internal static XmlAtomicValue ConvertToType(XmlAtomicValue value, XmlQueryType destinationType) {
Debug.Assert(destinationType.IsStrict && destinationType.IsAtomicValue, "Can only convert to strict atomic type.");
// This conversion matrix should match the one in XmlILVisitor.GetXsltConvertMethod
switch (destinationType.TypeCode) {
case XmlTypeCode.Boolean:
switch (value.XmlType.TypeCode) {
case XmlTypeCode.Boolean:
case XmlTypeCode.Double:
case XmlTypeCode.String:
return new XmlAtomicValue(destinationType.SchemaType, ToBoolean(value));
}
break;
case XmlTypeCode.DateTime:
if (value.XmlType.TypeCode == XmlTypeCode.String)
return new XmlAtomicValue(destinationType.SchemaType, ToDateTime(value.Value));
break;
case XmlTypeCode.Decimal:
if (value.XmlType.TypeCode == XmlTypeCode.Double)
return new XmlAtomicValue(destinationType.SchemaType, ToDecimal(value.ValueAsDouble));
break;
case XmlTypeCode.Double:
switch (value.XmlType.TypeCode) {
case XmlTypeCode.Boolean:
case XmlTypeCode.Double:
case XmlTypeCode.String:
return new XmlAtomicValue(destinationType.SchemaType, ToDouble(value));
case XmlTypeCode.Decimal:
return new XmlAtomicValue(destinationType.SchemaType, ToDouble((decimal) value.ValueAs(DecimalType, null)));
case XmlTypeCode.Int:
case XmlTypeCode.Long:
return new XmlAtomicValue(destinationType.SchemaType, ToDouble(value.ValueAsLong));
}
break;
case XmlTypeCode.Int:
case XmlTypeCode.Long:
if (value.XmlType.TypeCode == XmlTypeCode.Double)
return new XmlAtomicValue(destinationType.SchemaType, ToLong(value.ValueAsDouble));
break;
case XmlTypeCode.String:
switch (value.XmlType.TypeCode) {
case XmlTypeCode.Boolean:
case XmlTypeCode.Double:
case XmlTypeCode.String:
return new XmlAtomicValue(destinationType.SchemaType, ToString(value));
case XmlTypeCode.DateTime:
return new XmlAtomicValue(destinationType.SchemaType, ToString(value.ValueAsDateTime));
}
break;
}
Debug.Fail("Conversion from " + value.XmlType.QualifiedName.Name + " to " + destinationType + " is not supported.");
return value;
}