35 lines
1,008 B
C#
35 lines
1,008 B
C#
using Markdig;
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using Markdig.Renderers;
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using MfGames.Markdown.Gemtext.Renderers;
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using MfGames.Markdown.Gemtext.Renderers.Gemtext.Blocks;
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namespace MfGames.Markdown.Gemtext.Extensions;
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/// <summary>
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/// Extension method to control the depth of the headers in a file so that
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/// the first one (maybe a header) is H1 but the others are decreased to
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/// H2 or lower depending on their initial level.
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/// </summary>
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/// <seealso cref="IMarkdownExtension" />
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public class IncreaseHeaderDepthsAfterFirst : IMarkdownExtension
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{
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/// <inheritdoc />
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public void Setup(MarkdownPipelineBuilder pipeline) { }
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/// <inheritdoc />
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public void Setup(MarkdownPipeline pipeline, IMarkdownRenderer renderer)
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{
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if (renderer is not GemtextRenderer gemtext)
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{
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return;
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}
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HeadingRenderer? heading = gemtext.ObjectRenderers.Find<HeadingRenderer>();
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if (heading != null)
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{
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heading.IncreaseHeaderDepthAfterFirst = true;
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}
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}
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}
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