/**
* Returns the date in seconds.
*
* @return seconds
*/
final BigDecimal seconds() {
int z = tz;
if (z == Short.MAX_VALUE) {
// [CG] XQuery, DateTime: may be removed
final long n = System.currentTimeMillis();
z = Calendar.getInstance().getTimeZone().getOffset(n) / 60000;
}
return (sec == null ? BigDecimal.ZERO : sec)
.add(BigDecimal.valueOf(Math.max(0, hou) * 3600 + Math.max(0, min) * 60 - z * 60));
}
/**
* Adds the specified dayTime duration.
*
* @param add value to be added
*/
private void add(final BigDecimal add) {
// normalized modulo: sc % 60 vs. (-sc + sc % 60 + 60 + sc) % 60
final BigDecimal sc = sec().add(add);
sec =
sc.signum() >= 0
? sc.remainder(BD60)
: sc.negate().add(sc.remainder(BD60)).add(BD60).add(sc).remainder(BD60);
final long mn = Math.max(min(), 0) + div(sc.longValue(), 60);
min = (byte) mod(mn, 60);
final long ho = Math.max(hou, 0) + div(mn, 60);
hou = (byte) mod(ho, 24);
final long da = div(ho, 24);
final long[] ymd = ymd(days().add(BigDecimal.valueOf(da)));
yea = ymd[0];
mon = (byte) ymd[1];
day = (byte) ymd[2];
}
/**
* Rounds values.
*
* @param qc query context
* @param even half-to-even flag
* @return number
* @throws QueryException query exception
*/
ANum round(final QueryContext qc, final boolean even) throws QueryException {
final ANum num = toNumber(exprs[0], qc);
final long p = exprs.length == 1 ? 0 : Math.max(Integer.MIN_VALUE, toLong(exprs[1], qc));
return num == null ? null : p > Integer.MAX_VALUE ? num : num.round((int) p, even);
}
/**
* Evaluates the specified query.
*
* @param query query
* @return success flag
*/
final boolean query(final String query) {
final Performance p = new Performance();
String error;
if (exception != null) {
error = Util.message(exception);
} else {
try {
long hits = 0;
final boolean run = options.get(MainOptions.RUNQUERY);
final boolean serial = options.get(MainOptions.SERIALIZE);
final int runs = Math.max(1, options.get(MainOptions.RUNS));
for (int r = 0; r < runs; ++r) {
// reuse existing processor instance
if (r != 0) qp = null;
qp(query, context);
parse(p);
if (r == 0) plan(false);
qp.compile();
info.compiling += p.time();
if (r == 0) plan(true);
if (!run) continue;
final PrintOutput po = r == 0 && serial ? out : new NullOutput();
try (final Serializer ser = qp.getSerializer(po)) {
if (maxResults >= 0) {
result = qp.cache(maxResults);
info.evaluating += p.time();
result.serialize(ser);
hits = result.size();
} else {
hits = 0;
final Iter ir = qp.iter();
info.evaluating += p.time();
for (Item it; (it = ir.next()) != null; ) {
ser.serialize(it);
++hits;
checkStop();
}
}
}
qp.close();
info.serializing += p.time();
}
// dump some query info
// out.flush();
// remove string list if global locking is used and if query is updating
if (soptions.get(StaticOptions.GLOBALLOCK) && qp.updating) {
info.readLocked = null;
info.writeLocked = null;
}
return info(info.toString(qp, out.size(), hits, options.get(MainOptions.QUERYINFO)));
} catch (final QueryException | IOException ex) {
exception = ex;
error = Util.message(ex);
} catch (final ProcException ex) {
error = INTERRUPTED;
} catch (final StackOverflowError ex) {
Util.debug(ex);
error = BASX_STACKOVERFLOW.desc;
} catch (final RuntimeException ex) {
extError("");
Util.debug(info());
throw ex;
} finally {
// close processor after exceptions
if (qp != null) qp.close();
}
}
return extError(error);
}
/**
* Returns a day count.
*
* @return days
*/
final BigDecimal days() {
final long y = yea == Long.MAX_VALUE ? 1 : yea;
return days(y + ADD_NEG, Math.max(mon, 0), Math.max(day, 0));
}
/**
* Analyzes the specified patterns.
*
* @param patterns patterns
* @return picture variables
*/
private Picture[] analyze(final byte[][] patterns) {
// pictures
final int picL = patterns.length;
final Picture[] pics = new Picture[picL];
// analyze patterns
for (int p = 0; p < picL; p++) {
final byte[] pt = patterns[p];
final Picture pic = new Picture();
// position (integer/fractional)
int pos = 0;
// active character found
boolean act = false;
// number of characters after exponent
int exp = -1;
// number of optional characters
final int[] opt = new int[2];
// loop through all characters
final int pl = pt.length;
for (int i = 0, cl; i < pl; i += cl) {
final int ch = ch(pt, i);
cl = cl(pt, i);
boolean active = contains(actives, ch);
if (ch == decimal) {
++pos;
act = false;
} else if (ch == optional) {
opt[pos]++;
} else if (ch == exponent) {
if (act && containsActive(pt, i + cl)) {
exp = 0;
} else {
active = false;
}
} else if (ch == grouping) {
if (pos == 0) pic.group[pos] = Array.add(pic.group[pos], pic.min[pos] + opt[pos]);
} else if (contains(digits, ch)) {
if (exp == -1) pic.min[pos]++;
else exp++;
}
if (active) {
act = true;
} else {
// passive characters
pic.pc |= ch == percent;
pic.pm |= ch == permille;
// prefixes/suffixes
pic.prefSuf[pos == 0 && act ? pos + 1 : pos].add(ch);
}
}
// finalize integer-part-grouping-positions
final int[] igp = pic.group[0];
final int igl = igp.length;
for (int g = 0; g < igl; ++g) igp[g] = pic.min[0] + opt[0] - igp[g];
// check if integer-part-grouping-positions are regular
// if yes, they are replaced with a single position
if (igl > 1) {
boolean reg = true;
final int i = igp[igl - 1];
for (int g = igl - 2; g >= 0; --g) reg &= i * igl == igp[g];
if (reg) pic.group[0] = new int[] {i};
}
pic.maxFrac = pic.min[1] + opt[1];
pic.minExp = Math.max(0, exp);
pics[p] = pic;
}
return pics;
}
