/** Parses a set of selectors, returning false if the end of the stream is reached. */
private boolean parseSelectors() throws IOException {
// Parse the selectors
int nextToken;
if (tokenBufferLength > 0) {
callback.handleSelector(new String(tokenBuffer, 0, tokenBufferLength));
}
unitBuffer.setLength(0);
for (; ; ) {
while ((nextToken = nextToken((char) 0)) == IDENTIFIER) {
if (tokenBufferLength > 0) {
callback.handleSelector(new String(tokenBuffer, 0, tokenBufferLength));
}
}
switch (nextToken) {
case BRACE_OPEN:
return true;
case BRACKET_OPEN:
case PAREN_OPEN:
parseTillClosed(nextToken);
// Not too sure about this, how we handle this isn't very
// well spec'd.
unitBuffer.setLength(0);
break;
case BRACKET_CLOSE:
case BRACE_CLOSE:
case PAREN_CLOSE:
throw new RuntimeException("Unexpected block close in selector");
case END:
// Prematurely hit end.
return false;
}
}
}
