PowerShell/src/Microsoft.PowerShell.MarkdownRender/FencedCodeBlockRenderer.cs

42 lines
1.5 KiB
C#

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System;
using Markdig.Helpers;
using Markdig.Syntax;
namespace Microsoft.PowerShell.MarkdownRender
{
/// <summary>
/// Renderer for adding VT100 escape sequences for code blocks with language type.
/// </summary>
internal class FencedCodeBlockRenderer : VT100ObjectRenderer<FencedCodeBlock>
{
protected override void Write(VT100Renderer renderer, FencedCodeBlock obj)
{
if (obj?.Lines.Lines != null)
{
foreach (StringLine codeLine in obj.Lines.Lines)
{
if (!string.IsNullOrWhiteSpace(codeLine.ToString()))
{
// If the code block is of type YAML, then tab to right to improve readability.
// This specifically helps for parameters help content.
if (string.Equals(obj.Info, "yaml", StringComparison.OrdinalIgnoreCase))
{
renderer.Write("\t").WriteLine(codeLine.ToString());
}
else
{
renderer.WriteLine(renderer.EscapeSequences.FormatCode(codeLine.ToString(), isInline: false));
}
}
}
// Add a blank line after the code block for better readability.
renderer.WriteLine();
}
}
}
}