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#' ISOAnchor
#'
#' @docType class
#' @importFrom R6 R6Class
#' @export
#' @keywords ISO anchor
#' @return Object of \code{\link{R6Class}} for modelling an ISO Anchor
#' @format \code{\link{R6Class}} object.
#'
#' @examples
#' md <- ISOAnchor$new(name = "some entity name", href = "someentityuri")
#' xml <- md$encode()
#'
#' @references
#' ISO/TS 19139:2007 Geographic information -- XML
#'
#' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com>
#'
ISOAnchor <- R6Class("ISOAnchor",
inherit = ISOAbstractObject,
private = list(
xmlElement = "Anchor",
xmlNamespacePrefix = "GMX"
),
public = list(
#'@description Initializes object
#'@param xml object of class \link{XMLInternalNode-class}
#'@param name name
#'@param ... attributes for XML encoding
initialize = function(xml = NULL, name = NULL, ...){
super$initialize(xml = xml)
if(!is.null(name)){
simpleAttrs <- list(...)
xlinkAttrs <- c("href","role","arcrole","title","show","actuate")
assert.xlinkAttr <- names(simpleAttrs) %in% xlinkAttrs
if(length(which(!assert.xlinkAttr))>0){
stop(sprintf("Attributes [%s] are not xlink attributes!",
paste(names(simpleAttrs)[which(!assert.xlinkAttr)], collapse=",")))
}
names(simpleAttrs) <- paste("xlink", names(simpleAttrs), sep=":")
self$attrs <- simpleAttrs
self$value <- name
}
}
)
)
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