- Added support for command line option parsing
- Creates a vector with filenames to be opened; not actually useful now, it's already in place when it'll be needed. git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@191 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
parent
7f8760539c
commit
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@ -1,6 +1,5 @@
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# List of source files which contain translatable strings.
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# List of source files which contain translatable strings.
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# src/pippo.cc
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src/parseopts.cc
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# src/pluto.cc
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# ...
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# ...
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@ -48,9 +48,13 @@ sgpemv2_LDADD = $(PYTHON_LDFLAGS) \
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sgpemv2_LDFLAGS = $(PYTHON_EXTRA_LDFLAGS)
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sgpemv2_LDFLAGS = $(PYTHON_EXTRA_LDFLAGS)
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# Please keep this in sorted order:
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# Please keep this in sorted order:
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sgpemv2_SOURCES = main.cc
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sgpemv2_SOURCES = \
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main.cc \
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parseopts.cc
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noinst_HEADERS = # main.hh ...
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noinst_HEADERS = \
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main.hh \
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parseopts.hh
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# loadable python modules
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# loadable python modules
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mod_PYTHON = # policy.py
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mod_PYTHON = # policy.py
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50
src/main.cc
50
src/main.cc
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@ -21,31 +21,47 @@
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#include "config.h"
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#include "config.h"
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#include "gettext.h"
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#include "gettext.h"
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#include "parseopts.hh"
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#include <algorithm>
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#include <functional>
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#include <iostream>
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#include <iostream>
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#include <iterator>
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#include <string>
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#include <vector>
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// Static functions declarations:
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static void print_license();
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int main(int argc, char* argv[]) {
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// Functor to be used by for_each()
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struct create_fnames_vect : public std::unary_function<const char*, void>
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{
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typedef std::vector<std::string>& vect_type;
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public:
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create_fnames_vect(vect_type v) : _v(v) {}
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void operator()(const char* str) {_v.push_back(str);}
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private:
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vect_type _v;
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};
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int
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main(int argc, char* argv[])
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{
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using namespace std;
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// Set up gettext support
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// Set up gettext support
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setlocale(LC_ALL, "");
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setlocale(LC_ALL, "");
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bindtextdomain(PACKAGE, LOCALEDIR);
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bindtextdomain(PACKAGE, LOCALEDIR);
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textdomain(PACKAGE);
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textdomain(PACKAGE);
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// Print out license informations
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// Parses options and prepares vector with
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print_license();
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// filenames of documents to be opened
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vector<string> filenames;
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{
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int a_count = argc;
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char** a_ptr = argv;
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parse_options(a_count, a_ptr);
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for_each(a_ptr, a_ptr+a_count, create_fnames_vect(filenames));
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}
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return 0;
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return 0;
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}
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}
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void print_license() {
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// Do _NOT_ translate this text.
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std::cerr <<
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"SGPEMv2, Copyright (C) 2005, 2006 University of Padova,\n"
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" dept. of Pure and Applied Mathematics.\n"
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"SGPEMv2 comes with ABSOLUTELY NO WARRANTY. This is free \n"
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"software, and you are welcome to redistribute it under \n"
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"the terms of the GNU General Public License; for details\n"
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"see file COPYING contained in the source package. \n"
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<< std::endl;
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}
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@ -0,0 +1,117 @@
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// src/parseopts.cc - Copyright 2005, 2006, University
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// of Padova, dept. of Pure and Applied
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// Mathematics
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//
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// This file is part of SGPEMv2.
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//
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// This is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// SGPEMv2 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with SGPEMv2; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include "config.h"
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#include "gettext.h"
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#include "main.hh"
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#include "parseopts.hh"
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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 <cstdlib>
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#include <unistd.h>
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#include <iostream>
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// Static declarations:
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static void display_help();
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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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static const char* short_options = "nh";
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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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};
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int option_index = 0;
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#endif
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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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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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// FIXME : to be written!
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break;
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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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} while( opt != -1 );
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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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printf( _("SGPEMv2 is an educational software acting as a process scheduling simulator\n"
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"\n\nUsage : stradivari [options]" // filenames"
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"\n\nOptions:\n"
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"\t-h, --help this help you're reading\n"
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"\t-n, --no-gui starts the program in command line mode\n"
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// "\nFilenames:\n"
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// "\t a list of any valid SGPEMv2 XML file\n"
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// "\t to be opened, space-separated.\n"
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"\nLong options are available only on GNU systems.\n\n" ) );
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exit(0);
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}
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void
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print_license()
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{
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// Do _NOT_ translate this text.
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std::cerr <<
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"SGPEMv2, Copyright (C) 2005, 2006 University of Padova,\n"
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" dept. of Pure and Applied Mathematics.\n"
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"SGPEMv2 comes with ABSOLUTELY NO WARRANTY. This is free \n"
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"software, and you are welcome to redistribute it under \n"
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"the terms of the GNU General Public License; for details\n"
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"see file COPYING contained in the source package. \n"
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<< std::endl;
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}
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@ -0,0 +1,40 @@
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// src/parseopts.hh - Copyright 2005, 2006, University
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// of Padova, dept. of Pure and Applied
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// Mathematics
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//
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// This file is part of SGPEMv2.
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//
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// This is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// SGPEMv2 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with SGPEMv2; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef PARSEOPTS_HH
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#define PARSEOPTS_HH 1
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//! Parses command line options
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/** Parses command line options and sets argv to the first filename
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* given to the cmdline.
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* If no filename is given, in the end argc will be 0
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* Else argc will contain the length of the remaining argv[].
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* If you still need the initial values of the global argc and argv
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* passed to the main routine, remember to store them somewhere before
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* calling this function.
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* \param argc The number of elements of the argv array
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* \param argv The array of command line parameter strings
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*/
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void parse_options(int& argc, char**& argv);
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//! Prints license notice text to stderr
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void print_license();
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#endif
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