15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2011 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef IDBKey_h 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define IDBKey_h 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2951b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)#include "platform/SharedBuffer.h" 30f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu#include "platform/heap/Handle.h" 3153e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "wtf/Forward.h" 3253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "wtf/Vector.h" 3353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "wtf/text/WTFString.h" 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 35c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 37d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)class IDBKey : public GarbageCollectedFinalized<IDBKey> { 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 39d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) typedef HeapVector<Member<IDBKey> > KeyArray; 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 41d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) static IDBKey* createInvalid() 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 43d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) return new IDBKey(); 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 46d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) static IDBKey* createNumber(double number) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 48d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) return new IDBKey(NumberType, number); 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 51d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) static IDBKey* createBinary(PassRefPtr<SharedBuffer> binary) 5251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) { 53d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) return new IDBKey(binary); 5451b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) } 5551b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) 56d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) static IDBKey* createString(const String& string) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 58d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) return new IDBKey(string); 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 61d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) static IDBKey* createDate(double date) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 63d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) return new IDBKey(DateType, date); 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 66d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) static IDBKey* createMultiEntryArray(const KeyArray& array) 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) KeyArray result; 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (size_t i = 0; i < array.size(); i++) { 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!array[i]->isValid()) 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) continue; 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool skip = false; 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (size_t j = 0; j < result.size(); j++) { 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (array[i]->isEqual(result[j].get())) { 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) skip = true; 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!skip) { 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) result.append(array[i]); 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 85d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) IDBKey* idbKey = new IDBKey(result); 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(idbKey->isValid()); 87d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) return idbKey; 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 90d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) static IDBKey* createArray(const KeyArray& array) 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 92d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) return new IDBKey(array); 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ~IDBKey(); 96f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu void trace(Visitor*); 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // In order of the least to the highest precedent in terms of sort order. 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) enum Type { 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) InvalidType = 0, 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ArrayType, 10251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) BinaryType, 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringType, 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) DateType, 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) NumberType, 1065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) MinType 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) }; 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Type type() const { return m_type; } 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool isValid() const; 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const KeyArray& array() const 1135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_type == ArrayType); 1155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_array; 1165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 11851b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) PassRefPtr<SharedBuffer> binary() const 11951b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) { 12051b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) ASSERT(m_type == BinaryType); 12151b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) return m_binary; 12251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) } 12351b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) 1245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const String& string() const 1255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_type == StringType); 1275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_string; 1285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) double date() const 1315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_type == DateType); 1335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_number; 1345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) double number() const 1375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_type == NumberType); 1395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_number; 1405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int compare(const IDBKey* other) const; 1435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool isLessThan(const IDBKey* other) const; 1445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool isEqual(const IDBKey* other) const; 1455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 14751b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) IDBKey() : m_type(InvalidType), m_number(0) { } 14851b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) IDBKey(Type type, double number) : m_type(type), m_number(number) { } 14951b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) explicit IDBKey(const String& value) : m_type(StringType), m_string(value), m_number(0) { } 15051b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) explicit IDBKey(PassRefPtr<SharedBuffer> value) : m_type(BinaryType), m_binary(value), m_number(0) { } 15151b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) explicit IDBKey(const KeyArray& keyArray) : m_type(ArrayType), m_array(keyArray), m_number(0) { } 1525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const Type m_type; 1545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const KeyArray m_array; 15551b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) RefPtr<SharedBuffer> m_binary; 1565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const String m_string; 1575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const double m_number; 1585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 160c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 1615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // IDBKey_h 163