1 /* 2 * Copyright (C) 2010 Apple 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef DOMStringMap_h 27 #define DOMStringMap_h 28 29 #include "bindings/v8/ExceptionState.h" 30 #include "bindings/v8/ScriptWrappable.h" 31 #include "wtf/Noncopyable.h" 32 #include "wtf/Vector.h" 33 #include "wtf/text/WTFString.h" 34 35 namespace WebCore { 36 37 class Element; 38 39 class DOMStringMap : public ScriptWrappable { 40 WTF_MAKE_NONCOPYABLE(DOMStringMap); WTF_MAKE_FAST_ALLOCATED; 41 public: 42 virtual ~DOMStringMap(); 43 44 virtual void ref() = 0; 45 virtual void deref() = 0; 46 47 virtual void getNames(Vector<String>&) = 0; 48 virtual String item(const String& name) = 0; 49 virtual bool contains(const String& name) = 0; 50 virtual void setItem(const String& name, const String& value, ExceptionState&) = 0; 51 virtual void deleteItem(const String& name, ExceptionState&) = 0; 52 bool anonymousNamedSetter(const String& name, const String& value, ExceptionState& es) 53 { 54 setItem(name, value, es); 55 return true; 56 } 57 bool anonymousNamedDeleter(const AtomicString& name, ExceptionState&) 58 { 59 // FIXME: Remove ExceptionState parameter. 60 61 TrackExceptionState es; 62 deleteItem(name, es); 63 bool result = !es.hadException(); 64 // DOMStringMap deleter should ignore exception. 65 // Behavior of Firefox and Opera are same. 66 // delete document.body.dataset["-foo"] // false instead of DOM Exception 12 67 // LayoutTests/fast/dom/HTMLSelectElement/select-selectedIndex-multiple.html 68 return result; 69 } 70 void namedPropertyEnumerator(Vector<String>& names, ExceptionState&) 71 { 72 getNames(names); 73 } 74 bool namedPropertyQuery(const AtomicString&, ExceptionState&); 75 76 virtual Element* element() = 0; 77 78 protected: 79 DOMStringMap() 80 { 81 ScriptWrappable::init(this); 82 } 83 }; 84 85 } // namespace WebCore 86 87 #endif // DOMStringMap_h 88