ios/web/string_util.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ios/web/public/string_util.h"
   6
   7 #include "base/strings/string_util.h"
   8
   9 namespace web {
  10
  11 base::string16 GetStringByClippingLastWord(const base::string16& contents,
  12                                            size_t length) {
  13   if (contents.size() < length)
  14     return contents;
  15
  16   base::string16 clipped_contents = contents.substr(0, length);
  17   size_t last_space_index =
  18       clipped_contents.find_last_of(base::kWhitespaceUTF16);
  19   // TODO(droger): Check if we should return the empty string instead.
  20   // See http://crbug.com/324304
  21   if (last_space_index != base::string16::npos)
  22     clipped_contents.resize(last_space_index);
  23   return clipped_contents;
  24 }
  25
  26 }  // namespace web