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Brotli-Builder/BrotliBuilder/State/BrotliFileState.cs

86 lines
2.8 KiB
C#

using System;
using System.Diagnostics;
using System.Linq;
using BrotliLib.Brotli;
using BrotliLib.Brotli.Output;
using BrotliLib.Markers;
using BrotliLib.Serialization;
namespace BrotliBuilder.State{
abstract class BrotliFileState{
public abstract class TimedBrotliFileState : BrotliFileState{
public Stopwatch? Stopwatch { get; }
protected TimedBrotliFileState(Stopwatch? stopwatch){
this.Stopwatch = stopwatch;
}
}
// Concrete states
public sealed class NoFile : BrotliFileState{}
public sealed class Waiting : BrotliFileState{}
public sealed class Starting : BrotliFileState{}
public sealed class HasStructure : TimedBrotliFileState{
public BrotliFileStructure File { get; }
public HasStructure(BrotliFileStructure file, Stopwatch? stopwatch) : base(stopwatch){
this.File = file;
}
}
public sealed class HasBits : TimedBrotliFileState{
public string Bits { get; }
public HasBits(string bits, Stopwatch? stopwatch) : base(stopwatch){
this.Bits = bits;
}
}
public sealed class HasOutput : TimedBrotliFileState{
public byte[]? PreviousBytes { get; }
public byte[] OutputBytes { get; }
public HasOutput(byte[]? previousBytes, byte[] outputBytes, Stopwatch? stopwatch) : base(stopwatch){
this.PreviousBytes = previousBytes;
this.OutputBytes = outputBytes;
}
}
public sealed class HasMarkers : BrotliFileState{
public MarkerRoot MarkerRoot { get; }
public MarkerNode[] Markers { get; }
public HasMarkers(MarkerRoot markerRoot){
this.MarkerRoot = markerRoot;
this.Markers = markerRoot.ToArray();
}
}
public sealed class Loaded : BrotliFileState{
public BrotliFileStructure File { get; }
public int TotalCompressedBits { get; }
public int TotalOutputBytes { get; }
public Loaded(BrotliFileStructure file, BitStream bits, BrotliOutputStored output, MarkerRoot? markerRoot){
this.File = file;
this.TotalCompressedBits = markerRoot?.TotalBits ?? bits.Length; // use markers to account for padding whenever possible
this.TotalOutputBytes = output.OutputSize;
}
}
public sealed class Error : BrotliFileState{
public ErrorType Type { get; }
public Exception Exception { get; }
public Error(ErrorType type, Exception exception){
this.Type = type;
this.Exception = exception;
}
}
}
}