chromium/third_party/blink/renderer/core/html/parser/html_preload_scanner.h

/*
 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
 * Copyright (C) 2010 Google 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:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_PARSER_HTML_PRELOAD_SCANNER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_PARSER_HTML_PRELOAD_SCANNER_H_

#include <memory>
#include <optional>
#include <utility>

#include "base/memory/ptr_util.h"
#include "base/memory/weak_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "services/network/public/cpp/client_hints.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/css/media_values_cached.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/html/parser/background_html_scanner.h"
#include "third_party/blink/renderer/core/html/parser/css_preload_scanner.h"
#include "third_party/blink/renderer/core/html/parser/html_token.h"
#include "third_party/blink/renderer/core/html/parser/preload_request.h"
#include "third_party/blink/renderer/core/lcp_critical_path_predictor/element_locator.h"
#include "third_party/blink/renderer/core/page/viewport_description.h"
#include "third_party/blink/renderer/platform/heap/persistent.h"
#include "third_party/blink/renderer/platform/text/segmented_string.h"
#include "third_party/blink/renderer/platform/wtf/sequence_bound.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {

class HTMLDocumentParser;
class HTMLParserOptions;
class HTMLTokenizer;
class SegmentedString;

// Encapsulates values from the <meta http-equiv="accept-ch"> or
// <meta http-equiv="delegate-ch"> tags. These are collected by the preload
// scanner to be later handled on the main thread.
struct MetaCHValue {};
MetaCHValues;

// Encapsulates data created by HTMLPreloadScanner that needs to be processed on
// the main thread.
struct PendingPreloadData {};

bool Match(const StringImpl* impl, const QualifiedName& q_name);
const StringImpl* TagImplFor(const HTMLToken::DataVector& data);

struct CORE_EXPORT CachedDocumentParameters {};

class TokenPreloadScanner {};

class CORE_EXPORT HTMLPreloadScanner final {};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_PARSER_HTML_PRELOAD_SCANNER_H_