CFData.h

/*	CFData.h
	Copyright (c) 1998-2018, Apple Inc. and the Swift project authors
 
	Portions Copyright (c) 2014-2018, Apple Inc. and the Swift project authors
	Licensed under Apache License v2.0 with Runtime Library Exception
	See http://swift.org/LICENSE.txt for license information
	See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
*/

#if !defined(__COREFOUNDATION_CFDATA__)
#define __COREFOUNDATION_CFDATA__ 1

#include <CoreFoundation/CFBase.h>

CF_IMPLICIT_BRIDGING_ENABLED
CF_EXTERN_C_BEGIN
    
typedef const struct CF_BRIDGED_TYPE(NSData) __CFData * CFDataRef;
typedef struct CF_BRIDGED_MUTABLE_TYPE(NSMutableData) __CFData * CFMutableDataRef;

CF_EXPORT
CFTypeID CFDataGetTypeID(void);

CF_EXPORT
CFDataRef CFDataCreate(CFAllocatorRef allocator, const UInt8 *bytes, CFIndex length);

CF_EXPORT
CFDataRef CFDataCreateWithBytesNoCopy(CFAllocatorRef allocator, const UInt8 *bytes, CFIndex length, CFAllocatorRef bytesDeallocator);
    /* Pass kCFAllocatorNull as bytesDeallocator to assure the bytes aren't freed */

CF_EXPORT
CFDataRef CFDataCreateCopy(CFAllocatorRef allocator, CFDataRef theData);

CF_EXPORT
CFMutableDataRef CFDataCreateMutable(CFAllocatorRef allocator, CFIndex capacity);

CF_EXPORT
CFMutableDataRef CFDataCreateMutableCopy(CFAllocatorRef allocator, CFIndex capacity, CFDataRef theData);

CF_EXPORT
CFIndex CFDataGetLength(CFDataRef theData);

CF_EXPORT
const UInt8 *CFDataGetBytePtr(CFDataRef theData);

CF_EXPORT
UInt8 *CFDataGetMutableBytePtr(CFMutableDataRef theData);

CF_EXPORT
void CFDataGetBytes(CFDataRef theData, CFRange range, UInt8 *buffer); 

CF_EXPORT
void CFDataSetLength(CFMutableDataRef theData, CFIndex length);

CF_EXPORT
void CFDataIncreaseLength(CFMutableDataRef theData, CFIndex extraLength);

CF_EXPORT
void CFDataAppendBytes(CFMutableDataRef theData, const UInt8 *bytes, CFIndex length);

CF_EXPORT
void CFDataReplaceBytes(CFMutableDataRef theData, CFRange range, const UInt8 *newBytes, CFIndex newLength);

CF_EXPORT
void CFDataDeleteBytes(CFMutableDataRef theData, CFRange range);

typedef CF_OPTIONS(CFOptionFlags, CFDataSearchFlags) {
    kCFDataSearchBackwards = 1UL << 0,
    kCFDataSearchAnchored = 1UL << 1
} API_AVAILABLE(macos(10.6), ios(4.0), watchos(2.0), tvos(9.0));

CF_EXPORT
CFRange CFDataFind(CFDataRef theData, CFDataRef dataToFind, CFRange searchRange, CFDataSearchFlags compareOptions) API_AVAILABLE(macos(10.6), ios(4.0), watchos(2.0), tvos(9.0));

CF_EXTERN_C_END
CF_IMPLICIT_BRIDGING_DISABLED

#endif /* ! __COREFOUNDATION_CFDATA__ */