public override ITypedValue GetValueInternal(ExpressionState state)
{
var rightOperand = RightOperand;
var left = LeftOperand.GetValueInternal(state);
var right = rightOperand.GetValueInternal(state);
var leftValue = left.Value;
var rightValue = right.Value;
BooleanTypedValue result;
if (!(rightValue is Type))
{
throw new SpelEvaluationException(RightOperand.StartPosition, SpelMessage.INSTANCEOF_OPERATOR_NEEDS_CLASS_OPERAND, rightValue == null ? "null" : rightValue.GetType().FullName);
}
var rightClass = (Type)rightValue;
if (leftValue == null)
{
result = BooleanTypedValue.FALSE; // null is not an instanceof anything
}
else
{
result = BooleanTypedValue.ForValue(rightClass.IsAssignableFrom(leftValue.GetType()));
}
_type = rightClass;
if (rightOperand is TypeReference)
{
// Can only generate bytecode where the right operand is a direct type reference,
// not if it is indirect (for example when right operand is a variable reference)
_exitTypeDescriptor = "Z";
}
return(result);
}
public override ITypedValue GetValueInternal(ExpressionState state)
{
var left = LeftOperand.GetValueInternal(state).Value;
var right = RightOperand.GetValueInternal(state).Value;
if (!(right is IList) || ((IList)right).Count != 2)
{
throw new SpelEvaluationException(RightOperand.StartPosition, SpelMessage.BETWEEN_RIGHT_OPERAND_MUST_BE_TWO_ELEMENT_LIST);
}
var list = (IList)right;
var low = list[0];
var high = list[1];
var comp = state.TypeComparator;
try
{
return(BooleanTypedValue.ForValue(comp.Compare(left, low) >= 0 && comp.Compare(left, high) <= 0));
}
catch (SpelEvaluationException ex)
{
ex.Position = StartPosition;
throw;
}
}
public override ITypedValue GetValueInternal(ExpressionState state)
{
var leftValue = LeftOperand.GetValueInternal(state).Value;
var rightValue = RightOperand.GetValueInternal(state).Value;
_leftActualDescriptor = CodeFlow.ToDescriptorFromObject(leftValue);
_rightActualDescriptor = CodeFlow.ToDescriptorFromObject(rightValue);
return(BooleanTypedValue.ForValue(!EqualityCheck(state.EvaluationContext, leftValue, rightValue)));
}
public override ITypedValue GetValueInternal(ExpressionState state)
{
if (!GetBooleanValue(state, LeftOperand))
{
// no need to evaluate right operand
return(BooleanTypedValue.FALSE);
}
return(BooleanTypedValue.ForValue(GetBooleanValue(state, RightOperand)));
}
public override ITypedValue GetValueInternal(ExpressionState state)
{
try
{
var value = _children[0].GetValue <bool>(state);
return(BooleanTypedValue.ForValue(!value));
}
catch (SpelEvaluationException ex)
{
ex.Position = GetChild(0).StartPosition;
throw;
}
catch (Exception ex)
{
throw new SpelEvaluationException(SpelMessage.TYPE_CONVERSION_ERROR, ex, "null", "System.Boolean");
}
}
public override ITypedValue GetValueInternal(ExpressionState state)
{
var leftOp = LeftOperand;
var rightOp = RightOperand;
var left = leftOp.GetValue <string>(state);
var right = RightOperand.GetValue(state);
if (left == null)
{
throw new SpelEvaluationException(leftOp.StartPosition, SpelMessage.INVALID_FIRST_OPERAND_FOR_MATCHES_OPERATOR, (object)null);
}
if (!(right is string))
{
throw new SpelEvaluationException(rightOp.StartPosition, SpelMessage.INVALID_SECOND_OPERAND_FOR_MATCHES_OPERATOR, right);
}
try
{
var rightString = (string)right;
_patternCache.TryGetValue(rightString, out var pattern);
if (pattern == null)
{
pattern = new Regex(rightString, RegexOptions.Compiled, TimeSpan.FromSeconds(1));
_patternCache.TryAdd(rightString, pattern);
}
return(BooleanTypedValue.ForValue(pattern.IsMatch(left)));
}
catch (ArgumentException ex)
{
throw new SpelEvaluationException(rightOp.StartPosition, ex, SpelMessage.INVALID_PATTERN, right);
}
catch (RegexMatchTimeoutException ex)
{
throw new SpelEvaluationException(rightOp.StartPosition, ex, SpelMessage.FLAWED_PATTERN, right);
}
}
public BooleanLiteral(string payload, int startPos, int endPos, bool value)
: base(payload, startPos, endPos)
{
_value = BooleanTypedValue.ForValue(value);
_exitTypeDescriptor = "Z";
}
public override ITypedValue GetValueInternal(ExpressionState state)
{
var left = LeftOperand.GetValueInternal(state).Value;
var right = RightOperand.GetValueInternal(state).Value;
_leftActualDescriptor = CodeFlow.ToDescriptorFromObject(left);
_rightActualDescriptor = CodeFlow.ToDescriptorFromObject(right);
if (IsNumber(left) && IsNumber(right))
{
var leftConv = (IConvertible)left;
var rightConv = (IConvertible)right;
if (left is decimal || right is decimal)
{
var leftVal = leftConv.ToDecimal(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToDecimal(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal.CompareTo(rightVal) <= 0));
}
else if (left is double || right is double)
{
var leftVal = leftConv.ToDouble(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToDouble(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is float || right is float)
{
var leftVal = leftConv.ToSingle(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToSingle(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is long || right is long)
{
var leftVal = leftConv.ToInt64(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToInt64(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is int || right is int)
{
var leftVal = leftConv.ToInt32(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToInt32(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is short || right is short)
{
var leftVal = leftConv.ToInt16(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToInt16(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is byte || right is byte)
{
var leftVal = leftConv.ToByte(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToByte(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is ulong || right is ulong)
{
var leftVal = leftConv.ToUInt64(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToUInt64(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is uint || right is uint)
{
var leftVal = leftConv.ToUInt32(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToUInt32(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is ushort || right is ushort)
{
var leftVal = leftConv.ToUInt16(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToUInt16(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is sbyte || right is sbyte)
{
var leftVal = leftConv.ToSByte(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToSByte(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
}
return(BooleanTypedValue.ForValue(state.TypeComparator.Compare(left, right) <= 0));
}
