         return 1;
 836 }
 837
 838 int parse_execute(string const & arg, string const &)
 839 {
 840         if (arg.empty()) {
 841                 lyxerr << _("Missing command string after --execute switch") << endl;
 842                 exit(1);
 843         }
 844         batch = arg;
 845         // Argh. Setting gui to false segfaults..
 846         // FIXME: when ? how ?
 847         // is_gui = false;
 848         return 1;
 849 }
 850
 851 int parse_export(string const & type, string const &)
 852 {
 853         if (type.empty()) {
 854                 lyxerr << _("Missing file type [eg latex, ps...] after "
 855                         "--export switch") << endl;
 856                 exit(1);
 857         }
 858         batch = "buffer-export " + type;
 859         is_gui = false;
 860         return 1;
 861 }
 862
 863 int parse_import(string const & type, string const & file)
 864 {
 865         if (type.empty()) {
 866                 lyxerr << _("Missing file type [eg latex, ps...] after "
 867                         "--import switch") << endl;
 868                 exit(1);
 869         }
 870         if (file.empty()) {
 871                 lyxerr << _("Missing filename for --import") << endl;
 872                 exit(1);
 873         }
 874
 875         batch = "buffer-import " + type + ' ' + file;
 876         return 2;
 877 }
 878
 879 } // namespace anon
 880
 881
 882 bool LyX::easyParse(int & argc, char * argv[])
 883 {
 884         std::map<string, cmd_helper> cmdmap;
 885
 886         cmdmap["-dbg"] = parse_dbg;
 887         cmdmap["-help"] = parse_help;
 888         cmdmap["--help"] = parse_help;
 889         cmdmap["-version"] = parse_version;
 890         cmdmap["--version"] = parse_version;
 891         cmdmap["-sysdir"] = parse_sysdir;
 892         cmdmap["-userdir"] = parse_userdir;
 893         cmdmap["-x"] = parse_execute;
 894         cmdmap["--execute"] = parse_execute;
 895         cmdmap["-e"] = parse_export;
 896         cmdmap["--export"] = parse_export;
 897         cmdmap["-i"] = parse_import;
 898         cmdmap["--import"] = parse_import;
 899
 900         for (int i = 1; i < argc; ++i) {
 901                 std::map<string, cmd_helper>::const_iterator it
 902                         = cmdmap.find(argv[i]);
 903
 904                 // don't complain if not found - may be parsed later
 905                 if (it == cmdmap.end())
 906                         continue;
 907
 908                 string arg((i + 1 < argc) ? argv[i + 1] : "");
 909                 string arg2((i + 2 < argc) ? argv[i + 2] : "");
 910
 911                 int const remove = 1 + it->second(arg, arg2);
 912
 913                 // Now, remove used arguments by shifting
 914                 // the following ones remove places down.
 915                 argc -= remove;
 916                 for (int j = i; j < argc; ++j)
 917                         argv[j] = argv[j + remove];
 918                 --i;
 919         }
 920
 921         batch_command = batch;
 922
 923         return is_gui;
 924 }