88 lines
2.7 KiB
C#
88 lines
2.7 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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namespace Microsoft.AspNet.Routing
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{
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/// <summary>
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/// Information about the current routing path.
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/// </summary>
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public class RouteData
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{
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private Dictionary<string, object> _dataTokens;
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private RouteValueDictionary _values;
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/// <summary>
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/// Creates a new <see cref="RouteData"/> instance.
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/// </summary>
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public RouteData()
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{
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// Perf: Avoid allocating DataTokens and RouteValues unless needed.
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Routers = new List<IRouter>();
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}
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/// <summary>
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/// Creates a new <see cref="RouteData"/> instance with values copied from <paramref name="other"/>.
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/// </summary>
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/// <param name="other">The other <see cref="RouteData"/> instance to copy.</param>
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public RouteData(RouteData other)
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{
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if (other == null)
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{
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throw new ArgumentNullException(nameof(other));
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}
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Routers = new List<IRouter>(other.Routers);
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// Perf: Avoid allocating DataTokens and RouteValues unless we need to make a copy.
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if (other._dataTokens != null)
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{
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_dataTokens = new Dictionary<string, object>(other._dataTokens, StringComparer.OrdinalIgnoreCase);
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}
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if (other._values != null)
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{
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_values = new RouteValueDictionary(other._values);
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}
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}
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/// <summary>
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/// Gets the data tokens produced by routes on the current routing path.
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/// </summary>
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public IDictionary<string, object> DataTokens
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{
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get
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{
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if (_dataTokens == null)
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{
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_dataTokens = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase);
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}
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return _dataTokens;
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}
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}
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/// <summary>
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/// Gets the list of <see cref="IRouter"/> instances on the current routing path.
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/// </summary>
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public List<IRouter> Routers { get; }
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/// <summary>
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/// Gets the set of values produced by routes on the current routing path.
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/// </summary>
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public IDictionary<string, object> Values
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{
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get
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{
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if (_values == null)
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{
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_values = new RouteValueDictionary();
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}
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return _values;
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}
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}
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}
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} |