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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 
     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 
     83   bool HasFlag(uint32_t dwFlag) { return (m_dwDocFlags & dwFlag) == dwFlag; }
     84   void SetFlag(uint32_t dwFlag, bool bOn);
     85 
     86   bool IsInteractive();
     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