| // Copyright 2016 PDFium Authors. All rights reserved. |
| // 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_bookmarktree.h" |
| |
| #include "core/fpdfapi/parser/cpdf_dictionary.h" |
| #include "core/fpdfapi/parser/cpdf_document.h" |
| |
| CPDF_BookmarkTree::CPDF_BookmarkTree(CPDF_Document* pDoc) : m_pDocument(pDoc) {} |
| |
| CPDF_BookmarkTree::~CPDF_BookmarkTree() = default; |
| |
| CPDF_Bookmark CPDF_BookmarkTree::GetFirstChild( |
| const CPDF_Bookmark& parent) const { |
| const CPDF_Dictionary* pParentDict = parent.GetDict(); |
| if (pParentDict) |
| return CPDF_Bookmark(pParentDict->GetDictFor("First")); |
| |
| const CPDF_Dictionary* pRoot = m_pDocument->GetRoot(); |
| if (!pRoot) |
| return CPDF_Bookmark(); |
| |
| const CPDF_Dictionary* pOutlines = pRoot->GetDictFor("Outlines"); |
| return pOutlines ? CPDF_Bookmark(pOutlines->GetDictFor("First")) |
| : CPDF_Bookmark(); |
| } |
| |
| CPDF_Bookmark CPDF_BookmarkTree::GetNextSibling( |
| const CPDF_Bookmark& bookmark) const { |
| const CPDF_Dictionary* pDict = bookmark.GetDict(); |
| if (!pDict) |
| return CPDF_Bookmark(); |
| |
| const CPDF_Dictionary* pNext = pDict->GetDictFor("Next"); |
| return pNext == pDict ? CPDF_Bookmark() : CPDF_Bookmark(pNext); |
| } |