R/altrep_backend-todo_charclass.R

In charr: String Processing Reimagined for 'ALTREP' Strings

# Copied from stringi; stri_* renamed to ci_*.
# kate: default-dictionary en_US

## This file is part of the 'stringi' package for R.
## Copyright (c) 2013-2025, Marek Gagolewski <https://www.gagolewski.com/>
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invisible(NULL)  # TO BE DONE


# #' Get character types (general character category identifier)
# #'
# #' Returns the general category value for each *code point* in each string
# #' Same as java.lang.Character.getType()
# #' @param s character vector
# #' @return list of numeric vectors
# #' @seealso \code{\link{ci_charcategories}}, \code{\link{ci_char_getcategoryid}}
# # @export
# #' @family charclass
# ci_chartype <- function(s) {
#    .Call(C_ci_chartype, s)
# }


# #' Get general character categories
# #'
# #' Returns the 'modern' names of each Unicode character category
# #' Based on ICU4C/uchar.h
# #' U_UNASSIGNED (id=0) is omitted
# #' @return data frame with 2 columns...
# #' @seealso \code{\link{ci_chartype}}, \code{\link{ci_char_getcategoryid}}
# # @export
# #' @family charclass
# ci_charcategories <- function() {
#    categories <- as.data.frame(.Call(C_ci_charcategories),
#       stringsAsFactors=FALSE)
#    rownames(categories) <- categories[,2]
#    categories[,-2]
# }