+
+ /**
+ * Returns the number of members in an xmlrpc value:
+ * - 0 for uninitialized values
+ * - 1 for scalar values
+ * - the number of elements for struct and array values
+ *
+ * @return integer
+ */
+ public function count()
+ {
+ switch ($this->mytype) {
+ case 3:
+ return count($this->me['struct']);
+ case 2:
+ return count($this->me['array']);
+ case 1:
+ return 1;
+ default:
+ return 0;
+ }
+ }
+
+ /**
+ * Implements the IteratorAggregate interface
+ *
+ * @return ArrayIterator
+ */
+ public function getIterator() {
+ switch ($this->mytype) {
+ case 3:
+ return new \ArrayIterator($this->me['struct']);
+ case 2:
+ return new \ArrayIterator($this->me['array']);
+ case 1:
+ return new \ArrayIterator($this->me);
+ default:
+ return new \ArrayIterator();
+ }
+ return new \ArrayIterator();
+ }
+
+
+ public function offsetSet($offset, $value) {
+
+ switch ($this->mytype) {
+ case 3:
+ if (!($value instanceof \PhpXmlRpc\Value)) {
+ throw new \Exception('It is only possible to add Value objects to an XML-RPC Struct');
+ }
+ if (is_null($offset)) {
+ // disallow struct members with empty names
+ throw new \Exception('It is not possible to add anonymous members to an XML-RPC Struct');
+ } else {
+ $this->me['struct'][$offset] = $value;
+ }
+ return;
+ case 2:
+ if (!($value instanceof \PhpXmlRpc\Value)) {
+ throw new \Exception('It is only possible to add Value objects to an XML-RPC Array');
+ }
+ if (is_null($offset)) {
+ $this->me['array'][] = $value;
+ } else {
+ // nb: we are not checking that $offset is above the existing array range...
+ $this->me['array'][$offset] = $value;
+ }
+ return;
+ case 1:
+// todo: handle i4 vs int
+ reset($this->me);
+ list($type,) = each($this->me);
+ if ($type != $offset) {
+ throw new \Exception('');
+ }
+ $this->me[$type] = $value;
+ return;
+ default:
+ // it would be nice to allow empty values to be be turned into non-empty ones this way, but we miss info to do so
+ throw new \Exception("XML-RPC Value is of type 'undef' and its value can not be set using array index");
+ }
+ }
+
+ public function offsetExists($offset) {
+ switch ($this->mytype) {
+ case 3:
+ return isset($this->me['struct'][$offset]);
+ case 2:
+ return isset($this->me['array'][$offset]);
+ case 1:
+// todo: handle i4 vs int
+ return $offset == $this->scalartyp();
+ default:
+ return false;
+ }
+ }
+
+ public function offsetUnset($offset) {
+ switch ($this->mytype) {
+ case 3:
+ unset($this->me['struct'][$offset]);
+ return;
+ case 2:
+ unset($this->me['array'][$offset]);
+ return;
+ case 1:
+ // can not remove value from a scalar
+ throw new \Exception("XML-RPC Value is of type 'scalar' and its value can not be unset using array index");
+ default:
+ throw new \Exception("XML-RPC Value is of type 'undef' and its value can not be unset using array index");
+ }
+ }
+
+ public function offsetGet($offset) {
+ switch ($this->mytype) {
+ case 3:
+ return isset($this->me['struct'][$offset]) ? $this->me['struct'][$offset] : null;
+ case 2:
+ return isset($this->me['array'][$offset]) ? $this->me['array'][$offset] : null;
+ case 1:
+// on bad type: null or exception?
+ reset($this->me);
+ list($type, $value) = each($this->me);
+ return $type == $offset ? $value : null;
+ default:
+// return null or exception?
+ throw new \Exception("XML-RPC Value is of type 'undef' and can not be accessed using array index");
+ }
+ }
+}
\ No newline at end of file