(post-read-decode-hz)

(pre-write-encode-hz): Moved from chinese.el.
(big5-to-flat-code, flat-code-to-big5, euc-to-flat-code)
(flat-code-to-euc, expand-euc-big5-alist, big5-to-cns): Deleted.

1 files changed, 18 insertions, 258 deletions

diff --git a/lisp/language/china-util.el b/lisp/language/china-util.el
index 2be6ebcdff4..7eb5e102f82 100644
--- a/lisp/language/china-util.el
+++ b/lisp/language/china-util.el
@@ -164,265 +164,25 @@ Return the length of resulting text."
   (interactive)
   (encode-hz-region (point-min) (point-max)))
 
-;; The following sets up a translation table (big5-to-cns) from Big 5
-;; to CNS encoding, using some auxiliary functions to make the code
-;; more readable.
-
-;; Many kudos to Himi!  The used code has been adapted from his
-;; mule-ucs package.
-
-(defun big5-to-flat-code (num)
-  "Convert NUM in Big 5 encoding to a `flat code'.
-0xA140 will be mapped to position 0, 0xA141 to position 1, etc.
-There are no gaps in the flat code."
-
-  (let ((hi (/ num 256))
-        (lo (% num 256)))
-    (+ (* 157 (- hi #xa1))
-       (- lo (if (>= lo #xa1) 98 64)))))
-
-(defun flat-code-to-big5 (num)
-  "Convert NUM from a `flat code' to Big 5 encoding.
-This is the inverse function of `big5-to-flat-code'."
-
-  (let ((hi (/ num 157))
-        (lo (% num 157)))
-    (+ (* 256 (+ hi #xa1))
-       (+ lo (if (< lo 63) 64 98)))))
-
-(defun euc-to-flat-code (num)
-  "Convert NUM in EUC encoding (in GL representation) to a `flat code'.
-0x2121 will be mapped to position 0, 0x2122 to position 1, etc.
-There are no gaps in the flat code."
-
-  (let ((hi (/ num 256))
-        (lo (% num 256)))
-    (+ (* 94 (- hi #x21))
-       (- lo #x21))))
-
-(defun flat-code-to-euc (num)
-  "Convert NUM from a `flat code' to EUC encoding (in GL representation).
-The inverse function of `euc-to-flat-code'.  The high and low bytes are
-returned in a list."
-
-  (let ((hi (/ num 94))
-        (lo (% num 94)))
-    (list (+ hi #x21) (+ lo #x21))))
-
-(defun expand-euc-big5-alist (alist)
-  "Create a translation table and fills it with data given in ALIST.
-Elements of ALIST can be either given as
-
-  ((euc-charset . startchar) . (big5-range-begin . big5-range-end))
-
-or as
-
-  (euc-character . big5-charcode)
-
-The former maps a range of glyphs in an EUC charset (where STARTCHAR
-is in GL representation) to a certain range of Big 5 encoded
-characters, the latter maps a single glyph.  Glyphs which can't be
-mapped will be represented with the byte 0xFF.
-
-The return value is the filled translation table."
-
-  (let (chartable
-        elem
-        result
-        char
-        big5
-        i
-        end
-        codepoint
-        charset)
-    (setq chartable (make-char-table 'translation-table #xFF))
-    (while alist
-      (setq elem (car alist)
-            char (car elem)
-            big5 (cdr elem)
-            alist (cdr alist))
-      (cond ((and (consp char)
-                  (consp big5))
-               (setq i (big5-to-flat-code (car big5))
-                     end (big5-to-flat-code (cdr big5))
-                     codepoint (euc-to-flat-code (cdr char))
-                     charset (car char))
-               (while (>= end i)
-                 (aset chartable
-                       (decode-big5-char (flat-code-to-big5 i))
-                       (apply (function make-char)
-                              charset
-                              (flat-code-to-euc codepoint)))
-                 (setq i (1+ i)
-                       codepoint (1+ codepoint)))
-            )
-            ((and (char-valid-p char)
-                  (numberp big5))
-               (setq i (decode-big5-char big5))
-               (aset chartable i char)
-            )
-            (t
-             (error "Unknown slot type: %S" elem)
-            )
-      )
-    )
-    ;; the return value
-    chartable
-  )
-)
-
-;; All non-CNS encodings are commented out.
-
-(define-translation-table 'big5-to-cns
-  (expand-euc-big5-alist
-   '(
-     ;; Symbols
-     ((chinese-cns11643-1 . #x2121) . (#xA140 . #xA1F5))
-     (?$(G"X(B . #xA1F6)
-     (?$(G"W(B . #xA1F7)
-     ((chinese-cns11643-1 . #x2259) . (#xA1F8 . #xA2AE))
-     ((chinese-cns11643-1 . #x2421) . (#xA2AF . #xA3BF))
-     ;; Control codes (vendor dependent)
-     ((chinese-cns11643-1 . #x4221) . (#xA3C0 . #xA3E0))
-     ;; Level 1 Ideographs
-     ((chinese-cns11643-1 . #x4421) . (#xA440 . #xACFD))
-     (?$(GWS(B . #xACFE)
-     ((chinese-cns11643-1 . #x5323) . (#xAD40 . #xAFCF))
-     ((chinese-cns11643-1 . #x5754) . (#xAFD0 . #xBBC7))
-     ((chinese-cns11643-1 . #x6B51) . (#xBBC8 . #xBE51))
-     (?$(GkP(B . #xBE52)
-     ((chinese-cns11643-1 . #x6F5C) . (#xBE53 . #xC1AA))
-     ((chinese-cns11643-1 . #x7536) . (#xC1AB . #xC2CA))
-     (?$(Gu5(B . #xC2CB)
-     ((chinese-cns11643-1 . #x7737) . (#xC2CC . #xC360))
-     ((chinese-cns11643-1 . #x782E) . (#xC361 . #xC3B8))
-     (?$(Gxe(B . #xC3B9)
-     (?$(Gxd(B . #xC3BA)
-     ((chinese-cns11643-1 . #x7866) . (#xC3BB . #xC455))
-     (?$(Gx-(B . #xC456)
-     ((chinese-cns11643-1 . #x7962) . (#xC457 . #xC67E))
-     ;; Symbols
-     ((chinese-cns11643-1 . #x2621) . (#xC6A1 . #xC6BE))
-     ;; Radicals
-     (?$(G'#(B . #xC6BF)
-     (?$(G'$(B . #xC6C0)
-     (?$(G'&(B . #xC6C1)
-     (?$(G'((B . #xC6C2)
-     (?$(G'-(B . #xC6C3)
-     (?$(G'.(B . #xC6C4)
-     (?$(G'/(B . #xC6C5)
-     (?$(G'4(B . #xC6C6)
-     (?$(G'7(B . #xC6C7)
-     (?$(G':(B . #xC6C8)
-     (?$(G'<(B . #xC6C9)
-     (?$(G'B(B . #xC6CA)
-     (?$(G'G(B . #xC6CB)
-     (?$(G'N(B . #xC6CC)
-     (?$(G'S(B . #xC6CD)
-     (?$(G'T(B . #xC6CE)
-     (?$(G'U(B . #xC6CF)
-     (?$(G'Y(B . #xC6D0)
-     (?$(G'Z(B . #xC6D1)
-     (?$(G'a(B . #xC6D2)
-     (?$(G'f(B . #xC6D3)
-     (?$(G()(B . #xC6D4)
-     (?$(G(*(B . #xC6D5)
-     (?$(G(c(B . #xC6D6)
-     (?$(G(l(B . #xC6D7)
-     ;; Diacritical Marks
-     ; ((japanese-jisx0208 . #x212F) . (#xC6D8 . #xC6D9))
-     ;; Japanese Kana Supplement
-     ; ((japanese-jisx0208 . #x2133) . (#xC6DA . #xC6E3))
-     ;; Japanese Hiragana
-     ; ((japanese-jisx0208 . #x2421) . (#xC6E7 . #xC77A))
-     ;; Japanese Katakana
-     ; ((japanese-jisx0208 . #x2521) . (#xC77B . #xC7F2))
-     ;; Cyrillic Characters
-     ; ((japanese-jisx0208 . #x2721) . (#xC7F3 . #xC854))
-     ; ((japanese-jisx0208 . #x2751) . (#xC855 . #xC875))
-     ;; Special Chinese Characters
-     (?$(J!#(B . #xC879)
-     (?$(J!$(B . #xC87B)
-     (?$(J!*(B . #xC87D)
-     (?$(J!R(B . #xC8A2)
-
-     ;; JIS X 0208 NOT SIGN (cf. U+00AC)
-     ; (?$B"L(B . #xC8CD)
-     ;; JIS X 0212 BROKEN BAR (cf. U+00A6)
-     ; (?$(D"C(B . #xC8CE)
-
-     ;; GB 2312 characters
-     ; (?$A!d(B . #xC8CF)
-     ; (?$A!e(B . #xC8D0)
-        ;;;;; C8D1 - Japanese `($B3t(B)'
-     ; (?$A!m(B . #xC8D2)
-        ;;;;; C8D2 - Tel.
-
-     ;; Level 2 Ideographs
-     ((chinese-cns11643-2 . #x2121) . (#xC940 . #xC949))
-     (?$(GDB(B . #xC94A);; a duplicate of #xA461
-     ((chinese-cns11643-2 . #x212B) . (#xC94B . #xC96B))
-     ((chinese-cns11643-2 . #x214D) . (#xC96C . #xC9BD))
-     (?$(H!L(B . #xC9BE)
-     ((chinese-cns11643-2 . #x217D) . (#xC9BF . #xC9EC))
-     ((chinese-cns11643-2 . #x224E) . (#xC9ED . #xCAF6))
-     (?$(H"M(B . #xCAF7)
-     ((chinese-cns11643-2 . #x2439) . (#xCAF8 . #xD6CB))
-     (?$(H>c(B . #xD6CC)
-     ((chinese-cns11643-2 . #x3770) . (#xD6CD . #xD779))
-     (?$(H?j(B . #xD77A)
-     ((chinese-cns11643-2 . #x387E) . (#xD77B . #xDADE))
-     (?$(H7o(B . #xDADF)
-     ((chinese-cns11643-2 . #x3E64) . (#xDAE0 . #xDBA6))
-     ((chinese-cns11643-2 . #x3F6B) . (#xDBA7 . #xDDFB))
-     (?$(HAv(B . #xDDFC);; a duplicate of #xDCD1
-     ((chinese-cns11643-2 . #x4424) . (#xDDFD . #xE8A2))
-     ((chinese-cns11643-2 . #x554C) . (#xE8A3 . #xE975))
-     ((chinese-cns11643-2 . #x5723) . (#xE976 . #xEB5A))
-     ((chinese-cns11643-2 . #x5A29) . (#xEB5B . #xEBF0))
-     (?$(HUK(B . #xEBF1)
-     ((chinese-cns11643-2 . #x5B3F) . (#xEBF2 . #xECDD))
-     (?$(HW"(B . #xECDE)
-     ((chinese-cns11643-2 . #x5C6A) . (#xECDF . #xEDA9))
-     ((chinese-cns11643-2 . #x5D75) . (#xEDAA . #xEEEA))
-     (?$(Hd/(B . #xEEEB)
-     ((chinese-cns11643-2 . #x6039) . (#xEEEC . #xF055))
-     (?$(H]t(B . #xF056)
-     ((chinese-cns11643-2 . #x6243) . (#xF057 . #xF0CA))
-     (?$(HZ((B . #xF0CB)
-     ((chinese-cns11643-2 . #x6337) . (#xF0CC . #xF162))
-     ((chinese-cns11643-2 . #x6430) . (#xF163 . #xF16A))
-     (?$(Hga(B . #xF16B)
-     ((chinese-cns11643-2 . #x6438) . (#xF16C . #xF267))
-     (?$(Hi4(B . #xF268)
-     ((chinese-cns11643-2 . #x6573) . (#xF269 . #xF2C2))
-     ((chinese-cns11643-2 . #x664E) . (#xF2C3 . #xF374))
-     ((chinese-cns11643-2 . #x6762) . (#xF375 . #xF465))
-     ((chinese-cns11643-2 . #x6935) . (#xF466 . #xF4B4))
-     (?$(HfM(B . #xF4B5)
-     ((chinese-cns11643-2 . #x6962) . (#xF4B6 . #xF4FC))
-     ((chinese-cns11643-2 . #x6A4C) . (#xF4FD . #xF662))
-     (?$(HjK(B . #xF663)
-     ((chinese-cns11643-2 . #x6C52) . (#xF664 . #xF976))
-     ((chinese-cns11643-2 . #x7167) . (#xF977 . #xF9C3))
-     (?$(Hqf(B . #xF9C4)
-     (?$(Hr4(B . #xF9C5)
-     (?$(Hr@(B . #xF9C6)
-     ((chinese-cns11643-2 . #x7235) . (#xF9C7 . #xF9D1))
-     ((chinese-cns11643-2 . #x7241) . (#xF9D2 . #xF9D5))
-
-     ;; Additional Ideographs
-     (?$(IC7(B . #xF9D6)
-     (?$(IOP(B . #xF9D7)
-     (?$(IDN(B . #xF9D8)
-     (?$(IPJ(B . #xF9D9)
-     (?$(I,](B . #xF9DA)
-     (?$(I=~(B . #xF9DB)
-     (?$(IK\(B . #xF9DC)
-    )
-  )
-)
+;;;###autoload
+(defun post-read-decode-hz (len)
+  (let ((pos (point))
+	(buffer-modified-p (buffer-modified-p))
+	last-coding-system-used)
+    (prog1
+	(decode-hz-region pos (+ pos len))
+      (set-buffer-modified-p buffer-modified-p))))
 
+;;;###autoload
+(defun pre-write-encode-hz (from to)
+  (let ((buf (current-buffer)))
+    (set-buffer (generate-new-buffer " *temp*"))
+    (if (stringp from)
+	(insert from)
+      (insert-buffer-substring buf from to))
+    (let (last-coding-system-used)
+      (encode-hz-region 1 (point-max)))
+    nil))
 ;;
 (provide 'china-util)