1 // This source code is dual-licensed under the Apache License, version
2 // 2.0, and the Mozilla Public License, version 1.1.
6 //---------------------------------------------------------------------------
7 // Copyright (C) 2007, 2008 LShift Ltd., Cohesive Financial
8 // Technologies LLC., and Rabbit Technologies Ltd.
10 // Licensed under the Apache License, Version 2.0 (the "License");
11 // you may not use this file except in compliance with the License.
12 // You may obtain a copy of the License at
14 // http://www.apache.org/licenses/LICENSE-2.0
16 // Unless required by applicable law or agreed to in writing, software
17 // distributed under the License is distributed on an "AS IS" BASIS,
18 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 // See the License for the specific language governing permissions and
20 // limitations under the License.
21 //---------------------------------------------------------------------------
25 //---------------------------------------------------------------------------
26 // The contents of this file are subject to the Mozilla Public License
27 // Version 1.1 (the "License"); you may not use this file except in
28 // compliance with the License. You may obtain a copy of the License at
29 // http://www.rabbitmq.com/mpl.html
31 // Software distributed under the License is distributed on an "AS IS"
32 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
33 // License for the specific language governing rights and limitations
36 // The Original Code is The RabbitMQ .NET Client.
38 // The Initial Developers of the Original Code are LShift Ltd.,
39 // Cohesive Financial Technologies LLC., and Rabbit Technologies Ltd.
41 // Portions created by LShift Ltd., Cohesive Financial Technologies
42 // LLC., and Rabbit Technologies Ltd. are Copyright (C) 2007, 2008
43 // LShift Ltd., Cohesive Financial Technologies LLC., and Rabbit
46 // All Rights Reserved.
48 // Contributor(s): ______________________________________.
50 //---------------------------------------------------------------------------
52 using System.Collections;
53 using RabbitMQ.Client;
54 using RabbitMQ.Client.Exceptions;
57 namespace RabbitMQ.Client.Impl
59 public class ContentHeaderPropertyReader
61 private NetworkBinaryReader m_reader;
63 public NetworkBinaryReader BaseReader { get { return m_reader; } }
65 protected ushort m_flagWord;
66 protected ushort m_bitCount;
68 public ContentHeaderPropertyReader(NetworkBinaryReader reader)
71 m_flagWord = 1; // just the continuation bit
72 m_bitCount = 15; // the correct position to force a m_flagWord read
75 public bool ContinuationBitSet { get { return ((m_flagWord & 1) != 0); } }
77 public void ReadFlagWord()
79 if (!ContinuationBitSet)
81 throw new MalformedFrameException("Attempted to read flag word when none advertised");
83 m_flagWord = m_reader.ReadUInt16();
87 public bool ReadPresence()
94 int bit = 15 - m_bitCount;
95 bool result = (m_flagWord & (1 << bit)) != 0;
100 public void FinishPresence()
102 if (ContinuationBitSet)
104 throw new MalformedFrameException("Unexpected continuation flag word");
108 public bool ReadBit()
110 return ReadPresence();
113 public byte ReadOctet()
115 return WireFormatting.ReadOctet(m_reader);
118 public string ReadShortstr()
120 return WireFormatting.ReadShortstr(m_reader);
123 public byte[] ReadLongstr()
125 return WireFormatting.ReadLongstr(m_reader);
128 public ushort ReadShort()
130 return WireFormatting.ReadShort(m_reader);
133 public uint ReadLong()
135 return WireFormatting.ReadLong(m_reader);
138 public ulong ReadLonglong()
140 return WireFormatting.ReadLonglong(m_reader);
143 public IDictionary ReadTable()
145 return WireFormatting.ReadTable(m_reader);
148 public AmqpTimestamp ReadTimestamp()
150 return WireFormatting.ReadTimestamp(m_reader);