diff options
Diffstat (limited to 'mcs/class/System/System.Collections.Specialized/NameObjectCollectionBase.cs')
| -rw-r--r-- | mcs/class/System/System.Collections.Specialized/NameObjectCollectionBase.cs | 512 |
1 files changed, 0 insertions, 512 deletions
diff --git a/mcs/class/System/System.Collections.Specialized/NameObjectCollectionBase.cs b/mcs/class/System/System.Collections.Specialized/NameObjectCollectionBase.cs deleted file mode 100644 index b1dfeb76106..00000000000 --- a/mcs/class/System/System.Collections.Specialized/NameObjectCollectionBase.cs +++ /dev/null @@ -1,512 +0,0 @@ -/**
- * System.Collections.Specialized.NamaValueCollection class implementation
- *
- * Author: Gleb Novodran
- */
-
-using System;
-using System.Collections;
-using System.Runtime.Serialization;
-
-namespace System.Collections.Specialized
-{
- [Serializable]
- public abstract class NameObjectCollectionBase : ICollection, IEnumerable, ISerializable, IDeserializationCallback
- {
- private Hashtable m_ItemsContainer;
- /// <summary>
- /// Extends Hashtable based Items container to support storing null-key pairs
- /// </summary>
- private _Item m_NullKeyItem;
- private ArrayList m_ItemsArray;
- private IHashCodeProvider m_hashprovider;
- private IComparer m_comparer;
- private int m_defCapacity;
- private bool m_readonly;
-
- internal IComparer Comparer {
- get {return m_comparer;}
- }
-
- internal IHashCodeProvider HashCodeProvider {
- get {return m_hashprovider;}
- }
-
- internal protected /*?*/ class _Item
- {
- public string key;
- public object value;
- public _Item(string key, object value)
- {
- this.key = key;
- this.value = value;
- }
- }
- /// <summary>
- /// Implements IEnumerable interface for KeysCollection
- /// </summary>
- [Serializable]
- internal protected /*?*/ class _KeysEnumerator : IEnumerator
- {
- private NameObjectCollectionBase m_collection;
- private int m_position;
- /*private*/internal _KeysEnumerator(NameObjectCollectionBase collection)
- {
- m_collection = collection;
- Reset();
- }
- public object Current
- {
-
- get{
- if ((m_position<m_collection.Count)||(m_position<0))
- return m_collection.BaseGetKey(m_position);
- else
- throw new InvalidOperationException();
- }
-
- }
- public bool MoveNext()
- {
- return ((++m_position)<m_collection.Count)?true:false;
- }
- public void Reset()
- {
- m_position = -1;
- }
- }
-
- /// <summary>
- /// SDK: Represents a collection of the String keys of a collection.
- /// </summary>
- public class KeysCollection : ICollection, IEnumerable
- {
- private NameObjectCollectionBase m_collection;
-
- internal/*protected?*/ KeysCollection(NameObjectCollectionBase collection)
- {
- this.m_collection = collection;
- }
- public virtual string Get( int index )
- {
- return m_collection.BaseGetKey(index);
- //throw new Exception("Not implemented yet");
- }
-
- // ICollection methods -----------------------------------
- /// <summary>
- ///
- /// </summary>
- /// <param name="arr"></param>
- /// <param name="index"></param>
- public virtual void /*ICollection*/ CopyTo(Array arr, int index)
- {
- if (arr==null)
- throw new ArgumentNullException("array can't be null");
- IEnumerator en = this.GetEnumerator();
- int i = index;
- while (en.MoveNext())
- {
- arr.SetValue(en.Current,i);
- i++;
- }
- }
-
- public virtual bool IsSynchronized
- {
- get{
- throw new Exception("Not implemented yet");
- }
- }
- public virtual object SyncRoot
- {
- get{
- throw new Exception("Not implemented yet");
- }
- }
- /// <summary>
- /// Gets the number of keys in the NameObjectCollectionBase.KeysCollection
- /// </summary>
- public int Count
- {
- get{
- return m_collection.Count;
- //throw new Exception("Not implemented yet");
- }
- }
- // IEnumerable methods --------------------------------
- /// <summary>
- /// SDK: Returns an enumerator that can iterate through the NameObjectCollectionBase.KeysCollection.
- /// </summary>
- /// <returns></returns>
- public IEnumerator GetEnumerator()
- {
- return new _KeysEnumerator(m_collection);
-// throw new Exception("Not implemented yet");
- }
- }
-
-
-
- //--------------- Protected Instance Constructors --------------
-
- /// <summary>
- /// SDK: Initializes a new instance of the NameObjectCollectionBase class that is empty.
- /// </summary>
- [MonoTODO]
- protected NameObjectCollectionBase():base()
- {
- m_readonly = false;
-
- m_hashprovider = CaseInsensitiveHashCodeProvider.Default;
- m_comparer = CaseInsensitiveComparer.Default;
- m_defCapacity = 0;
- Init();
- /*m_ItemsContainer = new Hashtable(m_hashprovider,m_comparer);
- m_ItemsArray = new ArrayList();
- m_NullKeyItem = null;*/
- //TODO: consider common Reset() method
- }
-
- protected NameObjectCollectionBase( int capacity )
- {
- m_readonly = false;
-
- m_hashprovider = CaseInsensitiveHashCodeProvider.Default;
- m_comparer = CaseInsensitiveComparer.Default;
- m_defCapacity = capacity;
- Init();
- /*m_ItemsContainer = new Hashtable(m_defCapacity, m_hashprovider,m_comparer);
- m_ItemsArray = new ArrayList();
- m_NullKeyItem = null; */
- //throw new Exception("Not implemented yet");
- }
- protected NameObjectCollectionBase( IHashCodeProvider hashProvider, IComparer comparer )
- {
- m_readonly = false;
-
- m_hashprovider = hashProvider;
- m_comparer = comparer;
- m_defCapacity = 0;
- Init();
- /*m_ItemsContainer = new Hashtable(m_hashprovider,m_comparer);
- m_ItemsArray = new ArrayList();
- m_NullKeyItem = null; */
- //throw new Exception("Not implemented yet");
- }
- protected NameObjectCollectionBase( SerializationInfo info, StreamingContext context )
- {
- throw new Exception("Not implemented yet");
- }
- protected NameObjectCollectionBase( int capacity, IHashCodeProvider hashProvider, IComparer comparer )
- {
- m_readonly = false;
-
- m_hashprovider = hashProvider;
- m_comparer = comparer;
- m_defCapacity = capacity;
- Init();
- /*m_ItemsContainer = new Hashtable(m_defCapacity,m_hashprovider,m_comparer);
- m_ItemsArray = new ArrayList();
- m_NullKeyItem = null; */
-
- //throw new Exception("Not implemented yet");
- }
-
- private void Init(){
- m_ItemsContainer = new Hashtable(m_defCapacity,m_hashprovider,m_comparer);
- m_ItemsArray = new ArrayList();
- m_NullKeyItem = null;
- }
- //--------------- Public Instance Properties -------------------
- public virtual NameObjectCollectionBase.KeysCollection Keys
- {
- get
- {
- return new KeysCollection(this);
- //throw new Exception("Not implemented yet");
- }
- }
-
- //--------------- Public Instance Methods ----------------------
- //
- /// <summary>
- /// SDK: Returns an enumerator that can iterate through the NameObjectCollectionBase.
- ///
- /// <remark>This enumerator returns the keys of the collection as strings.</remark>
- /// </summary>
- /// <returns></returns>
- public IEnumerator GetEnumerator()
- {
- return new _KeysEnumerator(this);
- }
- // GetHashCode
-
- // ISerializable
- public virtual void /*ISerializable*/ GetObjectData( SerializationInfo info, StreamingContext context )
- {
- throw new Exception("Not implemented yet");
- }
-
- // ICollection
- public virtual int Count
- {
- get{
- return m_ItemsArray.Count;
- //throw new Exception("Not implemented yet");
- }
- }
- bool ICollection.IsSynchronized
- {
- get { return false; }
- }
- object ICollection.SyncRoot
- {
- get { return this; }
- }
-
- void ICollection.CopyTo (Array array, int index)
- {
- throw new NotImplementedException ();
- }
-
-
- // IDeserializationCallback
- public virtual void OnDeserialization( object sender)
- {
- throw new Exception("Not implemented yet");
- }
-
- //--------------- Protected Instance Properties ----------------
- /// <summary>
- /// SDK: Gets or sets a value indicating whether the NameObjectCollectionBase instance is read-only.
- /// </summary>
- protected bool IsReadOnly
- {
- get{
- return m_readonly;
- }
- set{
- m_readonly=value;
- }
- }
-
- //--------------- Protected Instance Methods -------------------
- /// <summary>
- /// Adds an Item with the specified key and value into the <see cref="NameObjectCollectionBase"/>NameObjectCollectionBase instance.
- /// </summary>
- /// <param name="name"></param>
- /// <param name="value"></param>
- protected void BaseAdd( string name, object value )
- {
- if (this.IsReadOnly)
- throw new NotSupportedException("Collection is read-only");
-
- _Item newitem=new _Item(name, value);
-
- if (name==null){
- //todo: consider nullkey entry
- if (m_NullKeyItem==null)
- m_NullKeyItem = newitem;
- }
- else
- if (m_ItemsContainer[name]==null){
- m_ItemsContainer.Add(name,newitem);
- }
- m_ItemsArray.Add(newitem);
-
-// throw new Exception("Not implemented yet");
- }
- protected void BaseClear()
- {
- if (this.IsReadOnly)
- throw new NotSupportedException("Collection is read-only");
- Init();
- //throw new Exception("Not implemented yet");
- }
- /// <summary>
- /// SDK: Gets the value of the entry at the specified index of the NameObjectCollectionBase instance.
- /// </summary>
- /// <param name="index"></param>
- /// <returns></returns>
- protected object BaseGet( int index )
- {
- return ((_Item)m_ItemsArray[index]).value;
- //throw new Exception("Not implemented yet");
- }
- /// <summary>
- /// SDK: Gets the value of the first entry with the specified key from the NameObjectCollectionBase instance.
- /// </summary>
- /// <remark>CAUTION: The BaseGet method does not distinguish between a null reference which is returned because the specified key is not found and a null reference which is returned because the value associated with the key is a null reference.</remark>
- /// <param name="name"></param>
- /// <returns></returns>
- protected object BaseGet( string name )
- {
- _Item item = FindFirstMatchedItem(name);
- /// CAUTION: The BaseGet method does not distinguish between a null reference which is returned because the specified key is not found and a null reference which is returned because the value associated with the key is a null reference.
- if (item==null)
- return null;
- else
- return item.value;
- }
-
- /// <summary>
- /// SDK:Returns a String array that contains all the keys in the NameObjectCollectionBase instance.
- /// </summary>
- /// <returns>A String array that contains all the keys in the NameObjectCollectionBase instance.</returns>
- protected string[] BaseGetAllKeys()
- {
- int cnt = m_ItemsArray.Count;
- string[] allKeys = new string[cnt];
- for(int i=0; i<cnt; i++)
- allKeys[i] = BaseGetKey(i);//((_Item)m_ItemsArray[i]).key;
-
- return allKeys;
- }
-
- /// <summary>
- /// SDK: Returns an Object array that contains all the values in the NameObjectCollectionBase instance.
- /// </summary>
- /// <returns>An Object array that contains all the values in the NameObjectCollectionBase instance.</returns>
- protected object[] BaseGetAllValues()
- {
- int cnt = m_ItemsArray.Count;
- object[] allValues = new object[cnt];
- for(int i=0; i<cnt; i++)
- allValues[i] = BaseGet(i);
-
- return allValues;
-// throw new Exception("Not implemented yet");
- }
- [MonoTODO]
- protected object[] BaseGetAllValues( Type type )
- {
- if (type == null)
- throw new ArgumentNullException("'type' argument can't be null");
- // TODO: implements this
-
- throw new Exception("Not implemented yet");
- }
-
- protected string BaseGetKey( int index )
- {
- return ((_Item)m_ItemsArray[index]).key;
- //throw new Exception("Not implemented yet");
- }
- /// <summary>
- /// Gets a value indicating whether the NameObjectCollectionBase instance contains entries whose keys are not a null reference
- /// </summary>
- /// <returns>true if the NameObjectCollectionBase instance contains entries whose keys are not a null reference otherwise, false.</returns>
- protected bool BaseHasKeys()
- {
- return (m_ItemsContainer.Count>0);
-// throw new Exception("Not implemented yet");
- }
- /// <summary>
- ///
- /// </summary>
- /// <param name="name"></param>
- [MonoTODO]
- protected void BaseRemove( string name )
- {
- int cnt = 0;
- String key;
- if (this.IsReadOnly)
- throw new NotSupportedException("Collection is read-only");
- if (name!=null)
- {
- m_ItemsContainer.Remove(name);
- }
- else {
- m_NullKeyItem = null;
- }
-
- cnt = m_ItemsArray.Count;
- for (int i=0 ; i< cnt; ){
- key=BaseGetKey(i);
- // TODO: consider case-sensivity
- if (String.Compare(key,name)==0){
- m_ItemsArray.RemoveAt(i);
- cnt--;
- }
- else
- i++;
-
- }
-// throw new Exception("Not implemented yet");
- }
- /// <summary>
- ///
- /// </summary>
- /// <param name="index"></param>
- /// <LAME>This function implemented the way Microsoft implemented it -
- /// item is removed from hashtable and array without considering the case when there are two items with the same key but different values in array.
- /// E.g. if
- /// hashtable is [("Key1","value1")] and array contains [("Key1","value1")("Key1","value2")] then
- /// after RemoveAt(1) the collection will be in following state:
- /// hashtable:[]
- /// array: [("Key1","value1")]
- /// It's ok only then the key is uniquely assosiated with the value
- /// To fix it a comparsion of objects stored under the same key in the hashtable and in the arraylist should be added
- /// </LAME>>
- [MonoTODO]
- protected void BaseRemoveAt( int index )
- {
- if (this.IsReadOnly)
- throw new NotSupportedException("Collection is read-only");
- string key = BaseGetKey(index);
- if (key!=null){
- // TODO: see LAME description above
- m_ItemsContainer.Remove(key);
- }
- else
- m_NullKeyItem = null;
- m_ItemsArray.RemoveAt(index);
-// throw new Exception("Not implemented yet");
- }
- /// <summary>
- /// SDK: Sets the value of the entry at the specified index of the NameObjectCollectionBase instance.
- /// </summary>
- /// <param name="index"></param>
- /// <param name="value"></param>
- protected void BaseSet( int index, object value )
- {
- if (this.IsReadOnly)
- throw new NotSupportedException("Collection is read-only");
- _Item item = (_Item)m_ItemsArray[index];
- item.value = value;
- //throw new Exception("Not implemented yet");
- }
- /// <summary>
- /// Sets the value of the first entry with the specified key in the NameObjectCollectionBase instance, if found; otherwise, adds an entry with the specified key and value into the NameObjectCollectionBase instance.
- /// </summary>
- /// <param name="name">The String key of the entry to set. The key can be a null reference </param>
- /// <param name="value">The Object that represents the new value of the entry to set. The value can be a null reference</param>
- protected void BaseSet( string name, object value )
- {
- if (this.IsReadOnly)
- throw new NotSupportedException("Collection is read-only");
- _Item item = FindFirstMatchedItem(name);
- if (item!=null)
- item.value=value;
- else
- BaseAdd(name, value);
-
- //throw new Exception("Not implemented yet");
- }
- [MonoTODO]
- private _Item FindFirstMatchedItem(string name)
- {
- if (name!=null)
- return (_Item)m_ItemsContainer[name];
- else {
- //TODO: consider null key case
- return m_NullKeyItem;
- //throw new Exception("Not implemented yet");
- }
-
- }
- //~Object();
-
- }
-}
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