protected function extractNamespaces( array $info ) {
if ( isset( $info['namespaces'] ) ) {
foreach ( $info['namespaces'] as $ns ) {
- $id = $ns['id'];
- $this->defines[$ns['constant']] = $id;
+ if ( defined( $ns['constant'] ) ) {
+ // If the namespace constant is already defined, use it.
+ // This allows namespace IDs to be overwritten locally.
+ $id = constant( $ns['constant'] );
+ } else {
+ $id = $ns['id'];
+ $this->defines[ $ns['constant'] ] = $id;
+ }
+
if ( !( isset( $ns['conditional'] ) && $ns['conditional'] ) ) {
// If it is not conditional, register it
$this->attributes['ExtensionNamespaces'][$id] = $ns['name'];
protected function extractExtensionMessagesFiles( $dir, array $info ) {
if ( isset( $info['ExtensionMessagesFiles'] ) ) {
- $this->globals["wgExtensionMessagesFiles"] += array_map( function( $file ) use ( $dir ) {
+ $this->globals["wgExtensionMessagesFiles"] += array_map( function ( $file ) use ( $dir ) {
return "$dir/$file";
}, $info['ExtensionMessagesFiles'] );
}
}
foreach ( $info['config'] as $key => $val ) {
if ( $key[0] !== '@' ) {
- $this->globals["$prefix$key"] = $val;
+ $this->addConfigGlobal( "$prefix$key", $val );
}
}
}
if ( isset( $data['path'] ) && $data['path'] ) {
$value = "$dir/$value";
}
- $this->globals["$prefix$key"] = $value;
+ $this->addConfigGlobal( "$prefix$key", $value );
}
}
}
+ /**
+ * Helper function to set a value to a specific global, if it isn't set already.
+ *
+ * @param string $key The config key with the prefix and anything
+ * @param mixed $value The value of the config
+ */
+ private function addConfigGlobal( $key, $value ) {
+ if ( array_key_exists( $key, $this->globals ) ) {
+ throw new RuntimeException(
+ "The configuration setting '$key' was already set by another extension,"
+ . " and cannot be set again." );
+ }
+ $this->globals[$key] = $value;
+ }
+
protected function extractServiceWiringFiles( $dir, array $info ) {
if ( isset( $info['ServiceWiringFiles'] ) ) {
foreach ( $info['ServiceWiringFiles'] as $path ) {