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109 lines
4.9 KiB
Objective-C
109 lines
4.9 KiB
Objective-C
//
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// FLEXRuntimeUtility.h
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// Flipboard
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//
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// Created by Ryan Olson on 6/8/14.
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// Copyright (c) 2020 FLEX Team. All rights reserved.
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//
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#import "FLEXRuntimeConstants.h"
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#define PropertyKey(suffix) kFLEXPropertyAttributeKey##suffix : @""
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#define PropertyKeyGetter(getter) kFLEXPropertyAttributeKeyCustomGetter : NSStringFromSelector(@selector(getter))
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#define PropertyKeySetter(setter) kFLEXPropertyAttributeKeyCustomSetter : NSStringFromSelector(@selector(setter))
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/// Takes: min iOS version, property name, target class, property type, and a list of attributes
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#define FLEXRuntimeUtilityTryAddProperty(iOS_atLeast, name, cls, type, ...) ({ \
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if (@available(iOS iOS_atLeast, *)) { \
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NSMutableDictionary *attrs = [NSMutableDictionary dictionaryWithDictionary:@{ \
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kFLEXPropertyAttributeKeyTypeEncoding : @(type), \
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__VA_ARGS__ \
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}]; \
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[FLEXRuntimeUtility \
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tryAddPropertyWithName:#name \
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attributes:attrs \
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toClass:cls \
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]; \
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} \
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})
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/// Takes: min iOS version, property name, target class, property type, and a list of attributes
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#define FLEXRuntimeUtilityTryAddNonatomicProperty(iOS_atLeast, name, cls, type, ...) \
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FLEXRuntimeUtilityTryAddProperty(iOS_atLeast, name, cls, @encode(type), PropertyKey(NonAtomic), __VA_ARGS__);
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/// Takes: min iOS version, property name, target class, property type (class name), and a list of attributes
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#define FLEXRuntimeUtilityTryAddObjectProperty(iOS_atLeast, name, cls, type, ...) \
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FLEXRuntimeUtilityTryAddProperty(iOS_atLeast, name, cls, FLEXEncodeClass(type), PropertyKey(NonAtomic), __VA_ARGS__);
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extern NSString * const FLEXRuntimeUtilityErrorDomain;
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typedef NS_ENUM(NSInteger, FLEXRuntimeUtilityErrorCode) {
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// Start at a random value instead of 0 to avoid confusion with an absent code
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FLEXRuntimeUtilityErrorCodeDoesNotRecognizeSelector = 0xbabe,
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FLEXRuntimeUtilityErrorCodeInvocationFailed,
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FLEXRuntimeUtilityErrorCodeArgumentTypeMismatch
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};
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@interface FLEXRuntimeUtility : NSObject
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// General Helpers
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+ (BOOL)pointerIsValidObjcObject:(const void *)pointer;
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/// Unwraps raw pointers to objects stored in NSValue, and re-boxes C strings into NSStrings.
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+ (id)potentiallyUnwrapBoxedPointer:(id)returnedObjectOrNil type:(const FLEXTypeEncoding *)returnType;
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/// Some fields have a name in their encoded string (e.g. \"width\"d)
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/// @return the offset to skip the field name, 0 if there is no name
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+ (NSUInteger)fieldNameOffsetForTypeEncoding:(const FLEXTypeEncoding *)typeEncoding;
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/// Given name "foo" and type "int" this would return "int foo", but
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/// given name "foo" and type "T *" it would return "T *foo"
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+ (NSString *)appendName:(NSString *)name toType:(NSString *)typeEncoding;
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/// @return The class hierarchy for the given object or class,
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/// from the current class to the root-most class.
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+ (NSArray<Class> *)classHierarchyOfObject:(id)objectOrClass;
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/// Used to describe an object in brief within an explorer row
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+ (NSString *)summaryForObject:(id)value;
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+ (NSString *)safeClassNameForObject:(id)object;
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+ (NSString *)safeDescriptionForObject:(id)object;
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+ (NSString *)safeDebugDescriptionForObject:(id)object;
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+ (BOOL)safeObject:(id)object isKindOfClass:(Class)cls;
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+ (BOOL)safeObject:(id)object respondsToSelector:(SEL)sel;
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// Property Helpers
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+ (BOOL)tryAddPropertyWithName:(const char *)name
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attributes:(NSDictionary<NSString *, NSString *> *)attributePairs
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toClass:(__unsafe_unretained Class)theClass;
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+ (NSArray<NSString *> *)allPropertyAttributeKeys;
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// Method Helpers
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+ (NSArray *)prettyArgumentComponentsForMethod:(Method)method;
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// Method Calling/Field Editing
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+ (id)performSelector:(SEL)selector onObject:(id)object;
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+ (id)performSelector:(SEL)selector
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onObject:(id)object
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withArguments:(NSArray *)arguments
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error:(NSError * __autoreleasing *)error;
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+ (id)performSelector:(SEL)selector
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onObject:(id)object
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withArguments:(NSArray *)arguments
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allowForwarding:(BOOL)mightForwardMsgSend
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error:(NSError * __autoreleasing *)error;
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+ (NSString *)editableJSONStringForObject:(id)object;
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+ (id)objectValueFromEditableJSONString:(NSString *)string;
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+ (NSValue *)valueForNumberWithObjCType:(const char *)typeEncoding fromInputString:(NSString *)inputString;
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+ (void)enumerateTypesInStructEncoding:(const char *)structEncoding
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usingBlock:(void (^)(NSString *structName,
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const char *fieldTypeEncoding,
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NSString *prettyTypeEncoding,
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NSUInteger fieldIndex,
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NSUInteger fieldOffset))typeBlock;
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+ (NSValue *)valueForPrimitivePointer:(void *)pointer objCType:(const char *)type;
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#pragma mark - Metadata Helpers
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+ (NSString *)readableTypeForEncoding:(NSString *)encodingString;
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@end
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