func (n *Element) getAttributeNode(name string) (*C.xmlAttr, error) {
prop := C.xmlHasNsProp(n.ptr, stringToXmlChar(name), nil)
if prop != nil {
prefix, local := splitPrefixLocal(name)
if local != "" {
ns := C.xmlSearchNs(n.ptr.doc, n.ptr, stringToXmlChar(prefix))
if ns != nil {
prop = C.xmlHasNsProp(n.ptr, stringToXmlChar(local), ns.href)
}
}
}
if prop == nil || XmlNodeType(prop._type) != AttributeNode {
return nil, errors.New("attribute not found")
}
return prop, nil
}
// Return the attribute node, or nil if the attribute does not exist.
func (xmlNode *XmlNode) Attribute(name string) (attribute *AttributeNode) {
if xmlNode.NodeType() != XML_ELEMENT_NODE {
return
}
nameBytes := GetCString([]byte(name))
namePtr := unsafe.Pointer(&nameBytes[0])
attrPtr := C.xmlHasNsProp(xmlNode.Ptr, (*C.xmlChar)(namePtr), nil)
if attrPtr == nil {
return
} else {
node := NewNode(unsafe.Pointer(attrPtr), xmlNode.Document)
if node, ok := node.(*AttributeNode); ok {
attribute = node
}
}
return
}