public void token(String token, QueryTranslatorImpl q) throws QueryException {
String lcToken = token.toLowerCase(Locale.ROOT);
// Cope with [,]
if (token.equals("[") && !expectingPathContinuation) {
expectingPathContinuation = false;
if (expectingIndex == 0) {
throw new QueryException("unexpected [");
}
return;
} else if (token.equals("]")) {
expectingIndex--;
expectingPathContinuation = true;
return;
}
// Cope with a continued path expression (ie. ].baz)
if (expectingPathContinuation) {
boolean pathExpressionContinuesFurther = continuePathExpression(token, q);
if (pathExpressionContinuesFurther) {
return; // NOTE: early return
}
}
// Cope with a subselect
if (!inSubselect && (lcToken.equals("select") || lcToken.equals("from"))) {
inSubselect = true;
subselect = new StringBuilder(20);
}
if (inSubselect && token.equals(")")) {
bracketsSinceSelect--;
if (bracketsSinceSelect == -1) {
QueryTranslatorImpl subq =
new QueryTranslatorImpl(subselect.toString(), q.getEnabledFilters(), q.getFactory());
try {
subq.compile(q);
} catch (MappingException me) {
throw new QueryException("MappingException occurred compiling subquery", me);
}
appendToken(q, subq.getSQLString());
inSubselect = false;
bracketsSinceSelect = 0;
}
}
if (inSubselect) {
if (token.equals("(")) {
bracketsSinceSelect++;
}
subselect.append(token).append(' ');
return;
}
// Cope with special cases of AND, NOT, ()
specialCasesBefore(lcToken);
// Close extra brackets we opened
if (!betweenSpecialCase && EXPRESSION_TERMINATORS.contains(lcToken)) {
closeExpression(q, lcToken);
}
// take note when this is a boolean expression
if (BOOLEAN_OPERATORS.contains(lcToken)) {
booleanTests.removeLast();
booleanTests.addLast(Boolean.TRUE);
}
if (lcToken.equals("not")) {
nots.addLast(!(nots.removeLast()));
negated = !negated;
return; // NOTE: early return
}
// process a token, mapping OO path expressions to SQL expressions
doToken(token, q);
// Open any extra brackets we might need.
if (!betweenSpecialCase && EXPRESSION_OPENERS.contains(lcToken)) {
openExpression(q, lcToken);
}
// Cope with special cases of AND, NOT, )
specialCasesAfter(lcToken);
}
