#!/usr/bin/perl
#Copyright (c) 2008, Zane C. Bowers
#All rights reserved.
#
#Redistribution and use in source and binary forms, with or without modification,
#are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#   * Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
#ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
#WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
#IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
#INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
#BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
#DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
#LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
#THE POSSIBILITY OF SUCH DAMAGE.

use strict;
use warnings;
use Getopt::Std;
use ZConf;

$Getopt::Std::STANDARD_HELP_VERSION = 1;

#version function
sub main::VERSION_MESSAGE {
	print "zcvls 0.0.0\n";
}

#print help
sub main::HELP_MESSAGE {
	print "\n".
	      "-c <config>  The config to operate on.\n".
		  "-s <set>  The set to operate on.\n".
		  "-k <key>  The key to be operated on.\n";
}

#gets the options
my %opts=();
getopts('s:c:k:', \%opts);

#makes sure that -c is set
if (!defined($opts{c})) {
	warn('zcvls: -c not defined');
	exit 1;
}

#makes sure that -k is set
if (!defined($opts{k})) {
	$opts{k}='.';
}

#if -f is set, read it

#inits zconf
my $zconf = ZConf->new();
if($zconf->{error}){
	exit 1;
}

#sets up the arguement hash that will be passed for reading it
my %args;
$args{config}=$opts{c};
#if a set is specified, set it
if (defined($opts{s})) {
	$args{set}=$opts{s};
}

#reads it
$zconf->read(\%args);
if(defined($zconf->{error})){
	exit 1;
}

#
my @keys=$zconf->regexVarSearch($opts{c}, $opts{k});
#exit upn error
if (defined($zconf->{error})) {
	exit 1;
}

my $keysInt='0';
while (defined($keys[$keysInt])) {
	print $keys[$keysInt]."\n";
	$keysInt++;
}


=head1 NAME

zcvls - Lists the keys of a ZConf config.

=head1 SYNOPSIS

zcvls [B<-s> <set>] B<-c> <config> [B<-k> <key regex>]

=head1 SWTICHES

=head2 -c <config>

This is the configuration to operate on.

=head2 -k <key>

This is the key to operate on. This is a regex. If not defined,
it defaults to '.'.

=head2 -s <set>

The set to operate on. This is the only optional switch. If it is now defined,
The choosen/default config will be used.

=head1 AUTHOR

Copyright (c) 2008, Zame C. Bowers <vvelox@vvelox.net>

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS` OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=head1 Changelog

=head2 2008-10-06/2:55

Initial release.

=head1 SCRIPT CATEGORIES

Desktop

=head1 OSNAMES

any

=head1 README

zcvls - Lists the keys of a ZConf config.

=cut