Method LoadArgumentsFromXML

Utilities/MetaIO/vtkmetaio/metaCommand.cxx:2153–2221

Load arguments from XML file */

/** Load arguments from XML file */
bool
MetaCommand::LoadArgumentsFromXML(const char * filename, bool createMissingArguments)
{
#ifdef METAIO_USE_LIBXML2
  xmlDocPtr  doc;
  xmlNodePtr cur;
  doc = xmlParseFile(filename);

  if (doc == nullptr)
  {
    std::cerr << "Cannot parse XML file" << std::endl;
    return false;
  }

  cur = xmlDocGetRootElement(doc);

  if (cur == nullptr)
  {
    std::cerr << "XML document is empty" << std::endl;
    xmlFreeDoc(doc);
    return false;
  }
  if (xmlStrcmp(cur->name, (const xmlChar *)"MetaCommand"))
  {
    std::cerr << "document of the wrong type. Root node should be MetaCommand" << std::endl;
    xmlFreeDoc(doc);
    return false;
  }
  xmlCleanupParser();

  // Simple parsing (two levels hierarchy)
  cur = cur->children;
  while (cur)
  {
    xmlNodePtr child = cur->children;
    if (child)
    {
      xmlNodePtr subargument = child->next;
      while (subargument)
      {
        xmlNodePtr subargumentChild = subargument->children;
        if (subargumentChild && subargumentChild->content)
        {
          this->SetOptionValue((const char *)cur->name,
                               (const char *)subargument->name,
                               (const char *)subargumentChild->content,
                               createMissingArguments);
        }
        subargument = subargument->next;
      }

      if (child->content)
      {
        this->SetOptionValue(
          (const char *)cur->name, (const char *)cur->name, (const char *)child->content, createMissingArguments);
      }
    }
    cur = cur->next;