FootnoteReference.cs

using System.Threading.Tasks;
using Waher.Content.Markdown.Model.BlockElements;
using Waher.Content.Markdown.Rendering;
 
namespace Waher.Content.Markdown.Model.SpanElements
{
    public class FootnoteReference : MarkdownElement
    {
        private readonly string key;
        private bool autoExpand;
 
        public FootnoteReference(MarkdownDocument Document, string Key)
            : base(Document)
        {
            this.key = Key;
            this.autoExpand = false;
        }
 
        public string Key => this.key;
 
        public bool AutoExpand
        {
            get => this.autoExpand;
            internal set => this.autoExpand = value;
        }
 
        public override Task Render(IRenderer Output) => Output.Render(this);
 
        public override string ToString()
        {
            return this.key;
        }
 
        public override bool InlineSpanElement
        {
            get
            {
                if (this.autoExpand && (this.Document?.TryGetFootnote(this.key, out Footnote Footnote) ?? false))
                    return Footnote.InlineSpanElement;
                else
                    return true;
            }
        }
 
        public override bool Equals(object obj)
        {
            return obj is FootnoteReference x &&
                this.key == x.key &&
                this.autoExpand == x.autoExpand &&
                base.Equals(obj);
        }
 
        public override int GetHashCode()
        {
            int h1 = base.GetHashCode();
            int h2 = this.key?.GetHashCode() ?? 0;
            int h3 = this.autoExpand.GetHashCode();
 
            h1 = ((h1 << 5) + h1) ^ h2;
            h1 = ((h1 << 5) + h1) ^ h3;
 
            return h1;
        }
 
        public override void IncrementStatistics(MarkdownStatistics Statistics)
        {
            Statistics.NrFootnoteReference++;
        }
    }
}