private string CreateNodeAnnotationContent(OpenNodeAnnotationEventArgs e)
{
var writer = new StringWriter();
try
{
writer.WriteLine(DocumentationBrowserUtils.GetContentFromEmbeddedResource(STYLE_RESOURCE));
// Get the Node info section
var nodeDocumentation = NodeDocumentationHtmlGenerator.FromAnnotationEventArgs(e);
writer.WriteLine(nodeDocumentation);
// Convert the markdown file to html
MarkdownHandlerInstance.ParseToHtml(ref writer, e.MinimumQualifiedName, e.PackageName);
writer.Flush();
var output = writer.ToString();
// Sanitize html and warn if any changes where made
if (MarkdownHandlerInstance.SanitizeHtml(ref output))
{
LogWarning(Resources.ScriptTagsRemovalWarning, WarningLevel.Mild);
}
// inject the syntax highlighting script at the bottom at the document.
output += DocumentationBrowserUtils.GetDPIScript();
output += DocumentationBrowserUtils.GetSyntaxHighlighting();
return(output);
}
finally
{
writer?.Dispose();
}
}
/// <summary>
/// Converts a markdown string into Html.
/// </summary>
/// <param name="writer"></param>
/// <param name="nodeNamespace"></param>
/// <returns>Returns true if any script tags was removed from the string</returns>
internal bool ParseToHtml(ref StringWriter writer, string nodeNamespace)
{
if (writer is null)
{
throw new ArgumentNullException(nameof(writer));
}
var mdFilePath = PackageDocumentationManager.Instance.GetAnnotationDoc(nodeNamespace);
string mdString;
bool scriptTagsRemoved = false;
if (string.IsNullOrWhiteSpace(mdFilePath) ||
!File.Exists(mdFilePath))
{
mdString = DocumentationBrowserUtils.GetContentFromEmbeddedResource(NODE_ANNOTATION_NOT_FOUND);
}
else
{
// Doing this to avoid 'System.ObjectDisposedException'
// https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2202?view=vs-2019
Stream stream = null;
try
{
stream = File.Open(mdFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
using (StreamReader reader = new StreamReader(stream))
{
stream = null;
mdString = reader.ReadToEnd();
}
}
finally
{
stream?.Dispose();
}
if (string.IsNullOrWhiteSpace(mdString))
{
return(false);
}
// Remove scripts from user content for security reasons.
if (SanitizeHtml(ref mdString))
{
scriptTagsRemoved = true;
}
}
var html = converter.ParseMd2Html(mdString, mdFilePath);
writer.WriteLine(html);
// inject the syntax highlighting script at the bottom at the document.
writer.WriteLine(DocumentationBrowserUtils.GetDPIScript());
writer.WriteLine(GetSyntaxHighlighting());
return(scriptTagsRemoved);
}
private string LoadContentFromResources(string name, bool injectDPI = true, bool removeScriptTags = true)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException(nameof(name));
}
string result;
// If an assembly was specified in the uri, the resource will be searched there.
Assembly assembly;
var assemblyIndex = name.LastIndexOf(";");
if (assemblyIndex != -1)
{
var assemblyName = name.Substring(0, assemblyIndex);
// Ignore version and public key, in case they were specified.
var versionIndex = assemblyName.IndexOf(";");
if (versionIndex != -1)
{
assemblyName = assemblyName.Substring(0, versionIndex);
}
assembly = AppDomain.CurrentDomain.GetAssemblies().FirstOrDefault(a => a.GetName().Name == assemblyName);
if (assembly == null)
{
// The specified assembly is not loaded
return(null);
}
name = name.Substring(assemblyIndex + 1);
}
else
{
// Default to documentation browser assembly if no assembly was specified.
assembly = GetType().Assembly;
}
Assembly resourceAssembly = GetResourceAssembly(assembly, name);
var availableResources = resourceAssembly.GetManifestResourceNames();
var matchingResource = availableResources
.FirstOrDefault(str => str.EndsWith(name));
if (string.IsNullOrEmpty(matchingResource))
{
// The resource might exist by a name that includes the culture name in it
var nameWithCulture = GetResourceNameWithCultureName(name, resourceAssembly.GetName().CultureInfo);
matchingResource = availableResources.FirstOrDefault(n => n.EndsWith(nameWithCulture));
if (string.IsNullOrEmpty(matchingResource))
{
return(null);
}
}
Stream stream = null;
try
{
stream = resourceAssembly.GetManifestResourceStream(matchingResource);
using (StreamReader reader = new StreamReader(stream))
{
result = reader.ReadToEnd();
stream = null;
}
}
finally
{
if (stream != null)
{
stream.Dispose();
}
}
// Clean up possible script tags from document
if (removeScriptTags &&
MarkdownHandlerInstance.SanitizeHtml(ref result))
{
LogWarning(Resources.ScriptTagsRemovalWarning, WarningLevel.Mild);
}
//inject our DPI functions:
if (injectDPI)
{
result += DocumentationBrowserUtils.GetDPIScript();
}
return(result);
}