diff options
Diffstat (limited to 'lisp/international/mule-cmds.el')
| -rw-r--r-- | lisp/international/mule-cmds.el | 45 |
1 files changed, 34 insertions, 11 deletions
diff --git a/lisp/international/mule-cmds.el b/lisp/international/mule-cmds.el index 1ec7456c9e1..7672edc0443 100644 --- a/lisp/international/mule-cmds.el +++ b/lisp/international/mule-cmds.el @@ -2235,7 +2235,7 @@ See `set-language-info-alist' for use in programs." ("br" . "Latin-1") ; Breton ("bs" . "Latin-2") ; Bosnian ("byn" . "UTF-8") ; Bilin; Blin - ("ca" . "Latin-1") ; Catalan + ("ca" "Catalan" iso-8859-1) ; Catalan ; co Corsican ("cs" "Czech" iso-8859-2) ("cy" "Welsh" iso-8859-14) @@ -2980,6 +2980,27 @@ on encoding." (let ((char (assoc name ucs-names))) (when char (format " (%c)" (cdr char))))) +(defun char-from-name (string &optional ignore-case) + "Return a character as a number from its Unicode name STRING. +If optional IGNORE-CASE is non-nil, ignore case in STRING. +Return nil if STRING does not name a character." + (or (cdr (assoc-string string (ucs-names) ignore-case)) + (let ((minus (string-match-p "-[0-9A-F]+\\'" string))) + (when minus + ;; Parse names like "VARIATION SELECTOR-17" and "CJK + ;; COMPATIBILITY IDEOGRAPH-F900" that are not in ucs-names. + (ignore-errors + (let* ((case-fold-search ignore-case) + (vs (string-match-p "\\`VARIATION SELECTOR-" string)) + (minus-num (string-to-number (substring string minus) + (if vs 10 16))) + (vs-offset (if vs (if (< minus-num -16) #xE00EF #xFDFF) 0)) + (code (- vs-offset minus-num)) + (name (get-char-code-property code 'name))) + (when (eq t (compare-strings string nil nil name nil nil + ignore-case)) + code))))))) + (defun read-char-by-name (prompt) "Read a character by its Unicode name or hex number string. Display PROMPT and read a string that represents a character by its @@ -2993,9 +3014,11 @@ preceded by an asterisk `*' and use completion, it will show all the characters whose names include that substring, not necessarily at the beginning of the name. -This function also accepts a hexadecimal number of Unicode code -point or a number in hash notation, e.g. #o21430 for octal, -#x2318 for hex, or #10r8984 for decimal." +Accept a name like \"CIRCULATION FUNCTION\", a hexadecimal +number like \"2A10\", or a number in hash notation (e.g., +\"#x2a10\" for hex, \"10r10768\" for decimal, or \"#o25020\" for +octal). Treat otherwise-ambiguous strings like \"BED\" (U+1F6CF) +as names, not numbers." (let* ((enable-recursive-minibuffers t) (completion-ignore-case t) (input @@ -3008,13 +3031,13 @@ point or a number in hash notation, e.g. #o21430 for octal, (category . unicode-name)) (complete-with-action action (ucs-names) string pred))))) (char - (cond - ((string-match-p "\\`[0-9a-fA-F]+\\'" input) - (string-to-number input 16)) - ((string-match-p "\\`#" input) - (read input)) - (t - (cdr (assoc-string input (ucs-names) t)))))) + (cond + ((char-from-name input t)) + ((string-match-p "\\`[0-9a-fA-F]+\\'" input) + (ignore-errors (string-to-number input 16))) + ((string-match-p "\\`#\\([bBoOxX]\\|[0-9]+[rR]\\)[0-9a-zA-Z]+\\'" + input) + (ignore-errors (read input)))))) (unless (characterp char) (error "Invalid character")) char)) |