@Override
protected boolean run() throws IOException {
// get arguments
final String start = args.length > 0 ? args[0] : null;
final String end = args.length > 1 ? args[1] : null;
// evaluate input as number range or xquery
if (start != null && toInt(start) == Integer.MIN_VALUE) {
queryNodes();
if (result == null) return false;
}
final Data data = context.data();
if (result != null) {
final Table table = th();
for (final int n : ((Nodes) result).list) table(table, data, n);
out.print(table.finish());
result = null;
} else {
int ps = 0;
int pe = 1000;
if (start != null) {
if (end != null) {
ps = toInt(start);
pe = toInt(end) + 1;
} else {
ps = toInt(start);
pe = ps + 1;
}
}
out.print(table(data, ps, pe));
}
return true;
}
/**
* Prints the specified range of the table.
*
* @param data data reference
* @param s first node to be printed
* @param e last node to be printed
* @return table
*/
public static byte[] table(final Data data, final int s, final int e) {
final TokenBuilder tb = new TokenBuilder();
final int ps = Math.max(0, s);
final int pe = Math.min(data.meta.size, e);
final Table table = th();
for (int p = ps; p < pe; ++p) table(table, data, p);
tb.add(table.finish());
final byte[] ns = data.ns.table(ps, pe);
if (ns.length != 0) tb.add(NL).add(ns).add(data.ns.toString(ps, pe)).add(NL);
return tb.finish();
}
/**
* Returns a string representation of the specified table range. Can be called for debugging.
*
* @param start start pre value
* @param end end pre value
* @return table
*/
final String toString(final int start, final int end) {
return string(InfoStorage.table(this, start, end));
}