(string-to-number
(substring
pat (1+ (match-beginning 0)) (1- (match-end 0))))
- 0)))
- )))
+ 0))
+ ))))
)
(running-emacs-18
(require 'emu-18)
(defun encode-coding-region (start end coding-system)
"Encode the text between START and END to CODING-SYSTEM.
\[EMACS 20 emulating function]"
- (code-convert-region start end *internal* coding-system)
- )
+ ;; If `coding-system' is nil, do nothing.
+ (code-convert-region start end *internal* coding-system))
(defun decode-coding-region (start end coding-system)
"Decode the text between START and END which is encoded in CODING-SYSTEM.
\[EMACS 20 emulating function]"
- (code-convert-region start end coding-system *internal*)
- )
+ ;; If `coding-system' is nil, do nothing.
+ (code-convert-region start end coding-system *internal*))
+;; XXX: Should we support optional NOCOPY argument? (only in Emacs 20.x)
(defun encode-coding-string (str coding-system)
"Encode the STRING to CODING-SYSTEM.
\[EMACS 20 emulating function]"
- (code-convert-string str *internal* coding-system)
- )
+ (if coding-system
+ (code-convert-string str *internal* coding-system)
+ ;;(code-convert-string str *internal* nil) returns nil instead of str.
+ str)
+;; XXX: Should we support optional NOCOPY argument? (only in Emacs 20.x)
(defun decode-coding-string (str coding-system)
"Decode the string STR which is encoded in CODING-SYSTEM.
\[EMACS 20 emulating function]"
- (let ((len (length str))
- ret)
- (while (and
- (< 0 len)
- (null
- (setq ret
- (code-convert-string (substring str 0 len)
- coding-system *internal*))
- ))
- (setq len (1- len))
- )
- (concat ret (substring str len))
- ))
+ (if coding-system
+ (let ((len (length str))
+ ret)
+ (while (and (< 0 len)
+ (null (setq ret
+ (code-convert-string
+ (substring str 0 len)
+ coding-system *internal*))))
+ (setq len (1- len)))
+ (concat ret (substring str len)))
+ str)
(defalias 'detect-coding-region 'code-detect-region)
mc-flag
(default-process-coding-system (cons *noconv* *noconv*))
program-coding-system-alist)
- (,@ body)
- )))
+ (,@ body))))
(defmacro as-binary-input-file (&rest body)
(` (let (mc-flag
(file-coding-system-for-read *noconv*)
)
- (,@ body)
- )))
+ (,@ body))))
(defmacro as-binary-output-file (&rest body)
(` (let (mc-flag
(file-coding-system *noconv*)
)
- (,@ body)
- )))
+ (,@ body))))
(defalias 'set-process-input-coding-system 'set-process-coding-system)
Namely this function ensures that only format decoding and character
code conversion will not take place."
- (let (mc-flag
- (file-coding-system-for-read *noconv*))
- (insert-file-contents filename visit beg end replace)
- ))
+ (as-binary-input-file
+ ;; Returns list absolute file name and length of data inserted.
+ (insert-file-contents filename visit beg end replace)))
(defalias 'insert-binary-file-contents 'insert-file-contents-as-binary)
(make-obsolete 'insert-binary-file-contents 'insert-file-contents-as-binary)
(save-excursion
(save-restriction
(narrow-to-region (point)(point))
- (insert-file-contents-as-binary filename visit beg end replace)
- (goto-char (point-min))
- (while (re-search-forward "\r$" nil t)
- (replace-match "")
- ))))
+ (let ((return-val
+ ;; Returns list absolute file name and length of data inserted.
+ (insert-file-contents-as-binary filename visit beg end replace)))
+ (goto-char (point-min))
+ (while (re-search-forward "\r$" nil t)
+ (replace-match ""))
+ (list (car return-val) (buffer-size))))))
(defun insert-binary-file-contents-literally (filename
&optional visit beg end replace)
to advanced Emacs features, such as file-name-handlers, format decoding,
find-file-hooks, etc.
This function ensures that none of these modifications will take place."
- (let (mc-flag
- (file-coding-system *noconv*))
- (insert-file-contents-literally filename visit beg end replace)
- ))
+ (as-binary-input-file
+ ;; Returns list absolute file name and length of data inserted.
+ (insert-file-contents-literally filename visit beg end replace)))
-(if running-emacs-19_29-or-later
- ;; for MULE 2.3 based on Emacs 19.34.
- (defun write-region-as-binary (start end filename
- &optional append visit lockname)
- "Like `write-region', q.v., but don't code conversion."
- (let (mc-flag
- (file-coding-system *noconv*))
- (write-region start end filename append visit lockname)
- ))
- ;; for MULE 2.3 based on Emacs 19.28.
+(cond
+ (running-emacs-19_29-or-later
+ ;; for MULE 2.3 based on Emacs 19.34.
(defun write-region-as-binary (start end filename
&optional append visit lockname)
"Like `write-region', q.v., but don't code conversion."
- (let (mc-flag
- (file-coding-system *noconv*))
- (write-region start end filename append visit)
- ))
+ (as-binary-output-file
+ (write-region start end filename append visit lockname)))
+
+ (defun write-region-as-raw-text-CRLF (start end filename
+ &optional append visit lockname)
+ "Like `write-region', q.v., but don't code conversion."
+ (let ((the-buf (current-buffer)))
+ (with-temp-buffer
+ (insert-buffer-substring the-buf start end)
+ (goto-char (point-min))
+ (while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
+ (replace-match "\\1\r\n"))
+ (write-region-as-binary (point-min)(point-max)
+ filename append visit lockname))))
)
+ (t
+ ;; for MULE 2.3 based on Emacs 19.28.
+ (defun write-region-as-binary (start end filename
+ &optional append visit lockname)
+ "Like `write-region', q.v., but don't code conversion."
+ (as-binary-output-file
+ (write-region start end filename append visit)))
-(defun write-region-as-raw-text-CRLF (start end filename
- &optional append visit lockname)
- "Like `write-region', q.v., but don't code conversion."
- (let ((the-buf (current-buffer)))
- (with-temp-buffer
- (insert-buffer-substring the-buf start end)
- (goto-char (point-min))
- (while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
- (replace-match "\\1\r\n")
- )
- (write-region-as-binary (point-min)(point-max)
- filename append visit lockname)
- )))
+ (defun write-region-as-raw-text-CRLF (start end filename
+ &optional append visit lockname)
+ "Like `write-region', q.v., but don't code conversion."
+ (let ((the-buf (current-buffer)))
+ (with-temp-buffer
+ (insert-buffer-substring the-buf start end)
+ (goto-char (point-min))
+ (while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
+ (replace-match "\\1\r\n"))
+ (write-region-as-binary (point-min)(point-max)
+ filename append visit))))
+ ))
;;; @ MIME charset
(decode-coding-string string cs)
string)))
-(defun write-region-as-mime-charset (charset start end filename)
- "Like `write-region', q.v., but code-convert by MIME CHARSET."
- (let ((file-coding-system
- (or (mime-charset-to-coding-system charset)
- *noconv*)))
- (write-region start end filename append visit)
- ))
+(cond
+ (running-emacs-19_29-or-later
+ ;; for MULE 2.3 based on Emacs 19.34.
+ (defun write-region-as-mime-charset (charset start end filename
+ &optional append visit lockname)
+ "Like `write-region', q.v., but code-convert by MIME CHARSET."
+ (let ((file-coding-system
+ (or (mime-charset-to-coding-system charset)
+ *noconv*)))
+ (write-region start end filename append visit lockname)))
+ )
+ (t
+ ;; for MULE 2.3 based on Emacs 19.28.
+ (defun write-region-as-mime-charset (charset start end filename
+ &optional append visit lockname)
+ "Like `write-region', q.v., but code-convert by MIME CHARSET."
+ (let ((file-coding-system
+ (or (mime-charset-to-coding-system charset)
+ *noconv*)))
+ (write-region start end filename append visit)))
+ ))
;;; @@ to coding-system
(x-shiftjis . *sjis*)
))
-(defun mime-charset-to-coding-system (charset &optional lbt)
+(defsubst mime-charset-to-coding-system (charset &optional lbt)
(if (stringp charset)
(setq charset (intern (downcase charset)))
)
- (let ((cs
- (or (cdr (assq charset mime-charset-coding-system-alist))
- (let ((cs (intern (concat "*" (symbol-name charset) "*"))))
- (and (coding-system-p cs) cs)
- ))))
- (if (or (null lbt)
- (null cs))
- cs
- (intern (format "%s%s" cs (cond ((eq lbt 'CRLF) 'dos)
- ((eq lbt 'LF) 'unix)
- ((eq lbt 'CR) 'mac)
- (t lbt))))
- )))
+ (setq charset (or (cdr (assq charset mime-charset-coding-system-alist))
+ (intern (concat "*" (symbol-name charset) "*"))))
+ (if lbt
+ (setq charset (intern (format "%s%s" charset
+ (cond ((eq lbt 'CRLF) 'dos)
+ ((eq lbt 'LF) 'unix)
+ ((eq lbt 'CR) 'mac)
+ (t lbt)))))
+ )
+ (if (coding-system-p charset)
+ charset
+ ))
;;; @@ detection
dest)
(while (>= p 1)
(setq dest (cons (- (char-component character p) 128) dest)
- p (1- p))
- )
- (cons (char-charset character) dest)
- ))
+ p (1- p)))
+ (cons (char-charset character) dest)))
(defmacro char-next-index (char index)
"Return index of character succeeding CHAR whose index is INDEX."
(defalias 'string-to-int-list 'string-to-char-list)
(or (fboundp 'truncate-string)
-;;; Imported from Mule-2.3
-(defun truncate-string (str width &optional start-column)
- "Truncate STR to fit in WIDTH columns.
+ ;; Imported from Mule-2.3
+ (defun truncate-string (str width &optional start-column)
+ "\
+Truncate STR to fit in WIDTH columns.
Optional non-nil arg START-COLUMN specifies the starting column.
\[emu-mule.el; Mule 2.3 emulating function]"
- (or start-column
- (setq start-column 0))
- (let ((max-width (string-width str))
- (len (length str))
- (from 0)
- (column 0)
- to-prev to ch)
- (if (>= width max-width)
- (setq width max-width))
- (if (>= start-column width)
- ""
- (while (< column start-column)
- (setq ch (aref str from)
- column (+ column (char-width ch))
- from (+ from (char-bytes ch))))
- (if (< width max-width)
- (progn
- (setq to from)
- (while (<= column width)
- (setq ch (aref str to)
- column (+ column (char-width ch))
- to-prev to
- to (+ to (char-bytes ch))))
- (setq to to-prev)))
- (substring str from to))))
-;;;
- )
+ (or start-column
+ (setq start-column 0))
+ (let ((max-width (string-width str))
+ (len (length str))
+ (from 0)
+ (column 0)
+ to-prev to ch)
+ (if (>= width max-width)
+ (setq width max-width))
+ (if (>= start-column width)
+ ""
+ (while (< column start-column)
+ (setq ch (aref str from)
+ column (+ column (char-width ch))
+ from (+ from (char-bytes ch))))
+ (if (< width max-width)
+ (progn
+ (setq to from)
+ (while (<= column width)
+ (setq ch (aref str to)
+ column (+ column (char-width ch))
+ to-prev to
+ to (+ to (char-bytes ch))))
+ (setq to to-prev)))
+ (substring str from to))))
+ )
(defalias 'looking-at-as-unibyte 'looking-at)
(defun regulate-latin-char (chr)
(cond ((and (<= ?\e$B#A\e(B chr)(<= chr ?\e$B#Z\e(B))
- (+ (- chr ?\e$B#A\e(B) ?A)
- )
+ (+ (- chr ?\e$B#A\e(B) ?A))
((and (<= ?\e$B#a\e(B chr)(<= chr ?\e$B#z\e(B))
- (+ (- chr ?\e$B#a\e(B) ?a)
- )
+ (+ (- chr ?\e$B#a\e(B) ?a))
((eq chr ?\e$B!%\e(B) ?.)
((eq chr ?\e$B!$\e(B) ?,)
- (t chr)
- ))
+ (t chr)))
(defun regulate-latin-string (str)
(let ((len (length str))
(setq chr (sref str i))
(setq dest (concat dest
(char-to-string (regulate-latin-char chr))))
- (setq i (+ i (char-bytes chr)))
- )
+ (setq i (+ i (char-bytes chr))))
dest))
+;;; @ CCL
+;;;
+(require 'ccl)
+
+(defconst ccl-use-symbol-as-program nil
+ "t if CCL related builtins accept symbol as CCL program.
+(20.2 with ExCCL, 20.3 or later)
+Otherwise nil (20.2 without ExCCL or former).
+
+Because emu provides functions accepting symbol as CCL program,
+user programs should not refer this variable.")
+
+(defun make-ccl-coding-system
+ (coding-system mnemonic doc-string decoder encoder)
+ "Define a new CODING-SYSTEM (symbol) by CCL programs
+DECODER (symbol) and ENCODER (symbol)."
+ (setq decoder (symbol-value decoder)
+ encoder (symbol-value encoder))
+ (make-coding-system coding-system 4 mnemonic doc-string
+ nil ; Mule takes one more optional argument: EOL-TYPE.
+ (cons decoder encoder)))
+
+(eval-when-compile
+ (define-ccl-program test-ccl-eof-block
+ '(1
+ (read r0)
+ (write "[EOF]")))
+
+ (make-ccl-coding-system
+ 'test-ccl-eof-block-cs ?T "CCL_EOF_BLOCK tester"
+ 'test-ccl-eof-block 'test-ccl-eof-block)
+ )
+
+(defconst ccl-encoder-eof-block-is-broken
+ (eval-when-compile
+ (not (equal (encode-coding-string "" 'test-ccl-eof-block-cs)
+ "[EOF]")))
+ "t if CCL_EOF_BLOCK is not executed when coding system encounts EOF on
+encoding.")
+
+(defconst ccl-decoder-eof-block-is-broken
+ (eval-when-compile
+ (not (equal (decode-coding-string "" 'test-ccl-eof-block-cs)
+ "[EOF]")))
+ "t if CCL_EOF_BLOCK is not executed when coding system encounts EOF on
+decoding.")
+
+(defconst ccl-eof-block-is-broken
+ (or ccl-encoder-eof-block-is-broken
+ ccl-decoder-eof-block-is-broken))
+
+(defun ccl-execute (ccl-prog reg)
+ "Execute CCL-PROG with registers initialized by REGISTERS.
+If CCL-PROG is symbol, it is dereferenced.
+\[Emacs 20.3 emulating function]"
+ (exec-ccl
+ (if (symbolp ccl-prog) (symbol-value ccl-prog) ccl-prog)
+ reg))
+
+(defun ccl-execute-on-string (ccl-prog status string &optional contin)
+ "Execute CCL-PROG with initial STATUS on STRING.
+If CCL-PROG is symbol, it is dereferenced.
+\[Emacs 20.3 emulating function]"
+ (exec-ccl-string
+ (if (symbolp ccl-prog) (symbol-value ccl-prog) ccl-prog)
+ string status))
+
+
;;; @ end
;;;