public override bool TryEvaluate(DynamicResources resources, IList <IValue> args,
out IValue result)
{
Debug.Assert(this.Arity.HasValue && args.Count == this.Arity !.Value);
var arg0 = args[0];
switch (arg0.Type)
{
case JmesPathType.Number:
result = arg0;
return(true);
case JmesPathType.String:
{
var s = arg0.GetString();
Decimal dec;
double dbl;
if (Decimal.TryParse(s, out dec))
{
result = new DecimalValue(dec);
return(true);
}
else if (Double.TryParse(s, out dbl))
{
result = new DoubleValue(dbl);
return(true);
}
else
{
result = JsonConstants.Null;
return(false);
}
}
default:
result = JsonConstants.Null;
return(false);
}
}
public override bool TryEvaluate(DynamicResources resources, IList <IValue> args, out IValue result)
{
Debug.Assert(this.Arity.HasValue && args.Count == this.Arity !.Value);
var arg0 = args[0];
if (arg0.Type != JmesPathType.Array || arg0.GetArrayLength() == 0)
{
result = JsonConstants.Null;
return(false);
}
IValue sum;
if (!SumFunction.Instance.TryEvaluate(resources, args, out sum))
{
result = JsonConstants.Null;
return(false);
}
Decimal decVal;
double dblVal;
if (sum.TryGetDecimal(out decVal))
{
result = new DecimalValue(decVal / arg0.GetArrayLength());
return(true);
}
else if (sum.TryGetDouble(out dblVal))
{
result = new DoubleValue(dblVal / arg0.GetArrayLength());
return(true);
}
else
{
result = JsonConstants.Null;
return(false);
}
}
public override bool TryEvaluate(DynamicResources resources, IList <IValue> args,
out IValue result)
{
Debug.Assert(this.Arity.HasValue && args.Count == this.Arity !.Value);
var arg0 = args[0];
switch (arg0.Type)
{
case JmesPathType.Object:
{
int count = 0;
foreach (var item in arg0.EnumerateObject())
{
++count;
}
result = new DecimalValue(new Decimal(count));
return(true);
}
case JmesPathType.Array:
result = new DecimalValue(new Decimal(arg0.GetArrayLength()));
return(true);
case JmesPathType.String:
{
byte[] bytes = Encoding.UTF32.GetBytes(arg0.GetString().ToCharArray());
result = new DecimalValue(new Decimal(bytes.Length / 4));
return(true);
}
default:
{
result = JsonConstants.Null;
return(false);
}
}
}
