Revert "THRIFT-4982 Remove deprecated C# bindings from the code base"
Only compiler, test, lib and tutorial code.
diff --git a/lib/csharp/src/Protocol/TProtocol.cs b/lib/csharp/src/Protocol/TProtocol.cs
new file mode 100644
index 0000000..dd7a6e0
--- /dev/null
+++ b/lib/csharp/src/Protocol/TProtocol.cs
@@ -0,0 +1,142 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ * Contains some contributions under the Thrift Software License.
+ * Please see doc/old-thrift-license.txt in the Thrift distribution for
+ * details.
+ */
+
+using System;
+using System.Text;
+using Thrift.Transport;
+
+namespace Thrift.Protocol
+{
+ public abstract class TProtocol : IDisposable
+ {
+ private const int DEFAULT_RECURSION_DEPTH = 64;
+
+ protected TTransport trans;
+ protected int recursionLimit;
+ protected int recursionDepth;
+
+ protected TProtocol(TTransport trans)
+ {
+ this.trans = trans;
+ this.recursionLimit = DEFAULT_RECURSION_DEPTH;
+ this.recursionDepth = 0;
+ }
+
+ public TTransport Transport
+ {
+ get { return trans; }
+ }
+
+ public int RecursionLimit
+ {
+ get { return recursionLimit; }
+ set { recursionLimit = value; }
+ }
+
+ public void IncrementRecursionDepth()
+ {
+ if (recursionDepth < recursionLimit)
+ ++recursionDepth;
+ else
+ throw new TProtocolException(TProtocolException.DEPTH_LIMIT, "Depth limit exceeded");
+ }
+
+ public void DecrementRecursionDepth()
+ {
+ --recursionDepth;
+ }
+
+ #region " IDisposable Support "
+ private bool _IsDisposed;
+
+ // IDisposable
+ public void Dispose()
+ {
+ Dispose(true);
+ }
+
+ protected virtual void Dispose(bool disposing)
+ {
+ if (!_IsDisposed)
+ {
+ if (disposing)
+ {
+ if (trans is IDisposable)
+ (trans as IDisposable).Dispose();
+ }
+ }
+ _IsDisposed = true;
+ }
+ #endregion
+
+ public abstract void WriteMessageBegin(TMessage message);
+ public abstract void WriteMessageEnd();
+ public abstract void WriteStructBegin(TStruct struc);
+ public abstract void WriteStructEnd();
+ public abstract void WriteFieldBegin(TField field);
+ public abstract void WriteFieldEnd();
+ public abstract void WriteFieldStop();
+ public abstract void WriteMapBegin(TMap map);
+ public abstract void WriteMapEnd();
+ public abstract void WriteListBegin(TList list);
+ public abstract void WriteListEnd();
+ public abstract void WriteSetBegin(TSet set);
+ public abstract void WriteSetEnd();
+ public abstract void WriteBool(bool b);
+ public abstract void WriteByte(sbyte b);
+ public abstract void WriteI16(short i16);
+ public abstract void WriteI32(int i32);
+ public abstract void WriteI64(long i64);
+ public abstract void WriteDouble(double d);
+ public virtual void WriteString(string s)
+ {
+ WriteBinary(Encoding.UTF8.GetBytes(s));
+ }
+ public abstract void WriteBinary(byte[] b);
+
+ public abstract TMessage ReadMessageBegin();
+ public abstract void ReadMessageEnd();
+ public abstract TStruct ReadStructBegin();
+ public abstract void ReadStructEnd();
+ public abstract TField ReadFieldBegin();
+ public abstract void ReadFieldEnd();
+ public abstract TMap ReadMapBegin();
+ public abstract void ReadMapEnd();
+ public abstract TList ReadListBegin();
+ public abstract void ReadListEnd();
+ public abstract TSet ReadSetBegin();
+ public abstract void ReadSetEnd();
+ public abstract bool ReadBool();
+ public abstract sbyte ReadByte();
+ public abstract short ReadI16();
+ public abstract int ReadI32();
+ public abstract long ReadI64();
+ public abstract double ReadDouble();
+ public virtual string ReadString()
+ {
+ var buf = ReadBinary();
+ return Encoding.UTF8.GetString(buf, 0, buf.Length);
+ }
+ public abstract byte[] ReadBinary();
+ }
+}