use Exporter;
use Autom4te::ChannelDefs;
use Autom4te::Channels;
+use Autom4te::Getopt ();
use File::Basename;
use File::Path ();
use File::stat;
=item C<getopt (%option)>
-Wrapper around C<Getopt::Long>. In addition to the user C<option>s,
-support C<-h>/C<--help>, C<-V>/C<--version>, C<-v>/C<--verbose>,
-C<-d>/C<--debug>, C<-f>/C<--force>. Conform to the GNU Coding
-Standards for error messages. Try to work around a weird behavior
-from C<Getopt::Long> to preserve C<-> as an C<@ARGV> instead of
-rejecting it as a broken option.
+Wrapper around C<Autom4te::Getopt::parse_options>. In addition to
+the user C<option>s, support C<-h>/C<--help>, C<-V>/C<--version>,
+C<-v>/C<--verbose>, C<-d>/C<--debug>, C<-f>/C<--force>. Conform to
+the GNU Coding Standards for error messages.
=cut
sub getopt (%)
{
my (%option) = @_;
- use Getopt::Long;
-
%option = ("h|help" => sub { print $help; exit 0 },
"V|version" => sub { print $version; exit 0 },
# User options last, so that they have precedence.
%option);
- Getopt::Long::Configure ("bundling", "pass_through");
- GetOptions (%option)
- or exit 1;
-
- # FIXME: Lot of code duplication with automake here. It would probably
- # be best to generalize our getopt() func and rip it out in a new module
- # from which automake can sync.
- 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 `$0 --help' for more information.");
- }
- }
+ Autom4te::Getopt::parse_options (%option);
setup_channel 'note', silent => !$verbose;
setup_channel 'verb', silent => !$verbose;
--- /dev/null
+# Copyright (C) 2012 Free Software Foundation, Inc.
+
+# 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 <http://www.gnu.org/licenses/>.
+
+package Autom4te::Getopt;
+
+=head1 NAME
+
+Autom4te::Getopt - GCS conforming parser for command line options
+
+=head1 SYNOPSIS
+
+ use Autom4te::Getopt;
+
+=head1 DESCRIPTION
+
+Export a function C<parse_options>, performing parsing of command
+line options in conformance to the GNU Conding standards.
+
+=cut
+
+use 5.006_002;
+use strict;
+use warnings FATAL => 'all';
+use Exporter ();
+use Getopt::Long ();
+use Autom4te::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
+
+### Setup "GNU" style for perl-mode and cperl-mode.
+## Local Variables:
+## perl-indent-level: 2
+## perl-continued-statement-offset: 2
+## perl-continued-brace-offset: 0
+## perl-brace-offset: 0
+## perl-brace-imaginary-offset: 0
+## perl-label-offset: -2
+## cperl-indent-level: 2
+## cperl-brace-offset: 0
+## cperl-continued-brace-offset: 0
+## cperl-label-offset: -2
+## cperl-extra-newline-before-brace: t
+## cperl-merge-trailing-else: nil
+## cperl-continued-statement-offset: 2
+## End: