long computeFieldSize(BaseType bt, boolean isAscii) throws Exception {
long fieldsize = 0;
// Figure out what this field is (e.g. primitive or not)
// Somewhat convoluted.
if (bt instanceof DConstructor) {
// simple struct, seq, or grid => recurse
fieldsize = computeSize((DConstructor) bt, isAscii);
} else if (bt instanceof DArray) {
SDArray da = (SDArray) bt;
// Separate structure arrays from primitive arrays
if (da.getContainerVar() instanceof DPrimitive) {
fieldsize = computeArraySize(da);
} else if (da.getContainerVar() instanceof DStructure) {
fieldsize = computeSize((DStructure) da.getContainerVar(), isAscii); // recurse
} else { // Some kind of problem
throw new NoSuchTypeException("Computesize: unexpected type for " + bt.getLongName());
}
} else if (bt instanceof DPrimitive) {
DPrimitive dp = (DPrimitive) bt;
if (dp instanceof DString) {
String v = ((DString) dp).getValue();
fieldsize = (v == null ? 0 : v.length());
} else {
DataType dtype = DODSNetcdfFile.convertToNCType(bt);
fieldsize = dtype.getSize();
}
} else { // Some kind of problem
throw new NoSuchTypeException("Computesize: unknown type for " + bt.getLongName());
}
return fieldsize;
}
// Recursively compute size of the dds to be returned
private long computeSize(DConstructor ctor, boolean isAscii) throws Exception {
long projectsize = 0; // accumulate size of projected variables
long othersize = 0; // accumulate size of non-projected variables
long fieldsize = 0;
int projectedcount = 0;
int fieldcount = 0;
Enumeration vars = ctor.getVariables();
while (vars.hasMoreElements()) {
fieldcount++;
BaseType field = (BaseType) vars.nextElement();
fieldsize = computeFieldSize(field, isAscii);
// accumulate the field sizes
if (field.isProject()) {
projectsize += fieldsize;
projectedcount++;
} else {
othersize += fieldsize;
}
}
// Cases to consider:
// 1. If all of the fields of this ctor are projected,
// then return projectsize
// 2. If none of the fields of this ctor are projected,
// then return othersize
// 3. otherwise, at least one field, but not all, is projected,
// => return projectsize;
if (projectedcount == fieldcount) return projectsize;
else if (projectedcount == 0) return othersize;
else {
assert (projectedcount > 0 && projectedcount < fieldcount);
return projectsize;
}
}
boolean containsChild(BaseType node, List<BaseType> list) {
String nodename = node.getLongName();
for (BaseType child : list) {
String childname = child.getLongName();
if (childname.startsWith(nodename)) return true;
}
return false;
}
BaseType containsParent(BaseType node, List<BaseType> list) {
String nodename = node.getLongName();
for (BaseType parent : list) {
String parentname = parent.getLongName();
if (nodename.startsWith(parentname)) return parent;
}
return null;
}
void gendimrange(List<BaseType> path, StringBuilder buf) {
for (int i = 0; i < path.size(); i++) {
BaseType bt = path.get(i);
int rank = 0;
if (bt.getParent() instanceof DArray) rank = ((DArray) (bt.getParent())).numDimensions();
if (i > 0) buf.append('.');
buf.append(bt.getEncodedName());
for (int j = 0; j < rank; j++) {
String dimprojection = dimrangeset[random.nextInt(dimrangeset.length)];
buf.append(dimprojection);
}
}
}
public String getLongName() {
boolean done = false;
BaseType parent = (BaseType) getParent();
String longName = _name;
while (parent != null && !(parent instanceof DDS)) {
longName = parent.getClearName() + "." + longName;
parent = (BaseType) parent.getParent();
}
return (longName);
}
public void printConstraint(PrintWriter os) {
BaseType parent = (BaseType) getParent();
BaseType array = null;
if (parent != null) {
if (parent instanceof DArray) {
array = parent;
parent = (BaseType) parent.getParent();
}
}
if (array != null) array.printConstraint(os);
else {
if (parent != null && !(parent instanceof DDS)) {
parent.printConstraint(os);
os.print(".");
}
os.print(getEncodedName());
}
}
/**
* Returns a clone of this <code>BaseType</code>. See DAPNode.cloneDAG.
*
* @param map The set of already cloned nodes.
* @return a clone of this <code>BaseType</code>.
*/
public DAPNode cloneDAG(CloneMap map) throws CloneNotSupportedException {
BaseType bt = (BaseType) super.cloneDAG(map);
if (this._attrTbl != null) bt._attrTbl = (AttributeTable) cloneDAG(map, this._attrTbl);
if (this._attr != null) bt._attr = new Attribute(getClearName(), bt._attrTbl);
return bt;
}
