Files
crtr/Assets/Cryville/Common/Collections/Generic/PairCollection.cs
2023-03-26 23:25:20 +08:00

47 lines
1.7 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
namespace Cryville.Common.Collections.Generic {
[DebuggerDisplay("Count = {Count}"), DebuggerTypeProxy(typeof(PairCollectionDebugView<,>))]
public struct PairCollection<TKey, TValue> : IDisposable {
public void Dispose() { }
readonly IPairList<TKey, TValue> _pairList;
readonly IDictionary<TKey, TValue> _dictionary;
public PairCollection(object collection) : this() {
var type = collection.GetType();
if (typeof(IPairList<TKey, TValue>).IsAssignableFrom(type)) _pairList = (IPairList<TKey, TValue>)collection;
else if (typeof(IDictionary<TKey, TValue>).IsAssignableFrom(type)) _dictionary = (IDictionary<TKey, TValue>)collection;
else throw new ArgumentException("Parameter is not a pair collection");
}
public int Count {
get {
if (_pairList != null) return _pairList.Count;
else return _dictionary.Count;
}
}
public void Add(TKey key, TValue value) {
if (_pairList != null) _pairList.Add(key, value);
else _dictionary.Add(key, value);
}
public void CopyTo(KeyValuePair<TKey, TValue>[] array, int index) {
if (_pairList != null) _pairList.CopyTo(array, index);
else _dictionary.CopyTo(array, index);
}
}
internal class PairCollectionDebugView<TKey, TValue> {
readonly PairCollection<TKey, TValue> _self;
public PairCollectionDebugView(PairCollection<TKey, TValue> self) {
_self = self;
}
[DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
public KeyValuePair<TKey, TValue>[] Items {
get {
KeyValuePair<TKey, TValue>[] array = new KeyValuePair<TKey, TValue>[_self.Count];
_self.CopyTo(array, 0);
return array;
}
}
}
}