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CodeElement.cs
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CodeElement.cs
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//===============================================================================================================
// System : Sandcastle Tools - Sandcastle Tools Core Class Library
// File : CodeElement.cs
// Author : Eric Woodruff (Eric@EWoodruff.us)
// Updated : 07/28/2022
// Note : Copyright 2022, Eric Woodruff, All rights reserved
//
// This file contains the class used to handle code elements in markdown presentation styles
//
// This code is published under the Microsoft Public License (Ms-PL). A copy of the license should be
// distributed with the code and can be found at the project website: https://GitHub.com/EWSoftware/SHFB. This
// notice, the author's name, and all copyright notices must remain intact in all applications, documentation,
// and source files.
//
// Date Who Comments
// ==============================================================================================================
// 07/28/2022 EFW Created the code
//===============================================================================================================
using System;
using System.Xml.Linq;
namespace Sandcastle.Core.PresentationStyle.Transformation.Elements.Markdown
{
/// <summary>
/// This is used to handle <c>code</c> and <c>snippet</c> elements in a topic for markdown presentation
/// styles.
/// </summary>
public class CodeElement : Element
{
#region Constructor
//=====================================================================
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">The element name</param>
public CodeElement(string name) : base(name)
{
}
#endregion
#region Methods
//=====================================================================
/// <inheritdoc />
public override void Render(TopicTransformationCore transformation, XElement element)
{
if(transformation == null)
throw new ArgumentNullException(nameof(transformation));
if(element == null)
throw new ArgumentNullException(nameof(element));
string language = element.Attribute("language")?.Value, title = element.Attribute("title")?.Value;
transformation.CurrentElement.Add("\n\n");
if(!String.IsNullOrWhiteSpace(title) || (title == null && !String.IsNullOrWhiteSpace(language) &&
!language.Equals("other", StringComparison.OrdinalIgnoreCase) &&
!language.Equals("none", StringComparison.OrdinalIgnoreCase)))
{
XNode content;
if(title != null)
content = new XText(title);
else
{
content = new XElement("include",
new XAttribute("item", $"devlang_{language}"),
new XAttribute("undefined", language));
}
transformation.CurrentElement.Add("**", content, "** \n");
}
transformation.CurrentElement.Add("```");
if(!String.IsNullOrWhiteSpace(language) &&
!language.Equals("other", StringComparison.OrdinalIgnoreCase) &&
!language.Equals("none", StringComparison.OrdinalIgnoreCase))
{
transformation.CurrentElement.Add(" ", new XElement("include",
new XAttribute("item", $"devlang_{language}"),
new XAttribute("undefined", language)), "\n");
}
transformation.RenderChildElements(transformation.CurrentElement, element.Nodes());
transformation.CurrentElement.Add("\n```\n");
}
#endregion
}
}