/usr/share/perl5/CGI/ValidOp/Base.pm is in libcgi-validop-perl 0.56-1.
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 | package CGI::ValidOp::Base;
use strict;
use warnings;
use Data::Dumper;
use Carp qw/ croak confess /;
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sub new {
my $proto = shift;
my $class = ref $proto || $proto;
my $self = bless {}, $class;
$self->init( @_ );
}
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# if the calling object has a PROPERTIES method, this
# 1) creates accessor methods for each key returned,
# 2) and calls the method with the value
# if the key is prefixed with a '-', only (2) is performed
sub init {
my $self = shift;
my( $args ) = @_;
return $self unless $self->can( 'PROPERTIES' );
$self->{ in_init } = 1; # tells other methods that we're not baked yet
my $config = $self->PROPERTIES;
for( keys %$config ) {
$self->method( $_ )
unless $_ =~ /^-/;
( my $prop = $_ ) =~ s/^-//;
$self->$prop( $config->{ $_ }); # set default
$self->$prop( $args->{ $prop }) # set incoming
if ref $args eq 'HASH' and defined $args->{ $prop };
}
delete $self->{ in_init };
$self;
}
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# creates a method to store the property
sub method {
my $self = shift;
my( $property ) = @_;
my $pkg = caller;
return if $pkg->can( $property );
no strict 'refs';
*{ "${ pkg }::$property" } =
sub {
my $self = shift;
my( $value ) = @_;
if( @_ ) {
undef $value if defined $value and $value eq '';
$self->{ $property } = $value;
}
return unless defined wantarray;
return @{ $self->{ $property }}
if wantarray and ref $self->{ $property } eq 'ARRAY';
return %{ $self->{ $property }}
if wantarray and ref $self->{ $property } eq 'HASH';
$self->{ $property };
};
return;
}
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# accessor for object name; will accept a scalar word
# or a hashref containing a 'name' key
sub set_name {
my $self = shift;
my( $args ) = @_;
my %e = (
api => q/ERROR: set_name() API./,
preq => q/Parameter names are required for all values./,
regex => q/Parameter names must contain only letters, numbers, underscores, and square brackets./,
);
my $name;
if( ref $args ) {
croak $e{ api } unless ref $args eq 'HASH' and keys %$args;
croak $e{ api } unless grep /^name$/ => keys %$args;
croak $e{ preq } unless $args->{ name };
$name = $args->{ name };
}
$name ||= $args;
croak $e{ preq }
unless $name;
croak $e{ regex }
unless $name =~ /^[\w\[\]-]+$/;
$self->{ name } = $name;
$self->{ name };
}
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# adapted from 'CGI Programming with Perl'
sub is_tainted {
my $self = shift;
my( $value ) = @_;
return unless defined $value;
my $blank = substr( $value, 0, 0 );
return not eval { eval "1 || $blank" || 1 };
}
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sub error_decoration {
my $self = shift;
my( $begin, $end ) = @_;
# must accept arrayref
( $begin, $end ) = @$begin
if ref $begin eq 'ARRAY';
# we have to be able to pass undef as the second param
$end = $begin if ! defined $end and @_ == 1;
if( @_ ) {
$self->{ error_decoration } = [ $begin, $end ];
return( $begin, $end );
}
( $begin, $end ) = @{ $self->{ error_decoration }}
if $self->{ error_decoration };
return @{ $self->{ error_decoration }}
if defined $begin or defined $end;
return;
};
1;
__END__
=head1 NAME
CGI::ValidOp::Base - base class for CGI::ValidOp and its associates.
=head1 DESCRIPTION
Provides object and method construction, and other common methods, for other CGI::ValidOp classes. Should not be used directly; see L<CGI::ValidOp>.
=head1 AUTHOR
Randall Hansen <legless@cpan.org>
=head1 COPYRIGHT
Copyright (c) 2003-2005 Randall Hansen. All rights reserved.
This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself.
See http://www.perl.com/perl/misc/Artistic.html
=cut
# $Id: Base.pm 387 2005-04-21 23:45:27Z soh $
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