" <component-icone>"class_name".png</component-icone>\n"\
" <component-impltype>1</component-impltype>\n"\
" <component-interface-list>" >> catalog_file
" <component-icone>"class_name".png</component-icone>\n"\
" <component-impltype>1</component-impltype>\n"\
" <component-interface-list>" >> catalog_file