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perl-XML-XPathEngine - Re-usable XPath engine for DOM-like trees…  more info»

XML::XPathEngine::NodeSet.3pm.gz

XML::XPathEngine:UsereContributed Perl DXML::XPathEngine::NodeSet(3)



NAME
       XML::XPathEngine::NodeSet - a list of XML document nodes

DESCRIPTION
       An XML::XPathEngine::NodeSet object contains an ordered list
       of nodes. The nodes each take the same format as described in
       XML::XPathEngine::XMLParser.

SYNOPSIS
               my $results = $xp->find('//someelement');
               if (!$results->isa('XML::XPathEngine::NodeSet')) {
                       print "Found $results\n";
                       exit;
               }
               foreach my $context ($results->get_nodelist) {
                       my $newresults = $xp->find('./other/element', $context);
                       ...
               }

API
   new()
       You will almost never have to create a new NodeSet object, as
       it is all done for you by XPath.

   get_nodelist()
       Returns a list of nodes. See XML::XPathEngine::XMLParser for
       the format of the nodes.

   string_value()
       Returns the string-value of the first node in the list.  See
       the XPath specification for what "string-value" means.

   string_values()
       Returns a list of the string-values of all the nodes in the
       list.

   to_literal()
       Returns the concatenation of all the string-values of all the
       nodes in the list.

   get_node($pos)
       Returns the node at $pos. The node position in XPath is based
       at 1, not 0.

   size()
       Returns the number of nodes in the NodeSet.

   pop()
       Equivalent to perl's pop function.

   push(@nodes)
       Equivalent to perl's push function.

   append($nodeset)
       Given a nodeset, appends the list of nodes in $nodeset to the
       end of the current list.

   shift()
       Equivalent to perl's shift function.

   unshift(@nodes)
       Equivalent to perl's unshift function.

   prepend($nodeset)
       Given a nodeset, prepends the list of nodes in $nodeset to
       the front of the current list.



perl v5.10.1                 2009-02-04 XML::XPathEngine::NodeSet(3)
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