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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_COMMON_ANDROID_ADDRESS_PARSER_INTERNAL_H_ | |
| 6 #define CONTENT_COMMON_ANDROID_ADDRESS_PARSER_INTERNAL_H_ | |
| 7 | |
| 8 #include <stddef.h> | |
| 9 | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "base/macros.h" | |
| 13 #include "base/strings/string_tokenizer.h" | |
| 14 #include "content/common/content_export.h" | |
| 15 | |
| 16 namespace content { | |
| 17 | |
| 18 namespace address_parser { | |
| 19 | |
| 20 // Internal classes and functions for address parsing. | |
| 21 namespace internal { | |
| 22 | |
| 23 // Exposed for tests. | |
| 24 struct CONTENT_EXPORT Word { | |
| 25 base::string16::const_iterator begin; | |
| 26 base::string16::const_iterator end; | |
| 27 | |
| 28 Word(); | |
| 29 Word(const base::string16::const_iterator& begin, | |
| 30 const base::string16::const_iterator& end); | |
| 31 Word(const Word& other); | |
| 32 }; | |
| 33 | |
| 34 // Exposed for tests. | |
| 35 class CONTENT_EXPORT HouseNumberParser { | |
| 36 public: | |
| 37 HouseNumberParser(); | |
| 38 | |
| 39 bool Parse(const base::string16::const_iterator& begin, | |
| 40 const base::string16::const_iterator& end, | |
| 41 Word* word); | |
| 42 | |
| 43 private: | |
| 44 static inline bool IsPreDelimiter(base::char16 character); | |
| 45 static inline bool IsPostDelimiter(base::char16 character); | |
| 46 inline void RestartOnNextDelimiter(); | |
| 47 | |
| 48 inline bool CheckFinished(Word* word) const; | |
| 49 inline void AcceptChars(size_t num_chars); | |
| 50 inline void SkipChars(size_t num_chars); | |
| 51 inline void ResetState(); | |
| 52 | |
| 53 // Iterators to the beginning, current position and ending of the string | |
| 54 // being currently parsed. | |
| 55 base::string16::const_iterator begin_; | |
| 56 base::string16::const_iterator it_; | |
| 57 base::string16::const_iterator end_; | |
| 58 | |
| 59 // Number of digits found in the current result candidate. | |
| 60 size_t num_digits_; | |
| 61 | |
| 62 // Number of characters previous to the current iterator that belong | |
| 63 // to the current result candidate. | |
| 64 size_t result_chars_; | |
| 65 | |
| 66 DISALLOW_COPY_AND_ASSIGN(HouseNumberParser); | |
| 67 }; | |
| 68 | |
| 69 typedef std::vector<Word> WordList; | |
| 70 typedef base::StringTokenizerT<base::string16, base::string16::const_iterator> | |
| 71 String16Tokenizer; | |
| 72 | |
| 73 // These are exposed for tests. | |
| 74 CONTENT_EXPORT bool FindStateStartingInWord(WordList* words, | |
| 75 size_t state_first_word, | |
| 76 size_t* state_last_word, | |
| 77 String16Tokenizer* tokenizer, | |
| 78 size_t* state_index); | |
| 79 | |
| 80 CONTENT_EXPORT bool IsValidLocationName(const Word& word); | |
| 81 CONTENT_EXPORT bool IsZipValid(const Word& word, size_t state_index); | |
| 82 CONTENT_EXPORT bool IsZipValidForState(const Word& word, size_t state_index); | |
| 83 | |
| 84 } // namespace internal | |
| 85 | |
| 86 } // namespace address_parser | |
| 87 | |
| 88 } // namespace content | |
| 89 | |
| 90 #endif // CONTENT_COMMON_ANDROID_ADDRESS_PARSER_INTERNAL_H_ | |
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