chromium/third_party/blink/renderer/core/lcp_critical_path_predictor/element_locator.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LCP_CRITICAL_PATH_PREDICTOR_ELEMENT_LOCATOR_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LCP_CRITICAL_PATH_PREDICTOR_ELEMENT_LOCATOR_H_

#include <optional>

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/lcp_critical_path_predictor/element_locator.pb.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string_hash.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

class Element;
class HTMLToken;

namespace element_locator {

// Attempt to generate an `ElementLocator` that specifies the relative position
// of the `element` within its document.
CORE_EXPORT ElementLocator OfElement(const Element& element);

// Generate a string representation of the given `ElementLocator`.
// Intended for testing and debugging purposes.
// Note: Since we are using the MessageLite runtime, TextFormat is not
//       available, so we need something on our own.
CORE_EXPORT String ToStringForTesting(const ElementLocator&);

// An item of `stack of open elements`
// https://html.spec.whatwg.org/multipage/parsing.html#stack-of-open-elements
struct HTMLStackItem { … };

class CORE_EXPORT TokenStreamMatcher { … };

}  // namespace element_locator

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LCP_CRITICAL_PATH_PREDICTOR_ELEMENT_LOCATOR_H_