Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / Collections / Generic / SortedDictionary.cs / 1305376 / SortedDictionary.cs
namespace System.Collections.Generic {
using System;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.Serialization;
[Serializable]
[DebuggerTypeProxy(typeof(System_DictionaryDebugView<,>))]
[DebuggerDisplay("Count = {Count}")]
public class SortedDictionary : IDictionary, IDictionary {
[NonSerialized]
private KeyCollection keys;
[NonSerialized]
private ValueCollection values;
private TreeSet> _set;
public SortedDictionary() : this((IComparer)null) {
}
public SortedDictionary(IDictionary dictionary) : this( dictionary, null) {
}
public SortedDictionary(IDictionary dictionary, IComparer comparer) {
if( dictionary == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary);
}
_set = new TreeSet>(new KeyValuePairComparer(comparer));
foreach(KeyValuePair pair in dictionary) {
_set.Add(pair);
}
}
public SortedDictionary(IComparer comparer) {
_set = new TreeSet>(new KeyValuePairComparer(comparer));
}
void ICollection>.Add(KeyValuePair keyValuePair) {
_set.Add(keyValuePair);
}
bool ICollection>.Contains(KeyValuePair keyValuePair) {
TreeSet>.Node node = _set.FindNode(keyValuePair);
if ( node == null) {
return false;
}
if( keyValuePair.Value == null) {
return node.Item.Value == null;
}
else {
return EqualityComparer.Default.Equals(node.Item.Value, keyValuePair.Value);
}
}
bool ICollection>.Remove(KeyValuePair keyValuePair) {
TreeSet>.Node node = _set.FindNode(keyValuePair);
if ( node == null) {
return false;
}
if( EqualityComparer.Default.Equals(node.Item.Value, keyValuePair.Value)) {
_set.Remove(keyValuePair);
return true;
}
return false;
}
bool ICollection>.IsReadOnly {
get {
return false;
}
}
public TValue this[TKey key] {
get {
if ( key == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
TreeSet>.Node node = _set.FindNode(new KeyValuePair(key, default(TValue)));
if ( node == null) {
ThrowHelper.ThrowKeyNotFoundException();
}
return node.Item.Value;
}
set {
if( key == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
TreeSet>.Node node = _set.FindNode(new KeyValuePair(key, default(TValue)));
if ( node == null) {
_set.Add(new KeyValuePair(key, value));
} else {
node.Item = new KeyValuePair( node.Item.Key, value);
_set.UpdateVersion();
}
}
}
public int Count {
get {
return _set.Count;
}
}
public IComparer Comparer {
get {
return ((KeyValuePairComparer)_set.Comparer).keyComparer;
}
}
public KeyCollection Keys {
get {
if (keys == null) keys = new KeyCollection(this);
return keys;
}
}
ICollection IDictionary.Keys {
get {
return Keys;
}
}
public ValueCollection Values {
get {
if (values == null) values = new ValueCollection(this);
return values;
}
}
ICollection IDictionary.Values {
get {
return Values;
}
}
public void Add(TKey key, TValue value) {
if( key == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
_set.Add(new KeyValuePair(key, value));
}
public void Clear() {
_set.Clear();
}
public bool ContainsKey(TKey key) {
if( key == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
return _set.Contains(new KeyValuePair(key, default(TValue)));
}
public bool ContainsValue(TValue value) {
bool found = false;
if( value == null) {
_set.InOrderTreeWalk( delegate(TreeSet>.Node node) {
if(node.Item.Value == null) {
found = true;
return false; // stop the walk
}
return true;
});
}
else {
EqualityComparer valueComparer = EqualityComparer.Default;
_set.InOrderTreeWalk( delegate(TreeSet>.Node node) {
if(valueComparer.Equals(node.Item.Value, value)) {
found = true;
return false; // stop the walk
}
return true;
});
}
return found;
}
public void CopyTo(KeyValuePair[] array, int index) {
_set.CopyTo(array, index);
}
public Enumerator GetEnumerator() {
return new Enumerator(this, Enumerator.KeyValuePair);
}
IEnumerator> IEnumerable>.GetEnumerator() {
return new Enumerator(this, Enumerator.KeyValuePair);
}
public bool Remove(TKey key) {
if( key == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
return _set.Remove(new KeyValuePair(key, default(TValue)));
}
public bool TryGetValue( TKey key, out TValue value) {
if( key == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
TreeSet>.Node node = _set.FindNode(new KeyValuePair(key, default(TValue)));
if ( node == null) {
value = default(TValue);
return false;
}
value = node.Item.Value;
return true;
}
void ICollection.CopyTo(Array array, int index) {
((ICollection)_set).CopyTo(array, index);
}
bool IDictionary.IsFixedSize {
get { return false; }
}
bool IDictionary.IsReadOnly {
get { return false; }
}
ICollection IDictionary.Keys {
get { return (ICollection)Keys; }
}
ICollection IDictionary.Values {
get { return (ICollection)Values; }
}
object IDictionary.this[object key] {
get {
if( IsCompatibleKey(key)) {
TValue value;
if( TryGetValue((TKey)key, out value)) {
return value;
}
}
return null;
}
set {
if (key == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
ThrowHelper.IfNullAndNullsAreIllegalThenThrow(value, ExceptionArgument.value);
try {
TKey tempKey = (TKey)key;
try {
this[tempKey] = (TValue)value;
}
catch (InvalidCastException) {
ThrowHelper.ThrowWrongValueTypeArgumentException(value, typeof(TValue));
}
}
catch (InvalidCastException) {
ThrowHelper.ThrowWrongKeyTypeArgumentException(key, typeof(TKey));
}
}
}
void IDictionary.Add(object key, object value) {
if (key == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
ThrowHelper.IfNullAndNullsAreIllegalThenThrow(value, ExceptionArgument.value);
try {
TKey tempKey = (TKey)key;
try {
Add(tempKey, (TValue)value);
}
catch (InvalidCastException) {
ThrowHelper.ThrowWrongValueTypeArgumentException(value, typeof(TValue));
}
}
catch (InvalidCastException) {
ThrowHelper.ThrowWrongKeyTypeArgumentException(key, typeof(TKey));
}
}
bool IDictionary.Contains(object key) {
if(IsCompatibleKey(key)) {
return ContainsKey((TKey)key);
}
return false;
}
private static bool IsCompatibleKey(object key) {
if( key == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
return (key is TKey);
}
IDictionaryEnumerator IDictionary.GetEnumerator() {
return new Enumerator(this, Enumerator.DictEntry);
}
void IDictionary.Remove(object key) {
if(IsCompatibleKey(key))
{
Remove((TKey)key);
}
}
bool ICollection.IsSynchronized {
get { return false; }
}
object ICollection.SyncRoot {
get { return ((ICollection)_set).SyncRoot; }
}
IEnumerator IEnumerable.GetEnumerator() {
return new Enumerator(this, Enumerator.KeyValuePair);
}
[SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes", Justification = "not an expected scenario")]
public struct Enumerator : IEnumerator>, IDictionaryEnumerator {
private TreeSet>.Enumerator treeEnum;
private int getEnumeratorRetType; // What should Enumerator.Current return?
internal const int KeyValuePair = 1;
internal const int DictEntry = 2;
internal Enumerator(SortedDictionary dictionary, int getEnumeratorRetType) {
treeEnum = dictionary._set.GetEnumerator();
this.getEnumeratorRetType = getEnumeratorRetType;
}
public bool MoveNext() {
return treeEnum.MoveNext();
}
public void Dispose() {
treeEnum.Dispose();
}
public KeyValuePair Current {
get {
return treeEnum.Current;
}
}
internal bool NotStartedOrEnded {
get {
return treeEnum.NotStartedOrEnded;
}
}
internal void Reset() {
treeEnum.Reset();
}
void IEnumerator.Reset() {
treeEnum.Reset();
}
object IEnumerator.Current {
get {
if( NotStartedOrEnded) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
if (getEnumeratorRetType == DictEntry) {
return new DictionaryEntry(Current.Key, Current.Value);
} else {
return new KeyValuePair(Current.Key, Current.Value);
}
}
}
object IDictionaryEnumerator.Key {
get {
if(NotStartedOrEnded) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
return Current.Key;
}
}
object IDictionaryEnumerator.Value {
get {
if(NotStartedOrEnded) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
return Current.Value;
}
}
DictionaryEntry IDictionaryEnumerator.Entry {
get {
if(NotStartedOrEnded) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
return new DictionaryEntry(Current.Key, Current.Value);
}
}
}
[DebuggerTypeProxy(typeof(System_DictionaryKeyCollectionDebugView<,>))]
[DebuggerDisplay("Count = {Count}")]
[Serializable]
public sealed class KeyCollection: ICollection, ICollection {
private SortedDictionary dictionary;
public KeyCollection(SortedDictionary dictionary) {
if (dictionary == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary);
}
this.dictionary = dictionary;
}
public Enumerator GetEnumerator() {
return new Enumerator(dictionary);
}
IEnumerator IEnumerable.GetEnumerator() {
return new Enumerator(dictionary);
}
IEnumerator IEnumerable.GetEnumerator() {
return new Enumerator(dictionary);
}
public void CopyTo(TKey[] array, int index) {
if (array == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (index < 0) {
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index);
}
if (array.Length - index < Count) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
dictionary._set.InOrderTreeWalk( delegate(TreeSet>.Node node){ array[index++] = node.Item.Key; return true;});
}
void ICollection.CopyTo(Array array, int index) {
if (array==null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (array.Rank != 1) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported);
}
if( array.GetLowerBound(0) != 0 ) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound);
}
if (index < 0 ) {
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.arrayIndex, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum);
}
if (array.Length - index < dictionary.Count) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
TKey[] keys = array as TKey[];
if (keys != null) {
CopyTo(keys, index);
}
else {
object[] objects = (object[])array;
if (objects == null) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType);
}
try {
dictionary._set.InOrderTreeWalk( delegate(TreeSet>.Node node){ objects[index++] = node.Item.Key; return true;});
}
catch(ArrayTypeMismatchException) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType);
}
}
}
public int Count {
get { return dictionary.Count;}
}
bool ICollection.IsReadOnly {
get { return true;}
}
void ICollection.Add(TKey item){
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_KeyCollectionSet);
}
void ICollection.Clear(){
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_KeyCollectionSet);
}
bool ICollection.Contains(TKey item){
return dictionary.ContainsKey(item);
}
bool ICollection.Remove(TKey item){
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_KeyCollectionSet);
return false;
}
bool ICollection.IsSynchronized {
get { return false; }
}
Object ICollection.SyncRoot {
get { return ((ICollection)dictionary).SyncRoot; }
}
[SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes", Justification = "not an expected scenario")]
public struct Enumerator : IEnumerator, IEnumerator {
private SortedDictionary.Enumerator dictEnum;
internal Enumerator(SortedDictionary dictionary) {
dictEnum = dictionary.GetEnumerator();
}
public void Dispose() {
dictEnum.Dispose();
}
public bool MoveNext() {
return dictEnum.MoveNext();
}
public TKey Current {
get {
return dictEnum.Current.Key;
}
}
object IEnumerator.Current {
get {
if( dictEnum.NotStartedOrEnded) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
return Current;
}
}
void IEnumerator.Reset() {
dictEnum.Reset();
}
}
}
[DebuggerTypeProxy(typeof(System_DictionaryValueCollectionDebugView<,>))]
[DebuggerDisplay("Count = {Count}")]
[Serializable]
public sealed class ValueCollection: ICollection, ICollection {
private SortedDictionary dictionary;
public ValueCollection(SortedDictionary dictionary) {
if (dictionary == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary);
}
this.dictionary = dictionary;
}
public Enumerator GetEnumerator() {
return new Enumerator(dictionary);
}
IEnumerator IEnumerable.GetEnumerator() {
return new Enumerator(dictionary);
}
IEnumerator IEnumerable.GetEnumerator() {
return new Enumerator(dictionary);
}
public void CopyTo(TValue[] array, int index) {
if (array == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (index < 0 ) {
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index);
}
if (array.Length - index < Count) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
dictionary._set.InOrderTreeWalk( delegate(TreeSet>.Node node){ array[index++] = node.Item.Value; return true;});
}
void ICollection.CopyTo(Array array, int index) {
if (array==null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (array.Rank != 1) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported);
}
if( array.GetLowerBound(0) != 0 ) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound);
}
if (index < 0) {
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.arrayIndex, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum);
}
if (array.Length - index < dictionary.Count) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
TValue[] values = array as TValue[];
if (values != null) {
CopyTo(values, index);
}
else {
object[] objects = (object[])array;
if (objects == null) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType);
}
try {
dictionary._set.InOrderTreeWalk( delegate(TreeSet>.Node node){ objects[index++] = node.Item.Value; return true;});
}
catch(ArrayTypeMismatchException) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType);
}
}
}
public int Count {
get { return dictionary.Count;}
}
bool ICollection.IsReadOnly {
get { return true;}
}
void ICollection.Add(TValue item){
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet);
}
void ICollection.Clear(){
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet);
}
bool ICollection.Contains(TValue item){
return dictionary.ContainsValue(item);
}
bool ICollection.Remove(TValue item){
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet);
return false;
}
bool ICollection.IsSynchronized {
get { return false; }
}
Object ICollection.SyncRoot {
get { return ((ICollection)dictionary).SyncRoot; }
}
[SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes", Justification = "not an expected scenario")]
public struct Enumerator : IEnumerator, IEnumerator {
private SortedDictionary.Enumerator dictEnum;
internal Enumerator(SortedDictionary dictionary) {
dictEnum = dictionary.GetEnumerator();
}
public void Dispose() {
dictEnum.Dispose();
}
public bool MoveNext() {
return dictEnum.MoveNext();
}
public TValue Current {
get {
return dictEnum.Current.Value;
}
}
object IEnumerator.Current {
get {
if( dictEnum.NotStartedOrEnded) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
return Current;
}
}
void IEnumerator.Reset() {
dictEnum.Reset();
}
}
}
[Serializable]
internal class KeyValuePairComparer : Comparer> {
internal IComparer keyComparer;
public KeyValuePairComparer(IComparer keyComparer) {
if ( keyComparer == null) {
this.keyComparer = Comparer.Default;
} else {
this.keyComparer = keyComparer;
}
}
public override int Compare( KeyValuePair x, KeyValuePair y) {
return keyComparer.Compare(x.Key, y.Key);
}
}
}
///
/// This class is intended as a helper for backwards compatibility with existing SortedDictionaries.
/// TreeSet has been converted into SortedSet, which will be exposed publicly. SortedDictionaries
/// have the problem where they have already been serialized to disk as having a backing class named
/// TreeSet. To ensure that we can read back anything that has already been written to disk, we need to
/// make sure that we have a class named TreeSet that does everything the way it used to.
///
/// The only thing that makes it different from SortedSet is that it throws on duplicates
///
/// : SortedSet {
public TreeSet()
: base() { }
public TreeSet(IComparer comparer) : base(comparer) { }
public TreeSet(ICollection collection) : base(collection) { }
public TreeSet(ICollection collection, IComparer comparer) : base(collection, comparer) { }
public TreeSet(SerializationInfo siInfo, StreamingContext context) : base(siInfo, context) { }
internal override bool AddIfNotPresent(T item) {
bool ret = base.AddIfNotPresent(item);
if (!ret) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_AddingDuplicate);
}
return ret;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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