chrome/browser/ui/app_list/search/tokenized_string.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_APP_LIST_SEARCH_TOKENIZED_STRING_H_
   6 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_TOKENIZED_STRING_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/strings/string16.h"
  12 #include "ui/gfx/range/range.h"
  13
  14 namespace app_list {
  15
  16 // TokenizedString takes a string and breaks it down into token words. It
  17 // first breaks using BreakIterator to get all the words. Then it breaks
  18 // the words again at camel case boundaries and alpha/number boundaries.
  19 class TokenizedString {
  20  public:
  21   typedef std::vector<base::string16> Tokens;
  22   typedef std::vector<gfx::Range> Mappings;
  23
  24   explicit TokenizedString(const base::string16& text);
  25   ~TokenizedString();
  26
  27   const base::string16& text() const { return text_; }
  28   const Tokens& tokens() const { return tokens_; }
  29   const Mappings& mappings() const { return mappings_; }
  30
  31  private:
  32   void Tokenize();
  33
  34   // Input text.
  35   const base::string16 text_;
  36
  37   // Broken down tokens and the index mapping of tokens in original string.
  38   Tokens tokens_;
  39   Mappings mappings_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(TokenizedString);
  42 };
  43
  44 }  // namespace app_list
  45
  46 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_TOKENIZED_STRING_H_