| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_SPELLCHECKER_WORD_TRIMMER_H_ |
| #define CHROME_BROWSER_SPELLCHECKER_WORD_TRIMMER_H_ |
| |
| #include "base/strings/string16.h" |
| |
| // Trims |text| to contain only the range from |start| to |end| and |keep| words |
| // on either side of the range. The |start| and |end| parameters are character |
| // indexes into |text|. The |keep| parameter is the number of words to keep on |
| // either side of the |start|-|end| range. The function updates |start| in |
| // accordance with the trimming. |
| // |
| // Example: |
| // |
| // size_t start = 14; |
| // size_t end = 23; |
| // string16 text = ASCIIToUTF16("one two three four five six seven eight"); |
| // int keep = 2; |
| // string16 trimmed = TrimWords(&start, end, text, keep); |
| // DCHECK(trimmed == ASCIIToUTF16("two three four five six seven")); |
| // DCHECK(start == 10); |
| // |
| string16 TrimWords( |
| size_t* start, |
| size_t end, |
| const string16& text, |
| size_t keep); |
| |
| #endif // CHROME_BROWSER_SPELLCHECKER_WORD_TRIMMER_H_ |
