//
// Private helpers
//
private void Reset()
{
_entriesArray = new ArrayList();
_entriesTable = new Hashtable(_keyComparer);
_nullKeyEntry = null;
_version++;
}
private void Reset(int capacity)
{
_entriesArray = new ArrayList(capacity);
_entriesTable = new Hashtable(capacity, _keyComparer);
_nullKeyEntry = null;
_version++;
}
protected void BaseAdd(string name, object value)
{
if (this._readOnly)
{
throw new NotSupportedException(SR.GetString("CollectionReadOnly"));
}
NameObjectEntry entry = new NameObjectEntry(name, value);
if (name != null)
{
if (this._entriesTable[name] == null)
{
this._entriesTable.Add(name, entry);
}
}
else if (this._nullKeyEntry == null)
{
this._nullKeyEntry = entry;
}
this._entriesArray.Add(entry);
this._version++;
}
/// <devdoc>
/// <para> Removes the entry at the specified index of the
/// <see cref='System.Collections.Specialized.NameObjectCollectionBase'/> instance.</para>
/// </devdoc>
protected void BaseRemoveAt(int index)
{
if (_readOnly)
throw new NotSupportedException(SR.CollectionReadOnly);
String key = BaseGetKey(index);
if (key != null)
{
// remove from hashtable
_entriesTable.Remove(key);
}
else
{ // null key -- special case
// null out special 'null key' entry
_nullKeyEntry = null;
}
// remove from array
_entriesArray.RemoveAt(index);
_version++;
}
/// <devdoc>
/// <para>Removes the entries with the specified key from the
/// <see cref='System.Collections.Specialized.NameObjectCollectionBase'/> instance.</para>
/// </devdoc>
protected void BaseRemove(String name)
{
if (_readOnly)
throw new NotSupportedException(SR.CollectionReadOnly);
if (name != null)
{
// remove from hashtable
_entriesTable.Remove(name);
// remove from array
for (int i = _entriesArray.Count - 1; i >= 0; i--)
{
if (_keyComparer.Equals(name, BaseGetKey(i)))
_entriesArray.RemoveAt(i);
}
}
else
{ // null key -- special case
// null out special 'null key' entry
_nullKeyEntry = null;
// remove from array
for (int i = _entriesArray.Count - 1; i >= 0; i--)
{
if (BaseGetKey(i) == null)
_entriesArray.RemoveAt(i);
}
}
_version++;
}
//
// Methods to add / remove entries
//
/// <devdoc>
/// <para>Adds an entry with the specified key and value into the
/// <see cref='System.Collections.Specialized.NameObjectCollectionBase'/> instance.</para>
/// </devdoc>
protected void BaseAdd(String name, Object value)
{
if (_readOnly)
throw new NotSupportedException(SR.CollectionReadOnly);
NameObjectEntry entry = new NameObjectEntry(name, value);
// insert entry into hashtable
if (name != null)
{
if (_entriesTable[name] == null)
_entriesTable.Add(name, entry);
}
else
{ // null key -- special case -- hashtable doesn't like null keys
if (_nullKeyEntry == null)
_nullKeyEntry = entry;
}
// add entry to the list
_entriesArray.Add(entry);
_version++;
}
//
// Access by index
//
/// <include file='doc\NameObjectCollectionBase.uex' path='docs/doc[@for="NameObjectCollectionBase.BaseGet1"]/*' />
/// <devdoc>
/// <para>Gets the value of the entry at the specified index of
/// the <see cref='System.Collections.Specialized.NameObjectCollectionBase'/> instance.</para>
/// </devdoc>
protected Object BaseGet(int index)
{
NameObjectEntry entry = (NameObjectEntry)_entriesArray[index];
return(entry.Value);
}
//
// Access by name
//
/// <include file='doc\NameObjectCollectionBase.uex' path='docs/doc[@for="NameObjectCollectionBase.BaseGet"]/*' />
/// <devdoc>
/// <para>Gets the value of the first entry with the specified key from
/// the <see cref='System.Collections.Specialized.NameObjectCollectionBase'/> instance.</para>
/// </devdoc>
protected Object BaseGet(String name)
{
NameObjectEntry e = FindEntry(name);
return((e != null) ? e.Value : null);
}
/// <devdoc>
/// <para>Gets the key of the entry at the specified index of the
/// <see cref='System.Collections.Specialized.NameObjectCollectionBase'/>
/// instance.</para>
/// </devdoc>
protected String BaseGetKey(int index)
{
NameObjectEntry entry = (NameObjectEntry)_entriesArray[index];
return(entry.Key);
}
//
// Access by index
//
/// <devdoc>
/// <para>Gets the value of the entry at the specified index of
/// the <see cref='System.Collections.Specialized.NameObjectCollectionBase'/> instance.</para>
/// </devdoc>
protected object?BaseGet(int index)
{
NameObjectEntry entry = (NameObjectEntry)_entriesArray[index] !; // no null entry added to the array
return(entry.Value);
}
private void Reset()
{
this._entriesArray = new ArrayList();
this._entriesTable = new Hashtable(this._keyComparer);
this._nullKeyEntry = null;
this._version++;
}
protected void BaseRemoveAt(int index)
{
if (this._readOnly)
{
throw new NotSupportedException(SR.GetString("CollectionReadOnly"));
}
string key = this.BaseGetKey(index);
if (key != null)
{
this._entriesTable.Remove(key);
}
else
{
this._nullKeyEntry = null;
}
this._entriesArray.RemoveAt(index);
this._version++;
}
protected void BaseRemove(string name)
{
if (this._readOnly)
{
throw new NotSupportedException(SR.GetString("CollectionReadOnly"));
}
if (name != null)
{
this._entriesTable.Remove(name);
for (int i = this._entriesArray.Count - 1; i >= 0; i--)
{
if (this._keyComparer.Equals(name, this.BaseGetKey(i)))
{
this._entriesArray.RemoveAt(i);
}
}
}
else
{
this._nullKeyEntry = null;
for (int j = this._entriesArray.Count - 1; j >= 0; j--)
{
if (this.BaseGetKey(j) == null)
{
this._entriesArray.RemoveAt(j);
}
}
}
this._version++;
}
