public override void ToPrecedenceFreeEPL(TextWriter writer, EPStatementFormatter formatter)
{
writer.Write("every ");
PatternExprPrecedenceEnum precedence = Precedence;
if (Children[0] is PatternEveryExpr)
{
precedence = PatternExprPrecedenceEnum.MAXIMIM;
}
Children[0].ToEPL(writer, precedence, formatter);
}
public void ToEPL(TextWriter writer, PatternExprPrecedenceEnum parentPrecedence, EPStatementFormatter formatter)
{
if (Precedence.GetLevel() < parentPrecedence.GetLevel())
{
writer.Write("(");
ToPrecedenceFreeEPL(writer);
writer.Write(")");
}
else
{
ToPrecedenceFreeEPL(writer);
}
}
public override void ToPrecedenceFreeEPL(
TextWriter writer,
EPStatementFormatter formatter)
{
if (Single != null)
{
writer.Write("[");
Single.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
writer.Write("]");
}
else
{
if (Low != null || High != null)
{
writer.Write("[");
if ((Low != null) && (High != null))
{
Low.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
writer.Write(":");
High.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
}
else if (Low != null)
{
Low.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
writer.Write(":");
}
else
{
writer.Write(":");
High.ToEPL(writer, ExpressionPrecedenceEnum.MINIMUM);
}
writer.Write("] ");
}
}
PatternExprPrecedenceEnum precedence = Precedence;
if (Children[0] is PatternMatchUntilExpr)
{
precedence = PatternExprPrecedenceEnum.MAXIMIM;
}
Children[0].ToEPL(writer, precedence, formatter);
if (Children.Count > 1)
{
writer.Write(" until ");
Children[1].ToEPL(writer, Precedence, formatter);
}
}
/// <summary>Returns Precedence. </summary>
/// <returns>Precedence</returns>
public static int GetLevel(this PatternExprPrecedenceEnum value)
{
return((int)value);
}
