chromium/third_party/pdfium/core/fpdfdoc/cpdf_structtree.cpp

// Copyright 2017 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#include "core/fpdfdoc/cpdf_structtree.h"

#include <utility>

#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_number.h"
#include "core/fpdfapi/parser/cpdf_reference.h"
#include "core/fpdfdoc/cpdf_numbertree.h"
#include "core/fpdfdoc/cpdf_structelement.h"

namespace {

bool IsTagged(const CPDF_Document* pDoc) { … }

}  // namespace

// static
std::unique_ptr<CPDF_StructTree> CPDF_StructTree::LoadPage(
    const CPDF_Document* pDoc,
    RetainPtr<const CPDF_Dictionary> pPageDict) { … }

CPDF_StructTree::CPDF_StructTree(const CPDF_Document* pDoc)
    : … { … }

CPDF_StructTree::~CPDF_StructTree() = default;

ByteString CPDF_StructTree::GetRoleMapNameFor(const ByteString& type) const { … }

void CPDF_StructTree::LoadPageTree(RetainPtr<const CPDF_Dictionary> pPageDict) { … }

RetainPtr<CPDF_StructElement> CPDF_StructTree::AddPageNode(
    RetainPtr<const CPDF_Dictionary> pDict,
    StructElementMap* map,
    int nLevel) { … }

bool CPDF_StructTree::AddTopLevelNode(
    const CPDF_Dictionary* pDict,
    const RetainPtr<CPDF_StructElement>& pElement) { … }