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_H_ 6 #define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/basictypes.h" 12 #include "base/memory/scoped_vector.h" 13 #include "base/strings/string16.h" 14 #include "content/common/content_export.h" 15 #include "third_party/WebKit/public/platform/WebIDBTypes.h" 16 17 namespace blink { 18 class WebIDBKey; 19 } 20 21 namespace content { 22 23 class CONTENT_EXPORT IndexedDBKey { 24 public: 25 typedef std::vector<IndexedDBKey> KeyArray; 26 27 IndexedDBKey(); // Defaults to blink::WebIDBKeyTypeInvalid. 28 explicit IndexedDBKey(blink::WebIDBKeyType); // must be Null or Invalid 29 explicit IndexedDBKey(const KeyArray& array); 30 explicit IndexedDBKey(const std::string& binary); 31 explicit IndexedDBKey(const base::string16& string); 32 IndexedDBKey(double number, 33 blink::WebIDBKeyType type); // must be date or number 34 ~IndexedDBKey(); 35 36 bool IsValid() const; 37 38 bool IsLessThan(const IndexedDBKey& other) const; 39 bool Equals(const IndexedDBKey& other) const; 40 41 blink::WebIDBKeyType type() const { return type_; } 42 const std::vector<IndexedDBKey>& array() const { return array_; } 43 const std::string& binary() const { return binary_; } 44 const base::string16& string() const { return string_; } 45 double date() const { return date_; } 46 double number() const { return number_; } 47 48 size_t size_estimate() const { return size_estimate_; } 49 50 private: 51 int CompareTo(const IndexedDBKey& other) const; 52 53 blink::WebIDBKeyType type_; 54 std::vector<IndexedDBKey> array_; 55 std::string binary_; 56 base::string16 string_; 57 double date_; 58 double number_; 59 60 size_t size_estimate_; 61 }; 62 63 } // namespace content 64 65 #endif // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_H_ 66
