// Create a bindingContext.
// parameters takes precedence over existingBindingData.
internal static BindingContext NewBindingContext(
ValueBindingContext context,
IReadOnlyDictionary <string, object> existingBindingData,
IDictionary <string, object> parameters)
{
// if bindingData was a mutable dictionary, we could just add it.
// But since it's read-only, must create a new one.
Dictionary <string, object> bindingData = new Dictionary <string, object>(StringComparer.OrdinalIgnoreCase);
var funcContext = context.FunctionContext;
var methodName = funcContext.MethodName;
if (existingBindingData != null)
{
foreach (var kv in existingBindingData)
{
bindingData[kv.Key] = kv.Value;
}
}
if (parameters != null)
{
foreach (var kv in parameters)
{
bindingData[kv.Key] = kv.Value;
}
}
// Add 'sys' binding data.
var sysBindingData = new SystemBindingData
{
MethodName = methodName
};
sysBindingData.AddToBindingData(bindingData);
BindingContext bindingContext = new BindingContext(context, bindingData);
return(bindingContext);
}
