52 lines
1.6 KiB
C#
52 lines
1.6 KiB
C#
// -----------------------------------------------------------------------
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// <copyright file="DictionaryExtensions.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// -----------------------------------------------------------------------
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using System;
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using System.Linq;
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using System.Text;
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namespace System.Collections.Generic
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{
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internal static class DictionaryExtensions
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{
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internal static void Append(this IDictionary<string, string[]> dictionary, string key, string value)
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{
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string[] orriginalValues;
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if (dictionary.TryGetValue(key, out orriginalValues))
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{
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string[] newValues = new string[orriginalValues.Length + 1];
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orriginalValues.CopyTo(newValues, 0);
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newValues[newValues.Length - 1] = value;
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dictionary[key] = newValues;
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}
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else
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{
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dictionary[key] = new string[] { value };
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}
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}
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internal static string Get(this IDictionary<string, string[]> dictionary, string key)
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{
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string[] values;
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if (dictionary.TryGetValue(key, out values))
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{
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return string.Join(", ", values);
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}
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return null;
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}
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internal static T Get<T>(this IDictionary<string, object> dictionary, string key, T fallback = default(T))
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{
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object values;
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if (dictionary.TryGetValue(key, out values))
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{
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return (T)values;
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}
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return fallback;
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}
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}
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}
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