Nothing
sanitize_layername <- function(name, type, mapsets, ignore.stderr) {
stopifnot(
is.character(type),
length(type) == 1L,
type %in% c("raster", "vector")
)
stopifnot(
is.character(name),
length(name) == 1L
)
vca <- unlist(strsplit(name, "@"))
if (length(vca) == 1L) {
exsts <- execGRASS("g.list",
type = type, pattern = vca[1],
intern = TRUE, ignore.stderr = ignore.stderr
)
if (length(exsts) > 1L) {
stop(
"multiple layers named ", vca[1],
" found in in mapsets in search path: ",
paste(mapsets, collapse = ", "),
" ; use full path with @ to choose the required raster"
)
}
if (length(exsts) == 0L || exsts != vca[1]) {
stop(
name, " not found in mapsets in search path: ",
paste(mapsets, collapse = ", ")
)
}
} else if (length(vca) == 2L) {
exsts <- execGRASS("g.list",
type = type, pattern = vca[1],
mapset = vca[2], intern = TRUE, ignore.stderr = ignore.stderr
)
if (length(exsts) == 0L || exsts != vca[1]) {
stop(name, " not found in mapset: ", vca[2])
}
} else {
stop(name, " incorrectly formatted")
}
vca
}
get_mapsets <- function() {
unlist(strsplit(
execGRASS("g.mapsets", flags = "p", intern = TRUE),
" "
))
}
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