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// 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.
#include "config.h"
#include "CSSParserObserverWrapper.h"
#include "CSSParserTokenRange.h"
namespace WebCore {
unsigned CSSParserObserverWrapper::startOffset(const CSSParserTokenRange& range)
{
return m_tokenOffsets[range.begin() - m_firstParserToken];
}
unsigned CSSParserObserverWrapper::previousTokenStartOffset(const CSSParserTokenRange& range)
{
if (range.begin() == m_firstParserToken)
return 0;
return m_tokenOffsets[range.begin() - m_firstParserToken - 1];
}
unsigned CSSParserObserverWrapper::endOffset(const CSSParserTokenRange& range)
{
return m_tokenOffsets[range.end() - m_firstParserToken];
}
void CSSParserObserverWrapper::skipCommentsBefore(const CSSParserTokenRange& range, bool leaveDirectlyBefore)
{
unsigned startIndex = range.begin() - m_firstParserToken;
if (!leaveDirectlyBefore)
++startIndex;
while (m_commentIndex < m_commentOffsets.size() && m_commentOffsets[m_commentIndex].tokensBefore < startIndex)
++m_commentIndex;
}
void CSSParserObserverWrapper::yieldCommentsBefore(const CSSParserTokenRange& range)
{
unsigned startIndex = range.begin() - m_firstParserToken;
for (; m_commentIndex < m_commentOffsets.size(); ++m_commentIndex) {
auto& commentOffset = m_commentOffsets[m_commentIndex];
if (commentOffset.tokensBefore > startIndex)
break;
m_observer.observeComment(commentOffset.startOffset, commentOffset.endOffset);
}
}
} // namespace WebCore
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