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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Web.Mvc;
namespace Microsoft.Web.UnitTestUtil
{
// just a simple value provider used for unit testing
public sealed class SimpleValueProvider : Dictionary<string, object>, IValueProvider
{
private readonly CultureInfo _culture;
public SimpleValueProvider()
: this(null)
{
}
public SimpleValueProvider(CultureInfo culture)
: base(StringComparer.OrdinalIgnoreCase)
{
_culture = culture ?? CultureInfo.InvariantCulture;
}
// copied from ValueProviderUtil
public bool ContainsPrefix(string prefix)
{
foreach (string key in Keys)
{
if (key != null)
{
if (prefix.Length == 0)
{
return true; // shortcut - non-null key matches empty prefix
}
if (key.StartsWith(prefix, StringComparison.OrdinalIgnoreCase))
{
if (key.Length == prefix.Length)
{
return true; // exact match
}
else
{
switch (key[prefix.Length])
{
case '.': // known separator characters
case '[':
return true;
}
}
}
}
}
return false; // nothing found
}
public ValueProviderResult GetValue(string key)
{
object rawValue;
if (TryGetValue(key, out rawValue))
{
return new ValueProviderResult(rawValue, Convert.ToString(rawValue, _culture), _culture);
}
else
{
// value not found
return null;
}
}
}
}
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