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#include "config.h" 27#include "IDBKey.h" 28 29#if ENABLE(INDEXED_DATABASE) 30 31#include "IDBKeyData.h" 32 33namespace WebCore { 34 35IDBKey::~IDBKey() 36{ 37} 38 39bool IDBKey::isValid() const 40{ 41 if (m_type == InvalidType) 42 return false; 43 44 if (m_type == ArrayType) { 45 for (size_t i = 0; i < m_array.size(); i++) { 46 if (!m_array[i]->isValid()) 47 return false; 48 } 49 } 50 51 return true; 52} 53 54int IDBKey::compare(const IDBKey* other) const 55{ 56 ASSERT(other); 57 if (m_type != other->m_type) 58 return m_type > other->m_type ? -1 : 1; 59 60 switch (m_type) { 61 case ArrayType: 62 for (size_t i = 0; i < m_array.size() && i < other->m_array.size(); ++i) { 63 if (int result = m_array[i]->compare(other->m_array[i].get())) 64 return result; 65 } 66 if (m_array.size() < other->m_array.size()) 67 return -1; 68 if (m_array.size() > other->m_array.size()) 69 return 1; 70 return 0; 71 case StringType: 72 return -codePointCompare(other->m_string, m_string); 73 case DateType: 74 case NumberType: 75 return (m_number < other->m_number) ? -1 : 76 (m_number > other-> m_number) ? 1 : 0; 77 case InvalidType: 78 case MinType: 79 case MaxType: 80 ASSERT_NOT_REACHED(); 81 return 0; 82 } 83 84 ASSERT_NOT_REACHED(); 85 return 0; 86} 87 88bool IDBKey::isLessThan(const IDBKey* other) const 89{ 90 ASSERT(other); 91 return compare(other) == -1; 92} 93 94bool IDBKey::isEqual(const IDBKey* other) const 95{ 96 if (!other) 97 return false; 98 99 return !compare(other); 100} 101 102#ifndef NDEBUG 103String IDBKey::loggingString() const 104{ 105 return IDBKeyData(this).loggingString(); 106} 107#endif 108 109} // namespace WebCore 110 111#endif 112