| droger | 8eabfbc | 2014-12-09 13:57:21 | [diff] [blame] | 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 | |
| avi | 57194367 | 2015-12-22 02:12:49 | [diff] [blame] | 7 | #include <stddef.h> |
| 8 | |
| droger | 8eabfbc | 2014-12-09 13:57:21 | [diff] [blame] | 9 | #include "base/strings/string_util.h" |
| 10 | |
| 11 | namespace web { |
| 12 | |
| 13 | base::string16 GetStringByClippingLastWord(const base::string16& contents, |
| 14 | size_t length) { |
| 15 | if (contents.size() < length) |
| 16 | return contents; |
| 17 | |
| 18 | base::string16 clipped_contents = contents.substr(0, length); |
| 19 | size_t last_space_index = |
| 20 | clipped_contents.find_last_of(base::kWhitespaceUTF16); |
| 21 | // TODO(droger): Check if we should return the empty string instead. |
| 22 | // See http://crbug.com/324304 |
| 23 | if (last_space_index != base::string16::npos) |
| 24 | clipped_contents.resize(last_space_index); |
| 25 | return clipped_contents; |
| 26 | } |
| 27 | |
| 28 | } // namespace web |
