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// ExtensionNodeChildAttribute.cs
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// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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/// Declares allowed children of an extension node type.
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/// This attribute allows declaring the type of children that an extension node can have.
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[AttributeUsage (AttributeTargets.Class, AllowMultiple=true)]
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public class ExtensionNodeChildAttribute: Attribute
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Type extensionNodeType;
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string extensionNodeTypeName;
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/// Initializes a new instance
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/// <param name="nodeName">
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/// Name of the allowed child extension node.
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public ExtensionNodeChildAttribute (string nodeName)
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: this (typeof(TypeExtensionNode), nodeName)
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/// Initializes a new instance
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/// <param name="extensionNodeType">
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/// Type of the allowed child extension node.
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public ExtensionNodeChildAttribute (Type extensionNodeType)
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: this (extensionNodeType, null)
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/// Initializes a new instance
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/// <param name="extensionNodeType">
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/// Type of the allowed child extension node.
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/// <param name="nodeName">
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/// Name of the allowed child extension node.
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public ExtensionNodeChildAttribute (Type extensionNodeType, string nodeName)
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ExtensionNodeType = extensionNodeType;
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this.nodeName = nodeName;
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/// Name of the allowed child extension node.
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public string NodeName {
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get { return nodeName != null ? nodeName : string.Empty; }
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set { nodeName = value; }
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/// Type of the allowed child extension node.
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public Type ExtensionNodeType {
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get { return extensionNodeType; }
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set { extensionNodeType = value; extensionNodeTypeName = value.FullName; }
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internal string ExtensionNodeTypeName {
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get { return extensionNodeTypeName; }
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set { extensionNodeTypeName = value; extensionNodeType = null; }