/** * 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 "RCTConvert.h" #import @implementation RCTConvert RCT_CONVERTER(BOOL, BOOL, boolValue) RCT_NUMBER_CONVERTER(double, doubleValue) RCT_NUMBER_CONVERTER(float, floatValue) RCT_NUMBER_CONVERTER(int, intValue) RCT_NUMBER_CONVERTER(int64_t, longLongValue); RCT_NUMBER_CONVERTER(uint64_t, unsignedLongLongValue); RCT_NUMBER_CONVERTER(NSInteger, integerValue) RCT_NUMBER_CONVERTER(NSUInteger, unsignedIntegerValue) RCT_CONVERTER_CUSTOM(NSArray *, NSArray, [NSArray arrayWithArray:json]) RCT_CONVERTER_CUSTOM(NSDictionary *, NSDictionary, [NSDictionary dictionaryWithDictionary:json]) RCT_CONVERTER(NSString *, NSString, description) + (NSNumber *)NSNumber:(id)json { if ([json isKindOfClass:[NSNumber class]]) { return json; } else if ([json isKindOfClass:[NSString class]]) { NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init]; NSNumber *number = [formatter numberFromString:json]; if (!number) { RCTLogError(@"JSON String '%@' could not be interpreted as a number", json); } return number; } else if (json && json != [NSNull null]) { RCTLogError(@"JSON value '%@' of class %@ could not be interpreted as a number", json, [json class]); } return nil; } + (NSURL *)NSURL:(id)json { if (![json isKindOfClass:[NSString class]]) { RCTLogError(@"Expected NSString for NSURL, received %@: %@", [json class], json); return nil; } NSString *path = json; if ([path isAbsolutePath]) { return [NSURL fileURLWithPath:path]; } else if ([path length]) { NSURL *URL = [NSURL URLWithString:path relativeToURL:[[NSBundle mainBundle] resourceURL]]; if ([URL isFileURL] && ![[NSFileManager defaultManager] fileExistsAtPath:[URL path]]) { RCTLogWarn(@"The file '%@' does not exist", URL); return nil; } return URL; } return nil; } + (NSURLRequest *)NSURLRequest:(id)json { return [NSURLRequest requestWithURL:[self NSURL:json]]; } // JS Standard for time is milliseconds RCT_CONVERTER_CUSTOM(NSDate *, NSDate, [NSDate dateWithTimeIntervalSince1970:[self double:json] / 1000.0]) RCT_CONVERTER_CUSTOM(NSTimeInterval, NSTimeInterval, [self double:json] / 1000.0) // JS standard for time zones is minutes. RCT_CONVERTER_CUSTOM(NSTimeZone *, NSTimeZone, [NSTimeZone timeZoneForSecondsFromGMT:[self double:json] * 60.0]) RCT_ENUM_CONVERTER(NSTextAlignment, (@{ @"auto": @(NSTextAlignmentNatural), @"left": @(NSTextAlignmentLeft), @"center": @(NSTextAlignmentCenter), @"right": @(NSTextAlignmentRight), @"justify": @(NSTextAlignmentJustified), }), NSTextAlignmentNatural, integerValue) RCT_ENUM_CONVERTER(NSWritingDirection, (@{ @"auto": @(NSWritingDirectionNatural), @"ltr": @(NSWritingDirectionLeftToRight), @"rtl": @(NSWritingDirectionRightToLeft), }), NSWritingDirectionNatural, integerValue) RCT_ENUM_CONVERTER(UITextAutocapitalizationType, (@{ @"none": @(UITextAutocapitalizationTypeNone), @"words": @(UITextAutocapitalizationTypeWords), @"sentences": @(UITextAutocapitalizationTypeSentences), @"characters": @(UITextAutocapitalizationTypeAllCharacters) }), UITextAutocapitalizationTypeSentences, integerValue) RCT_ENUM_CONVERTER(UITextFieldViewMode, (@{ @"never": @(UITextFieldViewModeNever), @"while-editing": @(UITextFieldViewModeWhileEditing), @"unless-editing": @(UITextFieldViewModeUnlessEditing), @"always": @(UITextFieldViewModeAlways), }), UITextFieldViewModeNever, integerValue) RCT_ENUM_CONVERTER(UIScrollViewKeyboardDismissMode, (@{ @"none": @(UIScrollViewKeyboardDismissModeNone), @"on-drag": @(UIScrollViewKeyboardDismissModeOnDrag), @"interactive": @(UIScrollViewKeyboardDismissModeInteractive), }), UIScrollViewKeyboardDismissModeNone, integerValue) RCT_ENUM_CONVERTER(UIKeyboardType, (@{ @"numeric": @(UIKeyboardTypeDecimalPad), @"default": @(UIKeyboardTypeDefault), }), UIKeyboardTypeDefault, integerValue) RCT_ENUM_CONVERTER(UIViewContentMode, (@{ @"scale-to-fill": @(UIViewContentModeScaleToFill), @"scale-aspect-fit": @(UIViewContentModeScaleAspectFit), @"scale-aspect-fill": @(UIViewContentModeScaleAspectFill), @"redraw": @(UIViewContentModeRedraw), @"center": @(UIViewContentModeCenter), @"top": @(UIViewContentModeTop), @"bottom": @(UIViewContentModeBottom), @"left": @(UIViewContentModeLeft), @"right": @(UIViewContentModeRight), @"top-left": @(UIViewContentModeTopLeft), @"top-right": @(UIViewContentModeTopRight), @"bottom-left": @(UIViewContentModeBottomLeft), @"bottom-right": @(UIViewContentModeBottomRight), }), UIViewContentModeScaleToFill, integerValue) RCT_ENUM_CONVERTER(UIBarStyle, (@{ @"default": @(UIBarStyleDefault), @"black": @(UIBarStyleBlack), }), UIBarStyleDefault, integerValue) // TODO: normalise the use of w/width so we can do away with the alias values (#6566645) RCT_CONVERTER_CUSTOM(CGFloat, CGFloat, [self double:json]) RCT_CGSTRUCT_CONVERTER(CGPoint, (@[@"x", @"y"]), nil) RCT_CGSTRUCT_CONVERTER(CGSize, (@[@"width", @"height"]), (@{@"w": @"width", @"h": @"height"})) RCT_CGSTRUCT_CONVERTER(CGRect, (@[@"x", @"y", @"width", @"height"]), (@{@"w": @"width", @"h": @"height"})) RCT_CGSTRUCT_CONVERTER(UIEdgeInsets, (@[@"top", @"left", @"bottom", @"right"]), nil) RCT_ENUM_CONVERTER(CGLineJoin, (@{ @"miter": @(kCGLineJoinMiter), @"round": @(kCGLineJoinRound), @"bevel": @(kCGLineJoinBevel), }), kCGLineJoinMiter, intValue) RCT_ENUM_CONVERTER(CGLineCap, (@{ @"butt": @(kCGLineCapButt), @"round": @(kCGLineCapRound), @"square": @(kCGLineCapSquare), }), kCGLineCapButt, intValue) RCT_CGSTRUCT_CONVERTER(CATransform3D, (@[ @"m11", @"m12", @"m13", @"m14", @"m21", @"m22", @"m23", @"m24", @"m31", @"m32", @"m33", @"m34", @"m41", @"m42", @"m43", @"m44" ]), nil) RCT_CGSTRUCT_CONVERTER(CGAffineTransform, (@[ @"a", @"b", @"c", @"d", @"tx", @"ty" ]), nil) + (UIColor *)UIColor:(id)json { // Check color cache static NSMutableDictionary *colorCache = nil; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ colorCache = [[NSMutableDictionary alloc] init]; }); UIColor *color = colorCache[json]; if (color) { return color; } if ([json isKindOfClass:[NSString class]]) { // Check named colors static NSDictionary *namedColors = nil; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ namedColors = @{ // CSS colors @"aliceblue": @"#f0f8ff", @"antiquewhite": @"#faebd7", @"aqua": @"#00ffff", @"aquamarine": @"#7fffd4", @"azure": @"#f0ffff", @"beige": @"#f5f5dc", @"bisque": @"#ffe4c4", @"black": @"#000000", @"blanchedalmond": @"#ffebcd", @"blue": @"#0000ff", @"blueviolet": @"#8a2be2", @"brown": @"#a52a2a", @"burlywood": @"#deb887", @"cadetblue": @"#5f9ea0", @"chartreuse": @"#7fff00", @"chocolate": @"#d2691e", @"coral": @"#ff7f50", @"cornflowerblue": @"#6495ed", @"cornsilk": @"#fff8dc", @"crimson": @"#dc143c", @"cyan": @"#00ffff", @"darkblue": @"#00008b", @"darkcyan": @"#008b8b", @"darkgoldenrod": @"#b8860b", @"darkgray": @"#a9a9a9", @"darkgrey": @"#a9a9a9", @"darkgreen": @"#006400", @"darkkhaki": @"#bdb76b", @"darkmagenta": @"#8b008b", @"darkolivegreen": @"#556b2f", @"darkorange": @"#ff8c00", @"darkorchid": @"#9932cc", @"darkred": @"#8b0000", @"darksalmon": @"#e9967a", @"darkseagreen": @"#8fbc8f", @"darkslateblue": @"#483d8b", @"darkslategray": @"#2f4f4f", @"darkslategrey": @"#2f4f4f", @"darkturquoise": @"#00ced1", @"darkviolet": @"#9400d3", @"deeppink": @"#ff1493", @"deepskyblue": @"#00bfff", @"dimgray": @"#696969", @"dimgrey": @"#696969", @"dodgerblue": @"#1e90ff", @"firebrick": @"#b22222", @"floralwhite": @"#fffaf0", @"forestgreen": @"#228b22", @"fuchsia": @"#ff00ff", @"gainsboro": @"#dcdcdc", @"ghostwhite": @"#f8f8ff", @"gold": @"#ffd700", @"goldenrod": @"#daa520", @"gray": @"#808080", @"grey": @"#808080", @"green": @"#008000", @"greenyellow": @"#adff2f", @"honeydew": @"#f0fff0", @"hotpink": @"#ff69b4", @"indianred": @"#cd5c5c", @"indigo": @"#4b0082", @"ivory": @"#fffff0", @"khaki": @"#f0e68c", @"lavender": @"#e6e6fa", @"lavenderblush": @"#fff0f5", @"lawngreen": @"#7cfc00", @"lemonchiffon": @"#fffacd", @"lightblue": @"#add8e6", @"lightcoral": @"#f08080", @"lightcyan": @"#e0ffff", @"lightgoldenrodyellow": @"#fafad2", @"lightgray": @"#d3d3d3", @"lightgrey": @"#d3d3d3", @"lightgreen": @"#90ee90", @"lightpink": @"#ffb6c1", @"lightsalmon": @"#ffa07a", @"lightseagreen": @"#20b2aa", @"lightskyblue": @"#87cefa", @"lightslategray": @"#778899", @"lightslategrey": @"#778899", @"lightsteelblue": @"#b0c4de", @"lightyellow": @"#ffffe0", @"lime": @"#00ff00", @"limegreen": @"#32cd32", @"linen": @"#faf0e6", @"magenta": @"#ff00ff", @"maroon": @"#800000", @"mediumaquamarine": @"#66cdaa", @"mediumblue": @"#0000cd", @"mediumorchid": @"#ba55d3", @"mediumpurple": @"#9370db", @"mediumseagreen": @"#3cb371", @"mediumslateblue": @"#7b68ee", @"mediumspringgreen": @"#00fa9a", @"mediumturquoise": @"#48d1cc", @"mediumvioletred": @"#c71585", @"midnightblue": @"#191970", @"mintcream": @"#f5fffa", @"mistyrose": @"#ffe4e1", @"moccasin": @"#ffe4b5", @"navajowhite": @"#ffdead", @"navy": @"#000080", @"oldlace": @"#fdf5e6", @"olive": @"#808000", @"olivedrab": @"#6b8e23", @"orange": @"#ffa500", @"orangered": @"#ff4500", @"orchid": @"#da70d6", @"palegoldenrod": @"#eee8aa", @"palegreen": @"#98fb98", @"paleturquoise": @"#afeeee", @"palevioletred": @"#db7093", @"papayawhip": @"#ffefd5", @"peachpuff": @"#ffdab9", @"peru": @"#cd853f", @"pink": @"#ffc0cb", @"plum": @"#dda0dd", @"powderblue": @"#b0e0e6", @"purple": @"#800080", @"rebeccapurple": @"#663399", @"red": @"#ff0000", @"rosybrown": @"#bc8f8f", @"royalblue": @"#4169e1", @"saddlebrown": @"#8b4513", @"salmon": @"#fa8072", @"sandybrown": @"#f4a460", @"seagreen": @"#2e8b57", @"seashell": @"#fff5ee", @"sienna": @"#a0522d", @"silver": @"#c0c0c0", @"skyblue": @"#87ceeb", @"slateblue": @"#6a5acd", @"slategray": @"#708090", @"slategrey": @"#708090", @"snow": @"#fffafa", @"springgreen": @"#00ff7f", @"steelblue": @"#4682b4", @"tan": @"#d2b48c", @"teal": @"#008080", @"thistle": @"#d8bfd8", @"tomato": @"#ff6347", @"turquoise": @"#40e0d0", @"violet": @"#ee82ee", @"wheat": @"#f5deb3", @"white": @"#ffffff", @"whitesmoke": @"#f5f5f5", @"yellow": @"#ffff00", @"yellowgreen": @"#9acd32", // Nonstandard color extensions @"transparent": @"rgba(0,0,0,0)", }; }); NSString *colorString = namedColors[json]; if (!colorString) { colorString = json; } // Parse color NSUInteger red = -1; NSUInteger green = -1; NSUInteger blue = -1; CGFloat alpha = 1.0; if ([colorString hasPrefix:@"#"]) { sscanf([colorString UTF8String], "#%02tX%02tX%02tX", &red, &green, &blue); } else if ([colorString hasPrefix:@"rgba("]) { double tmpAlpha; sscanf([colorString UTF8String], "rgba(%zd,%zd,%zd,%lf)", &red, &green, &blue, &tmpAlpha); alpha = tmpAlpha > 0.99 ? 1.0 : tmpAlpha; } else if ([colorString hasPrefix:@"rgb("]) { sscanf([colorString UTF8String], "rgb(%zd,%zd,%zd)", &red, &green, &blue); } else { RCTLogError(@"Unrecognized color format '%@', must be one of #hex|rgba|rgb", colorString); } if (red == -1 || green == -1 || blue == -1 || alpha > 1.0 || alpha < 0.0) { RCTLogError(@"Invalid color string '%@'", colorString); } else { color = [UIColor colorWithRed:red / 255.0 green:green / 255.0 blue:blue / 255.0 alpha:alpha]; } } else if ([json isKindOfClass:[NSArray class]]) { if ([json count] < 3 || [json count] > 4) { RCTLogError(@"Expected array with count 3 or 4, but count is %zd: %@", [json count], json); } else { // Color array color = [UIColor colorWithRed:[self double:json[0]] green:[self double:json[1]] blue:[self double:json[2]] alpha:[json count] > 3 ? [self double:json[3]] : 1]; } } else if ([json isKindOfClass:[NSDictionary class]]) { // Color dictionary color = [UIColor colorWithRed:[self double:json[@"r"]] green:[self double:json[@"g"]] blue:[self double:json[@"b"]] alpha:[self double:json[@"a"] ?: @1]]; } else if (json && ![json isKindOfClass:[NSNull class]]) { RCTLogError(@"Expected NSArray, NSDictionary or NSString for UIColor, \ received %@: %@", [json class], json); } // Default color if (!color) { color = [UIColor whiteColor]; } // Cache and return if (json) { colorCache[json] = color; } return color; } + (CGColorRef)CGColor:(id)json { return [self UIColor:json].CGColor; } + (UIImage *)UIImage:(id)json { // TODO: we might as well cache the result of these checks (and possibly the // image itself) so as to reduce overhead on subsequent checks of the same input if (![json isKindOfClass:[NSString class]]) { RCTLogError(@"Expected NSString for UIImage, received %@: %@", [json class], json); return nil; } if ([json length] == 0) { return nil; } UIImage *image = nil; NSString *path = json; if ([path isAbsolutePath]) { image = [UIImage imageWithContentsOfFile:path]; } else { image = [UIImage imageNamed:path]; if (!image) { image = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:path ofType:nil]]; } } // NOTE: we don't warn about nil images because there are legitimate // case where we find out if a string is an image by using this method return image; } + (CGImageRef)CGImage:(id)json { return [self UIImage:json].CGImage; } #ifndef __IPHONE_8_2 // These constants are defined in iPhone SDK 8.2 // They'll work fine in earlier iOS versions, but the app cannot be built with // an SDK version < 8.2 unless we redefine them here. This will be removed // in a future version of React, once 8.2 is more widely adopted. static const CGFloat UIFontWeightUltraLight = -0.8; static const CGFloat UIFontWeightThin = -0.6; static const CGFloat UIFontWeightLight = -0.4; static const CGFloat UIFontWeightRegular = 0; static const CGFloat UIFontWeightMedium = 0.23; static const CGFloat UIFontWeightSemibold = 0.3; static const CGFloat UIFontWeightBold = 0.4; static const CGFloat UIFontWeightHeavy = 0.56; static const CGFloat UIFontWeightBlack = 0.62; #endif typedef CGFloat RCTFontWeight; RCT_ENUM_CONVERTER(RCTFontWeight, (@{ @"normal": @(UIFontWeightRegular), @"bold": @(UIFontWeightBold), @"100": @(UIFontWeightUltraLight), @"200": @(UIFontWeightThin), @"300": @(UIFontWeightLight), @"400": @(UIFontWeightRegular), @"500": @(UIFontWeightMedium), @"600": @(UIFontWeightSemibold), @"700": @(UIFontWeightBold), @"800": @(UIFontWeightHeavy), @"900": @(UIFontWeightBlack), }), UIFontWeightRegular, doubleValue) typedef BOOL RCTFontStyle; RCT_ENUM_CONVERTER(RCTFontStyle, (@{ @"normal": @NO, @"italic": @YES, @"oblique": @YES, }), NO, boolValue) static RCTFontWeight RCTWeightOfFont(UIFont *font) { NSDictionary *traits = [font.fontDescriptor objectForKey:UIFontDescriptorTraitsAttribute]; return [traits[UIFontWeightTrait] doubleValue]; } static BOOL RCTFontIsItalic(UIFont *font) { NSDictionary *traits = [font.fontDescriptor objectForKey:UIFontDescriptorTraitsAttribute]; UIFontDescriptorSymbolicTraits symbolicTraits = [traits[UIFontSymbolicTrait] unsignedIntValue]; return (symbolicTraits & UIFontDescriptorTraitItalic) != 0; } static BOOL RCTFontIsCondensed(UIFont *font) { NSDictionary *traits = [font.fontDescriptor objectForKey:UIFontDescriptorTraitsAttribute]; UIFontDescriptorSymbolicTraits symbolicTraits = [traits[UIFontSymbolicTrait] unsignedIntValue]; return (symbolicTraits & UIFontDescriptorTraitCondensed) != 0; } + (UIFont *)UIFont:(UIFont *)font withSize:(id)json { return [self UIFont:font withFamily:nil size:json weight:nil style:nil]; } + (UIFont *)UIFont:(UIFont *)font withWeight:(id)json { return [self UIFont:font withFamily:nil size:nil weight:json style:nil]; } + (UIFont *)UIFont:(UIFont *)font withStyle:(id)json { return [self UIFont:font withFamily:nil size:nil weight:nil style:json]; } + (UIFont *)UIFont:(UIFont *)font withFamily:(id)json { return [self UIFont:font withFamily:json size:nil weight:nil style:nil]; } + (UIFont *)UIFont:(UIFont *)font withFamily:(id)family size:(id)size weight:(id)weight style:(id)style { // Defaults NSString *const RCTDefaultFontFamily = @"Helvetica Neue"; const RCTFontWeight RCTDefaultFontWeight = UIFontWeightRegular; const CGFloat RCTDefaultFontSize = 14; // Get existing properties BOOL isItalic = NO; BOOL isCondensed = NO; RCTFontWeight fontWeight = RCTDefaultFontWeight; if (font) { family = font.familyName; fontWeight = RCTWeightOfFont(font); isItalic = RCTFontIsItalic(font); isCondensed = RCTFontIsCondensed(font); } // Get font weight if (weight) { fontWeight = [self RCTFontWeight:weight]; } // Get font style if (style) { isItalic = [self RCTFontStyle:style]; } // Get font size CGFloat fontSize = [self CGFloat:size] ?: RCTDefaultFontSize; // Get font family NSString *familyName = [self NSString:family] ?: RCTDefaultFontFamily; if ([UIFont fontNamesForFamilyName:familyName].count == 0) { font = [UIFont fontWithName:familyName size:fontSize]; if (font) { // It's actually a font name, not a font family name, // but we'll do what was meant, not what was said. familyName = font.familyName; NSDictionary *traits = [font.fontDescriptor objectForKey:UIFontDescriptorTraitsAttribute]; fontWeight = [traits[UIFontWeightTrait] doubleValue]; } else { // Not a valid font or family RCTLogError(@"Unrecognized font family '%@'", familyName); familyName = RCTDefaultFontFamily; } } // Get closest match UIFont *bestMatch = font; CGFloat closestWeight = font ? RCTWeightOfFont(font) : INFINITY; for (NSString *name in [UIFont fontNamesForFamilyName:familyName]) { UIFont *match = [UIFont fontWithName:name size:fontSize]; if (isItalic == RCTFontIsItalic(match) && isCondensed == RCTFontIsCondensed(match)) { CGFloat testWeight = RCTWeightOfFont(match); if (ABS(testWeight - fontWeight) < ABS(closestWeight - fontWeight)) { bestMatch = match; closestWeight = testWeight; } } } // Safety net if (!bestMatch) { RCTLogError(@"Could not find font with family: '%@', size: %@, \ weight: %@, style: %@", family, size, weight, style); bestMatch = [UIFont fontWithName:[[UIFont fontNamesForFamilyName:familyName] firstObject] size:fontSize]; } return bestMatch; } RCT_ARRAY_CONVERTER(NSString) RCT_ARRAY_CONVERTER(NSDictionary) RCT_ARRAY_CONVERTER(NSURL) RCT_ARRAY_CONVERTER(NSNumber) RCT_ARRAY_CONVERTER(UIColor) // Can't use RCT_ARRAY_CONVERTER due to bridged cast + (NSArray *)CGColorArray:(id)json { NSMutableArray *colors = [[NSMutableArray alloc] init]; for (id value in [self NSArray:json]) { [colors addObject:(__bridge id)[self CGColor:value]]; } return colors; } typedef BOOL css_overflow; RCT_ENUM_CONVERTER(css_overflow, (@{ @"hidden": @NO, @"visible": @YES }), YES, boolValue) RCT_ENUM_CONVERTER(css_flex_direction_t, (@{ @"row": @(CSS_FLEX_DIRECTION_ROW), @"column": @(CSS_FLEX_DIRECTION_COLUMN) }), CSS_FLEX_DIRECTION_COLUMN, intValue) RCT_ENUM_CONVERTER(css_justify_t, (@{ @"flex-start": @(CSS_JUSTIFY_FLEX_START), @"flex-end": @(CSS_JUSTIFY_FLEX_END), @"center": @(CSS_JUSTIFY_CENTER), @"space-between": @(CSS_JUSTIFY_SPACE_BETWEEN), @"space-around": @(CSS_JUSTIFY_SPACE_AROUND) }), CSS_JUSTIFY_FLEX_START, intValue) RCT_ENUM_CONVERTER(css_align_t, (@{ @"flex-start": @(CSS_ALIGN_FLEX_START), @"flex-end": @(CSS_ALIGN_FLEX_END), @"center": @(CSS_ALIGN_CENTER), @"auto": @(CSS_ALIGN_AUTO), @"stretch": @(CSS_ALIGN_STRETCH) }), CSS_ALIGN_FLEX_START, intValue) RCT_ENUM_CONVERTER(css_position_type_t, (@{ @"absolute": @(CSS_POSITION_ABSOLUTE), @"relative": @(CSS_POSITION_RELATIVE) }), CSS_POSITION_RELATIVE, intValue) RCT_ENUM_CONVERTER(css_wrap_type_t, (@{ @"wrap": @(CSS_WRAP), @"nowrap": @(CSS_NOWRAP) }), CSS_NOWRAP, intValue) RCT_ENUM_CONVERTER(RCTPointerEvents, (@{ @"none": @(RCTPointerEventsNone), @"box-only": @(RCTPointerEventsBoxOnly), @"box-none": @(RCTPointerEventsBoxNone), @"auto": @(RCTPointerEventsUnspecified) }), RCTPointerEventsUnspecified, integerValue) RCT_ENUM_CONVERTER(RCTAnimationType, (@{ @"spring": @(RCTAnimationTypeSpring), @"linear": @(RCTAnimationTypeLinear), @"easeIn": @(RCTAnimationTypeEaseIn), @"easeOut": @(RCTAnimationTypeEaseOut), @"easeInEaseOut": @(RCTAnimationTypeEaseInEaseOut), }), RCTAnimationTypeEaseInEaseOut, integerValue) @end BOOL RCTSetProperty(id target, NSString *keyPath, SEL type, id json) { // Split keypath NSArray *parts = [keyPath componentsSeparatedByString:@"."]; NSString *key = [parts lastObject]; for (NSUInteger i = 0; i < parts.count - 1; i++) { target = [target valueForKey:parts[i]]; if (!target) { return NO; } } // Get property setter SEL setter = NSSelectorFromString([NSString stringWithFormat:@"set%@%@:", [[key substringToIndex:1] uppercaseString], [key substringFromIndex:1]]); // Fail early if (![target respondsToSelector:setter]) { return NO; } // Get converted value NSMethodSignature *signature = [RCTConvert methodSignatureForSelector:type]; NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature]; [invocation setArgument:&type atIndex:1]; [invocation setArgument:&json atIndex:2]; [invocation invokeWithTarget:[RCTConvert class]]; NSUInteger length = [signature methodReturnLength]; void *value = malloc(length); [invocation getReturnValue:value]; // Set converted value signature = [target methodSignatureForSelector:setter]; invocation = [NSInvocation invocationWithMethodSignature:signature]; [invocation setArgument:&setter atIndex:1]; [invocation setArgument:value atIndex:2]; [invocation invokeWithTarget:target]; free(value); return YES; } BOOL RCTCopyProperty(id target, id source, NSString *keyPath) { // Split keypath NSArray *parts = [keyPath componentsSeparatedByString:@"."]; NSString *key = [parts lastObject]; for (NSUInteger i = 0; i < parts.count - 1; i++) { source = [source valueForKey:parts[i]]; target = [target valueForKey:parts[i]]; if (!source || !target) { return NO; } } // Get property getter SEL getter = NSSelectorFromString(key); // Get property setter SEL setter = NSSelectorFromString([NSString stringWithFormat:@"set%@%@:", [[key substringToIndex:1] uppercaseString], [key substringFromIndex:1]]); // Fail early if (![source respondsToSelector:getter] || ![target respondsToSelector:setter]) { return NO; } // Get converted value NSMethodSignature *signature = [source methodSignatureForSelector:getter]; NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature]; [invocation setArgument:&getter atIndex:1]; [invocation invokeWithTarget:source]; NSUInteger length = [signature methodReturnLength]; void *value = malloc(length); [invocation getReturnValue:value]; // Set converted value signature = [target methodSignatureForSelector:setter]; invocation = [NSInvocation invocationWithMethodSignature:signature]; [invocation setArgument:&setter atIndex:1]; [invocation setArgument:value atIndex:2]; [invocation invokeWithTarget:target]; free(value); return YES; }