protected override Variable Evaluate(ParsingScript script)
{
// 1. Get the name of the variable.
string varName = Utils.GetToken(script, Constants.END_ARG_ARRAY);
Utils.CheckNotEnd(script, m_name);
List <Variable> arrayIndices = Utils.GetArrayIndices(ref varName);
// 2. Get the current value of the variable.
ParserFunction func = ParserFunction.GetFunction(varName);
Utils.CheckNotNull(varName, func);
Variable currentValue = func.GetValue(script);
Variable element = currentValue;
// 2b. Special case for an array.
if (arrayIndices.Count > 0)// array element
{
element = Utils.ExtractArrayElement(currentValue, arrayIndices);
script.MoveForwardIf(Constants.END_ARRAY);
}
// 3. Convert type to string.
string type = Constants.TypeToString(element.Type);
script.MoveForwardIf(Constants.END_ARG, Constants.SPACE);
Variable newValue = new Variable(type);
return(newValue);
}
public virtual string GetTypeString()
{
if (Type == VarType.OBJECT && Object != null)
{
return(Object.GetType().ToString());
}
return(Constants.TypeToString(Type));
}
public override string GetTypeString()
{
switch (WidgetType)
{
case UIVariable.UIType.VIEW:
return("View");
case UIVariable.UIType.BUTTON:
return("Button");
case UIVariable.UIType.LABEL:
return("Label");
case UIVariable.UIType.TEXT_FIELD:
return("TextEdit");
case UIVariable.UIType.TEXT_VIEW:
return("TextView");
case UIVariable.UIType.IMAGE_VIEW:
return("ImageView");
case UIVariable.UIType.COMBOBOX:
return("Combobox");
case UIVariable.UIType.INDICATOR:
return("Indicator");
case UIVariable.UIType.PICKER_VIEW:
return("TypePicker");
case UIVariable.UIType.PICKER_IMAGES:
return("Picker");
case UIVariable.UIType.LIST_VIEW:
return("ListView");
case UIVariable.UIType.SWITCH:
return("Switch");
case UIVariable.UIType.SLIDER:
return("Slider");
case UIVariable.UIType.STEPPER:
return("Stepper");
case UIVariable.UIType.SEGMENTED:
return("SegmentedControl");
}
return(Constants.TypeToString(Type));
}
static string CreateVariableEntry(ParserFunction variable, bool isLocal = false)
{
if (!(variable is GetVarFunction) || string.IsNullOrWhiteSpace(variable.Name))
{
return(null);
}
GetVarFunction gvf = variable as GetVarFunction;
string value = gvf.Value.AsString(true, true, 16);
string localGlobal = isLocal ? "0" : "1";
string varData = variable.Name + ":" + localGlobal + ":" +
Constants.TypeToString(gvf.Value.Type).ToLower() + ":" + value;
return(varData.Trim());
}
static string CreateVariableEntry(Variable var, string name, bool isLocal = false)
{
try
{
string value = var.AsString(true, true, 16);
string localGlobal = isLocal ? "0" : "1";
string varData = name + ":" + localGlobal + ":" +
Constants.TypeToString(var.Type).ToLower() + ":" + value;
return(varData.Trim());
}
catch (Exception exc)
{
// TODO: Clean up not used objects.
bool removed = isLocal ? PopLocalVariable(name) : RemoveGlobal(name);
Console.WriteLine("Object {0} is probably dead ({1}): {2}. Removing it.", name, removed, exc);
return(null);
}
}
