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prAssertStyleNames <- function(x, message) {
if (any(x == "")) {
stop(message, " Empty names not allowed.")
}
invalid_names <- prGetInvalidStyleNames(x)
if (length(invalid_names) > 0) {
stop(message, " See name(s): ", paste(invalid_names, collapse = ", "))
}
}
prGetInvalidStyleNames <- function(x) {
valid_names <- Filter(
function(x) !(x %in% c("theme", "")),
names(formals(setHtmlTableTheme))
)
checked_names <- args %in% valid_names
return(args[!checked_names])
}
prAssertStyles <- function(style_list) {
assert_list(style_list, names = "named", .var.name = deparse(substitute(style_list)))
css_styles <- names(style_list)[startsWith(names(style_list), "css.")]
for (style in css_styles) {
prAssertStyle(style_list[[style]], name = style)
}
return(TRUE)
}
prAssertStyle <- function(elmnt, name) {
assert_character(elmnt,
min.chars = 0,
min.len = 1,
.var.name = name
)
elmnts2check <- Filter(
function(x) nchar(x) > 0,
elmnt
)
if (name != "css.class" && is.null(names(elmnts2check)) && length(elmnts2check) > 0) {
assert_true(all(sapply(elmnts2check, function(e) grepl(":", e))),
.var.name = name
)
}
}
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