43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
// Copyright 2016 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "core/fpdfdoc/cpdf_bookmarktree.h"
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#include <utility>
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#include "core/fpdfapi/parser/cpdf_dictionary.h"
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#include "core/fpdfapi/parser/cpdf_document.h"
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CPDF_BookmarkTree::CPDF_BookmarkTree(const CPDF_Document* doc)
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: document_(doc) {}
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CPDF_BookmarkTree::~CPDF_BookmarkTree() = default;
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CPDF_Bookmark CPDF_BookmarkTree::GetFirstChild(
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const CPDF_Bookmark& parent) const {
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const CPDF_Dictionary* parent_dict = parent.GetDict();
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if (parent_dict)
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return CPDF_Bookmark(parent_dict->GetDictFor("First"));
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const CPDF_Dictionary* root = document_->GetRoot();
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if (!root)
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return CPDF_Bookmark();
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RetainPtr<const CPDF_Dictionary> outlines = root->GetDictFor("Outlines");
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return outlines ? CPDF_Bookmark(outlines->GetDictFor("First"))
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: CPDF_Bookmark();
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}
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CPDF_Bookmark CPDF_BookmarkTree::GetNextSibling(
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const CPDF_Bookmark& bookmark) const {
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const CPDF_Dictionary* dict = bookmark.GetDict();
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if (!dict)
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return CPDF_Bookmark();
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RetainPtr<const CPDF_Dictionary> next = dict->GetDictFor("Next");
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return next != dict ? CPDF_Bookmark(std::move(next)) : CPDF_Bookmark();
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}
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