Add Resource Loader for iOS

doric-iOS/Pod/Classes/Resource/DoricBase64Resource.m

@@ -0,0 +1,35 @@
+/*
+ * 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 2021/10/25.
+//
+
+#import "DoricBase64Resource.h"
+
+
+@implementation DoricBase64Resource
+- (DoricAsyncResult <NSData *> *)fetchRaw {
+    DoricAsyncResult *result = [DoricAsyncResult new];
+    NSString *inString = nil;
+    if ([self.identifier hasPrefix:@"data:image"]) {
+        inString = [self.identifier componentsSeparatedByString:@","].lastObject;
+    }
+    NSData *data = [[NSData alloc] initWithBase64EncodedString:inString
+                                                       options:NSDataBase64DecodingIgnoreUnknownCharacters];
+    [result setupResult:data];
+    return result;
+}
+@end