;;; poem-om.el --- poem implementation for Mule 1.* and Mule 2.*
-;; Copyright (C) 1995,1996,1997,1998 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
;; This file is part of APEL (A Portable Emacs Library).
;;; @ 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))
- ))))
- ))
+(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)
-
-
-;;; @ without code-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."
- (save-excursion
- (save-restriction
- (narrow-to-region (point)(point))
- (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)
- "Like `insert-file-contents-literally', q.v., but don't code conversion.
-A buffer may be modified in several ways after reading into the buffer due
-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."
- (as-binary-input-file
- ;; Returns list absolute file name and length of data inserted.
- (insert-file-contents-literally filename visit beg end replace)))
-
-(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."
- (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))))
- ))
-
-
;;; @ buffer representation
;;;
"Return index of character succeeding CHAR whose index is INDEX."
(` (+ (, index) (char-bytes (, char)))))
-(if (subr-fboundp 'char-before)
- (condition-case err
- (char-before)
- (error
- (when (and (eq (car (get (car err) 'error-conditions))
- 'wrong-number-of-arguments)
- (not (boundp 'si:char-before)))
- (fset 'si:char-before (symbol-function 'char-before))
- (defun char-before (&optional pos)
- "Return character in current buffer preceding position POS.
-POS is an integer or a buffer pointer.
-If POS is out of range, the value is nil."
- (si:char-before (or pos (point)))
- )))))
-
-(if (subr-fboundp 'char-after)
- (condition-case err
- (char-after)
- (error
- (when (and (eq (car (get (car err) 'error-conditions))
- 'wrong-number-of-arguments)
- (not (boundp 'si:char-after)))
- (fset 'si:char-after (symbol-function 'char-after))
- (defun char-after (&optional pos)
- "Return character in current buffer at position POS.
-POS is an integer or a buffer pointer.
-If POS is out of range, the value is nil."
- (si:char-after (or pos (point)))
- )))))
;;; @@ obsoleted aliases
;;;
(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)
- "\
+;; Imported from Mule-2.3
+(defun-maybe 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)
;;; @ end
;;;
-(provide 'poem-om)
+(require 'product)
+(product-provide (provide 'poem-om) (require 'apel-ver))
;;; poem-om.el ends here