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#============================================================= -*-Perl-*-
#
# Template::Plugin::CGI
#
# DESCRIPTION
# Simple Template Toolkit plugin interfacing to the CGI.pm module.
#
# AUTHOR
# Andy Wardley <abw@wardley.org>
#
# COPYRIGHT
# Copyright (C) 1996-2007 Andy Wardley. All Rights Reserved.
#
# This module is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
#
#============================================================================
package Template::Plugin::CGI;
use strict;
use warnings;
use base 'Template::Plugin';
use CGI;
our $VERSION = 2.70;
sub new {
my $class = shift;
my $context = shift;
CGI->new(@_);
}
# monkeypatch CGI::params() method to Do The Right Thing in TT land
sub CGI::params {
my $self = shift;
local $" = ', ';
return $self->{ _TT_PARAMS } ||= do {
# must call Vars() in a list context to receive
# plain list of key/vals rather than a tied hash
my $params = { $self->Vars() };
# convert any null separated values into lists
@$params{ keys %$params } = map {
/\0/ ? [ split /\0/ ] : $_
} values %$params;
$params;
};
}
1;
__END__
=head1 NAME
Template::Plugin::CGI - Interface to the CGI module
=head1 SYNOPSIS
[% USE CGI %]
[% CGI.param('parameter') %]
[% USE things = CGI %]
[% things.param('name') %]
# see CGI docs for other methods provided by the CGI object
=head1 DESCRIPTION
This is a very simple Template Toolkit Plugin interface to the C<CGI> module.
A C<CGI> object will be instantiated via the following directive:
[% USE CGI %]
C<CGI> methods may then be called as follows:
[% CGI.header %]
[% CGI.param('parameter') %]
An alias can be used to provide an alternate name by which the object should
be identified.
[% USE mycgi = CGI %]
[% mycgi.start_form %]
[% mycgi.popup_menu({ Name => 'Color'
Values => [ 'Green' 'Black' 'Brown' ] }) %]
Parenthesised parameters to the C<USE> directive will be passed to the plugin
constructor:
[% USE cgiprm = CGI('uid=abw&name=Andy+Wardley') %]
[% cgiprm.param('uid') %]
=head1 METHODS
In addition to all the methods supported by the C<CGI> module, this
plugin defines the following.
=head2 params()
This method returns a reference to a hash of all the C<CGI> parameters.
Any parameters that have multiple values will be returned as lists.
[% USE CGI('user=abw&item=foo&item=bar') %]
[% CGI.params.user %] # abw
[% CGI.params.item.join(', ') %] # foo, bar
=head1 AUTHOR
Andy Wardley E<lt>abw@wardley.orgE<gt> L<http://wardley.org/>
=head1 COPYRIGHT
Copyright (C) 1996-2007 Andy Wardley. All Rights Reserved.
This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
=head1 SEE ALSO
L<Template::Plugin>, L<CGI>
=cut
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