Multiline config option values and Paraview vtu default output

Common/src/CConfig.cpp

@@ -2834,6 +2834,7 @@ void CConfig::SetConfig_Parsing(char case_filename[MAX_STRING_SIZE]) {
 
   int  err_count = 0;  // How many errors have we found in the config file
   int max_err_count = 30; // Maximum number of errors to print before stopping
+  int line_count = 1;
 
   map<string, bool> included_options;
 
@@ -2848,13 +2849,38 @@ void CConfig::SetConfig_Parsing(char case_filename[MAX_STRING_SIZE]) {
       throw(1);
     }
 
+     PrintingToolbox::trim(text_line);
+
+    /*--- Check if there is a line continuation character at the
+     * end of the current line or somewhere in between (the rest is ignored then).
+     * If yes, read until there is a line without one or an empty line.
+     * If there is a statement after a cont. char
+     * throw an error. ---*/
+
+     if (text_line.front() != '%'){
+       while (text_line.back() == '\\' ||
+              (PrintingToolbox::split(text_line, '\\').size() > 1)){
+         string tmp;
+         getline (config_buffer, tmp);
+         line_count++;
+         if (tmp.find_first_of('=') != string::npos){
+           errorString.append("Line " + to_string(line_count)  + ": Statement found after continuation character.\n");
+         }
+         PrintingToolbox::trim(tmp);
+         if (tmp.front() != '%'){
+           text_line = PrintingToolbox::split(text_line, '\\')[0];
+           text_line += " " + tmp;
+         }
+       }
+     }
+
     if (TokenizeString(text_line, option_name, option_value)) {
 
       /*--- See if it's a python option ---*/
 
       if (option_map.find(option_name) == option_map.end()) {
           string newString;
-          newString.append(option_name);
+          newString.append("Line " + to_string(line_count)  + " " + option_name);
           newString.append(": invalid option name");
           newString.append(". Check current SU2 options in config_template.cfg.");
           newString.append("\n");
@@ -2870,7 +2896,7 @@ void CConfig::SetConfig_Parsing(char case_filename[MAX_STRING_SIZE]) {
 
       if (included_options.find(option_name) != included_options.end()) {
         string newString;
-        newString.append(option_name);
+        newString.append("Line " + to_string(line_count)  + " " + option_name);
         newString.append(": option appears twice");
         newString.append("\n");
         errorString.append(newString);
@@ -2893,6 +2919,7 @@ void CConfig::SetConfig_Parsing(char case_filename[MAX_STRING_SIZE]) {
         err_count++;
       }
     }
+    line_count++;
   }
 
   /*--- See if there were any errors parsing the config file ---*/
@@ -3152,8 +3179,8 @@ void CConfig::SetPostprocessing(unsigned short val_software, unsigned short val_
     nVolumeOutputFiles = 3;
     VolumeOutputFiles = new unsigned short[nVolumeOutputFiles];
     VolumeOutputFiles[0] = RESTART_BINARY;
-    VolumeOutputFiles[1] = PARAVIEW_BINARY;
-    VolumeOutputFiles[2] = SURFACE_PARAVIEW_BINARY;
+    VolumeOutputFiles[1] = PARAVIEW_XML;
+    VolumeOutputFiles[2] = SURFACE_PARAVIEW_XML;
   }
 
   /*--- Check if SU2 was build with TecIO support, as that is required for Tecplot Binary output. ---*/

SU2_PY/SU2/io/config.py

@@ -340,10 +340,29 @@ def read_config(filename):
             break
 
         # remove line returns
-        line = line.strip('\r\n')
+        line = line.strip('\r\n').strip()
+
+        if (len(line) == 0):
+            continue
         # make sure it has useful data
-        if (not "=" in line) or (line[0] == '%'):
+        if (line[0] == '%'):
             continue
+
+        # --- Check if there is a line continuation character at the
+        # end of the current line or somewhere in between (the rest is ignored then).
+        # If yes, read until there is a line without one or an empty line.
+        # If there is a statement after a cont. char
+        # throw an error. ---*/
+
+        while(line[0].endswith('\\') or len(line.split('\\')) > 1):
+            tmp_line = input_file.readline()
+            tmp_line = tmp_line.strip()
+            assert len(tmp_line.split('=')) <= 1, ('Statement found after line '
+                                                   'continuation character in config file %s' % tmp_line)
+            if (not tmp_line.startswith('%')):
+                line = line.split('\\')[0]
+                line += ' ' + tmp_line
+
         # split across equals sign
         line = line.split("=",1)
         this_param = line[0].strip()