77 lines
3.1 KiB
C++
77 lines
3.1 KiB
C++
/*
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* Copyright (C) 2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(CONTENT_EXTENSIONS)
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#include "DFABytecodeInterpreter.h"
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#include "StyleSheetContents.h"
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#include <wtf/Ref.h>
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#include <wtf/RefCounted.h>
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#include <wtf/RefPtr.h>
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namespace WebCore {
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namespace ContentExtensions {
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class CompiledContentExtension;
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class ContentExtension : public RefCounted<ContentExtension> {
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public:
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enum class ShouldCompileCSS { No, Yes };
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static Ref<ContentExtension> create(const String& identifier, Ref<CompiledContentExtension>&&, ShouldCompileCSS = ShouldCompileCSS::Yes);
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const String& identifier() const { return m_identifier; }
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const CompiledContentExtension& compiledExtension() const { return m_compiledExtension.get(); }
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StyleSheetContents* globalDisplayNoneStyleSheet();
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const DFABytecodeInterpreter::Actions& topURLActions(const URL& topURL);
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const Vector<uint32_t>& universalActionsWithoutConditions() { return m_universalActionsWithoutConditions; }
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const Vector<uint32_t>& universalActionsWithConditions(const URL& topURL);
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private:
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ContentExtension(const String& identifier, Ref<CompiledContentExtension>&&, ShouldCompileCSS);
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uint32_t findFirstIgnorePreviousRules() const;
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String m_identifier;
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Ref<CompiledContentExtension> m_compiledExtension;
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RefPtr<StyleSheetContents> m_globalDisplayNoneStyleSheet;
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void compileGlobalDisplayNoneStyleSheet();
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URL m_cachedTopURL;
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void populateConditionCacheIfNeeded(const URL& topURL);
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DFABytecodeInterpreter::Actions m_cachedTopURLActions;
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Vector<uint32_t> m_cachedUniversalConditionedActions;
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Vector<uint32_t> m_universalActionsWithoutConditions;
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Vector<uint64_t> m_universalActionsWithConditions;
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};
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} // namespace ContentExtensions
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} // namespace WebCore
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#endif // ENABLE(CONTENT_EXTENSIONS)
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