Check whether the given DOMElement has the given attribute.
| public static matchesAttribute ( $node, $name, $value = null, $operation = EventHandler::isExactly ) |
/**
* Pseudo-class handler for :lang
*
* Note that this does not implement the spec in its entirety because we do
* not presume to "know the language" of the document. If anyone is interested
* in making this more intelligent, please do so.
*/
protected function lang($node, $value)
{
// TODO: This checks for cases where an explicit language is
// set. The spec seems to indicate that an element should inherit
// language from the parent... but this is unclear.
$operator = strpos($value, '-') !== FALSE ? EventHandler::isExactly : EventHandler::containsWithHyphen;
$match = TRUE;
foreach ($node->attributes as $attrNode) {
if ($attrNode->localName == 'lang') {
if ($attrNode->nodeName == $attrNode->localName) {
// fprintf(STDOUT, "%s in NS %s\n", $attrNode->name, $attrNode->nodeName);
return Util::matchesAttribute($node, 'lang', $value, $operator);
} else {
$nsuri = $attrNode->namespaceURI;
// fprintf(STDOUT, "%s in NS %s\n", $attrNode->name, $nsuri);
return Util::matchesAttributeNS($node, 'lang', $nsuri, $value, $operator);
}
}
}
return FALSE;
}
/**
* Check to see if DOMNode has all of the given attributes.
*
* This can handle namespaced attributes, including namespace
* wildcards.
*/
protected function matchAttributes($node, $attributes)
{
if (empty($attributes)) {
return TRUE;
}
foreach ($attributes as $attr) {
$val = isset($attr['value']) ? $attr['value'] : NULL;
// Namespaced attributes.
if (isset($attr['ns']) && $attr['ns'] != '*') {
$nsuri = $node->lookupNamespaceURI($attr['ns']);
if (empty($nsuri) || !$node->hasAttributeNS($nsuri, $attr['name'])) {
return FALSE;
}
$matches = Util::matchesAttributeNS($node, $attr['name'], $nsuri, $val, $attr['op']);
} elseif (isset($attr['ns']) && $attr['ns'] == '*' && $node->hasAttributes()) {
// Cycle through all of the attributes in the node. Note that
// these are DOMAttr objects.
$matches = FALSE;
$name = $attr['name'];
foreach ($node->attributes as $attrNode) {
if ($attrNode->localName == $name) {
$nsuri = $attrNode->namespaceURI;
$matches = Util::matchesAttributeNS($node, $name, $nsuri, $val, $attr['op']);
}
}
} else {
$matches = Util::matchesAttribute($node, $attr['name'], $val, $attr['op']);
}
if (!$matches) {
return FALSE;
}
}
return TRUE;
}