-;;; pccl.el --- Portable CCL utility for Mule 1.* and Mule 2.*
+;;; pccl.el --- Portable CCL utility for Mule 2.*
;; Copyright (C) 1998 Free Software Foundation, Inc.
(require 'broken)
-(if (featurep 'mule)
- (if (featurep 'xemacs)
- (if (>= emacs-major-version 21)
- ;; for XEmacs-21-mule
- (require 'pccl-20))
- (if (>= emacs-major-version 20)
- ;; for Emacs 20
- (require 'pccl-20)
- ;; for MULE 1.* and 2.*
- (require 'pccl-om))))
-
(broken-facility ccl-usable
- "Emacs has CCL."
+ "Emacs has not CCL."
(and (featurep 'mule)
(if (featurep 'xemacs)
(>= emacs-major-version 21)
- t)))
+ (>= emacs-major-version 19))))
+
+(unless-broken ccl-usable
+ (require 'ccl)
+ (require 'advice)
+
+ (if (featurep 'mule)
+ (if (featurep 'xemacs)
+ (if (>= emacs-major-version 21)
+ ;; for XEmacs 21 with mule
+ (require 'pccl-20))
+ (if (>= emacs-major-version 20)
+ ;; for Emacs 20
+ (require 'pccl-20)
+ ;; for Mule 2.*
+ (require 'pccl-om))))
+
+ (static-if (or (featurep 'xemacs) (< emacs-major-version 21))
+ (defadvice define-ccl-program
+ (before accept-long-ccl-program activate)
+ "When CCL-PROGRAM is too long, internal buffer is extended automatically."
+ (let ((try-ccl-compile t)
+ (prog (eval (ad-get-arg 1))))
+ (ad-set-arg 1 (` '(, prog)))
+ (while try-ccl-compile
+ (setq try-ccl-compile nil)
+ (condition-case sig
+ (ccl-compile prog)
+ (args-out-of-range
+ (if (and (eq (car (cdr sig)) ccl-program-vector)
+ (= (car (cdr (cdr sig))) (length ccl-program-vector)))
+ (setq ccl-program-vector
+ (make-vector (* 2 (length ccl-program-vector)) 0)
+ try-ccl-compile t)
+ (signal (car sig) (cdr sig)))))))))
+
+ (static-when (and (not (featurep 'xemacs)) (< emacs-major-version 21))
+ (defun-maybe transform-make-coding-system-args (name type &optional doc-string props)
+ "For internal use only.
+Transform XEmacs style args for `make-coding-system' to Emacs style.
+Value is a list of transformed arguments."
+ (let ((mnemonic (string-to-char (or (plist-get props 'mnemonic) "?")))
+ (eol-type (plist-get props 'eol-type))
+ properties tmp)
+ (cond
+ ((eq eol-type 'lf) (setq eol-type 'unix))
+ ((eq eol-type 'crlf) (setq eol-type 'dos))
+ ((eq eol-type 'cr) (setq eol-type 'mac)))
+ (if (setq tmp (plist-get props 'post-read-conversion))
+ (setq properties (plist-put properties 'post-read-conversion tmp)))
+ (if (setq tmp (plist-get props 'pre-write-conversion))
+ (setq properties (plist-put properties 'pre-write-conversion tmp)))
+ (cond
+ ((eq type 'shift-jis)
+ `(,name 1 ,mnemonic ,doc-string () ,properties ,eol-type))
+ ((eq type 'iso2022) ; This is not perfect.
+ (if (plist-get props 'escape-quoted)
+ (error "escape-quoted is not supported: %S"
+ `(,name ,type ,doc-string ,props)))
+ (let ((g0 (plist-get props 'charset-g0))
+ (g1 (plist-get props 'charset-g1))
+ (g2 (plist-get props 'charset-g2))
+ (g3 (plist-get props 'charset-g3))
+ (use-roman
+ (and
+ (eq (cadr (assoc 'latin-jisx0201
+ (plist-get props 'input-charset-conversion)))
+ 'ascii)
+ (eq (cadr (assoc 'ascii
+ (plist-get props 'output-charset-conversion)))
+ 'latin-jisx0201)))
+ (use-oldjis
+ (and
+ (eq (cadr (assoc 'japanese-jisx0208-1978
+ (plist-get props 'input-charset-conversion)))
+ 'japanese-jisx0208)
+ (eq (cadr (assoc 'japanese-jisx0208
+ (plist-get props 'output-charset-conversion)))
+ 'japanese-jisx0208-1978))))
+ (if (charsetp g0)
+ (if (plist-get props 'force-g0-on-output)
+ (setq g0 `(nil ,g0))
+ (setq g0 `(,g0 t))))
+ (if (charsetp g1)
+ (if (plist-get props 'force-g1-on-output)
+ (setq g1 `(nil ,g1))
+ (setq g1 `(,g1 t))))
+ (if (charsetp g2)
+ (if (plist-get props 'force-g2-on-output)
+ (setq g2 `(nil ,g2))
+ (setq g2 `(,g2 t))))
+ (if (charsetp g3)
+ (if (plist-get props 'force-g3-on-output)
+ (setq g3 `(nil ,g3))
+ (setq g3 `(,g3 t))))
+ `(,name 2 ,mnemonic ,doc-string
+ (,g0 ,g1 ,g2 ,g3
+ ,(plist-get props 'short)
+ ,(not (plist-get props 'no-ascii-eol))
+ ,(not (plist-get props 'no-ascii-cntl))
+ ,(plist-get props 'seven)
+ t
+ ,(not (plist-get props 'lock-shift))
+ ,use-roman
+ ,use-oldjis
+ ,(plist-get props 'no-iso6429)
+ nil nil nil nil)
+ ,properties ,eol-type)))
+ ((eq type 'big5)
+ `(,name 3 ,mnemonic ,doc-string () ,properties ,eol-type))
+ ((eq type 'ccl)
+ `(,name 4 ,mnemonic ,doc-string
+ (,(plist-get props 'decode) . ,(plist-get props 'encode))
+ ,properties ,eol-type))
+ (t
+ (error "unsupported XEmacs style make-coding-style arguments: %S"
+ `(,name ,type ,doc-string ,props))))))
+ (defadvice make-coding-system
+ (before ccl-compat (name type &rest ad-subr-args) activate)
+ "Emulate XEmacs style make-coding-system."
+ (when (and (symbolp type) (not (memq type '(t nil))))
+ (let ((args (apply 'transform-make-coding-system-args
+ name type ad-subr-args)))
+ (setq type (cadr args)
+ ad-subr-args (cddr args)))))))
;;; @ end
;;;
-(provide 'pccl)
+(require 'product)
+(product-provide (provide 'pccl) (require 'apel-ver))
;;; pccl.el ends here
projects / elisp / apel.git / blobdiff