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database/perl/vendor/lib/XML/LibXML/Attr.pod
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database/perl/vendor/lib/XML/LibXML/Attr.pod
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=head1 NAME
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XML::LibXML::Attr - XML::LibXML Attribute Class
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=head1 SYNOPSIS
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use XML::LibXML;
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# Only methods specific to Attribute nodes are listed here,
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# see the XML::LibXML::Node manpage for other methods
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$attr = XML::LibXML::Attr->new($name [,$value]);
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$string = $attr->getValue();
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$string = $attr->value;
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$attr->setValue( $string );
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$node = $attr->getOwnerElement();
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$attr->setNamespace($nsURI, $prefix);
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$bool = $attr->isId;
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$string = $attr->serializeContent;
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=head1 DESCRIPTION
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This is the interface to handle Attributes like ordinary nodes. The naming of
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the class relies on the W3C DOM documentation.
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=head1 METHODS
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The class inherits from L<<<<<< XML::LibXML::Node >>>>>>. The documentation for Inherited methods is not listed here.
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Many functions listed here are extensively documented in the DOM Level 3 specification (L<<<<<< http://www.w3.org/TR/DOM-Level-3-Core/ >>>>>>). Please refer to the specification for extensive documentation.
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=over 4
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=item new
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$attr = XML::LibXML::Attr->new($name [,$value]);
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Class constructor. If you need to work with ISO encoded strings, you should I<<<<<< always >>>>>> use the C<<<<<< createAttribute >>>>>> of L<<<<<< XML::LibXML::Document >>>>>>.
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=item getValue
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$string = $attr->getValue();
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Returns the value stored for the attribute. If undef is returned, the attribute
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has no value, which is different of being C<<<<<< not specified >>>>>>.
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=item value
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$string = $attr->value;
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Alias for I<<<<<< getValue() >>>>>>
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=item setValue
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$attr->setValue( $string );
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This is needed to set a new attribute value. If ISO encoded strings are passed
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as parameter, the node has to be bound to a document, otherwise the encoding
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might be done incorrectly.
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=item getOwnerElement
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$node = $attr->getOwnerElement();
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returns the node the attribute belongs to. If the attribute is not bound to a
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node, undef will be returned. Overwriting the underlying implementation, the I<<<<<< parentNode >>>>>> function will return undef, instead of the owner element.
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=item setNamespace
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$attr->setNamespace($nsURI, $prefix);
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This function tries to bound the attribute to a given namespace. If C<<<<<< $nsURI >>>>>> is undefined or empty, the function discards any previous association of the
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attribute with a namespace. If the namespace was not previously declared in the
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context of the attribute, this function will fail. In this case you may wish to
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call setNamespace() on the ownerElement. If the namespace URI is non-empty and
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declared in the context of the attribute, but only with a different (non-empty)
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prefix, then the attribute is still bound to the namespace but gets a different
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prefix than C<<<<<< $prefix >>>>>>. The function also fails if the prefix is empty but the namespace URI is not
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(because unprefixed attributes should by definition belong to no namespace).
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This function returns 1 on success, 0 otherwise.
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=item isId
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$bool = $attr->isId;
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Determine whether an attribute is of type ID. For documents with a DTD, this
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information is only available if DTD loading/validation has been requested. For
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HTML documents parsed with the HTML parser ID detection is done automatically.
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In XML documents, all "xml:id" attributes are considered to be of type ID.
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=item serializeContent($docencoding)
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$string = $attr->serializeContent;
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This function is not part of DOM API. It returns attribute content in the form
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in which it serializes into XML, that is with all meta-characters properly
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quoted and with raw entity references (except for entities expanded during
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parse time). Setting the optional $docencoding flag to 1 enforces document
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encoding for the output string (which is then passed to Perl as a byte string).
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Otherwise the string is passed to Perl as (UTF-8 encoded) characters.
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=back
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=head1 AUTHORS
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Matt Sergeant,
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Christian Glahn,
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Petr Pajas
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=head1 VERSION
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2.0206
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=head1 COPYRIGHT
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2001-2007, AxKit.com Ltd.
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2002-2006, Christian Glahn.
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2006-2009, Petr Pajas.
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=cut
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=head1 LICENSE
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This program is free software; you can redistribute it and/or modify it under
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the same terms as Perl itself.
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