Back to not being able to load non-valid UTF-8 files. The replace-process was extremely slow on medium sized files.

src/source.cc

@@ -52,7 +52,7 @@ Source::View::View(const boost::filesystem::path &file_path): file_path(file_pat
   set_smart_home_end(Gsv::SMART_HOME_END_BEFORE);
   get_source_buffer()->begin_not_undoable_action();
   if(juci::filesystem::read(file_path, get_buffer())==-1)
-    Singleton::terminal()->print("Warning: "+file_path.string()+" is not a valid UTF-8 file. Saving might corrupt the file.\n", true);
+    Singleton::terminal()->print("Error: "+file_path.string()+" is not a valid UTF-8 file.");
   get_source_buffer()->end_not_undoable_action();
   get_buffer()->place_cursor(get_buffer()->get_iter_at_offset(0)); 
   search_settings = gtk_source_search_settings_new();

src/sourcefile.cc

@@ -25,16 +25,20 @@ int juci::filesystem::read(const std::string &path, Glib::RefPtr<Gtk::TextBuffer
     Glib::ustring ustr=std::move(ss.str());
     
     bool valid=true;
-    Glib::ustring::iterator iter;
+    //This was way too slow...
+    /*Glib::ustring::iterator iter;
     while(!ustr.validate(iter)) {
       auto next_char_iter=iter;
       next_char_iter++;
       ustr.replace(iter, next_char_iter, "?");
       if(valid)
         valid=false;
-    }
+    }*/
     
-    text_buffer->insert_at_cursor(ustr);
+    if(ustr.validate())
+      text_buffer->insert_at_cursor(ustr);
+    else
+      valid=false;
     
     //TODO: maybe correct this, emphasis on maybe:
     /*std::vector<char> buffer(buffer_size);