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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 #ifndef XFA_FXFA_PARSER_CXFA_DOCUMENT_H_
8 #define XFA_FXFA_PARSER_CXFA_DOCUMENT_H_
9 
10 #include <map>
11 #include <memory>
12 #include <set>
13 #include <vector>
14 
15 #include "xfa/fxfa/fxfa.h"
16 #include "xfa/fxfa/parser/cxfa_localemgr.h"
17 
18 enum XFA_VERSION {
19   XFA_VERSION_UNKNOWN = 0,
20   XFA_VERSION_200 = 200,
21   XFA_VERSION_202 = 202,
22   XFA_VERSION_204 = 204,
23   XFA_VERSION_205 = 205,
24   XFA_VERSION_206 = 206,
25   XFA_VERSION_207 = 207,
26   XFA_VERSION_208 = 208,
27   XFA_VERSION_300 = 300,
28   XFA_VERSION_301 = 301,
29   XFA_VERSION_303 = 303,
30   XFA_VERSION_306 = 306,
31   XFA_VERSION_DEFAULT = XFA_VERSION_303,
32   XFA_VERSION_MIN = 200,
33   XFA_VERSION_MAX = 400,
34 };
35 
36 enum XFA_DocFlag {
37   XFA_DOCFLAG_StrictScoping = 0x0001,
38   XFA_DOCFLAG_HasInteractive = 0x0002,
39   XFA_DOCFLAG_Interactive = 0x0004,
40   XFA_DOCFLAG_Scripting = 0x0008
41 };
42 
43 class CFX_XMLDoc;
44 class CFXJSE_Engine;
45 class CScript_DataWindow;
46 class CScript_EventPseudoModel;
47 class CScript_HostPseudoModel;
48 class CScript_LogPseudoModel;
49 class CScript_LayoutPseudoModel;
50 class CScript_SignaturePseudoModel;
51 class CXFA_ContainerLayoutItem;
52 class CXFA_DocumentParser;
53 class CXFA_FFNotify;
54 class CXFA_LayoutItem;
55 class CXFA_LayoutProcessor;
56 class CXFA_Node;
57 class CXFA_Object;
58 
59 class CXFA_Document {
60  public:
61   explicit CXFA_Document(CXFA_DocumentParser* pParser);
62   ~CXFA_Document();
63 
64   CFXJSE_Engine* InitScriptContext(v8::Isolate* pIsolate);
65 
GetRoot()66   CXFA_Node* GetRoot() const { return m_pRootNode; }
67 
68   CFX_XMLDoc* GetXMLDoc() const;
69   CXFA_FFNotify* GetNotify() const;
70   CXFA_LocaleMgr* GetLocalMgr();
71   CXFA_Object* GetXFAObject(XFA_HashCode wsNodeNameHash);
72   CXFA_Node* GetNodeByID(CXFA_Node* pRoot, const WideStringView& wsID);
73   CXFA_Node* GetNotBindNode(const std::vector<CXFA_Object*>& arrayNodes);
74   CXFA_LayoutProcessor* GetLayoutProcessor();
75   CXFA_LayoutProcessor* GetDocLayout();
76   CFXJSE_Engine* GetScriptContext();
77 
78   void SetRoot(CXFA_Node* pNewRoot);
79 
80   void AddPurgeNode(CXFA_Node* pNode);
81   bool RemovePurgeNode(CXFA_Node* pNode);
82 
HasFlag(uint32_t dwFlag)83   bool HasFlag(uint32_t dwFlag) { return (m_dwDocFlags & dwFlag) == dwFlag; }
84   void SetFlag(uint32_t dwFlag, bool bOn);
85 
86   bool IsInteractive();
GetCurVersionMode()87   XFA_VERSION GetCurVersionMode() { return m_eCurVersionMode; }
88   XFA_VERSION RecognizeXFAVersionNumber(const WideString& wsTemplateNS);
89 
90   CXFA_Node* CreateNode(XFA_PacketType packet, XFA_Element eElement);
91 
92   void DoProtoMerge();
93   void DoDataMerge();
94   void DoDataRemerge(bool bDoDataMerge);
95   CXFA_Node* DataMerge_CopyContainer(CXFA_Node* pTemplateNode,
96                                      CXFA_Node* pFormNode,
97                                      CXFA_Node* pDataScope,
98                                      bool bOneInstance,
99                                      bool bDataMerge,
100                                      bool bUpLevel);
101   void DataMerge_UpdateBindingRelations(CXFA_Node* pFormUpdateRoot);
102 
103   void ClearLayoutData();
104 
105   std::map<uint32_t, CXFA_Node*> m_rgGlobalBinding;
106   std::vector<CXFA_Node*> m_pPendingPageSet;
107 
108  private:
109   CXFA_DocumentParser* m_pParser;
110   CXFA_Node* m_pRootNode;
111   std::unique_ptr<CFXJSE_Engine> m_pScriptContext;
112   std::unique_ptr<CXFA_LayoutProcessor> m_pLayoutProcessor;
113   std::unique_ptr<CXFA_LocaleMgr> m_pLocalMgr;
114   std::unique_ptr<CScript_DataWindow> m_pScriptDataWindow;
115   std::unique_ptr<CScript_EventPseudoModel> m_pScriptEvent;
116   std::unique_ptr<CScript_HostPseudoModel> m_pScriptHost;
117   std::unique_ptr<CScript_LogPseudoModel> m_pScriptLog;
118   std::unique_ptr<CScript_LayoutPseudoModel> m_pScriptLayout;
119   std::unique_ptr<CScript_SignaturePseudoModel> m_pScriptSignature;
120   std::set<CXFA_Node*> m_PurgeNodes;
121   XFA_VERSION m_eCurVersionMode;
122   uint32_t m_dwDocFlags;
123 };
124 
125 #endif  // XFA_FXFA_PARSER_CXFA_DOCUMENT_H_
126