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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_BASE_L10N_L10N_UTIL_COLLATOR_H_ | 5 #ifndef UI_BASE_L10N_L10N_UTIL_COLLATOR_H_ |
6 #define UI_BASE_L10N_L10N_UTIL_COLLATOR_H_ | 6 #define UI_BASE_L10N_L10N_UTIL_COLLATOR_H_ |
7 | 7 |
8 #include <algorithm> | 8 #include <algorithm> |
9 #include <functional> | 9 #include <functional> |
10 #include <string> | 10 #include <string> |
11 #include <vector> | 11 #include <vector> |
12 | 12 |
13 #include "base/i18n/string_compare.h" | 13 #include "base/i18n/string_compare.h" |
14 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
15 #include "third_party/icu/source/i18n/unicode/coll.h" | 15 #include "third_party/icu/source/i18n/unicode/coll.h" |
16 #include "ui/base/ui_export.h" | 16 #include "ui/base/ui_base_export.h" |
17 | 17 |
18 namespace l10n_util { | 18 namespace l10n_util { |
19 | 19 |
20 // Used by SortStringsUsingMethod. Invokes a method on the objects passed to | 20 // Used by SortStringsUsingMethod. Invokes a method on the objects passed to |
21 // operator (), comparing the string results using a collator. | 21 // operator (), comparing the string results using a collator. |
22 template <class T, class Method> | 22 template <class T, class Method> |
23 class StringMethodComparatorWithCollator | 23 class StringMethodComparatorWithCollator |
24 : public std::binary_function<const base::string16&, | 24 : public std::binary_function<const base::string16&, |
25 const base::string16&, | 25 const base::string16&, |
26 bool> { | 26 bool> { |
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99 | 99 |
100 return StringComparator<base::string16>(collator_)(lhs_string_key, | 100 return StringComparator<base::string16>(collator_)(lhs_string_key, |
101 rhs_string_key); | 101 rhs_string_key); |
102 } | 102 } |
103 | 103 |
104 private: | 104 private: |
105 icu::Collator* collator_; | 105 icu::Collator* collator_; |
106 }; | 106 }; |
107 | 107 |
108 // Specialization of operator() method for base::string16 version. | 108 // Specialization of operator() method for base::string16 version. |
109 template <> UI_EXPORT | 109 template <> UI_BASE_EXPORT |
110 bool StringComparator<base::string16>::operator()(const base::string16& lhs, | 110 bool StringComparator<base::string16>::operator()(const base::string16& lhs, |
111 const base::string16& rhs); | 111 const base::string16& rhs); |
112 | 112 |
113 // In place sorting of |elements| of a vector according to the string key of | 113 // In place sorting of |elements| of a vector according to the string key of |
114 // each element in the vector by using collation rules for |locale|. | 114 // each element in the vector by using collation rules for |locale|. |
115 // |begin_index| points to the start position of elements in the vector which | 115 // |begin_index| points to the start position of elements in the vector which |
116 // want to be sorted. |end_index| points to the end position of elements in the | 116 // want to be sorted. |end_index| points to the end position of elements in the |
117 // vector which want to be sorted | 117 // vector which want to be sorted |
118 template <class Element> | 118 template <class Element> |
119 void SortVectorWithStringKey(const std::string& locale, | 119 void SortVectorWithStringKey(const std::string& locale, |
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142 void SortVectorWithStringKey(const std::string& locale, | 142 void SortVectorWithStringKey(const std::string& locale, |
143 std::vector<Element>* elements, | 143 std::vector<Element>* elements, |
144 bool needs_stable_sort) { | 144 bool needs_stable_sort) { |
145 SortVectorWithStringKey<Element>(locale, elements, 0, elements->size(), | 145 SortVectorWithStringKey<Element>(locale, elements, 0, elements->size(), |
146 needs_stable_sort); | 146 needs_stable_sort); |
147 } | 147 } |
148 | 148 |
149 } // namespace l10n_util | 149 } // namespace l10n_util |
150 | 150 |
151 #endif // UI_BASE_L10N_L10N_UTIL_COLLATOR_H_ | 151 #endif // UI_BASE_L10N_L10N_UTIL_COLLATOR_H_ |
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