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/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) Under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for Additional information regarding copyright ownership.
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The ASF licenses this file to You Under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed Under the License is distributed on an "AS Is" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations Under the License.
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==================================================================== */
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namespace HH.WMS.Utils.NPOI.HSSF.Record
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{
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using System;
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using System.Text;
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using System.IO;
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using HH.WMS.Utils.NPOI.Util;
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using HH.WMS.Utils.NPOI.SS.Formula;
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/**
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* Subrecords are part of the OBJ class.
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*/
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public abstract class SubRecord : ICloneable
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{
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public static SubRecord CreateSubRecord(ILittleEndianInput in1, CommonObjectType cmoOt)
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{
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int sid = in1.ReadUShort();
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int secondUShort = in1.ReadUShort(); // Often (but not always) the datasize for the sub-record
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switch (sid)
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{
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case CommonObjectDataSubRecord.sid:
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return new CommonObjectDataSubRecord(in1, secondUShort);
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case EmbeddedObjectRefSubRecord.sid:
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return new EmbeddedObjectRefSubRecord(in1, secondUShort);
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case GroupMarkerSubRecord.sid:
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return new GroupMarkerSubRecord(in1, secondUShort);
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case EndSubRecord.sid:
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return new EndSubRecord(in1, secondUShort);
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case NoteStructureSubRecord.sid:
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return new NoteStructureSubRecord(in1, secondUShort);
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case LbsDataSubRecord.sid:
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return new LbsDataSubRecord(in1, secondUShort, (int)cmoOt);
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case FtCblsSubRecord.sid:
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return new FtCblsSubRecord(in1, secondUShort);
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}
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return new UnknownSubRecord(in1, sid, secondUShort);
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}
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public abstract short Sid { get; }
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public abstract int DataSize { get; }
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public abstract void Serialize(ILittleEndianOutput out1);
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public byte[] Serialize()
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{
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int size = DataSize + 4;
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using (MemoryStream baos = new MemoryStream(size))
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{
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Serialize(new LittleEndianOutputStream(baos));
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if (baos.Length != size)
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{
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throw new Exception("write size mismatch");
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}
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return baos.ToArray();
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}
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}
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/**
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* Wether this record terminates the sub-record stream.
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* There are two cases when this method must be overridden and return <c>true</c>
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* - EndSubRecord (sid = 0x00)
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* - LbsDataSubRecord (sid = 0x12)
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*
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* @return whether this record is the last in the sub-record stream
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*/
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public virtual bool IsTerminating
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{
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get
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{
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return false;
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}
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}
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public abstract Object Clone();
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}
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public class UnknownSubRecord : SubRecord
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{
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private int _sid;
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private byte[] _data;
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public UnknownSubRecord(ILittleEndianInput in1, int sid, int size)
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{
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_sid = sid;
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byte[] buf = new byte[size];
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in1.ReadFully(buf);
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_data = buf;
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}
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public override int DataSize
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{
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get
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{
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return _data.Length;
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}
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}
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public override short Sid
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{
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get
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{
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return (short)_sid;
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}
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}
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public override void Serialize(ILittleEndianOutput out1)
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{
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out1.WriteShort(_sid);
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out1.WriteShort(_data.Length);
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out1.Write(_data);
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}
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public override Object Clone()
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{
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return this;
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}
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public override String ToString()
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{
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StringBuilder sb = new StringBuilder(64);
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sb.Append(GetType().Name).Append(" [");
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sb.Append("sid=").Append(HexDump.ShortToHex(_sid));
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sb.Append(" size=").Append(_data.Length);
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sb.Append(" : ").Append(HexDump.ToHex(_data));
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sb.Append("]\n");
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return sb.ToString();
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}
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}
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}
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