chromium/third_party/pdfium/core/fpdfapi/parser/object_tree_traversal_util.cpp

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

#include "core/fpdfapi/parser/object_tree_traversal_util.h"

#include <stdint.h>

#include <map>
#include <queue>
#include <set>
#include <utility>
#include <vector>

#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfapi/parser/cpdf_reference.h"
#include "core/fpdfapi/parser/cpdf_stream.h"
#include "core/fxcrt/check.h"
#include "core/fxcrt/containers/contains.h"
#include "core/fxcrt/unowned_ptr.h"

namespace {

class ObjectTreeTraverser { … };

}  // namespace

std::set<uint32_t> GetObjectsWithReferences(const CPDF_Document* document) { … }

std::set<uint32_t> GetObjectsWithMultipleReferences(
    const CPDF_Document* document) { … }