1 /* 2 * Copyright (C) 2011 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef WebIDBKey_h 27 #define WebIDBKey_h 28 29 #include "WebCommon.h" 30 #include "WebData.h" 31 #include "WebIDBTypes.h" 32 #include "WebPrivatePtr.h" 33 #include "WebString.h" 34 #include "WebVector.h" 35 36 namespace blink { 37 38 class IDBKey; 39 40 class WebIDBKey { 41 public: 42 // Please use one of the factory methods. This is public only to allow WebVector. WebIDBKey()43 WebIDBKey() { } ~WebIDBKey()44 ~WebIDBKey() { reset(); } 45 46 BLINK_EXPORT static WebIDBKey createArray(const WebVector<WebIDBKey>&); 47 BLINK_EXPORT static WebIDBKey createBinary(const WebData&); 48 BLINK_EXPORT static WebIDBKey createString(const WebString&); 49 BLINK_EXPORT static WebIDBKey createDate(double); 50 BLINK_EXPORT static WebIDBKey createNumber(double); 51 BLINK_EXPORT static WebIDBKey createInvalid(); 52 BLINK_EXPORT static WebIDBKey createNull(); 53 WebIDBKey(const WebIDBKey & e)54 WebIDBKey(const WebIDBKey& e) { assign(e); } 55 WebIDBKey& operator=(const WebIDBKey& e) 56 { 57 assign(e); 58 return *this; 59 } 60 61 BLINK_EXPORT void assign(const WebIDBKey&); 62 BLINK_EXPORT void assignArray(const WebVector<WebIDBKey>&); 63 BLINK_EXPORT void assignBinary(const WebData&); 64 BLINK_EXPORT void assignString(const WebString&); 65 BLINK_EXPORT void assignDate(double); 66 BLINK_EXPORT void assignNumber(double); 67 BLINK_EXPORT void assignInvalid(); 68 BLINK_EXPORT void assignNull(); 69 BLINK_EXPORT void reset(); 70 71 BLINK_EXPORT WebIDBKeyType keyType() const; 72 BLINK_EXPORT bool isValid() const; 73 BLINK_EXPORT WebVector<WebIDBKey> array() const; // Only valid for ArrayType. 74 BLINK_EXPORT WebData binary() const; // Only valid for BinaryType. 75 BLINK_EXPORT WebString string() const; // Only valid for StringType. 76 BLINK_EXPORT double date() const; // Only valid for DateType. 77 BLINK_EXPORT double number() const; // Only valid for NumberType. 78 79 #if BLINK_IMPLEMENTATION 80 WebIDBKey(IDBKey*); 81 WebIDBKey& operator=(IDBKey*); 82 operator IDBKey*() const; 83 #endif 84 85 private: 86 WebPrivatePtr<IDBKey> m_private; 87 }; 88 89 } // namespace blink 90 91 #endif // WebIDBKey_h 92