lyx_mirror/src/lyx_main.C

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/**
* \file lyx_main.C
* Copyright 1995-2002 the LyX Team
* Read the file COPYING
*
* \author unknown
*/
#include <config.h>
#include <version.h>
#include "lyx_main.h"
#include "support/filetools.h"
#include "support/lyxlib.h"
#include "support/os.h"
#include "support/FileInfo.h"
#include "support/path.h"
#include "debug.h"
#include "gettext.h"
#include "lyxlex.h"
#include "graphics/GraphicsTypes.h"
#include "bufferlist.h"
#include "buffer.h"
#include "lyxserver.h"
#include "kbmap.h"
#include "lyxfunc.h"
#include "ToolbarBackend.h"
#include "MenuBackend.h"
#include "language.h"
#include "lastfiles.h"
#include "encoding.h"
#include "converter.h"
#include "format.h"
#include "lyxtextclasslist.h"
#include "frontends/Alert.h"
#include "frontends/lyx_gui.h"
#include <boost/function.hpp>
#include <cstdlib>
#include <csignal>
using std::vector;
using std::endl;
#ifndef CXX_GLOBAL_CSTD
using std::exit;
using std::signal;
using std::system;
#endif
extern void LoadLyXFile(string const &);
extern void QuitLyX();
extern LyXServer * lyxserver;
string system_lyxdir;
string build_lyxdir;
string system_tempdir;
string user_lyxdir;
DebugStream lyxerr;
boost::scoped_ptr<LastFiles> lastfiles;
// This is the global bufferlist object
BufferList bufferlist;
// convenient to have it here.
boost::scoped_ptr<kb_keymap> toplevel_keymap;
namespace {
void showFileError(string const & error)
{
Alert::warning(_("Could not read configuration file"),
bformat(_("Error while reading the configuration file\n%1$s.\n"
"Please check your installation."), error));
exit(EXIT_FAILURE);
}
}
LyX::LyX(int & argc, char * argv[])
{
// Here we need to parse the command line. At least
// we need to parse for "-dbg" and "-help"
bool const want_gui = easyParse(argc, argv);
// Global bindings (this must be done as early as possible.) (Lgb)
toplevel_keymap.reset(new kb_keymap);
defaultKeyBindings(toplevel_keymap.get());
// set the DisplayTranslator only once; should that be done here??
// if this should not be in this file, please also remove
// #include "graphics/GraphicsTypes.h" at the top -- Rob Lahaye.
grfx::setDisplayTranslator();
if (want_gui) {
lyx_gui::parse_init(argc, argv);
}
// check for any spurious extra arguments
// other than documents
for (int argi = 1; argi < argc ; ++argi) {
if (argv[argi][0] == '-') {
lyxerr << bformat(_("Wrong command line option `%1$s'. Exiting."),
argv[argi]) << endl;
exit(1);
}
}
// Initialization of LyX (reads lyxrc and more)
lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
init(want_gui);
lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
if (want_gui) {
lyx_gui::parse_lyxrc();
}
vector<string> files;
for (int argi = argc - 1; argi >= 1; --argi) {
files.push_back(argv[argi]);
}
if (first_start)
files.push_back(i18nLibFileSearch("examples", "splash.lyx"));
// Execute batch commands if available
if (!batch_command.empty()) {
lyxerr[Debug::INIT] << "About to handle -x '"
<< batch_command << '\'' << endl;
Buffer * last_loaded = 0;
vector<string>::iterator it = files.begin();
vector<string>::iterator end = files.end();
for (; it != end; ++it) {
last_loaded = bufferlist.loadLyXFile(*it);
}
files.clear();
// no buffer loaded, create one
if (!last_loaded)
last_loaded = bufferlist.newFile("tmpfile", string());
bool success = false;
// try to dispatch to last loaded buffer first
bool const dispatched = last_loaded->dispatch(batch_command, &success);
if (dispatched) {
QuitLyX();
exit(!success);
}
}
lyx_gui::start(batch_command, files);
}
extern "C" {
static void error_handler(int err_sig)
{
switch (err_sig) {
case SIGHUP:
lyxerr << "\nlyx: SIGHUP signal caught" << endl;
break;
case SIGINT:
// no comments
break;
case SIGFPE:
lyxerr << "\nlyx: SIGFPE signal caught" << endl;
break;
case SIGSEGV:
lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
lyxerr <<
"Sorry, you have found a bug in LyX. "
"Please read the bug-reporting instructions "
"in Help->Introduction and send us a bug report, "
"if necessary. Thanks !" << endl;
break;
case SIGTERM:
// no comments
break;
}
// Deinstall the signal handlers
signal(SIGHUP, SIG_DFL);
signal(SIGINT, SIG_DFL);
signal(SIGFPE, SIG_DFL);
signal(SIGSEGV, SIG_DFL);
signal(SIGTERM, SIG_DFL);
LyX::emergencyCleanup();
lyxerr << "Bye." << endl;
if (err_sig!= SIGHUP &&
(!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
lyx::abort();
exit(0);
}
}
void LyX::init(bool gui)
{
signal(SIGHUP, error_handler);
signal(SIGFPE, error_handler);
signal(SIGSEGV, error_handler);
signal(SIGINT, error_handler);
signal(SIGTERM, error_handler);
//
// Determine path of binary
//
string binpath = os::binpath();
string binname = os::binname();
string fullbinname = MakeAbsPath(binname, binpath);
if (binpath.empty()) {
lyxerr << _("Warning: could not determine path of binary.")
<< "\n"
<< _("If you have problems, try starting LyX with an absolute path.")
<< endl;
}
lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
//
// Determine system directory.
//
// Directories are searched in this order:
// 1) -sysdir command line parameter
// 2) LYX_DIR_13x environment variable
// 3) Maybe <path of binary>/TOP_SRCDIR/lib
// 4) <path of binary>/../share/<name of binary>/
// 4a) repeat 4 after following the Symlink if <path of
// binary> is a symbolic link.
// 5) hardcoded lyx_dir
// The directory is checked for the presence of the file
// "chkconfig.ltx", and if that is present, the directory
// is accepted as the system directory.
// If no chkconfig.ltx file is found, a warning is given,
// and the hardcoded lyx_dir is used.
// If we had a command line switch, system_lyxdir is already set
string searchpath;
if (!system_lyxdir.empty())
searchpath = MakeAbsPath(system_lyxdir) + ';';
string const lyxdir = GetEnvPath("LYX_DIR_13x");
if (!lyxdir.empty()) {
lyxerr[Debug::INIT] << "LYX_DIR_13x: " << lyxdir << endl;
searchpath += lyxdir + ';';
}
string fullbinpath = binpath;
FileInfo file(fullbinname, true);
if (file.isLink()) {
lyxerr[Debug::INIT] << "binary is a link" << endl;
string link;
if (LyXReadLink(fullbinname, link, true)) {
// Path of binary/../share/name of binary/
searchpath += NormalizePath(AddPath(binpath,
"../share/")
+ OnlyFilename(binname));
searchpath += ';';
fullbinpath = link;
binpath = MakeAbsPath(OnlyPath(fullbinpath));
}
}
bool followlink;
do {
// Path of binary/../share/name of binary/
searchpath += NormalizePath(AddPath(binpath, "../share/") +
OnlyFilename(binname)) + ';';
// Follow Symlinks
FileInfo file(fullbinpath, true);
followlink = file.isLink();
if (followlink) {
lyxerr[Debug::INIT] << " directory " << fullbinpath
<< " is a link" << endl;
string link;
if (LyXReadLink(fullbinpath, link, true)) {
fullbinpath = link;
binpath = MakeAbsPath(OnlyPath(fullbinpath));
}
else {
followlink = false;
}
}
} while (followlink);
// <path of binary>/TOP_SRCDIR/lib
build_lyxdir = MakeAbsPath("../lib", binpath);
if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
binpath) + ';';
lyxerr[Debug::INIT] << "Checking whether LyX is run in "
"place... yes" << endl;
} else {
lyxerr[Debug::INIT]
<< "Checking whether LyX is run in place... no"
<< endl;
build_lyxdir.erase();
}
// Hardcoded dir
searchpath += LYX_DIR;
lyxerr[Debug::INIT] << "System directory search path: "
<< searchpath << endl;
string const filename = "chkconfig.ltx";
string const temp = FileOpenSearch(searchpath, filename, string());
system_lyxdir = OnlyPath(temp);
// Reduce "path/../path" stuff out of system directory
system_lyxdir = NormalizePath(system_lyxdir);
bool path_shown = false;
// Warn if environment variable is set, but unusable
if (!lyxdir.empty()) {
if (system_lyxdir != NormalizePath(lyxdir)) {
lyxerr <<_("LYX_DIR_13x environment variable no good.")
<< '\n'
<< _("System directory set to: ")
<< system_lyxdir << endl;
path_shown = true;
}
}
// Warn the user if we couldn't find "chkconfig.ltx"
if (system_lyxdir == "./") {
lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
<<_("Try the '-sysdir' command line parameter or ")
<<_("set the environment variable LYX_DIR_13x to the "
"LyX system directory ")
<< _("containing the file `chkconfig.ltx'.") << endl;
if (!path_shown) {
FileInfo fi(LYX_DIR);
if (!fi.exist()) {
lyxerr << "Couldn't even find the default LYX_DIR." << endl
<< "Giving up." << endl;
exit(1);
}
lyxerr << bformat(_("Using built-in default %1$s but expect problems."),
LYX_DIR) << endl;
} else {
lyxerr << _("Expect problems.") << endl;
}
system_lyxdir = LYX_DIR;
path_shown = true;
}
if (!path_shown)
lyxerr[Debug::INIT] << "System directory: '"
<< system_lyxdir << '\'' << endl;
//
// Determine user lyx-dir
//
// Directories are searched in this order:
// 1) -userdir command line parameter
// 2) LYX_USERDIR_13x environment variable
// 3) $HOME/.<name of binary>
// If we had a command line switch, user_lyxdir is already set
bool explicit_userdir = true;
if (user_lyxdir.empty()) {
// LYX_USERDIR_13x environment variable
user_lyxdir = GetEnvPath("LYX_USERDIR_13x");
// default behaviour
if (user_lyxdir.empty())
user_lyxdir = AddPath(GetEnvPath("HOME"),
string(".") + PACKAGE);
explicit_userdir = false;
}
lyxerr[Debug::INIT] << "User LyX directory: '"
<< user_lyxdir << '\'' << endl;
// Check that user LyX directory is ok. We don't do that if
// running in batch mode.
if (gui) {
queryUserLyXDir(explicit_userdir);
} else {
first_start = false;
}
// Disable gui when easyparse says so
lyx_gui::use_gui = gui;
if (lyxrc.template_path.empty()) {
lyxrc.template_path = AddPath(system_lyxdir, "templates");
}
if (lyxrc.lastfiles.empty()) {
lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
}
if (lyxrc.roman_font_name.empty())
lyxrc.roman_font_name = lyx_gui::roman_font_name();
if (lyxrc.sans_font_name.empty())
lyxrc.sans_font_name = lyx_gui::sans_font_name();
if (lyxrc.typewriter_font_name.empty())
lyxrc.typewriter_font_name = lyx_gui::typewriter_font_name();
//
// Read configuration files
//
readRcFile("lyxrc.defaults");
system_lyxrc = lyxrc;
system_formats = formats;
system_converters = converters;
system_lcolor = lcolor;
string prefsfile = "preferences";
// back compatibility to lyxs < 1.1.6
if (LibFileSearch(string(), prefsfile).empty())
prefsfile = "lyxrc";
if (!LibFileSearch(string(), prefsfile).empty())
readRcFile(prefsfile);
readEncodingsFile("encodings");
readLanguagesFile("languages");
// Load the layouts
lyxerr[Debug::INIT] << "Reading layouts..." << endl;
LyXSetStyle();
// Ensure that we have really read a bind file, so that LyX is
// usable.
lyxrc.readBindFileIfNeeded();
// Read menus
readUIFile(lyxrc.ui_file);
if (lyxerr.debugging(Debug::LYXRC))
lyxrc.print();
os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
system_tempdir = os::getTmpDir();
if (lyxerr.debugging(Debug::INIT)) {
lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
}
lyxerr[Debug::INIT] << "Reading lastfiles `"
<< lyxrc.lastfiles << "'..." << endl;
lastfiles.reset(new LastFiles(lyxrc.lastfiles,
lyxrc.check_lastfiles,
lyxrc.num_lastfiles));
}
void LyX::defaultKeyBindings(kb_keymap * kbmap)
{
kbmap->bind("Right", LFUN_RIGHT);
kbmap->bind("Left", LFUN_LEFT);
kbmap->bind("Up", LFUN_UP);
kbmap->bind("Down", LFUN_DOWN);
kbmap->bind("Tab", LFUN_CELL_FORWARD);
kbmap->bind("ISO_Left_Tab", LFUN_CELL_FORWARD); // jbl 2001-23-02
kbmap->bind("Home", LFUN_HOME);
kbmap->bind("End", LFUN_END);
kbmap->bind("Prior", LFUN_PRIOR);
kbmap->bind("Next", LFUN_NEXT);
kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
//kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
kbmap->bind("Delete", LFUN_DELETE);
kbmap->bind("BackSpace", LFUN_BACKSPACE);
// sub- and superscript -MV
kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
// kbmap->bindings to enable the use of the numeric keypad
// e.g. Num Lock set
//kbmap->bind("KP_0", LFUN_SELFINSERT);
//kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
//kbmap->bind("KP_1", LFUN_SELFINSERT);
//kbmap->bind("KP_2", LFUN_SELFINSERT);
//kbmap->bind("KP_3", LFUN_SELFINSERT);
//kbmap->bind("KP_4", LFUN_SELFINSERT);
//kbmap->bind("KP_5", LFUN_SELFINSERT);
//kbmap->bind("KP_6", LFUN_SELFINSERT);
//kbmap->bind("KP_Add", LFUN_SELFINSERT);
//kbmap->bind("KP_7", LFUN_SELFINSERT);
//kbmap->bind("KP_8", LFUN_SELFINSERT);
//kbmap->bind("KP_9", LFUN_SELFINSERT);
//kbmap->bind("KP_Divide", LFUN_SELFINSERT);
//kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
//kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
kbmap->bind("KP_Right", LFUN_RIGHT);
kbmap->bind("KP_Left", LFUN_LEFT);
kbmap->bind("KP_Up", LFUN_UP);
kbmap->bind("KP_Down", LFUN_DOWN);
kbmap->bind("KP_Home", LFUN_HOME);
kbmap->bind("KP_End", LFUN_END);
kbmap->bind("KP_Prior", LFUN_PRIOR);
kbmap->bind("KP_Next", LFUN_NEXT);
kbmap->bind("C-Tab", LFUN_CELL_SPLIT); // ale970515
kbmap->bind("S-Tab", LFUN_CELL_BACKWARD); // jug20000522
kbmap->bind("S-ISO_Left_Tab", LFUN_CELL_BACKWARD); // jbl 2001-23-02
}
void LyX::emergencyCleanup()
{
// what to do about tmpfiles is non-obvious. we would
// like to delete any we find, but our lyxdir might
// contain documents etc. which might be helpful on
// a crash
bufferlist.emergencyWriteAll();
if (lyxserver)
lyxserver->emergencyCleanup();
}
void LyX::deadKeyBindings(kb_keymap * kbmap)
{
// bindKeyings for transparent handling of deadkeys
// The keysyms are gotten from XFree86 X11R6
kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
// nothing with this name
// kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
// nothing with this name either...
//kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
}
void LyX::queryUserLyXDir(bool explicit_userdir)
{
string const configure_script = AddName(system_lyxdir, "configure");
// Does user directory exist?
FileInfo fileInfo(user_lyxdir);
if (fileInfo.isOK() && fileInfo.isDir()) {
first_start = false;
FileInfo script(configure_script);
FileInfo defaults(AddName(user_lyxdir, "lyxrc.defaults"));
if (defaults.isOK() && script.isOK()
&& defaults.getModificationTime() < script.getModificationTime()) {
lyxerr << _("LyX: reconfiguring user directory")
<< endl;
Path p(user_lyxdir);
::system(configure_script.c_str());
lyxerr << "LyX: " << _("Done!") << endl;
}
return;
}
first_start = !explicit_userdir;
lyxerr << bformat(_("LyX: Creating directory %1$s"
" and running configure..."), user_lyxdir) << endl;
if (!createDirectory(user_lyxdir, 0755)) {
// Failed, let's use $HOME instead.
user_lyxdir = GetEnvPath("HOME");
lyxerr << bformat(_("Failed. Will use %1$s instead."),
user_lyxdir) << endl;
return;
}
// Run configure in user lyx directory
Path p(user_lyxdir);
::system(configure_script.c_str());
lyxerr << "LyX: " << _("Done!") << endl;
}
void LyX::readRcFile(string const & name)
{
lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
string const lyxrc_path = LibFileSearch(string(), name);
if (!lyxrc_path.empty()) {
lyxerr[Debug::INIT] << "Found " << name
<< " in " << lyxrc_path << endl;
if (lyxrc.read(lyxrc_path) >= 0)
return;
}
showFileError(name);
}
// Read the ui file `name'
void LyX::readUIFile(string const & name)
{
enum Uitags {
ui_menuset = 1,
ui_toolbar,
ui_toolbars,
ui_include,
ui_last
};
struct keyword_item uitags[ui_last - 1] = {
{ "include", ui_include },
{ "menuset", ui_menuset },
{ "toolbar", ui_toolbar },
{ "toolbars", ui_toolbars }
};
// Ensure that a file is read only once (prevents include loops)
static std::list<string> uifiles;
std::list<string>::const_iterator it = uifiles.begin();
std::list<string>::const_iterator end = uifiles.end();
it = std::find(it, end, name);
if (it != end) {
lyxerr[Debug::INIT] << "UI file '" << name
<< "' has been read already. "
<< "Is this an include loop?"
<< endl;
return;
}
lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
string const ui_path = LibFileSearch("ui", name, "ui");
if (ui_path.empty()) {
lyxerr[Debug::INIT] << "Could not find " << name << endl;
showFileError(name);
return;
}
uifiles.push_back(name);
lyxerr[Debug::INIT] << "Found " << name
<< " in " << ui_path << endl;
LyXLex lex(uitags, ui_last - 1);
lex.setFile(ui_path);
if (!lex.isOK()) {
lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
<< endl;
}
if (lyxerr.debugging(Debug::PARSER))
lex.printTable(lyxerr);
while (lex.isOK()) {
switch (lex.lex()) {
case ui_include: {
lex.next(true);
string const file = lex.getString();
readUIFile(file);
break;
}
case ui_menuset:
menubackend.read(lex);
break;
case ui_toolbar:
toolbarbackend.read(lex);
break;
case ui_toolbars:
toolbarbackend.readToolbars(lex);
break;
default:
if (!rtrim(lex.getString()).empty())
lex.printError("LyX::ReadUIFile: "
"Unknown menu tag: `$$Token'");
break;
}
}
}
// Read the languages file `name'
void LyX::readLanguagesFile(string const & name)
{
lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
string const lang_path = LibFileSearch(string(), name);
if (lang_path.empty()) {
showFileError(name);
return;
}
languages.read(lang_path);
}
// Read the encodings file `name'
void LyX::readEncodingsFile(string const & name)
{
lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
string const enc_path = LibFileSearch(string(), name);
if (enc_path.empty()) {
showFileError(name);
return;
}
encodings.read(enc_path);
}
namespace {
bool is_gui = true;
string batch;
/// return the the number of arguments consumed
typedef boost::function<int(string const &, string const &)> cmd_helper;
int parse_dbg(string const & arg, string const &)
{
if (arg.empty()) {
lyxerr << _("List of supported debug flags:") << endl;
Debug::showTags(lyxerr);
exit(0);
}
lyxerr << bformat(_("Setting debug level to %1$s"), arg) << endl;
lyxerr.level(Debug::value(arg));
Debug::showLevel(lyxerr, lyxerr.level());
return 1;
}
int parse_help(string const &, string const &)
{
lyxerr <<
_("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
"Command line switches (case sensitive):\n"
"\t-help summarize LyX usage\n"
"\t-userdir dir try to set user directory to dir\n"
"\t-sysdir dir try to set system directory to dir\n"
"\t-geometry WxH+X+Y set geometry of the main window\n"
"\t-dbg feature[,feature]...\n"
" select the features to debug.\n"
" Type `lyx -dbg' to see the list of features\n"
"\t-x [--execute] command\n"
" where command is a lyx command.\n"
"\t-e [--export] fmt\n"
" where fmt is the export format of choice.\n"
"\t-i [--import] fmt file.xxx\n"
" where fmt is the import format of choice\n"
" and file.xxx is the file to be imported.\n"
"\t-version summarize version and build info\n"
"Check the LyX man page for more details.") << endl;
exit(0);
return 0;
}
int parse_version(string const &, string const &)
{
lyxerr << "LyX " << lyx_version
<< " of " << lyx_release_date << endl;
lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
lyxerr << lyx_version_info << endl;
exit(0);
return 0;
}
int parse_sysdir(string const & arg, string const &)
{
if (arg.empty()) {
lyxerr << _("Missing directory for -sysdir switch") << endl;
exit(1);
}
system_lyxdir = arg;
return 1;
}
int parse_userdir(string const & arg, string const &)
{
if (arg.empty()) {
lyxerr << _("Missing directory for -userdir switch") << endl;
exit(1);
}
user_lyxdir = arg;
return 1;
}
int parse_execute(string const & arg, string const &)
{
if (arg.empty()) {
lyxerr << _("Missing command string after --execute switch") << endl;
exit(1);
}
batch = arg;
// Argh. Setting gui to false segfaults..
// FIXME: when ? how ?
// is_gui = false;
return 1;
}
int parse_export(string const & type, string const &)
{
if (type.empty()) {
lyxerr << _("Missing file type [eg latex, ps...] after "
"--export switch") << endl;
exit(1);
}
batch = "buffer-export " + type;
is_gui = false;
return 1;
}
int parse_import(string const & type, string const & file)
{
if (type.empty()) {
lyxerr << _("Missing file type [eg latex, ps...] after "
"--import switch") << endl;
exit(1);
}
if (file.empty()) {
lyxerr << _("Missing filename for --import") << endl;
exit(1);
}
batch = "buffer-import " + type + ' ' + file;
return 2;
}
} // namespace anon
bool LyX::easyParse(int & argc, char * argv[])
{
std::map<string, cmd_helper> cmdmap;
cmdmap["-dbg"] = parse_dbg;
cmdmap["-help"] = parse_help;
cmdmap["--help"] = parse_help;
cmdmap["-version"] = parse_version;
cmdmap["--version"] = parse_version;
cmdmap["-sysdir"] = parse_sysdir;
cmdmap["-userdir"] = parse_userdir;
cmdmap["-x"] = parse_execute;
cmdmap["--execute"] = parse_execute;
cmdmap["-e"] = parse_export;
cmdmap["--export"] = parse_export;
cmdmap["-i"] = parse_import;
cmdmap["--import"] = parse_import;
for (int i = 1; i < argc; ++i) {
std::map<string, cmd_helper>::const_iterator it
= cmdmap.find(argv[i]);
// don't complain if not found - may be parsed later
if (it == cmdmap.end())
continue;
string arg((i + 1 < argc) ? argv[i + 1] : "");
string arg2((i + 2 < argc) ? argv[i + 2] : "");
int const remove = 1 + it->second(arg, arg2);
// Now, remove used arguments by shifting
// the following ones remove places down.
argc -= remove;
for (int j = i; j < argc; ++j)
argv[j] = argv[j + remove];
--i;
}
batch_command = batch;
return is_gui;
}