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ChannelDefs.pm	10.51 KB	-rw-r--r--
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Condition.pm	14.82 KB	-rw-r--r--
Config.pm	1.46 KB	-rw-r--r--
Configure_ac.pm	2.91 KB	-rw-r--r--
DisjConditions.pm	13.97 KB	-rw-r--r--
FileUtils.pm	8.89 KB	-rw-r--r--
General.pm	1.98 KB	-rw-r--r--
Getopt.pm	2.24 KB	-rw-r--r--
Item.pm	4.03 KB	-rw-r--r--
ItemDef.pm	1.93 KB	-rw-r--r--
Language.pm	2.75 KB	-rw-r--r--
Location.pm	5.37 KB	-rw-r--r--
Options.pm	11.2 KB	-rw-r--r--
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Variable.pm	44.9 KB	-rw-r--r--
Version.pm	3.78 KB	-rw-r--r--
Wrap.pm	3.65 KB	-rw-r--r--
XFile.pm	7.29 KB	-rw-r--r--

Code Editor : Getopt.pm

# 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

${this.title}

Code Editor : Getopt.pm