.onLoad <- function(libname, pkgname) { # nocov start
reg_s3_method("XML", "querySelector", "XMLInternalNode", querySelector.XMLInternalNode)
reg_s3_method("XML", "querySelectorAll", "XMLInternalNode", querySelectorAll.XMLInternalNode)
reg_s3_method("XML", "querySelectorNS", "XMLInternalNode", querySelectorNS.XMLInternalNode)
reg_s3_method("XML", "querySelectorAllNS", "XMLInternalNode", querySelectorAllNS.XMLInternalNode)
reg_s3_method("XML", "querySelector", "XMLInternalDocument", querySelector.XMLInternalDocument)
reg_s3_method("XML", "querySelectorAll", "XMLInternalDocument", querySelectorAll.XMLInternalDocument)
reg_s3_method("XML", "querySelectorNS", "XMLInternalDocument", querySelectorNS.XMLInternalDocument)
reg_s3_method("XML", "querySelectorAllNS", "XMLInternalDocument", querySelectorAllNS.XMLInternalDocument)
reg_s3_method("xml2", "querySelector", "xml_node", querySelector.xml_node)
reg_s3_method("xml2", "querySelectorAll", "xml_node", querySelectorAll.xml_node)
reg_s3_method("xml2", "querySelectorNS", "xml_node", querySelectorNS.xml_node)
reg_s3_method("xml2", "querySelectorAllNS", "xml_node", querySelectorAllNS.xml_node)
invisible()
} # nocov end
reg_s3_method <- function(pkg, generic, class, fun = NULL) { # nocov start
stopifnot(is.character(pkg), length(pkg) == 1)
stopifnot(is.character(generic), length(generic) == 1)
stopifnot(is.character(class), length(class) == 1)
if (is.null(fun))
fun <- get(paste0(generic, ".", class), envir = parent.frame())
stopifnot(is.function(fun))
if (pkg %in% loadedNamespaces()) {
envir <- asNamespace("selectr")
registerS3method(generic, class, fun, envir = envir)
}
# Register hook in case package is later unloaded & reloaded
setHook(
packageEvent(pkg, "onLoad"),
function(...) {
envir <- asNamespace("selectr")
registerS3method(generic, class, fun, envir = envir)
}
)
} # nocov end
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