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#' ISOUnlimitedInteger
#'
#' @docType class
#' @importFrom R6 R6Class
#' @export
#' @keywords ISO unlimited integer
#' @return Object of \code{\link{R6Class}} for modelling an ISO UnlimitedInteger
#' @format \code{\link{R6Class}} object.
#'
#' @note Class used by geometa internal XML decoder/encoder
#'
#' @references
#' ISO/TS 19103:2005 Geographic information -- Conceptual schema language
#'
#' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com>
#'
ISOUnlimitedInteger <- R6Class("ISOUnlimitedInteger",
inherit = ISOAbstractObject,
private = list(
xmlElement = "UnlimitedInteger",
xmlNamespacePrefix = "GCO"
),
public = list(
#'@field value value
value = NA,
#'@field attrs attrs
attrs = list(),
#'@description Initialize object
#'@param xml object of class \link{XMLInternalNode-class}
#'@param value value
initialize = function(xml = NULL, value){
super$initialize(xml = xml)
if(is.null(xml)){
if(!is(value, "integer") & !is.infinite(value)){
value <- as.integer(value)
}
self$value = value
self$attrs[["isInfinite"]] <- tolower(as.character(is.infinite(value)))
if(is.infinite(value)){
self$value <- NULL
self$attrs[["xsi:nil"]] <- "true"
}
}else{
isInf <- xmlGetAttr(xml, "isInfinite")
self$attrs[["isInfinite"]] <- isInf
if(as.logical(isInf)==TRUE){
self$value <- NULL
self$attrs[["xsi:nil"]] <- "true"
}else{
self$attrs[["xsi:nil"]] <- NULL
}
}
}
)
)
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