public static void quoteAsString()

in ecs-logging-core/src/main/java/co/elastic/logging/JsonUtils.java [68:102]

27 lines of code
6 McCabe index (conditional complexity)


    public static void quoteAsString(CharSequence content, int start, int end, StringBuilder sb) {
        if (content == null) {
            sb.append("null");
            return;
        }
        final int[] escCodes = sOutputEscapes128;
        final int escLen = escCodes.length;
        for (int i = start; i < end; ++i) {
            char c = content.charAt(i);
            if (c >= escLen || escCodes[c] == 0) {
                sb.append(c);
                continue;
            }
            sb.append('\\');
            int escCode = escCodes[c];
            if (escCode < 0) { // generic quoting (hex value)
                // The only negative value sOutputEscapes128 returns
                // is CharacterEscapes.ESCAPE_STANDARD, which mean
                // appendQuotes should encode using the Unicode encoding;
                // not sure if this is the right way to encode for
                // CharacterEscapes.ESCAPE_CUSTOM or other (future)
                // CharacterEscapes.ESCAPE_XXX values.

                // We know that it has to fit in just 2 hex chars
                sb.append('u');
                sb.append('0');
                sb.append('0');
                int value = c;  // widening
                sb.append(HC[value >> 4]);
                sb.append(HC[value & 0xF]);
            } else { // "named", i.e. prepend with slash
                sb.append((char) escCode);
            }
        }
    }