public static String normalizePath()

in git-common/src/main/java/jetbrains/buildServer/buildTriggers/vcs/git/GitUtils.java [123:161]

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

  public static String normalizePath(String path) {
    if (path.length() == 0 || path.equals("/")) {
      return path;
    }
    StringBuilder rc = new StringBuilder();
    String[] pc = path.split("/");
    int count = 0;
    int startBacks = 0;
    int[] pci = new int[pc.length];
    boolean startsWithSlash = path.charAt(0) == '/';
    for (int i = 0; i < pc.length; i++) {
      String f = pc[i];
      if (f.length() == 0 || ".".equals(f)) {
        // do nothing
      } else if ("..".equals(f)) {
        if (count == 0) {
          startBacks++;
        } else {
          count--;
        }
      } else {
        pci[count++] = i;
      }
    }
    for (int i = 0; i < startBacks; i++) {
      if (rc.length() != 0 || startsWithSlash) {
        rc.append('/');
      }
      rc.append("..");
    }
    for (int i = 0; i < count; i++) {
      int fi = pci[i];
      if (rc.length() != 0 || startsWithSlash) {
        rc.append('/');
      }
      rc.append(pc[fi]);
    }
    return rc.toString();
  }