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?? Attr.pod(4.02 KB)
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?? Boolean.pm(1.56 KB)
?? CDATASection.pod(1.28 KB)
?? Comment.pod(1.36 KB)
?? Common.pm(8.2 KB)
?? Common.pod(3.59 KB)
?? DOM.pod(6.23 KB)
?? Devel.pm(4.91 KB)
?? Document.pod(21.09 KB)
?? DocumentFragment.pod(819 B)
?? Dtd.pod(1.99 KB)
?? Element.pod(13.48 KB)
?? ErrNo.pm(27.83 KB)
?? ErrNo.pod(591 B)
?? Error.pm(8.45 KB)
?? Error.pod(5.98 KB)
?? InputCallback.pod(9.59 KB)
?? Literal.pm(2.04 KB)
?? Namespace.pod(3.28 KB)
?? Node.pod(25.67 KB)
?? NodeList.pm(7.31 KB)
?? Number.pm(1.87 KB)
?? PI.pod(2.22 KB)
?? Parser.pod(27.79 KB)
?? Pattern.pod(2.91 KB)
?? Reader.pm(5.75 KB)
?? Reader.pod(17.6 KB)
?? RegExp.pod(1.54 KB)
?? RelaxNG.pod(2.34 KB)
?? SAX
?? SAX.pm(3.45 KB)
?? SAX.pod(1.76 KB)
?? Schema.pod(2.19 KB)
?? Text.pod(5.47 KB)
?? XPathContext.pm(3.15 KB)
?? XPathContext.pod(11.49 KB)
?? XPathExpression.pod(1.64 KB)

Editing: Reader.pm

# $Id: Reader.pm,v 1.1.2.1 2004/04/20 20:09:48 pajas Exp $
#
# This is free software, you may use it and distribute it under the same terms as
# Perl itself.
#
# Copyright 2001-2003 AxKit.com Ltd., 2002-2006 Christian Glahn, 2006-2009 Petr Pajas
#
#
package XML::LibXML::Reader;

use XML::LibXML;
use Carp;
use strict;
use warnings;

use vars qw ($VERSION);
$VERSION = "2.0210"; # VERSION TEMPLATE: DO NOT CHANGE

use 5.008_000;

BEGIN {
  UNIVERSAL::can('XML::LibXML::Reader','_newForFile') or
      croak("Cannot use XML::LibXML::Reader module - ".
	    "your libxml2 is compiled without reader support!");
}

use base qw(Exporter);
use constant {
    XML_READER_TYPE_NONE => 0,
    XML_READER_TYPE_ELEMENT => 1,
    XML_READER_TYPE_ATTRIBUTE => 2,
    XML_READER_TYPE_TEXT => 3,
    XML_READER_TYPE_CDATA => 4,
    XML_READER_TYPE_ENTITY_REFERENCE => 5,
    XML_READER_TYPE_ENTITY => 6,
    XML_READER_TYPE_PROCESSING_INSTRUCTION => 7,
    XML_READER_TYPE_COMMENT => 8,
    XML_READER_TYPE_DOCUMENT => 9,
    XML_READER_TYPE_DOCUMENT_TYPE => 10,
    XML_READER_TYPE_DOCUMENT_FRAGMENT => 11,
    XML_READER_TYPE_NOTATION => 12,
    XML_READER_TYPE_WHITESPACE => 13,
    XML_READER_TYPE_SIGNIFICANT_WHITESPACE => 14,
    XML_READER_TYPE_END_ELEMENT => 15,
    XML_READER_TYPE_END_ENTITY => 16,
    XML_READER_TYPE_XML_DECLARATION => 17,

XML_READER_NONE      => -1,
    XML_READER_START     =>  0,
    XML_READER_ELEMENT   =>  1,
    XML_READER_END       =>  2,
    XML_READER_EMPTY     =>  3,
    XML_READER_BACKTRACK =>  4,
    XML_READER_DONE      =>  5,
    XML_READER_ERROR     =>  6
};
use vars qw( @EXPORT @EXPORT_OK %EXPORT_TAGS );

sub CLONE_SKIP { 1 }

BEGIN {

%EXPORT_TAGS = (
  types =>
  [qw(
    XML_READER_TYPE_NONE
    XML_READER_TYPE_ELEMENT
    XML_READER_TYPE_ATTRIBUTE
    XML_READER_TYPE_TEXT
    XML_READER_TYPE_CDATA
    XML_READER_TYPE_ENTITY_REFERENCE
    XML_READER_TYPE_ENTITY
    XML_READER_TYPE_PROCESSING_INSTRUCTION
    XML_READER_TYPE_COMMENT
    XML_READER_TYPE_DOCUMENT
    XML_READER_TYPE_DOCUMENT_TYPE
    XML_READER_TYPE_DOCUMENT_FRAGMENT
    XML_READER_TYPE_NOTATION
    XML_READER_TYPE_WHITESPACE
    XML_READER_TYPE_SIGNIFICANT_WHITESPACE
    XML_READER_TYPE_END_ELEMENT
    XML_READER_TYPE_END_ENTITY
    XML_READER_TYPE_XML_DECLARATION
    )],
  states =>
  [qw(
    XML_READER_NONE
    XML_READER_START
    XML_READER_ELEMENT
    XML_READER_END
    XML_READER_EMPTY
    XML_READER_BACKTRACK
    XML_READER_DONE
    XML_READER_ERROR
   )]
);
@EXPORT    = (@{$EXPORT_TAGS{types}},@{$EXPORT_TAGS{states}});
@EXPORT_OK = @EXPORT;
$EXPORT_TAGS{all}=\@EXPORT_OK;
}

our %_preserve_flag;

{
  my %props = (
    load_ext_dtd => 1,		 # load the external subset
    complete_attributes => 2,	 # default DTD attributes
    validation => 3,		 # validate with the DTD
    expand_entities => 4,	 # substitute entities
  );
  sub getParserProp {
    my ($self, $name) = @_;
    my $prop = $props{$name};
    return undef unless defined $prop;
    return $self->_getParserProp($prop);
  }
  sub setParserProp {
    my $self = shift;
    my %args = map { ref($_) eq 'HASH' ? (%$_) : $_ } @_;
    my ($key, $value);
    while (($key,$value) = each %args) {
      my $prop = $props{ $key };
      $self->_setParserProp($prop,$value);
    }
    return;
  }

my (%string_pool,%rng_pool,%xsd_pool); # used to preserve data passed to the reader
  sub new {
    my ($class) = shift;
    my %args = map { ref($_) eq 'HASH' ? (%$_) : $_ } @_;
    my $encoding = $args{encoding};
    my $URI = $args{URI};
    $URI="$URI" if defined $URI; # stringify in case it is an URI object
    my $options = XML::LibXML->_parser_options(\%args);

my $self = undef;
    if ( defined $args{location} ) {
      $self = $class->_newForFile( $args{location}, $encoding, $options );
    }
    elsif ( defined $args{string} ) {
      $self = $class->_newForString( $args{string}, $URI, $encoding, $options );
      if (defined($self)) {
        $string_pool{$self} = \$args{string};
      }
    }
    elsif ( defined $args{IO} ) {
      $self = $class->_newForIO( $args{IO}, $URI, $encoding, $options  );
    }
    elsif ( defined $args{DOM} ) {
      croak("DOM must be a XML::LibXML::Document node")
	unless UNIVERSAL::isa($args{DOM}, 'XML::LibXML::Document');
      $self = $class->_newForDOM( $args{DOM} );
    }
    elsif ( defined $args{FD} ) {
      my $fd = fileno($args{FD});
      $self = $class->_newForFd( $fd, $URI, $encoding, $options  );
    }
    else {
      croak("XML::LibXML::Reader->new: specify location, string, IO, DOM, or FD");
    }
    if ($args{RelaxNG}) {
      if (ref($args{RelaxNG})) {
	$rng_pool{$self} = \$args{RelaxNG};
	$self->_setRelaxNG($args{RelaxNG});
      } else {
	$self->_setRelaxNGFile($args{RelaxNG});
      }
    }
    if ($args{Schema}) {
      if (ref($args{Schema})) {
	$xsd_pool{$self} = \$args{Schema};
	$self->_setXSD($args{Schema});
      } else {
	$self->_setXSDFile($args{Schema});
      }
    }
    return $self;
  }
  sub DESTROY {
    my $self = shift;
    delete $string_pool{$self};
    delete $rng_pool{$self};
    delete $xsd_pool{$self};
    $self->_DESTROY;
  }
}
sub close {
    my ($reader) = @_;
    # _close return -1 on failure, 0 on success
    # perl close returns 0 on failure, 1 on success
    return $reader->_close == 0 ? 1 : 0;
}

sub preservePattern {
  my $reader=shift;
  my ($pattern,$ns_map)=@_;
  if (ref($ns_map) eq 'HASH') {
    # translate prefix=>URL hash to a (URL,prefix) list
    $reader->_preservePattern($pattern,[reverse %$ns_map]);
  } else {
    $reader->_preservePattern(@_);
  }
}

sub nodePath {
  my $reader=shift;
  my $path = $reader->_nodePath;
  $path=~s/\[\d+\]//g; # make /foo[1]/bar[1] just /foo/bar, since
                       # sibling count in the buffered fragment is
                       # basically random and generally misleading
  return $path;
}

1;
__END__

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Editing: Reader.pm

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