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