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package Data::FormValidator::Constraints::Words; |
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use strict; |
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use warnings; |
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use vars qw($VERSION $AUTOLOAD |
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$REALNAME $BASICWORDS $SIMPLEWORDS $PRINTSAFE $PARAGRAPH |
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$USERNAME $PASSWORD); |
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$VERSION = '0.09'; |
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#---------------------------------------------------------------------------- |
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=head1 NAME |
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Data::FormValidator::Constraints::Words - Data constraints for word inputs. |
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=head1 SYNOPSIS |
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use Data::FormValidator::Constraints::Words; |
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my $rv = Data::FormValidator->check(\%input, { |
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real_name => realname(), |
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basic_words => basicwords(), |
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simple_words => simplewords(), |
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print_safe => printsafe(), |
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paragraph => paragraph(), |
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username => username(), |
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password => password(), |
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}, |
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# or, use the regular functions |
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my $rv = Data::FormValidator->check(\%input, { |
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comments => sub { |
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my($dfv, $value) = @_; |
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return $dfv->match_paragraph($value); |
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} |
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}); |
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=head1 DESCRIPTION |
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C provides several methods that |
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can be used to generate constraint closures for use with C |
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for the purpose of validating textual input. |
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=cut |
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#---------------------------------------------------------------------------- |
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# Exporter Settings |
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require Exporter; |
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use vars qw($VERSION @ISA @EXPORT); |
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@ISA = qw(Exporter); |
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@EXPORT = qw( |
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realname valid_realname match_realname |
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basicwords valid_basicwords match_basicwords |
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simplewords valid_simplewords match_simplewords |
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printsafe valid_printsafe match_printsafe |
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paragraph valid_paragraph match_paragraph |
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username valid_username match_username |
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password valid_password match_password |
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); |
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#---------------------------------------------------------------------------- |
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# Variables |
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=head1 CHARACTER SETS |
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In the methods below several character code ranges are specified, below is |
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a quick guide to what those ranges represent: |
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Dec Oct Hex Description |
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--------------------------------------------------------- |
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32-47 040-057 20-2F ASCII symbols |
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48-57 060-071 30-39 ASCII numerals |
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58-64 072-100 3A-40 ASCII symbols |
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65-90 101-132 41-5A ASCII uppercase alphabetics |
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91-96 133-140 5B-60 ASCII symbols |
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97-122 141-172 61-7A ASCII lowercase alphabetics |
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123-126 173-176 7B-7E ASCII symbols |
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128-159 200-237 80-9F Extended symbols (unsupported in HTML4 standard) |
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160-191 240-277 A0-BF Extended symbols |
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192-255 300-377 C0-FF Extended alphabetics |
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The above table is based on the ISO Latin 1 (ISO 8859-1) set of encodings. The |
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character range of 128-159 has no corresponding HTML entity encodings, and are |
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considered control characters in the ISO Latin 1 character set. See |
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http://www.ascii-code.com/ for more details. |
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If you wish to override these settings, subclass this module and set the |
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appropriate values for the following regular expression settings: |
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$REALNAME = q/\-\s\w.,\'\xC0-\xFF/; |
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$BASICWORDS = q/\-\s\w.,\'\"&;:\?\#\xC0-\xFF/; |
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$SIMPLEWORDS = q/\-\s\w.,\'\"&;:\?\#~\+=\(\)\[\]\{\}<>\/!\xC0-\xFF/; |
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$PRINTSAFE = q/\s\x20-\x7E\xA0-\xFF/; |
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$PARAGRAPH = q/\s\x20-\x7E\xA0-\xFF/; |
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$USERNAME = q/\x30-\x39\x41-\x5A\x61-\x7A\x8A\x8C\x8E\x9A\x9C\x9E\x9F\xC0-\xFF/; |
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$PASSWORD = q/\x21-\x7E\x80\x82-\x8C\x8E\x91-\x9C\x9E-\x9F\xA1-\xAC\xAE-\xFF/; |
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Note that these are used within a character class, so characters such as '-' |
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must be escaped. |
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Although here PRINTSAFE and PARAGRAPH are the same, they may not be when |
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subclassed. |
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Both USERNAME and PASSWORD exclude whitespace characters, while USERNAME also |
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excludes all symbol characters. |
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=cut |
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$REALNAME = q/\-\s\w.,\'\xC0-\xFF/; |
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$BASICWORDS = q/\-\s\w.,\'\"&;:\?\#\xC0-\xFF/; |
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$SIMPLEWORDS = q/\-\s\w.,\'\"&;:\?\#~\+=\(\)\[\]\{\}<>\/!\xC0-\xFF/; |
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$PRINTSAFE = q/\s\x20-\x7E\xA0-\xFF/; |
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$PARAGRAPH = q/\s\x20-\x7E\xA0-\xFF/; |
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$USERNAME = q/\x30-\x39\x41-\x5A\x61-\x7A\x8A\x8C\x8E\x9A\x9C\x9E\x9F\xC0-\xFF/; |
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$PASSWORD = q/\x21-\x7E\x80\x82-\x8C\x8E\x91-\x9C\x9E-\x9F\xA1-\xAC\xAE-\xFF/; |
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#---------------------------------------------------------------------------- |
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# Subroutines |
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=head1 METHODS |
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=head2 realname |
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The realname methods allows commonly used characters within a person's name |
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to be used. Also restricts the string length to 128 characters. Acceptable |
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characters must match the $REALNAME regular expression. |
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=over 4 |
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=item * realname |
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=item * valid_realname |
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=item * match_realname |
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=back |
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=cut |
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sub realname { |
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return sub { |
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my ($self,$word) = @_; |
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$self->set_current_constraint_name('realname'); |
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$self->valid_realname($word); |
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} |
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} |
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sub valid_realname { |
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my ($self,$word) = @_; |
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return 0 unless($word); |
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$word =~ m< ^( [$REALNAME]+ )$ >x ? 1 : 0; |
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} |
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sub match_realname { |
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my ($self,$word) = @_; |
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return unless defined $word; |
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$word =~ s/\s+/ /g; |
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$word =~ s/[^$REALNAME]+//g; |
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return substr $word, 0, 128; |
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} |
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=head2 basicwords |
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The basicwords methods allow a restricted character set to match simple |
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strings, such as reference codes. Acceptable characters must match the |
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$BASICWORDS regular expression: |
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=over 4 |
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=item * basicwords |
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=item * valid_basicwords |
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=item * match_basicwords |
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=back |
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=cut |
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sub basicwords { |
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return sub { |
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9091
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my ($self,$word) = @_; |
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$self->set_current_constraint_name('basicwords'); |
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$self->valid_basicwords($word); |
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} |
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} |
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sub match_basicwords { |
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my ($self,$word) = @_; |
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return unless defined $word; |
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$word =~ m< ^( [$BASICWORDS]+ )$ >x ? $1 : undef; |
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} |
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=head2 simplewords |
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The simplewords methods allow commonly used characters within simple text box |
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input, such as for titles. Acceptable characters must match the $SIMPLEWORDS |
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regular expression. |
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=over 4 |
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=item * simplewords |
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=item * valid_simplewords |
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209
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=item * match_simplewords |
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=back |
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=cut |
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215
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sub simplewords { |
216
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return sub { |
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6
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6
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8504
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my ($self,$word) = @_; |
218
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6
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14
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$self->set_current_constraint_name('simplewords'); |
219
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38
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$self->valid_simplewords($word); |
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} |
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2
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} |
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223
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sub match_simplewords { |
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20
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1
|
3128
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my ($self,$word) = @_; |
225
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20
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100
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52
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return unless defined $word; |
226
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18
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100
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1109
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$word =~ m< ^( [$SIMPLEWORDS]+ )$ >x ? $1 : undef; |
227
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} |
228
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229
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=head2 printsafe |
230
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231
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The printsafe methods restrict characters to those non-control characters |
232
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within the character set. Acceptable characters must match the $PRINTSAFE |
233
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regular expression. |
234
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235
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=over 4 |
236
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237
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=item * printsafe |
238
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239
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=item * valid_printsafe |
240
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241
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=item * match_printsafe |
242
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243
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=back |
244
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245
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|
=cut |
246
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247
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sub printsafe { |
248
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|
return sub { |
249
|
6
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6
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8470
|
my ($self,$word) = @_; |
250
|
6
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|
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13
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$self->set_current_constraint_name('printsafe'); |
251
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6
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23
|
$self->valid_printsafe($word); |
252
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} |
253
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2
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2
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1
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9
|
} |
254
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255
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sub valid_printsafe { |
256
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13
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|
|
13
|
1
|
3028
|
my ($self,$word) = @_; |
257
|
13
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100
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|
41
|
return unless defined $word; |
258
|
12
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100
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|
|
|
357
|
$word =~ m< ^( [$PRINTSAFE]+ )$ >x ? 1 : 0; |
259
|
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|
} |
260
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261
|
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|
sub match_printsafe { |
262
|
7
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|
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7
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1
|
3222
|
my ($self,$word) = @_; |
263
|
7
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100
|
|
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|
27
|
return unless defined $word; |
264
|
6
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|
|
|
|
53
|
$word =~ s/[^$PRINTSAFE]+//; |
265
|
6
|
|
100
|
|
|
29
|
return $word || undef; |
266
|
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|
|
} |
267
|
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268
|
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|
=head2 paragraph |
269
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270
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|
|
The paragraph methods allows for a larger range of characters that would be |
271
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|
expected to appear in a textarea input, such as a news story or a review. |
272
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Acceptable characters must match the $PARAGRAPH regular expression: |
273
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274
|
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|
=over 4 |
275
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276
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|
|
=item * paragraph |
277
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278
|
|
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|
|
=item * valid_paragraph |
279
|
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280
|
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|
|
=item * match_paragraph |
281
|
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282
|
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|
=back |
283
|
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|
284
|
|
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|
|
=cut |
285
|
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|
286
|
|
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|
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|
|
sub paragraph { |
287
|
|
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|
|
|
|
return sub { |
288
|
6
|
|
|
6
|
|
8790
|
my ($self,$word) = @_; |
289
|
6
|
|
|
|
|
15
|
$self->set_current_constraint_name('paragraph'); |
290
|
6
|
|
|
|
|
55
|
$self->valid_paragraph($word); |
291
|
|
|
|
|
|
|
} |
292
|
2
|
|
|
2
|
1
|
8
|
} |
293
|
|
|
|
|
|
|
|
294
|
|
|
|
|
|
|
sub match_paragraph { |
295
|
20
|
|
|
20
|
1
|
3365
|
my ($self,$word) = @_; |
296
|
20
|
100
|
|
|
|
55
|
return unless defined $word; |
297
|
18
|
100
|
|
|
|
510
|
$word =~ m< ^( [$PARAGRAPH]+ )$ >x ? $1 : undef; |
298
|
|
|
|
|
|
|
} |
299
|
|
|
|
|
|
|
|
300
|
|
|
|
|
|
|
=head2 username |
301
|
|
|
|
|
|
|
|
302
|
|
|
|
|
|
|
The username methods allows for a restricted range of letter only characters |
303
|
|
|
|
|
|
|
that would be expected to appear in a username style input field. Acceptable |
304
|
|
|
|
|
|
|
characters must match the $USERNAME regular expression: |
305
|
|
|
|
|
|
|
|
306
|
|
|
|
|
|
|
=over 4 |
307
|
|
|
|
|
|
|
|
308
|
|
|
|
|
|
|
=item * username |
309
|
|
|
|
|
|
|
|
310
|
|
|
|
|
|
|
=item * valid_username |
311
|
|
|
|
|
|
|
|
312
|
|
|
|
|
|
|
=item * match_username |
313
|
|
|
|
|
|
|
|
314
|
|
|
|
|
|
|
=back |
315
|
|
|
|
|
|
|
|
316
|
|
|
|
|
|
|
=cut |
317
|
|
|
|
|
|
|
|
318
|
|
|
|
|
|
|
sub username { |
319
|
|
|
|
|
|
|
return sub { |
320
|
6
|
|
|
6
|
|
7448
|
my ($self,$word) = @_; |
321
|
6
|
|
|
|
|
17
|
$self->set_current_constraint_name('username'); |
322
|
6
|
|
|
|
|
32
|
$self->valid_username($word); |
323
|
|
|
|
|
|
|
} |
324
|
2
|
|
|
2
|
1
|
11
|
} |
325
|
|
|
|
|
|
|
|
326
|
|
|
|
|
|
|
sub match_username { |
327
|
20
|
|
|
20
|
1
|
3141
|
my ($self,$word) = @_; |
328
|
20
|
100
|
|
|
|
59
|
return unless defined $word; |
329
|
18
|
100
|
|
|
|
244
|
$word =~ m< ^( [$USERNAME]+ )$ >x ? $1 : undef; |
330
|
|
|
|
|
|
|
} |
331
|
|
|
|
|
|
|
|
332
|
|
|
|
|
|
|
=head2 password |
333
|
|
|
|
|
|
|
|
334
|
|
|
|
|
|
|
The password methods allows for a restricted range of characters that would be |
335
|
|
|
|
|
|
|
expected to appear in a password style input field. Acceptable characters must |
336
|
|
|
|
|
|
|
match the $PASSWORD regular expression: |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
=over 4 |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
=item * password |
341
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
=item * valid_password |
343
|
|
|
|
|
|
|
|
344
|
|
|
|
|
|
|
=item * match_password |
345
|
|
|
|
|
|
|
|
346
|
|
|
|
|
|
|
=back |
347
|
|
|
|
|
|
|
|
348
|
|
|
|
|
|
|
=cut |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
sub password { |
351
|
|
|
|
|
|
|
return sub { |
352
|
6
|
|
|
6
|
|
8672
|
my ($self,$word) = @_; |
353
|
6
|
|
|
|
|
11
|
$self->set_current_constraint_name('password'); |
354
|
6
|
|
|
|
|
38
|
$self->valid_password($word); |
355
|
|
|
|
|
|
|
} |
356
|
2
|
|
|
2
|
1
|
22
|
} |
357
|
|
|
|
|
|
|
|
358
|
|
|
|
|
|
|
sub match_password { |
359
|
20
|
|
|
20
|
1
|
2911
|
my ($self,$word) = @_; |
360
|
20
|
100
|
|
|
|
53
|
return unless defined $word; |
361
|
18
|
100
|
|
|
|
203
|
$word =~ m< ^( [$PASSWORD]+ )$ >x ? $1 : undef; |
362
|
|
|
|
|
|
|
} |
363
|
|
|
|
|
|
|
|
364
|
|
|
|
|
|
|
sub AUTOLOAD { |
365
|
65
|
|
|
65
|
|
14328
|
my $name = $AUTOLOAD; |
366
|
|
|
|
|
|
|
|
367
|
7
|
|
|
7
|
|
42
|
no strict qw/refs/; |
|
7
|
|
|
|
|
7
|
|
|
7
|
|
|
|
|
771
|
|
368
|
|
|
|
|
|
|
|
369
|
65
|
|
|
|
|
380
|
my ($pkg,$sub) = $name =~ m/^(.*::)valid_(.*)/; |
370
|
65
|
50
|
|
|
|
153
|
return unless($sub); |
371
|
|
|
|
|
|
|
|
372
|
|
|
|
|
|
|
# All non-defined valid_* routines are essentially identical to their |
373
|
|
|
|
|
|
|
# match_* counterpart, we're going to generate them dynamically from |
374
|
|
|
|
|
|
|
# the appropriate match_* routine. |
375
|
65
|
|
|
|
|
78
|
return defined &{$pkg.'match_' . $sub}(@_); |
|
65
|
|
|
|
|
305
|
|
376
|
|
|
|
|
|
|
} |
377
|
|
|
|
|
|
|
|
378
|
|
|
|
|
|
|
1; |
379
|
|
|
|
|
|
|
|
380
|
|
|
|
|
|
|
__END__ |