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# $Id: Reader.pm,v 1.1.2.1 2004/04/20 20:09:48 pajas Exp $ |
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# |
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# This is free software, you may use it and distribute it under the same terms as |
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# Perl itself. |
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# |
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# Copyright 2001-2003 AxKit.com Ltd., 2002-2006 Christian Glahn, 2006-2009 Petr Pajas |
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# |
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# |
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package XML::LibXML::Reader; |
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111707
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use XML::LibXML; |
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use Carp; |
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use strict; |
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use warnings; |
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use vars qw ($VERSION); |
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$VERSION = "2.0207"; # VERSION TEMPLATE: DO NOT CHANGE |
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use 5.008_000; |
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BEGIN { |
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UNIVERSAL::can('XML::LibXML::Reader','_newForFile') or |
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croak("Cannot use XML::LibXML::Reader module - ". |
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"your libxml2 is compiled without reader support!"); |
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} |
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use base qw(Exporter); |
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use constant { |
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XML_READER_TYPE_NONE => 0, |
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XML_READER_TYPE_ELEMENT => 1, |
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XML_READER_TYPE_ATTRIBUTE => 2, |
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XML_READER_TYPE_TEXT => 3, |
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XML_READER_TYPE_CDATA => 4, |
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XML_READER_TYPE_ENTITY_REFERENCE => 5, |
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XML_READER_TYPE_ENTITY => 6, |
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XML_READER_TYPE_PROCESSING_INSTRUCTION => 7, |
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XML_READER_TYPE_COMMENT => 8, |
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XML_READER_TYPE_DOCUMENT => 9, |
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XML_READER_TYPE_DOCUMENT_TYPE => 10, |
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XML_READER_TYPE_DOCUMENT_FRAGMENT => 11, |
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XML_READER_TYPE_NOTATION => 12, |
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XML_READER_TYPE_WHITESPACE => 13, |
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XML_READER_TYPE_SIGNIFICANT_WHITESPACE => 14, |
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XML_READER_TYPE_END_ELEMENT => 15, |
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XML_READER_TYPE_END_ENTITY => 16, |
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XML_READER_TYPE_XML_DECLARATION => 17, |
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XML_READER_NONE => -1, |
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XML_READER_START => 0, |
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XML_READER_ELEMENT => 1, |
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XML_READER_END => 2, |
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XML_READER_EMPTY => 3, |
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XML_READER_BACKTRACK => 4, |
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XML_READER_DONE => 5, |
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XML_READER_ERROR => 6 |
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}; |
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use vars qw( @EXPORT @EXPORT_OK %EXPORT_TAGS ); |
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59
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0
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sub CLONE_SKIP { 1 } |
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BEGIN { |
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%EXPORT_TAGS = ( |
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types => |
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[qw( |
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XML_READER_TYPE_NONE |
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XML_READER_TYPE_ELEMENT |
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XML_READER_TYPE_ATTRIBUTE |
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XML_READER_TYPE_TEXT |
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XML_READER_TYPE_CDATA |
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XML_READER_TYPE_ENTITY_REFERENCE |
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XML_READER_TYPE_ENTITY |
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XML_READER_TYPE_PROCESSING_INSTRUCTION |
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XML_READER_TYPE_COMMENT |
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XML_READER_TYPE_DOCUMENT |
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XML_READER_TYPE_DOCUMENT_TYPE |
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XML_READER_TYPE_DOCUMENT_FRAGMENT |
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XML_READER_TYPE_NOTATION |
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XML_READER_TYPE_WHITESPACE |
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XML_READER_TYPE_SIGNIFICANT_WHITESPACE |
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XML_READER_TYPE_END_ELEMENT |
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XML_READER_TYPE_END_ENTITY |
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XML_READER_TYPE_XML_DECLARATION |
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)], |
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states => |
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[qw( |
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XML_READER_NONE |
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XML_READER_START |
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XML_READER_ELEMENT |
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XML_READER_END |
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XML_READER_EMPTY |
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XML_READER_BACKTRACK |
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XML_READER_DONE |
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XML_READER_ERROR |
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)] |
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); |
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@EXPORT = (@{$EXPORT_TAGS{types}},@{$EXPORT_TAGS{states}}); |
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@EXPORT_OK = @EXPORT; |
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$EXPORT_TAGS{all}=\@EXPORT_OK; |
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} |
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our %_preserve_flag; |
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{ |
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my %props = ( |
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load_ext_dtd => 1, # load the external subset |
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complete_attributes => 2, # default DTD attributes |
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validation => 3, # validate with the DTD |
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expand_entities => 4, # substitute entities |
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); |
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sub getParserProp { |
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my ($self, $name) = @_; |
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my $prop = $props{$name}; |
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return undef unless defined $prop; |
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return $self->_getParserProp($prop); |
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} |
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sub setParserProp { |
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my $self = shift; |
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my %args = map { ref($_) eq 'HASH' ? (%$_) : $_ } @_; |
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my ($key, $value); |
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while (($key,$value) = each %args) { |
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my $prop = $props{ $key }; |
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$self->_setParserProp($prop,$value); |
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} |
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return; |
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} |
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128
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my (%string_pool,%rng_pool,%xsd_pool); # used to preserve data passed to the reader |
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sub new { |
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my ($class) = shift; |
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100
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my %args = map { ref($_) eq 'HASH' ? (%$_) : $_ } @_; |
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132
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my $encoding = $args{encoding}; |
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my $URI = $args{URI}; |
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$URI="$URI" if defined $URI; # stringify in case it is an URI object |
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my $options = XML::LibXML->_parser_options(\%args); |
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my $self = undef; |
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if ( defined $args{location} ) { |
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139
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734
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$self = $class->_newForFile( $args{location}, $encoding, $options ); |
140
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} |
141
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elsif ( defined $args{string} ) { |
142
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8
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$self = $class->_newForString( $args{string}, $URI, $encoding, $options ); |
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37
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if (defined($self)) { |
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$string_pool{$self} = \$args{string}; |
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} |
146
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} |
147
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elsif ( defined $args{IO} ) { |
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1
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$self = $class->_newForIO( $args{IO}, $URI, $encoding, $options ); |
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} |
150
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elsif ( defined $args{DOM} ) { |
151
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croak("DOM must be a XML::LibXML::Document node") |
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1
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unless UNIVERSAL::isa($args{DOM}, 'XML::LibXML::Document'); |
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1
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10
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$self = $class->_newForDOM( $args{DOM} ); |
154
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} |
155
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elsif ( defined $args{FD} ) { |
156
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1
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my $fd = fileno($args{FD}); |
157
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1
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$self = $class->_newForFd( $fd, $URI, $encoding, $options ); |
158
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} |
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else { |
160
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0
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croak("XML::LibXML::Reader->new: specify location, string, IO, DOM, or FD"); |
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} |
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if ($args{RelaxNG}) { |
163
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13
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if (ref($args{RelaxNG})) { |
164
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$rng_pool{$self} = \$args{RelaxNG}; |
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2
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10
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$self->_setRelaxNG($args{RelaxNG}); |
166
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} else { |
167
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2
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331
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$self->_setRelaxNGFile($args{RelaxNG}); |
168
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} |
169
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} |
170
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if ($args{Schema}) { |
171
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100
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14
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if (ref($args{Schema})) { |
172
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2
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7
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$xsd_pool{$self} = \$args{Schema}; |
173
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2
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16
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$self->_setXSD($args{Schema}); |
174
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} else { |
175
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2
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494
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$self->_setXSDFile($args{Schema}); |
176
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} |
177
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} |
178
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100
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return $self; |
179
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} |
180
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sub DESTROY { |
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20
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20
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12743
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my $self = shift; |
182
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20
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66
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delete $string_pool{$self}; |
183
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20
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37
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delete $rng_pool{$self}; |
184
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20
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36
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delete $xsd_pool{$self}; |
185
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20
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664
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$self->_DESTROY; |
186
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} |
187
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} |
188
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sub close { |
189
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1
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1
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1
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3
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my ($reader) = @_; |
190
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# _close return -1 on failure, 0 on success |
191
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# perl close returns 0 on failure, 1 on success |
192
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1
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50
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45
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return $reader->_close == 0 ? 1 : 0; |
193
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} |
194
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195
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sub preservePattern { |
196
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2
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2
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1
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13
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my $reader=shift; |
197
|
2
|
|
|
|
|
4
|
my ($pattern,$ns_map)=@_; |
198
|
2
|
100
|
|
|
|
8
|
if (ref($ns_map) eq 'HASH') { |
199
|
|
|
|
|
|
|
# translate prefix=>URL hash to a (URL,prefix) list |
200
|
1
|
|
|
|
|
8
|
$reader->_preservePattern($pattern,[reverse %$ns_map]); |
201
|
|
|
|
|
|
|
} else { |
202
|
1
|
|
|
|
|
12
|
$reader->_preservePattern(@_); |
203
|
|
|
|
|
|
|
} |
204
|
|
|
|
|
|
|
} |
205
|
|
|
|
|
|
|
|
206
|
|
|
|
|
|
|
sub nodePath { |
207
|
8
|
|
|
8
|
1
|
752
|
my $reader=shift; |
208
|
8
|
|
|
|
|
42
|
my $path = $reader->_nodePath; |
209
|
8
|
|
|
|
|
21
|
$path=~s/\[\d+\]//g; # make /foo[1]/bar[1] just /foo/bar, since |
210
|
|
|
|
|
|
|
# sibling count in the buffered fragment is |
211
|
|
|
|
|
|
|
# basically random and generally misleading |
212
|
8
|
|
|
|
|
45
|
return $path; |
213
|
|
|
|
|
|
|
} |
214
|
|
|
|
|
|
|
|
215
|
|
|
|
|
|
|
1; |
216
|
|
|
|
|
|
|
__END__ |