.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.43) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "Validation::Class::Directive 3pm" .TH Validation::Class::Directive 3pm "2023-06-11" "perl v5.36.0" "User Contributed Perl Documentation" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" Validation::Class::Directive \- Base Class for Validation Class Directives .SH "VERSION" .IX Header "VERSION" version 7.900059 .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& package Validation::Class::Directive::CheckBlacklist; \& \& use base \*(AqValidation::Class::Directive\*(Aq; \& \& use strict; \& use warnings; \& use Validation::Class::Util; \& use File::Slurp; \& \& has \*(Aqmixin\*(Aq => 0; \& has \*(Aqfield\*(Aq => 1; \& has \*(Aqmulti\*(Aq => 0; \& has \*(Aqmessage\*(Aq => \*(Aq%s has been blacklisted\*(Aq; \& \& sub validate { \& \& my $self = shift; \& \& my ($proto, $field, $param) = @_; \& \& if (defined $field\->{check_blacklist} && $param) { \& \& # is the parameter value blacklisted? \& my @blacklist = read_file(\*(Aq/blacklist.txt\*(Aq); \& \& $self\->error if grep { $param =~ /^$_$/ } @blacklist; \& \& } \& \& } \& \& 1; .Ve .PP \&... in your validation class: .PP .Vb 1 \& package MyApp::Person; \& \& use Validation::Class; \& \& field ip_address => { \& required => 1, \& check_blacklist => 1 \& }; \& \& 1; .Ve .PP \&... in your application: .PP .Vb 1 \& package main; \& \& use MyApp::Person; \& \& my $person = MyApp::Person\->new(ip_address => \*(Aq0.0.0.0\*(Aq); \& \& unless ($person\->validates(\*(Aqip_address\*(Aq)) { \& # handle validation error \& } .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" You can extend Validation::Class by creating your own validation rules (directives). Validation::Class::Directive provides a base-class for you to use when creating new directive classes. Please see Validation::Class::Directives for a complete list of core directives. .SH "AUTHOR" .IX Header "AUTHOR" Al Newkirk .SH "COPYRIGHT AND LICENSE" .IX Header "COPYRIGHT AND LICENSE" This software is copyright (c) 2011 by Al Newkirk. .PP This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.