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=head1 NAME
Glib::OptionGroup - group of options for command line option parsing
=cut
=for position SYNOPSIS
=head1 SYNOPSIS
my ($verbose, $source, $filenames) = ('', undef, []);
my $entries = [
{ long_name => 'verbose',
short_name => 'v',
arg_type => 'none',
arg_value => \$verbose,
description => 'be verbose' },
{ long_name => 'source',
short_name => 's',
arg_type => 'string',
arg_value => \$source,
description => 'set the source',
arg_description => 'source' },
[ 'filenames', 'f', 'filename-array', \$filenames ],
];
my $context = Glib::OptionContext->new ('- urgsify your life');
$context->add_main_entries ($entries, 'C');
$context->parse ();
# $verbose, $source, and $filenames are now updated according to the
# command line options given
=cut
=head1 HIERARCHY
Glib::Boxed
+----Glib::OptionGroup
=cut
=for object Glib::OptionGroup group of options for command line option parsing
=cut
=head1 METHODS
=head2 optioncontext = Glib::OptionContext-E<gt>B<new> ($parameter_string)
=over
=item * $parameter_string (string)
=back
=head2 optiongroup = Glib::OptionGroup->B<new> (key => value, ...)
=over
=back
Creates a new option group from the given key-value pairs. The valid keys are
name, description, help_description, and entries. The first three specify
strings while the last one, entries, specifies an array reference of option
entries. Example:
my $group = Glib::OptionGroup->new (
name => 'urgs',
description => 'Urgs Urgs Urgs',
help_description => 'Help with Urgs',
entries => \@entries);
An option entry is a hash reference like this:
{ long_name => 'verbose',
short_name => 'v',
flags => [qw/reverse hidden in-main/],
arg_type => 'none',
arg_value => \$verbose,
description => 'verbose desc.',
arg_description => 'verbose arg desc.' }
Of those keys only long_name, arg_type, and arg_value are required. So this is
a valid option entry too:
{ long_name => 'package-names',
arg_type => 'string-array',
arg_value => \$package_names }
For convenience, option entries can also be specified as array references
containing long_name, short_name, arg_type, and arg_value:
[ 'filenames', 'f', 'filename-array', \$filenames ]
If you don't want an option to have a short name, specify undef for it:
[ 'filenames', undef, 'filename-array', \$filenames ]
=head2 $context-E<gt>B<add_group> ($group)
=over
=item * $group (Glib::OptionGroup)
=back
=head2 $context-E<gt>B<add_main_entries> ($entries, $translation_domain)
=over
=item * $entries (scalar) reference to an array of option entries
=item * $translation_domain (string)
=back
=head2 boolean = $context-E<gt>B<get_help_enabled>
=head2 $context-E<gt>B<set_help_enabled> ($help_enabled)
=over
=item * $help_enabled (boolean)
=back
=head2 boolean = $context-E<gt>B<get_ignore_unknown_options>
=head2 $context-E<gt>B<set_ignore_unknown_options> ($ignore_unknown)
=over
=item * $ignore_unknown (boolean)
=back
=head2 optiongroup = $context-E<gt>B<get_main_group>
=head2 $context-E<gt>B<set_main_group> ($group)
=over
=item * $group (Glib::OptionGroup)
=back
=head2 boolean = $context-E<gt>B<parse>
This method works directly on I<@ARGV>.
May croak with a L<Glib::Error> in $@ on failure.
=head2 $group-E<gt>B<set_translate_func> ($func, $data=undef)
=over
=item * $func (scalar)
=item * $data (scalar)
=back
=head2 $group-E<gt>B<set_translation_domain> ($domain)
=over
=item * $domain (string)
=back
=cut
=head1 ENUMS AND FLAGS
=head2 enum Glib::OptionArg
=over
=item * 'none' / 'G_OPTION_ARG_NONE'
=item * 'string' / 'G_OPTION_ARG_STRING'
=item * 'int' / 'G_OPTION_ARG_INT'
=item * 'callback' / 'G_OPTION_ARG_CALLBACK'
=item * 'filename' / 'G_OPTION_ARG_FILENAME'
=item * 'string-array' / 'G_OPTION_ARG_STRING_ARRAY'
=item * 'filename-array' / 'G_OPTION_ARG_FILENAME_ARRAY'
=item * 'double' / 'G_OPTION_ARG_DOUBLE'
=item * 'int64' / 'G_OPTION_ARG_INT64'
=back
=head2 flags Glib::OptionFlags
=over
=item * 'hidden' / 'G_OPTION_FLAG_HIDDEN'
=item * 'in-main' / 'G_OPTION_FLAG_IN_MAIN'
=item * 'reverse' / 'G_OPTION_FLAG_REVERSE'
=item * 'no-arg' / 'G_OPTION_FLAG_NO_ARG'
=item * 'filename' / 'G_OPTION_FLAG_FILENAME'
=item * 'optional-arg' / 'G_OPTION_FLAG_OPTIONAL_ARG'
=item * 'noalias' / 'G_OPTION_FLAG_NOALIAS'
=back
=cut
=head1 SEE ALSO
L<Glib>, L<Glib::Boxed>
=cut
=head1 COPYRIGHT
Copyright (C) 2003-2011 by the gtk2-perl team.
This software is licensed under the LGPL. See L<Glib> for a full notice.
=cut
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