78 lines
2.5 KiB
Objective-C
78 lines
2.5 KiB
Objective-C
#import <Foundation/Foundation.h>
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@interface NSData (Util)
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- (NSString *)encodedAsHexString;
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- (const void *)bytesNotNull;
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+ (NSData *)dataWithLength:(NSUInteger)length;
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+ (NSData *)dataWithSingleByte:(uint8_t)value;
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/// Decodes the data as a utf-8 string.
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- (NSString *)decodedAsUtf8;
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/// Decodes the data as an ascii string.
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/// Throws when the data contains non-ascii character data (bytes larger than 127).
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- (NSString *)decodedAsAscii;
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/// Decodes the data as an ascii string.
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/// Replaces any bad or non-printable characters with dots.
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- (NSString *)decodedAsAsciiReplacingErrorsWithDots;
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/// Finds the first index where the given sub data is present.
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/// Returns nil if there is no such index.
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- (NSNumber *)tryFindIndexOf:(NSData *)subData;
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- (NSData *)skip:(NSUInteger)offset;
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- (NSData *)take:(NSUInteger)takeCount;
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- (NSData *)skipLast:(NSUInteger)skipLastCount;
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- (NSData *)takeLast:(NSUInteger)takeLastCount;
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/// Returns an NSData referencing a subrange of another NSData.
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/// Modifying the original NSData will modify the result.
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/// If the original is dealloced before the result, bad things happen to you.
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- (NSData *)subdataVolatileWithRange:(NSRange)range;
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/// Returns an NSData referencing the end of another NSData.
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/// Modifying the original NSData will modify the result.
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/// If the original is dealloced before the result, bad things happen to you.
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- (NSData *)skipVolatile:(NSUInteger)offset;
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/// Returns an NSData referencing the start of another NSData.
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/// Modifying the original NSData will modify the result.
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/// If the original is dealloced before the result, bad things happen to you.
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- (NSData *)takeVolatile:(NSUInteger)takeCount;
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/// Returns an NSData referencing the start of another NSData.
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/// Modifying the original NSData will modify the result.
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/// If the original is dealloced before the result, bad things happen to you.
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- (NSData *)skipLastVolatile:(NSUInteger)skipLastCount;
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/// Returns an NSData referencing the end of another NSData.
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/// Modifying the original NSData will modify the result.
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/// If the original is dealloced before the result, bad things happen to you.
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- (NSData *)takeLastVolatile:(NSUInteger)takeLastCount;
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- (uint8_t)uint8At:(NSUInteger)offset;
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- (uint8_t)highUint4AtByteOffset:(NSUInteger)offset;
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- (uint8_t)lowUint4AtByteOffset:(NSUInteger)offset;
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- (NSString *)encodedAsBase64;
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@end
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@interface NSMutableData (Util)
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- (void)replaceBytesStartingAt:(NSUInteger)offset withData:(NSData *)data;
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- (void)setUint8At:(NSUInteger)offset to:(uint8_t)newValue;
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@end
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