Add Resource Loader for iOS

doric-iOS/Pod/Classes/Resource/DoricResourceLoaderManager.m

@@ -0,0 +1,49 @@
+/*
+ * Copyright [2021] [Doric.Pub]
+ *
+ * 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.
+ */
+//
+// Created by pengfei.zhou on 2021/10/22.
+//
+
+#import "DoricResourceLoaderManager.h"
+
+@interface DoricResourceLoaderManager ()
+@property(nonatomic, strong) NSMutableDictionary <NSString *, id <DoricResourceLoader>> *loaders;
+@end
+
+@implementation DoricResourceLoaderManager
+- (instancetype)init {
+    if (self = [super init]) {
+        _loaders = [NSMutableDictionary new];
+    }
+    return self;
+}
+
+- (void)registerLoader:(id <DoricResourceLoader>)loader {
+    self.loaders[loader.resourceType] = loader;
+}
+
+- (void)unRegisterLoader:(id <DoricResourceLoader>)loader {
+    [self.loaders removeObjectForKey:loader.resourceType];
+}
+
+- (__kindof DoricResource *)load:(NSString *)identifier
+                withResourceType:(NSString *)resourceType
+                     withContext:(DoricContext *)context {
+    id <DoricResourceLoader> loader = self.loaders[resourceType];
+    return [loader load:identifier withContext:context];
+}
+
+@end