1 /* 2 * Copyright (C) 2010 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 IDBKeyPath_h 27 #define IDBKeyPath_h 28 29 #include "wtf/Vector.h" 30 #include "wtf/text/WTFString.h" 31 32 namespace WebCore { 33 34 enum IDBKeyPathParseError { 35 IDBKeyPathParseErrorNone, 36 IDBKeyPathParseErrorStart, 37 IDBKeyPathParseErrorIdentifier, 38 IDBKeyPathParseErrorDot, 39 }; 40 41 void IDBParseKeyPath(const String&, Vector<String>&, IDBKeyPathParseError&); 42 43 class IDBKeyPath { 44 public: IDBKeyPath()45 IDBKeyPath() : m_type(NullType) { } 46 explicit IDBKeyPath(const String&); 47 explicit IDBKeyPath(const Vector<String>& array); 48 49 enum Type { 50 NullType = 0, 51 StringType, 52 ArrayType 53 }; 54 type()55 Type type() const { return m_type; } 56 array()57 const Vector<String>& array() const 58 { 59 ASSERT(m_type == ArrayType); 60 return m_array; 61 } 62 string()63 const String& string() const 64 { 65 ASSERT(m_type == StringType); 66 return m_string; 67 } 68 isNull()69 bool isNull() const { return m_type == NullType; } 70 bool isValid() const; 71 bool operator==(const IDBKeyPath& other) const; 72 73 private: 74 Type m_type; 75 String m_string; 76 Vector<String> m_array; 77 }; 78 79 } // namespace WebCore 80 81 #endif // IDBKeyPath_h 82