85 строки
2.5 KiB
Plaintext
85 строки
2.5 KiB
Plaintext
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <React/RCTFileReaderModule.h>
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#import <FBReactNativeSpec/FBReactNativeSpec.h>
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#import <React/RCTBridge.h>
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#import <React/RCTConvert.h>
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#import <React/RCTBlobManager.h>
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#import "RCTBlobPlugins.h"
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@interface RCTFileReaderModule() <NativeFileReaderModuleSpec>
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@end
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@implementation RCTFileReaderModule
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RCT_EXPORT_MODULE(FileReaderModule)
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@synthesize bridge = _bridge;
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RCT_EXPORT_METHOD(readAsText:(NSDictionary<NSString *, id> *)blob
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encoding:(NSString *)encoding
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resolve:(RCTPromiseResolveBlock)resolve
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reject:(RCTPromiseRejectBlock)reject)
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{
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RCTBlobManager *blobManager = [[self bridge] moduleForClass:[RCTBlobManager class]];
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NSData *data = [blobManager resolve:blob];
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if (data == nil) {
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reject(RCTErrorUnspecified,
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[NSString stringWithFormat:@"Unable to resolve data for blob: %@", [RCTConvert NSString:blob[@"blobId"]]], nil);
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} else {
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NSStringEncoding stringEncoding;
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if (encoding == nil) {
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stringEncoding = NSUTF8StringEncoding;
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} else {
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stringEncoding = CFStringConvertEncodingToNSStringEncoding(CFStringConvertIANACharSetNameToEncoding((CFStringRef) encoding));
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}
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NSString *text = [[NSString alloc] initWithData:data encoding:stringEncoding];
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resolve(text);
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}
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}
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RCT_EXPORT_METHOD(readAsDataURL:(NSDictionary<NSString *, id> *)blob
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resolve:(RCTPromiseResolveBlock)resolve
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reject:(RCTPromiseRejectBlock)reject)
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{
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RCTBlobManager *blobManager = [[self bridge] moduleForClass:[RCTBlobManager class]];
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NSData *data = [blobManager resolve:blob];
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if (data == nil) {
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reject(RCTErrorUnspecified,
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[NSString stringWithFormat:@"Unable to resolve data for blob: %@", [RCTConvert NSString:blob[@"blobId"]]], nil);
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} else {
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NSString *type = [RCTConvert NSString:blob[@"type"]];
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NSString *text = [NSString stringWithFormat:@"data:%@;base64,%@",
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type != nil && [type length] > 0 ? type : @"application/octet-stream",
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[data base64EncodedStringWithOptions:0]];
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resolve(text);
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}
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}
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- (std::shared_ptr<facebook::react::TurboModule>)getTurboModule:(const facebook::react::ObjCTurboModule::InitParams &)params
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{
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return std::make_shared<facebook::react::NativeFileReaderModuleSpecJSI>(params);
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}
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@end
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Class RCTFileReaderModuleCls(void)
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{
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return RCTFileReaderModule.class;
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}
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