1/* 2 * Copyright (C) 2014 Apple 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef IDBKeyData_h 27#define IDBKeyData_h 28 29#if ENABLE(INDEXED_DATABASE) 30 31#include "IDBKey.h" 32 33namespace WebCore { 34 35class KeyedDecoder; 36class KeyedEncoder; 37 38struct IDBKeyData { 39 IDBKeyData() 40 : type(IDBKey::InvalidType) 41 , numberValue(0) 42 , isNull(true) 43 { 44 } 45 46 IDBKeyData(const IDBKey*); 47 48 static IDBKeyData minimum() 49 { 50 IDBKeyData result; 51 result.type = IDBKey::MinType; 52 result.isNull = false; 53 return result; 54 } 55 56 static IDBKeyData maximum() 57 { 58 IDBKeyData result; 59 result.type = IDBKey::MaxType; 60 result.isNull = false; 61 return result; 62 } 63 64 PassRefPtr<IDBKey> maybeCreateIDBKey() const; 65 66 IDBKeyData isolatedCopy() const; 67 68 void encode(KeyedEncoder&) const; 69 static bool decode(KeyedDecoder&, IDBKeyData&); 70 71 // compare() has the same semantics as strcmp(). 72 // - Returns negative if this IDBKeyData is less than other. 73 // - Returns positive if this IDBKeyData is greater than other. 74 // - Returns zero if this IDBKeyData is equal to other. 75 int compare(const IDBKeyData& other) const; 76 77 void setArrayValue(const Vector<IDBKeyData>&); 78 void setStringValue(const String&); 79 void setDateValue(double); 80 void setNumberValue(double); 81 82#ifndef NDEBUG 83 String loggingString() const; 84#endif 85 86 IDBKey::Type type; 87 Vector<IDBKeyData> arrayValue; 88 String stringValue; 89 double numberValue; 90 bool isNull; 91}; 92 93} // namespace WebCore 94 95#endif // ENABLE(INDEXED_DATABASE) 96#endif // IDBKeyData_h 97