XFA: add CPDFDocumentToFPDFDocument()

fpdfsdk/src/fpdfxfa/fpdfxfa_doc.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../../public/fpdf_formfill.h"
 #include "../../include/fsdk_define.h"
 #include "../../include/fpdfxfa/fpdfxfa_doc.h"
 #include "../../include/fsdk_mgr.h"
@@ skipping 17 matching lines @@
 #define FXFA_PDF 0x10000000
 
 #ifndef _WIN32
 extern void SetLastError(int err);
 
 extern int GetLastError();
 #endif
 
 CPDFXFA_Document::CPDFXFA_Document(CPDF_Document* pPDFDoc,
                                    CPDFXFA_App* pProvider)
-    : m_pPDFDoc(pPDFDoc),
+    : m_iDocType(DOCTYPE_PDF),
+      m_pPDFDoc(pPDFDoc),
+      m_pSDKDoc(nullptr),
+      m_pXFADoc(nullptr),
+      m_pXFADocView(nullptr),
       m_pApp(pProvider),
-      m_pXFADoc(NULL),
-      m_pXFADocView(NULL),
-      m_iDocType(DOCTYPE_PDF),
-      m_pJSContext(NULL),
-      m_pSDKDoc(NULL) {
-  m_XFAPageList.RemoveAll();
+      m_pJSContext(nullptr) {
 }
 
 CPDFXFA_Document::~CPDFXFA_Document() {
   if (m_pPDFDoc) {
     CPDF_Parser* pParser = (CPDF_Parser*)m_pPDFDoc->GetParser();
     if (pParser == NULL) {
       delete m_pPDFDoc;
     } else {
       delete pParser;
     }
@@ skipping 429 matching lines @@
 
   CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
   if (pEnv == NULL)
     return FALSE;
 
   return pEnv->FFI_PopupMenu(pPage, hWidget, menuFlag, ptPopup, NULL);
 }
 
 void CPDFXFA_Document::PageViewEvent(IXFA_PageView* pPageView,
                                      FX_DWORD dwFlags) {
-  if (m_iDocType != DOCTYPE_DYNIMIC_XFA)
-    return;
-
-  CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
-  if (pEnv == NULL)
-    return;
-
-  CPDFXFA_Page* pPage = GetPage(pPageView);
-  if (pPage == NULL)
-    return;
-
-  if (dwFlags == FXFA_PAGEVIEWEVENT_POSTADDED) {
-    // pEnv->FFI_PageEvent(pPage, FXFA_PAGEVIEWEVENT_POSTADDED);
-  } else if (dwFlags == FXFA_PAGEVIEWEVENT_POSTREMOVED) {
-    // pEnv->FFI_PageEvent(pPage, FXFA_PAGEVIEWEVENT_POSTREMOVED);
-    // RemovePage(pPage);
-    // delete pPage;
-  }
 }
 
 void CPDFXFA_Document::WidgetEvent(IXFA_Widget* hWidget,
                                    CXFA_WidgetAcc* pWidgetData,
                                    FX_DWORD dwEvent,
                                    void* pParam,
                                    void* pAdditional) {
-  if (m_iDocType != DOCTYPE_DYNIMIC_XFA || NULL == hWidget)
+  if (m_iDocType != DOCTYPE_DYNIMIC_XFA || !hWidget)
     return;
 
   CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
-  if (pEnv == NULL)
-    return;
-
-  if (NULL == hWidget)
+  if (!pEnv)
     return;
 
   IXFA_PageView* pPageView =
       m_pXFADocView->GetWidgetHandler()->GetPageView(hWidget);
-
   if (pPageView == NULL)
     return;
+
   CPDFXFA_Page* pXFAPage = GetPage(pPageView);
   if (pXFAPage == NULL)
     return;
 
   CPDFSDK_PageView* pSdkPageView = m_pSDKDoc->GetPageView(pXFAPage);
-
-  CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
-
   if (dwEvent == XFA_WIDGETEVENT_PostAdded) {
-    //                  CPDFSDK_Annot* pAnnot =
-    // pAnnotHandlerMgr->NewAnnot(hWidget,
-    // pSdkPageView);
-    //                  pAnnotHandlerMgr->Annot_OnLoad(pAnnot);
-
-    // pEnv->FFI_WidgetEvent(hWidget, XFA_WIDGETEVENT_PostAdded);
-    //          IXFA_PageView* pOldPageView = (IXFA_PageView*)pAdditional;
-    //          if (pOldPageView)
-    //          {
-    //                  CPDFXFA_Page* pDestPage =
-    // m_pSDKDoc->GetPageView((IXFA_PageView*)pOldPageView);
-    //                  ASSERT(pDestPage);
-    //                  CPDFSDK_Annot* pAnnot =
-    // pDestPage->GetAnnotByXFAWidget(hWidget);
-    //                  if (pAnnot)
-    //                  {
-    //                          if (m_pSDKDoc->GetFocusAnnot() == pAnnot)
-    //                          {
-    //                                  m_pSDKDoc->SetFocusAnnot(NULL);
-    //                          }
-    //                          pDestPage->DeleteAnnot(pAnnot);
-    //                  }
-    //          }
     pSdkPageView->AddAnnot(hWidget);
 
   } else if (dwEvent == XFA_WIDGETEVENT_PreRemoved) {
     CPDFSDK_Annot* pAnnot = pSdkPageView->GetAnnotByXFAWidget(hWidget);
     if (pAnnot) {
       pSdkPageView->DeleteAnnot(pAnnot);
-      // pEnv->FFI_WidgetEvent(hWidget, XFA_WIDGETEVENT_PreRemoved);
     }
   }
 }
 
 int32_t CPDFXFA_Document::CountPages(IXFA_Doc* hDoc) {
   if (hDoc == m_pXFADoc && m_pSDKDoc) {
     return GetPageCount();
   }
   return 0;
 }
@@ skipping 95 matching lines @@
   CFPDF_FileStream fileWrite(pFileHandler);
 
   IXFA_DocHandler* pXFADocHander = m_pApp->GetXFAApp()->GetDocHandler();
   CFX_ByteString content;
   if (fileType == FXFA_SAVEAS_XML) {
     content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n";
     fileWrite.WriteBlock((const FX_CHAR*)content, fileWrite.GetSize(),
                          content.GetLength());
     CFX_WideStringC data(L"data");
     if (pXFADocHander->SavePackage(m_pXFADocView->GetDoc(), data, &fileWrite)) {
-      NULL;
+      // TODO: Maybe report error.
     }
-  }
-  /*else if (fileType == FXFA_FILE_STATIC_XDP)
-  {
-          content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n";
-          fileWrite.WriteBlock((const FX_CHAR*)content, fileWrite.GetSize(),
-content.GetLength());
-          CFX_WideStringC data(L"data");
-          if( pXFADocHander->SavePackage(m_pXFADocView->GetDoc(), data,
-&fileWrite))
-          {
-                  NULL;
-          }
-          CFX_WideString wPath = pEnv->FFI_GetFilePath(pFileHandler);
-//              CFX_WideString wPath;
-//              wPath.FromUTF16LE(filePath);
-          CFX_ByteString bPath = wPath.UTF8Encode();
-          CFX_ByteString szFormat = "\n<pdf href=\"%s\"
-xmlns=\"http://ns.adobe.com/xdp/pdf/\"/>";
-          content.Format(szFormat,(char*)(const FX_CHAR*)bPath);
-          fileWrite.WriteBlock((const FX_CHAR*)content,fileWrite.GetSize(),
-content.GetLength());
-  }
-  */
-  else if (fileType == FXFA_SAVEAS_XDP) {
+  } else if (fileType == FXFA_SAVEAS_XDP) {
     if (m_pPDFDoc == NULL)
       return;
     CPDF_Dictionary* pRoot = m_pPDFDoc->GetRoot();
     if (pRoot == NULL)
       return;
     CPDF_Dictionary* pAcroForm = pRoot->GetDict("AcroForm");
     if (NULL == pAcroForm)
       return;
     CPDF_Object* pXFA = pAcroForm->GetElement("XFA");
     if (pXFA == NULL)
       return;
     if (pXFA->GetType() != PDFOBJ_ARRAY)
       return;
     CPDF_Array* pArray = pXFA->GetArray();
     if (NULL == pArray)
       return;
     int size = pArray->GetCount();
-    int iFormIndex = -1;
-    int iDataSetsIndex = -1;
     for (int i = 1; i < size; i += 2) {
       CPDF_Object* pPDFObj = pArray->GetElement(i);
       CPDF_Object* pPrePDFObj = pArray->GetElement(i - 1);
       if (pPrePDFObj->GetType() != PDFOBJ_STRING)
         continue;
       if (pPDFObj->GetType() != PDFOBJ_REFERENCE)
         continue;
       CPDF_Object* pDirectObj = pPDFObj->GetDirect();
       if (pDirectObj->GetType() != PDFOBJ_STREAM)
         continue;
       if (pPrePDFObj->GetString() == "form") {
         CFX_WideStringC form(L"form");
         pXFADocHander->SavePackage(m_pXFADocView->GetDoc(), form, &fileWrite);
       } else if (pPrePDFObj->GetString() == "datasets") {
         CFX_WideStringC datasets(L"datasets");
         pXFADocHander->SavePackage(m_pXFADocView->GetDoc(), datasets,
                                    &fileWrite);
       } else {
         if (i == size - 1) {
-          // CFX_WideString wPath = pEnv->FFI_GetFilePath(pFileHandler);
           CFX_WideString wPath = CFX_WideString::FromUTF16LE(
               (unsigned short*)(const FX_CHAR*)bs,
               bs.GetLength() / sizeof(unsigned short));
           CFX_ByteString bPath = wPath.UTF8Encode();
           CFX_ByteString szFormat =
               "\n<pdf href=\"%s\" xmlns=\"http://ns.adobe.com/xdp/pdf/\"/>";
           content.Format(szFormat, (char*)(const FX_CHAR*)bPath);
           fileWrite.WriteBlock((const FX_CHAR*)content, fileWrite.GetSize(),
                                content.GetLength());
         }
 
         CPDF_Stream* pStream = (CPDF_Stream*)pDirectObj;
         CPDF_StreamAcc* pAcc = new CPDF_StreamAcc;
         pAcc->LoadAllData(pStream);
         fileWrite.WriteBlock(pAcc->GetData(), fileWrite.GetSize(),
                              pAcc->GetSize());
         delete pAcc;
       }
     }
   }
-  FX_BOOL bError = fileWrite.Flush();
+  if (!fileWrite.Flush()) {
+    // TODO: Report error.
+  }
 }
 void CPDFXFA_Document::ImportData(IXFA_Doc* hDoc,
                                   const CFX_WideStringC& wsFilePath) {
   // TODO...
 }
 
 void CPDFXFA_Document::GotoURL(IXFA_Doc* hDoc,
                                const CFX_WideStringC& bsURL,
                                FX_BOOL bAppend) {
   if (hDoc != m_pXFADoc)
@@ skipping 259 matching lines @@
     if (pXFA->GetType() != PDFOBJ_ARRAY) {
       fileStream.Flush();
       return FALSE;
     }
     CPDF_Array* pArray = pXFA->GetArray();
     if (NULL == pArray) {
       fileStream.Flush();
       return FALSE;
     }
     int size = pArray->GetCount();
-    int iFormIndex = -1;
-    int iDataSetsIndex = -1;
     for (int i = 1; i < size; i += 2) {
       CPDF_Object* pPDFObj = pArray->GetElement(i);
       CPDF_Object* pPrePDFObj = pArray->GetElement(i - 1);
       if (pPrePDFObj->GetType() != PDFOBJ_STRING)
         continue;
       if (pPDFObj->GetType() != PDFOBJ_REFERENCE)
         continue;
       CPDF_Object* pDirectObj = pPDFObj->GetDirect();
       if (pDirectObj->GetType() != PDFOBJ_STREAM)
         continue;
@@ skipping 276 matching lines @@
   }
 
   return _GetHValueByName(szPropName, hValue,
                           m_pSDKDoc->GetEnv()->GetJSRuntime());
 }
 FX_BOOL CPDFXFA_Document::_GetHValueByName(const CFX_ByteStringC& utf8Name,
                                            FXJSE_HVALUE hValue,
                                            IJS_Runtime* runTime) {
   return runTime->GetHValueByName(utf8Name, hValue);
 }