bool IterativeParseNext()

in src/main/cpp/sdk/common/rapidjson/reader.h [618:670]
33 lines of code
8 McCabe index (conditional complexity)

    bool IterativeParseNext(InputStream& is, Handler& handler) {
        while (RAPIDJSON_LIKELY(is.Peek() != '\0')) {
            SkipWhitespaceAndComments<parseFlags>(is);

            Token t = Tokenize(is.Peek());
            IterativeParsingState n = Predict(state_, t);
            IterativeParsingState d = Transit<parseFlags>(state_, t, n, is, handler);

            // If we've finished or hit an error...
            if (RAPIDJSON_UNLIKELY(IsIterativeParsingCompleteState(d))) {
                // Report errors.
                if (d == IterativeParsingErrorState) {
                    HandleError(state_, is);
                    return false;
                }

                // Transition to the finish state.
                RAPIDJSON_ASSERT(d == IterativeParsingFinishState);
                state_ = d;

                // If StopWhenDone is not set...
                if (!(parseFlags & kParseStopWhenDoneFlag)) {
                    // ... and extra non-whitespace data is found...
                    SkipWhitespaceAndComments<parseFlags>(is);
                    if (is.Peek() != '\0') {
                        // ... this is considered an error.
                        HandleError(state_, is);
                        return false;
                    }
                }

                // Success! We are done!
                return true;
            }

            // Transition to the new state.
            state_ = d;

            // If we parsed anything other than a delimiter, we invoked the handler, so we can return true now.
            if (!IsIterativeParsingDelimiterState(n))
                return true;
        }

        // We reached the end of file.
        stack_.Clear();

        if (state_ != IterativeParsingFinishState) {
            HandleError(state_, is);
            return false;
        }

        return true;
    }