(unidata-prop-alist): Set `numric-value'

property generator to unidata-gen-table-numeric.
(unidata-get-numeric, unidata-put-numeric)
(unidata-gen-table-numeric): New functions.
(unidata-encode-val): Use assoc to get a slot in VAL-LIST.
This commit is contained in:
Kenichi Handa 2008-12-01 11:39:09 +00:00
parent d6be7497c4
commit dd787998bf

View file

@ -179,7 +179,7 @@ Property value is an integer.")
"Unicode numeric value (digit).
Property value is an integer.")
(numeric-value
8 unidata-gen-table-symbol "uni-numeric.el"
8 unidata-gen-table-numeric "uni-numeric.el"
"Unicode numeric value (numeric).
Property value is a symbol.")
(mirrored
@ -393,6 +393,34 @@ Property value is a character."
(setq first-char (1+ first-char))))
this-val)))))
;; Return a numeric-type (integer or float) character property value
;; of CHAR. VAL is the current value of (aref TABLE CHAR).
(defun unidata-get-numeric (char val table)
(cond
((numberp val)
val)
((stringp val)
(let ((val-table (char-table-extra-slot table 4))
(first-char (lsh (lsh char -7) 7))
(str val)
(len (length val))
(idx 0)
this-val count)
(while (< idx len)
(setq val (aref str idx) idx (1+ idx)
count (if (< idx len) (aref str idx) 1))
(setq val (and (> val 0) (aref val-table (1- val)))
count (if (< count 128)
1
(prog1 (- count 128) (setq idx (1+ idx)))))
(dotimes (i count)
(aset table first-char val)
(if (= first-char char)
(setq this-val val))
(setq first-char (1+ first-char))))
this-val))))
;; Store VAL (symbol) as a character property value of CHAR in TABLE.
(defun unidata-put-symbol (char val table)
@ -416,6 +444,19 @@ Property value is a character."
(funcall (char-table-extra-slot table 1) char current-val table))
(aset table char val))))
;; Store VAL (integer or float) as a character property value of CHAR
;; in TABLE.
(defun unidata-put-numeric (char val table)
(or (numberp val)
(not val)
(error "Not a number nor nil: %S" val))
(let ((current-val (aref table char)))
(unless (equal current-val val)
(if (stringp current-val)
(funcall (char-table-extra-slot table 1) char current-val table))
(aset table char val))))
;; Encode the character property value VAL into an integer value by
;; VAL-LIST. By side effect, VAL-LIST is modified.
;; VAL-LIST has this form:
@ -425,7 +466,7 @@ Property value is a character."
;; (t (VAL . (1+ VAL-CODE1)) (VAL1 . VAL-CODE1) (VAL2 . VAL-CODE2) ...)
(defun unidata-encode-val (val-list val)
(let ((slot (assq val val-list))
(let ((slot (assoc val val-list))
val-code)
(if slot
(cdr slot)
@ -519,6 +560,22 @@ Property value is a character."
(set-char-table-extra-slot table 2 (symbol-function 'unidata-put-integer))
table))
(defun unidata-gen-table-numeric (prop)
(let ((table (unidata-gen-table prop
#'(lambda (x)
(if (string-match "/" x)
(/ (float (string-to-number x))
(string-to-number
(substring x (match-end 0))))
(if (> (length x) 0)
(string-to-number x))))
t)))
(byte-compile 'unidata-get-numeric)
(byte-compile 'unidata-put-numeric)
(set-char-table-extra-slot table 1 (symbol-function 'unidata-get-numeric))
(set-char-table-extra-slot table 2 (symbol-function 'unidata-put-numeric))
table))
;; WORD-LIST TABLE