blob: 82f62190165b0714b0fcb119a1c6aa08ce496b27 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <vector>
#include "base/macros.h"
#include "base/strings/string_tokenizer.h"
namespace android_webview {
namespace address_parser {
// Internal classes and functions for address parsing.
namespace internal {
// Exposed for tests.
struct Word {
base::string16::const_iterator begin;
base::string16::const_iterator end;
Word(const base::string16::const_iterator& begin,
const base::string16::const_iterator& end);
Word(const Word& other);
// Exposed for tests.
class HouseNumberParser {
bool Parse(const base::string16::const_iterator& begin,
const base::string16::const_iterator& end,
Word* word);
static inline bool IsPreDelimiter(base::char16 character);
static inline bool IsPostDelimiter(base::char16 character);
inline void RestartOnNextDelimiter();
inline bool CheckFinished(Word* word) const;
inline void AcceptChars(size_t num_chars);
inline void SkipChars(size_t num_chars);
inline void ResetState();
// Iterators to the beginning, current position and ending of the string
// being currently parsed.
base::string16::const_iterator begin_;
base::string16::const_iterator it_;
base::string16::const_iterator end_;
// Number of digits found in the current result candidate.
size_t num_digits_;
// Number of characters previous to the current iterator that belong
// to the current result candidate.
size_t result_chars_;
typedef std::vector<Word> WordList;
typedef base::StringTokenizerT<base::string16, base::string16::const_iterator>
// These are exposed for tests.
bool FindStateStartingInWord(WordList* words,
size_t state_first_word,
size_t* state_last_word,
String16Tokenizer* tokenizer,
size_t* state_index);
bool IsValidLocationName(const Word& word);
bool IsZipValid(const Word& word, size_t state_index);
bool IsZipValidForState(const Word& word, size_t state_index);
} // namespace internal
} // namespace address_parser
} // namespace android_webview