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# INCLUDES <- "web/graphics"
# FILETYPE <- "html"
# Upper case first letter of string
# This comes from the examples of some R function.
#
# @keyword internal
firstUpper <- function(s) {
paste(toupper(substring(s, 1,1)), substring(s, 2), sep="")
}
TopLevel <- proto(expr = {
find_all <- function(., only.documented = FALSE) {
names <- ls(pattern=paste("^", firstUpper(.$class()), "[A-Z].+", sep=""), parent.env(TopLevel))
objs <- structure(lapply(names, get), names=names)
if (only.documented) objs <- objs[sapply(objs, function(x) get("doc", x))]
objs
}
find <- function(., name) {
fullname <- paste(firstUpper(.$class()), firstUpper(name), sep="")
if (!exists(fullname)) {
stop("No ", .$class(), " called ", name, call.=FALSE)
}
get(fullname)
}
my_name <- function(., prefix=TRUE) {
if (!prefix) return(.$objname)
paste(.$class(), .$objname, sep="_")
}
my_names <- function(.) .$my_name()
myName <- function(.) {
ps(firstUpper(.$class()), ps(firstUpper(strsplit(.$objname, "_")[[1]])))
}
params <- function(.) {
param <- .$parameters()
if (length(param) == 0) return()
if(!exists("required_aes", .)) return(param)
aesthetics <- c(.$required_aes, names(.$default_aes()))
param[setdiff(names(param), aesthetics)]
}
})
#' @S3method print proto
print.proto <- function(x, ...) x$pprint(...)
pprint <- function(x, ...) print(as.list(x), ...)
# name.proto <- function (...) {
# proto(print.proto = print.default, f = proto::name.proto)$f(...)
# }
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