/usr/share/perl5/HTML/Widgets/NavMenu/Predicate.pm is in libhtml-widgets-navmenu-perl 1.0703-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 | package HTML::Widgets::NavMenu::Predicate;
use strict;
use warnings;
use base 'HTML::Widgets::NavMenu::Object';
__PACKAGE__->mk_acc_ref([
qw(type bool regexp callback _capture)],
);
use HTML::Widgets::NavMenu::ExpandVal;
sub _init
{
my $self = shift;
my %args = (@_);
my $spec = $args{'spec'};
$self->_process_spec($spec);
return 0;
}
my %true_vals = (map { $_ => 1 } (qw(1 yes true True)));
sub _is_true_bool
{
my $self = shift;
my $val = shift;
return exists($true_vals{$val});
}
my %false_vals = (map { $_ => 1 } (qw(0 no false False)));
sub _is_false_bool
{
my $self = shift;
my $val = shift;
return exists($false_vals{$val});
}
sub _get_normalized_spec
{
my $self = shift;
my $spec = shift;
if (ref($spec) eq "HASH")
{
return $spec;
}
if (ref($spec) eq "CODE")
{
return +{ 'cb' => $spec };
}
if ($self->_is_true_bool($spec))
{
return +{ 'bool' => 1, };
}
if ($self->_is_false_bool($spec))
{
return +{ 'bool' => 0, };
}
# Default to regular expression
if (ref($spec) eq "")
{
return +{ 're' => $spec, };
}
die "Unknown spec type!";
}
sub _process_spec
{
my $self = shift;
my $spec = shift;
# TODO: Replace me with the real logic.
$self->_assign_spec(
$self->_get_normalized_spec(
$spec,
),
);
}
sub _assign_spec
{
my $self = shift;
my $spec = shift;
if (exists($spec->{'cb'}))
{
$self->type("callback");
$self->callback($spec->{'cb'});
}
elsif (exists($spec->{'re'}))
{
$self->type("regexp");
$self->regexp($spec->{'re'});
}
elsif (exists($spec->{'bool'}))
{
$self->type("bool");
$self->bool($spec->{'bool'});
}
else
{
die "Neither 'cb' nor 're' nor 'bool' were specified in the spec.";
}
$self->_capture(
(
(!exists($spec->{capt})) ? 1 : $spec->{capt}
)
);
}
sub _evaluate_bool
{
my ($self, $args) = @_;
my $path_info = $args->{'path_info'};
my $current_host = $args->{'current_host'};
my $type = $self->type();
if ($type eq "callback")
{
return $self->callback()->(
%$args
);
}
elsif ($type eq "bool")
{
return $self->bool();
}
else # $type eq "regexp"
{
my $re = $self->regexp();
return (($re eq "") || ($path_info =~ /$re/));
}
}
sub evaluate
{
my $self = shift;
my $bool = $self->_evaluate_bool({@_});
if (!$bool)
{
return $bool;
}
else
{
return HTML::Widgets::NavMenu::ExpandVal->new(
{
capture => $self->_capture()
},
);
}
}
=head1 NAME
HTML::Widgets::NavMenu::Predicate - a predicate object for
HTML::Widgets::NavMenu
=head1 SYNOPSIS
my $pred = HTML::Widgets::NavMenu::Predicate->new('spec' => $spec);
=head1 FUNCTIONS
=head2 my $pred = HTML::Widgets::NavMenu::Predicate->new('spec' => $spec)
Creates a new object.
=head2 $pred->evaluate( 'path_info' => $path_info, 'current_host' => $current_host )
Evaluates the predicate in the context of C<$path_info> and C<$current_host>
and returns the result.
=head2 $pred->type()
The type of the predicate.
=head2 $pred->bool()
Sets/gets the boolean value in case the type is a boolean.
=head2 $pred->callback()
Sets/gets the callback in case the type is callback.
=head2 $pred->regexp()
Sets/gets the regular expression in case the type is "regexp".
=head1 COPYRIGHT & LICENSE
Copyright 2006 Shlomi Fish, all rights reserved.
This program is released under the following license: MIT X11.
=cut
1;
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