private IScript GetCompiledScript(Script script)
{
if (!_compiledScriptCache.TryGetValue(script.Name, out ScriptWrapper cachedScript) ||
cachedScript.Script.LastUpdated <= script.LastUpdated) //recompile the script
{
var compiledScript = InterpretScript(script);
_compiledScriptCache[script.Name] = new ScriptWrapper(script, compiledScript);
return(compiledScript);
}
return(cachedScript.InterpretedScript);
}
public bool CanInterpret(Script script, out string errorMessage)
{
try
{
InterpretScript(script);
errorMessage = string.Empty;
return(true);
}
catch (Exception e)
{
errorMessage = e.ToString();
return(false);
}
}
private IScript InterpretScript(Script script)
{
var option = ScriptOptions.Default
.WithReferences(typeof(IScript).GetTypeInfo().Assembly);
try
{
var createdScript = CSharpScript.Create(script.Code, option)
.ContinueWith <IScript>(
$"new {script.Name}() as IScript")
.CreateDelegate()
.Invoke()
.Result;
return(createdScript);
}
catch (Exception e)
{
Log.Error(e, $"Error when interpreting script {script.Name}: {e.Message}");
throw;
}
}
public void SaveScript(Script script)
{
_scriptRepository.SaveOrUpdate(script);
_scriptCache.Remove(script.Name);
}
public IDocument Process(IDocument document, Script script)
{
var compiledScript = InterpretScript(script);
return(Process(document, compiledScript));
}
public ScriptWrapper(Script script, IScript interpretedScript)
{
Script = script;
InterpretedScript = interpretedScript;
}