/**
* Creates an XQuery representation for the specified table query.
*
* @param filter filter terms
* @param cols filter columns
* @param elem element flag
* @param name name of root element
* @param root root flag
* @return query
*/
public static String findTable(
final StringList filter,
final TokenList cols,
final BoolList elem,
final byte[] name,
final boolean root) {
final TokenBuilder tb = new TokenBuilder();
final int is = filter.size();
for (int i = 0; i < is; ++i) {
final String[] spl = split(filter.get(i));
for (final String s : spl) {
final byte[] term = trim(replace(token(s), '"', ' '));
if (term.length == 0) continue;
tb.add('[');
final boolean elm = elem.get(i);
tb.add(elm ? ".//" : "@");
tb.add("*:");
tb.add(cols.get(i));
if (term[0] == '<' || term[0] == '>') {
tb.add(term[0]);
tb.addLong(calcNum(substring(term, 1)));
} else {
tb.add(" contains text \"");
tb.add(term);
tb.add('"');
}
tb.add(']');
}
}
return tb.isEmpty() ? "/" : (root ? "/" : "") + Axis.DESCORSELF + "::*:" + string(name) + tb;
}
/**
* Joins the path.
*
* @param s segment to start with
* @return joined path
*/
private String join(final int s) {
final TokenBuilder tb = new TokenBuilder();
for (int p = s; p < segments.length; p++) {
if (!tb.isEmpty()) tb.add('/');
tb.add(segments[p]);
}
return tb.toString();
}
/**
* Converts the path to a string array, containing the single segments.
*
* @param path path, or {@code null}
* @return path depth
*/
public static String[] toSegments(final String path) {
final StringList sl = new StringList();
if (path != null) {
final TokenBuilder tb = new TokenBuilder();
for (int s = 0; s < path.length(); s++) {
final char ch = path.charAt(s);
if (ch == '/') {
if (tb.isEmpty()) continue;
sl.add(tb.toString());
tb.reset();
} else {
tb.add(ch);
}
}
if (!tb.isEmpty()) sl.add(tb.toString());
}
return sl.toArray();
}
/**
* Returns the database path (i.e., all path entries except for the first).
*
* @return path depth
*/
public String dbpath() {
final TokenBuilder tb = new TokenBuilder();
final int ps = segments.length;
for (int p = 1; p < ps; p++) {
if (!tb.isEmpty()) tb.add('/');
tb.add(segments[p]);
}
return tb.toString();
}
@Override
public final synchronized String toString() {
final TokenBuilder tb = new TokenBuilder();
for (final Entry<String, Object> e : props.entrySet()) {
if (!tb.isEmpty()) tb.add(',');
tb.add(e.getKey()).add('=').addExt(e.getValue());
}
return tb.toString();
}
/**
* Reads the configuration file and initializes the project properties. The file is located in the
* project home directory.
*
* @param prop property file extension
*/
protected synchronized void read(final String prop) {
file = new IOFile(HOME + IO.BASEXSUFFIX + prop);
final StringList read = new StringList();
final TokenBuilder err = new TokenBuilder();
if (!file.exists()) {
err.addExt("Saving properties in \"%\"..." + NL, file);
} else {
BufferedReader br = null;
try {
br = new BufferedReader(new FileReader(file.file()));
for (String line; (line = br.readLine()) != null; ) {
line = line.trim();
if (line.isEmpty() || line.charAt(0) == '#') continue;
final int d = line.indexOf('=');
if (d < 0) {
err.addExt("%: \"%\" ignored. " + NL, file, line);
continue;
}
final String val = line.substring(d + 1).trim();
String key = line.substring(0, d).trim();
// extract numeric value in key
int num = 0;
final int ss = key.length();
for (int s = 0; s < ss; ++s) {
if (Character.isDigit(key.charAt(s))) {
num = Integer.parseInt(key.substring(s));
key = key.substring(0, s);
break;
}
}
read.add(key);
final Object entry = props.get(key);
if (entry == null) {
err.addExt("%: \"%\" not found. " + NL, file, key);
} else if (entry instanceof String) {
props.put(key, val);
} else if (entry instanceof Integer) {
props.put(key, Integer.parseInt(val));
} else if (entry instanceof Boolean) {
props.put(key, Boolean.parseBoolean(val));
} else if (entry instanceof String[]) {
if (num == 0) {
props.put(key, new String[Integer.parseInt(val)]);
} else {
((String[]) entry)[num - 1] = val;
}
} else if (entry instanceof int[]) {
((int[]) entry)[num] = Integer.parseInt(val);
}
}
} catch (final Exception ex) {
err.addExt("% could not be parsed." + NL, file);
Util.debug(ex);
} finally {
if (br != null)
try {
br.close();
} catch (final IOException ex) {
}
}
}
// check if all mandatory files have been read
try {
if (err.isEmpty()) {
boolean ok = true;
for (final Field f : getClass().getFields()) {
final Object obj = f.get(null);
if (!(obj instanceof Object[])) continue;
final String key = ((Object[]) obj)[0].toString();
ok &= read.contains(key);
}
if (!ok) err.addExt("Saving properties in \"%\"..." + NL, file);
}
} catch (final IllegalAccessException ex) {
Util.notexpected(ex);
}
if (!err.isEmpty()) {
Util.err(err.toString());
write();
}
}