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