10 (defconst ew-ccl-4-table
13 (defconst ew-ccl-16-table
14 '( 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15))
16 (defconst ew-ccl-64-table
17 '( 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
18 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
19 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
20 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63))
22 (defconst ew-ccl-256-table
23 '( 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
24 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
25 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
26 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
27 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
28 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
29 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
30 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
31 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143
32 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159
33 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175
34 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191
35 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207
36 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223
37 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239
38 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255))
40 (defconst ew-ccl-256-to-16-table
41 '(nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
42 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
43 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
44 0 1 2 3 4 5 6 7 8 9 nil nil nil nil nil nil
45 nil 10 11 12 13 14 15 nil nil nil nil nil nil nil nil nil
46 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
47 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
48 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
49 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
50 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
51 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
52 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
53 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
54 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
55 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
56 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil))
58 (defconst ew-ccl-16-to-256-table
59 '(?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9 ?A ?B ?C ?D ?E ?F))
61 (defconst ew-ccl-high-table
64 (lambda (v) (nth (lsh v -4) ew-ccl-16-to-256-table))
67 (defconst ew-ccl-low-table
70 (lambda (v) (nth (logand v 15) ew-ccl-16-to-256-table))
73 (defconst ew-ccl-u-raw
76 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
77 "abcdefghijklmnopqrstuvwxyz"
78 "!@#$%&'()*+,-./:;<>@[\\]^`{|}~"
81 (defconst ew-ccl-c-raw
84 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
85 "abcdefghijklmnopqrstuvwxyz"
86 "!@#$%&'*+,-./:;<>@[]^`{|}~"
89 (defconst ew-ccl-p-raw
92 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
93 "abcdefghijklmnopqrstuvwxyz"
97 (defconst ew-ccl-256-to-64-table
98 '(nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
99 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
100 nil nil nil nil nil nil nil nil nil nil nil 62 nil nil nil 63
101 52 53 54 55 56 57 58 59 60 61 nil nil nil t nil nil
102 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
103 15 16 17 18 19 20 21 22 23 24 25 nil nil nil nil nil
104 nil 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
105 41 42 43 44 45 46 47 48 49 50 51 nil nil nil nil nil
106 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
107 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
108 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
109 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
110 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
111 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
112 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil
113 nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil))
115 (defconst ew-ccl-64-to-256-table
116 '(?A ?B ?C ?D ?E ?F ?G ?H ?I ?J ?K ?L ?M ?N ?O ?P
117 ?Q ?R ?S ?T ?U ?V ?W ?X ?Y ?Z ?a ?b ?c ?d ?e ?f
118 ?g ?h ?i ?j ?k ?l ?m ?n ?o ?p ?q ?r ?s ?t ?u ?v
119 ?w ?x ?y ?z ?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9 ?+ ?/))
121 (defconst ew-ccl-qp-table
122 [enc enc enc enc enc enc enc enc enc wsp enc enc enc cr enc enc
123 enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc
124 wsp raw raw raw raw raw raw raw raw raw raw raw raw raw raw raw
125 raw raw raw raw raw raw raw raw raw raw raw raw raw enc raw raw
126 raw raw raw raw raw raw raw raw raw raw raw raw raw raw raw raw
127 raw raw raw raw raw raw raw raw raw raw raw raw raw raw raw raw
128 raw raw raw raw raw raw raw raw raw raw raw raw raw raw raw raw
129 raw raw raw raw raw raw raw raw raw raw raw raw raw raw raw enc
130 enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc
131 enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc
132 enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc
133 enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc
134 enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc
135 enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc
136 enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc
137 enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc enc])
141 (define-ccl-program ew-ccl-decode-q
160 ew-ccl-256-to-16-table)))
167 `((write r0 ,(vconcat
170 (logior (lsh r0 4) v))
174 ew-ccl-256-to-16-table)))
177 `(write-repeat ,r0))))
178 ew-ccl-256-table))))))
180 (define-ccl-program ew-ccl-encode-uq
189 ((= r0 32) `(write-repeat ?_))
190 ((member r0 ew-ccl-u-raw) `(write-repeat ,r0))
194 (write r0 ,ew-ccl-high-table)
195 (write r0 ,ew-ccl-low-table)
198 (define-ccl-program ew-ccl-encode-cq
207 ((= r0 32) `(write-repeat ?_))
208 ((member r0 ew-ccl-c-raw) `(write-repeat ,r0))
212 (write r0 ,ew-ccl-high-table)
213 (write r0 ,ew-ccl-low-table)
216 (define-ccl-program ew-ccl-encode-pq
225 ((= r0 32) `(write-repeat ?_))
226 ((member r0 ew-ccl-p-raw) `(write-repeat ,r0))
230 (write r0 ,ew-ccl-high-table)
231 (write r0 ,ew-ccl-low-table)
235 (defun ew-ccl-decode-b-bit-ex (v)
237 (lsh (logand v (lsh 255 16)) -16)
238 (logand v (lsh 255 8))
239 (lsh (logand v 255) 16)))
241 (defconst ew-ccl-decode-b-0-table
246 (ew-ccl-decode-b-bit-ex (lsh v 18))
248 ew-ccl-256-to-64-table)))
250 (defconst ew-ccl-decode-b-1-table
255 (ew-ccl-decode-b-bit-ex (lsh v 12))
257 ew-ccl-256-to-64-table)))
259 (defconst ew-ccl-decode-b-2-table
264 (ew-ccl-decode-b-bit-ex (lsh v 6))
266 ew-ccl-256-to-64-table)))
268 (defconst ew-ccl-decode-b-3-table
273 (ew-ccl-decode-b-bit-ex v)
275 ew-ccl-256-to-64-table)))
279 (define-ccl-program ew-ccl-decode-b
283 (r4 = r0 ,ew-ccl-decode-b-0-table)
284 (r5 = r1 ,ew-ccl-decode-b-1-table)
286 (r5 = r2 ,ew-ccl-decode-b-2-table)
288 (r5 = r3 ,ew-ccl-decode-b-3-table)
290 (if (r4 & ,(lognot (1- (lsh 1 24))))
292 (if (r4 & ,(lsh 1 24))
293 ((r0 = r1) (r1 = r2) (r2 = r3) (read r3)
294 (r4 >>= 1) (r4 &= ,(logior (lsh 7 24)))
295 (r5 = r3 ,ew-ccl-decode-b-3-table)
300 (if (r4 & ,(lsh 1 25))
301 ((r1 = r2) (r2 = r3) (read r3)
302 (r4 >>= 1) (r4 &= ,(logior (lsh 7 24)))
303 (r5 = r3 ,ew-ccl-decode-b-3-table)
309 (if (r4 & ,(lsh 1 26))
311 (r4 >>= 1) (r4 &= ,(logior (lsh 7 24)))
312 (r5 = r3 ,ew-ccl-decode-b-3-table)
321 (if (r4 & ,(lsh 1 27))
323 (r4 = r3 ,ew-ccl-decode-b-3-table)
328 (r4 = r0 ,ew-ccl-decode-b-0-table)
329 (r5 = r1 ,ew-ccl-decode-b-1-table)
334 ((r5 = r2 ,ew-ccl-decode-b-2-table)
336 (r5 = r3 ,ew-ccl-decode-b-3-table)
347 ((r5 = r2 ,ew-ccl-decode-b-2-table)
360 (write-repeat r4))))))
362 ;; ew-ccl-encode-b works only 20.3 or later because CCL_EOF_BLOCK
363 ;; is not executed on 20.2 (or former?).
364 (define-ccl-program ew-ccl-encode-b
372 `((write ,(nth (lsh r1 -2) ew-ccl-64-to-256-table))
373 (r0 = ,(logand r1 3))))
380 `((write r0 ,(vconcat
383 (nth (logior (lsh r0 4)
385 ew-ccl-64-to-256-table))
387 (r0 = ,(logand r1 15))))
394 `((write r0 ,(vconcat
397 (nth (logior (lsh r0 2)
399 ew-ccl-64-to-256-table))
406 (nth r1 ew-ccl-64-to-256-table))
415 (nth (lsh r0 4) ew-ccl-64-to-256-table))
421 (nth (lsh r0 2) ew-ccl-64-to-256-table))
428 ;; ew-ccl-encode-base64 does not works on 20.2 by same reason of ew-ccl-encode-b
429 (define-ccl-program ew-ccl-encode-base64
438 `((write ,(nth (lsh r1 -2) ew-ccl-64-to-256-table))
439 (r0 = ,(logand r1 3))))
446 `((write r0 ,(vconcat
449 (nth (logior (lsh r0 4)
451 ew-ccl-64-to-256-table))
453 (r0 = ,(logand r1 15))))
460 `((write r0 ,(vconcat
463 (nth (logior (lsh r0 2)
465 ew-ccl-64-to-256-table))
472 (nth r1 ew-ccl-64-to-256-table))
475 (if (r3 == 19) ; 4 * 19 = 76 --> line break.
481 (if (r0 > 0) (write "\r\n"))
485 (nth (lsh r0 4) ew-ccl-64-to-256-table))
491 (nth (lsh r0 2) ew-ccl-64-to-256-table))
496 ;; ew-ccl-encode-quoted-printable does not works on 20.2 by same reason of ew-ccl-encode-b
497 (define-ccl-program ew-ccl-encode-quoted-printable
500 (r5 = 0) ; previous character is white space
510 (let ((tmp (aref ew-ccl-qp-table r0)))
512 ((eq tmp 'raw) '((r3 = 0) (break))) ; RAW
513 ((eq tmp 'enc) '((r3 = 1) (break))) ; ENC
514 ((eq tmp 'wsp) '((r3 = 2) (break))) ; WSP
515 ((eq tmp 'cr) '((r3 = 3) (break))) ; CR
525 (write-read-repeat r0))
532 (write r0 ,ew-ccl-high-table)
534 (write-read-repeat r0 ,ew-ccl-low-table))
538 (write r0 ,ew-ccl-high-table)
540 (write-read-repeat r0 ,ew-ccl-low-table))
547 (write-read-repeat r0))
551 (write-read-repeat r0))))
553 ((if ((r6 > 73) & r5)
558 ;; r0:r3={RAW,ENC,CR}
568 ;; r5=WSP ; CR:r3=CR r0=LF
575 ;; r5=noWSP ; CR:r3=CR r0=LF
605 (write "=\r\n=0D=0D")
607 ;; CR:r3=CR r0=noLFnorCR
619 ;; r0:r3={RAW,ENC} r1
621 ;; r0:r3={RAW,ENC} r1=CR
624 ;; r0:r3={RAW,ENC} CR r1
626 ;; r0:r3={RAW,ENC} CR r1=LF
631 ;; r0:r3=RAW CR r1=LF
637 ;; r0:r3=ENC CR r1=LF
639 (write r0 ,ew-ccl-high-table)
640 (write r0 ,ew-ccl-low-table)
645 ;; r0:r3={RAW,ENC} CR r1=noLF
648 ;; r0:r3=RAW CR r1:noLF
656 ;; r0:r3=ENC CR r1:noLF
660 (write r0 ,ew-ccl-high-table)
661 (write r0 ,ew-ccl-low-table)
666 ;; r0:r3={RAW,ENC} r1:noCR
680 (write r0 ,ew-ccl-high-table)
681 (write r0 ,ew-ccl-low-table)
685 (;(write "[EOF:") (write r4 ,ew-ccl-high-table) (write r4 ,ew-ccl-low-table) (write "]")
694 ;; 3: SOFTBREAK r0:r3=ENC ;
697 ((write "=\r\n") (end))
698 ;; 5: SOFTBREAK r0:r3=WSP ;
699 ((write "=\r\n") (end))
702 ((write "=0D") (end))
703 ((write "=\r\n=0D") (end)))
704 ;; 7: r5=WSP SOFTBREAK CR:r3=CR r0=LF ;
706 ;; 8: r5=noWSP CR:r3=CR r0=LF ;
708 ;; 9: (r6=73) ; CR:r3=CR r0=CR
709 ((write "=\r\n=0D=0D") (end))
710 ;; 10: (r6=73) CR:r3=CR CR LF ;
712 ;; 11: ; r0:r3={RAW,ENC}
717 (write r0 ,ew-ccl-high-table)
718 (write r0 ,ew-ccl-low-table)
720 ;; 12: ; r0:r3={RAW,ENC} r1=CR
728 (write r0 ,ew-ccl-high-table)
729 (write r0 ,ew-ccl-low-table)
732 ;; 13: r0:r3=RAW CR LF ;
734 ;; 14: r0:r3=ENC CR LF ;
739 (define-ccl-program ew-ccl-decode-quoted-printable
747 (let ((tmp (aref ew-ccl-qp-table r0)))
749 ((or (eq tmp 'raw) (eq tmp 'wsp)) `(write-read-repeat r0))
755 (if ((r0 == ? ) | r1)
757 ;; Skip transport-padding.
758 ;; It should check CR LF after
759 ;; transport-padding.
766 ;; '=' [\t ]* r0:[^\t ]
773 ;; '=' [\t ]* r0='\r'
775 ;; '=' [\t ]* '\r' r0
777 ;; '=' [\t ]* '\r' r0='\n'
778 ;; soft line break found.
781 ;; '=' [\t ]* '\r' r0:[^\n]
783 ;; output "=\r" and rescan from r0.
786 ((setq tmp (nth r0 ew-ccl-256-to-16-table))
787 ;; '=' [\t ]* r0:[0-9A-F]
790 ;; '=' [\t ]* r0:[^\r0-9A-F]
792 ;; output "=" and rescan from r0.
796 ;; '=' [\t ]* r0:[0-9A-F]
801 (if (setq tmp (nth r1 ew-ccl-256-to-16-table))
802 ;; '=' [\t ]* [0-9A-F] r1:[0-9A-F]
808 (logior (lsh r0 4) tmp))
810 ;; '=' [\t ]* [0-9A-F] r1:[^0-9A-F]
815 ;; '=' [\t ]* [0-9A-F] r1:[^0-9A-F]
818 (write r0 ,(vconcat ew-ccl-16-to-256-table))
828 ;; hard line break found.
830 (write-read-repeat r0))
832 ;; invalid control character (bare CR) found.
833 ;; -> ignore it and rescan from r0.
837 ;; invalid character found.
841 ew-ccl-256-table))))))
845 (make-ccl-coding-system
846 'ew-ccl-uq ?Q "MIME Q-encoding in unstructured field"
847 'ew-ccl-decode-q 'ew-ccl-encode-uq)
849 (make-ccl-coding-system
850 'ew-ccl-cq ?Q "MIME Q-encoding in comment"
851 'ew-ccl-decode-q 'ew-ccl-encode-cq)
853 (make-ccl-coding-system
854 'ew-ccl-pq ?Q "MIME Q-encoding in phrase"
855 'ew-ccl-decode-q 'ew-ccl-encode-pq)
857 (make-ccl-coding-system
858 'ew-ccl-b ?B "MIME B-encoding"
859 'ew-ccl-decode-b 'ew-ccl-encode-b)
861 (make-ccl-coding-system
862 'ew-ccl-quoted-printable ?Q "MIME Quoted-Printable-encoding"
863 'ew-ccl-decode-quoted-printable 'ew-ccl-encode-quoted-printable)
865 (make-ccl-coding-system
866 'ew-ccl-base64 ?B "MIME Base64-encoding"
867 'ew-ccl-decode-b 'ew-ccl-encode-base64)
874 (defvar ew-bq-use-mel nil)
876 (defun ew-encode-uq (str)
877 (encode-coding-string (string-as-unibyte str) 'ew-ccl-uq))
879 (defun ew-encode-cq (str)
880 (encode-coding-string (string-as-unibyte str) 'ew-ccl-cq))
882 (defun ew-encode-pq (str)
883 (encode-coding-string (string-as-unibyte str) 'ew-ccl-pq))
886 (defalias 'ew-decode-q 'q-encoding-decode-string)
887 (defun ew-decode-q (str)
888 (string-as-unibyte (decode-coding-string str 'ew-ccl-uq))))
890 (if (or ew-bq-use-mel base64-dl-module ccl-encoder-eof-block-is-broken)
891 (defalias 'ew-encode-b 'base64-encode-string)
892 (defun ew-encode-b (str)
893 (encode-coding-string (string-as-unibyte str) 'ew-ccl-b)))
895 (if (or ew-bq-use-mel base64-dl-module)
896 (defalias 'ew-decode-b 'base64-decode-string)
897 (defun ew-decode-b (str)
898 (string-as-unibyte (decode-coding-string str 'ew-ccl-b))))
904 (ew-encode-uq "\000\037 !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\177\200\377")
905 (ew-encode-cq "\000\037 !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\177\200\377")
906 (ew-encode-pq "\000\037 !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\177\200\377")
907 (ew-encode-b "\000\037 !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\177\200\377")
909 (ew-decode-q "a_b=20c")
910 (ew-decode-q "=92=A4=A2")
911 (ew-decode-b "SWYgeW91IGNhbiByZWFkIHRoaXMgeW8=")
917 "AB8gISIjJCUmJygpKissLS4vMDk6Ozw9Pj9AQVpbXF1eX2Bhent8fX5/gP8=")))
923 "=00=1F_!=22#$%&'=28=29*+,-./09:;<=3D>=3F@AZ[=5C]^=5F`az{|}~=7F=80=FF")))
930 (base64-decode-string
931 "AB8gISIjJCUmJygpKissLS4vMDk6Ozw9Pj9AQVpbXF1eX2Bhent8fX5/gP8=")))
936 (q-encoding-decode-string
937 "=00=1F_!=22#$%&'=28=29*+,-./09:;<=3D>=3F@AZ[=5C]^=5F`az{|}~=7F=80=FF")))
940 (setq a (current-time))
945 "AB8gISIjJCUmJygpKissLS4vMDk6Ozw9Pj9AQVpbXF1eX2Bhent8fX5/gP8=")))
946 (setq b (current-time))
947 (elp-elapsed-time a b))
949 (let (a b) ; Emacs Lisp
950 (setq a (current-time))
954 (base64-decode-string
955 "AB8gISIjJCUmJygpKissLS4vMDk6Ozw9Pj9AQVpbXF1eX2Bhent8fX5/gP8=")))
956 (setq b (current-time))
957 (elp-elapsed-time a b))
960 (setq a (current-time))
964 (decode-base64-string
965 "AB8gISIjJCUmJygpKissLS4vMDk6Ozw9Pj9AQVpbXF1eX2Bhent8fX5/gP8=")))
966 (setq b (current-time))
967 (elp-elapsed-time a b))
969 (let ((i 100000) (status (make-vector 9 nil)) a b)
970 (setq a (current-time))
973 (ccl-execute-on-string
974 ew-ccl-decode-b ; or ew-ccl-decode-b-2 or -3
976 "AB8gISIjJCUmJygpKissLS4vMDk6Ozw9Pj9AQVpbXF1eX2Bhent8fX5/gP8="))
977 (setq b (current-time))
978 (elp-elapsed-time a b))