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#import "XADRLE90Handle.h"
#import "XADException.h"
@implementation XADRLE90Handle
-(void)resetByteStream
{
byte=count=0;
}
-(uint8_t)produceByteAtOffset:(off_t)pos
{
if(count)
{
count--;
return byte;
}
else
{
if(CSInputAtEOF(input)) CSByteStreamEOF(self);
uint8_t b=CSInputNextByte(input);
if(b!=0x90) return byte=b;
else
{
uint8_t c=CSInputNextByte(input);
if(c==0) return byte=0x90;
else
{
if(c==1) [XADException raiseDecrunchException];
count=c-2;
return byte;
}
}
}
}
@end
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