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      1 // Copyright 2014 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 <memory>
      8 #include <vector>
      9 
     10 #include "core/include/fpdfdoc/fpdf_doc.h"
     11 
     12 CPDF_Bookmark CPDF_BookmarkTree::GetFirstChild(
     13     const CPDF_Bookmark& parent) const {
     14   if (!parent.m_pDict) {
     15     CPDF_Dictionary* pRoot = m_pDocument->GetRoot()->GetDict("Outlines");
     16     if (!pRoot) {
     17       return CPDF_Bookmark();
     18     }
     19     return CPDF_Bookmark(pRoot->GetDict("First"));
     20   }
     21   return CPDF_Bookmark(parent.m_pDict->GetDict("First"));
     22 }
     23 CPDF_Bookmark CPDF_BookmarkTree::GetNextSibling(
     24     const CPDF_Bookmark& bookmark) const {
     25   if (!bookmark.m_pDict) {
     26     return CPDF_Bookmark();
     27   }
     28   CPDF_Dictionary* pNext = bookmark.m_pDict->GetDict("Next");
     29   return pNext == bookmark.m_pDict ? CPDF_Bookmark() : CPDF_Bookmark(pNext);
     30 }
     31 FX_DWORD CPDF_Bookmark::GetColorRef() const {
     32   if (!m_pDict) {
     33     return 0;
     34   }
     35   CPDF_Array* pColor = m_pDict->GetArray("C");
     36   if (!pColor) {
     37     return FXSYS_RGB(0, 0, 0);
     38   }
     39   int r = FXSYS_round(pColor->GetNumber(0) * 255);
     40   int g = FXSYS_round(pColor->GetNumber(1) * 255);
     41   int b = FXSYS_round(pColor->GetNumber(2) * 255);
     42   return FXSYS_RGB(r, g, b);
     43 }
     44 FX_DWORD CPDF_Bookmark::GetFontStyle() const {
     45   if (!m_pDict) {
     46     return 0;
     47   }
     48   return m_pDict->GetInteger("F");
     49 }
     50 CFX_WideString CPDF_Bookmark::GetTitle() const {
     51   if (!m_pDict) {
     52     return CFX_WideString();
     53   }
     54   CPDF_String* pString = ToString(m_pDict->GetElementValue("Title"));
     55   if (!pString)
     56     return CFX_WideString();
     57 
     58   CFX_WideString title = pString->GetUnicodeText();
     59   int len = title.GetLength();
     60   if (!len) {
     61     return CFX_WideString();
     62   }
     63   std::unique_ptr<FX_WCHAR[]> buf(new FX_WCHAR[len]);
     64   for (int i = 0; i < len; i++) {
     65     FX_WCHAR w = title[i];
     66     buf[i] = w > 0x20 ? w : 0x20;
     67   }
     68   return CFX_WideString(buf.get(), len);
     69 }
     70 CPDF_Dest CPDF_Bookmark::GetDest(CPDF_Document* pDocument) const {
     71   if (!m_pDict)
     72     return CPDF_Dest();
     73 
     74   CPDF_Object* pDest = m_pDict->GetElementValue("Dest");
     75   if (!pDest)
     76     return CPDF_Dest();
     77   if (pDest->IsString() || pDest->IsName()) {
     78     CPDF_NameTree name_tree(pDocument, "Dests");
     79     CFX_ByteStringC name = pDest->GetString();
     80     return CPDF_Dest(name_tree.LookupNamedDest(pDocument, name));
     81   }
     82   if (CPDF_Array* pArray = pDest->AsArray())
     83     return CPDF_Dest(pArray);
     84   return CPDF_Dest();
     85 }
     86 CPDF_Action CPDF_Bookmark::GetAction() const {
     87   if (!m_pDict) {
     88     return CPDF_Action();
     89   }
     90   return CPDF_Action(m_pDict->GetDict("A"));
     91 }
     92