public static IEnumerable <string> GetVariableNames(IIndexedVariableStore variables)
{
return(Enumerable
.Repeat("", variables.Count)
.Select((value, index) => ItemVariable + index)
.Concat(Enumerable.Repeat(nameof(IIndexedVariableStore.Count), 1)));
}
public static SetVariableResult SetVariable(IIndexedVariableStore variables, string name, VariableValue value)
{
if (name == nameof(IIndexedVariableStore.Count) || name.StartsWith(ItemVariable))
{
return(SetVariableResult.ReadOnly);
}
else
{
return(SetVariableResult.NotFound);
}
}
public static VariableValue GetVariable(IIndexedVariableStore variables, string name)
{
if (name == nameof(IIndexedVariableStore.Count))
{
return(VariableValue.Create(variables.Count));
}
else if (name.StartsWith(ItemVariable))
{
var index = ParseIndex(name, ItemVariable.Length, name.Length);
return(VariableValue.Create(variables.GetItem(index)));
}
return(VariableValue.Empty);
}
