LangAltValue::AutoPtr LangAltValue::clone() const
 {
     return AutoPtr(clone_());
 }

 Value::AutoPtr Value::create(TypeId typeId)
 {
     AutoPtr value;
     switch (typeId) {
     case invalidTypeId:
     case signedByte:
     case unsignedByte:
         value = AutoPtr(new DataValue(typeId));
         break;
     case asciiString:
         value = AutoPtr(new AsciiValue);
         break;
     case unsignedShort:
         value = AutoPtr(new ValueType<uint16_t>);
         break;
     case unsignedLong:
     case tiffIfd:
         value = AutoPtr(new ValueType<uint32_t>(typeId));
         break;
     case unsignedRational:
         value = AutoPtr(new ValueType<URational>);
         break;
     case undefined:
         value = AutoPtr(new DataValue);
         break;
     case signedShort:
         value = AutoPtr(new ValueType<int16_t>);
         break;
     case signedLong:
         value = AutoPtr(new ValueType<int32_t>);
         break;
     case signedRational:
         value = AutoPtr(new ValueType<Rational>);
         break;
     case tiffFloat:
         value = AutoPtr(new ValueType<float>);
         break;
     case tiffDouble:
         value = AutoPtr(new ValueType<double>);
         break;
     case string:
         value = AutoPtr(new StringValue);
         break;
     case date:
         value = AutoPtr(new DateValue);
         break;
     case time:
         value = AutoPtr(new TimeValue);
         break;
     case comment:
         value = AutoPtr(new CommentValue);
         break;
     case xmpText:
         value = AutoPtr(new XmpTextValue);
         break;
     case xmpBag:
     case xmpSeq:
     case xmpAlt:
         value = AutoPtr(new XmpArrayValue(typeId));
         break;
     case langAlt:
         value = AutoPtr(new LangAltValue);
         break;
     default:
         value = AutoPtr(new DataValue(typeId));
         break;
     }
     return value;
 } // Value::create

 Key::AutoPtr Key::clone() const
 {
     return AutoPtr(clone_());
 }

 FujiMakerNote::AutoPtr FujiMakerNote::clone() const
 {
     return AutoPtr(clone_());
 }

 FujiMakerNote::AutoPtr FujiMakerNote::clone(bool alloc) const
 {
     return AutoPtr(clone_(alloc));
 }