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############################################################################# |
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## Name: Entity.pm |
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## Purpose: XML::Smart::Entity - Handle entities |
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## Author: Graciliano M. P. |
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## Modified by: Harish Madabushi |
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## Created: 28/09/2003 |
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## RCS-ID: |
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## Copyright: (c) 2003 Graciliano M. P. |
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## Licence: This program 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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package XML::Smart::Entity ; |
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use strict ; |
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use warnings ; |
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require Exporter ; |
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use XML::Smart::Shared qw( _unset_sig_warn _reset_sig_warn ) ; |
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our ($VERSION , @ISA) ; |
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$VERSION = '0.03' ; |
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@ISA = qw(Exporter) ; |
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our @EXPORT = qw(_parse_basic_entity _add_basic_entity) ; |
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our @EXPORT_OK = @EXPORT ; |
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####################### |
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# _PARSE_BASIC_ENTITY # |
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####################### |
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sub _parse_basic_entity { |
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my $entity = $_[0] ; |
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if( $entity ) { |
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$_[0] =~ s/</
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$_[0] =~ s/>/>/gs ; |
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$_[0] =~ s/&/&/gs ; |
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$_[0] =~ s/'/'/gs ; |
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$_[0] =~ s/"/"/gs ; |
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$_[0] =~ s/(\d+);/ $1 > 255 ? pack("U",$1) : pack("C",$1)/egs ; |
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$_[0] =~ s/([a-fA-F\d]+);/pack("U",hex($1))/egs ; |
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} |
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return( $entity ) ; |
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} |
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##################### |
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# _ADD_BASIC_ENTITY # |
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##################### |
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sub _add_basic_entity { |
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my $entity = $_[0] ; |
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if( $entity ) { |
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$_[0] =~ s/(&(?:\w+;)?)/{_is_amp($1) or $1}/sgex ; |
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$_[0] =~ s/</gs ; |
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$_[0] =~ s/>/>/gs ; |
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} |
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return( $entity ) ; |
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} |
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########### |
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# _IS_AMP # |
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########### |
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sub _is_amp { |
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my $entity = $_[0] ; |
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if( $entity ) { |
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if($entity eq '&') { |
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return( '&' ) ; |
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} |
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} |
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0
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return( undef ) ; |
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} |
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####### |
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# END # |
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####### |
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1; |
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