67 lines
2.6 KiB
Objective-C
67 lines
2.6 KiB
Objective-C
/**
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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 <tgmath.h>
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#import <CoreGraphics/CoreGraphics.h>
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#import <Foundation/Foundation.h>
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#import "RCTAssert.h"
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#import "RCTDefines.h"
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// Utility functions for JSON object <-> string serialization/deserialization
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RCT_EXTERN NSString *RCTJSONStringify(id jsonObject, NSError **error);
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RCT_EXTERN id RCTJSONParse(NSString *jsonString, NSError **error);
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RCT_EXTERN id RCTJSONParseMutable(NSString *jsonString, NSError **error);
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RCT_EXTERN id RCTJSONParseWithOptions(NSString *jsonString, NSError **error, NSJSONReadingOptions options);
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// Strip non JSON-safe values from an object graph
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RCT_EXTERN id RCTJSONClean(id object);
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// Get MD5 hash of a string (TODO: currently unused. Remove?)
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RCT_EXTERN NSString *RCTMD5Hash(NSString *string);
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// Get screen metrics in a thread-safe way
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RCT_EXTERN CGFloat RCTScreenScale(void);
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RCT_EXTERN CGSize RCTScreenSize(void);
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// Round float coordinates to nearest whole screen pixel (not point)
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RCT_EXTERN CGFloat RCTRoundPixelValue(CGFloat value);
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RCT_EXTERN CGFloat RCTCeilPixelValue(CGFloat value);
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RCT_EXTERN CGFloat RCTFloorPixelValue(CGFloat value);
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// Get current time, for precise performance metrics
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RCT_EXTERN NSTimeInterval RCTTGetAbsoluteTime(void);
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// Method swizzling
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RCT_EXTERN void RCTSwapClassMethods(Class cls, SEL original, SEL replacement);
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RCT_EXTERN void RCTSwapInstanceMethods(Class cls, SEL original, SEL replacement);
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// Module subclass support
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RCT_EXTERN BOOL RCTClassOverridesClassMethod(Class cls, SEL selector);
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RCT_EXTERN BOOL RCTClassOverridesInstanceMethod(Class cls, SEL selector);
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// Creates a standardized error object
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// TODO(#6472857): create NSErrors and automatically convert them over the bridge.
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RCT_EXTERN NSDictionary *RCTMakeError(NSString *message, id toStringify, NSDictionary *extraData);
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RCT_EXTERN NSDictionary *RCTMakeAndLogError(NSString *message, id toStringify, NSDictionary *extraData);
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// Returns YES if React is running in a test environment
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RCT_EXTERN BOOL RCTRunningInTestEnvironment(void);
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// Return YES if image has an alpha component
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RCT_EXTERN BOOL RCTImageHasAlpha(CGImageRef image);
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// Create an NSError in the NCTErrorDomain
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RCT_EXTERN NSError *RCTErrorWithMessage(NSString *message);
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// Convert nil values to NSNull, and vice-versa
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RCT_EXTERN id RCTNullIfNil(id value);
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RCT_EXTERN id RCTNilIfNull(id value);
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