CodeNamespaceImportCollection.cs :  » 2.6.4-mono-.net-core » System.CodeDom » System » CodeDom » C# / CSharp Open Source

//
// System.CodeDom CodeNamespaceImportCollection Class implementation
//
// Author:
//   Miguel de Icaza (miguel@ximian.com)
//   Daniel Stodden (stodden@in.tum.de)
//
// (C) 2001 Ximian, Inc.
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System.Runtime.InteropServices;
using System.Collections;

namespace System.CodeDom{
  /*
   * Should probably be derived from CollectionBase like any
   * other System.CodeDom.*Collection. MS docs say it currently
   * is not, for whichever reason.
   */
  [Serializable]
  [ClassInterface(ClassInterfaceType.AutoDispatch)]
  [ComVisible(true)]
  public class CodeNamespaceImportCollection
    : IList, ICollection, IEnumerable
  {
    private Hashtable keys;
    private ArrayList data;

    //
    // Constructors
    //
    public CodeNamespaceImportCollection ()
    {
      data = new ArrayList ();
      keys = new Hashtable (CaseInsensitiveHashCodeProvider.Default, CaseInsensitiveComparer.Default);
    }

    //
    // Properties
    //
    int ICollection.Count {
      get {
        return data.Count;
      }
    }
    
    public int Count {
      get {
        return data.Count;
      }
    }

    public CodeNamespaceImport this [int index] {
      get {
        return (CodeNamespaceImport)data[index];
      }
      set {
        CodeNamespaceImport oldImport = (CodeNamespaceImport) data [index];
        CodeNamespaceImport newImport = (CodeNamespaceImport) value;
        keys.Remove (oldImport.Namespace);
        data[index] = value;
        keys [newImport.Namespace] = newImport;
      }
    }

    //
    // Methods
    //
    public void Add (CodeNamespaceImport value)
    {
      if (value == null) {
        throw new NullReferenceException ();
      }

      if (!keys.ContainsKey (value.Namespace)) {
        keys [value.Namespace] = value;
        data.Add (value);
      }
    }

    public void AddRange (CodeNamespaceImport [] value)
    {
      if (value == null) {
        throw new ArgumentNullException ("value");
      }

      foreach (CodeNamespaceImport elem in value) {
        Add (elem);
      }
    }

    void IList.Clear ()
    {
      Clear ();
    }
    
    public void Clear ()
    {
      data.Clear ();
      keys.Clear ();
    }

    // IList implementation
    bool IList.IsFixedSize {
      get {
        return false;
      }
    }

    bool IList.IsReadOnly {
      get {
        return false;
      }
    }

    object IList.this[int index] {
      get {
        return data[index];
      }
      set {
        this [index] = (CodeNamespaceImport) value;
      }
    }

    int IList.Add( object value )
    {
      Add ((CodeNamespaceImport) value);
      return data.Count - 1;
    }
    
    bool IList.Contains( object value )
    {
      return data.Contains( value );
    }
    
    int IList.IndexOf( object value )
    {
      return data.IndexOf( value );
    }

    void IList.Insert( int index, object value )
    {
      data.Insert( index, value );
      CodeNamespaceImport import = (CodeNamespaceImport) value;
      keys [import.Namespace] = import;
    }

    void IList.Remove( object value )
    {
      string ns = ((CodeNamespaceImport)value).Namespace;
      data.Remove( value );
      foreach (CodeNamespaceImport import in data) {
        if (import.Namespace == ns) {
          keys [ns] = import;
          return;
        }
      }
      keys.Remove (ns);
    }
    
    void IList.RemoveAt( int index )
    {
      string ns = this [index].Namespace;
      data.RemoveAt( index );
      foreach (CodeNamespaceImport import in data) {
        if (import.Namespace == ns) {
          keys [ns] = import;
          return;
        }
      }
      keys.Remove (ns);
    }

    // ICollection implementation
    object ICollection.SyncRoot {
      get {
        return null;
      }
    }

    bool ICollection.IsSynchronized {
      get {
        return data.IsSynchronized;
      }
    }

    void ICollection.CopyTo( Array array, int index )
    {
      data.CopyTo( array, index );
    }

    // IEnumerable implementation
    IEnumerator IEnumerable.GetEnumerator ()
    {
      return data.GetEnumerator();
    }
    
    // IEnumerable implementation
    public IEnumerator GetEnumerator ()
    {
      return data.GetEnumerator();
    }
  }
}