;;; poem-om.el --- poem implementation for Mule 1.* and Mule 2.*
-;; Copyright (C) 1995-1999 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Katsumi Yamaoka <yamaoka@jpl.org>
;; Keywords: emulation, compatibility, Mule
;;; @ version specific features
;;;
-(cond ((= emacs-major-version 19)
- ;; Suggested by SASAKI Osamu <osamu@shuugr.bekkoame.or.jp>
- ;; (cf. [os2-emacs-ja:78])
- (defun fontset-pixel-size (fontset)
- (let* ((font (get-font-info
- (aref (cdr (get-fontset-info fontset)) 0)))
- (open (aref font 4)))
- (if (= open 1)
- (aref font 5)
- (if (= open 0)
- (let ((pat (aref font 1)))
- (if (string-match "-[0-9]+-" pat)
- (string-to-number
- (substring
- pat (1+ (match-beginning 0)) (1- (match-end 0))))
- 0))
- ))))
-
- (define-ccl-program poem-ccl-decode-raw-text
- '(1
- ((r2 = 0)
- (read r0)
- (loop
- (if (r0 == ?\x0d)
- ((r2 = 1)
- (read-if (r1 == ?\x0a)
- ((r0 = ?\x0a)
- (r2 = 0)
- (write-read-repeat r0))
- ((write r0)
- (r0 = (r1 + 0))
- (repeat))))
- ((r2 = 0)
- (write-read-repeat r0)))))
- ;; This EOF BLOCK won't work out in practice. So the last datum
- ;; might be lost if it's value is ?\x0d.
- (if r2
- (write r0))
- )
- "Convert line-break code from CRLF to LF.")
-
- (define-ccl-program poem-ccl-encode-raw-text
- '(1
- ((read r0)
- (loop (write-read-repeat r0))))
- "Pass through without any conversions.")
-
- (define-ccl-program poem-ccl-encode-raw-text-CRLF
- '(2
- ((loop
- (read-if (r0 == ?\x0a)
- (write "\x0d\x0a")
- (write r0))
- (repeat))))
- "Convert line-break code from LF to CRLF.")
-
- (make-coding-system
- 'raw-text 4 ?=
- "No conversion"
- nil
- (cons poem-ccl-decode-raw-text poem-ccl-encode-raw-text))
-
- (make-coding-system
- 'raw-text-dos 4 ?=
- "No conversion"
- nil
- (cons poem-ccl-decode-raw-text poem-ccl-encode-raw-text-CRLF))
- )
- (t
- (defun poem-decode-raw-text (from to)
- (save-restriction
- (narrow-to-region from to)
- (goto-char (point-min))
- (while (re-search-forward "\r$" nil t)
- (replace-match "")
- )))
- (defun poem-encode-raw-text-CRLF (from to)
- (save-restriction
- (narrow-to-region from to)
- (goto-char (point-min))
- (while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
- (replace-match "\\1\r\n")
- )))
-
- (make-coding-system 'raw-text nil ?= "No conversion")
- (put 'raw-text 'post-read-conversion 'poem-decode-raw-text)
-
- (make-coding-system 'raw-text-dos nil ?= "No conversion")
- (put 'raw-text-dos 'post-read-conversion 'poem-decode-raw-text)
- (put 'raw-text-dos 'pre-write-conversion 'poem-encode-raw-text-CRLF)
- ))
+(if (= emacs-major-version 19)
+ ;; Suggested by SASAKI Osamu <osamu@shuugr.bekkoame.or.jp>
+ ;; (cf. [os2-emacs-ja:78])
+ (defun fontset-pixel-size (fontset)
+ (let* ((font (get-font-info
+ (aref (cdr (get-fontset-info fontset)) 0)))
+ (open (aref font 4)))
+ (if (= open 1)
+ (aref font 5)
+ (if (= open 0)
+ (let ((pat (aref font 1)))
+ (if (string-match "-[0-9]+-" pat)
+ (string-to-number
+ (substring
+ pat (1+ (match-beginning 0)) (1- (match-end 0))))
+ 0))
+ ))))
+ )
;;; @ character set
94))
-;;; @ coding system
-;;;
-
-(defun encode-coding-region (start end coding-system)
- "Encode the text between START and END to CODING-SYSTEM.
-\[EMACS 20 emulating function]"
- ;; 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]"
- ;; 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]"
- (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]"
- (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)
-
-(defalias 'set-buffer-file-coding-system 'set-file-coding-system)
-
-
-;;; @ with code-conversion
-;;;
-
-(defun insert-file-contents-as-coding-system
- (coding-system filename &optional visit beg end replace)
- "Like `insert-file-contents', q.v., but CODING-SYSTEM the first arg will
-be applied to `file-coding-system-for-read'."
- (let ((file-coding-system-for-read coding-system))
- (insert-file-contents filename visit beg end replace)))
-
-(cond
- ((and (>= emacs-major-version 19) (>= emacs-minor-version 29))
- ;; for MULE 2.3 based on Emacs 19.34.
- (defun write-region-as-coding-system
- (coding-system start end filename &optional append visit lockname)
- "Like `write-region', q.v., but CODING-SYSTEM the first arg will be
-applied to `file-coding-system'."
- (let ((file-coding-system coding-system)
- jka-compr-compression-info-list jam-zcat-filename-list)
- (write-region start end filename append visit lockname)))
-
- (defun find-file-noselect-as-coding-system
- (coding-system filename &optional nowarn rawfile)
- "Like `find-file-noselect', q.v., but CODING-SYSTEM the first arg will
-be applied to `file-coding-system-for-read'."
- (let ((file-coding-system-for-read coding-system))
- (find-file-noselect filename nowarn rawfile)))
- )
- (t
- ;; for MULE 2.3 based on Emacs 19.28 or MULE 1.*.
- (defun write-region-as-coding-system
- (coding-system start end filename &optional append visit lockname)
- "Like `write-region', q.v., but CODING-SYSTEM the first arg will be
-applied to `file-coding-system'."
- (let ((file-coding-system coding-system)
- jka-compr-compression-info-list jam-zcat-filename-list)
- (write-region start end filename append visit)))
-
- (defun find-file-noselect-as-coding-system
- (coding-system filename &optional nowarn rawfile)
- "Like `find-file-noselect', q.v., but CODING-SYSTEM the first arg will
-be applied to `file-coding-system-for-read'."
- (let ((file-coding-system-for-read coding-system))
- (find-file-noselect filename nowarn)))
- ))
-
-(defun save-buffer-as-coding-system (coding-system &optional args)
- "Like `save-buffer', q.v., but CODING-SYSTEM the first arg will be
-applied to `coding-system-for-write'."
- (let ((file-coding-system coding-system))
- (save-buffer args)))
-
-
-;;; @ without code-conversion
-;;;
-
-(make-coding-system 'binary nil ?= "No conversion")
-
-(defmacro as-binary-process (&rest body)
- (` (let (selective-display ; Disable ^M to nl translation.
- ;; Mule
- mc-flag
- (default-process-coding-system (cons *noconv* *noconv*))
- program-coding-system-alist)
- (,@ body))))
-
-(defmacro as-binary-input-file (&rest body)
- (` (let (mc-flag
- (file-coding-system-for-read *noconv*)
- )
- (,@ body))))
-
-(defmacro as-binary-output-file (&rest body)
- (` (let (mc-flag
- (file-coding-system *noconv*)
- )
- (,@ body))))
-
-(defalias 'set-process-input-coding-system 'set-process-coding-system)
-
-(defun insert-file-contents-as-binary (filename
- &optional visit beg end replace)
- "Like `insert-file-contents', q.v., but don't code and format conversion.
-Like `insert-file-contents-literary', but it allows find-file-hooks,
-automatic uncompression, etc.
-
-Namely this function ensures that only format decoding and character
-code conversion will not take place."
- (as-binary-input-file
- ;; Returns list absolute file name and length of data inserted.
- (insert-file-contents filename visit beg end replace)))
-
-(defun insert-file-contents-as-raw-text (filename
- &optional visit beg end replace)
- "Like `insert-file-contents', q.v., but don't code and format conversion.
-Like `insert-file-contents-literary', but it allows find-file-hooks,
-automatic uncompression, etc.
-Like `insert-file-contents-as-binary', but it converts line-break
-code."
- ;; Returns list absolute file name and length of data inserted.
- (insert-file-contents-as-coding-system 'raw-text
- filename visit beg end replace))
-
-(defalias 'insert-file-contents-as-raw-text-CRLF
- 'insert-file-contents-as-raw-text)
-
-(defun write-region-as-binary (start end filename
- &optional append visit lockname)
- "Like `write-region', q.v., but don't code conversion."
- (write-region-as-coding-system 'binary
- 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."
- (write-region-as-coding-system 'raw-text-dos
- start end filename append visit lockname))
-
-(defun find-file-noselect-as-binary (filename &optional nowarn rawfile)
- "Like `find-file-noselect', q.v., but don't code and format conversion."
- (find-file-noselect-as-coding-system 'binary filename nowarn rawfile))
-
-(defun find-file-noselect-as-raw-text (filename &optional nowarn rawfile)
- "Like `find-file-noselect', q.v., but it does not code and format
-conversion except for line-break code."
- (find-file-noselect-as-coding-system 'raw-text filename nowarn rawfile))
-
-(defalias 'find-file-noselect-as-raw-text-CRLF
- 'find-file-noselect-as-raw-text)
-
-(defun save-buffer-as-binary (&optional args)
- "Like `save-buffer', q.v., but don't encode."
- (let ((file-coding-system 'binary))
- (save-buffer args)))
-
-(defun save-buffer-as-raw-text-CRLF (&optional args)
- "Like `save-buffer', q.v., but save as network representation."
- (let ((file-coding-system 'raw-text-dos))
- (save-buffer args)))
-
-(defun open-network-stream-as-binary (name buffer host service)
- "Like `open-network-stream', q.v., but don't code conversion."
- (let ((process (open-network-stream name buffer host service)))
- (set-process-coding-system process *noconv* *noconv*)
- process))
-
-
;;; @ buffer representation
;;;