@SuppressWarnings("unchecked")
private VectorOfDouble encode(ScilabType var, VectorOfDouble vec) {
switch (var.getType()) {
case sci_matrix:
encode((ScilabDouble) var, vec);
break;
case sci_ints:
encode((ScilabInteger) var, vec);
break;
case sci_boolean:
encode((ScilabBoolean) var, vec);
break;
case sci_strings:
encode((ScilabString) var, vec);
break;
case sci_list:
encode((ArrayList<ScilabType>) var, vec, var.getType());
break;
case sci_mlist:
encode((ArrayList<ScilabType>) var, vec, var.getType());
break;
case sci_tlist:
encode((ArrayList<ScilabType>) var, vec, var.getType());
break;
default:
break;
}
return vec;
}
/**
* Encode any scilab type to a buffer
*
* @param var the Scilab value to encode
* @return the encoded buffer
*/
public VectorOfDouble var2vec(ScilabType var) {
final ScilabType value;
if (var == null) {
value = new ScilabDouble();
} else {
value = var;
}
if (LOG.isLoggable(Level.FINER)) {
LOG.entering(ScilabTypeCoder.class.getCanonicalName(), "var2vec");
}
VectorOfDouble vec = new VectorOfDouble();
encode(value, vec);
// System.err.println("var2vec:" + var.toString() + ":" + toString(vec));
if (LOG.isLoggable(Level.FINE)) {
LOG.log(Level.FINE, "var2vec:{0}:{1}", new Object[] {var.toString(), toString(vec)});
}
if (LOG.isLoggable(Level.FINER)) {
LOG.exiting(ScilabTypeCoder.class.getCanonicalName(), "var2vec");
}
return vec;
}
@SuppressWarnings("unchecked")
private ScilabType decode(VectorOfDouble vec, ScilabType var) {
switch (var.getType()) {
case sci_matrix:
decode(vec, (ScilabDouble) var);
break;
case sci_ints:
decode(vec, (ScilabInteger) var);
break;
case sci_boolean:
decode(vec, (ScilabBoolean) var);
break;
case sci_strings:
decode(vec, (ScilabString) var);
break;
case sci_list:
decode(vec, (ArrayList<ScilabType>) var);
break;
case sci_mlist:
decode(vec, (ArrayList<ScilabType>) var);
break;
case sci_tlist:
decode(vec, (ArrayList<ScilabType>) var);
break;
default:
break;
}
return var;
}
/**
* Decode a scilab type from a buffer
*
* @param vec the buffer containing encoded scilab types
* @return the decoded scilab type
*/
public ScilabType vec2var(VectorOfDouble vec) {
position = 0;
if (LOG.isLoggable(Level.FINER)) {
LOG.entering(ScilabTypeCoder.class.getName(), "vec2var", vec);
}
ScilabType var = decodeHeader(vec);
decode(vec, var);
// System.err.println("vec2var:" + toString(vec) + ":" + var.toString());
if (LOG.isLoggable(Level.FINE)) {
LOG.log(Level.FINE, "vec2var:{0}:{1}", new Object[] {toString(vec), var.toString()});
}
if (LOG.isLoggable(Level.FINER)) {
LOG.exiting(ScilabTypeCoder.class.getName(), "vec2var");
}
return var;
}
/**
* Helper method to add an header of the detected type
*
* @param var the scilab matrix type to encode
* @param vec the raw encoded data container
* @param as the type to encode
* @param detected the detected type
*/
@SuppressWarnings({"unchecked", "fallthrough"})
private void encodeHeader(Object var, VectorOfDouble vec, final ScilabTypeEnum as) {
ScilabType matrix = null;
ArrayList<ScilabType> list = null;
// defensive programming
switch (as) {
case sci_boolean:
case sci_ints:
case sci_matrix:
case sci_strings:
matrix = (ScilabType) var;
break;
case sci_list:
case sci_mlist:
case sci_tlist:
list = (ArrayList<ScilabType>) var;
break;
default:
throw new IllegalArgumentException();
}
vec.add(as.swigValue());
if (matrix instanceof ScilabInteger) {
vec.add(((ScilabInteger) matrix).getPrec().swigValue());
}
if (matrix != null) {
vec.add(2);
vec.add(matrix.getHeight());
vec.add(matrix.getWidth());
} else if (list != null) {
vec.add(list.size());
} else {
throw new IllegalArgumentException();
}
}