63 lines
1.4 KiB
C#
63 lines
1.4 KiB
C#
namespace System.IO.Compression {
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using System.Diagnostics;
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internal class DeflateInput {
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private byte[] buffer;
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private int count;
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private int startIndex;
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internal byte[] Buffer {
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get {
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return buffer;
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}
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set {
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buffer = value;
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}
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}
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internal int Count {
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get {
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return count;
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}
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set {
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count = value;
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}
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}
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internal int StartIndex {
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get {
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return startIndex;
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}
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set {
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startIndex = value;
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}
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}
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internal void ConsumeBytes(int n) {
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Debug.Assert(n <= count, "Should use more bytes than what we have in the buffer");
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startIndex += n;
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count -= n;
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Debug.Assert(startIndex + count <= buffer.Length, "Input buffer is in invalid state!");
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}
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internal InputState DumpState() {
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InputState savedState;
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savedState.count = count;
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savedState.startIndex = startIndex;
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return savedState;
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}
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internal void RestoreState(InputState state) {
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count = state.count;
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startIndex = state.startIndex;
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}
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internal struct InputState {
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internal int count;
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internal int startIndex;
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}
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}
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}
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