/**
* Returns a map with variable bindings.
*
* @param opts main options
* @return bindings
*/
public static HashMap<String, String> bindings(final MainOptions opts) {
final HashMap<String, String> bindings = new HashMap<>();
final String bind = opts.get(MainOptions.BINDINGS).trim();
final StringBuilder key = new StringBuilder();
final StringBuilder val = new StringBuilder();
boolean first = true;
final int sl = bind.length();
for (int s = 0; s < sl; s++) {
final char ch = bind.charAt(s);
if (first) {
if (ch == '=') {
first = false;
} else {
key.append(ch);
}
} else {
if (ch == ',') {
if (s + 1 == sl || bind.charAt(s + 1) != ',') {
bindings.put(key.toString().trim(), val.toString());
key.setLength(0);
val.setLength(0);
first = true;
continue;
}
// literal commas are escaped by a second comma
s++;
}
val.append(ch);
}
}
if (key.length() != 0) bindings.put(key.toString().trim(), val.toString());
return bindings;
}
/**
* Removes comments from the specified string and returns the first characters of a query.
*
* @param qu query string
* @param max maximum length of string to return
* @return result
*/
public static String removeComments(final String qu, final int max) {
final StringBuilder sb = new StringBuilder();
int m = 0;
boolean s = false;
final int cl = qu.length();
for (int c = 0; c < cl && sb.length() < max; ++c) {
final char ch = qu.charAt(c);
if (ch == 0x0d) continue;
if (ch == '(' && c + 1 < cl && qu.charAt(c + 1) == ':') {
if (m == 0 && !s) {
sb.append(' ');
s = true;
}
++m;
++c;
} else if (m != 0 && ch == ':' && c + 1 < cl && qu.charAt(c + 1) == ')') {
--m;
++c;
} else if (m == 0) {
if (ch > ' ') sb.append(ch);
else if (!s) sb.append(' ');
s = ch <= ' ';
}
}
if (sb.length() >= max) sb.append("...");
return sb.toString().trim();
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
final boolean str = query instanceof AStr;
if (!str) sb.append("{ ");
sb.append(query);
if (!str) sb.append(" }");
switch (mode) {
case ALL:
sb.append(' ' + ALL);
break;
case ALL_WORDS:
sb.append(' ' + ALL + ' ' + WORDS);
break;
case ANY_WORD:
sb.append(' ' + ANY + ' ' + WORD);
break;
case PHRASE:
sb.append(' ' + PHRASE);
break;
default:
}
if (occ != null) sb.append(OCCURS + ' ' + occ[0] + ' ' + TO + ' ' + occ[1] + ' ' + TIMES);
if (ftt != null) sb.append(ftt.opt);
return sb.toString();
}
/**
* Returns an extended error message.
*
* @param err error message
* @return result of check
*/
private boolean extError(final String err) {
// will only be evaluated when an error has occurred
final StringBuilder sb = new StringBuilder();
if (options.get(MainOptions.QUERYINFO)) {
sb.append(info()).append(qp.info()).append(NL).append(ERROR).append(COL).append(NL);
}
sb.append(err);
return error(sb.toString());
}
/**
* Returns a string representation of all found arguments.
*
* @param args array with arguments
* @return string representation
*/
static String foundArgs(final Value[] args) {
// compose found arguments
final StringBuilder sb = new StringBuilder();
for (final Value v : args) {
if (sb.length() != 0) sb.append(", ");
sb.append(v instanceof Jav ? Util.className(((Jav) v).toJava()) : v.seqType());
}
return sb.toString();
}
/** Tests the specified instance. */
@Test
public void test() {
final StringBuilder sb = new StringBuilder();
int fail = 0;
for (final Object[] qu : queries) {
final boolean correct = qu.length == 3;
final String query = qu[correct ? 2 : 1].toString();
final Value cmp = correct ? (Value) qu[1] : null;
final QueryProcessor qp = new QueryProcessor(query, context);
try {
final Value val = qp.value();
if (!correct || !new DeepCompare().equal(val, cmp)) {
sb.append("[" + qu[0] + "] " + query);
String s = correct && cmp.size() != 1 ? "#" + cmp.size() : "";
sb.append("\n[E" + s + "] ");
if (correct) {
final String cp = cmp.toString();
sb.append('\'');
sb.append(cp.length() > 1000 ? cp.substring(0, 1000) + "..." : cp);
sb.append('\'');
} else {
sb.append("error");
}
final TokenBuilder types = new TokenBuilder();
for (final Item it : val) types.add(it.type.toString()).add(" ");
s = val.size() == 1 ? "" : "#" + val.size();
sb.append("\n[F" + s + "] '" + val + "', " + types + details() + '\n');
++fail;
}
} catch (final Exception ex) {
final String msg = ex.getMessage();
if (correct || msg == null || msg.contains("mailman")) {
final String cp = correct && cmp.data() != null ? cmp.toString() : "()";
sb.append(
"["
+ qu[0]
+ "] "
+ query
+ "\n[E] "
+ cp
+ "\n[F] "
+ (msg == null ? Util.className(ex) : msg.replaceAll("\r\n?|\n", " "))
+ ' '
+ details()
+ '\n');
ex.printStackTrace();
++fail;
}
} finally {
qp.close();
}
}
if (fail != 0) fail(fail + " Errors. [E] = expected, [F] = found:\n" + sb.toString().trim());
}
@Override
public final String toString() {
final StringBuilder sb = new StringBuilder();
if (root != null) sb.append(root);
for (final Expr s : steps) {
if (sb.length() != 0) sb.append(s instanceof Bang ? " ! " : "/");
sb.append(s);
}
return sb.toString();
}
@Override
protected boolean run() {
final String query = find(args[0], context, root);
final boolean ok = query(query);
final StringBuilder sb = new StringBuilder();
if (prop.is(Prop.QUERYINFO)) {
sb.append(NL).append(QUERY_CC).append(NL).append(query).append(NL);
}
sb.append(info());
error(sb.toString());
return ok;
}
/**
* Splits the string and returns an array.
*
* @param str string to be split
* @return array
*/
private static String[] split(final String str) {
final int l = str.length();
final String[] split = new String[l];
int s = 0;
char delim = 0;
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < l; ++i) {
final char c = str.charAt(i);
if (delim == 0) {
if (c == '\'' || c == '"') {
delim = c;
} else if (!XMLToken.isChar(c)
&& c != '@'
&& c != '='
&& c != '<'
&& c != '>'
&& c != '~') {
if (sb.length() != 0) {
split[s++] = sb.toString();
sb.setLength(0);
}
} else {
sb.append(c);
}
} else {
if (c == delim) {
delim = 0;
if (sb.length() != 0) {
split[s++] = sb.toString();
sb.setLength(0);
}
} else {
if (c != '\'' && c != '"') sb.append(c);
}
}
}
if (sb.length() != 0) split[s++] = sb.toString();
return Array.copyOf(split, s);
}
@Override
public void action(final Object cmp) {
final StringBuilder bind = new StringBuilder();
final int cl = context.length;
for (int c = 0; c < cl; c += 2) {
final String key = context[c].getText().replaceAll("^\\$", "");
if (key.isEmpty()) continue;
if (bind.length() != 0) bind.append(',');
bind.append(key.replaceAll(",", ",,")).append('=');
bind.append(context[c + 1].getText().replaceAll(",", ",,"));
}
gui.context.options.set(MainOptions.BINDINGS, bind.toString());
}
/** Tests the internal parser (Option {@link MainOptions#INTPARSE}). */
@Test
public void intParse() {
set(MainOptions.CHOP, false);
final StringBuilder sb = new StringBuilder();
final String[] docs = {
"<x/>",
" <x/> ",
"<x></x>",
"<x>A</x>",
"<x><x>",
"<x/><x/>",
"<x></x><x/>",
"<x>",
"</x>",
"<x></x></x>",
"x<x>",
"<x>x",
"<x><![CDATA[ ]]></x>",
};
for (final String doc : docs) {
// parse document with default parser (expected to yield correct result)
set(MainOptions.INTPARSE, false);
boolean def = true;
try {
new CreateDB(NAME, doc).execute(context);
} catch (final BaseXException ex) {
def = false;
}
// parse document with internal parser
set(MainOptions.INTPARSE, true);
boolean cust = true;
try {
new CreateDB(NAME, doc).execute(context);
} catch (final BaseXException ex) {
cust = false;
}
// compare results
if (def != cust) {
sb.append('\n').append(def ? "- not accepted: " : "- not rejected: ").append(doc);
}
}
// list all errors
if (sb.length() != 0) fail(sb.toString());
set(MainOptions.MAINMEM, false);
}
/**
* Parses and returns a string result.
*
* @param input input string or {@code null} if invalid
* @param cmd referring command; if specified, the result must not be empty
* @return string result or {@code null}
* @throws QueryException query exception
*/
private String finish(final StringBuilder input, final Cmd cmd) throws QueryException {
if (input != null && input.length() != 0) return input.toString();
if (cmd != null) throw help(null, cmd);
return null;
}