content/common/indexed_db/indexed_db_key_path.h

   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_INDEXED_DB_INDEXED_DB_KEY_PATH_H_
   6 #define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_PATH_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/logging.h"
  12 #include "base/strings/string16.h"
  13 #include "content/common/content_export.h"
  14 #include "third_party/WebKit/public/platform/WebIDBTypes.h"
  15
  16 namespace content {
  17
  18 class CONTENT_EXPORT IndexedDBKeyPath {
  19  public:
  20   IndexedDBKeyPath();  // Defaults to blink::WebIDBKeyPathTypeNull.
  21   explicit IndexedDBKeyPath(const base::string16&);
  22   explicit IndexedDBKeyPath(const std::vector<base::string16>&);
  23   IndexedDBKeyPath(const IndexedDBKeyPath& other);
  24   ~IndexedDBKeyPath();
  25   IndexedDBKeyPath& operator=(const IndexedDBKeyPath& other);
  26
  27   bool IsNull() const { return type_ == blink::WebIDBKeyPathTypeNull; }
  28   bool operator==(const IndexedDBKeyPath& other) const;
  29
  30   blink::WebIDBKeyPathType type() const { return type_; }
  31   const std::vector<base::string16>& array() const;
  32   const base::string16& string() const;
  33
  34  private:
  35   blink::WebIDBKeyPathType type_;
  36   base::string16 string_;
  37   std::vector<base::string16> array_;
  38 };
  39
  40 }  // namespace content
  41
  42 #endif  // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_PATH_H_