File exceptions replaced with ios exception.

src/TNL/Exceptions/FileCloseError.h

-/***************************************************************************
-                          FileCloseError.h  -  description
-                             -------------------
-    begin                : Mar 5, 2019
-    copyright            : (C) 2019 by Tomas Oberhuber et al.
-    email                : tomas.oberhuber@fjfi.cvut.cz
- ***************************************************************************/
-
-/* See Copyright Notice in tnl/Copyright */
-
-// Implemented by: Tomas Oberhuber
-
-#pragma once
-
-#include <string>
-#include <stdexcept>
-#include <TNL/String.h>
-
-namespace TNL {
-namespace Exceptions {
-
-class FileCloseError
-   : public std::runtime_error
-{
-public:
-   FileCloseError( const String& fileName )
-   : std::runtime_error( "An error occurred when closing file " + fileName + "." )
-   {}
-};
-
-} // namespace Exceptions
-} // namespace TNL

src/TNL/Exceptions/FileOpenError.h

-/***************************************************************************
-                          FileOpenError.h  -  description
-                             -------------------
-    begin                : Mar 5, 2019
-    copyright            : (C) 2019 by Tomas Oberhuber et al.
-    email                : tomas.oberhuber@fjfi.cvut.cz
- ***************************************************************************/
-
-/* See Copyright Notice in tnl/Copyright */
-
-// Implemented by: Tomas Oberhuber
-
-#pragma once
-
-#include <string>
-#include <stdexcept>
-#include <TNL/String.h>
-
-namespace TNL {
-namespace Exceptions {
-
-class FileOpenError
-   : public std::runtime_error
-{
-public:
-   FileOpenError( const String& fileName )
-   : std::runtime_error( "Unable to open file " + fileName + "." )
-   {}
-};
-
-} // namespace Exceptions
-} // namespace TNL

src/TNL/File.hpp

@@ -12,6 +12,8 @@
 
 #include <memory>
 #include <iostream>
+#include <ios>
+#include <sstream>
 
 #include <TNL/File.h>
 #include <TNL/Assert.h>
@@ -19,8 +21,6 @@
 #include <TNL/Exceptions/MICSupportMissing.h>
 #include <TNL/Exceptions/FileSerializationError.h>
 #include <TNL/Exceptions/FileDeserializationError.h>
-#include <TNL/Exceptions/FileOpenError.h>
-#include <TNL/Exceptions/FileCloseError.h>
 
 namespace TNL {
 
@@ -45,9 +45,16 @@ inline void File::open( const String& fileName, Mode mode )
    {
       file.open( fileName.getString(), ios_mode );
    }
-   catch(...)
+   catch( std::ios_base::failure )
    {
-      throw Exceptions::FileOpenError( fileName );
+      std::stringstream msg;
+      msg <<  "Unable to open file " << fileName << " ";
+      if( mode & Mode::In )
+         msg << " for reading.";
+      if( mode & Mode::Out )
+         msg << " for writting.";
+
+      throw std::ios_base::failure( msg.str() );
    }
 
    this->fileName = fileName;
@@ -61,9 +68,12 @@ inline void File::close()
       {
          file.close();
       }
-      catch(...)
+      catch( std::ios_base::failure )
       {
-         throw Exceptions::FileCloseError( fileName );
+         std::stringstream msg;
+         msg <<  "Unable to close file " << fileName << ".";
+
+         throw std::ios_base::failure( msg.str() );
       }
    }
    // reset file name