public IEnumerable <DictionaryBinderItem> GetItems()
{
foreach (var item in _collection)
{
var advResolver = new AdvancedDataResolver(n => item[n]);
var text = ExpressionEvaluator.Eval(_textExpression, advResolver);
var value = ExpressionEvaluator.Eval(_valueExpression, advResolver);
var binder = new DictionaryBinderItem(text, value);
yield return(binder);
}
}
private Object EvalObj(String expression, XMLContext context)
{
if (String.IsNullOrEmpty(expression))
{
return(null);
}
var advResolver = new AdvancedDataResolver(context.GetValue);
var expNode = ExpressionParser.GetOrParse(expression);
var result = ExpressionEvaluator.Eval(expNode, advResolver);
return(result);
}
private Object GetExpressionsValue(String expression, IDataItem item)
{
ExpressionNode expNode;
if (!_expressionCache.TryGetValue(expression, out expNode))
{
expNode = ExpressionParser.Parse(expression);
_expressionCache.Add(expression, expNode);
}
var advResolver = new AdvancedDataResolver(item.GetValueOrDefault);
var expValue = ExpressionEvaluator.Eval(expNode, advResolver);
return(expValue);
}
