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?Q?",
3825 #if defined(UTF8_INPUT_ENABLE)
3826 (const unsigned char *)"\075?UTF-8?B?",
3827 (const unsigned char *)"\075?UTF-8?Q?",
3829 (const unsigned char *)"\075?US-ASCII?Q?",
3834 /*
\e$B3:Ev$9$k%3!<%I$NM%@hEY$r>e$2$k$?$a$NL\0u
\e(B */
3835 nkf_char (*mime_priority_func[])(nkf_char c2, nkf_char c1, nkf_char c0) = {
3836 e_iconv, s_iconv, 0, 0, 0, 0,
3837 #if defined(UTF8_INPUT_ENABLE)
3843 static const nkf_char mime_encode[] = {
3844 EUC_JP, SHIFT_JIS, ISO_8859_1, ISO_8859_1, JIS_X_0208, JIS_X_0201_1976_K,
3845 #if defined(UTF8_INPUT_ENABLE)
3852 static const nkf_char mime_encode_method[] = {
3853 'B', 'B','Q', 'B', 'B', 'Q',
3854 #if defined(UTF8_INPUT_ENABLE)
3862 /* MIME preprocessor fifo */
3864 #define MIME_BUF_SIZE (1024) /* 2^n ring buffer */
3865 #define MIME_BUF_MASK (MIME_BUF_SIZE-1)
3866 #define mime_input_buf(n) mime_input_state.buf[(n)&MIME_BUF_MASK]
3868 unsigned char buf[MIME_BUF_SIZE];
3870 unsigned int last; /* decoded */
3871 unsigned int input; /* undecoded */
3873 static nkf_char (*mime_iconv_back)(nkf_char c2,nkf_char c1,nkf_char c0) = NULL;
3875 #define MAXRECOVER 20
3878 mime_input_buf_unshift(nkf_char c)
3880 mime_input_buf(--mime_input_state.top) = (unsigned char)c;
3884 mime_ungetc(nkf_char c, FILE *f)
3886 mime_input_buf_unshift(c);
3891 mime_ungetc_buf(nkf_char c, FILE *f)
3894 (*i_mungetc_buf)(c,f);
3896 mime_input_buf(--mime_input_state.input) = (unsigned char)c;
3901 mime_getc_buf(FILE *f)
3903 /* we don't keep eof of mime_input_buf, becase it contains ?= as
3904 a terminator. It was checked in mime_integrity. */
3905 return ((mimebuf_f)?
3906 (*i_mgetc_buf)(f):mime_input_buf(mime_input_state.input++));
3910 switch_mime_getc(void)
3912 if (i_getc!=mime_getc) {
3913 i_mgetc = i_getc; i_getc = mime_getc;
3914 i_mungetc = i_ungetc; i_ungetc = mime_ungetc;
3915 if(mime_f==STRICT_MIME) {
3916 i_mgetc_buf = i_mgetc; i_mgetc = mime_getc_buf;
3917 i_mungetc_buf = i_mungetc; i_mungetc = mime_ungetc_buf;
3923 unswitch_mime_getc(void)
3925 if(mime_f==STRICT_MIME) {
3926 i_mgetc = i_mgetc_buf;
3927 i_mungetc = i_mungetc_buf;
3930 i_ungetc = i_mungetc;
3931 if(mime_iconv_back)set_iconv(FALSE, mime_iconv_back);
3932 mime_iconv_back = NULL;
3936 mime_integrity(FILE *f, const unsigned char *p)
3940 /* In buffered mode, read until =? or NL or buffer full
3942 mime_input_state.input = mime_input_state.top;
3943 mime_input_state.last = mime_input_state.top;
3945 while(*p) mime_input_buf(mime_input_state.input++) = *p++;
3947 q = mime_input_state.input;
3948 while((c=(*i_getc)(f))!=EOF) {
3949 if (((mime_input_state.input-mime_input_state.top)&MIME_BUF_MASK)==0) {
3950 break; /* buffer full */
3952 if (c=='=' && d=='?') {
3953 /* checked. skip header, start decode */
3954 mime_input_buf(mime_input_state.input++) = (unsigned char)c;
3955 /* mime_last_input = mime_input_state.input; */
3956 mime_input_state.input = q;
3960 if (!( (c=='+'||c=='/'|| c=='=' || c=='?' || is_alnum(c))))
3962 /* Should we check length mod 4? */
3963 mime_input_buf(mime_input_state.input++) = (unsigned char)c;
3966 /* In case of Incomplete MIME, no MIME decode */
3967 mime_input_buf(mime_input_state.input++) = (unsigned char)c;
3968 mime_input_state.last = mime_input_state.input; /* point undecoded buffer */
3969 mime_decode_mode = 1; /* no decode on mime_input_buf last in mime_getc */
3970 switch_mime_getc(); /* anyway we need buffered getc */
3975 mime_begin_strict(FILE *f)
3979 const unsigned char *p,*q;
3980 nkf_char r[MAXRECOVER]; /* recovery buffer, max mime pattern length */
3982 mime_decode_mode = FALSE;
3983 /* =? has been checked */
3985 p = mime_pattern[j];
3988 for(i=2;p[i]>SP;i++) { /* start at =? */
3989 if (((r[i] = c1 = (*i_getc)(f))==EOF) || nkf_toupper(c1) != p[i]) {
3990 /* pattern fails, try next one */
3992 while (mime_pattern[++j]) {
3993 p = mime_pattern[j];
3994 for(k=2;k<i;k++) /* assume length(p) > i */
3995 if (p[k]!=q[k]) break;
3996 if (k==i && nkf_toupper(c1)==p[k]) break;
3998 p = mime_pattern[j];
3999 if (p) continue; /* found next one, continue */
4000 /* all fails, output from recovery buffer */
4008 mime_decode_mode = p[i-2];
4010 mime_iconv_back = iconv;
4011 set_iconv(FALSE, mime_priority_func[j]);
4012 clr_code_score(find_inputcode_byfunc(mime_priority_func[j]), SCORE_iMIME);
4014 if (mime_decode_mode=='B') {
4015 mimebuf_f = unbuf_f;
4017 /* do MIME integrity check */
4018 return mime_integrity(f,mime_pattern[j]);
4032 /* In NONSTRICT mode, only =? is checked. In case of failure, we */
4033 /* re-read and convert again from mime_buffer. */
4035 /* =? has been checked */
4036 k = mime_input_state.last;
4037 mime_input_buf(mime_input_state.last++)='='; mime_input_buf(mime_input_state.last++)='?';
4038 for(i=2;i<MAXRECOVER;i++) { /* start at =? */
4039 /* We accept any character type even if it is breaked by new lines */
4040 c1 = (*i_getc)(f); mime_input_buf(mime_input_state.last++) = (unsigned char)c1;
4041 if (c1==LF||c1==SP||c1==CR||
4042 c1=='-'||c1=='_'||is_alnum(c1)) continue;
4044 /* Failed. But this could be another MIME preemble */
4046 mime_input_state.last--;
4052 c1 = (*i_getc)(f); mime_input_buf(mime_input_state.last++) = (unsigned char)c1;
4053 if (!(++i<MAXRECOVER) || c1==EOF) break;
4054 if (c1=='b'||c1=='B') {
4055 mime_decode_mode = 'B';
4056 } else if (c1=='q'||c1=='Q') {
4057 mime_decode_mode = 'Q';
4061 c1 = (*i_getc)(f); mime_input_buf(mime_input_state.last++) = (unsigned char)c1;
4062 if (!(++i<MAXRECOVER) || c1==EOF) break;
4064 mime_decode_mode = FALSE;
4070 if (!mime_decode_mode) {
4071 /* false MIME premble, restart from mime_buffer */
4072 mime_decode_mode = 1; /* no decode, but read from the mime_buffer */
4073 /* Since we are in MIME mode until buffer becomes empty, */
4074 /* we never go into mime_begin again for a while. */
4077 /* discard mime preemble, and goto MIME mode */
4078 mime_input_state.last = k;
4079 /* do no MIME integrity check */
4080 return c1; /* used only for checking EOF */
4091 debug(const char *str)
4094 fprintf(stderr, "%s\n", str ? str : "NULL");
4100 set_input_codename(const char *codename)
4102 if (!input_codename) {
4103 input_codename = codename;
4104 } else if (strcmp(codename, input_codename) != 0) {
4105 input_codename = "";
4110 get_guessed_code(void)
4112 if (input_codename && !*input_codename) {
4113 input_codename = "BINARY";
4115 struct input_code *p = find_inputcode_byfunc(iconv);
4116 if (!input_codename) {
4117 input_codename = "ASCII";
4118 } else if (strcmp(input_codename, "Shift_JIS") == 0) {
4119 if (p->score & (SCORE_DEPEND|SCORE_CP932))
4120 input_codename = "CP932";
4121 } else if (strcmp(input_codename, "EUC-JP") == 0) {
4122 if (p->score & (SCORE_X0212))
4123 input_codename = "EUCJP-MS";
4124 else if (p->score & (SCORE_DEPEND|SCORE_CP932))
4125 input_codename = "CP51932";
4126 } else if (strcmp(input_codename, "ISO-2022-JP") == 0) {
4127 if (p->score & (SCORE_KANA))
4128 input_codename = "CP50221";
4129 else if (p->score & (SCORE_DEPEND|SCORE_CP932))
4130 input_codename = "CP50220";
4133 return input_codename;
4136 #if !defined(PERL_XS) && !defined(WIN32DLL)
4138 print_guessed_code(char *filename)
4140 if (filename != NULL) printf("%s: ", filename);
4141 if (input_codename && !*input_codename) {
4144 input_codename = get_guessed_code();
4146 printf("%s\n", input_codename);
4150 input_eol == CR ? " (CR)" :
4151 input_eol == LF ? " (LF)" :
4152 input_eol == CRLF ? " (CRLF)" :
4153 input_eol == EOF ? " (MIXED NL)" :
4163 hex_getc(nkf_char ch, FILE *f, nkf_char (*g)(FILE *f), nkf_char (*u)(nkf_char c, FILE *f))
4165 nkf_char c1, c2, c3;
4171 if (!nkf_isxdigit(c2)){
4176 if (!nkf_isxdigit(c3)){
4181 return (hex2bin(c2) << 4) | hex2bin(c3);
4187 return hex_getc(':', f, i_cgetc, i_cungetc);
4191 cap_ungetc(nkf_char c, FILE *f)
4193 return (*i_cungetc)(c, f);
4199 return hex_getc('%', f, i_ugetc, i_uungetc);
4203 url_ungetc(nkf_char c, FILE *f)
4205 return (*i_uungetc)(c, f);
4209 #ifdef NUMCHAR_OPTION
4211 numchar_getc(FILE *f)
4213 nkf_char (*g)(FILE *) = i_ngetc;
4214 nkf_char (*u)(nkf_char c ,FILE *f) = i_nungetc;
4225 if (buf[i] == 'x' || buf[i] == 'X'){
4226 for (j = 0; j < 7; j++){
4228 if (!nkf_isxdigit(buf[i])){
4235 c |= hex2bin(buf[i]);
4238 for (j = 0; j < 8; j++){
4242 if (!nkf_isdigit(buf[i])){
4249 c += hex2bin(buf[i]);
4255 return nkf_char_unicode_new(c);
4265 numchar_ungetc(nkf_char c, FILE *f)
4267 return (*i_nungetc)(c, f);
4271 #ifdef UNICODE_NORMALIZATION
4276 nkf_char (*g)(FILE *f) = i_nfc_getc;
4277 nkf_char (*u)(nkf_char c ,FILE *f) = i_nfc_ungetc;
4278 nkf_buf_t *buf = nkf_state->nfc_buf;
4279 const unsigned char *array;
4280 int lower=0, upper=NORMALIZATION_TABLE_LENGTH-1;
4281 nkf_char c = (*g)(f);
4283 if (c == EOF || c > 0xFF || (c & 0xc0) == 0x80) return c;
4285 nkf_buf_push(buf, c);
4287 while (lower <= upper) {
4288 int mid = (lower+upper) / 2;
4290 array = normalization_table[mid].nfd;
4291 for (len=0; len < NORMALIZATION_TABLE_NFD_LENGTH && array[len]; len++) {
4292 if (len >= nkf_buf_length(buf)) {
4296 lower = 1, upper = 0;
4299 nkf_buf_push(buf, c);
4301 if (array[len] != nkf_buf_at(buf, len)) {
4302 if (array[len] < nkf_buf_at(buf, len)) lower = mid + 1;
4303 else upper = mid - 1;
4310 array = normalization_table[mid].nfc;
4312 for (i=0; i < NORMALIZATION_TABLE_NFC_LENGTH && array[i]; i++)
4313 nkf_buf_push(buf, array[i]);
4317 } while (lower <= upper);
4319 while (nkf_buf_length(buf) > 1) (*u)(nkf_buf_pop(buf), f);
4320 c = nkf_buf_pop(buf);
4326 nfc_ungetc(nkf_char c, FILE *f)
4328 return (*i_nfc_ungetc)(c, f);
4330 #endif /* UNICODE_NORMALIZATION */
4334 base64decode(nkf_char c)
4339 i = c - 'A'; /* A..Z 0-25 */
4340 } else if (c == '_') {
4341 i = '?' /* 63 */ ; /* _ 63 */
4343 i = c - 'G' /* - 'a' + 26 */ ; /* a..z 26-51 */
4345 } else if (c > '/') {
4346 i = c - '0' + '4' /* - '0' + 52 */ ; /* 0..9 52-61 */
4347 } else if (c == '+' || c == '-') {
4348 i = '>' /* 62 */ ; /* + and - 62 */
4350 i = '?' /* 63 */ ; /* / 63 */
4358 nkf_char c1, c2, c3, c4, cc;
4359 nkf_char t1, t2, t3, t4, mode, exit_mode;
4360 nkf_char lwsp_count;
4363 nkf_char lwsp_size = 128;
4365 if (mime_input_state.top != mime_input_state.last) { /* Something is in FIFO */
4366 return mime_input_buf(mime_input_state.top++);
4368 if (mime_decode_mode==1 ||mime_decode_mode==FALSE) {
4369 mime_decode_mode=FALSE;
4370 unswitch_mime_getc();
4371 return (*i_getc)(f);
4374 if (mimebuf_f == FIXED_MIME)
4375 exit_mode = mime_decode_mode;
4378 if (mime_decode_mode == 'Q') {
4379 if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF);
4381 if (c1=='_' && mimebuf_f != FIXED_MIME) return SP;
4382 if (c1<=SP || DEL<=c1) {
4383 mime_decode_mode = exit_mode; /* prepare for quit */
4386 if (c1!='=' && (c1!='?' || mimebuf_f == FIXED_MIME)) {
4390 mime_decode_mode = exit_mode; /* prepare for quit */
4391 if ((c2 = (*i_mgetc)(f)) == EOF) return (EOF);
4392 if (c1=='?'&&c2=='=' && mimebuf_f != FIXED_MIME) {
4393 /* end Q encoding */
4394 input_mode = exit_mode;
4396 lwsp_buf = nkf_xmalloc((lwsp_size+5)*sizeof(char));
4397 while ((c1=(*i_getc)(f))!=EOF) {
4402 if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) {
4410 if ((c1=(*i_getc)(f))!=EOF && c1 == LF) {
4411 if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) {
4426 lwsp_buf[lwsp_count] = (unsigned char)c1;
4427 if (lwsp_count++>lwsp_size){
4429 lwsp_buf_new = nkf_xrealloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
4430 lwsp_buf = lwsp_buf_new;
4436 if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SP && lwsp_buf[lwsp_count-1] != TAB))) {
4438 for(lwsp_count--;lwsp_count>0;lwsp_count--)
4439 i_ungetc(lwsp_buf[lwsp_count],f);
4442 nkf_xfree(lwsp_buf);
4445 if (c1=='='&&c2<SP) { /* this is soft wrap */
4446 while((c1 = (*i_mgetc)(f)) <=SP) {
4447 if (c1 == EOF) return (EOF);
4449 mime_decode_mode = 'Q'; /* still in MIME */
4450 goto restart_mime_q;
4453 mime_decode_mode = 'Q'; /* still in MIME */
4457 if ((c3 = (*i_mgetc)(f)) == EOF) return (EOF);
4458 if (c2<=SP) return c2;
4459 mime_decode_mode = 'Q'; /* still in MIME */
4460 return ((hex2bin(c2)<<4) + hex2bin(c3));
4463 if (mime_decode_mode != 'B') {
4464 mime_decode_mode = FALSE;
4465 return (*i_mgetc)(f);
4469 /* Base64 encoding */
4471 MIME allows line break in the middle of
4472 Base64, but we are very pessimistic in decoding
4473 in unbuf mode because MIME encoded code may broken by
4474 less or editor's control sequence (such as ESC-[-K in unbuffered
4475 mode. ignore incomplete MIME.
4477 mode = mime_decode_mode;
4478 mime_decode_mode = exit_mode; /* prepare for quit */
4480 while ((c1 = (*i_mgetc)(f))<=SP) {
4485 if ((c2 = (*i_mgetc)(f))<=SP) {
4488 if (mime_f != STRICT_MIME) goto mime_c2_retry;
4489 if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
4492 if ((c1 == '?') && (c2 == '=')) {
4495 lwsp_buf = nkf_xmalloc((lwsp_size+5)*sizeof(char));
4496 while ((c1=(*i_getc)(f))!=EOF) {
4501 if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) {
4509 if ((c1=(*i_getc)(f))!=EOF) {
4513 } else if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) {
4528 lwsp_buf[lwsp_count] = (unsigned char)c1;
4529 if (lwsp_count++>lwsp_size){
4531 lwsp_buf_new = nkf_xrealloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
4532 lwsp_buf = lwsp_buf_new;
4538 if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SP && lwsp_buf[lwsp_count-1] != TAB))) {
4540 for(lwsp_count--;lwsp_count>0;lwsp_count--)
4541 i_ungetc(lwsp_buf[lwsp_count],f);
4544 nkf_xfree(lwsp_buf);
4548 if ((c3 = (*i_mgetc)(f))<=SP) {
4551 if (mime_f != STRICT_MIME) goto mime_c3_retry;
4552 if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
4556 if ((c4 = (*i_mgetc)(f))<=SP) {
4559 if (mime_f != STRICT_MIME) goto mime_c4_retry;
4560 if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
4564 mime_decode_mode = mode; /* still in MIME sigh... */
4566 /* BASE 64 decoding */
4568 t1 = 0x3f & base64decode(c1);
4569 t2 = 0x3f & base64decode(c2);
4570 t3 = 0x3f & base64decode(c3);
4571 t4 = 0x3f & base64decode(c4);
4572 cc = ((t1 << 2) & 0x0fc) | ((t2 >> 4) & 0x03);
4574 mime_input_buf(mime_input_state.last++) = (unsigned char)cc;
4575 cc = ((t2 << 4) & 0x0f0) | ((t3 >> 2) & 0x0f);
4577 mime_input_buf(mime_input_state.last++) = (unsigned char)cc;
4578 cc = ((t3 << 6) & 0x0c0) | (t4 & 0x3f);
4580 mime_input_buf(mime_input_state.last++) = (unsigned char)cc;
4585 return mime_input_buf(mime_input_state.top++);
4588 static const char basis_64[] =
4589 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
4591 #define MIMEOUT_BUF_LENGTH 74
4593 char buf[MIMEOUT_BUF_LENGTH+1];
4597 /*nkf_char mime_lastchar2, mime_lastchar1;*/
4600 open_mime(nkf_char mode)
4602 const unsigned char *p;
4605 p = mime_pattern[0];
4606 for(i=0;mime_pattern[i];i++) {
4607 if (mode == mime_encode[i]) {
4608 p = mime_pattern[i];
4612 mimeout_mode = mime_encode_method[i];
4614 if (base64_count>45) {
4615 if (mimeout_state.count>0 && nkf_isblank(mimeout_state.buf[i])){
4616 (*o_mputc)(mimeout_state.buf[i]);
4619 PUT_NEWLINE((*o_mputc));
4622 if (mimeout_state.count>0 && nkf_isspace(mimeout_state.buf[i])) {
4626 for (;i<mimeout_state.count;i++) {
4627 if (nkf_isspace(mimeout_state.buf[i])) {
4628 (*o_mputc)(mimeout_state.buf[i]);
4638 j = mimeout_state.count;
4639 mimeout_state.count = 0;
4641 mime_putc(mimeout_state.buf[i]);
4646 mime_prechar(nkf_char c2, nkf_char c1)
4648 if (mimeout_mode > 0){
4650 if (base64_count + mimeout_state.count/3*4> 73){
4651 (*o_base64conv)(EOF,0);
4652 OCONV_NEWLINE((*o_base64conv));
4653 (*o_base64conv)(0,SP);
4657 if (!(c2 == 0 && (c1 == CR || c1 == LF)) &&
4658 base64_count + mimeout_state.count/3*4> 66) {
4659 (*o_base64conv)(EOF,0);
4660 OCONV_NEWLINE((*o_base64conv));
4661 (*o_base64conv)(0,SP);
4667 if (c2 != EOF && base64_count + mimeout_state.count/3*4> 60) {
4668 mimeout_mode = (output_mode==ASCII ||output_mode == ISO_8859_1) ? 'Q' : 'B';
4669 open_mime(output_mode);
4670 (*o_base64conv)(EOF,0);
4671 OCONV_NEWLINE((*o_base64conv));
4672 (*o_base64conv)(0,SP);
4691 switch(mimeout_mode) {
4696 (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0x3)<< 4)]);
4702 (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0xF) << 2)]);
4707 if (mimeout_mode > 0) {
4708 if (mimeout_f!=FIXED_MIME) {
4710 } else if (mimeout_mode != 'Q')
4716 mimeout_addchar(nkf_char c)
4718 switch(mimeout_mode) {
4723 } else if(!nkf_isalnum(c)) {
4725 (*o_mputc)(bin2hex(((c>>4)&0xf)));
4726 (*o_mputc)(bin2hex((c&0xf)));
4734 nkf_state->mimeout_state=c;
4735 (*o_mputc)(basis_64[c>>2]);
4740 (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0x3)<< 4) | ((c & 0xF0) >> 4)]);
4741 nkf_state->mimeout_state=c;
4746 (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0xF) << 2) | ((c & 0xC0) >>6)]);
4747 (*o_mputc)(basis_64[c & 0x3F]);
4759 mime_putc(nkf_char c)
4764 if (mimeout_f == FIXED_MIME){
4765 if (mimeout_mode == 'Q'){
4766 if (base64_count > 71){
4767 if (c!=CR && c!=LF) {
4769 PUT_NEWLINE((*o_mputc));
4774 if (base64_count > 71){
4776 PUT_NEWLINE((*o_mputc));
4779 if (c == EOF) { /* c==EOF */
4783 if (c != EOF) { /* c==EOF */
4789 /* mimeout_f != FIXED_MIME */
4791 if (c == EOF) { /* c==EOF */
4792 if (mimeout_mode == -1 && mimeout_state.count > 1) open_mime(output_mode);
4793 j = mimeout_state.count;
4794 mimeout_state.count = 0;
4796 if (mimeout_mode > 0) {
4797 if (!nkf_isblank(mimeout_state.buf[j-1])) {
4799 if (nkf_isspace(mimeout_state.buf[i]) && base64_count < 71){
4802 mimeout_addchar(mimeout_state.buf[i]);
4806 mimeout_addchar(mimeout_state.buf[i]);
4810 mimeout_addchar(mimeout_state.buf[i]);
4816 mimeout_addchar(mimeout_state.buf[i]);
4822 if (mimeout_state.count > 0){
4823 lastchar = mimeout_state.buf[mimeout_state.count - 1];
4828 if (mimeout_mode=='Q') {
4829 if (c <= DEL && (output_mode==ASCII ||output_mode == ISO_8859_1)) {
4830 if (c == CR || c == LF) {
4835 } else if (c <= SP) {
4837 if (base64_count > 70) {
4838 PUT_NEWLINE((*o_mputc));
4841 if (!nkf_isblank(c)) {
4846 if (base64_count > 70) {
4848 PUT_NEWLINE((*o_mputc));
4851 open_mime(output_mode);
4853 if (!nkf_noescape_mime(c)) {
4866 if (mimeout_mode <= 0) {
4867 if (c <= DEL && (output_mode==ASCII || output_mode == ISO_8859_1 ||
4868 output_mode == UTF_8)) {
4869 if (nkf_isspace(c)) {
4871 if (mimeout_mode == -1) {
4874 if (c==CR || c==LF) {
4876 open_mime(output_mode);
4882 for (i=0;i<mimeout_state.count;i++) {
4883 (*o_mputc)(mimeout_state.buf[i]);
4884 if (mimeout_state.buf[i] == CR || mimeout_state.buf[i] == LF){
4895 mimeout_state.buf[0] = (char)c;
4896 mimeout_state.count = 1;
4898 if (base64_count > 1
4899 && base64_count + mimeout_state.count > 76
4900 && mimeout_state.buf[0] != CR && mimeout_state.buf[0] != LF){
4901 static const char *str = "boundary=\"";
4902 static int len = 10;
4905 for (; i < mimeout_state.count - len; ++i) {
4906 if (!strncmp(mimeout_state.buf+i, str, len)) {
4912 if (i == 0 || i == mimeout_state.count - len) {
4913 PUT_NEWLINE((*o_mputc));
4915 if (!nkf_isspace(mimeout_state.buf[0])){
4922 for (j = 0; j <= i; ++j) {
4923 (*o_mputc)(mimeout_state.buf[j]);
4925 PUT_NEWLINE((*o_mputc));
4927 for (; j <= mimeout_state.count; ++j) {
4928 mimeout_state.buf[j - i] = mimeout_state.buf[j];
4930 mimeout_state.count -= i;
4933 mimeout_state.buf[mimeout_state.count++] = (char)c;
4934 if (mimeout_state.count>MIMEOUT_BUF_LENGTH) {
4935 open_mime(output_mode);
4940 if (lastchar==CR || lastchar == LF){
4941 for (i=0;i<mimeout_state.count;i++) {
4942 (*o_mputc)(mimeout_state.buf[i]);
4945 mimeout_state.count = 0;
4948 for (i=0;i<mimeout_state.count-1;i++) {
4949 (*o_mputc)(mimeout_state.buf[i]);
4952 mimeout_state.buf[0] = SP;
4953 mimeout_state.count = 1;
4955 open_mime(output_mode);
4958 /* mimeout_mode == 'B', 1, 2 */
4959 if (c <= DEL && (output_mode==ASCII || output_mode == ISO_8859_1 ||
4960 output_mode == UTF_8)) {
4961 if (lastchar == CR || lastchar == LF){
4962 if (nkf_isblank(c)) {
4963 for (i=0;i<mimeout_state.count;i++) {
4964 mimeout_addchar(mimeout_state.buf[i]);
4966 mimeout_state.count = 0;
4969 for (i=0;i<mimeout_state.count;i++) {
4970 (*o_mputc)(mimeout_state.buf[i]);
4973 mimeout_state.count = 0;
4975 mimeout_state.buf[mimeout_state.count++] = (char)c;
4978 if (nkf_isspace(c)) {
4979 for (i=0;i<mimeout_state.count;i++) {
4980 if (SP<mimeout_state.buf[i] && mimeout_state.buf[i]<DEL) {
4982 for (i=0;i<mimeout_state.count;i++) {
4983 (*o_mputc)(mimeout_state.buf[i]);
4986 mimeout_state.count = 0;
4989 mimeout_state.buf[mimeout_state.count++] = (char)c;
4990 if (mimeout_state.count>MIMEOUT_BUF_LENGTH) {
4992 for (i=0;i<mimeout_state.count;i++) {
4993 (*o_mputc)(mimeout_state.buf[i]);
4996 mimeout_state.count = 0;
5000 if (mimeout_state.count>0 && SP<c && c!='=') {
5001 mimeout_state.buf[mimeout_state.count++] = (char)c;
5002 if (mimeout_state.count>MIMEOUT_BUF_LENGTH) {
5003 j = mimeout_state.count;
5004 mimeout_state.count = 0;
5006 mimeout_addchar(mimeout_state.buf[i]);
5013 if (mimeout_state.count>0) {
5014 j = mimeout_state.count;
5015 mimeout_state.count = 0;
5017 if (mimeout_state.buf[i]==CR || mimeout_state.buf[i]==LF)
5019 mimeout_addchar(mimeout_state.buf[i]);
5025 (*o_mputc)(mimeout_state.buf[i]);
5027 open_mime(output_mode);
5034 base64_conv(nkf_char c2, nkf_char c1)
5036 mime_prechar(c2, c1);
5037 (*o_base64conv)(c2,c1);
5041 typedef struct nkf_iconv_t {
5044 size_t input_buffer_size;
5045 char *output_buffer;
5046 size_t output_buffer_size;
5050 nkf_iconv_new(char *tocode, char *fromcode)
5052 nkf_iconv_t converter;
5054 converter->input_buffer_size = IOBUF_SIZE;
5055 converter->input_buffer = nkf_xmalloc(converter->input_buffer_size);
5056 converter->output_buffer_size = IOBUF_SIZE * 2;
5057 converter->output_buffer = nkf_xmalloc(converter->output_buffer_size);
5058 converter->cd = iconv_open(tocode, fromcode);
5059 if (converter->cd == (iconv_t)-1)
5063 perror(fprintf("iconv doesn't support %s to %s conversion.", fromcode, tocode));
5066 perror("can't iconv_open");
5072 nkf_iconv_convert(nkf_iconv_t *converter, FILE *input)
5074 size_t invalid = (size_t)0;
5075 char *input_buffer = converter->input_buffer;
5076 size_t input_length = (size_t)0;
5077 char *output_buffer = converter->output_buffer;
5078 size_t output_length = converter->output_buffer_size;
5083 while ((c = (*i_getc)(f)) != EOF) {
5084 input_buffer[input_length++] = c;
5085 if (input_length < converter->input_buffer_size) break;
5089 size_t ret = iconv(converter->cd, &input_buffer, &input_length, &output_buffer, &output_length);
5090 while (output_length-- > 0) {
5091 (*o_putc)(output_buffer[converter->output_buffer_size-output_length]);
5093 if (ret == (size_t) - 1) {
5096 if (input_buffer != converter->input_buffer)
5097 memmove(converter->input_buffer, input_buffer, input_length);
5100 converter->output_buffer_size *= 2;
5101 output_buffer = realloc(converter->outbuf, converter->output_buffer_size);
5102 if (output_buffer == NULL) {
5103 perror("can't realloc");
5106 converter->output_buffer = output_buffer;
5109 perror("can't iconv");
5122 nkf_iconv_close(nkf_iconv_t *convert)
5124 nkf_xfree(converter->inbuf);
5125 nkf_xfree(converter->outbuf);
5126 iconv_close(converter->cd);
5135 struct input_code *p = input_code_list;
5147 mime_f = MIME_DECODE_DEFAULT;
5148 mime_decode_f = FALSE;
5153 x0201_f = X0201_DEFAULT;
5154 iso2022jp_f = FALSE;
5155 #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
5156 ms_ucs_map_f = UCS_MAP_ASCII;
5158 #ifdef UTF8_INPUT_ENABLE
5159 no_cp932ext_f = FALSE;
5160 no_best_fit_chars_f = FALSE;
5161 encode_fallback = NULL;
5162 unicode_subchar = '?';
5163 input_endian = ENDIAN_BIG;
5165 #ifdef UTF8_OUTPUT_ENABLE
5166 output_bom_f = FALSE;
5167 output_endian = ENDIAN_BIG;
5169 #ifdef UNICODE_NORMALIZATION
5185 #ifdef SHIFTJIS_CP932
5195 for (i = 0; i < 256; i++){
5196 prefix_table[i] = 0;
5200 mimeout_state.count = 0;
5205 fold_preserve_f = FALSE;
5208 kanji_intro = DEFAULT_J;
5209 ascii_intro = DEFAULT_R;
5210 fold_margin = FOLD_MARGIN;
5211 o_zconv = no_connection;
5212 o_fconv = no_connection;
5213 o_eol_conv = no_connection;
5214 o_rot_conv = no_connection;
5215 o_hira_conv = no_connection;
5216 o_base64conv = no_connection;
5217 o_iso2022jp_check_conv = no_connection;
5220 i_ungetc = std_ungetc;
5222 i_bungetc = std_ungetc;
5225 i_mungetc = std_ungetc;
5226 i_mgetc_buf = std_getc;
5227 i_mungetc_buf = std_ungetc;
5228 output_mode = ASCII;
5230 mime_decode_mode = FALSE;
5236 z_prev2=0,z_prev1=0;
5238 iconv_for_check = 0;
5240 input_codename = NULL;
5241 input_encoding = NULL;
5242 output_encoding = NULL;
5250 module_connection(void)
5252 if (input_encoding) set_input_encoding(input_encoding);
5253 if (!output_encoding) {
5254 output_encoding = nkf_default_encoding();
5256 if (!output_encoding) {
5257 if (noout_f || guess_f) output_encoding = nkf_enc_from_index(ISO_2022_JP);
5260 set_output_encoding(output_encoding);
5261 oconv = nkf_enc_to_oconv(output_encoding);
5263 if (nkf_enc_unicode_p(output_encoding))
5264 output_mode = UTF_8;
5266 /* replace continucation module, from output side */
5268 /* output redicrection */
5270 if (noout_f || guess_f){
5277 if (mimeout_f == TRUE) {
5278 o_base64conv = oconv; oconv = base64_conv;
5280 /* base64_count = 0; */
5283 if (eolmode_f || guess_f) {
5284 o_eol_conv = oconv; oconv = eol_conv;
5287 o_rot_conv = oconv; oconv = rot_conv;
5290 o_iso2022jp_check_conv = oconv; oconv = iso2022jp_check_conv;
5293 o_hira_conv = oconv; oconv = hira_conv;
5296 o_fconv = oconv; oconv = fold_conv;
5299 if (alpha_f || x0201_f) {
5300 o_zconv = oconv; oconv = z_conv;
5304 i_ungetc = std_ungetc;
5305 /* input redicrection */
5308 i_cgetc = i_getc; i_getc = cap_getc;
5309 i_cungetc = i_ungetc; i_ungetc= cap_ungetc;
5312 i_ugetc = i_getc; i_getc = url_getc;
5313 i_uungetc = i_ungetc; i_ungetc= url_ungetc;
5316 #ifdef NUMCHAR_OPTION
5318 i_ngetc = i_getc; i_getc = numchar_getc;
5319 i_nungetc = i_ungetc; i_ungetc= numchar_ungetc;
5322 #ifdef UNICODE_NORMALIZATION
5324 i_nfc_getc = i_getc; i_getc = nfc_getc;
5325 i_nfc_ungetc = i_ungetc; i_ungetc= nfc_ungetc;
5328 if (mime_f && mimebuf_f==FIXED_MIME) {
5329 i_mgetc = i_getc; i_getc = mime_getc;
5330 i_mungetc = i_ungetc; i_ungetc = mime_ungetc;
5333 i_bgetc = i_getc; i_getc = broken_getc;
5334 i_bungetc = i_ungetc; i_ungetc = broken_ungetc;
5336 if (input_encoding) {
5337 set_iconv(-TRUE, nkf_enc_to_iconv(input_encoding));
5339 set_iconv(FALSE, e_iconv);
5343 struct input_code *p = input_code_list;
5352 Conversion main loop. Code detection only.
5355 #if !defined(PERL_XS) && !defined(WIN32DLL)
5362 module_connection();
5363 while ((c = (*i_getc)(f)) != EOF)
5370 #define NEXT continue /* no output, get next */
5371 #define SKIP c2=0;continue /* no output, get next */
5372 #define MORE c2=c1;continue /* need one more byte */
5373 #define SEND ; /* output c1 and c2, get next */
5374 #define LAST break /* end of loop, go closing */
5375 #define set_input_mode(mode) do { \
5376 input_mode = mode; \
5378 set_input_codename("ISO-2022-JP"); \
5379 debug("ISO-2022-JP"); \
5383 kanji_convert(FILE *f)
5385 nkf_char c1=0, c2=0, c3=0, c4=0;
5386 int shift_mode = 0; /* 0, 1, 2, 3 */
5388 int is_8bit = FALSE;
5390 if (input_encoding && !nkf_enc_asciicompat(input_encoding)) {
5395 output_mode = ASCII;
5397 if (module_connection() < 0) {
5398 #if !defined(PERL_XS) && !defined(WIN32DLL)
5399 fprintf(stderr, "no output encoding given\n");
5405 #ifdef UTF8_INPUT_ENABLE
5406 if(iconv == w_iconv32){
5407 while ((c1 = (*i_getc)(f)) != EOF &&
5408 (c2 = (*i_getc)(f)) != EOF &&
5409 (c3 = (*i_getc)(f)) != EOF &&
5410 (c4 = (*i_getc)(f)) != EOF) {
5411 nkf_iconv_utf_32(c1, c2, c3, c4);
5415 else if (iconv == w_iconv16) {
5416 while ((c1 = (*i_getc)(f)) != EOF &&
5417 (c2 = (*i_getc)(f)) != EOF) {
5418 if (nkf_iconv_utf_16(c1, c2, 0, 0) == -2 &&
5419 (c3 = (*i_getc)(f)) != EOF &&
5420 (c4 = (*i_getc)(f)) != EOF) {
5421 nkf_iconv_utf_16(c1, c2, c3, c4);
5428 while ((c1 = (*i_getc)(f)) != EOF) {
5429 #ifdef INPUT_CODE_FIX
5430 if (!input_encoding)
5436 /* in case of 8th bit is on */
5437 if (!estab_f&&!mime_decode_mode) {
5438 /* in case of not established yet */
5439 /* It is still ambiguious */
5440 if (h_conv(f, c2, c1)==EOF) {
5448 /* in case of already established */
5450 /* ignore bogus code */
5458 /* 2nd byte of 7 bit code or SJIS */
5462 else if (nkf_char_unicode_p(c1)) {
5468 if (input_mode == JIS_X_0208 && DEL <= c1 && c1 < 0x92) {
5471 }else if (input_codename && input_codename[0] == 'I' &&
5472 0xA1 <= c1 && c1 <= 0xDF) {
5473 /* JIS X 0201 Katakana in 8bit JIS */
5474 c2 = JIS_X_0201_1976_K;
5477 } else if (c1 > DEL) {
5479 if (!estab_f && !iso8859_f) {
5480 /* not established yet */
5482 } else { /* estab_f==TRUE */
5488 else if ((iconv == s_iconv && 0xA0 <= c1 && c1 <= 0xDF) ||
5489 (ms_ucs_map_f == UCS_MAP_CP10001 && (c1 == 0xFD || c1 == 0xFE))) {
5491 c2 = JIS_X_0201_1976_K;
5496 /* already established */
5500 } else if (SP < c1 && c1 < DEL) {
5501 /* in case of Roman characters */
5503 /* output 1 shifted byte */
5507 } else if (nkf_byte_jisx0201_katakana_p(c1)){
5508 /* output 1 shifted byte */
5509 c2 = JIS_X_0201_1976_K;
5512 /* look like bogus code */
5515 } else if (input_mode == JIS_X_0208 || input_mode == JIS_X_0212 ||
5516 input_mode == JIS_X_0213_1 || input_mode == JIS_X_0213_2) {
5517 /* in case of Kanji shifted */
5519 } else if (c1 == '=' && mime_f && !mime_decode_mode) {
5520 /* Check MIME code */
5521 if ((c1 = (*i_getc)(f)) == EOF) {
5524 } else if (c1 == '?') {
5525 /* =? is mime conversion start sequence */
5526 if(mime_f == STRICT_MIME) {
5527 /* check in real detail */
5528 if (mime_begin_strict(f) == EOF)
5531 } else if (mime_begin(f) == EOF)
5540 /* normal ASCII code */
5543 } else if (c1 == SI && (!is_8bit || mime_decode_mode)) {
5546 } else if (c1 == SO && (!is_8bit || mime_decode_mode)) {
5549 } else if (c1 == ESC && (!is_8bit || mime_decode_mode)) {
5550 if ((c1 = (*i_getc)(f)) == EOF) {
5554 else if (c1 == '&') {
5556 if ((c1 = (*i_getc)(f)) == EOF) {
5562 else if (c1 == '$') {
5564 if ((c1 = (*i_getc)(f)) == EOF) {
5565 /* don't send bogus code
5567 (*oconv)(0, '$'); */
5569 } else if (c1 == '@' || c1 == 'B') {
5571 set_input_mode(JIS_X_0208);
5573 } else if (c1 == '(') {
5575 if ((c1 = (*i_getc)(f)) == EOF) {
5576 /* don't send bogus code
5582 } else if (c1 == '@'|| c1 == 'B') {
5584 set_input_mode(JIS_X_0208);
5587 } else if (c1 == 'D'){
5588 set_input_mode(JIS_X_0212);
5590 #endif /* X0212_ENABLE */
5591 } else if (c1 == 'O' || c1 == 'Q'){
5592 set_input_mode(JIS_X_0213_1);
5594 } else if (c1 == 'P'){
5595 set_input_mode(JIS_X_0213_2);
5598 /* could be some special code */
5605 } else if (broken_f&0x2) {
5606 /* accept any ESC-(-x as broken code ... */
5607 input_mode = JIS_X_0208;
5616 } else if (c1 == '(') {
5618 if ((c1 = (*i_getc)(f)) == EOF) {
5619 /* don't send bogus code
5621 (*oconv)(0, '('); */
5624 else if (c1 == 'I') {
5625 /* JIS X 0201 Katakana */
5626 set_input_mode(JIS_X_0201_1976_K);
5629 else if (c1 == 'B' || c1 == 'J' || c1 == 'H') {
5630 /* ISO-646IRV:1983 or JIS X 0201 Roman or JUNET */
5631 set_input_mode(ASCII);
5634 else if (broken_f&0x2) {
5635 set_input_mode(ASCII);
5644 else if (c1 == '.') {
5646 if ((c1 = (*i_getc)(f)) == EOF) {
5649 else if (c1 == 'A') {
5660 else if (c1 == 'N') {
5663 if (g2 == ISO_8859_1) {
5678 } else if (c1 == ESC && iconv == s_iconv) {
5679 /* ESC in Shift_JIS */
5680 if ((c1 = (*i_getc)(f)) == EOF) {
5683 } else if (c1 == '$') {
5685 if ((c1 = (*i_getc)(f)) == EOF) {
5687 } else if (('E' <= c1 && c1 <= 'G') ||
5688 ('O' <= c1 && c1 <= 'Q')) {
5696 static const nkf_char jphone_emoji_first_table[7] =
5697 {0xE1E0, 0xDFE0, 0xE2E0, 0xE3E0, 0xE4E0, 0xDFE0, 0xE0E0};
5698 c3 = nkf_char_unicode_new(jphone_emoji_first_table[c1 % 7]);
5699 if ((c1 = (*i_getc)(f)) == EOF) LAST;
5700 while (SP <= c1 && c1 <= 'z') {
5701 (*oconv)(0, c1 + c3);
5702 if ((c1 = (*i_getc)(f)) == EOF) LAST;
5717 } else if (c1 == LF || c1 == CR) {
5719 input_mode = ASCII; set_iconv(FALSE, 0);
5721 } else if (mime_decode_f && !mime_decode_mode){
5723 if ((c1=(*i_getc)(f))!=EOF && c1 == SP) {
5731 } else { /* if (c1 == CR)*/
5732 if ((c1=(*i_getc)(f))!=EOF) {
5736 } else if (c1 == LF && (c1=(*i_getc)(f))!=EOF && c1 == SP) {
5756 switch ((*iconv)(c2, c1, 0)) { /* can be EUC / SJIS / UTF-8 */
5759 if ((c3 = (*i_getc)(f)) != EOF) {
5762 if ((c4 = (*i_getc)(f)) != EOF) {
5764 (*iconv)(c2, c1, c3|c4);
5769 /* 3 bytes EUC or UTF-8 */
5770 if ((c3 = (*i_getc)(f)) != EOF) {
5772 (*iconv)(c2, c1, c3);
5780 0x7F <= c2 && c2 <= 0x92 &&
5781 0x21 <= c1 && c1 <= 0x7E) {
5783 c1 = nkf_char_unicode_new((c2 - 0x7F) * 94 + c1 - 0x21 + 0xE000);
5786 (*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */
5790 (*oconv)(PREFIX_EUCG3 | c2, c1);
5792 #endif /* X0212_ENABLE */
5794 (*oconv)(PREFIX_EUCG3 | c2, c1);
5797 (*oconv)(input_mode, c1); /* other special case */
5803 /* goto next_word */
5808 (*iconv)(EOF, 0, 0);
5809 if (!input_codename)
5812 struct input_code *p = input_code_list;
5813 struct input_code *result = p;
5815 if (p->score < result->score) result = p;
5818 set_input_codename(result->name);
5820 debug(result->name);
5828 * int options(unsigned char *cp)
5835 options(unsigned char *cp)
5839 unsigned char *cp_back = NULL;
5844 while(*cp && *cp++!='-');
5845 while (*cp || cp_back) {
5853 case '-': /* literal options */
5854 if (!*cp || *cp == SP) { /* ignore the rest of arguments */
5858 for (i=0;i<sizeof(long_option)/sizeof(long_option[0]);i++) {
5859 p = (unsigned char *)long_option[i].name;
5860 for (j=0;*p && *p != '=' && *p == cp[j];p++, j++);
5861 if (*p == cp[j] || cp[j] == SP){
5868 #if !defined(PERL_XS) && !defined(WIN32DLL)
5869 fprintf(stderr, "unknown long option: --%s\n", cp);
5873 while(*cp && *cp != SP && cp++);
5874 if (long_option[i].alias[0]){
5876 cp = (unsigned char *)long_option[i].alias;
5879 if (strcmp(long_option[i].name, "help") == 0){
5884 if (strcmp(long_option[i].name, "ic=") == 0){
5885 enc = nkf_enc_find((char *)p);
5887 input_encoding = enc;
5890 if (strcmp(long_option[i].name, "oc=") == 0){
5891 enc = nkf_enc_find((char *)p);
5892 /* if (enc <= 0) continue; */
5894 output_encoding = enc;
5897 if (strcmp(long_option[i].name, "guess=") == 0){
5898 if (p[0] == '0' || p[0] == '1') {
5906 if (strcmp(long_option[i].name, "overwrite") == 0){
5909 preserve_time_f = TRUE;
5912 if (strcmp(long_option[i].name, "overwrite=") == 0){
5915 preserve_time_f = TRUE;
5917 backup_suffix = (char *)p;
5920 if (strcmp(long_option[i].name, "in-place") == 0){
5923 preserve_time_f = FALSE;
5926 if (strcmp(long_option[i].name, "in-place=") == 0){
5929 preserve_time_f = FALSE;
5931 backup_suffix = (char *)p;
5936 if (strcmp(long_option[i].name, "cap-input") == 0){
5940 if (strcmp(long_option[i].name, "url-input") == 0){
5945 #ifdef NUMCHAR_OPTION
5946 if (strcmp(long_option[i].name, "numchar-input") == 0){
5952 if (strcmp(long_option[i].name, "no-output") == 0){
5956 if (strcmp(long_option[i].name, "debug") == 0){
5961 if (strcmp(long_option[i].name, "cp932") == 0){
5962 #ifdef SHIFTJIS_CP932
5966 #ifdef UTF8_OUTPUT_ENABLE
5967 ms_ucs_map_f = UCS_MAP_CP932;
5971 if (strcmp(long_option[i].name, "no-cp932") == 0){
5972 #ifdef SHIFTJIS_CP932
5976 #ifdef UTF8_OUTPUT_ENABLE
5977 ms_ucs_map_f = UCS_MAP_ASCII;
5981 #ifdef SHIFTJIS_CP932
5982 if (strcmp(long_option[i].name, "cp932inv") == 0){
5989 if (strcmp(long_option[i].name, "x0212") == 0){
5996 if (strcmp(long_option[i].name, "exec-in") == 0){
6000 if (strcmp(long_option[i].name, "exec-out") == 0){
6005 #if defined(UTF8_OUTPUT_ENABLE) && defined(UTF8_INPUT_ENABLE)
6006 if (strcmp(long_option[i].name, "no-cp932ext") == 0){
6007 no_cp932ext_f = TRUE;
6010 if (strcmp(long_option[i].name, "no-best-fit-chars") == 0){
6011 no_best_fit_chars_f = TRUE;
6014 if (strcmp(long_option[i].name, "fb-skip") == 0){
6015 encode_fallback = NULL;
6018 if (strcmp(long_option[i].name, "fb-html") == 0){
6019 encode_fallback = encode_fallback_html;
6022 if (strcmp(long_option[i].name, "fb-xml") == 0){
6023 encode_fallback = encode_fallback_xml;
6026 if (strcmp(long_option[i].name, "fb-java") == 0){
6027 encode_fallback = encode_fallback_java;
6030 if (strcmp(long_option[i].name, "fb-perl") == 0){
6031 encode_fallback = encode_fallback_perl;
6034 if (strcmp(long_option[i].name, "fb-subchar") == 0){
6035 encode_fallback = encode_fallback_subchar;
6038 if (strcmp(long_option[i].name, "fb-subchar=") == 0){
6039 encode_fallback = encode_fallback_subchar;
6040 unicode_subchar = 0;
6042 /* decimal number */
6043 for (i = 0; i < 7 && nkf_isdigit(p[i]); i++){
6044 unicode_subchar *= 10;
6045 unicode_subchar += hex2bin(p[i]);
6047 }else if(p[1] == 'x' || p[1] == 'X'){
6048 /* hexadecimal number */
6049 for (i = 2; i < 8 && nkf_isxdigit(p[i]); i++){
6050 unicode_subchar <<= 4;
6051 unicode_subchar |= hex2bin(p[i]);
6055 for (i = 1; i < 8 && nkf_isoctal(p[i]); i++){
6056 unicode_subchar *= 8;
6057 unicode_subchar += hex2bin(p[i]);
6060 w16e_conv(unicode_subchar, &i, &j);
6061 unicode_subchar = i<<8 | j;
6065 #ifdef UTF8_OUTPUT_ENABLE
6066 if (strcmp(long_option[i].name, "ms-ucs-map") == 0){
6067 ms_ucs_map_f = UCS_MAP_MS;
6071 #ifdef UNICODE_NORMALIZATION
6072 if (strcmp(long_option[i].name, "utf8mac-input") == 0){
6077 if (strcmp(long_option[i].name, "prefix=") == 0){
6078 if (nkf_isgraph(p[0])){
6079 for (i = 1; nkf_isgraph(p[i]); i++){
6080 prefix_table[p[i]] = p[0];
6085 #if !defined(PERL_XS) && !defined(WIN32DLL)
6086 fprintf(stderr, "unsupported long option: --%s\n", long_option[i].name);
6091 case 'b': /* buffered mode */
6094 case 'u': /* non bufferd mode */
6097 case 't': /* transparent mode */
6102 } else if (*cp=='2') {
6106 * nkf -t2MB hoge.bin | nkf -t2mB | diff -s - hoge.bin
6114 case 'j': /* JIS output */
6116 output_encoding = nkf_enc_from_index(ISO_2022_JP);
6118 case 'e': /* AT&T EUC output */
6119 output_encoding = nkf_enc_from_index(EUCJP_NKF);
6121 case 's': /* SJIS output */
6122 output_encoding = nkf_enc_from_index(SHIFT_JIS);
6124 case 'l': /* ISO8859 Latin-1 support, no conversion */
6125 iso8859_f = TRUE; /* Only compatible with ISO-2022-JP */
6126 input_encoding = nkf_enc_from_index(ISO_8859_1);
6128 case 'i': /* Kanji IN ESC-$-@/B */
6129 if (*cp=='@'||*cp=='B')
6130 kanji_intro = *cp++;
6132 case 'o': /* ASCII IN ESC-(-J/B/H */
6133 /* ESC ( H was used in initial JUNET messages */
6134 if (*cp=='J'||*cp=='B'||*cp=='H')
6135 ascii_intro = *cp++;
6139 bit:1 katakana->hiragana
6140 bit:2 hiragana->katakana
6142 if ('9'>= *cp && *cp>='0')
6143 hira_f |= (*cp++ -'0');
6150 #if defined(MSDOS) || defined(__OS2__)
6157 show_configuration();
6165 #ifdef UTF8_OUTPUT_ENABLE
6166 case 'w': /* UTF-8 output */
6171 output_encoding = nkf_enc_from_index(UTF_8N);
6173 output_bom_f = TRUE;
6174 output_encoding = nkf_enc_from_index(UTF_8_BOM);
6178 if ('1'== cp[0] && '6'==cp[1]) {
6181 } else if ('3'== cp[0] && '2'==cp[1]) {
6185 output_encoding = nkf_enc_from_index(UTF_8);
6190 output_endian = ENDIAN_LITTLE;
6191 } else if (cp[0] == 'B') {
6196 enc_idx = enc_idx == UTF_16
6197 ? (output_endian == ENDIAN_LITTLE ? UTF_16LE : UTF_16BE)
6198 : (output_endian == ENDIAN_LITTLE ? UTF_32LE : UTF_32BE);
6200 output_bom_f = TRUE;
6201 enc_idx = enc_idx == UTF_16
6202 ? (output_endian == ENDIAN_LITTLE ? UTF_16LE_BOM : UTF_16BE_BOM)
6203 : (output_endian == ENDIAN_LITTLE ? UTF_32LE_BOM : UTF_32BE_BOM);
6205 output_encoding = nkf_enc_from_index(enc_idx);
6209 #ifdef UTF8_INPUT_ENABLE
6210 case 'W': /* UTF input */
6213 input_encoding = nkf_enc_from_index(UTF_8);
6216 if ('1'== cp[0] && '6'==cp[1]) {
6218 input_endian = ENDIAN_BIG;
6220 } else if ('3'== cp[0] && '2'==cp[1]) {
6222 input_endian = ENDIAN_BIG;
6225 input_encoding = nkf_enc_from_index(UTF_8);
6230 input_endian = ENDIAN_LITTLE;
6231 } else if (cp[0] == 'B') {
6233 input_endian = ENDIAN_BIG;
6235 enc_idx = (enc_idx == UTF_16
6236 ? (input_endian == ENDIAN_LITTLE ? UTF_16LE : UTF_16BE)
6237 : (input_endian == ENDIAN_LITTLE ? UTF_32LE : UTF_32BE));
6238 input_encoding = nkf_enc_from_index(enc_idx);
6242 /* Input code assumption */
6243 case 'J': /* ISO-2022-JP input */
6244 input_encoding = nkf_enc_from_index(ISO_2022_JP);
6246 case 'E': /* EUC-JP input */
6247 input_encoding = nkf_enc_from_index(EUCJP_NKF);
6249 case 'S': /* Shift_JIS input */
6250 input_encoding = nkf_enc_from_index(SHIFT_JIS);
6252 case 'Z': /* Convert X0208 alphabet to asii */
6254 bit:0 Convert JIS X 0208 Alphabet to ASCII
6255 bit:1 Convert Kankaku to one space
6256 bit:2 Convert Kankaku to two spaces
6257 bit:3 Convert HTML Entity
6258 bit:4 Convert JIS X 0208 Katakana to JIS X 0201 Katakana
6260 while ('0'<= *cp && *cp <='4') {
6261 alpha_f |= 1 << (*cp++ - '0');
6265 case 'x': /* Convert X0201 kana to X0208 or X0201 Conversion */
6266 x0201_f = FALSE; /* No X0201->X0208 conversion */
6268 ESC-(-I in JIS, EUC, MS Kanji
6269 SI/SO in JIS, EUC, MS Kanji
6270 SS2 in EUC, JIS, not in MS Kanji
6271 MS Kanji (0xa0-0xdf)
6273 ESC-(-I in JIS (0x20-0x5f)
6274 SS2 in EUC (0xa0-0xdf)
6275 0xa0-0xd in MS Kanji (0xa0-0xdf)
6278 case 'X': /* Convert X0201 kana to X0208 */
6281 case 'F': /* prserve new lines */
6282 fold_preserve_f = TRUE;
6283 case 'f': /* folding -f60 or -f */
6286 while('0'<= *cp && *cp <='9') { /* we don't use atoi here */
6288 fold_len += *cp++ - '0';
6290 if (!(0<fold_len && fold_len<BUFSIZ))
6291 fold_len = DEFAULT_FOLD;
6295 while('0'<= *cp && *cp <='9') { /* we don't use atoi here */
6297 fold_margin += *cp++ - '0';
6301 case 'm': /* MIME support */
6302 /* mime_decode_f = TRUE; */ /* this has too large side effects... */
6303 if (*cp=='B'||*cp=='Q') {
6304 mime_decode_mode = *cp++;
6305 mimebuf_f = FIXED_MIME;
6306 } else if (*cp=='N') {
6307 mime_f = TRUE; cp++;
6308 } else if (*cp=='S') {
6309 mime_f = STRICT_MIME; cp++;
6310 } else if (*cp=='0') {
6311 mime_decode_f = FALSE;
6312 mime_f = FALSE; cp++;
6314 mime_f = STRICT_MIME;
6317 case 'M': /* MIME output */
6320 mimeout_f = FIXED_MIME; cp++;
6321 } else if (*cp=='Q') {
6323 mimeout_f = FIXED_MIME; cp++;
6328 case 'B': /* Broken JIS support */
6330 bit:1 allow any x on ESC-(-x or ESC-$-x
6331 bit:2 reset to ascii on NL
6333 if ('9'>= *cp && *cp>='0')
6334 broken_f |= 1<<(*cp++ -'0');
6339 case 'O':/* for Output file */
6343 case 'c':/* add cr code */
6346 case 'd':/* delete cr code */
6349 case 'I': /* ISO-2022-JP output */
6352 case 'L': /* line mode */
6353 if (*cp=='u') { /* unix */
6354 eolmode_f = LF; cp++;
6355 } else if (*cp=='m') { /* mac */
6356 eolmode_f = CR; cp++;
6357 } else if (*cp=='w') { /* windows */
6358 eolmode_f = CRLF; cp++;
6359 } else if (*cp=='0') { /* no conversion */
6360 eolmode_f = 0; cp++;
6365 if ('2' <= *cp && *cp <= '9') {
6368 } else if (*cp == '0' || *cp == '1') {
6377 /* module muliple options in a string are allowed for Perl moudle */
6378 while(*cp && *cp++!='-');
6381 #if !defined(PERL_XS) && !defined(WIN32DLL)
6382 fprintf(stderr, "unknown option: -%c\n", *(cp-1));
6384 /* bogus option but ignored */
6392 #include "nkf32dll.c"
6393 #elif defined(PERL_XS)
6394 #else /* WIN32DLL */
6396 main(int argc, char **argv)
6401 char *outfname = NULL;
6404 #ifdef EASYWIN /*Easy Win */
6405 _BufferSize.y = 400;/*Set Scroll Buffer Size*/
6407 #ifdef DEFAULT_CODE_LOCALE
6408 setlocale(LC_CTYPE, "");
6412 for (argc--,argv++; (argc > 0) && **argv == '-'; argc--, argv++) {
6413 cp = (unsigned char *)*argv;
6418 if (pipe(fds) < 0 || (pid = fork()) < 0){
6429 execvp(argv[1], &argv[1]);
6446 int debug_f_back = debug_f;
6449 int exec_f_back = exec_f;
6452 int x0212_f_back = x0212_f;
6454 int x0213_f_back = x0213_f;
6455 int guess_f_back = guess_f;
6457 guess_f = guess_f_back;
6460 debug_f = debug_f_back;
6463 exec_f = exec_f_back;
6465 x0212_f = x0212_f_back;
6466 x0213_f = x0213_f_back;
6469 if (binmode_f == TRUE)
6470 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
6471 if (freopen("","wb",stdout) == NULL)
6478 setbuf(stdout, (char *) NULL);
6480 setvbuffer(stdout, (char *) stdobuf, IOBUF_SIZE);
6483 if (binmode_f == TRUE)
6484 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
6485 if (freopen("","rb",stdin) == NULL) return (-1);
6489 setvbuffer(stdin, (char *) stdibuf, IOBUF_SIZE);
6493 kanji_convert(stdin);
6494 if (guess_f) print_guessed_code(NULL);
6498 int is_argument_error = FALSE;
6500 input_codename = NULL;
6503 iconv_for_check = 0;
6505 if ((fin = fopen((origfname = *argv++), "r")) == NULL) {
6507 is_argument_error = TRUE;
6515 /* reopen file for stdout */
6516 if (file_out_f == TRUE) {
6519 outfname = nkf_xmalloc(strlen(origfname)
6520 + strlen(".nkftmpXXXXXX")
6522 strcpy(outfname, origfname);
6526 for (i = strlen(outfname); i; --i){
6527 if (outfname[i - 1] == '/'
6528 || outfname[i - 1] == '\\'){
6534 strcat(outfname, "ntXXXXXX");
6536 fd = open(outfname, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL,
6537 S_IREAD | S_IWRITE);
6539 strcat(outfname, ".nkftmpXXXXXX");
6540 fd = mkstemp(outfname);
6543 || (fd_backup = dup(fileno(stdout))) < 0
6544 || dup2(fd, fileno(stdout)) < 0
6555 outfname = "nkf.out";
6558 if(freopen(outfname, "w", stdout) == NULL) {
6562 if (binmode_f == TRUE) {
6563 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
6564 if (freopen("","wb",stdout) == NULL)
6571 if (binmode_f == TRUE)
6572 #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
6573 if (freopen("","rb",fin) == NULL)
6578 setvbuffer(fin, (char *) stdibuf, IOBUF_SIZE);
6582 char *filename = NULL;
6584 if (nfiles > 1) filename = origfname;
6585 if (guess_f) print_guessed_code(filename);
6591 #if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) && !defined(__WATCOMC__) && !defined(__EMX__) && !defined(__OS2__) && !defined(__DJGPP__)
6599 if (dup2(fd_backup, fileno(stdout)) < 0){
6602 if (stat(origfname, &sb)) {
6603 fprintf(stderr, "Can't stat %s\n", origfname);
6605 /*
\e$B%Q!<%_%C%7%g%s$rI|85
\e(B */
6606 if (chmod(outfname, sb.st_mode)) {
6607 fprintf(stderr, "Can't set permission %s\n", outfname);
6610 /*
\e$B%?%$%`%9%?%s%W$rI|85
\e(B */
6611 if(preserve_time_f){
6612 #if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) && !defined(__WATCOMC__) && !defined(__EMX__) && !defined(__OS2__) && !defined(__DJGPP__)
6613 tb[0] = tb[1] = sb.st_mtime;
6614 if (utime(outfname, tb)) {
6615 fprintf(stderr, "Can't set timestamp %s\n", outfname);
6618 tb.actime = sb.st_atime;
6619 tb.modtime = sb.st_mtime;
6620 if (utime(outfname, &tb)) {
6621 fprintf(stderr, "Can't set timestamp %s\n", outfname);
6626 char *backup_filename = get_backup_filename(backup_suffix, origfname);
6628 unlink(backup_filename);
6630 if (rename(origfname, backup_filename)) {
6631 perror(backup_filename);
6632 fprintf(stderr, "Can't rename %s to %s\n",
6633 origfname, backup_filename);
6635 nkf_xfree(backup_filename);
6638 if (unlink(origfname)){
6643 if (rename(outfname, origfname)) {
6645 fprintf(stderr, "Can't rename %s to %s\n",
6646 outfname, origfname);
6648 nkf_xfree(outfname);
6653 if (is_argument_error)
6656 #ifdef EASYWIN /*Easy Win */
6657 if (file_out_f == FALSE)
6658 scanf("%d",&end_check);
6661 #else /* for Other OS */
6662 if (file_out_f == TRUE)
6664 #endif /*Easy Win */
6667 #endif /* WIN32DLL */