- Fix plugin.hh visibility attributes

- Improve option parsing
- Strange SIGSEGV still happening (a different one, though)


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@736 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
tchernobog 2006-07-06 09:49:35 +00:00
parent 3125f3d3cf
commit 8b1da4e1c7
8 changed files with 92 additions and 185 deletions

View file

@ -22,215 +22,116 @@
#include "gettext.h"
#include "backend/global_preferences.hh"
#include "backend/plugin_manager.hh"
#include "parse_opts.hh"
//#ifdef _GNU_SOURCE
//#include <getopt.h>
//#endif
#include "start_gui.hh"
#include <glibmm/optioncontext.h>
#include <gtkmm/main.h>
//#include <cstdio>
#include <cstdlib>
//#include <unistd.h>
#include <iostream>
using namespace sgpem;
// Static declarations:
static void display_help();
void
parse_options(int& argc, char**& argv)
parse_options(int argc, char** argv)
{
// FIXME this code causes a segfault some time after the method is returned (!!!),
// ddd says the problem originates from libglib. Any clue?
using Glib::OptionEntry;
using Glib::OptionContext;
using Glib::OptionGroup;
print_license();
// Here we try to sort out the order of creation of the Option* objects, but it's useless...
OptionContext context("SGPEMv2, a graphical simulator for process "
"scheduling in a multitasking computer");
OptionGroup group("options", "options");
// Prepare the option entries
OptionEntry no_gui;
OptionEntry policies_dir;
OptionEntry modules_dir;
OptionEntry filename;
no_gui.set_short_name('N');
policies_dir.set_short_name('P');
modules_dir.set_short_name('M');
#ifdef _GNU_SOURCE
no_gui.set_long_name("no-gui");
policies_dir.set_long_name("policies-dir");
modules_dir.set_long_name("modules_dir");
#endif
filename.set_long_name(G_OPTION_REMAINING);
no_gui.set_description("starts the program in command line mode");
policies_dir.set_description("adds this directory to the default modules search path");
modules_dir.set_description("adds this directory to default plugin search path");
no_gui.set_description(_("starts the program in command line mode"));
policies_dir.set_description(_("adds this directory to the default modules search path"));
modules_dir.set_description(_("adds this directory to default plugin search path"));
filename.set_description(_("a list of savefiles; only the first will be opened"));
// Places where araguments will be saved
bool no_gui_enabled = false;
OptionGroup::vecustrings policies_dir_val;
OptionGroup::vecustrings modules_dir_val;
OptionGroup::vecstrings fnames;
no_gui.set_flags(OptionEntry::FLAG_NO_ARG);
filename.set_flags(OptionEntry::FLAG_FILENAME | OptionEntry::FLAG_OPTIONAL_ARG);
// Create the only group
//OptionGroup group("options", "options");
OptionGroup group("options", "options");
group.add_entry(no_gui, no_gui_enabled);
group.add_entry(policies_dir, policies_dir_val);
group.add_entry(modules_dir, modules_dir_val);
group.add_entry_filename(filename, fnames);
// Create context
//OptionContext context("SGPEMv2, a graphical simulator for process "
// "scheduling in a multitasking computer");
// Create context
OptionContext context(_("SGPEMv2, a graphical simulator for process "
"scheduling in a multitasking computer"));
context.set_main_group(group);
context.set_help_enabled(true);
context.set_ignore_unknown_options(true);
context.set_ignore_unknown_options(false);
// Parse options
try
{
context.parse(argc, argv);
GlobalPreferences& prefs = GlobalPreferences::get_instance();
for(Glib::OptionGroup::vecustrings::const_iterator it = policies_dir_val.begin();
it != policies_dir_val.end(); ++it)
prefs.add_policies_dir(*it);
{
// Parse options, initialising the Gtk::Main at the same time
Gtk::Main(argc, argv, context);
GlobalPreferences& prefs = GlobalPreferences::get_instance();
for(Glib::OptionGroup::vecustrings::const_iterator it = policies_dir_val.begin();
it != policies_dir_val.end(); ++it)
prefs.add_policies_dir(*it);
for(Glib::OptionGroup::vecustrings::const_iterator it = modules_dir_val.begin();
it != modules_dir_val.end(); ++it)
prefs.add_modules_dir(*it);
if(no_gui_enabled)
{
// We don't return to main, instead we
// initialize the command line version
// of sgpemv2 (?)
// FIXME : to be written!
}
}
for(Glib::OptionGroup::vecustrings::const_iterator it = modules_dir_val.begin();
it != modules_dir_val.end(); ++it)
prefs.add_modules_dir(*it);
// Now that GlobalPreferences has been initialized properly,
// initialize plugins, too
PluginManager::get_instance();
if(no_gui_enabled)
{
// We don't return to main, instead we
// initialize the command line version
// of sgpemv2 (?)
throw Glib::OptionError(Glib::OptionError::FAILED, _("The `No-GUI' option isn't active yet."));
// FIXME : to be written!
} else {
if(fnames.begin() != fnames.end())
start_gui(*fnames.begin());
else
start_gui("");
}
} // ~ try
catch(Glib::OptionError e)
{
std::cout << "Bad invocation: " << e.what() << std::endl;
//char *force_help_vec[] = { "sgpem", "--help" };
//char **force_help = &force_help_vec[0];
//int count = 2;
//assert(context.parse(count, force_help));
}
// and now ??? I need MORE documentation for this stuff!!!
// shame on me! it was so easy...
{
std::cout << _("Bad invocation: ") << e.what() << std::endl;
std::cout << _("Use the `-?' or `--help' option to see the help") << std::endl;
}
}
//void
//parse_options(int& argc, char**& argv)
//{
// using sgpem::GlobalPreferences;
//
// print_license();
//
// static const char* short_options = "NhP:M:";
//
//#ifdef _GNU_SOURCE
// // Initialize the array for GNU long options
// static struct option long_options[] =
// {
// {"no-gui", no_argument, NULL, 'N' },
// {"help", no_argument, NULL, 'h' },
// {"policies-dir", required_argument, NULL, 'P'},
// {"modules-dir", required_argument, NULL, 'M'}
// };
// int option_index = 0;
//#endif
//
// int opt;
// do
// {
//#ifdef _GNU_SOURCE
// opt = getopt_long(argc, argv, short_options,
// long_options, &option_index);
//#else
// opt = getopt(argc, argv, short_options);
//#endif
//
// switch(opt)
// {
// case - 1:
// // We have finished normally
// break;
// case 'N' :
// // We don't return to main, instead we
// // initialize the command line version
// // of sgpemv2 (?)
//
// // FIXME : to be written!
// break;
// case 'P':
// GlobalPreferences::get_instance().add_policies_dir(optarg);
// break;
// case 'M':
// GlobalPreferences::get_instance().add_modules_dir(optarg);
// break;
// case ':':
// printf(_("[EE] Wrong number of parameters. Please see \n"
// "%s --help\n"), argv[0]);
// exit(-1);
// case 'h' :
// default :
// display_help();
// }
// }
// while( opt != -1 );
//
// // Set these two to start from additional filenames on the cmdline:
// argc -= optind;
// argv += optind;
//}
void
display_help()
{
printf( _("SGPEMv2 is an educational software acting as a process scheduling simulator\n"
"\n\nUsage : sgpemv2 [options] filename"
"\n\nOptions:\n"
"\t-h, --help this help you're reading\n"
"\t-N, --no-gui starts the program in command line mode\n"
"\t-P dir, --policies-dir=dir\n"
"\t add this directory to the default modules\n"
"\t search path\n"
"\t-M dir, --modules-dir=dir\n"
"\t add this directory to default plugin\n"
"\t search path\n"
"\nFilename:\n"
"\t a valid SGPEMv2 XML file\n"
"\t to be opened.\n"
"\nLong options are available only on GNU systems.\n\n" ) );
exit(0);
}
void
print_license()