fpdfsdk/ differences with XFA (for didactic purposes only).

fpdfsdk/src/fpdf_ext.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_ext.h"
 
+#ifdef PDF_ENABLE_XFA
+#include "../include/fpdfxfa/fpdfxfa_doc.h"
+#endif
 #include "core/include/fxcrt/fx_xml.h"
 #include "fpdfsdk/include/fsdk_define.h"
 
 #define FPDFSDK_UNSUPPORT_CALL 100
 
 class CFSDK_UnsupportInfo_Adapter {
  public:
   CFSDK_UnsupportInfo_Adapter(UNSUPPORT_INFO* unsp_info) {
     m_unsp_info = unsp_info;
   }
@@ skipping 148 matching lines @@
         }
       }
     }
   }
 
   // SharedForm
   CPDF_Metadata metaData(pDoc);
   const CXML_Element* pElement = metaData.GetRoot();
   if (pElement)
     CheckSharedForm(pElement, "workflowType");
+#ifndef PDF_ENABLE_XFA
 
   // XFA Forms
   CPDF_InterForm* pInterForm = new CPDF_InterForm(pDoc, FALSE);
   if (pInterForm->HasXFAForm()) {
     FPDF_UnSupportError(FPDF_UNSP_DOC_XFAFORM);
   }
   delete pInterForm;
+#endif
 }
 
 DLLEXPORT int FPDFDoc_GetPageMode(FPDF_DOCUMENT document) {
   CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
   if (!pDoc)
     return PAGEMODE_UNKNOWN;
 
   CPDF_Dictionary* pRoot = pDoc->GetRoot();
   if (!pRoot)
     return PAGEMODE_UNKNOWN;
@@ skipping 11 matching lines @@
     return PAGEMODE_USETHUMBS;
   if (strPageMode.EqualNoCase("FullScreen"))
     return PAGEMODE_FULLSCREEN;
   if (strPageMode.EqualNoCase("UseOC"))
     return PAGEMODE_USEOC;
   if (strPageMode.EqualNoCase("UseAttachments"))
     return PAGEMODE_USEATTACHMENTS;
 
   return PAGEMODE_UNKNOWN;
 }