2 * Copyright (c) 1987, Fujitsu LTD. (Itaru ICHIKAWA).
3 * Copyright (c) 1996-2009, The nkf Project.
5 * This software is provided 'as-is', without any express or implied
6 * warranty. In no event will the authors be held liable for any damages
7 * arising from the use of this software.
9 * Permission is granted to anyone to use this software for any purpose,
10 * including commercial applications, and to alter it and redistribute it
11 * freely, subject to the following restrictions:
13 * 1. The origin of this software must not be misrepresented; you must not
14 * claim that you wrote the original software. If you use this software
15 * in a product, an acknowledgment in the product documentation would be
16 * appreciated but is not required.
18 * 2. Altered source versions must be plainly marked as such, and must not be
19 * misrepresented as being the original software.
21 * 3. This notice may not be removed or altered from any source distribution.
23 #define NKF_VERSION "2.1.1"
24 #define NKF_RELEASE_DATE "2010-01-05"
26 "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa).\n" \
27 "Copyright (C) 1996-2010, The nkf Project."
38 # define INCL_DOSERRORS
44 /* state of output_mode and input_mode
123 NKF_ENCODING_TABLE_SIZE,
124 JIS_X_0201_1976_K = 0x1013, /* I */ /* JIS C 6220-1969 */
125 /* JIS_X_0201_1976_R = 0x1014, */ /* J */ /* JIS C 6220-1969 */
126 /* JIS_X_0208_1978 = 0x1040, */ /* @ */ /* JIS C 6226-1978 */
127 /* JIS_X_0208_1983 = 0x1087, */ /* B */ /* JIS C 6226-1983 */
128 JIS_X_0208 = 0x1168, /* @B */
129 JIS_X_0212 = 0x1159, /* D */
130 /* JIS_X_0213_2000_1 = 0x1228, */ /* O */
131 JIS_X_0213_2 = 0x1229, /* P */
132 JIS_X_0213_1 = 0x1233 /* Q */
135 static nkf_char s_iconv(nkf_char c2, nkf_char c1, nkf_char c0);
136 static nkf_char e_iconv(nkf_char c2, nkf_char c1, nkf_char c0);
137 static nkf_char w_iconv(nkf_char c2, nkf_char c1, nkf_char c0);
138 static nkf_char w_iconv16(nkf_char c2, nkf_char c1, nkf_char c0);
139 static nkf_char w_iconv32(nkf_char c2, nkf_char c1, nkf_char c0);
140 static void j_oconv(nkf_char c2, nkf_char c1);
141 static void s_oconv(nkf_char c2, nkf_char c1);
142 static void e_oconv(nkf_char c2, nkf_char c1);
143 static void w_oconv(nkf_char c2, nkf_char c1);
144 static void w_oconv16(nkf_char c2, nkf_char c1);
145 static void w_oconv32(nkf_char c2, nkf_char c1);
149 nkf_char (*iconv)(nkf_char c2, nkf_char c1, nkf_char c0);
150 void (*oconv)(nkf_char c2, nkf_char c1);
151 } nkf_native_encoding;
153 nkf_native_encoding NkfEncodingASCII = { "ASCII", e_iconv, e_oconv };
154 nkf_native_encoding NkfEncodingISO_2022_JP = { "ISO-2022-JP", e_iconv, j_oconv };
155 nkf_native_encoding NkfEncodingShift_JIS = { "Shift_JIS", s_iconv, s_oconv };
156 nkf_native_encoding NkfEncodingEUC_JP = { "EUC-JP", e_iconv, e_oconv };
157 nkf_native_encoding NkfEncodingUTF_8 = { "UTF-8", w_iconv, w_oconv };
158 nkf_native_encoding NkfEncodingUTF_16 = { "UTF-16", w_iconv16, w_oconv16 };
159 nkf_native_encoding NkfEncodingUTF_32 = { "UTF-32", w_iconv32, w_oconv32 };
164 const nkf_native_encoding *base_encoding;
167 nkf_encoding nkf_encoding_table[] = {
168 {ASCII, "US-ASCII", &NkfEncodingASCII},
169 {ISO_8859_1, "ISO-8859-1", &NkfEncodingASCII},
170 {ISO_2022_JP, "ISO-2022-JP", &NkfEncodingISO_2022_JP},
171 {CP50220, "CP50220", &NkfEncodingISO_2022_JP},
172 {CP50221, "CP50221", &NkfEncodingISO_2022_JP},
173 {CP50222, "CP50222", &NkfEncodingISO_2022_JP},
174 {ISO_2022_JP_1, "ISO-2022-JP-1", &NkfEncodingISO_2022_JP},
175 {ISO_2022_JP_3, "ISO-2022-JP-3", &NkfEncodingISO_2022_JP},
176 {ISO_2022_JP_2004, "ISO-2022-JP-2004", &NkfEncodingISO_2022_JP},
177 {SHIFT_JIS, "Shift_JIS", &NkfEncodingShift_JIS},
178 {WINDOWS_31J, "Windows-31J", &NkfEncodingShift_JIS},
179 {CP10001, "CP10001", &NkfEncodingShift_JIS},
180 {EUC_JP, "EUC-JP", &NkfEncodingEUC_JP},
181 {EUCJP_NKF, "eucJP-nkf", &NkfEncodingEUC_JP},
182 {CP51932, "CP51932", &NkfEncodingEUC_JP},
183 {EUCJP_MS, "eucJP-MS", &NkfEncodingEUC_JP},
184 {EUCJP_ASCII, "eucJP-ASCII", &NkfEncodingEUC_JP},
185 {SHIFT_JISX0213, "Shift_JISX0213", &NkfEncodingShift_JIS},
186 {SHIFT_JIS_2004, "Shift_JIS-2004", &NkfEncodingShift_JIS},
187 {EUC_JISX0213, "EUC-JISX0213", &NkfEncodingEUC_JP},
188 {EUC_JIS_2004, "EUC-JIS-2004", &NkfEncodingEUC_JP},
189 {UTF_8, "UTF-8", &NkfEncodingUTF_8},
190 {UTF_8N, "UTF-8N", &NkfEncodingUTF_8},
191 {UTF_8_BOM, "UTF-8-BOM", &NkfEncodingUTF_8},
192 {UTF8_MAC, "UTF8-MAC", &NkfEncodingUTF_8},
193 {UTF_16, "UTF-16", &NkfEncodingUTF_16},
194 {UTF_16BE, "UTF-16BE", &NkfEncodingUTF_16},
195 {UTF_16BE_BOM, "UTF-16BE-BOM", &NkfEncodingUTF_16},
196 {UTF_16LE, "UTF-16LE", &NkfEncodingUTF_16},
197 {UTF_16LE_BOM, "UTF-16LE-BOM", &NkfEncodingUTF_16},
198 {UTF_32, "UTF-32", &NkfEncodingUTF_32},
199 {UTF_32BE, "UTF-32BE", &NkfEncodingUTF_32},
200 {UTF_32BE_BOM, "UTF-32BE-BOM", &NkfEncodingUTF_32},
201 {UTF_32LE, "UTF-32LE", &NkfEncodingUTF_32},
202 {UTF_32LE_BOM, "UTF-32LE-BOM", &NkfEncodingUTF_32},
203 {BINARY, "BINARY", &NkfEncodingASCII},
210 } encoding_name_to_id_table[] = {
215 {"ISO-2022-JP", ISO_2022_JP},
216 {"ISO2022JP-CP932", CP50220},
217 {"CP50220", CP50220},
218 {"CP50221", CP50221},
219 {"CSISO2022JP", CP50221},
220 {"CP50222", CP50222},
221 {"ISO-2022-JP-1", ISO_2022_JP_1},
222 {"ISO-2022-JP-3", ISO_2022_JP_3},
223 {"ISO-2022-JP-2004", ISO_2022_JP_2004},
224 {"SHIFT_JIS", SHIFT_JIS},
227 {"WINDOWS-31J", WINDOWS_31J},
228 {"CSWINDOWS31J", WINDOWS_31J},
229 {"CP932", WINDOWS_31J},
230 {"MS932", WINDOWS_31J},
231 {"CP10001", CP10001},
234 {"EUCJP-NKF", EUCJP_NKF},
235 {"CP51932", CP51932},
236 {"EUC-JP-MS", EUCJP_MS},
237 {"EUCJP-MS", EUCJP_MS},
238 {"EUCJPMS", EUCJP_MS},
239 {"EUC-JP-ASCII", EUCJP_ASCII},
240 {"EUCJP-ASCII", EUCJP_ASCII},
241 {"SHIFT_JISX0213", SHIFT_JISX0213},
242 {"SHIFT_JIS-2004", SHIFT_JIS_2004},
243 {"EUC-JISX0213", EUC_JISX0213},
244 {"EUC-JIS-2004", EUC_JIS_2004},
247 {"UTF-8-BOM", UTF_8_BOM},
248 {"UTF8-MAC", UTF8_MAC},
249 {"UTF-8-MAC", UTF8_MAC},
251 {"UTF-16BE", UTF_16BE},
252 {"UTF-16BE-BOM", UTF_16BE_BOM},
253 {"UTF-16LE", UTF_16LE},
254 {"UTF-16LE-BOM", UTF_16LE_BOM},
256 {"UTF-32BE", UTF_32BE},
257 {"UTF-32BE-BOM", UTF_32BE_BOM},
258 {"UTF-32LE", UTF_32LE},
259 {"UTF-32LE-BOM", UTF_32LE_BOM},
264 #if defined(DEFAULT_CODE_JIS)
265 #define DEFAULT_ENCIDX ISO_2022_JP
266 #elif defined(DEFAULT_CODE_SJIS)
267 #define DEFAULT_ENCIDX SHIFT_JIS
268 #elif defined(DEFAULT_CODE_WINDOWS_31J)
269 #define DEFAULT_ENCIDX WINDOWS_31J
270 #elif defined(DEFAULT_CODE_EUC)
271 #define DEFAULT_ENCIDX EUC_JP
272 #elif defined(DEFAULT_CODE_UTF8)
273 #define DEFAULT_ENCIDX UTF_8
277 #define is_alnum(c) \
278 (('a'<=c && c<='z')||('A'<= c && c<='Z')||('0'<=c && c<='9'))
280 /* I don't trust portablity of toupper */
281 #define nkf_toupper(c) (('a'<=c && c<='z')?(c-('a'-'A')):c)
282 #define nkf_isoctal(c) ('0'<=c && c<='7')
283 #define nkf_isdigit(c) ('0'<=c && c<='9')
284 #define nkf_isxdigit(c) (nkf_isdigit(c) || ('a'<=c && c<='f') || ('A'<=c && c <= 'F'))
285 #define nkf_isblank(c) (c == SP || c == TAB)
286 #define nkf_isspace(c) (nkf_isblank(c) || c == CR || c == LF)
287 #define nkf_isalpha(c) (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'))
288 #define nkf_isalnum(c) (nkf_isdigit(c) || nkf_isalpha(c))
289 #define nkf_isprint(c) (SP<=c && c<='~')
290 #define nkf_isgraph(c) ('!'<=c && c<='~')
291 #define hex2bin(c) (('0'<=c&&c<='9') ? (c-'0') : \
292 ('A'<=c&&c<='F') ? (c-'A'+10) : \
293 ('a'<=c&&c<='f') ? (c-'a'+10) : 0)
294 #define bin2hex(c) ("0123456789ABCDEF"[c&15])
295 #define is_eucg3(c2) (((unsigned short)c2 >> 8) == SS3)
296 #define nkf_noescape_mime(c) ((c == CR) || (c == LF) || \
297 ((c > SP) && (c < DEL) && (c != '?') && (c != '=') && (c != '_') \
298 && (c != '(') && (c != ')') && (c != '.') && (c != 0x22)))
300 #define is_ibmext_in_sjis(c2) (CP932_TABLE_BEGIN <= c2 && c2 <= CP932_TABLE_END)
301 #define nkf_byte_jisx0201_katakana_p(c) (SP <= c && c <= 0x5F)
303 #define HOLD_SIZE 1024
304 #if defined(INT_IS_SHORT)
305 #define IOBUF_SIZE 2048
307 #define IOBUF_SIZE 16384
310 #define DEFAULT_J 'B'
311 #define DEFAULT_R 'B'
318 /* MIME preprocessor */
320 #ifdef EASYWIN /*Easy Win */
321 extern POINT _BufferSize;
330 void (*status_func)(struct input_code *, nkf_char);
331 nkf_char (*iconv_func)(nkf_char c2, nkf_char c1, nkf_char c0);
335 static const char *input_codename = NULL; /* NULL: unestablished, "": BINARY */
336 static nkf_encoding *input_encoding = NULL;
337 static nkf_encoding *output_encoding = NULL;
339 #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
341 * 0: Shift_JIS, eucJP-ascii
346 #define UCS_MAP_ASCII 0
348 #define UCS_MAP_CP932 2
349 #define UCS_MAP_CP10001 3
350 static int ms_ucs_map_f = UCS_MAP_ASCII;
352 #ifdef UTF8_INPUT_ENABLE
353 /* no NEC special, NEC-selected IBM extended and IBM extended characters */
354 static int no_cp932ext_f = FALSE;
355 /* ignore ZERO WIDTH NO-BREAK SPACE */
356 static int no_best_fit_chars_f = FALSE;
357 static int input_endian = ENDIAN_BIG;
358 static nkf_char unicode_subchar = '?'; /* the regular substitution character */
359 static void (*encode_fallback)(nkf_char c) = NULL;
360 static void w_status(struct input_code *, nkf_char);
362 #ifdef UTF8_OUTPUT_ENABLE
363 static int output_bom_f = FALSE;
364 static int output_endian = ENDIAN_BIG;
367 static void std_putc(nkf_char c);
368 static nkf_char std_getc(FILE *f);
369 static nkf_char std_ungetc(nkf_char c,FILE *f);
371 static nkf_char broken_getc(FILE *f);
372 static nkf_char broken_ungetc(nkf_char c,FILE *f);
374 static nkf_char mime_getc(FILE *f);
376 static void mime_putc(nkf_char c);
380 #if !defined(PERL_XS) && !defined(WIN32DLL)
381 static unsigned char stdibuf[IOBUF_SIZE];
382 static unsigned char stdobuf[IOBUF_SIZE];
386 static int unbuf_f = FALSE;
387 static int estab_f = FALSE;
388 static int nop_f = FALSE;
389 static int binmode_f = TRUE; /* binary mode */
390 static int rot_f = FALSE; /* rot14/43 mode */
391 static int hira_f = FALSE; /* hira/kata henkan */
392 static int alpha_f = FALSE; /* convert JIx0208 alphbet to ASCII */
393 static int mime_f = MIME_DECODE_DEFAULT; /* convert MIME B base64 or Q */
394 static int mime_decode_f = FALSE; /* mime decode is explicitly on */
395 static int mimebuf_f = FALSE; /* MIME buffered input */
396 static int broken_f = FALSE; /* convert ESC-less broken JIS */
397 static int iso8859_f = FALSE; /* ISO8859 through */
398 static int mimeout_f = FALSE; /* base64 mode */
399 static int x0201_f = X0201_DEFAULT; /* convert JIS X 0201 */
400 static int iso2022jp_f = FALSE; /* replace non ISO-2022-JP with GETA */
402 #ifdef UNICODE_NORMALIZATION
403 static int nfc_f = FALSE;
404 static nkf_char (*i_nfc_getc)(FILE *) = std_getc; /* input of ugetc */
405 static nkf_char (*i_nfc_ungetc)(nkf_char c ,FILE *f) = std_ungetc;
409 static int cap_f = FALSE;
410 static nkf_char (*i_cgetc)(FILE *) = std_getc; /* input of cgetc */
411 static nkf_char (*i_cungetc)(nkf_char c ,FILE *f) = std_ungetc;
413 static int url_f = FALSE;
414 static nkf_char (*i_ugetc)(FILE *) = std_getc; /* input of ugetc */
415 static nkf_char (*i_uungetc)(nkf_char c ,FILE *f) = std_ungetc;
418 #define PREFIX_EUCG3 NKF_INT32_C(0x8F00)
419 #define CLASS_MASK NKF_INT32_C(0xFF000000)
420 #define CLASS_UNICODE NKF_INT32_C(0x01000000)
421 #define VALUE_MASK NKF_INT32_C(0x00FFFFFF)
422 #define UNICODE_BMP_MAX NKF_INT32_C(0x0000FFFF)
423 #define UNICODE_MAX NKF_INT32_C(0x0010FFFF)
424 #define nkf_char_euc3_new(c) ((c) | PREFIX_EUCG3)
425 #define nkf_char_unicode_new(c) ((c) | CLASS_UNICODE)
426 #define nkf_char_unicode_p(c) ((c & CLASS_MASK) == CLASS_UNICODE)
427 #define nkf_char_unicode_bmp_p(c) ((c & VALUE_MASK) <= UNICODE_BMP_MAX)
428 #define nkf_char_unicode_value_p(c) ((c & VALUE_MASK) <= UNICODE_MAX)
430 #ifdef NUMCHAR_OPTION
431 static int numchar_f = FALSE;
432 static nkf_char (*i_ngetc)(FILE *) = std_getc; /* input of ugetc */
433 static nkf_char (*i_nungetc)(nkf_char c ,FILE *f) = std_ungetc;
437 static int noout_f = FALSE;
438 static void no_putc(nkf_char c);
439 static int debug_f = FALSE;
440 static void debug(const char *str);
441 static nkf_char (*iconv_for_check)(nkf_char c2,nkf_char c1,nkf_char c0) = 0;
444 static int guess_f = 0; /* 0: OFF, 1: ON, 2: VERBOSE */
445 static void set_input_codename(const char *codename);
448 static int exec_f = 0;
451 #ifdef SHIFTJIS_CP932
452 /* invert IBM extended characters to others */
453 static int cp51932_f = FALSE;
455 /* invert NEC-selected IBM extended characters to IBM extended characters */
456 static int cp932inv_f = TRUE;
458 /* static nkf_char cp932_conv(nkf_char c2, nkf_char c1); */
459 #endif /* SHIFTJIS_CP932 */
461 static int x0212_f = FALSE;
462 static int x0213_f = FALSE;
464 static unsigned char prefix_table[256];
466 static void e_status(struct input_code *, nkf_char);
467 static void s_status(struct input_code *, nkf_char);
469 struct input_code input_code_list[] = {
470 {"EUC-JP", 0, 0, 0, {0, 0, 0}, e_status, e_iconv, 0},
471 {"Shift_JIS", 0, 0, 0, {0, 0, 0}, s_status, s_iconv, 0},
472 #ifdef UTF8_INPUT_ENABLE
473 {"UTF-8", 0, 0, 0, {0, 0, 0}, w_status, w_iconv, 0},
474 {"UTF-16", 0, 0, 0, {0, 0, 0}, NULL, w_iconv16, 0},
475 {"UTF-32", 0, 0, 0, {0, 0, 0}, NULL, w_iconv32, 0},
480 static int mimeout_mode = 0; /* 0, -1, 'Q', 'B', 1, 2 */
481 static int base64_count = 0;
483 /* X0208 -> ASCII converter */
486 static int f_line = 0; /* chars in line */
487 static int f_prev = 0;
488 static int fold_preserve_f = FALSE; /* preserve new lines */
489 static int fold_f = FALSE;
490 static int fold_len = 0;
493 static unsigned char kanji_intro = DEFAULT_J;
494 static unsigned char ascii_intro = DEFAULT_R;
498 #define FOLD_MARGIN 10
499 #define DEFAULT_FOLD 60
501 static int fold_margin = FOLD_MARGIN;
503 /* process default */
506 no_connection2(nkf_char c2, nkf_char c1, nkf_char c0)
508 fprintf(stderr,"nkf internal module connection failure.\n");
514 no_connection(nkf_char c2, nkf_char c1)
516 no_connection2(c2,c1,0);
519 static nkf_char (*iconv)(nkf_char c2,nkf_char c1,nkf_char c0) = no_connection2;
520 static void (*oconv)(nkf_char c2,nkf_char c1) = no_connection;
522 static void (*o_zconv)(nkf_char c2,nkf_char c1) = no_connection;
523 static void (*o_fconv)(nkf_char c2,nkf_char c1) = no_connection;
524 static void (*o_eol_conv)(nkf_char c2,nkf_char c1) = no_connection;
525 static void (*o_rot_conv)(nkf_char c2,nkf_char c1) = no_connection;
526 static void (*o_hira_conv)(nkf_char c2,nkf_char c1) = no_connection;
527 static void (*o_base64conv)(nkf_char c2,nkf_char c1) = no_connection;
528 static void (*o_iso2022jp_check_conv)(nkf_char c2,nkf_char c1) = no_connection;
530 /* static redirections */
532 static void (*o_putc)(nkf_char c) = std_putc;
534 static nkf_char (*i_getc)(FILE *f) = std_getc; /* general input */
535 static nkf_char (*i_ungetc)(nkf_char c,FILE *f) =std_ungetc;
537 static nkf_char (*i_bgetc)(FILE *) = std_getc; /* input of mgetc */
538 static nkf_char (*i_bungetc)(nkf_char c ,FILE *f) = std_ungetc;
540 static void (*o_mputc)(nkf_char c) = std_putc ; /* output of mputc */
542 static nkf_char (*i_mgetc)(FILE *) = std_getc; /* input of mgetc */
543 static nkf_char (*i_mungetc)(nkf_char c ,FILE *f) = std_ungetc;
545 /* for strict mime */
546 static nkf_char (*i_mgetc_buf)(FILE *) = std_getc; /* input of mgetc_buf */
547 static nkf_char (*i_mungetc_buf)(nkf_char c,FILE *f) = std_ungetc;
550 static int output_mode = ASCII; /* output kanji mode */
551 static int input_mode = ASCII; /* input kanji mode */
552 static int mime_decode_mode = FALSE; /* MIME mode B base64, Q hex */
554 /* X0201 / X0208 conversion tables */
556 /* X0201 kana conversion table */
558 static const unsigned char cv[]= {
559 0x21,0x21,0x21,0x23,0x21,0x56,0x21,0x57,
560 0x21,0x22,0x21,0x26,0x25,0x72,0x25,0x21,
561 0x25,0x23,0x25,0x25,0x25,0x27,0x25,0x29,
562 0x25,0x63,0x25,0x65,0x25,0x67,0x25,0x43,
563 0x21,0x3c,0x25,0x22,0x25,0x24,0x25,0x26,
564 0x25,0x28,0x25,0x2a,0x25,0x2b,0x25,0x2d,
565 0x25,0x2f,0x25,0x31,0x25,0x33,0x25,0x35,
566 0x25,0x37,0x25,0x39,0x25,0x3b,0x25,0x3d,
567 0x25,0x3f,0x25,0x41,0x25,0x44,0x25,0x46,
568 0x25,0x48,0x25,0x4a,0x25,0x4b,0x25,0x4c,
569 0x25,0x4d,0x25,0x4e,0x25,0x4f,0x25,0x52,
570 0x25,0x55,0x25,0x58,0x25,0x5b,0x25,0x5e,
571 0x25,0x5f,0x25,0x60,0x25,0x61,0x25,0x62,
572 0x25,0x64,0x25,0x66,0x25,0x68,0x25,0x69,
573 0x25,0x6a,0x25,0x6b,0x25,0x6c,0x25,0x6d,
574 0x25,0x6f,0x25,0x73,0x21,0x2b,0x21,0x2c,
578 /* X0201 kana conversion table for daguten */
580 static const unsigned char dv[]= {
581 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
582 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
583 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
584 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
585 0x00,0x00,0x00,0x00,0x00,0x00,0x25,0x74,
586 0x00,0x00,0x00,0x00,0x25,0x2c,0x25,0x2e,
587 0x25,0x30,0x25,0x32,0x25,0x34,0x25,0x36,
588 0x25,0x38,0x25,0x3a,0x25,0x3c,0x25,0x3e,
589 0x25,0x40,0x25,0x42,0x25,0x45,0x25,0x47,
590 0x25,0x49,0x00,0x00,0x00,0x00,0x00,0x00,
591 0x00,0x00,0x00,0x00,0x25,0x50,0x25,0x53,
592 0x25,0x56,0x25,0x59,0x25,0x5c,0x00,0x00,
593 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
594 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
595 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
596 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
599 /* X0201 kana conversion table for han-daguten */
601 static const unsigned char ev[]= {
602 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
603 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
604 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
605 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
606 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
607 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
608 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
609 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
610 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
611 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
612 0x00,0x00,0x00,0x00,0x25,0x51,0x25,0x54,
613 0x25,0x57,0x25,0x5a,0x25,0x5d,0x00,0x00,
614 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
615 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
616 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
617 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
621 /* X0208 kigou conversion table */
622 /* 0x8140 - 0x819e */
623 static const unsigned char fv[] = {
625 0x00,0x00,0x00,0x00,0x2c,0x2e,0x00,0x3a,
626 0x3b,0x3f,0x21,0x00,0x00,0x27,0x60,0x00,
627 0x5e,0x00,0x5f,0x00,0x00,0x00,0x00,0x00,
628 0x00,0x00,0x00,0x00,0x00,0x2d,0x00,0x2f,
629 0x5c,0x00,0x00,0x7c,0x00,0x00,0x60,0x27,
630 0x22,0x22,0x28,0x29,0x00,0x00,0x5b,0x5d,
631 0x7b,0x7d,0x3c,0x3e,0x00,0x00,0x00,0x00,
632 0x00,0x00,0x00,0x00,0x2b,0x2d,0x00,0x00,
633 0x00,0x3d,0x00,0x3c,0x3e,0x00,0x00,0x00,
634 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
635 0x24,0x00,0x00,0x25,0x23,0x26,0x2a,0x40,
636 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
641 static int option_mode = 0;
642 static int file_out_f = FALSE;
644 static int overwrite_f = FALSE;
645 static int preserve_time_f = FALSE;
646 static int backup_f = FALSE;
647 static char *backup_suffix = "";
650 static int eolmode_f = 0; /* CR, LF, CRLF */
651 static int input_eol = 0; /* 0: unestablished, EOF: MIXED */
652 static nkf_char prev_cr = 0; /* CR or 0 */
653 #ifdef EASYWIN /*Easy Win */
654 static int end_check;
658 nkf_xmalloc(size_t size)
662 if (size == 0) size = 1;
666 perror("can't malloc");
674 nkf_xrealloc(void *ptr, size_t size)
676 if (size == 0) size = 1;
678 ptr = realloc(ptr, size);
680 perror("can't realloc");
687 #define nkf_xfree(ptr) free(ptr)
690 nkf_str_caseeql(const char *src, const char *target)
693 for (i = 0; src[i] && target[i]; i++) {
694 if (nkf_toupper(src[i]) != nkf_toupper(target[i])) return FALSE;
696 if (src[i] || target[i]) return FALSE;
701 nkf_enc_from_index(int idx)
703 if (idx < 0 || NKF_ENCODING_TABLE_SIZE <= idx) {
706 return &nkf_encoding_table[idx];
710 nkf_enc_find_index(const char *name)
713 if (name[0] == 'X' && *(name+1) == '-') name += 2;
714 for (i = 0; encoding_name_to_id_table[i].id >= 0; i++) {
715 if (nkf_str_caseeql(encoding_name_to_id_table[i].name, name)) {
716 return encoding_name_to_id_table[i].id;
723 nkf_enc_find(const char *name)
726 idx = nkf_enc_find_index(name);
727 if (idx < 0) return 0;
728 return nkf_enc_from_index(idx);
731 #define nkf_enc_name(enc) (enc)->name
732 #define nkf_enc_to_index(enc) (enc)->id
733 #define nkf_enc_to_base_encoding(enc) (enc)->base_encoding
734 #define nkf_enc_to_iconv(enc) nkf_enc_to_base_encoding(enc)->iconv
735 #define nkf_enc_to_oconv(enc) nkf_enc_to_base_encoding(enc)->oconv
736 #define nkf_enc_asciicompat(enc) (\
737 nkf_enc_to_base_encoding(enc) == &NkfEncodingASCII ||\
738 nkf_enc_to_base_encoding(enc) == &NkfEncodingISO_2022_JP)
739 #define nkf_enc_unicode_p(enc) (\
740 nkf_enc_to_base_encoding(enc) == &NkfEncodingUTF_8 ||\
741 nkf_enc_to_base_encoding(enc) == &NkfEncodingUTF_16 ||\
742 nkf_enc_to_base_encoding(enc) == &NkfEncodingUTF_32)
743 #define nkf_enc_cp5022x_p(enc) (\
744 nkf_enc_to_index(enc) == CP50220 ||\
745 nkf_enc_to_index(enc) == CP50221 ||\
746 nkf_enc_to_index(enc) == CP50222)
748 #ifdef DEFAULT_CODE_LOCALE
752 #ifdef HAVE_LANGINFO_H
753 return nl_langinfo(CODESET);
754 #elif defined(__WIN32__)
756 sprintf(buf, "CP%d", GetACP());
758 #elif defined(__OS2__)
759 # if defined(INT_IS_SHORT)
765 ULONG ulCP[1], ulncp;
766 DosQueryCp(sizeof(ulCP), ulCP, &ulncp);
767 if (ulCP[0] == 932 || ulCP[0] == 943)
768 strcpy(buf, "Shift_JIS");
770 sprintf(buf, "CP%lu", ulCP[0]);
778 nkf_locale_encoding()
780 nkf_encoding *enc = 0;
781 const char *encname = nkf_locale_charmap();
783 enc = nkf_enc_find(encname);
786 #endif /* DEFAULT_CODE_LOCALE */
791 return &nkf_encoding_table[UTF_8];
795 nkf_default_encoding()
797 nkf_encoding *enc = 0;
798 #ifdef DEFAULT_CODE_LOCALE
799 enc = nkf_locale_encoding();
800 #elif defined(DEFAULT_ENCIDX)
801 enc = nkf_enc_from_index(DEFAULT_ENCIDX);
803 if (!enc) enc = nkf_utf8_encoding();
814 nkf_buf_new(int length)
816 nkf_buf_t *buf = nkf_xmalloc(sizeof(nkf_buf_t));
817 buf->ptr = nkf_xmalloc(length);
825 nkf_buf_dispose(nkf_buf_t *buf)
832 #define nkf_buf_length(buf) ((buf)->len)
833 #define nkf_buf_empty_p(buf) ((buf)->len == 0)
836 nkf_buf_at(nkf_buf_t *buf, int index)
838 assert(index <= buf->len);
839 return buf->ptr[index];
843 nkf_buf_clear(nkf_buf_t *buf)
849 nkf_buf_push(nkf_buf_t *buf, nkf_char c)
851 if (buf->capa <= buf->len) {
854 buf->ptr[buf->len++] = c;
858 nkf_buf_pop(nkf_buf_t *buf)
860 assert(!nkf_buf_empty_p(buf));
861 return buf->ptr[--buf->len];
864 /* Normalization Form C */
867 #define fprintf dllprintf
873 fprintf(HELP_OUTPUT,"Network Kanji Filter Version " NKF_VERSION " (" NKF_RELEASE_DATE ") \n" COPY_RIGHT "\n");
880 "Usage: nkf -[flags] [--] [in file] .. [out file for -O flag]\n"
881 #ifdef UTF8_OUTPUT_ENABLE
882 " j/s/e/w Specify output encoding ISO-2022-JP, Shift_JIS, EUC-JP\n"
883 " UTF options is -w[8[0],{16,32}[{B,L}[0]]]\n"
886 #ifdef UTF8_INPUT_ENABLE
887 " J/S/E/W Specify input encoding ISO-2022-JP, Shift_JIS, EUC-JP\n"
888 " UTF option is -W[8,[16,32][B,L]]\n"
890 " J/S/E Specify output encoding ISO-2022-JP, Shift_JIS, EUC-JP\n"
894 " m[BQSN0] MIME decode [B:base64,Q:quoted,S:strict,N:nonstrict,0:no decode]\n"
895 " M[BQ] MIME encode [B:base64 Q:quoted]\n"
896 " f/F Folding: -f60 or -f or -f60-10 (fold margin 10) F preserve nl\n"
899 " Z[0-4] Default/0: Convert JISX0208 Alphabet to ASCII\n"
900 " 1: Kankaku to one space 2: to two spaces 3: HTML Entity\n"
901 " 4: JISX0208 Katakana to JISX0201 Katakana\n"
902 " X,x Assume X0201 kana in MS-Kanji, -x preserves X0201\n"
905 " O Output to File (DEFAULT 'nkf.out')\n"
906 " L[uwm] Line mode u:LF w:CRLF m:CR (DEFAULT noconversion)\n"
909 " --ic=<encoding> Specify the input encoding\n"
910 " --oc=<encoding> Specify the output encoding\n"
911 " --hiragana --katakana Hiragana/Katakana Conversion\n"
912 " --katakana-hiragana Converts each other\n"
916 " --{cap, url}-input Convert hex after ':' or '%%'\n"
918 #ifdef NUMCHAR_OPTION
919 " --numchar-input Convert Unicode Character Reference\n"
921 #ifdef UTF8_INPUT_ENABLE
922 " --fb-{skip, html, xml, perl, java, subchar}\n"
923 " Specify unassigned character's replacement\n"
928 " --in-place[=SUF] Overwrite original files\n"
929 " --overwrite[=SUF] Preserve timestamp of original files\n"
931 " -g --guess Guess the input code\n"
932 " -v --version Print the version\n"
933 " --help/-V Print this help / configuration\n"
939 show_configuration(void)
942 "Summary of my nkf " NKF_VERSION " (" NKF_RELEASE_DATE ") configuration:\n"
943 " Compile-time options:\n"
944 " Compiled at: " __DATE__ " " __TIME__ "\n"
947 " Default output encoding: "
948 #ifdef DEFAULT_CODE_LOCALE
949 "LOCALE (%s)\n", nkf_enc_name(nkf_default_encoding())
950 #elif defined(DEFAULT_ENCIDX)
951 "CONFIG (%s)\n", nkf_enc_name(nkf_default_encoding())
957 " Default output end of line: "
958 #if DEFAULT_NEWLINE == CR
960 #elif DEFAULT_NEWLINE == CRLF
966 " Decode MIME encoded string: "
967 #if MIME_DECODE_DEFAULT
973 " Convert JIS X 0201 Katakana: "
980 " --help, --version output: "
981 #if HELP_OUTPUT_HELP_OUTPUT
992 get_backup_filename(const char *suffix, const char *filename)
994 char *backup_filename;
995 int asterisk_count = 0;
997 int filename_length = strlen(filename);
999 for(i = 0; suffix[i]; i++){
1000 if(suffix[i] == '*') asterisk_count++;
1004 backup_filename = nkf_xmalloc(strlen(suffix) + (asterisk_count * (filename_length - 1)) + 1);
1005 for(i = 0, j = 0; suffix[i];){
1006 if(suffix[i] == '*'){
1007 backup_filename[j] = '\0';
1008 strncat(backup_filename, filename, filename_length);
1010 j += filename_length;
1012 backup_filename[j++] = suffix[i++];
1015 backup_filename[j] = '\0';
1017 j = filename_length + strlen(suffix);
1018 backup_filename = nkf_xmalloc(j + 1);
1019 strcpy(backup_filename, filename);
1020 strcat(backup_filename, suffix);
1021 backup_filename[j] = '\0';
1023 return backup_filename;
1027 #ifdef UTF8_INPUT_ENABLE
1029 nkf_each_char_to_hex(void (*f)(nkf_char c2,nkf_char c1), nkf_char c)
1034 if(c >= NKF_INT32_C(1)<<shift){
1036 (*f)(0, bin2hex(c>>shift));
1047 encode_fallback_html(nkf_char c)
1052 if(c >= NKF_INT32_C(1000000))
1053 (*oconv)(0, 0x30+(c/NKF_INT32_C(1000000))%10);
1054 if(c >= NKF_INT32_C(100000))
1055 (*oconv)(0, 0x30+(c/NKF_INT32_C(100000) )%10);
1057 (*oconv)(0, 0x30+(c/10000 )%10);
1059 (*oconv)(0, 0x30+(c/1000 )%10);
1061 (*oconv)(0, 0x30+(c/100 )%10);
1063 (*oconv)(0, 0x30+(c/10 )%10);
1065 (*oconv)(0, 0x30+ c %10);
1071 encode_fallback_xml(nkf_char c)
1076 nkf_each_char_to_hex(oconv, c);
1082 encode_fallback_java(nkf_char c)
1086 if(!nkf_char_unicode_bmp_p(c)){
1090 (*oconv)(0, bin2hex(c>>20));
1091 (*oconv)(0, bin2hex(c>>16));
1095 (*oconv)(0, bin2hex(c>>12));
1096 (*oconv)(0, bin2hex(c>> 8));
1097 (*oconv)(0, bin2hex(c>> 4));
1098 (*oconv)(0, bin2hex(c ));
1103 encode_fallback_perl(nkf_char c)
1108 nkf_each_char_to_hex(oconv, c);
1114 encode_fallback_subchar(nkf_char c)
1116 c = unicode_subchar;
1117 (*oconv)((c>>8)&0xFF, c&0xFF);
1122 static const struct {
1146 {"katakana-hiragana","h3"},
1154 #ifdef UTF8_OUTPUT_ENABLE
1164 {"fb-subchar=", ""},
1166 #ifdef UTF8_INPUT_ENABLE
1167 {"utf8-input", "W"},
1168 {"utf16-input", "W16"},
1169 {"no-cp932ext", ""},
1170 {"no-best-fit-chars",""},
1172 #ifdef UNICODE_NORMALIZATION
1173 {"utf8mac-input", ""},
1185 #ifdef NUMCHAR_OPTION
1186 {"numchar-input", ""},
1192 #ifdef SHIFTJIS_CP932
1203 set_input_encoding(nkf_encoding *enc)
1205 switch (nkf_enc_to_index(enc)) {
1213 #ifdef SHIFTJIS_CP932
1216 #ifdef UTF8_OUTPUT_ENABLE
1217 ms_ucs_map_f = UCS_MAP_CP932;
1227 case ISO_2022_JP_2004:
1235 #ifdef SHIFTJIS_CP932
1238 #ifdef UTF8_OUTPUT_ENABLE
1239 ms_ucs_map_f = UCS_MAP_CP932;
1244 #ifdef SHIFTJIS_CP932
1247 #ifdef UTF8_OUTPUT_ENABLE
1248 ms_ucs_map_f = UCS_MAP_CP10001;
1257 #ifdef SHIFTJIS_CP932
1260 #ifdef UTF8_OUTPUT_ENABLE
1261 ms_ucs_map_f = UCS_MAP_CP932;
1265 #ifdef SHIFTJIS_CP932
1268 #ifdef UTF8_OUTPUT_ENABLE
1269 ms_ucs_map_f = UCS_MAP_MS;
1273 #ifdef SHIFTJIS_CP932
1276 #ifdef UTF8_OUTPUT_ENABLE
1277 ms_ucs_map_f = UCS_MAP_ASCII;
1280 case SHIFT_JISX0213:
1281 case SHIFT_JIS_2004:
1283 #ifdef SHIFTJIS_CP932
1290 #ifdef SHIFTJIS_CP932
1294 #ifdef UTF8_INPUT_ENABLE
1295 #ifdef UNICODE_NORMALIZATION
1303 input_endian = ENDIAN_BIG;
1307 input_endian = ENDIAN_LITTLE;
1312 input_endian = ENDIAN_BIG;
1316 input_endian = ENDIAN_LITTLE;
1323 set_output_encoding(nkf_encoding *enc)
1325 switch (nkf_enc_to_index(enc)) {
1328 #ifdef SHIFTJIS_CP932
1329 if (cp932inv_f == TRUE) cp932inv_f = FALSE;
1331 #ifdef UTF8_OUTPUT_ENABLE
1332 ms_ucs_map_f = UCS_MAP_CP932;
1337 #ifdef SHIFTJIS_CP932
1338 if (cp932inv_f == TRUE) cp932inv_f = FALSE;
1340 #ifdef UTF8_OUTPUT_ENABLE
1341 ms_ucs_map_f = UCS_MAP_CP932;
1345 #ifdef SHIFTJIS_CP932
1346 if (cp932inv_f == TRUE) cp932inv_f = FALSE;
1351 #ifdef SHIFTJIS_CP932
1352 if (cp932inv_f == TRUE) cp932inv_f = FALSE;
1358 #ifdef SHIFTJIS_CP932
1359 if (cp932inv_f == TRUE) cp932inv_f = FALSE;
1366 #ifdef UTF8_OUTPUT_ENABLE
1367 ms_ucs_map_f = UCS_MAP_CP932;
1371 #ifdef UTF8_OUTPUT_ENABLE
1372 ms_ucs_map_f = UCS_MAP_CP10001;
1377 #ifdef SHIFTJIS_CP932
1378 if (cp932inv_f == TRUE) cp932inv_f = FALSE;
1380 #ifdef UTF8_OUTPUT_ENABLE
1381 ms_ucs_map_f = UCS_MAP_ASCII;
1386 #ifdef SHIFTJIS_CP932
1387 if (cp932inv_f == TRUE) cp932inv_f = FALSE;
1389 #ifdef UTF8_OUTPUT_ENABLE
1390 ms_ucs_map_f = UCS_MAP_ASCII;
1395 #ifdef SHIFTJIS_CP932
1396 if (cp932inv_f == TRUE) cp932inv_f = FALSE;
1398 #ifdef UTF8_OUTPUT_ENABLE
1399 ms_ucs_map_f = UCS_MAP_CP932;
1404 #ifdef UTF8_OUTPUT_ENABLE
1405 ms_ucs_map_f = UCS_MAP_MS;
1410 #ifdef UTF8_OUTPUT_ENABLE
1411 ms_ucs_map_f = UCS_MAP_ASCII;
1414 case SHIFT_JISX0213:
1415 case SHIFT_JIS_2004:
1417 #ifdef SHIFTJIS_CP932
1418 if (cp932inv_f == TRUE) cp932inv_f = FALSE;
1425 #ifdef SHIFTJIS_CP932
1426 if (cp932inv_f == TRUE) cp932inv_f = FALSE;
1429 #ifdef UTF8_OUTPUT_ENABLE
1431 output_bom_f = TRUE;
1435 output_bom_f = TRUE;
1438 output_endian = ENDIAN_LITTLE;
1439 output_bom_f = FALSE;
1442 output_endian = ENDIAN_LITTLE;
1443 output_bom_f = TRUE;
1447 output_bom_f = TRUE;
1450 output_endian = ENDIAN_LITTLE;
1451 output_bom_f = FALSE;
1454 output_endian = ENDIAN_LITTLE;
1455 output_bom_f = TRUE;
1461 static struct input_code*
1462 find_inputcode_byfunc(nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0))
1465 struct input_code *p = input_code_list;
1467 if (iconv_func == p->iconv_func){
1477 set_iconv(nkf_char f, nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0))
1479 #ifdef INPUT_CODE_FIX
1480 if (f || !input_encoding)
1487 #ifdef INPUT_CODE_FIX
1488 && (f == -TRUE || !input_encoding) /* -TRUE means "FORCE" */
1494 if (estab_f && iconv_for_check != iconv){
1495 struct input_code *p = find_inputcode_byfunc(iconv);
1497 set_input_codename(p->name);
1500 iconv_for_check = iconv;
1507 x0212_shift(nkf_char c)
1512 if (0x75 <= c && c <= 0x7f){
1513 ret = c + (0x109 - 0x75);
1516 if (0x75 <= c && c <= 0x7f){
1517 ret = c + (0x113 - 0x75);
1525 x0212_unshift(nkf_char c)
1528 if (0x7f <= c && c <= 0x88){
1529 ret = c + (0x75 - 0x7f);
1530 }else if (0x89 <= c && c <= 0x92){
1531 ret = PREFIX_EUCG3 | 0x80 | (c + (0x75 - 0x89));
1535 #endif /* X0212_ENABLE */
1538 e2s_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1)
1544 if((0x21 <= ndx && ndx <= 0x2F)){
1545 if (p2) *p2 = ((ndx - 1) >> 1) + 0xec - ndx / 8 * 3;
1546 if (p1) *p1 = c1 + ((ndx & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e);
1548 }else if(0x6E <= ndx && ndx <= 0x7E){
1549 if (p2) *p2 = ((ndx - 1) >> 1) + 0xbe;
1550 if (p1) *p1 = c1 + ((ndx & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e);
1556 else if(nkf_isgraph(ndx)){
1558 const unsigned short *ptr;
1559 ptr = x0212_shiftjis[ndx - 0x21];
1561 val = ptr[(c1 & 0x7f) - 0x21];
1570 c2 = x0212_shift(c2);
1572 #endif /* X0212_ENABLE */
1574 if(0x7F < c2) return 1;
1575 if (p2) *p2 = ((c2 - 1) >> 1) + ((c2 <= 0x5e) ? 0x71 : 0xb1);
1576 if (p1) *p1 = c1 + ((c2 & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e);
1581 s2e_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1)
1583 #if defined(SHIFTJIS_CP932) || defined(X0212_ENABLE)
1586 static const char shift_jisx0213_s1a3_table[5][2] ={ { 1, 8}, { 3, 4}, { 5,12}, {13,14}, {15, 0} };
1587 if (0xFC < c1) return 1;
1588 #ifdef SHIFTJIS_CP932
1589 if (!cp932inv_f && is_ibmext_in_sjis(c2)){
1590 val = shiftjis_cp932[c2 - CP932_TABLE_BEGIN][c1 - 0x40];
1597 && CP932INV_TABLE_BEGIN <= c2 && c2 <= CP932INV_TABLE_END){
1598 val = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40];
1604 #endif /* SHIFTJIS_CP932 */
1606 if (!x0213_f && is_ibmext_in_sjis(c2)){
1607 val = shiftjis_x0212[c2 - 0xfa][c1 - 0x40];
1610 c2 = PREFIX_EUCG3 | ((val >> 8) & 0x7f);
1623 if(x0213_f && c2 >= 0xF0){
1624 if(c2 <= 0xF3 || (c2 == 0xF4 && c1 < 0x9F)){ /* k=1, 3<=k<=5, k=8, 12<=k<=15 */
1625 c2 = PREFIX_EUCG3 | 0x20 | shift_jisx0213_s1a3_table[c2 - 0xF0][0x9E < c1];
1626 }else{ /* 78<=k<=94 */
1627 c2 = PREFIX_EUCG3 | (c2 * 2 - 0x17B);
1628 if (0x9E < c1) c2++;
1631 #define SJ0162 0x00e1 /* 01 - 62 ku offset */
1632 #define SJ6394 0x0161 /* 63 - 94 ku offset */
1633 c2 = c2 + c2 - ((c2 <= 0x9F) ? SJ0162 : SJ6394);
1634 if (0x9E < c1) c2++;
1637 c1 = c1 - ((c1 > DEL) ? SP : 0x1F);
1644 c2 = x0212_unshift(c2);
1651 #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
1653 nkf_unicode_to_utf8(nkf_char val, nkf_char *p1, nkf_char *p2, nkf_char *p3, nkf_char *p4)
1661 }else if (val < 0x800){
1662 *p1 = 0xc0 | (val >> 6);
1663 *p2 = 0x80 | (val & 0x3f);
1666 } else if (nkf_char_unicode_bmp_p(val)) {
1667 *p1 = 0xe0 | (val >> 12);
1668 *p2 = 0x80 | ((val >> 6) & 0x3f);
1669 *p3 = 0x80 | ( val & 0x3f);
1671 } else if (nkf_char_unicode_value_p(val)) {
1672 *p1 = 0xf0 | (val >> 18);
1673 *p2 = 0x80 | ((val >> 12) & 0x3f);
1674 *p3 = 0x80 | ((val >> 6) & 0x3f);
1675 *p4 = 0x80 | ( val & 0x3f);
1685 nkf_utf8_to_unicode(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4)
1692 else if (c1 <= 0xC3) {
1693 /* trail byte or invalid */
1696 else if (c1 <= 0xDF) {
1698 wc = (c1 & 0x1F) << 6;
1701 else if (c1 <= 0xEF) {
1703 wc = (c1 & 0x0F) << 12;
1704 wc |= (c2 & 0x3F) << 6;
1707 else if (c2 <= 0xF4) {
1709 wc = (c1 & 0x0F) << 18;
1710 wc |= (c2 & 0x3F) << 12;
1711 wc |= (c3 & 0x3F) << 6;
1721 #ifdef UTF8_INPUT_ENABLE
1723 unicode_to_jis_common2(nkf_char c1, nkf_char c0,
1724 const unsigned short *const *pp, nkf_char psize,
1725 nkf_char *p2, nkf_char *p1)
1728 const unsigned short *p;
1731 if (pp == 0) return 1;
1734 if (c1 < 0 || psize <= c1) return 1;
1736 if (p == 0) return 1;
1739 if (c0 < 0 || sizeof_utf8_to_euc_C2 <= c0) return 1;
1741 if (val == 0) return 1;
1742 if (no_cp932ext_f && (
1743 (val>>8) == 0x2D || /* NEC special characters */
1744 val > NKF_INT32_C(0xF300) /* IBM extended characters */
1752 if (c2 == SO) c2 = JIS_X_0201_1976_K;
1760 unicode_to_jis_common(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1)
1762 const unsigned short *const *pp;
1763 const unsigned short *const *const *ppp;
1764 static const char no_best_fit_chars_table_C2[] =
1765 {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1766 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1767 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 2, 1, 1, 2,
1768 0, 0, 1, 1, 0, 1, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1};
1769 static const char no_best_fit_chars_table_C2_ms[] =
1770 {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1771 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1772 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0,
1773 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0};
1774 static const char no_best_fit_chars_table_932_C2[] =
1775 {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1776 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1777 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1,
1778 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0};
1779 static const char no_best_fit_chars_table_932_C3[] =
1780 {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1781 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1,
1782 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1783 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1};
1789 }else if(c2 < 0xe0){
1790 if(no_best_fit_chars_f){
1791 if(ms_ucs_map_f == UCS_MAP_CP932){
1794 if(no_best_fit_chars_table_932_C2[c1&0x3F]) return 1;
1797 if(no_best_fit_chars_table_932_C3[c1&0x3F]) return 1;
1800 }else if(!cp932inv_f){
1803 if(no_best_fit_chars_table_C2[c1&0x3F]) return 1;
1806 if(no_best_fit_chars_table_932_C3[c1&0x3F]) return 1;
1809 }else if(ms_ucs_map_f == UCS_MAP_MS){
1810 if(c2 == 0xC2 && no_best_fit_chars_table_C2_ms[c1&0x3F]) return 1;
1811 }else if(ms_ucs_map_f == UCS_MAP_CP10001){
1829 ms_ucs_map_f == UCS_MAP_CP932 ? utf8_to_euc_2bytes_932 :
1830 ms_ucs_map_f == UCS_MAP_MS ? utf8_to_euc_2bytes_ms :
1831 ms_ucs_map_f == UCS_MAP_CP10001 ? utf8_to_euc_2bytes_mac :
1833 ret = unicode_to_jis_common2(c2, c1, pp, sizeof_utf8_to_euc_2bytes, p2, p1);
1834 }else if(c0 < 0xF0){
1835 if(no_best_fit_chars_f){
1836 if(ms_ucs_map_f == UCS_MAP_CP932){
1837 if(c2 == 0xE3 && c1 == 0x82 && c0 == 0x94) return 1;
1838 }else if(ms_ucs_map_f == UCS_MAP_MS){
1843 if(c0 == 0x94 || c0 == 0x96 || c0 == 0xBE) return 1;
1846 if(c0 == 0x92) return 1;
1851 if(c1 == 0x80 || c0 == 0x9C) return 1;
1854 }else if(ms_ucs_map_f == UCS_MAP_CP10001){
1859 if(c0 == 0x94) return 1;
1862 if(c0 == 0xBB) return 1;
1872 if(c0 == 0x95) return 1;
1875 if(c0 == 0xA5) return 1;
1882 if(c0 == 0x8D) return 1;
1885 if(c0 == 0x9E && !cp932inv_f) return 1;
1888 if(0xA0 <= c0 && c0 <= 0xA5) return 1;
1896 ms_ucs_map_f == UCS_MAP_CP932 ? utf8_to_euc_3bytes_932 :
1897 ms_ucs_map_f == UCS_MAP_MS ? utf8_to_euc_3bytes_ms :
1898 ms_ucs_map_f == UCS_MAP_CP10001 ? utf8_to_euc_3bytes_mac :
1900 ret = unicode_to_jis_common2(c1, c0, ppp[c2 - 0xE0], sizeof_utf8_to_euc_C2, p2, p1);
1902 #ifdef SHIFTJIS_CP932
1903 if (!ret && !cp932inv_f && is_eucg3(*p2)) {
1905 if (e2s_conv(*p2, *p1, &s2, &s1) == 0) {
1906 s2e_conv(s2, s1, p2, p1);
1915 #ifdef UTF8_OUTPUT_ENABLE
1917 e2w_conv(nkf_char c2, nkf_char c1)
1919 const unsigned short *p;
1921 if (c2 == JIS_X_0201_1976_K) {
1922 if (ms_ucs_map_f == UCS_MAP_CP10001) {
1930 p = euc_to_utf8_1byte;
1932 } else if (is_eucg3(c2)){
1933 if(ms_ucs_map_f == UCS_MAP_ASCII&& c2 == NKF_INT32_C(0x8F22) && c1 == 0x43){
1936 c2 = (c2&0x7f) - 0x21;
1937 if (0<=c2 && c2<sizeof_euc_to_utf8_2bytes)
1938 p = x0212_to_utf8_2bytes[c2];
1944 c2 = (c2&0x7f) - 0x21;
1945 if (0<=c2 && c2<sizeof_euc_to_utf8_2bytes)
1947 ms_ucs_map_f == UCS_MAP_ASCII ? euc_to_utf8_2bytes[c2] :
1948 ms_ucs_map_f == UCS_MAP_CP10001 ? euc_to_utf8_2bytes_mac[c2] :
1949 euc_to_utf8_2bytes_ms[c2];
1954 c1 = (c1 & 0x7f) - 0x21;
1955 if (0<=c1 && c1<sizeof_euc_to_utf8_1byte)
1962 w2e_conv(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1)
1969 }else if (0xc0 <= c2 && c2 <= 0xef) {
1970 ret = unicode_to_jis_common(c2, c1, c0, p2, p1);
1971 #ifdef NUMCHAR_OPTION
1974 if (p1) *p1 = nkf_char_unicode_new(nkf_utf8_to_unicode(c2, c1, c0, 0));
1982 #ifdef UTF8_INPUT_ENABLE
1984 w16e_conv(nkf_char val, nkf_char *p2, nkf_char *p1)
1986 nkf_char c1, c2, c3, c4;
1993 else if (nkf_char_unicode_bmp_p(val)){
1994 nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4);
1995 ret = unicode_to_jis_common(c1, c2, c3, p2, p1);
1998 *p1 = nkf_char_unicode_new(val);
2004 *p1 = nkf_char_unicode_new(val);
2011 e_iconv(nkf_char c2, nkf_char c1, nkf_char c0)
2013 if (c2 == JIS_X_0201_1976_K || c2 == SS2){
2014 if (iso2022jp_f && !x0201_f) {
2015 c2 = GETA1; c1 = GETA2;
2017 c2 = JIS_X_0201_1976_K;
2021 }else if (c2 == 0x8f){
2025 if (!cp51932_f && !x0213_f && 0xF5 <= c1 && c1 <= 0xFE && 0xA1 <= c0 && c0 <= 0xFE) {
2026 /* encoding is eucJP-ms, so invert to Unicode Private User Area */
2027 c1 = nkf_char_unicode_new((c1 - 0xF5) * 94 + c0 - 0xA1 + 0xE3AC);
2030 c2 = (c2 << 8) | (c1 & 0x7f);
2032 #ifdef SHIFTJIS_CP932
2035 if (e2s_conv(c2, c1, &s2, &s1) == 0){
2036 s2e_conv(s2, s1, &c2, &c1);
2043 #endif /* SHIFTJIS_CP932 */
2045 #endif /* X0212_ENABLE */
2046 } else if ((c2 == EOF) || (c2 == 0) || c2 < SP || c2 == ISO_8859_1) {
2049 if (!cp51932_f && ms_ucs_map_f && 0xF5 <= c2 && c2 <= 0xFE && 0xA1 <= c1 && c1 <= 0xFE) {
2050 /* encoding is eucJP-ms, so invert to Unicode Private User Area */
2051 c1 = nkf_char_unicode_new((c2 - 0xF5) * 94 + c1 - 0xA1 + 0xE000);
2056 #ifdef SHIFTJIS_CP932
2057 if (cp51932_f && 0x79 <= c2 && c2 <= 0x7c){
2059 if (e2s_conv(c2, c1, &s2, &s1) == 0){
2060 s2e_conv(s2, s1, &c2, &c1);
2067 #endif /* SHIFTJIS_CP932 */
2075 s_iconv(nkf_char c2, nkf_char c1, nkf_char c0)
2077 if (c2 == JIS_X_0201_1976_K || (0xA1 <= c2 && c2 <= 0xDF)) {
2078 if (iso2022jp_f && !x0201_f) {
2079 c2 = GETA1; c1 = GETA2;
2083 } else if ((c2 == EOF) || (c2 == 0) || c2 < SP) {
2085 } else if (!x0213_f && 0xF0 <= c2 && c2 <= 0xF9 && 0x40 <= c1 && c1 <= 0xFC) {
2087 if(c1 == 0x7F) return 0;
2088 c1 = nkf_char_unicode_new((c2 - 0xF0) * 188 + (c1 - 0x40 - (0x7E < c1)) + 0xE000);
2091 nkf_char ret = s2e_conv(c2, c1, &c2, &c1);
2092 if (ret) return ret;
2099 w_iconv(nkf_char c1, nkf_char c2, nkf_char c3)
2101 nkf_char ret = 0, c4 = 0;
2102 static const char w_iconv_utf8_1st_byte[] =
2104 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
2105 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
2106 30, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 32, 33, 33,
2107 40, 41, 41, 41, 42, 43, 43, 43, 50, 50, 50, 50, 60, 60, 70, 70};
2114 if (c1 < 0 || 0xff < c1) {
2115 }else if (c1 == 0) { /* 0 : 1 byte*/
2117 } else if ((c1 & 0xC0) == 0x80) { /* 0x80-0xbf : trail byte */
2120 switch (w_iconv_utf8_1st_byte[c1 - 0xC0]) {
2122 if (c2 < 0x80 || 0xBF < c2) return 0;
2125 if (c3 == 0) return -1;
2126 if (c2 < 0xA0 || 0xBF < c2 || (c3 & 0xC0) != 0x80)
2131 if (c3 == 0) return -1;
2132 if ((c2 & 0xC0) != 0x80 || (c3 & 0xC0) != 0x80)
2136 if (c3 == 0) return -1;
2137 if (c2 < 0x80 || 0x9F < c2 || (c3 & 0xC0) != 0x80)
2141 if (c3 == 0) return -2;
2142 if (c2 < 0x90 || 0xBF < c2 || (c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
2146 if (c3 == 0) return -2;
2147 if (c2 < 0x80 || 0xBF < c2 || (c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
2151 if (c3 == 0) return -2;
2152 if (c2 < 0x80 || 0x8F < c2 || (c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
2160 if (c1 == 0 || c1 == EOF){
2161 } else if ((c1 & 0xf8) == 0xf0) { /* 4 bytes */
2162 c2 = nkf_char_unicode_new(nkf_utf8_to_unicode(c1, c2, c3, c4));
2165 ret = w2e_conv(c1, c2, c3, &c1, &c2);
2173 #define NKF_ICONV_INVALID_CODE_RANGE -13
2175 unicode_iconv(nkf_char wc)
2183 }else if ((wc>>11) == 27) {
2184 /* unpaired surrogate */
2185 return NKF_ICONV_INVALID_CODE_RANGE;
2186 }else if (wc < 0xFFFF) {
2187 ret = w16e_conv(wc, &c2, &c1);
2188 if (ret) return ret;
2189 }else if (wc < 0x10FFFF) {
2191 c1 = nkf_char_unicode_new(wc);
2193 return NKF_ICONV_INVALID_CODE_RANGE;
2199 #define NKF_ICONV_NEED_ONE_MORE_BYTE -1
2200 #define NKF_ICONV_NEED_TWO_MORE_BYTES -2
2201 #define UTF16_TO_UTF32(lead, trail) (((lead) << 10) + (trail) - NKF_INT32_C(0x35FDC00))
2203 nkf_iconv_utf_16(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4)
2212 if (input_endian == ENDIAN_BIG) {
2213 if (0xD8 <= c1 && c1 <= 0xDB) {
2214 if (0xDC <= c3 && c3 <= 0xDF) {
2215 wc = UTF16_TO_UTF32(c1 << 8 | c2, c3 << 8 | c4);
2216 } else return NKF_ICONV_NEED_TWO_MORE_BYTES;
2221 if (0xD8 <= c2 && c2 <= 0xDB) {
2222 if (0xDC <= c4 && c4 <= 0xDF) {
2223 wc = UTF16_TO_UTF32(c2 << 8 | c1, c4 << 8 | c3);
2224 } else return NKF_ICONV_NEED_TWO_MORE_BYTES;
2230 return (*unicode_iconv)(wc);
2234 w_iconv16(nkf_char c2, nkf_char c1, nkf_char c0)
2237 return 16; /* different from w_iconv32 */
2241 w_iconv32(nkf_char c2, nkf_char c1, nkf_char c0)
2244 return 32; /* different from w_iconv16 */
2248 nkf_iconv_utf_32(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4)
2257 switch(input_endian){
2259 wc = c2 << 16 | c3 << 8 | c4;
2262 wc = c3 << 16 | c2 << 8 | c1;
2265 wc = c1 << 16 | c4 << 8 | c3;
2268 wc = c4 << 16 | c1 << 8 | c2;
2271 return NKF_ICONV_INVALID_CODE_RANGE;
2274 return (*unicode_iconv)(wc);
2278 #define output_ascii_escape_sequence(mode) do { \
2279 if (output_mode != ASCII && output_mode != ISO_8859_1) { \
2282 (*o_putc)(ascii_intro); \
2283 output_mode = mode; \
2288 output_escape_sequence(int mode)
2290 if (output_mode == mode)
2298 case JIS_X_0201_1976_K:
2306 (*o_putc)(kanji_intro);
2331 j_oconv(nkf_char c2, nkf_char c1)
2333 #ifdef NUMCHAR_OPTION
2334 if (c2 == 0 && nkf_char_unicode_p(c1)){
2335 w16e_conv(c1, &c2, &c1);
2336 if (c2 == 0 && nkf_char_unicode_p(c1)){
2337 c2 = c1 & VALUE_MASK;
2338 if (ms_ucs_map_f && 0xE000 <= c2 && c2 <= 0xE757) {
2341 c2 = 0x7F + c1 / 94;
2342 c1 = 0x21 + c1 % 94;
2344 if (encode_fallback) (*encode_fallback)(c1);
2351 output_ascii_escape_sequence(ASCII);
2354 else if (c2 == EOF) {
2355 output_ascii_escape_sequence(ASCII);
2358 else if (c2 == ISO_8859_1) {
2359 output_ascii_escape_sequence(ISO_8859_1);
2362 else if (c2 == JIS_X_0201_1976_K) {
2363 output_escape_sequence(JIS_X_0201_1976_K);
2366 } else if (is_eucg3(c2)){
2367 output_escape_sequence(x0213_f ? JIS_X_0213_2 : JIS_X_0212);
2368 (*o_putc)(c2 & 0x7f);
2373 ? c2<0x20 || 0x92<c2 || c1<0x20 || 0x7e<c1
2374 : c2<0x20 || 0x7e<c2 || c1<0x20 || 0x7e<c1) return;
2375 output_escape_sequence(x0213_f ? JIS_X_0213_1 : JIS_X_0208);
2382 e_oconv(nkf_char c2, nkf_char c1)
2384 if (c2 == 0 && nkf_char_unicode_p(c1)){
2385 w16e_conv(c1, &c2, &c1);
2386 if (c2 == 0 && nkf_char_unicode_p(c1)){
2387 c2 = c1 & VALUE_MASK;
2388 if (x0212_f && 0xE000 <= c2 && c2 <= 0xE757) {
2392 c2 += c2 < 10 ? 0x75 : 0x8FEB;
2393 c1 = 0x21 + c1 % 94;
2396 (*o_putc)((c2 & 0x7f) | 0x080);
2397 (*o_putc)(c1 | 0x080);
2399 (*o_putc)((c2 & 0x7f) | 0x080);
2400 (*o_putc)(c1 | 0x080);
2404 if (encode_fallback) (*encode_fallback)(c1);
2412 } else if (c2 == 0) {
2413 output_mode = ASCII;
2415 } else if (c2 == JIS_X_0201_1976_K) {
2416 output_mode = EUC_JP;
2417 (*o_putc)(SS2); (*o_putc)(c1|0x80);
2418 } else if (c2 == ISO_8859_1) {
2419 output_mode = ISO_8859_1;
2420 (*o_putc)(c1 | 0x080);
2422 } else if (is_eucg3(c2)){
2423 output_mode = EUC_JP;
2424 #ifdef SHIFTJIS_CP932
2427 if (e2s_conv(c2, c1, &s2, &s1) == 0){
2428 s2e_conv(s2, s1, &c2, &c1);
2433 output_mode = ASCII;
2435 }else if (is_eucg3(c2)){
2438 (*o_putc)((c2 & 0x7f) | 0x080);
2439 (*o_putc)(c1 | 0x080);
2442 (*o_putc)((c2 & 0x7f) | 0x080);
2443 (*o_putc)(c1 | 0x080);
2447 if (!nkf_isgraph(c1) || !nkf_isgraph(c2)) {
2448 set_iconv(FALSE, 0);
2449 return; /* too late to rescue this char */
2451 output_mode = EUC_JP;
2452 (*o_putc)(c2 | 0x080);
2453 (*o_putc)(c1 | 0x080);
2458 s_oconv(nkf_char c2, nkf_char c1)
2460 #ifdef NUMCHAR_OPTION
2461 if (c2 == 0 && nkf_char_unicode_p(c1)){
2462 w16e_conv(c1, &c2, &c1);
2463 if (c2 == 0 && nkf_char_unicode_p(c1)){
2464 c2 = c1 & VALUE_MASK;
2465 if (!x0213_f && 0xE000 <= c2 && c2 <= 0xE757) {
2468 c2 = c1 / 188 + (cp932inv_f ? 0xF0 : 0xEB);
2470 c1 += 0x40 + (c1 > 0x3e);
2475 if(encode_fallback)(*encode_fallback)(c1);
2484 } else if (c2 == 0) {
2485 output_mode = ASCII;
2487 } else if (c2 == JIS_X_0201_1976_K) {
2488 output_mode = SHIFT_JIS;
2490 } else if (c2 == ISO_8859_1) {
2491 output_mode = ISO_8859_1;
2492 (*o_putc)(c1 | 0x080);
2494 } else if (is_eucg3(c2)){
2495 output_mode = SHIFT_JIS;
2496 if (e2s_conv(c2, c1, &c2, &c1) == 0){
2502 if (!nkf_isprint(c1) || !nkf_isprint(c2)) {
2503 set_iconv(FALSE, 0);
2504 return; /* too late to rescue this char */
2506 output_mode = SHIFT_JIS;
2507 e2s_conv(c2, c1, &c2, &c1);
2509 #ifdef SHIFTJIS_CP932
2511 && CP932INV_TABLE_BEGIN <= c2 && c2 <= CP932INV_TABLE_END){
2512 nkf_char c = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40];
2518 #endif /* SHIFTJIS_CP932 */
2521 if (prefix_table[(unsigned char)c1]){
2522 (*o_putc)(prefix_table[(unsigned char)c1]);
2528 #ifdef UTF8_OUTPUT_ENABLE
2530 w_oconv(nkf_char c2, nkf_char c1)
2536 output_bom_f = FALSE;
2547 if (c2 == 0 && nkf_char_unicode_p(c1)){
2548 val = c1 & VALUE_MASK;
2549 nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4);
2551 if (c2) (*o_putc)(c2);
2552 if (c3) (*o_putc)(c3);
2553 if (c4) (*o_putc)(c4);
2560 val = e2w_conv(c2, c1);
2562 nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4);
2564 if (c2) (*o_putc)(c2);
2565 if (c3) (*o_putc)(c3);
2566 if (c4) (*o_putc)(c4);
2572 w_oconv16(nkf_char c2, nkf_char c1)
2575 output_bom_f = FALSE;
2576 if (output_endian == ENDIAN_LITTLE){
2590 if (c2 == 0 && nkf_char_unicode_p(c1)) {
2591 if (nkf_char_unicode_bmp_p(c1)) {
2592 c2 = (c1 >> 8) & 0xff;
2596 if (c1 <= UNICODE_MAX) {
2597 c2 = (c1 >> 10) + NKF_INT32_C(0xD7C0); /* high surrogate */
2598 c1 = (c1 & 0x3FF) + NKF_INT32_C(0xDC00); /* low surrogate */
2599 if (output_endian == ENDIAN_LITTLE){
2600 (*o_putc)(c2 & 0xff);
2601 (*o_putc)((c2 >> 8) & 0xff);
2602 (*o_putc)(c1 & 0xff);
2603 (*o_putc)((c1 >> 8) & 0xff);
2605 (*o_putc)((c2 >> 8) & 0xff);
2606 (*o_putc)(c2 & 0xff);
2607 (*o_putc)((c1 >> 8) & 0xff);
2608 (*o_putc)(c1 & 0xff);
2614 nkf_char val = e2w_conv(c2, c1);
2615 c2 = (val >> 8) & 0xff;
2620 if (output_endian == ENDIAN_LITTLE){
2630 w_oconv32(nkf_char c2, nkf_char c1)
2633 output_bom_f = FALSE;
2634 if (output_endian == ENDIAN_LITTLE){
2652 if (c2 == ISO_8859_1) {
2654 } else if (c2 == 0 && nkf_char_unicode_p(c1)) {
2657 c1 = e2w_conv(c2, c1);
2660 if (output_endian == ENDIAN_LITTLE){
2661 (*o_putc)( c1 & 0xFF);
2662 (*o_putc)((c1 >> 8) & 0xFF);
2663 (*o_putc)((c1 >> 16) & 0xFF);
2667 (*o_putc)((c1 >> 16) & 0xFF);
2668 (*o_putc)((c1 >> 8) & 0xFF);
2669 (*o_putc)( c1 & 0xFF);
2674 #define SCORE_L2 (1) /* Kanji Level 2 */
2675 #define SCORE_KANA (SCORE_L2 << 1) /* Halfwidth Katakana */
2676 #define SCORE_DEPEND (SCORE_KANA << 1) /* MD Characters */
2677 #define SCORE_CP932 (SCORE_DEPEND << 1) /* IBM extended characters */
2678 #define SCORE_X0212 (SCORE_CP932 << 1) /* JIS X 0212 */
2679 #define SCORE_NO_EXIST (SCORE_X0212 << 1) /* Undefined Characters */
2680 #define SCORE_iMIME (SCORE_NO_EXIST << 1) /* MIME selected */
2681 #define SCORE_ERROR (SCORE_iMIME << 1) /* Error */
2683 #define SCORE_INIT (SCORE_iMIME)
2685 static const nkf_char score_table_A0[] = {
2688 0, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND,
2689 SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_NO_EXIST,
2692 static const nkf_char score_table_F0[] = {
2693 SCORE_L2, SCORE_L2, SCORE_L2, SCORE_L2,
2694 SCORE_L2, SCORE_DEPEND, SCORE_NO_EXIST, SCORE_NO_EXIST,
2695 SCORE_DEPEND, SCORE_DEPEND, SCORE_CP932, SCORE_CP932,
2696 SCORE_CP932, SCORE_NO_EXIST, SCORE_NO_EXIST, SCORE_ERROR,
2700 set_code_score(struct input_code *ptr, nkf_char score)
2703 ptr->score |= score;
2708 clr_code_score(struct input_code *ptr, nkf_char score)
2711 ptr->score &= ~score;
2716 code_score(struct input_code *ptr)
2718 nkf_char c2 = ptr->buf[0];
2719 #ifdef UTF8_OUTPUT_ENABLE
2720 nkf_char c1 = ptr->buf[1];
2723 set_code_score(ptr, SCORE_ERROR);
2724 }else if (c2 == SS2){
2725 set_code_score(ptr, SCORE_KANA);
2726 }else if (c2 == 0x8f){
2727 set_code_score(ptr, SCORE_X0212);
2728 #ifdef UTF8_OUTPUT_ENABLE
2729 }else if (!e2w_conv(c2, c1)){
2730 set_code_score(ptr, SCORE_NO_EXIST);
2732 }else if ((c2 & 0x70) == 0x20){
2733 set_code_score(ptr, score_table_A0[c2 & 0x0f]);
2734 }else if ((c2 & 0x70) == 0x70){
2735 set_code_score(ptr, score_table_F0[c2 & 0x0f]);
2736 }else if ((c2 & 0x70) >= 0x50){
2737 set_code_score(ptr, SCORE_L2);
2742 status_disable(struct input_code *ptr)
2747 if (iconv == ptr->iconv_func) set_iconv(FALSE, 0);
2751 status_push_ch(struct input_code *ptr, nkf_char c)
2753 ptr->buf[ptr->index++] = c;
2757 status_clear(struct input_code *ptr)
2764 status_reset(struct input_code *ptr)
2767 ptr->score = SCORE_INIT;
2771 status_reinit(struct input_code *ptr)
2774 ptr->_file_stat = 0;
2778 status_check(struct input_code *ptr, nkf_char c)
2780 if (c <= DEL && estab_f){
2786 s_status(struct input_code *ptr, nkf_char c)
2790 status_check(ptr, c);
2795 }else if (nkf_char_unicode_p(c)){
2797 }else if (0xa1 <= c && c <= 0xdf){
2798 status_push_ch(ptr, SS2);
2799 status_push_ch(ptr, c);
2802 }else if ((0x81 <= c && c < 0xa0) || (0xe0 <= c && c <= 0xea)){
2804 status_push_ch(ptr, c);
2805 }else if (0xed <= c && c <= 0xee){
2807 status_push_ch(ptr, c);
2808 #ifdef SHIFTJIS_CP932
2809 }else if (is_ibmext_in_sjis(c)){
2811 status_push_ch(ptr, c);
2812 #endif /* SHIFTJIS_CP932 */
2814 }else if (0xf0 <= c && c <= 0xfc){
2816 status_push_ch(ptr, c);
2817 #endif /* X0212_ENABLE */
2819 status_disable(ptr);
2823 if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){
2824 status_push_ch(ptr, c);
2825 s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]);
2829 status_disable(ptr);
2833 #ifdef SHIFTJIS_CP932
2834 if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)) {
2835 status_push_ch(ptr, c);
2836 if (s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]) == 0) {
2837 set_code_score(ptr, SCORE_CP932);
2842 #endif /* SHIFTJIS_CP932 */
2843 status_disable(ptr);
2846 if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){
2847 status_push_ch(ptr, c);
2848 s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]);
2849 set_code_score(ptr, SCORE_CP932);
2852 status_disable(ptr);
2859 e_status(struct input_code *ptr, nkf_char c)
2863 status_check(ptr, c);
2868 }else if (nkf_char_unicode_p(c)){
2870 }else if (SS2 == c || (0xa1 <= c && c <= 0xfe)){
2872 status_push_ch(ptr, c);
2874 }else if (0x8f == c){
2876 status_push_ch(ptr, c);
2877 #endif /* X0212_ENABLE */
2879 status_disable(ptr);
2883 if (0xa1 <= c && c <= 0xfe){
2884 status_push_ch(ptr, c);
2888 status_disable(ptr);
2893 if (0xa1 <= c && c <= 0xfe){
2895 status_push_ch(ptr, c);
2897 status_disable(ptr);
2899 #endif /* X0212_ENABLE */
2903 #ifdef UTF8_INPUT_ENABLE
2905 w_status(struct input_code *ptr, nkf_char c)
2909 status_check(ptr, c);
2914 }else if (nkf_char_unicode_p(c)){
2916 }else if (0xc0 <= c && c <= 0xdf){
2918 status_push_ch(ptr, c);
2919 }else if (0xe0 <= c && c <= 0xef){
2921 status_push_ch(ptr, c);
2922 }else if (0xf0 <= c && c <= 0xf4){
2924 status_push_ch(ptr, c);
2926 status_disable(ptr);
2931 if (0x80 <= c && c <= 0xbf){
2932 status_push_ch(ptr, c);
2933 if (ptr->index > ptr->stat){
2934 int bom = (ptr->buf[0] == 0xef && ptr->buf[1] == 0xbb
2935 && ptr->buf[2] == 0xbf);
2936 w2e_conv(ptr->buf[0], ptr->buf[1], ptr->buf[2],
2937 &ptr->buf[0], &ptr->buf[1]);
2944 status_disable(ptr);
2948 if (0x80 <= c && c <= 0xbf){
2949 if (ptr->index < ptr->stat){
2950 status_push_ch(ptr, c);
2955 status_disable(ptr);
2963 code_status(nkf_char c)
2965 int action_flag = 1;
2966 struct input_code *result = 0;
2967 struct input_code *p = input_code_list;
2969 if (!p->status_func) {
2973 if (!p->status_func)
2975 (p->status_func)(p, c);
2978 }else if(p->stat == 0){
2989 if (result && !estab_f){
2990 set_iconv(TRUE, result->iconv_func);
2991 }else if (c <= DEL){
2992 struct input_code *ptr = input_code_list;
3002 nkf_buf_t *std_gc_buf;
3003 nkf_char broken_state;
3004 nkf_buf_t *broken_buf;
3005 nkf_char mimeout_state;
3009 static nkf_state_t *nkf_state = NULL;
3011 #define STD_GC_BUFSIZE (256)
3014 nkf_state_init(void)
3017 nkf_buf_clear(nkf_state->std_gc_buf);
3018 nkf_buf_clear(nkf_state->broken_buf);
3019 nkf_buf_clear(nkf_state->nfc_buf);
3022 nkf_state = nkf_xmalloc(sizeof(nkf_state_t));
3023 nkf_state->std_gc_buf = nkf_buf_new(STD_GC_BUFSIZE);
3024 nkf_state->broken_buf = nkf_buf_new(3);
3025 nkf_state->nfc_buf = nkf_buf_new(9);
3027 nkf_state->broken_state = 0;
3028 nkf_state->mimeout_state = 0;
3035 if (!nkf_buf_empty_p(nkf_state->std_gc_buf)){
3036 return nkf_buf_pop(nkf_state->std_gc_buf);
3043 std_ungetc(nkf_char c, FILE *f)
3045 nkf_buf_push(nkf_state->std_gc_buf, c);
3051 std_putc(nkf_char c)
3058 static unsigned char hold_buf[HOLD_SIZE*2];
3059 static int hold_count = 0;
3061 push_hold_buf(nkf_char c2)
3063 if (hold_count >= HOLD_SIZE*2)
3065 hold_buf[hold_count++] = (unsigned char)c2;
3066 return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count);
3070 h_conv(FILE *f, nkf_char c1, nkf_char c2)
3076 /** it must NOT be in the kanji shifte sequence */
3077 /** it must NOT be written in JIS7 */
3078 /** and it must be after 2 byte 8bit code */
3084 while ((c2 = (*i_getc)(f)) != EOF) {
3090 if (push_hold_buf(c2) == EOF || estab_f) {
3096 struct input_code *p = input_code_list;
3097 struct input_code *result = p;
3102 if (p->status_func && p->score < result->score) {
3107 set_iconv(TRUE, result->iconv_func);
3112 ** 1) EOF is detected, or
3113 ** 2) Code is established, or
3114 ** 3) Buffer is FULL (but last word is pushed)
3116 ** in 1) and 3) cases, we continue to use
3117 ** Kanji codes by oconv and leave estab_f unchanged.
3122 while (hold_index < hold_count){
3123 c1 = hold_buf[hold_index++];
3127 }else if (iconv == s_iconv && 0xa1 <= c1 && c1 <= 0xdf){
3128 (*iconv)(JIS_X_0201_1976_K, c1, 0);
3131 if (hold_index < hold_count){
3132 c2 = hold_buf[hold_index++];
3142 switch ((*iconv)(c1, c2, 0)) { /* can be EUC/SJIS/UTF-8 */
3145 if (hold_index < hold_count){
3146 c3 = hold_buf[hold_index++];
3147 } else if ((c3 = (*i_getc)(f)) == EOF) {
3152 if (hold_index < hold_count){
3153 c4 = hold_buf[hold_index++];
3154 } else if ((c4 = (*i_getc)(f)) == EOF) {
3159 (*iconv)(c1, c2, (c3<<8)|c4);
3162 /* 3 bytes EUC or UTF-8 */
3163 if (hold_index < hold_count){
3164 c3 = hold_buf[hold_index++];
3165 } else if ((c3 = (*i_getc)(f)) == EOF) {
3171 (*iconv)(c1, c2, c3);
3174 if (c3 == EOF) break;
3180 * Check and Ignore BOM
3186 switch(c2 = (*i_getc)(f)){
3188 if((c2 = (*i_getc)(f)) == 0x00){
3189 if((c2 = (*i_getc)(f)) == 0xFE){
3190 if((c2 = (*i_getc)(f)) == 0xFF){
3191 if(!input_encoding){
3192 set_iconv(TRUE, w_iconv32);
3194 if (iconv == w_iconv32) {
3195 input_endian = ENDIAN_BIG;
3198 (*i_ungetc)(0xFF,f);
3199 }else (*i_ungetc)(c2,f);
3200 (*i_ungetc)(0xFE,f);
3201 }else if(c2 == 0xFF){
3202 if((c2 = (*i_getc)(f)) == 0xFE){
3203 if(!input_encoding){
3204 set_iconv(TRUE, w_iconv32);
3206 if (iconv == w_iconv32) {
3207 input_endian = ENDIAN_2143;
3210 (*i_ungetc)(0xFF,f);
3211 }else (*i_ungetc)(c2,f);
3212 (*i_ungetc)(0xFF,f);
3213 }else (*i_ungetc)(c2,f);
3214 (*i_ungetc)(0x00,f);
3215 }else (*i_ungetc)(c2,f);
3216 (*i_ungetc)(0x00,f);
3219 if((c2 = (*i_getc)(f)) == 0xBB){
3220 if((c2 = (*i_getc)(f)) == 0xBF){
3221 if(!input_encoding){
3222 set_iconv(TRUE, w_iconv);
3224 if (iconv == w_iconv) {
3227 (*i_ungetc)(0xBF,f);
3228 }else (*i_ungetc)(c2,f);
3229 (*i_ungetc)(0xBB,f);
3230 }else (*i_ungetc)(c2,f);
3231 (*i_ungetc)(0xEF,f);
3234 if((c2 = (*i_getc)(f)) == 0xFF){
3235 if((c2 = (*i_getc)(f)) == 0x00){
3236 if((c2 = (*i_getc)(f)) == 0x00){
3237 if(!input_encoding){
3238 set_iconv(TRUE, w_iconv32);
3240 if (iconv == w_iconv32) {
3241 input_endian = ENDIAN_3412;
3244 (*i_ungetc)(0x00,f);
3245 }else (*i_ungetc)(c2,f);
3246 (*i_ungetc)(0x00,f);
3247 }else (*i_ungetc)(c2,f);
3248 if(!input_encoding){
3249 set_iconv(TRUE, w_iconv16);
3251 if (iconv == w_iconv16) {
3252 input_endian = ENDIAN_BIG;
3255 (*i_ungetc)(0xFF,f);
3256 }else (*i_ungetc)(c2,f);
3257 (*i_ungetc)(0xFE,f);
3260 if((c2 = (*i_getc)(f)) == 0xFE){
3261 if((c2 = (*i_getc)(f)) == 0x00){
3262 if((c2 = (*i_getc)(f)) == 0x00){
3263 if(!input_encoding){
3264 set_iconv(TRUE, w_iconv32);
3266 if (iconv == w_iconv32) {
3267 input_endian = ENDIAN_LITTLE;
3270 (*i_ungetc)(0x00,f);
3271 }else (*i_ungetc)(c2,f);
3272 (*i_ungetc)(0x00,f);
3273 }else (*i_ungetc)(c2,f);
3274 if(!input_encoding){
3275 set_iconv(TRUE, w_iconv16);
3277 if (iconv == w_iconv16) {
3278 input_endian = ENDIAN_LITTLE;
3281 (*i_ungetc)(0xFE,f);
3282 }else (*i_ungetc)(c2,f);
3283 (*i_ungetc)(0xFF,f);
3292 broken_getc(FILE *f)
3296 if (!nkf_buf_empty_p(nkf_state->broken_buf)) {
3297 return nkf_buf_pop(nkf_state->broken_buf);
3300 if (c=='$' && nkf_state->broken_state != ESC
3301 && (input_mode == ASCII || input_mode == JIS_X_0201_1976_K)) {
3303 nkf_state->broken_state = 0;
3304 if (c1=='@'|| c1=='B') {
3305 nkf_buf_push(nkf_state->broken_buf, c1);
3306 nkf_buf_push(nkf_state->broken_buf, c);
3312 } else if (c=='(' && nkf_state->broken_state != ESC
3313 && (input_mode == JIS_X_0208 || input_mode == JIS_X_0201_1976_K)) {
3315 nkf_state->broken_state = 0;
3316 if (c1=='J'|| c1=='B') {
3317 nkf_buf_push(nkf_state->broken_buf, c1);
3318 nkf_buf_push(nkf_state->broken_buf, c);
3325 nkf_state->broken_state = c;
3331 broken_ungetc(nkf_char c, FILE *f)
3333 if (nkf_buf_length(nkf_state->broken_buf) < 2)
3334 nkf_buf_push(nkf_state->broken_buf, c);
3339 eol_conv(nkf_char c2, nkf_char c1)
3341 if (guess_f && input_eol != EOF) {
3342 if (c2 == 0 && c1 == LF) {
3343 if (!input_eol) input_eol = prev_cr ? CRLF : LF;
3344 else if (input_eol != (prev_cr ? CRLF : LF)) input_eol = EOF;
3345 } else if (c2 == 0 && c1 == CR && input_eol == LF) input_eol = EOF;
3347 else if (!input_eol) input_eol = CR;
3348 else if (input_eol != CR) input_eol = EOF;
3350 if (prev_cr || (c2 == 0 && c1 == LF)) {
3352 if (eolmode_f != LF) (*o_eol_conv)(0, CR);
3353 if (eolmode_f != CR) (*o_eol_conv)(0, LF);
3355 if (c2 == 0 && c1 == CR) prev_cr = CR;
3356 else if (c2 != 0 || c1 != LF) (*o_eol_conv)(c2, c1);
3360 Return value of fold_conv()
3362 LF add newline and output char
3363 CR add newline and output nothing
3366 1 (or else) normal output
3368 fold state in prev (previous character)
3370 >0x80 Japanese (X0208/X0201)
3375 This fold algorthm does not preserve heading space in a line.
3376 This is the main difference from fmt.
3379 #define char_size(c2,c1) (c2?2:1)
3382 fold_conv(nkf_char c2, nkf_char c1)
3385 nkf_char fold_state;
3387 if (c1== CR && !fold_preserve_f) {
3388 fold_state=0; /* ignore cr */
3389 }else if (c1== LF&&f_prev==CR && fold_preserve_f) {
3391 fold_state=0; /* ignore cr */
3392 } else if (c1== BS) {
3393 if (f_line>0) f_line--;
3395 } else if (c2==EOF && f_line != 0) { /* close open last line */
3397 } else if ((c1==LF && !fold_preserve_f)
3398 || ((c1==CR||(c1==LF&&f_prev!=CR))
3399 && fold_preserve_f)) {
3401 if (fold_preserve_f) {
3405 } else if ((f_prev == c1 && !fold_preserve_f)
3406 || (f_prev == LF && fold_preserve_f)
3407 ) { /* duplicate newline */
3410 fold_state = LF; /* output two newline */
3416 if (f_prev&0x80) { /* Japanese? */
3418 fold_state = 0; /* ignore given single newline */
3419 } else if (f_prev==SP) {
3423 if (++f_line<=fold_len)
3427 fold_state = CR; /* fold and output nothing */
3431 } else if (c1=='\f') {
3434 fold_state = LF; /* output newline and clear */
3435 } else if ((c2==0 && nkf_isblank(c1)) || (c2 == '!' && c1 == '!')) {
3436 /* X0208 kankaku or ascii space */
3438 fold_state = 0; /* remove duplicate spaces */
3441 if (++f_line<=fold_len)
3442 fold_state = SP; /* output ASCII space only */
3444 f_prev = SP; f_line = 0;
3445 fold_state = CR; /* fold and output nothing */
3449 prev0 = f_prev; /* we still need this one... , but almost done */
3451 if (c2 || c2 == JIS_X_0201_1976_K)
3452 f_prev |= 0x80; /* this is Japanese */
3453 f_line += char_size(c2,c1);
3454 if (f_line<=fold_len) { /* normal case */
3457 if (f_line>fold_len+fold_margin) { /* too many kinsoku suspension */
3458 f_line = char_size(c2,c1);
3459 fold_state = LF; /* We can't wait, do fold now */
3460 } else if (c2 == JIS_X_0201_1976_K) {
3461 /* simple kinsoku rules return 1 means no folding */
3462 if (c1==(0xde&0x7f)) fold_state = 1; /*
\e$B!+
\e(B*/
3463 else if (c1==(0xdf&0x7f)) fold_state = 1; /*
\e$B!,
\e(B*/
3464 else if (c1==(0xa4&0x7f)) fold_state = 1; /*
\e$B!#
\e(B*/
3465 else if (c1==(0xa3&0x7f)) fold_state = 1; /*
\e$B!$
\e(B*/
3466 else if (c1==(0xa1&0x7f)) fold_state = 1; /*
\e$B!W
\e(B*/
3467 else if (c1==(0xb0&0x7f)) fold_state = 1; /* - */
3468 else if (SP<=c1 && c1<=(0xdf&0x7f)) { /* X0201 */
3470 fold_state = LF;/* add one new f_line before this character */
3473 fold_state = LF;/* add one new f_line before this character */
3476 /* kinsoku point in ASCII */
3477 if ( c1==')'|| /* { [ ( */
3488 /* just after special */
3489 } else if (!is_alnum(prev0)) {
3490 f_line = char_size(c2,c1);
3492 } else if ((prev0==SP) || /* ignored new f_line */
3493 (prev0==LF)|| /* ignored new f_line */
3494 (prev0&0x80)) { /* X0208 - ASCII */
3495 f_line = char_size(c2,c1);
3496 fold_state = LF;/* add one new f_line before this character */
3498 fold_state = 1; /* default no fold in ASCII */
3502 if (c1=='"') fold_state = 1; /*
\e$B!"
\e(B */
3503 else if (c1=='#') fold_state = 1; /*
\e$B!#
\e(B */
3504 else if (c1=='W') fold_state = 1; /*
\e$B!W
\e(B */
3505 else if (c1=='K') fold_state = 1; /*
\e$B!K
\e(B */
3506 else if (c1=='$') fold_state = 1; /*
\e$B!$
\e(B */
3507 else if (c1=='%') fold_state = 1; /*
\e$B!%
\e(B */
3508 else if (c1=='\'') fold_state = 1; /*
\e$B!\
\e(B */
3509 else if (c1=='(') fold_state = 1; /*
\e$B!(
\e(B */
3510 else if (c1==')') fold_state = 1; /*
\e$B!)
\e(B */
3511 else if (c1=='*') fold_state = 1; /*
\e$B!*
\e(B */
3512 else if (c1=='+') fold_state = 1; /*
\e$B!+
\e(B */
3513 else if (c1==',') fold_state = 1; /*
\e$B!,
\e(B */
3514 /* default no fold in kinsoku */
3517 f_line = char_size(c2,c1);
3518 /* add one new f_line before this character */
3521 f_line = char_size(c2,c1);
3523 /* add one new f_line before this character */
3528 /* terminator process */
3529 switch(fold_state) {
3531 OCONV_NEWLINE((*o_fconv));
3537 OCONV_NEWLINE((*o_fconv));
3548 static nkf_char z_prev2=0,z_prev1=0;
3551 z_conv(nkf_char c2, nkf_char c1)
3554 /* if (c2) c1 &= 0x7f; assertion */
3556 if (c2 == JIS_X_0201_1976_K && (c1 == 0x20 || c1 == 0x7D || c1 == 0x7E)) {
3562 if (z_prev2 == JIS_X_0201_1976_K) {
3563 if (c2 == JIS_X_0201_1976_K) {
3564 if (c1 == (0xde&0x7f)) { /*
\e$BByE@
\e(B */
3566 (*o_zconv)(dv[(z_prev1-SP)*2], dv[(z_prev1-SP)*2+1]);
3568 } else if (c1 == (0xdf&0x7f) && ev[(z_prev1-SP)*2]) { /*
\e$BH>ByE@
\e(B */
3570 (*o_zconv)(ev[(z_prev1-SP)*2], ev[(z_prev1-SP)*2+1]);
3575 (*o_zconv)(cv[(z_prev1-SP)*2], cv[(z_prev1-SP)*2+1]);
3577 if (c2 == JIS_X_0201_1976_K) {
3578 if (dv[(c1-SP)*2] || ev[(c1-SP)*2]) {
3579 /* wait for
\e$BByE@
\e(B or
\e$BH>ByE@
\e(B */
3584 (*o_zconv)(cv[(c1-SP)*2], cv[(c1-SP)*2+1]);
3595 if (alpha_f&1 && c2 == 0x23) {
3596 /* JISX0208 Alphabet */
3598 } else if (c2 == 0x21) {
3599 /* JISX0208 Kigou */
3604 } else if (alpha_f&4) {
3609 } else if (alpha_f&1 && 0x20<c1 && c1<0x7f && fv[c1-0x20]) {
3615 if (alpha_f&8 && c2 == 0) {
3617 const char *entity = 0;
3619 case '>': entity = ">"; break;
3620 case '<': entity = "<"; break;
3621 case '\"': entity = """; break;
3622 case '&': entity = "&"; break;
3625 while (*entity) (*o_zconv)(0, *entity++);
3631 /* JIS X 0208 Katakana to JIS X 0201 Katakana */
3636 /* U+3002 (0x8142) Ideographic Full Stop -> U+FF61 (0xA1) Halfwidth Ideographic Full Stop */
3640 /* U+300C (0x8175) Left Corner Bracket -> U+FF62 (0xA2) Halfwidth Left Corner Bracket */
3644 /* U+300D (0x8176) Right Corner Bracket -> U+FF63 (0xA3) Halfwidth Right Corner Bracket */
3648 /* U+3001 (0x8141) Ideographic Comma -> U+FF64 (0xA4) Halfwidth Ideographic Comma */
3652 /* U+30FB (0x8145) Katakana Middle Dot -> U+FF65 (0xA5) Halfwidth Katakana Middle Dot */
3656 /* U+30FC (0x815B) Katakana-Hiragana Prolonged Sound Mark -> U+FF70 (0xB0) Halfwidth Katakana-Hiragana Prolonged Sound Mark */
3660 /* U+309B (0x814A) Katakana-Hiragana Voiced Sound Mark -> U+FF9E (0xDE) Halfwidth Katakana Voiced Sound Mark */
3664 /* U+309C (0x814B) Katakana-Hiragana Semi-Voiced Sound Mark -> U+FF9F (0xDF) Halfwidth Katakana Semi-Voiced Sound Mark */
3669 (*o_zconv)(JIS_X_0201_1976_K, c);
3672 } else if (c2 == 0x25) {
3673 /* JISX0208 Katakana */
3674 static const int fullwidth_to_halfwidth[] =
3676 0x0000, 0x2700, 0x3100, 0x2800, 0x3200, 0x2900, 0x3300, 0x2A00,
3677 0x3400, 0x2B00, 0x3500, 0x3600, 0x365E, 0x3700, 0x375E, 0x3800,
3678 0x385E, 0x3900, 0x395E, 0x3A00, 0x3A5E, 0x3B00, 0x3B5E, 0x3C00,
3679 0x3C5E, 0x3D00, 0x3D5E, 0x3E00, 0x3E5E, 0x3F00, 0x3F5E, 0x4000,
3680 0x405E, 0x4100, 0x415E, 0x2F00, 0x4200, 0x425E, 0x4300, 0x435E,
3681 0x4400, 0x445E, 0x4500, 0x4600, 0x4700, 0x4800, 0x4900, 0x4A00,
3682 0x4A5E, 0x4A5F, 0x4B00, 0x4B5E, 0x4B5F, 0x4C00, 0x4C5E, 0x4C5F,
3683 0x4D00, 0x4D5E, 0x4D5F, 0x4E00, 0x4E5E, 0x4E5F, 0x4F00, 0x5000,
3684 0x5100, 0x5200, 0x5300, 0x2C00, 0x5400, 0x2D00, 0x5500, 0x2E00,
3685 0x5600, 0x5700, 0x5800, 0x5900, 0x5A00, 0x5B00, 0x0000, 0x5C00,
3686 0x0000, 0x0000, 0x2600, 0x5D00, 0x335E, 0x0000, 0x0000, 0x0000,
3687 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
3689 if (fullwidth_to_halfwidth[c1-0x20]){
3690 c2 = fullwidth_to_halfwidth[c1-0x20];
3691 (*o_zconv)(JIS_X_0201_1976_K, c2>>8);
3693 (*o_zconv)(JIS_X_0201_1976_K, c2&0xFF);
3703 #define rot13(c) ( \
3705 (c <= 'M') ? (c + 13): \
3706 (c <= 'Z') ? (c - 13): \
3708 (c <= 'm') ? (c + 13): \
3709 (c <= 'z') ? (c - 13): \
3713 #define rot47(c) ( \
3715 ( c <= 'O') ? (c + 47) : \
3716 ( c <= '~') ? (c - 47) : \
3721 rot_conv(nkf_char c2, nkf_char c1)
3723 if (c2 == 0 || c2 == JIS_X_0201_1976_K || c2 == ISO_8859_1) {
3729 (*o_rot_conv)(c2,c1);
3733 hira_conv(nkf_char c2, nkf_char c1)
3737 if (0x20 < c1 && c1 < 0x74) {
3739 (*o_hira_conv)(c2,c1);
3741 } else if (c1 == 0x74 && nkf_enc_unicode_p(output_encoding)) {
3743 c1 = nkf_char_unicode_new(0x3094);
3744 (*o_hira_conv)(c2,c1);
3747 } else if (c2 == 0x21 && (c1 == 0x33 || c1 == 0x34)) {
3749 (*o_hira_conv)(c2,c1);
3754 if (c2 == 0 && c1 == nkf_char_unicode_new(0x3094)) {
3757 } else if (c2 == 0x24 && 0x20 < c1 && c1 < 0x74) {
3759 } else if (c2 == 0x21 && (c1 == 0x35 || c1 == 0x36)) {
3763 (*o_hira_conv)(c2,c1);
3768 iso2022jp_check_conv(nkf_char c2, nkf_char c1)
3770 #define RANGE_NUM_MAX 18
3771 static const nkf_char range[RANGE_NUM_MAX][2] = {
3792 nkf_char start, end, c;
3794 if(c2 >= 0x00 && c2 <= 0x20 && c1 >= 0x7f && c1 <= 0xff) {
3798 if((c2 >= 0x29 && c2 <= 0x2f) || (c2 >= 0x75 && c2 <= 0x7e)) {
3803 for (i = 0; i < RANGE_NUM_MAX; i++) {
3804 start = range[i][0];
3807 if (c >= start && c <= end) {
3812 (*o_iso2022jp_check_conv)(c2,c1);
3816 /* This converts =?ISO-2022-JP?B?HOGE HOGE?= */
3818 static const unsigned char *mime_pattern[] = {
3819 (const unsigned char *)"\075?EUC-JP?B?",
3820 (const unsigned char *)"\075?SHIFT_JIS?B?",
3821 (const unsigned char *)"\075?ISO-8859-1?Q?",
3822 (const unsigned char *)"\075?ISO-8859-1?B?",
3823 (const unsigned char *)"\075?ISO-2022-JP?B?",
3824 (const unsigned char *)"\075?ISO-2022-JP?B?",
3825 (const unsigned char *)"\075?ISO-2022-JP?Q?",
3826 #if defined(UTF8_INPUT_ENABLE)
3827 (const unsigned char *)"\075?UTF-8?B?",
3828 (const unsigned char *)"\075?UTF-8?Q?",
3830 (const unsigned char *)"\075?US-ASCII?Q?",
3835 /*
\e$B3:Ev$9$k%3!<%I$NM%@hEY$r>e$2$k$?$a$NL\0u
\e(B */
3836 nkf_char (*mime_priority_func[])(nkf_char c2, nkf_char c1, nkf_char c0) = {
3837 e_iconv, s_iconv, 0, 0, 0, 0,
3838 #if defined(UTF8_INPUT_ENABLE)
3844 static const nkf_char mime_encode[] = {
3845 EUC_JP, SHIFT_JIS, ISO_8859_1, ISO_8859_1, JIS_X_0208, JIS_X_0201_1976_K, JIS_X_0201_1976_K,
3846 #if defined(UTF8_INPUT_ENABLE)
3853 static const nkf_char mime_encode_method[] = {
3854 'B', 'B','Q', 'B', 'B', 'B', 'Q',
3855 #if defined(UTF8_INPUT_ENABLE)
3863 /* MIME preprocessor fifo */
3865 #define MIME_BUF_SIZE (1024) /* 2^n ring buffer */
3866 #define MIME_BUF_MASK (MIME_BUF_SIZE-1)
3867 #define mime_input_buf(n) mime_input_state.buf[(n)&MIME_BUF_MASK]
3869 unsigned char buf[MIME_BUF_SIZE];
3871 unsigned int last; /* decoded */
3872 unsigned int input; /* undecoded */
3874 static nkf_char (*mime_iconv_back)(nkf_char c2,nkf_char c1,nkf_char c0) = NULL;
3876 #define MAXRECOVER 20
3879 mime_input_buf_unshift(nkf_char c)
3881 mime_input_buf(--mime_input_state.top) = (unsigned char)c;
3885 mime_ungetc(nkf_char c, FILE *f)
3887 mime_input_buf_unshift(c);
3892 mime_ungetc_buf(nkf_char c, FILE *f)
3895 (*i_mungetc_buf)(c,f);
3897 mime_input_buf(--mime_input_state.input) = (unsigned char)c;
3902 mime_getc_buf(FILE *f)
3904 /* we don't keep eof of mime_input_buf, becase it contains ?= as
3905 a terminator. It was checked in mime_integrity. */
3906 return ((mimebuf_f)?
3907 (*i_mgetc_buf)(f):mime_input_buf(mime_input_state.input++));
3911 switch_mime_getc(void)
3913 if (i_getc!=mime_getc) {
3914 i_mgetc = i_getc; i_getc = mime_getc;
3915 i_mungetc = i_ungetc; i_ungetc = mime_ungetc;
3916 if(mime_f==STRICT_MIME) {
3917 i_mgetc_buf = i_mgetc; i_mgetc = mime_getc_buf;
3918 i_mungetc_buf = i_mungetc; i_mungetc = mime_ungetc_buf;
3924 unswitch_mime_getc(void)
3926 if(mime_f==STRICT_MIME) {
3927 i_mgetc = i_mgetc_buf;
3928 i_mungetc = i_mungetc_buf;
3931 i_ungetc = i_mungetc;
3932 if(mime_iconv_back)set_iconv(FALSE, mime_iconv_back);
3933 mime_iconv_back = NULL;
3937 mime_integrity(FILE *f, const unsigned char *p)
3941 /* In buffered mode, read until =? or NL or buffer full
3943 mime_input_state.input = mime_input_state.top;
3944 mime_input_state.last = mime_input_state.top;
3946 while(*p) mime_input_buf(mime_input_state.input++) = *p++;
3948 q = mime_input_state.input;
3949 while((c=(*i_getc)(f))!=EOF) {
3950 if (((mime_input_state.input-mime_input_state.top)&MIME_BUF_MASK)==0) {
3951 break; /* buffer full */
3953 if (c=='=' && d=='?') {
3954 /* checked. skip header, start decode */
3955 mime_input_buf(mime_input_state.input++) = (unsigned char)c;
3956 /* mime_last_input = mime_input_state.input; */
3957 mime_input_state.input = q;
3961 if (!( (c=='+'||c=='/'|| c=='=' || c=='?' || is_alnum(c))))
3963 /* Should we check length mod 4? */
3964 mime_input_buf(mime_input_state.input++) = (unsigned char)c;
3967 /* In case of Incomplete MIME, no MIME decode */
3968 mime_input_buf(mime_input_state.input++) = (unsigned char)c;
3969 mime_input_state.last = mime_input_state.input; /* point undecoded buffer */
3970 mime_decode_mode = 1; /* no decode on mime_input_buf last in mime_getc */
3971 switch_mime_getc(); /* anyway we need buffered getc */
3976 mime_begin_strict(FILE *f)
3980 const unsigned char *p,*q;
3981 nkf_char r[MAXRECOVER]; /* recovery buffer, max mime pattern length */
3983 mime_decode_mode = FALSE;
3984 /* =? has been checked */
3986 p = mime_pattern[j];
3989 for(i=2;p[i]>SP;i++) { /* start at =? */
3990 if (((r[i] = c1 = (*i_getc)(f))==EOF) || nkf_toupper(c1) != p[i]) {
3991 /* pattern fails, try next one */
3993 while (mime_pattern[++j]) {
3994 p = mime_pattern[j];
3995 for(k=2;k<i;k++) /* assume length(p) > i */
3996 if (p[k]!=q[k]) break;
3997 if (k==i && nkf_toupper(c1)==p[k]) break;
3999 p = mime_pattern[j];
4000 if (p) continue; /* found next one, continue */
4001 /* all fails, output from recovery buffer */
4009 mime_decode_mode = p[i-2];
4011 mime_iconv_back = iconv;
4012 set_iconv(FALSE, mime_priority_func[j]);
4013 clr_code_score(find_inputcode_byfunc(mime_priority_func[j]), SCORE_iMIME);
4015 if (mime_decode_mode=='B') {
4016 mimebuf_f = unbuf_f;
4018 /* do MIME integrity check */
4019 return mime_integrity(f,mime_pattern[j]);
4033 /* In NONSTRICT mode, only =? is checked. In case of failure, we */
4034 /* re-read and convert again from mime_buffer. */
4036 /* =? has been checked */
4037 k = mime_input_state.last;
4038 mime_input_buf(mime_input_state.last++)='='; mime_input_buf(mime_input_state.last++)='?';
4039 for(i=2;i<MAXRECOVER;i++) { /* start at =? */
4040 /* We accept any character type even if it is breaked by new lines */
4041 c1 = (*i_getc)(f); mime_input_buf(mime_input_state.last++) = (unsigned char)c1;
4042 if (c1==LF||c1==SP||c1==CR||
4043 c1=='-'||c1=='_'||is_alnum(c1)) continue;
4045 /* Failed. But this could be another MIME preemble */
4047 mime_input_state.last--;
4053 c1 = (*i_getc)(f); mime_input_buf(mime_input_state.last++) = (unsigned char)c1;
4054 if (!(++i<MAXRECOVER) || c1==EOF) break;
4055 if (c1=='b'||c1=='B') {
4056 mime_decode_mode = 'B';
4057 } else if (c1=='q'||c1=='Q') {
4058 mime_decode_mode = 'Q';
4062 c1 = (*i_getc)(f); mime_input_buf(mime_input_state.last++) = (unsigned char)c1;
4063 if (!(++i<MAXRECOVER) || c1==EOF) break;
4065 mime_decode_mode = FALSE;
4071 if (!mime_decode_mode) {
4072 /* false MIME premble, restart from mime_buffer */
4073 mime_decode_mode = 1; /* no decode, but read from the mime_buffer */
4074 /* Since we are in MIME mode until buffer becomes empty, */
4075 /* we never go into mime_begin again for a while. */
4078 /* discard mime preemble, and goto MIME mode */
4079 mime_input_state.last = k;
4080 /* do no MIME integrity check */
4081 return c1; /* used only for checking EOF */
4092 debug(const char *str)
4095 fprintf(stderr, "%s\n", str ? str : "NULL");
4101 set_input_codename(const char *codename)
4103 if (!input_codename) {
4104 input_codename = codename;
4105 } else if (strcmp(codename, input_codename) != 0) {
4106 input_codename = "";
4111 get_guessed_code(void)
4113 if (input_codename && !*input_codename) {
4114 input_codename = "BINARY";
4116 struct input_code *p = find_inputcode_byfunc(iconv);
4117 if (!input_codename) {
4118 input_codename = "ASCII";
4119 } else if (strcmp(input_codename, "Shift_JIS") == 0) {
4120 if (p->score & (SCORE_DEPEND|SCORE_CP932))
4121 input_codename = "CP932";
4122 } else if (strcmp(input_codename, "EUC-JP") == 0) {
4123 if (p->score & (SCORE_X0212))
4124 input_codename = "EUCJP-MS";
4125 else if (p->score & (SCORE_DEPEND|SCORE_CP932))
4126 input_codename = "CP51932";
4127 } else if (strcmp(input_codename, "ISO-2022-JP") == 0) {
4128 if (p->score & (SCORE_KANA))
4129 input_codename = "CP50221";
4130 else if (p->score & (SCORE_DEPEND|SCORE_CP932))
4131 input_codename = "CP50220";
4134 return input_codename;
4137 #if !defined(PERL_XS) && !defined(WIN32DLL)
4139 print_guessed_code(char *filename)
4141 if (filename != NULL) printf("%s: ", filename);
4142 if (input_codename && !*input_codename) {
4145 input_codename = get_guessed_code();
4147 printf("%s\n", input_codename);
4151 input_eol == CR ? " (CR)" :
4152 input_eol == LF ? " (LF)" :
4153 input_eol == CRLF ? " (CRLF)" :
4154 input_eol == EOF ? " (MIXED NL)" :
4164 hex_getc(nkf_char ch, FILE *f, nkf_char (*g)(FILE *f), nkf_char (*u)(nkf_char c, FILE *f))
4166 nkf_char c1, c2, c3;
4172 if (!nkf_isxdigit(c2)){
4177 if (!nkf_isxdigit(c3)){
4182 return (hex2bin(c2) << 4) | hex2bin(c3);
4188 return hex_getc(':', f, i_cgetc, i_cungetc);
4192 cap_ungetc(nkf_char c, FILE *f)
4194 return (*i_cungetc)(c, f);
4200 return hex_getc('%', f, i_ugetc, i_uungetc);
4204 url_ungetc(nkf_char c, FILE *f)
4206 return (*i_uungetc)(c, f);
4210 #ifdef NUMCHAR_OPTION
4212 numchar_getc(FILE *f)
4214 nkf_char (*g)(FILE *) = i_ngetc;
4215 nkf_char (*u)(nkf_char c ,FILE *f) = i_nungetc;
4226 if (buf[i] == 'x' || buf[i] == 'X'){
4227 for (j = 0; j < 7; j++){
4229 if (!nkf_isxdigit(buf[i])){
4236 c |= hex2bin(buf[i]);
4239 for (j = 0; j < 8; j++){
4243 if (!nkf_isdigit(buf[i])){
4250 c += hex2bin(buf[i]);
4256 return nkf_char_unicode_new(c);
4266 numchar_ungetc(nkf_char c, FILE *f)
4268 return (*i_nungetc)(c, f);
4272 #ifdef UNICODE_NORMALIZATION
4277 nkf_char (*g)(FILE *f) = i_nfc_getc;
4278 nkf_char (*u)(nkf_char c ,FILE *f) = i_nfc_ungetc;
4279 nkf_buf_t *buf = nkf_state->nfc_buf;
4280 const unsigned char *array;
4281 int lower=0, upper=NORMALIZATION_TABLE_LENGTH-1;
4282 nkf_char c = (*g)(f);
4284 if (c == EOF || c > 0xFF || (c & 0xc0) == 0x80) return c;
4286 nkf_buf_push(buf, c);
4288 while (lower <= upper) {
4289 int mid = (lower+upper) / 2;
4291 array = normalization_table[mid].nfd;
4292 for (len=0; len < NORMALIZATION_TABLE_NFD_LENGTH && array[len]; len++) {
4293 if (len >= nkf_buf_length(buf)) {
4297 lower = 1, upper = 0;
4300 nkf_buf_push(buf, c);
4302 if (array[len] != nkf_buf_at(buf, len)) {
4303 if (array[len] < nkf_buf_at(buf, len)) lower = mid + 1;
4304 else upper = mid - 1;
4311 array = normalization_table[mid].nfc;
4313 for (i=0; i < NORMALIZATION_TABLE_NFC_LENGTH && array[i]; i++)
4314 nkf_buf_push(buf, array[i]);
4318 } while (lower <= upper);
4320 while (nkf_buf_length(buf) > 1) (*u)(nkf_buf_pop(buf), f);
4321 c = nkf_buf_pop(buf);
4327 nfc_ungetc(nkf_char c, FILE *f)
4329 return (*i_nfc_ungetc)(c, f);
4331 #endif /* UNICODE_NORMALIZATION */
4335 base64decode(nkf_char c)
4340 i = c - 'A'; /* A..Z 0-25 */
4341 } else if (c == '_') {
4342 i = '?' /* 63 */ ; /* _ 63 */
4344 i = c - 'G' /* - 'a' + 26 */ ; /* a..z 26-51 */
4346 } else if (c > '/') {
4347 i = c - '0' + '4' /* - '0' + 52 */ ; /* 0..9 52-61 */
4348 } else if (c == '+' || c == '-') {
4349 i = '>' /* 62 */ ; /* + and - 62 */
4351 i = '?' /* 63 */ ; /* / 63 */
4359 nkf_char c1, c2, c3, c4, cc;
4360 nkf_char t1, t2, t3, t4, mode, exit_mode;
4361 nkf_char lwsp_count;
4364 nkf_char lwsp_size = 128;
4366 if (mime_input_state.top != mime_input_state.last) { /* Something is in FIFO */
4367 return mime_input_buf(mime_input_state.top++);
4369 if (mime_decode_mode==1 ||mime_decode_mode==FALSE) {
4370 mime_decode_mode=FALSE;
4371 unswitch_mime_getc();
4372 return (*i_getc)(f);
4375 if (mimebuf_f == FIXED_MIME)
4376 exit_mode = mime_decode_mode;
4379 if (mime_decode_mode == 'Q') {
4380 if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF);
4382 if (c1=='_' && mimebuf_f != FIXED_MIME) return SP;
4383 if (c1<=SP || DEL<=c1) {
4384 mime_decode_mode = exit_mode; /* prepare for quit */
4387 if (c1!='=' && (c1!='?' || mimebuf_f == FIXED_MIME)) {
4391 mime_decode_mode = exit_mode; /* prepare for quit */
4392 if ((c2 = (*i_mgetc)(f)) == EOF) return (EOF);
4393 if (c1=='?'&&c2=='=' && mimebuf_f != FIXED_MIME) {
4394 /* end Q encoding */
4395 input_mode = exit_mode;
4397 lwsp_buf = nkf_xmalloc((lwsp_size+5)*sizeof(char));
4398 while ((c1=(*i_getc)(f))!=EOF) {
4403 if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) {
4411 if ((c1=(*i_getc)(f))!=EOF && c1 == LF) {
4412 if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) {
4427 lwsp_buf[lwsp_count] = (unsigned char)c1;
4428 if (lwsp_count++>lwsp_size){
4430 lwsp_buf_new = nkf_xrealloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
4431 lwsp_buf = lwsp_buf_new;
4437 if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SP && lwsp_buf[lwsp_count-1] != TAB))) {
4439 for(lwsp_count--;lwsp_count>0;lwsp_count--)
4440 i_ungetc(lwsp_buf[lwsp_count],f);
4443 nkf_xfree(lwsp_buf);
4446 if (c1=='='&&c2<SP) { /* this is soft wrap */
4447 while((c1 = (*i_mgetc)(f)) <=SP) {
4448 if (c1 == EOF) return (EOF);
4450 mime_decode_mode = 'Q'; /* still in MIME */
4451 goto restart_mime_q;
4454 mime_decode_mode = 'Q'; /* still in MIME */
4458 if ((c3 = (*i_mgetc)(f)) == EOF) return (EOF);
4459 if (c2<=SP) return c2;
4460 mime_decode_mode = 'Q'; /* still in MIME */
4461 return ((hex2bin(c2)<<4) + hex2bin(c3));
4464 if (mime_decode_mode != 'B') {
4465 mime_decode_mode = FALSE;
4466 return (*i_mgetc)(f);
4470 /* Base64 encoding */
4472 MIME allows line break in the middle of
4473 Base64, but we are very pessimistic in decoding
4474 in unbuf mode because MIME encoded code may broken by
4475 less or editor's control sequence (such as ESC-[-K in unbuffered
4476 mode. ignore incomplete MIME.
4478 mode = mime_decode_mode;
4479 mime_decode_mode = exit_mode; /* prepare for quit */
4481 while ((c1 = (*i_mgetc)(f))<=SP) {
4486 if ((c2 = (*i_mgetc)(f))<=SP) {
4489 if (mime_f != STRICT_MIME) goto mime_c2_retry;
4490 if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
4493 if ((c1 == '?') && (c2 == '=')) {
4496 lwsp_buf = nkf_xmalloc((lwsp_size+5)*sizeof(char));
4497 while ((c1=(*i_getc)(f))!=EOF) {
4502 if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) {
4510 if ((c1=(*i_getc)(f))!=EOF) {
4514 } else if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) {
4529 lwsp_buf[lwsp_count] = (unsigned char)c1;
4530 if (lwsp_count++>lwsp_size){
4532 lwsp_buf_new = nkf_xrealloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
4533 lwsp_buf = lwsp_buf_new;
4539 if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SP && lwsp_buf[lwsp_count-1] != TAB))) {
4541 for(lwsp_count--;lwsp_count>0;lwsp_count--)
4542 i_ungetc(lwsp_buf[lwsp_count],f);
4545 nkf_xfree(lwsp_buf);
4549 if ((c3 = (*i_mgetc)(f))<=SP) {
4552 if (mime_f != STRICT_MIME) goto mime_c3_retry;
4553 if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
4557 if ((c4 = (*i_mgetc)(f))<=SP) {
4560 if (mime_f != STRICT_MIME) goto mime_c4_retry;
4561 if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
4565 mime_decode_mode = mode; /* still in MIME sigh... */
4567 /* BASE 64 decoding */
4569 t1 = 0x3f & base64decode(c1);
4570 t2 = 0x3f & base64decode(c2);
4571 t3 = 0x3f & base64decode(c3);
4572 t4 = 0x3f & base64decode(c4);
4573 cc = ((t1 << 2) & 0x0fc) | ((t2 >> 4) & 0x03);
4575 mime_input_buf(mime_input_state.last++) = (unsigned char)cc;
4576 cc = ((t2 << 4) & 0x0f0) | ((t3 >> 2) & 0x0f);
4578 mime_input_buf(mime_input_state.last++) = (unsigned char)cc;
4579 cc = ((t3 << 6) & 0x0c0) | (t4 & 0x3f);
4581 mime_input_buf(mime_input_state.last++) = (unsigned char)cc;
4586 return mime_input_buf(mime_input_state.top++);
4589 static const char basis_64[] =
4590 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
4592 #define MIMEOUT_BUF_LENGTH 74
4594 char buf[MIMEOUT_BUF_LENGTH+1];
4598 /*nkf_char mime_lastchar2, mime_lastchar1;*/
4601 open_mime(nkf_char mode)
4603 const unsigned char *p;
4606 p = mime_pattern[0];
4607 for(i=0;mime_pattern[i];i++) {
4608 if (mode == mime_encode[i]) {
4609 p = mime_pattern[i];
4613 mimeout_mode = mime_encode_method[i];
4615 if (base64_count>45) {
4616 if (mimeout_state.count>0 && nkf_isblank(mimeout_state.buf[i])){
4617 (*o_mputc)(mimeout_state.buf[i]);
4620 PUT_NEWLINE((*o_mputc));
4623 if (mimeout_state.count>0 && nkf_isspace(mimeout_state.buf[i])) {
4627 for (;i<mimeout_state.count;i++) {
4628 if (nkf_isspace(mimeout_state.buf[i])) {
4629 (*o_mputc)(mimeout_state.buf[i]);
4639 j = mimeout_state.count;
4640 mimeout_state.count = 0;
4642 mime_putc(mimeout_state.buf[i]);
4647 mime_prechar(nkf_char c2, nkf_char c1)
4649 if (mimeout_mode > 0){
4651 if (base64_count + mimeout_state.count/3*4> 73){
4652 (*o_base64conv)(EOF,0);
4653 OCONV_NEWLINE((*o_base64conv));
4654 (*o_base64conv)(0,SP);
4658 if (!(c2 == 0 && (c1 == CR || c1 == LF)) &&
4659 base64_count + mimeout_state.count/3*4> 66) {
4660 (*o_base64conv)(EOF,0);
4661 OCONV_NEWLINE((*o_base64conv));
4662 (*o_base64conv)(0,SP);
4668 if (c2 != EOF && base64_count + mimeout_state.count/3*4> 60) {
4669 mimeout_mode = (output_mode==ASCII ||output_mode == ISO_8859_1) ? 'Q' : 'B';
4670 open_mime(output_mode);
4671 (*o_base64conv)(EOF,0);
4672 OCONV_NEWLINE((*o_base64conv));
4673 (*o_base64conv)(0,SP);
4692 switch(mimeout_mode) {
4697 (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0x3)<< 4)]);
4703 (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0xF) << 2)]);
4708 if (mimeout_mode > 0) {
4709 if (mimeout_f!=FIXED_MIME) {
4711 } else if (mimeout_mode != 'Q')
4717 mimeout_addchar(nkf_char c)
4719 switch(mimeout_mode) {
4724 } else if(!nkf_isalnum(c)) {
4726 (*o_mputc)(bin2hex(((c>>4)&0xf)));
4727 (*o_mputc)(bin2hex((c&0xf)));
4735 nkf_state->mimeout_state=c;
4736 (*o_mputc)(basis_64[c>>2]);
4741 (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0x3)<< 4) | ((c & 0xF0) >> 4)]);
4742 nkf_state->mimeout_state=c;
4747 (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0xF) << 2) | ((c & 0xC0) >>6)]);
4748 (*o_mputc)(basis_64[c & 0x3F]);
4760 mime_putc(nkf_char c)
4765 if (mimeout_f == FIXED_MIME){
4766 if (mimeout_mode == 'Q'){
4767 if (base64_count > 71){
4768 if (c!=CR && c!=LF) {
4770 PUT_NEWLINE((*o_mputc));
4775 if (base64_count > 71){
4777 PUT_NEWLINE((*o_mputc));
4780 if (c == EOF) { /* c==EOF */
4784 if (c != EOF) { /* c==EOF */
4790 /* mimeout_f != FIXED_MIME */
4792 if (c == EOF) { /* c==EOF */
4793 if (mimeout_mode == -1 && mimeout_state.count > 1) open_mime(output_mode);
4794 j = mimeout_state.count;
4795 mimeout_state.count = 0;
4797 if (mimeout_mode > 0) {
4798 if (!nkf_isblank(mimeout_state.buf[j-1])) {
4800 if (nkf_isspace(mimeout_state.buf[i]) && base64_count < 71){
4803 mimeout_addchar(mimeout_state.buf[i]);
4807 mimeout_addchar(mimeout_state.buf[i]);
4811 mimeout_addchar(mimeout_state.buf[i]);
4817 mimeout_addchar(mimeout_state.buf[i]);
4823 if (mimeout_state.count > 0){
4824 lastchar = mimeout_state.buf[mimeout_state.count - 1];
4829 if (mimeout_mode=='Q') {
4830 if (c <= DEL && (output_mode==ASCII ||output_mode == ISO_8859_1)) {
4831 if (c == CR || c == LF) {
4836 } else if (c <= SP) {
4838 if (base64_count > 70) {
4839 PUT_NEWLINE((*o_mputc));
4842 if (!nkf_isblank(c)) {
4847 if (base64_count > 70) {
4849 PUT_NEWLINE((*o_mputc));
4852 open_mime(output_mode);
4854 if (!nkf_noescape_mime(c)) {
4867 if (mimeout_mode <= 0) {
4868 if (c <= DEL && (output_mode==ASCII || output_mode == ISO_8859_1 ||
4869 output_mode == UTF_8)) {
4870 if (nkf_isspace(c)) {
4872 if (mimeout_mode == -1) {
4875 if (c==CR || c==LF) {
4877 open_mime(output_mode);
4883 for (i=0;i<mimeout_state.count;i++) {
4884 (*o_mputc)(mimeout_state.buf[i]);
4885 if (mimeout_state.buf[i] == CR || mimeout_state.buf[i] == LF){
4896 mimeout_state.buf[0] = (char)c;
4897 mimeout_state.count = 1;
4899 if (base64_count > 1
4900 && base64_count + mimeout_state.count > 76
4901 && mimeout_state.buf[0] != CR && mimeout_state.buf[0] != LF){
4902 static const char *str = "boundary=\"";
4903 static int len = 10;
4906 for (; i < mimeout_state.count - len; ++i) {
4907 if (!strncmp(mimeout_state.buf+i, str, len)) {
4913 if (i == 0 || i == mimeout_state.count - len) {
4914 PUT_NEWLINE((*o_mputc));
4916 if (!nkf_isspace(mimeout_state.buf[0])){
4923 for (j = 0; j <= i; ++j) {
4924 (*o_mputc)(mimeout_state.buf[j]);
4926 PUT_NEWLINE((*o_mputc));
4928 for (; j <= mimeout_state.count; ++j) {
4929 mimeout_state.buf[j - i] = mimeout_state.buf[j];
4931 mimeout_state.count -= i;
4934 mimeout_state.buf[mimeout_state.count++] = (char)c;
4935 if (mimeout_state.count>MIMEOUT_BUF_LENGTH) {
4936 open_mime(output_mode);
4941 if (lastchar==CR || lastchar == LF){
4942 for (i=0;i<mimeout_state.count;i++) {
4943 (*o_mputc)(mimeout_state.buf[i]);
4946 mimeout_state.count = 0;
4949 for (i=0;i<mimeout_state.count-1;i++) {
4950 (*o_mputc)(mimeout_state.buf[i]);
4953 mimeout_state.buf[0] = SP;
4954 mimeout_state.count = 1;
4956 open_mime(output_mode);
4959 /* mimeout_mode == 'B', 1, 2 */
4960 if (c <= DEL && (output_mode==ASCII || output_mode == ISO_8859_1 ||
4961 output_mode == UTF_8)) {
4962 if (lastchar == CR || lastchar == LF){
4963 if (nkf_isblank(c)) {
4964 for (i=0;i<mimeout_state.count;i++) {
4965 mimeout_addchar(mimeout_state.buf[i]);
4967 mimeout_state.count = 0;
4970 for (i=0;i<mimeout_state.count;i++) {
4971 (*o_mputc)(mimeout_state.buf[i]);
4974 mimeout_state.count = 0;
4976 mimeout_state.buf[mimeout_state.count++] = (char)c;
4979 if (nkf_isspace(c)) {
4980 for (i=0;i<mimeout_state.count;i++) {
4981 if (SP<mimeout_state.buf[i] && mimeout_state.buf[i]<DEL) {
4983 for (i=0;i<mimeout_state.count;i++) {
4984 (*o_mputc)(mimeout_state.buf[i]);
4987 mimeout_state.count = 0;
4990 mimeout_state.buf[mimeout_state.count++] = (char)c;
4991 if (mimeout_state.count>MIMEOUT_BUF_LENGTH) {
4993 for (i=0;i<mimeout_state.count;i++) {
4994 (*o_mputc)(mimeout_state.buf[i]);
4997 mimeout_state.count = 0;
5001 if (mimeout_state.count>0 && SP<c && c!='=') {
5002 mimeout_state.buf[mimeout_state.count++] = (char)c;
5003 if (mimeout_state.count>MIMEOUT_BUF_LENGTH) {
5004 j = mimeout_state.count;
5005 mimeout_state.count = 0;
5007 mimeout_addchar(mimeout_state.buf[i]);
5014 if (mimeout_state.count>0) {
5015 j = mimeout_state.count;
5016 mimeout_state.count = 0;
5018 if (mimeout_state.buf[i]==CR || mimeout_state.buf[i]==LF)
5020 mimeout_addchar(mimeout_state.buf[i]);
5026 (*o_mputc)(mimeout_state.buf[i]);
5028 open_mime(output_mode);
5035 base64_conv(nkf_char c2, nkf_char c1)
5037 mime_prechar(c2, c1);
5038 (*o_base64conv)(c2,c1);
5042 typedef struct nkf_iconv_t {
5045 size_t input_buffer_size;
5046 char *output_buffer;
5047 size_t output_buffer_size;
5051 nkf_iconv_new(char *tocode, char *fromcode)
5053 nkf_iconv_t converter;
5055 converter->input_buffer_size = IOBUF_SIZE;
5056 converter->input_buffer = nkf_xmalloc(converter->input_buffer_size);
5057 converter->output_buffer_size = IOBUF_SIZE * 2;
5058 converter->output_buffer = nkf_xmalloc(converter->output_buffer_size);
5059 converter->cd = iconv_open(tocode, fromcode);
5060 if (converter->cd == (iconv_t)-1)
5064 perror(fprintf("iconv doesn't support %s to %s conversion.", fromcode, tocode));
5067 perror("can't iconv_open");
5073 nkf_iconv_convert(nkf_iconv_t *converter, FILE *input)
5075 size_t invalid = (size_t)0;
5076 char *input_buffer = converter->input_buffer;
5077 size_t input_length = (size_t)0;
5078 char *output_buffer = converter->output_buffer;
5079 size_t output_length = converter->output_buffer_size;
5084 while ((c = (*i_getc)(f)) != EOF) {
5085 input_buffer[input_length++] = c;
5086 if (input_length < converter->input_buffer_size) break;
5090 size_t ret = iconv(converter->cd, &input_buffer, &input_length, &output_buffer, &output_length);
5091 while (output_length-- > 0) {
5092 (*o_putc)(output_buffer[converter->output_buffer_size-output_length]);
5094 if (ret == (size_t) - 1) {
5097 if (input_buffer != converter->input_buffer)
5098 memmove(converter->input_buffer, input_buffer, input_length);
5101 converter->output_buffer_size *= 2;
5102 output_buffer = realloc(converter->outbuf, converter->output_buffer_size);
5103 if (output_buffer == NULL) {
5104 perror("can't realloc");
5107 converter->output_buffer = output_buffer;
5110 perror("can't iconv");
5123 nkf_iconv_close(nkf_iconv_t *convert)
5125 nkf_xfree(converter->inbuf);
5126 nkf_xfree(converter->outbuf);
5127 iconv_close(converter->cd);
5136 struct input_code *p = input_code_list;
5148 mime_f = MIME_DECODE_DEFAULT;
5149 mime_decode_f = FALSE;
5154 x0201_f = X0201_DEFAULT;
5155 iso2022jp_f = FALSE;
5156 #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
5157 ms_ucs_map_f = UCS_MAP_ASCII;
5159 #ifdef UTF8_INPUT_ENABLE
5160 no_cp932ext_f = FALSE;
5161 no_best_fit_chars_f = FALSE;
5162 encode_fallback = NULL;
5163 unicode_subchar = '?';
5164 input_endian = ENDIAN_BIG;
5166 #ifdef UTF8_OUTPUT_ENABLE
5167 output_bom_f = FALSE;
5168 output_endian = ENDIAN_BIG;
5170 #ifdef UNICODE_NORMALIZATION
5186 #ifdef SHIFTJIS_CP932
5196 for (i = 0; i < 256; i++){
5197 prefix_table[i] = 0;
5201 mimeout_state.count = 0;
5206 fold_preserve_f = FALSE;
5209 kanji_intro = DEFAULT_J;
5210 ascii_intro = DEFAULT_R;
5211 fold_margin = FOLD_MARGIN;
5212 o_zconv = no_connection;
5213 o_fconv = no_connection;
5214 o_eol_conv = no_connection;
5215 o_rot_conv = no_connection;
5216 o_hira_conv = no_connection;
5217 o_base64conv = no_connection;
5218 o_iso2022jp_check_conv = no_connection;
5221 i_ungetc = std_ungetc;
5223 i_bungetc = std_ungetc;
5226 i_mungetc = std_ungetc;
5227 i_mgetc_buf = std_getc;
5228 i_mungetc_buf = std_ungetc;
5229 output_mode = ASCII;
5231 mime_decode_mode = FALSE;
5237 z_prev2=0,z_prev1=0;
5239 iconv_for_check = 0;
5241 input_codename = NULL;
5242 input_encoding = NULL;
5243 output_encoding = NULL;
5251 module_connection(void)
5253 if (input_encoding) set_input_encoding(input_encoding);
5254 if (!output_encoding) {
5255 output_encoding = nkf_default_encoding();
5257 if (!output_encoding) {
5258 if (noout_f || guess_f) output_encoding = nkf_enc_from_index(ISO_2022_JP);
5261 set_output_encoding(output_encoding);
5262 oconv = nkf_enc_to_oconv(output_encoding);
5264 if (nkf_enc_unicode_p(output_encoding))
5265 output_mode = UTF_8;
5267 /* replace continucation module, from output side */
5269 /* output redicrection */
5271 if (noout_f || guess_f){
5278 if (mimeout_f == TRUE) {
5279 o_base64conv = oconv; oconv = base64_conv;
5281 /* base64_count = 0; */
5284 if (eolmode_f || guess_f) {
5285 o_eol_conv = oconv; oconv = eol_conv;
5288 o_rot_conv = oconv; oconv = rot_conv;
5291 o_iso2022jp_check_conv = oconv; oconv = iso2022jp_check_conv;
5294 o_hira_conv = oconv; oconv = hira_conv;
5297 o_fconv = oconv; oconv = fold_conv;
5300 if (alpha_f || x0201_f) {
5301 o_zconv = oconv; oconv = z_conv;
5305 i_ungetc = std_ungetc;
5306 /* input redicrection */
5309 i_cgetc = i_getc; i_getc = cap_getc;
5310 i_cungetc = i_ungetc; i_ungetc= cap_ungetc;
5313 i_ugetc = i_getc; i_getc = url_getc;
5314 i_uungetc = i_ungetc; i_ungetc= url_ungetc;
5317 #ifdef NUMCHAR_OPTION
5319 i_ngetc = i_getc; i_getc = numchar_getc;
5320 i_nungetc = i_ungetc; i_ungetc= numchar_ungetc;
5323 #ifdef UNICODE_NORMALIZATION
5325 i_nfc_getc = i_getc; i_getc = nfc_getc;
5326 i_nfc_ungetc = i_ungetc; i_ungetc= nfc_ungetc;
5329 if (mime_f && mimebuf_f==FIXED_MIME) {
5330 i_mgetc = i_getc; i_getc = mime_getc;
5331 i_mungetc = i_ungetc; i_ungetc = mime_ungetc;
5334 i_bgetc = i_getc; i_getc = broken_getc;
5335 i_bungetc = i_ungetc; i_ungetc = broken_ungetc;
5337 if (input_encoding) {
5338 set_iconv(-TRUE, nkf_enc_to_iconv(input_encoding));
5340 set_iconv(FALSE, e_iconv);
5344 struct input_code *p = input_code_list;
5353 Conversion main loop. Code detection only.
5356 #if !defined(PERL_XS) && !defined(WIN32DLL)
5363 module_connection();
5364 while ((c = (*i_getc)(f)) != EOF)
5371 #define NEXT continue /* no output, get next */
5372 #define SKIP c2=0;continue /* no output, get next */
5373 #define MORE c2=c1;continue /* need one more byte */
5374 #define SEND ; /* output c1 and c2, get next */
5375 #define LAST break /* end of loop, go closing */
5376 #define set_input_mode(mode) do { \
5377 input_mode = mode; \
5379 set_input_codename("ISO-2022-JP"); \
5380 debug("ISO-2022-JP"); \
5384 kanji_convert(FILE *f)
5386 nkf_char c1=0, c2=0, c3=0, c4=0;
5387 int shift_mode = 0; /* 0, 1, 2, 3 */
5389 int is_8bit = FALSE;
5391 if (input_encoding && !nkf_enc_asciicompat(input_encoding)) {
5396 output_mode = ASCII;
5398 if (module_connection() < 0) {
5399 #if !defined(PERL_XS) && !defined(WIN32DLL)
5400 fprintf(stderr, "no output encoding given\n");
5406 #ifdef UTF8_INPUT_ENABLE
5407 if(iconv == w_iconv32){
5408 while ((c1 = (*i_getc)(f)) != EOF &&
5409 (c2 = (*i_getc)(f)) != EOF &&
5410 (c3 = (*i_getc)(f)) != EOF &&
5411 (c4 = (*i_getc)(f)) != EOF) {
5412 nkf_iconv_utf_32(c1, c2, c3, c4);
5416 else if (iconv == w_iconv16) {
5417 while ((c1 = (*i_getc)(f)) != EOF &&
5418 (c2 = (*i_getc)(f)) != EOF) {
5419 if (nkf_iconv_utf_16(c1, c2, 0, 0) == -2 &&
5420 (c3 = (*i_getc)(f)) != EOF &&
5421 (c4 = (*i_getc)(f)) != EOF) {
5422 nkf_iconv_utf_16(c1, c2, c3, c4);
5429 while ((c1 = (*i_getc)(f)) != EOF) {
5430 #ifdef INPUT_CODE_FIX
5431 if (!input_encoding)
5437 /* in case of 8th bit is on */
5438 if (!estab_f&&!mime_decode_mode) {
5439 /* in case of not established yet */
5440 /* It is still ambiguious */
5441 if (h_conv(f, c2, c1)==EOF) {
5449 /* in case of already established */
5451 /* ignore bogus code */
5459 /* 2nd byte of 7 bit code or SJIS */
5463 else if (nkf_char_unicode_p(c1)) {
5469 if (input_mode == JIS_X_0208 && DEL <= c1 && c1 < 0x92) {
5472 }else if (input_codename && input_codename[0] == 'I' &&
5473 0xA1 <= c1 && c1 <= 0xDF) {
5474 /* JIS X 0201 Katakana in 8bit JIS */
5475 c2 = JIS_X_0201_1976_K;
5478 } else if (c1 > DEL) {
5480 if (!estab_f && !iso8859_f) {
5481 /* not established yet */
5483 } else { /* estab_f==TRUE */
5489 else if ((iconv == s_iconv && 0xA0 <= c1 && c1 <= 0xDF) ||
5490 (ms_ucs_map_f == UCS_MAP_CP10001 && (c1 == 0xFD || c1 == 0xFE))) {
5492 c2 = JIS_X_0201_1976_K;
5497 /* already established */
5501 } else if (SP < c1 && c1 < DEL) {
5502 /* in case of Roman characters */
5504 /* output 1 shifted byte */
5508 } else if (nkf_byte_jisx0201_katakana_p(c1)){
5509 /* output 1 shifted byte */
5510 c2 = JIS_X_0201_1976_K;
5513 /* look like bogus code */
5516 } else if (input_mode == JIS_X_0208 || input_mode == JIS_X_0212 ||
5517 input_mode == JIS_X_0213_1 || input_mode == JIS_X_0213_2) {
5518 /* in case of Kanji shifted */
5520 } else if (c1 == '=' && mime_f && !mime_decode_mode) {
5521 /* Check MIME code */
5522 if ((c1 = (*i_getc)(f)) == EOF) {
5525 } else if (c1 == '?') {
5526 /* =? is mime conversion start sequence */
5527 if(mime_f == STRICT_MIME) {
5528 /* check in real detail */
5529 if (mime_begin_strict(f) == EOF)
5532 } else if (mime_begin(f) == EOF)
5541 /* normal ASCII code */
5544 } else if (c1 == SI && (!is_8bit || mime_decode_mode)) {
5547 } else if (c1 == SO && (!is_8bit || mime_decode_mode)) {
5550 } else if (c1 == ESC && (!is_8bit || mime_decode_mode)) {
5551 if ((c1 = (*i_getc)(f)) == EOF) {
5555 else if (c1 == '&') {
5557 if ((c1 = (*i_getc)(f)) == EOF) {
5563 else if (c1 == '$') {
5565 if ((c1 = (*i_getc)(f)) == EOF) {
5566 /* don't send bogus code
5568 (*oconv)(0, '$'); */
5570 } else if (c1 == '@' || c1 == 'B') {
5572 set_input_mode(JIS_X_0208);
5574 } else if (c1 == '(') {
5576 if ((c1 = (*i_getc)(f)) == EOF) {
5577 /* don't send bogus code
5583 } else if (c1 == '@'|| c1 == 'B') {
5585 set_input_mode(JIS_X_0208);
5588 } else if (c1 == 'D'){
5589 set_input_mode(JIS_X_0212);
5591 #endif /* X0212_ENABLE */
5592 } else if (c1 == 'O' || c1 == 'Q'){
5593 set_input_mode(JIS_X_0213_1);
5595 } else if (c1 == 'P'){
5596 set_input_mode(JIS_X_0213_2);
5599 /* could be some special code */
5606 } else if (broken_f&0x2) {
5607 /* accept any ESC-(-x as broken code ... */
5608 input_mode = JIS_X_0208;
5617 } else if (c1 == '(') {
5619 if ((c1 = (*i_getc)(f)) == EOF) {
5620 /* don't send bogus code
5622 (*oconv)(0, '('); */
5625 else if (c1 == 'I') {
5626 /* JIS X 0201 Katakana */
5627 set_input_mode(JIS_X_0201_1976_K);
5630 else if (c1 == 'B' || c1 == 'J' || c1 == 'H') {
5631 /* ISO-646IRV:1983 or JIS X 0201 Roman or JUNET */
5632 set_input_mode(ASCII);
5635 else if (broken_f&0x2) {
5636 set_input_mode(ASCII);
5645 else if (c1 == '.') {
5647 if ((c1 = (*i_getc)(f)) == EOF) {
5650 else if (c1 == 'A') {
5661 else if (c1 == 'N') {
5664 if (g2 == ISO_8859_1) {
5679 } else if (c1 == ESC && iconv == s_iconv) {
5680 /* ESC in Shift_JIS */
5681 if ((c1 = (*i_getc)(f)) == EOF) {
5684 } else if (c1 == '$') {
5686 if ((c1 = (*i_getc)(f)) == EOF) {
5688 } else if (('E' <= c1 && c1 <= 'G') ||
5689 ('O' <= c1 && c1 <= 'Q')) {
5697 static const nkf_char jphone_emoji_first_table[7] =
5698 {0xE1E0, 0xDFE0, 0xE2E0, 0xE3E0, 0xE4E0, 0xDFE0, 0xE0E0};
5699 c3 = nkf_char_unicode_new(jphone_emoji_first_table[c1 % 7]);
5700 if ((c1 = (*i_getc)(f)) == EOF) LAST;
5701 while (SP <= c1 && c1 <= 'z') {
5702 (*oconv)(0, c1 + c3);
5703 if ((c1 = (*i_getc)(f)) == EOF) LAST;
5718 } else if (c1 == LF || c1 == CR) {
5720 input_mode = ASCII; set_iconv(FALSE, 0);
5722 } else if (mime_decode_f && !mime_decode_mode){
5724 if ((c1=(*i_getc)(f))!=EOF && c1 == SP) {
5732 } else { /* if (c1 == CR)*/
5733 if ((c1=(*i_getc)(f))!=EOF) {
5737 } else if (c1 == LF && (c1=(*i_getc)(f))!=EOF && c1 == SP) {
5757 switch ((*iconv)(c2, c1, 0)) { /* can be EUC / SJIS / UTF-8 */
5760 if ((c3 = (*i_getc)(f)) != EOF) {
5763 if ((c4 = (*i_getc)(f)) != EOF) {
5765 (*iconv)(c2, c1, c3|c4);
5770 /* 3 bytes EUC or UTF-8 */
5771 if ((c3 = (*i_getc)(f)) != EOF) {
5773 (*iconv)(c2, c1, c3);
5781 0x7F <= c2 && c2 <= 0x92 &&
5782 0x21 <= c1 && c1 <= 0x7E) {
5784 c1 = nkf_char_unicode_new((c2 - 0x7F) * 94 + c1 - 0x21 + 0xE000);
5787 (*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */
5791 (*oconv)(PREFIX_EUCG3 | c2, c1);
5793 #endif /* X0212_ENABLE */
5795 (*oconv)(PREFIX_EUCG3 | c2, c1);
5798 (*oconv)(input_mode, c1); /* other special case */
5804 /* goto next_word */
5809 (*iconv)(EOF, 0, 0);
5810 if (!input_codename)
5813 struct input_code *p = input_code_list;
5814 struct input_code *result = p;
5816 if (p->score < result->score) result = p;
5819 set_input_codename(result->name);
5821 debug(result->name);
5829 * int options(unsigned char *cp)
5836 options(unsigned char *cp)
5840 unsigned char *cp_back = NULL;
5845 while(*cp && *cp++!='-');
5846 while (*cp || cp_back) {
5854 case '-': /* literal options */
5855 if (!*cp || *cp == SP) { /* ignore the rest of arguments */
5859 for (i=0;i<sizeof(long_option)/sizeof(long_option[0]);i++) {
5860 p = (unsigned char *)long_option[i].name;
5861 for (j=0;*p && *p != '=' && *p == cp[j];p++, j++);
5862 if (*p == cp[j] || cp[j] == SP){
5869 #if !defined(PERL_XS) && !defined(WIN32DLL)
5870 fprintf(stderr, "unknown long option: --%s\n", cp);
5874 while(*cp && *cp != SP && cp++);
5875 if (long_option[i].alias[0]){
5877 cp = (unsigned char *)long_option[i].alias;
5880 if (strcmp(long_option[i].name, "help") == 0){
5885 if (strcmp(long_option[i].name, "ic=") == 0){
5886 enc = nkf_enc_find((char *)p);
5888 input_encoding = enc;
5891 if (strcmp(long_option[i].name, "oc=") == 0){
5892 enc = nkf_enc_find((char *)p);
5893 /* if (enc <= 0) continue; */
5895 output_encoding = enc;
5898 if (strcmp(long_option[i].name, "guess=") == 0){
5899 if (p[0] == '0' || p[0] == '1') {
5907 if (strcmp(long_option[i].name, "overwrite") == 0){
5910 preserve_time_f = TRUE;
5913 if (strcmp(long_option[i].name, "overwrite=") == 0){
5916 preserve_time_f = TRUE;
5918 backup_suffix = (char *)p;
5921 if (strcmp(long_option[i].name, "in-place") == 0){
5924 preserve_time_f = FALSE;
5927 if (strcmp(long_option[i].name, "in-place=") == 0){
5930 preserve_time_f = FALSE;
5932 backup_suffix = (char *)p;
5937 if (strcmp(long_option[i].name, "cap-input") == 0){
5941 if (strcmp(long_option[i].name, "url-input") == 0){
5946 #ifdef NUMCHAR_OPTION
5947 if (strcmp(long_option[i].name, "numchar-input") == 0){
5953 if (strcmp(long_option[i].name, "no-output") == 0){
5957 if (strcmp(long_option[i].name, "debug") == 0){
5962 if (strcmp(long_option[i].name, "cp932") == 0){
5963 #ifdef SHIFTJIS_CP932
5967 #ifdef UTF8_OUTPUT_ENABLE
5968 ms_ucs_map_f = UCS_MAP_CP932;
5972 if (strcmp(long_option[i].name, "no-cp932") == 0){
5973 #ifdef SHIFTJIS_CP932
5977 #ifdef UTF8_OUTPUT_ENABLE
5978 ms_ucs_map_f = UCS_MAP_ASCII;
5982 #ifdef SHIFTJIS_CP932
5983 if (strcmp(long_option[i].name, "cp932inv") == 0){
5990 if (strcmp(long_option[i].name, "x0212") == 0){
5997 if (strcmp(long_option[i].name, "exec-in") == 0){
6001 if (strcmp(long_option[i].name, "exec-out") == 0){
6006 #if defined(UTF8_OUTPUT_ENABLE) && defined(UTF8_INPUT_ENABLE)
6007 if (strcmp(long_option[i].name, "no-cp932ext") == 0){
6008 no_cp932ext_f = TRUE;
6011 if (strcmp(long_option[i].name, "no-best-fit-chars") == 0){
6012 no_best_fit_chars_f = TRUE;
6015 if (strcmp(long_option[i].name, "fb-skip") == 0){
6016 encode_fallback = NULL;
6019 if (strcmp(long_option[i].name, "fb-html") == 0){
6020 encode_fallback = encode_fallback_html;
6023 if (strcmp(long_option[i].name, "fb-xml") == 0){
6024 encode_fallback = encode_fallback_xml;
6027 if (strcmp(long_option[i].name, "fb-java") == 0){
6028 encode_fallback = encode_fallback_java;
6031 if (strcmp(long_option[i].name, "fb-perl") == 0){
6032 encode_fallback = encode_fallback_perl;
6035 if (strcmp(long_option[i].name, "fb-subchar") == 0){
6036 encode_fallback = encode_fallback_subchar;
6039 if (strcmp(long_option[i].name, "fb-subchar=") == 0){
6040 encode_fallback = encode_fallback_subchar;
6041 unicode_subchar = 0;
6043 /* decimal number */
6044 for (i = 0; i < 7 && nkf_isdigit(p[i]); i++){
6045 unicode_subchar *= 10;
6046 unicode_subchar += hex2bin(p[i]);
6048 }else if(p[1] == 'x' || p[1] == 'X'){
6049 /* hexadecimal number */
6050 for (i = 2; i < 8 && nkf_isxdigit(p[i]); i++){
6051 unicode_subchar <<= 4;
6052 unicode_subchar |= hex2bin(p[i]);
6056 for (i = 1; i < 8 && nkf_isoctal(p[i]); i++){
6057 unicode_subchar *= 8;
6058 unicode_subchar += hex2bin(p[i]);
6061 w16e_conv(unicode_subchar, &i, &j);
6062 unicode_subchar = i<<8 | j;
6066 #ifdef UTF8_OUTPUT_ENABLE
6067 if (strcmp(long_option[i].name, "ms-ucs-map") == 0){
6068 ms_ucs_map_f = UCS_MAP_MS;
6072 #ifdef UNICODE_NORMALIZATION
6073 if (strcmp(long_option[i].name, "utf8mac-input") == 0){
6078 if (strcmp(long_option[i].name, "prefix=") == 0){
6079 if (nkf_isgraph(p[0])){
6080 for (i = 1; nkf_isgraph(p[i]); i++){
6081 prefix_table[p[i]] = p[0];
6086 #if !defined(PERL_XS) && !defined(WIN32DLL)
6087 fprintf(stderr, "unsupported long option: --%s\n", long_option[i].name);
6092 case 'b': /* buffered mode */
6095 case 'u': /* non bufferd mode */
6098 case 't': /* transparent mode */
6103 } else if (*cp=='2') {
6107 * nkf -t2MB hoge.bin | nkf -t2mB | diff -s - hoge.bin
6115 case 'j': /* JIS output */
6117 output_encoding = nkf_enc_from_index(ISO_2022_JP);
6119 case 'e': /* AT&T EUC output */
6120 output_encoding = nkf_enc_from_index(EUCJP_NKF);
6122 case 's': /* SJIS output */
6123 output_encoding = nkf_enc_from_index(SHIFT_JIS);
6125 case 'l': /* ISO8859 Latin-1 support, no conversion */
6126 iso8859_f = TRUE; /* Only compatible with ISO-2022-JP */
6127 input_encoding = nkf_enc_from_index(ISO_8859_1);
6129 case 'i': /* Kanji IN ESC-$-@/B */
6130 if (*cp=='@'||*cp=='B')
6131 kanji_intro = *cp++;
6133 case 'o': /* ASCII IN ESC-(-J/B/H */
6134 /* ESC ( H was used in initial JUNET messages */
6135 if (*cp=='J'||*cp=='B'||*cp=='H')
6136 ascii_intro = *cp++;
6140 bit:1 katakana->hiragana
6141 bit:2 hiragana->katakana
6143 if ('9'>= *cp && *cp>='0')
6144 hira_f |= (*cp++ -'0');
6151 #if defined(MSDOS) || defined(__OS2__)
6158 show_configuration();
6166 #ifdef UTF8_OUTPUT_ENABLE
6167 case 'w': /* UTF-8 output */
6172 output_encoding = nkf_enc_from_index(UTF_8N);
6174 output_bom_f = TRUE;
6175 output_encoding = nkf_enc_from_index(UTF_8_BOM);
6179 if ('1'== cp[0] && '6'==cp[1]) {
6182 } else if ('3'== cp[0] && '2'==cp[1]) {
6186 output_encoding = nkf_enc_from_index(UTF_8);
6191 output_endian = ENDIAN_LITTLE;
6192 } else if (cp[0] == 'B') {
6197 enc_idx = enc_idx == UTF_16
6198 ? (output_endian == ENDIAN_LITTLE ? UTF_16LE : UTF_16BE)
6199 : (output_endian == ENDIAN_LITTLE ? UTF_32LE : UTF_32BE);
6201 output_bom_f = TRUE;
6202 enc_idx = enc_idx == UTF_16
6203 ? (output_endian == ENDIAN_LITTLE ? UTF_16LE_BOM : UTF_16BE_BOM)
6204 : (output_endian == ENDIAN_LITTLE ? UTF_32LE_BOM : UTF_32BE_BOM);
6206 output_encoding = nkf_enc_from_index(enc_idx);
6210 #ifdef UTF8_INPUT_ENABLE
6211 case 'W': /* UTF input */
6214 input_encoding = nkf_enc_from_index(UTF_8);
6217 if ('1'== cp[0] && '6'==cp[1]) {
6219 input_endian = ENDIAN_BIG;
6221 } else if ('3'== cp[0] && '2'==cp[1]) {
6223 input_endian = ENDIAN_BIG;
6226 input_encoding = nkf_enc_from_index(UTF_8);
6231 input_endian = ENDIAN_LITTLE;
6232 } else if (cp[0] == 'B') {
6234 input_endian = ENDIAN_BIG;
6236 enc_idx = (enc_idx == UTF_16
6237 ? (input_endian == ENDIAN_LITTLE ? UTF_16LE : UTF_16BE)
6238 : (input_endian == ENDIAN_LITTLE ? UTF_32LE : UTF_32BE));
6239 input_encoding = nkf_enc_from_index(enc_idx);
6243 /* Input code assumption */
6244 case 'J': /* ISO-2022-JP input */
6245 input_encoding = nkf_enc_from_index(ISO_2022_JP);
6247 case 'E': /* EUC-JP input */
6248 input_encoding = nkf_enc_from_index(EUCJP_NKF);
6250 case 'S': /* Shift_JIS input */
6251 input_encoding = nkf_enc_from_index(SHIFT_JIS);
6253 case 'Z': /* Convert X0208 alphabet to asii */
6255 bit:0 Convert JIS X 0208 Alphabet to ASCII
6256 bit:1 Convert Kankaku to one space
6257 bit:2 Convert Kankaku to two spaces
6258 bit:3 Convert HTML Entity
6259 bit:4 Convert JIS X 0208 Katakana to JIS X 0201 Katakana
6261 while ('0'<= *cp && *cp <='4') {
6262 alpha_f |= 1 << (*cp++ - '0');
6266 case 'x': /* Convert X0201 kana to X0208 or X0201 Conversion */
6267 x0201_f = FALSE; /* No X0201->X0208 conversion */
6269 ESC-(-I in JIS, EUC, MS Kanji
6270 SI/SO in JIS, EUC, MS Kanji
6271 SS2 in EUC, JIS, not in MS Kanji
6272 MS Kanji (0xa0-0xdf)
6274 ESC-(-I in JIS (0x20-0x5f)
6275 SS2 in EUC (0xa0-0xdf)
6276 0xa0-0xd in MS Kanji (0xa0-0xdf)
6279 case 'X': /* Convert X0201 kana to X0208 */
6282 case 'F': /* prserve new lines */
6283 fold_preserve_f = TRUE;
6284 case 'f': /* folding -f60 or -f */
6287 while('0'<= *cp && *cp <='9') { /* we don't use atoi here */
6289 fold_len += *cp++ - '0';
6291 if (!(0<fold_len && fold_len<BUFSIZ))
6292 fold_len = DEFAULT_FOLD;
6296 while('0'<= *cp && *cp <='9') { /* we don't use atoi here */
6298 fold_margin += *cp++ - '0';
6302 case 'm': /* MIME support */
6303 /* mime_decode_f = TRUE; */ /* this has too large side effects... */
6304 if (*cp=='B'||*cp=='Q') {
6305 mime_decode_mode = *cp++;
6306 mimebuf_f = FIXED_MIME;
6307 } else if (*cp=='N') {
6308 mime_f = TRUE; cp++;
6309 } else if (*cp=='S') {
6310 mime_f = STRICT_MIME; cp++;
6311 } else if (*cp=='0') {
6312 mime_decode_f = FALSE;
6313 mime_f = FALSE; cp++;
6315 mime_f = STRICT_MIME;
6318 case 'M': /* MIME output */
6321 mimeout_f = FIXED_MIME; cp++;
6322 } else if (*cp=='Q') {
6324 mimeout_f = FIXED_MIME; cp++;
6329 case 'B': /* Broken JIS support */
6331 bit:1 allow any x on ESC-(-x or ESC-$-x
6332 bit:2 reset to ascii on NL
6334 if ('9'>= *cp && *cp>='0')
6335 broken_f |= 1<<(*cp++ -'0');
6340 case 'O':/* for Output file */
6344 case 'c':/* add cr code */
6347 case 'd':/* delete cr code */
6350 case 'I': /* ISO-2022-JP output */
6353 case 'L': /* line mode */
6354 if (*cp=='u') { /* unix */
6355 eolmode_f = LF; cp++;
6356 } else if (*cp=='m') { /* mac */
6357 eolmode_f = CR; cp++;
6358 } else if (*cp=='w') { /* windows */
6359 eolmode_f = CRLF; cp++;
6360 } else if (*cp=='0') { /* no conversion */
6361 eolmode_f = 0; cp++;
6366 if ('2' <= *cp && *cp <= '9') {
6369 } else if (*cp == '0' || *cp == '1') {
6378 /* module muliple options in a string are allowed for Perl moudle */
6379 while(*cp && *cp++!='-');
6382 #if !defined(PERL_XS) && !defined(WIN32DLL)
6383 fprintf(stderr, "unknown option: -%c\n", *(cp-1));
6385 /* bogus option but ignored */
6393 #include "nkf32dll.c"
6394 #elif defined(PERL_XS)
6395 #else /* WIN32DLL */
6397 main(int argc, char **argv)
6402 char *outfname = NULL;
6405 #ifdef EASYWIN /*Easy Win */
6406 _BufferSize.y = 400;/*Set Scroll Buffer Size*/
6408 #ifdef DEFAULT_CODE_LOCALE
6409 setlocale(LC_CTYPE, "");
6413 for (argc--,argv++; (argc > 0) && **argv == '-'; argc--, argv++) {
6414 cp = (unsigned char *)*argv;
6419 if (pipe(fds) < 0 || (pid = fork()) < 0){
6430 execvp(argv[1], &argv[1]);
6447 int debug_f_back = debug_f;
6450 int exec_f_back = exec_f;
6453 int x0212_f_back = x0212_f;
6455 int x0213_f_back = x0213_f;
6456 int guess_f_back = guess_f;
6458 guess_f = guess_f_back;
6461 debug_f = debug_f_back;
6464 exec_f = exec_f_back;
6466 x0212_f = x0212_f_back;
6467 x0213_f = x0213_f_back;
6470 if (binmode_f == TRUE)
6471 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
6472 if (freopen("","wb",stdout) == NULL)
6479 setbuf(stdout, (char *) NULL);
6481 setvbuffer(stdout, (char *) stdobuf, IOBUF_SIZE);
6484 if (binmode_f == TRUE)
6485 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
6486 if (freopen("","rb",stdin) == NULL) return (-1);
6490 setvbuffer(stdin, (char *) stdibuf, IOBUF_SIZE);
6494 kanji_convert(stdin);
6495 if (guess_f) print_guessed_code(NULL);
6499 int is_argument_error = FALSE;
6501 input_codename = NULL;
6504 iconv_for_check = 0;
6506 if ((fin = fopen((origfname = *argv++), "r")) == NULL) {
6508 is_argument_error = TRUE;
6516 /* reopen file for stdout */
6517 if (file_out_f == TRUE) {
6520 outfname = nkf_xmalloc(strlen(origfname)
6521 + strlen(".nkftmpXXXXXX")
6523 strcpy(outfname, origfname);
6527 for (i = strlen(outfname); i; --i){
6528 if (outfname[i - 1] == '/'
6529 || outfname[i - 1] == '\\'){
6535 strcat(outfname, "ntXXXXXX");
6537 fd = open(outfname, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL,
6538 S_IREAD | S_IWRITE);
6540 strcat(outfname, ".nkftmpXXXXXX");
6541 fd = mkstemp(outfname);
6544 || (fd_backup = dup(fileno(stdout))) < 0
6545 || dup2(fd, fileno(stdout)) < 0
6556 outfname = "nkf.out";
6559 if(freopen(outfname, "w", stdout) == NULL) {
6563 if (binmode_f == TRUE) {
6564 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
6565 if (freopen("","wb",stdout) == NULL)
6572 if (binmode_f == TRUE)
6573 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
6574 if (freopen("","rb",fin) == NULL)
6579 setvbuffer(fin, (char *) stdibuf, IOBUF_SIZE);
6583 char *filename = NULL;
6585 if (nfiles > 1) filename = origfname;
6586 if (guess_f) print_guessed_code(filename);
6592 #if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) && !defined(__WATCOMC__) && !defined(__EMX__) && !defined(__OS2__) && !defined(__DJGPP__)
6600 if (dup2(fd_backup, fileno(stdout)) < 0){
6603 if (stat(origfname, &sb)) {
6604 fprintf(stderr, "Can't stat %s\n", origfname);
6606 /*
\e$B%Q!<%_%C%7%g%s$rI|85
\e(B */
6607 if (chmod(outfname, sb.st_mode)) {
6608 fprintf(stderr, "Can't set permission %s\n", outfname);
6611 /*
\e$B%?%$%`%9%?%s%W$rI|85
\e(B */
6612 if(preserve_time_f){
6613 #if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) && !defined(__WATCOMC__) && !defined(__EMX__) && !defined(__OS2__) && !defined(__DJGPP__)
6614 tb[0] = tb[1] = sb.st_mtime;
6615 if (utime(outfname, tb)) {
6616 fprintf(stderr, "Can't set timestamp %s\n", outfname);
6619 tb.actime = sb.st_atime;
6620 tb.modtime = sb.st_mtime;
6621 if (utime(outfname, &tb)) {
6622 fprintf(stderr, "Can't set timestamp %s\n", outfname);
6627 char *backup_filename = get_backup_filename(backup_suffix, origfname);
6629 unlink(backup_filename);
6631 if (rename(origfname, backup_filename)) {
6632 perror(backup_filename);
6633 fprintf(stderr, "Can't rename %s to %s\n",
6634 origfname, backup_filename);
6636 nkf_xfree(backup_filename);
6639 if (unlink(origfname)){
6644 if (rename(outfname, origfname)) {
6646 fprintf(stderr, "Can't rename %s to %s\n",
6647 outfname, origfname);
6649 nkf_xfree(outfname);
6654 if (is_argument_error)
6657 #ifdef EASYWIN /*Easy Win */
6658 if (file_out_f == FALSE)
6659 scanf("%d",&end_check);
6662 #else /* for Other OS */
6663 if (file_out_f == TRUE)
6665 #endif /*Easy Win */
6668 #endif /* WIN32DLL */