R/timeBasedRange.R

In R-Finance/xts: eXtensible Time Series

#
#   xts: eXtensible time-series 
#
#   Copyright (C) 2008  Jeffrey A. Ryan jeff.a.ryan @ gmail.com
#
#   Contributions from Joshua M. Ulrich
#
#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.


`timeBasedRange` <-
function(x, ...) {
  # convert unquoted time range to
  if (!is.character(x)) 
    x <- deparse(match.call()$x)

  # determine start and end points
  tblist <- timeBasedSeq(x,NULL)

#  if(!is.null(tblist$length.out))
#    return(tblist$from)

  c(as.numeric(tblist$from), as.numeric(tblist$to))
}