private ScilabType decode(VectorOfDouble vec, ScilabInteger var) {
final int sizeof;
long[][] longData = null;
short[][] shortData = null;
int[][] intData = null;
byte[][] byteData = null;
switch (var.getPrec()) {
case sci_int64:
case sci_uint64:
sizeof = Long.BYTES;
longData = var.getDataAsLong();
break;
case sci_int32:
case sci_uint32:
sizeof = Integer.BYTES;
intData = var.getDataAsInt();
break;
case sci_int16:
case sci_uint16:
sizeof = Short.BYTES;
shortData = var.getDataAsShort();
break;
case sci_int8:
case sci_uint8:
sizeof = Byte.BYTES;
byteData = var.getDataAsByte();
break;
default:
throw new IllegalArgumentException();
}
final int doubleLen = (sizeof * var.getHeight() * var.getWidth()) / Double.BYTES + 1;
ByteBuffer view = vec.asByteBuffer(position, doubleLen);
for (int i = 0; i < var.getHeight(); i++) {
for (int j = 0; j < var.getWidth(); j++) {
switch (var.getPrec()) {
case sci_int64:
case sci_uint64:
longData[i][j] = view.getLong();
break;
case sci_int32:
case sci_uint32:
intData[i][j] = view.getInt();
break;
case sci_int16:
case sci_uint16:
shortData[i][j] = view.getShort();
break;
case sci_int8:
case sci_uint8:
byteData[i][j] = view.get();
break;
}
}
}
position += doubleLen;
return var;
}
private void encode(ScilabInteger var, VectorOfDouble vec) {
// pre-processing: retrieve the raw data per type
int sizeof;
long[][] longData = null;
short[][] shortData = null;
int[][] intData = null;
byte[][] byteData = null;
switch (var.getPrec()) {
case sci_int64:
case sci_uint64:
sizeof = Long.BYTES;
longData = var.getDataAsLong();
break;
case sci_int32:
case sci_uint32:
sizeof = Integer.BYTES;
intData = var.getDataAsInt();
break;
case sci_int16:
case sci_uint16:
sizeof = Short.BYTES;
shortData = var.getDataAsShort();
break;
case sci_int8:
case sci_uint8:
sizeof = Byte.BYTES;
byteData = var.getDataAsByte();
break;
default:
throw new IllegalArgumentException();
}
// Header
encodeHeader(var, vec, ScilabTypeEnum.sci_ints);
// push the data on a pre-allocated space
final int requiredBytes = sizeof * var.getHeight() * var.getWidth();
final int doubleLen = (requiredBytes + Double.BYTES - 1) / Double.BYTES;
final int index = vec.size();
vec.resize(index + doubleLen);
ByteBuffer view = vec.asByteBuffer(index, doubleLen);
for (int i = 0; i < var.getHeight(); i++) {
for (int j = 0; j < var.getWidth(); j++) {
switch (var.getPrec()) {
case sci_int64:
case sci_uint64:
view.putLong(longData[i][j]);
break;
case sci_int32:
case sci_uint32:
view.putInt(intData[i][j]);
break;
case sci_int16:
case sci_uint16:
view.putShort(shortData[i][j]);
break;
case sci_int8:
case sci_uint8:
view.put(byteData[i][j]);
break;
}
}
}
}