C++ (Cpp) ITERATOR::data Examples

Example #1

File: strutil.cpp Project: marmalade/protocolbuffers

static void JoinStringsIterator(const ITERATOR& start,
                                const ITERATOR& end,
                                const char* delim,
                                string* result) {
  GOOGLE_CHECK(result != NULL);
  result->clear();
  int delim_length = strlen(delim);

  // Precompute resulting length so we can reserve() memory in one shot.
  int length = 0;
  for (ITERATOR iter = start; iter != end; ++iter) {
    if (iter != start) {
      length += delim_length;
    }
    length += iter->size();
  }
  result->reserve(length);

  // Now combine everything.
  for (ITERATOR iter = start; iter != end; ++iter) {
    if (iter != start) {
      result->append(delim, delim_length);
    }
    result->append(iter->data(), iter->size());
  }
}