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# -*- perl -*- |
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# $Id: JS.pm,v 1.8 2005/02/03 00:06:29 eserte Exp $ |
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# Author: Slaven Rezic |
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# |
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# Copyright (C) 2002,2004 Slaven Rezic. All rights reserved. |
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# This package is free software; you can redistribute it and/or |
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# modify it under the same terms as Perl itself. |
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# |
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# Mail: slaven@rezic.de |
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# WWW: http://www.rezic.de/eserte/ |
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# |
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package WE_Frontend::Plugin::JS; |
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use strict; |
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use vars qw($VERSION); |
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$VERSION = sprintf("%d.%02d", q$Revision: 1.8 $ =~ /(\d+)\.(\d+)/); |
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use base qw(Template::Plugin); |
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sub new { |
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my($class, $context, @args) = @_; |
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WE_Frontend::Plugin::JS::Quote->new($context, @args); |
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WE_Frontend::Plugin::JS::QuoteUnicode->new($context, @args); |
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WE_Frontend::Plugin::JS::Escape->new($context, @args); |
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bless {}, $class; |
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} |
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###################################################################### |
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package WE_Frontend::Plugin::JS::Quote; |
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use Template::Plugin::Filter; |
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use base qw( Template::Plugin::Filter ); |
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use vars qw(%repl $repl_keys $rx); |
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%repl = ( |
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"\\" => "\\\\", |
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"\"" => "\\\"", |
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"\'" => "\\\'", |
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"\n" => "\\n", |
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"\r" => "\\r", |
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"\b" => "\\b", |
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"\f" => "\\f", |
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"\t" => "\\t", |
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); |
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for(0 .. 31) { |
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if (!exists $repl{chr($_)}) { |
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$repl{chr($_)} = "\\" . sprintf("%03o", $_); |
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} |
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} |
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$repl_keys = "(" . join("|", map { quotemeta } keys %repl) . ")"; |
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$rx = qr/$repl_keys/; |
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sub init { |
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my $self = shift; |
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$self->install_filter("js_q"); |
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$self; |
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} |
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sub filter { |
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my($self, $text) = @_; |
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$text =~ s/$rx/$repl{$1}/g; |
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$text; |
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} |
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###################################################################### |
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package WE_Frontend::Plugin::JS::QuoteUnicode; |
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use Template::Plugin::Filter; |
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use base qw( Template::Plugin::Filter ); |
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use vars qw(%repl $repl_keys $rx); |
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%repl = ( |
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"\\" => "\\\\", |
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"\"" => "\\\"", |
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"\'" => "\\\'", |
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"\n" => "\\n", |
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"\r" => "\\r", |
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"\b" => "\\b", |
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"\f" => "\\f", |
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"\t" => "\\t", |
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); |
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for(0 .. 31) { |
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if (!exists $repl{chr($_)}) { |
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$repl{chr($_)} = "\\" . sprintf("%03o", $_); |
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} |
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} |
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$repl_keys = "(" . join("|", (map { quotemeta } keys %repl), "[\x7f-\x{fffd}]") . ")"; |
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$rx = qr/$repl_keys/; |
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sub init { |
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my $self = shift; |
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$self->install_filter("js_uni"); |
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$self; |
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} |
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sub filter { |
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my($self, $text) = @_; |
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$text =~ s/$rx/exists $repl{$1} ? $repl{$1} : sprintf "\\u%04x", ord($1)/ge; |
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$text; |
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} |
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###################################################################### |
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package WE_Frontend::Plugin::JS::Escape; |
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use Template::Plugin::Filter; |
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use base qw( Template::Plugin::Filter ); |
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#use URI::Escape qw(uri_escape); |
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sub init { |
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my $self = shift; |
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$self->install_filter("js_escape"); |
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$self; |
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} |
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sub filter { |
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my($self, $text) = @_; |
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#uri_escape($text, "^A-Za-z0-9"); |
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$text =~ s{ ([^A-Za-z0-9]) } |
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{ ord($1) > 255 ? sprintf "%%u%04x", ord $1 |
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: sprintf "%%%02x", ord $1 |
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}gex; |
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$text; |
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} |
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1; |
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__END__ |