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#import "Progress.h"
@implementation CSHandle (Progress)
-(double)estimatedProgress
{
off_t size=[self fileSize];
if(size==CSHandleMaxLength) return 0;
return (double)[self offsetInFile]/(double)size;
}
@end
@implementation CSStreamHandle (progress)
-(double)estimatedProgress
{
if(streamlength==CSHandleMaxLength)
{
if(input) return [input->parent estimatedProgress]; // TODO: better estimation
else return 0;
}
else return (double)streampos/(double)streamlength;
}
@end
@implementation CSZlibHandle (Progress)
-(double)estimatedProgress { return [parent estimatedProgress]; } // TODO: better estimation using buffer?
@end
@implementation CSBzip2Handle (progress)
-(double)estimatedProgress { return [parent estimatedProgress]; } // TODO: better estimation using buffer?
@end
// TODO: more handles like LZMA?
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