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package Egg::Plugin::Filter; |
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# |
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# Masatoshi Mizuno E<lt>lusheE<64>cpan.orgE<gt> |
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# |
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# $Id: Filter.pm 337 2008-05-14 12:30:09Z lushe $ |
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# |
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568
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use strict; |
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use warnings; |
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use HTML::Entities; |
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use Carp qw/croak/; |
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2360
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our $VERSION= '3.01'; |
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my $EGG= 0; |
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my $VAL= 1; |
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my $ARG= 2; |
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our %Filters= ( |
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trim=> sub { |
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return 0 unless defined(${$_[$VAL]}); |
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${$_[$VAL]}=~s{^\s+} []s; |
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${$_[$VAL]}=~s{\s+$} []s; |
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}, |
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hold=> sub { |
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${$_[$VAL]}=~s{\s+} []sg if defined(${$_[$VAL]}); |
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}, |
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hold_crlf=> sub { |
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${$_[$VAL]}=~tr/\n//d if defined(${$_[$VAL]}); |
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}, |
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hold_tab=> sub { |
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${$_[$VAL]}=~tr/\t//d if defined(${$_[$VAL]}); |
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}, |
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hold_blank=> sub { |
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${$_[$VAL]}=~s{ +} []sg if defined(${$_[$VAL]}); |
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}, |
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hold_html=> sub { |
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${$_[$VAL]}=~s{<.+?>} []sg if defined(${$_[$VAL]}); |
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}, |
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strip=> sub { |
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${$_[$VAL]}=~s{\s+} [ ]sg if defined(${$_[$VAL]}); |
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}, |
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strip_blank=> sub { |
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${$_[$VAL]}=~s{ +} [ ]sg if defined(${$_[$VAL]}); |
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}, |
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strip_tab=> sub { |
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${$_[$VAL]}=~s{\t+} [ ]sg if defined(${$_[$VAL]}); |
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}, |
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strip_html=> sub { |
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${$_[$VAL]}=~s{<.+?>} [ ]sg if defined(${$_[$VAL]}); |
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}, |
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strip_crlf=> sub { |
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${$_[$VAL]}=~s{\n+} [ ]sg if defined(${$_[$VAL]}); |
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}, |
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crlf=> sub { |
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return 0 unless defined(${$_[$VAL]}); |
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my $re= "\n" x |
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( $_[$ARG]->[0] ? (($_[$ARG]->[0]=~/(\d+)/)[0] || 2 ): 2 ); |
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${$_[$VAL]}=~s{\n\n+} [$re]sge; |
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}, |
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escape_html=> sub { |
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${$_[$VAL]}= &__escape_html(${$_[$VAL]}) if defined(${$_[$VAL]}); |
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}, |
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digit=> sub { |
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${$_[$VAL]}=~s{\D} []g if defined(${$_[$VAL]}); |
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}, |
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alphanum=> sub { |
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${$_[$VAL]}=~s{\W} []g if defined(${$_[$VAL]}); |
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}, |
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integer=> sub { |
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return 0 unless defined(${$_[$VAL]}); |
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${$_[$VAL]}=~tr/0-9+-//dc; |
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${$_[$VAL]}= ${$_[$VAL]}=~/^([\-\+]?\d+)/ ? $1: undef; |
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}, |
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pos_integer=> sub { |
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return 0 unless defined(${$_[$VAL]}); |
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${$_[$VAL]}=~tr/0-9+//dc; |
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${$_[$VAL]}= ${$_[$VAL]}=~/^(\+?\d+)/ ? $1: undef; |
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}, |
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neg_integer=> sub { |
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return 0 unless defined(${$_[$VAL]}); |
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${$_[$VAL]}=~tr/0-9-//dc; |
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${$_[$VAL]}= ${$_[$VAL]}=~/^(\-?\d+)/ ? $1: undef; |
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}, |
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decimal=> sub { |
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return 0 unless defined(${$_[$VAL]}); |
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${$_[$VAL]}=~tr/,/./; ${$_[$VAL]}=~tr/0-9.+-//dc; |
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${$_[$VAL]}= ${$_[$VAL]}=~/^([\-\+]?\d+\.?\d*)/ ? $1: undef; |
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}, |
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pos_decimal=> sub { |
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return 0 unless defined(${$_[$VAL]}); |
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${$_[$VAL]}=~tr/,/./; ${$_[$VAL]}=~tr/0-9.+//dc; |
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${$_[$VAL]}= ${$_[$VAL]}=~/^(\+?\d+\.?\d*)/ ? $1: undef; |
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}, |
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neg_decimal=> sub { |
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return 0 unless defined(${$_[$VAL]}); |
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${$_[$VAL]}=~tr/,/./; ${$_[$VAL]}=~tr/0-9.-//dc; |
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${$_[$VAL]}= ${$_[$VAL]}=~/^(\-?\d+\.?\d*)/ ? $1: undef; |
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}, |
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dollars=> sub { |
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return 0 unless defined(${$_[$VAL]}); |
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${$_[$VAL]}=~tr/,/./; ${$_[$VAL]}=~tr/0-9.+-//dc; |
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${$_[$VAL]}= ${$_[$VAL]}=~/(\d+\.?\d?\d?)/ ? $1: undef; |
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}, |
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phone=> sub { |
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${$_[$VAL]}=~s/[^\d,\(\)\.\s,\-#]//g if defined(${$_[$VAL]}); |
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}, |
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sql_wildcard=> sub { |
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${$_[$VAL]}=~tr/*/%/ if defined(${$_[$VAL]}); |
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}, |
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quotemeta=> sub { |
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${$_[$VAL]}= quotemeta(${$_[$VAL]}) if defined(${$_[$VAL]}); |
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}, |
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uc=> sub { |
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${$_[$VAL]}= uc(${$_[$VAL]}) || ""; |
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}, |
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ucfirst=> sub { |
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${$_[$VAL]}= ucfirst(${$_[$VAL]}) || ""; |
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}, |
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lc=> sub { |
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${$_[$VAL]}= lc(${$_[$VAL]}) || ""; |
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}, |
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lc_email=> sub { |
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return 0 unless ${$_[$VAL]}; |
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${$_[$VAL]}=~s{\s+} []sg; |
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${$_[$VAL]}=~s{(.+?\@)([^\@]+)$} [$1. lc($2)]e; |
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}, |
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uri=> sub { |
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return 0 unless ${$_[$VAL]}; |
129
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require URI; |
130
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${$_[$VAL]}=~s{\s+} []sg; |
131
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my $uri= URI->new(${$_[$VAL]}); |
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${$_[$VAL]}= $uri->canonical; |
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}, |
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regex=> sub { |
135
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return 0 unless defined(${$_[$VAL]}); |
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for (@{$_[$ARG]}) { ${$_[$VAL]}=~s{$_} []sg } |
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}, |
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); |
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140
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$Filters{hold_space} = $Filters{hold_blank}; |
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$Filters{strip_space} = $Filters{strip_blank}; |
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$Filters{url} = $Filters{uri}; |
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$Filters{email} = $Filters{lc_email}; |
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$Filters{int} = $Filters{integer}; |
145
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146
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0
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0
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sub _filters { \%Filters } |
147
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148
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sub _setup { |
149
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0
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0
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my($e)= @_; |
150
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0
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0
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my $config= $e->config->{plugin_filter} ||= {}; |
151
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0
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0
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if ($config->{plugins}) { |
152
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0
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0
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for my $name (ref($config->{plugins}) eq 'ARRAY' |
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153
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? @{$config->{plugins}}: $config->{plugins}) { |
154
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0
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0
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my $pkg= $name=~m{^\++(.+)} ? $1 |
155
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: __PACKAGE__. "::Plugin::$name"; |
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0
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0
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$pkg->require or die __PACKAGE__.": Error: $@"; |
157
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0
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0
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if (my $code= $pkg->can('_filters')) { |
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0
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158
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0
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0
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my $hash= $code->($pkg, $e) || next; |
159
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0
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@Filters{keys %$hash}= values %$hash; |
160
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} elsif (my $setup= $pkg->can('_setup_filters')) { |
161
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0
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$setup->($pkg, $e); |
162
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} |
163
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} |
164
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} |
165
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0
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0
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unless ($e->isa('Egg::Plugin::Encode')) { |
166
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0
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my $class= $e->global->{request_class}; |
167
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0
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0
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my $code = $class->can('parameters') || \&Egg::Request::parameters; |
168
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1
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1
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6
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no strict 'refs'; ## no critic. |
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1
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2
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1
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27
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169
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1
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1
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5
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no warnings 'redefine'; |
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1
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2
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1
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848
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170
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0
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*{"${class}::parameters"}= sub { |
171
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0
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0
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0
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$_[0]->{parameters} ||= do { |
172
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0
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0
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my $pm= $code->(@_) || {}; |
173
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0
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while (my($key, $v)) { |
174
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0
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0
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next unless defined($v); |
175
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0
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0
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if (ref($v) eq 'ARRAY') { |
176
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0
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for (@$v) { tr/\r//d } |
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0
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177
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0
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$pm->{$key}= $v; |
178
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} else { |
179
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0
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$pm->{$key}=~tr/\r//d; |
180
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} |
181
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} |
182
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0
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$pm; |
183
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}; |
184
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0
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}; |
185
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} |
186
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0
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$e->next::method; |
187
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} |
188
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sub filter { |
189
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0
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0
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0
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1
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my $e= shift; $_[0] || die q{ I want filter attr. }; |
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0
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190
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0
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0
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0
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my($args, $pm)= ref($_[0]) eq 'HASH' |
191
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? (shift, (shift || $e->request->params)) |
192
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: ({@_}, $e->request->params); |
193
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MAINFILTER: |
194
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0
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while (my($key, $config)= each %$args) { |
195
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0
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0
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if ($key=~m{\[}) { |
196
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0
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my($a, @item)= __parse($key); |
197
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0
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0
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exists($pm->{$a}) and croak qq{ '$a' already exists. }; |
198
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0
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0
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$pm->{$a}= join '', map{defined($_) ? $_: ""}@{$pm}{@item}; |
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0
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0
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199
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0
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$key= $a; |
200
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} |
201
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next unless $pm->{$key}; |
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QUERYPARAM: |
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for (ref($pm->{$key}) eq 'ARRAY' ? @{$pm->{$key}}: $pm->{$key}) { |
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my $value= \$_; |
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FILTERPIECE: |
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for my $piece (@$config) { |
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my($name, @args)= $piece=~m{\[} ? __parse($piece): ($piece, ()); |
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my $func= $Filters{$name} || die qq{ '$name' filter is empty. }; |
209
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eval { $func->($e, $value, \@args) }; |
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$@ and die __PACKAGE__. ": $@"; |
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} |
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} |
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} |
214
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$pm; |
215
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} |
216
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sub __parse { |
217
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$_[0]=~m{^([^\[]+)\[(.+)} || croak qq{ filter error - '$_[0]' }; |
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my($n, $p)= ($1, $2); |
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$p=~s{\]\s*$} []; |
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my @tmp; |
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eval "\@tmp = ($p)"; $@ and croak $@; ## no critic. |
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($n, @tmp); |
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} |
224
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0
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sub __escape_html { &HTML::Entities::encode_entities(shift, q{'"&<>}) } |
225
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226
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1; |
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228
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__END__ |
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230
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=head1 NAME |
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232
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Egg::Plugin::Filter - Plugin to regularize input data. |
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234
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=head1 SYNOPSIS |
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236
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use Egg qw/ Filter /; |
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238
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# The received form data is filtered. |
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$e->filter( |
240
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myname => [qw/ hold_html abs_strip trim /], |
241
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address=> [qw/ hold_html crlf:2 abs_strip trim /], |
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tel => [qw/ hold phone /], |
243
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); |
244
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245
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# Cookie is filtered. |
246
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my $cookie= $e->filter( { |
247
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nick_name=> [qw/ strip_html abs_strip trim /], |
248
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email => [qw/ hold_html hold /], |
249
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}, $e->request->cookies ); |
250
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251
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=head1 DESCRIPTION |
252
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253
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It is a plugin target to remove the problem part from data input to the form. |
254
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255
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An original filter can be defined in %Filters. |
256
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257
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package MyApp; |
258
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use Egg qw/ Filter /; |
259
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260
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{ |
261
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my $filter= \%Egg::Plugin::Filter::Filters; |
262
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263
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$filter->{myfilter}= sub { |
264
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|
my($e, $value, $arg)= @_; |
265
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|
.......... |
266
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... |
267
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}; |
268
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}; |
269
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270
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Those filters cannot be used when overwriting because the filter of default is |
271
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defined in %Filters beforehand. |
272
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273
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The name of the defined key becomes the name of the filter. |
274
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275
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|
The object of the project and the value of the object parameter are passed for |
276
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|
the set CODE reference. Moreover, when it is being made to have in the argument |
277
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|
by the filter, it is passed by the third element. |
278
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279
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|
There is especially no return value needing. |
280
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281
|
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|
|
=head1 METHODS |
282
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283
|
|
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|
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|
|
=head2 filter ( [ATTR_HASH], [PARAM_HASH] ) |
284
|
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285
|
|
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|
|
|
|
The filter is processed. |
286
|
|
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|
|
|
|
|
287
|
|
|
|
|
|
|
ATTR_HASH is a filter setting, and the key is a name of the processed parameter. |
288
|
|
|
|
|
|
|
The value enumerates the name of the filter with ARRAY. |
289
|
|
|
|
|
|
|
|
290
|
|
|
|
|
|
|
$e->filter( |
291
|
|
|
|
|
|
|
param_name1 => [qw/ strip space trim /], |
292
|
|
|
|
|
|
|
param_name2 => [qw/ strip_html space trim /], |
293
|
|
|
|
|
|
|
param_name3 => [qw/ strip_html crlf:3 trim /], |
294
|
|
|
|
|
|
|
); |
295
|
|
|
|
|
|
|
|
296
|
|
|
|
|
|
|
The thing that connects the values of the parameter and processes it can be |
297
|
|
|
|
|
|
|
done. |
298
|
|
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|
|
|
|
|
299
|
|
|
|
|
|
|
$e->filter( |
300
|
|
|
|
|
|
|
'anyparam[qw/ param_name1 param_name2 /]' => [qw/ strip space trim /], |
301
|
|
|
|
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|
|
); |
302
|
|
|
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|
|
|
|
303
|
|
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|
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|
|
It is processed being made 'anyparam' to connect 'param_name1' and 'param_name2' |
304
|
|
|
|
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|
|
by this. |
305
|
|
|
|
|
|
|
|
306
|
|
|
|
|
|
|
When the argument can be given to the filter, the argument can be passed according |
307
|
|
|
|
|
|
|
to points like the connection of parameters. |
308
|
|
|
|
|
|
|
|
309
|
|
|
|
|
|
|
$e->filter( |
310
|
|
|
|
|
|
|
param1 => ["regex['^\s+', '\s+$]"], |
311
|
|
|
|
|
|
|
); |
312
|
|
|
|
|
|
|
|
313
|
|
|
|
|
|
|
The processed parameter is passed to PARAM_HASH. |
314
|
|
|
|
|
|
|
When this is unspecification, $e-E<gt>request-E<gt>params is used. |
315
|
|
|
|
|
|
|
|
316
|
|
|
|
|
|
|
=head1 FILTERS |
317
|
|
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|
|
318
|
|
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|
|
|
|
=head2 trim |
319
|
|
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|
|
320
|
|
|
|
|
|
|
The space character in the back and forth is deleted. |
321
|
|
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|
|
322
|
|
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|
|
=head2 hold |
323
|
|
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|
|
324
|
|
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|
|
The space character is completely deleted. |
325
|
|
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|
|
|
|
|
326
|
|
|
|
|
|
|
=head2 hold_crlf |
327
|
|
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|
|
|
|
|
328
|
|
|
|
|
|
|
It is 'hold' in the object only as for changing line and the tab. |
329
|
|
|
|
|
|
|
|
330
|
|
|
|
|
|
|
=head2 hold_tab |
331
|
|
|
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|
|
|
|
332
|
|
|
|
|
|
|
The tab is deleted. |
333
|
|
|
|
|
|
|
|
334
|
|
|
|
|
|
|
=head2 hold_blank |
335
|
|
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|
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|
|
336
|
|
|
|
|
|
|
Consecutive half angle space is settled in one. |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
Alias is 'hold_space'. |
339
|
|
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|
|
|
|
|
340
|
|
|
|
|
|
|
=head2 hold_html |
341
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
The character string seen the HTML tag is deleted. |
343
|
|
|
|
|
|
|
|
344
|
|
|
|
|
|
|
=head2 strip |
345
|
|
|
|
|
|
|
|
346
|
|
|
|
|
|
|
The continuousness of the space character is substituted for one half angle |
347
|
|
|
|
|
|
|
space. |
348
|
|
|
|
|
|
|
|
349
|
|
|
|
|
|
|
=head2 strip_blank |
350
|
|
|
|
|
|
|
|
351
|
|
|
|
|
|
|
The continuousness of half angle space is substituted for one half angle space. |
352
|
|
|
|
|
|
|
|
353
|
|
|
|
|
|
|
Alias is 'strip_space'. |
354
|
|
|
|
|
|
|
|
355
|
|
|
|
|
|
|
=head2 strip_tab |
356
|
|
|
|
|
|
|
|
357
|
|
|
|
|
|
|
Continuousness in the tab is substituted for one half angle space. |
358
|
|
|
|
|
|
|
|
359
|
|
|
|
|
|
|
=head2 strip_html |
360
|
|
|
|
|
|
|
|
361
|
|
|
|
|
|
|
The character string seen the HTML tag is substituted for one half angle space. |
362
|
|
|
|
|
|
|
|
363
|
|
|
|
|
|
|
=head2 strip_crlf |
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
It is 'strip' for changing line and the tab. |
366
|
|
|
|
|
|
|
|
367
|
|
|
|
|
|
|
=head2 crlf [NUM] |
368
|
|
|
|
|
|
|
|
369
|
|
|
|
|
|
|
A consecutive changing line is settled in NUM piece. The tab is deleted. |
370
|
|
|
|
|
|
|
|
371
|
|
|
|
|
|
|
Default when NUM is omitted is 2. |
372
|
|
|
|
|
|
|
|
373
|
|
|
|
|
|
|
param1 => [qw/ crlf[3] /] |
374
|
|
|
|
|
|
|
|
375
|
|
|
|
|
|
|
=head2 escape_html |
376
|
|
|
|
|
|
|
|
377
|
|
|
|
|
|
|
It is 'encode_entities' of L<HTML::Entities>. |
378
|
|
|
|
|
|
|
|
379
|
|
|
|
|
|
|
=head2 digit |
380
|
|
|
|
|
|
|
|
381
|
|
|
|
|
|
|
It deletes it excluding the normal-width figure. |
382
|
|
|
|
|
|
|
|
383
|
|
|
|
|
|
|
=head2 alphanum |
384
|
|
|
|
|
|
|
|
385
|
|
|
|
|
|
|
It deletes it excluding the alphanumeric character. |
386
|
|
|
|
|
|
|
|
387
|
|
|
|
|
|
|
=head2 integer |
388
|
|
|
|
|
|
|
|
389
|
|
|
|
|
|
|
It deletes it excluding the integer. |
390
|
|
|
|
|
|
|
|
391
|
|
|
|
|
|
|
=head2 pos_integer |
392
|
|
|
|
|
|
|
|
393
|
|
|
|
|
|
|
It deletes it excluding the positive integer. |
394
|
|
|
|
|
|
|
|
395
|
|
|
|
|
|
|
=head2 neg_integer |
396
|
|
|
|
|
|
|
|
397
|
|
|
|
|
|
|
It deletes it excluding the negative integer. |
398
|
|
|
|
|
|
|
|
399
|
|
|
|
|
|
|
=head2 decimal |
400
|
|
|
|
|
|
|
|
401
|
|
|
|
|
|
|
It deletes it excluding the integer including small number of people. |
402
|
|
|
|
|
|
|
|
403
|
|
|
|
|
|
|
=head2 pos_decimal |
404
|
|
|
|
|
|
|
|
405
|
|
|
|
|
|
|
It deletes it excluding a positive integer including small number of people. |
406
|
|
|
|
|
|
|
|
407
|
|
|
|
|
|
|
=head2 neg_decimal |
408
|
|
|
|
|
|
|
|
409
|
|
|
|
|
|
|
It deletes it excluding a negative integer including small number of people. |
410
|
|
|
|
|
|
|
|
411
|
|
|
|
|
|
|
=head2 dollars |
412
|
|
|
|
|
|
|
|
413
|
|
|
|
|
|
|
It deletes it excluding the figure that can be used with dollar currency. |
414
|
|
|
|
|
|
|
|
415
|
|
|
|
|
|
|
=head2 phone |
416
|
|
|
|
|
|
|
|
417
|
|
|
|
|
|
|
The character that cannot be used by the telephone number is deleted. |
418
|
|
|
|
|
|
|
|
419
|
|
|
|
|
|
|
=head2 sql_wildcard |
420
|
|
|
|
|
|
|
|
421
|
|
|
|
|
|
|
'*' is substituted for '%'. |
422
|
|
|
|
|
|
|
|
423
|
|
|
|
|
|
|
=head2 quotemeta |
424
|
|
|
|
|
|
|
|
425
|
|
|
|
|
|
|
Quotemeta is done. |
426
|
|
|
|
|
|
|
|
427
|
|
|
|
|
|
|
=head2 uc |
428
|
|
|
|
|
|
|
|
429
|
|
|
|
|
|
|
uc is done. |
430
|
|
|
|
|
|
|
|
431
|
|
|
|
|
|
|
=head2 ucfirst |
432
|
|
|
|
|
|
|
|
433
|
|
|
|
|
|
|
ucfirst is done. |
434
|
|
|
|
|
|
|
|
435
|
|
|
|
|
|
|
=head2 lc |
436
|
|
|
|
|
|
|
|
437
|
|
|
|
|
|
|
lc is done. |
438
|
|
|
|
|
|
|
|
439
|
|
|
|
|
|
|
=head2 lc_email |
440
|
|
|
|
|
|
|
|
441
|
|
|
|
|
|
|
The domain name part in the mail address is converted into the small letter. |
442
|
|
|
|
|
|
|
|
443
|
|
|
|
|
|
|
MyName@DOMAIN.COM => MyName@domain.com |
444
|
|
|
|
|
|
|
|
445
|
|
|
|
|
|
|
Alias is 'email'. |
446
|
|
|
|
|
|
|
|
447
|
|
|
|
|
|
|
=head2 uri |
448
|
|
|
|
|
|
|
|
449
|
|
|
|
|
|
|
The domain name part of URL is converted into the small letter. |
450
|
|
|
|
|
|
|
|
451
|
|
|
|
|
|
|
http://MYDOMAIN.COM/Hoge/Boo.html => http://mydomain.com/Hoge/Boo.html |
452
|
|
|
|
|
|
|
|
453
|
|
|
|
|
|
|
Alias is 'url'. |
454
|
|
|
|
|
|
|
|
455
|
|
|
|
|
|
|
=head2 regex ([REGEXP]) |
456
|
|
|
|
|
|
|
|
457
|
|
|
|
|
|
|
The part that matches to the regular expression specified for REGEXP is deleted. |
458
|
|
|
|
|
|
|
REGEXP is two or more contact. |
459
|
|
|
|
|
|
|
|
460
|
|
|
|
|
|
|
param1 => ["regex['abc', 'xyz']"], |
461
|
|
|
|
|
|
|
|
462
|
|
|
|
|
|
|
=head1 SEE ALSO |
463
|
|
|
|
|
|
|
|
464
|
|
|
|
|
|
|
L<Egg::Release>, |
465
|
|
|
|
|
|
|
L<HTML::Entities>, |
466
|
|
|
|
|
|
|
L<URI>, |
467
|
|
|
|
|
|
|
|
468
|
|
|
|
|
|
|
=head1 AUTHOR |
469
|
|
|
|
|
|
|
|
470
|
|
|
|
|
|
|
Masatoshi Mizuno E<lt>lusheE<64>cpan.orgE<gt> |
471
|
|
|
|
|
|
|
|
472
|
|
|
|
|
|
|
=head1 COPYRIGHT AND LICENSE |
473
|
|
|
|
|
|
|
|
474
|
|
|
|
|
|
|
Copyright (C) 2008 Bee Flag, Corp. E<lt>L<http://egg.bomcity.com/>E<gt>. |
475
|
|
|
|
|
|
|
|
476
|
|
|
|
|
|
|
This library is free software; you can redistribute it and/or modify |
477
|
|
|
|
|
|
|
it under the same terms as Perl itself, either Perl version 5.8.6 or, |
478
|
|
|
|
|
|
|
at your option, any later version of Perl 5 you may have available. |
479
|
|
|
|
|
|
|
|
480
|
|
|
|
|
|
|
=cut |
481
|
|
|
|
|
|
|
|