1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "core/fpdfdoc/cpdf_bookmark.h" 8 9 #include <memory> 10 #include <vector> 11 12 #include "core/fpdfapi/parser/cpdf_array.h" 13 #include "core/fpdfapi/parser/cpdf_dictionary.h" 14 #include "core/fpdfapi/parser/cpdf_string.h" 15 #include "core/fpdfdoc/cpdf_nametree.h" 16 #include "core/fxcrt/fx_memory_wrappers.h" 17 #include "core/fxge/fx_dib.h" 18 19 CPDF_Bookmark::CPDF_Bookmark() = default; 20 21 CPDF_Bookmark::CPDF_Bookmark(const CPDF_Bookmark& that) = default; 22 CPDF_Bookmark(const CPDF_Dictionary * pDict)23CPDF_Bookmark::CPDF_Bookmark(const CPDF_Dictionary* pDict) : m_pDict(pDict) {} 24 25 CPDF_Bookmark::~CPDF_Bookmark() = default; 26 GetTitle() const27WideString CPDF_Bookmark::GetTitle() const { 28 if (!m_pDict) 29 return WideString(); 30 31 const CPDF_String* pString = ToString(m_pDict->GetDirectObjectFor("Title")); 32 if (!pString) 33 return WideString(); 34 35 WideString title = pString->GetUnicodeText(); 36 int len = title.GetLength(); 37 if (!len) 38 return WideString(); 39 40 std::vector<wchar_t, FxAllocAllocator<wchar_t>> buf(len); 41 for (int i = 0; i < len; i++) { 42 wchar_t w = title[i]; 43 buf[i] = w > 0x20 ? w : 0x20; 44 } 45 return WideString(buf.data(), len); 46 } 47 GetDest(CPDF_Document * pDocument) const48CPDF_Dest CPDF_Bookmark::GetDest(CPDF_Document* pDocument) const { 49 if (!m_pDict) 50 return CPDF_Dest(); 51 52 const CPDF_Object* pDest = m_pDict->GetDirectObjectFor("Dest"); 53 if (!pDest) 54 return CPDF_Dest(); 55 if (pDest->IsString() || pDest->IsName()) { 56 CPDF_NameTree name_tree(pDocument, "Dests"); 57 return CPDF_Dest( 58 name_tree.LookupNamedDest(pDocument, pDest->GetUnicodeText())); 59 } 60 if (const CPDF_Array* pArray = pDest->AsArray()) 61 return CPDF_Dest(pArray); 62 return CPDF_Dest(); 63 } 64 GetAction() const65CPDF_Action CPDF_Bookmark::GetAction() const { 66 return CPDF_Action(m_pDict ? m_pDict->GetDictFor("A") : nullptr); 67 } 68