private Event handleLiteral()

in johnzon-core/src/main/java/org/apache/johnzon/core/JsonStreamParserImpl.java [868:910]

29 lines of code
20 McCabe index (conditional complexity)


    private Event handleLiteral() {

        //last event must one of the following-> : , [
        if (previousEvent != -1 && previousEvent != KEY_SEPARATOR_EVENT && previousEvent != START_ARRAY && previousEvent != COMMA_EVENT) {
            throw uexc("Expected : , [");
        }

        if (previousEvent == COMMA_EVENT && !currentStructureElement.isArray) {
            //only allowed within array
            throw uexc("Not in an array context");
        }

        char c = buffer[bufferPos];

        // probe literals
        switch (c) {
            case TRUE_T:

                if (readNextChar() != TRUE_R || readNextChar() != TRUE_U || readNextChar() != TRUE_E) {
                    throw uexc("Expected LITERAL: true");
                }
                return EVT_MAP[previousEvent = VALUE_TRUE];
            case FALSE_F:

                if (readNextChar() != FALSE_A || readNextChar() != FALSE_L || readNextChar() != FALSE_S || readNextChar() != FALSE_E) {
                    throw uexc("Expected LITERAL: false");
                }

                return EVT_MAP[previousEvent = VALUE_FALSE];

            case NULL_N:

                if (readNextChar() != NULL_U || readNextChar() != NULL_L || readNextChar() != NULL_L) {
                    throw uexc("Expected LITERAL: null");
                }
                return EVT_MAP[previousEvent = VALUE_NULL];

            default:
                readNumber();
                return EVT_MAP[previousEvent = VALUE_NUMBER];
        }

    }