60 lines
1.9 KiB
C#
60 lines
1.9 KiB
C#
using System;
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using System.Collections.Generic;
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namespace mustache
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{
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/// <summary>
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/// Defines a tag that changes the scope to the object passed as an argument.
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/// </summary>
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internal sealed class WithTagDefinition : TagDefinition
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{
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private const string contextParameter = "context";
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/// <summary>
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/// Initializes a new instance of a WithTagDefinition.
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/// </summary>
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public WithTagDefinition()
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: base("with", true)
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{
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}
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/// <summary>
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/// Gets the parameters that can be passed to the tag.
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/// </summary>
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/// <returns>The parameters.</returns>
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protected override TagParameter[] GetParameters()
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{
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return new TagParameter[] { new TagParameter(contextParameter) { IsRequired = true } };
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}
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/// <summary>
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/// Gets whether the tag has content.
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/// </summary>
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public override bool HasBody
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{
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get { return true; }
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}
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/// <summary>
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/// Gets the tags that come into scope within the tag.
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/// </summary>
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/// <returns>The child tag.</returns>
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protected override TagDefinition[] GetChildTags()
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{
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return new TagDefinition[0];
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}
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/// <summary>
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/// Gets the scopes to use for generating the tag's content.
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/// </summary>
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/// <param name="scope">The current scope.</param>
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/// <param name="arguments">The arguments that were passed to the tag.</param>
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/// <returns>The scopes to use for generating the tag's content.</returns>
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public override IEnumerable<KeyScope> GetChildScopes(KeyScope scope, Dictionary<string, object> arguments)
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{
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object context = arguments[contextParameter];
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yield return scope.CreateChildScope(context);
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}
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}
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}
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