}
/**
- * Register a new config factory function
- * Will override if it's already registered
+ * @return string[]
+ */
+ public function getConfigNames() {
+ return array_keys( $this->factoryFunctions );
+ }
+
+ /**
+ * Register a new config factory function.
+ * Will override if it's already registered.
+ * Use "*" for $name to provide a fallback config for all unknown names.
* @param string $name
- * @param callable $callback That takes this ConfigFactory as an argument
+ * @param callable|Config $callback A factory callabck that takes this ConfigFactory
+ * as an argument and returns a Config instance, or an existing Config instance.
* @throws InvalidArgumentException If an invalid callback is provided
*/
public function register( $name, $callback ) {
+ if ( $callback instanceof Config ) {
+ $instance = $callback;
+
+ // Register a callback anyway, for consistency. Note that getConfigNames()
+ // relies on $factoryFunctions to have all config names.
+ $callback = function() use ( $instance ) {
+ return $instance;
+ };
+ } else {
+ $instance = null;
+ }
+
if ( !is_callable( $callback ) ) {
throw new InvalidArgumentException( 'Invalid callback provided' );
}
+
+ $this->configs[$name] = $instance;
$this->factoryFunctions[$name] = $callback;
}
*/
public function makeConfig( $name ) {
if ( !isset( $this->configs[$name] ) ) {
- if ( !isset( $this->factoryFunctions[$name] ) ) {
+ $key = $name;
+ if ( !isset( $this->factoryFunctions[$key] ) ) {
+ $key = '*';
+ }
+ if ( !isset( $this->factoryFunctions[$key] ) ) {
throw new ConfigException( "No registered builder available for $name." );
}
- $conf = call_user_func( $this->factoryFunctions[$name], $this );
+ $conf = call_user_func( $this->factoryFunctions[$key], $this );
if ( $conf instanceof Config ) {
$this->configs[$name] = $conf;
} else {
return $this->configs[$name];
}
+
}