public List complete()

in java/com/google/devtools/bazel/e4b/command/BazelCommand.java [293:348]
51 lines of code
22 McCabe index (conditional complexity)

    public List<String> complete(String string)
        throws IOException, InterruptedException, BazelNotFoundException {
      if (string.equals("/") || string.isEmpty()) {
        return ImmutableList.of("//");
      } else if (string.contains(":")) {
        // complete targets using `bazel query`
        int idx = string.indexOf(':');
        final String packageName = string.substring(0, idx);
        final String targetPrefix = string.substring(idx + 1);
        ImmutableList.Builder<String> builder = ImmutableList.builder();
        builder.addAll(
            BazelCommand.this.runBazelAndGetOuputLines(ConsoleType.NO_CONSOLE, workspaceRoot,
                ImmutableList.<String>builder().add("query", packageName + ":*").build(), line -> {
                  int i = line.indexOf(':');
                  String s = line.substring(i + 1);
                  return !s.isEmpty() && s.startsWith(targetPrefix) ? (packageName + ":" + s)
                      : null;
                }));
        if ("all".startsWith(targetPrefix)) {
          builder.add(packageName + ":all");
        }
        if ("*".startsWith(targetPrefix)) {
          builder.add(packageName + ":*");
        }
        return builder.build();
      } else {
        // complete packages
        int lastSlash = string.lastIndexOf('/');
        final String prefix = lastSlash > 0 ? string.substring(0, lastSlash + 1) : "";
        final String suffix = lastSlash > 0 ? string.substring(lastSlash + 1) : string;
        final String directory = (prefix.isEmpty() || prefix.equals("//")) ? ""
            : prefix.substring(string.startsWith("//") ? 2 : 0, prefix.length() - 1);
        File file = directory.isEmpty() ? workspaceRoot : new File(workspaceRoot, directory);
        ImmutableList.Builder<String> builder = ImmutableList.builder();
        File[] files = file.listFiles((f) -> {
          // Only give directories whose name starts with suffix...
          return f.getName().startsWith(suffix) && f.isDirectory()
          // ...that does not start with '.'...
              && !f.getName().startsWith(".")
          // ...and is not a Bazel convenience link
              && (!file.equals(workspaceRoot) || !f.getName().startsWith("bazel-"));
        });
        if (files != null) {
          for (File d : files) {
            builder.add(prefix + d.getName() + "/");
            if (new File(d, "BUILD").exists()) {
              builder.add(prefix + d.getName() + ":");
            }
          }
        }
        if ("...".startsWith(suffix)) {
          builder.add(prefix + "...");
        }
        return builder.build();
      }
    }