public bool Render(HtmlRenderer renderer, MarkdownObject markdownObject, Action <string> logWarning)
{
var block = (TripleColonBlock)markdownObject;
block.Attributes.TryGetValue("id", out var currentId); //it's okay if this is null
block.Attributes.TryGetValue("range", out var currentRange); //it's okay if this is null
block.Attributes.TryGetValue("source", out var currentSource); //source has already been checked above
var(code, codePath) = _context.ReadFile(currentSource, block);
if (string.IsNullOrEmpty(code))
{
logWarning($"The code snippet \"{currentSource}\" could not be found.");
return(false);
}
//var updatedCode = GetCodeSnippet(currentRange, currentId, code, logError).TrimEnd();
var htmlCodeSnippetRenderer = new HtmlCodeSnippetRenderer(_context);
var snippet = new CodeSnippet(null);
snippet.CodePath = currentSource;
snippet.TagName = currentId;
HtmlCodeSnippetRenderer.TryGetLineRanges(currentRange, out var ranges);
snippet.CodeRanges = ranges;
var updatedCode = htmlCodeSnippetRenderer.GetContent(code, snippet);
updatedCode = ExtensionsHelper.Escape(updatedCode).TrimEnd();
if (updatedCode == string.Empty)
{
logWarning($"It looks like your code snippet was not rendered. Try range instead.");
return(false);
}
renderer.WriteLine("<pre>");
renderer.Write("<code").WriteAttributes(block).Write(">");
renderer.WriteLine(updatedCode);
renderer.WriteLine("</code></pre>");
return(true);
}
public bool TryProcessAttributes(IDictionary <string, string> attributes, out HtmlAttributes htmlAttributes, out IDictionary <string, string> renderProperties, Action <string> logError, Action <string> logWarning, TripleColonBlock block)
{
htmlAttributes = null;
renderProperties = new Dictionary <string, string>();
var source = string.Empty;
var range = string.Empty;
var id = string.Empty;
var highlight = string.Empty;
var language = string.Empty;
var interactive = string.Empty;
foreach (var attribute in attributes)
{
var name = attribute.Key;
var value = attribute.Value;
switch (name)
{
case "source":
source = value;
break;
case "range":
range = value;
break;
case "id":
id = value;
break;
case "highlight":
highlight = value;
break;
case "language":
language = value;
break;
case "interactive":
interactive = value;
break;
default:
logError($"Unexpected attribute \"{name}\".");
return(false);
}
}
if (string.IsNullOrEmpty(source))
{
logError("source is a required attribute. Please ensure you have specified a source attribute");
return(false);
}
if (string.IsNullOrEmpty(language))
{
language = InferLanguageFromFile(source, logError);
}
htmlAttributes = new HtmlAttributes();
htmlAttributes.AddProperty("class", $"lang-{language}");
if (!string.IsNullOrEmpty(interactive))
{
htmlAttributes.AddProperty("data-interactive", language);
htmlAttributes.AddProperty("data-interactive-mode", interactive);
}
if (!string.IsNullOrEmpty(highlight))
{
htmlAttributes.AddProperty("highlight-lines", highlight);
}
RenderDelegate = (renderer, obj) =>
{
var currentId = string.Empty;
var currentRange = string.Empty;
var currentSource = string.Empty;
obj.Attributes.TryGetValue("id", out currentId); //it's okay if this is null
obj.Attributes.TryGetValue("range", out currentRange); //it's okay if this is null
obj.Attributes.TryGetValue("source", out currentSource); //source has already been checked above
var(code, codePath) = _context.ReadFile(currentSource, obj);
if (string.IsNullOrEmpty(code))
{
logWarning($"The code snippet \"{currentSource}\" could not be found.");
return(false);
}
//var updatedCode = GetCodeSnippet(currentRange, currentId, code, logError).TrimEnd();
var htmlCodeSnippetRenderer = new HtmlCodeSnippetRenderer(_context);
var snippet = new CodeSnippet(null);
snippet.CodePath = source;
snippet.TagName = currentId;
List <CodeRange> ranges;
HtmlCodeSnippetRenderer.TryGetLineRanges(currentRange, out ranges);
snippet.CodeRanges = ranges;
var updatedCode = htmlCodeSnippetRenderer.GetContent(code, snippet);
updatedCode = ExtensionsHelper.Escape(updatedCode).TrimEnd();
if (updatedCode == string.Empty)
{
return(false);
}
renderer.WriteLine("<pre>");
renderer.Write("<code").WriteAttributes(obj).Write(">");
renderer.WriteLine(updatedCode);
renderer.WriteLine("</code></pre>");
return(true);
};
return(true);
}