Method toPrefix

base/src/main/java/net/time4j/DayPeriod.java:543–567

(
        TextWidth tw,
        OutputContext oc
    )

    }

    private static String toPrefix(
        TextWidth tw,
        OutputContext oc
    ) {

        char c;

        switch (tw) {
            case WIDE:
                c = 'w';
                break;
            case NARROW:
                c = 'n';
                break;
            default:
                c = 'a';
        }

        if (oc == OutputContext.STANDALONE) {
            c = Character.toUpperCase(c);
        }

        return "P(" + c + ")_";

    }

    private static Map<String, String> loadTextForms(
        Locale locale,