public void EvaluateProgramCondition(object evalArguments)
{
ProgramBlock program = (evalArguments as EvaluateProgramConditionArgs).Program;
ConditionEvaluationCallback callback = (evalArguments as EvaluateProgramConditionArgs).Callback;
//
bool isConditionSatisfied = false;
//
while (isEngineRunning && program.IsEnabled)
{
if (program.IsRunning || !isEngineEnabled)
{
Thread.Sleep(1000);
continue;
}
//
try
{
isConditionSatisfied = false;
//
if (program.Type.ToLower() != "wizard")
{
var result = program.EvaluateCondition();
if (result != null && result.Exception != null)
{
// runtime error occurred, script is being disabled
// so user can notice and fix it
List <ProgramError> error = new List <ProgramError>()
{
program.GetFormattedError(result.Exception, true)
};
program.ScriptErrors = JsonConvert.SerializeObject(error);
program.IsEnabled = false;
RaiseProgramModuleEvent(program, Properties.RUNTIME_ERROR, "TC: " + result.Exception.Message.Replace('\n', ' ').Replace('\r', ' '));
}
else
{
isConditionSatisfied = (result != null ? (bool)result.ReturnValue : false);
}
}
else
{
// it is a Wizard Script
isConditionSatisfied = (program.Conditions.Count > 0);
for (int c = 0; c < program.Conditions.Count; c++)
{
// check for OR logic operator
if (program.Conditions[c].ComparisonOperator == ComparisonOperator.LogicOrJoint)
{
if (isConditionSatisfied)
{
break;
}
else
{
isConditionSatisfied = (c < program.Conditions.Count - 1);
continue;
}
}
//
bool res = false;
try
{
res = VerifyProgramCondition(program.Conditions[c]);
}
catch
{
// TODO: report/handle exception
}
isConditionSatisfied = (isConditionSatisfied && res);
}
}
//
bool lastResult = program.LastConditionEvaluationResult;
program.LastConditionEvaluationResult = isConditionSatisfied;
//
if (program.ConditionType == ConditionType.OnSwitchTrue)
{
isConditionSatisfied = (isConditionSatisfied == true && isConditionSatisfied != lastResult);
}
else if (program.ConditionType == ConditionType.OnSwitchFalse)
{
isConditionSatisfied = (isConditionSatisfied == false && isConditionSatisfied != lastResult);
}
else if (program.ConditionType == ConditionType.OnTrue || program.ConditionType == ConditionType.Once)
{
// noop
}
else if (program.ConditionType == ConditionType.OnFalse)
{
isConditionSatisfied = !isConditionSatisfied;
}
}
catch (Exception ex)
{
// a runtime error occured
List <ProgramError> error = new List <ProgramError>()
{
program.GetFormattedError(ex, true)
};
program.ScriptErrors = JsonConvert.SerializeObject(error);
program.IsEnabled = false;
RaiseProgramModuleEvent(program, Properties.RUNTIME_ERROR, "TC: " + ex.Message.Replace('\n', ' ').Replace('\r', ' '));
}
//
callback(program, isConditionSatisfied);
//
Thread.Sleep(500);
}
}
private bool WillProgramRun(ProgramBlock program)
{
bool isConditionSatisfied = false;
// evaluate and get result from the code
lock (program.OperationLock)
try
{
program.WillRun = false;
//
var result = program.EvaluateCondition();
if (result != null && result.Exception != null)
{
// runtime error occurred, script is being disabled
// so user can notice and fix it
List <ProgramError> error = new List <ProgramError>()
{
program.GetFormattedError(result.Exception, true)
};
program.ScriptErrors = JsonConvert.SerializeObject(error);
program.IsEnabled = false;
RaiseProgramModuleEvent(program, Properties.RuntimeError, "TC: " + result.Exception.Message.Replace('\n', ' ').Replace('\r', ' '));
}
else
{
isConditionSatisfied = (result != null ? (bool)result.ReturnValue : false);
}
//
bool lastResult = program.LastConditionEvaluationResult;
program.LastConditionEvaluationResult = isConditionSatisfied;
//
if (program.ConditionType == ConditionType.OnSwitchTrue)
{
isConditionSatisfied = (isConditionSatisfied == true && isConditionSatisfied != lastResult);
}
else if (program.ConditionType == ConditionType.OnSwitchFalse)
{
isConditionSatisfied = (isConditionSatisfied == false && isConditionSatisfied != lastResult);
}
else if (program.ConditionType == ConditionType.OnTrue || program.ConditionType == ConditionType.Once)
{
// noop
}
else if (program.ConditionType == ConditionType.OnFalse)
{
isConditionSatisfied = !isConditionSatisfied;
}
}
catch (Exception ex)
{
// a runtime error occured
if (!ex.GetType().Equals(typeof(System.Reflection.TargetException)))
{
List <ProgramError> error = new List <ProgramError>()
{
program.GetFormattedError(ex, true)
};
program.ScriptErrors = JsonConvert.SerializeObject(error);
program.IsEnabled = false;
RaiseProgramModuleEvent(program, Properties.RuntimeError, "TC: " + ex.Message.Replace('\n', ' ').Replace('\r', ' '));
}
}
return(isConditionSatisfied && program.IsEnabled);
}
private bool WillProgramRun(ProgramBlock program)
{
bool isConditionSatisfied = false;
// evaluate and get result from the code
lock (program.OperationLock)
try
{
program.WillRun = false;
//
var result = program.EvaluateCondition();
if (result != null && result.Exception != null)
{
// runtime error occurred, script is being disabled
// so user can notice and fix it
List<ProgramError> error = new List<ProgramError>() { program.GetFormattedError(result.Exception, true) };
program.ScriptErrors = JsonConvert.SerializeObject(error);
program.IsEnabled = false;
RaiseProgramModuleEvent(program, Properties.RuntimeError, "TC: " + result.Exception.Message.Replace('\n', ' ').Replace('\r', ' '));
}
else
{
isConditionSatisfied = (result != null ? (bool)result.ReturnValue : false);
}
//
bool lastResult = program.LastConditionEvaluationResult;
program.LastConditionEvaluationResult = isConditionSatisfied;
//
if (program.ConditionType == ConditionType.OnSwitchTrue)
{
isConditionSatisfied = (isConditionSatisfied == true && isConditionSatisfied != lastResult);
}
else if (program.ConditionType == ConditionType.OnSwitchFalse)
{
isConditionSatisfied = (isConditionSatisfied == false && isConditionSatisfied != lastResult);
}
else if (program.ConditionType == ConditionType.OnTrue || program.ConditionType == ConditionType.Once)
{
// noop
}
else if (program.ConditionType == ConditionType.OnFalse)
{
isConditionSatisfied = !isConditionSatisfied;
}
}
catch (Exception ex)
{
// a runtime error occured
if (!ex.GetType().Equals(typeof(System.Reflection.TargetException)))
{
List<ProgramError> error = new List<ProgramError>() { program.GetFormattedError(ex, true) };
program.ScriptErrors = JsonConvert.SerializeObject(error);
program.IsEnabled = false;
RaiseProgramModuleEvent(program, Properties.RuntimeError, "TC: " + ex.Message.Replace('\n', ' ').Replace('\r', ' '));
}
}
return isConditionSatisfied && program.IsEnabled;
}