(char-attributes-poly<): New function.

(char-daikanwa-strokes): Likewise.
(char-daikanwa): Likewise.
(char-ucs): Likewise.
(char-id): Likewise.
(ideograph-char<): New implementation [use `char-attributes-poly<'].

diff --git a/lisp/utf-2000/ideograph-util.el b/lisp/utf-2000/ideograph-util.el
index d00f60d..5e80f57 100644 (file)
--- a/lisp/utf-2000/ideograph-util.el
+++ b/lisp/utf-2000/ideograph-util.el
@@ -128,6 +128,16 @@
             t
           (int-list< a b)))))
 
+;; (defun nil=-int< (a b)
+;;   (cond ((null a) nil)
+;;         ((null b) nil)
+;;         (t (< a b))))
+
+;; (defun nil>-int< (a b)
+;;   (cond ((null a) nil)
+;;         ((null b) t)
+;;         (t (< a b))))
+
 (defun char-representative-of-daikanwa (char)
   (if (get-char-attribute char 'ideograph-daikanwa)
       char
@@ -146,60 +156,64 @@
                                    'morohashi-daikanwa))))
          char))))
 
+(defun char-attributes-poly< (c1 c2 accessors testers defaulters)
+  (catch 'tag
+    (let (a1 a2 accessor tester dm)
+      (while (and accessors testers)
+       (setq accessor (car accessors)
+             tester (car testers)
+             dm (car defaulters))
+       (when (and accessor tester)
+         (setq a1 (funcall accessor c1)
+               a2 (funcall accessor c2))
+         (cond ((null a1)
+                (if a2
+                    (cond ((eq dm '<)
+                           (throw 'tag t))
+                          ((eq dm '>)
+                           (throw 'tag nil)))))
+               ((null a2)
+                (cond ((eq dm '<)
+                       (throw 'tag nil))
+                      ((eq dm '>)
+                       (throw 'tag t))))
+               (t
+                (cond ((funcall tester a1 a2)
+                       (throw 'tag t))
+                      ((funcall tester a2 a1)
+                       (throw 'tag nil))))))
+       (setq accessors (cdr accessors)
+             testers (cdr testers)
+             defaulters (cdr defaulters))))))
+
+(defun char-daikanwa-strokes (char)
+  (let ((drc (char-representative-of-daikanwa char)))
+    (char-ideographic-strokes
+     (if (= (get-char-attribute drc 'ideographic-radical)
+           (get-char-attribute char 'ideographic-radical))
+        drc
+       char))))
+
+;;;###autoload
+(defun char-daikanwa (char)
+  (or (get-char-attribute char 'ideograph-daikanwa)
+      (get-char-attribute char 'morohashi-daikanwa)))
+
+;;;###autoload
+(defun char-ucs (char)
+  (or (get-char-attribute char 'ucs)
+      (get-char-attribute char '=>ucs)
+      (get-char-attribute char '->ucs)))
+
+(defun char-id (char)
+  (logand (char-int char) #x3FFFFFFF))
+
 (defun ideograph-char< (a b)
-  (let (a-m b-m a-s b-s a-u b-u ret)
-    (setq ret (char-representative-of-daikanwa a))
-    (setq a-s (char-ideographic-strokes
-              (if (= (get-char-attribute ret 'ideographic-radical)
-                     (get-char-attribute a 'ideographic-radical))
-                  ret
-                a)))
-    (setq ret (char-representative-of-daikanwa b))
-    (setq b-s (char-ideographic-strokes
-              (if (= (get-char-attribute ret 'ideographic-radical)
-                     (get-char-attribute b 'ideographic-radical))
-                  ret
-                b)))
-    (if a-s
-       (if b-s
-           (if (= a-s b-s)
-               (if (setq a-m (or (get-char-attribute a 'ideograph-daikanwa)
-                                 (get-char-attribute a 'morohashi-daikanwa)))
-                   (if (setq b-m
-                             (or (get-char-attribute b 'ideograph-daikanwa)
-                                 (get-char-attribute b 'morohashi-daikanwa)))
-                       (morohashi-daikanwa< a-m b-m)
-                     t)
-                 (if (setq b-m
-                           (or (get-char-attribute b 'ideograph-daikanwa)
-                               (get-char-attribute b 'morohashi-daikanwa)))
-                     nil
-                   (setq a-u (get-char-attribute a 'ucs)
-                         b-u (get-char-attribute b 'ucs))
-                   (if a-u
-                       (if b-u
-                           (< a-u b-u)
-                         (setq b-u (or (get-char-attribute b '=>ucs)
-                                       (get-char-attribute b '->ucs)))
-                         (if b-u
-                             (<= a-u b-u)
-                           t))
-                     (setq a-u (or (get-char-attribute a '=>ucs)
-                                   (get-char-attribute a '->ucs)))
-                     (if a-u
-                         (if b-u
-                             (< a-u b-u)
-                           (setq b-u (or (get-char-attribute b '=>ucs)
-                                         (get-char-attribute b '->ucs)))
-                           (if b-u
-                               (< a-u b-u)
-                             t))
-                       (if (or b-u (or (get-char-attribute b '=>ucs)
-                                       (get-char-attribute b '->ucs)))
-                           nil
-                         (< (char-int a)(char-int b)))))))
-             (< a-s b-s))
-         t))))
+  (char-attributes-poly<
+   a b
+   '(char-daikanwa-strokes char-daikanwa char-ucs char-id)
+   '(< morohashi-daikanwa< < <)
+   '(> > > >)))
 
 (defun insert-ideograph-radical-char-data (radical)
   (let ((chars