public virtual int CompareTo(BsonValue other)
{
// first, test if types are diferentes
if (Type != other.Type)
{
// if both values are number, convert them to Double to compare
if (IsNumber && other.IsNumber)
{
return(Convert.ToDouble(RawValue).CompareTo(Convert.ToDouble(RawValue)));
}
// if not, order by sort type order
return(Type.CompareTo(other.Type));
}
// for both values with same datatype just compare
switch (Type)
{
case BsonType.Null:
case BsonType.MinValue:
case BsonType.MaxValue:
return(0);
case BsonType.Int32:
return(((int)RawValue).CompareTo((int)other.RawValue));
case BsonType.Int64:
return(((long)RawValue).CompareTo((long)other.RawValue));
case BsonType.Double:
return(((double)RawValue).CompareTo((double)other.RawValue));
case BsonType.String:
return(string.Compare((string)RawValue, (string)other.RawValue));
case BsonType.Document:
return(AsDocument.CompareTo(other));
case BsonType.Array:
return(AsArray.CompareTo(other));
case BsonType.Binary:
return(((byte[])RawValue).BinaryCompareTo((byte[])other.RawValue));
case BsonType.ObjectId:
return(((ObjectId)RawValue).CompareTo((ObjectId)other.RawValue));
case BsonType.Guid:
return(((Guid)RawValue).CompareTo((Guid)other.RawValue));
case BsonType.Boolean:
return(((bool)RawValue).CompareTo((bool)other.RawValue));
case BsonType.DateTime:
return(((DateTime)RawValue).CompareTo((DateTime)other.RawValue));
default:
throw new NotImplementedException();
}
}
public virtual int CompareTo(BsonValue other)
{
// first, test if types are different
if (Type != other.Type)
{
// if both values are number, convert them to Decimal (128 bits) to compare
// it's the slowest way, but more secure
if (IsNumber && other.IsNumber)
{
return(Convert.ToDecimal(RawValue).CompareTo(Convert.ToDecimal(other.RawValue)));
}
// if not, order by sort type order
else
{
return(Type.CompareTo(other.Type));
}
}
// for both values with same data type just compare
switch (Type)
{
case BsonType.Null:
case BsonType.MinValue:
case BsonType.MaxValue:
return(0);
case BsonType.Int32: return(((Int32)RawValue).CompareTo((Int32)other.RawValue));
case BsonType.Int64: return(((Int64)RawValue).CompareTo((Int64)other.RawValue));
case BsonType.Double: return(((Double)RawValue).CompareTo((Double)other.RawValue));
case BsonType.Decimal: return(((Decimal)RawValue).CompareTo((Decimal)other.RawValue));
case BsonType.String: return(string.Compare((String)RawValue, (String)other.RawValue));
case BsonType.Document: return(AsDocument.CompareTo(other));
case BsonType.Array: return(AsArray.CompareTo(other));
case BsonType.Binary: return(((Byte[])RawValue).BinaryCompareTo((Byte[])other.RawValue));
case BsonType.ObjectId: return(((ObjectId)RawValue).CompareTo((ObjectId)other.RawValue));
case BsonType.Guid: return(((Guid)RawValue).CompareTo((Guid)other.RawValue));
case BsonType.Boolean: return(((Boolean)RawValue).CompareTo((Boolean)other.RawValue));
case BsonType.DateTime:
var d0 = (DateTime)RawValue;
var d1 = (DateTime)other.RawValue;
if (d0.Kind != DateTimeKind.Utc)
{
d0 = d0.ToUniversalTime();
}
if (d1.Kind != DateTimeKind.Utc)
{
d1 = d1.ToUniversalTime();
}
return(d0.CompareTo(d1));
default: throw new NotImplementedException();
}
}
