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authorJiyoung Yun <jy910.yun@samsung.com>2017-04-13 05:17:19 (GMT)
committerJiyoung Yun <jy910.yun@samsung.com>2017-04-13 05:17:19 (GMT)
commita56e30c8d33048216567753d9d3fefc2152af8ac (patch)
tree7e5d979695fc4a431740982eb1cfecc2898b23a5 /src/mscorlib/src/System/Collections/ObjectModel/ReadOnlyCollection.cs
parent4b11dc566a5bbfa1378d6266525c281b028abcc8 (diff)
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Imported Upstream version 2.0.0.11353upstream/2.0.0.11353
Diffstat (limited to 'src/mscorlib/src/System/Collections/ObjectModel/ReadOnlyCollection.cs')
-rw-r--r--src/mscorlib/src/System/Collections/ObjectModel/ReadOnlyCollection.cs196
1 files changed, 124 insertions, 72 deletions
diff --git a/src/mscorlib/src/System/Collections/ObjectModel/ReadOnlyCollection.cs b/src/mscorlib/src/System/Collections/ObjectModel/ReadOnlyCollection.cs
index 10c48cf..b484879 100644
--- a/src/mscorlib/src/System/Collections/ObjectModel/ReadOnlyCollection.cs
+++ b/src/mscorlib/src/System/Collections/ObjectModel/ReadOnlyCollection.cs
@@ -4,150 +4,184 @@
//
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Runtime;
+
namespace System.Collections.ObjectModel
{
- using System;
- using System.Collections;
- using System.Collections.Generic;
- using System.Diagnostics;
- using System.Runtime;
-
[Serializable]
[DebuggerTypeProxy(typeof(Mscorlib_CollectionDebugView<>))]
- [DebuggerDisplay("Count = {Count}")]
- public class ReadOnlyCollection<T>: IList<T>, IList, IReadOnlyList<T>
+ [DebuggerDisplay("Count = {Count}")]
+ public class ReadOnlyCollection<T> : IList<T>, IList, IReadOnlyList<T>
{
- IList<T> list;
+ private IList<T> list;
[NonSerialized]
private Object _syncRoot;
- public ReadOnlyCollection(IList<T> list) {
- if (list == null) {
+ public ReadOnlyCollection(IList<T> list)
+ {
+ if (list == null)
+ {
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.list);
}
this.list = list;
}
- public int Count {
+ public int Count
+ {
get { return list.Count; }
}
- public T this[int index] {
+ public T this[int index]
+ {
get { return list[index]; }
}
- public bool Contains(T value) {
+ public bool Contains(T value)
+ {
return list.Contains(value);
}
- public void CopyTo(T[] array, int index) {
+ public void CopyTo(T[] array, int index)
+ {
list.CopyTo(array, index);
}
- public IEnumerator<T> GetEnumerator() {
+ public IEnumerator<T> GetEnumerator()
+ {
return list.GetEnumerator();
}
- public int IndexOf(T value) {
+ public int IndexOf(T value)
+ {
return list.IndexOf(value);
}
- protected IList<T> Items {
- get {
+ protected IList<T> Items
+ {
+ get
+ {
return list;
}
}
- bool ICollection<T>.IsReadOnly {
+ bool ICollection<T>.IsReadOnly
+ {
get { return true; }
}
-
- T IList<T>.this[int index] {
+
+ T IList<T>.this[int index]
+ {
get { return list[index]; }
- set {
+ set
+ {
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
}
}
- void ICollection<T>.Add(T value) {
+ void ICollection<T>.Add(T value)
+ {
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
}
-
- void ICollection<T>.Clear() {
+
+ void ICollection<T>.Clear()
+ {
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
}
- void IList<T>.Insert(int index, T value) {
+ void IList<T>.Insert(int index, T value)
+ {
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
}
- bool ICollection<T>.Remove(T value) {
+ bool ICollection<T>.Remove(T value)
+ {
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
return false;
}
- void IList<T>.RemoveAt(int index) {
+ void IList<T>.RemoveAt(int index)
+ {
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
}
- IEnumerator IEnumerable.GetEnumerator() {
+ IEnumerator IEnumerable.GetEnumerator()
+ {
return ((IEnumerable)list).GetEnumerator();
}
- bool ICollection.IsSynchronized {
+ bool ICollection.IsSynchronized
+ {
get { return false; }
}
- object ICollection.SyncRoot {
- get {
- if( _syncRoot == null) {
+ object ICollection.SyncRoot
+ {
+ get
+ {
+ if (_syncRoot == null)
+ {
ICollection c = list as ICollection;
- if( c != null) {
+ if (c != null)
+ {
_syncRoot = c.SyncRoot;
}
- else {
- System.Threading.Interlocked.CompareExchange<Object>(ref _syncRoot, new Object(), null);
+ else
+ {
+ System.Threading.Interlocked.CompareExchange<Object>(ref _syncRoot, new Object(), null);
}
}
- return _syncRoot;
+ return _syncRoot;
}
}
- void ICollection.CopyTo(Array array, int index) {
- if (array==null) {
+ 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.Rank != 1)
+ {
+ ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported);
}
- if( array.GetLowerBound(0) != 0 ) {
+ if (array.GetLowerBound(0) != 0)
+ {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound);
}
-
- if (index < 0) {
+
+ if (index < 0)
+ {
ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException();
}
- if (array.Length - index < Count) {
+ if (array.Length - index < Count)
+ {
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
T[] items = array as T[];
- if (items != null) {
+ if (items != null)
+ {
list.CopyTo(items, index);
}
- else {
+ else
+ {
//
// Catch the obvious case assignment will fail.
// We can found all possible problems by doing the check though.
// For example, if the element type of the Array is derived from T,
// we can't figure out if we can successfully copy the element beforehand.
//
- Type targetType = array.GetType().GetElementType();
+ Type targetType = array.GetType().GetElementType();
Type sourceType = typeof(T);
- if(!(targetType.IsAssignableFrom(sourceType) || sourceType.IsAssignableFrom(targetType))) {
+ if (!(targetType.IsAssignableFrom(sourceType) || sourceType.IsAssignableFrom(targetType)))
+ {
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
@@ -156,76 +190,94 @@ namespace System.Collections.ObjectModel
// widening of primitive types here.
//
object[] objects = array as object[];
- if( objects == null) {
+ if (objects == null)
+ {
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
int count = list.Count;
- try {
- for (int i = 0; i < count; i++) {
+ try
+ {
+ for (int i = 0; i < count; i++)
+ {
objects[index++] = list[i];
}
}
- catch(ArrayTypeMismatchException) {
+ catch (ArrayTypeMismatchException)
+ {
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
}
}
- bool IList.IsFixedSize {
+ bool IList.IsFixedSize
+ {
get { return true; }
}
- bool IList.IsReadOnly {
+ bool IList.IsReadOnly
+ {
get { return true; }
}
- object IList.this[int index] {
+ object IList.this[int index]
+ {
get { return list[index]; }
- set {
+ set
+ {
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
}
}
- int IList.Add(object value) {
+ int IList.Add(object value)
+ {
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
return -1;
}
- void IList.Clear() {
- ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
+ void IList.Clear()
+ {
+ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
}
- private static bool IsCompatibleObject(object value) {
+ private static bool IsCompatibleObject(object value)
+ {
// Non-null values are fine. Only accept nulls if T is a class or Nullable<U>.
// Note that default(T) is not equal to null for value types except when T is Nullable<U>.
return ((value is T) || (value == null && default(T) == null));
}
- bool IList.Contains(object value) {
- if(IsCompatibleObject(value)) {
- return Contains((T) value);
+ bool IList.Contains(object value)
+ {
+ if (IsCompatibleObject(value))
+ {
+ return Contains((T)value);
}
return false;
}
- int IList.IndexOf(object value) {
- if(IsCompatibleObject(value)) {
+ int IList.IndexOf(object value)
+ {
+ if (IsCompatibleObject(value))
+ {
return IndexOf((T)value);
}
return -1;
}
- void IList.Insert(int index, object value) {
+ void IList.Insert(int index, object value)
+ {
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
}
- void IList.Remove(object value) {
- ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
+ void IList.Remove(object value)
+ {
+ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
}
- void IList.RemoveAt(int index) {
+ void IList.RemoveAt(int index)
+ {
ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
- }
+ }
}
}