97 lines
3.0 KiB
Objective-C
Executable File
97 lines
3.0 KiB
Objective-C
Executable File
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <UIKit/UIKit.h>
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#import "RCTDefines.h"
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/**
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* RCTScriptTag
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*
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* Scripts given to the JS Executors to run could be in any of the following
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* formats. They are tagged so the executor knows how to run them.
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*/
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typedef NS_ENUM(NSInteger) {
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RCTScriptString = 0,
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RCTScriptRAMBundle,
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RCTScriptBCBundle,
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} RCTScriptTag;
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/**
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* RCTBundleHeader
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*
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* RAM bundles and BC bundles begin with headers. For RAM bundles this is
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* 4 bytes, for BC bundles this is 12 bytes. This structure holds the first 12
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* bytes from a bundle in a way that gives access to that information.
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*/
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typedef union {
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// `allBytes` is the first field so that zero-initializing the union fills
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// it completely with zeroes. Without it, only the first field of the union
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// gets zero-initialized.
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uint32_t allBytes[3];
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uint32_t RAMMagic;
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struct {
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uint64_t BCMagic;
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uint32_t BCVersion;
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};
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} RCTBundleHeader;
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/**
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* RCTParseTypeFromHeader
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*
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* Takes the first 8 bytes of a bundle, and returns a tag describing the
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* bundle's format.
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*/
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RCT_EXTERN RCTScriptTag RCTParseTypeFromHeader(RCTBundleHeader header);
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extern NSString *const RCTJavaScriptLoaderErrorDomain;
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NS_ENUM(NSInteger) {
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RCTJavaScriptLoaderErrorNoScriptURL = 1,
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RCTJavaScriptLoaderErrorFailedOpeningFile = 2,
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RCTJavaScriptLoaderErrorFailedReadingFile = 3,
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RCTJavaScriptLoaderErrorFailedStatingFile = 3,
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RCTJavaScriptLoaderErrorURLLoadFailed = 3,
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RCTJavaScriptLoaderErrorBCVersion = 4,
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RCTJavaScriptLoaderErrorCannotBeLoadedSynchronously = 1000,
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};
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@interface RCTLoadingProgress : NSObject
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@property (nonatomic, copy) NSString *status;
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@property (strong, nonatomic) NSNumber *done;
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@property (strong, nonatomic) NSNumber *total;
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@end
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typedef void (^RCTSourceLoadProgressBlock)(RCTLoadingProgress *progressData);
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typedef void (^RCTSourceLoadBlock)(NSError *error, NSData *source, int64_t sourceLength);
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@interface RCTJavaScriptLoader : NSObject
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+ (void)loadBundleAtURL:(NSURL *)scriptURL onProgress:(RCTSourceLoadProgressBlock)onProgress onComplete:(RCTSourceLoadBlock)onComplete;
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/**
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* @experimental
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* Attempts to synchronously load the script at the given URL. The following two conditions must be met:
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* 1. It must be a file URL.
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* 2. It must not point to a text/javascript file.
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* If the URL does not meet those conditions, this method will return nil and supply an error with the domain
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* RCTJavaScriptLoaderErrorDomain and the code RCTJavaScriptLoaderErrorCannotBeLoadedSynchronously.
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*/
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+ (NSData *)attemptSynchronousLoadOfBundleAtURL:(NSURL *)scriptURL
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runtimeBCVersion:(int32_t)runtimeBCVersion
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sourceLength:(int64_t *)sourceLength
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error:(NSError **)error;
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@end
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