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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 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <functional> | 10 #include <functional> |
11 #include <string> | 11 #include <string> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
15 #include "base/utf_string_conversions.h" | 15 #include "base/utf_string_conversions.h" |
| 16 #include "ui/ui_api.h" |
16 #include "unicode/coll.h" | 17 #include "unicode/coll.h" |
17 | 18 |
18 namespace l10n_util { | 19 namespace l10n_util { |
19 | 20 |
20 // Compares the two strings using the specified collator. | 21 // Compares the two strings using the specified collator. |
21 UCollationResult CompareString16WithCollator(const icu::Collator* collator, | 22 UI_API UCollationResult CompareString16WithCollator( |
22 const string16& lhs, | 23 const icu::Collator* collator, |
23 const string16& rhs); | 24 const string16& lhs, |
| 25 const string16& rhs); |
24 | 26 |
25 // Used by SortStringsUsingMethod. Invokes a method on the objects passed to | 27 // Used by SortStringsUsingMethod. Invokes a method on the objects passed to |
26 // operator (), comparing the string results using a collator. | 28 // operator (), comparing the string results using a collator. |
27 template <class T, class Method> | 29 template <class T, class Method> |
28 class StringMethodComparatorWithCollator | 30 class StringMethodComparatorWithCollator |
29 : public std::binary_function<const string16&, | 31 : public std::binary_function<const string16&, |
30 const string16&, | 32 const string16&, |
31 bool> { | 33 bool> { |
32 public: | 34 public: |
33 StringMethodComparatorWithCollator(icu::Collator* collator, Method method) | 35 StringMethodComparatorWithCollator(icu::Collator* collator, Method method) |
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103 | 105 |
104 return StringComparator<string16>(collator_)(lhs_string_key, | 106 return StringComparator<string16>(collator_)(lhs_string_key, |
105 rhs_string_key); | 107 rhs_string_key); |
106 } | 108 } |
107 | 109 |
108 private: | 110 private: |
109 icu::Collator* collator_; | 111 icu::Collator* collator_; |
110 }; | 112 }; |
111 | 113 |
112 // Specialization of operator() method for string16 version. | 114 // Specialization of operator() method for string16 version. |
113 template <> | 115 template <> UI_API |
114 bool StringComparator<string16>::operator()(const string16& lhs, | 116 bool StringComparator<string16>::operator()(const string16& lhs, |
115 const string16& rhs); | 117 const string16& rhs); |
116 | 118 |
117 // In place sorting of |elements| of a vector according to the string key of | 119 // In place sorting of |elements| of a vector according to the string key of |
118 // each element in the vector by using collation rules for |locale|. | 120 // each element in the vector by using collation rules for |locale|. |
119 // |begin_index| points to the start position of elements in the vector which | 121 // |begin_index| points to the start position of elements in the vector which |
120 // want to be sorted. |end_index| points to the end position of elements in the | 122 // want to be sorted. |end_index| points to the end position of elements in the |
121 // vector which want to be sorted | 123 // vector which want to be sorted |
122 template <class Element> | 124 template <class Element> |
123 void SortVectorWithStringKey(const std::string& locale, | 125 void SortVectorWithStringKey(const std::string& locale, |
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146 void SortVectorWithStringKey(const std::string& locale, | 148 void SortVectorWithStringKey(const std::string& locale, |
147 std::vector<Element>* elements, | 149 std::vector<Element>* elements, |
148 bool needs_stable_sort) { | 150 bool needs_stable_sort) { |
149 SortVectorWithStringKey<Element>(locale, elements, 0, elements->size(), | 151 SortVectorWithStringKey<Element>(locale, elements, 0, elements->size(), |
150 needs_stable_sort); | 152 needs_stable_sort); |
151 } | 153 } |
152 | 154 |
153 } // namespace l10n_util | 155 } // namespace l10n_util |
154 | 156 |
155 #endif // UI_BASE_L10N_L10N_UTIL_COLLATOR_H_ | 157 #endif // UI_BASE_L10N_L10N_UTIL_COLLATOR_H_ |
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