Add metadata to GIFTI XML tree.

gifti_xml_add_global_metadata(xmltree, metadata_named_list, as_cdata = TRUE)

Arguments

xmltree	XML tree from xml2
metadata_named_list	named list, the metadata entries
as_cdata	logical, whether to wrap the value in cdata tags

Value

the modified tree.

Note

Assumes that there already exists a global MetaData node. Also not that this is not supposed to be used for adding metadata to datarrays.

Examples

  xmltree = gifti_xml(list(rep(3.1, 3L), matrix(seq(6)+0.1, nrow=2L)));
  newtree = gifti_xml_add_global_metadata(xmltree, list("User"="Me", "Weather"="Great"));
  gifti_xsd = "https://www.nitrc.org/frs/download.php/158/gifti.xsd";
  xml2::xml_validate(newtree, xml2::read_xml(gifti_xsd));
#> [1] TRUE
#> attr(,"errors")
#> character(0)