/// <summary>
/// perfoms comparison operations on expression ie (=, <=, >=, Like, >, <, and <)) returns a boolean
/// </summary>
/// <returns>object</returns>
public override object Execute()
{
object result = null;
if (op == null)
{
result = this.ConcatExp.Execute();
}
else
{
object LHSO = this.ConcatExp.Execute();
object RHSO;
if (this.CompareExp != null)
{
RHSO = this.CompareExp.Execute(); // this.CompareExp.Execute();
}
else
{
RHSO = this.STRING;
}
double TryValue = 0.0;
int i;
if (Util.IsEmpty(LHSO) && Util.IsEmpty(RHSO) && op.Equals("="))
{
result = true;
}
else if (Util.IsEmpty(LHSO) && Util.IsEmpty(RHSO) && op.Equals("<>"))
{
return(false);
}
else if ((Util.IsEmpty(LHSO) || Util.IsEmpty(RHSO)))
{
if (op.Equals("<>"))
{
return(!(Util.IsEmpty(LHSO) && Util.IsEmpty(RHSO)));
}
else
{
result = false;
}
}
else if (op.Equals("LIKE", StringComparison.OrdinalIgnoreCase))
{
//string testValue = "^" + RHSO.ToString().Replace("*", "(\\s|\\w)*") + "$";
string testValue = "^" + RHSO.ToString().Replace("*", ".*") + "$";
System.Text.RegularExpressions.Regex re = new System.Text.RegularExpressions.Regex(testValue, System.Text.RegularExpressions.RegexOptions.IgnoreCase);
if (re.IsMatch(LHSO.ToString()))
{
result = true;
}
else
{
result = false;
}
}
else
{
if (this.NumericTypeList.Contains(LHSO.GetType().Name.ToUpperInvariant()) && this.NumericTypeList.Contains(RHSO.GetType().Name.ToUpperInvariant()))
{
LHSO = Convert.ToDouble(LHSO);
RHSO = Convert.ToDouble(RHSO);
}
if (!LHSO.GetType().Equals(RHSO.GetType()))
{
if (RHSO is Boolean && op.Equals(StringLiterals.EQUAL))
{
result = (RHSO.Equals(!Util.IsEmpty(LHSO)));
}
else if (LHSO is string && this.NumericTypeList.Contains(RHSO.GetType().Name.ToUpperInvariant()) && double.TryParse(LHSO.ToString(), out TryValue))
{
i = TryValue.CompareTo(RHSO);
switch (op)
{
case "=":
result = (i == 0);
break;
case "<>":
result = (i != 0);
break;
case "<":
result = (i < 0);
break;
case ">":
result = (i > 0);
break;
case ">=":
result = (i >= 0);
break;
case "<=":
result = (i <= 0);
break;
}
}
else if (RHSO is string && this.NumericTypeList.Contains(LHSO.GetType().Name.ToUpperInvariant()) && double.TryParse(RHSO.ToString(), out TryValue))
{
i = TryValue.CompareTo(LHSO);
switch (op)
{
case "=":
result = (i == 0);
break;
case "<>":
result = (i != 0);
break;
case "<":
result = (i < 0);
break;
case ">":
result = (i > 0);
break;
case ">=":
result = (i >= 0);
break;
case "<=":
result = (i <= 0);
break;
}
}
else if (op.Equals(StringLiterals.EQUAL) && (LHSO is Boolean || RHSO is Boolean))
{
if (LHSO is Boolean && RHSO is Boolean)
{
result = LHSO == RHSO;
}
else if (LHSO is Boolean)
{
result = (Boolean)LHSO == (Boolean)this.ConvertStringToBoolean(RHSO.ToString());
}
else
{
result = (Boolean)this.ConvertStringToBoolean(LHSO.ToString()) == (Boolean)RHSO;
}
}
else
{
i = StringComparer.CurrentCultureIgnoreCase.Compare(LHSO.ToString(), RHSO.ToString());
switch (op)
{
case "=":
result = (i == 0);
break;
case "<>":
result = (i != 0);
break;
case "<":
result = (i < 0);
break;
case ">":
result = (i > 0);
break;
case ">=":
result = (i >= 0);
break;
case "<=":
result = (i <= 0);
break;
}
}
}
else
{
i = 0;
if (LHSO.GetType().Name.ToUpperInvariant() == "STRING" && RHSO.GetType().Name.ToUpperInvariant() == "STRING")
{
i = StringComparer.CurrentCultureIgnoreCase.Compare(LHSO.ToString().Trim(), RHSO.ToString().Trim());
}
else if (LHSO is IComparable && RHSO is IComparable)
{
i = ((IComparable)LHSO).CompareTo((IComparable)RHSO);
}
switch (op)
{
case "=":
result = (i == 0);
break;
case "<>":
result = (i != 0);
break;
case "<":
result = (i < 0);
break;
case ">":
result = (i > 0);
break;
case ">=":
result = (i >= 0);
break;
case "<=":
result = (i <= 0);
break;
}
}
}
}
return(result);
}
/// <summary>
/// checks if a value is within a recode range
/// </summary>
/// <param name="setValue"></param>
/// <returns>bool</returns>
public bool ValueIsInRange(object pValue)
{
bool result = false;
bool check1 = false;
bool check2 = false;
double double_compare;
DateTime DateTime_compare;
bool bool_compare;
int i = 0;
object LHSO = null;
object RHSO = null;
object fromValue = null;
if (pValue.ToString().Contains("- "))
{
object newval = pValue.ToString().Substring(0, pValue.ToString().IndexOf("-"));
pValue = newval;
}
if (this.fromValue is Rule_Value)
{
fromValue = ((Rule_Value)this.fromValue).Execute();
}
else if (this.fromValue is Rule_NegateExp)
{
fromValue = ((Rule_NegateExp)this.fromValue).Execute();
}
else
{
fromValue = this.fromValue;
}
object EqualValue = null;
if (this.EqualValue is Rule_Value)
{
EqualValue = ((Rule_Value)this.EqualValue).Execute();
}
else
{
EqualValue = this.EqualValue;
}
object rangeEnd = null;
if (this.rangeEnd is Rule_Value)
{
rangeEnd = ((Rule_Value)this.rangeEnd).Execute();
}
else if (this.rangeEnd is Rule_NegateExp)
{
rangeEnd = ((Rule_NegateExp)this.rangeEnd).Execute();
}
else
{
fromValue = this.fromValue;
}
if (fromValue is string && ((string)fromValue).ToUpperInvariant() == "ELSE")
{
return(true);
}
else
{
if (fromValue.ToString().ToUpperInvariant() == "LOVALUE")
{
if (double.TryParse(pValue.ToString(), out double_compare))
{
LHSO = double.MinValue;
}
else
{
if (bool.TryParse(pValue.ToString(), out bool_compare))
{
LHSO = bool.FalseString;
}
else
{
LHSO = string.Empty;
}
}
}
else
{
if (fromValue is string)
{
string from = (string)fromValue;
if (bool.TryParse(from, out bool_compare))
{
LHSO = bool_compare;
}
else if (fromValue.Equals("(+)") || fromValue.Equals("(-)") || fromValue.Equals("(.)"))
{
switch (from)
{
case "(+)":
LHSO = true;
break;
case "(-)":
LHSO = false;
break;
case "(.)":
LHSO = null;
break;
default:
break;
}
}
else
{
LHSO = from.ToUpperInvariant();
}
}
else
{
LHSO = fromValue;
}
}
}
if (double.TryParse(pValue.ToString(), out double_compare))
{
RHSO = double_compare;
}
else
{
if (bool.TryParse(pValue.ToString(), out bool_compare))
{
RHSO = bool_compare;
}
else if (pValue.ToString().Equals("(+)") || pValue.ToString().Equals("(-)") || pValue.ToString().Equals("(.)"))
{
switch (pValue.ToString())
{
case "(+)":
RHSO = true;
break;
case "(-)":
RHSO = false;
break;
case "(.)":
RHSO = null;
break;
default:
break;
}
}
else
{
if (pValue != null)
{
if (pValue is DateTime)
{
RHSO = pValue;
}
else
{
RHSO = pValue.ToString().ToUpperInvariant();
}
}
}
}
if (!string.IsNullOrEmpty(RHSO.ToString()))
{
if (LHSO is IComparable && RHSO is IComparable)
{
if (LHSO is DateTime && !(RHSO is DateTime))
{
DateTime dt;
if (DateTime.TryParse(RHSO.ToString(), out dt))
{
i = ((IComparable)LHSO).CompareTo((IComparable)dt);
}
else
{
i = 0;
}
}
else
{
i = ((IComparable)LHSO).CompareTo((IComparable)RHSO);
}
}
if (this.recodeType.ToUpperInvariant() == "=")
{
check1 = i == 0;
}
else
{
check1 = i <= 0;
}
}
else if (this.recodeType.ToUpperInvariant() == "RECODEC")
{
if (Util.IsEmpty(LHSO))
{
return(true);
}
else
{
return(false);
}
}
if (double.TryParse(pValue.ToString(), out double_compare))
{
LHSO = double_compare;
}
else
{
if (DateTime.TryParse(pValue.ToString(), out DateTime_compare))
{
LHSO = DateTime_compare;
}
else
{
if (bool.TryParse(pValue.ToString(), out bool_compare))
{
LHSO = bool_compare;
}
else
{
if (pValue != null)
{
LHSO = pValue.ToString().ToUpperInvariant();
}
}
}
}
if (rangeEnd.ToString().ToUpperInvariant() == "HIVALUE")
{
if (double.TryParse(pValue.ToString(), out double_compare))
{
RHSO = double.MaxValue;
}
else
{
if (DateTime.TryParse(pValue.ToString(), out DateTime_compare))
{
RHSO = DateTime.MaxValue;
}
else
{
if (bool.TryParse(pValue.ToString(), out bool_compare))
{
RHSO = bool.TrueString;
}
else
{
RHSO = string.Empty;
}
}
}
}
else
{
if (rangeEnd is string)
{
RHSO = ((string)rangeEnd).ToUpperInvariant();
}
else
{
RHSO = rangeEnd;
}
}
if (!string.IsNullOrEmpty(LHSO.ToString()))
{
if (LHSO.GetType() == typeof(DateTime) && RHSO.GetType() != typeof(DateTime))
{
if (LHSO is IComparable && (Convert.ToDateTime(RHSO) is IComparable))
{
i = ((IComparable)LHSO).CompareTo(Convert.ToDateTime(RHSO));
}
}
else
{
if (LHSO is IComparable && RHSO is IComparable)
{
i = ((IComparable)LHSO).CompareTo((IComparable)RHSO);
}
}
if (this.recodeType.ToUpperInvariant() == "=")
{
check2 = i == 0;
}
else
{
check2 = (i <= 0);
}
}
result = check1 && check2;
return(result);
}
