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Manual Reference Pages  -  XML::XPATH::NODESET (3)

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NAME

XML::XPath::NodeSet - a list of XML document nodes

CONTENTS

DESCRIPTION

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

SYNOPSIS



        my $results = $xp->find(//someelement);
        if (!$results->isa(XML::XPath::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::XPath::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.

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.
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perl v5.20.3 XML::XPATH::NODESET (3) 2016-03-08

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