Function: print-coding-system

print-coding-system is a byte-compiled function defined in mule-diag.el.gz.

Signature

(print-coding-system CODING-SYSTEM)

Documentation

Print detailed information on CODING-SYSTEM.

Source Code

;; Defined in /usr/src/emacs/lisp/international/mule-diag.el.gz
(defun print-coding-system (coding-system)
  "Print detailed information on CODING-SYSTEM."
  (let ((type (coding-system-type coding-system))
	(eol-type (coding-system-eol-type coding-system))
	(flags (coding-system-get coding-system :flags))
	(aliases (coding-system-aliases coding-system)))
    (if (not (eq (car aliases) coding-system))
	(princ (format "%s (alias of %s)\n" coding-system (car aliases)))
      (princ coding-system)
      (dolist (alias (cdr aliases))
	(princ ",")
	(princ alias))
      (princ (format ":%s:%c:%d:"
		     type
		     (coding-system-mnemonic coding-system)
		     (if (integerp eol-type) eol-type 3)))
      (cond ((eq type 'iso2022)
	     (let ((idx 0)
		   charset)
	       (while (< idx 4)
		 (setq charset (aref flags idx))
		 (cond ((null charset)
			(princ -1))
		       ((eq charset t)
			(princ -2))
		       ((charsetp charset)
			(princ charset))
		       ((listp charset)
			(princ "(")
			(princ (car charset))
			(setq charset (cdr charset))
			(while charset
			  (princ ",")
			  (princ (car charset))
			  (setq charset (cdr charset)))
			(princ ")")))
		 (princ ",")
		 (setq idx (1+ idx)))
	       (while (< idx 12)
		 (princ (if (aref flags idx) 1 0))
		 (princ ",")
		 (setq idx (1+ idx)))
	       (princ (if (aref flags idx) 1 0))))
	    ((eq type 'ccl)
	     (let (i len)
	       (if (symbolp (car flags))
		   (princ (format " %s" (car flags)))
		 (setq i 0 len (length (car flags)))
		 (while (< i len)
		   (princ (format " %x" (aref (car flags) i)))
		   (setq i (1+ i))))
	       (princ ",")
	       (if (symbolp (cdr flags))
		   (princ (format "%s" (cdr flags)))
		 (setq i 0 len (length (cdr flags)))
		 (while (< i len)
		   (princ (format " %x" (aref (cdr flags) i)))
		   (setq i (1+ i))))))
	    (t (princ 0)))
      (princ ":")
      (princ (coding-system-doc-string coding-system))
      (princ "\n"))))