// THIS FILE IS PART OF SVG PROJECT
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// THE SVG PROJECT IS AN OPENSOURCE LIBRARY LICENSED UNDER THE MS-PL License.
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// COPYRIGHT (C) svg-net. ALL RIGHTS RESERVED.
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// GITHUB: https://github.com/svg-net/SVG
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace AntdUI.Svg
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{
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/// <summary>
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/// Specifies the SVG attribute name of the associated property.
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/// </summary>
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[AttributeUsage(AttributeTargets.Property | AttributeTargets.Event)]
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public class SvgAttributeAttribute : System.Attribute
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{
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/// <summary>
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/// Gets a <see cref="string"/> containing the XLink namespace (http://www.w3.org/1999/xlink).
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/// </summary>
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public const string SvgNamespace = "http://www.w3.org/2000/svg";
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public const string XLinkPrefix = "xlink";
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public const string XLinkNamespace = "http://www.w3.org/1999/xlink";
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public const string XmlNamespace = "http://www.w3.org/XML/1998/namespace";
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public static readonly List<KeyValuePair<string, string>> Namespaces = new List<KeyValuePair<string, string>>()
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{
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new KeyValuePair<string, string>("", SvgNamespace),
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new KeyValuePair<string, string>(XLinkPrefix, XLinkNamespace),
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new KeyValuePair<string, string>("xml", XmlNamespace)
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};
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private bool _inAttrDictionary;
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private string _name;
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private string _namespace;
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public override bool Equals(object obj)
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{
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return Match(obj);
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}
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public override int GetHashCode()
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{
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return base.GetHashCode();
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}
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/// <summary>
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/// When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.
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/// </summary>
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/// <param name="obj">An <see cref="T:System.Object"/> to compare with this instance of <see cref="T:System.Attribute"/>.</param>
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/// <returns>
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/// true if this instance equals <paramref name="obj"/>; otherwise, false.
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/// </returns>
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public override bool Match(object obj)
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{
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SvgAttributeAttribute indicator = obj as SvgAttributeAttribute;
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if (indicator == null)
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return false;
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// Always match if either value is String.Empty (wildcard)
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if (indicator.Name == String.Empty)
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return false;
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return String.Compare(indicator.Name, Name) == 0;
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}
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/// <summary>
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/// Gets the name of the SVG attribute.
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/// </summary>
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public string NamespaceAndName
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{
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get
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{
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if (_namespace == SvgNamespace)
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return _name;
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return Namespaces.First(x => x.Value == _namespace).Key + ":" + _name;
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}
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}
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/// <summary>
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/// Gets the name of the SVG attribute.
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/// </summary>
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public string Name
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{
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get { return _name; }
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}
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/// <summary>
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/// Gets the namespace of the SVG attribute.
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/// </summary>
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public string NameSpace
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{
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get { return _namespace; }
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}
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public bool InAttributeDictionary
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{
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get { return _inAttrDictionary; }
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="SvgAttributeAttribute"/> class.
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/// </summary>
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internal SvgAttributeAttribute()
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{
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_name = String.Empty;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="SvgAttributeAttribute"/> class with the specified attribute name.
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/// </summary>
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/// <param name="name">The name of the SVG attribute.</param>
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internal SvgAttributeAttribute(string name)
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{
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_name = name;
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_namespace = SvgNamespace;
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}
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internal SvgAttributeAttribute(string name, bool inAttrDictionary)
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{
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_name = name;
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_namespace = SvgNamespace;
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_inAttrDictionary = inAttrDictionary;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="SvgAttributeAttribute"/> class with the specified SVG attribute name and namespace.
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/// </summary>
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/// <param name="name">The name of the SVG attribute.</param>
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/// <param name="nameSpace">The namespace of the SVG attribute (e.g. http://www.w3.org/2000/svg).</param>
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public SvgAttributeAttribute(string name, string nameSpace)
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{
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_name = name;
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_namespace = nameSpace;
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}
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}
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}
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