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 WebIDBIndex_h 27 #define WebIDBIndex_h 28 29 #include "WebExceptionCode.h" 30 #include "WebIDBTransaction.h" 31 #include "WebString.h" 32 33 namespace WebKit { 34 35 class WebIDBCallbacks; 36 class WebIDBKey; 37 class WebIDBKeyRange; 38 39 // See comment in WebIDBFactory for a high level overview of these classes. 40 class WebIDBIndex { 41 public: ~WebIDBIndex()42 virtual ~WebIDBIndex() { } 43 name()44 virtual WebString name() const 45 { 46 WEBKIT_ASSERT_NOT_REACHED(); 47 return WebString(); 48 } storeName()49 virtual WebString storeName() const 50 { 51 WEBKIT_ASSERT_NOT_REACHED(); 52 return WebString(); 53 } keyPath()54 virtual WebString keyPath() const 55 { 56 WEBKIT_ASSERT_NOT_REACHED(); 57 return WebString(); 58 } unique()59 virtual bool unique() const 60 { 61 WEBKIT_ASSERT_NOT_REACHED(); 62 return false; 63 } 64 openObjectCursor(const WebIDBKeyRange &,unsigned short direction,WebIDBCallbacks *,const WebIDBTransaction &,WebExceptionCode &)65 virtual void openObjectCursor(const WebIDBKeyRange&, unsigned short direction, WebIDBCallbacks*, const WebIDBTransaction&, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); } openKeyCursor(const WebIDBKeyRange &,unsigned short direction,WebIDBCallbacks *,const WebIDBTransaction &,WebExceptionCode &)66 virtual void openKeyCursor(const WebIDBKeyRange&, unsigned short direction, WebIDBCallbacks*, const WebIDBTransaction&, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); } getObject(const WebIDBKey &,WebIDBCallbacks *,const WebIDBTransaction &,WebExceptionCode &)67 virtual void getObject(const WebIDBKey&, WebIDBCallbacks*, const WebIDBTransaction&, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); } getKey(const WebIDBKey &,WebIDBCallbacks *,const WebIDBTransaction &,WebExceptionCode &)68 virtual void getKey(const WebIDBKey&, WebIDBCallbacks*, const WebIDBTransaction&, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); } 69 70 protected: WebIDBIndex()71 WebIDBIndex() {} 72 }; 73 74 } // namespace WebKit 75 76 #endif // WebIDBIndex_h 77