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#!/usr/bin/perl -w |
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# $Id: String.pm,v 1.1.1.1 2003/10/28 16:04:38 andy Exp $ |
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# |
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# This code is copyright 1999-2000 by Scott Guelich |
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# and is distributed according to the same conditions as Perl itself |
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# Please visit http://www.scripted.com/wddx/ for more information |
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# |
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package WDDX::String; |
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# Auto-inserted by build scripts |
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$VERSION = "1.01"; |
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1865
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use strict; |
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use Carp; |
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1032
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require WDDX; |
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{ my $i_hate_the_w_flag_sometimes = [ |
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$WDDX::PACKET_HEADER, |
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$WDDX::PACKET_FOOTER, |
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$WDDX::String::VERSION |
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] } |
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1; |
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#/----------------------------------------------------------------------- |
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# Public Methods |
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# |
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sub new { |
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my( $class, $value ) = @_; |
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croak "You must supply a value when creating a new $class object\n" |
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unless defined $value; |
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croak "WDDX strings may not contain null characters (\\0)\n" |
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if $value =~ /\0/; |
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my $self = { |
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value => $value, |
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}; |
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bless $self, $class; |
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return $self; |
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} |
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sub type { |
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return "string"; |
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} |
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sub as_packet { |
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my( $self ) = @_; |
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my $output = $WDDX::PACKET_HEADER . |
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$self->_serialize . |
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$WDDX::PACKET_FOOTER; |
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} |
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sub as_scalar { |
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my( $self ) = @_; |
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return $self->_deserialize; |
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} |
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sub as_javascript { |
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my( $self, $js_var ) = @_; |
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local $_ = $self->{value}; |
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# Escape for JavaScript... forget anything? |
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s/\\/\\\\/g; |
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s/\n/\\n/g; |
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s/\r/\\r/g; |
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s/\t/\\t/g; |
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s/"/\\"/g; |
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return "$js_var=\"$_\";"; |
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} |
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#/----------------------------------------------------------------------- |
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# Private Methods |
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# |
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sub is_parser { |
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return 0; |
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} |
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sub _serialize { |
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my( $self ) = @_; |
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my $val = $self->xml_encode; |
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my $output = "$val"; |
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return $output; |
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} |
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sub _deserialize { |
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my( $self ) = @_; |
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return $self->{value}; |
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} |
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sub xml_encode { |
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my $self = shift; |
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local $_ = $self->{value}; |
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s/&/&/g; |
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s/</g; |
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s/>/>/g; |
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s/'/'/g; |
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s/"/"/g; |
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s|([\000-\037])||g; |
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return $_; |
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} |
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122
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#/----------------------------------------------------------------------- |
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# Parsing Code |
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# |
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126
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package WDDX::String::Parser; |
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128
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129
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sub new { |
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return bless { value => "" }, shift; |
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} |
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133
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134
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sub start_tag { |
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my( $self, $element, $attribs ) = @_; |
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if ( $element eq "char" ) { |
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$self->append_data( $self->char_decode( $attribs->{code} ) ); |
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} |
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elsif ( $element ne "string" ) { |
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die "<$element> not allowed within element\n"; |
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} |
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return $self; |
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} |
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sub end_tag { |
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my( $self, $element ) = @_; |
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if ( $element eq "string" ) { |
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152
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$self = new WDDX::String( $self->{value} ); |
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} |
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elsif ( $element ne "char" ) { |
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die "$element> not allowed within element\n"; |
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} |
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return $self; |
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} |
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160
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161
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sub append_data { |
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my( $self, $data ) = @_; |
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$self->{value} .= $data; |
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} |
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166
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167
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sub char_decode { |
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my( $self, $code ) = @_; |
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170
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die "Invalid character code\n" unless $code =~ /^[01][0-9a-f]$/i; |
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return chr hex $code; |
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} |
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174
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175
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sub is_parser { |
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return 1; |
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} |
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