1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_SPELLCHECKER_WORD_TRIMMER_H_ 6 #define CHROME_BROWSER_SPELLCHECKER_WORD_TRIMMER_H_ 7 8 #include "base/strings/string16.h" 9 10 // Trims |text| to contain only the range from |start| to |end| and |keep| words 11 // on either side of the range. The |start| and |end| parameters are character 12 // indexes into |text|. The |keep| parameter is the number of words to keep on 13 // either side of the |start|-|end| range. The function updates |start| in 14 // accordance with the trimming. 15 // 16 // Example: 17 // 18 // size_t start = 14; 19 // size_t end = 23; 20 // string16 text = ASCIIToUTF16("one two three four five six seven eight"); 21 // int keep = 2; 22 // string16 trimmed = TrimWords(&start, end, text, keep); 23 // DCHECK(trimmed == ASCIIToUTF16("two three four five six seven")); 24 // DCHECK(start == 10); 25 // 26 string16 TrimWords( 27 size_t* start, 28 size_t end, 29 const string16& text, 30 size_t keep); 31 32 #endif // CHROME_BROWSER_SPELLCHECKER_WORD_TRIMMER_H_ 33
