@Override
protected void parse(final ArrayList<Command> cmds) throws QueryException {
final Scanner sc = new Scanner(string).useDelimiter(single ? "\0" : "\r\n?|\n");
while (sc.hasNext()) {
final String line = sc.next().trim();
if (line.isEmpty() || line.startsWith("#")) continue;
parser = new InputParser(line);
parser.file = ctx.options.get(MainOptions.QUERYPATH);
while (parser.more()) {
final Cmd cmd = consume(Cmd.class, null);
if (cmd != null) cmds.add(parse(cmd));
if (parser.more() && !parser.consume(';')) throw help(null, cmd);
}
}
}
/**
* Parses and returns a string, delimited by a semicolon or, optionally, a space. Quotes can be
* used to include spaces.
*
* @param cmd referring command; if specified, the result must not be empty
* @param space stop when encountering space
* @return string
* @throws QueryException query exception
*/
private String string(final Cmd cmd, final boolean space) throws QueryException {
final StringBuilder sb = new StringBuilder();
consumeWS();
boolean q = false;
while (parser.more()) {
final char c = parser.curr();
if (!q && ((space ? c <= ' ' : c < ' ') || eoc())) break;
if (c == '"') q ^= true;
else sb.append(c);
parser.consume();
}
return finish(sb, cmd);
}
/**
* Parses and returns the remaining string. Quotes at the beginning and end of the argument will
* be stripped.
*
* @param cmd referring command; if specified, the result must not be empty
* @return remaining string
* @throws QueryException query exception
*/
private String remaining(final Cmd cmd) throws QueryException {
if (single) {
final StringBuilder sb = new StringBuilder();
consumeWS();
while (parser.more()) sb.append(parser.consume());
String arg = finish(sb, cmd);
if (arg != null) {
// chop quotes; substrings are faster than replaces...
if (arg.startsWith("\"")) arg = arg.substring(1);
if (arg.endsWith("\"")) arg = arg.substring(0, arg.length() - 1);
}
return arg;
}
return string(cmd, false);
}
/**
* Checks if the end of a command has been reached.
*
* @return true if command has ended
*/
private boolean eoc() {
return !parser.more() || parser.curr() == ';';
}