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 
GetFirstChild(const CPDF_Bookmark & parent) const12 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 }
GetNextSibling(const CPDF_Bookmark & bookmark) const23 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 }
GetColorRef() const31 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 }
GetFontStyle() const44 FX_DWORD CPDF_Bookmark::GetFontStyle() const {
45   if (!m_pDict) {
46     return 0;
47   }
48   return m_pDict->GetInteger("F");
49 }
GetTitle() const50 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 }
GetDest(CPDF_Document * pDocument) const70 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 }
GetAction() const86 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