/**
* Returns the sorted names of all available databases and, optionally, backups. Filters for
* {@code name} if not {@code null} with glob support.
*
* @param db return databases?
* @param backup return backups?
* @param name name filter (may be {@code null})
* @return database and backups list
*/
private StringList list(final boolean db, final boolean backup, final String name) {
final Pattern pt;
if (name != null) {
final String nm =
REGEX.matcher(name).matches()
? IOFile.regex(name)
: name.replaceAll("([" + REGEXCHARS + "])", "\\\\$1");
pt = Pattern.compile(nm, Prop.CASE ? 0 : Pattern.CASE_INSENSITIVE);
} else {
pt = null;
}
final IOFile[] children = soptions.dbpath().children();
final StringList list = new StringList(children.length);
final HashSet<String> map = new HashSet<>(children.length);
for (final IOFile f : children) {
final String fn = f.name();
String add = null;
if (backup && fn.endsWith(IO.ZIPSUFFIX)) {
final String nn = ZIPPATTERN.split(fn)[0];
if (!nn.equals(fn)) add = nn;
} else if (db && f.isDir() && fn.indexOf('.') == -1) {
add = fn;
}
// add entry if it matches the pattern, and has not already been added
if (add != null && (pt == null || pt.matcher(add).matches()) && map.add(add)) {
list.add(add);
}
}
return list.sort(false);
}
/**
* Chooses files that match the specified pattern.
*
* @param file file filter
* @param content content filter
* @param root root directory
* @return sorted file paths
* @throws InterruptedException interruption
*/
String[] filter(final String file, final String content, final IOFile root)
throws InterruptedException {
final long id = ++filterId;
final TreeSet<String> results = new TreeSet<>();
final int[] search = new TokenParser(Token.lc(Token.token(content))).toArray();
// glob pattern
final ProjectCache pc = cache(root);
if (file.contains("*") || file.contains("?")) {
final Pattern pt = Pattern.compile(IOFile.regex(file));
for (final String path : pc) {
final int offset = offset(path, true);
if (pt.matcher(path.substring(offset)).matches() && filterContent(path, search)) {
results.add(path);
if (results.size() >= MAXHITS) break;
}
if (id != filterId) throw new InterruptedException();
}
} else {
// starts-with, contains, camel case
final String pttrn = file.toLowerCase(Locale.ENGLISH).replace('\\', '/');
final HashSet<String> exclude = new HashSet<>();
final boolean pathSearch = pttrn.indexOf('/') != -1;
for (int i = 0; i < (pathSearch ? 2 : 3); i++) {
filter(pttrn, search, i, results, exclude, pathSearch, pc, id);
}
}
return results.toArray(new String[results.size()]);
}
/**
* Constructor.
* @param picture variable marker (info picture)
* @param def default presentation modifier
* @param info input info
* @throws QueryException query exception
*/
DateFormat(final byte[] picture, final byte[] def, final InputInfo info) throws QueryException {
super(info);
// split variable marker
final int comma = lastIndexOf(picture, ',');
byte[] pres = comma == -1 ? picture : substring(picture, 0, comma);
// extract second presentation modifier
final int pl = pres.length;
if(pl > 1) {
final int p = pres[pl - 1];
if(p == 'a' || p == 'c' || p == 'o' || p == 't') {
pres = substring(pres, 0, pl - 1);
if(p == 'o') ordinal = EMPTY;
if(p == 't') trad = true;
}
}
// choose first character and case
finish(pres.length == 0 ? def : presentation(pres, def, true));
// check width modifier
final byte[] width = comma == -1 ? null : substring(picture, comma + 1);
if(width != null) {
final Matcher m = WIDTH.matcher(string(width));
if(!m.find()) throw PICDATE_X.get(info, width);
int i = Strings.toInt(m.group(1));
if(i != Integer.MIN_VALUE) min = i;
final String mc = m.group(3);
i = mc != null ? Strings.toInt(mc) : Integer.MIN_VALUE;
if(i != Integer.MIN_VALUE) max = i;
}
}
/**
* Constructor.
*
* @param value value
* @param type item type
* @param ii input info
* @throws QueryException query exception
*/
private Dur(final byte[] value, final Type type, final InputInfo ii) throws QueryException {
this(type);
final String val = Token.string(value).trim();
final Matcher mt = DUR.matcher(val);
if (!mt.matches() || val.endsWith("P") || val.endsWith("T")) throw dateError(value, XDURR, ii);
yearMonth(value, mt, ii);
dayTime(value, mt, 6, ii);
}
/**
* Evaluates the analyze-string function.
*
* @param val input value
* @param ctx query context
* @return function result
* @throws QueryException query exception
*/
private Item analyzeString(final byte[] val, final QueryContext ctx) throws QueryException {
final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
if (p.matcher("").matches()) REGROUP.thrw(info);
final String str = string(val);
final Matcher m = p.matcher(str);
final FElem root = new FElem(Q_ANALYZE, new Atts(FN, FNURI));
int s = 0;
while (m.find()) {
if (s != m.start()) nonmatch(str.substring(s, m.start()), root);
match(m, str, root, 0);
s = m.end();
}
if (s != str.length()) nonmatch(str.substring(s), root);
return root;
}
/**
* Evaluates the tokenize function.
*
* @param ctx query context
* @return function result
* @throws QueryException query exception
*/
private Value tokenize(final QueryContext ctx) throws QueryException {
final byte[] val = checkEStr(expr[0], ctx);
final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
if (p.matcher("").matches()) REGROUP.thrw(info);
final TokenList tl = new TokenList();
final String str = string(val);
if (!str.isEmpty()) {
final Matcher m = p.matcher(str);
int s = 0;
while (m.find()) {
tl.add(str.substring(s, m.start()));
s = m.end();
}
tl.add(str.substring(s, str.length()));
}
return StrSeq.get(tl);
}
/**
* Evaluates the replace function.
*
* @param val input value
* @param ctx query context
* @return function result
* @throws QueryException query exception
*/
private Item replace(final byte[] val, final QueryContext ctx) throws QueryException {
final byte[] rep = checkStr(expr[2], ctx);
for (int i = 0; i < rep.length; ++i) {
if (rep[i] == '\\') {
if (i + 1 == rep.length || rep[i + 1] != '\\' && rep[i + 1] != '$') FUNREPBS.thrw(info);
++i;
}
if (rep[i] == '$'
&& (i == 0 || rep[i - 1] != '\\')
&& (i + 1 == rep.length || !digit(rep[i + 1]))) FUNREPDOL.thrw(info);
}
final Pattern p = pattern(expr[1], expr.length == 4 ? expr[3] : null, ctx);
if (p.pattern().isEmpty()) REGROUP.thrw(info);
String r = string(rep);
if ((p.flags() & Pattern.LITERAL) != 0) {
r = SLASH.matcher(BSLASH.matcher(r).replaceAll("\\\\\\\\")).replaceAll("\\\\\\$");
}
try {
return Str.get(p.matcher(string(val)).replaceAll(r));
} catch (final Exception ex) {
if (ex.getMessage().contains("No group")) REGROUP.thrw(info);
throw REGPAT.thrw(info, ex);
}
}
/**
* Initializes the date format.
*
* @param d input
* @param e example format
* @param ii input info
* @throws QueryException query exception
*/
final void date(final byte[] d, final String e, final InputInfo ii) throws QueryException {
final Matcher mt = DATE.matcher(Token.string(d).trim());
if (!mt.matches()) throw dateError(d, e, ii);
yea = toLong(mt.group(1), false, ii);
// +1 is added to BC values to simplify computations
if (yea < 0) yea++;
mon = (byte) (Strings.toInt(mt.group(3)) - 1);
day = (byte) (Strings.toInt(mt.group(4)) - 1);
if (mon < 0 || mon >= 12 || day < 0 || day >= dpm(yea, mon)) throw dateError(d, e, ii);
if (yea <= MIN_YEAR || yea > MAX_YEAR) throw DATERANGE_X_X.get(ii, type, chop(d, ii));
zone(mt, 5, d, ii);
}
/**
* Handles info messages resulting from a query execution.
*
* @param msg info message
* @return true if error was found
*/
private boolean error(final String msg) {
final String line = msg.replaceAll("[\\r\\n].*", "");
Matcher m = XQERROR.matcher(line);
int el, ec = 2;
if (!m.matches()) {
m = XMLERROR.matcher(line);
if (!m.matches()) return true;
el = Integer.parseInt(m.group(1));
errFile = getEditor().file.path();
} else {
el = Integer.parseInt(m.group(1));
ec = Integer.parseInt(m.group(2));
errFile = m.group(3);
}
final EditorArea edit = find(IO.get(errFile), false);
if (edit == null) return true;
// find approximate error position
final int ll = edit.last.length;
int ep = ll;
for (int e = 1, l = 1, c = 1; e < ll; ++c, e += cl(edit.last, e)) {
if (l > el || l == el && c == ec) {
ep = e;
break;
}
if (edit.last[e] == '\n') {
++l;
c = 0;
}
}
if (ep < ll && Character.isLetterOrDigit(cp(edit.last, ep))) {
while (ep > 0 && Character.isLetterOrDigit(cp(edit.last, ep - 1))) ep--;
}
edit.error(ep);
errPos = ep;
return true;
}
/**
* Checks the specified template and adds a variable.
*
* @param tmp template string
* @param type allowed type
* @param declared variable declaration flags
* @return resulting variable
* @throws QueryException query exception
*/
private QNm checkVariable(final String tmp, final Type type, final boolean[] declared)
throws QueryException {
final Var[] args = function.args;
final Matcher m = TEMPLATE.matcher(tmp);
if (!m.find()) error(INV_TEMPLATE, tmp);
final byte[] vn = token(m.group(1));
if (!XMLToken.isQName(vn)) error(INV_VARNAME, vn);
final QNm qnm = new QNm(vn, context);
int r = -1;
while (++r < args.length && !args[r].name.eq(qnm)) ;
if (r == args.length) error(UNKNOWN_VAR, vn);
if (declared[r]) error(VAR_ASSIGNED, vn);
final SeqType st = args[r].declaredType();
if (args[r].checksType() && !st.type.instanceOf(type)) error(INV_VARTYPE, vn, type);
declared[r] = true;
return qnm;
}
/**
* Initializes the time format.
*
* @param d input format
* @param e expected format
* @param ii input info
* @throws QueryException query exception
*/
final void time(final byte[] d, final String e, final InputInfo ii) throws QueryException {
final Matcher mt = TIME.matcher(Token.string(d).trim());
if (!mt.matches()) throw dateError(d, e, ii);
hou = (byte) Strings.toInt(mt.group(1));
min = (byte) Strings.toInt(mt.group(2));
sec = toDecimal(mt.group(3), false, ii);
if (min >= 60
|| sec.compareTo(BD60) >= 0
|| hou > 24
|| hou == 24 && (min > 0 || sec.compareTo(BigDecimal.ZERO) > 0)) throw dateError(d, e, ii);
zone(mt, 5, d, ii);
if (hou == 24) {
hou = 0;
add(DAYSECONDS);
}
}
/**
* Parser for formatting integers in dates and times.
*
* @author BaseX Team 2005-15, BSD License
* @author Christian Gruen
*/
final class DateFormat extends FormatParser {
/** With pattern: "," min-width ("-" max-width)?. */
private static final Pattern WIDTH = Pattern.compile("^(\\*|\\d+)(-(\\*|\\d+))?$");
/**
* Constructor.
*
* @param picture variable marker (info picture)
* @param def default presentation modifier
* @param info input info
* @throws QueryException query exception
*/
DateFormat(final byte[] picture, final byte[] def, final InputInfo info) throws QueryException {
super(info);
// split variable marker
final int comma = lastIndexOf(picture, ',');
byte[] pres = comma == -1 ? picture : substring(picture, 0, comma);
// extract second presentation modifier
final int pl = pres.length;
if (pl > 1) {
final int p = pres[pl - 1];
if (p == 'a' || p == 'c' || p == 'o' || p == 't') {
pres = substring(pres, 0, pl - 1);
if (p == 'o') ordinal = EMPTY;
if (p == 't') trad = true;
}
}
// choose first character and case
finish(pres.length == 0 ? def : presentation(pres, def, true));
// check width modifier
final byte[] width = comma == -1 ? null : substring(picture, comma + 1);
if (width != null) {
final Matcher m = WIDTH.matcher(string(width));
if (!m.find()) throw PICDATE_X.get(info, width);
int i = Strings.toInt(m.group(1));
if (i != Integer.MIN_VALUE) min = i;
final String mc = m.group(3);
i = mc != null ? Strings.toInt(mc) : Integer.MIN_VALUE;
if (i != Integer.MIN_VALUE) max = i;
}
}
}
/**
* Duration item ({@code xs:duration}).
*
* @author BaseX Team 2005-16, BSD License
* @author Christian Gruen
*/
public class Dur extends ADateDur {
/** Pattern for one or more digits. */
static final String DP = "(\\d+)";
/** Date pattern. */
private static final Pattern DUR =
Pattern.compile(
"(-?)P("
+ DP
+ "Y)?("
+ DP
+ "M)?("
+ DP
+ "D)?(T("
+ DP
+ "H)?("
+ DP
+ "M)?((\\d+|\\d*\\.\\d+)?S)?)?");
/** Number of months. */
long mon;
/**
* Constructor.
*
* @param value value
* @param ii input info
* @throws QueryException query exception
*/
public Dur(final byte[] value, final InputInfo ii) throws QueryException {
this(value, AtomType.DUR, ii);
}
/**
* Constructor.
*
* @param type item type
*/
Dur(final Type type) {
super(type);
}
/**
* Constructor.
*
* @param dur duration
*/
public Dur(final Dur dur) {
this(dur, AtomType.DUR);
}
/**
* Constructor.
*
* @param dur duration
* @param type item type
*/
private Dur(final Dur dur, final Type type) {
this(type);
mon = dur.mon;
sec = dur.sec == null ? BigDecimal.ZERO : dur.sec;
}
/**
* Constructor.
*
* @param value value
* @param type item type
* @param ii input info
* @throws QueryException query exception
*/
private Dur(final byte[] value, final Type type, final InputInfo ii) throws QueryException {
this(type);
final String val = Token.string(value).trim();
final Matcher mt = DUR.matcher(val);
if (!mt.matches() || val.endsWith("P") || val.endsWith("T")) throw dateError(value, XDURR, ii);
yearMonth(value, mt, ii);
dayTime(value, mt, 6, ii);
}
/**
* Initializes the yearMonth component.
*
* @param vl value
* @param mt matcher
* @param ii input info
* @throws QueryException query exception
*/
void yearMonth(final byte[] vl, final Matcher mt, final InputInfo ii) throws QueryException {
final long y = mt.group(2) != null ? toLong(mt.group(3), true, ii) : 0;
final long m = mt.group(4) != null ? toLong(mt.group(5), true, ii) : 0;
mon = y * 12 + m;
double v = y * 12d + m;
if (!mt.group(1).isEmpty()) {
mon = -mon;
v = -v;
}
if (v <= Long.MIN_VALUE || v >= Long.MAX_VALUE) throw DURRANGE_X_X.get(ii, type, vl);
}
/**
* Initializes the dayTime component.
*
* @param vl value
* @param mt matcher
* @param p first matching position
* @param ii input info
* @throws QueryException query exception
*/
void dayTime(final byte[] vl, final Matcher mt, final int p, final InputInfo ii)
throws QueryException {
final long d = mt.group(p) != null ? toLong(mt.group(p + 1), true, ii) : 0;
final long h = mt.group(p + 3) != null ? toLong(mt.group(p + 4), true, ii) : 0;
final long m = mt.group(p + 5) != null ? toLong(mt.group(p + 6), true, ii) : 0;
final BigDecimal s =
mt.group(p + 7) != null ? toDecimal(mt.group(p + 8), true, ii) : BigDecimal.ZERO;
sec =
s.add(BigDecimal.valueOf(d).multiply(DAYSECONDS))
.add(BigDecimal.valueOf(h).multiply(BD3600))
.add(BigDecimal.valueOf(m).multiply(BD60));
if (!mt.group(1).isEmpty()) sec = sec.negate();
final double v = sec.doubleValue();
if (v <= Long.MIN_VALUE || v >= Long.MAX_VALUE) throw DURRANGE_X_X.get(ii, type, vl);
}
@Override
public final long yea() {
return mon / 12;
}
@Override
public final long mon() {
return mon % 12;
}
@Override
public final long day() {
return sec.divideToIntegralValue(DAYSECONDS).longValue();
}
@Override
public final long hou() {
return tim() / 3600;
}
@Override
public final long min() {
return tim() % 3600 / 60;
}
@Override
public final BigDecimal sec() {
return sec.remainder(BD60);
}
/**
* Returns the time.
*
* @return time
*/
private long tim() {
return sec.remainder(DAYSECONDS).longValue();
}
@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 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');
}
@Override
public final boolean eq(
final Item it, final Collation coll, final StaticContext sc, final InputInfo ii)
throws QueryException {
final Dur d = (Dur) (it instanceof Dur ? it : type.cast(it, null, null, ii));
final BigDecimal s1 = sec == null ? BigDecimal.ZERO : sec;
final BigDecimal s2 = d.sec == null ? BigDecimal.ZERO : d.sec;
return mon == d.mon && s1.compareTo(s2) == 0;
}
@Override
public int diff(final Item it, final Collation coll, final InputInfo ii) throws QueryException {
throw diffError(ii, it, this);
}
@Override
public final Duration toJava() {
return ADate.DF.newDuration(Token.string(string(null)));
}
@Override
public final int hash(final InputInfo ii) {
return (int) (31 * mon + (sec == null ? 0 : sec.doubleValue()));
}
@Override
public final String toString() {
return Util.info("\"%\"", string(null));
}
}
/**
* Abstract super class for date items.
*
* @author BaseX Team 2005-15, BSD License
* @author Christian Gruen
*/
public abstract class ADate extends ADateDur {
/** Maximum value for computations on year value based on long range. */
static final long MAX_YEAR = (long) (Long.MAX_VALUE / 365.2425) - 2;
/** Minimum year value. */
static final long MIN_YEAR = -MAX_YEAR;
/** Constant for counting negative years (divisible by 400). */
private static final long ADD_NEG = (MAX_YEAR / 400 + 1) * 400;
/** Pattern for two digits. */
static final String DD = "(\\d{2})";
/** Year pattern. */
static final String YEAR = "(-?(000[1-9]|00[1-9]\\d|0[1-9]\\d{2}|[1-9]\\d{3,}))";
/** Date pattern. */
static final String ZONE = "((\\+|-)" + DD + ':' + DD + "|Z)?";
/** Day per months. */
static final byte[] DAYS = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
/** Date pattern. */
private static final Pattern DATE = Pattern.compile(YEAR + '-' + DD + '-' + DD + ZONE);
/** Time pattern. */
private static final Pattern TIME =
Pattern.compile(DD + ':' + DD + ':' + "(\\d{2}(\\.\\d+)?)" + ZONE);
/**
* Year.
*
* <ul>
* <li>1 - {@code Long#MAX_VALUE}-1: AD
* <li>0 - {@link Long#MIN_VALUE}: BC, +1 added
* <li>{@link Long#MAX_VALUE}: undefined
* </ul>
*/
long yea = Long.MAX_VALUE;
/** Month ({@code 0-11}). {@code -1}: undefined. */
byte mon = -1;
/** Day ({@code 0-30}). {@code -1}: undefined. */
byte day = -1;
/** Hour ({@code 0-59}). {@code -1}: undefined. */
byte hou = -1;
/** Minute ({@code 0-59}). {@code -1}: undefined. */
byte min = -1;
/** Timezone in minutes ({@code -14*60-14*60}). {@link Short#MAX_VALUE}: undefined. */
short tz = Short.MAX_VALUE;
/** Data factory. */
static final DatatypeFactory DF;
static {
try {
DF = DatatypeFactory.newInstance();
} catch (final Exception ex) {
throw Util.notExpected(ex);
}
}
/**
* Constructor.
*
* @param type item type
* @param date date reference
*/
ADate(final Type type, final ADate date) {
super(type);
yea = date.yea;
mon = date.mon;
day = date.day;
hou = date.hou;
min = date.min;
sec = date.sec;
tz = date.tz;
}
/**
* Constructor.
*
* @param type item type
*/
ADate(final Type type) {
super(type);
}
/**
* Initializes the date format.
*
* @param d input
* @param e example format
* @param ii input info
* @throws QueryException query exception
*/
final void date(final byte[] d, final String e, final InputInfo ii) throws QueryException {
final Matcher mt = DATE.matcher(Token.string(d).trim());
if (!mt.matches()) throw dateError(d, e, ii);
yea = toLong(mt.group(1), false, ii);
// +1 is added to BC values to simplify computations
if (yea < 0) yea++;
mon = (byte) (Strings.toInt(mt.group(3)) - 1);
day = (byte) (Strings.toInt(mt.group(4)) - 1);
if (mon < 0 || mon >= 12 || day < 0 || day >= dpm(yea, mon)) throw dateError(d, e, ii);
if (yea <= MIN_YEAR || yea > MAX_YEAR) throw DATERANGE_X_X.get(ii, type, chop(d, ii));
zone(mt, 5, d, ii);
}
/**
* Initializes the time format.
*
* @param d input format
* @param e expected format
* @param ii input info
* @throws QueryException query exception
*/
final void time(final byte[] d, final String e, final InputInfo ii) throws QueryException {
final Matcher mt = TIME.matcher(Token.string(d).trim());
if (!mt.matches()) throw dateError(d, e, ii);
hou = (byte) Strings.toInt(mt.group(1));
min = (byte) Strings.toInt(mt.group(2));
sec = toDecimal(mt.group(3), false, ii);
if (min >= 60
|| sec.compareTo(BD60) >= 0
|| hou > 24
|| hou == 24 && (min > 0 || sec.compareTo(BigDecimal.ZERO) > 0)) throw dateError(d, e, ii);
zone(mt, 5, d, ii);
if (hou == 24) {
hou = 0;
add(DAYSECONDS);
}
}
/**
* Initializes the timezone.
*
* @param matcher matcher
* @param pos first matching position
* @param value value
* @param ii input info
* @throws QueryException query exception
*/
final void zone(final Matcher matcher, final int pos, final byte[] value, final InputInfo ii)
throws QueryException {
final String z = matcher.group(pos);
if (z == null) return;
if ("Z".equals(z)) {
tz = 0;
} else {
final int th = Strings.toInt(matcher.group(pos + 2));
final int tm = Strings.toInt(matcher.group(pos + 3));
if (th > 14 || tm > 59 || th == 14 && tm != 0) throw INVALIDZONE_X.get(ii, value);
final int mn = th * 60 + tm;
tz = (short) ("-".equals(matcher.group(pos + 1)) ? -mn : mn);
}
}
/**
* Adds/subtracts the specified dayTime duration.
*
* @param dur duration
* @param plus plus/minus flag
*/
final void calc(final DTDur dur, final boolean plus) {
add(plus ? dur.sec : dur.sec.negate());
}
/**
* Adds/subtracts the specified yearMonth duration.
*
* @param dur duration
* @param plus plus/minus flag
* @param ii input info
* @throws QueryException query exception
*/
final void calc(final YMDur dur, final boolean plus, final InputInfo ii) throws QueryException {
final long m = plus ? dur.mon : -dur.mon;
final long mn = mon + m;
mon = (byte) mod(mn, 12);
yea += div(mn, 12);
day = (byte) Math.min(dpm(yea, mon) - 1, day);
if (yea <= MIN_YEAR || yea > MAX_YEAR) throw YEARRANGE_X.get(ii, yea);
}
/**
* 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];
}
/**
* Returns a normalized module value for negative and positive values.
*
* @param value input value
* @param mod modulo
* @return result
*/
private static long mod(final long value, final int mod) {
return value > 0 ? value % mod : (Long.MAX_VALUE / mod * mod + value) % mod;
}
/**
* Returns a normalized division value for negative and positive values.
*
* @param value input value
* @param div divisor
* @return result
*/
private static long div(final long value, final int div) {
return value < 0 ? (value + 1) / div - 1 : value / div;
}
/**
* Adjusts the timezone.
*
* @param zone timezone
* @param spec indicates if zone has been specified (may be {@code null})
* @param ii input info
* @throws QueryException query exception
*/
public abstract void timeZone(final DTDur zone, final boolean spec, final InputInfo ii)
throws QueryException;
/**
* Adjusts the timezone.
*
* @param zone timezone
* @param spec indicates if zone has been specified (may be {@code null})
* @param ii input info
* @throws QueryException query exception
*/
void tz(final DTDur zone, final boolean spec, final InputInfo ii) throws QueryException {
final short t;
if (spec && zone == null) {
t = Short.MAX_VALUE;
} else {
if (zone == null) {
final Calendar c = Calendar.getInstance();
t = (short) ((c.get(Calendar.ZONE_OFFSET) + c.get(Calendar.DST_OFFSET)) / 60000);
} else {
t = (short) (zone.min() + zone.hou() * 60);
if (zone.sec().signum() != 0) throw ZONESEC_X.get(ii, zone);
if (Math.abs(t) > 60 * 14 || zone.day() != 0) throw INVALZONE_X.get(ii, zone);
}
// change time if two competing time zones exist
if (tz != Short.MAX_VALUE) add(BigDecimal.valueOf(60L * (t - tz)));
}
tz = t;
}
@Override
public final long yea() {
return yea > 0 ? yea : yea - 1;
}
@Override
public final long mon() {
return mon + 1;
}
@Override
public final long day() {
return day + 1;
}
@Override
public final long hou() {
return hou;
}
@Override
public final long min() {
return min;
}
@Override
public final BigDecimal sec() {
return sec == null ? BigDecimal.ZERO : sec;
}
/**
* Returns the timezone in minutes.
*
* @return time zone
*/
public final int tz() {
return tz;
}
/**
* Returns if the timezone is defined.
*
* @return time zone
*/
public final boolean tzDefined() {
return tz != Short.MAX_VALUE;
}
@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 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);
}
}
/**
* 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);
}
@Override
public final boolean eq(
final Item it, final Collation coll, final StaticContext sc, final InputInfo ii)
throws QueryException {
final ADate d = (ADate) (it instanceof ADate ? it : type.cast(it, null, null, ii));
final BigDecimal d1 = seconds().add(days().multiply(DAYSECONDS));
final BigDecimal d2 = d.seconds().add(d.days().multiply(DAYSECONDS));
return d1.compareTo(d2) == 0;
}
@Override
public int hash(final InputInfo ii) throws QueryException {
return seconds().add(days().multiply(DAYSECONDS)).intValue();
}
@Override
public int diff(final Item it, final Collation coll, final InputInfo ii) throws QueryException {
final ADate d = (ADate) (it instanceof ADate ? it : type.cast(it, null, null, ii));
final BigDecimal d1 = seconds().add(days().multiply(DAYSECONDS));
final BigDecimal d2 = d.seconds().add(d.days().multiply(DAYSECONDS));
return d1.compareTo(d2);
}
@Override
public final XMLGregorianCalendar toJava() {
return DF.newXMLGregorianCalendar(
yea == Long.MAX_VALUE ? null : BigInteger.valueOf(yea > 0 ? yea : yea - 1),
mon >= 0 ? mon + 1 : Integer.MIN_VALUE,
day >= 0 ? day + 1 : Integer.MIN_VALUE,
hou >= 0 ? hou : Integer.MIN_VALUE,
min >= 0 ? min : Integer.MIN_VALUE,
sec != null ? sec.intValue() : Integer.MIN_VALUE,
sec != null ? sec.remainder(BigDecimal.ONE) : null,
tz == Short.MAX_VALUE ? Integer.MIN_VALUE : tz);
}
/**
* 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));
}
/**
* 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));
}
/**
* Returns a day count for the specified years, months and days. All values must be specified in
* their internal representation (undefined values are supported, too). Algorithm is derived from
* J R Stockton (http://www.merlyn.demon.co.uk/daycount.htm).
*
* @param year year
* @param month month
* @param day days
* @return days
*/
private static BigDecimal days(final long year, final int month, final int day) {
final long y = year - (month < 2 ? 1 : 0);
final int m = month + (month < 2 ? 13 : 1);
final int d = day + 1;
return BD365
.multiply(BigDecimal.valueOf(y))
.add(BigDecimal.valueOf(y / 4 - y / 100 + y / 400 - 92 + d + (153 * m - 2) / 5));
}
/**
* Converts a day count into year, month and day components. Algorithm is derived from J R
* Stockton (http://www.merlyn.demon.co.uk/daycount.htm).
*
* @param days day count
* @return result array
*/
private static long[] ymd(final BigDecimal days) {
BigDecimal d = days;
BigDecimal t =
d.add(BD36525).multiply(BD4).divideToIntegralValue(BD146097).subtract(BigDecimal.ONE);
BigDecimal y = BD100.multiply(t);
d = d.subtract(BD36524.multiply(t).add(t.divideToIntegralValue(BD4)));
t = d.add(BD366).multiply(BD4).divideToIntegralValue(BD1461).subtract(BigDecimal.ONE);
y = y.add(t);
d = d.subtract(BD365.multiply(t).add(t.divideToIntegralValue(BD4)));
final BigDecimal m = BD5.multiply(d).add(BD2).divideToIntegralValue(BD153);
d = d.subtract(BD153.multiply(m).add(BD2).divideToIntegralValue(BD5));
long mm = m.longValue();
if (mm > 9) {
mm -= 12;
y = y.add(BigDecimal.ONE);
}
return new long[] {y.subtract(BigDecimal.valueOf(ADD_NEG)).longValue(), mm + 2, d.longValue()};
}
/**
* Returns days per month, considering leap years.
*
* @param yea year
* @param mon month
* @return days
*/
public static int dpm(final long yea, final int mon) {
final byte l = DAYS[mon];
return mon == 1 && yea % 4 == 0 && (yea % 100 != 0 || yea % 400 == 0) ? l + 1 : l;
}
@Override
public final String toString() {
return Util.info("\"%\"", string(null));
}
}
/**
* Evaluates the match function.
*
* @param val input value
* @param ctx query context
* @return function result
* @throws QueryException query exception
*/
private Item matches(final byte[] val, final QueryContext ctx) throws QueryException {
final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
return Bln.get(p.matcher(string(val)).find());
}
/**
* This class represents a single RESTXQ function.
*
* @author BaseX Team 2005-12, BSD License
* @author Christian Gruen
*/
final class RestXqFunction implements Comparable<RestXqFunction> {
/** Pattern for a single template. */
private static final Pattern TEMPLATE = Pattern.compile("\\s*\\{\\s*\\$(.+?)\\s*\\}\\s*");
/** Supported methods. */
EnumSet<HTTPMethod> methods = EnumSet.allOf(HTTPMethod.class);
/** Serialization parameters. */
final SerializerProp output = new SerializerProp();
/** Associated function. */
final StaticUserFunc function;
/** Associated module. */
final RestXqModule module;
/** Path. */
RestXqPath path;
/** Query parameters. */
final ArrayList<RestXqParam> queryParams = new ArrayList<RestXqParam>();
/** Form parameters. */
final ArrayList<RestXqParam> formParams = new ArrayList<RestXqParam>();
/** Header parameters. */
final ArrayList<RestXqParam> headerParams = new ArrayList<RestXqParam>();
/** Cookie parameters. */
final ArrayList<RestXqParam> cookieParams = new ArrayList<RestXqParam>();
/** Query context. */
private final QueryContext context;
/** Consumed media types. */
private final StringList consumes = new StringList();
/** Returned media types. */
private final StringList produces = new StringList();
/** Post/Put variable. */
private QNm requestBody;
/**
* Constructor.
*
* @param uf associated user function
* @param qc query context
* @param m associated module
*/
RestXqFunction(final StaticUserFunc uf, final QueryContext qc, final RestXqModule m) {
function = uf;
context = qc;
module = m;
}
/**
* Processes the HTTP request. Parses new modules and discards obsolete ones.
*
* @param http HTTP context
* @throws Exception exception
*/
void process(final HTTPContext http) throws Exception {
try {
module.process(http, this);
} catch (final QueryException ex) {
if (ex.file() == null) ex.info(function.info);
throw ex;
}
}
/**
* Checks a function for RESTFful annotations.
*
* @return {@code true} if module contains relevant annotations
* @throws QueryException query exception
*/
boolean analyze() throws QueryException {
// parse all annotations
final EnumSet<HTTPMethod> mth = EnumSet.noneOf(HTTPMethod.class);
final boolean[] declared = new boolean[function.args.length];
boolean found = false;
final int as = function.ann.size();
for (int a = 0; a < as; a++) {
final QNm name = function.ann.names[a];
final Value value = function.ann.values[a];
final byte[] local = name.local();
final byte[] uri = name.uri();
final boolean rexq = eq(uri, QueryText.RESTXQURI);
if (rexq) {
if (eq(PATH, local)) {
// annotation "path"
if (path != null) error(ANN_TWICE, "%", name.string());
path = new RestXqPath(toString(value, name));
for (final String s : path) {
if (s.trim().startsWith("{")) checkVariable(s, AtomType.AAT, declared);
}
} else if (eq(CONSUMES, local)) {
// annotation "consumes"
strings(value, name, consumes);
} else if (eq(PRODUCES, local)) {
// annotation "produces"
strings(value, name, produces);
} else if (eq(QUERY_PARAM, local)) {
// annotation "query-param"
queryParams.add(param(value, name, declared));
} else if (eq(FORM_PARAM, local)) {
// annotation "form-param"
formParams.add(param(value, name, declared));
} else if (eq(HEADER_PARAM, local)) {
// annotation "header-param"
headerParams.add(param(value, name, declared));
} else if (eq(COOKIE_PARAM, local)) {
// annotation "cookie-param"
cookieParams.add(param(value, name, declared));
} else {
// method annotations
final HTTPMethod m = HTTPMethod.get(string(local));
if (m == null) error(ANN_UNKNOWN, "%", name.string());
if (!value.isEmpty()) {
// remember post/put variable
if (requestBody != null) error(ANN_TWICE, "%", name.string());
if (m != POST && m != PUT) error(METHOD_VALUE, m);
requestBody = checkVariable(toString(value, name), declared);
}
if (mth.contains(m)) error(ANN_TWICE, "%", name.string());
mth.add(m);
}
} else if (eq(uri, QueryText.OUTPUTURI)) {
// serialization parameters
final String key = string(local);
final String val = toString(value, name);
if (output.get(key) == null) error(UNKNOWN_SER, key);
output.set(key, val);
}
found |= rexq;
}
if (!mth.isEmpty()) methods = mth;
if (found) {
if (path == null) error(ANN_MISSING, PATH);
for (int i = 0; i < declared.length; i++)
if (!declared[i]) error(VAR_UNDEFINED, function.args[i].name.string());
}
return found;
}
/**
* Checks if an HTTP request matches this function and its constraints.
*
* @param http http context
* @return result of check
*/
boolean matches(final HTTPContext http) {
// check method, path, consumed and produced media type
return methods.contains(http.method) && pathMatches(http) && consumes(http) && produces(http);
}
/**
* Binds the annotated variables.
*
* @param http http context
* @param arg argument array
* @throws QueryException query exception
* @throws IOException I/O exception
*/
void bind(final HTTPContext http, final Expr[] arg) throws QueryException, IOException {
// bind variables from segments
for (int s = 0; s < path.size; s++) {
final Matcher m = TEMPLATE.matcher(path.segment[s]);
if (!m.find()) continue;
final QNm qnm = new QNm(token(m.group(1)), context);
bind(qnm, arg, new Atm(http.segment(s)));
}
// cache request body
final String ct = http.contentType();
IOContent body = null;
if (requestBody != null) {
body = cache(http, null);
try {
// bind request body in the correct format
body.name(http.method + IO.XMLSUFFIX);
bind(requestBody, arg, Parser.item(body, context.context.prop, ct));
} catch (final IOException ex) {
error(INPUT_CONV, ex);
}
}
// bind query parameters
final Map<String, String[]> params = http.params();
for (final RestXqParam rxp : queryParams) bind(rxp, arg, params.get(rxp.key));
// bind form parameters
if (!formParams.isEmpty()) {
if (MimeTypes.APP_FORM.equals(ct)) {
// convert parameters encoded in a form
body = cache(http, body);
addParams(body.toString(), params);
}
for (final RestXqParam rxp : formParams) bind(rxp, arg, params.get(rxp.key));
}
// bind header parameters
for (final RestXqParam rxp : headerParams) {
final StringList sl = new StringList();
final Enumeration<?> en = http.req.getHeaders(rxp.key);
while (en.hasMoreElements()) {
for (final String s : en.nextElement().toString().split(", *")) sl.add(s);
}
bind(rxp, arg, sl.toArray());
}
// bind cookie parameters
final Cookie[] ck = http.req.getCookies();
for (final RestXqParam rxp : cookieParams) {
String v = null;
if (ck != null) {
for (final Cookie c : ck) {
if (rxp.key.equals(c.getName())) v = c.getValue();
}
}
if (v == null) bind(rxp, arg);
else bind(rxp, arg, v);
}
}
/**
* Creates an exception with the specified message.
*
* @param msg message
* @param ext error extension
* @return exception
* @throws QueryException query exception
*/
QueryException error(final String msg, final Object... ext) throws QueryException {
throw new QueryException(function.info, Err.BASX_RESTXQ, Util.info(msg, ext));
}
@Override
public int compareTo(final RestXqFunction rxf) {
return path.compareTo(rxf.path);
}
// PRIVATE METHODS ====================================================================
/**
* Checks the specified template and adds a variable.
*
* @param tmp template string
* @param declared variable declaration flags
* @return resulting variable
* @throws QueryException query exception
*/
private QNm checkVariable(final String tmp, final boolean[] declared) throws QueryException {
return checkVariable(tmp, AtomType.ITEM, declared);
}
/**
* Checks the specified template and adds a variable.
*
* @param tmp template string
* @param type allowed type
* @param declared variable declaration flags
* @return resulting variable
* @throws QueryException query exception
*/
private QNm checkVariable(final String tmp, final Type type, final boolean[] declared)
throws QueryException {
final Var[] args = function.args;
final Matcher m = TEMPLATE.matcher(tmp);
if (!m.find()) error(INV_TEMPLATE, tmp);
final byte[] vn = token(m.group(1));
if (!XMLToken.isQName(vn)) error(INV_VARNAME, vn);
final QNm qnm = new QNm(vn, context);
int r = -1;
while (++r < args.length && !args[r].name.eq(qnm)) ;
if (r == args.length) error(UNKNOWN_VAR, vn);
if (declared[r]) error(VAR_ASSIGNED, vn);
final SeqType st = args[r].declaredType();
if (args[r].checksType() && !st.type.instanceOf(type)) error(INV_VARTYPE, vn, type);
declared[r] = true;
return qnm;
}
/**
* Checks if the path matches the HTTP request.
*
* @param http http context
* @return result of check
*/
private boolean pathMatches(final HTTPContext http) {
return path.matches(http);
}
/**
* Checks if the consumed content type matches.
*
* @param http http context
* @return result of check
*/
private boolean consumes(final HTTPContext http) {
// return true if no type is given
if (consumes.isEmpty()) return true;
// return true if no content type is specified by the user
final String ct = http.contentType();
if (ct == null) return true;
// check if any combination matches
for (final String c : consumes) {
if (MimeTypes.matches(c, ct)) return true;
}
return false;
}
/**
* Checks if the produced content type matches.
*
* @param http http context
* @return result of check
*/
private boolean produces(final HTTPContext http) {
// return true if no type is given
if (produces.isEmpty()) return true;
// check if any combination matches
for (final String pr : http.produces()) {
for (final String p : produces) {
if (MimeTypes.matches(p, pr)) return true;
}
}
return false;
}
/**
* Binds the specified parameter to a variable.
*
* @param rxp parameter
* @param args argument array
* @param values values to be bound; the parameter's default value is assigned if the argument is
* {@code null} or empty
* @throws QueryException query exception
*/
private void bind(final RestXqParam rxp, final Expr[] args, final String... values)
throws QueryException {
final Value val;
if (values == null || values.length == 0) {
val = rxp.value;
} else {
final ValueBuilder vb = new ValueBuilder();
for (final String s : values) vb.add(new Atm(s));
val = vb.value();
}
bind(rxp.name, args, val);
}
/**
* Binds the specified value to a variable.
*
* @param name variable name
* @param args argument array
* @param value value to be bound
* @throws QueryException query exception
*/
private void bind(final QNm name, final Expr[] args, final Value value) throws QueryException {
// skip nulled values
if (value == null) return;
for (int i = 0; i < function.args.length; i++) {
final Var var = function.args[i];
if (!var.name.eq(name)) continue;
// casts and binds the value
args[i] = var.checkType(value, context, null);
break;
}
}
/**
* Returns the specified value as an atomic string.
*
* @param value value
* @param name name
* @return string
* @throws QueryException HTTP exception
*/
private String toString(final Value value, final QNm name) throws QueryException {
if (!(value instanceof Str)) error(ANN_STRING, "%", name.string(), value);
return ((Str) value).toJava();
}
/**
* Adds items to the specified list.
*
* @param value value
* @param name name
* @param list list to add values to
* @throws QueryException HTTP exception
*/
private void strings(final Value value, final QNm name, final StringList list)
throws QueryException {
final long vs = value.size();
for (int v = 0; v < vs; v++) list.add(toString(value.itemAt(v), name));
}
/**
* Returns a parameter.
*
* @param value value
* @param name name
* @param declared variable declaration flags
* @return parameter
* @throws QueryException HTTP exception
*/
private RestXqParam param(final Value value, final QNm name, final boolean[] declared)
throws QueryException {
// [CG] RESTXQ: allow identical field names?
final long vs = value.size();
if (vs < 2) error(ANN_PARAMS, "%", name.string(), 2);
// name of parameter
final String key = toString(value.itemAt(0), name);
// variable template
final QNm qnm = checkVariable(toString(value.itemAt(1), name), declared);
// default value
final ValueBuilder vb = new ValueBuilder();
for (int v = 2; v < vs; v++) vb.add(value.itemAt(v));
return new RestXqParam(qnm, key, vb.value());
}
// PRIVATE STATIC METHODS =============================================================
/**
* Caches the request body, if not done yet.
*
* @param http http context
* @param cache cache existing cache reference
* @return cache
* @throws IOException I/O exception
*/
private static IOContent cache(final HTTPContext http, final IOContent cache) throws IOException {
if (cache != null) return cache;
final BufferInput bi = new BufferInput(http.req.getInputStream());
final IOContent io = new IOContent(bi.content());
io.name(http.method + IO.XMLSUFFIX);
return io;
}
/**
* Adds parameters from the passed on request body.
*
* @param body request body
* @param params map parameters
*/
private static void addParams(final String body, final Map<String, String[]> params) {
for (final String nv : body.split("&")) {
final String[] parts = nv.split("=", 2);
if (parts.length < 2) continue;
try {
params.put(parts[0], new String[] {URLDecoder.decode(parts[1], Token.UTF8)});
} catch (final Exception ex) {
Util.notexpected(ex);
}
}
}
}
/**
* String pattern functions.
*
* @author BaseX Team 2005-12, BSD License
* @author Christian Gruen
*/
public final class FNPat extends StandardFunc {
/** Pattern cache. */
private final TokenObjMap<Pattern> patterns = new TokenObjMap<Pattern>();
/** Slash pattern. */
private static final Pattern SLASH = Pattern.compile("\\$");
/** Slash pattern. */
private static final Pattern BSLASH = Pattern.compile("\\\\");
/** Root element for the analyze-string-result function. */
private static final QNm Q_ANALYZE = new QNm("fn:analyze-string-result", FNURI);
/** Element for the analyze-string-result function. */
private static final QNm Q_MATCH = new QNm("fn:match", FNURI);
/** Element for the analyze-string-result function. */
private static final QNm Q_NONMATCH = new QNm("fn:non-match", FNURI);
/** Element for the analyze-string-result function. */
private static final QNm Q_MGROUP = new QNm("fn:group", FNURI);
/** Attribute for the analyze-string-result function. */
private static final QNm Q_NR = new QNm("nr");
/**
* Constructor.
*
* @param ii input info
* @param f function definition
* @param e arguments
*/
public FNPat(final InputInfo ii, final Function f, final Expr... e) {
super(ii, f, e);
}
@Override
public Iter iter(final QueryContext ctx) throws QueryException {
switch (sig) {
case TOKENIZE:
return tokenize(ctx).iter();
default:
return super.iter(ctx);
}
}
@Override
public Value value(final QueryContext ctx) throws QueryException {
switch (sig) {
case TOKENIZE:
return tokenize(ctx);
default:
return super.value(ctx);
}
}
@Override
public Item item(final QueryContext ctx, final InputInfo ii) throws QueryException {
switch (sig) {
case MATCHES:
return matches(checkEStr(expr[0], ctx), ctx);
case REPLACE:
return replace(checkEStr(expr[0], ctx), ctx);
case ANALYZE_STRING:
return analyzeString(checkEStr(expr[0], ctx), ctx);
default:
return super.item(ctx, ii);
}
}
/**
* Evaluates the match function.
*
* @param val input value
* @param ctx query context
* @return function result
* @throws QueryException query exception
*/
private Item matches(final byte[] val, final QueryContext ctx) throws QueryException {
final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
return Bln.get(p.matcher(string(val)).find());
}
/**
* Evaluates the analyze-string function.
*
* @param val input value
* @param ctx query context
* @return function result
* @throws QueryException query exception
*/
private Item analyzeString(final byte[] val, final QueryContext ctx) throws QueryException {
final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
if (p.matcher("").matches()) REGROUP.thrw(info);
final String str = string(val);
final Matcher m = p.matcher(str);
final FElem root = new FElem(Q_ANALYZE, new Atts(FN, FNURI));
int s = 0;
while (m.find()) {
if (s != m.start()) nonmatch(str.substring(s, m.start()), root);
match(m, str, root, 0);
s = m.end();
}
if (s != str.length()) nonmatch(str.substring(s), root);
return root;
}
/**
* Processes a match.
*
* @param m matcher
* @param str string
* @param par parent
* @param g group number
* @return next group number and position in string
*/
private static int[] match(final Matcher m, final String str, final FElem par, final int g) {
final FElem nd = new FElem(g == 0 ? Q_MATCH : Q_MGROUP, new Atts(FN, FNURI));
if (g > 0) nd.add(Q_NR, token(g));
final int start = m.start(g), end = m.end(g), gc = m.groupCount();
int[] pos = {g + 1, start}; // group and position in string
while (pos[0] <= gc && m.end(pos[0]) <= end) {
final int st = m.start(pos[0]);
if (st >= 0) { // group matched
if (pos[1] < st) nd.add(str.substring(pos[1], st));
pos = match(m, str, nd, pos[0]);
} else pos[0]++; // skip it
}
if (pos[1] < end) {
nd.add(str.substring(pos[1], end));
pos[1] = end;
}
par.add(nd);
return pos;
}
/**
* Processes a non-match.
*
* @param text text
* @param par root node
*/
private static void nonmatch(final String text, final FElem par) {
par.add(new FElem(Q_NONMATCH, new Atts(FN, FNURI)).add(text));
}
/**
* Evaluates the replace function.
*
* @param val input value
* @param ctx query context
* @return function result
* @throws QueryException query exception
*/
private Item replace(final byte[] val, final QueryContext ctx) throws QueryException {
final byte[] rep = checkStr(expr[2], ctx);
for (int i = 0; i < rep.length; ++i) {
if (rep[i] == '\\') {
if (i + 1 == rep.length || rep[i + 1] != '\\' && rep[i + 1] != '$') FUNREPBS.thrw(info);
++i;
}
if (rep[i] == '$'
&& (i == 0 || rep[i - 1] != '\\')
&& (i + 1 == rep.length || !digit(rep[i + 1]))) FUNREPDOL.thrw(info);
}
final Pattern p = pattern(expr[1], expr.length == 4 ? expr[3] : null, ctx);
if (p.pattern().isEmpty()) REGROUP.thrw(info);
String r = string(rep);
if ((p.flags() & Pattern.LITERAL) != 0) {
r = SLASH.matcher(BSLASH.matcher(r).replaceAll("\\\\\\\\")).replaceAll("\\\\\\$");
}
try {
return Str.get(p.matcher(string(val)).replaceAll(r));
} catch (final Exception ex) {
if (ex.getMessage().contains("No group")) REGROUP.thrw(info);
throw REGPAT.thrw(info, ex);
}
}
/**
* Evaluates the tokenize function.
*
* @param ctx query context
* @return function result
* @throws QueryException query exception
*/
private Value tokenize(final QueryContext ctx) throws QueryException {
final byte[] val = checkEStr(expr[0], ctx);
final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
if (p.matcher("").matches()) REGROUP.thrw(info);
final TokenList tl = new TokenList();
final String str = string(val);
if (!str.isEmpty()) {
final Matcher m = p.matcher(str);
int s = 0;
while (m.find()) {
tl.add(str.substring(s, m.start()));
s = m.end();
}
tl.add(str.substring(s, str.length()));
}
return StrSeq.get(tl);
}
/**
* Returns a regular expression pattern.
*
* @param pattern input pattern
* @param modifier modifier item
* @param ctx query context
* @return pattern modifier
* @throws QueryException query exception
*/
private Pattern pattern(final Expr pattern, final Expr modifier, final QueryContext ctx)
throws QueryException {
final byte[] pat = checkStr(pattern, ctx);
final byte[] mod = modifier != null ? checkStr(modifier, ctx) : null;
final TokenBuilder tb = new TokenBuilder(pat);
if (mod != null) tb.add(0).add(mod);
final byte[] key = tb.finish();
Pattern p = patterns.get(key);
if (p == null) {
p = RegExParser.parse(pat, mod, ctx.sc.xquery3(), info);
patterns.add(key, p);
}
return p;
}
@Override
public boolean xquery3() {
return sig == ANALYZE_STRING;
}
@Override
public boolean uses(final Use u) {
return u == Use.X30 && xquery3() || u == Use.CNS && sig == ANALYZE_STRING || super.uses(u);
}
}
/**
* This view allows the input and evaluation of queries and documents.
*
* @author BaseX Team 2005-12, BSD License
* @author Christian Gruen
*/
public final class EditorView extends View {
/** Error string. */
private static final String ERRSTRING =
STOPPED_AT + ' ' + (LINE_X + ", " + COLUMN_X).replaceAll("%", "([0-9]+)");
/** XQuery error pattern. */
private static final Pattern XQERROR =
Pattern.compile(ERRSTRING + ' ' + IN_FILE_X.replaceAll("%", "(.*?)") + COL);
/** XML error pattern. */
private static final Pattern XMLERROR =
Pattern.compile(LINE_X.replaceAll("%", "(.*?)") + COL + ".*");
/** History Button. */
final BaseXButton hist;
/** Execute Button. */
final BaseXButton stop;
/** Info label. */
final BaseXLabel info;
/** Position label. */
final BaseXLabel pos;
/** Query area. */
final BaseXTabs tabs;
/** Execute button. */
final BaseXButton go;
/** Thread counter. */
int threadID;
/** File in which the most recent error occurred. */
String errFile;
/** Most recent error position; used for clicking on error message. */
int errPos;
/** Header string. */
private final BaseXLabel header;
/** Filter button. */
private final BaseXButton filter;
/** Search panel. */
public final SearchPanel search;
/**
* Default constructor.
*
* @param man view manager
*/
public EditorView(final ViewNotifier man) {
super(EDITORVIEW, man);
if (Prop.langright) applyComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
border(6, 6, 6, 6).layout(new BorderLayout(0, 2)).setFocusable(false);
header = new BaseXLabel(EDITOR, true, false);
final BaseXButton srch = new BaseXButton(gui, "search", H_REPLACE);
final BaseXButton openB = BaseXButton.command(GUICommands.C_EDITOPEN, gui);
final BaseXButton saveB = new BaseXButton(gui, "save", H_SAVE);
hist = new BaseXButton(gui, "hist", H_RECENTLY_OPEN);
final BaseXBack buttons = new BaseXBack(Fill.NONE);
buttons.layout(new TableLayout(1, 4, 1, 0));
buttons.add(srch);
buttons.add(openB);
buttons.add(saveB);
buttons.add(hist);
final BaseXBack b = new BaseXBack(Fill.NONE).layout(new BorderLayout(8, 0));
if (Prop.langright) {
b.add(header, BorderLayout.EAST);
b.add(buttons, BorderLayout.WEST);
} else {
b.add(header, BorderLayout.CENTER);
b.add(buttons, BorderLayout.EAST);
}
add(b, BorderLayout.NORTH);
tabs = new BaseXTabs(gui);
tabs.setFocusable(false);
final SearchEditor se = new SearchEditor(gui, tabs, null).button(srch);
search = se.panel();
addCreateTab();
add(se, BorderLayout.CENTER);
// status and query pane
search.editor(addTab(), false);
info = new BaseXLabel().setText(OK, Msg.SUCCESS);
pos = new BaseXLabel(" ");
posCode.invokeLater();
stop = new BaseXButton(gui, "stop", H_STOP_PROCESS);
stop.addKeyListener(this);
stop.setEnabled(false);
go = new BaseXButton(gui, "go", H_EXECUTE_QUERY);
go.addKeyListener(this);
filter = BaseXButton.command(GUICommands.C_FILTER, gui);
filter.addKeyListener(this);
filter.setEnabled(false);
final BaseXBack status = new BaseXBack(Fill.NONE).layout(new BorderLayout(4, 0));
status.add(info, BorderLayout.CENTER);
status.add(pos, BorderLayout.EAST);
final BaseXBack query = new BaseXBack(Fill.NONE).layout(new TableLayout(1, 3, 1, 0));
query.add(stop);
query.add(go);
query.add(filter);
final BaseXBack south = new BaseXBack(Fill.NONE).border(4, 0, 0, 0);
south.layout(new BorderLayout(8, 0));
south.add(status, BorderLayout.CENTER);
south.add(query, BorderLayout.EAST);
add(south, BorderLayout.SOUTH);
refreshLayout();
// add listeners
saveB.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
final JPopupMenu pop = new JPopupMenu();
final StringBuilder mnem = new StringBuilder();
final JMenuItem sa = GUIMenu.newItem(GUICommands.C_EDITSAVE, gui, mnem);
final JMenuItem sas = GUIMenu.newItem(GUICommands.C_EDITSAVEAS, gui, mnem);
GUICommands.C_EDITSAVE.refresh(gui, sa);
GUICommands.C_EDITSAVEAS.refresh(gui, sas);
pop.add(sa);
pop.add(sas);
pop.show(saveB, 0, saveB.getHeight());
}
});
hist.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
final JPopupMenu pm = new JPopupMenu();
final ActionListener al =
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent ac) {
open(new IOFile(ac.getActionCommand()));
}
};
final StringList sl = new StringList();
for (final EditorArea ea : editors()) sl.add(ea.file.path());
for (final String en :
new StringList().add(gui.gprop.strings(GUIProp.EDITOR)).sort(!Prop.WIN, true)) {
final JMenuItem it = new JMenuItem(en);
it.setEnabled(!sl.contains(en));
pm.add(it).addActionListener(al);
}
pm.show(hist, 0, hist.getHeight());
}
});
refreshHistory(null);
info.addMouseListener(
new MouseAdapter() {
@Override
public void mouseClicked(final MouseEvent e) {
EditorArea ea = getEditor();
if (errFile != null) {
ea = find(IO.get(errFile), false);
if (ea == null) ea = open(new IOFile(errFile));
tabs.setSelectedComponent(ea);
}
if (errPos == -1) return;
ea.jumpError(errPos);
posCode.invokeLater();
}
});
stop.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
stop.setEnabled(false);
go.setEnabled(false);
gui.stop();
}
});
go.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
getEditor().release(Action.EXECUTE);
}
});
tabs.addChangeListener(
new ChangeListener() {
@Override
public void stateChanged(final ChangeEvent e) {
final EditorArea ea = getEditor();
if (ea == null) return;
search.editor(ea, true);
gui.refreshControls();
posCode.invokeLater();
}
});
BaseXLayout.addDrop(
this,
new DropHandler() {
@Override
public void drop(final Object file) {
if (file instanceof File) open(new IOFile((File) file));
}
});
}
@Override
public void refreshInit() {}
@Override
public void refreshFocus() {}
@Override
public void refreshMark() {
final EditorArea edit = getEditor();
go.setEnabled(edit.script || edit.xquery && !gui.gprop.is(GUIProp.EXECRT));
final Nodes mrk = gui.context.marked;
filter.setEnabled(!gui.gprop.is(GUIProp.FILTERRT) && mrk != null && mrk.size() != 0);
}
@Override
public void refreshContext(final boolean more, final boolean quick) {}
@Override
public void refreshLayout() {
header.setFont(GUIConstants.lfont);
for (final EditorArea edit : editors()) edit.setFont(GUIConstants.mfont);
search.refreshLayout();
}
@Override
public void refreshUpdate() {}
@Override
public boolean visible() {
return gui.gprop.is(GUIProp.SHOWEDITOR);
}
@Override
public void visible(final boolean v) {
gui.gprop.set(GUIProp.SHOWEDITOR, v);
}
@Override
protected boolean db() {
return false;
}
/** Opens a new file. */
public void open() {
// open file chooser for XML creation
final BaseXFileChooser fc = new BaseXFileChooser(OPEN, gui.gprop.get(GUIProp.WORKPATH), gui);
fc.filter(BXS_FILES, IO.BXSSUFFIX);
fc.filter(XQUERY_FILES, IO.XQSUFFIXES);
fc.filter(XML_DOCUMENTS, IO.XMLSUFFIXES);
final IOFile[] files = fc.multi().selectAll(Mode.FOPEN);
for (final IOFile f : files) open(f);
}
/** Reverts the contents of the currently opened editor. */
public void reopen() {
getEditor().reopen(true);
}
/**
* Saves the contents of the currently opened editor.
*
* @return {@code false} if operation was canceled
*/
public boolean save() {
final EditorArea edit = getEditor();
return edit.opened() ? save(edit.file) : saveAs();
}
/**
* Saves the contents of the currently opened editor under a new name.
*
* @return {@code false} if operation was canceled
*/
public boolean saveAs() {
// open file chooser for XML creation
final EditorArea edit = getEditor();
final BaseXFileChooser fc =
new BaseXFileChooser(SAVE_AS, edit.file.path(), gui).filter(XQUERY_FILES, IO.XQSUFFIXES);
final IOFile file = fc.select(Mode.FSAVE);
return file != null && save(file);
}
/** Creates a new file. */
public void newFile() {
addTab();
refreshControls(true);
}
/**
* Opens the specified query file.
*
* @param file query file
* @return opened editor
*/
public EditorArea open(final IOFile file) {
if (!visible()) GUICommands.C_SHOWEDITOR.execute(gui);
EditorArea edit = find(file, true);
try {
if (edit != null) {
// display open file
tabs.setSelectedComponent(edit);
edit.reopen(true);
} else {
// get current editor
edit = getEditor();
// create new tab if current text is stored on disk or has been modified
if (edit.opened() || edit.modified) edit = addTab();
edit.initText(file.read());
edit.file(file);
}
} catch (final IOException ex) {
BaseXDialog.error(gui, FILE_NOT_OPENED);
}
return edit;
}
/**
* Refreshes the list of recent query files and updates the query path.
*
* @param file new file
*/
void refreshHistory(final IOFile file) {
final StringList sl = new StringList();
String path = null;
if (file != null) {
path = file.path();
gui.gprop.set(GUIProp.WORKPATH, file.dirPath());
sl.add(path);
tabs.setToolTipTextAt(tabs.getSelectedIndex(), path);
}
final String[] qu = gui.gprop.strings(GUIProp.EDITOR);
for (int q = 0; q < qu.length && q < 19; q++) {
final String f = qu[q];
if (!f.equalsIgnoreCase(path) && IO.get(f).exists()) sl.add(f);
}
// store sorted history
gui.gprop.set(GUIProp.EDITOR, sl.toArray());
hist.setEnabled(!sl.isEmpty());
}
/**
* Closes an editor.
*
* @param edit editor to be closed. {@code null} closes the currently opened editor.
* @return {@code true} if editor was closed
*/
public boolean close(final EditorArea edit) {
final EditorArea ea = edit != null ? edit : getEditor();
if (!confirm(ea)) return false;
tabs.remove(ea);
final int t = tabs.getTabCount();
final int i = tabs.getSelectedIndex();
if (t == 1) {
// reopen single tab
addTab();
} else if (i + 1 == t) {
// if necessary, activate last editor tab
tabs.setSelectedIndex(i - 1);
}
return true;
}
/** Jumps to a specific line. */
public void gotoLine() {
final EditorArea edit = getEditor();
final int ll = edit.last.length;
final int cr = edit.getCaret();
int l = 1;
for (int e = 0; e < ll && e < cr; e += cl(edit.last, e)) {
if (edit.last[e] == '\n') ++l;
}
final DialogLine dl = new DialogLine(gui, l);
if (!dl.ok()) return;
final int el = dl.line();
int p = 0;
l = 1;
for (int e = 0; e < ll && l < el; e += cl(edit.last, e)) {
if (edit.last[e] != '\n') continue;
p = e + 1;
++l;
}
edit.setCaret(p);
posCode.invokeLater();
}
/** Starts a thread, which shows a waiting info after a short timeout. */
public void start() {
final int thread = threadID;
new Thread() {
@Override
public void run() {
Performance.sleep(200);
if (thread == threadID) {
info.setText(PLEASE_WAIT_D, Msg.SUCCESS).setToolTipText(null);
stop.setEnabled(true);
}
}
}.start();
}
/**
* Evaluates the info message resulting from a parsed or executed query.
*
* @param msg info message
* @param ok {@code true} if evaluation was successful
* @param up update
*/
public void info(final String msg, final boolean ok, final boolean up) {
++threadID;
errPos = -1;
errFile = null;
getEditor().resetError();
final String m =
msg.replaceAll("^.*\r?\n\\[.*?\\]", "")
.replaceAll(".*" + LINE_X.replaceAll("%", ".*?") + COL, "");
if (ok) {
info.setCursor(GUIConstants.CURSORARROW);
info.setText(m, Msg.SUCCESS).setToolTipText(null);
} else {
info.setCursor(error(msg) ? GUIConstants.CURSORHAND : GUIConstants.CURSORARROW);
info.setText(m, Msg.ERROR).setToolTipText(msg);
}
if (up) {
stop.setEnabled(false);
refreshMark();
}
}
/**
* Handles info messages resulting from a query execution.
*
* @param msg info message
* @return true if error was found
*/
private boolean error(final String msg) {
final String line = msg.replaceAll("[\\r\\n].*", "");
Matcher m = XQERROR.matcher(line);
int el, ec = 2;
if (!m.matches()) {
m = XMLERROR.matcher(line);
if (!m.matches()) return true;
el = Integer.parseInt(m.group(1));
errFile = getEditor().file.path();
} else {
el = Integer.parseInt(m.group(1));
ec = Integer.parseInt(m.group(2));
errFile = m.group(3);
}
final EditorArea edit = find(IO.get(errFile), false);
if (edit == null) return true;
// find approximate error position
final int ll = edit.last.length;
int ep = ll;
for (int e = 1, l = 1, c = 1; e < ll; ++c, e += cl(edit.last, e)) {
if (l > el || l == el && c == ec) {
ep = e;
break;
}
if (edit.last[e] == '\n') {
++l;
c = 0;
}
}
if (ep < ll && Character.isLetterOrDigit(cp(edit.last, ep))) {
while (ep > 0 && Character.isLetterOrDigit(cp(edit.last, ep - 1))) ep--;
}
edit.error(ep);
errPos = ep;
return true;
}
/**
* Shows a quit dialog for all modified query files.
*
* @return {@code false} if confirmation was canceled
*/
public boolean confirm() {
for (final EditorArea edit : editors()) {
tabs.setSelectedComponent(edit);
if (!close(edit)) return false;
}
return true;
}
/**
* Checks if the current text can be saved or reverted.
*
* @param rev revert flag
* @return result of check
*/
public boolean modified(final boolean rev) {
final EditorArea edit = getEditor();
return edit.modified || !rev && !edit.opened();
}
/**
* Returns the current editor.
*
* @return editor
*/
public EditorArea getEditor() {
final Component c = tabs.getSelectedComponent();
return c instanceof EditorArea ? (EditorArea) c : null;
}
/**
* Refreshes the query modification flag.
*
* @param force action
*/
void refreshControls(final boolean force) {
// update modification flag
final EditorArea edit = getEditor();
final boolean oe = edit.modified;
edit.modified = edit.hist != null && edit.hist.modified();
if (edit.modified == oe && !force) return;
// update tab title
String title = edit.file.name();
if (edit.modified) title += '*';
edit.label.setText(title);
// update components
gui.refreshControls();
posCode.invokeLater();
}
/** Code for setting cursor position. */
final GUICode posCode =
new GUICode() {
@Override
public void eval(final Object arg) {
final int[] lc = getEditor().pos();
pos.setText(lc[0] + " : " + lc[1]);
}
};
/**
* Finds the editor that contains the specified file.
*
* @param file file to be found
* @param opened considers only opened files
* @return editor
*/
EditorArea find(final IO file, final boolean opened) {
for (final EditorArea edit : editors()) {
if (edit.file.eq(file) && (!opened || edit.opened())) return edit;
}
return null;
}
/**
* Saves the specified editor contents.
*
* @param file file to write
* @return {@code false} if confirmation was canceled
*/
private boolean save(final IOFile file) {
try {
final EditorArea edit = getEditor();
file.write(edit.getText());
edit.file(file);
return true;
} catch (final IOException ex) {
BaseXDialog.error(gui, FILE_NOT_SAVED);
return false;
}
}
/**
* Choose a unique tab file.
*
* @return io reference
*/
private IOFile newTabFile() {
// collect numbers of existing files
final BoolList bl = new BoolList();
for (final EditorArea edit : editors()) {
if (edit.opened()) continue;
final String n = edit.file.name().substring(FILE.length());
bl.set(n.isEmpty() ? 1 : Integer.parseInt(n), true);
}
// find first free file number
int c = 0;
while (++c < bl.size() && bl.get(c)) ;
// create io reference
return new IOFile(gui.gprop.get(GUIProp.WORKPATH), FILE + (c == 1 ? "" : c));
}
/**
* Adds a new editor tab.
*
* @return editor reference
*/
EditorArea addTab() {
final EditorArea edit = new EditorArea(this, newTabFile());
edit.setFont(GUIConstants.mfont);
final BaseXBack tab = new BaseXBack(new BorderLayout(10, 0)).mode(Fill.NONE);
tab.add(edit.label, BorderLayout.CENTER);
final BaseXButton close = tabButton("e_close");
close.setRolloverIcon(BaseXLayout.icon("e_close2"));
close.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
close(edit);
}
});
tab.add(close, BorderLayout.EAST);
tabs.add(edit, tab, tabs.getComponentCount() - 2);
return edit;
}
/** Adds a tab for creating new tabs. */
private void addCreateTab() {
final BaseXButton add = tabButton("e_new");
add.setRolloverIcon(BaseXLayout.icon("e_new2"));
add.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
addTab();
refreshControls(true);
}
});
tabs.add(new BaseXBack(), add, 0);
tabs.setEnabledAt(0, false);
}
/**
* Adds a new tab button.
*
* @param icon button icon
* @return button
*/
private BaseXButton tabButton(final String icon) {
final BaseXButton b = new BaseXButton(gui, icon, null);
b.border(2, 2, 2, 2).setContentAreaFilled(false);
b.setFocusable(false);
return b;
}
/**
* Shows a quit dialog for the specified editor.
*
* @param edit editor to be saved
* @return {@code false} if confirmation was canceled
*/
private boolean confirm(final EditorArea edit) {
if (edit.modified && (edit.opened() || edit.getText().length != 0)) {
final Boolean ok = BaseXDialog.yesNoCancel(gui, Util.info(CLOSE_FILE_X, edit.file.name()));
if (ok == null || ok && !save()) return false;
}
return true;
}
/**
* Returns all editors.
*
* @return editors
*/
EditorArea[] editors() {
final ArrayList<EditorArea> edits = new ArrayList<EditorArea>();
for (final Component c : tabs.getComponents()) {
if (c instanceof EditorArea) edits.add((EditorArea) c);
}
return edits.toArray(new EditorArea[edits.size()]);
}
}
/**
* Provides central access to all databases and backups.
*
* @author BaseX Team 2005-14, BSD License
* @author Jens Erat
*/
public final class Databases {
/**
* Allowed characters for database names (additional to letters and digits). The following
* characters are invalid:
*
* <ul>
* <li>{@code ,?*}" are used by the glob syntax
* <li>{@code ;} is reserved for separating commands.
* <li>{@code :*?\"<>\/|}" are used for filenames and paths
* </ul>
*/
static final String DBCHARS = "-+=~!#$%^&()[]{}@'`";
/** Regex representation of allowed database characters. */
public static final String REGEXCHARS = DBCHARS.replaceAll("(.)", "\\\\$1");
/** Pattern to extract the database name from a backup file name. */
private static final Pattern ZIPPATTERN =
Pattern.compile(DateTime.PATTERN + '\\' + IO.ZIPSUFFIX + '$');
/** Regex indicator. */
private static final Pattern REGEX = Pattern.compile(".*[*?,].*");
/** Static options. */
private final StaticOptions soptions;
/**
* Creates a new instance and loads available databases.
*
* @param soptions static options
*/
Databases(final StaticOptions soptions) {
this.soptions = soptions;
}
/**
* Lists all available databases and backups.
*
* @return database and backup list
*/
public StringList list() {
return list(true, true, null);
}
/**
* Lists all available databases.
*
* @return database list
*/
public StringList listDBs() {
return list(true, false, null);
}
/**
* Lists all available databases matching the given name. Supports glob patterns.
*
* @param name database name, glob patterns allowed
* @return database list
*/
public StringList listDBs(final String name) {
return list(true, false, name);
}
/**
* Returns the sorted names of all available databases and, optionally, backups. Filters for
* {@code name} if not {@code null} with glob support.
*
* @param db return databases?
* @param backup return backups?
* @param name name filter (may be {@code null})
* @return database and backups list
*/
private StringList list(final boolean db, final boolean backup, final String name) {
final Pattern pt;
if (name != null) {
final String nm =
REGEX.matcher(name).matches()
? IOFile.regex(name)
: name.replaceAll("([" + REGEXCHARS + "])", "\\\\$1");
pt = Pattern.compile(nm, Prop.CASE ? 0 : Pattern.CASE_INSENSITIVE);
} else {
pt = null;
}
final IOFile[] children = soptions.dbpath().children();
final StringList list = new StringList(children.length);
final HashSet<String> map = new HashSet<>(children.length);
for (final IOFile f : children) {
final String fn = f.name();
String add = null;
if (backup && fn.endsWith(IO.ZIPSUFFIX)) {
final String nn = ZIPPATTERN.split(fn)[0];
if (!nn.equals(fn)) add = nn;
} else if (db && f.isDir() && fn.indexOf('.') == -1) {
add = fn;
}
// add entry if it matches the pattern, and has not already been added
if (add != null && (pt == null || pt.matcher(add).matches()) && map.add(add)) {
list.add(add);
}
}
return list.sort(false);
}
/**
* Returns the names of all backups.
*
* @return backups
*/
public StringList backups() {
final StringList backups = new StringList();
for (final IOFile f : soptions.dbpath().children()) {
final String n = f.name();
if (n.endsWith(IO.ZIPSUFFIX)) backups.add(n.substring(0, n.lastIndexOf('.')));
}
return backups;
}
/**
* Returns the name of a specific backup, or all backups found for a specific database, in a
* descending order.
*
* @param db database
* @return names of specified backups
*/
public StringList backups(final String db) {
final StringList backups = new StringList();
final IOFile file = soptions.dbpath(db + IO.ZIPSUFFIX);
if (file.exists()) {
backups.add(db);
} else {
final String regex =
db.replaceAll("([" + REGEXCHARS + "])", "\\\\$1") + DateTime.PATTERN + IO.ZIPSUFFIX;
for (final IOFile f : soptions.dbpath().children()) {
final String n = f.name();
if (n.matches(regex)) backups.add(n.substring(0, n.lastIndexOf('.')));
}
}
return backups.sort(Prop.CASE, false);
}
/**
* Extracts the name of a database from the name of a backup.
*
* @param backup Name of the backup file. Valid formats: {@code [dbname]-yyyy-mm-dd-hh-mm-ss},
* {@code [dbname]}
* @return name of the database ({@code [dbname]})
*/
public static String name(final String backup) {
return Pattern.compile(DateTime.PATTERN + '$').split(backup)[0];
}
/**
* Checks if the specified character is a valid character for a database name.
*
* @param ch the character to be checked
* @return result of check
*/
public static boolean validChar(final int ch) {
return Token.letterOrDigit(ch) || DBCHARS.indexOf(ch) != -1;
}
/**
* Checks if the specified string is a valid database name.
*
* @param name name to be checked
* @return result of check
*/
public static boolean validName(final String name) {
return validName(name, false);
}
/**
* Checks if the specified string is a valid database name.
*
* @param name name to be checked
* @param glob allow glob syntax
* @return result of check
*/
public static boolean validName(final String name, final boolean glob) {
if (name == null) return false;
final int nl = name.length();
for (int n = 0; n < nl; n++) {
final char ch = name.charAt(n);
if ((!glob || ch != '?' && ch != '*' && ch != ',') && !validChar(ch)) return false;
}
return nl != 0;
}
}
/**
* Extracts the name of a database from the name of a backup.
*
* @param backup Name of the backup file. Valid formats: {@code [dbname]-yyyy-mm-dd-hh-mm-ss},
* {@code [dbname]}
* @return name of the database ({@code [dbname]})
*/
public static String name(final String backup) {
return Pattern.compile(DateTime.PATTERN + '$').split(backup)[0];
}
/**
* Binds the annotated variables.
*
* @param http http context
* @param arg argument array
* @throws QueryException query exception
* @throws IOException I/O exception
*/
void bind(final HTTPContext http, final Expr[] arg) throws QueryException, IOException {
// bind variables from segments
for (int s = 0; s < path.size; s++) {
final Matcher m = TEMPLATE.matcher(path.segment[s]);
if (!m.find()) continue;
final QNm qnm = new QNm(token(m.group(1)), context);
bind(qnm, arg, new Atm(http.segment(s)));
}
// cache request body
final String ct = http.contentType();
IOContent body = null;
if (requestBody != null) {
body = cache(http, null);
try {
// bind request body in the correct format
body.name(http.method + IO.XMLSUFFIX);
bind(requestBody, arg, Parser.item(body, context.context.prop, ct));
} catch (final IOException ex) {
error(INPUT_CONV, ex);
}
}
// bind query parameters
final Map<String, String[]> params = http.params();
for (final RestXqParam rxp : queryParams) bind(rxp, arg, params.get(rxp.key));
// bind form parameters
if (!formParams.isEmpty()) {
if (MimeTypes.APP_FORM.equals(ct)) {
// convert parameters encoded in a form
body = cache(http, body);
addParams(body.toString(), params);
}
for (final RestXqParam rxp : formParams) bind(rxp, arg, params.get(rxp.key));
}
// bind header parameters
for (final RestXqParam rxp : headerParams) {
final StringList sl = new StringList();
final Enumeration<?> en = http.req.getHeaders(rxp.key);
while (en.hasMoreElements()) {
for (final String s : en.nextElement().toString().split(", *")) sl.add(s);
}
bind(rxp, arg, sl.toArray());
}
// bind cookie parameters
final Cookie[] ck = http.req.getCookies();
for (final RestXqParam rxp : cookieParams) {
String v = null;
if (ck != null) {
for (final Cookie c : ck) {
if (rxp.key.equals(c.getName())) v = c.getValue();
}
}
if (v == null) bind(rxp, arg);
else bind(rxp, arg, v);
}
}