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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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