65 lines
1.9 KiB
C#
65 lines
1.9 KiB
C#
using System;
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using System.ComponentModel;
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using System.Linq;
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namespace Umbraco.Core
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{
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/// <summary>
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/// Represents a string-based entity identifier.
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/// </summary>
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[TypeConverter(typeof(UdiTypeConverter))]
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public class StringUdi : Udi
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{
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/// <summary>
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/// The string part of the identifier.
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/// </summary>
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public string Id { get; private set; }
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/// <summary>
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/// Initializes a new instance of the StringUdi class with an entity type and a string id.
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/// </summary>
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/// <param name="entityType">The entity type part of the udi.</param>
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/// <param name="id">The string id part of the udi.</param>
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public StringUdi(string entityType, string id)
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: base(entityType, "umb://" + entityType + "/" + EscapeUriString(id))
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{
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Id = id;
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}
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/// <summary>
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/// Initializes a new instance of the StringUdi class with a uri value.
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/// </summary>
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/// <param name="uriValue">The uri value of the udi.</param>
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public StringUdi(Uri uriValue)
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: base(uriValue)
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{
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Id = Uri.UnescapeDataString(uriValue.AbsolutePath.TrimStart('/'));
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}
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private static string EscapeUriString(string s)
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{
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// Uri.EscapeUriString preserves / but also [ and ] which is bad
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// Uri.EscapeDataString does not preserve / which is bad
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// reserved = : / ? # [ ] @ ! $ & ' ( ) * + , ; =
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// unreserved = alpha digit - . _ ~
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// we want to preserve the / and the unreserved
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// so...
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return string.Join("/", s.Split('/').Select(Uri.EscapeDataString));
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}
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/// <inheritdoc/>
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public override bool IsRoot
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{
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get { return Id == string.Empty; }
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}
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public StringUdi EnsureClosed()
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{
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EnsureNotRoot();
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return this;
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}
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}
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}
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