| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #import "GRXMappingWriter.h" |
| |
| @interface GRXForwardingWriter () <GRXWriteable> |
| @end |
| |
| @implementation GRXMappingWriter { |
| id (^_map)(id value); |
| } |
| |
| - (instancetype)initWithWriter:(GRXWriter *)writer { |
| return [self initWithWriter:writer map:nil]; |
| } |
| |
| // Designated initializer |
| - (instancetype)initWithWriter:(GRXWriter *)writer map:(id (^)(id value))map { |
| if ((self = [super initWithWriter:writer])) { |
| _map = map ?: ^id(id value) { |
| return value; |
| }; |
| } |
| return self; |
| } |
| |
| // Override |
| - (void)writeValue:(id)value { |
| [super writeValue:_map(value)]; |
| } |
| @end |