/* ====================================================================
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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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using System.Collections.Generic;
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using HH.WMS.Utils.NPOI.Util;
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using System;
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using System.Text;
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namespace HH.WMS.Utils.NPOI.DDF
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{
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/**
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* Common abstract class for {@link EscherOptRecord} and
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* {@link EscherTertiaryOptRecord}
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*
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* @author Sergey Vladimirov (vlsergey {at} gmail {dot} com)
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* @author Glen Stampoultzis
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*/
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public abstract class AbstractEscherOptRecord : EscherRecord
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{
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protected List<EscherProperty> properties = new List<EscherProperty>();
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/**
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* Add a property to this record.
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*/
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public void AddEscherProperty(EscherProperty prop)
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{
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properties.Add(prop);
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}
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public override int FillFields(byte[] data, int offset,
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EscherRecordFactory recordFactory)
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{
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int bytesRemaining = ReadHeader(data, offset);
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int pos = offset + 8;
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EscherPropertyFactory f = new EscherPropertyFactory();
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properties = f.CreateProperties(data, pos, GetInstance());
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return bytesRemaining + 8;
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}
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/**
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* The list of properties stored by this record.
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*/
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public List<EscherProperty> EscherProperties
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{
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get
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{
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return properties;
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}
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}
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/**
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* The list of properties stored by this record.
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*/
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public EscherProperty GetEscherProperty(int index)
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{
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return properties[index];
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}
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private int PropertiesSize
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{
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get
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{
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int totalSize = 0;
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foreach (EscherProperty property in properties)
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{
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totalSize += property.PropertySize;
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}
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return totalSize;
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}
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}
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public override int RecordSize
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{
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get
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{
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return 8 + PropertiesSize;
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}
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}
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public EscherProperty Lookup(int propId)
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{
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foreach (EscherProperty prop in properties)
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{
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if (prop.PropertyNumber == propId)
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{
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return prop;
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}
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}
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return null;
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}
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public override int Serialize(int offset, byte[] data,
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EscherSerializationListener listener)
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{
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listener.BeforeRecordSerialize(offset, RecordId, this);
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LittleEndian.PutShort(data, offset, Options);
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LittleEndian.PutShort(data, offset + 2, RecordId);
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LittleEndian.PutInt(data, offset + 4, PropertiesSize);
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int pos = offset + 8;
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foreach (EscherProperty property in properties)
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{
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pos += property.SerializeSimplePart(data, pos);
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}
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foreach (EscherProperty property in properties)
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{
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pos += property.SerializeComplexPart(data, pos);
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}
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listener.AfterRecordSerialize(pos, RecordId, pos - offset, this);
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return pos - offset;
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}
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internal class EscherPropertyComparer:IComparer<EscherProperty>
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{
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public int Compare(EscherProperty p1, EscherProperty p2)
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{
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short s1 = p1.PropertyNumber;
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short s2 = p2.PropertyNumber;
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return s1 < s2 ? -1 : s1 == s2 ? 0 : 1;
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}
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}
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/**
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* Records should be sorted by property number before being stored.
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*/
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public void SortProperties()
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{
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properties.Sort(new EscherPropertyComparer());
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}
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/**
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* Retrieve the string representation of this record.
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*/
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public override String ToString()
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{
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String nl = Environment.NewLine;
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StringBuilder stringBuilder = new StringBuilder();
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stringBuilder.Append(GetType().Name);
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stringBuilder.Append(":");
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stringBuilder.Append(nl);
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stringBuilder.Append(" isContainer: ");
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stringBuilder.Append(IsContainerRecord);
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stringBuilder.Append(nl);
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stringBuilder.Append(" options: 0x");
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stringBuilder.Append(HexDump.ToHex(Options));
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stringBuilder.Append(nl);
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stringBuilder.Append(" recordId: 0x");
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stringBuilder.Append(HexDump.ToHex(RecordId));
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stringBuilder.Append(nl);
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stringBuilder.Append(" numchildren: ");
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stringBuilder.Append(ChildRecords.Count);
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stringBuilder.Append(nl);
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stringBuilder.Append(" properties:");
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stringBuilder.Append(nl);
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foreach (EscherProperty property in properties)
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{
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stringBuilder.Append(" " + property.ToString() + nl);
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}
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return stringBuilder.ToString();
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}
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}
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}
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