private static void parseSplit(StreamTokenizer st, Split parent) throws Exception {
int token;
while ((token = st.nextToken()) != StreamTokenizer.TT_EOF) {
if (token == ')') {
break;
} else if (token == StreamTokenizer.TT_WORD) {
if (st.sval.equalsIgnoreCase("WEIGHT")) {
parseAttribute(st.sval, st, parent);
} else {
addSplitChild(parent, new Leaf(st.sval));
}
} else if (token == '(') {
if ((token = st.nextToken()) != StreamTokenizer.TT_WORD) {
throwParseException(st, "invalid node type");
}
String nodeType = st.sval.toUpperCase();
if (nodeType.equals("LEAF")) {
parseLeaf(st, parent);
} else if (nodeType.equals("ROW") || nodeType.equals("COLUMN")) {
Split split = new Split();
split.setRowLayout(nodeType.equals("ROW"));
addSplitChild(parent, split);
parseSplit(st, split);
} else {
throwParseException(st, "unrecognized node type '" + nodeType + "'");
}
}
}
}
