mcs/class/referencesource/mscorlib/system/collections/generic/debugview.cs

   1 // ==++==
   2 //
   3 //   Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 // ==--==
   6 /*=============================================================================
   7 **
   8 **
   9 **
  10 ** Purpose: DebugView class for generic collections
  11 **
  12 ** <OWNER>Microsoft</OWNER>
  13 **
  14 **
  15 =============================================================================*/
  16
  17 namespace System.Collections.Generic {
  18     using System;
  19     using System.Collections.ObjectModel;
  20     using System.Security.Permissions;
  21     using System.Diagnostics;
  22     using System.Diagnostics.Contracts;
  23
  24     //
  25     // VS IDE can't differentiate between types with the same name from different
  26     // assembly. So we need to use different names for collection debug view for
  27     // collections in mscorlib.dll and system.dll.
  28     //
  29     internal sealed class Mscorlib_CollectionDebugView<T> {
  30         private ICollection<T> collection;
  31
  32         public Mscorlib_CollectionDebugView(ICollection<T> collection) {
  33             if (collection == null)
  34                 ThrowHelper.ThrowArgumentNullException(ExceptionArgument.collection);
  35
  36                 this.collection = collection;
  37         }
  38
  39         [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
  40         public T[] Items   {
  41             get {
  42                 T[] items = new T[collection.Count];
  43                 collection.CopyTo(items, 0);
  44                 return items;
  45             }
  46         }
  47     }
  48
  49     internal sealed class Mscorlib_DictionaryKeyCollectionDebugView<TKey, TValue> {
  50         private ICollection<TKey> collection;
  51
  52         public Mscorlib_DictionaryKeyCollectionDebugView(ICollection<TKey> collection) {
  53             if (collection == null)
  54                 ThrowHelper.ThrowArgumentNullException(ExceptionArgument.collection);
  55
  56                 this.collection = collection;
  57         }
  58
  59         [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
  60         public TKey[] Items   {
  61             get {
  62                 TKey[] items = new TKey[collection.Count];
  63                 collection.CopyTo(items, 0);
  64                 return items;
  65             }
  66         }
  67     }
  68
  69     internal sealed class Mscorlib_DictionaryValueCollectionDebugView<TKey, TValue> {
  70         private ICollection<TValue> collection;
  71
  72         public Mscorlib_DictionaryValueCollectionDebugView(ICollection<TValue> collection) {
  73             if (collection == null)
  74                 ThrowHelper.ThrowArgumentNullException(ExceptionArgument.collection);
  75
  76                 this.collection = collection;
  77         }
  78
  79         [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
  80         public TValue[] Items   {
  81             get {
  82                 TValue[] items = new TValue[collection.Count];
  83                 collection.CopyTo(items, 0);
  84                 return items;
  85             }
  86         }
  87     }
  88
  89     internal sealed class Mscorlib_DictionaryDebugView<K, V> {
  90         private IDictionary<K, V> dict;
  91
  92         public Mscorlib_DictionaryDebugView(IDictionary<K, V> dictionary) {
  93             if (dictionary == null)
  94                 ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary);
  95
  96                 this.dict = dictionary;
  97         }
  98
  99         [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
 100         public KeyValuePair<K, V>[] Items   {
 101             get {
 102                 KeyValuePair<K, V>[] items = new KeyValuePair<K, V>[dict.Count];
 103                 dict.CopyTo(items, 0);
 104                 return items;
 105             }
 106         }
 107     }
 108
 109     internal sealed class Mscorlib_KeyedCollectionDebugView<K, T> {
 110         private KeyedCollection<K, T> kc;
 111
 112         public Mscorlib_KeyedCollectionDebugView(KeyedCollection<K, T> keyedCollection) {
 113             if (keyedCollection == null) {
 114                 throw new ArgumentNullException("keyedCollection");
 115             }
 116             Contract.EndContractBlock();
 117
 118             kc = keyedCollection;
 119         }
 120
 121         [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
 122         public T[] Items   {
 123             get {
 124                 T[] items = new T[kc.Count];
 125                 kc.CopyTo(items, 0);
 126                 return items;
 127             }
 128         }
 129     }
 130 }