static String globToRegexp()

in sdk/src/main/java/com/google/cloud/dataflow/sdk/util/GcsUtil.java [343:377]

• 34 lines of code
• 14 McCabe index (conditional complexity)

  static String globToRegexp(String globExp) {
    StringBuilder dst = new StringBuilder();
    char[] src = globExp.toCharArray();
    int i = 0;
    while (i < src.length) {
      char c = src[i++];
      switch (c) {
        case '*':
          dst.append("[^/]*");
          break;
        case '?':
          dst.append("[^/]");
          break;
        case '.':
        case '+':
        case '{':
        case '}':
        case '(':
        case ')':
        case '|':
        case '^':
        case '$':
          // These need to be escaped in regular expressions
          dst.append('\\').append(c);
          break;
        case '\\':
          i = doubleSlashes(dst, src, i);
          break;
        default:
          dst.append(c);
          break;
      }
    }
    return dst.toString();
  }