protected int findWrapPos()

in src/main/java/org/apache/commons/cli/HelpFormatter.java [278:311]

• 24 lines of code
• 12 McCabe index (conditional complexity)

    protected int findWrapPos(final String text, final int width, final int startPos) {
        // the line ends before the max wrap pos or a new line char found
        int pos = text.indexOf('\n', startPos);
        if (pos != -1 && pos <= width) {
            return pos + 1;
        }

        pos = text.indexOf('\t', startPos);
        if (pos != -1 && pos <= width) {
            return pos + 1;
        }

        if (startPos + width >= text.length()) {
            return -1;
        }

        // look for the last whitespace character before startPos+width
        for (pos = startPos + width; pos >= startPos; --pos) {
            final char c = text.charAt(pos);
            if (c == ' ' || c == '\n' || c == '\r') {
                break;
            }
        }

        // if we found it - just return
        if (pos > startPos) {
            return pos;
        }

        // if we didn't find one, simply chop at startPos+width
        pos = startPos + width;

        return pos == text.length() ? -1 : pos;
    }