/* ==================================================================== 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.Collections; using System.Collections.Generic; using System.IO; using HH.WMS.Utils.NPOI.POIFS.FileSystem; using HH.WMS.Utils.NPOI.POIFS.Storage; namespace HH.WMS.Utils.NPOI.POIFS.Properties { public abstract class PropertyTableBase : BATManaged { protected HeaderBlock _header_block; protected List _properties; public PropertyTableBase(HeaderBlock header_block) { _header_block = header_block; _properties = new List(); AddProperty(new RootProperty()); } public PropertyTableBase(HeaderBlock header_block, List properties) { _header_block = header_block; _properties = properties; PopulatePropertyTree((DirectoryProperty)_properties[0]); } public void AddProperty(Property property) { _properties.Add(property); } public void RemoveProperty(Property property) { _properties.Remove(property); } public RootProperty Root { get { return (RootProperty)(_properties[0]); } } protected void PopulatePropertyTree(DirectoryProperty root) { try { int index = root.ChildIndex; if (!Property.IsValidIndex(index)) return; Stack children = new Stack(); children.Push(_properties[index]); while (children.Count != 0) { Property property = children.Pop(); root.AddChild(property); if (property.IsDirectory) { PopulatePropertyTree((DirectoryProperty)property); } index = property.PreviousChildIndex; if (Property.IsValidIndex(index)) { children.Push(_properties[index]); } index = property.NextChildIndex; if (Property.IsValidIndex(index)) { children.Push(_properties[index]); } } } catch (IOException ex) { throw ex; } } #region BATManaged Members public virtual int StartBlock { get { return _header_block.PropertyStart; } set { _header_block.PropertyStart = value; } } public virtual int CountBlocks { get { throw new NotImplementedException(); } } #endregion } }