R/wrappers.R

In neuroconductor/oro.nifti: Rigorous - 'NIfTI' + 'ANALYZE' + 'AFNI' : Input / Output

##
##
## Copyright (c) 2009, Brandon Whitcher and Volker Schmid
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## $Id: wrappers.R 332 2010-01-29 16:54:07Z bjw34032 $
##

#############################################################################
## A couple of wrapper functions to make our generic methods look all the same
#############################################################################

.niftiWrapper <- function(name, ...) {
  .wrapper(getFunction(paste(".", name, sep="")), name, ...)
}

#' @export
.wrapper <- function(fun, name, nim, ...) {
  if (! is(nim, "nifti")) {
    nim <- as(nim, "nifti")
  }
  audit.trail(nim) <- niftiAuditTrailEvent(nim, "processing", name)
  result <- fun(nim, ...)
  try(as(result, "nifti") <- nim)
  audit.trail(nim) <- niftiAuditTrailEvent(nim, "completed", name)
  return(result)
}