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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #include "components/autofill/core/browser/autofill_regexes.h" | 5 #include "components/autofill/core/browser/autofill_regexes.h" |
| 6 | 6 |
| 7 #include <map> | 7 #include <map> |
| 8 #include <utility> | 8 #include <utility> |
| 9 | 9 |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
| 11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
| 12 #include "base/memory/singleton.h" | 12 #include "base/memory/singleton.h" |
| 13 #include "base/stl_util.h" | 13 #include "base/stl_util.h" |
| 14 #include "base/strings/string16.h" | 14 #include "base/strings/string16.h" |
| 15 #include "third_party/icu/public/i18n/unicode/regex.h" | 15 #include "third_party/icu/source/i18n/unicode/regex.h" |
| 16 | 16 |
| 17 namespace { | 17 namespace { |
| 18 | 18 |
| 19 // A singleton class that serves as a cache of compiled regex patterns. | 19 // A singleton class that serves as a cache of compiled regex patterns. |
| 20 class AutofillRegexes { | 20 class AutofillRegexes { |
| 21 public: | 21 public: |
| 22 static AutofillRegexes* GetInstance(); | 22 static AutofillRegexes* GetInstance(); |
| 23 | 23 |
| 24 // Returns the compiled regex matcher corresponding to |pattern|. | 24 // Returns the compiled regex matcher corresponding to |pattern|. |
| 25 icu::RegexMatcher* GetMatcher(const base::string16& pattern); | 25 icu::RegexMatcher* GetMatcher(const base::string16& pattern); |
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| 75 icu::UnicodeString icu_input(input.data(), input.length()); | 75 icu::UnicodeString icu_input(input.data(), input.length()); |
| 76 matcher->reset(icu_input); | 76 matcher->reset(icu_input); |
| 77 | 77 |
| 78 UErrorCode status = U_ZERO_ERROR; | 78 UErrorCode status = U_ZERO_ERROR; |
| 79 UBool match = matcher->find(0, status); | 79 UBool match = matcher->find(0, status); |
| 80 DCHECK(U_SUCCESS(status)); | 80 DCHECK(U_SUCCESS(status)); |
| 81 return !!match; | 81 return !!match; |
| 82 } | 82 } |
| 83 | 83 |
| 84 } // namespace autofill | 84 } // namespace autofill |
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