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Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/tls/ByteQueueInputStream.cs

@@ -0,0 +1,76 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Tls
+{
+    public sealed class ByteQueueInputStream
+        : BaseInputStream
+    {
+        private readonly ByteQueue m_buffer;
+
+        public ByteQueueInputStream()
+        {
+            this.m_buffer = new ByteQueue();
+        }
+
+        public void AddBytes(byte[] buf)
+        {
+            m_buffer.AddData(buf, 0, buf.Length);
+        }
+
+        public void AddBytes(byte[] buf, int bufOff, int bufLen)
+        {
+            m_buffer.AddData(buf, bufOff, bufLen);
+        }
+
+        public int Peek(byte[] buf)
+        {
+            int bytesToRead = System.Math.Min(m_buffer.Available, buf.Length);
+            m_buffer.Read(buf, 0, bytesToRead, 0);
+            return bytesToRead;
+        }
+
+        public override int Read(byte[] buffer, int offset, int count)
+        {
+            Streams.ValidateBufferArguments(buffer, offset, count);
+
+            int bytesToRead = System.Math.Min(m_buffer.Available, count);
+            m_buffer.RemoveData(buffer, offset, bytesToRead, 0);
+            return bytesToRead;
+        }
+
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
+        public override int Read(Span<byte> buffer)
+        {
+            int bytesToRead = System.Math.Min(m_buffer.Available, buffer.Length);
+            m_buffer.RemoveData(buffer[..bytesToRead], 0);
+            return bytesToRead;
+        }
+#endif
+
+        public override int ReadByte()
+        {
+            if (m_buffer.Available == 0)
+                return -1;
+
+            return m_buffer.RemoveData(1, 0)[0];
+        }
+
+        public long Skip(long n)
+        {
+            int bytesToRemove = System.Math.Min((int)n, m_buffer.Available);
+            m_buffer.RemoveData(bytesToRemove);
+            return bytesToRemove;
+        }
+
+        public int Available
+        {
+            get { return m_buffer.Available; }
+        }
+    }
+}
+#pragma warning restore
+#endif