38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
// Copyright 2016 PDFium Authors. All rights reserved.
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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 "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(CPDF_Document* pDoc) : m_pDocument(pDoc) {}
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CPDF_BookmarkTree::~CPDF_BookmarkTree() = default;
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CPDF_Bookmark CPDF_BookmarkTree::GetFirstChild(CPDF_Bookmark* parent) const {
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const CPDF_Dictionary* pParentDict = parent->GetDict();
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if (pParentDict)
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return CPDF_Bookmark(pParentDict->GetDictFor("First"));
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CPDF_Dictionary* pRoot = m_pDocument->GetRoot();
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if (!pRoot)
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return CPDF_Bookmark();
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CPDF_Dictionary* pOutlines = pRoot->GetDictFor("Outlines");
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return pOutlines ? CPDF_Bookmark(pOutlines->GetDictFor("First"))
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: CPDF_Bookmark();
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}
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CPDF_Bookmark CPDF_BookmarkTree::GetNextSibling(CPDF_Bookmark* bookmark) const {
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const CPDF_Dictionary* pDict = bookmark->GetDict();
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if (!pDict)
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return CPDF_Bookmark();
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const CPDF_Dictionary* pNext = pDict->GetDictFor("Next");
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return pNext == pDict ? CPDF_Bookmark() : CPDF_Bookmark(pNext);
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}
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