/** * Copyright (c) 2015-present, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. */ #import #import #import #import #import #import #import #import #import /** * This class provides a collection of conversion functions for mapping * JSON objects to native types and classes. These are useful when writing * custom RCTViewManager setter methods. */ @interface RCTConvert : NSObject + (id)id:(id)json; + (BOOL)BOOL:(id)json; + (double)double:(id)json; + (float)float:(id)json; + (int)int:(id)json; + (int64_t)int64_t:(id)json; + (uint64_t)uint64_t:(id)json; + (NSInteger)NSInteger:(id)json; + (NSUInteger)NSUInteger:(id)json; + (NSArray *)NSArray:(id)json; + (NSDictionary *)NSDictionary:(id)json; + (NSString *)NSString:(id)json; + (NSNumber *)NSNumber:(id)json; + (NSSet *)NSSet:(id)json; + (NSData *)NSData:(id)json; + (NSIndexSet *)NSIndexSet:(id)json; + (NSURLRequestCachePolicy)NSURLRequestCachePolicy:(id)json; + (NSURL *)NSURL:(id)json; + (NSURLRequest *)NSURLRequest:(id)json; typedef NSURL RCTFileURL; + (RCTFileURL *)RCTFileURL:(id)json; + (NSDate *)NSDate:(id)json; + (NSLocale *)NSLocale:(id)json; + (NSTimeZone *)NSTimeZone:(id)json; + (NSTimeInterval)NSTimeInterval:(id)json; + (NSLineBreakMode)NSLineBreakMode:(id)json; + (NSTextAlignment)NSTextAlignment:(id)json; + (NSUnderlineStyle)NSUnderlineStyle:(id)json; + (NSWritingDirection)NSWritingDirection:(id)json; + (UITextAutocapitalizationType)UITextAutocapitalizationType:(id)json; + (UITextFieldViewMode)UITextFieldViewMode:(id)json; + (UIKeyboardType)UIKeyboardType:(id)json; + (UIKeyboardAppearance)UIKeyboardAppearance:(id)json; + (UIReturnKeyType)UIReturnKeyType:(id)json; #if !TARGET_OS_TV + (UIDataDetectorTypes)UIDataDetectorTypes:(id)json; #endif + (UIViewContentMode)UIViewContentMode:(id)json; #if !TARGET_OS_TV + (UIBarStyle)UIBarStyle:(id)json; #endif + (CGFloat)CGFloat:(id)json; + (CGPoint)CGPoint:(id)json; + (CGSize)CGSize:(id)json; + (CGRect)CGRect:(id)json; + (UIEdgeInsets)UIEdgeInsets:(id)json; + (CGLineCap)CGLineCap:(id)json; + (CGLineJoin)CGLineJoin:(id)json; + (CGAffineTransform)CGAffineTransform:(id)json; + (UIColor *)UIColor:(id)json; + (CGColorRef)CGColor:(id)json CF_RETURNS_NOT_RETAINED; + (YGValue)YGValue:(id)json; + (NSArray *)NSArrayArray:(id)json; + (NSArray *)NSStringArray:(id)json; + (NSArray *> *)NSStringArrayArray:(id)json; + (NSArray *)NSDictionaryArray:(id)json; + (NSArray *)NSURLArray:(id)json; + (NSArray *)RCTFileURLArray:(id)json; + (NSArray *)NSNumberArray:(id)json; + (NSArray *)UIColorArray:(id)json; typedef NSArray CGColorArray; + (CGColorArray *)CGColorArray:(id)json; /** * Convert a JSON object to a Plist-safe equivalent by stripping null values. */ typedef id NSPropertyList; + (NSPropertyList)NSPropertyList:(id)json; typedef BOOL css_backface_visibility_t; + (YGOverflow)YGOverflow:(id)json; + (YGDisplay)YGDisplay:(id)json; + (css_backface_visibility_t)css_backface_visibility_t:(id)json; + (YGFlexDirection)YGFlexDirection:(id)json; + (YGJustify)YGJustify:(id)json; + (YGAlign)YGAlign:(id)json; + (YGPositionType)YGPositionType:(id)json; + (YGWrap)YGWrap:(id)json; + (YGDirection)YGDirection:(id)json; + (RCTPointerEvents)RCTPointerEvents:(id)json; + (RCTAnimationType)RCTAnimationType:(id)json; + (RCTBorderStyle)RCTBorderStyle:(id)json; + (RCTTextDecorationLineType)RCTTextDecorationLineType:(id)json; @end @interface RCTConvert (Deprecated) /** * Use lightweight generics syntax instead, e.g. NSArray */ typedef NSArray NSArrayArray __deprecated_msg("Use NSArray"); typedef NSArray NSStringArray __deprecated_msg("Use NSArray"); typedef NSArray NSStringArrayArray __deprecated_msg("Use NSArray *>"); typedef NSArray NSDictionaryArray __deprecated_msg("Use NSArray"); typedef NSArray NSURLArray __deprecated_msg("Use NSArray"); typedef NSArray RCTFileURLArray __deprecated_msg("Use NSArray"); typedef NSArray NSNumberArray __deprecated_msg("Use NSArray"); typedef NSArray UIColorArray __deprecated_msg("Use NSArray"); /** * Synchronous image loading is generally a bad idea for performance reasons. * If you need to pass image references, try to use `RCTImageSource` and then * `RCTImageLoader` instead of converting directly to a UIImage. */ + (UIImage *)UIImage:(id)json; + (CGImageRef)CGImage:(id)json CF_RETURNS_NOT_RETAINED; @end /** * Underlying implementations of RCT_XXX_CONVERTER macros. Ignore these. */ RCT_EXTERN NSNumber *RCTConvertEnumValue(const char *, NSDictionary *, NSNumber *, id); RCT_EXTERN NSNumber *RCTConvertMultiEnumValue(const char *, NSDictionary *, NSNumber *, id); RCT_EXTERN NSArray *RCTConvertArrayValue(SEL, id); /** * This macro is used for logging conversion errors. This is just used to * avoid repeating the same boilerplate for every error message. */ #define RCTLogConvertError(json, typeName) \ RCTLogError(@"JSON value '%@' of type %@ cannot be converted to %@", \ json, [json classForCoder], typeName) /** * This macro is used for creating simple converter functions that just call * the specified getter method on the json value. */ #define RCT_CONVERTER(type, name, getter) \ RCT_CUSTOM_CONVERTER(type, name, [json getter]) /** * This macro is used for creating converter functions with arbitrary logic. */ #define RCT_CUSTOM_CONVERTER(type, name, code) \ + (type)name:(id)json \ { \ if (!RCT_DEBUG) { \ return code; \ } else { \ @try { \ return code; \ } \ @catch (__unused NSException *e) { \ RCTLogConvertError(json, @#type); \ json = nil; \ return code; \ } \ } \ } /** * This macro is similar to RCT_CONVERTER, but specifically geared towards * numeric types. It will handle string input correctly, and provides more * detailed error reporting if an invalid value is passed in. */ #define RCT_NUMBER_CONVERTER(type, getter) \ RCT_CUSTOM_CONVERTER(type, type, [RCT_DEBUG ? [self NSNumber:json] : json getter]) /** * When using RCT_ENUM_CONVERTER in ObjC, the compiler is OK with us returning * the underlying NSInteger/NSUInteger. In ObjC++, this is a type mismatch and * we need to explicitly cast the return value to expected enum return type. */ #ifdef __cplusplus #define _RCT_CAST(type, expr) static_cast(expr) #else #define _RCT_CAST(type, expr) expr #endif /** * This macro is used for creating converters for enum types. */ #define RCT_ENUM_CONVERTER(type, values, default, getter) \ + (type)type:(id)json \ { \ static NSDictionary *mapping; \ static dispatch_once_t onceToken; \ dispatch_once(&onceToken, ^{ \ mapping = values; \ }); \ return _RCT_CAST(type, [RCTConvertEnumValue(#type, mapping, @(default), json) getter]); \ } /** * This macro is used for creating converters for enum types for * multiple enum values combined with | operator */ #define RCT_MULTI_ENUM_CONVERTER(type, values, default, getter) \ + (type)type:(id)json \ { \ static NSDictionary *mapping; \ static dispatch_once_t onceToken; \ dispatch_once(&onceToken, ^{ \ mapping = values; \ }); \ return _RCT_CAST(type, [RCTConvertMultiEnumValue(#type, mapping, @(default), json) getter]); \ } /** * This macro is used for creating explicitly-named converter functions * for typed arrays. */ #define RCT_ARRAY_CONVERTER_NAMED(type, name) \ + (NSArray *)name##Array:(id)json \ { \ return RCTConvertArrayValue(@selector(name:), json); \ } /** * This macro is used for creating converter functions for typed arrays. * RCT_ARRAY_CONVERTER_NAMED may be used when type contains characters * which are disallowed in selector names. */ #define RCT_ARRAY_CONVERTER(type) RCT_ARRAY_CONVERTER_NAMED(type, type)