protected internal string Render(object value, string templateScript)
{
try
{
string json = value.ToJson();
StringBuilder script = CreateBaseScript();
script.Append("dust.loadSource(compiledSource);");
script.Append(@"dust.render(templateName, JSON.parse(jsonData), function(err, result){
error = err;
output = result;
})");
EcmaScript.NET.Context ctx = EcmaScript.NET.Context.Enter();
ScriptableObject scope = ctx.InitStandardObjects();
SetParameters(scope);
ScriptableObject.PutProperty(scope, "jsonData", json);
ScriptableObject.PutProperty(scope, "compiledSource", Regex.Unescape(templateScript));
ScriptableObject.PutProperty(scope, "error", null);
ScriptableObject.PutProperty(scope, "output", "");
ctx.EvaluateString(scope, script.ToString(), "render", 0, null);
object error = ScriptableObject.GetProperty(scope, "error");
if (error != null)
{
throw new InvalidOperationException("An error occurred during dust.render: " + error.ToString());
}
string result = ((string)ScriptableObject.GetProperty(scope, "output"));
return(Regex.Unescape(result));
}
catch (Exception ex)
{
string sig = "An error occurred rendering template ({0}) : {1}";
string msg = ex.Message;
this.Exception = Args.Exception <DustException>(sig, Name, msg);
return(string.Format(sig, Name, msg));
}
}
private void SetCompiledScript()
{
try
{
StringBuilder script = CreateBaseScript();
script.Append("compiledTemplate = dust.compile(templateSource, templateName);");
EcmaScript.NET.Context ctx = EcmaScript.NET.Context.Enter();
ScriptableObject scope = ctx.InitStandardObjects();
SetParameters(scope);
ScriptableObject.PutProperty(scope, "compiledTemplate", null);
ctx.EvaluateString(scope, script.ToString(), "Compile", 0, null);
CompiledScript = (string)ScriptableObject.GetProperty(scope, "compiledTemplate");
SetCompiledTemplate();
}
catch (Exception ex)
{
CompiledScript = string.Format("alert('An error occurred compiling {0}: {1}');", Name, ex.Message);
Exception = Args.Exception <DustException>("An error occurred compiling script ({0}) :{1}", ex, Name, ex.Message);
}
}
