private bool MatchBookMarkQuery(BlockProcessor processor, ref StringSlice slice, ref CodeSnippet codeSnippet)
{
if (slice.CurrentChar != '#')
{
return(false);
}
var queryChar = slice.CurrentChar;
var query = StringBuilderCache.Local();
var c = slice.NextChar();
while (c != '\0' && c != '"' && c != ')')
{
query.Append(c);
c = slice.NextChar();
}
var queryString = query.ToString().Trim();
if (HtmlCodeSnippetRenderer.TryGetLineRange(queryString, out var codeRange))
{
codeSnippet.BookMarkRange = codeRange;
}
else
{
codeSnippet.TagName = queryString;
}
return(true);
}
private string InferLanguageFromFile(string source, Action <string> logError)
{
var fileExtension = Path.GetExtension(source);
if (fileExtension == null)
{
logError("Language is not set, and your source has no file type. Cannot infer language.");
}
var language = HtmlCodeSnippetRenderer.GetLanguageByFileExtension(fileExtension);
if (string.IsNullOrEmpty(language))
{
logError("Language is not set, and we could not infer language from the file type.");
}
return(language);
}
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);
}
private bool TryParseQuery(string queryString, ref CodeSnippet codeSnippet)
{
if (string.IsNullOrEmpty(queryString))
{
return(false);
}
var splitQueryItems = queryString.Split(new[] { '&' });
int start = -1, end = -1;
foreach (var queryItem in splitQueryItems)
{
var keyValueSplit = queryItem.Split(new[] { '=' });
if (keyValueSplit.Length != 2)
{
return(false);
}
var key = keyValueSplit[0];
var value = keyValueSplit[1];
List <CodeRange> temp;
switch (key.ToLower())
{
case "name":
codeSnippet.TagName = value;
break;
case "start":
if (!int.TryParse(value, out start))
{
return(false);
}
end = start;
break;
case "end":
if (!int.TryParse(value, out end))
{
return(false);
}
break;
case "range":
if (!HtmlCodeSnippetRenderer.TryGetLineRanges(value, out temp))
{
return(false);
}
codeSnippet.CodeRanges = temp;
break;
case "highlight":
if (!HtmlCodeSnippetRenderer.TryGetLineRanges(value, out temp))
{
return(false);
}
codeSnippet.HighlightRanges = temp;
break;
case "dedent":
if (!int.TryParse(value, out var dedent))
{
return(false);
}
codeSnippet.DedentLength = dedent;
break;
default:
return(false);
}
}
if (start != -1 && end != -1)
{
codeSnippet.StartEndRange = new CodeRange {
Start = start, End = end
};
}
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);
}
