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.
5 #ifndef BASE_I18N_STRING_SEARCH_H_
6 #define BASE_I18N_STRING_SEARCH_H_
10 #include "base/i18n/base_i18n_export.h"
11 #include "base/strings/string16.h"
18 // Returns true if |in_this| contains |find_this|. If |match_index| or
19 // |match_length| are non-NULL, they are assigned the start position and total
20 // length of the match.
22 // Only differences between base letters are taken into consideration. Case and
23 // accent differences are ignored. Please refer to 'primary level' in
24 // http://userguide.icu-project.org/collation/concepts for additional details.
26 bool StringSearchIgnoringCaseAndAccents(const string16& find_this,
27 const string16& in_this,
29 size_t* match_length);
31 // This class is for speeding up multiple StringSearchIgnoringCaseAndAccents()
32 // with the same |find_this| argument. |find_this| is passed as the constructor
33 // argument, and precomputation for searching is done only at that timing.
34 class BASE_I18N_EXPORT FixedPatternStringSearchIgnoringCaseAndAccents {
36 explicit FixedPatternStringSearchIgnoringCaseAndAccents(
37 const string16& find_this);
38 ~FixedPatternStringSearchIgnoringCaseAndAccents();
40 // Returns true if |in_this| contains |find_this|. If |match_index| or
41 // |match_length| are non-NULL, they are assigned the start position and total
42 // length of the match.
43 bool Search(const string16& in_this,
45 size_t* match_length);
49 UStringSearch* search_;
55 #endif // BASE_I18N_STRING_SEARCH_H_