@Override
public String toString() {
final TokenBuilder tb = new TokenBuilder().add(var.toString()).add(' ').add(ASSIGN);
tb.add(' ').add(expr.toString());
if (coll != null) tb.add(' ').add(COLLATION).add(" \"").add(coll.uri()).add('"');
return tb.toString();
}
@Override
public byte[] string(final InputInfo ii) {
final TokenBuilder tb = new TokenBuilder();
final int ss = sec.signum();
if (mon < 0 || ss < 0) tb.add('-');
date(tb);
time(tb);
if (mon == 0 && ss == 0) tb.add("T0S");
return tb.finish();
}
/**
* Adds the time zone to the specified token builder.
*
* @param tb token builder
*/
void zone(final TokenBuilder tb) {
if (tz == Short.MAX_VALUE) return;
if (tz == 0) {
tb.add('Z');
} else {
tb.add(tz > 0 ? '+' : '-');
prefix(tb, Math.abs(tz) / 60, 2);
tb.add(':');
prefix(tb, Math.abs(tz) % 60, 2);
}
}
@Override
public byte[] string(final InputInfo ii) {
final TokenBuilder tb = new TokenBuilder();
final boolean ymd = yea != Long.MAX_VALUE;
if (ymd) {
if (yea <= 0) tb.add('-');
prefix(tb, Math.abs(yea()), 4);
tb.add('-');
prefix(tb, mon(), 2);
tb.add('-');
prefix(tb, day(), 2);
}
if (hou >= 0) {
if (ymd) tb.add('T');
prefix(tb, hou(), 2);
tb.add(':');
prefix(tb, min(), 2);
tb.add(':');
if (sec.intValue() < 10) tb.add('0');
tb.addExt(Token.chopNumber(Token.token(sec().abs().toPlainString())));
}
zone(tb);
return tb.finish();
}
/**
* Adds the date to the specified token builder.
*
* @param tb token builder
*/
final void date(final TokenBuilder tb) {
tb.add('P');
final long y = yea();
if (y != 0) {
tb.addLong(Math.abs(y));
tb.add('Y');
}
final long m = mon();
if (m != 0) {
tb.addLong(Math.abs(m));
tb.add('M');
}
final long d = day();
if (d != 0) {
tb.addLong(Math.abs(d));
tb.add('D');
}
}
/**
* Adds the time to the specified token builder.
*
* @param tb token builder
*/
final void time(final TokenBuilder tb) {
if (sec.remainder(DAYSECONDS).signum() == 0) return;
tb.add('T');
final long h = hou();
if (h != 0) {
tb.addLong(Math.abs(h));
tb.add('H');
}
final long m = min();
if (m != 0) {
tb.addLong(Math.abs(m));
tb.add('M');
}
final BigDecimal sc = sec();
if (sc.signum() == 0) return;
tb.add(Token.chopNumber(Token.token(sc.abs().toPlainString()))).add('S');
}
/**
* Prefixes the specified number of zero digits before a number.
*
* @param tb token builder
* @param number number to be printed
* @param zero maximum number of zero digits
*/
static void prefix(final TokenBuilder tb, final long number, final int zero) {
final byte[] t = Token.token(number);
for (int i = t.length; i < zero; i++) tb.add('0');
tb.add(t);
}