55 lines
1.9 KiB
C#
55 lines
1.9 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Collections.Generic;
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using System.IO;
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using Microsoft.AspNetCore.Html;
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namespace Microsoft.AspNetCore.Razor.TagHelpers.Testing
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{
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internal class CaseSensitiveTagHelperAttributeComparer : IEqualityComparer<TagHelperAttribute>
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{
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public readonly static CaseSensitiveTagHelperAttributeComparer Default =
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new CaseSensitiveTagHelperAttributeComparer();
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private CaseSensitiveTagHelperAttributeComparer()
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{
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}
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public bool Equals(TagHelperAttribute attributeX, TagHelperAttribute attributeY)
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{
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if (attributeX == attributeY)
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{
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return true;
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}
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// Normal comparer (TagHelperAttribute.Equals()) doesn't care about the Name case, in tests we do.
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return attributeX != null &&
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string.Equals(attributeX.Name, attributeY.Name, StringComparison.Ordinal) &&
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attributeX.ValueStyle == attributeY.ValueStyle &&
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(attributeX.ValueStyle == HtmlAttributeValueStyle.Minimized ||
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string.Equals(GetString(attributeX.Value), GetString(attributeY.Value)));
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}
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public int GetHashCode(TagHelperAttribute attribute)
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{
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return attribute.GetHashCode();
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}
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private string GetString(object value)
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{
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var htmlContent = value as IHtmlContent;
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if (htmlContent != null)
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{
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using (var writer = new StringWriter())
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{
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htmlContent.WriteTo(writer, NullHtmlEncoder.Default);
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return writer.ToString();
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}
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}
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return value?.ToString() ?? string.Empty;
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}
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}
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} |