/**
* Get the full version of a namespace prefix
*
* Looks up a prefix (atom:, etc.) in the list of registered
* namespaces and returns the full namespace URI if
* available. Returns the prefix, unmodified, if it's not
* registered.
*
* @param string $prefix The namespace prefix to lookup.
* @param integer $majorVersion The major protocol version in effect.
* Defaults to '1'.
* @param integer $minorVersion The minor protocol version in effect.
* Defaults to null (use latest).
* @return string
*/
public function lookupNamespace($prefix, $majorVersion = 1, $minorVersion = null)
{
// If no match, return the prefix by default
$result = $prefix;
// Find tuple of keys that correspond to the namespace we should use
if (isset($this->_namespaces[$prefix])) {
// Major version search
$nsData = $this->_namespaces[$prefix];
$foundMajorV = Zend_Gdata_App_Util::findGreatestBoundedValue($majorVersion, $nsData);
// Minor version search
$nsData = $nsData[$foundMajorV];
$foundMinorV = Zend_Gdata_App_Util::findGreatestBoundedValue($minorVersion, $nsData);
// Extract NS
$result = $nsData[$foundMinorV];
}
return $result;
}
/**
* Get the full version of a namespace prefix
*
* Looks up a prefix (atom:, etc.) in the list of registered
* namespaces and returns the full namespace URI if
* available. Returns the prefix, unmodified, if it's not
* registered.
*
* @param string $prefix The namespace prefix to lookup.
* @param integer $majorVersion The major protocol version in effect.
* Defaults to '1'.
* @param integer $minorVersion The minor protocol version in effect.
* Defaults to null (use latest).
* @return string
*/
public function lookupNamespace($prefix, $majorVersion = 1, $minorVersion = null)
{
// Check for a memoized result
$key = $prefix . ' ' . ($majorVersion === null ? 'NULL' : $majorVersion) . ' ' . ($minorVersion === null ? 'NULL' : $minorVersion);
if (array_key_exists($key, self::$_namespaceLookupCache)) {
return self::$_namespaceLookupCache[$key];
}
// If no match, return the prefix by default
$result = $prefix;
// Find tuple of keys that correspond to the namespace we should use
if (isset($this->_namespaces[$prefix])) {
// Major version search
$nsData = $this->_namespaces[$prefix];
$foundMajorV = Zend_Gdata_App_Util::findGreatestBoundedValue($majorVersion, $nsData);
// Minor version search
$nsData = $nsData[$foundMajorV];
$foundMinorV = Zend_Gdata_App_Util::findGreatestBoundedValue($minorVersion, $nsData);
// Extract NS
$result = $nsData[$foundMinorV];
}
// Memoize result
self::$_namespaceLookupCache[$key] = $result;
return $result;
}
public function testFindGreatestBoundedValueFailsWhenNegativelyBounded()
{
$data = array(-1 => null, 0 => null, 1 => null, 2 => null, 3 => null, 5 => null, -2 => null);
try {
$result = Zend_Gdata_App_Util::findGreatestBoundedValue(-1, $data);
$failed = true;
} catch (Zend_Gdata_App_Exception $e) {
$failed = false;
}
$this->assertFalse($failed, 'Exception not raised.');
}
