TextRun.cs

/*
 * NanoXLSX is a small .NET library to generate and read XLSX (Microsoft Excel 2007 or newer) files in an easy and native way  
 * Copyright Raphael Stoeckli © 2026
 * This library is licensed under the MIT License.
 * You find a copy of the license in project folder or on: http://opensource.org/licenses/MIT
 */
 
using System.Collections.Generic;
using NanoXLSX.Styles;
using NanoXLSX.Utils.Xml;
 
// TODO: Consider changing this namespace in a future major release.
namespace NanoXLSX.Extensions
{
    public class TextRun
    {
        private string text;

        public string Text
        {
            get { return text; }
            set
            {
                if (value == null)
                {
                    throw new Exceptions.FormatException("The text of a text run cannot be null");
                }
                text = XmlUtils.SanitizeXmlValue(value); ;
            }
        }

        public Font FontStyle { get; set; }

        public TextRun(string text, Font fontStyle = null)
        {
            Text = text;
            FontStyle = fontStyle;
        }

        public TextRun Copy()
        {
            return new TextRun(this.Text, this.FontStyle?.CopyFont());
        }

        public override bool Equals(object obj)
        {
            if (!(obj is TextRun run))
                return false;
 
            return text == run.text &&
                   ((FontStyle == null && run.FontStyle == null) ||
                    (FontStyle != null && FontStyle.Equals(run.FontStyle)));
        }
 

        public override int GetHashCode()
        {
            var hashCode = 1049193379;
            hashCode = hashCode * -1521134295 + EqualityComparer<string>.Default.GetHashCode(text);
            hashCode = hashCode * -1521134295 + EqualityComparer<Font>.Default.GetHashCode(FontStyle);
            return hashCode;
        }
    }
}