1 /** Network Kanji Filter. (PDS Version)
2 ************************************************************************
3 ** Copyright (C) 1987, Fujitsu LTD. (Itaru ICHIKAWA)
4 **
\e$BO"Mm@h!'
\e(B
\e$B!J3t!KIY;NDL8&5f=j!!%=%U%H#38&!!;T@n!!;j
\e(B
5 **
\e$B!J
\e(BE-Mail Address: ichikawa@flab.fujitsu.co.jp
\e$B!K
\e(B
6 ** Copyright (C) 1996,1998
8 **
\e$BO"Mm@h!'
\e(B
\e$BN05eBg3X>pJs9)3X2J
\e(B
\e$B2OLn
\e(B
\e$B??<#
\e(B mime/X0208 support
9 **
\e$B!J
\e(BE-Mail Address: kono@ie.u-ryukyu.ac.jp
\e$B!K
\e(B
10 **
\e$BO"Mm@h!'
\e(B COW for DOS & Win16 & Win32 & OS/2
11 **
\e$B!J
\e(BE-Mail Address: GHG00637@niftyserve.or.p
\e$B!K
\e(B
13 **
\e$B$3$N%=!<%9$N$$$+$J$kJ#<L!$2~JQ!$=$@5$b5vBz$7$^$9!#$?$@$7!"
\e(B
14 **
\e$B$=$N:]$K$O!"C/$,9W8%$7$?$r<($9$3$NItJ,$r;D$9$3$H!#
\e(B
15 **
\e$B:FG[I[$d;(;o$NIUO?$J$I$NLd$$9g$o$;$bI,MW$"$j$^$;$s!#
\e(B
16 **
\e$B1DMxMxMQ$b>e5-$KH?$7$J$$HO0O$G5v2D$7$^$9!#
\e(B
17 **
\e$B%P%$%J%j$NG[I[$N:]$K$O
\e(Bversion message
\e$B$rJ]B8$9$k$3$H$r>r7o$H$7$^$9!#
\e(B
18 **
\e$B$3$N%W%m%0%i%`$K$D$$$F$OFC$K2?$NJ]>Z$b$7$J$$!"0-$7$+$i$:!#
\e(B
20 ** Everyone is permitted to do anything on this program
21 ** including copying, modifying, improving,
22 ** as long as you don't try to pretend that you wrote it.
23 ** i.e., the above copyright notice has to appear in all copies.
24 ** Binary distribution requires original version messages.
25 ** You don't have to ask before copying, redistribution or publishing.
26 ** THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE.
27 ***********************************************************************/
29 /***********************************************************************
30 ** UTF-8
\e$B%5%]!<%H$K$D$$$F
\e(B
31 **
\e$B=>Mh$N
\e(B nkf
\e$B$HF~$l$+$($F$=$N$^$^;H$($k$h$&$K$J$C$F$$$^$9
\e(B
32 ** nkf -e
\e$B$J$I$H$7$F5/F0$9$k$H!"<+F0H=JL$G
\e(B UTF-8
\e$B$HH=Dj$5$l$l$P!"
\e(B
33 **
\e$B$=$N$^$^
\e(B euc-jp
\e$B$KJQ49$5$l$^$9
\e(B
35 **
\e$B$^$@%P%0$,$"$k2DG=@-$,9b$$$G$9!#
\e(B
36 ** (
\e$BFC$K<+F0H=JL!"%3!<%I:.:_!"%(%i!<=hM}7O
\e(B)
38 **
\e$B2?$+LdBj$r8+$D$1$?$i!"
\e(B
39 ** E-Mail: furukawa@tcp-ip.or.jp
40 **
\e$B$^$G8fO"Mm$r$*4j$$$7$^$9!#
\e(B
41 ***********************************************************************/
42 /* $Id: nkf.c,v 1.115 2006/11/03 20:06:15 naruse Exp $ */
43 #define NKF_VERSION "2.0.8"
44 #define NKF_RELEASE_DATE "2006-11-04"
49 "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),2000 S. Kono, COW\n" \
50 "Copyright (C) 2002-2006 Kono, Furukawa, Naruse, mastodon"
57 ** USAGE: nkf [flags] [file]
60 ** b Output is buffered (DEFAULT)
61 ** u Output is unbuffered
65 ** j Output code is JIS 7 bit (DEFAULT SELECT)
66 ** s Output code is MS Kanji (DEFAULT SELECT)
67 ** e Output code is AT&T JIS (DEFAULT SELECT)
68 ** w Output code is AT&T JIS (DEFAULT SELECT)
69 ** l Output code is JIS 7bit and ISO8859-1 Latin-1
71 ** m MIME conversion for ISO-2022-JP
72 ** I Convert non ISO-2022-JP charactor to GETA by Pekoe <pekoe@lair.net>
73 ** i_ Output sequence to designate JIS-kanji (DEFAULT_J)
74 ** o_ Output sequence to designate single-byte roman characters (DEFAULT_R)
75 ** M MIME output conversion
77 ** r {de/en}crypt ROT13/47
81 ** T Text mode output (for MS-DOS)
83 ** x Do not convert X0201 kana into X0208
84 ** Z Convert X0208 alphabet to ASCII
89 ** B try to fix broken JIS, missing Escape
90 ** B[1-9] broken level
92 ** O Output to 'nkf.out' file or last file name
93 ** d Delete \r in line feed
94 ** c Add \r in line feed
95 ** -- other long option
96 ** -- ignore following option (don't use with -O )
100 #if (defined(__TURBOC__) || defined(_MSC_VER) || defined(LSI_C) || defined(__MINGW32__) || defined(__EMX__) || defined(__MSDOS__) || defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)) && !defined(MSDOS)
102 #if (defined(__Win32__) || defined(_WIN32)) && !defined(__WIN32__)
118 #if defined(MSDOS) || defined(__OS2__)
121 #if defined(_MSC_VER) || defined(__WATCOMC__)
122 #define mktemp _mktemp
128 #define setbinmode(fp) fsetbin(fp)
129 #elif defined(__DJGPP__)
130 #include <libc/dosio.h>
131 #define setbinmode(fp) djgpp_setbinmode(fp)
132 #else /* Microsoft C, Turbo C */
133 #define setbinmode(fp) setmode(fileno(fp), O_BINARY)
136 #define setbinmode(fp)
139 #if defined(__DJGPP__)
140 void djgpp_setbinmode(FILE *fp)
142 /* we do not use libc's setmode(), which changes COOKED/RAW mode in device. */
145 m = (__file_handle_modes[fd] & (~O_TEXT)) | O_BINARY;
146 __file_handle_set(fd, m);
150 #ifdef _IOFBF /* SysV and MSDOS, Windows */
151 #define setvbuffer(fp, buf, size) setvbuf(fp, buf, _IOFBF, size)
153 #define setvbuffer(fp, buf, size) setbuffer(fp, buf, size)
156 /*Borland C++ 4.5 EasyWin*/
157 #if defined(__TURBOC__) && defined(_Windows) && !defined(__WIN32__) /*Easy Win */
166 /* added by satoru@isoternet.org */
168 #include <sys/types.h>
170 #include <sys/stat.h>
171 #if !defined(MSDOS) || defined(__DJGPP__) /* UNIX, djgpp */
173 #if defined(__WATCOMC__)
174 #include <sys/utime.h>
178 #else /* defined(MSDOS) */
180 #ifdef __BORLANDC__ /* BCC32 */
182 #else /* !defined(__BORLANDC__) */
183 #include <sys/utime.h>
184 #endif /* (__BORLANDC__) */
185 #else /* !defined(__WIN32__) */
186 #if defined(_MSC_VER) || defined(__MINGW32__) || defined(__WATCOMC__) || defined(__OS2__) || defined(__EMX__) || defined(__IBMC__) || defined(__IBMCPP__) /* VC++, MinGW, Watcom, emx+gcc, IBM VAC++ */
187 #include <sys/utime.h>
188 #elif defined(__TURBOC__) /* BCC */
190 #elif defined(LSI_C) /* LSI C */
191 #endif /* (__WIN32__) */
199 /* state of output_mode and input_mode
216 #define X0213_1 0x284F
217 #define X0213_2 0x2850
219 /* Input Assumption */
224 #define LATIN1_INPUT 6
226 #define STRICT_MIME 8
231 #define JAPANESE_EUC 10
235 #define UTF8_INPUT 13
236 #define UTF16_INPUT 1015
237 #define UTF32_INPUT 1017
241 #define ENDIAN_BIG 1234
242 #define ENDIAN_LITTLE 4321
243 #define ENDIAN_2143 2143
244 #define ENDIAN_3412 3412
264 #define is_alnum(c) \
265 (('a'<=c && c<='z')||('A'<= c && c<='Z')||('0'<=c && c<='9'))
267 /* I don't trust portablity of toupper */
268 #define nkf_toupper(c) (('a'<=c && c<='z')?(c-('a'-'A')):c)
269 #define nkf_isoctal(c) ('0'<=c && c<='7')
270 #define nkf_isdigit(c) ('0'<=c && c<='9')
271 #define nkf_isxdigit(c) (nkf_isdigit(c) || ('a'<=c && c<='f') || ('A'<=c && c <= 'F'))
272 #define nkf_isblank(c) (c == SPACE || c == TAB)
273 #define nkf_isspace(c) (nkf_isblank(c) || c == CR || c == NL)
274 #define nkf_isalpha(c) (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'))
275 #define nkf_isalnum(c) (nkf_isdigit(c) || nkf_isalpha(c))
276 #define nkf_isprint(c) (' '<=c && c<='~')
277 #define nkf_isgraph(c) ('!'<=c && c<='~')
278 #define hex2bin(c) (('0'<=c&&c<='9') ? (c-'0') : \
279 ('A'<=c&&c<='F') ? (c-'A'+10) : \
280 ('a'<=c&&c<='f') ? (c-'a'+10) : 0 )
281 #define is_eucg3(c2) (((unsigned short)c2 >> 8) == SS3)
283 #define CP932_TABLE_BEGIN 0xFA
284 #define CP932_TABLE_END 0xFC
285 #define CP932INV_TABLE_BEGIN 0xED
286 #define CP932INV_TABLE_END 0xEE
287 #define is_ibmext_in_sjis(c2) (CP932_TABLE_BEGIN <= c2 && c2 <= CP932_TABLE_END)
289 #define HOLD_SIZE 1024
290 #if defined(INT_IS_SHORT)
291 #define IOBUF_SIZE 2048
293 #define IOBUF_SIZE 16384
296 #define DEFAULT_J 'B'
297 #define DEFAULT_R 'B'
299 #define SJ0162 0x00e1 /* 01 - 62 ku offset */
300 #define SJ6394 0x0161 /* 63 - 94 ku offset */
302 #define RANGE_NUM_MAX 18
307 #if defined(UTF8_OUTPUT_ENABLE) || defined(UTF8_INPUT_ENABLE)
308 #define sizeof_euc_to_utf8_1byte 94
309 #define sizeof_euc_to_utf8_2bytes 94
310 #define sizeof_utf8_to_euc_C2 64
311 #define sizeof_utf8_to_euc_E5B8 64
312 #define sizeof_utf8_to_euc_2bytes 112
313 #define sizeof_utf8_to_euc_3bytes 16
316 /* MIME preprocessor */
318 #ifdef EASYWIN /*Easy Win */
319 extern POINT _BufferSize;
328 void (*status_func)(struct input_code *, nkf_char);
329 nkf_char (*iconv_func)(nkf_char c2, nkf_char c1, nkf_char c0);
333 static char *input_codename = "";
336 static const char *CopyRight = COPY_RIGHT;
338 #if !defined(PERL_XS) && !defined(WIN32DLL)
339 static nkf_char noconvert(FILE *f);
341 static void module_connection(void);
342 static nkf_char kanji_convert(FILE *f);
343 static nkf_char h_conv(FILE *f,nkf_char c2,nkf_char c1);
344 static nkf_char push_hold_buf(nkf_char c2);
345 static void set_iconv(nkf_char f, nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0));
346 static nkf_char s_iconv(nkf_char c2,nkf_char c1,nkf_char c0);
347 static nkf_char s2e_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1);
348 static nkf_char e_iconv(nkf_char c2,nkf_char c1,nkf_char c0);
349 #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
351 * 0: Shift_JIS, eucJP-ascii
355 #define UCS_MAP_ASCII 0
357 #define UCS_MAP_CP932 2
358 static int ms_ucs_map_f = UCS_MAP_ASCII;
360 #ifdef UTF8_INPUT_ENABLE
361 /* no NEC special, NEC-selected IBM extended and IBM extended characters */
362 static int no_cp932ext_f = FALSE;
363 /* ignore ZERO WIDTH NO-BREAK SPACE */
364 static int no_best_fit_chars_f = FALSE;
365 static int input_endian = ENDIAN_BIG;
366 static nkf_char unicode_subchar = '?'; /* the regular substitution character */
367 static void nkf_each_char_to_hex(void (*f)(nkf_char c2,nkf_char c1), nkf_char c);
368 static void encode_fallback_html(nkf_char c);
369 static void encode_fallback_xml(nkf_char c);
370 static void encode_fallback_java(nkf_char c);
371 static void encode_fallback_perl(nkf_char c);
372 static void encode_fallback_subchar(nkf_char c);
373 static void (*encode_fallback)(nkf_char c) = NULL;
374 static nkf_char w2e_conv(nkf_char c2,nkf_char c1,nkf_char c0,nkf_char *p2,nkf_char *p1);
375 static nkf_char w_iconv(nkf_char c2,nkf_char c1,nkf_char c0);
376 static nkf_char w_iconv16(nkf_char c2,nkf_char c1,nkf_char c0);
377 static nkf_char w_iconv32(nkf_char c2,nkf_char c1,nkf_char c0);
378 static nkf_char unicode_to_jis_common(nkf_char c2,nkf_char c1,nkf_char c0,nkf_char *p2,nkf_char *p1);
379 static nkf_char w_iconv_common(nkf_char c1,nkf_char c0,const unsigned short *const *pp,nkf_char psize,nkf_char *p2,nkf_char *p1);
380 static void w16w_conv(nkf_char val, nkf_char *p2, nkf_char *p1, nkf_char *p0);
381 static nkf_char ww16_conv(nkf_char c2, nkf_char c1, nkf_char c0);
382 static nkf_char w16e_conv(nkf_char val,nkf_char *p2,nkf_char *p1);
383 static void w_status(struct input_code *, nkf_char);
385 #ifdef UTF8_OUTPUT_ENABLE
386 static int output_bom_f = FALSE;
387 static int output_endian = ENDIAN_BIG;
388 static nkf_char e2w_conv(nkf_char c2,nkf_char c1);
389 static void w_oconv(nkf_char c2,nkf_char c1);
390 static void w_oconv16(nkf_char c2,nkf_char c1);
391 static void w_oconv32(nkf_char c2,nkf_char c1);
393 static void e_oconv(nkf_char c2,nkf_char c1);
394 static nkf_char e2s_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1);
395 static void s_oconv(nkf_char c2,nkf_char c1);
396 static void j_oconv(nkf_char c2,nkf_char c1);
397 static void fold_conv(nkf_char c2,nkf_char c1);
398 static void cr_conv(nkf_char c2,nkf_char c1);
399 static void z_conv(nkf_char c2,nkf_char c1);
400 static void rot_conv(nkf_char c2,nkf_char c1);
401 static void hira_conv(nkf_char c2,nkf_char c1);
402 static void base64_conv(nkf_char c2,nkf_char c1);
403 static void iso2022jp_check_conv(nkf_char c2,nkf_char c1);
404 static void no_connection(nkf_char c2,nkf_char c1);
405 static nkf_char no_connection2(nkf_char c2,nkf_char c1,nkf_char c0);
407 static void code_score(struct input_code *ptr);
408 static void code_status(nkf_char c);
410 static void std_putc(nkf_char c);
411 static nkf_char std_getc(FILE *f);
412 static nkf_char std_ungetc(nkf_char c,FILE *f);
414 static nkf_char broken_getc(FILE *f);
415 static nkf_char broken_ungetc(nkf_char c,FILE *f);
417 static nkf_char mime_begin(FILE *f);
418 static nkf_char mime_getc(FILE *f);
419 static nkf_char mime_ungetc(nkf_char c,FILE *f);
421 static void switch_mime_getc(void);
422 static void unswitch_mime_getc(void);
423 static nkf_char mime_begin_strict(FILE *f);
424 static nkf_char mime_getc_buf(FILE *f);
425 static nkf_char mime_ungetc_buf(nkf_char c,FILE *f);
426 static nkf_char mime_integrity(FILE *f,const unsigned char *p);
428 static nkf_char base64decode(nkf_char c);
429 static void mime_prechar(nkf_char c2, nkf_char c1);
430 static void mime_putc(nkf_char c);
431 static void open_mime(nkf_char c);
432 static void close_mime(void);
433 static void eof_mime(void);
434 static void mimeout_addchar(nkf_char c);
436 static void usage(void);
437 static void version(void);
439 static void options(unsigned char *c);
440 #if defined(PERL_XS) || defined(WIN32DLL)
441 static void reinit(void);
446 #if !defined(PERL_XS) && !defined(WIN32DLL)
447 static unsigned char stdibuf[IOBUF_SIZE];
448 static unsigned char stdobuf[IOBUF_SIZE];
450 static unsigned char hold_buf[HOLD_SIZE*2];
451 static int hold_count = 0;
453 /* MIME preprocessor fifo */
455 #define MIME_BUF_SIZE (1024) /* 2^n ring buffer */
456 #define MIME_BUF_MASK (MIME_BUF_SIZE-1)
457 #define Fifo(n) mime_buf[(n)&MIME_BUF_MASK]
458 static unsigned char mime_buf[MIME_BUF_SIZE];
459 static unsigned int mime_top = 0;
460 static unsigned int mime_last = 0; /* decoded */
461 static unsigned int mime_input = 0; /* undecoded */
462 static nkf_char (*mime_iconv_back)(nkf_char c2,nkf_char c1,nkf_char c0) = NULL;
465 static int unbuf_f = FALSE;
466 static int estab_f = FALSE;
467 static int nop_f = FALSE;
468 static int binmode_f = TRUE; /* binary mode */
469 static int rot_f = FALSE; /* rot14/43 mode */
470 static int hira_f = FALSE; /* hira/kata henkan */
471 static int input_f = FALSE; /* non fixed input code */
472 static int alpha_f = FALSE; /* convert JIx0208 alphbet to ASCII */
473 static int mime_f = STRICT_MIME; /* convert MIME B base64 or Q */
474 static int mime_decode_f = FALSE; /* mime decode is explicitly on */
475 static int mimebuf_f = FALSE; /* MIME buffered input */
476 static int broken_f = FALSE; /* convert ESC-less broken JIS */
477 static int iso8859_f = FALSE; /* ISO8859 through */
478 static int mimeout_f = FALSE; /* base64 mode */
479 #if defined(MSDOS) || defined(__OS2__)
480 static int x0201_f = TRUE; /* Assume JISX0201 kana */
482 static int x0201_f = NO_X0201; /* Assume NO JISX0201 */
484 static int iso2022jp_f = FALSE; /* convert ISO-2022-JP */
486 #ifdef UNICODE_NORMALIZATION
487 static int nfc_f = FALSE;
488 static nkf_char (*i_nfc_getc)(FILE *) = std_getc; /* input of ugetc */
489 static nkf_char (*i_nfc_ungetc)(nkf_char c ,FILE *f) = std_ungetc;
490 static nkf_char nfc_getc(FILE *f);
491 static nkf_char nfc_ungetc(nkf_char c,FILE *f);
495 static int cap_f = FALSE;
496 static nkf_char (*i_cgetc)(FILE *) = std_getc; /* input of cgetc */
497 static nkf_char (*i_cungetc)(nkf_char c ,FILE *f) = std_ungetc;
498 static nkf_char cap_getc(FILE *f);
499 static nkf_char cap_ungetc(nkf_char c,FILE *f);
501 static int url_f = FALSE;
502 static nkf_char (*i_ugetc)(FILE *) = std_getc; /* input of ugetc */
503 static nkf_char (*i_uungetc)(nkf_char c ,FILE *f) = std_ungetc;
504 static nkf_char url_getc(FILE *f);
505 static nkf_char url_ungetc(nkf_char c,FILE *f);
508 #if defined(INT_IS_SHORT)
509 #define NKF_INT32_C(n) (n##L)
511 #define NKF_INT32_C(n) (n)
513 #define PREFIX_EUCG3 NKF_INT32_C(0x8F00)
514 #define CLASS_MASK NKF_INT32_C(0xFF000000)
515 #define CLASS_UNICODE NKF_INT32_C(0x01000000)
516 #define VALUE_MASK NKF_INT32_C(0x00FFFFFF)
517 #define UNICODE_MAX NKF_INT32_C(0x0010FFFF)
518 #define is_unicode_capsule(c) ((c & CLASS_MASK) == CLASS_UNICODE)
519 #define is_unicode_bmp(c) ((c & VALUE_MASK) <= NKF_INT32_C(0xFFFF))
521 #ifdef NUMCHAR_OPTION
522 static int numchar_f = FALSE;
523 static nkf_char (*i_ngetc)(FILE *) = std_getc; /* input of ugetc */
524 static nkf_char (*i_nungetc)(nkf_char c ,FILE *f) = std_ungetc;
525 static nkf_char numchar_getc(FILE *f);
526 static nkf_char numchar_ungetc(nkf_char c,FILE *f);
530 static int noout_f = FALSE;
531 static void no_putc(nkf_char c);
532 static nkf_char debug_f = FALSE;
533 static void debug(const char *str);
534 static nkf_char (*iconv_for_check)(nkf_char c2,nkf_char c1,nkf_char c0) = 0;
537 static int guess_f = FALSE;
539 static void print_guessed_code(char *filename);
541 static void set_input_codename(char *codename);
542 static int is_inputcode_mixed = FALSE;
543 static int is_inputcode_set = FALSE;
546 static int exec_f = 0;
549 #ifdef SHIFTJIS_CP932
550 /* invert IBM extended characters to others */
551 static int cp51932_f = TRUE;
553 /* invert NEC-selected IBM extended characters to IBM extended characters */
554 static int cp932inv_f = TRUE;
556 /* static nkf_char cp932_conv(nkf_char c2, nkf_char c1); */
557 #endif /* SHIFTJIS_CP932 */
560 static int x0212_f = FALSE;
561 static nkf_char x0212_shift(nkf_char c);
562 static nkf_char x0212_unshift(nkf_char c);
564 static int x0213_f = FALSE;
566 static unsigned char prefix_table[256];
568 static void set_code_score(struct input_code *ptr, nkf_char score);
569 static void clr_code_score(struct input_code *ptr, nkf_char score);
570 static void status_disable(struct input_code *ptr);
571 static void status_push_ch(struct input_code *ptr, nkf_char c);
572 static void status_clear(struct input_code *ptr);
573 static void status_reset(struct input_code *ptr);
574 static void status_reinit(struct input_code *ptr);
575 static void status_check(struct input_code *ptr, nkf_char c);
576 static void e_status(struct input_code *, nkf_char);
577 static void s_status(struct input_code *, nkf_char);
579 struct input_code input_code_list[] = {
580 {"EUC-JP", 0, 0, 0, {0, 0, 0}, e_status, e_iconv, 0},
581 {"Shift_JIS", 0, 0, 0, {0, 0, 0}, s_status, s_iconv, 0},
582 #ifdef UTF8_INPUT_ENABLE
583 {"UTF-8", 0, 0, 0, {0, 0, 0}, w_status, w_iconv, 0},
584 {"UTF-16", 0, 0, 0, {0, 0, 0}, NULL, w_iconv16, 0},
585 {"UTF-32", 0, 0, 0, {0, 0, 0}, NULL, w_iconv32, 0},
590 static int mimeout_mode = 0;
591 static int base64_count = 0;
593 /* X0208 -> ASCII converter */
596 static int f_line = 0; /* chars in line */
597 static int f_prev = 0;
598 static int fold_preserve_f = FALSE; /* preserve new lines */
599 static int fold_f = FALSE;
600 static int fold_len = 0;
603 static unsigned char kanji_intro = DEFAULT_J;
604 static unsigned char ascii_intro = DEFAULT_R;
608 #define FOLD_MARGIN 10
609 #define DEFAULT_FOLD 60
611 static int fold_margin = FOLD_MARGIN;
615 #ifdef DEFAULT_CODE_JIS
616 # define DEFAULT_CONV j_oconv
618 #ifdef DEFAULT_CODE_SJIS
619 # define DEFAULT_CONV s_oconv
621 #ifdef DEFAULT_CODE_EUC
622 # define DEFAULT_CONV e_oconv
624 #ifdef DEFAULT_CODE_UTF8
625 # define DEFAULT_CONV w_oconv
628 /* process default */
629 static void (*output_conv)(nkf_char c2,nkf_char c1) = DEFAULT_CONV;
631 static void (*oconv)(nkf_char c2,nkf_char c1) = no_connection;
632 /* s_iconv or oconv */
633 static nkf_char (*iconv)(nkf_char c2,nkf_char c1,nkf_char c0) = no_connection2;
635 static void (*o_zconv)(nkf_char c2,nkf_char c1) = no_connection;
636 static void (*o_fconv)(nkf_char c2,nkf_char c1) = no_connection;
637 static void (*o_crconv)(nkf_char c2,nkf_char c1) = no_connection;
638 static void (*o_rot_conv)(nkf_char c2,nkf_char c1) = no_connection;
639 static void (*o_hira_conv)(nkf_char c2,nkf_char c1) = no_connection;
640 static void (*o_base64conv)(nkf_char c2,nkf_char c1) = no_connection;
641 static void (*o_iso2022jp_check_conv)(nkf_char c2,nkf_char c1) = no_connection;
643 /* static redirections */
645 static void (*o_putc)(nkf_char c) = std_putc;
647 static nkf_char (*i_getc)(FILE *f) = std_getc; /* general input */
648 static nkf_char (*i_ungetc)(nkf_char c,FILE *f) =std_ungetc;
650 static nkf_char (*i_bgetc)(FILE *) = std_getc; /* input of mgetc */
651 static nkf_char (*i_bungetc)(nkf_char c ,FILE *f) = std_ungetc;
653 static void (*o_mputc)(nkf_char c) = std_putc ; /* output of mputc */
655 static nkf_char (*i_mgetc)(FILE *) = std_getc; /* input of mgetc */
656 static nkf_char (*i_mungetc)(nkf_char c ,FILE *f) = std_ungetc;
658 /* for strict mime */
659 static nkf_char (*i_mgetc_buf)(FILE *) = std_getc; /* input of mgetc_buf */
660 static nkf_char (*i_mungetc_buf)(nkf_char c,FILE *f) = std_ungetc;
663 static int output_mode = ASCII, /* output kanji mode */
664 input_mode = ASCII, /* input kanji mode */
665 shift_mode = FALSE; /* TRUE shift out, or X0201 */
666 static int mime_decode_mode = FALSE; /* MIME mode B base64, Q hex */
668 /* X0201 / X0208 conversion tables */
670 /* X0201 kana conversion table */
673 unsigned char cv[]= {
674 0x21,0x21,0x21,0x23,0x21,0x56,0x21,0x57,
675 0x21,0x22,0x21,0x26,0x25,0x72,0x25,0x21,
676 0x25,0x23,0x25,0x25,0x25,0x27,0x25,0x29,
677 0x25,0x63,0x25,0x65,0x25,0x67,0x25,0x43,
678 0x21,0x3c,0x25,0x22,0x25,0x24,0x25,0x26,
679 0x25,0x28,0x25,0x2a,0x25,0x2b,0x25,0x2d,
680 0x25,0x2f,0x25,0x31,0x25,0x33,0x25,0x35,
681 0x25,0x37,0x25,0x39,0x25,0x3b,0x25,0x3d,
682 0x25,0x3f,0x25,0x41,0x25,0x44,0x25,0x46,
683 0x25,0x48,0x25,0x4a,0x25,0x4b,0x25,0x4c,
684 0x25,0x4d,0x25,0x4e,0x25,0x4f,0x25,0x52,
685 0x25,0x55,0x25,0x58,0x25,0x5b,0x25,0x5e,
686 0x25,0x5f,0x25,0x60,0x25,0x61,0x25,0x62,
687 0x25,0x64,0x25,0x66,0x25,0x68,0x25,0x69,
688 0x25,0x6a,0x25,0x6b,0x25,0x6c,0x25,0x6d,
689 0x25,0x6f,0x25,0x73,0x21,0x2b,0x21,0x2c,
693 /* X0201 kana conversion table for daguten */
696 unsigned char dv[]= {
697 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
698 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
699 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
700 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
701 0x00,0x00,0x00,0x00,0x00,0x00,0x25,0x74,
702 0x00,0x00,0x00,0x00,0x25,0x2c,0x25,0x2e,
703 0x25,0x30,0x25,0x32,0x25,0x34,0x25,0x36,
704 0x25,0x38,0x25,0x3a,0x25,0x3c,0x25,0x3e,
705 0x25,0x40,0x25,0x42,0x25,0x45,0x25,0x47,
706 0x25,0x49,0x00,0x00,0x00,0x00,0x00,0x00,
707 0x00,0x00,0x00,0x00,0x25,0x50,0x25,0x53,
708 0x25,0x56,0x25,0x59,0x25,0x5c,0x00,0x00,
709 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
710 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
711 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
712 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
715 /* X0201 kana conversion table for han-daguten */
718 unsigned char ev[]= {
719 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
720 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
721 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
722 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
723 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
724 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
725 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
726 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
727 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
728 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
729 0x00,0x00,0x00,0x00,0x25,0x51,0x25,0x54,
730 0x25,0x57,0x25,0x5a,0x25,0x5d,0x00,0x00,
731 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
732 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
733 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
734 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
738 /* X0208 kigou conversion table */
739 /* 0x8140 - 0x819e */
741 unsigned char fv[] = {
743 0x00,0x00,0x00,0x00,0x2c,0x2e,0x00,0x3a,
744 0x3b,0x3f,0x21,0x00,0x00,0x27,0x60,0x00,
745 0x5e,0x00,0x5f,0x00,0x00,0x00,0x00,0x00,
746 0x00,0x00,0x00,0x00,0x00,0x2d,0x00,0x2f,
747 0x5c,0x00,0x00,0x7c,0x00,0x00,0x60,0x27,
748 0x22,0x22,0x28,0x29,0x00,0x00,0x5b,0x5d,
749 0x7b,0x7d,0x3c,0x3e,0x00,0x00,0x00,0x00,
750 0x00,0x00,0x00,0x00,0x2b,0x2d,0x00,0x00,
751 0x00,0x3d,0x00,0x3c,0x3e,0x00,0x00,0x00,
752 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
753 0x24,0x00,0x00,0x25,0x23,0x26,0x2a,0x40,
754 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
760 static int file_out_f = FALSE;
762 static int overwrite_f = FALSE;
763 static int preserve_time_f = FALSE;
764 static int backup_f = FALSE;
765 static char *backup_suffix = "";
766 static char *get_backup_filename(const char *suffix, const char *filename);
769 static int crmode_f = 0; /* CR, NL, CRLF */
770 #ifdef EASYWIN /*Easy Win */
771 static int end_check;
774 #define STD_GC_BUFSIZE (256)
775 nkf_char std_gc_buf[STD_GC_BUFSIZE];
779 #include "nkf32dll.c"
780 #elif defined(PERL_XS)
782 int main(int argc, char **argv)
787 char *outfname = NULL;
790 #ifdef EASYWIN /*Easy Win */
791 _BufferSize.y = 400;/*Set Scroll Buffer Size*/
794 for (argc--,argv++; (argc > 0) && **argv == '-'; argc--, argv++) {
795 cp = (unsigned char *)*argv;
800 if (pipe(fds) < 0 || (pid = fork()) < 0){
811 execvp(argv[1], &argv[1]);
825 if(x0201_f == WISH_TRUE)
826 x0201_f = ((!iso2022jp_f)? TRUE : NO_X0201);
828 if (binmode_f == TRUE)
829 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
830 if (freopen("","wb",stdout) == NULL)
837 setbuf(stdout, (char *) NULL);
839 setvbuffer(stdout, (char *) stdobuf, IOBUF_SIZE);
842 if (binmode_f == TRUE)
843 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
844 if (freopen("","rb",stdin) == NULL) return (-1);
848 setvbuffer(stdin, (char *) stdibuf, IOBUF_SIZE);
852 kanji_convert(stdin);
853 if (guess_f) print_guessed_code(NULL);
857 int is_argument_error = FALSE;
859 is_inputcode_mixed = FALSE;
860 is_inputcode_set = FALSE;
865 if ((fin = fopen((origfname = *argv++), "r")) == NULL) {
868 is_argument_error = TRUE;
876 /* reopen file for stdout */
877 if (file_out_f == TRUE) {
880 outfname = malloc(strlen(origfname)
881 + strlen(".nkftmpXXXXXX")
887 strcpy(outfname, origfname);
891 for (i = strlen(outfname); i; --i){
892 if (outfname[i - 1] == '/'
893 || outfname[i - 1] == '\\'){
899 strcat(outfname, "ntXXXXXX");
901 fd = open(outfname, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL,
904 strcat(outfname, ".nkftmpXXXXXX");
905 fd = mkstemp(outfname);
908 || (fd_backup = dup(fileno(stdout))) < 0
909 || dup2(fd, fileno(stdout)) < 0
920 outfname = "nkf.out";
923 if(freopen(outfname, "w", stdout) == NULL) {
927 if (binmode_f == TRUE) {
928 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
929 if (freopen("","wb",stdout) == NULL)
936 if (binmode_f == TRUE)
937 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
938 if (freopen("","rb",fin) == NULL)
943 setvbuffer(fin, (char *) stdibuf, IOBUF_SIZE);
947 char *filename = NULL;
949 if (nfiles > 1) filename = origfname;
950 if (guess_f) print_guessed_code(filename);
956 #if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) && !defined(__WATCOMC__) && !defined(__EMX__) && !defined(__OS2__) && !defined(__DJGPP__)
964 if (dup2(fd_backup, fileno(stdout)) < 0){
967 if (stat(origfname, &sb)) {
968 fprintf(stderr, "Can't stat %s\n", origfname);
970 /*
\e$B%Q!<%_%C%7%g%s$rI|85
\e(B */
971 if (chmod(outfname, sb.st_mode)) {
972 fprintf(stderr, "Can't set permission %s\n", outfname);
975 /*
\e$B%?%$%`%9%?%s%W$rI|85
\e(B */
977 #if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) && !defined(__WATCOMC__) && !defined(__EMX__) && !defined(__OS2__) && !defined(__DJGPP__)
978 tb[0] = tb[1] = sb.st_mtime;
979 if (utime(outfname, tb)) {
980 fprintf(stderr, "Can't set timestamp %s\n", outfname);
983 tb.actime = sb.st_atime;
984 tb.modtime = sb.st_mtime;
985 if (utime(outfname, &tb)) {
986 fprintf(stderr, "Can't set timestamp %s\n", outfname);
991 char *backup_filename = get_backup_filename(backup_suffix, origfname);
993 unlink(backup_filename);
995 if (rename(origfname, backup_filename)) {
996 perror(backup_filename);
997 fprintf(stderr, "Can't rename %s to %s\n",
998 origfname, backup_filename);
1002 if (unlink(origfname)){
1007 if (rename(outfname, origfname)) {
1009 fprintf(stderr, "Can't rename %s to %s\n",
1010 outfname, origfname);
1017 if (is_argument_error)
1020 #ifdef EASYWIN /*Easy Win */
1021 if (file_out_f == FALSE)
1022 scanf("%d",&end_check);
1025 #else /* for Other OS */
1026 if (file_out_f == TRUE)
1028 #endif /*Easy Win */
1031 #endif /* WIN32DLL */
1034 char *get_backup_filename(const char *suffix, const char *filename)
1036 char *backup_filename;
1037 int asterisk_count = 0;
1039 int filename_length = strlen(filename);
1041 for(i = 0; suffix[i]; i++){
1042 if(suffix[i] == '*') asterisk_count++;
1046 backup_filename = malloc(strlen(suffix) + (asterisk_count * (filename_length - 1)) + 1);
1047 if (!backup_filename){
1048 perror("Can't malloc backup filename.");
1052 for(i = 0, j = 0; suffix[i];){
1053 if(suffix[i] == '*'){
1054 backup_filename[j] = '\0';
1055 strncat(backup_filename, filename, filename_length);
1057 j += filename_length;
1059 backup_filename[j++] = suffix[i++];
1062 backup_filename[j] = '\0';
1064 j = strlen(suffix) + filename_length;
1065 backup_filename = malloc( + 1);
1066 strcpy(backup_filename, filename);
1067 strcat(backup_filename, suffix);
1068 backup_filename[j] = '\0';
1070 return backup_filename;
1099 {"katakana-hiragana","h3"},
1106 #ifdef UTF8_OUTPUT_ENABLE
1116 {"fb-subchar=", ""},
1118 #ifdef UTF8_INPUT_ENABLE
1119 {"utf8-input", "W"},
1120 {"utf16-input", "W16"},
1121 {"no-cp932ext", ""},
1122 {"no-best-fit-chars",""},
1124 #ifdef UNICODE_NORMALIZATION
1125 {"utf8mac-input", ""},
1137 #ifdef NUMCHAR_OPTION
1138 {"numchar-input", ""},
1144 #ifdef SHIFTJIS_CP932
1154 static int option_mode = 0;
1156 void options(unsigned char *cp)
1160 unsigned char *cp_back = NULL;
1165 while(*cp && *cp++!='-');
1166 while (*cp || cp_back) {
1174 case '-': /* literal options */
1175 if (!*cp || *cp == SPACE) { /* ignore the rest of arguments */
1179 for (i=0;i<sizeof(long_option)/sizeof(long_option[0]);i++) {
1180 p = (unsigned char *)long_option[i].name;
1181 for (j=0;*p && *p != '=' && *p == cp[j];p++, j++);
1182 if (*p == cp[j] || cp[j] == ' '){
1189 while(*cp && *cp != SPACE && cp++);
1190 if (long_option[i].alias[0]){
1192 cp = (unsigned char *)long_option[i].alias;
1194 if (strcmp(long_option[i].name, "ic=") == 0){
1195 for (i=0; i < 16 && SPACE < p[i] && p[i] < DEL; i++){
1196 codeset[i] = nkf_toupper(p[i]);
1199 if(strcmp(codeset, "ISO-2022-JP") == 0){
1200 input_f = JIS_INPUT;
1201 }else if(strcmp(codeset, "X-ISO2022JP-CP932") == 0 ||
1202 strcmp(codeset, "CP50220") == 0 ||
1203 strcmp(codeset, "CP50221") == 0 ||
1204 strcmp(codeset, "CP50222") == 0){
1205 input_f = JIS_INPUT;
1206 #ifdef SHIFTJIS_CP932
1209 #ifdef UTF8_OUTPUT_ENABLE
1210 ms_ucs_map_f = UCS_MAP_CP932;
1212 }else if(strcmp(codeset, "ISO-2022-JP-1") == 0){
1213 input_f = JIS_INPUT;
1217 }else if(strcmp(codeset, "ISO-2022-JP-3") == 0){
1218 input_f = JIS_INPUT;
1223 }else if(strcmp(codeset, "SHIFT_JIS") == 0){
1224 input_f = SJIS_INPUT;
1225 }else if(strcmp(codeset, "WINDOWS-31J") == 0 ||
1226 strcmp(codeset, "CSWINDOWS31J") == 0 ||
1227 strcmp(codeset, "CP932") == 0 ||
1228 strcmp(codeset, "MS932") == 0){
1229 input_f = SJIS_INPUT;
1230 #ifdef SHIFTJIS_CP932
1233 #ifdef UTF8_OUTPUT_ENABLE
1234 ms_ucs_map_f = UCS_MAP_CP932;
1236 }else if(strcmp(codeset, "EUCJP") == 0 ||
1237 strcmp(codeset, "EUC-JP") == 0){
1238 input_f = EUC_INPUT;
1239 }else if(strcmp(codeset, "CP51932") == 0){
1240 input_f = EUC_INPUT;
1241 #ifdef SHIFTJIS_CP932
1244 #ifdef UTF8_OUTPUT_ENABLE
1245 ms_ucs_map_f = UCS_MAP_CP932;
1247 }else if(strcmp(codeset, "EUC-JP-MS") == 0 ||
1248 strcmp(codeset, "EUCJP-MS") == 0 ||
1249 strcmp(codeset, "EUCJPMS") == 0){
1250 input_f = EUC_INPUT;
1251 #ifdef SHIFTJIS_CP932
1254 #ifdef UTF8_OUTPUT_ENABLE
1255 ms_ucs_map_f = UCS_MAP_MS;
1257 }else if(strcmp(codeset, "EUC-JP-ASCII") == 0 ||
1258 strcmp(codeset, "EUCJP-ASCII") == 0){
1259 input_f = EUC_INPUT;
1260 #ifdef SHIFTJIS_CP932
1263 #ifdef UTF8_OUTPUT_ENABLE
1264 ms_ucs_map_f = UCS_MAP_ASCII;
1266 }else if(strcmp(codeset, "SHIFT_JISX0213") == 0 ||
1267 strcmp(codeset, "SHIFT_JIS-2004") == 0){
1268 input_f = SJIS_INPUT;
1270 #ifdef SHIFTJIS_CP932
1274 }else if(strcmp(codeset, "EUC-JISX0213") == 0 ||
1275 strcmp(codeset, "EUC-JIS-2004") == 0){
1276 input_f = EUC_INPUT;
1278 #ifdef SHIFTJIS_CP932
1282 #ifdef UTF8_INPUT_ENABLE
1283 }else if(strcmp(codeset, "UTF-8") == 0 ||
1284 strcmp(codeset, "UTF-8N") == 0 ||
1285 strcmp(codeset, "UTF-8-BOM") == 0){
1286 input_f = UTF8_INPUT;
1287 #ifdef UNICODE_NORMALIZATION
1288 }else if(strcmp(codeset, "UTF8-MAC") == 0 ||
1289 strcmp(codeset, "UTF-8-MAC") == 0){
1290 input_f = UTF8_INPUT;
1293 }else if(strcmp(codeset, "UTF-16") == 0 ||
1294 strcmp(codeset, "UTF-16BE") == 0 ||
1295 strcmp(codeset, "UTF-16BE-BOM") == 0){
1296 input_f = UTF16_INPUT;
1297 input_endian = ENDIAN_BIG;
1298 }else if(strcmp(codeset, "UTF-16LE") == 0 ||
1299 strcmp(codeset, "UTF-16LE-BOM") == 0){
1300 input_f = UTF16_INPUT;
1301 input_endian = ENDIAN_LITTLE;
1302 }else if(strcmp(codeset, "UTF-32") == 0 ||
1303 strcmp(codeset, "UTF-32BE") == 0 ||
1304 strcmp(codeset, "UTF-32BE-BOM") == 0){
1305 input_f = UTF32_INPUT;
1306 input_endian = ENDIAN_BIG;
1307 }else if(strcmp(codeset, "UTF-32LE") == 0 ||
1308 strcmp(codeset, "UTF-32LE-BOM") == 0){
1309 input_f = UTF32_INPUT;
1310 input_endian = ENDIAN_LITTLE;
1315 if (strcmp(long_option[i].name, "oc=") == 0){
1316 for (i=0; i < 16 && SPACE < p[i] && p[i] < DEL; i++){
1317 codeset[i] = nkf_toupper(p[i]);
1320 if(strcmp(codeset, "ISO-2022-JP") == 0){
1321 output_conv = j_oconv;
1322 }else if(strcmp(codeset, "X-ISO2022JP-CP932") == 0){
1323 output_conv = j_oconv;
1325 no_cp932ext_f = TRUE;
1326 #ifdef SHIFTJIS_CP932
1329 #ifdef UTF8_OUTPUT_ENABLE
1330 ms_ucs_map_f = UCS_MAP_CP932;
1332 }else if(strcmp(codeset, "CP50220") == 0){
1333 output_conv = j_oconv;
1334 #ifdef SHIFTJIS_CP932
1337 #ifdef UTF8_OUTPUT_ENABLE
1338 ms_ucs_map_f = UCS_MAP_CP932;
1340 }else if(strcmp(codeset, "CP50221") == 0){
1341 output_conv = j_oconv;
1343 #ifdef SHIFTJIS_CP932
1346 #ifdef UTF8_OUTPUT_ENABLE
1347 ms_ucs_map_f = UCS_MAP_CP932;
1349 }else if(strcmp(codeset, "ISO-2022-JP-1") == 0){
1350 output_conv = j_oconv;
1354 #ifdef SHIFTJIS_CP932
1357 }else if(strcmp(codeset, "ISO-2022-JP-3") == 0){
1358 output_conv = j_oconv;
1363 #ifdef SHIFTJIS_CP932
1366 }else if(strcmp(codeset, "ISO-2022-JP-MS") == 0){
1367 output_conv = j_oconv;
1372 #ifdef SHIFTJIS_CP932
1375 }else if(strcmp(codeset, "SHIFT_JIS") == 0){
1376 output_conv = s_oconv;
1377 }else if(strcmp(codeset, "WINDOWS-31J") == 0 ||
1378 strcmp(codeset, "CSWINDOWS31J") == 0 ||
1379 strcmp(codeset, "CP932") == 0 ||
1380 strcmp(codeset, "MS932") == 0){
1381 output_conv = s_oconv;
1383 #ifdef SHIFTJIS_CP932
1387 #ifdef UTF8_OUTPUT_ENABLE
1388 ms_ucs_map_f = UCS_MAP_CP932;
1390 }else if(strcmp(codeset, "EUCJP") == 0 ||
1391 strcmp(codeset, "EUC-JP") == 0){
1392 output_conv = e_oconv;
1393 }else if(strcmp(codeset, "CP51932") == 0){
1394 output_conv = e_oconv;
1396 #ifdef SHIFTJIS_CP932
1399 #ifdef UTF8_OUTPUT_ENABLE
1400 ms_ucs_map_f = UCS_MAP_CP932;
1402 }else if(strcmp(codeset, "EUC-JP-MS") == 0 ||
1403 strcmp(codeset, "EUCJP-MS") == 0 ||
1404 strcmp(codeset, "EUCJPMS") == 0){
1405 output_conv = e_oconv;
1410 #ifdef SHIFTJIS_CP932
1413 #ifdef UTF8_OUTPUT_ENABLE
1414 ms_ucs_map_f = UCS_MAP_MS;
1416 }else if(strcmp(codeset, "EUC-JP-ASCII") == 0 ||
1417 strcmp(codeset, "EUCJP-ASCII") == 0){
1418 output_conv = e_oconv;
1423 #ifdef SHIFTJIS_CP932
1426 #ifdef UTF8_OUTPUT_ENABLE
1427 ms_ucs_map_f = UCS_MAP_ASCII;
1429 }else if(strcmp(codeset, "SHIFT_JISX0213") == 0 ||
1430 strcmp(codeset, "SHIFT_JIS-2004") == 0){
1431 output_conv = s_oconv;
1433 #ifdef SHIFTJIS_CP932
1436 }else if(strcmp(codeset, "EUC-JISX0213") == 0 ||
1437 strcmp(codeset, "EUC-JIS-2004") == 0){
1438 output_conv = e_oconv;
1443 #ifdef SHIFTJIS_CP932
1446 #ifdef UTF8_OUTPUT_ENABLE
1447 }else if(strcmp(codeset, "UTF-8") == 0){
1448 output_conv = w_oconv;
1449 }else if(strcmp(codeset, "UTF-8N") == 0){
1450 output_conv = w_oconv;
1451 }else if(strcmp(codeset, "UTF-8-BOM") == 0){
1452 output_conv = w_oconv;
1453 output_bom_f = TRUE;
1454 }else if(strcmp(codeset, "UTF-16BE") == 0){
1455 output_conv = w_oconv16;
1456 }else if(strcmp(codeset, "UTF-16") == 0 ||
1457 strcmp(codeset, "UTF-16BE-BOM") == 0){
1458 output_conv = w_oconv16;
1459 output_bom_f = TRUE;
1460 }else if(strcmp(codeset, "UTF-16LE") == 0){
1461 output_conv = w_oconv16;
1462 output_endian = ENDIAN_LITTLE;
1463 }else if(strcmp(codeset, "UTF-16LE-BOM") == 0){
1464 output_conv = w_oconv16;
1465 output_endian = ENDIAN_LITTLE;
1466 output_bom_f = TRUE;
1467 }else if(strcmp(codeset, "UTF-32") == 0 ||
1468 strcmp(codeset, "UTF-32BE") == 0){
1469 output_conv = w_oconv32;
1470 }else if(strcmp(codeset, "UTF-32BE-BOM") == 0){
1471 output_conv = w_oconv32;
1472 output_bom_f = TRUE;
1473 }else if(strcmp(codeset, "UTF-32LE") == 0){
1474 output_conv = w_oconv32;
1475 output_endian = ENDIAN_LITTLE;
1476 }else if(strcmp(codeset, "UTF-32LE-BOM") == 0){
1477 output_conv = w_oconv32;
1478 output_endian = ENDIAN_LITTLE;
1479 output_bom_f = TRUE;
1485 if (strcmp(long_option[i].name, "overwrite") == 0){
1488 preserve_time_f = TRUE;
1491 if (strcmp(long_option[i].name, "overwrite=") == 0){
1494 preserve_time_f = TRUE;
1496 backup_suffix = malloc(strlen((char *) p) + 1);
1497 strcpy(backup_suffix, (char *) p);
1500 if (strcmp(long_option[i].name, "in-place") == 0){
1503 preserve_time_f = FALSE;
1506 if (strcmp(long_option[i].name, "in-place=") == 0){
1509 preserve_time_f = FALSE;
1511 backup_suffix = malloc(strlen((char *) p) + 1);
1512 strcpy(backup_suffix, (char *) p);
1517 if (strcmp(long_option[i].name, "cap-input") == 0){
1521 if (strcmp(long_option[i].name, "url-input") == 0){
1526 #ifdef NUMCHAR_OPTION
1527 if (strcmp(long_option[i].name, "numchar-input") == 0){
1533 if (strcmp(long_option[i].name, "no-output") == 0){
1537 if (strcmp(long_option[i].name, "debug") == 0){
1542 if (strcmp(long_option[i].name, "cp932") == 0){
1543 #ifdef SHIFTJIS_CP932
1547 #ifdef UTF8_OUTPUT_ENABLE
1548 ms_ucs_map_f = UCS_MAP_CP932;
1552 if (strcmp(long_option[i].name, "no-cp932") == 0){
1553 #ifdef SHIFTJIS_CP932
1557 #ifdef UTF8_OUTPUT_ENABLE
1558 ms_ucs_map_f = UCS_MAP_ASCII;
1562 #ifdef SHIFTJIS_CP932
1563 if (strcmp(long_option[i].name, "cp932inv") == 0){
1570 if (strcmp(long_option[i].name, "x0212") == 0){
1577 if (strcmp(long_option[i].name, "exec-in") == 0){
1581 if (strcmp(long_option[i].name, "exec-out") == 0){
1586 #if defined(UTF8_OUTPUT_ENABLE) && defined(UTF8_INPUT_ENABLE)
1587 if (strcmp(long_option[i].name, "no-cp932ext") == 0){
1588 no_cp932ext_f = TRUE;
1591 if (strcmp(long_option[i].name, "no-best-fit-chars") == 0){
1592 no_best_fit_chars_f = TRUE;
1595 if (strcmp(long_option[i].name, "fb-skip") == 0){
1596 encode_fallback = NULL;
1599 if (strcmp(long_option[i].name, "fb-html") == 0){
1600 encode_fallback = encode_fallback_html;
1603 if (strcmp(long_option[i].name, "fb-xml" ) == 0){
1604 encode_fallback = encode_fallback_xml;
1607 if (strcmp(long_option[i].name, "fb-java") == 0){
1608 encode_fallback = encode_fallback_java;
1611 if (strcmp(long_option[i].name, "fb-perl") == 0){
1612 encode_fallback = encode_fallback_perl;
1615 if (strcmp(long_option[i].name, "fb-subchar") == 0){
1616 encode_fallback = encode_fallback_subchar;
1619 if (strcmp(long_option[i].name, "fb-subchar=") == 0){
1620 encode_fallback = encode_fallback_subchar;
1621 unicode_subchar = 0;
1623 /* decimal number */
1624 for (i = 0; i < 7 && nkf_isdigit(p[i]); i++){
1625 unicode_subchar *= 10;
1626 unicode_subchar += hex2bin(p[i]);
1628 }else if(p[1] == 'x' || p[1] == 'X'){
1629 /* hexadecimal number */
1630 for (i = 2; i < 8 && nkf_isxdigit(p[i]); i++){
1631 unicode_subchar <<= 4;
1632 unicode_subchar |= hex2bin(p[i]);
1636 for (i = 1; i < 8 && nkf_isoctal(p[i]); i++){
1637 unicode_subchar *= 8;
1638 unicode_subchar += hex2bin(p[i]);
1641 w16e_conv(unicode_subchar, &i, &j);
1642 unicode_subchar = i<<8 | j;
1646 #ifdef UTF8_OUTPUT_ENABLE
1647 if (strcmp(long_option[i].name, "ms-ucs-map") == 0){
1648 ms_ucs_map_f = UCS_MAP_MS;
1652 #ifdef UNICODE_NORMALIZATION
1653 if (strcmp(long_option[i].name, "utf8mac-input") == 0){
1654 input_f = UTF8_INPUT;
1659 if (strcmp(long_option[i].name, "prefix=") == 0){
1660 if (nkf_isgraph(p[0])){
1661 for (i = 1; nkf_isgraph(p[i]); i++){
1662 prefix_table[p[i]] = p[0];
1669 case 'b': /* buffered mode */
1672 case 'u': /* non bufferd mode */
1675 case 't': /* transparent mode */
1680 } else if (*cp=='2') {
1684 * nkf -t2MB hoge.bin | nkf -t2mB | diff -s - hoge.bin
1692 case 'j': /* JIS output */
1694 output_conv = j_oconv;
1696 case 'e': /* AT&T EUC output */
1697 output_conv = e_oconv;
1699 case 's': /* SJIS output */
1700 output_conv = s_oconv;
1702 case 'l': /* ISO8859 Latin-1 support, no conversion */
1703 iso8859_f = TRUE; /* Only compatible with ISO-2022-JP */
1704 input_f = LATIN1_INPUT;
1706 case 'i': /* Kanji IN ESC-$-@/B */
1707 if (*cp=='@'||*cp=='B')
1708 kanji_intro = *cp++;
1710 case 'o': /* ASCII IN ESC-(-J/B */
1711 if (*cp=='J'||*cp=='B'||*cp=='H')
1712 ascii_intro = *cp++;
1716 bit:1 katakana->hiragana
1717 bit:2 hiragana->katakana
1719 if ('9'>= *cp && *cp>='0')
1720 hira_f |= (*cp++ -'0');
1727 #if defined(MSDOS) || defined(__OS2__)
1742 #ifdef UTF8_OUTPUT_ENABLE
1743 case 'w': /* UTF-8 output */
1745 output_conv = w_oconv; cp++;
1749 output_bom_f = TRUE;
1752 if ('1'== cp[0] && '6'==cp[1]) {
1753 output_conv = w_oconv16; cp+=2;
1754 } else if ('3'== cp[0] && '2'==cp[1]) {
1755 output_conv = w_oconv32; cp+=2;
1757 output_conv = w_oconv;
1762 output_endian = ENDIAN_LITTLE;
1763 } else if (cp[0] == 'B') {
1771 output_bom_f = TRUE;
1776 #ifdef UTF8_INPUT_ENABLE
1777 case 'W': /* UTF input */
1780 input_f = UTF8_INPUT;
1782 if ('1'== cp[0] && '6'==cp[1]) {
1784 input_f = UTF16_INPUT;
1785 input_endian = ENDIAN_BIG;
1786 } else if ('3'== cp[0] && '2'==cp[1]) {
1788 input_f = UTF32_INPUT;
1789 input_endian = ENDIAN_BIG;
1791 input_f = UTF8_INPUT;
1796 input_endian = ENDIAN_LITTLE;
1797 } else if (cp[0] == 'B') {
1803 /* Input code assumption */
1804 case 'J': /* JIS input */
1805 input_f = JIS_INPUT;
1807 case 'E': /* AT&T EUC input */
1808 input_f = EUC_INPUT;
1810 case 'S': /* MS Kanji input */
1811 input_f = SJIS_INPUT;
1812 if (x0201_f==NO_X0201) x0201_f=TRUE;
1814 case 'Z': /* Convert X0208 alphabet to asii */
1815 /* bit:0 Convert X0208
1816 bit:1 Convert Kankaku to one space
1817 bit:2 Convert Kankaku to two spaces
1818 bit:3 Convert HTML Entity
1820 if ('9'>= *cp && *cp>='0')
1821 alpha_f |= 1<<(*cp++ -'0');
1825 case 'x': /* Convert X0201 kana to X0208 or X0201 Conversion */
1826 x0201_f = FALSE; /* No X0201->X0208 conversion */
1828 ESC-(-I in JIS, EUC, MS Kanji
1829 SI/SO in JIS, EUC, MS Kanji
1830 SSO in EUC, JIS, not in MS Kanji
1831 MS Kanji (0xa0-0xdf)
1833 ESC-(-I in JIS (0x20-0x5f)
1834 SSO in EUC (0xa0-0xdf)
1835 0xa0-0xd in MS Kanji (0xa0-0xdf)
1838 case 'X': /* Assume X0201 kana */
1839 /* Default value is NO_X0201 for EUC/MS-Kanji mix */
1842 case 'F': /* prserve new lines */
1843 fold_preserve_f = TRUE;
1844 case 'f': /* folding -f60 or -f */
1847 while('0'<= *cp && *cp <='9') { /* we don't use atoi here */
1849 fold_len += *cp++ - '0';
1851 if (!(0<fold_len && fold_len<BUFSIZ))
1852 fold_len = DEFAULT_FOLD;
1856 while('0'<= *cp && *cp <='9') { /* we don't use atoi here */
1858 fold_margin += *cp++ - '0';
1862 case 'm': /* MIME support */
1863 /* mime_decode_f = TRUE; */ /* this has too large side effects... */
1864 if (*cp=='B'||*cp=='Q') {
1865 mime_decode_mode = *cp++;
1866 mimebuf_f = FIXED_MIME;
1867 } else if (*cp=='N') {
1868 mime_f = TRUE; cp++;
1869 } else if (*cp=='S') {
1870 mime_f = STRICT_MIME; cp++;
1871 } else if (*cp=='0') {
1872 mime_decode_f = FALSE;
1873 mime_f = FALSE; cp++;
1876 case 'M': /* MIME output */
1879 mimeout_f = FIXED_MIME; cp++;
1880 } else if (*cp=='Q') {
1882 mimeout_f = FIXED_MIME; cp++;
1887 case 'B': /* Broken JIS support */
1889 bit:1 allow any x on ESC-(-x or ESC-$-x
1890 bit:2 reset to ascii on NL
1892 if ('9'>= *cp && *cp>='0')
1893 broken_f |= 1<<(*cp++ -'0');
1898 case 'O':/* for Output file */
1902 case 'c':/* add cr code */
1905 case 'd':/* delete cr code */
1908 case 'I': /* ISO-2022-JP output */
1911 case 'L': /* line mode */
1912 if (*cp=='u') { /* unix */
1913 crmode_f = NL; cp++;
1914 } else if (*cp=='m') { /* mac */
1915 crmode_f = CR; cp++;
1916 } else if (*cp=='w') { /* windows */
1917 crmode_f = CRLF; cp++;
1918 } else if (*cp=='0') { /* no conversion */
1928 /* module muliple options in a string are allowed for Perl moudle */
1929 while(*cp && *cp++!='-');
1932 /* bogus option but ignored */
1938 struct input_code * find_inputcode_byfunc(nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0))
1941 struct input_code *p = input_code_list;
1943 if (iconv_func == p->iconv_func){
1952 void set_iconv(nkf_char f, nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0))
1954 #ifdef INPUT_CODE_FIX
1962 #ifdef INPUT_CODE_FIX
1963 && (f == -TRUE || !input_f) /* -TRUE means "FORCE" */
1969 if (estab_f && iconv_for_check != iconv){
1970 struct input_code *p = find_inputcode_byfunc(iconv);
1972 set_input_codename(p->name);
1973 debug(input_codename);
1975 iconv_for_check = iconv;
1980 #define SCORE_L2 (1) /*
\e$BBh
\e(B2
\e$B?e=`4A;z
\e(B */
1981 #define SCORE_KANA (SCORE_L2 << 1) /*
\e$B$$$o$f$kH>3Q%+%J
\e(B */
1982 #define SCORE_DEPEND (SCORE_KANA << 1) /*
\e$B5!<o0MB8J8;z
\e(B */
1983 #ifdef SHIFTJIS_CP932
1984 #define SCORE_CP932 (SCORE_DEPEND << 1) /* CP932
\e$B$K$h$kFI$_49$(
\e(B */
1985 #define SCORE_NO_EXIST (SCORE_CP932 << 1) /*
\e$BB8:_$7$J$$J8;z
\e(B */
1987 #define SCORE_NO_EXIST (SCORE_DEPEND << 1) /*
\e$BB8:_$7$J$$J8;z
\e(B */
1989 #define SCORE_iMIME (SCORE_NO_EXIST << 1) /* MIME
\e$B$K$h$k;XDj
\e(B */
1990 #define SCORE_ERROR (SCORE_iMIME << 1) /*
\e$B%(%i!<
\e(B */
1992 #define SCORE_INIT (SCORE_iMIME)
1994 const nkf_char score_table_A0[] = {
1997 0, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND,
1998 SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_NO_EXIST,
2001 const nkf_char score_table_F0[] = {
2002 SCORE_L2, SCORE_L2, SCORE_L2, SCORE_L2,
2003 SCORE_L2, SCORE_DEPEND, SCORE_NO_EXIST, SCORE_NO_EXIST,
2004 SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND,
2005 SCORE_DEPEND, SCORE_NO_EXIST, SCORE_NO_EXIST, SCORE_ERROR,
2008 void set_code_score(struct input_code *ptr, nkf_char score)
2011 ptr->score |= score;
2015 void clr_code_score(struct input_code *ptr, nkf_char score)
2018 ptr->score &= ~score;
2022 void code_score(struct input_code *ptr)
2024 nkf_char c2 = ptr->buf[0];
2025 #ifdef UTF8_OUTPUT_ENABLE
2026 nkf_char c1 = ptr->buf[1];
2029 set_code_score(ptr, SCORE_ERROR);
2030 }else if (c2 == SSO){
2031 set_code_score(ptr, SCORE_KANA);
2032 #ifdef UTF8_OUTPUT_ENABLE
2033 }else if (!e2w_conv(c2, c1)){
2034 set_code_score(ptr, SCORE_NO_EXIST);
2036 }else if ((c2 & 0x70) == 0x20){
2037 set_code_score(ptr, score_table_A0[c2 & 0x0f]);
2038 }else if ((c2 & 0x70) == 0x70){
2039 set_code_score(ptr, score_table_F0[c2 & 0x0f]);
2040 }else if ((c2 & 0x70) >= 0x50){
2041 set_code_score(ptr, SCORE_L2);
2045 void status_disable(struct input_code *ptr)
2050 if (iconv == ptr->iconv_func) set_iconv(FALSE, 0);
2053 void status_push_ch(struct input_code *ptr, nkf_char c)
2055 ptr->buf[ptr->index++] = c;
2058 void status_clear(struct input_code *ptr)
2064 void status_reset(struct input_code *ptr)
2067 ptr->score = SCORE_INIT;
2070 void status_reinit(struct input_code *ptr)
2073 ptr->_file_stat = 0;
2076 void status_check(struct input_code *ptr, nkf_char c)
2078 if (c <= DEL && estab_f){
2083 void s_status(struct input_code *ptr, nkf_char c)
2087 status_check(ptr, c);
2092 #ifdef NUMCHAR_OPTION
2093 }else if (is_unicode_capsule(c)){
2096 }else if (0xa1 <= c && c <= 0xdf){
2097 status_push_ch(ptr, SSO);
2098 status_push_ch(ptr, c);
2101 }else if ((0x81 <= c && c < 0xa0) || (0xe0 <= c && c <= 0xef)){
2103 status_push_ch(ptr, c);
2104 #ifdef SHIFTJIS_CP932
2106 && is_ibmext_in_sjis(c)){
2108 status_push_ch(ptr, c);
2109 #endif /* SHIFTJIS_CP932 */
2111 }else if (x0212_f && 0xf0 <= c && c <= 0xfc){
2113 status_push_ch(ptr, c);
2114 #endif /* X0212_ENABLE */
2116 status_disable(ptr);
2120 if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){
2121 status_push_ch(ptr, c);
2122 s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]);
2126 status_disable(ptr);
2130 #ifdef SHIFTJIS_CP932
2131 if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){
2132 status_push_ch(ptr, c);
2133 if (s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]) == 0){
2134 set_code_score(ptr, SCORE_CP932);
2139 #endif /* SHIFTJIS_CP932 */
2140 #ifndef X0212_ENABLE
2141 status_disable(ptr);
2147 void e_status(struct input_code *ptr, nkf_char c)
2151 status_check(ptr, c);
2156 #ifdef NUMCHAR_OPTION
2157 }else if (is_unicode_capsule(c)){
2160 }else if (SSO == c || (0xa1 <= c && c <= 0xfe)){
2162 status_push_ch(ptr, c);
2164 }else if (0x8f == c){
2166 status_push_ch(ptr, c);
2167 #endif /* X0212_ENABLE */
2169 status_disable(ptr);
2173 if (0xa1 <= c && c <= 0xfe){
2174 status_push_ch(ptr, c);
2178 status_disable(ptr);
2183 if (0xa1 <= c && c <= 0xfe){
2185 status_push_ch(ptr, c);
2187 status_disable(ptr);
2189 #endif /* X0212_ENABLE */
2193 #ifdef UTF8_INPUT_ENABLE
2194 void w_status(struct input_code *ptr, nkf_char c)
2198 status_check(ptr, c);
2203 #ifdef NUMCHAR_OPTION
2204 }else if (is_unicode_capsule(c)){
2207 }else if (0xc0 <= c && c <= 0xdf){
2209 status_push_ch(ptr, c);
2210 }else if (0xe0 <= c && c <= 0xef){
2212 status_push_ch(ptr, c);
2213 }else if (0xf0 <= c && c <= 0xf4){
2215 status_push_ch(ptr, c);
2217 status_disable(ptr);
2222 if (0x80 <= c && c <= 0xbf){
2223 status_push_ch(ptr, c);
2224 if (ptr->index > ptr->stat){
2225 int bom = (ptr->buf[0] == 0xef && ptr->buf[1] == 0xbb
2226 && ptr->buf[2] == 0xbf);
2227 w2e_conv(ptr->buf[0], ptr->buf[1], ptr->buf[2],
2228 &ptr->buf[0], &ptr->buf[1]);
2235 status_disable(ptr);
2239 if (0x80 <= c && c <= 0xbf){
2240 if (ptr->index < ptr->stat){
2241 status_push_ch(ptr, c);
2246 status_disable(ptr);
2253 void code_status(nkf_char c)
2255 int action_flag = 1;
2256 struct input_code *result = 0;
2257 struct input_code *p = input_code_list;
2259 if (!p->status_func) {
2263 if (!p->status_func)
2265 (p->status_func)(p, c);
2268 }else if(p->stat == 0){
2279 if (result && !estab_f){
2280 set_iconv(TRUE, result->iconv_func);
2281 }else if (c <= DEL){
2282 struct input_code *ptr = input_code_list;
2292 nkf_char std_getc(FILE *f)
2295 return std_gc_buf[--std_gc_ndx];
2301 nkf_char std_ungetc(nkf_char c, FILE *f)
2303 if (std_gc_ndx == STD_GC_BUFSIZE){
2306 std_gc_buf[std_gc_ndx++] = c;
2311 void std_putc(nkf_char c)
2318 #if !defined(PERL_XS) && !defined(WIN32DLL)
2319 nkf_char noconvert(FILE *f)
2324 module_connection();
2325 while ((c = (*i_getc)(f)) != EOF)
2332 void module_connection(void)
2334 oconv = output_conv;
2337 /* replace continucation module, from output side */
2339 /* output redicrection */
2341 if (noout_f || guess_f){
2348 if (mimeout_f == TRUE) {
2349 o_base64conv = oconv; oconv = base64_conv;
2351 /* base64_count = 0; */
2355 o_crconv = oconv; oconv = cr_conv;
2358 o_rot_conv = oconv; oconv = rot_conv;
2361 o_iso2022jp_check_conv = oconv; oconv = iso2022jp_check_conv;
2364 o_hira_conv = oconv; oconv = hira_conv;
2367 o_fconv = oconv; oconv = fold_conv;
2370 if (alpha_f || x0201_f) {
2371 o_zconv = oconv; oconv = z_conv;
2375 i_ungetc = std_ungetc;
2376 /* input redicrection */
2379 i_cgetc = i_getc; i_getc = cap_getc;
2380 i_cungetc = i_ungetc; i_ungetc= cap_ungetc;
2383 i_ugetc = i_getc; i_getc = url_getc;
2384 i_uungetc = i_ungetc; i_ungetc= url_ungetc;
2387 #ifdef NUMCHAR_OPTION
2389 i_ngetc = i_getc; i_getc = numchar_getc;
2390 i_nungetc = i_ungetc; i_ungetc= numchar_ungetc;
2393 #ifdef UNICODE_NORMALIZATION
2394 if (nfc_f && input_f == UTF8_INPUT){
2395 i_nfc_getc = i_getc; i_getc = nfc_getc;
2396 i_nfc_ungetc = i_ungetc; i_ungetc= nfc_ungetc;
2399 if (mime_f && mimebuf_f==FIXED_MIME) {
2400 i_mgetc = i_getc; i_getc = mime_getc;
2401 i_mungetc = i_ungetc; i_ungetc = mime_ungetc;
2404 i_bgetc = i_getc; i_getc = broken_getc;
2405 i_bungetc = i_ungetc; i_ungetc = broken_ungetc;
2407 if (input_f == JIS_INPUT || input_f == EUC_INPUT || input_f == LATIN1_INPUT) {
2408 set_iconv(-TRUE, e_iconv);
2409 } else if (input_f == SJIS_INPUT) {
2410 set_iconv(-TRUE, s_iconv);
2411 #ifdef UTF8_INPUT_ENABLE
2412 } else if (input_f == UTF8_INPUT) {
2413 set_iconv(-TRUE, w_iconv);
2414 } else if (input_f == UTF16_INPUT) {
2415 set_iconv(-TRUE, w_iconv16);
2416 } else if (input_f == UTF32_INPUT) {
2417 set_iconv(-TRUE, w_iconv32);
2420 set_iconv(FALSE, e_iconv);
2424 struct input_code *p = input_code_list;
2432 * Check and Ignore BOM
2434 void check_bom(FILE *f)
2437 switch(c2 = (*i_getc)(f)){
2439 if((c2 = (*i_getc)(f)) == 0x00){
2440 if((c2 = (*i_getc)(f)) == 0xFE){
2441 if((c2 = (*i_getc)(f)) == 0xFF){
2443 set_iconv(TRUE, w_iconv32);
2445 if (iconv == w_iconv32) {
2446 input_endian = ENDIAN_BIG;
2449 (*i_ungetc)(0xFF,f);
2450 }else (*i_ungetc)(c2,f);
2451 (*i_ungetc)(0xFE,f);
2452 }else if(c2 == 0xFF){
2453 if((c2 = (*i_getc)(f)) == 0xFE){
2455 set_iconv(TRUE, w_iconv32);
2457 if (iconv == w_iconv32) {
2458 input_endian = ENDIAN_2143;
2461 (*i_ungetc)(0xFF,f);
2462 }else (*i_ungetc)(c2,f);
2463 (*i_ungetc)(0xFF,f);
2464 }else (*i_ungetc)(c2,f);
2465 (*i_ungetc)(0x00,f);
2466 }else (*i_ungetc)(c2,f);
2467 (*i_ungetc)(0x00,f);
2470 if((c2 = (*i_getc)(f)) == 0xBB){
2471 if((c2 = (*i_getc)(f)) == 0xBF){
2473 set_iconv(TRUE, w_iconv);
2475 if (iconv == w_iconv) {
2478 (*i_ungetc)(0xBF,f);
2479 }else (*i_ungetc)(c2,f);
2480 (*i_ungetc)(0xBB,f);
2481 }else (*i_ungetc)(c2,f);
2482 (*i_ungetc)(0xEF,f);
2485 if((c2 = (*i_getc)(f)) == 0xFF){
2486 if((c2 = (*i_getc)(f)) == 0x00){
2487 if((c2 = (*i_getc)(f)) == 0x00){
2489 set_iconv(TRUE, w_iconv32);
2491 if (iconv == w_iconv32) {
2492 input_endian = ENDIAN_3412;
2495 (*i_ungetc)(0x00,f);
2496 }else (*i_ungetc)(c2,f);
2497 (*i_ungetc)(0x00,f);
2498 }else (*i_ungetc)(c2,f);
2500 set_iconv(TRUE, w_iconv16);
2502 if (iconv == w_iconv16) {
2503 input_endian = ENDIAN_BIG;
2506 (*i_ungetc)(0xFF,f);
2507 }else (*i_ungetc)(c2,f);
2508 (*i_ungetc)(0xFE,f);
2511 if((c2 = (*i_getc)(f)) == 0xFE){
2512 if((c2 = (*i_getc)(f)) == 0x00){
2513 if((c2 = (*i_getc)(f)) == 0x00){
2515 set_iconv(TRUE, w_iconv32);
2517 if (iconv == w_iconv32) {
2518 input_endian = ENDIAN_LITTLE;
2521 (*i_ungetc)(0x00,f);
2522 }else (*i_ungetc)(c2,f);
2523 (*i_ungetc)(0x00,f);
2524 }else (*i_ungetc)(c2,f);
2526 set_iconv(TRUE, w_iconv16);
2528 if (iconv == w_iconv16) {
2529 input_endian = ENDIAN_LITTLE;
2532 (*i_ungetc)(0xFE,f);
2533 }else (*i_ungetc)(c2,f);
2534 (*i_ungetc)(0xFF,f);
2543 Conversion main loop. Code detection only.
2546 nkf_char kanji_convert(FILE *f)
2548 nkf_char c3, c2=0, c1, c0=0;
2549 int is_8bit = FALSE;
2551 if(input_f == SJIS_INPUT || input_f == EUC_INPUT
2552 #ifdef UTF8_INPUT_ENABLE
2553 || input_f == UTF8_INPUT || input_f == UTF16_INPUT
2560 output_mode = ASCII;
2563 #define NEXT continue /* no output, get next */
2564 #define SEND ; /* output c1 and c2, get next */
2565 #define LAST break /* end of loop, go closing */
2567 module_connection();
2570 while ((c1 = (*i_getc)(f)) != EOF) {
2571 #ifdef INPUT_CODE_FIX
2578 /* in case of 8th bit is on */
2579 if (!estab_f&&!mime_decode_mode) {
2580 /* in case of not established yet */
2581 /* It is still ambiguious */
2582 if (h_conv(f, c2, c1)==EOF)
2588 /* in case of already established */
2589 if (c1 < AT && !(X0208 && 0x80 <= c2 && c2 <= 0x92)) {
2590 /* ignore bogus code and not CP5022x UCD */
2598 /* second byte, 7 bit code */
2599 /* it might be kanji shitfted */
2600 if ((c1 == DEL) || (c1 <= SPACE)) {
2601 /* ignore bogus first code */
2608 #ifdef UTF8_INPUT_ENABLE
2609 if (iconv == w_iconv16) {
2610 if (input_endian == ENDIAN_BIG) {
2612 if ((c1 = (*i_getc)(f)) != EOF) {
2613 if (0xD8 <= c2 && c2 <= 0xDB) {
2614 if ((c0 = (*i_getc)(f)) != EOF) {
2616 if ((c3 = (*i_getc)(f)) != EOF) {
2623 if ((c2 = (*i_getc)(f)) != EOF) {
2624 if (0xD8 <= c2 && c2 <= 0xDB) {
2625 if ((c3 = (*i_getc)(f)) != EOF) {
2626 if ((c0 = (*i_getc)(f)) != EOF) {
2635 } else if(iconv == w_iconv32){
2637 if((c2 = (*i_getc)(f)) != EOF &&
2638 (c1 = (*i_getc)(f)) != EOF &&
2639 (c0 = (*i_getc)(f)) != EOF){
2640 switch(input_endian){
2642 c1 = (c2&0xFF)<<16 | (c1&0xFF)<<8 | (c0&0xFF);
2645 c1 = (c3&0xFF) | (c2&0xFF)<<8 | (c1&0xFF)<<16;
2648 c1 = (c3&0xFF)<<16 | (c1&0xFF) | (c0&0xFF)<<8;
2651 c1 = (c3&0xFF)<<8 | (c2&0xFF) | (c0&0xFF)<<16;
2661 #ifdef NUMCHAR_OPTION
2662 if (is_unicode_capsule(c1)){
2668 if (!estab_f && !iso8859_f) {
2669 /* not established yet */
2672 } else { /* estab_f==TRUE */
2677 } else if (SSP<=c1 && c1<0xe0 && iconv == s_iconv) {
2678 /* SJIS X0201 Case... */
2679 if(iso2022jp_f && x0201_f==NO_X0201) {
2680 (*oconv)(GETA1, GETA2);
2687 } else if (c1==SSO && iconv != s_iconv) {
2688 /* EUC X0201 Case */
2689 c1 = (*i_getc)(f); /* skip SSO */
2691 if (SSP<=c1 && c1<0xe0) {
2692 if(iso2022jp_f && x0201_f==NO_X0201) {
2693 (*oconv)(GETA1, GETA2);
2700 } else { /* bogus code, skip SSO and one byte */
2704 /* already established */
2709 } else if ((c1 > SPACE) && (c1 != DEL)) {
2710 /* in case of Roman characters */
2712 /* output 1 shifted byte */
2716 } else if (SPACE<=c1 && c1<(0xe0&0x7f) ){
2717 /* output 1 shifted byte */
2718 if(iso2022jp_f && x0201_f==NO_X0201) {
2719 (*oconv)(GETA1, GETA2);
2726 /* look like bogus code */
2729 } else if (input_mode == X0208 || input_mode == X0212 ||
2730 input_mode == X0213_1 || input_mode == X0213_2) {
2731 /* in case of Kanji shifted */
2734 } else if (c1 == '=' && mime_f && !mime_decode_mode ) {
2735 /* Check MIME code */
2736 if ((c1 = (*i_getc)(f)) == EOF) {
2739 } else if (c1 == '?') {
2740 /* =? is mime conversion start sequence */
2741 if(mime_f == STRICT_MIME) {
2742 /* check in real detail */
2743 if (mime_begin_strict(f) == EOF)
2747 } else if (mime_begin(f) == EOF)
2757 /* normal ASCII code */
2760 } else if (!is_8bit && c1 == SI) {
2763 } else if (!is_8bit && c1 == SO) {
2766 } else if (!is_8bit && c1 == ESC ) {
2767 if ((c1 = (*i_getc)(f)) == EOF) {
2768 /* (*oconv)(0, ESC); don't send bogus code */
2770 } else if (c1 == '$') {
2771 if ((c1 = (*i_getc)(f)) == EOF) {
2773 (*oconv)(0, ESC); don't send bogus code
2774 (*oconv)(0, '$'); */
2776 } else if (c1 == '@'|| c1 == 'B') {
2777 /* This is kanji introduction */
2780 set_input_codename("ISO-2022-JP");
2782 debug(input_codename);
2785 } else if (c1 == '(') {
2786 if ((c1 = (*i_getc)(f)) == EOF) {
2787 /* don't send bogus code
2793 } else if (c1 == '@'|| c1 == 'B') {
2794 /* This is kanji introduction */
2799 } else if (c1 == 'D'){
2803 #endif /* X0212_ENABLE */
2804 } else if (c1 == (X0213_1&0x7F)){
2805 input_mode = X0213_1;
2808 } else if (c1 == (X0213_2&0x7F)){
2809 input_mode = X0213_2;
2813 /* could be some special code */
2820 } else if (broken_f&0x2) {
2821 /* accept any ESC-(-x as broken code ... */
2831 } else if (c1 == '(') {
2832 if ((c1 = (*i_getc)(f)) == EOF) {
2833 /* don't send bogus code
2835 (*oconv)(0, '('); */
2839 /* This is X0201 kana introduction */
2840 input_mode = X0201; shift_mode = X0201;
2842 } else if (c1 == 'B' || c1 == 'J' || c1 == 'H') {
2843 /* This is X0208 kanji introduction */
2844 input_mode = ASCII; shift_mode = FALSE;
2846 } else if (broken_f&0x2) {
2847 input_mode = ASCII; shift_mode = FALSE;
2852 /* maintain various input_mode here */
2856 } else if ( c1 == 'N' || c1 == 'n' ){
2858 c3 = (*i_getc)(f); /* skip SS2 */
2859 if ( (SPACE<=c3 && c3 < 0x60) || (0xa0<=c3 && c3 < 0xe0)){
2874 } else if ((c1 == NL || c1 == CR) && broken_f&4) {
2875 input_mode = ASCII; set_iconv(FALSE, 0);
2877 } else if (c1 == NL && mime_decode_f && !mime_decode_mode ) {
2878 if ((c1=(*i_getc)(f))!=EOF && c1 == SPACE) {
2886 } else if (c1 == CR && mime_decode_f && !mime_decode_mode ) {
2887 if ((c1=(*i_getc)(f))!=EOF) {
2891 } else if (c1 == NL && (c1=(*i_getc)(f))!=EOF && c1 == SPACE) {
2903 } else if (c1 == DEL && input_mode == X0208 ) {
2913 switch ((*iconv)(c2, c1, c0)) { /* can be EUC / SJIS / UTF-8 / UTF-16 */
2916 if ((c0 = (*i_getc)(f)) != EOF) {
2919 if ((c3 = (*i_getc)(f)) != EOF) {
2921 (*iconv)(c2, c1, c0|c3);
2926 /* 3 bytes EUC or UTF-8 */
2927 if ((c0 = (*i_getc)(f)) != EOF) {
2929 (*iconv)(c2, c1, c0);
2936 if (ms_ucs_map_f == UCS_MAP_CP932 &&
2937 0x7F <= c2 && c2 <= 0x92 &&
2938 0x21 <= c1 && c1 <= 0x7E) {
2940 if(c1 == 0x7F) return 0;
2941 c1 = (c2 - 0x7F) * 94 + c1 - 0x21 + 0xE000 + CLASS_UNICODE;
2944 (*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */
2948 (*oconv)(PREFIX_EUCG3 | c2, c1);
2950 #endif /* X0212_ENABLE */
2952 (*oconv)(PREFIX_EUCG3 | c2, c1);
2955 (*oconv)(input_mode, c1); /* other special case */
2961 /* goto next_word */
2965 (*iconv)(EOF, 0, 0);
2966 if (!is_inputcode_set)
2969 struct input_code *p = input_code_list;
2970 struct input_code *result = p;
2972 if (p->score < result->score) result = p;
2975 set_input_codename(result->name);
2982 h_conv(FILE *f, nkf_char c2, nkf_char c1)
2984 nkf_char ret, c3, c0;
2988 /** it must NOT be in the kanji shifte sequence */
2989 /** it must NOT be written in JIS7 */
2990 /** and it must be after 2 byte 8bit code */
2996 while ((c1 = (*i_getc)(f)) != EOF) {
3002 if (push_hold_buf(c1) == EOF || estab_f){
3008 struct input_code *p = input_code_list;
3009 struct input_code *result = p;
3014 if (p->score < result->score){
3019 set_iconv(FALSE, result->iconv_func);
3024 ** 1) EOF is detected, or
3025 ** 2) Code is established, or
3026 ** 3) Buffer is FULL (but last word is pushed)
3028 ** in 1) and 3) cases, we continue to use
3029 ** Kanji codes by oconv and leave estab_f unchanged.
3034 while (hold_index < hold_count){
3035 c2 = hold_buf[hold_index++];
3037 #ifdef NUMCHAR_OPTION
3038 || is_unicode_capsule(c2)
3043 }else if (iconv == s_iconv && 0xa1 <= c2 && c2 <= 0xdf){
3044 (*iconv)(X0201, c2, 0);
3047 if (hold_index < hold_count){
3048 c1 = hold_buf[hold_index++];
3058 switch ((*iconv)(c2, c1, 0)) { /* can be EUC/SJIS/UTF-8 */
3061 if (hold_index < hold_count){
3062 c0 = hold_buf[hold_index++];
3063 } else if ((c0 = (*i_getc)(f)) == EOF) {
3069 if (hold_index < hold_count){
3070 c3 = hold_buf[hold_index++];
3071 } else if ((c3 = (*i_getc)(f)) == EOF) {
3076 (*iconv)(c2, c1, c0|c3);
3081 /* 3 bytes EUC or UTF-8 */
3082 if (hold_index < hold_count){
3083 c0 = hold_buf[hold_index++];
3084 } else if ((c0 = (*i_getc)(f)) == EOF) {
3090 (*iconv)(c2, c1, c0);
3093 if (c0 == EOF) break;
3098 nkf_char push_hold_buf(nkf_char c2)
3100 if (hold_count >= HOLD_SIZE*2)
3102 hold_buf[hold_count++] = (unsigned char)c2;
3103 return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count);
3106 nkf_char s2e_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1)
3108 #if defined(SHIFTJIS_CP932) || defined(X0212_ENABLE)
3111 static const nkf_char shift_jisx0213_s1a3_table[5][2] ={ { 1, 8}, { 3, 4}, { 5,12}, {13,14}, {15, 0} };
3112 #ifdef SHIFTJIS_CP932
3113 if (cp51932_f && is_ibmext_in_sjis(c2)){
3115 extern const unsigned short shiftjis_cp932[3][189];
3117 val = shiftjis_cp932[c2 - CP932_TABLE_BEGIN][c1 - 0x40];
3123 #endif /* SHIFTJIS_CP932 */
3125 if (!x0213_f && is_ibmext_in_sjis(c2)){
3127 extern const unsigned short shiftjis_x0212[3][189];
3129 val = shiftjis_x0212[c2 - 0xfa][c1 - 0x40];
3132 c2 = PREFIX_EUCG3 | (val >> 8);
3145 if(x0213_f && c2 >= 0xF0){
3146 if(c2 <= 0xF3 || (c2 == 0xF4 && c1 < 0x9F)){ /* k=1, 3<=k<=5, k=8, 12<=k<=15 */
3147 c2 = PREFIX_EUCG3 | 0x20 | shift_jisx0213_s1a3_table[c2 - 0xF0][0x9E < c1];
3148 }else{ /* 78<=k<=94 */
3149 c2 = PREFIX_EUCG3 | (c2 * 2 - 0x17B);
3150 if (0x9E < c1) c2++;
3153 c2 = c2 + c2 - ((c2 <= 0x9F) ? SJ0162 : SJ6394);
3154 if (0x9E < c1) c2++;
3157 c1 = c1 - ((c1 > DEL) ? SPACE : 0x1F);
3164 c2 = x0212_unshift(c2);
3171 nkf_char s_iconv(nkf_char c2, nkf_char c1, nkf_char c0)
3175 } else if ((c2 == EOF) || (c2 == 0) || c2 < SPACE) {
3177 } else if (ms_ucs_map_f == UCS_MAP_CP932 &&
3178 0xF0 <= c2 && c2 <= 0xF9 &&
3179 0x40 <= c1 && c1 <= 0xFC) {
3181 if(c1 == 0x7F) return 0;
3182 c1 = (c2 - 0xF0) * 188 + (c1 - 0x40 - (0x7E < c1)) + 0xE000 + CLASS_UNICODE;
3185 nkf_char ret = s2e_conv(c2, c1, &c2, &c1);
3186 if (ret) return ret;
3192 nkf_char e_iconv(nkf_char c2, nkf_char c1, nkf_char c0)
3197 }else if (c2 == 0x8f){
3201 if (ms_ucs_map_f == UCS_MAP_MS && 0xF5 <= c1 && c1 <= 0xFE && 0xA1 <= c0 && c0 <= 0xFE) {
3202 /* encoding is eucJP-ms, so invert to Unicode Private User Area */
3203 c1 = (c1 - 0xF5) * 94 + c0 - 0xA1 + 0xE3AC + CLASS_UNICODE;
3206 c2 = (c2 << 8) | (c1 & 0x7f);
3208 #ifdef SHIFTJIS_CP932
3211 if (e2s_conv(c2, c1, &s2, &s1) == 0){
3212 s2e_conv(s2, s1, &c2, &c1);
3219 #endif /* SHIFTJIS_CP932 */
3221 #endif /* X0212_ENABLE */
3222 } else if (c2 == SSO){
3225 } else if ((c2 == EOF) || (c2 == 0) || c2 < SPACE) {
3228 if (ms_ucs_map_f == UCS_MAP_MS && 0xF5 <= c2 && c2 <= 0xFE && 0xA1 <= c1 && c1 <= 0xFE) {
3229 /* encoding is eucJP-ms, so invert to Unicode Private User Area */
3230 c1 = (c2 - 0xF5) * 94 + c1 - 0xA1 + 0xE000 + CLASS_UNICODE;
3241 #ifdef UTF8_INPUT_ENABLE
3242 nkf_char w2e_conv(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1)
3249 }else if (0xc0 <= c2 && c2 <= 0xef) {
3250 ret = unicode_to_jis_common(c2, c1, c0, p2, p1);
3251 #ifdef NUMCHAR_OPTION
3254 if (p1) *p1 = CLASS_UNICODE | ww16_conv(c2, c1, c0);
3262 nkf_char w_iconv(nkf_char c2, nkf_char c1, nkf_char c0)
3265 static const int w_iconv_utf8_1st_byte[] =
3267 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
3268 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
3269 30, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 32, 33, 33,
3270 40, 41, 41, 41, 42, 43, 43, 43, 50, 50, 50, 50, 60, 60, 70, 70};
3272 if (c2 < 0 || 0xff < c2) {
3273 }else if (c2 == 0) { /* 0 : 1 byte*/
3275 } else if ((c2 & 0xc0) == 0x80) { /* 0x80-0xbf : trail byte */
3278 switch (w_iconv_utf8_1st_byte[c2 - 0xC0]) {
3280 if (c1 < 0x80 || 0xBF < c1) return 0;
3283 if (c0 == 0) return -1;
3284 if (c1 < 0xA0 || 0xBF < c1 || (c0 & 0xc0) != 0x80)
3289 if (c0 == 0) return -1;
3290 if ((c1 & 0xc0) != 0x80 || (c0 & 0xc0) != 0x80)
3294 if (c0 == 0) return -1;
3295 if (c1 < 0x80 || 0x9F < c1 || (c0 & 0xc0) != 0x80)
3299 if (c0 == 0) return -2;
3300 if (c1 < 0x90 || 0xBF < c1 || (c0 & 0xc0c0) != 0x8080)
3304 if (c0 == 0) return -2;
3305 if (c1 < 0x80 || 0xBF < c1 || (c0 & 0xc0c0) != 0x8080)
3309 if (c0 == 0) return -2;
3310 if (c1 < 0x80 || 0x8F < c1 || (c0 & 0xc0c0) != 0x8080)
3318 if (c2 == 0 || c2 == EOF){
3319 } else if ((c2 & 0xf8) == 0xf0) { /* 4 bytes */
3320 c1 = CLASS_UNICODE | ww16_conv(c2, c1, c0);
3323 ret = w2e_conv(c2, c1, c0, &c2, &c1);
3332 #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
3333 void w16w_conv(nkf_char val, nkf_char *p2, nkf_char *p1, nkf_char *p0)
3340 }else if (val < 0x800){
3341 *p2 = 0xc0 | (val >> 6);
3342 *p1 = 0x80 | (val & 0x3f);
3344 } else if (val <= NKF_INT32_C(0xFFFF)) {
3345 *p2 = 0xe0 | (val >> 12);
3346 *p1 = 0x80 | ((val >> 6) & 0x3f);
3347 *p0 = 0x80 | (val & 0x3f);
3348 } else if (val <= NKF_INT32_C(0x10FFFF)) {
3349 *p2 = 0xe0 | (val >> 16);
3350 *p1 = 0x80 | ((val >> 12) & 0x3f);
3351 *p0 = 0x8080 | ((val << 2) & 0x3f00)| (val & 0x3f);
3360 #ifdef UTF8_INPUT_ENABLE
3361 nkf_char ww16_conv(nkf_char c2, nkf_char c1, nkf_char c0)
3366 } else if (c2 >= 0xf0){
3367 /* c2: 1st, c1: 2nd, c0: 3rd/4th */
3368 val = (c2 & 0x0f) << 18;
3369 val |= (c1 & 0x3f) << 12;
3370 val |= (c0 & 0x3f00) >> 2;
3372 }else if (c2 >= 0xe0){
3373 val = (c2 & 0x0f) << 12;
3374 val |= (c1 & 0x3f) << 6;
3376 }else if (c2 >= 0xc0){
3377 val = (c2 & 0x1f) << 6;
3385 nkf_char w16e_conv(nkf_char val, nkf_char *p2, nkf_char *p1)
3387 nkf_char c2, c1, c0;
3394 w16w_conv(val, &c2, &c1, &c0);
3395 ret = unicode_to_jis_common(c2, c1, c0, p2, p1);
3396 #ifdef NUMCHAR_OPTION
3399 *p1 = CLASS_UNICODE | val;
3408 #ifdef UTF8_INPUT_ENABLE
3409 nkf_char w_iconv16(nkf_char c2, nkf_char c1, nkf_char c0)
3412 if ((c2==0 && c1 < 0x80) || c2==EOF) {
3415 }else if (0xD8 <= c2 && c2 <= 0xDB) {
3416 if (c0 < NKF_INT32_C(0xDC00) || NKF_INT32_C(0xDFFF) < c0)
3418 c1 = CLASS_UNICODE | ((c2 << 18) + (c1 << 10) + c0 - NKF_INT32_C(0x35FDC00));
3420 }else if ((c2>>3) == 27) { /* unpaired surrogate */
3425 }else ret = w16e_conv(((c2 & 0xff)<<8) + c1, &c2, &c1);
3426 if (ret) return ret;
3431 nkf_char w_iconv32(nkf_char c2, nkf_char c1, nkf_char c0)
3435 if ((c2 == 0 && c1 < 0x80) || c2==EOF) {
3436 } else if (is_unicode_bmp(c1)) {
3437 ret = w16e_conv(c1, &c2, &c1);
3440 c1 = CLASS_UNICODE | c1;
3442 if (ret) return ret;
3447 nkf_char unicode_to_jis_common(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1)
3450 extern const unsigned short *const utf8_to_euc_2bytes[];
3451 extern const unsigned short *const utf8_to_euc_2bytes_ms[];
3452 extern const unsigned short *const utf8_to_euc_2bytes_932[];
3453 extern const unsigned short *const *const utf8_to_euc_3bytes[];
3454 extern const unsigned short *const *const utf8_to_euc_3bytes_ms[];
3455 extern const unsigned short *const *const utf8_to_euc_3bytes_932[];
3457 const unsigned short *const *pp;
3458 const unsigned short *const *const *ppp;
3459 static const int no_best_fit_chars_table_C2[] =
3460 {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
3461 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
3462 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 2, 1, 1, 2,
3463 0, 0, 1, 1, 0, 1, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1};
3464 static const int no_best_fit_chars_table_C2_ms[] =
3465 {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
3466 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
3467 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0,
3468 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0};
3469 static const int no_best_fit_chars_table_932_C2[] =
3470 {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
3471 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
3472 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1,
3473 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0};
3474 static const int no_best_fit_chars_table_932_C3[] =
3475 {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
3476 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1,
3477 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
3478 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1};
3484 }else if(c2 < 0xe0){
3485 if(no_best_fit_chars_f){
3486 if(ms_ucs_map_f == UCS_MAP_CP932){
3489 if(no_best_fit_chars_table_932_C2[c1&0x3F]) return 1;
3492 if(no_best_fit_chars_table_932_C3[c1&0x3F]) return 1;
3495 }else if(cp51932_f){
3498 if(no_best_fit_chars_table_C2[c1&0x3F]) return 1;
3501 if(no_best_fit_chars_table_932_C3[c1&0x3F]) return 1;
3504 }else if(ms_ucs_map_f == UCS_MAP_MS){
3505 if(c2 == 0xC2 && no_best_fit_chars_table_C2_ms[c1&0x3F]) return 1;
3509 ms_ucs_map_f == UCS_MAP_CP932 ? utf8_to_euc_2bytes_932 :
3510 ms_ucs_map_f == UCS_MAP_MS ? utf8_to_euc_2bytes_ms :
3512 ret = w_iconv_common(c2, c1, pp, sizeof_utf8_to_euc_2bytes, p2, p1);
3513 }else if(c0 < 0xF0){
3514 if(no_best_fit_chars_f){
3515 if(ms_ucs_map_f == UCS_MAP_CP932){
3516 if(c2 == 0xE3 && c1 == 0x82 && c0 == 0x94) return 1;
3517 }else if(ms_ucs_map_f == UCS_MAP_MS){
3522 if(c0 == 0x94 || c0 == 0x96 || c0 == 0xBE) return 1;
3525 if(c0 == 0x92) return 1;
3530 if(c1 == 0x80 || c0 == 0x9C) return 1;
3538 if(c0 == 0x95) return 1;
3541 if(c0 == 0xA5) return 1;
3548 if(c0 == 0x8D) return 1;
3551 if(c0 == 0x9E && cp51932_f) return 1;
3554 if(0xA0 <= c0 && c0 <= 0xA5) return 1;
3562 ms_ucs_map_f == UCS_MAP_CP932 ? utf8_to_euc_3bytes_932 :
3563 ms_ucs_map_f == UCS_MAP_MS ? utf8_to_euc_3bytes_ms :
3565 ret = w_iconv_common(c1, c0, ppp[c2 - 0xE0], sizeof_utf8_to_euc_C2, p2, p1);
3567 #ifdef SHIFTJIS_CP932
3568 if (!ret && cp51932_f && is_eucg3(*p2)) {
3570 if (e2s_conv(*p2, *p1, &s2, &s1) == 0) {
3571 s2e_conv(s2, s1, p2, p1);
3580 nkf_char w_iconv_common(nkf_char c1, nkf_char c0, const unsigned short *const *pp, nkf_char psize, nkf_char *p2, nkf_char *p1)
3583 const unsigned short *p;
3586 if (pp == 0) return 1;
3589 if (c1 < 0 || psize <= c1) return 1;
3591 if (p == 0) return 1;
3594 if (c0 < 0 || sizeof_utf8_to_euc_C2 <= c0) return 1;
3596 if (val == 0) return 1;
3597 if (no_cp932ext_f && (
3598 (val>>8) == 0x2D || /* NEC special characters */
3599 val > NKF_INT32_C(0xF300) /* IBM extended characters */
3607 if (c2 == SO) c2 = X0201;
3614 void nkf_each_char_to_hex(void (*f)(nkf_char c2,nkf_char c1), nkf_char c)
3616 const char *hex = "0123456789ABCDEF";
3622 (*f)(0, hex[(c>>shift)&0xF]);
3632 void encode_fallback_html(nkf_char c)
3637 if(c >= NKF_INT32_C(1000000))
3638 (*oconv)(0, 0x30+(c/NKF_INT32_C(1000000))%10);
3639 if(c >= NKF_INT32_C(100000))
3640 (*oconv)(0, 0x30+(c/NKF_INT32_C(100000) )%10);
3642 (*oconv)(0, 0x30+(c/10000 )%10);
3644 (*oconv)(0, 0x30+(c/1000 )%10);
3646 (*oconv)(0, 0x30+(c/100 )%10);
3648 (*oconv)(0, 0x30+(c/10 )%10);
3650 (*oconv)(0, 0x30+ c %10);
3655 void encode_fallback_xml(nkf_char c)
3660 nkf_each_char_to_hex(oconv, c);
3665 void encode_fallback_java(nkf_char c)
3667 const char *hex = "0123456789ABCDEF";
3670 if(!is_unicode_bmp(c)){
3674 (*oconv)(0, hex[(c>>20)&0xF]);
3675 (*oconv)(0, hex[(c>>16)&0xF]);
3679 (*oconv)(0, hex[(c>>12)&0xF]);
3680 (*oconv)(0, hex[(c>> 8)&0xF]);
3681 (*oconv)(0, hex[(c>> 4)&0xF]);
3682 (*oconv)(0, hex[ c &0xF]);
3686 void encode_fallback_perl(nkf_char c)
3691 nkf_each_char_to_hex(oconv, c);
3696 void encode_fallback_subchar(nkf_char c)
3698 c = unicode_subchar;
3699 (*oconv)((c>>8)&0xFF, c&0xFF);
3704 #ifdef UTF8_OUTPUT_ENABLE
3705 nkf_char e2w_conv(nkf_char c2, nkf_char c1)
3708 extern const unsigned short euc_to_utf8_1byte[];
3709 extern const unsigned short *const euc_to_utf8_2bytes[];
3710 extern const unsigned short *const euc_to_utf8_2bytes_ms[];
3711 extern const unsigned short *const x0212_to_utf8_2bytes[];
3713 const unsigned short *p;
3716 p = euc_to_utf8_1byte;
3718 } else if (is_eucg3(c2)){
3719 if(ms_ucs_map_f == UCS_MAP_ASCII&& c2 == NKF_INT32_C(0x8F22) && c1 == 0x43){
3722 c2 = (c2&0x7f) - 0x21;
3723 if (0<=c2 && c2<sizeof_euc_to_utf8_2bytes)
3724 p = x0212_to_utf8_2bytes[c2];
3730 c2 = (c2&0x7f) - 0x21;
3731 if (0<=c2 && c2<sizeof_euc_to_utf8_2bytes)
3732 p = ms_ucs_map_f != UCS_MAP_ASCII ? euc_to_utf8_2bytes_ms[c2] : euc_to_utf8_2bytes[c2];
3737 c1 = (c1 & 0x7f) - 0x21;
3738 if (0<=c1 && c1<sizeof_euc_to_utf8_1byte)
3743 void w_oconv(nkf_char c2, nkf_char c1)
3749 output_bom_f = FALSE;
3760 #ifdef NUMCHAR_OPTION
3761 if (c2 == 0 && is_unicode_capsule(c1)){
3762 val = c1 & VALUE_MASK;
3765 }else if (val < 0x800){
3766 (*o_putc)(0xC0 | (val >> 6));
3767 (*o_putc)(0x80 | (val & 0x3f));
3768 } else if (val <= NKF_INT32_C(0xFFFF)) {
3769 (*o_putc)(0xE0 | (val >> 12));
3770 (*o_putc)(0x80 | ((val >> 6) & 0x3f));
3771 (*o_putc)(0x80 | (val & 0x3f));
3772 } else if (val <= NKF_INT32_C(0x10FFFF)) {
3773 (*o_putc)(0xF0 | ( val>>18));
3774 (*o_putc)(0x80 | ((val>>12) & 0x3f));
3775 (*o_putc)(0x80 | ((val>> 6) & 0x3f));
3776 (*o_putc)(0x80 | ( val & 0x3f));
3783 output_mode = ASCII;
3785 } else if (c2 == ISO8859_1) {
3786 output_mode = ISO8859_1;
3787 (*o_putc)(c1 | 0x080);
3790 val = e2w_conv(c2, c1);
3792 w16w_conv(val, &c2, &c1, &c0);
3796 if (c0) (*o_putc)(c0);
3802 void w_oconv16(nkf_char c2, nkf_char c1)
3805 output_bom_f = FALSE;
3806 if (output_endian == ENDIAN_LITTLE){
3807 (*o_putc)((unsigned char)'\377');
3811 (*o_putc)((unsigned char)'\377');
3820 if (c2 == ISO8859_1) {
3823 #ifdef NUMCHAR_OPTION
3824 } else if (c2 == 0 && is_unicode_capsule(c1)) {
3825 if (is_unicode_bmp(c1)) {
3826 c2 = (c1 >> 8) & 0xff;
3830 if (c1 <= UNICODE_MAX) {
3831 c2 = (c1 >> 10) + NKF_INT32_C(0xD7C0); /* high surrogate */
3832 c1 = (c1 & 0x3FF) + NKF_INT32_C(0xDC00); /* low surrogate */
3833 if (output_endian == ENDIAN_LITTLE){
3834 (*o_putc)(c2 & 0xff);
3835 (*o_putc)((c2 >> 8) & 0xff);
3836 (*o_putc)(c1 & 0xff);
3837 (*o_putc)((c1 >> 8) & 0xff);
3839 (*o_putc)((c2 >> 8) & 0xff);
3840 (*o_putc)(c2 & 0xff);
3841 (*o_putc)((c1 >> 8) & 0xff);
3842 (*o_putc)(c1 & 0xff);
3849 nkf_char val = e2w_conv(c2, c1);
3850 c2 = (val >> 8) & 0xff;
3854 if (output_endian == ENDIAN_LITTLE){
3863 void w_oconv32(nkf_char c2, nkf_char c1)
3866 output_bom_f = FALSE;
3867 if (output_endian == ENDIAN_LITTLE){
3868 (*o_putc)((unsigned char)'\377');
3876 (*o_putc)((unsigned char)'\377');
3885 if (c2 == ISO8859_1) {
3887 #ifdef NUMCHAR_OPTION
3888 } else if (c2 == 0 && is_unicode_capsule(c1)) {
3892 c1 = e2w_conv(c2, c1);
3895 if (output_endian == ENDIAN_LITTLE){
3896 (*o_putc)( c1 & NKF_INT32_C(0x000000FF));
3897 (*o_putc)((c1 & NKF_INT32_C(0x0000FF00)) >> 8);
3898 (*o_putc)((c1 & NKF_INT32_C(0x00FF0000)) >> 16);
3902 (*o_putc)((c1 & NKF_INT32_C(0x00FF0000)) >> 16);
3903 (*o_putc)((c1 & NKF_INT32_C(0x0000FF00)) >> 8);
3904 (*o_putc)( c1 & NKF_INT32_C(0x000000FF));
3909 void e_oconv(nkf_char c2, nkf_char c1)
3911 #ifdef NUMCHAR_OPTION
3912 if (c2 == 0 && is_unicode_capsule(c1)){
3913 w16e_conv(c1, &c2, &c1);
3914 if (c2 == 0 && is_unicode_capsule(c1)){
3915 c2 = c1 & VALUE_MASK;
3916 if (ms_ucs_map_f == UCS_MAP_MS &&
3917 0xE000 <= c2 && c2 <= 0xE757) {
3921 c2 += c2 < 10 ? 0x75 : 0x8FEB;
3922 c1 = 0x21 + c1 % 94;
3924 if (encode_fallback) (*encode_fallback)(c1);
3933 } else if (c2 == 0) {
3934 output_mode = ASCII;
3936 } else if (c2 == X0201) {
3937 output_mode = JAPANESE_EUC;
3938 (*o_putc)(SSO); (*o_putc)(c1|0x80);
3939 } else if (c2 == ISO8859_1) {
3940 output_mode = ISO8859_1;
3941 (*o_putc)(c1 | 0x080);
3943 } else if (is_eucg3(c2)){
3944 output_mode = JAPANESE_EUC;
3945 #ifdef SHIFTJIS_CP932
3948 if (e2s_conv(c2, c1, &s2, &s1) == 0){
3949 s2e_conv(s2, s1, &c2, &c1);
3954 output_mode = ASCII;
3956 }else if (is_eucg3(c2)){
3959 (*o_putc)((c2 & 0x7f) | 0x080);
3960 (*o_putc)(c1 | 0x080);
3963 (*o_putc)((c2 & 0x7f) | 0x080);
3964 (*o_putc)(c1 | 0x080);
3968 if (!nkf_isgraph(c1) || !nkf_isgraph(c2)) {
3969 set_iconv(FALSE, 0);
3970 return; /* too late to rescue this char */
3972 output_mode = JAPANESE_EUC;
3973 (*o_putc)(c2 | 0x080);
3974 (*o_putc)(c1 | 0x080);
3979 nkf_char x0212_shift(nkf_char c)
3984 if (0x75 <= c && c <= 0x7f){
3985 ret = c + (0x109 - 0x75);
3988 if (0x75 <= c && c <= 0x7f){
3989 ret = c + (0x113 - 0x75);
3996 nkf_char x0212_unshift(nkf_char c)
3999 if (0x7f <= c && c <= 0x88){
4000 ret = c + (0x75 - 0x7f);
4001 }else if (0x89 <= c && c <= 0x92){
4002 ret = PREFIX_EUCG3 | 0x80 | (c + (0x75 - 0x89));
4006 #endif /* X0212_ENABLE */
4008 nkf_char e2s_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1)
4014 if((0x21 <= ndx && ndx <= 0x2F)){
4015 if (p2) *p2 = ((ndx - 1) >> 1) + 0xec - ndx / 8 * 3;
4016 if (p1) *p1 = c1 + ((ndx & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e);
4018 }else if(0x6E <= ndx && ndx <= 0x7E){
4019 if (p2) *p2 = ((ndx - 1) >> 1) + 0xbe;
4020 if (p1) *p1 = c1 + ((ndx & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e);
4026 else if(nkf_isgraph(ndx)){
4028 const unsigned short *ptr;
4030 extern const unsigned short *const x0212_shiftjis[];
4032 ptr = x0212_shiftjis[ndx - 0x21];
4034 val = ptr[(c1 & 0x7f) - 0x21];
4043 c2 = x0212_shift(c2);
4045 #endif /* X0212_ENABLE */
4047 if(0x7F < c2) return 1;
4048 if (p2) *p2 = ((c2 - 1) >> 1) + ((c2 <= 0x5e) ? 0x71 : 0xb1);
4049 if (p1) *p1 = c1 + ((c2 & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e);
4053 void s_oconv(nkf_char c2, nkf_char c1)
4055 #ifdef NUMCHAR_OPTION
4056 if (c2 == 0 && is_unicode_capsule(c1)){
4057 w16e_conv(c1, &c2, &c1);
4058 if (c2 == 0 && is_unicode_capsule(c1)){
4059 c2 = c1 & VALUE_MASK;
4060 if (ms_ucs_map_f == UCS_MAP_CP932 &&
4061 0xE000 <= c2 && c2 <= 0xE757) {
4064 c2 = c1 / 188 + 0xF0;
4066 c1 += 0x40 + (c1 > 0x3e);
4068 if(encode_fallback)(*encode_fallback)(c1);
4077 } else if (c2 == 0) {
4078 output_mode = ASCII;
4080 } else if (c2 == X0201) {
4081 output_mode = SHIFT_JIS;
4083 } else if (c2 == ISO8859_1) {
4084 output_mode = ISO8859_1;
4085 (*o_putc)(c1 | 0x080);
4087 } else if (is_eucg3(c2)){
4088 output_mode = SHIFT_JIS;
4089 if (e2s_conv(c2, c1, &c2, &c1) == 0){
4095 if (!nkf_isprint(c1) || !nkf_isprint(c2)) {
4096 set_iconv(FALSE, 0);
4097 return; /* too late to rescue this char */
4099 output_mode = SHIFT_JIS;
4100 e2s_conv(c2, c1, &c2, &c1);
4102 #ifdef SHIFTJIS_CP932
4104 && CP932INV_TABLE_BEGIN <= c2 && c2 <= CP932INV_TABLE_END){
4106 extern const unsigned short cp932inv[2][189];
4108 nkf_char c = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40];
4114 #endif /* SHIFTJIS_CP932 */
4117 if (prefix_table[(unsigned char)c1]){
4118 (*o_putc)(prefix_table[(unsigned char)c1]);
4124 void j_oconv(nkf_char c2, nkf_char c1)
4126 #ifdef NUMCHAR_OPTION
4127 if (c2 == 0 && is_unicode_capsule(c1)){
4128 w16e_conv(c1, &c2, &c1);
4129 if (c2 == 0 && is_unicode_capsule(c1)){
4130 c2 = c1 & VALUE_MASK;
4131 if (ms_ucs_map_f == UCS_MAP_CP932 &&
4132 0xE000 <= c2 && c2 <= 0xE757) {
4135 c2 = 0x7F + c1 / 94;
4136 c1 = 0x21 + c1 % 94;
4138 if (encode_fallback) (*encode_fallback)(c1);
4145 if (output_mode !=ASCII && output_mode!=ISO8859_1) {
4148 (*o_putc)(ascii_intro);
4149 output_mode = ASCII;
4153 } else if (is_eucg3(c2)){
4155 if(output_mode!=X0213_2){
4156 output_mode = X0213_2;
4160 (*o_putc)(X0213_2&0x7F);
4163 if(output_mode!=X0212){
4164 output_mode = X0212;
4168 (*o_putc)(X0212&0x7F);
4171 (*o_putc)(c2 & 0x7f);
4174 } else if (c2==X0201) {
4175 if (output_mode!=X0201) {
4176 output_mode = X0201;
4182 } else if (c2==ISO8859_1) {
4183 /* iso8859 introduction, or 8th bit on */
4184 /* Can we convert in 7bit form using ESC-'-'-A ?
4186 output_mode = ISO8859_1;
4188 } else if (c2 == 0) {
4189 if (output_mode !=ASCII && output_mode!=ISO8859_1) {
4192 (*o_putc)(ascii_intro);
4193 output_mode = ASCII;
4197 if(ms_ucs_map_f == UCS_MAP_CP932
4198 ? c2<0x20 || 0x92<c2 || c1<0x20 || 0x7e<c1
4199 : c2<0x20 || 0x7e<c2 || c1<0x20 || 0x7e<c1) return;
4201 if (output_mode!=X0213_1) {
4202 output_mode = X0213_1;
4206 (*o_putc)(X0213_1&0x7F);
4208 }else if (output_mode != X0208) {
4209 output_mode = X0208;
4212 (*o_putc)(kanji_intro);
4219 void base64_conv(nkf_char c2, nkf_char c1)
4221 mime_prechar(c2, c1);
4222 (*o_base64conv)(c2,c1);
4226 static nkf_char broken_buf[3];
4227 static int broken_counter = 0;
4228 static int broken_last = 0;
4229 nkf_char broken_getc(FILE *f)
4233 if (broken_counter>0) {
4234 return broken_buf[--broken_counter];
4237 if (c=='$' && broken_last != ESC
4238 && (input_mode==ASCII || input_mode==X0201)) {
4241 if (c1=='@'|| c1=='B') {
4242 broken_buf[0]=c1; broken_buf[1]=c;
4249 } else if (c=='(' && broken_last != ESC
4250 && (input_mode==X0208 || input_mode==X0201)) { /* ) */
4253 if (c1=='J'|| c1=='B') {
4254 broken_buf[0]=c1; broken_buf[1]=c;
4267 nkf_char broken_ungetc(nkf_char c, FILE *f)
4269 if (broken_counter<2)
4270 broken_buf[broken_counter++]=c;
4274 static nkf_char prev_cr = 0;
4276 void cr_conv(nkf_char c2, nkf_char c1)
4280 if (! (c2==0&&c1==NL) ) {
4286 } else if (c1=='\r') {
4288 } else if (c1=='\n') {
4289 if (crmode_f==CRLF) {
4290 (*o_crconv)(0,'\r');
4291 } else if (crmode_f==CR) {
4292 (*o_crconv)(0,'\r');
4296 } else if (c1!='\032' || crmode_f!=NL){
4302 Return value of fold_conv()
4304 \n add newline and output char
4305 \r add newline and output nothing
4308 1 (or else) normal output
4310 fold state in prev (previous character)
4312 >0x80 Japanese (X0208/X0201)
4317 This fold algorthm does not preserve heading space in a line.
4318 This is the main difference from fmt.
4321 #define char_size(c2,c1) (c2?2:1)
4323 void fold_conv(nkf_char c2, nkf_char c1)
4326 nkf_char fold_state;
4328 if (c1== '\r' && !fold_preserve_f) {
4329 fold_state=0; /* ignore cr */
4330 }else if (c1== '\n'&&f_prev=='\r' && fold_preserve_f) {
4332 fold_state=0; /* ignore cr */
4333 } else if (c1== BS) {
4334 if (f_line>0) f_line--;
4336 } else if (c2==EOF && f_line != 0) { /* close open last line */
4338 } else if ((c1=='\n' && !fold_preserve_f)
4339 || ((c1=='\r'||(c1=='\n'&&f_prev!='\r'))
4340 && fold_preserve_f)) {
4342 if (fold_preserve_f) {
4346 } else if ((f_prev == c1 && !fold_preserve_f)
4347 || (f_prev == '\n' && fold_preserve_f)
4348 ) { /* duplicate newline */
4351 fold_state = '\n'; /* output two newline */
4357 if (f_prev&0x80) { /* Japanese? */
4359 fold_state = 0; /* ignore given single newline */
4360 } else if (f_prev==' ') {
4364 if (++f_line<=fold_len)
4368 fold_state = '\r'; /* fold and output nothing */
4372 } else if (c1=='\f') {
4375 fold_state = '\n'; /* output newline and clear */
4376 } else if ( (c2==0 && c1==' ')||
4377 (c2==0 && c1=='\t')||
4378 (c2=='!'&& c1=='!')) {
4379 /* X0208 kankaku or ascii space */
4380 if (f_prev == ' ') {
4381 fold_state = 0; /* remove duplicate spaces */
4384 if (++f_line<=fold_len)
4385 fold_state = ' '; /* output ASCII space only */
4387 f_prev = ' '; f_line = 0;
4388 fold_state = '\r'; /* fold and output nothing */
4392 prev0 = f_prev; /* we still need this one... , but almost done */
4394 if (c2 || c2==X0201)
4395 f_prev |= 0x80; /* this is Japanese */
4396 f_line += char_size(c2,c1);
4397 if (f_line<=fold_len) { /* normal case */
4400 if (f_line>fold_len+fold_margin) { /* too many kinsoku suspension */
4401 f_line = char_size(c2,c1);
4402 fold_state = '\n'; /* We can't wait, do fold now */
4403 } else if (c2==X0201) {
4404 /* simple kinsoku rules return 1 means no folding */
4405 if (c1==(0xde&0x7f)) fold_state = 1; /*
\e$B!+
\e(B*/
4406 else if (c1==(0xdf&0x7f)) fold_state = 1; /*
\e$B!,
\e(B*/
4407 else if (c1==(0xa4&0x7f)) fold_state = 1; /*
\e$B!#
\e(B*/
4408 else if (c1==(0xa3&0x7f)) fold_state = 1; /*
\e$B!$
\e(B*/
4409 else if (c1==(0xa1&0x7f)) fold_state = 1; /*
\e$B!W
\e(B*/
4410 else if (c1==(0xb0&0x7f)) fold_state = 1; /* - */
4411 else if (SPACE<=c1 && c1<=(0xdf&0x7f)) { /* X0201 */
4413 fold_state = '\n';/* add one new f_line before this character */
4416 fold_state = '\n';/* add one new f_line before this character */
4419 /* kinsoku point in ASCII */
4420 if ( c1==')'|| /* { [ ( */
4431 /* just after special */
4432 } else if (!is_alnum(prev0)) {
4433 f_line = char_size(c2,c1);
4435 } else if ((prev0==' ') || /* ignored new f_line */
4436 (prev0=='\n')|| /* ignored new f_line */
4437 (prev0&0x80)) { /* X0208 - ASCII */
4438 f_line = char_size(c2,c1);
4439 fold_state = '\n';/* add one new f_line before this character */
4441 fold_state = 1; /* default no fold in ASCII */
4445 if (c1=='"') fold_state = 1; /*
\e$B!"
\e(B */
4446 else if (c1=='#') fold_state = 1; /*
\e$B!#
\e(B */
4447 else if (c1=='W') fold_state = 1; /*
\e$B!W
\e(B */
4448 else if (c1=='K') fold_state = 1; /*
\e$B!K
\e(B */
4449 else if (c1=='$') fold_state = 1; /*
\e$B!$
\e(B */
4450 else if (c1=='%') fold_state = 1; /*
\e$B!%
\e(B */
4451 else if (c1=='\'') fold_state = 1; /*
\e$B!\
\e(B */
4452 else if (c1=='(') fold_state = 1; /*
\e$B!(
\e(B */
4453 else if (c1==')') fold_state = 1; /*
\e$B!)
\e(B */
4454 else if (c1=='*') fold_state = 1; /*
\e$B!*
\e(B */
4455 else if (c1=='+') fold_state = 1; /*
\e$B!+
\e(B */
4456 else if (c1==',') fold_state = 1; /*
\e$B!,
\e(B */
4457 /* default no fold in kinsoku */
4460 f_line = char_size(c2,c1);
4461 /* add one new f_line before this character */
4464 f_line = char_size(c2,c1);
4466 /* add one new f_line before this character */
4471 /* terminator process */
4472 switch(fold_state) {
4491 nkf_char z_prev2=0,z_prev1=0;
4493 void z_conv(nkf_char c2, nkf_char c1)
4496 /* if (c2) c1 &= 0x7f; assertion */
4498 if (x0201_f && z_prev2==X0201) { /* X0201 */
4499 if (c1==(0xde&0x7f)) { /*
\e$BByE@
\e(B */
4501 (*o_zconv)(dv[(z_prev1-SPACE)*2],dv[(z_prev1-SPACE)*2+1]);
4503 } else if (c1==(0xdf&0x7f)&&ev[(z_prev1-SPACE)*2]) { /*
\e$BH>ByE@
\e(B */
4505 (*o_zconv)(ev[(z_prev1-SPACE)*2],ev[(z_prev1-SPACE)*2+1]);
4509 (*o_zconv)(cv[(z_prev1-SPACE)*2],cv[(z_prev1-SPACE)*2+1]);
4518 if (x0201_f && c2==X0201) {
4519 if (dv[(c1-SPACE)*2]||ev[(c1-SPACE)*2]) {
4520 /* wait for
\e$BByE@
\e(B or
\e$BH>ByE@
\e(B */
4521 z_prev1 = c1; z_prev2 = c2;
4524 (*o_zconv)(cv[(c1-SPACE)*2],cv[(c1-SPACE)*2+1]);
4529 /* JISX0208 Alphabet */
4530 if (alpha_f && c2 == 0x23 ) {
4532 } else if (alpha_f && c2 == 0x21 ) {
4533 /* JISX0208 Kigou */
4538 } else if (alpha_f&0x4) {
4543 } else if (0x20<c1 && c1<0x7f && fv[c1-0x20]) {
4549 case '>': entity = ">"; break;
4550 case '<': entity = "<"; break;
4551 case '\"': entity = """; break;
4552 case '&': entity = "&"; break;
4555 while (*entity) (*o_zconv)(0, *entity++);
4565 #define rot13(c) ( \
4567 (c <= 'M') ? (c + 13): \
4568 (c <= 'Z') ? (c - 13): \
4570 (c <= 'm') ? (c + 13): \
4571 (c <= 'z') ? (c - 13): \
4575 #define rot47(c) ( \
4577 ( c <= 'O' ) ? (c + 47) : \
4578 ( c <= '~' ) ? (c - 47) : \
4582 void rot_conv(nkf_char c2, nkf_char c1)
4584 if (c2==0 || c2==X0201 || c2==ISO8859_1) {
4590 (*o_rot_conv)(c2,c1);
4593 void hira_conv(nkf_char c2, nkf_char c1)
4597 if (0x20 < c1 && c1 < 0x74) {
4599 (*o_hira_conv)(c2,c1);
4601 } else if (c1 == 0x74 && (output_conv == w_oconv || output_conv == w_oconv16)) {
4603 c1 = CLASS_UNICODE | 0x3094;
4604 (*o_hira_conv)(c2,c1);
4607 } else if (c2 == 0x21 && (c1 == 0x33 || c1 == 0x34)) {
4609 (*o_hira_conv)(c2,c1);
4614 if (c2 == 0 && c1 == (CLASS_UNICODE | 0x3094)) {
4617 } else if (c2 == 0x24 && 0x20 < c1 && c1 < 0x74) {
4619 } else if (c2 == 0x21 && (c1 == 0x35 || c1 == 0x36)) {
4623 (*o_hira_conv)(c2,c1);
4627 void iso2022jp_check_conv(nkf_char c2, nkf_char c1)
4629 static const nkf_char range[RANGE_NUM_MAX][2] = {
4650 nkf_char start, end, c;
4652 if(c2 >= 0x00 && c2 <= 0x20 && c1 >= 0x7f && c1 <= 0xff) {
4656 if((c2 >= 0x29 && c2 <= 0x2f) || (c2 >= 0x75 && c2 <= 0x7e)) {
4661 for (i = 0; i < RANGE_NUM_MAX; i++) {
4662 start = range[i][0];
4665 if (c >= start && c <= end) {
4670 (*o_iso2022jp_check_conv)(c2,c1);
4674 /* This converts =?ISO-2022-JP?B?HOGE HOGE?= */
4676 const unsigned char *mime_pattern[] = {
4677 (const unsigned char *)"\075?EUC-JP?B?",
4678 (const unsigned char *)"\075?SHIFT_JIS?B?",
4679 (const unsigned char *)"\075?ISO-8859-1?Q?",
4680 (const unsigned char *)"\075?ISO-8859-1?B?",
4681 (const unsigned char *)"\075?ISO-2022-JP?B?",
4682 (const unsigned char *)"\075?ISO-2022-JP?Q?",
4683 #if defined(UTF8_INPUT_ENABLE)
4684 (const unsigned char *)"\075?UTF-8?B?",
4685 (const unsigned char *)"\075?UTF-8?Q?",
4687 (const unsigned char *)"\075?US-ASCII?Q?",
4692 /*
\e$B3:Ev$9$k%3!<%I$NM%@hEY$r>e$2$k$?$a$NL\0u
\e(B */
4693 nkf_char (*mime_priority_func[])(nkf_char c2, nkf_char c1, nkf_char c0) = {
4694 e_iconv, s_iconv, 0, 0, 0, 0,
4695 #if defined(UTF8_INPUT_ENABLE)
4701 const nkf_char mime_encode[] = {
4702 JAPANESE_EUC, SHIFT_JIS,ISO8859_1, ISO8859_1, X0208, X0201,
4703 #if defined(UTF8_INPUT_ENABLE)
4710 const nkf_char mime_encode_method[] = {
4711 'B', 'B','Q', 'B', 'B', 'Q',
4712 #if defined(UTF8_INPUT_ENABLE)
4720 #define MAXRECOVER 20
4722 void switch_mime_getc(void)
4724 if (i_getc!=mime_getc) {
4725 i_mgetc = i_getc; i_getc = mime_getc;
4726 i_mungetc = i_ungetc; i_ungetc = mime_ungetc;
4727 if(mime_f==STRICT_MIME) {
4728 i_mgetc_buf = i_mgetc; i_mgetc = mime_getc_buf;
4729 i_mungetc_buf = i_mungetc; i_mungetc = mime_ungetc_buf;
4734 void unswitch_mime_getc(void)
4736 if(mime_f==STRICT_MIME) {
4737 i_mgetc = i_mgetc_buf;
4738 i_mungetc = i_mungetc_buf;
4741 i_ungetc = i_mungetc;
4742 if(mime_iconv_back)set_iconv(FALSE, mime_iconv_back);
4743 mime_iconv_back = NULL;
4746 nkf_char mime_begin_strict(FILE *f)
4750 const unsigned char *p,*q;
4751 nkf_char r[MAXRECOVER]; /* recovery buffer, max mime pattern length */
4753 mime_decode_mode = FALSE;
4754 /* =? has been checked */
4756 p = mime_pattern[j];
4759 for(i=2;p[i]>' ';i++) { /* start at =? */
4760 if ( ((r[i] = c1 = (*i_getc)(f))==EOF) || nkf_toupper(c1) != p[i] ) {
4761 /* pattern fails, try next one */
4763 while (mime_pattern[++j]) {
4764 p = mime_pattern[j];
4765 for(k=2;k<i;k++) /* assume length(p) > i */
4766 if (p[k]!=q[k]) break;
4767 if (k==i && nkf_toupper(c1)==p[k]) break;
4769 p = mime_pattern[j];
4770 if (p) continue; /* found next one, continue */
4771 /* all fails, output from recovery buffer */
4779 mime_decode_mode = p[i-2];
4781 mime_iconv_back = iconv;
4782 set_iconv(FALSE, mime_priority_func[j]);
4783 clr_code_score(find_inputcode_byfunc(mime_priority_func[j]), SCORE_iMIME);
4785 if (mime_decode_mode=='B') {
4786 mimebuf_f = unbuf_f;
4788 /* do MIME integrity check */
4789 return mime_integrity(f,mime_pattern[j]);
4797 nkf_char mime_getc_buf(FILE *f)
4799 /* we don't keep eof of Fifo, becase it contains ?= as
4800 a terminator. It was checked in mime_integrity. */
4801 return ((mimebuf_f)?
4802 (*i_mgetc_buf)(f):Fifo(mime_input++));
4805 nkf_char mime_ungetc_buf(nkf_char c, FILE *f)
4808 (*i_mungetc_buf)(c,f);
4810 Fifo(--mime_input) = (unsigned char)c;
4814 nkf_char mime_begin(FILE *f)
4819 /* In NONSTRICT mode, only =? is checked. In case of failure, we */
4820 /* re-read and convert again from mime_buffer. */
4822 /* =? has been checked */
4824 Fifo(mime_last++)='='; Fifo(mime_last++)='?';
4825 for(i=2;i<MAXRECOVER;i++) { /* start at =? */
4826 /* We accept any character type even if it is breaked by new lines */
4827 c1 = (*i_getc)(f); Fifo(mime_last++) = (unsigned char)c1;
4828 if (c1=='\n'||c1==' '||c1=='\r'||
4829 c1=='-'||c1=='_'||is_alnum(c1) ) continue;
4831 /* Failed. But this could be another MIME preemble */
4839 c1 = (*i_getc)(f); Fifo(mime_last++) = (unsigned char)c1;
4840 if (!(++i<MAXRECOVER) || c1==EOF) break;
4841 if (c1=='b'||c1=='B') {
4842 mime_decode_mode = 'B';
4843 } else if (c1=='q'||c1=='Q') {
4844 mime_decode_mode = 'Q';
4848 c1 = (*i_getc)(f); Fifo(mime_last++) = (unsigned char)c1;
4849 if (!(++i<MAXRECOVER) || c1==EOF) break;
4851 mime_decode_mode = FALSE;
4857 if (!mime_decode_mode) {
4858 /* false MIME premble, restart from mime_buffer */
4859 mime_decode_mode = 1; /* no decode, but read from the mime_buffer */
4860 /* Since we are in MIME mode until buffer becomes empty, */
4861 /* we never go into mime_begin again for a while. */
4864 /* discard mime preemble, and goto MIME mode */
4866 /* do no MIME integrity check */
4867 return c1; /* used only for checking EOF */
4871 void no_putc(nkf_char c)
4876 void debug(const char *str)
4879 fprintf(stderr, "%s\n", str);
4884 void set_input_codename(char *codename)
4888 strcmp(codename, "") != 0 &&
4889 strcmp(codename, input_codename) != 0)
4891 is_inputcode_mixed = TRUE;
4893 input_codename = codename;
4894 is_inputcode_set = TRUE;
4897 #if !defined(PERL_XS) && !defined(WIN32DLL)
4898 void print_guessed_code(char *filename)
4900 char *codename = "BINARY";
4901 if (!is_inputcode_mixed) {
4902 if (strcmp(input_codename, "") == 0) {
4905 codename = input_codename;
4908 if (filename != NULL) printf("%s:", filename);
4909 printf("%s\n", codename);
4915 nkf_char hex_getc(nkf_char ch, FILE *f, nkf_char (*g)(FILE *f), nkf_char (*u)(nkf_char c, FILE *f))
4917 nkf_char c1, c2, c3;
4923 if (!nkf_isxdigit(c2)){
4928 if (!nkf_isxdigit(c3)){
4933 return (hex2bin(c2) << 4) | hex2bin(c3);
4936 nkf_char cap_getc(FILE *f)
4938 return hex_getc(':', f, i_cgetc, i_cungetc);
4941 nkf_char cap_ungetc(nkf_char c, FILE *f)
4943 return (*i_cungetc)(c, f);
4946 nkf_char url_getc(FILE *f)
4948 return hex_getc('%', f, i_ugetc, i_uungetc);
4951 nkf_char url_ungetc(nkf_char c, FILE *f)
4953 return (*i_uungetc)(c, f);
4957 #ifdef NUMCHAR_OPTION
4958 nkf_char numchar_getc(FILE *f)
4960 nkf_char (*g)(FILE *) = i_ngetc;
4961 nkf_char (*u)(nkf_char c ,FILE *f) = i_nungetc;
4972 if (buf[i] == 'x' || buf[i] == 'X'){
4973 for (j = 0; j < 7; j++){
4975 if (!nkf_isxdigit(buf[i])){
4982 c |= hex2bin(buf[i]);
4985 for (j = 0; j < 8; j++){
4989 if (!nkf_isdigit(buf[i])){
4996 c += hex2bin(buf[i]);
5002 return CLASS_UNICODE | c;
5011 nkf_char numchar_ungetc(nkf_char c, FILE *f)
5013 return (*i_nungetc)(c, f);
5017 #ifdef UNICODE_NORMALIZATION
5019 /* Normalization Form C */
5020 nkf_char nfc_getc(FILE *f)
5022 nkf_char (*g)(FILE *f) = i_nfc_getc;
5023 nkf_char (*u)(nkf_char c ,FILE *f) = i_nfc_ungetc;
5024 int i=0, j, k=1, lower, upper;
5026 const nkf_nfchar *array;
5028 extern const struct normalization_pair normalization_table[];
5032 while (k > 0 && ((buf[i] & 0xc0) != 0x80)){
5033 lower=0, upper=NORMALIZATION_TABLE_LENGTH-1;
5034 while (upper >= lower) {
5035 j = (lower+upper) / 2;
5036 array = normalization_table[j].nfd;
5037 for (k=0; k < NORMALIZATION_TABLE_NFD_LENGTH && array[k]; k++){
5038 if (array[k] != buf[k]){
5039 array[k] < buf[k] ? (lower = j + 1) : (upper = j - 1);
5046 array = normalization_table[j].nfc;
5047 for (i=0; i < NORMALIZATION_TABLE_NFC_LENGTH && array[i]; i++)
5048 buf[i] = (nkf_char)(array[i]);
5059 nkf_char nfc_ungetc(nkf_char c, FILE *f)
5061 return (*i_nfc_ungetc)(c, f);
5063 #endif /* UNICODE_NORMALIZATION */
5069 nkf_char c1, c2, c3, c4, cc;
5070 nkf_char t1, t2, t3, t4, mode, exit_mode;
5071 nkf_char lwsp_count;
5074 nkf_char lwsp_size = 128;
5076 if (mime_top != mime_last) { /* Something is in FIFO */
5077 return Fifo(mime_top++);
5079 if (mime_decode_mode==1 ||mime_decode_mode==FALSE) {
5080 mime_decode_mode=FALSE;
5081 unswitch_mime_getc();
5082 return (*i_getc)(f);
5085 if (mimebuf_f == FIXED_MIME)
5086 exit_mode = mime_decode_mode;
5089 if (mime_decode_mode == 'Q') {
5090 if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF);
5092 if (c1=='_' && mimebuf_f != FIXED_MIME) return ' ';
5093 if (c1<=' ' || DEL<=c1) {
5094 mime_decode_mode = exit_mode; /* prepare for quit */
5097 if (c1!='=' && (c1!='?' || mimebuf_f == FIXED_MIME)) {
5101 mime_decode_mode = exit_mode; /* prepare for quit */
5102 if ((c2 = (*i_mgetc)(f)) == EOF) return (EOF);
5103 if (c1=='?'&&c2=='=' && mimebuf_f != FIXED_MIME) {
5104 /* end Q encoding */
5105 input_mode = exit_mode;
5107 lwsp_buf = malloc((lwsp_size+5)*sizeof(char));
5108 if (lwsp_buf==NULL) {
5109 perror("can't malloc");
5112 while ((c1=(*i_getc)(f))!=EOF) {
5117 if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) {
5125 if ((c1=(*i_getc)(f))!=EOF && c1 == NL) {
5126 if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) {
5141 lwsp_buf[lwsp_count] = (unsigned char)c1;
5142 if (lwsp_count++>lwsp_size){
5144 lwsp_buf_new = realloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
5145 if (lwsp_buf_new==NULL) {
5147 perror("can't realloc");
5150 lwsp_buf = lwsp_buf_new;
5156 if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SPACE && lwsp_buf[lwsp_count-1] != TAB))) {
5158 for(lwsp_count--;lwsp_count>0;lwsp_count--)
5159 i_ungetc(lwsp_buf[lwsp_count],f);
5165 if (c1=='='&&c2<' ') { /* this is soft wrap */
5166 while((c1 = (*i_mgetc)(f)) <=' ') {
5167 if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF);
5169 mime_decode_mode = 'Q'; /* still in MIME */
5170 goto restart_mime_q;
5173 mime_decode_mode = 'Q'; /* still in MIME */
5177 if ((c3 = (*i_mgetc)(f)) == EOF) return (EOF);
5178 if (c2<=' ') return c2;
5179 mime_decode_mode = 'Q'; /* still in MIME */
5180 return ((hex2bin(c2)<<4) + hex2bin(c3));
5183 if (mime_decode_mode != 'B') {
5184 mime_decode_mode = FALSE;
5185 return (*i_mgetc)(f);
5189 /* Base64 encoding */
5191 MIME allows line break in the middle of
5192 Base64, but we are very pessimistic in decoding
5193 in unbuf mode because MIME encoded code may broken by
5194 less or editor's control sequence (such as ESC-[-K in unbuffered
5195 mode. ignore incomplete MIME.
5197 mode = mime_decode_mode;
5198 mime_decode_mode = exit_mode; /* prepare for quit */
5200 while ((c1 = (*i_mgetc)(f))<=' ') {
5205 if ((c2 = (*i_mgetc)(f))<=' ') {
5208 if (mime_f != STRICT_MIME) goto mime_c2_retry;
5209 if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
5212 if ((c1 == '?') && (c2 == '=')) {
5215 lwsp_buf = malloc((lwsp_size+5)*sizeof(char));
5216 if (lwsp_buf==NULL) {
5217 perror("can't malloc");
5220 while ((c1=(*i_getc)(f))!=EOF) {
5225 if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) {
5233 if ((c1=(*i_getc)(f))!=EOF) {
5237 } else if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) {
5252 lwsp_buf[lwsp_count] = (unsigned char)c1;
5253 if (lwsp_count++>lwsp_size){
5255 lwsp_buf_new = realloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
5256 if (lwsp_buf_new==NULL) {
5258 perror("can't realloc");
5261 lwsp_buf = lwsp_buf_new;
5267 if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SPACE && lwsp_buf[lwsp_count-1] != TAB))) {
5269 for(lwsp_count--;lwsp_count>0;lwsp_count--)
5270 i_ungetc(lwsp_buf[lwsp_count],f);
5277 if ((c3 = (*i_mgetc)(f))<=' ') {
5280 if (mime_f != STRICT_MIME) goto mime_c3_retry;
5281 if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
5285 if ((c4 = (*i_mgetc)(f))<=' ') {
5288 if (mime_f != STRICT_MIME) goto mime_c4_retry;
5289 if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
5293 mime_decode_mode = mode; /* still in MIME sigh... */
5295 /* BASE 64 decoding */
5297 t1 = 0x3f & base64decode(c1);
5298 t2 = 0x3f & base64decode(c2);
5299 t3 = 0x3f & base64decode(c3);
5300 t4 = 0x3f & base64decode(c4);
5301 cc = ((t1 << 2) & 0x0fc) | ((t2 >> 4) & 0x03);
5303 Fifo(mime_last++) = (unsigned char)cc;
5304 cc = ((t2 << 4) & 0x0f0) | ((t3 >> 2) & 0x0f);
5306 Fifo(mime_last++) = (unsigned char)cc;
5307 cc = ((t3 << 6) & 0x0c0) | (t4 & 0x3f);
5309 Fifo(mime_last++) = (unsigned char)cc;
5314 return Fifo(mime_top++);
5317 nkf_char mime_ungetc(nkf_char c, FILE *f)
5319 Fifo(--mime_top) = (unsigned char)c;
5323 nkf_char mime_integrity(FILE *f, const unsigned char *p)
5327 /* In buffered mode, read until =? or NL or buffer full
5329 mime_input = mime_top;
5330 mime_last = mime_top;
5332 while(*p) Fifo(mime_input++) = *p++;
5335 while((c=(*i_getc)(f))!=EOF) {
5336 if (((mime_input-mime_top)&MIME_BUF_MASK)==0) {
5337 break; /* buffer full */
5339 if (c=='=' && d=='?') {
5340 /* checked. skip header, start decode */
5341 Fifo(mime_input++) = (unsigned char)c;
5342 /* mime_last_input = mime_input; */
5347 if (!( (c=='+'||c=='/'|| c=='=' || c=='?' || is_alnum(c))))
5349 /* Should we check length mod 4? */
5350 Fifo(mime_input++) = (unsigned char)c;
5353 /* In case of Incomplete MIME, no MIME decode */
5354 Fifo(mime_input++) = (unsigned char)c;
5355 mime_last = mime_input; /* point undecoded buffer */
5356 mime_decode_mode = 1; /* no decode on Fifo last in mime_getc */
5357 switch_mime_getc(); /* anyway we need buffered getc */
5361 nkf_char base64decode(nkf_char c)
5366 i = c - 'A'; /* A..Z 0-25 */
5368 i = c - 'G' /* - 'a' + 26 */ ; /* a..z 26-51 */
5370 } else if (c > '/') {
5371 i = c - '0' + '4' /* - '0' + 52 */ ; /* 0..9 52-61 */
5372 } else if (c == '+') {
5373 i = '>' /* 62 */ ; /* + 62 */
5375 i = '?' /* 63 */ ; /* / 63 */
5380 static const char basis_64[] =
5381 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
5383 static nkf_char b64c;
5384 #define MIMEOUT_BUF_LENGTH (60)
5385 char mimeout_buf[MIMEOUT_BUF_LENGTH+1];
5386 int mimeout_buf_count = 0;
5387 int mimeout_preserve_space = 0;
5388 #define itoh4(c) (c>=10?c+'A'-10:c+'0')
5390 void open_mime(nkf_char mode)
5392 const unsigned char *p;
5395 p = mime_pattern[0];
5396 for(i=0;mime_encode[i];i++) {
5397 if (mode == mime_encode[i]) {
5398 p = mime_pattern[i];
5402 mimeout_mode = mime_encode_method[i];
5405 if (base64_count>45) {
5406 if (mimeout_buf_count>0 && nkf_isblank(mimeout_buf[i])){
5407 (*o_mputc)(mimeout_buf[i]);
5413 if (!mimeout_preserve_space && mimeout_buf_count>0
5414 && (mimeout_buf[i]==SPACE || mimeout_buf[i]==TAB
5415 || mimeout_buf[i]==CR || mimeout_buf[i]==NL )) {
5419 if (!mimeout_preserve_space) {
5420 for (;i<mimeout_buf_count;i++) {
5421 if (mimeout_buf[i]==SPACE || mimeout_buf[i]==TAB
5422 || mimeout_buf[i]==CR || mimeout_buf[i]==NL ) {
5423 (*o_mputc)(mimeout_buf[i]);
5430 mimeout_preserve_space = FALSE;
5436 j = mimeout_buf_count;
5437 mimeout_buf_count = 0;
5439 mime_putc(mimeout_buf[i]);
5443 void close_mime(void)
5453 switch(mimeout_mode) {
5458 (*o_mputc)(basis_64[((b64c & 0x3)<< 4)]);
5464 (*o_mputc)(basis_64[((b64c & 0xF) << 2)]);
5470 if (mimeout_f!=FIXED_MIME) {
5472 } else if (mimeout_mode != 'Q')
5477 void mimeout_addchar(nkf_char c)
5479 switch(mimeout_mode) {
5484 } else if(!nkf_isalnum(c)) {
5486 (*o_mputc)(itoh4(((c>>4)&0xf)));
5487 (*o_mputc)(itoh4((c&0xf)));
5496 (*o_mputc)(basis_64[c>>2]);
5501 (*o_mputc)(basis_64[((b64c & 0x3)<< 4) | ((c & 0xF0) >> 4)]);
5507 (*o_mputc)(basis_64[((b64c & 0xF) << 2) | ((c & 0xC0) >>6)]);
5508 (*o_mputc)(basis_64[c & 0x3F]);
5519 nkf_char mime_lastchar2, mime_lastchar1;
5521 void mime_prechar(nkf_char c2, nkf_char c1)
5525 if (base64_count + mimeout_buf_count/3*4> 66){
5526 (*o_base64conv)(EOF,0);
5527 (*o_base64conv)(0,NL);
5528 (*o_base64conv)(0,SPACE);
5530 }/*else if (mime_lastchar2){
5531 if (c1 <=DEL && !nkf_isspace(c1)){
5532 (*o_base64conv)(0,SPACE);
5536 if (c2 && mime_lastchar2 == 0
5537 && mime_lastchar1 && !nkf_isspace(mime_lastchar1)){
5538 (*o_base64conv)(0,SPACE);
5541 mime_lastchar2 = c2;
5542 mime_lastchar1 = c1;
5545 void mime_putc(nkf_char c)
5550 if (mimeout_f == FIXED_MIME){
5551 if (mimeout_mode == 'Q'){
5552 if (base64_count > 71){
5553 if (c!=CR && c!=NL) {
5560 if (base64_count > 71){
5565 if (c == EOF) { /* c==EOF */
5569 if (c != EOF) { /* c==EOF */
5575 /* mimeout_f != FIXED_MIME */
5577 if (c == EOF) { /* c==EOF */
5578 j = mimeout_buf_count;
5579 mimeout_buf_count = 0;
5583 if (nkf_isspace(mimeout_buf[i]) && base64_count < 71){
5586 mimeout_addchar(mimeout_buf[i]);
5590 mimeout_addchar(mimeout_buf[i]);
5594 mimeout_addchar(mimeout_buf[i]);
5600 if (mimeout_mode=='Q') {
5601 if (c <= DEL && (output_mode==ASCII ||output_mode == ISO8859_1 ) ) {
5613 if (mimeout_buf_count > 0){
5614 lastchar = mimeout_buf[mimeout_buf_count - 1];
5619 if (!mimeout_mode) {
5620 if (c <= DEL && (output_mode==ASCII ||output_mode == ISO8859_1)) {
5621 if (nkf_isspace(c)) {
5622 if (c==CR || c==NL) {
5625 for (i=0;i<mimeout_buf_count;i++) {
5626 (*o_mputc)(mimeout_buf[i]);
5627 if (mimeout_buf[i] == CR || mimeout_buf[i] == NL){
5633 mimeout_buf[0] = (char)c;
5634 mimeout_buf_count = 1;
5636 if (base64_count > 1
5637 && base64_count + mimeout_buf_count > 76){
5640 if (!nkf_isspace(mimeout_buf[0])){
5645 mimeout_buf[mimeout_buf_count++] = (char)c;
5646 if (mimeout_buf_count>MIMEOUT_BUF_LENGTH) {
5647 open_mime(output_mode);
5652 if (lastchar==CR || lastchar == NL){
5653 for (i=0;i<mimeout_buf_count;i++) {
5654 (*o_mputc)(mimeout_buf[i]);
5657 mimeout_buf_count = 0;
5659 if (lastchar==SPACE) {
5660 for (i=0;i<mimeout_buf_count-1;i++) {
5661 (*o_mputc)(mimeout_buf[i]);
5664 mimeout_buf[0] = SPACE;
5665 mimeout_buf_count = 1;
5667 open_mime(output_mode);
5670 /* mimeout_mode == 'B', 1, 2 */
5671 if ( c<=DEL && (output_mode==ASCII ||output_mode == ISO8859_1 ) ) {
5672 if (lastchar == CR || lastchar == NL){
5673 if (nkf_isblank(c)) {
5674 for (i=0;i<mimeout_buf_count;i++) {
5675 mimeout_addchar(mimeout_buf[i]);
5677 mimeout_buf_count = 0;
5678 } else if (SPACE<c && c<DEL) {
5680 for (i=0;i<mimeout_buf_count;i++) {
5681 (*o_mputc)(mimeout_buf[i]);
5684 mimeout_buf_count = 0;
5687 if (c==SPACE || c==TAB || c==CR || c==NL) {
5688 for (i=0;i<mimeout_buf_count;i++) {
5689 if (SPACE<mimeout_buf[i] && mimeout_buf[i]<DEL) {
5691 for (i=0;i<mimeout_buf_count;i++) {
5692 (*o_mputc)(mimeout_buf[i]);
5695 mimeout_buf_count = 0;
5698 mimeout_buf[mimeout_buf_count++] = (char)c;
5699 if (mimeout_buf_count>MIMEOUT_BUF_LENGTH) {
5701 for (i=0;i<mimeout_buf_count;i++) {
5702 (*o_mputc)(mimeout_buf[i]);
5705 mimeout_buf_count = 0;
5709 if (mimeout_buf_count>0 && SPACE<c && c!='=') {
5710 mimeout_buf[mimeout_buf_count++] = (char)c;
5711 if (mimeout_buf_count>MIMEOUT_BUF_LENGTH) {
5712 j = mimeout_buf_count;
5713 mimeout_buf_count = 0;
5715 mimeout_addchar(mimeout_buf[i]);
5722 if (mimeout_buf_count>0) {
5723 j = mimeout_buf_count;
5724 mimeout_buf_count = 0;
5726 if (mimeout_buf[i]==CR || mimeout_buf[i]==NL)
5728 mimeout_addchar(mimeout_buf[i]);
5734 (*o_mputc)(mimeout_buf[i]);
5736 open_mime(output_mode);
5743 #if defined(PERL_XS) || defined(WIN32DLL)
5747 struct input_code *p = input_code_list;
5760 mime_f = STRICT_MIME;
5761 mime_decode_f = FALSE;
5766 #if defined(MSDOS) || defined(__OS2__)
5771 iso2022jp_f = FALSE;
5772 #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
5773 ms_ucs_map_f = UCS_MAP_ASCII;
5775 #ifdef UTF8_INPUT_ENABLE
5776 no_cp932ext_f = FALSE;
5777 no_best_fit_chars_f = FALSE;
5778 encode_fallback = NULL;
5779 unicode_subchar = '?';
5780 input_endian = ENDIAN_BIG;
5782 #ifdef UTF8_OUTPUT_ENABLE
5783 output_bom_f = FALSE;
5784 output_endian = ENDIAN_BIG;
5786 #ifdef UNICODE_NORMALIZATION
5799 is_inputcode_mixed = FALSE;
5800 is_inputcode_set = FALSE;
5804 #ifdef SHIFTJIS_CP932
5814 for (i = 0; i < 256; i++){
5815 prefix_table[i] = 0;
5819 mimeout_buf_count = 0;
5824 fold_preserve_f = FALSE;
5827 kanji_intro = DEFAULT_J;
5828 ascii_intro = DEFAULT_R;
5829 fold_margin = FOLD_MARGIN;
5830 output_conv = DEFAULT_CONV;
5831 oconv = DEFAULT_CONV;
5832 o_zconv = no_connection;
5833 o_fconv = no_connection;
5834 o_crconv = no_connection;
5835 o_rot_conv = no_connection;
5836 o_hira_conv = no_connection;
5837 o_base64conv = no_connection;
5838 o_iso2022jp_check_conv = no_connection;
5841 i_ungetc = std_ungetc;
5843 i_bungetc = std_ungetc;
5846 i_mungetc = std_ungetc;
5847 i_mgetc_buf = std_getc;
5848 i_mungetc_buf = std_ungetc;
5849 output_mode = ASCII;
5852 mime_decode_mode = FALSE;
5858 z_prev2=0,z_prev1=0;
5860 iconv_for_check = 0;
5862 input_codename = "";
5869 void no_connection(nkf_char c2, nkf_char c1)
5871 no_connection2(c2,c1,0);
5874 nkf_char no_connection2(nkf_char c2, nkf_char c1, nkf_char c0)
5876 fprintf(stderr,"nkf internal module connection failure.\n");
5878 return 0; /* LINT */
5883 #define fprintf dllprintf
5887 fprintf(stderr,"USAGE: nkf(nkf32,wnkf,nkf2) -[flags] [in file] .. [out file for -O flag]\n");
5888 fprintf(stderr,"Flags:\n");
5889 fprintf(stderr,"b,u Output is buffered (DEFAULT),Output is unbuffered\n");
5890 #ifdef DEFAULT_CODE_SJIS
5891 fprintf(stderr,"j,s,e,w Output code is JIS 7 bit, Shift_JIS (DEFAULT), EUC-JP, UTF-8N\n");
5893 #ifdef DEFAULT_CODE_JIS
5894 fprintf(stderr,"j,s,e,w Output code is JIS 7 bit (DEFAULT), Shift JIS, EUC-JP, UTF-8N\n");
5896 #ifdef DEFAULT_CODE_EUC
5897 fprintf(stderr,"j,s,e,w Output code is JIS 7 bit, Shift JIS, EUC-JP (DEFAULT), UTF-8N\n");
5899 #ifdef DEFAULT_CODE_UTF8
5900 fprintf(stderr,"j,s,e,w Output code is JIS 7 bit, Shift JIS, EUC-JP, UTF-8N (DEFAULT)\n");
5902 #ifdef UTF8_OUTPUT_ENABLE
5903 fprintf(stderr," After 'w' you can add more options. -w[ 8 [0], 16 [[BL] [0]] ]\n");
5905 fprintf(stderr,"J,S,E,W Input assumption is JIS 7 bit , Shift JIS, EUC-JP, UTF-8\n");
5906 #ifdef UTF8_INPUT_ENABLE
5907 fprintf(stderr," After 'W' you can add more options. -W[ 8, 16 [BL] ] \n");
5909 fprintf(stderr,"t no conversion\n");
5910 fprintf(stderr,"i[@B] Specify the Esc Seq for JIS X 0208-1978/83 (DEFAULT B)\n");
5911 fprintf(stderr,"o[BJH] Specify the Esc Seq for ASCII/Roman (DEFAULT B)\n");
5912 fprintf(stderr,"r {de/en}crypt ROT13/47\n");
5913 fprintf(stderr,"h 1 katakana->hiragana, 2 hiragana->katakana, 3 both\n");
5914 fprintf(stderr,"v Show this usage. V: show version\n");
5915 fprintf(stderr,"m[BQN0] MIME decode [B:base64,Q:quoted,N:non-strict,0:no decode]\n");
5916 fprintf(stderr,"M[BQ] MIME encode [B:base64 Q:quoted]\n");
5917 fprintf(stderr,"l ISO8859-1 (Latin-1) support\n");
5918 fprintf(stderr,"f/F Folding: -f60 or -f or -f60-10 (fold margin 10) F preserve nl\n");
5919 fprintf(stderr,"Z[0-3] Convert X0208 alphabet to ASCII\n");
5920 fprintf(stderr," 1: Kankaku to 1 space 2: to 2 spaces 3: Convert to HTML Entity\n");
5921 fprintf(stderr,"X,x Assume X0201 kana in MS-Kanji, -x preserves X0201\n");
5922 fprintf(stderr,"B[0-2] Broken input 0: missing ESC,1: any X on ESC-[($]-X,2: ASCII on NL\n");
5924 fprintf(stderr,"T Text mode output\n");
5926 fprintf(stderr,"O Output to File (DEFAULT 'nkf.out')\n");
5927 fprintf(stderr,"I Convert non ISO-2022-JP charactor to GETA\n");
5928 fprintf(stderr,"d,c Convert line breaks -d: LF -c: CRLF\n");
5929 fprintf(stderr,"-L[uwm] line mode u:LF w:CRLF m:CR (DEFAULT noconversion)\n");
5930 fprintf(stderr,"\n");
5931 fprintf(stderr,"Long name options\n");
5932 fprintf(stderr," --ic=<input codeset> --oc=<output codeset>\n");
5933 fprintf(stderr," Specify the input or output codeset\n");
5934 fprintf(stderr," --fj --unix --mac --windows\n");
5935 fprintf(stderr," --jis --euc --sjis --utf8 --utf16 --mime --base64\n");
5936 fprintf(stderr," Convert for the system or code\n");
5937 fprintf(stderr," --hiragana --katakana --katakana-hiragana\n");
5938 fprintf(stderr," To Hiragana/Katakana Conversion\n");
5939 fprintf(stderr," --prefix= Insert escape before troublesome characters of Shift_JIS\n");
5941 fprintf(stderr," --cap-input, --url-input Convert hex after ':' or '%%'\n");
5943 #ifdef NUMCHAR_OPTION
5944 fprintf(stderr," --numchar-input Convert Unicode Character Reference\n");
5946 #ifdef UTF8_INPUT_ENABLE
5947 fprintf(stderr," --fb-{skip, html, xml, perl, java, subchar}\n");
5948 fprintf(stderr," Specify how nkf handles unassigned characters\n");
5951 fprintf(stderr," --in-place[=SUFFIX] --overwrite[=SUFFIX]\n");
5952 fprintf(stderr," Overwrite original listed files by filtered result\n");
5953 fprintf(stderr," --overwrite preserves timestamp of original files\n");
5955 fprintf(stderr," -g --guess Guess the input code\n");
5956 fprintf(stderr," --help --version Show this help/the version\n");
5957 fprintf(stderr," For more information, see also man nkf\n");
5958 fprintf(stderr,"\n");
5964 fprintf(stderr,"Network Kanji Filter Version %s (%s) "
5965 #if defined(MSDOS) && !defined(__WIN32__) && !defined(__WIN16__) && !defined(__OS2__)
5968 #if defined(MSDOS) && defined(__WIN16__)
5971 #if defined(MSDOS) && defined(__WIN32__)
5977 ,NKF_VERSION,NKF_RELEASE_DATE);
5978 fprintf(stderr,"\n%s\n",CopyRight);
5983 **
\e$B%Q%C%A@):n<T
\e(B
5984 ** void@merope.pleiades.or.jp (Kusakabe Youichi)
5985 ** NIDE Naoyuki <nide@ics.nara-wu.ac.jp>
5986 ** ohta@src.ricoh.co.jp (Junn Ohta)
5987 ** inouet@strl.nhk.or.jp (Tomoyuki Inoue)
5988 ** kiri@pulser.win.or.jp (Tetsuaki Kiriyama)
5989 ** Kimihiko Sato <sato@sail.t.u-tokyo.ac.jp>
5990 ** a_kuroe@kuroe.aoba.yokohama.jp (Akihiko Kuroe)
5991 ** kono@ie.u-ryukyu.ac.jp (Shinji Kono)
5992 ** GHG00637@nifty-serve.or.jp (COW)