Commit 1d1c39f8 authored by Jakub Klinkovský's avatar Jakub Klinkovský
Browse files

XMLVTK mesh readers: throw a meaningful error when the input file does not exist 

Before this change, the error was:

XMLVTK error: failed to parse the file as an XML document.
parent 0c166848

src/TNL/Meshes/Readers/XMLVTK.h

+7 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ 


#include <map>

#include <set>

#include <experimental/filesystem>



#include <TNL/Meshes/Readers/MeshReader.h>

#include <TNL/base64.h>
@@ -286,6 +287,12 @@ public: 
#ifdef HAVE_TINYXML2

      using namespace tinyxml2;



      namespace fs = std::experimental::filesystem;

      if( ! fs::exists( fileName ) )

         throw MeshReaderError( "XMLVTK", "file '" + fileName + "' does not exist" );

      if( fs::is_directory( fileName ) )

         throw MeshReaderError( "XMLVTK", "path '" + fileName + "' is a directory" );



      // load and verify XML

      tinyxml2::XMLError status = dom.LoadFile( fileName.c_str() );

      if( status != XML_SUCCESS )