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Diffstat (limited to '')
| -rw-r--r-- | NW4RTools/Util/OrderedDictionary.cs | 644 |
1 files changed, 644 insertions, 0 deletions
diff --git a/NW4RTools/Util/OrderedDictionary.cs b/NW4RTools/Util/OrderedDictionary.cs new file mode 100644 index 0000000..3dd4fb4 --- /dev/null +++ b/NW4RTools/Util/OrderedDictionary.cs @@ -0,0 +1,644 @@ +using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+
+// From http://www.codeproject.com/KB/recipes/GenericOrderedDictionary.aspx
+
+namespace NW4RTools.Util
+{
+ /// <summary>
+ /// Represents a generic collection of key/value pairs that are ordered independently of the key and value.
+ /// </summary>
+ /// <typeparam name="TKey">The type of the keys in the dictionary</typeparam>
+ /// <typeparam name="TValue">The type of the values in the dictionary</typeparam>
+ public class OrderedDictionary<TKey, TValue> : IOrderedDictionary<TKey, TValue>
+ {
+ private const int DefaultInitialCapacity = 0;
+
+ private static readonly string _keyTypeName = typeof(TKey).FullName;
+ private static readonly string _valueTypeName = typeof(TValue).FullName;
+ private static readonly bool _valueTypeIsReferenceType = !typeof(ValueType).IsAssignableFrom(typeof(TValue));
+
+ private Dictionary<TKey, TValue> _dictionary;
+ private List<KeyValuePair<TKey, TValue>> _list;
+ private IEqualityComparer<TKey> _comparer;
+ private object _syncRoot;
+ private int _initialCapacity;
+
+ /// <summary>
+ /// Initializes a new instance of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> class.
+ /// </summary>
+ public OrderedDictionary()
+ : this(DefaultInitialCapacity, null)
+ {
+ }
+
+ /// <summary>
+ /// Initializes a new instance of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> class using the specified initial capacity.
+ /// </summary>
+ /// <param name="capacity">The initial number of elements that the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> can contain.</param>
+ /// <exception cref="ArgumentOutOfRangeException"><paramref name="capacity"/> is less than 0</exception>
+ public OrderedDictionary(int capacity)
+ : this(capacity, null)
+ {
+ }
+
+ /// <summary>
+ /// Initializes a new instance of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> class using the specified comparer.
+ /// </summary>
+ /// <param name="comparer">The <see cref="IEqualityComparer{TKey}">IEqualityComparer<TKey></see> to use when comparing keys, or <null/> to use the default <see cref="EqualityComparer{TKey}">EqualityComparer<TKey></see> for the type of the key.</param>
+ public OrderedDictionary(IEqualityComparer<TKey> comparer)
+ : this(DefaultInitialCapacity, comparer)
+ {
+ }
+
+ /// <summary>
+ /// Initializes a new instance of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> class using the specified initial capacity and comparer.
+ /// </summary>
+ /// <param name="capacity">The initial number of elements that the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection can contain.</param>
+ /// <param name="comparer">The <see cref="IEqualityComparer{TKey}">IEqualityComparer<TKey></see> to use when comparing keys, or <null/> to use the default <see cref="EqualityComparer{TKey}">EqualityComparer<TKey></see> for the type of the key.</param>
+ /// <exception cref="ArgumentOutOfRangeException"><paramref name="capacity"/> is less than 0</exception>
+ public OrderedDictionary(int capacity, IEqualityComparer<TKey> comparer)
+ {
+ if(0 > capacity)
+ throw new ArgumentOutOfRangeException("capacity", "'capacity' must be non-negative");
+
+ _initialCapacity = capacity;
+ _comparer = comparer;
+ }
+
+ /// <summary>
+ /// Converts the object passed as a key to the key type of the dictionary
+ /// </summary>
+ /// <param name="keyObject">The key object to check</param>
+ /// <returns>The key object, cast as the key type of the dictionary</returns>
+ /// <exception cref="ArgumentNullException"><paramref name="keyObject"/> is <null/>.</exception>
+ /// <exception cref="ArgumentException">The key type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is not in the inheritance hierarchy of <paramref name="keyObject"/>.</exception>
+ private static TKey ConvertToKeyType(object keyObject)
+ {
+ if(null == keyObject)
+ {
+ throw new ArgumentNullException("key");
+ }
+ else
+ {
+ if(keyObject is TKey)
+ return (TKey)keyObject;
+ }
+ throw new ArgumentException("'key' must be of type " + _keyTypeName, "key");
+ }
+
+ /// <summary>
+ /// Converts the object passed as a value to the value type of the dictionary
+ /// </summary>
+ /// <param name="value">The object to convert to the value type of the dictionary</param>
+ /// <returns>The value object, converted to the value type of the dictionary</returns>
+ /// <exception cref="ArgumentNullException"><paramref name="valueObject"/> is <null/>, and the value type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is a value type.</exception>
+ /// <exception cref="ArgumentException">The value type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is not in the inheritance hierarchy of <paramref name="valueObject"/>.</exception>
+ private static TValue ConvertToValueType(object value)
+ {
+ if(null == value)
+ {
+ if(_valueTypeIsReferenceType)
+ return default(TValue);
+ else
+ throw new ArgumentNullException("value");
+ }
+ else
+ {
+ if(value is TValue)
+ return (TValue)value;
+ }
+ throw new ArgumentException("'value' must be of type " + _valueTypeName, "value");
+ }
+
+ /// <summary>
+ /// Gets the dictionary object that stores the keys and values
+ /// </summary>
+ /// <value>The dictionary object that stores the keys and values for the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see></value>
+ /// <remarks>Accessing this property will create the dictionary object if necessary</remarks>
+ private Dictionary<TKey, TValue> Dictionary
+ {
+ get
+ {
+ if(null == _dictionary)
+ {
+ _dictionary = new Dictionary<TKey, TValue>(_initialCapacity, _comparer);
+ }
+ return _dictionary;
+ }
+ }
+
+ /// <summary>
+ /// Gets the list object that stores the key/value pairs.
+ /// </summary>
+ /// <value>The list object that stores the key/value pairs for the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see></value>
+ /// <remarks>Accessing this property will create the list object if necessary.</remarks>
+ private List<KeyValuePair<TKey, TValue>> List
+ {
+ get
+ {
+ if(null == _list)
+ {
+ _list = new List<KeyValuePair<TKey, TValue>>(_initialCapacity);
+ }
+ return _list;
+ }
+ }
+
+ IDictionaryEnumerator IOrderedDictionary.GetEnumerator()
+ {
+ return Dictionary.GetEnumerator();
+ }
+
+ IDictionaryEnumerator IDictionary.GetEnumerator()
+ {
+ return Dictionary.GetEnumerator();
+ }
+
+ IEnumerator IEnumerable.GetEnumerator()
+ {
+ return List.GetEnumerator();
+ }
+
+ IEnumerator<KeyValuePair<TKey, TValue>> IEnumerable<KeyValuePair<TKey,TValue>>.GetEnumerator()
+ {
+ return List.GetEnumerator();
+ }
+
+ /// <summary>
+ /// Inserts a new entry into the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection with the specified key and value at the specified index.
+ /// </summary>
+ /// <param name="index">The zero-based index at which the element should be inserted.</param>
+ /// <param name="key">The key of the entry to add.</param>
+ /// <param name="value">The value of the entry to add. The value can be <null/> if the type of the values in the dictionary is a reference type.</param>
+ /// <exception cref="ArgumentOutOfRangeException"><paramref name="index"/> is less than 0.<br/>
+ /// -or-<br/>
+ /// <paramref name="index"/> is greater than <see cref="Count"/>.</exception>
+ /// <exception cref="ArgumentNullException"><paramref name="key"/> is <null/>.</exception>
+ /// <exception cref="ArgumentException">An element with the same key already exists in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.</exception>
+ public void Insert(int index, TKey key, TValue value)
+ {
+ if(index > Count || index < 0)
+ throw new ArgumentOutOfRangeException("index");
+
+ Dictionary.Add(key, value);
+ List.Insert(index, new KeyValuePair<TKey, TValue>(key, value));
+ }
+
+ /// <summary>
+ /// Inserts a new entry into the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection with the specified key and value at the specified index.
+ /// </summary>
+ /// <param name="index">The zero-based index at which the element should be inserted.</param>
+ /// <param name="key">The key of the entry to add.</param>
+ /// <param name="value">The value of the entry to add. The value can be <null/> if the type of the values in the dictionary is a reference type.</param>
+ /// <exception cref="ArgumentOutOfRangeException"><paramref name="index"/> is less than 0.<br/>
+ /// -or-<br/>
+ /// <paramref name="index"/> is greater than <see cref="Count"/>.</exception>
+ /// <exception cref="ArgumentNullException"><paramref name="key"/> is <null/>.<br/>
+ /// -or-<br/>
+ /// <paramref name="value"/> is <null/>, and the value type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is a value type.</exception>
+ /// <exception cref="ArgumentException">The key type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is not in the inheritance hierarchy of <paramref name="key"/>.<br/>
+ /// -or-<br/>
+ /// The value type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is not in the inheritance hierarchy of <paramref name="value"/>.<br/>
+ /// -or-<br/>
+ /// An element with the same key already exists in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.</exception>
+ void IOrderedDictionary.Insert(int index, object key, object value)
+ {
+ Insert(index, ConvertToKeyType(key), ConvertToValueType(value));
+ }
+
+ /// <summary>
+ /// Removes the entry at the specified index from the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection.
+ /// </summary>
+ /// <param name="index">The zero-based index of the entry to remove.</param>
+ /// <exception cref="ArgumentOutOfRangeException"><paramref name="index"/> is less than 0.<br/>
+ /// -or-<br/>
+ /// index is equal to or greater than <see cref="Count"/>.</exception>
+ public void RemoveAt(int index)
+ {
+ if(index >= Count || index < 0)
+ throw new ArgumentOutOfRangeException("index", "'index' must be non-negative and less than the size of the collection");
+
+ TKey key = List[index].Key;
+
+ List.RemoveAt(index);
+ Dictionary.Remove(key);
+ }
+
+ /// <summary>
+ /// Gets or sets the value at the specified index.
+ /// </summary>
+ /// <param name="index">The zero-based index of the value to get or set.</param>
+ /// <value>The value of the item at the specified index.</value>
+ /// <exception cref="ArgumentOutOfRangeException"><paramref name="index"/> is less than 0.<br/>
+ /// -or-<br/>
+ /// index is equal to or greater than <see cref="Count"/>.</exception>
+ public TValue this[int index]
+ {
+ get
+ {
+ return List[index].Value;
+ }
+
+ set
+ {
+ if(index >= Count || index < 0)
+ throw new ArgumentOutOfRangeException("index", "'index' must be non-negative and less than the size of the collection");
+
+ TKey key = List[index].Key;
+
+ List[index] = new KeyValuePair<TKey, TValue>(key, value);
+ Dictionary[key] = value;
+ }
+ }
+
+ /// <summary>
+ /// Gets or sets the value at the specified index.
+ /// </summary>
+ /// <param name="index">The zero-based index of the value to get or set.</param>
+ /// <value>The value of the item at the specified index.</value>
+ /// <exception cref="ArgumentOutOfRangeException"><paramref name="index"/> is less than 0.<br/>
+ /// -or-<br/>
+ /// index is equal to or greater than <see cref="Count"/>.</exception>
+ /// <exception cref="ArgumentNullException"><paramref name="valueObject"/> is a null reference, and the value type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is a value type.</exception>
+ /// <exception cref="ArgumentException">The value type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is not in the inheritance hierarchy of <paramref name="valueObject"/>.</exception>
+ object IOrderedDictionary.this[int index]
+ {
+ get
+ {
+ return this[index];
+ }
+
+ set
+ {
+ this[index] = ConvertToValueType(value);
+ }
+ }
+
+ /// <summary>
+ /// Adds an entry with the specified key and value into the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection with the lowest available index.
+ /// </summary>
+ /// <param name="key">The key of the entry to add.</param>
+ /// <param name="value">The value of the entry to add. This value can be <null/>.</param>
+ /// <remarks>A key cannot be <null/>, but a value can be.
+ /// <para>You can also use the <see cref="P:OrderedDictionary{TKey,TValue}.Item(TKey)"/> property to add new elements by setting the value of a key that does not exist in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection; however, if the specified key already exists in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>, setting the <see cref="P:OrderedDictionary{TKey,TValue}.Item(TKey)"/> property overwrites the old value. In contrast, the <see cref="M:Add"/> method does not modify existing elements.</para></remarks>
+ /// <exception cref="ArgumentNullException"><paramref name="key"/> is <null/></exception>
+ /// <exception cref="ArgumentException">An element with the same key already exists in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see></exception>
+ void IDictionary<TKey, TValue>.Add(TKey key, TValue value)
+ {
+ Add(key, value);
+ }
+
+ /// <summary>
+ /// Adds an entry with the specified key and value into the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection with the lowest available index.
+ /// </summary>
+ /// <param name="key">The key of the entry to add.</param>
+ /// <param name="value">The value of the entry to add. This value can be <null/>.</param>
+ /// <returns>The index of the newly added entry</returns>
+ /// <remarks>A key cannot be <null/>, but a value can be.
+ /// <para>You can also use the <see cref="P:OrderedDictionary{TKey,TValue}.Item(TKey)"/> property to add new elements by setting the value of a key that does not exist in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection; however, if the specified key already exists in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>, setting the <see cref="P:OrderedDictionary{TKey,TValue}.Item(TKey)"/> property overwrites the old value. In contrast, the <see cref="M:Add"/> method does not modify existing elements.</para></remarks>
+ /// <exception cref="ArgumentNullException"><paramref name="key"/> is <null/></exception>
+ /// <exception cref="ArgumentException">An element with the same key already exists in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see></exception>
+ public int Add(TKey key, TValue value)
+ {
+ Dictionary.Add(key, value);
+ List.Add(new KeyValuePair<TKey,TValue>(key, value));
+ return Count - 1;
+ }
+
+ /// <summary>
+ /// Adds an entry with the specified key and value into the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection with the lowest available index.
+ /// </summary>
+ /// <param name="key">The key of the entry to add.</param>
+ /// <param name="value">The value of the entry to add. This value can be <null/>.</param>
+ /// <exception cref="ArgumentNullException"><paramref name="key"/> is <null/>.<br/>
+ /// -or-<br/>
+ /// <paramref name="value"/> is <null/>, and the value type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is a value type.</exception>
+ /// <exception cref="ArgumentException">The key type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is not in the inheritance hierarchy of <paramref name="key"/>.<br/>
+ /// -or-<br/>
+ /// The value type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is not in the inheritance hierarchy of <paramref name="value"/>.</exception>
+ void IDictionary.Add(object key, object value)
+ {
+ Add(ConvertToKeyType(key), ConvertToValueType(value));
+ }
+
+ /// <summary>
+ /// Removes all elements from the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection.
+ /// </summary>
+ /// <remarks>The capacity is not changed as a result of calling this method.</remarks>
+ public void Clear()
+ {
+ Dictionary.Clear();
+ List.Clear();
+ }
+
+ /// <summary>
+ /// Determines whether the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection contains a specific key.
+ /// </summary>
+ /// <param name="key">The key to locate in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection.</param>
+ /// <returns><see langword="true"/> if the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection contains an element with the specified key; otherwise, <see langword="false"/>.</returns>
+ /// <exception cref="ArgumentNullException"><paramref name="key"/> is <null/></exception>
+ public bool ContainsKey(TKey key)
+ {
+ return Dictionary.ContainsKey(key);
+ }
+ /// <summary>
+ /// Determines whether the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection contains a specific key.
+ /// </summary>
+ /// <param name="key">The key to locate in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection.</param>
+ /// <returns><see langword="true"/> if the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection contains an element with the specified key; otherwise, <see langword="false"/>.</returns>
+ /// <exception cref="ArgumentNullException"><paramref name="key"/> is <null/></exception>
+ /// <exception cref="ArgumentException">The key type of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is not in the inheritance hierarchy of <paramref name="key"/>.</exception>
+ bool IDictionary.Contains(object key)
+ {
+ return ContainsKey(ConvertToKeyType(key));
+ }
+
+ /// <summary>
+ /// Gets a value indicating whether the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> has a fixed size.
+ /// </summary>
+ /// <value><see langword="true"/> if the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> has a fixed size; otherwise, <see langword="false"/>. The default is <see langword="false"/>.</value>
+ bool IDictionary.IsFixedSize
+ {
+ get
+ {
+ return false;
+ }
+ }
+
+ /// <summary>
+ /// Gets a value indicating whether the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection is read-only.
+ /// </summary>
+ /// <value><see langword="true"/> if the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> is read-only; otherwise, <see langword="false"/>. The default is <see langword="false"/>.</value>
+ /// <remarks>
+ /// A collection that is read-only does not allow the addition, removal, or modification of elements after the collection is created.
+ /// <para>A collection that is read-only is simply a collection with a wrapper that prevents modification of the collection; therefore, if changes are made to the underlying collection, the read-only collection reflects those changes.</para>
+ /// </remarks>
+ public bool IsReadOnly
+ {
+ get
+ {
+ return false;
+ }
+ }
+
+ /// <summary>
+ /// Gets an <see cref="ICollection"/> object containing the keys in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.
+ /// </summary>
+ /// <value>An <see cref="ICollection"/> object containing the keys in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.</value>
+ /// <remarks>The returned <see cref="ICollection"/> object is not a static copy; instead, the collection refers back to the keys in the original <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>. Therefore, changes to the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> continue to be reflected in the key collection.</remarks>
+ ICollection IDictionary.Keys
+ {
+ get
+ {
+ return (ICollection)Keys;
+ }
+ }
+
+ /// <summary>
+ /// Returns the zero-based index of the specified key in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>
+ /// </summary>
+ /// <param name="key">The key to locate in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see></param>
+ /// <returns>The zero-based index of <paramref name="key"/>, if <paramref name="ley"/> is found in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>; otherwise, -1</returns>
+ /// <remarks>This method performs a linear search; therefore it has a cost of O(n) at worst.</remarks>
+ public int IndexOfKey(TKey key)
+ {
+ if(null == key)
+ throw new ArgumentNullException("key");
+
+ for(int index = 0; index < List.Count; index++)
+ {
+ KeyValuePair<TKey, TValue> entry = List[index];
+ TKey next = entry.Key;
+ if(null != _comparer)
+ {
+ if(_comparer.Equals(next, key))
+ {
+ return index;
+ }
+ }
+ else if(next.Equals(key))
+ {
+ return index;
+ }
+ }
+
+ return -1;
+ }
+
+ /// <summary>
+ /// Removes the entry with the specified key from the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection.
+ /// </summary>
+ /// <param name="key">The key of the entry to remove</param>
+ /// <returns><see langword="true"/> if the key was found and the corresponding element was removed; otherwise, <see langword="false"/></returns>
+ public bool Remove(TKey key)
+ {
+ if(null == key)
+ throw new ArgumentNullException("key");
+
+ int index = IndexOfKey(key);
+ if(index >= 0)
+ {
+ if(Dictionary.Remove(key))
+ {
+ List.RemoveAt(index);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /// <summary>
+ /// Removes the entry with the specified key from the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection.
+ /// </summary>
+ /// <param name="key">The key of the entry to remove</param>
+ void IDictionary.Remove(object key)
+ {
+ Remove(ConvertToKeyType(key));
+ }
+
+ /// <summary>
+ /// Gets an <see cref="ICollection"/> object containing the values in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection.
+ /// </summary>
+ /// <value>An <see cref="ICollection"/> object containing the values in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection.</value>
+ /// <remarks>The returned <see cref="ICollection"/> object is not a static copy; instead, the <see cref="ICollection"/> refers back to the values in the original <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection. Therefore, changes to the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> continue to be reflected in the <see cref="ICollection"/>.</remarks>
+ ICollection IDictionary.Values
+ {
+ get
+ {
+ return (ICollection)Values;
+ }
+ }
+
+ /// <summary>
+ /// Gets or sets the value with the specified key.
+ /// </summary>
+ /// <param name="key">The key of the value to get or set.</param>
+ /// <value>The value associated with the specified key. If the specified key is not found, attempting to get it returns <null/>, and attempting to set it creates a new element using the specified key.</value>
+ public TValue this[TKey key]
+ {
+ get
+ {
+ return Dictionary[key];
+ }
+ set
+ {
+ if(Dictionary.ContainsKey(key))
+ {
+ Dictionary[key] = value;
+ List[IndexOfKey(key)] = new KeyValuePair<TKey, TValue>(key, value);
+ }
+ else
+ {
+ Add(key, value);
+ }
+ }
+ }
+
+ /// <summary>
+ /// Gets or sets the value with the specified key.
+ /// </summary>
+ /// <param name="key">The key of the value to get or set.</param>
+ /// <value>The value associated with the specified key. If the specified key is not found, attempting to get it returns <null/>, and attempting to set it creates a new element using the specified key.</value>
+ object IDictionary.this[object key]
+ {
+ get
+ {
+ return this[ConvertToKeyType(key)];
+ }
+ set
+ {
+ this[ConvertToKeyType(key)] = ConvertToValueType(value);
+ }
+ }
+
+ /// <summary>
+ /// Copies the elements of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> elements to a one-dimensional Array object at the specified index.
+ /// </summary>
+ /// <param name="array">The one-dimensional <see cref="Array"/> object that is the destination of the <see cref="T:KeyValuePair`2>"/> objects copied from the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>. The <see cref="Array"/> must have zero-based indexing.</param>
+ /// <param name="index">The zero-based index in <paramref name="array"/> at which copying begins.</param>
+ /// <remarks>The <see cref="M:CopyTo"/> method preserves the order of the elements in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see></remarks>
+ void ICollection.CopyTo(Array array, int index)
+ {
+ ((ICollection)List).CopyTo(array, index);
+ }
+
+ /// <summary>
+ /// Gets the number of key/values pairs contained in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection.
+ /// </summary>
+ /// <value>The number of key/value pairs contained in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> collection.</value>
+ public int Count
+ {
+ get
+ {
+ return List.Count;
+ }
+ }
+
+ /// <summary>
+ /// Gets a value indicating whether access to the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> object is synchronized (thread-safe).
+ /// </summary>
+ /// <value>This method always returns false.</value>
+ bool ICollection.IsSynchronized
+ {
+ get
+ {
+ return false;
+ }
+ }
+
+ /// <summary>
+ /// Gets an object that can be used to synchronize access to the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> object.
+ /// </summary>
+ /// <value>An object that can be used to synchronize access to the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> object.</value>
+ object ICollection.SyncRoot
+ {
+ get
+ {
+ if(this._syncRoot == null)
+ {
+ System.Threading.Interlocked.CompareExchange(ref this._syncRoot, new object(), null);
+ }
+ return this._syncRoot;
+ }
+ }
+
+ /// <summary>
+ /// Gets an <see cref="T:System.Collections.Generic.ICollection{TKey}">ICollection<TKey></see> object containing the keys in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.
+ /// </summary>
+ /// <value>An <see cref="T:System.Collections.Generic.ICollection{TKey}">ICollection<TKey></see> object containing the keys in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.</value>
+ /// <remarks>The returned <see cref="T:System.Collections.Generic.ICollection{TKey}">ICollection<TKey></see> object is not a static copy; instead, the collection refers back to the keys in the original <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>. Therefore, changes to the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> continue to be reflected in the key collection.</remarks>
+ public ICollection<TKey> Keys
+ {
+ get
+ {
+ return Dictionary.Keys;
+ }
+ }
+
+ /// <summary>
+ /// Gets the value associated with the specified key.
+ /// </summary>
+ /// <param name="key">The key of the value to get.</param>
+ /// <param name="value">When this method returns, contains the value associated with the specified key, if the key is found; otherwise, the default value for the type of <paramref name="value"/>. This parameter can be passed uninitialized.</param>
+ /// <returns><see langword="true"/> if the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> contains an element with the specified key; otherwise, <see langword="false"/>.</returns>
+ public bool TryGetValue(TKey key, out TValue value)
+ {
+ return Dictionary.TryGetValue(key, out value);
+ }
+
+ /// <summary>
+ /// Gets an <see cref="T:ICollection{TValue}">ICollection<TValue></see> object containing the values in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.
+ /// </summary>
+ /// <value>An <see cref="T:ICollection{TValue}">ICollection<TValue></see> object containing the values in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.</value>
+ /// <remarks>The returned <see cref="T:ICollection{TValue}">ICollection<TKey></see> object is not a static copy; instead, the collection refers back to the values in the original <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>. Therefore, changes to the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> continue to be reflected in the value collection.</remarks>
+ public ICollection<TValue> Values
+ {
+ get
+ {
+ return Dictionary.Values;
+ }
+ }
+
+ /// <summary>
+ /// Adds the specified value to the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> with the specified key.
+ /// </summary>
+ /// <param name="item">The <see cref="T:KeyValuePair{TKey,TValue}">KeyValuePair<TKey,TValue></see> structure representing the key and value to add to the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.</param>
+ void ICollection<KeyValuePair<TKey,TValue>>.Add(KeyValuePair<TKey, TValue> item)
+ {
+ Add(item.Key, item.Value);
+ }
+
+ /// <summary>
+ /// Determines whether the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> contains a specific key and value.
+ /// </summary>
+ /// <param name="item">The <see cref="T:KeyValuePair{TKey,TValue}">KeyValuePair<TKey,TValue></see> structure to locate in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.</param>
+ /// <returns><see langword="true"/> if <paramref name="keyValuePair"/> is found in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>; otherwise, <see langword="false"/>.</returns>
+ bool ICollection<KeyValuePair<TKey,TValue>>.Contains(KeyValuePair<TKey, TValue> item)
+ {
+ return ((ICollection<KeyValuePair<TKey,TValue>>)Dictionary).Contains(item);
+ }
+
+ /// <summary>
+ /// Copies the elements of the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see> to an array of type <see cref="T:KeyValuePair`2>"/>, starting at the specified index.
+ /// </summary>
+ /// <param name="array">The one-dimensional array of type <see cref="T:KeyValuePair{TKey,TValue}">KeyValuePair<TKey,TValue></see> that is the destination of the <see cref="T:KeyValuePair{TKey,TValue}">KeyValuePair<TKey,TValue></see> elements copied from the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>. The array must have zero-based indexing.</param>
+ /// <param name="arrayIndex">The zero-based index in <paramref name="array"/> at which copying begins.</param>
+ void ICollection<KeyValuePair<TKey,TValue>>.CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex)
+ {
+ ((ICollection<KeyValuePair<TKey,TValue>>)Dictionary).CopyTo(array, arrayIndex);
+ }
+
+ /// <summary>
+ /// Removes a key and value from the dictionary.
+ /// </summary>
+ /// <param name="item">The <see cref="T:KeyValuePair{TKey,TValue}">KeyValuePair<TKey,TValue></see> structure representing the key and value to remove from the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.</param>
+ /// <returns><see langword="true"/> if the key and value represented by <paramref name="keyValuePair"/> is successfully found and removed; otherwise, <see langword="false"/>. This method returns <see langword="false"/> if <paramref name="keyValuePair"/> is not found in the <see cref="OrderedDictionary{TKey,TValue}">OrderedDictionary<TKey,TValue></see>.</returns>
+ bool ICollection<KeyValuePair<TKey,TValue>>.Remove(KeyValuePair<TKey, TValue> item)
+ {
+ return Remove(item.Key);
+ }
+ }
+}
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