public BrotliFileStreamTransformer(IBrotliFileStream original, BrotliCompressionParameters compressionParameters, params IBrotliTransformer[] transformers)
{
this.original = original;
this.transformers = transformers;
this.compressionParameters = compressionParameters;
this.transformedQueue = new Queue <MetaBlock>();
}
public BitStream SerializeAndValidate(IBrotliFileStream reader)
{
var writer = new BrotliFileWriter(reader.Parameters, Parameters.Serialization);
reader.ForEachRemainingMetaBlock(writer.WriteMetaBlock);
return(Validate(writer.Close()));
}
private BitStream Validate(BitStream bits)
{
IBrotliFileStream reader = BrotliFileReader.FromBytes(bits, Parameters.File.Dictionary);
var output = new BrotliOutputStored();
var state = new BrotliGlobalState(reader.Parameters, output);
reader.ForEachRemainingMetaBlock(metaBlock => metaBlock.Decompress(state));
if (!CollectionHelper.Equal(output.AsBytes, Uncompressed.Contents))
{
throw new InvalidOperationException("Mismatched output bytes.");
}
return(bits);
}
public ReferenceChecker(IBrotliFileStream originalReader, IBrotliFileStream transformingReader)
{
this.originalReader = originalReader;
this.transformingReader = transformingReader;
}
public int CountBytesAndValidate(IBrotliFileStream reader)
{
return((7 + SerializeAndValidate(reader).Length) / 8);
}
