+;;; mule-cmds.el --- Commands for multilingual environment
+
+;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
+;; Licensed to the Free Software Foundation.
+;; Copyright (C) 1997 MORIOKA Tomohiko
+
+;; Keywords: mule, multilingual
+
+;; This file is part of XEmacs.
+
+;; XEmacs is free software; you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
+;; XEmacs is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with XEmacs; see the file COPYING. If not, write to the Free
+;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+;; 02111-1307, USA.
+
+;;; Code:
+
+;;; MULE related key bindings and menus.
+
+(defvar mule-keymap (make-sparse-keymap "MULE")
+ "Keymap for MULE (Multilingual environment) specific commands.")
+
+;; Keep "C-x C-m ..." for mule specific commands.
+(define-key ctl-x-map "\C-m" mule-keymap)
+
+(define-key mule-keymap "f" 'set-buffer-file-coding-system)
+(define-key mule-keymap "F" 'set-default-buffer-file-coding-system) ; XEmacs
+(define-key mule-keymap "t" 'set-terminal-coding-system)
+(define-key mule-keymap "k" 'set-keyboard-coding-system)
+(define-key mule-keymap "p" 'set-buffer-process-coding-system)
+(define-key mule-keymap "\C-\\" 'select-input-method)
+(define-key mule-keymap "c" 'universal-coding-system-argument)
+;;(define-key mule-keymap "c" 'list-coding-system-briefly) ; XEmacs
+(define-key mule-keymap "C" 'list-coding-system) ; XEmacs
+(define-key mule-keymap "r" 'toggle-display-direction) ; XEmacs
+(define-key mule-keymap "l" 'set-language-environment)
+
+(define-key help-map "\C-L" 'describe-language-support)
+(define-key help-map "L" 'describe-language-environment)
+(define-key help-map "\C-\\" 'describe-input-method)
+(define-key help-map "I" 'describe-input-method)
+(define-key help-map "C" 'describe-coding-system)
+(define-key help-map "h" 'view-hello-file)
+
+;; Menu for XEmacs were moved to menubar-items.el.
+
+
+;; This should be a single character key binding because users use it
+;; very frequently while editing multilingual text. Now we can use
+;; only two such keys: "\C-\\" and "\C-^", but the latter is not
+;; convenient because it requires shifting on most keyboards. An
+;; alternative is "\C-\]" which is now bound to `abort-recursive-edit'
+;; but it won't be used that frequently.
+(define-key global-map "\C-\\" 'toggle-input-method)
+
+(defun view-hello-file ()
+ "Display the HELLO file which list up many languages and characters."
+ (interactive)
+ ;; We have to decode the file in any environment.
+ (let ((coding-system-for-read 'iso-2022-7))
+ (find-file-read-only (expand-file-name "HELLO" data-directory))))
+
+(defun universal-coding-system-argument ()
+ "Execute an I/O command using the specified coding system."
+ (interactive)
+ (let* ((coding-system
+ (read-coding-system "Coding system for following command: "))
+ (keyseq (read-key-sequence
+ (format "Command to execute with %s:" coding-system)))
+ (cmd (key-binding keyseq)))
+ (let ((coding-system-for-read coding-system)
+ (coding-system-for-write coding-system))
+ (message "")
+ (call-interactively cmd))))
+
+(defun set-default-coding-systems (coding-system)
+ "Set default value of various coding systems to CODING-SYSTEM.
+The follwing coding systems are set:
+ o coding system of a newly created buffer
+ o default coding system for terminal output
+ o default coding system for keyboard input
+ o default coding system for subprocess I/O"
+ (check-coding-system coding-system)
+ ;;(setq-default buffer-file-coding-system coding-system)
+ (set-default-buffer-file-coding-system coding-system)
+ ;;(setq default-terminal-coding-system coding-system)
+ (setq terminal-coding-system coding-system)
+ ;;(setq default-keyboard-coding-system coding-system)
+ (setq keyboard-coding-system coding-system)
+ ;;(setq default-process-coding-system (cons coding-system coding-system))
+ (add-hook 'comint-exec-hook
+ `(lambda ()
+ (let ((proc (get-buffer-process (current-buffer))))
+ (set-process-input-coding-system proc ',coding-system)
+ (set-process-output-coding-system proc ',coding-system)))
+ 'append)
+ (setq file-name-coding-system coding-system))
+
+(defun prefer-coding-system (coding-system)
+ "Add CODING-SYSTEM at the front of the priority list for automatic detection.
+This also sets the following coding systems to CODING-SYSTEM:
+ o coding system of a newly created buffer
+ o default coding system for terminal output
+ o default coding system for keyboard input
+ o default coding system for subprocess I/O"
+ (interactive "zPrefer coding system: ")
+ (if (not (and coding-system (coding-system-p coding-system)))
+ (error "Invalid coding system `%s'" coding-system))
+ (let ((coding-category (coding-system-category coding-system))
+ (parent (coding-system-parent coding-system)))
+ (if (not coding-category)
+ ;; CODING-SYSTEM is no-conversion or undecided.
+ (error "Can't prefer the coding system `%s'" coding-system))
+ (set coding-category (or parent coding-system))
+ (if (not (eq coding-category (car coding-category-list)))
+ ;; We must change the order.
+ (setq coding-category-list
+ (cons coding-category
+ (delq coding-category coding-category-list))))
+ (if (and parent (interactive-p))
+ (message "Highest priority is set to %s (parent of %s)"
+ parent coding-system))
+ (set-default-coding-systems (or parent coding-system))))
+
+\f
+;;; Language support staffs.
+
+(defvar language-info-alist nil
+ "Alist of language names vs the corresponding information of various kind.
+Each element looks like:
+ (LANGUAGE-NAME . ((KEY . INFO) ...))
+where LANGUAGE-NAME is a string,
+KEY is a symbol denoting the kind of information,
+INFO is any Lisp object which contains the actual information related
+to KEY.")
+
+(defun get-language-info (language-name key)
+ "Return the information for LANGUAGE-NAME of the kind KEY.
+KEY is a symbol denoting the kind of required information."
+ (if (symbolp language-name)
+ (setq language-name (symbol-name language-name)))
+ (let ((lang-slot (assoc-ignore-case language-name language-info-alist)))
+ (if lang-slot
+ (cdr (assq key (cdr lang-slot))))))
+
+(defun set-language-info (language-name key info)
+ "Set for LANGUAGE-NAME the information INFO under KEY.
+KEY is a symbol denoting the kind of information.
+INFO is any Lisp object which contains the actual information.
+
+Currently, the following KEYs are used by Emacs:
+
+charset: list of symbols whose values are charsets specific to the language.
+
+coding-system: list of coding systems specific to the language.
+
+tutorial: a tutorial file name written in the language.
+
+sample-text: one line short text containing characters of the language.
+
+documentation: t or a string describing how Emacs supports the language.
+ If a string is specified, it is shown before any other information
+ of the language by the command `describe-language-environment'.
+
+setup-function: a function to call for setting up environment
+ convenient for a user of the language.
+
+If KEY is documentation or setup-function, you can also specify
+a cons cell as INFO, in which case, the car part should be
+a normal value as INFO for KEY (as described above),
+and the cdr part should be a symbol whose value is a menu keymap
+in which an entry for the language is defined. But, only the car part
+is actually set as the information.
+
+We will define more KEYs in the future. To avoid conflict,
+if you want to use your own KEY values, make them start with `user-'."
+ (if (symbolp language-name)
+ (setq language-name (symbol-name language-name)))
+ (let (lang-slot key-slot)
+ (setq lang-slot (assoc language-name language-info-alist))
+ (if (null lang-slot) ; If no slot for the language, add it.
+ (setq lang-slot (list language-name)
+ language-info-alist (cons lang-slot language-info-alist)))
+ (setq key-slot (assq key lang-slot))
+ (if (null key-slot) ; If no slot for the key, add it.
+ (progn
+ (setq key-slot (list key))
+ (setcdr lang-slot (cons key-slot (cdr lang-slot)))))
+ ;; Setup menu.
+ (cond ((eq key 'documentation)
+ ;; (define-key-after
+ ;; (if (consp info)
+ ;; (prog1 (symbol-value (cdr info))
+ ;; (setq info (car info)))
+ ;; describe-language-environment-map)
+ ;; (vector (intern language-name))
+ ;; (cons language-name 'describe-specified-language-support)
+ ;; t)
+ (if (consp info)
+ (setq info (car info)))
+ (when (featurep 'menubar)
+ (eval-after-load
+ "menubar-items.elc"
+ `(add-menu-button
+ '("Mule" "Describe Language Support")
+ (vector ,language-name
+ '(describe-language-environment ,language-name)
+ t))))
+ )
+ ((eq key 'setup-function)
+ ;; (define-key-after
+ ;; (if (consp info)
+ ;; (prog1 (symbol-value (cdr info))
+ ;; (setq info (car info)))
+ ;; setup-language-environment-map)
+ ;; (vector (intern language-name))
+ ;; (cons language-name 'setup-specified-language-environment)
+ ;; t)
+ (if (consp info)
+ (setq info (car info)))
+ (when (featurep 'menubar)
+ (eval-after-load
+ "menubar-items.elc"
+ `(add-menu-button
+ '("Mule" "Set Language Environment")
+ (vector ,language-name
+ '(set-language-environment ,language-name)
+ t))))
+ ))
+
+ (setcdr key-slot info)
+ ))
+
+(defun set-language-info-alist (language-name alist)
+ "Set for LANGUAGE-NAME the information in ALIST.
+ALIST is an alist of KEY and INFO. See the documentation of
+`set-language-info' for the meanings of KEY and INFO."
+ (if (symbolp language-name)
+ (setq language-name (symbol-name language-name)))
+ (while alist
+ (set-language-info language-name (car (car alist)) (cdr (car alist)))
+ (setq alist (cdr alist))))
+
+(defun read-language-name (key prompt &optional default)
+ "Read language name which has information for KEY, prompting with PROMPT.
+DEFAULT is the default choice of language.
+This returns a language name as a string."
+ (let* ((completion-ignore-case t)
+ (name (completing-read prompt
+ language-info-alist
+ (function (lambda (elm) (assq key elm)))
+ t nil default)))
+ (if (and (> (length name) 0)
+ (get-language-info name key))
+ name)))
+\f
+;;; Multilingual input methods.
+
+(defconst leim-list-file-name "leim-list.el"
+ "Name of LEIM list file.
+This file contains a list of libraries of Emacs input methods (LEIM)
+in the format of Lisp expression for registering each input method.
+Emacs loads this file at startup time.")
+
+(defvar leim-list-header (format
+";;; %s -- list of LEIM (Library of Emacs Input Method)
+;;
+;; This file contains a list of LEIM (Library of Emacs Input Method)
+;; in the same directory as this file. Loading this file registeres
+;; the whole input methods in Emacs.
+;;
+;; Each entry has the form:
+;; (register-input-method
+;; INPUT-METHOD LANGUAGE-NAME ACTIVATE-FUNC
+;; TITLE DESCRIPTION
+;; ARG ...)
+;; See the function `register-input-method' for the meanings of arguments.
+;;
+;; If this directory is included in load-path, Emacs automatically
+;; loads this file at startup time.
+
+"
+ leim-list-file-name)
+ "Header to be inserted in LEIM list file.")
+
+(defvar leim-list-entry-regexp "^(register-input-method"
+ "Regexp matching head of each entry in LEIM list file.
+See also the variable `leim-list-header'")
+
+(defvar update-leim-list-functions
+ '(quail-update-leim-list-file)
+ "List of functions to call to update LEIM list file.
+Each function is called with one arg, LEIM directory name.")
+
+(defun update-leim-list-file (&rest dirs)
+ "Update LEIM list file in directories DIRS."
+ (let ((functions update-leim-list-functions))
+ (while functions
+ (apply (car functions) dirs)
+ (setq functions (cdr functions)))))
+
+(defvar current-input-method nil
+ "The current input method for multilingual text.
+If nil, that means no input method is activated now.")
+(make-variable-buffer-local 'current-input-method)
+(put 'current-input-method 'permanent-local t)
+
+(defvar current-input-method-title nil
+ "Title string of the current input method shown in mode line.")
+(make-variable-buffer-local 'current-input-method-title)
+(put 'current-input-method-title 'permanent-local t)
+
+(defcustom default-input-method nil
+ "*Default input method for multilingual text.
+This is the input method activated automatically by the command
+`toggle-input-method' (\\[toggle-input-method])."
+ :group 'mule)
+
+(defvar input-method-history nil
+ "History list for some commands that read input methods.")
+(make-variable-buffer-local 'input-method-history)
+(put 'input-method-history 'permanent-local t)
+
+(defvar inactivate-current-input-method-function nil
+ "Function to call for inactivating the current input method.
+Every input method should set this to an appropriate value when activated.
+This function is called with no argument.
+
+This function should never change the value of `current-input-method'.
+It is set to nil by the function `inactivate-input-method'.")
+(make-variable-buffer-local 'inactivate-current-input-method-function)
+(put 'inactivate-current-input-method-function 'permanent-local t)
+
+(defvar describe-current-input-method-function nil
+ "Function to call for describing the current input method.
+This function is called with no argument.")
+(make-variable-buffer-local 'describe-current-input-method-function)
+(put 'describe-current-input-method-function 'permanent-local t)
+
+(defvar input-method-alist nil
+ "Alist of input method names vs the corresponding information to use it.
+Each element has the form:
+ (INPUT-METHOD LANGUAGE-NAME ACTIVATE-FUNC TITLE DESCRIPTION ...)
+See the function `register-input-method' for the meanings of each elements.")
+
+(defun register-input-method (input-method language-name &rest args)
+ "Register INPUT-METHOD as an input method for LANGUAGE-NAME.
+INPUT-METHOD and LANGUAGE-NAME are symbols or strings.
+The remaining arguments are:
+ ACTIVATE-FUNC, TITLE, DESCRIPTION, and ARG ...
+ where,
+ACTIVATE-FUNC is a function to call for activating this method.
+TITLE is a string shown in mode-line while this method is active,
+DESCRIPTION is a string describing about this method,
+Arguments to ACTIVATE-FUNC are INPUT-METHOD and ARGs."
+ (if (symbolp language-name)
+ (setq language-name (symbol-name language-name)))
+ (if (symbolp input-method)
+ (setq input-method (symbol-name input-method)))
+ (let ((info (cons language-name args))
+ (slot (assoc input-method input-method-alist)))
+ (if slot
+ (setcdr slot info)
+ (setq slot (cons input-method info))
+ (setq input-method-alist (cons slot input-method-alist)))))
+
+(defun read-input-method-name (prompt &optional default inhibit-null)
+ "Read a name of input method from a minibuffer prompting with PROMPT.
+If DEFAULT is non-nil, use that as the default,
+ and substitute it into PROMPT at the first `%s'.
+If INHIBIT-NULL is non-nil, null input signals an error.
+
+The return value is a string."
+ (if default
+ (setq prompt (format prompt default)))
+ (let* ((completion-ignore-case t)
+ ;; This binding is necessary because input-method-history is
+ ;; buffer local.
+ (input-method (completing-read prompt input-method-alist
+ nil t nil 'input-method-history)
+ ;;default)
+ ))
+ (if (> (length input-method) 0)
+ input-method
+ (if inhibit-null
+ (error "No valid input method is specified")))))
+
+(defun activate-input-method (input-method)
+ "Turn INPUT-METHOD on.
+If some input method is already on, turn it off at first."
+ (if (symbolp input-method)
+ (setq input-method (symbol-name input-method)))
+ (if (and current-input-method
+ (not (string= current-input-method input-method)))
+ (inactivate-input-method))
+ (unless current-input-method
+ (let ((slot (assoc input-method input-method-alist)))
+ (if (null slot)
+ (error "Can't activate input method `%s'" input-method))
+ (apply (nth 2 slot) input-method (nthcdr 5 slot))
+ (setq current-input-method input-method)
+ (setq current-input-method-title (nth 3 slot))
+ (run-hooks 'input-method-activate-hook))))
+
+(defun inactivate-input-method ()
+ "Turn off the current input method."
+ (when current-input-method
+ (if input-method-history
+ (unless (string= current-input-method (car input-method-history))
+ (setq input-method-history
+ (cons current-input-method
+ (delete current-input-method input-method-history))))
+ (setq input-method-history (list current-input-method)))
+ (unwind-protect
+ (funcall inactivate-current-input-method-function)
+ (unwind-protect
+ (run-hooks 'input-method-inactivate-hook)
+ (setq current-input-method nil
+ current-input-method-title nil)))))
+
+(defun select-input-method (input-method)
+ "Select and turn on INPUT-METHOD.
+This sets the default input method to what you specify,
+and turn it on for the current buffer."
+ (interactive
+ (let* ((default (or (car input-method-history) default-input-method)))
+ (list (read-input-method-name
+ (if default "Select input method (default %s): " "Select input method: ")
+ default t))))
+ (activate-input-method input-method)
+ (setq default-input-method input-method))
+
+(defun toggle-input-method (&optional arg)
+ "Turn on or off a multilingual text input method for the current buffer.
+
+With arg, read an input method from minibuffer and turn it on.
+
+Without arg, if some input method is currently activated, turn it off,
+else turn on an input method selected last time
+or the default input method (see `default-input-method').
+
+When there's no input method to turn on, turn on what read from minibuffer."
+ (interactive "P")
+ (let* ((default (or (car input-method-history) default-input-method)))
+ (if (and current-input-method (not arg))
+ (inactivate-input-method)
+ (activate-input-method
+ (if (or arg (not default))
+ (read-input-method-name
+ (if default "Input method (default %s): " "Input method: " )
+ default t)
+ default))
+ (or default-input-method
+ (setq default-input-method current-input-method)))))
+
+(defun describe-input-method (input-method)
+ "Describe input method INPUT-METHOD."
+ (interactive
+ (list (read-input-method-name
+ "Describe input method (default, current choice): ")))
+ (if (and input-method (symbolp input-method))
+ (setq input-method (symbol-name input-method)))
+ (if (null input-method)
+ (describe-current-input-method)
+ (with-output-to-temp-buffer "*Help*"
+ (let ((elt (assoc input-method input-method-alist)))
+ (princ (format "Input method: %s (`%s' in mode line) for %s\n %s\n"
+ input-method (nth 3 elt) (nth 1 elt) (nth 4 elt)))))))
+
+(defun describe-current-input-method ()
+ "Describe the input method currently in use."
+ (if current-input-method
+ (if (and (symbolp describe-current-input-method-function)
+ (fboundp describe-current-input-method-function))
+ (funcall describe-current-input-method-function)
+ (message "No way to describe the current input method `%s'"
+ (cdr current-input-method))
+ (ding))
+ (error "No input method is activated now")))
+
+(defun read-multilingual-string (prompt &optional initial-input
+ input-method)
+ "Read a multilingual string from minibuffer, prompting with string PROMPT.
+The input method selected last time is activated in minibuffer.
+If optional second arg INITIAL-INPUT is non-nil, insert it in the minibuffer
+initially.
+Optional 3rd argument INPUT-METHOD specifies the input method
+to be activated instead of the one selected last time. It is a symbol
+or a string."
+ (setq input-method
+ (or input-method
+ default-input-method
+ (read-input-method-name "Input method: " nil t)))
+ (if (and input-method (symbolp input-method))
+ (setq input-method (symbol-name input-method)))
+ (let ((current-input-method input-method))
+ ;; FSFmacs
+ ;; (read-string prompt initial-input nil nil t)))
+ (read-string prompt initial-input nil)))
+
+;; Variables to control behavior of input methods. All input methods
+;; should react to these variables.
+
+(defcustom input-method-verbose-flag t
+ "*If this flag is non-nil, input methods give extra guidance.
+
+The extra guidance is done by showing list of available keys in echo
+area.
+
+For complex input methods such as `chinese-py' and `japanese',
+when you use the input method in the minibuffer, the guidance is
+shown at the bottom short window (split from the existing window).
+For simple input methods, guidance is not shown
+when you are in the minibuffer."
+ :type 'boolean
+ :group 'mule)
+
+(defcustom input-method-highlight-flag t
+ "*If this flag is non-nil, input methods highlight partially-entered text.
+For instance, while you are in the middle of a Quail input method sequence,
+the text inserted so far is temporarily underlined.
+The underlining goes away when you finish or abort the input method sequence."
+ :type 'boolean
+ :group 'mule)
+
+(defvar input-method-activate-hook nil
+ "Normal hook run just after an input method is activated.
+
+The variable `current-input-method' keeps the input method name
+just activated.")
+
+(defvar input-method-inactivate-hook nil
+ "Normal hook run just after an input method is inactivated.
+
+The variable `current-input-method' still keeps the input method name
+just inacitvated.")
+
+(defvar input-method-after-insert-chunk-hook nil
+ "Normal hook run just after an input method insert some chunk of text.")
+
+(defvar input-method-exit-on-invalid-key nil
+ "This flag controls the behaviour of an input method on invalid key input.
+Usually, when a user types a key which doesn't start any character
+handled by the input method, the key is handled by turning off the
+input method temporalily. After the key is handled, the input method is
+back on.
+But, if this flag is non-nil, the input method is never back on.")
+
+\f
+(defun setup-specified-language-environment ()
+ "Set up multi-lingual environment convenient for the specified language."
+ (interactive)
+ (let (language-name)
+ (if (and (symbolp last-command-event)
+ (or (not (eq last-command-event 'Default))
+ (setq last-command-event 'English))
+ (setq language-name (symbol-name last-command-event)))
+ (set-language-environment language-name)
+ (error "Bogus calling sequence"))))
+
+(defvar current-language-environment "English"
+ "The last language environment specified with `set-language-environment'.")
+
+(defun set-language-environment (language-name)
+ "Set up multi-lingual environment for using LANGUAGE-NAME.
+This sets the coding system priority and the default input method
+and sometimes other things."
+ (interactive (list (read-language-name 'setup-function
+ "Set language environment: ")))
+ (if language-name
+ (if (symbolp language-name)
+ (setq language-name (symbol-name language-name)))
+ (setq language-name "English"))
+ (if (null (get-language-info language-name 'setup-function))
+ (error "Language environment not defined: %S" language-name))
+ (funcall (get-language-info language-name 'setup-function))
+ (setq current-language-environment language-name)
+ (force-mode-line-update t))
+
+;; Print all arguments with `princ', then print "\n".
+(defsubst princ-list (&rest args)
+ (while args (princ (car args)) (setq args (cdr args)))
+ (princ "\n"))
+
+;; Print a language specific information such as input methods,
+;; charsets, and coding systems. This function is intended to be
+;; called from the menu:
+;; [menu-bar mule describe-language-environment LANGUAGE]
+;; and should not run it by `M-x describe-current-input-method-function'.
+(defun describe-specified-language-support ()
+ "Describe how Emacs supports the specified language environment."
+ (interactive)
+ (let (language-name)
+ (if (not (and (symbolp last-command-event)
+ (setq language-name (symbol-name last-command-event))))
+ (error "Bogus calling sequence"))
+ (describe-language-environment language-name)))
+
+(defun describe-language-environment (language-name)
+ "Describe how Emacs supports language environment LANGUAGE-NAME."
+ (interactive
+ (list (read-language-name
+ 'documentation
+ "Describe language environment (default, current choise): ")))
+ (if (null language-name)
+ (setq language-name current-language-environment))
+ (if (or (null language-name)
+ (null (get-language-info language-name 'documentation)))
+ (error "No documentation for the specified language"))
+ (if (symbolp language-name)
+ (setq language-name (symbol-name language-name)))
+ (let ((doc (get-language-info language-name 'documentation)))
+ (with-output-to-temp-buffer "*Help*"
+ (if (stringp doc)
+ (progn
+ (princ-list doc)
+ (terpri)))
+ (let ((str (get-language-info language-name 'sample-text)))
+ (if (stringp str)
+ (progn
+ (princ "Sample text:\n")
+ (princ-list " " str)
+ (terpri))))
+ (princ "Input methods:\n")
+ (let ((l input-method-alist))
+ (while l
+ (if (string= language-name (nth 1 (car l)))
+ (princ-list " " (car (car l))
+ (format " (`%s' in mode line)" (nth 3 (car l)))))
+ (setq l (cdr l))))
+ (terpri)
+ (princ "Character sets:\n")
+ (let ((l (get-language-info language-name 'charset)))
+ (if (null l)
+ (princ-list " nothing specific to " language-name)
+ (while l
+ (princ-list " " (car l) ": "
+ (charset-description (car l)))
+ (setq l (cdr l)))))
+ (terpri)
+ (princ "Coding systems:\n")
+ (let ((l (get-language-info language-name 'coding-system)))
+ (if (null l)
+ (princ-list " nothing specific to " language-name)
+ (while l
+ (princ ; (format " %s (`%c' in mode line):\n\t%s\n"
+ ;; In XEmacs, `coding-system-mnemonic' returns string.
+ (format " %s (`%s' in mode line):\n\t%s\n"
+ (car l)
+ (coding-system-mnemonic (car l))
+ (coding-system-doc-string (car l))))
+ (setq l (cdr l))))))))
+\f
+;;; Charset property
+
+;; (defsubst get-charset-property (charset propname)
+;; "Return the value of CHARSET's PROPNAME property.
+;; This is the last value stored with
+;; `(put-charset-property CHARSET PROPNAME VALUE)'."
+;; (plist-get (charset-plist charset) propname))
+
+;; (defsubst put-charset-property (charset propname value)
+;; "Store CHARSETS's PROPNAME property with value VALUE.
+;; It can be retrieved with `(get-charset-property CHARSET PROPNAME)'."
+;; (set-charset-plist charset
+;; (plist-put (charset-plist charset) propname value)))
+
+(defvar char-code-property-table
+ (make-char-table 'generic)
+ "Char-table containing a property list of each character code.
+;;
+See also the documentation of `get-char-code-property' and
+`put-char-code-property'")
+;; (let ((plist (aref char-code-property-table char)))
+(defun get-char-code-property (char propname)
+ "Return the value of CHAR's PROPNAME property in `char-code-property-table'."
+ (let ((plist (get-char-table char char-code-property-table)))
+ (if (listp plist)
+ (car (cdr (memq propname plist))))))
+
+(defun put-char-code-property (char propname value)
+ "Store CHAR's PROPNAME property with VALUE in `char-code-property-table'.
+It can be retrieved with `(get-char-code-property CHAR PROPNAME)'."
+ (let ((plist (get-char-table char char-code-property-table)))
+ (if plist
+ (let ((slot (memq propname plist)))
+ (if slot
+ (setcar (cdr slot) value)
+ (nconc plist (list propname value))))
+ (put-char-table char (list propname value) char-code-property-table)
+ )))
+;; (setcar (cdr slot) value)
+;; (nconc plist (list propname value))))
+;; (aset char-code-property-table char (list propname value)))))
+
+;;; mule-cmds.el ends here
projects / chise / xemacs-chise.git.1 / commitdiff