- Option parsing system is now complete, shame on me, Glib::Option* was so easy to use...
- This is not so important, but the app now segfaults because of this "improvement", don`t say it`s my fault, from what I can understand, glib crashes at some time in between the call to parse_options() is terminated and the call to start_gui() is performed git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@735 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
elvez
parent
b6da06e014
commit
3125f3d3cf
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@ -24,142 +24,191 @@
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#include "backend/global_preferences.hh"
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#include "parse_opts.hh"
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#ifdef _GNU_SOURCE
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#include <getopt.h>
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#endif
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//#ifdef _GNU_SOURCE
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//#include <getopt.h>
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//#endif
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#include <cstdio>
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#include <glibmm/optioncontext.h>
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//#include <cstdio>
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#include <cstdlib>
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#include <unistd.h>
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//#include <unistd.h>
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#include <iostream>
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using namespace sgpem;
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// Static declarations:
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static void display_help();
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// Glib-version
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//void
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//parse_options(int& argc, char**& argv)
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//{
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// print_license();
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//
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// // Prepare the option entries
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//
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// OptionEntry no_gui;
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// OptionEntry policies_dir;
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// OptionEntry modules_dir;
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//
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// no_gui.set_short_name("N");
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// policies_dir.set_short_name("P");
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// modules_dir.set_short_name("M");
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//
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//#ifdef _GNU_SOURCE
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// no_gui.set_long_name("no-gui");
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// policies_dir.set_long_name("policies-dir");
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// modules_dir.set_long_name("modules_dir");
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//#endif
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//
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// no_gui.set_flags(OptionEntry::FLAG_NO_ARG);
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//
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// // Places where arguments will be saved
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// std::string policies_dir_val;
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// std::string modules_dir_val;
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//
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// // Create the only group
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//
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// OptionGroup group("options", "options");
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//
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// group.add_entry(no_gui);
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// group.add_entry(policies_dir, policies_dir_val);
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// group.add_entry(modules_dir, modules_dir_val);
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//
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// // Create context
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//
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// OptionContext context("SGPEMv2, a graphical simulator for process scheduling in a multitasking computer");
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//
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// context.set_main_group(group);
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// context.set_help_enabled(true);
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//
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// // Parse options
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//
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// std::auto_ptr<Glib::Error> error(NULL);
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// if(!context.parse_opts(argc, argv, error))
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// {
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// std::cout << "Bad invocation: " << error.what() << std::endl;
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//
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// const char *force_help[] = { "sgpem", "--help" };
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// int count = 2;
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//
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// assert(context.parse_opts(force_help, count, error));
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// }
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//
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// // FIXME and now ??? I need MORE documentation for this stuff!!!
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// }
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void
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parse_options(int& argc, char**& argv)
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{
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using sgpem::GlobalPreferences;
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// FIXME this code causes a segfault some time after the method is returned (!!!),
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// ddd says the problem originates from libglib. Any clue?
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using Glib::OptionEntry;
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using Glib::OptionContext;
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using Glib::OptionGroup;
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print_license();
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static const char* short_options = "NhP:M:";
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// Here we try to sort out the order of creation of the Option* objects, but it's useless...
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OptionContext context("SGPEMv2, a graphical simulator for process "
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"scheduling in a multitasking computer");
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OptionGroup group("options", "options");
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// Prepare the option entries
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OptionEntry no_gui;
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OptionEntry policies_dir;
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OptionEntry modules_dir;
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no_gui.set_short_name('N');
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policies_dir.set_short_name('P');
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modules_dir.set_short_name('M');
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#ifdef _GNU_SOURCE
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// Initialize the array for GNU long options
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static struct option long_options[] =
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{
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{"no-gui", no_argument, NULL, 'N' },
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{"help", no_argument, NULL, 'h' },
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{"policies-dir", required_argument, NULL, 'P'},
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{"modules-dir", required_argument, NULL, 'M'}
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};
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int option_index = 0;
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no_gui.set_long_name("no-gui");
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policies_dir.set_long_name("policies-dir");
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modules_dir.set_long_name("modules_dir");
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#endif
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int opt;
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do
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no_gui.set_description("starts the program in command line mode");
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policies_dir.set_description("adds this directory to the default modules search path");
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modules_dir.set_description("adds this directory to default plugin search path");
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// Places where araguments will be saved
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bool no_gui_enabled = false;
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OptionGroup::vecustrings policies_dir_val;
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OptionGroup::vecustrings modules_dir_val;
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// Create the only group
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//OptionGroup group("options", "options");
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group.add_entry(no_gui, no_gui_enabled);
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group.add_entry(policies_dir, policies_dir_val);
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group.add_entry(modules_dir, modules_dir_val);
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// Create context
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//OptionContext context("SGPEMv2, a graphical simulator for process "
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// "scheduling in a multitasking computer");
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context.set_main_group(group);
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context.set_help_enabled(true);
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context.set_ignore_unknown_options(true);
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// Parse options
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try
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{
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#ifdef _GNU_SOURCE
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opt = getopt_long(argc, argv, short_options,
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long_options, &option_index);
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#else
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opt = getopt(argc, argv, short_options);
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#endif
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context.parse(argc, argv);
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switch(opt)
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GlobalPreferences& prefs = GlobalPreferences::get_instance();
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for(Glib::OptionGroup::vecustrings::const_iterator it = policies_dir_val.begin();
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it != policies_dir_val.end(); ++it)
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prefs.add_policies_dir(*it);
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for(Glib::OptionGroup::vecustrings::const_iterator it = modules_dir_val.begin();
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it != modules_dir_val.end(); ++it)
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prefs.add_modules_dir(*it);
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if(no_gui_enabled)
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{
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case - 1:
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// We have finished normally
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break;
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case 'N' :
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// We don't return to main, instead we
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// initialize the command line version
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// of sgpemv2 (?)
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// FIXME : to be written!
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break;
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case 'P':
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GlobalPreferences::get_instance().add_policies_dir(optarg);
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break;
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case 'M':
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GlobalPreferences::get_instance().add_modules_dir(optarg);
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break;
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case ':':
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printf(_("[EE] Wrong number of parameters. Please see \n"
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"%s --help\n"), argv[0]);
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exit(-1);
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case 'h' :
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default :
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display_help();
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}
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}
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while( opt != -1 );
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catch(Glib::OptionError e)
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{
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std::cout << "Bad invocation: " << e.what() << std::endl;
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// Set these two to start from additional filenames on the cmdline:
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argc -= optind;
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argv += optind;
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//char *force_help_vec[] = { "sgpem", "--help" };
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//char **force_help = &force_help_vec[0];
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//int count = 2;
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//assert(context.parse(count, force_help));
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}
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// and now ??? I need MORE documentation for this stuff!!!
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// shame on me! it was so easy...
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}
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//void
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//parse_options(int& argc, char**& argv)
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//{
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// using sgpem::GlobalPreferences;
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//
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// print_license();
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//
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// static const char* short_options = "NhP:M:";
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//
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//#ifdef _GNU_SOURCE
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// // Initialize the array for GNU long options
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// static struct option long_options[] =
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// {
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// {"no-gui", no_argument, NULL, 'N' },
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// {"help", no_argument, NULL, 'h' },
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// {"policies-dir", required_argument, NULL, 'P'},
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// {"modules-dir", required_argument, NULL, 'M'}
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// };
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// int option_index = 0;
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//#endif
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//
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// int opt;
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// do
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// {
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//#ifdef _GNU_SOURCE
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// opt = getopt_long(argc, argv, short_options,
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// long_options, &option_index);
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//#else
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// opt = getopt(argc, argv, short_options);
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//#endif
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//
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// switch(opt)
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// {
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// case - 1:
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// // We have finished normally
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// break;
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// case 'N' :
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// // We don't return to main, instead we
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// // initialize the command line version
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// // of sgpemv2 (?)
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//
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// // FIXME : to be written!
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// break;
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// case 'P':
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// GlobalPreferences::get_instance().add_policies_dir(optarg);
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// break;
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// case 'M':
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// GlobalPreferences::get_instance().add_modules_dir(optarg);
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// break;
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// case ':':
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// printf(_("[EE] Wrong number of parameters. Please see \n"
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// "%s --help\n"), argv[0]);
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// exit(-1);
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// case 'h' :
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// default :
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// display_help();
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// }
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// }
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// while( opt != -1 );
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//
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// // Set these two to start from additional filenames on the cmdline:
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// argc -= optind;
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// argv += optind;
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//}
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void
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display_help()
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