83 lines
2.5 KiB
C#
83 lines
2.5 KiB
C#
using Humanizer;
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using Markdig.Renderers;
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using Markdig.Renderers.Html;
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namespace OliverBooth.Markdown.Callout;
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/// <summary>
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/// Represents an HTML renderer which renders a <see cref="CalloutBlock" />.
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/// </summary>
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internal sealed class CalloutRenderer : HtmlObjectRenderer<CalloutBlock>
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{
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private static readonly Dictionary<string, string> CalloutTypes = new()
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{
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["NOTE"] = "pencil",
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["ABSTRACT"] = "clipboard-list",
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["INFO"] = "info",
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["TODO"] = "circle-check",
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["TIP"] = "flame",
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["SUCCESS"] = "check",
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["QUESTION"] = "circle-help",
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["WARNING"] = "triangle-alert",
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["FAILURE"] = "x",
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["DANGER"] = "zap",
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["BUG"] = "bug",
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["EXAMPLE"] = "list",
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["CITE"] = "quote",
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["UPDATE"] = "calendar-check",
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};
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/// <inheritdoc />
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protected override void Write(HtmlRenderer renderer, CalloutBlock block)
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{
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renderer.EnsureLine();
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if (renderer.EnableHtmlForBlock)
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{
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RenderAsHtml(renderer, block);
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}
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else
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{
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RenderAsText(renderer, block);
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}
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renderer.EnsureLine();
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}
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private static void RenderAsHtml(HtmlRenderer renderer, CalloutBlock block)
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{
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string title = block.Title.Text;
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ReadOnlySpan<char> type = block.Type.AsSpan();
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Span<char> upperType = stackalloc char[type.Length];
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type.ToUpperInvariant(upperType);
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if (!CalloutTypes.TryGetValue(upperType.ToString(), out string? lucideClass))
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{
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lucideClass = "pencil";
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}
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var typeString = type.ToString().ToLowerInvariant();
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renderer.Write($"<div class=\"callout\" data-callout=\"{typeString}\">");
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renderer.Write("<div class=\"callout-title\"><i data-lucide=\"");
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renderer.Write(lucideClass);
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renderer.Write("\"></i> ");
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renderer.Write(title.Length == 0 ? typeString.Humanize(LetterCasing.Sentence) : title);
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renderer.WriteLine("</div>");
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renderer.WriteChildren(block);
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renderer.WriteLine("</div>");
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renderer.EnsureLine();
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}
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private static void RenderAsText(HtmlRenderer renderer, CalloutBlock block)
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{
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string title = block.Title.Text;
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ReadOnlySpan<char> type = block.Type.AsSpan();
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renderer.WriteLine(title.Length == 0 ? type.ToString().ToUpperInvariant() : title.ToUpperInvariant());
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renderer.WriteChildren(block);
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renderer.EnsureLine();
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}
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}
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