public Object nextValue () throws JSONException {
        char c = this.nextClean();
        String string;

        switch (c) {
            case '"':
            case '\'':
                return this.nextString(c);
            case '{':
                this.back();
                return new JSONObject(this);
            case '[':
                this.back();
                return new JSONArray(this);
        }

        /*
         * Handle unquoted text. This could be the values true, false, or
         * null, or it can be a number. An implementation (such as this one)
         * is allowed to also accept non-standard forms.
         * 
         * Accumulate characters until we reach the end of the text or a
         * formatting character.
         */

        StringBuffer sb = new StringBuffer();
        while (c >= ' ' && ",:]}/\\\"[{;=#".indexOf(c) < 0) {
            sb.append(c);
            c = this.next();
        }
        this.back();

        string = sb.toString().trim();
        if ("".equals(string)) { throw this.syntaxError("Missing value"); }
        return JSONObject.stringToValue(string);
    }