Function xmlNewReference

ThirdParty/libxml2/vtklibxml2/tree.c:2471–2521

* xmlNewReference: * @doc: the target document (optional) * @name: the entity name * * Create a new entity reference node, linking the result with the * entity in @doc if found. * * Entity names like '&entity;' are handled as well. * * Returns a pointer to the new node object or NULL if arguments are * invalid or a memory allocation failed. */

 * invalid or a memory allocation failed.
 */
xmlNodePtr
xmlNewReference(const xmlDoc *doc, const xmlChar *name) {
    xmlNodePtr cur;
    xmlEntityPtr ent;

    if (name == NULL)
        return(NULL);

    /*
     * Allocate a new node and fill the fields.
     */
    cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
    if (cur == NULL)
	return(NULL);
    memset(cur, 0, sizeof(xmlNode));
    cur->type = XML_ENTITY_REF_NODE;

    cur->doc = (xmlDoc *)doc;
    if (name[0] == '&') {
        int len;
        name++;
	len = xmlStrlen(name);
	if (name[len - 1] == ';')
	    cur->name = xmlStrndup(name, len - 1);
	else
	    cur->name = xmlStrndup(name, len);
    } else
	cur->name = xmlStrdup(name);
    if (cur->name == NULL)
        goto error;

    ent = xmlGetDocEntity(doc, cur->name);
    if (ent != NULL) {
	cur->content = ent->content;
	/*
	 * The parent pointer in entity is a DTD pointer and thus is NOT
	 * updated.  Not sure if this is 100% correct.
	 *  -George
	 */
	cur->children = (xmlNodePtr) ent;
	cur->last = (xmlNodePtr) ent;
    }

    if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
	xmlRegisterNodeDefaultValue(cur);
    return(cur);

error:
    xmlFreeNode(cur);
    return(NULL);
}

/**
 * xmlNewDocText: