1 /* 2 * Copyright (C) 2008 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. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef CachedScriptSourceProvider_h 27 #define CachedScriptSourceProvider_h 28 29 #include "CachedResourceClient.h" 30 #include "CachedResourceHandle.h" 31 #include "CachedScript.h" 32 #include "JSDOMBinding.h" // for stringToUString 33 #include "ScriptSourceProvider.h" 34 #include <parser/SourceCode.h> 35 36 namespace WebCore { 37 38 class CachedScriptSourceProvider : public ScriptSourceProvider, public CachedResourceClient { 39 WTF_MAKE_FAST_ALLOCATED; 40 public: create(CachedScript * cachedScript)41 static PassRefPtr<CachedScriptSourceProvider> create(CachedScript* cachedScript) { return adoptRef(new CachedScriptSourceProvider(cachedScript)); } 42 ~CachedScriptSourceProvider()43 virtual ~CachedScriptSourceProvider() 44 { 45 m_cachedScript->removeClient(this); 46 } 47 getRange(int start,int end)48 JSC::UString getRange(int start, int end) const { return JSC::UString(m_cachedScript->script().characters() + start, end - start); } data()49 const UChar* data() const { return m_cachedScript->script().characters(); } length()50 int length() const { return m_cachedScript->script().length(); } source()51 const String& source() const { return m_cachedScript->script(); } 52 cacheSizeChanged(int delta)53 virtual void cacheSizeChanged(int delta) 54 { 55 m_cachedScript->sourceProviderCacheSizeChanged(delta); 56 } 57 58 private: CachedScriptSourceProvider(CachedScript * cachedScript)59 CachedScriptSourceProvider(CachedScript* cachedScript) 60 : ScriptSourceProvider(stringToUString(cachedScript->response().url()), cachedScript->sourceProviderCache()) 61 , m_cachedScript(cachedScript) 62 { 63 m_cachedScript->addClient(this); 64 } 65 66 CachedResourceHandle<CachedScript> m_cachedScript; 67 }; 68 makeSource(CachedScript * cachedScript)69 inline JSC::SourceCode makeSource(CachedScript* cachedScript) 70 { 71 return JSC::SourceCode(CachedScriptSourceProvider::create(cachedScript)); 72 } 73 74 } // namespace WebCore 75 76 #endif // CachedScriptSourceProvider_h 77