public virtual StringBuffer Render(DfmEngine engine, DfmFencesBlockToken token, MarkdownBlockContext context)
{
var lang = string.IsNullOrEmpty(token.Lang) ? null : $" class=\"language-{token.Lang}\"";
var name = string.IsNullOrEmpty(token.Name) ? null : $" name=\"{StringHelper.HtmlEncode(token.Name)}\"";
var title = string.IsNullOrEmpty(token.Title) ? null : $" title=\"{StringHelper.HtmlEncode(token.Title)}\"";
if (!PathUtility.IsRelativePath(token.Path))
{
string errorMessage = $"Code absolute path: {token.Path} is not supported in file {engine.Parents.Peek()}";
Logger.LogError(errorMessage);
return($"<!-- {StringHelper.HtmlEncode(errorMessage)} -->");
}
try
{
// TODO: Valid REST and REST-i script.
var fencesPath = ((RelativePath)token.Path).BasedOn((RelativePath)engine.Parents.Peek());
var fencesCode = File.ReadAllText(fencesPath);
return($"<pre><code{lang}{name}{title}>{StringHelper.HtmlEncode(fencesCode)}\n</code></pre>");
}
catch (FileNotFoundException)
{
string errorMessage = $"Can not find reference {token.Path}";
Logger.LogError(errorMessage);
return($"<!-- {StringHelper.HtmlEncode(errorMessage)} -->");
}
}
public virtual StringBuffer Render(DfmEngine engine, DfmFencesBlockToken token, MarkdownBlockContext context)
{
var lang = string.IsNullOrEmpty(token.Lang) ? null : $" class=\"language-{token.Lang}\"";
var name = string.IsNullOrEmpty(token.Name) ? null : $" name=\"{StringHelper.HtmlEncode(token.Name)}\"";
var title = string.IsNullOrEmpty(token.Title) ? null : $" title=\"{StringHelper.HtmlEncode(token.Title)}\"";
if (!PathUtility.IsRelativePath(token.Path))
{
string errorMessage = $"Code absolute path: {token.Path} is not supported in file {engine.Parents.Peek()}";
Logger.LogError(errorMessage);
return $"<!-- {StringHelper.HtmlEncode(errorMessage)} -->";
}
try
{
// TODO: Valid REST and REST-i script.
var fencesPath = ((RelativePath)token.Path).BasedOn((RelativePath)engine.Parents.Peek());
var fencesCode = File.ReadAllText(fencesPath);
return $"<pre><code{lang}{name}{title}>{StringHelper.HtmlEncode(fencesCode)}\n</code></pre>";
}
catch(FileNotFoundException)
{
string errorMessage = $"Can not find reference {token.Path}";
Logger.LogError(errorMessage);
return $"<!-- {StringHelper.HtmlEncode(errorMessage)} -->";
}
}
public DfmExtractCodeResult ExtractFencesCode(DfmFencesBlockToken token, string fencesPath)
{
if (token == null)
{
throw new ArgumentNullException(nameof(token));
}
if (string.IsNullOrEmpty(fencesPath))
{
throw new ArgumentNullException(nameof(fencesPath));
}
var fencesCode = File.ReadAllLines(fencesPath);
// NOTE: Parsing language and removing comment lines only do for tag name representation
if (token.PathQueryOption?.TagName != null)
{
var lang = GetCodeLanguageOrExtension(token);
Regex regex;
if (!CodeLanguageRegexes.TryGetValue(lang, out regex))
{
string errorMessage = $"{lang} is not supported languaging name, alias or extension for parsing code snippet with tag name, you can use line numbers instead";
Logger.LogError(errorMessage);
return(new DfmExtractCodeResult {
IsSuccessful = false, ErrorMessage = errorMessage, FencesCodeLines = fencesCode
});
}
var resolveResult = ResolveTagNamesFromPath(fencesPath, fencesCode, token.PathQueryOption.TagName, regex);
if (!resolveResult.IsSuccessful)
{
Logger.LogError(resolveResult.ErrorMessage);
return(new DfmExtractCodeResult {
IsSuccessful = false, ErrorMessage = resolveResult.ErrorMessage, FencesCodeLines = fencesCode
});
}
return(GetFencesCodeCore(fencesCode, resolveResult.StartLine, resolveResult.EndLine, resolveResult.ExcludesLines));
}
else
{
// line range check only need to be done for line number representation
string errorMessage;
if (!CheckLineRange(fencesCode.Length, token.PathQueryOption?.StartLine, token.PathQueryOption?.EndLine, out errorMessage))
{
Logger.LogError(errorMessage);
return(new DfmExtractCodeResult {
IsSuccessful = false, ErrorMessage = errorMessage, FencesCodeLines = fencesCode
});
}
return(GetFencesCodeCore(fencesCode, token.PathQueryOption?.StartLine, token.PathQueryOption?.EndLine));
}
}
public DfmExtractCodeResult ExtractFencesCode(DfmFencesBlockToken token, string fencesPath)
{
if (token == null)
{
throw new ArgumentNullException(nameof(token));
}
if (string.IsNullOrEmpty(fencesPath))
{
throw new ArgumentNullException(nameof(fencesPath));
}
var fencesCode = File.ReadAllLines(fencesPath);
// NOTE: Parsing language and removing comment lines only do for tag name representation
if (token.PathQueryOption?.TagName != null)
{
var lang = GetCodeLanguageOrExtension(token);
Regex regex;
if (!CodeLanguageRegexes.TryGetValue(lang, out regex))
{
string errorMessage = $"{lang} is not supported languaging name, alias or extension for parsing code snippet with tag name, you can use line numbers instead";
Logger.LogError(errorMessage);
return new DfmExtractCodeResult { IsSuccessful = false, ErrorMessage = errorMessage, FencesCodeLines = fencesCode };
}
var resolveResult = ResolveTagNamesFromPath(fencesPath, fencesCode, token.PathQueryOption.TagName, regex);
if (!resolveResult.IsSuccessful)
{
Logger.LogError(resolveResult.ErrorMessage);
return new DfmExtractCodeResult { IsSuccessful = false, ErrorMessage = resolveResult.ErrorMessage, FencesCodeLines = fencesCode };
}
return GetFencesCodeCore(fencesCode, resolveResult.StartLine, resolveResult.EndLine, resolveResult.ExcludesLines);
}
else
{
// line range check only need to be done for line number representation
string errorMessage;
if (!CheckLineRange(fencesCode.Length, token.PathQueryOption?.StartLine, token.PathQueryOption?.EndLine, out errorMessage))
{
Logger.LogError(errorMessage);
return new DfmExtractCodeResult { IsSuccessful = false, ErrorMessage = errorMessage, FencesCodeLines = fencesCode };
}
return GetFencesCodeCore(fencesCode, token.PathQueryOption?.StartLine, token.PathQueryOption?.EndLine);
}
}
public static string GetRenderedFencesBlockString(DfmFencesBlockToken token, Options options, string errorMessage, string[] codeLines = null)
{
string renderedErrorMessage = string.Empty;
string renderedCodeLines = string.Empty;
if (!string.IsNullOrEmpty(errorMessage))
{
renderedErrorMessage = $@"<!-- {StringHelper.HtmlEncode(errorMessage)} -->\n";
}
if (codeLines != null)
{
var lang = string.IsNullOrEmpty(token.Lang) ? null : $" class=\"{options.LangPrefix}{token.Lang}\"";
var name = string.IsNullOrEmpty(token.Name) ? null : $" name=\"{StringHelper.HtmlEncode(token.Name)}\"";
var title = string.IsNullOrEmpty(token.Title) ? null : $" title=\"{StringHelper.HtmlEncode(token.Title)}\"";
renderedCodeLines = $"<pre><code{lang}{name}{title}>{StringHelper.HtmlEncode(string.Join("\n", codeLines))}\n</code></pre>";
}
return $"{renderedErrorMessage}{renderedCodeLines}";
}
public static string GetRenderedFencesBlockString(DfmFencesBlockToken token, Options options, string errorMessage, string[] codeLines = null)
{
string renderedErrorMessage = string.Empty;
string renderedCodeLines = string.Empty;
if (!string.IsNullOrEmpty(errorMessage))
{
renderedErrorMessage = $@"<!-- {StringHelper.HtmlEncode(errorMessage)} -->\n";
}
if (codeLines != null)
{
var lang = string.IsNullOrEmpty(token.Lang) ? null : $" class=\"{options.LangPrefix}{token.Lang}\"";
var name = string.IsNullOrEmpty(token.Name) ? null : $" name=\"{StringHelper.HtmlEncode(token.Name)}\"";
var title = string.IsNullOrEmpty(token.Title) ? null : $" title=\"{StringHelper.HtmlEncode(token.Title)}\"";
renderedCodeLines = $"<pre><code{lang}{name}{title}>{StringHelper.HtmlEncode(string.Join("\n", codeLines))}\n</code></pre>";
}
return($"{renderedErrorMessage}{renderedCodeLines}");
}
public virtual StringBuffer Render(IMarkdownRenderer engine, DfmFencesBlockToken token, MarkdownBlockContext context)
{
if (!PathUtility.IsRelativePath(token.Path))
{
string errorMessage = $"Code absolute path: {token.Path} is not supported in file {context.GetFilePathStack().Peek()}";
Logger.LogError(errorMessage);
return DfmRendererHelper.GetRenderedFencesBlockString(token, engine.Options, errorMessage);
}
try
{
// TODO: Valid REST and REST-i script.
var fencesPath = ((RelativePath)token.Path).BasedOn((RelativePath)context.GetFilePathStack().Peek());
var extractResult = _dfmCodeExtractor.ExtractFencesCode(token, fencesPath);
return DfmRendererHelper.GetRenderedFencesBlockString(token, engine.Options, extractResult.ErrorMessage, extractResult.FencesCodeLines);
}
catch (FileNotFoundException)
{
string errorMessage = $"Can not find reference {token.Path}";
Logger.LogError(errorMessage);
return DfmRendererHelper.GetRenderedFencesBlockString(token, engine.Options, errorMessage);
}
}
public virtual StringBuffer Render(IMarkdownRenderer engine, DfmFencesBlockToken token, MarkdownBlockContext context)
{
if (!PathUtility.IsRelativePath(token.Path))
{
string errorMessage = $"Code absolute path: {token.Path} is not supported in file {context.GetFilePathStack().Peek()}";
Logger.LogError(errorMessage);
return(DfmRendererHelper.GetRenderedFencesBlockString(token, engine.Options, errorMessage));
}
try
{
// TODO: Valid REST and REST-i script.
var fencesPath = ((RelativePath)token.Path).BasedOn((RelativePath)context.GetFilePathStack().Peek());
var extractResult = _dfmCodeExtractor.ExtractFencesCode(token, fencesPath);
return(DfmRendererHelper.GetRenderedFencesBlockString(token, engine.Options, extractResult.ErrorMessage, extractResult.FencesCodeLines));
}
catch (FileNotFoundException)
{
string errorMessage = $"Can not find reference {token.Path}";
Logger.LogError(errorMessage);
return(DfmRendererHelper.GetRenderedFencesBlockString(token, engine.Options, errorMessage));
}
}
private static string GetCodeLanguageOrExtension(DfmFencesBlockToken token)
{
return(!string.IsNullOrEmpty(token.Lang) ? token.Lang : Path.GetExtension(token.Path));
}
private static string GetCodeLanguageOrExtension(DfmFencesBlockToken token)
{
return !string.IsNullOrEmpty(token.Lang) ? token.Lang : Path.GetExtension(token.Path);
}
