0031353: TDocStd_Application does not have api to set progress indicator

[occt.git] / src / PCDM / PCDM.cxx

diff --git a/src/PCDM/PCDM.cxx b/src/PCDM/PCDM.cxx
old mode 100755 (executable)
new mode 100644 (file)
index dd82d71..01f9d8e
--- a/src/PCDM/PCDM.cxx
+++ b/src/PCDM/PCDM.cxx
@@ -1,75 +1,44 @@
-// File:       PCDM.cxx
-// Created:    Wed Nov  5 11:53:15 1997
-// Author:     Jean-Louis Frenkel
-//             <rmi@frilox.paris1.matra-dtv.fr>
+// Created on: 1997-11-05
+// Created by: Jean-Louis Frenkel
+// Copyright (c) 1997-1999 Matra Datavision
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
 
 
-#include <PCDM.ixx>
+#include <CDM_Application.hxx>
+#include <CDM_Document.hxx>
+#include <FSD_BinaryFile.hxx>
+#include <FSD_CmpFile.hxx>
+#include <FSD_File.hxx>
+#include <PCDM.hxx>
+#include <PCDM_StorageDriver.hxx>
 #include <Plugin.hxx>
-#include <Standard_SStream.hxx>
-#include <Standard_NoSuchObject.hxx>
 #include <Resource_Manager.hxx>
 #include <Standard_GUID.hxx>
+#include <Standard_NoSuchObject.hxx>
+#include <Standard_SStream.hxx>
+#include <Storage_Schema.hxx>
+#include <TCollection_AsciiString.hxx>
+#include <TCollection_ExtendedString.hxx>
 #include <UTL.hxx>
-#include <FSD_CmpFile.hxx>
-#include <FSD_File.hxx>
-#include <FSD_BinaryFile.hxx>
-
-//=======================================================================
-//function : StorageDriver
-//purpose  : gets   in the  EuclidDesktop   resource  the plugin
-//           identifier of the driver plugs the driver.
-//=======================================================================
-
-Handle(PCDM_StorageDriver) PCDM::StorageDriver(const Handle(CDM_Document)& aDocument) {
-  
-  if(!PCDM::FindStorageDriver(aDocument)) {    
-    Standard_SStream aMsg; aMsg << "could not find the storage driver plugin resource for the format: " << aDocument->StorageFormat()<<(char) 0;
-    Standard_NoSuchObject::Raise(aMsg);
-  }  
-  //return Handle(PCDM_StorageDriver)::DownCast(Plugin::Load(aDocument->StoragePlugin()));
-  Handle(PCDM_StorageDriver) DRIVER = 
-    Handle(PCDM_StorageDriver)::DownCast(Plugin::Load(aDocument->StoragePlugin()));
-  if (!DRIVER.IsNull()) DRIVER->SetFormat(aDocument->StorageFormat());
-  return DRIVER;
-}
-
-//=======================================================================
-//function : FindStorageDriver
-//purpose  : 
-//=======================================================================
-
-Standard_Boolean PCDM::FindStorageDriver(const Handle(CDM_Document)& aDocument) {
-  
-  return aDocument->FindStoragePlugin();
-}
-
-//=======================================================================
-//function : Schema
-//purpose  : returns a schema to be used during a Store or Retrieve
-//           operation.
-//           Schema will plug the schema defined by
-//           the SchemaName method.
-//=======================================================================
-
-Handle(Storage_Schema) PCDM::Schema(const TCollection_ExtendedString& aSchemaName, const Handle(CDM_Application)& anApplication) {
-  
-  Handle(Resource_Manager) r = anApplication->Resources();
-  if(!UTL::Find(r,aSchemaName)) {
-    Standard_SStream aMsg; aMsg << "could not find the plugin resource for the schema: " << TCollection_ExtendedString(aSchemaName) << (char)0;
-    Standard_NoSuchObject::Raise(aMsg);
-  }
-  Handle(Standard_Transient) t = Plugin::Load(UTL::GUID(UTL::Value(r,aSchemaName)));
-  return *((Handle(Storage_Schema)*)&t);
-  
-}
 
 //=======================================================================
 //function : FileDriverType
 //purpose  : 
 //=======================================================================
 
-PCDM_TypeOfFileDriver PCDM::FileDriverType(const TCollection_AsciiString& aFileName, PCDM_BaseDriverPointer& aBaseDriver) {
+PCDM_TypeOfFileDriver PCDM::FileDriverType(const TCollection_AsciiString& aFileName, Handle(Storage_BaseDriver)& aBaseDriver)
+{
   if(FSD_CmpFile::IsGoodFileType(aFileName) == Storage_VSOk) {
     aBaseDriver=new FSD_CmpFile;
     return PCDM_TOFD_CmpFile;
@@ -87,3 +56,50 @@ PCDM_TypeOfFileDriver PCDM::FileDriverType(const TCollection_AsciiString& aFileN
     return PCDM_TOFD_Unknown;
   }
 }
+
+//=======================================================================
+//function : FileDriverType
+//purpose  : 
+//=======================================================================
+
+PCDM_TypeOfFileDriver PCDM::FileDriverType (Standard_IStream& theIStream, Handle(Storage_BaseDriver)& theBaseDriver)
+{
+  TCollection_AsciiString aReadMagicNumber;
+
+  // read magic number from the file
+  if (theIStream.good())
+  {
+    aReadMagicNumber = Storage_BaseDriver::ReadMagicNumber (theIStream);
+  }
+
+  if(aReadMagicNumber == FSD_CmpFile::MagicNumber())
+  {
+    theBaseDriver = new FSD_CmpFile;
+    return PCDM_TOFD_CmpFile;
+  }
+  else if (aReadMagicNumber == FSD_File::MagicNumber())
+  {
+    theBaseDriver = new FSD_File;
+    return PCDM_TOFD_File;
+  }
+  else if (aReadMagicNumber == FSD_BinaryFile::MagicNumber())
+  {
+    theBaseDriver = new FSD_BinaryFile;
+    return PCDM_TOFD_File;
+  }
+  else if (aReadMagicNumber.Search ("<?xml") != -1)
+  {
+    // skip xml declaration
+    char aChar = ' ';
+    while (theIStream.good() && !theIStream.eof() && aChar != '>')
+    {
+      theIStream.get(aChar);
+    }
+
+    return PCDM_TOFD_XmlFile;
+  }
+
+  theBaseDriver = NULL;
+  return PCDM_TOFD_Unknown;
+}
+