| /* |
| * |
| * 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. |
| * |
| */ |
| |
| using System; |
| using System.Diagnostics; |
| using System.IO; |
| using org.apache.qpid.transport.util; |
| |
| namespace org.apache.qpid.transport.codec |
| { |
| /// <summary> |
| /// MSEncoder |
| /// </summary> |
| public sealed class MSEncoder : AbstractEncoder |
| { |
| private readonly MemoryStream _out; |
| private readonly BinaryWriter _writer; |
| |
| public MSEncoder(int capacity) |
| { |
| _out = new MemoryStream(capacity); |
| _writer = new BinaryWriter(_out); |
| } |
| |
| public void Init() |
| { |
| _out.Seek(0, SeekOrigin.Begin); |
| } |
| |
| public MemoryStream Segment() |
| { |
| int length = (int) _out.Position; |
| MemoryStream result = new MemoryStream(_out.ToArray(), 0, length); |
| result.Seek(length, SeekOrigin.Begin); |
| _out.Seek(0, SeekOrigin.Begin); |
| return result; |
| } |
| |
| |
| protected override void DoPut(byte b) |
| { |
| _writer.Write(b); |
| } |
| |
| protected override void DoPut(MemoryStream src) |
| { |
| _writer.Write(src.ToArray()); |
| } |
| |
| protected override void Put(byte[] bytes) |
| { |
| _writer.Write(bytes); |
| } |
| |
| public override void WriteUint8(short b) |
| { |
| Debug.Assert(b < 0x100); |
| _writer.Write((byte) b); |
| } |
| |
| public override void WriteUint16(int s) |
| { |
| Debug.Assert(s < 0x10000); |
| _writer.Write(ByteEncoder.GetBigEndian((UInt16) s)); |
| } |
| |
| public override void WriteUint32(long i) |
| { |
| Debug.Assert(i < 0x100000000L); |
| _writer.Write(ByteEncoder.GetBigEndian((UInt32) i)); |
| } |
| |
| public override void WriteUint64(long l) |
| { |
| _writer.Write(ByteEncoder.GetBigEndian(l)); |
| } |
| |
| public override void WriteInt8(short b) |
| { |
| Debug.Assert(b < 0x100); |
| _writer.Write((byte) b); |
| } |
| |
| public override void WriteInt16(int s) |
| { |
| Debug.Assert(s < 0x10000); |
| _writer.Write(ByteEncoder.GetBigEndian((Int16) s)); |
| } |
| |
| public override void WriteInt32(long i) |
| { |
| Debug.Assert(i < 0x100000000L); |
| _writer.Write(ByteEncoder.GetBigEndian((Int32) i)); |
| } |
| |
| public override void WriteInt64(long l) |
| { |
| _writer.Write(ByteEncoder.GetBigEndian(l)); |
| } |
| |
| public override void WriteFloat(float f) { |
| _writer.Write(f) ; |
| } |
| |
| public override void WriteDouble(double d) { |
| _writer.Write(ByteEncoder.GetBigEndian(d)) ; |
| } |
| |
| protected override int BeginSize8() |
| { |
| int pos = (int) _out.Position; |
| _writer.Write((byte) 0); |
| return pos; |
| } |
| |
| protected override void EndSize8(int pos) |
| { |
| int cur = (int) _out.Position; |
| _out.Seek(pos, SeekOrigin.Begin); |
| _writer.Write((byte) (cur - pos - 1)); |
| _out.Seek(cur, SeekOrigin.Begin); |
| } |
| |
| protected override int BeginSize16() |
| { |
| int pos = (int) _out.Position; |
| _writer.Write((short) 0); |
| return pos; |
| } |
| |
| protected override void EndSize16(int pos) |
| { |
| int cur = (int) _out.Position; |
| _out.Seek(pos, SeekOrigin.Begin); |
| _writer.Write((short) (cur - pos - 2)); |
| _out.Seek(cur, SeekOrigin.Begin); |
| } |
| |
| protected override int BeginSize32() |
| { |
| int pos = (int) _out.Position; |
| _writer.Write(0); |
| return pos; |
| } |
| |
| protected override void EndSize32(int pos) |
| { |
| int cur = (int) _out.Position; |
| _out.Seek(pos, SeekOrigin.Begin); |
| _writer.Write(ByteEncoder.GetBigEndian((Int32) cur - pos - 4)); |
| _out.Seek(cur, SeekOrigin.Begin); |
| } |
| } |
| } |