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# Copyright (c) 2019 - 2023, Adrian Dusa
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, in whole or in part, are permitted provided that the
# following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * The names of its contributors may NOT be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL ADRIAN DUSA BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
`invert` <- function(input, snames = "", noflevels = NULL) {
if (!is.null(noflevels)) {
noflevels <- splitstr(noflevels)
}
isol <- NULL
input <- recreate(substitute(input))
snames <- recreate(substitute(snames))
minimized <- methods::is(input, "QCA_min")
if (minimized) {
snames <- input$tt$options$conditions
star <- any(nchar(snames) > 1)
if (input$options$use.letters) {
snames <- LETTERS[seq(length(snames))]
star <- FALSE
}
noflevels <- input$tt$noflevels
if (is.element("i.sol", names(input))) {
elengths <- unlist(lapply(input$i.sol, function(x) length(x$solution)))
isol <- paste(rep(names(input$i.sol), each = elengths), unlist(lapply(elengths, seq)), sep = "-")
input <- unlist(lapply(input$i.sol, function(x) {
lapply(x$solution, paste, collapse = " + ")
}))
}
else {
input <- unlist(lapply(input$solution, paste, collapse = " + "))
}
if (!star) {
input <- gsub("[*]", "", input)
}
}
if (methods::is(input, "admisc_deMorgan")) {
input <- unlist(input)
}
if (!is.character(input)) {
stopError("The expression should be a character vector.")
}
star <- any(grepl("[*]", input))
if (!identical(snames, "")) {
snames <- splitstr(snames)
if (any(nchar(snames) > 1)) {
star <- TRUE
}
}
mv <- any(grepl("\\{|\\}|\\[|\\]", input))
if (mv) start <- FALSE
negateit <- function(x, snames = "", noflevels = NULL) {
callist <- list(expression = x)
if (!identical(snames, "")) callist$snames <- snames
if (!is.null(noflevels)) callist$noflevels <- noflevels
trexp <- do.call(translate, callist)
snames <- colnames(trexp)
if (is.null(noflevels)) {
noflevels <- rep(2, ncol(trexp))
}
snoflevels <- lapply(noflevels, function(x) seq(x) - 1)
negated <- paste(apply(trexp, 1, function(x) {
wx <- which(x != -1)
x <- x[wx]
nms <- names(x)
x <- sapply(seq_along(x), function(i) {
paste(setdiff(snoflevels[wx][[i]], splitstr(x[i])), collapse = ",")
})
if (mv) {
return(paste("(", paste(nms, "{", x, "}", sep = "", collapse = " + "), ")", sep = ""))
}
else {
nms[x == 0] <- paste("~", nms[x == 0], sep = "")
result <- paste(nms, collapse = " + ", sep = "")
if (length(nms) > 1) {
result <- paste("(", result, ")", sep = "")
}
return(result)
}
}), collapse = "*")
return(negated)
}
result <- lapply(input, function(x) {
if (grepl("\\(", x)) {
xexp <- expandBrackets(x, snames = snames, noflevels = noflevels)
if (!identical(xexp, gsub("\\(|\\)", "", x))) {
return(xexp)
}
x <- xexp
}
return(
paste(
unlist(lapply(x, negateit, snames = snames, noflevels = noflevels)),
collapse = " + "
)
)
})
names(result) <- unname(input)
if (!minimized) {
attr(result, "expressions") <- input
}
if (!identical(snames, "")) {
attr(result, "snames") <- snames
}
if (!is.null(isol)) {
attr(result, "isol") <- isol
}
attr(result, "minimized") <- minimized
return(classify(result, "admisc_deMorgan"))
}
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