Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Collections / Generic / Dictionary.cs / 2 / Dictionary.cs
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
/*============================================================
**
** Class: Dictionary
**
** Purpose: Generic hash table implementation
**
**
===========================================================*/
namespace System.Collections.Generic {
using System;
using System.Collections;
using System.Diagnostics;
using System.Runtime.Serialization;
using System.Security.Permissions;
[DebuggerTypeProxy(typeof(Mscorlib_DictionaryDebugView<,>))]
[DebuggerDisplay("Count = {Count}")]
[Serializable()]
[System.Runtime.InteropServices.ComVisible(false)]
public class Dictionary: IDictionary, IDictionary, ISerializable, IDeserializationCallback {
private struct Entry {
public int hashCode; // Lower 31 bits of hash code, -1 if unused
public int next; // Index of next entry, -1 if last
public TKey key; // Key of entry
public TValue value; // Value of entry
}
private int[] buckets;
private Entry[] entries;
private int count;
private int version;
private int freeList;
private int freeCount;
private IEqualityComparer comparer;
private KeyCollection keys;
private ValueCollection values;
private Object _syncRoot;
private SerializationInfo m_siInfo; //A temporary variable which we need during deserialization.
// constants for serialization
private const String VersionName = "Version";
private const String HashSizeName = "HashSize"; // Must save buckets.Length
private const String KeyValuePairsName = "KeyValuePairs";
private const String ComparerName = "Comparer";
public Dictionary(): this(0, null) {}
public Dictionary(int capacity): this(capacity, null) {}
public Dictionary(IEqualityComparer comparer): this(0, comparer) {}
public Dictionary(int capacity, IEqualityComparer comparer) {
if (capacity < 0) ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.capacity);
if (capacity > 0) Initialize(capacity);
if (comparer == null) comparer = EqualityComparer.Default;
this.comparer = comparer;
}
public Dictionary(IDictionary dictionary): this(dictionary, null) {}
public Dictionary(IDictionary dictionary, IEqualityComparer comparer):
this(dictionary != null? dictionary.Count: 0, comparer) {
if( dictionary == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary);
}
foreach (KeyValuePair pair in dictionary) {
Add(pair.Key, pair.Value);
}
}
protected Dictionary(SerializationInfo info, StreamingContext context) {
//We can't do anything with the keys and values until the entire graph has been deserialized
//and we have a resonable estimate that GetHashCode is not going to fail. For the time being,
//we'll just cache this. The graph is not valid until OnDeserialization has been called.
m_siInfo = info;
}
public IEqualityComparer Comparer {
get {
return comparer;
}
}
public int Count {
get { return count - freeCount; }
}
public KeyCollection Keys {
get {
if (keys == null) keys = new KeyCollection(this);
return keys;
}
}
ICollection IDictionary.Keys {
get {
if (keys == null) keys = new KeyCollection(this);
return keys;
}
}
public ValueCollection Values {
get {
if (values == null) values = new ValueCollection(this);
return values;
}
}
ICollection IDictionary.Values {
get {
if (values == null) values = new ValueCollection(this);
return values;
}
}
public TValue this[TKey key] {
get {
int i = FindEntry(key);
if (i >= 0) return entries[i].value;
ThrowHelper.ThrowKeyNotFoundException();
return default(TValue);
}
set {
Insert(key, value, false);
}
}
public void Add(TKey key, TValue value) {
Insert(key, value, true);
}
void ICollection>.Add(KeyValuePair keyValuePair) {
Add(keyValuePair.Key, keyValuePair.Value);
}
bool ICollection>.Contains(KeyValuePair keyValuePair) {
int i = FindEntry(keyValuePair.Key);
if( i >= 0 && EqualityComparer.Default.Equals(entries[i].value, keyValuePair.Value)) {
return true;
}
return false;
}
bool ICollection>.Remove(KeyValuePair keyValuePair) {
int i = FindEntry(keyValuePair.Key);
if( i >= 0 && EqualityComparer.Default.Equals(entries[i].value, keyValuePair.Value)) {
Remove(keyValuePair.Key);
return true;
}
return false;
}
public void Clear() {
if (count > 0) {
for (int i = 0; i < buckets.Length; i++) buckets[i] = -1;
Array.Clear(entries, 0, count);
freeList = -1;
count = 0;
freeCount = 0;
version++;
}
}
public bool ContainsKey(TKey key) {
return FindEntry(key) >= 0;
}
public bool ContainsValue(TValue value) {
if (value == null) {
for (int i = 0; i < count; i++) {
if (entries[i].hashCode >= 0 && entries[i].value == null) return true;
}
}
else {
EqualityComparer c = EqualityComparer.Default;
for (int i = 0; i < count; i++) {
if (entries[i].hashCode >= 0 && c.Equals(entries[i].value, value)) return true;
}
}
return false;
}
private void CopyTo(KeyValuePair[] array, int index) {
if (array == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (index < 0 || index > array.Length ) {
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum);
}
if (array.Length - index < Count) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
int count = this.count;
Entry[] entries = this.entries;
for (int i = 0; i < count; i++) {
if (entries[i].hashCode >= 0) {
array[index++] = new KeyValuePair(entries[i].key, entries[i].value);
}
}
}
public Enumerator GetEnumerator() {
return new Enumerator(this, Enumerator.KeyValuePair);
}
IEnumerator> IEnumerable>.GetEnumerator() {
return new Enumerator(this, Enumerator.KeyValuePair);
}
[SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter)]
public virtual void GetObjectData(SerializationInfo info, StreamingContext context) {
if (info==null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.info);
}
info.AddValue(VersionName, version);
info.AddValue(ComparerName, comparer, typeof(IEqualityComparer));
info.AddValue(HashSizeName, buckets == null ? 0 : buckets.Length); //This is the length of the bucket array.
if( buckets != null) {
KeyValuePair[] array = new KeyValuePair[Count];
CopyTo(array, 0);
info.AddValue(KeyValuePairsName, array, typeof(KeyValuePair[]));
}
}
private int FindEntry(TKey key) {
if( key == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
if (buckets != null) {
int hashCode = comparer.GetHashCode(key) & 0x7FFFFFFF;
for (int i = buckets[hashCode % buckets.Length]; i >= 0; i = entries[i].next) {
if (entries[i].hashCode == hashCode && comparer.Equals(entries[i].key, key)) return i;
}
}
return -1;
}
private void Initialize(int capacity) {
int size = HashHelpers.GetPrime(capacity);
buckets = new int[size];
for (int i = 0; i < buckets.Length; i++) buckets[i] = -1;
entries = new Entry[size];
freeList = -1;
}
private void Insert(TKey key, TValue value, bool add) {
if( key == null ) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
if (buckets == null) Initialize(0);
int hashCode = comparer.GetHashCode(key) & 0x7FFFFFFF;
int targetBucket = hashCode % buckets.Length;
for (int i = buckets[targetBucket]; i >= 0; i = entries[i].next) {
if (entries[i].hashCode == hashCode && comparer.Equals(entries[i].key, key)) {
if (add) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_AddingDuplicate);
}
entries[i].value = value;
version++;
return;
}
}
int index;
if (freeCount > 0) {
index = freeList;
freeList = entries[index].next;
freeCount--;
}
else {
if (count == entries.Length)
{
Resize();
targetBucket = hashCode % buckets.Length;
}
index = count;
count++;
}
entries[index].hashCode = hashCode;
entries[index].next = buckets[targetBucket];
entries[index].key = key;
entries[index].value = value;
buckets[targetBucket] = index;
version++;
}
public virtual void OnDeserialization(Object sender) {
if (m_siInfo==null) {
// It might be necessary to call OnDeserialization from a container if the container object also implements
// OnDeserialization. However, remoting will call OnDeserialization again.
// We can return immediately if this function is called twice.
// Note we set m_siInfo to null at the end of this method.
return;
}
int realVersion = m_siInfo.GetInt32(VersionName);
int hashsize = m_siInfo.GetInt32(HashSizeName);
comparer = (IEqualityComparer)m_siInfo.GetValue(ComparerName, typeof(IEqualityComparer));
if( hashsize != 0) {
buckets = new int[hashsize];
for (int i = 0; i < buckets.Length; i++) buckets[i] = -1;
entries = new Entry[hashsize];
freeList = -1;
KeyValuePair[] array = (KeyValuePair[])
m_siInfo.GetValue(KeyValuePairsName, typeof(KeyValuePair[]));
if (array==null) {
ThrowHelper.ThrowSerializationException(ExceptionResource.Serialization_MissingKeyValuePairs);
}
for (int i=0; i= 0; last = i, i = entries[i].next) {
if (entries[i].hashCode == hashCode && comparer.Equals(entries[i].key, key)) {
if (last < 0) {
buckets[bucket] = entries[i].next;
}
else {
entries[last].next = entries[i].next;
}
entries[i].hashCode = -1;
entries[i].next = freeList;
entries[i].key = default(TKey);
entries[i].value = default(TValue);
freeList = i;
freeCount++;
version++;
return true;
}
}
}
return false;
}
public bool TryGetValue(TKey key, out TValue value) {
int i = FindEntry(key);
if (i >= 0) {
value = entries[i].value;
return true;
}
value = default(TValue);
return false;
}
bool ICollection>.IsReadOnly {
get { return false; }
}
void ICollection>.CopyTo(KeyValuePair[] array, int index) {
CopyTo(array, index);
}
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 || index > array.Length) {
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum);
}
if (array.Length - index < Count) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
KeyValuePair[] pairs = array as KeyValuePair[];
if (pairs != null) {
CopyTo(pairs, index);
}
else if( array is DictionaryEntry[]) {
DictionaryEntry[] dictEntryArray = array as DictionaryEntry[];
Entry[] entries = this.entries;
for (int i = 0; i < count; i++) {
if (entries[i].hashCode >= 0) {
dictEntryArray[index++] = new DictionaryEntry(entries[i].key, entries[i].value);
}
}
}
else {
object[] objects = array as object[];
if (objects == null) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType);
}
try {
int count = this.count;
Entry[] entries = this.entries;
for (int i = 0; i < count; i++) {
if (entries[i].hashCode >= 0) {
objects[index++] = new KeyValuePair(entries[i].key, entries[i].value);
}
}
}
catch(ArrayTypeMismatchException) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType);
}
}
}
IEnumerator IEnumerable.GetEnumerator() {
return new Enumerator(this, Enumerator.KeyValuePair);
}
bool ICollection.IsSynchronized {
get { return false; }
}
object ICollection.SyncRoot {
get {
if( _syncRoot == null) {
System.Threading.Interlocked.CompareExchange(ref _syncRoot, new Object(), null);
}
return _syncRoot;
}
}
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)) {
int i = FindEntry((TKey)key);
if (i >= 0) {
return entries[i].value;
}
}
return null;
}
set {
VerifyKey(key);
VerifyValueType(value);
this[(TKey)key] = (TValue)value;
}
}
private static void VerifyKey(object key) {
if( key == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
if( !(key is TKey) ) {
ThrowHelper.ThrowWrongKeyTypeArgumentException(key, typeof(TKey));
}
}
private static bool IsCompatibleKey(object key) {
if( key == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
return (key is TKey);
}
private static void VerifyValueType(object value) {
if( (value is TValue) || ( value == null && !typeof(TValue).IsValueType) ) {
return;
}
ThrowHelper.ThrowWrongValueTypeArgumentException(value, typeof(TValue));
}
void IDictionary.Add(object key, object value) {
VerifyKey(key);
VerifyValueType(value);
Add((TKey)key, (TValue)value);
}
bool IDictionary.Contains(object key) {
if(IsCompatibleKey(key)) {
return ContainsKey((TKey)key);
}
return false;
}
IDictionaryEnumerator IDictionary.GetEnumerator() {
return new Enumerator(this, Enumerator.DictEntry);
}
void IDictionary.Remove(object key) {
if(IsCompatibleKey(key)) {
Remove((TKey)key);
}
}
[Serializable()]
public struct Enumerator: IEnumerator>,
IDictionaryEnumerator
{
private Dictionary dictionary;
private int version;
private int index;
private KeyValuePair current;
private int getEnumeratorRetType; // What should Enumerator.Current return?
internal const int DictEntry = 1;
internal const int KeyValuePair = 2;
internal Enumerator(Dictionary dictionary, int getEnumeratorRetType) {
this.dictionary = dictionary;
version = dictionary.version;
index = 0;
this.getEnumeratorRetType = getEnumeratorRetType;
current = new KeyValuePair();
}
public bool MoveNext() {
if (version != dictionary.version) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
}
// Use unsigned comparison since we set index to dictionary.count+1 when the enumeration ends.
// dictionary.count+1 could be negative if dictionary.count is Int32.MaxValue
while ((uint)index < (uint)dictionary.count) {
if (dictionary.entries[index].hashCode >= 0) {
current = new KeyValuePair(dictionary.entries[index].key, dictionary.entries[index].value);
index++;
return true;
}
index++;
}
index = dictionary.count + 1;
current = new KeyValuePair();
return false;
}
public KeyValuePair Current {
get { return current; }
}
public void Dispose() {
}
object IEnumerator.Current {
get {
if( index == 0 || (index == dictionary.count + 1)) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
if (getEnumeratorRetType == DictEntry) {
return new System.Collections.DictionaryEntry(current.Key, current.Value);
} else {
return new KeyValuePair(current.Key, current.Value);
}
}
}
void IEnumerator.Reset() {
if (version != dictionary.version) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
}
index = 0;
current = new KeyValuePair();
}
DictionaryEntry IDictionaryEnumerator.Entry {
get {
if( index == 0 || (index == dictionary.count + 1)) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
return new DictionaryEntry(current.Key, current.Value);
}
}
object IDictionaryEnumerator.Key {
get {
if( index == 0 || (index == dictionary.count + 1)) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
return current.Key;
}
}
object IDictionaryEnumerator.Value {
get {
if( index == 0 || (index == dictionary.count + 1)) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
return current.Value;
}
}
}
[DebuggerTypeProxy(typeof(Mscorlib_DictionaryKeyCollectionDebugView<,>))]
[DebuggerDisplay("Count = {Count}")]
[Serializable()]
public sealed class KeyCollection: ICollection, ICollection
{
private Dictionary dictionary;
public KeyCollection(Dictionary dictionary) {
if (dictionary == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary);
}
this.dictionary = dictionary;
}
public Enumerator GetEnumerator() {
return new Enumerator(dictionary);
}
public void CopyTo(TKey[] array, int index) {
if (array == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (index < 0 || index > array.Length) {
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum);
}
if (array.Length - index < dictionary.Count) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
int count = dictionary.count;
Entry[] entries = dictionary.entries;
for (int i = 0; i < count; i++) {
if (entries[i].hashCode >= 0) array[index++] = entries[i].key;
}
}
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;
}
IEnumerator IEnumerable.GetEnumerator() {
return new Enumerator(dictionary);
}
IEnumerator IEnumerable.GetEnumerator() {
return new Enumerator(dictionary);
}
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 || index > array.Length) {
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index, 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 = array as object[];
if (objects == null) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType);
}
int count = dictionary.count;
Entry[] entries = dictionary.entries;
try {
for (int i = 0; i < count; i++) {
if (entries[i].hashCode >= 0) objects[index++] = entries[i].key;
}
}
catch(ArrayTypeMismatchException) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType);
}
}
}
bool ICollection.IsSynchronized {
get { return false; }
}
Object ICollection.SyncRoot {
get { return ((ICollection)dictionary).SyncRoot; }
}
[Serializable()]
public struct Enumerator : IEnumerator, System.Collections.IEnumerator
{
private Dictionary dictionary;
private int index;
private int version;
private TKey currentKey;
internal Enumerator(Dictionary dictionary) {
this.dictionary = dictionary;
version = dictionary.version;
index = 0;
currentKey = default(TKey);
}
public void Dispose() {
}
public bool MoveNext() {
if (version != dictionary.version) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
}
while ((uint)index < (uint)dictionary.count) {
if (dictionary.entries[index].hashCode >= 0) {
currentKey = dictionary.entries[index].key;
index++;
return true;
}
index++;
}
index = dictionary.count + 1;
currentKey = default(TKey);
return false;
}
public TKey Current {
get {
return currentKey;
}
}
Object System.Collections.IEnumerator.Current {
get {
if( index == 0 || (index == dictionary.count + 1)) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
return currentKey;
}
}
void System.Collections.IEnumerator.Reset() {
if (version != dictionary.version) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
}
index = 0;
currentKey = default(TKey);
}
}
}
[DebuggerTypeProxy(typeof(Mscorlib_DictionaryValueCollectionDebugView<,>))]
[DebuggerDisplay("Count = {Count}")]
[Serializable()]
public sealed class ValueCollection: ICollection, ICollection
{
private Dictionary dictionary;
public ValueCollection(Dictionary dictionary) {
if (dictionary == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary);
}
this.dictionary = dictionary;
}
public Enumerator GetEnumerator() {
return new Enumerator(dictionary);
}
public void CopyTo(TValue[] array, int index) {
if (array == null) {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (index < 0 || index > array.Length) {
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum);
}
if (array.Length - index < dictionary.Count) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
int count = dictionary.count;
Entry[] entries = dictionary.entries;
for (int i = 0; i < count; i++) {
if (entries[i].hashCode >= 0) array[index++] = entries[i].value;
}
}
public int Count {
get { return dictionary.Count; }
}
bool ICollection.IsReadOnly {
get { return true; }
}
void ICollection.Add(TValue item){
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet);
}
bool ICollection.Remove(TValue item){
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet);
return false;
}
void ICollection.Clear(){
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet);
}
bool ICollection.Contains(TValue item){
return dictionary.ContainsValue(item);
}
IEnumerator IEnumerable.GetEnumerator() {
return new Enumerator(dictionary);
}
IEnumerator IEnumerable.GetEnumerator() {
return new Enumerator(dictionary);
}
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 || index > array.Length) {
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index, 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 = array as object[];
if (objects == null) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType);
}
int count = dictionary.count;
Entry[] entries = dictionary.entries;
try {
for (int i = 0; i < count; i++) {
if (entries[i].hashCode >= 0) objects[index++] = entries[i].value;
}
}
catch(ArrayTypeMismatchException) {
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType);
}
}
}
bool ICollection.IsSynchronized {
get { return false; }
}
Object ICollection.SyncRoot {
get { return ((ICollection)dictionary).SyncRoot; }
}
[Serializable()]
public struct Enumerator : IEnumerator, System.Collections.IEnumerator
{
private Dictionary dictionary;
private int index;
private int version;
private TValue currentValue;
internal Enumerator(Dictionary dictionary) {
this.dictionary = dictionary;
version = dictionary.version;
index = 0;
currentValue = default(TValue);
}
public void Dispose() {
}
public bool MoveNext() {
if (version != dictionary.version) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
}
while ((uint)index < (uint)dictionary.count) {
if (dictionary.entries[index].hashCode >= 0) {
currentValue = dictionary.entries[index].value;
index++;
return true;
}
index++;
}
index = dictionary.count + 1;
currentValue = default(TValue);
return false;
}
public TValue Current {
get {
return currentValue;
}
}
Object System.Collections.IEnumerator.Current {
get {
if( index == 0 || (index == dictionary.count + 1)) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen);
}
return currentValue;
}
}
void System.Collections.IEnumerator.Reset() {
if (version != dictionary.version) {
ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
}
index = 0;
currentValue = default(TValue);
}
}
}
}
}
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- RenderContext.cs
- StandardToolWindows.cs
- HandledEventArgs.cs
- XmlIlGenerator.cs
- mediapermission.cs
- FacetEnabledSchemaElement.cs
- ScriptingRoleServiceSection.cs
- Message.cs
- TabletDevice.cs
- ConstNode.cs
- EventManager.cs
- LZCodec.cs
- GlyphsSerializer.cs
- DesignerTextViewAdapter.cs
- WebBrowserContainer.cs
- RadioButtonAutomationPeer.cs
- XsdDuration.cs
- ListBase.cs
- GridToolTip.cs
- DataGridAddNewRow.cs
- Command.cs
- MessageQueueAccessControlEntry.cs
- DateTimeOffsetAdapter.cs
- VisualState.cs
- SQLBinary.cs
- CodeBlockBuilder.cs
- RequiredAttributeAttribute.cs
- UIElementParaClient.cs
- RSACryptoServiceProvider.cs
- Parameter.cs
- Camera.cs
- CallId.cs
- TimersDescriptionAttribute.cs
- DoubleKeyFrameCollection.cs
- DataGridViewSelectedColumnCollection.cs
- ConnectionProviderAttribute.cs
- Statements.cs
- MeasureItemEvent.cs
- AutomationElementIdentifiers.cs
- securestring.cs
- MetadataHelper.cs
- ClipboardData.cs
- RuntimeWrappedException.cs
- XmlChoiceIdentifierAttribute.cs
- ParallelEnumerable.cs
- FormViewCommandEventArgs.cs
- clipboard.cs
- SystemIPAddressInformation.cs
- SQLBinary.cs
- Help.cs
- DependencyStoreSurrogate.cs
- RoutedEventArgs.cs
- ExtenderControl.cs
- FrameworkContentElementAutomationPeer.cs
- KnownBoxes.cs
- Win32PrintDialog.cs
- Decoder.cs
- EntityConnectionStringBuilder.cs
- GenericWebPart.cs
- DriveInfo.cs
- LineMetrics.cs
- SetIterators.cs
- OpenFileDialog.cs
- ImplicitInputBrush.cs
- ToolStripPanelDesigner.cs
- ProfilePropertySettings.cs
- Pen.cs
- LeftCellWrapper.cs
- RtfControls.cs
- Int16.cs
- ContentValidator.cs
- SmiEventSink_Default.cs
- IdentifierService.cs
- SizeKeyFrameCollection.cs
- DigitShape.cs
- remotingproxy.cs
- TextReader.cs
- EdmComplexTypeAttribute.cs
- JapaneseCalendar.cs
- CodeDelegateInvokeExpression.cs
- ContainerAction.cs
- GridEntry.cs
- DataRowCollection.cs
- DataGridViewMethods.cs
- PermissionToken.cs
- ParagraphResult.cs
- CompilerHelpers.cs
- RelationshipEnd.cs
- BinHexEncoding.cs
- TypeInitializationException.cs
- ViewCellRelation.cs
- ContainerParaClient.cs
- DataPagerFieldItem.cs
- StatusBarItemAutomationPeer.cs
- altserialization.cs