# Copyright 2010-2014 Meik Michalke <meik.michalke@hhu.de>
#
# This file is part of the R package rkwarddev.
#
# rkwarddev 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.
#
# rkwarddev 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 rkwarddev. If not, see <http://www.gnu.org/licenses/>.
#' S4 Class rk.JS.ite
#'
#' This simple class is used for JavaScript generation and produced by
#' \code{\link{ite}}. You shouldn't need to temper with this
#' type of class manually.
#'
#' @slot ifJS Character string, the "if" clause.
#' @slot thenJS Character string, the "then" body.
#' @slot thenifJS A list with exactly one optional object of class rk.JS.ite.
#' @slot elseJS Character string, the "else" body.
#' @slot elifJS A list with exactly one optional object of class rk.JS.ite.
#' @keywords Classes
#' @rdname rk.JS.ite-class
#' @export
setClass("rk.JS.ite",
representation=representation(
ifJS="character",
thenJS="character",
thenifJS="list",
elseJS="character",
elifJS="list"
),
prototype(
ifJS=character(),
thenJS=character(),
thenifJS=list(),
elseJS=character(),
elifJS=list()
)
)
setValidity("rk.JS.ite", function(object){
if(length(slot(object, "thenifJS")) > 1){
stop(simpleError("Slot 'thenifJS' can only have one list element!"))
} else {}
if(length(slot(object, "thenifJS")) == 1){
if(!inherits(slot(object, "thenifJS")[[1]], "rk.JS.ite")){
stop(simpleError("Slot 'thenifJS' can only have one list element of class 'rk.JS.ite'!"))
} else {}
} else {}
if(length(slot(object, "elifJS")) > 1){
stop(simpleError("Slot 'elifJS' can only have one list element!"))
} else {}
if(length(slot(object, "elifJS")) == 1){
if(!inherits(slot(object, "elifJS")[[1]], "rk.JS.ite")){
stop(simpleError("Slot 'elifJS' can only have one list element of class 'rk.JS.ite'!"))
} else {}
} else {}
return(TRUE)
})
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