private object Rackup()
{
Utils.Log("=> Loading Rack application");
var fullPath = Path.Combine(_appRoot, "config.ru");
if (File.Exists(fullPath))
{
return(IronRubyEngine.ExecuteMethod <RubyArray>(
IronRubyEngine.Execute("Rack::Builder"),
"parse_file", MutableString.CreateAscii(fullPath))[0]);
}
return(null);
}
internal static void ReportErrorAsHTML(HttpContext /*!*/ context, Exception /*!*/ e, Action <string> write)
{
var trace = IronRubyEngine.Engine == null ?
e.Message + "\n" + e.StackTrace + "\n" :
IronRubyEngine.Engine.GetService <ExceptionOperations>().FormatException(e);
write("<html>\r\n");
write(String.Format(@"
<h4>Error: {0}</h4>
<pre>
{1}
</pre>
", HttpUtility.HtmlEncode(e.Message), HttpUtility.HtmlEncode(trace)));
if (IronRubyEngine.Engine != null)
{
write("<h4>Search paths</h4>\r\n");
write("<pre>\r\n");
foreach (var path in IronRubyEngine.Engine.GetSearchPaths())
{
write(HttpUtility.HtmlEncode(path));
write("\r\n");
}
write("</pre>\r\n");
try {
var gempaths = IronRubyEngine.Execute <RubyArray>("require 'rubygems'; Gem.path");
write("<h4>Gem paths</h4>\r\n");
write("<pre>\r\n");
foreach (var gempath in gempaths)
{
write(HttpUtility.HtmlEncode(((MutableString)gempath).ToString()));
write("\r\n");
}
write("</pre>\r\n");
} catch {
// who cares if it fails
}
}
write("</html>\r\n");
}