/**
* Returns an atomized content for any node kind. The atomized value can be an attribute value or
* XML content.
*
* @param pre pre value
* @return atomized value
*/
public final byte[] atom(final int pre) {
switch (kind(pre)) {
case TEXT:
case COMM:
return text(pre, true);
case ATTR:
return text(pre, false);
case PI:
byte[] txt = text(pre, true);
final int i = indexOf(txt, ' ');
return i == -1 ? EMPTY : substring(txt, i + 1);
default:
// create atomized text node
TokenBuilder tb = null;
byte[] t = EMPTY;
int p = pre;
final int s = p + size(p, kind(p));
while (p != s) {
final int k = kind(p);
if (k == TEXT) {
txt = text(p, true);
if (t == EMPTY) {
t = txt;
} else {
if (tb == null) tb = new TokenBuilder(t);
tb.add(txt);
}
}
p += attSize(p, k);
}
return tb == null ? t : tb.finish();
}
}
@Override
public byte[] info() {
final TokenBuilder tb = new TokenBuilder(LI_STRUCTURE).add(SORTED_LIST).add(NL);
final IndexStats stats = new IndexStats(data);
for (int m = 1; m < size; ++m) {
final int oc = len[m];
if (stats.adding(oc)) stats.add(key(m));
}
stats.print(tb);
return tb.finish();
}
@Override
public synchronized byte[] info(final MainOptions options) {
final TokenBuilder tb = new TokenBuilder();
final long l = inX.length() + inY.length() + inZ.length();
tb.add(LI_NAMES).add(data.meta.ftinclude).add(NL);
tb.add(LI_SIZE + Performance.format(l, true) + NL);
final IndexStats stats = new IndexStats(options.get(MainOptions.MAXSTAT));
addOccs(stats);
stats.print(tb);
return tb.finish();
}
@Override
public byte[] info(final MainOptions options) {
final TokenBuilder tb = new TokenBuilder();
tb.add(LI_STRUCTURE).add(HASH).add(NL);
tb.add(LI_NAMES).add(data.meta.names(type)).add(NL);
final IndexStats stats = new IndexStats(options.get(MainOptions.MAXSTAT));
final int s = values.size();
for (int p = 1; p <= s; p++) {
final int oc = lenList.get(p);
if (oc > 0 && stats.adding(oc)) stats.add(values.key(p), oc);
}
stats.print(tb);
return tb.finish();
}
/**
* Returns a string representation of the index structure.
*
* @param all include database contents in the representation. During updates, database lookups
* must be avoided, as the data structures will be inconsistent.
* @return string
*/
public String toString(final boolean all) {
final TokenBuilder tb = new TokenBuilder();
tb.addExt(type).add(" INDEX, '").add(data.meta.name).add("':\n");
final int s = lenList.size();
for (int m = 1; m < s; m++) {
final int len = lenList.get(m);
if (len == 0) continue;
final int[] ids = idsList.get(m);
tb.add(" ").addInt(m);
if (all)
tb.add(", key: \"").add(data.text(data.pre(ids[0]), type == IndexType.TEXT)).add('"');
tb.add(", ids");
if (all) tb.add("/pres");
tb.add(": ");
for (int n = 0; n < len; n++) {
if (n != 0) tb.add(",");
tb.addInt(ids[n]);
if (all) tb.add('/').addInt(data.pre(ids[n]));
}
tb.add("\n");
}
return tb.toString();
}