// 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(CPDF_Bookmark* parent) const { const CPDF_Dictionary* pParentDict = parent->GetDict(); if (pParentDict) return CPDF_Bookmark(pParentDict->GetDictFor("First")); CPDF_Dictionary* pRoot = m_pDocument->GetRoot(); if (!pRoot) return CPDF_Bookmark(); CPDF_Dictionary* pOutlines = pRoot->GetDictFor("Outlines"); return pOutlines ? CPDF_Bookmark(pOutlines->GetDictFor("First")) : CPDF_Bookmark(); } CPDF_Bookmark CPDF_BookmarkTree::GetNextSibling(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); }