86 lines
2.1 KiB
Mathematica
86 lines
2.1 KiB
Mathematica
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// HFByteSlice.m
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// HexFiend_2
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//
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// Copyright 2007 ridiculous_fish. All rights reserved.
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//
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#import <HexFiend/HFByteSlice.h>
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@implementation HFByteSlice
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- (instancetype)init {
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if ([self class] == [HFByteSlice class]) {
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[NSException raise:NSInvalidArgumentException format:@"init sent to HFByteArray, but HFByteArray is an abstract class. Instantiate one of its subclasses instead."];
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}
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return [super init];
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}
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- (unsigned long long)length { UNIMPLEMENTED(); }
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- (void)copyBytes:(unsigned char*)dst range:(HFRange)range { USE(dst); USE(range); UNIMPLEMENTED_VOID(); }
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- (HFByteSlice *)subsliceWithRange:(HFRange)range { USE(range); UNIMPLEMENTED(); }
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- (void)constructNewByteSlicesAboutRange:(HFRange)range first:(HFByteSlice **)first second:(HFByteSlice **)second {
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const unsigned long long length = [self length];
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//clip the range to our extent
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range.location = llmin(range.location, length);
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range.length = llmin(range.length, length - range.location);
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HFRange firstRange = {0, range.location};
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HFRange secondRange = {range.location + range.length, [self length] - (range.location + range.length)};
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if (first) {
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if (firstRange.length > 0)
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*first = [self subsliceWithRange:firstRange];
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else
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*first = nil;
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}
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if (second) {
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if (secondRange.length > 0)
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*second = [self subsliceWithRange:secondRange];
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else
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*second = nil;
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}
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}
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- (HFByteSlice *)byteSliceByAppendingSlice:(HFByteSlice *)slice {
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USE(slice);
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return nil;
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}
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- (HFByteRangeAttributeArray *)attributesForBytesInRange:(HFRange)range {
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USE(range);
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return nil;
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}
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- (BOOL)isSourcedFromFile {
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return NO;
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}
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- (HFRange)sourceRangeForFile:(HFFileReference *)reference {
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USE(reference);
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return HFRangeMake(ULLONG_MAX, ULLONG_MAX);
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}
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- (id)retain {
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HFAtomicIncrement(&retainCount, NO);
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return self;
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}
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- (oneway void)release {
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if (HFAtomicDecrement(&retainCount, NO) == (NSUInteger)(-1)) {
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[self dealloc];
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}
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}
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- (NSUInteger)retainCount {
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return 1 + retainCount;
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}
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@end
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