Method populateItem

ThirdParty/xdmf3/vtkxdmf3/core/XdmfArray.cpp:1034–1286

}

void
XdmfArray::populateItem(const std::map<std::string, std::string> & itemProperties,
                        const std::vector<shared_ptr<XdmfItem> > & childItems,
                        const XdmfCoreReader * const reader)
{
  // This inserts any XdmfInformation in childItems into the object.
  XdmfItem::populateItem(itemProperties, childItems, reader);

  bool filled = false;

  // Check for Function
  std::map<std::string, std::string>::const_iterator itemType =
    itemProperties.find("ItemType");

  if (itemType !=  itemProperties.end()) {
    if (itemType->second.compare("Function") == 0) {
      std::map<std::string, std::string>::const_iterator expressionLocation =
        itemProperties.find("Function");
      if (expressionLocation ==  itemProperties.end()) {
        XdmfError::message(XdmfError::FATAL,
                           "'Function' not found in itemProperties for Function"
                           " ItemType in XdmfArray::populateItem");
      }
      std::string expression = expressionLocation->second;

      // Convert from old format to new Variable format
      // $X -> ValX
      size_t loc = expression.find("$");

      while (loc != std::string::npos) {
        expression.replace(loc, 1, "Val");
        loc = expression.find("$", loc);
     }

      // Create Variable list

      std::map<std::string, shared_ptr<XdmfArray> > variableMap;

      unsigned int variableIndex = 0;
      for(std::vector<shared_ptr<XdmfItem> >::const_iterator iter =
            childItems.begin();
          iter != childItems.end();
          ++iter) {
        if(shared_ptr<XdmfArray> array = shared_dynamic_cast<XdmfArray>(*iter)) {
          std::stringstream variableKey;
          variableKey << "Val" << variableIndex;
          variableMap[variableKey.str()] = array;
          variableIndex++;
        }
      }

      shared_ptr<XdmfFunction> function = XdmfFunction::New(expression, variableMap);

      this->setReference(function);
      this->setReadMode(XdmfArray::Reference);
      filled = true;
    }
    else if (itemType->second.compare("HyperSlab") == 0) {