AutoPatientInfoRecorder/src/AntdUI/Lib/SVG/SvgAttributeCollection.cs

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// THIS FILE IS PART OF SVG PROJECT
// THE SVG PROJECT IS AN OPENSOURCE LIBRARY LICENSED UNDER THE MS-PL License.
// COPYRIGHT (C) svg-net. ALL RIGHTS RESERVED.
// GITHUB: https://github.com/svg-net/SVG

using System;
using System.Collections.Generic;

namespace AntdUI.Svg
{
    /// <summary>
    /// A collection of Scalable Vector Attributes that can be inherited from the owner elements ancestors.
    /// </summary>
    public sealed class SvgAttributeCollection : Dictionary<string, object>
    {
        private SvgElement _owner;

        /// <summary>
        /// Initialises a new instance of a <see cref="SvgAttributeCollection"/> with the given <see cref="SvgElement"/> as the owner.
        /// </summary>
        /// <param name="owner">The <see cref="SvgElement"/> owner of the collection.</param>
        public SvgAttributeCollection(SvgElement owner)
        {
            _owner = owner;
        }

        /// <summary>
        /// Gets the attribute with the specified name.
        /// </summary>
        /// <typeparam name="TAttributeType">The type of the attribute value.</typeparam>
        /// <param name="attributeName">A <see cref="string"/> containing the name of the attribute.</param>
        /// <returns>The attribute value if available; otherwise the default value of <typeparamref name="TAttributeType"/>.</returns>
        public TAttributeType GetAttribute<TAttributeType>(string attributeName)
        {
            if (ContainsKey(attributeName) && base[attributeName] != null)
            {
                return (TAttributeType)base[attributeName];
            }

            return GetAttribute<TAttributeType>(attributeName, default(TAttributeType));
        }

        /// <summary>
        /// Gets the attribute with the specified name.
        /// </summary>
        /// <typeparam name="T">The type of the attribute value.</typeparam>
        /// <param name="attributeName">A <see cref="string"/> containing the name of the attribute.</param>
        /// <param name="defaultValue">The value to return if a value hasn't already been specified.</param>
        /// <returns>The attribute value if available; otherwise the default value of <typeparamref name="T"/>.</returns>
        public T GetAttribute<T>(string attributeName, T defaultValue)
        {
            if (ContainsKey(attributeName) && base[attributeName] != null)
            {
                return (T)base[attributeName];
            }

            return defaultValue;
        }

        /// <summary>