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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections;
using System.Linq;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Primitives;
namespace Microsoft.AspNetCore.Owin;
internal sealed class DictionaryStringArrayWrapper : IDictionary<string, string[]>
{
public DictionaryStringArrayWrapper(IHeaderDictionary inner)
{
Inner = inner;
}
public readonly IHeaderDictionary Inner;
private static KeyValuePair<string, StringValues> Convert(KeyValuePair<string, string[]> item) => new KeyValuePair<string, StringValues>(item.Key, item.Value);
private static KeyValuePair<string, string[]> Convert(KeyValuePair<string, StringValues> item) => new KeyValuePair<string, string[]>(item.Key, item.Value);
private string[] Convert(StringValues item) => item;
string[] IDictionary<string, string[]>.this[string key]
{
get { return ((IDictionary<string, StringValues>)Inner)[key]; }
set { Inner[key] = value; }
}
int ICollection<KeyValuePair<string, string[]>>.Count => Inner.Count;
bool ICollection<KeyValuePair<string, string[]>>.IsReadOnly => Inner.IsReadOnly;
ICollection<string> IDictionary<string, string[]>.Keys => Inner.Keys;
ICollection<string[]> IDictionary<string, string[]>.Values => Inner.Values.Select(Convert).ToList();
void ICollection<KeyValuePair<string, string[]>>.Add(KeyValuePair<string, string[]> item) => Inner.Add(Convert(item));
void IDictionary<string, string[]>.Add(string key, string[] value) => Inner.Add(key, value);
void ICollection<KeyValuePair<string, string[]>>.Clear() => Inner.Clear();
bool ICollection<KeyValuePair<string, string[]>>.Contains(KeyValuePair<string, string[]> item) => Inner.Contains(Convert(item));
bool IDictionary<string, string[]>.ContainsKey(string key) => Inner.ContainsKey(key);
void ICollection<KeyValuePair<string, string[]>>.CopyTo(KeyValuePair<string, string[]>[] array, int arrayIndex)
{
foreach (var kv in Inner)
{
array[arrayIndex++] = Convert(kv);
}
}
IEnumerator IEnumerable.GetEnumerator() => Inner.Select(Convert).GetEnumerator();
IEnumerator<KeyValuePair<string, string[]>> IEnumerable<KeyValuePair<string, string[]>>.GetEnumerator() => Inner.Select(Convert).GetEnumerator();
bool ICollection<KeyValuePair<string, string[]>>.Remove(KeyValuePair<string, string[]> item) => Inner.Remove(Convert(item));
bool IDictionary<string, string[]>.Remove(string key) => Inner.Remove(key);
bool IDictionary<string, string[]>.TryGetValue(string key, out string[] value)
{
StringValues temp;
if (Inner.TryGetValue(key, out temp))
{
value = temp;
return true;
}
value = default(StringValues);
return false;
}
}
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