func (xmlNode *XmlNode) addPreviousSibling(node Node) (err error) {
nodeType := node.NodeType()
if nodeType == XML_DOCUMENT_NODE || nodeType == XML_HTML_DOCUMENT_NODE {
err = ERR_CANNOT_MAKE_DUCMENT_AS_CHILD
return
}
nodePtr := node.NodePtr()
if xmlNode.NodePtr() == nodePtr {
return
}
ret := xmlNode.isAccestor(nodePtr)
if ret < 0 {
return
} else if ret == 0 {
if !xmlNode.Document.RemoveUnlinkedNode(nodePtr) {
C.xmlUnlinkNodeWithCheck((*C.xmlNode)(nodePtr))
}
C.xmlAddPrevSibling(xmlNode.Ptr, (*C.xmlNode)(nodePtr))
} else if ret > 0 {
node.Remove()
}
/*
childPtr := C.xmlAddPrevSibling(xmlNode.Ptr, (*C.xmlNode)(nodePtr))
if nodeType == XML_TEXT_NODE && childPtr != (*C.xmlNode)(nodePtr) {
//check the retured pointer
//if it is not the text node just added, it means that the text node is freed because it has merged into other nodes
//then we should invalid this node, because we do not want to have a dangling pointer
//xmlNode.Document.AddUnlinkedNode(unsafe.Pointer(nodePtr))
}
*/
return
}
// CreateElementNS Create an element with the given namespace
func (xp *Xp) createElementNS(prefix, element string, context *C.xmlNode, before *C.xmlNode) (newcontext *C.xmlNode) {
ns := C.xmlNewNs(nil, namespaces[prefix].ns_uri, namespaces[prefix].prefix) // candidate for cache ...
if ns == nil {
panic("ns is nil")
}
celement := unsafe.Pointer(C.CString(element))
newelement := C.xmlNewDocNode(xp.doc, ns, (*C.xmlChar)(celement), nil)
C.free(celement)
if before != nil {
newcontext = C.xmlAddPrevSibling(before, newelement)
} else {
if context == nil {
context = C.xmlDocGetRootElement(xp.doc)
}
newcontext = C.xmlAddChild(context, newelement)
}
return
}
func (xmlNode *XmlNode) addPreviousSibling(node Node) (err error) {
nodeType := node.NodeType()
if nodeType == XML_DOCUMENT_NODE || nodeType == XML_HTML_DOCUMENT_NODE {
err = ERR_CANNOT_MAKE_DUCMENT_AS_CHILD
return
}
nodePtr := node.NodePtr()
if xmlNode.NodePtr() == nodePtr {
return
}
ret := xmlNode.isAccestor(nodePtr)
if ret < 0 {
return
} else if ret == 0 {
if !xmlNode.Document.RemoveUnlinkedNode(nodePtr) {
C.xmlUnlinkNodeWithCheck((*C.xmlNode)(nodePtr))
}
C.xmlAddPrevSibling(xmlNode.Ptr, (*C.xmlNode)(nodePtr))
} else if ret > 0 {
node.Remove()
}
return
}
// xmlAddPrevSibling
func (cur *Node) AddPrevSibling(elem Node) *Node {
return makeNode(C.xmlAddPrevSibling(cur.Ptr, elem.Ptr))
}