public override void ExitNotCondition(PrevailParser.NotConditionContext context)
{
base.ExitNotCondition(context);
var condition = _conditionStack.Pop();
var not = new NotCondition(condition);
_conditionStack.Push(not);
}
public override void ExitAndCondition(PrevailParser.AndConditionContext context)
{
base.ExitAndCondition(context);
var right = _conditionStack.Pop();
var left = _conditionStack.Pop();
var and = new AndCondition(new Condition[] { left, right });
_conditionStack.Push(and);
}
public override void ExitExpression(PrevailParser.ExpressionContext context)
{
base.ExitExpression(context);
if (_conditionStack.Count != 1)
{
throw new PrevailException(String.Format("Expect Result of Parse Expression. Expecting 1 Condition Found {0}.", _conditionStack.Count));
}
else
{
var result = _conditionStack.Pop();
_condition = result;
}
}
public ExpressionLocator(String Name, int Order, Scope Scope, String Expression)
: base(Name, Order, Scope)
{
_description = String.Format("Expression Locator: Order: {0} Scope: [{1}] Expression: [{2}]", Order, Scope, Expression);
PrevailLexer lexer = new PrevailLexer(new AntlrInputStream(Expression));
PrevailParser parser = new PrevailParser(new CommonTokenStream(lexer));
IParseTree tree = parser.expression();
ParseTreeWalker walker = new ParseTreeWalker();
PrevailListener prevailListener = new PrevailListener();
walker.Walk(prevailListener, tree);
_condition = prevailListener.Result;
}
public override void ExitOrCondition(PrevailParser.OrConditionContext context)
{
base.ExitOrCondition(context);
var right = _conditionStack.Pop();
var left = _conditionStack.Pop();
var or = new OrCondition(new Condition[] { left, right });
_conditionStack.Push(or);
}
public override void ExitValue(PrevailParser.ValueContext context)
{
base.ExitValue(context);
if (context.number() != null)
{
var floatingNumber = context.number().FLOAT();
if (floatingNumber != null)
{
_value = float.Parse(floatingNumber.GetText());
return;
}
var intNumber = context.number().INT();
if (intNumber != null)
{
_value = int.Parse(intNumber.GetText());
return;
}
}
var stringLiteral = context.STRING();
if (stringLiteral != null)
{
var value = stringLiteral.GetText();
if (value.StartsWith("'"))
{
if (value.EndsWith("'"))
{
value = value.Substring(1, value.Length - 2);
}
}
_value = value;
return;
}
}
public override void ExitPropertyCondition(PrevailParser.PropertyConditionContext context)
{
base.ExitPropertyCondition(context);
MetalMynds.FlatGlass.PrevailParser.PropertyContext propertyContext = (MetalMynds.FlatGlass.PrevailParser.PropertyContext)context.children[0];
var propertyName = propertyContext.IDENTIFIER().GetText();
Boolean equals = propertyContext.equals() != null;
var property = AutomationHelper.GetProperty(propertyName);
var propertyCondition = new PropertyCondition(property, _value);
var condition = (Condition)propertyCondition;
if (!equals)
{
condition = (Condition)new NotCondition(condition);
}
_conditionStack.Push(condition);
}