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Fix crash when converting NSNull values

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Reviewed By: fkgozali

Differential Revision: D5583401

fbshipit-source-id: 7adbdaf91c3f7d9a87f44c53ff342c54a04a1e50
This commit is contained in:
Pieter De Baets 2017-08-09 03:16:34 -07:00 committed by Facebook Github Bot
parent 0241cb76d1
commit b06bfdd280
1 changed files with 20 additions and 31 deletions
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51
React/Base/RCTConvert.m
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@ -398,8 +398,7 @@ RCT_ENUM_CONVERTER(UIBarStyle, (@{
}), UIBarStyleDefault, integerValue)
#endif
// TODO: normalise the use of w/width so we can do away with the alias values (#6566645)
static void RCTConvertCGStructValue(const char *type, NSArray *fields, NSDictionary *aliases, CGFloat *result, id json)
static void convertCGStruct(const char *type, NSArray *fields, CGFloat *result, id json)
{
NSUInteger count = fields.count;
if ([json isKindOfClass:[NSArray class]]) {
@ -407,23 +406,12 @@ static void RCTConvertCGStructValue(const char *type, NSArray *fields, NSDiction
RCTLogError(@"Expected array with count %zd, but count is %zd: %@", count, [json count], json);
} else {
for (NSUInteger i = 0; i < count; i++) {
result[i] = [RCTConvert CGFloat:json[i]];
result[i] = [RCTConvert CGFloat:RCTNilIfNull(json[i])];
}
}
} else if ([json isKindOfClass:[NSDictionary class]]) {
if (aliases.count) {
json = [json mutableCopy];
for (NSString *alias in aliases) {
NSString *key = aliases[alias];
NSNumber *number = json[alias];
if (number != nil) {
RCTLogWarn(@"Using deprecated '%@' property for '%s'. Use '%@' instead.", alias, type, key);
((NSMutableDictionary *)json)[key] = number;
}
}
}
for (NSUInteger i = 0; i < count; i++) {
result[i] = [RCTConvert CGFloat:json[fields[i]]];
result[i] = [RCTConvert CGFloat:RCTNilIfNull(json[fields[i]])];
}
} else if (json) {
RCTLogConvertError(json, @(type));
@ -434,24 +422,25 @@ static void RCTConvertCGStructValue(const char *type, NSArray *fields, NSDiction
* This macro is used for creating converter functions for structs that consist
* of a number of CGFloat properties, such as CGPoint, CGRect, etc.
*/
#define RCT_CGSTRUCT_CONVERTER(type, values, aliases) \
+ (type)type:(id)json \
{ \
static NSArray *fields; \
static dispatch_once_t onceToken; \
dispatch_once(&onceToken, ^{ \
fields = values; \
}); \
type result; \
RCTConvertCGStructValue(#type, fields, aliases, (CGFloat *)&result, json); \
return result; \
#define RCT_CGSTRUCT_CONVERTER(type, values) \
+ (type)type:(id)json \
{ \
static NSArray *fields; \
static dispatch_once_t onceToken; \
dispatch_once(&onceToken, ^{ \
fields = values; \
}); \
type result; \
convertCGStruct(#type, fields, (CGFloat *)&result, json); \
return result; \
}
RCT_CUSTOM_CONVERTER(CGFloat, CGFloat, [self double:json])
RCT_CGSTRUCT_CONVERTER(CGPoint, (@[@"x", @"y"]), (@{@"l": @"x", @"t": @"y"}))
RCT_CGSTRUCT_CONVERTER(CGSize, (@[@"width", @"height"]), (@{@"w": @"width", @"h": @"height"}))
RCT_CGSTRUCT_CONVERTER(CGRect, (@[@"x", @"y", @"width", @"height"]), (@{@"l": @"x", @"t": @"y", @"w": @"width", @"h": @"height"}))
RCT_CGSTRUCT_CONVERTER(UIEdgeInsets, (@[@"top", @"left", @"bottom", @"right"]), nil)
RCT_CGSTRUCT_CONVERTER(CGPoint, (@[@"x", @"y"]))
RCT_CGSTRUCT_CONVERTER(CGSize, (@[@"width", @"height"]))
RCT_CGSTRUCT_CONVERTER(CGRect, (@[@"x", @"y", @"width", @"height"]))
RCT_CGSTRUCT_CONVERTER(UIEdgeInsets, (@[@"top", @"left", @"bottom", @"right"]))
RCT_ENUM_CONVERTER(CGLineJoin, (@{
@"miter": @(kCGLineJoinMiter),
@ -467,7 +456,7 @@ RCT_ENUM_CONVERTER(CGLineCap, (@{
RCT_CGSTRUCT_CONVERTER(CGAffineTransform, (@[
@"a", @"b", @"c", @"d", @"tx", @"ty"
]), nil)
]))
+ (UIColor *)UIColor:(id)json
{