Nothing
# nocov start
.onLoad <- function(...) {
register_geoarrow_extension()
register_arrow_ext_or_set_hook()
s3_register("sf::st_as_sfc", "geoarrow_vctr")
s3_register("sf::st_as_sfc", "ChunkedArray")
s3_register("sf::st_as_sfc", "Array")
s3_register("sf::st_as_sf", "ArrowTabular")
s3_register("sf::st_as_sf", "Dataset")
s3_register("sf::st_as_sf", "Scanner")
s3_register("sf::st_as_sf", "RecordBatchReader")
s3_register("sf::st_as_sf", "arrow_dplyr_query")
s3_register("arrow::as_arrow_array", "geoarrow_vctr")
s3_register("arrow::as_arrow_array", "sfc")
s3_register("arrow::as_chunked_array", "geoarrow_vctr")
s3_register("arrow::as_chunked_array", "sfc")
s3_register("arrow::infer_type", "geoarrow_vctr")
s3_register("arrow::infer_type", "sfc")
}
# From the `vctrs` package (this function is intended to be copied
# without attribution or license requirements to avoid a hard dependency on
# vctrs:
# nolint https://github.com/r-lib/vctrs/blob/c2a7710fe55e3a2249c4fdfe75bbccbafcf38804/R/register-s3.R#L25-L31
s3_register <- function(generic, class, method = NULL) {
stopifnot(is.character(generic), length(generic) == 1)
stopifnot(is.character(class), length(class) == 1)
pieces <- strsplit(generic, "::")[[1]]
stopifnot(length(pieces) == 2)
package <- pieces[[1]]
generic <- pieces[[2]]
caller <- parent.frame()
get_method_env <- function() {
top <- topenv(caller)
if (isNamespace(top)) {
asNamespace(environmentName(top))
} else {
caller
}
}
get_method <- function(method, env) {
if (is.null(method)) {
get(paste0(generic, ".", class), envir = get_method_env())
} else {
method
}
}
register <- function(...) {
envir <- asNamespace(package)
# Refresh the method each time, it might have been updated by
# `devtools::load_all()`
method_fn <- get_method(method)
stopifnot(is.function(method_fn))
# Only register if generic can be accessed
if (exists(generic, envir)) {
registerS3method(generic, class, method_fn, envir = envir)
} else if (identical(Sys.getenv("NOT_CRAN"), "true")) {
warning(sprintf(
"Can't find generic `%s` in package %s to register S3 method.",
generic,
package
))
}
}
# Always register hook in case package is later unloaded & reloaded
setHook(packageEvent(package, "onLoad"), register)
# Avoid registration failures during loading (pkgload or regular)
if (isNamespaceLoaded(package)) {
register()
}
invisible()
}
# nocov end
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