/**
* Returns all tokens of the query.
*
* @param qc query context
* @return token list
* @throws QueryException query exception
*/
private TokenList tokens(final QueryContext qc) throws QueryException {
final TokenList tl = new TokenList();
final Iter ir = qc.iter(query);
for (byte[] qu; (qu = nextToken(ir)) != null; ) {
// skip empty tokens if not all results are needed
if (qu.length != 0 || mode == FTMode.ALL || mode == FTMode.ALL_WORDS) tl.add(qu);
}
return tl;
}
/**
* Lists all databases.
*
* @return success flag
* @throws IOException I/O exception
*/
private boolean list() throws IOException {
final Table table = new Table();
table.description = DATABASES_X;
final boolean create = context.user.has(Perm.CREATE);
table.header.add(T_NAME);
table.header.add(RESOURCES);
table.header.add(SIZE);
if (create) table.header.add(INPUT_PATH);
for (final String name : context.databases.listDBs()) {
String file = null;
long size = 0;
int docs = 0;
final MetaData meta = new MetaData(name, context);
try {
meta.read();
size = meta.dbsize();
docs = meta.ndocs;
if (context.perm(Perm.READ, meta)) file = meta.original;
} catch (final IOException ex) {
file = ERROR;
}
// count number of raw files
final IOFile dir = new IOFile(mprop.dbpath(name), M_RAW);
final int bin = dir.descendants().size();
// create entry
if (file != null) {
final TokenList tl = new TokenList(4);
tl.add(name);
tl.add(docs + bin);
tl.add(size);
if (create) tl.add(file);
table.contents.add(tl);
}
}
out.println(table.sort().finish());
return true;
}
/**
* Recursively collects relevant thesaurus terms.
*
* @param list result list
* @param node input node
* @param level current level
*/
private void find(final TokenList list, final ThesNode node, final long level) {
if (level > max || node == null) return;
for (int n = 0; n < node.size; ++n) {
if (rel.length == 0 || eq(node.rs[n], rel)) {
final byte[] term = node.nodes[n].term;
if (!list.contains(term)) {
list.add(term);
find(list, node.nodes[n], level + 1);
}
}
}
}
/**
* Lists resources of the specified database.
*
* @return success flag
* @throws IOException I/O exception
*/
private boolean listDB() throws IOException {
final String db = args[0];
final String path = args[1] != null ? args[1] : "";
if (!Databases.validName(db)) return error(NAME_INVALID_X, db);
final Table table = new Table();
table.description = RESOURCES;
table.header.add(INPUT_PATH);
table.header.add(TYPE);
table.header.add(MimeTypes.CONTENT_TYPE);
table.header.add(SIZE);
try {
// add xml documents
final Data data = Open.open(db, context);
final Resources res = data.resources;
final IntList il = res.docs(path);
final int ds = il.size();
for (int i = 0; i < ds; i++) {
final int pre = il.get(i);
final TokenList tl = new TokenList(3);
final byte[] file = data.text(pre, true);
tl.add(file);
tl.add(DataText.M_XML);
tl.add(MimeTypes.APP_XML);
tl.add(data.size(pre, Data.DOC));
table.contents.add(tl);
}
// add binary resources
for (final byte[] file : res.binaries(path)) {
final String f = string(file);
final TokenList tl = new TokenList(3);
tl.add(file);
tl.add(DataText.M_RAW);
tl.add(MimeTypes.get(f));
tl.add(data.meta.binary(f).length());
table.contents.add(tl);
}
Close.close(data, context);
} catch (final IOException ex) {
return error(Util.message(ex));
}
out.println(table.sort().finish());
return true;
}
/**
* Creates a container for the specified string.
*
* @param strings string
* @return iterator
*/
protected static Value strings(final String... strings) {
final TokenList tl = new TokenList(strings.length);
for (final String s : strings) tl.add(s);
return StrSeq.get(tl.finish());
}