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#import "XADCABBlockHandle.h"
#import "XADException.h"
@implementation XADCABBlockHandle
-(id)initWithBlockReader:(XADCABBlockReader *)blockreader
{
if((self=[super initWithName:[[blockreader handle] name] length:[blockreader uncompressedLength]]))
{
blocks=[blockreader retain];
}
return self;
}
-(void)dealloc
{
[blocks release];
[super dealloc];
}
-(void)resetBlockStream
{
[blocks restart];
[self resetCABBlockHandle];
}
-(int)produceBlockAtOffset:(off_t)pos
{
int complen,uncomplen;
if([blocks readNextBlockToBuffer:inbuffer compressedLength:&complen
uncompressedLength:&uncomplen]) [self endBlockStream];
return [self produceCABBlockWithInputBuffer:inbuffer length:complen atOffset:pos length:uncomplen];
}
-(void)resetCABBlockHandle {}
-(int)produceCABBlockWithInputBuffer:(uint8_t *)buffer length:(int)length atOffset:(off_t)pos length:(int)uncomplength { return 0; }
@end
@implementation XADCABCopyHandle
-(int)produceCABBlockWithInputBuffer:(uint8_t *)buffer length:(int)length atOffset:(off_t)pos length:(int)uncomplength
{
[self setBlockPointer:buffer];
return length;
}
@end
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