Function Indent

tensorflow/python/framework/python_op_gen_internal.cc:120–141

Indent the first line by "initial" spaces and all following lines by "rest" spaces.

// Indent the first line by "initial" spaces and all following lines
// by "rest" spaces.
string Indent(int initial, int rest, StringPiece in) {
  // TODO(josh11b): Also word-wrapping?
  string copy(in.data(), in.size());
  absl::StripTrailingAsciiWhitespace(&copy);
  std::vector<string> v = str_util::Split(copy, '\n');

  string result;
  bool first = true;
  for (const string& line : v) {
    if (first) {
      result = strings::StrCat(Spaces(initial), line, "\n");
      first = false;
    } else {
      if (line.empty()) {
        strings::StrAppend(&result, "\n");
      } else {
        strings::StrAppend(&result, Spaces(rest), line, "\n");
      }
    }
  }
  return result;
}

// Adds append to *dest, with a space if the first line will be <= width,
// or a newline otherwise.