Function xmlDOMWrapRemoveNode

ThirdParty/libxml2/vtklibxml2/tree.c:8172–8292

* xmlDOMWrapRemoveNode: * @ctxt: a DOM wrapper context * @doc: the doc * @node: the node to be removed. * @options: set of options, unused at the moment * * Unlinks the given node from its owner. * This will substitute ns-references to node->nsDef for * ns-references to doc->oldNs, thus ensuring the removed * branch to be autark wrt ns-references. * * NOTE: This function was not intensively tested

*         -1 on API and internal errors.
*/
int
xmlDOMWrapRemoveNode(xmlDOMWrapCtxtPtr ctxt, xmlDocPtr doc,
		     xmlNodePtr node, int options ATTRIBUTE_UNUSED)
{
    xmlNsPtr *list = NULL;
    int sizeList = 0, nbList = 0, ret = 0, i, j;
    xmlNsPtr ns;

    if ((node == NULL) || (doc == NULL) || (node->doc != doc))
	return (-1);

    /* TODO: 0 or -1 ? */
    if (node->parent == NULL)
	return (0);

    switch (node->type) {
	case XML_TEXT_NODE:
	case XML_CDATA_SECTION_NODE:
	case XML_ENTITY_REF_NODE:
	case XML_PI_NODE:
	case XML_COMMENT_NODE:
	    xmlUnlinkNodeInternal(node);
	    return (0);
	case XML_ELEMENT_NODE:
	case XML_ATTRIBUTE_NODE:
	    break;
	default:
	    return (1);
    }
    xmlUnlinkNodeInternal(node);
    /*
    * Save out-of-scope ns-references in doc->oldNs.
    */
    do {
	switch (node->type) {
	    case XML_ELEMENT_NODE:
		if ((ctxt == NULL) && (node->nsDef != NULL)) {
		    ns = node->nsDef;
		    do {
			if (xmlDOMWrapNSNormAddNsMapItem2(&list, &sizeList,
			    &nbList, ns, ns) == -1)
			    ret = -1;
			ns = ns->next;
		    } while (ns != NULL);
		}
                /* Falls through. */
	    case XML_ATTRIBUTE_NODE:
		if (node->ns != NULL) {
		    /*
		    * Find a mapping.
		    */
		    if (list != NULL) {
			for (i = 0, j = 0; i < nbList; i++, j += 2) {
			    if (node->ns == list[j]) {
				node->ns = list[++j];
				goto next_node;
			    }
			}