/// <summary> init : we don't have to do much. Init the tree (there
/// shouldn't be one) and then see if interpolation is turned on.
/// </summary>
public override Object Init(IInternalContextAdapter context, Object data)
{
base.Init(context, data);
/*
* the stringlit is set at template parse time, so we can
* do this here for now. if things change and we can somehow
* create stringlits at runtime, this must
* move to the runtime execution path
*
* so, only if interpolation is turned on AND it starts
* with a " AND it has a directive or reference, then we
* can interpolate. Otherwise, don't bother.
*/
interpolate = FirstToken.Image.StartsWith("\"") &&
((FirstToken.Image.IndexOf('$') != -1) ||
(FirstToken.Image.IndexOf('#') != -1));
/*
* get the contents of the string, minus the '/" at each end
*/
image = FirstToken.Image.Substring(1, (FirstToken.Image.Length - 1) - (1));
/*
* tack a space on the end (dreaded <MORE> kludge)
*/
interpolateImage = string.Format("{0} ", image);
if (interpolate)
{
/*
* now parse and init the nodeTree
*/
TextReader br = new StringReader(interpolateImage);
/*
* it's possible to not have an initialization context - or we don't
* want to trust the caller - so have a fallback value if so
*
* Also, do *not* dump the VM namespace for this template
*/
nodeTree = runtimeServices.Parse(br, (context != null) ? context.CurrentTemplateName : "StringLiteral", false);
/*
* init with context. It won't modify anything
*/
nodeTree.Init(context, runtimeServices);
}
return(data);
}
private object EvaluateInPlace(string content, IInternalContextAdapter context)
{
try
{
SimpleNode inlineNode = runtimeServices.Parse(new StringReader(content), context.CurrentTemplateName, false);
inlineNode.Init(context, runtimeServices);
return(Evaluate(inlineNode, context));
}
catch (Exception)
{
throw new ArgumentException(string.Format("Problem evaluating dictionary entry with content {0}", content));
}
}