use PhpXmlRpc\Helper\Charset;
-class Value implements \Countable, \IteratorAggregate
+/**
+ * This class enables the creation and encapsulation of values for XML-RPC.
+ */
+class Value implements \Countable, \IteratorAggregate, \ArrayAccess
{
public static $xmlrpcI4 = "i4";
public static $xmlrpcInt = "int";
/**
* Build an xmlrpc value.
- * When no value or type is passed in, the value is left uninitialized, and the value can be added later
*
- * @param mixed $val
- * @param string $type any valid xmlrpc type name (lowercase). If null, 'string' is assumed
+ * When no value or type is passed in, the value is left uninitialized, and the value can be added later.
+ *
+ * @param mixed $val if passing in an array, all array elements should be PhpXmlRpc\Value themselves
+ * @param string $type any valid xmlrpc type name (lowercase): i4, int, boolean, string, double, dateTime.iso8601,
+ * base64, array, struct, null.
+ * If null, 'string' is assumed.
+ * You should refer to http://www.xmlrpc.com/spec for more information on what each of these mean.
*/
public function __construct($val = -1, $type = '')
{
}
/**
- * Add a single php value to an (uninitialized) xmlrpc value.
+ * Add a single php value to an xmlrpc value.
+ *
+ * If the xmlrpc value is an array, the php value is added as its last element.
+ * If the xmlrpc value is empty (uninitialized), this method makes it a scalar value, and sets that value.
+ * Fails if the xmlrpc value is not an array and already initialized.
*
* @param mixed $val
- * @param string $type
+ * @param string $type allowed values: i4, int, boolean, string, double, dateTime.iso8601, base64, null.
*
* @return int 1 or 0 on failure
*/
}
/**
- * Add an array of xmlrpc values objects to an xmlrpc value.
+ * Add an array of xmlrpc value objects to an xmlrpc value.
+ *
+ * If the xmlrpc value is an array, the elements are appended to the existing ones.
+ * If the xmlrpc value is empty (uninitialized), this method makes it an array value, and sets that value.
+ * Fails otherwise.
*
* @param Value[] $values
*
}
/**
- * Add an array of named xmlrpc value objects to an xmlrpc value.
+ * Merges an array of named xmlrpc value objects into an xmlrpc value.
+ *
+ * If the xmlrpc value is a struct, the elements are merged with the existing ones (overwriting existing ones).
+ * If the xmlrpc value is empty (uninitialized), this method makes it a struct value, and sets that value.
+ * Fails otherwise.
*
* @param Value[] $values
*
}
/**
- * Returns a string containing "struct", "array", "scalar" or "undef" describing the base type of the value.
+ * Returns a string containing either "struct", "array", "scalar" or "undef", describing the base type of the value.
*
* @return string
*/
}
/**
- * Returns xml representation of the value. XML prologue not included.
+ * Returns the xml representation of the value. XML prologue not included.
*
* @param string $charsetEncoding the charset to be used for serialization. if null, US-ASCII is assumed
*
/**
* Checks whether a struct member with a given name is present.
+ *
* Works only on xmlrpc values of type struct.
*
* @param string $key the name of the struct member to be looked up
*
* @return boolean
+ *
+ * @deprecated use array access, e.g. isset($val[$key])
*/
public function structmemexists($key)
{
* @param string $key the name of the struct member to be looked up
*
* @return Value
+ *
+ * @deprecated use array access, e.g. $val[$key]
*/
public function structmem($key)
{
}
/**
- * Returns the value of a scalar xmlrpc value.
+ * Returns the value of a scalar xmlrpc value (base 64 decoding is automatically handled here)
*
* @return mixed
*/
/**
* Returns the type of the xmlrpc value.
+ *
* For integers, 'int' is always returned in place of 'i4'.
*
* @return string
}
/**
- * Returns the m-th member of an xmlrpc value of struct type.
+ * Returns the m-th member of an xmlrpc value of array type.
*
* @param integer $key the index of the value to be retrieved (zero based)
*
* @return Value
+ *
+ * @deprecated use array access, e.g. $val[$key]
*/
public function arraymem($key)
{
/**
* Returns the number of members in an xmlrpc value:
* - 0 for uninitialized values
- * - 1 for scalars
- * - the number of elements for structs and arrays
+ * - 1 for scalar values
+ * - the number of elements for struct and array values
*
* @return integer
*/
{
switch ($this->mytype) {
case 3:
- count($this->me['struct']);
+ return count($this->me['struct']);
case 2:
return count($this->me['array']);
case 1:
}
return new \ArrayIterator();
}
+
+
+ public function offsetSet($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
git://git.onelab.eu / plcapi.git / blobdiff