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#import "OFSeekableStream.h"
#import "OFNotImplementedException.h"
@implementation OFSeekableStream
- (void)lowlevelSeekToOffset: (off_t)offset
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (off_t)lowlevelSeekForwardWithOffset: (off_t)offset
- (off_t)lowlevelSeekToOffsetRelativeToEnd: (off_t)offset
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
[self lowlevelSeekToOffset: offset];
[self freeMemory: cache];
cache = NULL;
cacheLength = 0;
}
- (off_t)seekForwardWithOffset: (off_t)offset
{
off_t ret;
ret = [self lowlevelSeekForwardWithOffset: offset - cacheLength];
[self freeMemory: cache];
cache = NULL;
cacheLength = 0;
return ret;
}
- (off_t)seekToOffsetRelativeToEnd: (off_t)offset
{
off_t ret;
ret = [self lowlevelSeekToOffsetRelativeToEnd: offset];
[self freeMemory: cache];
cache = NULL;
cacheLength = 0;
return ret;
}
@end
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#import "OFSeekableStream.h"
#import "OFNotImplementedException.h"
@implementation OFSeekableStream
- (void)lowlevelSeekToOffset: (off_t)offset
whence: (int)whence
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void)seekToOffset: (off_t)offset
whence: (int)whence
{
[self lowlevelSeekToOffset: offset
whence: whence];
[self freeMemory: cache];
cache = NULL;
cacheLength = 0;
}
@end
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