protected static String addEscapes()

in src/main/java/org/apache/commons/jexl3/parser/TokenMgrException.java [53:96]

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

     protected static String addEscapes(final String str) {
        final StringBuilder retval = new StringBuilder();
        char ch;
        for (int i = 0; i < str.length(); i++) {
          switch (str.charAt(i))
          {
             case 0 :
                continue;
             case '\b':
                retval.append("//b");
                continue;
             case '\t':
                retval.append("//t");
                continue;
             case '\n':
                retval.append("//n");
                continue;
             case '\f':
                retval.append("//f");
                continue;
             case '\r':
                retval.append("//r");
                continue;
             case '\"':
                retval.append("//\"");
                continue;
             case '\'':
                retval.append("//\'");
                continue;
             case '/':
                retval.append("////");
                continue;
             default:
                if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
                   final String s = "0000" + Integer.toString(ch, 16);
                   retval.append("//u").append(s.substring(s.length() - 4));
                } else {
                   retval.append(ch);
                }
                continue;
          }
        }
        return retval.toString();
     }