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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/common/autofill_regexes.h" | 5 #include "components/autofill/core/common/autofill_regexes.h" |
6 | 6 |
7 #include "base/containers/scoped_ptr_hash_map.h" | 7 #include "base/containers/scoped_ptr_hash_map.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "base/memory/singleton.h" | 10 #include "base/memory/singleton.h" |
11 #include "base/strings/string16.h" | 11 #include "base/strings/string16.h" |
12 #include "third_party/icu/source/i18n/unicode/regex.h" | 12 #include "third_party/icu/source/i18n/unicode/regex.h" |
13 | 13 |
14 namespace { | 14 namespace { |
15 | 15 |
16 // A singleton class that serves as a cache of compiled regex patterns. | 16 // A singleton class that serves as a cache of compiled regex patterns. |
17 class AutofillRegexes { | 17 class AutofillRegexes { |
18 public: | 18 public: |
19 static AutofillRegexes* GetInstance(); | 19 static AutofillRegexes* GetInstance(); |
20 | 20 |
21 // Returns the compiled regex matcher corresponding to |pattern|. | 21 // Returns the compiled regex matcher corresponding to |pattern|. |
22 icu::RegexMatcher* GetMatcher(const base::string16& pattern); | 22 icu::RegexMatcher* GetMatcher(const base::string16& pattern); |
23 | 23 |
24 private: | 24 private: |
25 AutofillRegexes(); | 25 AutofillRegexes(); |
26 ~AutofillRegexes(); | 26 ~AutofillRegexes(); |
27 friend struct DefaultSingletonTraits<AutofillRegexes>; | 27 friend struct base::DefaultSingletonTraits<AutofillRegexes>; |
28 | 28 |
29 // Maps patterns to their corresponding regex matchers. | 29 // Maps patterns to their corresponding regex matchers. |
30 base::ScopedPtrHashMap<base::string16, scoped_ptr<icu::RegexMatcher>> | 30 base::ScopedPtrHashMap<base::string16, scoped_ptr<icu::RegexMatcher>> |
31 matchers_; | 31 matchers_; |
32 | 32 |
33 DISALLOW_COPY_AND_ASSIGN(AutofillRegexes); | 33 DISALLOW_COPY_AND_ASSIGN(AutofillRegexes); |
34 }; | 34 }; |
35 | 35 |
36 // static | 36 // static |
37 AutofillRegexes* AutofillRegexes::GetInstance() { | 37 AutofillRegexes* AutofillRegexes::GetInstance() { |
38 return Singleton<AutofillRegexes>::get(); | 38 return base::Singleton<AutofillRegexes>::get(); |
39 } | 39 } |
40 | 40 |
41 AutofillRegexes::AutofillRegexes() { | 41 AutofillRegexes::AutofillRegexes() { |
42 } | 42 } |
43 | 43 |
44 AutofillRegexes::~AutofillRegexes() { | 44 AutofillRegexes::~AutofillRegexes() { |
45 } | 45 } |
46 | 46 |
47 icu::RegexMatcher* AutofillRegexes::GetMatcher(const base::string16& pattern) { | 47 icu::RegexMatcher* AutofillRegexes::GetMatcher(const base::string16& pattern) { |
48 auto it = matchers_.find(pattern); | 48 auto it = matchers_.find(pattern); |
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72 icu::UnicodeString icu_input(input.data(), input.length()); | 72 icu::UnicodeString icu_input(input.data(), input.length()); |
73 matcher->reset(icu_input); | 73 matcher->reset(icu_input); |
74 | 74 |
75 UErrorCode status = U_ZERO_ERROR; | 75 UErrorCode status = U_ZERO_ERROR; |
76 UBool match = matcher->find(0, status); | 76 UBool match = matcher->find(0, status); |
77 DCHECK(U_SUCCESS(status)); | 77 DCHECK(U_SUCCESS(status)); |
78 return match == TRUE; | 78 return match == TRUE; |
79 } | 79 } |
80 | 80 |
81 } // namespace autofill | 81 } // namespace autofill |
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