78 lines
3.0 KiB
C++
78 lines
3.0 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Copyright (C) 2016 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 are
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// met:
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//
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// * 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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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#include "CSSParserObserver.h"
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namespace WebCore {
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class CSSParserObserverWrapper {
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public:
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explicit CSSParserObserverWrapper(CSSParserObserver& observer)
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: m_observer(observer)
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{ }
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unsigned startOffset(const CSSParserTokenRange&);
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unsigned previousTokenStartOffset(const CSSParserTokenRange&);
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unsigned endOffset(const CSSParserTokenRange&); // Includes trailing comments
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void skipCommentsBefore(const CSSParserTokenRange&, bool leaveDirectlyBefore);
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void yieldCommentsBefore(const CSSParserTokenRange&);
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CSSParserObserver& observer() { return m_observer; }
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void addComment(unsigned startOffset, unsigned endOffset, unsigned tokensBefore)
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{
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CommentPosition position = {startOffset, endOffset, tokensBefore};
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m_commentOffsets.append(position);
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}
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void addToken(unsigned startOffset) { m_tokenOffsets.append(startOffset); }
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void finalizeConstruction(CSSParserToken* firstParserToken)
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{
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m_firstParserToken = firstParserToken;
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m_commentIterator = m_commentOffsets.begin();
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}
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private:
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CSSParserObserver& m_observer;
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Vector<unsigned> m_tokenOffsets;
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CSSParserToken* m_firstParserToken;
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struct CommentPosition {
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unsigned startOffset;
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unsigned endOffset;
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unsigned tokensBefore;
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};
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Vector<CommentPosition> m_commentOffsets;
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Vector<CommentPosition>::iterator m_commentIterator;
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};
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} // namespace WebCore
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