GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
Debian 6.0.3(Squeeze) |
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XML::XPathEngine::NodeSet(3pm) |
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XML::XPathEngine::NodeSet − a list of XML document nodes
An XML::XPathEngine::NodeSet object contains an ordered list of nodes. The nodes each take the same format as described in XML::XPathEngine::XMLParser.
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', $context);
...
}
new()
You will almost never have to create a new NodeSet object,
as it is all done for you by XPath.
get_nodelist()
Returns a list of nodes. See XML::XPathEngine::XMLParser for
the format of the nodes.
string_value()
Returns the string-value of the first node in the list. See
the XPath specification for what "string-value"
means.
string_values()
Returns a list of the string-values of all the nodes in the
list.
to_literal()
Returns the concatenation of all the string-values of all
the nodes in the list.
get_node($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.
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XML::XPathEngine::NodeSet(3pm) | |