;; in `write-region-annotate-functions', i.e. FROM and TO specifying
;; region of a text.
;;
-;; o character-unification-table-for-decode
+;; o character-translation-table-for-decode
;;
-;; The value is a unification table to be applied on decoding. See
-;; the function `make-unification-table' for the format of unification
-;; table.
+;; The value is a character translation table to be applied on
+;; decoding. See the function `make-translation-table' for the format
+;; of translation table.
;;
-;; o character-unification-table-for-encode
+;; o character-translation-table-for-encode
;;
-;; The value is a unification table to be applied on encoding.
+;; The value is a character translation table to be applied on
+;; encoding.
;;
;; o safe-charsets
;;
;; mean that the charset can't be encoded in the coding system,
;; instead, it just means that some other receiver of a text encoded
;; in the coding system won't be able to handle that charset.
-
+;;
+;; o mime-charset
+;;
+;; The value is a symbol of which name is `MIME-charset' parameter of
+;; the coding system.
;; Return coding-spec of CODING-SYSTEM
(defsubst coding-system-spec (coding-system)
(set-process-coding-system proc decoding encoding)))
(force-mode-line-update))
+(defun set-clipboard-coding-system (coding-system)
+ "Make CODING-SYSTEM used for communicating with other X clients .
+When sending or receiving text via cut_buffer, selection, and clipboard,
+the text is encoded or decoded by CODING-SYSTEM."
+ (check-coding-system coding-system)
+ (setq clipboard-coding-system coding-system))
+
(defun set-coding-priority (arg)
"Set priority of coding categories according to LIST.
LIST is a list of coding categories ordered by priority."
(cons (cons regexp coding-system)
network-coding-system-alist)))))))
-(defun make-unification-table (&rest args)
- "Make a unification table (char table) from arguments.
+(defun make-translation-table (&rest args)
+ "Make a character translation table (char table) from arguments.
Each argument is a list of the form (FROM . TO),
-where FROM is a character to be unified to TO.
+where FROM is a character to be translated to TO.
FROM can be a generic character (see make-char). In this case, TO is
a generic character containing the same number of charcters or a
oridinal character. If FROM and TO are both generic characters, all
-characters belonging to FROM are unified to characters belonging to TO
+characters belonging to FROM are translated to characters belonging to TO
without changing their position code(s)."
- (let ((table (make-char-table 'character-unification-table))
+ (let ((table (make-char-table 'character-translation-table))
revlist)
(while args
(let ((elts (car args)))
(setq to-i (1+ to-i) to-rev (cdr to-rev)))
(if (and (/= from-i to-i) (/= to-i 0))
(error "Invalid character pair (%d . %d)" from to))
- ;; If we have already unified TO to TO-ALT, FROM should
- ;; also be unified to TO-ALT. But, this is only if TO is
- ;; a generic character or TO-ALT is not a generic
+ ;; If we have already translated TO to TO-ALT, FROM should
+ ;; also be translated to TO-ALT. But, this is only if TO
+ ;; is a generic character or TO-ALT is not a generic
;; character.
(let ((to-alt (aref table to)))
(if (and to-alt
(if (> from-i 0)
(set-char-table-default table from to)
(aset table from to))
- ;; If we have already unified some chars to FROM, they
- ;; should also be unified to TO.
+ ;; If we have already translated some chars to FROM, they
+ ;; should also be translated to TO.
(let ((l (assq from revlist)))
(if l
(let ((ch (car l)))
;; Return TABLE just created.
table))
-(defun define-character-unification-table (symbol &rest args)
- "define character unification table. This function call make-unification-table,
-store a returned table to character-unification-table-vector.
-And then set the table as SYMBOL's unification-table property,
-the index of the vector as SYMBOL's unification-table-id."
- (let ((table (apply 'make-unification-table args))
- (len (length character-unification-table-vector))
+(defun define-character-translation-table (symbol &rest args)
+ "Define SYMBOL as a name of character translation table makde by ARGS.
+
+See the documentation of the function `make-translation-table' for the
+meaning of ARGS.
+
+This function sets properties character-translation-table and
+character-translation-table-id of SYMBOL to the created table itself
+and identification number of the table respectively."
+ (let ((table (apply 'make-translation-table args))
+ (len (length character-translation-table-vector))
(id 0)
- slot)
- (or (symbolp symbol)
- (signal 'wrong-type-argument symbol))
- (put symbol 'unification-table table)
- (while (and (< id len)
- (if (consp (setq slot (aref character-unification-table-vector id)))
- (if (eq (car slot) symbol) nil t)
- (aset character-unification-table-vector id (cons symbol table))
- nil))
+ (done nil))
+ (put symbol 'character-translation-table table)
+ (while (not done)
+ (if (>= id len)
+ (setq character-translation-table-vector
+ (vconcat character-translation-table-vector
+ (make-vector len nil))))
+ (let ((slot (aref character-translation-table-vector id)))
+ (if (or (not slot)
+ (eq (car slot) symbol))
+ (progn
+ (aset character-translation-table-vector id (cons symbol table))
+ (setq done t))))
(setq id (1+ id)))
- (if (= id len)
- (progn
- (setq character-unification-table-vector
- (vconcat character-unification-table-vector (make-vector len nil)))
- (aset character-unification-table-vector id (cons symbol table))))
- (put symbol 'unification-table-id id)
+ (put symbol 'character-translation-table-id id)
id))
-
;;; Initialize some variables.
(put 'use-default-ascent 'char-table-extra-slots 0)
HCoop / bpt / emacs.git / commitdiff