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# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

package Automake::Getopt;

=head1 NAME

Automake::Getopt - GCS conforming parser for command line options

=head1 SYNOPSIS

use Automake::Getopt;

=head1 DESCRIPTION

Export a function C<parse_options>, performing parsing of command
line options in conformance to the GNU Coding standards.

=cut

use 5.006;
use strict;
use warnings FATAL => 'all';
use Exporter ();
use Getopt::Long ();
use Automake::ChannelDefs qw/fatal/;
use Carp qw/croak confess/;

use vars qw (@ISA @EXPORT);
@ISA = qw (Exporter);
@EXPORT= qw/getopt/;

=item C<parse_options (%option)>

Wrapper around C<Getopt::Long>, trying to conform to the GNU
Coding Standards for error messages.

=cut

sub parse_options (%)
{
  my %option = @_;

Getopt::Long::Configure ("bundling", "pass_through");
  # Unrecognized options are passed through, so GetOption can only fail
  # due to internal errors or misuse of options specification.
  Getopt::Long::GetOptions (%option)
    or confess "error in options specification (likely)";

if (@ARGV && $ARGV[0] =~ /^-./)
    {
      my %argopts;
      for my $k (keys %option)
	{
	  if ($k =~ /(.*)=s$/)
	    {
	      map { $argopts{(length ($_) == 1)
			     ? "-$_" : "--$_" } = 1; } (split (/\|/, $1));
	    }
	}
      if ($ARGV[0] eq '--')
	{
	  shift @ARGV;
	}
      elsif (exists $argopts{$ARGV[0]})
	{
	  fatal ("option '$ARGV[0]' requires an argument\n"
		 . "Try '$0 --help' for more information.");
	}
      else
	{
	  fatal ("unrecognized option '$ARGV[0]'.\n"
		 . "Try '$0 --help' for more information.");
	}
    }
}

=back

=head1 SEE ALSO

L<Getopt::Long>

=cut

1; # for require

Batal

⬅ automake-1.16 21 item

Nama	Tipe	Ukuran	Diubah	Aksi
📄ChannelDefs.pm	pm	10.5 KB	2020-01-01 19:43	✏️ 👁️
📄Channels.pm	pm	20 KB	2020-01-01 19:43	✏️ 👁️
📄Condition.pm	pm	14.8 KB	2020-01-01 19:43	✏️ 👁️
📄Config.pm	pm	1.5 KB	2023-09-27 12:16	✏️ 👁️
📄Configure_ac.pm	pm	2.9 KB	2020-01-01 19:43	✏️ 👁️
📄DisjConditions.pm	pm	14 KB	2020-01-01 19:43	✏️ 👁️
📄FileUtils.pm	pm	8.9 KB	2020-01-01 19:43	✏️ 👁️
📄General.pm	pm	2 KB	2020-01-01 19:43	✏️ 👁️
📄Getopt.pm	pm	2.2 KB	2020-01-01 19:43	✏️ 👁️
📄Item.pm	pm	4 KB	2020-01-01 19:43	✏️ 👁️
📄ItemDef.pm	pm	1.9 KB	2020-01-01 19:43	✏️ 👁️
📄Language.pm	pm	2.7 KB	2020-01-01 19:43	✏️ 👁️
📄Location.pm	pm	5.4 KB	2020-01-01 19:43	✏️ 👁️
📄Options.pm	pm	11.2 KB	2020-01-01 19:43	✏️ 👁️
📄Rule.pm	pm	23.6 KB	2020-01-01 19:43	✏️ 👁️
📄RuleDef.pm	pm	2.2 KB	2020-01-01 19:43	✏️ 👁️
📄VarDef.pm	pm	8.4 KB	2020-01-01 19:43	✏️ 👁️
📄Variable.pm	pm	44.9 KB	2020-01-01 19:43	✏️ 👁️
📄Version.pm	pm	3.8 KB	2020-01-01 19:43	✏️ 👁️
📄Wrap.pm	pm	3.6 KB	2020-01-01 19:43	✏️ 👁️
📄XFile.pm	pm	7.3 KB	2020-01-01 19:43	✏️ 👁️

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