X-Git-Url: http://git.chise.org/gitweb/?p=elisp%2Fapel.git;a=blobdiff_plain;f=emu.el;h=b6c36dcbe6746e19e1f5e895a1fc9f99cbfcea16;hp=7aef62200cb5441b979cfc5c1190ca4bab2314ab;hb=8b0dbe5092ae30b5092d7abf96649f96635d1060;hpb=e2d90faf7ea70d86768c62a99f97d62636ff7b9b diff --git a/emu.el b/emu.el index 7aef622..b6c36dc 100644 --- a/emu.el +++ b/emu.el @@ -3,7 +3,7 @@ ;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. ;; Author: MORIOKA Tomohiko -;; Keywords: emulation, compatibility, NEmacs, MULE, Emacs/mule, XEmacs +;; Keywords: emulation, compatibility, Nemacs, MULE, Emacs/mule, XEmacs ;; This file is part of emu. @@ -19,69 +19,15 @@ ;; You should have received a copy of the GNU General Public License ;; along with GNU Emacs; see the file COPYING. If not, write to the -;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, -;; Boston, MA 02111-1307, USA. +;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301, USA. ;;; Code: -(defmacro defun-maybe (name &rest everything-else) - (or (and (fboundp name) - (not (get name 'defun-maybe)) - ) - (` (or (fboundp (quote (, name))) - (progn - (defun (, name) (,@ everything-else)) - (put (quote (, name)) 'defun-maybe t) - )) - ))) - -(defmacro defsubst-maybe (name &rest everything-else) - (or (and (fboundp name) - (not (get name 'defsubst-maybe)) - ) - (` (or (fboundp (quote (, name))) - (progn - (defsubst (, name) (,@ everything-else)) - (put (quote (, name)) 'defsubst-maybe t) - )) - ))) - -(defmacro defmacro-maybe (name &rest everything-else) - (or (and (fboundp name) - (not (get name 'defmacro-maybe)) - ) - (` (or (fboundp (quote (, name))) - (progn - (defmacro (, name) (,@ everything-else)) - (put (quote (, name)) 'defmacro-maybe t) - )) - ))) - -(put 'defun-maybe 'lisp-indent-function 'defun) -(put 'defsubst-maybe 'lisp-indent-function 'defun) -(put 'defmacro-maybe 'lisp-indent-function 'defun) - -(defmacro defconst-maybe (name &rest everything-else) - (or (and (boundp name) - (not (get name 'defconst-maybe)) - ) - (` (or (boundp (quote (, name))) - (progn - (defconst (, name) (,@ everything-else)) - (put (quote (, name)) 'defconst-maybe t) - )) - ))) - - -(defconst-maybe emacs-major-version (string-to-int emacs-version)) -(defconst-maybe emacs-minor-version - (string-to-int - (substring emacs-version - (string-match (format "%d\\." emacs-major-version) - emacs-version)))) +(require 'poe) (defvar running-emacs-18 (<= emacs-major-version 18)) -(defvar running-xemacs (string-match "XEmacs" emacs-version)) +(defvar running-xemacs (featurep 'xemacs)) (defvar running-mule-merged-emacs (and (not (boundp 'MULE)) (not running-xemacs) (featurep 'mule))) @@ -102,218 +48,160 @@ (cond (running-xemacs ;; for XEmacs - (cond ((featurep 'mule) - ;; for XEmacs with MULE - (require 'emu-x20) - ) - (t - ;; for XEmacs without MULE - (require 'emu-xemacs) - (require 'emu-latin1) - )) - ) - (running-mule-merged-emacs - ;; for Emacs 20.1 and 20.2 - (require 'emu-e20) - ) - ((boundp 'MULE) - ;; for MULE 1.* and 2.* - (require 'emu-mule) + (defvar mouse-button-1 'button1) + (defvar mouse-button-2 'button2) + (defvar mouse-button-3 'button3) ) - ((boundp 'NEMACS) - ;; for NEmacs and NEpoch - (require 'emu-nemacs) + ((>= emacs-major-version 19) + ;; mouse + (defvar mouse-button-1 [mouse-1]) + (defvar mouse-button-2 [mouse-2]) + (defvar mouse-button-3 [down-mouse-3]) ) (t - ;; for Emacs 19 - (require 'emu-e19) - (require 'emu-latin1) + ;; mouse + (defvar mouse-button-1 nil) + (defvar mouse-button-2 nil) + (defvar mouse-button-3 nil) )) - -;;; @ MIME charset -;;; - -(defun charsets-to-mime-charset (charsets) - "Return MIME charset from list of charset CHARSETS. -This function refers variable `charsets-mime-charset-alist' -and `default-mime-charset'." - (if charsets - (or (catch 'tag - (let ((rest charsets-mime-charset-alist) - cell) - (while (setq cell (car rest)) - (if (catch 'not-subset - (let ((set1 charsets) - (set2 (car cell)) - obj) - (while set1 - (setq obj (car set1)) - (or (memq obj set2) - (throw 'not-subset nil) - ) - (setq set1 (cdr set1)) - ) - t)) - (throw 'tag (cdr cell)) - ) - (setq rest (cdr rest)) - ))) - default-mime-charset))) - - -;;; @ Emacs 19 emulation -;;; - -(defun-maybe minibuffer-prompt-width () - "Return the display width of the minibuffer prompt." - (save-excursion - (set-buffer (window-buffer (minibuffer-window))) - (current-column) - )) - - -;;; @ Emacs 19.29 emulation -;;; - -(defvar path-separator ":" - "Character used to separate concatenated paths.") - -(defun-maybe buffer-substring-no-properties (start end) - "Return the characters of part of the buffer, without the text properties. -The two arguments START and END are character positions; -they can be in either order. [Emacs 19.29 emulating function]" - (let ((string (buffer-substring start end))) - (set-text-properties 0 (length string) nil string) - string)) - -(defun-maybe match-string (num &optional string) - "Return string of text matched by last search. -NUM specifies which parenthesized expression in the last regexp. - Value is nil if NUMth pair didn't match, or there were less than NUM pairs. -Zero means the entire text matched by the whole regexp or whole string. -STRING should be given if the last search was by `string-match' on STRING. -\[Emacs 19.29 emulating function]" - (if (match-beginning num) - (if string - (substring string (match-beginning num) (match-end num)) - (buffer-substring (match-beginning num) (match-end num))))) - -(or running-emacs-19_29-or-later - running-xemacs - ;; for Emacs 19.28 or earlier - (fboundp 'si:read-string) - (progn - (fset 'si:read-string (symbol-function 'read-string)) - - (defun read-string (prompt &optional initial-input history) - "Read a string from the minibuffer, prompting with string PROMPT. -If non-nil, second arg INITIAL-INPUT is a string to insert before reading. -The third arg HISTORY, is dummy for compatibility. [emu.el] -See `read-from-minibuffer' for details of HISTORY argument." - (si:read-string prompt initial-input) - ) - )) - - -;;; @ Emacs 19.30 emulation -;;; - -;; This function was imported Emacs 19.30. -(defun-maybe add-to-list (list-var element) - "Add to the value of LIST-VAR the element ELEMENT if it isn't there yet. -If you want to use `add-to-list' on a variable that is not defined -until a certain package is loaded, you should put the call to `add-to-list' -into a hook function that will be run only after loading the package. -\[Emacs 19.30 emulating function]" - (or (member element (symbol-value list-var)) - (set list-var (cons element (symbol-value list-var))) - )) - -(cond ((fboundp 'insert-file-contents-literally) +;; for tm-7.106 +(unless (fboundp 'tl:make-overlay) + (defalias 'tl:make-overlay 'make-overlay) + (make-obsolete 'tl:make-overlay 'make-overlay) + ) +(unless (fboundp 'tl:overlay-put) + (defalias 'tl:overlay-put 'overlay-put) + (make-obsolete 'tl:overlay-put 'overlay-put) + ) +(unless (fboundp 'tl:overlay-buffer) + (defalias 'tl:overlay-buffer 'overlay-buffer) + (make-obsolete 'tl:overlay-buffer 'overlay-buffer) + ) + +(require 'poem) +(require 'mcharset) +(require 'invisible) + +(defsubst char-list-to-string (char-list) + "Convert list of character CHAR-LIST to string." + (apply (function string) char-list)) + +(cond ((featurep 'mule) + (cond ((featurep 'xemacs) ; for XEmacs with MULE + ;; old Mule emulating aliases + + ;;(defalias 'char-leading-char 'char-charset) + + (defun char-category (character) + "Return string of category mnemonics for CHAR in TABLE. +CHAR can be any multilingual character +TABLE defaults to the current buffer's category table." + (mapconcat (lambda (chr) + (if (integerp chr) + (char-to-string (int-char chr)) + (char-to-string chr))) + ;; `char-category-list' returns a list of + ;; characters in XEmacs 21.2.25 and later, + ;; otherwise integers. + (char-category-list character) + "")) + ) + ((>= emacs-major-version 20) ; for Emacs 20 + (defalias 'insert-binary-file-contents-literally + 'insert-file-contents-literally) + + ;; old Mule emulating aliases + (defun char-category (character) + "Return string of category mnemonics for CHAR in TABLE. +CHAR can be any multilingual character +TABLE defaults to the current buffer's category table." + (category-set-mnemonics (char-category-set character))) + ) + (t ; for MULE 1.* and 2.* + (require 'emu-mule) + )) ) - ((boundp 'file-name-handler-alist) - (defun insert-file-contents-literally - (filename &optional visit beg end replace) - "Like `insert-file-contents', q.v., but only reads in the file. -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. -\[Emacs 19.30 emulating function]" - (let (file-name-handler-alist) - (insert-file-contents filename visit beg end replace) + ((boundp 'NEMACS) + ;; for Nemacs and Nepoch + + ;; old MULE emulation + (defconst *noconv* 0) + (defconst *sjis* 1) + (defconst *junet* 2) + (defconst *ctext* 2) + (defconst *internal* 3) + (defconst *euc-japan* 3) + + (defun code-convert-string (str ic oc) + "Convert code in STRING from SOURCE code to TARGET code, +On successful conversion, returns the result string, +else returns nil." + (if (not (eq ic oc)) + (convert-string-kanji-code str ic oc) + str)) + + (defun code-convert-region (beg end ic oc) + "Convert code of the text between BEGIN and END from SOURCE +to TARGET. On successful conversion returns t, +else returns nil." + (if (/= ic oc) + (save-excursion + (save-restriction + (narrow-to-region beg end) + (convert-region-kanji-code beg end ic oc))) )) ) (t - (defalias 'insert-file-contents-literally 'insert-file-contents) + ;; for Emacs 19 and XEmacs without MULE + + ;; old MULE emulation + (defconst *internal* nil) + (defconst *ctext* nil) + (defconst *noconv* nil) + + (defun code-convert-string (str ic oc) + "Convert code in STRING from SOURCE code to TARGET code, +On successful conversion, returns the result string, +else returns nil. [emu-latin1.el; old MULE emulating function]" + str) + + (defun code-convert-region (beg end ic oc) + "Convert code of the text between BEGIN and END from SOURCE +to TARGET. On successful conversion returns t, +else returns nil. [emu-latin1.el; old MULE emulating function]" + t) )) -;;; @ Emacs 19.31 emulation +;;; @ Mule emulating aliases ;;; +;;; You should not use it. -(defun-maybe buffer-live-p (object) - "Return non-nil if OBJECT is a buffer which has not been killed. -Value is nil if OBJECT is not a buffer or if it has been killed. -\[Emacs 19.31 emulating function]" - (and object - (get-buffer object) - (buffer-name (get-buffer object)) - )) - -;; This macro was imported Emacs 19.33. -(defmacro-maybe save-selected-window (&rest body) - "Execute BODY, then select the window that was selected before BODY. -\[Emacs 19.31 emulating function]" - (list 'let - '((save-selected-window-window (selected-window))) - (list 'unwind-protect - (cons 'progn body) - (list 'select-window 'save-selected-window-window)))) +(or (boundp '*noconv*) + (defconst *noconv* 'binary + "Coding-system for binary. +This constant is defined to emulate old MULE anything older than MULE 2.3. +It is obsolete, so don't use it.")) -;;; @ XEmacs emulation +;;; @ without code-conversion ;;; -(defun-maybe functionp (obj) - "Returns t if OBJ is a function, nil otherwise. -\[XEmacs emulating function]" - (or (subrp obj) - (byte-code-function-p obj) - (and (symbolp obj)(fboundp obj)) - (and (consp obj)(eq (car obj) 'lambda)) - )) - -(defun-maybe point-at-eol (&optional arg buffer) - "Return the character position of the last character on the current line. -With argument N not nil or 1, move forward N - 1 lines first. -If scan reaches end of buffer, return that position. -This function does not move point. [XEmacs emulating function]" - (save-excursion - (if buffer - (set-buffer buffer) - ) - (if arg - (forward-line (1- arg)) - ) - (end-of-line) - (point) - )) - - -;;; @ for XEmacs 20 -;;; +(defalias 'insert-binary-file-contents 'insert-file-contents-as-binary) +(make-obsolete 'insert-binary-file-contents 'insert-file-contents-as-binary) -(or (fboundp 'char-int) - (fset 'char-int (symbol-function 'identity)) - ) -(or (fboundp 'int-char) - (fset 'int-char (symbol-function 'identity)) - ) -(or (fboundp 'char-or-char-int-p) - (fset 'char-or-char-int-p (symbol-function 'integerp)) - ) +(defun-maybe 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))) ;;; @ for text/richtext and text/enriched @@ -340,10 +228,35 @@ This function does not move point. [XEmacs emulating function]" (autoload 'enriched-decode "tinyrich") )) +(if (or (and (eq emacs-major-version 19) + (>= emacs-minor-version (if (featurep 'xemacs) 14 29))) + (and (eq emacs-major-version 20) + (< emacs-minor-version (if (featurep 'xemacs) 3 1)))) + (eval-after-load "enriched" + '(if (fboundp 'si:enriched-encode) + nil + (fset 'si:enriched-encode (symbol-function 'enriched-encode)) + (defun enriched-encode (from to &optional orig-buf) + (let* ((si:enriched-initial-annotation enriched-initial-annotation) + (enriched-initial-annotation + (if (stringp si:enriched-initial-annotation) + si:enriched-initial-annotation + (function + (lambda () + (save-excursion + ;; Eval this in the buffer we are annotating. This + ;; fixes a bug which was saving incorrect File-Width + ;; information, since we were looking at local + ;; variables in the wrong buffer. + (if orig-buf (set-buffer orig-buf)) + (funcall si:enriched-initial-annotation))))))) + (si::enriched-encode from to)))))) + ;;; @ end ;;; -(provide 'emu) +(require 'product) +(product-provide (provide 'emu) (require 'apel-ver)) ;;; emu.el ends here