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 "bindings/v8/V8Binding.h" 32 #include "platform/heap/Handle.h" 33 #include "wtf/Noncopyable.h" 34 #include "wtf/Vector.h" 35 #include "wtf/text/WTFString.h" 36 37 namespace WebCore { 38 39 class Element; 40 41 class DOMStringMap : public NoBaseWillBeGarbageCollectedFinalized<DOMStringMap>, public ScriptWrappable { 42 WTF_MAKE_NONCOPYABLE(DOMStringMap); 43 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; 44 public: 45 virtual ~DOMStringMap(); 46 47 #if !ENABLE(OILPAN) 48 virtual void ref() = 0; 49 virtual void deref() = 0; 50 #endif 51 52 virtual void getNames(Vector<String>&) = 0; 53 virtual String item(const String& name) = 0; 54 virtual bool contains(const String& name) = 0; 55 virtual void setItem(const String& name, const String& value, ExceptionState&) = 0; 56 virtual bool deleteItem(const String& name) = 0; 57 bool anonymousNamedSetter(const String& name, const String& value, ExceptionState& exceptionState) 58 { 59 setItem(name, value, exceptionState); 60 return true; 61 } 62 DeleteResult anonymousNamedDeleter(const AtomicString& name) 63 { 64 bool knownProperty = deleteItem(name); 65 return knownProperty ? DeleteSuccess : DeleteUnknownProperty; 66 } 67 void namedPropertyEnumerator(Vector<String>& names, ExceptionState&) 68 { 69 getNames(names); 70 } 71 bool namedPropertyQuery(const AtomicString&, ExceptionState&); 72 73 String anonymousIndexedGetter(uint32_t index) 74 { 75 return item(String::number(index)); 76 } 77 bool anonymousIndexedSetter(uint32_t index, const String& value, ExceptionState& exceptionState) 78 { 79 return anonymousNamedSetter(String::number(index), value, exceptionState); 80 } 81 DeleteResult anonymousIndexedDeleter(uint32_t index) 82 { 83 return anonymousNamedDeleter(AtomicString::number(index)); 84 } 85 86 virtual Element* element() = 0; 87 88 virtual void trace(Visitor*) { } 89 90 protected: 91 DOMStringMap() 92 { 93 ScriptWrappable::init(this); 94 } 95 }; 96 97 } // namespace WebCore 98 99 #endif // DOMStringMap_h 100