public void memoryMove(long src, long dest, long len) {
final Pointer srcPointer = new Pointer(src);
final Pointer destPointer = new Pointer(dest);
if (memmove != null)
memmove.invoke(Pointer.class, new Object[] {destPointer, srcPointer, new NativeLong(len)});
else if (bcopy != null)
bcopy.invokeVoid(new Object[] {srcPointer, destPointer, new NativeLong(len)});
else {
if (src > dest) for (long n = 0; n < len; n++) destPointer.setByte(n, srcPointer.getByte(n));
else for (long n = len - 1; n >= 0; n--) destPointer.setByte(n, srcPointer.getByte(n));
}
}
public static Pointer nativeString(String sql) { // TODO Check encoding?
byte[] data = sql.getBytes();
final Pointer pointer = new Memory(data.length + 1);
pointer.write(0, data, 0, data.length);
pointer.setByte(data.length, (byte) 0);
return pointer;
}
public final void putByte(long offset, byte value) {
checkBounds(offset, 1);
ptr.setByte(offset, value);
}
// TODO: this method isn't very safe to leave public, perhaps some
// setPropertyData[String/UInt32/etc.] methods would be better
public static EdsError setPropertyDataAdvanced(
final EdsBaseRef ref, final EdsPropertyID property, final long param, final Object value)
throws IllegalStateException {
final EdsDataType type = CanonUtils.getPropertyType(ref, property, param);
final Pointer pointer;
final int size;
switch (type) {
case kEdsDataType_String:
{ // EdsChar[]
final String string = (String) value;
size = string.length() + 1;
pointer = new Memory(size);
pointer.setString(0, string);
break;
}
case kEdsDataType_Int8: // EdsInt8
case kEdsDataType_UInt8:
{ // EdsUInt8
size = 1;
pointer = new Memory(size);
pointer.setByte(0, (Byte) value);
break;
}
case kEdsDataType_Int16: // EdsInt16
case kEdsDataType_UInt16:
{ // EdsUInt16
size = 2;
pointer = new Memory(size);
pointer.setShort(0, (Short) value);
break;
}
case kEdsDataType_Int32: // EdsInt32
case kEdsDataType_UInt32:
{ // EdsUInt32
size = 4;
pointer = new Memory(size);
pointer.setNativeLong(0, new NativeLong((Long) value));
break;
}
case kEdsDataType_Int64: // EdsInt64
case kEdsDataType_UInt64:
{ // EdsUInt64
size = 8;
pointer = new Memory(size);
pointer.setLong(0, (Long) value);
break;
}
case kEdsDataType_Float:
{ // EdsFloat
size = 4;
pointer = new Memory(size);
pointer.setFloat(0, (Float) value);
break;
}
case kEdsDataType_Double:
{ // EdsDouble
size = 8;
pointer = new Memory(size);
pointer.setDouble(0, (Double) value);
break;
}
case kEdsDataType_ByteBlock:
{ // Byte Block // TODO: According to API, is either EdsInt8[] or EdsUInt32[], but perhaps
// former is a typo or an old value
final int[] array = (int[]) value;
size = 4 * array.length;
pointer = new Memory(size);
pointer.write(0, array, 0, array.length);
break;
}
case kEdsDataType_Rational: // EdsRational
case kEdsDataType_Point: // EdsPoint
case kEdsDataType_Rect: // EdsRect
case kEdsDataType_Time: // EdsTime
case kEdsDataType_FocusInfo: // EdsFocusInfo
case kEdsDataType_PictureStyleDesc:
{ // EdsPictureStyleDesc
final Structure structure = (Structure) value;
structure.write();
pointer = structure.getPointer();
size = structure.size();
break;
}
case kEdsDataType_Int8_Array: // EdsInt8[]
case kEdsDataType_UInt8_Array:
{ // EdsUInt8[]
final byte[] array = (byte[]) value;
size = array.length;
pointer = new Memory(size);
pointer.write(0, array, 0, array.length);
break;
}
case kEdsDataType_Int16_Array: // EdsInt16[]
case kEdsDataType_UInt16_Array:
{ // EdsUInt16[]
final short[] array = (short[]) value;
size = 2 * array.length;
pointer = new Memory(size);
pointer.write(0, array, 0, array.length);
break;
}
case kEdsDataType_Int32_Array: // EdsInt32[]
case kEdsDataType_UInt32_Array:
{ // EdsUInt32[]
final int[] array = (int[]) value;
size = 4 * array.length;
pointer = new Memory(size);
pointer.write(0, array, 0, array.length);
break;
}
case kEdsDataType_Bool:
// EdsBool // TODO: implement
case kEdsDataType_Bool_Array: // EdsBool[] // TODO: implement
case kEdsDataType_Rational_Array: // EdsRational[] // TODO: implement
case kEdsDataType_Unknown: // Unknown
default:
throw new IllegalStateException(
type.description()
+ " ("
+ type.name()
+ ") is not currently supported by GetPropertyCommand");
}
return CanonUtils.setPropertyData(ref, property, param, size, pointer);
}