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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "core/css/parser/MediaQueryBlockWatcher.h"
#include "core/css/parser/MediaQueryToken.h"
namespace WebCore {
MediaQueryBlockWatcher::MediaQueryBlockWatcher()
: m_blockLevel(0)
{
}
void MediaQueryBlockWatcher::handleToken(const MediaQueryToken& token)
{
if (token.blockType() == MediaQueryToken::BlockStart) {
++m_blockLevel;
} else if (token.blockType() == MediaQueryToken::BlockEnd) {
ASSERT(m_blockLevel);
--m_blockLevel;
}
}
} // namespace
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