/** Network Kanji Filter. (PDS Version) ************************************************************************ ** Copyright (C) 1987, Fujitsu LTD. (Itaru ICHIKAWA) ** 連絡先： （株）富士通研究所　ソフト３研　市川　至 ** （E-Mail Address: ichikawa@flab.fujitsu.co.jp） ** Copyright (C) 1996,1998 ** Copyright (C) 2002 ** 連絡先： 琉球大学情報工学科 河野 真治 mime/X0208 support ** （E-Mail Address: kono@ie.u-ryukyu.ac.jp） ** 連絡先： COW for DOS & Win16 & Win32 & OS/2 ** （E-Mail Address: GHG00637@niftyserve.or.p） ** ** このソースのいかなる複写，改変，修正も許諾します。ただし、 ** その際には、誰が貢献したを示すこの部分を残すこと。 ** 再配布や雑誌の付録などの問い合わせも必要ありません。 ** 営利利用も上記に反しない範囲で許可します。 ** バイナリの配布の際にはversion messageを保存することを条件とします。 ** このプログラムについては特に何の保証もしない、悪しからず。 ** ** Everyone is permitted to do anything on this program ** including copying, modifying, improving, ** as long as you don't try to pretend that you wrote it. ** i.e., the above copyright notice has to appear in all copies. ** Binary distribution requires original version messages. ** You don't have to ask before copying, redistribution or publishing. ** THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE. ***********************************************************************/ /*********************************************************************** ** UTF-8 サポートについて ** 従来の nkf と入れかえてそのまま使えるようになっています ** nkf -e などとして起動すると、自動判別で UTF-8 と判定されれば、 ** そのまま euc-jp に変換されます ** ** まだバグがある可能性が高いです。 ** (特に自動判別、コード混在、エラー処理系) ** ** 何か問題を見つけたら、 ** E-Mail: furukawa@tcp-ip.or.jp ** まで御連絡をお願いします。 ***********************************************************************/ /* $Id: nkf.c 11708 2007-02-12 23:01:19Z shyouhei $ */ #define NKF_VERSION "2.0.8" #define NKF_RELEASE_DATE "2007-01-28" #include "config.h" #include "utf8tbl.h" #define COPY_RIGHT \ "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),2000 S. Kono, COW\n" \ "Copyright (C) 2002-2006 Kono, Furukawa, Naruse, mastodon" /* ** ** ** ** USAGE: nkf [flags] [file] ** ** Flags: ** b Output is buffered (DEFAULT) ** u Output is unbuffered ** ** t no operation ** ** j Output code is JIS 7 bit (DEFAULT SELECT) ** s Output code is MS Kanji (DEFAULT SELECT) ** e Output code is AT&T JIS (DEFAULT SELECT) ** w Output code is AT&T JIS (DEFAULT SELECT) ** l Output code is JIS 7bit and ISO8859-1 Latin-1 ** ** m MIME conversion for ISO-2022-JP ** I Convert non ISO-2022-JP charactor to GETA by Pekoe ** i_ Output sequence to designate JIS-kanji (DEFAULT_J) ** o_ Output sequence to designate single-byte roman characters (DEFAULT_R) ** M MIME output conversion ** ** r {de/en}crypt ROT13/47 ** ** v display Version ** ** T Text mode output (for MS-DOS) ** ** x Do not convert X0201 kana into X0208 ** Z Convert X0208 alphabet to ASCII ** ** f60 fold option ** ** m MIME decode ** B try to fix broken JIS, missing Escape ** B[1-9] broken level ** ** O Output to 'nkf.out' file or last file name ** d Delete \r in line feed ** c Add \r in line feed ** -- other long option ** -- ignore following option (don't use with -O ) ** **/ #if (defined(__TURBOC__) || defined(_MSC_VER) || defined(LSI_C) || defined(__MINGW32__) || defined(__EMX__) || defined(__MSDOS__) || defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)) && !defined(MSDOS) #define MSDOS #if (defined(__Win32__) || defined(_WIN32)) && !defined(__WIN32__) #define __WIN32__ #endif #endif #ifdef PERL_XS #undef OVERWRITE #endif #ifndef PERL_XS #include #endif #include #include #if defined(MSDOS) || defined(__OS2__) #include #include #if defined(_MSC_VER) || defined(__WATCOMC__) #define mktemp _mktemp #endif #endif #ifdef MSDOS #ifdef LSI_C #define setbinmode(fp) fsetbin(fp) #elif defined(__DJGPP__) #include #define setbinmode(fp) djgpp_setbinmode(fp) #else /* Microsoft C, Turbo C */ #define setbinmode(fp) setmode(fileno(fp), O_BINARY) #endif #else /* UNIX */ #define setbinmode(fp) #endif #if defined(__DJGPP__) void djgpp_setbinmode(FILE *fp) { /* we do not use libc's setmode(), which changes COOKED/RAW mode in device. */ int fd, m; fd = fileno(fp); m = (__file_handle_modes[fd] & (~O_TEXT)) | O_BINARY; __file_handle_set(fd, m); } #endif #ifdef _IOFBF /* SysV and MSDOS, Windows */ #define setvbuffer(fp, buf, size) setvbuf(fp, buf, _IOFBF, size) #else /* BSD */ #define setvbuffer(fp, buf, size) setbuffer(fp, buf, size) #endif /*Borland C++ 4.5 EasyWin*/ #if defined(__TURBOC__) && defined(_Windows) && !defined(__WIN32__) /*Easy Win */ #define EASYWIN #ifndef __WIN16__ #define __WIN16__ #endif #include #endif #ifdef OVERWRITE /* added by satoru@isoternet.org */ #if defined(__EMX__) #include #endif #include #if !defined(MSDOS) || defined(__DJGPP__) /* UNIX, djgpp */ #include #if defined(__WATCOMC__) #include #else #include #endif #else /* defined(MSDOS) */ #ifdef __WIN32__ #ifdef __BORLANDC__ /* BCC32 */ #include #else /* !defined(__BORLANDC__) */ #include #endif /* (__BORLANDC__) */ #else /* !defined(__WIN32__) */ #if defined(_MSC_VER) || defined(__MINGW32__) || defined(__WATCOMC__) || defined(__OS2__) || defined(__EMX__) || defined(__IBMC__) || defined(__IBMCPP__) /* VC++, MinGW, Watcom, emx+gcc, IBM VAC++ */ #include #elif defined(__TURBOC__) /* BCC */ #include #elif defined(LSI_C) /* LSI C */ #endif /* (__WIN32__) */ #endif #endif #endif #define FALSE 0 #define TRUE 1 /* state of output_mode and input_mode c2 0 means ASCII X0201 ISO8859_1 X0208 EOF all termination c1 32bit data */ #define ASCII 0 #define X0208 1 #define X0201 2 #define ISO8859_1 8 #define NO_X0201 3 #define X0212 0x2844 #define X0213_1 0x284F #define X0213_2 0x2850 /* Input Assumption */ #define JIS_INPUT 4 #define EUC_INPUT 16 #define SJIS_INPUT 5 #define LATIN1_INPUT 6 #define FIXED_MIME 7 #define STRICT_MIME 8 /* MIME ENCODE */ #define ISO2022JP 9 #define JAPANESE_EUC 10 #define SHIFT_JIS 11 #define UTF8 12 #define UTF8_INPUT 13 #define UTF16_INPUT 1015 #define UTF32_INPUT 1017 /* byte order */ #define ENDIAN_BIG 1234 #define ENDIAN_LITTLE 4321 #define ENDIAN_2143 2143 #define ENDIAN_3412 3412 #define WISH_TRUE 15 /* ASCII CODE */ #define BS 0x08 #define TAB 0x09 #define NL 0x0a #define CR 0x0d #define ESC 0x1b #define SPACE 0x20 #define AT 0x40 #define SSP 0xa0 #define DEL 0x7f #define SI 0x0f #define SO 0x0e #define SSO 0x8e #define SS3 0x8f #define is_alnum(c) \ (('a'<=c && c<='z')||('A'<= c && c<='Z')||('0'<=c && c<='9')) /* I don't trust portablity of toupper */ #define nkf_toupper(c) (('a'<=c && c<='z')?(c-('a'-'A')):c) #define nkf_isoctal(c) ('0'<=c && c<='7') #define nkf_isdigit(c) ('0'<=c && c<='9') #define nkf_isxdigit(c) (nkf_isdigit(c) || ('a'<=c && c<='f') || ('A'<=c && c <= 'F')) #define nkf_isblank(c) (c == SPACE || c == TAB) #define nkf_isspace(c) (nkf_isblank(c) || c == CR || c == NL) #define nkf_isalpha(c) (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z')) #define nkf_isalnum(c) (nkf_isdigit(c) || nkf_isalpha(c)) #define nkf_isprint(c) (' '<=c && c<='~') #define nkf_isgraph(c) ('!'<=c && c<='~') #define hex2bin(c) (('0'<=c&&c<='9') ? (c-'0') : \ ('A'<=c&&c<='F') ? (c-'A'+10) : \ ('a'<=c&&c<='f') ? (c-'a'+10) : 0 ) #define is_eucg3(c2) (((unsigned short)c2 >> 8) == SS3) #define CP932_TABLE_BEGIN 0xFA #define CP932_TABLE_END 0xFC #define CP932INV_TABLE_BEGIN 0xED #define CP932INV_TABLE_END 0xEE #define is_ibmext_in_sjis(c2) (CP932_TABLE_BEGIN <= c2 && c2 <= CP932_TABLE_END) #define HOLD_SIZE 1024 #if defined(INT_IS_SHORT) #define IOBUF_SIZE 2048 #else #define IOBUF_SIZE 16384 #endif #define DEFAULT_J 'B' #define DEFAULT_R 'B' #define SJ0162 0x00e1 /* 01 - 62 ku offset */ #define SJ6394 0x0161 /* 63 - 94 ku offset */ #define RANGE_NUM_MAX 18 #define GETA1 0x22 #define GETA2 0x2e #if defined(UTF8_OUTPUT_ENABLE) || defined(UTF8_INPUT_ENABLE) #define sizeof_euc_to_utf8_1byte 94 #define sizeof_euc_to_utf8_2bytes 94 #define sizeof_utf8_to_euc_C2 64 #define sizeof_utf8_to_euc_E5B8 64 #define sizeof_utf8_to_euc_2bytes 112 #define sizeof_utf8_to_euc_3bytes 16 #endif /* MIME preprocessor */ #ifdef EASYWIN /*Easy Win */ extern POINT _BufferSize; #endif struct input_code{ char *name; nkf_char stat; nkf_char score; nkf_char index; nkf_char buf[3]; void (*status_func)(struct input_code *, nkf_char); nkf_char (*iconv_func)(nkf_char c2, nkf_char c1, nkf_char c0); int _file_stat; }; static char *input_codename = ""; #ifndef PERL_XS static const char *CopyRight = COPY_RIGHT; #endif #if !defined(PERL_XS) && !defined(WIN32DLL) static nkf_char noconvert(FILE *f); #endif static void module_connection(void); static nkf_char kanji_convert(FILE *f); static nkf_char h_conv(FILE *f,nkf_char c2,nkf_char c1); static nkf_char push_hold_buf(nkf_char c2); static void set_iconv(nkf_char f, nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0)); static nkf_char s_iconv(nkf_char c2,nkf_char c1,nkf_char c0); static nkf_char s2e_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1); static nkf_char e_iconv(nkf_char c2,nkf_char c1,nkf_char c0); #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) /* UCS Mapping * 0: Shift_JIS, eucJP-ascii * 1: eucJP-ms * 2: CP932, CP51932 */ #define UCS_MAP_ASCII 0 #define UCS_MAP_MS 1 #define UCS_MAP_CP932 2 static int ms_ucs_map_f = UCS_MAP_ASCII; #endif #ifdef UTF8_INPUT_ENABLE /* no NEC special, NEC-selected IBM extended and IBM extended characters */ static int no_cp932ext_f = FALSE; /* ignore ZERO WIDTH NO-BREAK SPACE */ static int no_best_fit_chars_f = FALSE; static int input_endian = ENDIAN_BIG; static nkf_char unicode_subchar = '?'; /* the regular substitution character */ static void nkf_each_char_to_hex(void (*f)(nkf_char c2,nkf_char c1), nkf_char c); static void encode_fallback_html(nkf_char c); static void encode_fallback_xml(nkf_char c); static void encode_fallback_java(nkf_char c); static void encode_fallback_perl(nkf_char c); static void encode_fallback_subchar(nkf_char c); static void (*encode_fallback)(nkf_char c) = NULL; static nkf_char w2e_conv(nkf_char c2,nkf_char c1,nkf_char c0,nkf_char *p2,nkf_char *p1); static nkf_char w_iconv(nkf_char c2,nkf_char c1,nkf_char c0); static nkf_char w_iconv16(nkf_char c2,nkf_char c1,nkf_char c0); static nkf_char w_iconv32(nkf_char c2,nkf_char c1,nkf_char c0); static nkf_char unicode_to_jis_common(nkf_char c2,nkf_char c1,nkf_char c0,nkf_char *p2,nkf_char *p1); static nkf_char w_iconv_common(nkf_char c1,nkf_char c0,const unsigned short *const *pp,nkf_char psize,nkf_char *p2,nkf_char *p1); static void w16w_conv(nkf_char val, nkf_char *p2, nkf_char *p1, nkf_char *p0); static nkf_char ww16_conv(nkf_char c2, nkf_char c1, nkf_char c0); static nkf_char w16e_conv(nkf_char val,nkf_char *p2,nkf_char *p1); static void w_status(struct input_code *, nkf_char); #endif #ifdef UTF8_OUTPUT_ENABLE static int output_bom_f = FALSE; static int output_endian = ENDIAN_BIG; static nkf_char e2w_conv(nkf_char c2,nkf_char c1); static void w_oconv(nkf_char c2,nkf_char c1); static void w_oconv16(nkf_char c2,nkf_char c1); static void w_oconv32(nkf_char c2,nkf_char c1); #endif static void e_oconv(nkf_char c2,nkf_char c1); static nkf_char e2s_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1); static void s_oconv(nkf_char c2,nkf_char c1); static void j_oconv(nkf_char c2,nkf_char c1); static void fold_conv(nkf_char c2,nkf_char c1); static void cr_conv(nkf_char c2,nkf_char c1); static void z_conv(nkf_char c2,nkf_char c1); static void rot_conv(nkf_char c2,nkf_char c1); static void hira_conv(nkf_char c2,nkf_char c1); static void base64_conv(nkf_char c2,nkf_char c1); static void iso2022jp_check_conv(nkf_char c2,nkf_char c1); static void no_connection(nkf_char c2,nkf_char c1); static nkf_char no_connection2(nkf_char c2,nkf_char c1,nkf_char c0); static void code_score(struct input_code *ptr); static void code_status(nkf_char c); static void std_putc(nkf_char c); static nkf_char std_getc(FILE *f); static nkf_char std_ungetc(nkf_char c,FILE *f); static nkf_char broken_getc(FILE *f); static nkf_char broken_ungetc(nkf_char c,FILE *f); static nkf_char mime_begin(FILE *f); static nkf_char mime_getc(FILE *f); static nkf_char mime_ungetc(nkf_char c,FILE *f); static void switch_mime_getc(void); static void unswitch_mime_getc(void); static nkf_char mime_begin_strict(FILE *f); static nkf_char mime_getc_buf(FILE *f); static nkf_char mime_ungetc_buf(nkf_char c,FILE *f); static nkf_char mime_integrity(FILE *f,const unsigned char *p); static nkf_char base64decode(nkf_char c); static void mime_prechar(nkf_char c2, nkf_char c1); static void mime_putc(nkf_char c); static void open_mime(nkf_char c); static void close_mime(void); static void eof_mime(void); static void mimeout_addchar(nkf_char c); #ifndef PERL_XS static void usage(void); static void version(void); #endif static void options(unsigned char *c); #if defined(PERL_XS) || defined(WIN32DLL) static void reinit(void); #endif /* buffers */ #if !defined(PERL_XS) && !defined(WIN32DLL) static unsigned char stdibuf[IOBUF_SIZE]; static unsigned char stdobuf[IOBUF_SIZE]; #endif static unsigned char hold_buf[HOLD_SIZE*2]; static int hold_count = 0; /* MIME preprocessor fifo */ #define MIME_BUF_SIZE (1024) /* 2^n ring buffer */ #define MIME_BUF_MASK (MIME_BUF_SIZE-1) #define Fifo(n) mime_buf[(n)&MIME_BUF_MASK] static unsigned char mime_buf[MIME_BUF_SIZE]; static unsigned int mime_top = 0; static unsigned int mime_last = 0; /* decoded */ static unsigned int mime_input = 0; /* undecoded */ static nkf_char (*mime_iconv_back)(nkf_char c2,nkf_char c1,nkf_char c0) = NULL; /* flags */ static int unbuf_f = FALSE; static int estab_f = FALSE; static int nop_f = FALSE; static int binmode_f = TRUE; /* binary mode */ static int rot_f = FALSE; /* rot14/43 mode */ static int hira_f = FALSE; /* hira/kata henkan */ static int input_f = FALSE; /* non fixed input code */ static int alpha_f = FALSE; /* convert JIx0208 alphbet to ASCII */ static int mime_f = STRICT_MIME; /* convert MIME B base64 or Q */ static int mime_decode_f = FALSE; /* mime decode is explicitly on */ static int mimebuf_f = FALSE; /* MIME buffered input */ static int broken_f = FALSE; /* convert ESC-less broken JIS */ static int iso8859_f = FALSE; /* ISO8859 through */ static int mimeout_f = FALSE; /* base64 mode */ #if defined(MSDOS) || defined(__OS2__) static int x0201_f = TRUE; /* Assume JISX0201 kana */ #else static int x0201_f = NO_X0201; /* Assume NO JISX0201 */ #endif static int iso2022jp_f = FALSE; /* convert ISO-2022-JP */ #ifdef UNICODE_NORMALIZATION static int nfc_f = FALSE; static nkf_char (*i_nfc_getc)(FILE *) = std_getc; /* input of ugetc */ static nkf_char (*i_nfc_ungetc)(nkf_char c ,FILE *f) = std_ungetc; static nkf_char nfc_getc(FILE *f); static nkf_char nfc_ungetc(nkf_char c,FILE *f); #endif #ifdef INPUT_OPTION static int cap_f = FALSE; static nkf_char (*i_cgetc)(FILE *) = std_getc; /* input of cgetc */ static nkf_char (*i_cungetc)(nkf_char c ,FILE *f) = std_ungetc; static nkf_char cap_getc(FILE *f); static nkf_char cap_ungetc(nkf_char c,FILE *f); static int url_f = FALSE; static nkf_char (*i_ugetc)(FILE *) = std_getc; /* input of ugetc */ static nkf_char (*i_uungetc)(nkf_char c ,FILE *f) = std_ungetc; static nkf_char url_getc(FILE *f); static nkf_char url_ungetc(nkf_char c,FILE *f); #endif #if defined(INT_IS_SHORT) #define NKF_INT32_C(n) (n##L) #else #define NKF_INT32_C(n) (n) #endif #define PREFIX_EUCG3 NKF_INT32_C(0x8F00) #define CLASS_MASK NKF_INT32_C(0xFF000000) #define CLASS_UNICODE NKF_INT32_C(0x01000000) #define VALUE_MASK NKF_INT32_C(0x00FFFFFF) #define UNICODE_MAX NKF_INT32_C(0x0010FFFF) #define is_unicode_capsule(c) ((c & CLASS_MASK) == CLASS_UNICODE) #define is_unicode_bmp(c) ((c & VALUE_MASK) <= NKF_INT32_C(0xFFFF)) #ifdef NUMCHAR_OPTION static int numchar_f = FALSE; static nkf_char (*i_ngetc)(FILE *) = std_getc; /* input of ugetc */ static nkf_char (*i_nungetc)(nkf_char c ,FILE *f) = std_ungetc; static nkf_char numchar_getc(FILE *f); static nkf_char numchar_ungetc(nkf_char c,FILE *f); #endif #ifdef CHECK_OPTION static int noout_f = FALSE; static void no_putc(nkf_char c); static nkf_char debug_f = FALSE; static void debug(const char *str); static nkf_char (*iconv_for_check)(nkf_char c2,nkf_char c1,nkf_char c0) = 0; #endif static int guess_f = FALSE; #if !defined PERL_XS static void print_guessed_code(char *filename); #endif static void set_input_codename(char *codename); static int is_inputcode_mixed = FALSE; static int is_inputcode_set = FALSE; #ifdef EXEC_IO static int exec_f = 0; #endif #ifdef SHIFTJIS_CP932 /* invert IBM extended characters to others */ static int cp51932_f = FALSE; /* invert NEC-selected IBM extended characters to IBM extended characters */ static int cp932inv_f = TRUE; /* static nkf_char cp932_conv(nkf_char c2, nkf_char c1); */ #endif /* SHIFTJIS_CP932 */ #ifdef X0212_ENABLE static int x0212_f = FALSE; static nkf_char x0212_shift(nkf_char c); static nkf_char x0212_unshift(nkf_char c); #endif static int x0213_f = FALSE; static unsigned char prefix_table[256]; static void set_code_score(struct input_code *ptr, nkf_char score); static void clr_code_score(struct input_code *ptr, nkf_char score); static void status_disable(struct input_code *ptr); static void status_push_ch(struct input_code *ptr, nkf_char c); static void status_clear(struct input_code *ptr); static void status_reset(struct input_code *ptr); static void status_reinit(struct input_code *ptr); static void status_check(struct input_code *ptr, nkf_char c); static void e_status(struct input_code *, nkf_char); static void s_status(struct input_code *, nkf_char); struct input_code input_code_list[] = { {"EUC-JP", 0, 0, 0, {0, 0, 0}, e_status, e_iconv, 0}, {"Shift_JIS", 0, 0, 0, {0, 0, 0}, s_status, s_iconv, 0}, #ifdef UTF8_INPUT_ENABLE {"UTF-8", 0, 0, 0, {0, 0, 0}, w_status, w_iconv, 0}, {"UTF-16", 0, 0, 0, {0, 0, 0}, NULL, w_iconv16, 0}, {"UTF-32", 0, 0, 0, {0, 0, 0}, NULL, w_iconv32, 0}, #endif {0} }; static int mimeout_mode = 0; static int base64_count = 0; /* X0208 -> ASCII converter */ /* fold parameter */ static int f_line = 0; /* chars in line */ static int f_prev = 0; static int fold_preserve_f = FALSE; /* preserve new lines */ static int fold_f = FALSE; static int fold_len = 0; /* options */ static unsigned char kanji_intro = DEFAULT_J; static unsigned char ascii_intro = DEFAULT_R; /* Folding */ #define FOLD_MARGIN 10 #define DEFAULT_FOLD 60 static int fold_margin = FOLD_MARGIN; /* converters */ #ifdef DEFAULT_CODE_JIS # define DEFAULT_CONV j_oconv #endif #ifdef DEFAULT_CODE_SJIS # define DEFAULT_CONV s_oconv #endif #ifdef DEFAULT_CODE_EUC # define DEFAULT_CONV e_oconv #endif #ifdef DEFAULT_CODE_UTF8 # define DEFAULT_CONV w_oconv #endif /* process default */ static void (*output_conv)(nkf_char c2,nkf_char c1) = DEFAULT_CONV; static void (*oconv)(nkf_char c2,nkf_char c1) = no_connection; /* s_iconv or oconv */ static nkf_char (*iconv)(nkf_char c2,nkf_char c1,nkf_char c0) = no_connection2; static void (*o_zconv)(nkf_char c2,nkf_char c1) = no_connection; static void (*o_fconv)(nkf_char c2,nkf_char c1) = no_connection; static void (*o_crconv)(nkf_char c2,nkf_char c1) = no_connection; static void (*o_rot_conv)(nkf_char c2,nkf_char c1) = no_connection; static void (*o_hira_conv)(nkf_char c2,nkf_char c1) = no_connection; static void (*o_base64conv)(nkf_char c2,nkf_char c1) = no_connection; static void (*o_iso2022jp_check_conv)(nkf_char c2,nkf_char c1) = no_connection; /* static redirections */ static void (*o_putc)(nkf_char c) = std_putc; static nkf_char (*i_getc)(FILE *f) = std_getc; /* general input */ static nkf_char (*i_ungetc)(nkf_char c,FILE *f) =std_ungetc; static nkf_char (*i_bgetc)(FILE *) = std_getc; /* input of mgetc */ static nkf_char (*i_bungetc)(nkf_char c ,FILE *f) = std_ungetc; static void (*o_mputc)(nkf_char c) = std_putc ; /* output of mputc */ static nkf_char (*i_mgetc)(FILE *) = std_getc; /* input of mgetc */ static nkf_char (*i_mungetc)(nkf_char c ,FILE *f) = std_ungetc; /* for strict mime */ static nkf_char (*i_mgetc_buf)(FILE *) = std_getc; /* input of mgetc_buf */ static nkf_char (*i_mungetc_buf)(nkf_char c,FILE *f) = std_ungetc; /* Global states */ static int output_mode = ASCII, /* output kanji mode */ input_mode = ASCII, /* input kanji mode */ shift_mode = FALSE; /* TRUE shift out, or X0201 */ static int mime_decode_mode = FALSE; /* MIME mode B base64, Q hex */ /* X0201 / X0208 conversion tables */ /* X0201 kana conversion table */ /* 90-9F A0-DF */ static const unsigned char cv[]= { 0x21,0x21,0x21,0x23,0x21,0x56,0x21,0x57, 0x21,0x22,0x21,0x26,0x25,0x72,0x25,0x21, 0x25,0x23,0x25,0x25,0x25,0x27,0x25,0x29, 0x25,0x63,0x25,0x65,0x25,0x67,0x25,0x43, 0x21,0x3c,0x25,0x22,0x25,0x24,0x25,0x26, 0x25,0x28,0x25,0x2a,0x25,0x2b,0x25,0x2d, 0x25,0x2f,0x25,0x31,0x25,0x33,0x25,0x35, 0x25,0x37,0x25,0x39,0x25,0x3b,0x25,0x3d, 0x25,0x3f,0x25,0x41,0x25,0x44,0x25,0x46, 0x25,0x48,0x25,0x4a,0x25,0x4b,0x25,0x4c, 0x25,0x4d,0x25,0x4e,0x25,0x4f,0x25,0x52, 0x25,0x55,0x25,0x58,0x25,0x5b,0x25,0x5e, 0x25,0x5f,0x25,0x60,0x25,0x61,0x25,0x62, 0x25,0x64,0x25,0x66,0x25,0x68,0x25,0x69, 0x25,0x6a,0x25,0x6b,0x25,0x6c,0x25,0x6d, 0x25,0x6f,0x25,0x73,0x21,0x2b,0x21,0x2c, 0x00,0x00}; /* X0201 kana conversion table for daguten */ /* 90-9F A0-DF */ static const unsigned char dv[]= { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x25,0x74, 0x00,0x00,0x00,0x00,0x25,0x2c,0x25,0x2e, 0x25,0x30,0x25,0x32,0x25,0x34,0x25,0x36, 0x25,0x38,0x25,0x3a,0x25,0x3c,0x25,0x3e, 0x25,0x40,0x25,0x42,0x25,0x45,0x25,0x47, 0x25,0x49,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x25,0x50,0x25,0x53, 0x25,0x56,0x25,0x59,0x25,0x5c,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00}; /* X0201 kana conversion table for han-daguten */ /* 90-9F A0-DF */ static const unsigned char ev[]= { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x25,0x51,0x25,0x54, 0x25,0x57,0x25,0x5a,0x25,0x5d,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00}; /* X0208 kigou conversion table */ /* 0x8140 - 0x819e */ static const unsigned char fv[] = { 0x00,0x00,0x00,0x00,0x2c,0x2e,0x00,0x3a, 0x3b,0x3f,0x21,0x00,0x00,0x27,0x60,0x00, 0x5e,0x00,0x5f,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x2d,0x00,0x2f, 0x5c,0x00,0x00,0x7c,0x00,0x00,0x60,0x27, 0x22,0x22,0x28,0x29,0x00,0x00,0x5b,0x5d, 0x7b,0x7d,0x3c,0x3e,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x2b,0x2d,0x00,0x00, 0x00,0x3d,0x00,0x3c,0x3e,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x24,0x00,0x00,0x25,0x23,0x26,0x2a,0x40, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 } ; #define CRLF 1 static int file_out_f = FALSE; #ifdef OVERWRITE static int overwrite_f = FALSE; static int preserve_time_f = FALSE; static int backup_f = FALSE; static char *backup_suffix = ""; static char *get_backup_filename(const char *suffix, const char *filename); #endif static int crmode_f = 0; /* CR, NL, CRLF */ #ifdef EASYWIN /*Easy Win */ static int end_check; #endif /*Easy Win */ #define STD_GC_BUFSIZE (256) nkf_char std_gc_buf[STD_GC_BUFSIZE]; nkf_char std_gc_ndx; #ifdef WIN32DLL #include "nkf32dll.c" #elif defined(PERL_XS) #else /* WIN32DLL */ int main(int argc, char **argv) { FILE *fin; unsigned char *cp; char *outfname = NULL; char *origfname; #ifdef EASYWIN /*Easy Win */ _BufferSize.y = 400;/*Set Scroll Buffer Size*/ #endif for (argc--,argv++; (argc > 0) && **argv == '-'; argc--, argv++) { cp = (unsigned char *)*argv; options(cp); #ifdef EXEC_IO if (exec_f){ int fds[2], pid; if (pipe(fds) < 0 || (pid = fork()) < 0){ abort(); } if (pid == 0){ if (exec_f > 0){ close(fds[0]); dup2(fds[1], 1); }else{ close(fds[1]); dup2(fds[0], 0); } execvp(argv[1], &argv[1]); } if (exec_f > 0){ close(fds[1]); dup2(fds[0], 0); }else{ close(fds[0]); dup2(fds[1], 1); } argc = 0; break; } #endif } if(x0201_f == WISH_TRUE) x0201_f = ((!iso2022jp_f)? TRUE : NO_X0201); if (binmode_f == TRUE) #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__)) if (freopen("","wb",stdout) == NULL) return (-1); #else setbinmode(stdout); #endif if (unbuf_f) setbuf(stdout, (char *) NULL); else setvbuffer(stdout, (char *) stdobuf, IOBUF_SIZE); if (argc == 0) { if (binmode_f == TRUE) #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__)) if (freopen("","rb",stdin) == NULL) return (-1); #else setbinmode(stdin); #endif setvbuffer(stdin, (char *) stdibuf, IOBUF_SIZE); if (nop_f) noconvert(stdin); else { kanji_convert(stdin); if (guess_f) print_guessed_code(NULL); } } else { int nfiles = argc; int is_argument_error = FALSE; while (argc--) { is_inputcode_mixed = FALSE; is_inputcode_set = FALSE; input_codename = ""; #ifdef CHECK_OPTION iconv_for_check = 0; #endif if ((fin = fopen((origfname = *argv++), "r")) == NULL) { perror(*--argv); *argv++; is_argument_error = TRUE; continue; } else { #ifdef OVERWRITE int fd = 0; int fd_backup = 0; #endif /* reopen file for stdout */ if (file_out_f == TRUE) { #ifdef OVERWRITE if (overwrite_f){ outfname = malloc(strlen(origfname) + strlen(".nkftmpXXXXXX") + 1); if (!outfname){ perror(origfname); return -1; } strcpy(outfname, origfname); #ifdef MSDOS { int i; for (i = strlen(outfname); i; --i){ if (outfname[i - 1] == '/' || outfname[i - 1] == '\\'){ break; } } outfname[i] = '\0'; } strcat(outfname, "ntXXXXXX"); mktemp(outfname); fd = open(outfname, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, S_IREAD | S_IWRITE); #else strcat(outfname, ".nkftmpXXXXXX"); fd = mkstemp(outfname); #endif if (fd < 0 || (fd_backup = dup(fileno(stdout))) < 0 || dup2(fd, fileno(stdout)) < 0 ){ perror(origfname); return -1; } }else #endif if(argc == 1 ) { outfname = *argv++; argc--; } else { outfname = "nkf.out"; } if(freopen(outfname, "w", stdout) == NULL) { perror (outfname); return (-1); } if (binmode_f == TRUE) { #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__)) if (freopen("","wb",stdout) == NULL) return (-1); #else setbinmode(stdout); #endif } } if (binmode_f == TRUE) #if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__)) if (freopen("","rb",fin) == NULL) return (-1); #else setbinmode(fin); #endif setvbuffer(fin, (char *) stdibuf, IOBUF_SIZE); if (nop_f) noconvert(fin); else { char *filename = NULL; kanji_convert(fin); if (nfiles > 1) filename = origfname; if (guess_f) print_guessed_code(filename); } fclose(fin); #ifdef OVERWRITE if (overwrite_f) { struct stat sb; #if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) && !defined(__WATCOMC__) && !defined(__EMX__) && !defined(__OS2__) && !defined(__DJGPP__) time_t tb[2]; #else struct utimbuf tb; #endif fflush(stdout); close(fd); if (dup2(fd_backup, fileno(stdout)) < 0){ perror("dup2"); } if (stat(origfname, &sb)) { fprintf(stderr, "Can't stat %s\n", origfname); } /* パーミッションを復元 */ if (chmod(outfname, sb.st_mode)) { fprintf(stderr, "Can't set permission %s\n", outfname); } /* タイムスタンプを復元 */ if(preserve_time_f){ #if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) && !defined(__WATCOMC__) && !defined(__EMX__) && !defined(__OS2__) && !defined(__DJGPP__) tb[0] = tb[1] = sb.st_mtime; if (utime(outfname, tb)) { fprintf(stderr, "Can't set timestamp %s\n", outfname); } #else tb.actime = sb.st_atime; tb.modtime = sb.st_mtime; if (utime(outfname, &tb)) { fprintf(stderr, "Can't set timestamp %s\n", outfname); } #endif } if(backup_f){ char *backup_filename = get_backup_filename(backup_suffix, origfname); #ifdef MSDOS unlink(backup_filename); #endif if (rename(origfname, backup_filename)) { perror(backup_filename); fprintf(stderr, "Can't rename %s to %s\n", origfname, backup_filename); } }else{ #ifdef MSDOS if (unlink(origfname)){ perror(origfname); } #endif } if (rename(outfname, origfname)) { perror(origfname); fprintf(stderr, "Can't rename %s to %s\n", outfname, origfname); } free(outfname); } #endif } } if (is_argument_error) return(-1); } #ifdef EASYWIN /*Easy Win */ if (file_out_f == FALSE) scanf("%d",&end_check); else fclose(stdout); #else /* for Other OS */ if (file_out_f == TRUE) fclose(stdout); #endif /*Easy Win */ return (0); } #endif /* WIN32DLL */ #ifdef OVERWRITE char *get_backup_filename(const char *suffix, const char *filename) { char *backup_filename; int asterisk_count = 0; int i, j; int filename_length = strlen(filename); for(i = 0; suffix[i]; i++){ if(suffix[i] == '*') asterisk_count++; } if(asterisk_count){ backup_filename = malloc(strlen(suffix) + (asterisk_count * (filename_length - 1)) + 1); if (!backup_filename){ perror("Can't malloc backup filename."); return NULL; } for(i = 0, j = 0; suffix[i];){ if(suffix[i] == '*'){ backup_filename[j] = '\0'; strncat(backup_filename, filename, filename_length); i++; j += filename_length; }else{ backup_filename[j++] = suffix[i++]; } } backup_filename[j] = '\0'; }else{ j = strlen(suffix) + filename_length; backup_filename = malloc( + 1); strcpy(backup_filename, filename); strcat(backup_filename, suffix); backup_filename[j] = '\0'; } return backup_filename; } #endif static const struct { const char *name; const char *alias; } long_option[] = { {"ic=", ""}, {"oc=", ""}, {"base64","jMB"}, {"euc","e"}, {"euc-input","E"}, {"fj","jm"}, {"help","v"}, {"jis","j"}, {"jis-input","J"}, {"mac","sLm"}, {"mime","jM"}, {"mime-input","m"}, {"msdos","sLw"}, {"sjis","s"}, {"sjis-input","S"}, {"unix","eLu"}, {"version","V"}, {"windows","sLw"}, {"hiragana","h1"}, {"katakana","h2"}, {"katakana-hiragana","h3"}, {"guess", "g"}, {"cp932", ""}, {"no-cp932", ""}, #ifdef X0212_ENABLE {"x0212", ""}, #endif #ifdef UTF8_OUTPUT_ENABLE {"utf8", "w"}, {"utf16", "w16"}, {"ms-ucs-map", ""}, {"fb-skip", ""}, {"fb-html", ""}, {"fb-xml", ""}, {"fb-perl", ""}, {"fb-java", ""}, {"fb-subchar", ""}, {"fb-subchar=", ""}, #endif #ifdef UTF8_INPUT_ENABLE {"utf8-input", "W"}, {"utf16-input", "W16"}, {"no-cp932ext", ""}, {"no-best-fit-chars",""}, #endif #ifdef UNICODE_NORMALIZATION {"utf8mac-input", ""}, #endif #ifdef OVERWRITE {"overwrite", ""}, {"overwrite=", ""}, {"in-place", ""}, {"in-place=", ""}, #endif #ifdef INPUT_OPTION {"cap-input", ""}, {"url-input", ""}, #endif #ifdef NUMCHAR_OPTION {"numchar-input", ""}, #endif #ifdef CHECK_OPTION {"no-output", ""}, {"debug", ""}, #endif #ifdef SHIFTJIS_CP932 {"cp932inv", ""}, #endif #ifdef EXEC_IO {"exec-in", ""}, {"exec-out", ""}, #endif {"prefix=", ""}, }; static int option_mode = 0; void options(unsigned char *cp) { nkf_char i, j; unsigned char *p; unsigned char *cp_back = NULL; char codeset[32]; if (option_mode==1) return; while(*cp && *cp++!='-'); while (*cp || cp_back) { if(!*cp){ cp = cp_back; cp_back = NULL; continue; } p = 0; switch (*cp++) { case '-': /* literal options */ if (!*cp || *cp == SPACE) { /* ignore the rest of arguments */ option_mode = 1; return; } for (i=0;iname); debug(input_codename); } iconv_for_check = iconv; } #endif } #define SCORE_L2 (1) /* 第2水準漢字 */ #define SCORE_KANA (SCORE_L2 << 1) /* いわゆる半角カナ */ #define SCORE_DEPEND (SCORE_KANA << 1) /* 機種依存文字 */ #ifdef SHIFTJIS_CP932 #define SCORE_CP932 (SCORE_DEPEND << 1) /* CP932 による読み換え */ #define SCORE_NO_EXIST (SCORE_CP932 << 1) /* 存在しない文字 */ #else #define SCORE_NO_EXIST (SCORE_DEPEND << 1) /* 存在しない文字 */ #endif #define SCORE_iMIME (SCORE_NO_EXIST << 1) /* MIME による指定 */ #define SCORE_ERROR (SCORE_iMIME << 1) /* エラー */ #define SCORE_INIT (SCORE_iMIME) const nkf_char score_table_A0[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_NO_EXIST, }; const nkf_char score_table_F0[] = { SCORE_L2, SCORE_L2, SCORE_L2, SCORE_L2, SCORE_L2, SCORE_DEPEND, SCORE_NO_EXIST, SCORE_NO_EXIST, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_NO_EXIST, SCORE_NO_EXIST, SCORE_ERROR, }; void set_code_score(struct input_code *ptr, nkf_char score) { if (ptr){ ptr->score |= score; } } void clr_code_score(struct input_code *ptr, nkf_char score) { if (ptr){ ptr->score &= ~score; } } void code_score(struct input_code *ptr) { nkf_char c2 = ptr->buf[0]; #ifdef UTF8_OUTPUT_ENABLE nkf_char c1 = ptr->buf[1]; #endif if (c2 < 0){ set_code_score(ptr, SCORE_ERROR); }else if (c2 == SSO){ set_code_score(ptr, SCORE_KANA); #ifdef UTF8_OUTPUT_ENABLE }else if (!e2w_conv(c2, c1)){ set_code_score(ptr, SCORE_NO_EXIST); #endif }else if ((c2 & 0x70) == 0x20){ set_code_score(ptr, score_table_A0[c2 & 0x0f]); }else if ((c2 & 0x70) == 0x70){ set_code_score(ptr, score_table_F0[c2 & 0x0f]); }else if ((c2 & 0x70) >= 0x50){ set_code_score(ptr, SCORE_L2); } } void status_disable(struct input_code *ptr) { ptr->stat = -1; ptr->buf[0] = -1; code_score(ptr); if (iconv == ptr->iconv_func) set_iconv(FALSE, 0); } void status_push_ch(struct input_code *ptr, nkf_char c) { ptr->buf[ptr->index++] = c; } void status_clear(struct input_code *ptr) { ptr->stat = 0; ptr->index = 0; } void status_reset(struct input_code *ptr) { status_clear(ptr); ptr->score = SCORE_INIT; } void status_reinit(struct input_code *ptr) { status_reset(ptr); ptr->_file_stat = 0; } void status_check(struct input_code *ptr, nkf_char c) { if (c <= DEL && estab_f){ status_reset(ptr); } } void s_status(struct input_code *ptr, nkf_char c) { switch(ptr->stat){ case -1: status_check(ptr, c); break; case 0: if (c <= DEL){ break; #ifdef NUMCHAR_OPTION }else if (is_unicode_capsule(c)){ break; #endif }else if (0xa1 <= c && c <= 0xdf){ status_push_ch(ptr, SSO); status_push_ch(ptr, c); code_score(ptr); status_clear(ptr); }else if ((0x81 <= c && c < 0xa0) || (0xe0 <= c && c <= 0xef)){ ptr->stat = 1; status_push_ch(ptr, c); #ifdef SHIFTJIS_CP932 }else if (cp51932_f && is_ibmext_in_sjis(c)){ ptr->stat = 2; status_push_ch(ptr, c); #endif /* SHIFTJIS_CP932 */ #ifdef X0212_ENABLE }else if (x0212_f && 0xf0 <= c && c <= 0xfc){ ptr->stat = 1; status_push_ch(ptr, c); #endif /* X0212_ENABLE */ }else{ status_disable(ptr); } break; case 1: if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){ status_push_ch(ptr, c); s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]); code_score(ptr); status_clear(ptr); }else{ status_disable(ptr); } break; case 2: #ifdef SHIFTJIS_CP932 if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){ status_push_ch(ptr, c); if (s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]) == 0){ set_code_score(ptr, SCORE_CP932); status_clear(ptr); break; } } #endif /* SHIFTJIS_CP932 */ #ifndef X0212_ENABLE status_disable(ptr); #endif break; } } void e_status(struct input_code *ptr, nkf_char c) { switch (ptr->stat){ case -1: status_check(ptr, c); break; case 0: if (c <= DEL){ break; #ifdef NUMCHAR_OPTION }else if (is_unicode_capsule(c)){ break; #endif }else if (SSO == c || (0xa1 <= c && c <= 0xfe)){ ptr->stat = 1; status_push_ch(ptr, c); #ifdef X0212_ENABLE }else if (0x8f == c){ ptr->stat = 2; status_push_ch(ptr, c); #endif /* X0212_ENABLE */ }else{ status_disable(ptr); } break; case 1: if (0xa1 <= c && c <= 0xfe){ status_push_ch(ptr, c); code_score(ptr); status_clear(ptr); }else{ status_disable(ptr); } break; #ifdef X0212_ENABLE case 2: if (0xa1 <= c && c <= 0xfe){ ptr->stat = 1; status_push_ch(ptr, c); }else{ status_disable(ptr); } #endif /* X0212_ENABLE */ } } #ifdef UTF8_INPUT_ENABLE void w_status(struct input_code *ptr, nkf_char c) { switch (ptr->stat){ case -1: status_check(ptr, c); break; case 0: if (c <= DEL){ break; #ifdef NUMCHAR_OPTION }else if (is_unicode_capsule(c)){ break; #endif }else if (0xc0 <= c && c <= 0xdf){ ptr->stat = 1; status_push_ch(ptr, c); }else if (0xe0 <= c && c <= 0xef){ ptr->stat = 2; status_push_ch(ptr, c); }else if (0xf0 <= c && c <= 0xf4){ ptr->stat = 3; status_push_ch(ptr, c); }else{ status_disable(ptr); } break; case 1: case 2: if (0x80 <= c && c <= 0xbf){ status_push_ch(ptr, c); if (ptr->index > ptr->stat){ int bom = (ptr->buf[0] == 0xef && ptr->buf[1] == 0xbb && ptr->buf[2] == 0xbf); w2e_conv(ptr->buf[0], ptr->buf[1], ptr->buf[2], &ptr->buf[0], &ptr->buf[1]); if (!bom){ code_score(ptr); } status_clear(ptr); } }else{ status_disable(ptr); } break; case 3: if (0x80 <= c && c <= 0xbf){ if (ptr->index < ptr->stat){ status_push_ch(ptr, c); } else { status_clear(ptr); } }else{ status_disable(ptr); } break; } } #endif void code_status(nkf_char c) { int action_flag = 1; struct input_code *result = 0; struct input_code *p = input_code_list; while (p->name){ if (!p->status_func) { ++p; continue; } if (!p->status_func) continue; (p->status_func)(p, c); if (p->stat > 0){ action_flag = 0; }else if(p->stat == 0){ if (result){ action_flag = 0; }else{ result = p; } } ++p; } if (action_flag){ if (result && !estab_f){ set_iconv(TRUE, result->iconv_func); }else if (c <= DEL){ struct input_code *ptr = input_code_list; while (ptr->name){ status_reset(ptr); ++ptr; } } } } #ifndef WIN32DLL nkf_char std_getc(FILE *f) { if (std_gc_ndx){ return std_gc_buf[--std_gc_ndx]; } return getc(f); } #endif /*WIN32DLL*/ nkf_char std_ungetc(nkf_char c, FILE *f) { if (std_gc_ndx == STD_GC_BUFSIZE){ return EOF; } std_gc_buf[std_gc_ndx++] = c; return c; } #ifndef WIN32DLL void std_putc(nkf_char c) { if(c!=EOF) putchar(c); } #endif /*WIN32DLL*/ #if !defined(PERL_XS) && !defined(WIN32DLL) nkf_char noconvert(FILE *f) { nkf_char c; if (nop_f == 2) module_connection(); while ((c = (*i_getc)(f)) != EOF) (*o_putc)(c); (*o_putc)(EOF); return 1; } #endif void module_connection(void) { oconv = output_conv; o_putc = std_putc; /* replace continucation module, from output side */ /* output redicrection */ #ifdef CHECK_OPTION if (noout_f || guess_f){ o_putc = no_putc; } #endif if (mimeout_f) { o_mputc = o_putc; o_putc = mime_putc; if (mimeout_f == TRUE) { o_base64conv = oconv; oconv = base64_conv; } /* base64_count = 0; */ } if (crmode_f) { o_crconv = oconv; oconv = cr_conv; } if (rot_f) { o_rot_conv = oconv; oconv = rot_conv; } if (iso2022jp_f) { o_iso2022jp_check_conv = oconv; oconv = iso2022jp_check_conv; } if (hira_f) { o_hira_conv = oconv; oconv = hira_conv; } if (fold_f) { o_fconv = oconv; oconv = fold_conv; f_line = 0; } if (alpha_f || x0201_f) { o_zconv = oconv; oconv = z_conv; } i_getc = std_getc; i_ungetc = std_ungetc; /* input redicrection */ #ifdef INPUT_OPTION if (cap_f){ i_cgetc = i_getc; i_getc = cap_getc; i_cungetc = i_ungetc; i_ungetc= cap_ungetc; } if (url_f){ i_ugetc = i_getc; i_getc = url_getc; i_uungetc = i_ungetc; i_ungetc= url_ungetc; } #endif #ifdef NUMCHAR_OPTION if (numchar_f){ i_ngetc = i_getc; i_getc = numchar_getc; i_nungetc = i_ungetc; i_ungetc= numchar_ungetc; } #endif #ifdef UNICODE_NORMALIZATION if (nfc_f && input_f == UTF8_INPUT){ i_nfc_getc = i_getc; i_getc = nfc_getc; i_nfc_ungetc = i_ungetc; i_ungetc= nfc_ungetc; } #endif if (mime_f && mimebuf_f==FIXED_MIME) { i_mgetc = i_getc; i_getc = mime_getc; i_mungetc = i_ungetc; i_ungetc = mime_ungetc; } if (broken_f & 1) { i_bgetc = i_getc; i_getc = broken_getc; i_bungetc = i_ungetc; i_ungetc = broken_ungetc; } if (input_f == JIS_INPUT || input_f == EUC_INPUT || input_f == LATIN1_INPUT) { set_iconv(-TRUE, e_iconv); } else if (input_f == SJIS_INPUT) { set_iconv(-TRUE, s_iconv); #ifdef UTF8_INPUT_ENABLE } else if (input_f == UTF8_INPUT) { set_iconv(-TRUE, w_iconv); } else if (input_f == UTF16_INPUT) { set_iconv(-TRUE, w_iconv16); } else if (input_f == UTF32_INPUT) { set_iconv(-TRUE, w_iconv32); #endif } else { set_iconv(FALSE, e_iconv); } { struct input_code *p = input_code_list; while (p->name){ status_reinit(p++); } } } /* * Check and Ignore BOM */ void check_bom(FILE *f) { int c2; switch(c2 = (*i_getc)(f)){ case 0x00: if((c2 = (*i_getc)(f)) == 0x00){ if((c2 = (*i_getc)(f)) == 0xFE){ if((c2 = (*i_getc)(f)) == 0xFF){ if(!input_f){ set_iconv(TRUE, w_iconv32); } if (iconv == w_iconv32) { input_endian = ENDIAN_BIG; return; } (*i_ungetc)(0xFF,f); }else (*i_ungetc)(c2,f); (*i_ungetc)(0xFE,f); }else if(c2 == 0xFF){ if((c2 = (*i_getc)(f)) == 0xFE){ if(!input_f){ set_iconv(TRUE, w_iconv32); } if (iconv == w_iconv32) { input_endian = ENDIAN_2143; return; } (*i_ungetc)(0xFF,f); }else (*i_ungetc)(c2,f); (*i_ungetc)(0xFF,f); }else (*i_ungetc)(c2,f); (*i_ungetc)(0x00,f); }else (*i_ungetc)(c2,f); (*i_ungetc)(0x00,f); break; case 0xEF: if((c2 = (*i_getc)(f)) == 0xBB){ if((c2 = (*i_getc)(f)) == 0xBF){ if(!input_f){ set_iconv(TRUE, w_iconv); } if (iconv == w_iconv) { return; } (*i_ungetc)(0xBF,f); }else (*i_ungetc)(c2,f); (*i_ungetc)(0xBB,f); }else (*i_ungetc)(c2,f); (*i_ungetc)(0xEF,f); break; case 0xFE: if((c2 = (*i_getc)(f)) == 0xFF){ if((c2 = (*i_getc)(f)) == 0x00){ if((c2 = (*i_getc)(f)) == 0x00){ if(!input_f){ set_iconv(TRUE, w_iconv32); } if (iconv == w_iconv32) { input_endian = ENDIAN_3412; return; } (*i_ungetc)(0x00,f); }else (*i_ungetc)(c2,f); (*i_ungetc)(0x00,f); }else (*i_ungetc)(c2,f); if(!input_f){ set_iconv(TRUE, w_iconv16); } if (iconv == w_iconv16) { input_endian = ENDIAN_BIG; return; } (*i_ungetc)(0xFF,f); }else (*i_ungetc)(c2,f); (*i_ungetc)(0xFE,f); break; case 0xFF: if((c2 = (*i_getc)(f)) == 0xFE){ if((c2 = (*i_getc)(f)) == 0x00){ if((c2 = (*i_getc)(f)) == 0x00){ if(!input_f){ set_iconv(TRUE, w_iconv32); } if (iconv == w_iconv32) { input_endian = ENDIAN_LITTLE; return; } (*i_ungetc)(0x00,f); }else (*i_ungetc)(c2,f); (*i_ungetc)(0x00,f); }else (*i_ungetc)(c2,f); if(!input_f){ set_iconv(TRUE, w_iconv16); } if (iconv == w_iconv16) { input_endian = ENDIAN_LITTLE; return; } (*i_ungetc)(0xFE,f); }else (*i_ungetc)(c2,f); (*i_ungetc)(0xFF,f); break; default: (*i_ungetc)(c2,f); break; } } /* Conversion main loop. Code detection only. */ nkf_char kanji_convert(FILE *f) { nkf_char c3, c2=0, c1, c0=0; int is_8bit = FALSE; if(input_f == SJIS_INPUT || input_f == EUC_INPUT #ifdef UTF8_INPUT_ENABLE || input_f == UTF8_INPUT || input_f == UTF16_INPUT #endif ){ is_8bit = TRUE; } input_mode = ASCII; output_mode = ASCII; shift_mode = FALSE; #define NEXT continue /* no output, get next */ #define SEND ; /* output c1 and c2, get next */ #define LAST break /* end of loop, go closing */ module_connection(); check_bom(f); while ((c1 = (*i_getc)(f)) != EOF) { #ifdef INPUT_CODE_FIX if (!input_f) #endif code_status(c1); if (c2) { /* second byte */ if (c2 > ((input_f == JIS_INPUT && ms_ucs_map_f) ? 0x92 : DEL)) { /* in case of 8th bit is on */ if (!estab_f&&!mime_decode_mode) { /* in case of not established yet */ /* It is still ambiguious */ if (h_conv(f, c2, c1)==EOF) LAST; else c2 = 0; NEXT; } else { /* in case of already established */ if (c1 < AT) { /* ignore bogus code and not CP5022x UCD */ c2 = 0; NEXT; } else { SEND; } } } else /* second byte, 7 bit code */ /* it might be kanji shitfted */ if ((c1 == DEL) || (c1 <= SPACE)) { /* ignore bogus first code */ c2 = 0; NEXT; } else SEND; } else { /* first byte */ #ifdef UTF8_INPUT_ENABLE if (iconv == w_iconv16) { if (input_endian == ENDIAN_BIG) { c2 = c1; if ((c1 = (*i_getc)(f)) != EOF) { if (0xD8 <= c2 && c2 <= 0xDB) { if ((c0 = (*i_getc)(f)) != EOF) { c0 <<= 8; if ((c3 = (*i_getc)(f)) != EOF) { c0 |= c3; } else c2 = EOF; } else c2 = EOF; } } else c2 = EOF; } else { if ((c2 = (*i_getc)(f)) != EOF) { if (0xD8 <= c2 && c2 <= 0xDB) { if ((c3 = (*i_getc)(f)) != EOF) { if ((c0 = (*i_getc)(f)) != EOF) { c0 <<= 8; c0 |= c3; } else c2 = EOF; } else c2 = EOF; } } else c2 = EOF; } SEND; } else if(iconv == w_iconv32){ int c3 = c1; if((c2 = (*i_getc)(f)) != EOF && (c1 = (*i_getc)(f)) != EOF && (c0 = (*i_getc)(f)) != EOF){ switch(input_endian){ case ENDIAN_BIG: c1 = (c2&0xFF)<<16 | (c1&0xFF)<<8 | (c0&0xFF); break; case ENDIAN_LITTLE: c1 = (c3&0xFF) | (c2&0xFF)<<8 | (c1&0xFF)<<16; break; case ENDIAN_2143: c1 = (c3&0xFF)<<16 | (c1&0xFF) | (c0&0xFF)<<8; break; case ENDIAN_3412: c1 = (c3&0xFF)<<8 | (c2&0xFF) | (c0&0xFF)<<16; break; } c2 = 0; }else{ c2 = EOF; } SEND; } else #endif #ifdef NUMCHAR_OPTION if (is_unicode_capsule(c1)){ SEND; } else #endif if (c1 > ((input_f == JIS_INPUT && ms_ucs_map_f) ? 0x92 : DEL)) { /* 8 bit code */ if (!estab_f && !iso8859_f) { /* not established yet */ c2 = c1; NEXT; } else { /* estab_f==TRUE */ if (iso8859_f) { c2 = ISO8859_1; c1 &= 0x7f; SEND; } else if (SSP<=c1 && c1<0xe0 && iconv == s_iconv) { /* SJIS X0201 Case... */ if(iso2022jp_f && x0201_f==NO_X0201) { (*oconv)(GETA1, GETA2); NEXT; } else { c2 = X0201; c1 &= 0x7f; SEND; } } else if (c1==SSO && iconv != s_iconv) { /* EUC X0201 Case */ c1 = (*i_getc)(f); /* skip SSO */ code_status(c1); if (SSP<=c1 && c1<0xe0) { if(iso2022jp_f && x0201_f==NO_X0201) { (*oconv)(GETA1, GETA2); NEXT; } else { c2 = X0201; c1 &= 0x7f; SEND; } } else { /* bogus code, skip SSO and one byte */ NEXT; } } else { /* already established */ c2 = c1; NEXT; } } } else if ((c1 > SPACE) && (c1 != DEL)) { /* in case of Roman characters */ if (shift_mode) { /* output 1 shifted byte */ if (iso8859_f) { c2 = ISO8859_1; SEND; } else if (SPACE<=c1 && c1<(0xe0&0x7f) ){ /* output 1 shifted byte */ if(iso2022jp_f && x0201_f==NO_X0201) { (*oconv)(GETA1, GETA2); NEXT; } else { c2 = X0201; SEND; } } else { /* look like bogus code */ NEXT; } } else if (input_mode == X0208 || input_mode == X0212 || input_mode == X0213_1 || input_mode == X0213_2) { /* in case of Kanji shifted */ c2 = c1; NEXT; } else if (c1 == '=' && mime_f && !mime_decode_mode ) { /* Check MIME code */ if ((c1 = (*i_getc)(f)) == EOF) { (*oconv)(0, '='); LAST; } else if (c1 == '?') { /* =? is mime conversion start sequence */ if(mime_f == STRICT_MIME) { /* check in real detail */ if (mime_begin_strict(f) == EOF) LAST; else NEXT; } else if (mime_begin(f) == EOF) LAST; else NEXT; } else { (*oconv)(0, '='); (*i_ungetc)(c1,f); NEXT; } } else { /* normal ASCII code */ SEND; } } else if (c1 == SI && (!is_8bit || mime_decode_mode)) { shift_mode = FALSE; NEXT; } else if (c1 == SO && (!is_8bit || mime_decode_mode)) { shift_mode = TRUE; NEXT; } else if (c1 == ESC && (!is_8bit || mime_decode_mode)) { if ((c1 = (*i_getc)(f)) == EOF) { /* (*oconv)(0, ESC); don't send bogus code */ LAST; } else if (c1 == '$') { if ((c1 = (*i_getc)(f)) == EOF) { /* (*oconv)(0, ESC); don't send bogus code (*oconv)(0, '$'); */ LAST; } else if (c1 == '@'|| c1 == 'B') { /* This is kanji introduction */ input_mode = X0208; shift_mode = FALSE; set_input_codename("ISO-2022-JP"); #ifdef CHECK_OPTION debug(input_codename); #endif NEXT; } else if (c1 == '(') { if ((c1 = (*i_getc)(f)) == EOF) { /* don't send bogus code (*oconv)(0, ESC); (*oconv)(0, '$'); (*oconv)(0, '('); */ LAST; } else if (c1 == '@'|| c1 == 'B') { /* This is kanji introduction */ input_mode = X0208; shift_mode = FALSE; NEXT; #ifdef X0212_ENABLE } else if (c1 == 'D'){ input_mode = X0212; shift_mode = FALSE; NEXT; #endif /* X0212_ENABLE */ } else if (c1 == (X0213_1&0x7F)){ input_mode = X0213_1; shift_mode = FALSE; NEXT; } else if (c1 == (X0213_2&0x7F)){ input_mode = X0213_2; shift_mode = FALSE; NEXT; } else { /* could be some special code */ (*oconv)(0, ESC); (*oconv)(0, '$'); (*oconv)(0, '('); (*oconv)(0, c1); NEXT; } } else if (broken_f&0x2) { /* accept any ESC-(-x as broken code ... */ input_mode = X0208; shift_mode = FALSE; NEXT; } else { (*oconv)(0, ESC); (*oconv)(0, '$'); (*oconv)(0, c1); NEXT; } } else if (c1 == '(') { if ((c1 = (*i_getc)(f)) == EOF) { /* don't send bogus code (*oconv)(0, ESC); (*oconv)(0, '('); */ LAST; } else { if (c1 == 'I') { /* This is X0201 kana introduction */ input_mode = X0201; shift_mode = X0201; NEXT; } else if (c1 == 'B' || c1 == 'J' || c1 == 'H') { /* This is X0208 kanji introduction */ input_mode = ASCII; shift_mode = FALSE; NEXT; } else if (broken_f&0x2) { input_mode = ASCII; shift_mode = FALSE; NEXT; } else { (*oconv)(0, ESC); (*oconv)(0, '('); /* maintain various input_mode here */ SEND; } } } else if ( c1 == 'N' || c1 == 'n' ){ /* SS2 */ c3 = (*i_getc)(f); /* skip SS2 */ if ( (SPACE<=c3 && c3 < 0x60) || (0xa0<=c3 && c3 < 0xe0)){ c1 = c3; c2 = X0201; SEND; }else{ (*i_ungetc)(c3, f); /* lonely ESC */ (*oconv)(0, ESC); SEND; } } else { /* lonely ESC */ (*oconv)(0, ESC); SEND; } } else if (c1 == ESC && iconv == s_iconv) { /* ESC in Shift_JIS */ if ((c1 = (*i_getc)(f)) == EOF) { /* (*oconv)(0, ESC); don't send bogus code */ LAST; } else if (c1 == '$') { /* J-PHONE emoji */ if ((c1 = (*i_getc)(f)) == EOF) { /* (*oconv)(0, ESC); don't send bogus code (*oconv)(0, '$'); */ LAST; } else { if (('E' <= c1 && c1 <= 'G') || ('O' <= c1 && c1 <= 'Q')) { /* NUM : 0 1 2 3 4 5 BYTE: G E F O P Q C%7 : 1 6 0 2 3 4 C%7 : 0 1 2 3 4 5 6 NUM : 2 0 3 4 5 X 1 */ static const int jphone_emoji_first_table[7] = {2, 0, 3, 4, 5, 0, 1}; c0 = (jphone_emoji_first_table[c1 % 7] << 8) - SPACE + 0xE000 + CLASS_UNICODE; while ((c1 = (*i_getc)(f)) != EOF) { if (SPACE <= c1 && c1 <= 'z') { (*oconv)(0, c1 + c0); } else break; /* c1 == SO */ } } } if (c1 == EOF) LAST; NEXT; } else { /* lonely ESC */ (*oconv)(0, ESC); SEND; } } else if ((c1 == NL || c1 == CR) && broken_f&4) { input_mode = ASCII; set_iconv(FALSE, 0); SEND; } else if (c1 == NL && mime_decode_f && !mime_decode_mode ) { if ((c1=(*i_getc)(f))!=EOF && c1 == SPACE) { i_ungetc(SPACE,f); continue; } else { i_ungetc(c1,f); } c1 = NL; SEND; } else if (c1 == CR && mime_decode_f && !mime_decode_mode ) { if ((c1=(*i_getc)(f))!=EOF) { if (c1==SPACE) { i_ungetc(SPACE,f); continue; } else if (c1 == NL && (c1=(*i_getc)(f))!=EOF && c1 == SPACE) { i_ungetc(SPACE,f); continue; } else { i_ungetc(c1,f); } i_ungetc(NL,f); } else { i_ungetc(c1,f); } c1 = CR; SEND; } else if (c1 == DEL && input_mode == X0208 ) { /* CP5022x */ c2 = c1; NEXT; } else SEND; } /* send: */ switch(input_mode){ case ASCII: switch ((*iconv)(c2, c1, c0)) { /* can be EUC / SJIS / UTF-8 / UTF-16 */ case -2: /* 4 bytes UTF-8 */ if ((c0 = (*i_getc)(f)) != EOF) { code_status(c0); c0 <<= 8; if ((c3 = (*i_getc)(f)) != EOF) { code_status(c3); (*iconv)(c2, c1, c0|c3); } } break; case -1: /* 3 bytes EUC or UTF-8 */ if ((c0 = (*i_getc)(f)) != EOF) { code_status(c0); (*iconv)(c2, c1, c0); } break; } break; case X0208: case X0213_1: if (ms_ucs_map_f && 0x7F <= c2 && c2 <= 0x92 && 0x21 <= c1 && c1 <= 0x7E) { /* CP932 UDC */ if(c1 == 0x7F) return 0; c1 = (c2 - 0x7F) * 94 + c1 - 0x21 + 0xE000 + CLASS_UNICODE; c2 = 0; } (*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */ break; #ifdef X0212_ENABLE case X0212: (*oconv)(PREFIX_EUCG3 | c2, c1); break; #endif /* X0212_ENABLE */ case X0213_2: (*oconv)(PREFIX_EUCG3 | c2, c1); break; default: (*oconv)(input_mode, c1); /* other special case */ } c2 = 0; c0 = 0; continue; /* goto next_word */ } /* epilogue */ (*iconv)(EOF, 0, 0); if (!is_inputcode_set) { if (is_8bit) { struct input_code *p = input_code_list; struct input_code *result = p; while (p->name){ if (p->score < result->score) result = p; ++p; } set_input_codename(result->name); } } return 1; } nkf_char h_conv(FILE *f, nkf_char c2, nkf_char c1) { nkf_char ret, c3, c0; int hold_index; /** it must NOT be in the kanji shifte sequence */ /** it must NOT be written in JIS7 */ /** and it must be after 2 byte 8bit code */ hold_count = 0; push_hold_buf(c2); push_hold_buf(c1); while ((c1 = (*i_getc)(f)) != EOF) { if (c1 == ESC){ (*i_ungetc)(c1,f); break; } code_status(c1); if (push_hold_buf(c1) == EOF || estab_f){ break; } } if (!estab_f){ struct input_code *p = input_code_list; struct input_code *result = p; if (c1 == EOF){ code_status(c1); } while (p->name){ if (p->score < result->score){ result = p; } ++p; } set_iconv(FALSE, result->iconv_func); } /** now, ** 1) EOF is detected, or ** 2) Code is established, or ** 3) Buffer is FULL (but last word is pushed) ** ** in 1) and 3) cases, we continue to use ** Kanji codes by oconv and leave estab_f unchanged. **/ ret = c1; hold_index = 0; while (hold_index < hold_count){ c2 = hold_buf[hold_index++]; if (c2 <= DEL #ifdef NUMCHAR_OPTION || is_unicode_capsule(c2) #endif ){ (*iconv)(0, c2, 0); continue; }else if (iconv == s_iconv && 0xa1 <= c2 && c2 <= 0xdf){ (*iconv)(X0201, c2, 0); continue; } if (hold_index < hold_count){ c1 = hold_buf[hold_index++]; }else{ c1 = (*i_getc)(f); if (c1 == EOF){ c3 = EOF; break; } code_status(c1); } c0 = 0; switch ((*iconv)(c2, c1, 0)) { /* can be EUC/SJIS/UTF-8 */ case -2: /* 4 bytes UTF-8 */ if (hold_index < hold_count){ c0 = hold_buf[hold_index++]; } else if ((c0 = (*i_getc)(f)) == EOF) { ret = EOF; break; } else { code_status(c0); c0 <<= 8; if (hold_index < hold_count){ c3 = hold_buf[hold_index++]; } else if ((c3 = (*i_getc)(f)) == EOF) { c0 = ret = EOF; break; } else { code_status(c3); (*iconv)(c2, c1, c0|c3); } } break; case -1: /* 3 bytes EUC or UTF-8 */ if (hold_index < hold_count){ c0 = hold_buf[hold_index++]; } else if ((c0 = (*i_getc)(f)) == EOF) { ret = EOF; break; } else { code_status(c0); } (*iconv)(c2, c1, c0); break; } if (c0 == EOF) break; } return ret; } nkf_char push_hold_buf(nkf_char c2) { if (hold_count >= HOLD_SIZE*2) return (EOF); hold_buf[hold_count++] = (unsigned char)c2; return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count); } nkf_char s2e_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1) { #if defined(SHIFTJIS_CP932) || defined(X0212_ENABLE) nkf_char val; #endif static const nkf_char shift_jisx0213_s1a3_table[5][2] ={ { 1, 8}, { 3, 4}, { 5,12}, {13,14}, {15, 0} }; #ifdef SHIFTJIS_CP932 if (!cp932inv_f && is_ibmext_in_sjis(c2)){ #if 0 extern const unsigned short shiftjis_cp932[3][189]; #endif val = shiftjis_cp932[c2 - CP932_TABLE_BEGIN][c1 - 0x40]; if (val){ c2 = val >> 8; c1 = val & 0xff; } } if (cp932inv_f && CP932INV_TABLE_BEGIN <= c2 && c2 <= CP932INV_TABLE_END){ #if 0 extern const unsigned short cp932inv[2][189]; #endif nkf_char c = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40]; if (c){ c2 = c >> 8; c1 = c & 0xff; } } #endif /* SHIFTJIS_CP932 */ #ifdef X0212_ENABLE if (!x0213_f && is_ibmext_in_sjis(c2)){ #if 0 extern const unsigned short shiftjis_x0212[3][189]; #endif val = shiftjis_x0212[c2 - 0xfa][c1 - 0x40]; if (val){ if (val > 0x7FFF){ c2 = PREFIX_EUCG3 | ((val >> 8) & 0x7f); c1 = val & 0xff; }else{ c2 = val >> 8; c1 = val & 0xff; } if (p2) *p2 = c2; if (p1) *p1 = c1; return 0; } } #endif if(c2 >= 0x80){ if(x0213_f && c2 >= 0xF0){ if(c2 <= 0xF3 || (c2 == 0xF4 && c1 < 0x9F)){ /* k=1, 3<=k<=5, k=8, 12<=k<=15 */ c2 = PREFIX_EUCG3 | 0x20 | shift_jisx0213_s1a3_table[c2 - 0xF0][0x9E < c1]; }else{ /* 78<=k<=94 */ c2 = PREFIX_EUCG3 | (c2 * 2 - 0x17B); if (0x9E < c1) c2++; } }else{ c2 = c2 + c2 - ((c2 <= 0x9F) ? SJ0162 : SJ6394); if (0x9E < c1) c2++; } if (c1 < 0x9F) c1 = c1 - ((c1 > DEL) ? SPACE : 0x1F); else { c1 = c1 - 0x7E; } } #ifdef X0212_ENABLE c2 = x0212_unshift(c2); #endif if (p2) *p2 = c2; if (p1) *p1 = c1; return 0; } nkf_char s_iconv(nkf_char c2, nkf_char c1, nkf_char c0) { if (c2 == X0201) { c1 &= 0x7f; } else if ((c2 == EOF) || (c2 == 0) || c2 < SPACE) { /* NOP */ } else if (!x0213_f && 0xF0 <= c2 && c2 <= 0xF9 && 0x40 <= c1 && c1 <= 0xFC) { /* CP932 UDC */ if(c1 == 0x7F) return 0; c1 = (c2 - 0xF0) * 188 + (c1 - 0x40 - (0x7E < c1)) + 0xE000 + CLASS_UNICODE; c2 = 0; } else { nkf_char ret = s2e_conv(c2, c1, &c2, &c1); if (ret) return ret; } (*oconv)(c2, c1); return 0; } nkf_char e_iconv(nkf_char c2, nkf_char c1, nkf_char c0) { if (c2 == X0201) { c1 &= 0x7f; #ifdef X0212_ENABLE }else if (c2 == 0x8f){ if (c0 == 0){ return -1; } if (!cp51932_f && !x0213_f && 0xF5 <= c1 && c1 <= 0xFE && 0xA1 <= c0 && c0 <= 0xFE) { /* encoding is eucJP-ms, so invert to Unicode Private User Area */ c1 = (c1 - 0xF5) * 94 + c0 - 0xA1 + 0xE3AC + CLASS_UNICODE; c2 = 0; } else { c2 = (c2 << 8) | (c1 & 0x7f); c1 = c0 & 0x7f; #ifdef SHIFTJIS_CP932 if (cp51932_f){ nkf_char s2, s1; if (e2s_conv(c2, c1, &s2, &s1) == 0){ s2e_conv(s2, s1, &c2, &c1); if (c2 < 0x100){ c1 &= 0x7f; c2 &= 0x7f; } } } #endif /* SHIFTJIS_CP932 */ } #endif /* X0212_ENABLE */ } else if (c2 == SSO){ c2 = X0201; c1 &= 0x7f; } else if ((c2 == EOF) || (c2 == 0) || c2 < SPACE) { /* NOP */ } else { if (!cp51932_f && ms_ucs_map_f && 0xF5 <= c2 && c2 <= 0xFE && 0xA1 <= c1 && c1 <= 0xFE) { /* encoding is eucJP-ms, so invert to Unicode Private User Area */ c1 = (c2 - 0xF5) * 94 + c1 - 0xA1 + 0xE000 + CLASS_UNICODE; c2 = 0; } else { c1 &= 0x7f; c2 &= 0x7f; #ifdef SHIFTJIS_CP932 if (cp51932_f && 0x79 <= c2 && c2 <= 0x7c){ nkf_char s2, s1; if (e2s_conv(c2, c1, &s2, &s1) == 0){ s2e_conv(s2, s1, &c2, &c1); if (c2 < 0x100){ c1 &= 0x7f; c2 &= 0x7f; } } } #endif /* SHIFTJIS_CP932 */ } } (*oconv)(c2, c1); return 0; } #ifdef UTF8_INPUT_ENABLE nkf_char w2e_conv(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1) { nkf_char ret = 0; if (!c1){ *p2 = 0; *p1 = c2; }else if (0xc0 <= c2 && c2 <= 0xef) { ret = unicode_to_jis_common(c2, c1, c0, p2, p1); #ifdef NUMCHAR_OPTION if (ret > 0){ if (p2) *p2 = 0; if (p1) *p1 = CLASS_UNICODE | ww16_conv(c2, c1, c0); ret = 0; } #endif } return ret; } nkf_char w_iconv(nkf_char c2, nkf_char c1, nkf_char c0) { nkf_char ret = 0; static const int w_iconv_utf8_1st_byte[] = { /* 0xC0 - 0xFF */ 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 30, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 32, 33, 33, 40, 41, 41, 41, 42, 43, 43, 43, 50, 50, 50, 50, 60, 60, 70, 70}; if (c2 < 0 || 0xff < c2) { }else if (c2 == 0) { /* 0 : 1 byte*/ c0 = 0; } else if ((c2 & 0xc0) == 0x80) { /* 0x80-0xbf : trail byte */ return 0; } else{ switch (w_iconv_utf8_1st_byte[c2 - 0xC0]) { case 21: if (c1 < 0x80 || 0xBF < c1) return 0; break; case 30: if (c0 == 0) return -1; if (c1 < 0xA0 || 0xBF < c1 || (c0 & 0xc0) != 0x80) return 0; break; case 31: case 33: if (c0 == 0) return -1; if ((c1 & 0xc0) != 0x80 || (c0 & 0xc0) != 0x80) return 0; break; case 32: if (c0 == 0) return -1; if (c1 < 0x80 || 0x9F < c1 || (c0 & 0xc0) != 0x80) return 0; break; case 40: if (c0 == 0) return -2; if (c1 < 0x90 || 0xBF < c1 || (c0 & 0xc0c0) != 0x8080) return 0; break; case 41: if (c0 == 0) return -2; if (c1 < 0x80 || 0xBF < c1 || (c0 & 0xc0c0) != 0x8080) return 0; break; case 42: if (c0 == 0) return -2; if (c1 < 0x80 || 0x8F < c1 || (c0 & 0xc0c0) != 0x8080) return 0; break; default: return 0; break; } } if (c2 == 0 || c2 == EOF){ } else if ((c2 & 0xf8) == 0xf0) { /* 4 bytes */ c1 = CLASS_UNICODE | ww16_conv(c2, c1, c0); c2 = 0; } else { ret = w2e_conv(c2, c1, c0, &c2, &c1); } if (ret == 0){ (*oconv)(c2, c1); } return ret; } #endif #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) void w16w_conv(nkf_char val, nkf_char *p2, nkf_char *p1, nkf_char *p0) { val &= VALUE_MASK; if (val < 0x80){ *p2 = val; *p1 = 0; *p0 = 0; }else if (val < 0x800){ *p2 = 0xc0 | (val >> 6); *p1 = 0x80 | (val & 0x3f); *p0 = 0; } else if (val <= NKF_INT32_C(0xFFFF)) { *p2 = 0xe0 | (val >> 12); *p1 = 0x80 | ((val >> 6) & 0x3f); *p0 = 0x80 | (val & 0x3f); } else if (val <= NKF_INT32_C(0x10FFFF)) { *p2 = 0xe0 | (val >> 16); *p1 = 0x80 | ((val >> 12) & 0x3f); *p0 = 0x8080 | ((val << 2) & 0x3f00)| (val & 0x3f); } else { *p2 = 0; *p1 = 0; *p0 = 0; } } #endif #ifdef UTF8_INPUT_ENABLE nkf_char ww16_conv(nkf_char c2, nkf_char c1, nkf_char c0) { nkf_char val; if (c2 >= 0xf8) { val = -1; } else if (c2 >= 0xf0){ /* c2: 1st, c1: 2nd, c0: 3rd/4th */ val = (c2 & 0x0f) << 18; val |= (c1 & 0x3f) << 12; val |= (c0 & 0x3f00) >> 2; val |= (c0 & 0x3f); }else if (c2 >= 0xe0){ val = (c2 & 0x0f) << 12; val |= (c1 & 0x3f) << 6; val |= (c0 & 0x3f); }else if (c2 >= 0xc0){ val = (c2 & 0x1f) << 6; val |= (c1 & 0x3f); }else{ val = c2; } return val; } nkf_char w16e_conv(nkf_char val, nkf_char *p2, nkf_char *p1) { nkf_char c2, c1, c0; nkf_char ret = 0; val &= VALUE_MASK; if (val < 0x80){ *p2 = 0; *p1 = val; }else{ w16w_conv(val, &c2, &c1, &c0); ret = unicode_to_jis_common(c2, c1, c0, p2, p1); #ifdef NUMCHAR_OPTION if (ret > 0){ *p2 = 0; *p1 = CLASS_UNICODE | val; ret = 0; } #endif } return ret; } #endif #ifdef UTF8_INPUT_ENABLE nkf_char w_iconv16(nkf_char c2, nkf_char c1, nkf_char c0) { nkf_char ret = 0; if ((c2==0 && c1 < 0x80) || c2==EOF) { (*oconv)(c2, c1); return 0; }else if (0xD8 <= c2 && c2 <= 0xDB) { if (c0 < NKF_INT32_C(0xDC00) || NKF_INT32_C(0xDFFF) < c0) return -2; c1 = CLASS_UNICODE | ((c2 << 18) + (c1 << 10) + c0 - NKF_INT32_C(0x35FDC00)); c2 = 0; }else if ((c2>>3) == 27) { /* unpaired surrogate */ /* return 2; */ return 1; }else ret = w16e_conv(((c2 & 0xff)<<8) + c1, &c2, &c1); if (ret) return ret; (*oconv)(c2, c1); return 0; } nkf_char w_iconv32(nkf_char c2, nkf_char c1, nkf_char c0) { int ret = 0; if ((c2 == 0 && c1 < 0x80) || c2==EOF) { } else if (is_unicode_bmp(c1)) { ret = w16e_conv(c1, &c2, &c1); } else { c2 = 0; c1 = CLASS_UNICODE | c1; } if (ret) return ret; (*oconv)(c2, c1); return 0; } nkf_char unicode_to_jis_common(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1) { #if 0 extern const unsigned short *const utf8_to_euc_2bytes[]; extern const unsigned short *const utf8_to_euc_2bytes_ms[]; extern const unsigned short *const utf8_to_euc_2bytes_932[]; extern const unsigned short *const *const utf8_to_euc_3bytes[]; extern const unsigned short *const *const utf8_to_euc_3bytes_ms[]; extern const unsigned short *const *const utf8_to_euc_3bytes_932[]; #endif const unsigned short *const *pp; const unsigned short *const *const *ppp; static const int no_best_fit_chars_table_C2[] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 2, 1, 1, 2, 0, 0, 1, 1, 0, 1, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1}; static const int no_best_fit_chars_table_C2_ms[] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0}; static const int no_best_fit_chars_table_932_C2[] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0}; static const int no_best_fit_chars_table_932_C3[] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1}; nkf_char ret = 0; if(c2 < 0x80){ *p2 = 0; *p1 = c2; }else if(c2 < 0xe0){ if(no_best_fit_chars_f){ if(ms_ucs_map_f == UCS_MAP_CP932){ switch(c2){ case 0xC2: if(no_best_fit_chars_table_932_C2[c1&0x3F]) return 1; break; case 0xC3: if(no_best_fit_chars_table_932_C3[c1&0x3F]) return 1; break; } }else if(!cp932inv_f){ switch(c2){ case 0xC2: if(no_best_fit_chars_table_C2[c1&0x3F]) return 1; break; case 0xC3: if(no_best_fit_chars_table_932_C3[c1&0x3F]) return 1; break; } }else if(ms_ucs_map_f == UCS_MAP_MS){ if(c2 == 0xC2 && no_best_fit_chars_table_C2_ms[c1&0x3F]) return 1; } } pp = ms_ucs_map_f == UCS_MAP_CP932 ? utf8_to_euc_2bytes_932 : ms_ucs_map_f == UCS_MAP_MS ? utf8_to_euc_2bytes_ms : utf8_to_euc_2bytes; ret = w_iconv_common(c2, c1, pp, sizeof_utf8_to_euc_2bytes, p2, p1); }else if(c0 < 0xF0){ if(no_best_fit_chars_f){ if(ms_ucs_map_f == UCS_MAP_CP932){ if(c2 == 0xE3 && c1 == 0x82 && c0 == 0x94) return 1; }else if(ms_ucs_map_f == UCS_MAP_MS){ switch(c2){ case 0xE2: switch(c1){ case 0x80: if(c0 == 0x94 || c0 == 0x96 || c0 == 0xBE) return 1; break; case 0x88: if(c0 == 0x92) return 1; break; } break; case 0xE3: if(c1 == 0x80 || c0 == 0x9C) return 1; break; } }else{ switch(c2){ case 0xE2: switch(c1){ case 0x80: if(c0 == 0x95) return 1; break; case 0x88: if(c0 == 0xA5) return 1; break; } break; case 0xEF: switch(c1){ case 0xBC: if(c0 == 0x8D) return 1; break; case 0xBD: if(c0 == 0x9E && !cp932inv_f) return 1; break; case 0xBF: if(0xA0 <= c0 && c0 <= 0xA5) return 1; break; } break; } } } ppp = ms_ucs_map_f == UCS_MAP_CP932 ? utf8_to_euc_3bytes_932 : ms_ucs_map_f == UCS_MAP_MS ? utf8_to_euc_3bytes_ms : utf8_to_euc_3bytes; ret = w_iconv_common(c1, c0, ppp[c2 - 0xE0], sizeof_utf8_to_euc_C2, p2, p1); }else return -1; #ifdef SHIFTJIS_CP932 if (!ret && !cp932inv_f && is_eucg3(*p2)) { nkf_char s2, s1; if (e2s_conv(*p2, *p1, &s2, &s1) == 0) { s2e_conv(s2, s1, p2, p1); }else{ ret = 1; } } #endif return ret; } nkf_char w_iconv_common(nkf_char c1, nkf_char c0, const unsigned short *const *pp, nkf_char psize, nkf_char *p2, nkf_char *p1) { nkf_char c2; const unsigned short *p; unsigned short val; if (pp == 0) return 1; c1 -= 0x80; if (c1 < 0 || psize <= c1) return 1; p = pp[c1]; if (p == 0) return 1; c0 -= 0x80; if (c0 < 0 || sizeof_utf8_to_euc_C2 <= c0) return 1; val = p[c0]; if (val == 0) return 1; if (no_cp932ext_f && ( (val>>8) == 0x2D || /* NEC special characters */ val > NKF_INT32_C(0xF300) /* IBM extended characters */ )) return 1; c2 = val >> 8; if (val > 0x7FFF){ c2 &= 0x7f; c2 |= PREFIX_EUCG3; } if (c2 == SO) c2 = X0201; c1 = val & 0x7f; if (p2) *p2 = c2; if (p1) *p1 = c1; return 0; } void nkf_each_char_to_hex(void (*f)(nkf_char c2,nkf_char c1), nkf_char c) { const char *hex = "0123456789ABCDEF"; int shift = 20; c &= VALUE_MASK; while(shift >= 0){ if(c >= 1<= 0){ (*f)(0, hex[(c>>shift)&0xF]); shift -= 4; } }else{ shift -= 4; } } return; } void encode_fallback_html(nkf_char c) { (*oconv)(0, '&'); (*oconv)(0, '#'); c &= VALUE_MASK; if(c >= NKF_INT32_C(1000000)) (*oconv)(0, 0x30+(c/NKF_INT32_C(1000000))%10); if(c >= NKF_INT32_C(100000)) (*oconv)(0, 0x30+(c/NKF_INT32_C(100000) )%10); if(c >= 10000) (*oconv)(0, 0x30+(c/10000 )%10); if(c >= 1000) (*oconv)(0, 0x30+(c/1000 )%10); if(c >= 100) (*oconv)(0, 0x30+(c/100 )%10); if(c >= 10) (*oconv)(0, 0x30+(c/10 )%10); if(c >= 0) (*oconv)(0, 0x30+ c %10); (*oconv)(0, ';'); return; } void encode_fallback_xml(nkf_char c) { (*oconv)(0, '&'); (*oconv)(0, '#'); (*oconv)(0, 'x'); nkf_each_char_to_hex(oconv, c); (*oconv)(0, ';'); return; } void encode_fallback_java(nkf_char c) { const char *hex = "0123456789ABCDEF"; (*oconv)(0, '\\'); c &= VALUE_MASK; if(!is_unicode_bmp(c)){ (*oconv)(0, 'U'); (*oconv)(0, '0'); (*oconv)(0, '0'); (*oconv)(0, hex[(c>>20)&0xF]); (*oconv)(0, hex[(c>>16)&0xF]); }else{ (*oconv)(0, 'u'); } (*oconv)(0, hex[(c>>12)&0xF]); (*oconv)(0, hex[(c>> 8)&0xF]); (*oconv)(0, hex[(c>> 4)&0xF]); (*oconv)(0, hex[ c &0xF]); return; } void encode_fallback_perl(nkf_char c) { (*oconv)(0, '\\'); (*oconv)(0, 'x'); (*oconv)(0, '{'); nkf_each_char_to_hex(oconv, c); (*oconv)(0, '}'); return; } void encode_fallback_subchar(nkf_char c) { c = unicode_subchar; (*oconv)((c>>8)&0xFF, c&0xFF); return; } #endif #ifdef UTF8_OUTPUT_ENABLE nkf_char e2w_conv(nkf_char c2, nkf_char c1) { #if 0 extern const unsigned short euc_to_utf8_1byte[]; extern const unsigned short *const euc_to_utf8_2bytes[]; extern const unsigned short *const euc_to_utf8_2bytes_ms[]; extern const unsigned short *const x0212_to_utf8_2bytes[]; #endif const unsigned short *p; if (c2 == X0201) { p = euc_to_utf8_1byte; #ifdef X0212_ENABLE } else if (is_eucg3(c2)){ if(ms_ucs_map_f == UCS_MAP_ASCII&& c2 == NKF_INT32_C(0x8F22) && c1 == 0x43){ return 0xA6; } c2 = (c2&0x7f) - 0x21; if (0<=c2 && c2> 6)); (*o_putc)(0x80 | (val & 0x3f)); } else if (val <= NKF_INT32_C(0xFFFF)) { (*o_putc)(0xE0 | (val >> 12)); (*o_putc)(0x80 | ((val >> 6) & 0x3f)); (*o_putc)(0x80 | (val & 0x3f)); } else if (val <= NKF_INT32_C(0x10FFFF)) { (*o_putc)(0xF0 | ( val>>18)); (*o_putc)(0x80 | ((val>>12) & 0x3f)); (*o_putc)(0x80 | ((val>> 6) & 0x3f)); (*o_putc)(0x80 | ( val & 0x3f)); } return; } #endif if (c2 == 0) { output_mode = ASCII; (*o_putc)(c1); } else if (c2 == ISO8859_1) { output_mode = ISO8859_1; (*o_putc)(c1 | 0x080); } else { output_mode = UTF8; val = e2w_conv(c2, c1); if (val){ w16w_conv(val, &c2, &c1, &c0); (*o_putc)(c2); if (c1){ (*o_putc)(c1); if (c0) (*o_putc)(c0); } } } } void w_oconv16(nkf_char c2, nkf_char c1) { if (output_bom_f) { output_bom_f = FALSE; if (output_endian == ENDIAN_LITTLE){ (*o_putc)((unsigned char)'\377'); (*o_putc)('\376'); }else{ (*o_putc)('\376'); (*o_putc)((unsigned char)'\377'); } } if (c2 == EOF) { (*o_putc)(EOF); return; } if (c2 == ISO8859_1) { c2 = 0; c1 |= 0x80; #ifdef NUMCHAR_OPTION } else if (c2 == 0 && is_unicode_capsule(c1)) { if (is_unicode_bmp(c1)) { c2 = (c1 >> 8) & 0xff; c1 &= 0xff; } else { c1 &= VALUE_MASK; if (c1 <= UNICODE_MAX) { c2 = (c1 >> 10) + NKF_INT32_C(0xD7C0); /* high surrogate */ c1 = (c1 & 0x3FF) + NKF_INT32_C(0xDC00); /* low surrogate */ if (output_endian == ENDIAN_LITTLE){ (*o_putc)(c2 & 0xff); (*o_putc)((c2 >> 8) & 0xff); (*o_putc)(c1 & 0xff); (*o_putc)((c1 >> 8) & 0xff); }else{ (*o_putc)((c2 >> 8) & 0xff); (*o_putc)(c2 & 0xff); (*o_putc)((c1 >> 8) & 0xff); (*o_putc)(c1 & 0xff); } } return; } #endif } else if (c2) { nkf_char val = e2w_conv(c2, c1); c2 = (val >> 8) & 0xff; c1 = val & 0xff; if (!val) return; } if (output_endian == ENDIAN_LITTLE){ (*o_putc)(c1); (*o_putc)(c2); }else{ (*o_putc)(c2); (*o_putc)(c1); } } void w_oconv32(nkf_char c2, nkf_char c1) { if (output_bom_f) { output_bom_f = FALSE; if (output_endian == ENDIAN_LITTLE){ (*o_putc)((unsigned char)'\377'); (*o_putc)('\376'); (*o_putc)('\000'); (*o_putc)('\000'); }else{ (*o_putc)('\000'); (*o_putc)('\000'); (*o_putc)('\376'); (*o_putc)((unsigned char)'\377'); } } if (c2 == EOF) { (*o_putc)(EOF); return; } if (c2 == ISO8859_1) { c1 |= 0x80; #ifdef NUMCHAR_OPTION } else if (c2 == 0 && is_unicode_capsule(c1)) { c1 &= VALUE_MASK; #endif } else if (c2) { c1 = e2w_conv(c2, c1); if (!c1) return; } if (output_endian == ENDIAN_LITTLE){ (*o_putc)( c1 & NKF_INT32_C(0x000000FF)); (*o_putc)((c1 & NKF_INT32_C(0x0000FF00)) >> 8); (*o_putc)((c1 & NKF_INT32_C(0x00FF0000)) >> 16); (*o_putc)('\000'); }else{ (*o_putc)('\000'); (*o_putc)((c1 & NKF_INT32_C(0x00FF0000)) >> 16); (*o_putc)((c1 & NKF_INT32_C(0x0000FF00)) >> 8); (*o_putc)( c1 & NKF_INT32_C(0x000000FF)); } } #endif void e_oconv(nkf_char c2, nkf_char c1) { #ifdef NUMCHAR_OPTION if (c2 == 0 && is_unicode_capsule(c1)){ w16e_conv(c1, &c2, &c1); if (c2 == 0 && is_unicode_capsule(c1)){ c2 = c1 & VALUE_MASK; if (x0212_f && 0xE000 <= c2 && c2 <= 0xE757) { /* eucJP-ms UDC */ c1 &= 0xFFF; c2 = c1 / 94; c2 += c2 < 10 ? 0x75 : 0x8FEB; c1 = 0x21 + c1 % 94; if (is_eucg3(c2)){ (*o_putc)(0x8f); (*o_putc)((c2 & 0x7f) | 0x080); (*o_putc)(c1 | 0x080); }else{ (*o_putc)((c2 & 0x7f) | 0x080); (*o_putc)(c1 | 0x080); } return; } else { if (encode_fallback) (*encode_fallback)(c1); return; } } } #endif if (c2 == EOF) { (*o_putc)(EOF); return; } else if (c2 == 0) { output_mode = ASCII; (*o_putc)(c1); } else if (c2 == X0201) { output_mode = JAPANESE_EUC; (*o_putc)(SSO); (*o_putc)(c1|0x80); } else if (c2 == ISO8859_1) { output_mode = ISO8859_1; (*o_putc)(c1 | 0x080); #ifdef X0212_ENABLE } else if (is_eucg3(c2)){ output_mode = JAPANESE_EUC; #ifdef SHIFTJIS_CP932 if (!cp932inv_f){ nkf_char s2, s1; if (e2s_conv(c2, c1, &s2, &s1) == 0){ s2e_conv(s2, s1, &c2, &c1); } } #endif if (c2 == 0) { output_mode = ASCII; (*o_putc)(c1); }else if (is_eucg3(c2)){ if (x0212_f){ (*o_putc)(0x8f); (*o_putc)((c2 & 0x7f) | 0x080); (*o_putc)(c1 | 0x080); } }else{ (*o_putc)((c2 & 0x7f) | 0x080); (*o_putc)(c1 | 0x080); } #endif } else { if (!nkf_isgraph(c1) || !nkf_isgraph(c2)) { set_iconv(FALSE, 0); return; /* too late to rescue this char */ } output_mode = JAPANESE_EUC; (*o_putc)(c2 | 0x080); (*o_putc)(c1 | 0x080); } } #ifdef X0212_ENABLE nkf_char x0212_shift(nkf_char c) { nkf_char ret = c; c &= 0x7f; if (is_eucg3(ret)){ if (0x75 <= c && c <= 0x7f){ ret = c + (0x109 - 0x75); } }else{ if (0x75 <= c && c <= 0x7f){ ret = c + (0x113 - 0x75); } } return ret; } nkf_char x0212_unshift(nkf_char c) { nkf_char ret = c; if (0x7f <= c && c <= 0x88){ ret = c + (0x75 - 0x7f); }else if (0x89 <= c && c <= 0x92){ ret = PREFIX_EUCG3 | 0x80 | (c + (0x75 - 0x89)); } return ret; } #endif /* X0212_ENABLE */ nkf_char e2s_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1) { nkf_char ndx; if (is_eucg3(c2)){ ndx = c2 & 0x7f; if (x0213_f){ if((0x21 <= ndx && ndx <= 0x2F)){ if (p2) *p2 = ((ndx - 1) >> 1) + 0xec - ndx / 8 * 3; if (p1) *p1 = c1 + ((ndx & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e); return 0; }else if(0x6E <= ndx && ndx <= 0x7E){ if (p2) *p2 = ((ndx - 1) >> 1) + 0xbe; if (p1) *p1 = c1 + ((ndx & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e); return 0; } return 1; } #ifdef X0212_ENABLE else if(nkf_isgraph(ndx)){ nkf_char val = 0; const unsigned short *ptr; #if 0 extern const unsigned short *const x0212_shiftjis[]; #endif ptr = x0212_shiftjis[ndx - 0x21]; if (ptr){ val = ptr[(c1 & 0x7f) - 0x21]; } if (val){ c2 = val >> 8; c1 = val & 0xff; if (p2) *p2 = c2; if (p1) *p1 = c1; return 0; } c2 = x0212_shift(c2); } #endif /* X0212_ENABLE */ } if(0x7F < c2) return 1; if (p2) *p2 = ((c2 - 1) >> 1) + ((c2 <= 0x5e) ? 0x71 : 0xb1); if (p1) *p1 = c1 + ((c2 & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e); return 0; } void s_oconv(nkf_char c2, nkf_char c1) { #ifdef NUMCHAR_OPTION if (c2 == 0 && is_unicode_capsule(c1)){ w16e_conv(c1, &c2, &c1); if (c2 == 0 && is_unicode_capsule(c1)){ c2 = c1 & VALUE_MASK; if (!x0213_f && 0xE000 <= c2 && c2 <= 0xE757) { /* CP932 UDC */ c1 &= 0xFFF; c2 = c1 / 188 + 0xF0; c1 = c1 % 188; c1 += 0x40 + (c1 > 0x3e); (*o_putc)(c2); (*o_putc)(c1); return; } else { if(encode_fallback)(*encode_fallback)(c1); return; } } } #endif if (c2 == EOF) { (*o_putc)(EOF); return; } else if (c2 == 0) { output_mode = ASCII; (*o_putc)(c1); } else if (c2 == X0201) { output_mode = SHIFT_JIS; (*o_putc)(c1|0x80); } else if (c2 == ISO8859_1) { output_mode = ISO8859_1; (*o_putc)(c1 | 0x080); #ifdef X0212_ENABLE } else if (is_eucg3(c2)){ output_mode = SHIFT_JIS; if (e2s_conv(c2, c1, &c2, &c1) == 0){ (*o_putc)(c2); (*o_putc)(c1); } #endif } else { if (!nkf_isprint(c1) || !nkf_isprint(c2)) { set_iconv(FALSE, 0); return; /* too late to rescue this char */ } output_mode = SHIFT_JIS; e2s_conv(c2, c1, &c2, &c1); #ifdef SHIFTJIS_CP932 if (cp932inv_f && CP932INV_TABLE_BEGIN <= c2 && c2 <= CP932INV_TABLE_END){ #if 0 extern const unsigned short cp932inv[2][189]; #endif nkf_char c = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40]; if (c){ c2 = c >> 8; c1 = c & 0xff; } } #endif /* SHIFTJIS_CP932 */ (*o_putc)(c2); if (prefix_table[(unsigned char)c1]){ (*o_putc)(prefix_table[(unsigned char)c1]); } (*o_putc)(c1); } } void j_oconv(nkf_char c2, nkf_char c1) { #ifdef NUMCHAR_OPTION if (c2 == 0 && is_unicode_capsule(c1)){ w16e_conv(c1, &c2, &c1); if (c2 == 0 && is_unicode_capsule(c1)){ c2 = c1 & VALUE_MASK; if (ms_ucs_map_f && 0xE000 <= c2 && c2 <= 0xE757) { /* CP5022x UDC */ c1 &= 0xFFF; c2 = 0x7F + c1 / 94; c1 = 0x21 + c1 % 94; } else { if (encode_fallback) (*encode_fallback)(c1); return; } } } #endif if (c2 == EOF) { if (output_mode !=ASCII && output_mode!=ISO8859_1) { (*o_putc)(ESC); (*o_putc)('('); (*o_putc)(ascii_intro); output_mode = ASCII; } (*o_putc)(EOF); #ifdef X0212_ENABLE } else if (is_eucg3(c2)){ if(x0213_f){ if(output_mode!=X0213_2){ output_mode = X0213_2; (*o_putc)(ESC); (*o_putc)('$'); (*o_putc)('('); (*o_putc)(X0213_2&0x7F); } }else{ if(output_mode!=X0212){ output_mode = X0212; (*o_putc)(ESC); (*o_putc)('$'); (*o_putc)('('); (*o_putc)(X0212&0x7F); } } (*o_putc)(c2 & 0x7f); (*o_putc)(c1); #endif } else if (c2==X0201) { if (output_mode!=X0201) { output_mode = X0201; (*o_putc)(ESC); (*o_putc)('('); (*o_putc)('I'); } (*o_putc)(c1); } else if (c2==ISO8859_1) { /* iso8859 introduction, or 8th bit on */ /* Can we convert in 7bit form using ESC-'-'-A ? Is this popular? */ output_mode = ISO8859_1; (*o_putc)(c1|0x80); } else if (c2 == 0) { if (output_mode !=ASCII && output_mode!=ISO8859_1) { (*o_putc)(ESC); (*o_putc)('('); (*o_putc)(ascii_intro); output_mode = ASCII; } (*o_putc)(c1); } else { if(ms_ucs_map_f ? c2<0x20 || 0x920) { return broken_buf[--broken_counter]; } c= (*i_bgetc)(f); if (c=='$' && broken_last != ESC && (input_mode==ASCII || input_mode==X0201)) { c1= (*i_bgetc)(f); broken_last = 0; if (c1=='@'|| c1=='B') { broken_buf[0]=c1; broken_buf[1]=c; broken_counter=2; return ESC; } else { (*i_bungetc)(c1,f); return c; } } else if (c=='(' && broken_last != ESC && (input_mode==X0208 || input_mode==X0201)) { /* ) */ c1= (*i_bgetc)(f); broken_last = 0; if (c1=='J'|| c1=='B') { broken_buf[0]=c1; broken_buf[1]=c; broken_counter=2; return ESC; } else { (*i_bungetc)(c1,f); return c; } } else { broken_last = c; return c; } } nkf_char broken_ungetc(nkf_char c, FILE *f) { if (broken_counter<2) broken_buf[broken_counter++]=c; return c; } static nkf_char prev_cr = 0; void cr_conv(nkf_char c2, nkf_char c1) { if (prev_cr) { prev_cr = 0; if (! (c2==0&&c1==NL) ) { cr_conv(0,'\n'); } } if (c2) { (*o_crconv)(c2,c1); } else if (c1=='\r') { prev_cr = c1; } else if (c1=='\n') { if (crmode_f==CRLF) { (*o_crconv)(0,'\r'); } else if (crmode_f==CR) { (*o_crconv)(0,'\r'); return; } (*o_crconv)(0,NL); } else if (c1!='\032' || crmode_f!=NL){ (*o_crconv)(c2,c1); } } /* Return value of fold_conv() \n add newline and output char \r add newline and output nothing ' ' space 0 skip 1 (or else) normal output fold state in prev (previous character) >0x80 Japanese (X0208/X0201) <0x80 ASCII \n new line ' ' space This fold algorthm does not preserve heading space in a line. This is the main difference from fmt. */ #define char_size(c2,c1) (c2?2:1) void fold_conv(nkf_char c2, nkf_char c1) { nkf_char prev0; nkf_char fold_state; if (c1== '\r' && !fold_preserve_f) { fold_state=0; /* ignore cr */ }else if (c1== '\n'&&f_prev=='\r' && fold_preserve_f) { f_prev = '\n'; fold_state=0; /* ignore cr */ } else if (c1== BS) { if (f_line>0) f_line--; fold_state = 1; } else if (c2==EOF && f_line != 0) { /* close open last line */ fold_state = '\n'; } else if ((c1=='\n' && !fold_preserve_f) || ((c1=='\r'||(c1=='\n'&&f_prev!='\r')) && fold_preserve_f)) { /* new line */ if (fold_preserve_f) { f_prev = c1; f_line = 0; fold_state = '\r'; } else if ((f_prev == c1 && !fold_preserve_f) || (f_prev == '\n' && fold_preserve_f) ) { /* duplicate newline */ if (f_line) { f_line = 0; fold_state = '\n'; /* output two newline */ } else { f_line = 0; fold_state = 1; } } else { if (f_prev&0x80) { /* Japanese? */ f_prev = c1; fold_state = 0; /* ignore given single newline */ } else if (f_prev==' ') { fold_state = 0; } else { f_prev = c1; if (++f_line<=fold_len) fold_state = ' '; else { f_line = 0; fold_state = '\r'; /* fold and output nothing */ } } } } else if (c1=='\f') { f_prev = '\n'; f_line = 0; fold_state = '\n'; /* output newline and clear */ } else if ( (c2==0 && c1==' ')|| (c2==0 && c1=='\t')|| (c2=='!'&& c1=='!')) { /* X0208 kankaku or ascii space */ if (f_prev == ' ') { fold_state = 0; /* remove duplicate spaces */ } else { f_prev = ' '; if (++f_line<=fold_len) fold_state = ' '; /* output ASCII space only */ else { f_prev = ' '; f_line = 0; fold_state = '\r'; /* fold and output nothing */ } } } else { prev0 = f_prev; /* we still need this one... , but almost done */ f_prev = c1; if (c2 || c2==X0201) f_prev |= 0x80; /* this is Japanese */ f_line += char_size(c2,c1); if (f_line<=fold_len) { /* normal case */ fold_state = 1; } else { if (f_line>fold_len+fold_margin) { /* too many kinsoku suspension */ f_line = char_size(c2,c1); fold_state = '\n'; /* We can't wait, do fold now */ } else if (c2==X0201) { /* simple kinsoku rules return 1 means no folding */ if (c1==(0xde&0x7f)) fold_state = 1; /* ゛*/ else if (c1==(0xdf&0x7f)) fold_state = 1; /* ゜*/ else if (c1==(0xa4&0x7f)) fold_state = 1; /* 。*/ else if (c1==(0xa3&0x7f)) fold_state = 1; /* ，*/ else if (c1==(0xa1&0x7f)) fold_state = 1; /* 」*/ else if (c1==(0xb0&0x7f)) fold_state = 1; /* - */ else if (SPACE<=c1 && c1<=(0xdf&0x7f)) { /* X0201 */ f_line = 1; fold_state = '\n';/* add one new f_line before this character */ } else { f_line = 1; fold_state = '\n';/* add one new f_line before this character */ } } else if (c2==0) { /* kinsoku point in ASCII */ if ( c1==')'|| /* { [ ( */ c1==']'|| c1=='}'|| c1=='.'|| c1==','|| c1=='!'|| c1=='?'|| c1=='/'|| c1==':'|| c1==';' ) { fold_state = 1; /* just after special */ } else if (!is_alnum(prev0)) { f_line = char_size(c2,c1); fold_state = '\n'; } else if ((prev0==' ') || /* ignored new f_line */ (prev0=='\n')|| /* ignored new f_line */ (prev0&0x80)) { /* X0208 - ASCII */ f_line = char_size(c2,c1); fold_state = '\n';/* add one new f_line before this character */ } else { fold_state = 1; /* default no fold in ASCII */ } } else { if (c2=='!') { if (c1=='"') fold_state = 1; /* 、 */ else if (c1=='#') fold_state = 1; /* 。 */ else if (c1=='W') fold_state = 1; /* 」 */ else if (c1=='K') fold_state = 1; /* ） */ else if (c1=='$') fold_state = 1; /* ， */ else if (c1=='%') fold_state = 1; /* ． */ else if (c1=='\'') fold_state = 1; /* ＋ */ else if (c1=='(') fold_state = 1; /* ； */ else if (c1==')') fold_state = 1; /* ？ */ else if (c1=='*') fold_state = 1; /* ！ */ else if (c1=='+') fold_state = 1; /* ゛ */ else if (c1==',') fold_state = 1; /* ゜ */ /* default no fold in kinsoku */ else { fold_state = '\n'; f_line = char_size(c2,c1); /* add one new f_line before this character */ } } else { f_line = char_size(c2,c1); fold_state = '\n'; /* add one new f_line before this character */ } } } } /* terminator process */ switch(fold_state) { case '\n': (*o_fconv)(0,'\n'); (*o_fconv)(c2,c1); break; case 0: return; case '\r': (*o_fconv)(0,'\n'); break; case '\t': case ' ': (*o_fconv)(0,' '); break; default: (*o_fconv)(c2,c1); } } nkf_char z_prev2=0,z_prev1=0; void z_conv(nkf_char c2, nkf_char c1) { /* if (c2) c1 &= 0x7f; assertion */ if (x0201_f && z_prev2==X0201) { /* X0201 */ if (c1==(0xde&0x7f)) { /* 濁点 */ z_prev2=0; (*o_zconv)(dv[(z_prev1-SPACE)*2],dv[(z_prev1-SPACE)*2+1]); return; } else if (c1==(0xdf&0x7f)&&ev[(z_prev1-SPACE)*2]) { /* 半濁点 */ z_prev2=0; (*o_zconv)(ev[(z_prev1-SPACE)*2],ev[(z_prev1-SPACE)*2+1]); return; } else { z_prev2=0; (*o_zconv)(cv[(z_prev1-SPACE)*2],cv[(z_prev1-SPACE)*2+1]); } } if (c2==EOF) { (*o_zconv)(c2,c1); return; } if (x0201_f && c2==X0201) { if (dv[(c1-SPACE)*2]||ev[(c1-SPACE)*2]) { /* wait for 濁点 or 半濁点 */ z_prev1 = c1; z_prev2 = c2; return; } else { (*o_zconv)(cv[(c1-SPACE)*2],cv[(c1-SPACE)*2+1]); return; } } /* JISX0208 Alphabet */ if (alpha_f && c2 == 0x23 ) { c2 = 0; } else if (alpha_f && c2 == 0x21 ) { /* JISX0208 Kigou */ if (0x21==c1) { if (alpha_f&0x2) { c1 = ' '; c2 = 0; } else if (alpha_f&0x4) { (*o_zconv)(0,' '); (*o_zconv)(0,' '); return; } } else if (0x20': entity = ">"; break; case '<': entity = "<"; break; case '\"': entity = """; break; case '&': entity = "&"; break; } if (entity){ while (*entity) (*o_zconv)(0, *entity++); return; } } } } (*o_zconv)(c2,c1); } #define rot13(c) ( \ ( c < 'A' ) ? c: \ (c <= 'M') ? (c + 13): \ (c <= 'Z') ? (c - 13): \ (c < 'a') ? (c): \ (c <= 'm') ? (c + 13): \ (c <= 'z') ? (c - 13): \ (c) \ ) #define rot47(c) ( \ ( c < '!' ) ? c: \ ( c <= 'O' ) ? (c + 47) : \ ( c <= '~' ) ? (c - 47) : \ c \ ) void rot_conv(nkf_char c2, nkf_char c1) { if (c2==0 || c2==X0201 || c2==ISO8859_1) { c1 = rot13(c1); } else if (c2) { c1 = rot47(c1); c2 = rot47(c2); } (*o_rot_conv)(c2,c1); } void hira_conv(nkf_char c2, nkf_char c1) { if (hira_f & 1) { if (c2 == 0x25) { if (0x20 < c1 && c1 < 0x74) { c2 = 0x24; (*o_hira_conv)(c2,c1); return; } else if (c1 == 0x74 && (output_conv == w_oconv || output_conv == w_oconv16)) { c2 = 0; c1 = CLASS_UNICODE | 0x3094; (*o_hira_conv)(c2,c1); return; } } else if (c2 == 0x21 && (c1 == 0x33 || c1 == 0x34)) { c1 += 2; (*o_hira_conv)(c2,c1); return; } } if (hira_f & 2) { if (c2 == 0 && c1 == (CLASS_UNICODE | 0x3094)) { c2 = 0x25; c1 = 0x74; } else if (c2 == 0x24 && 0x20 < c1 && c1 < 0x74) { c2 = 0x25; } else if (c2 == 0x21 && (c1 == 0x35 || c1 == 0x36)) { c1 -= 2; } } (*o_hira_conv)(c2,c1); } void iso2022jp_check_conv(nkf_char c2, nkf_char c1) { static const nkf_char range[RANGE_NUM_MAX][2] = { {0x222f, 0x2239,}, {0x2242, 0x2249,}, {0x2251, 0x225b,}, {0x226b, 0x2271,}, {0x227a, 0x227d,}, {0x2321, 0x232f,}, {0x233a, 0x2340,}, {0x235b, 0x2360,}, {0x237b, 0x237e,}, {0x2474, 0x247e,}, {0x2577, 0x257e,}, {0x2639, 0x2640,}, {0x2659, 0x267e,}, {0x2742, 0x2750,}, {0x2772, 0x277e,}, {0x2841, 0x287e,}, {0x4f54, 0x4f7e,}, {0x7425, 0x747e}, }; nkf_char i; nkf_char start, end, c; if(c2 >= 0x00 && c2 <= 0x20 && c1 >= 0x7f && c1 <= 0xff) { c2 = GETA1; c1 = GETA2; } if((c2 >= 0x29 && c2 <= 0x2f) || (c2 >= 0x75 && c2 <= 0x7e)) { c2 = GETA1; c1 = GETA2; } for (i = 0; i < RANGE_NUM_MAX; i++) { start = range[i][0]; end = range[i][1]; c = (c2 << 8) + c1; if (c >= start && c <= end) { c2 = GETA1; c1 = GETA2; } } (*o_iso2022jp_check_conv)(c2,c1); } /* This converts =?ISO-2022-JP?B?HOGE HOGE?= */ const unsigned char *mime_pattern[] = { (const unsigned char *)"\075?EUC-JP?B?", (const unsigned char *)"\075?SHIFT_JIS?B?", (const unsigned char *)"\075?ISO-8859-1?Q?", (const unsigned char *)"\075?ISO-8859-1?B?", (const unsigned char *)"\075?ISO-2022-JP?B?", (const unsigned char *)"\075?ISO-2022-JP?Q?", #if defined(UTF8_INPUT_ENABLE) (const unsigned char *)"\075?UTF-8?B?", (const unsigned char *)"\075?UTF-8?Q?", #endif (const unsigned char *)"\075?US-ASCII?Q?", NULL }; /* 該当するコードの優先度を上げるための目印 */ nkf_char (*mime_priority_func[])(nkf_char c2, nkf_char c1, nkf_char c0) = { e_iconv, s_iconv, 0, 0, 0, 0, #if defined(UTF8_INPUT_ENABLE) w_iconv, w_iconv, #endif 0, }; const nkf_char mime_encode[] = { JAPANESE_EUC, SHIFT_JIS,ISO8859_1, ISO8859_1, X0208, X0201, #if defined(UTF8_INPUT_ENABLE) UTF8, UTF8, #endif ASCII, 0 }; const nkf_char mime_encode_method[] = { 'B', 'B','Q', 'B', 'B', 'Q', #if defined(UTF8_INPUT_ENABLE) 'B', 'Q', #endif 'Q', 0 }; #define MAXRECOVER 20 void switch_mime_getc(void) { if (i_getc!=mime_getc) { i_mgetc = i_getc; i_getc = mime_getc; i_mungetc = i_ungetc; i_ungetc = mime_ungetc; if(mime_f==STRICT_MIME) { i_mgetc_buf = i_mgetc; i_mgetc = mime_getc_buf; i_mungetc_buf = i_mungetc; i_mungetc = mime_ungetc_buf; } } } void unswitch_mime_getc(void) { if(mime_f==STRICT_MIME) { i_mgetc = i_mgetc_buf; i_mungetc = i_mungetc_buf; } i_getc = i_mgetc; i_ungetc = i_mungetc; if(mime_iconv_back)set_iconv(FALSE, mime_iconv_back); mime_iconv_back = NULL; } nkf_char mime_begin_strict(FILE *f) { nkf_char c1 = 0; int i,j,k; const unsigned char *p,*q; nkf_char r[MAXRECOVER]; /* recovery buffer, max mime pattern length */ mime_decode_mode = FALSE; /* =? has been checked */ j = 0; p = mime_pattern[j]; r[0]='='; r[1]='?'; for(i=2;p[i]>' ';i++) { /* start at =? */ if ( ((r[i] = c1 = (*i_getc)(f))==EOF) || nkf_toupper(c1) != p[i] ) { /* pattern fails, try next one */ q = p; while (mime_pattern[++j]) { p = mime_pattern[j]; for(k=2;k i */ if (p[k]!=q[k]) break; if (k==i && nkf_toupper(c1)==p[k]) break; } p = mime_pattern[j]; if (p) continue; /* found next one, continue */ /* all fails, output from recovery buffer */ (*i_ungetc)(c1,f); for(j=0;j 0){ (*u)(buf[i], f); --i; } return buf[0]; } nkf_char numchar_ungetc(nkf_char c, FILE *f) { return (*i_nungetc)(c, f); } #endif #ifdef UNICODE_NORMALIZATION /* Normalization Form C */ nkf_char nfc_getc(FILE *f) { nkf_char (*g)(FILE *f) = i_nfc_getc; nkf_char (*u)(nkf_char c ,FILE *f) = i_nfc_ungetc; int i=0, j, k=1, lower, upper; nkf_char buf[9]; const nkf_nfchar *array; #if 0 extern const struct normalization_pair normalization_table[]; #endif buf[i] = (*g)(f); while (k > 0 && ((buf[i] & 0xc0) != 0x80)){ lower=0, upper=NORMALIZATION_TABLE_LENGTH-1; while (upper >= lower) { j = (lower+upper) / 2; array = normalization_table[j].nfd; for (k=0; k < NORMALIZATION_TABLE_NFD_LENGTH && array[k]; k++){ if (array[k] != buf[k]){ array[k] < buf[k] ? (lower = j + 1) : (upper = j - 1); k = 0; break; } else if (k >= i) buf[++i] = (*g)(f); } if (k > 0){ array = normalization_table[j].nfc; for (i=0; i < NORMALIZATION_TABLE_NFC_LENGTH && array[i]; i++) buf[i] = (nkf_char)(array[i]); i--; break; } } while (i > 0) (*u)(buf[i--], f); } return buf[0]; } nkf_char nfc_ungetc(nkf_char c, FILE *f) { return (*i_nfc_ungetc)(c, f); } #endif /* UNICODE_NORMALIZATION */ nkf_char mime_getc(FILE *f) { nkf_char c1, c2, c3, c4, cc; nkf_char t1, t2, t3, t4, mode, exit_mode; nkf_char lwsp_count; char *lwsp_buf; char *lwsp_buf_new; nkf_char lwsp_size = 128; if (mime_top != mime_last) { /* Something is in FIFO */ return Fifo(mime_top++); } if (mime_decode_mode==1 ||mime_decode_mode==FALSE) { mime_decode_mode=FALSE; unswitch_mime_getc(); return (*i_getc)(f); } if (mimebuf_f == FIXED_MIME) exit_mode = mime_decode_mode; else exit_mode = FALSE; if (mime_decode_mode == 'Q') { if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF); restart_mime_q: if (c1=='_' && mimebuf_f != FIXED_MIME) return ' '; if (c1<=' ' || DEL<=c1) { mime_decode_mode = exit_mode; /* prepare for quit */ return c1; } if (c1!='=' && (c1!='?' || mimebuf_f == FIXED_MIME)) { return c1; } mime_decode_mode = exit_mode; /* prepare for quit */ if ((c2 = (*i_mgetc)(f)) == EOF) return (EOF); if (c1=='?'&&c2=='=' && mimebuf_f != FIXED_MIME) { /* end Q encoding */ input_mode = exit_mode; lwsp_count = 0; lwsp_buf = malloc((lwsp_size+5)*sizeof(char)); if (lwsp_buf==NULL) { perror("can't malloc"); return -1; } while ((c1=(*i_getc)(f))!=EOF) { switch (c1) { case NL: case CR: if (c1==NL) { if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) { i_ungetc(SPACE,f); continue; } else { i_ungetc(c1,f); } c1 = NL; } else { if ((c1=(*i_getc)(f))!=EOF && c1 == NL) { if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) { i_ungetc(SPACE,f); continue; } else { i_ungetc(c1,f); } i_ungetc(NL,f); } else { i_ungetc(c1,f); } c1 = CR; } break; case SPACE: case TAB: lwsp_buf[lwsp_count] = (unsigned char)c1; if (lwsp_count++>lwsp_size){ lwsp_size <<= 1; lwsp_buf_new = realloc(lwsp_buf, (lwsp_size+5)*sizeof(char)); if (lwsp_buf_new==NULL) { free(lwsp_buf); perror("can't realloc"); return -1; } lwsp_buf = lwsp_buf_new; } continue; } break; } if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SPACE && lwsp_buf[lwsp_count-1] != TAB))) { i_ungetc(c1,f); for(lwsp_count--;lwsp_count>0;lwsp_count--) i_ungetc(lwsp_buf[lwsp_count],f); c1 = lwsp_buf[0]; } free(lwsp_buf); return c1; } if (c1=='='&&c2<' ') { /* this is soft wrap */ while((c1 = (*i_mgetc)(f)) <=' ') { if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF); } mime_decode_mode = 'Q'; /* still in MIME */ goto restart_mime_q; } if (c1=='?') { mime_decode_mode = 'Q'; /* still in MIME */ (*i_mungetc)(c2,f); return c1; } if ((c3 = (*i_mgetc)(f)) == EOF) return (EOF); if (c2<=' ') return c2; mime_decode_mode = 'Q'; /* still in MIME */ return ((hex2bin(c2)<<4) + hex2bin(c3)); } if (mime_decode_mode != 'B') { mime_decode_mode = FALSE; return (*i_mgetc)(f); } /* Base64 encoding */ /* MIME allows line break in the middle of Base64, but we are very pessimistic in decoding in unbuf mode because MIME encoded code may broken by less or editor's control sequence (such as ESC-[-K in unbuffered mode. ignore incomplete MIME. */ mode = mime_decode_mode; mime_decode_mode = exit_mode; /* prepare for quit */ while ((c1 = (*i_mgetc)(f))<=' ') { if (c1==EOF) return (EOF); } mime_c2_retry: if ((c2 = (*i_mgetc)(f))<=' ') { if (c2==EOF) return (EOF); if (mime_f != STRICT_MIME) goto mime_c2_retry; if (mimebuf_f!=FIXED_MIME) input_mode = ASCII; return c2; } if ((c1 == '?') && (c2 == '=')) { input_mode = ASCII; lwsp_count = 0; lwsp_buf = malloc((lwsp_size+5)*sizeof(char)); if (lwsp_buf==NULL) { perror("can't malloc"); return -1; } while ((c1=(*i_getc)(f))!=EOF) { switch (c1) { case NL: case CR: if (c1==NL) { if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) { i_ungetc(SPACE,f); continue; } else { i_ungetc(c1,f); } c1 = NL; } else { if ((c1=(*i_getc)(f))!=EOF) { if (c1==SPACE) { i_ungetc(SPACE,f); continue; } else if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) { i_ungetc(SPACE,f); continue; } else { i_ungetc(c1,f); } i_ungetc(NL,f); } else { i_ungetc(c1,f); } c1 = CR; } break; case SPACE: case TAB: lwsp_buf[lwsp_count] = (unsigned char)c1; if (lwsp_count++>lwsp_size){ lwsp_size <<= 1; lwsp_buf_new = realloc(lwsp_buf, (lwsp_size+5)*sizeof(char)); if (lwsp_buf_new==NULL) { free(lwsp_buf); perror("can't realloc"); return -1; } lwsp_buf = lwsp_buf_new; } continue; } break; } if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SPACE && lwsp_buf[lwsp_count-1] != TAB))) { i_ungetc(c1,f); for(lwsp_count--;lwsp_count>0;lwsp_count--) i_ungetc(lwsp_buf[lwsp_count],f); c1 = lwsp_buf[0]; } free(lwsp_buf); return c1; } mime_c3_retry: if ((c3 = (*i_mgetc)(f))<=' ') { if (c3==EOF) return (EOF); if (mime_f != STRICT_MIME) goto mime_c3_retry; if (mimebuf_f!=FIXED_MIME) input_mode = ASCII; return c3; } mime_c4_retry: if ((c4 = (*i_mgetc)(f))<=' ') { if (c4==EOF) return (EOF); if (mime_f != STRICT_MIME) goto mime_c4_retry; if (mimebuf_f!=FIXED_MIME) input_mode = ASCII; return c4; } mime_decode_mode = mode; /* still in MIME sigh... */ /* BASE 64 decoding */ t1 = 0x3f & base64decode(c1); t2 = 0x3f & base64decode(c2); t3 = 0x3f & base64decode(c3); t4 = 0x3f & base64decode(c4); cc = ((t1 << 2) & 0x0fc) | ((t2 >> 4) & 0x03); if (c2 != '=') { Fifo(mime_last++) = (unsigned char)cc; cc = ((t2 << 4) & 0x0f0) | ((t3 >> 2) & 0x0f); if (c3 != '=') { Fifo(mime_last++) = (unsigned char)cc; cc = ((t3 << 6) & 0x0c0) | (t4 & 0x3f); if (c4 != '=') Fifo(mime_last++) = (unsigned char)cc; } } else { return c1; } return Fifo(mime_top++); } nkf_char mime_ungetc(nkf_char c, FILE *f) { Fifo(--mime_top) = (unsigned char)c; return c; } nkf_char mime_integrity(FILE *f, const unsigned char *p) { nkf_char c,d; unsigned int q; /* In buffered mode, read until =? or NL or buffer full */ mime_input = mime_top; mime_last = mime_top; while(*p) Fifo(mime_input++) = *p++; d = 0; q = mime_input; while((c=(*i_getc)(f))!=EOF) { if (((mime_input-mime_top)&MIME_BUF_MASK)==0) { break; /* buffer full */ } if (c=='=' && d=='?') { /* checked. skip header, start decode */ Fifo(mime_input++) = (unsigned char)c; /* mime_last_input = mime_input; */ mime_input = q; switch_mime_getc(); return 1; } if (!( (c=='+'||c=='/'|| c=='=' || c=='?' || is_alnum(c)))) break; /* Should we check length mod 4? */ Fifo(mime_input++) = (unsigned char)c; d=c; } /* In case of Incomplete MIME, no MIME decode */ Fifo(mime_input++) = (unsigned char)c; mime_last = mime_input; /* point undecoded buffer */ mime_decode_mode = 1; /* no decode on Fifo last in mime_getc */ switch_mime_getc(); /* anyway we need buffered getc */ return 1; } nkf_char base64decode(nkf_char c) { int i; if (c > '@') { if (c < '[') { i = c - 'A'; /* A..Z 0-25 */ } else { i = c - 'G' /* - 'a' + 26 */ ; /* a..z 26-51 */ } } else if (c > '/') { i = c - '0' + '4' /* - '0' + 52 */ ; /* 0..9 52-61 */ } else if (c == '+') { i = '>' /* 62 */ ; /* + 62 */ } else { i = '?' /* 63 */ ; /* / 63 */ } return (i); } static const char basis_64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; static nkf_char b64c; #define MIMEOUT_BUF_LENGTH (60) char mimeout_buf[MIMEOUT_BUF_LENGTH+1]; int mimeout_buf_count = 0; int mimeout_preserve_space = 0; #define itoh4(c) (c>=10?c+'A'-10:c+'0') void open_mime(nkf_char mode) { const unsigned char *p; int i; int j; p = mime_pattern[0]; for(i=0;mime_encode[i];i++) { if (mode == mime_encode[i]) { p = mime_pattern[i]; break; } } mimeout_mode = mime_encode_method[i]; i = 0; if (base64_count>45) { if (mimeout_buf_count>0 && nkf_isblank(mimeout_buf[i])){ (*o_mputc)(mimeout_buf[i]); i++; } (*o_mputc)(NL); (*o_mputc)(SPACE); base64_count = 1; if (!mimeout_preserve_space && mimeout_buf_count>0 && (mimeout_buf[i]==SPACE || mimeout_buf[i]==TAB || mimeout_buf[i]==CR || mimeout_buf[i]==NL )) { i++; } } if (!mimeout_preserve_space) { for (;i>2]); mimeout_mode=2; base64_count ++; break; case 2: (*o_mputc)(basis_64[((b64c & 0x3)<< 4) | ((c & 0xF0) >> 4)]); b64c=c; mimeout_mode=1; base64_count ++; break; case 1: (*o_mputc)(basis_64[((b64c & 0xF) << 2) | ((c & 0xC0) >>6)]); (*o_mputc)(basis_64[c & 0x3F]); mimeout_mode='B'; base64_count += 2; break; default: (*o_mputc)(c); base64_count++; break; } } nkf_char mime_lastchar2, mime_lastchar1; void mime_prechar(nkf_char c2, nkf_char c1) { if (mimeout_mode){ if (c2){ if (base64_count + mimeout_buf_count/3*4> 66){ (*o_base64conv)(EOF,0); (*o_base64conv)(0,NL); (*o_base64conv)(0,SPACE); } }/*else if (mime_lastchar2){ if (c1 <=DEL && !nkf_isspace(c1)){ (*o_base64conv)(0,SPACE); } }*/ }/*else{ if (c2 && mime_lastchar2 == 0 && mime_lastchar1 && !nkf_isspace(mime_lastchar1)){ (*o_base64conv)(0,SPACE); } }*/ mime_lastchar2 = c2; mime_lastchar1 = c1; } void mime_putc(nkf_char c) { int i, j; nkf_char lastchar; if (mimeout_f == FIXED_MIME){ if (mimeout_mode == 'Q'){ if (base64_count > 71){ if (c!=CR && c!=NL) { (*o_mputc)('='); (*o_mputc)(NL); } base64_count = 0; } }else{ if (base64_count > 71){ eof_mime(); (*o_mputc)(NL); base64_count = 0; } if (c == EOF) { /* c==EOF */ eof_mime(); } } if (c != EOF) { /* c==EOF */ mimeout_addchar(c); } return; } /* mimeout_f != FIXED_MIME */ if (c == EOF) { /* c==EOF */ j = mimeout_buf_count; mimeout_buf_count = 0; i = 0; if (mimeout_mode) { for (;i 0){ lastchar = mimeout_buf[mimeout_buf_count - 1]; }else{ lastchar = -1; } if (!mimeout_mode) { if (c <= DEL && (output_mode==ASCII ||output_mode == ISO8859_1)) { if (nkf_isspace(c)) { if (c==CR || c==NL) { base64_count=0; } for (i=0;i 1 && base64_count + mimeout_buf_count > 76){ (*o_mputc)(NL); base64_count = 0; if (!nkf_isspace(mimeout_buf[0])){ (*o_mputc)(SPACE); base64_count++; } } mimeout_buf[mimeout_buf_count++] = (char)c; if (mimeout_buf_count>MIMEOUT_BUF_LENGTH) { open_mime(output_mode); } } return; }else{ if (lastchar==CR || lastchar == NL){ for (i=0;iMIMEOUT_BUF_LENGTH) { eof_mime(); for (i=0;i0 && SPACEMIMEOUT_BUF_LENGTH) { j = mimeout_buf_count; mimeout_buf_count = 0; for (i=0;i0) { j = mimeout_buf_count; mimeout_buf_count = 0; for (i=0;iname){ status_reinit(p++); } } unbuf_f = FALSE; estab_f = FALSE; nop_f = FALSE; binmode_f = TRUE; rot_f = FALSE; hira_f = FALSE; input_f = FALSE; alpha_f = FALSE; mime_f = STRICT_MIME; mime_decode_f = FALSE; mimebuf_f = FALSE; broken_f = FALSE; iso8859_f = FALSE; mimeout_f = FALSE; #if defined(MSDOS) || defined(__OS2__) x0201_f = TRUE; #else x0201_f = NO_X0201; #endif iso2022jp_f = FALSE; #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) ms_ucs_map_f = UCS_MAP_ASCII; #endif #ifdef UTF8_INPUT_ENABLE no_cp932ext_f = FALSE; no_best_fit_chars_f = FALSE; encode_fallback = NULL; unicode_subchar = '?'; input_endian = ENDIAN_BIG; #endif #ifdef UTF8_OUTPUT_ENABLE output_bom_f = FALSE; output_endian = ENDIAN_BIG; #endif #ifdef UNICODE_NORMALIZATION nfc_f = FALSE; #endif #ifdef INPUT_OPTION cap_f = FALSE; url_f = FALSE; numchar_f = FALSE; #endif #ifdef CHECK_OPTION noout_f = FALSE; debug_f = FALSE; #endif guess_f = FALSE; is_inputcode_mixed = FALSE; is_inputcode_set = FALSE; #ifdef EXEC_IO exec_f = 0; #endif #ifdef SHIFTJIS_CP932 cp51932_f = TRUE; cp932inv_f = TRUE; #endif #ifdef X0212_ENABLE x0212_f = FALSE; x0213_f = FALSE; #endif { int i; for (i = 0; i < 256; i++){ prefix_table[i] = 0; } } hold_count = 0; mimeout_buf_count = 0; mimeout_mode = 0; base64_count = 0; f_line = 0; f_prev = 0; fold_preserve_f = FALSE; fold_f = FALSE; fold_len = 0; kanji_intro = DEFAULT_J; ascii_intro = DEFAULT_R; fold_margin = FOLD_MARGIN; output_conv = DEFAULT_CONV; oconv = DEFAULT_CONV; o_zconv = no_connection; o_fconv = no_connection; o_crconv = no_connection; o_rot_conv = no_connection; o_hira_conv = no_connection; o_base64conv = no_connection; o_iso2022jp_check_conv = no_connection; o_putc = std_putc; i_getc = std_getc; i_ungetc = std_ungetc; i_bgetc = std_getc; i_bungetc = std_ungetc; o_mputc = std_putc; i_mgetc = std_getc; i_mungetc = std_ungetc; i_mgetc_buf = std_getc; i_mungetc_buf = std_ungetc; output_mode = ASCII; input_mode = ASCII; shift_mode = FALSE; mime_decode_mode = FALSE; file_out_f = FALSE; crmode_f = 0; option_mode = 0; broken_counter = 0; broken_last = 0; z_prev2=0,z_prev1=0; #ifdef CHECK_OPTION iconv_for_check = 0; #endif input_codename = ""; #ifdef WIN32DLL reinitdll(); #endif /*WIN32DLL*/ } #endif void no_connection(nkf_char c2, nkf_char c1) { no_connection2(c2,c1,0); } nkf_char no_connection2(nkf_char c2, nkf_char c1, nkf_char c0) { fprintf(stderr,"nkf internal module connection failure.\n"); exit(1); return 0; /* LINT */ } #ifndef PERL_XS #ifdef WIN32DLL #define fprintf dllprintf #endif void usage(void) { fprintf(stderr,"USAGE: nkf(nkf32,wnkf,nkf2) -[flags] [in file] .. [out file for -O flag]\n"); fprintf(stderr,"Flags:\n"); fprintf(stderr,"b,u Output is buffered (DEFAULT),Output is unbuffered\n"); #ifdef DEFAULT_CODE_SJIS fprintf(stderr,"j,s,e,w Output code is JIS 7 bit, Shift_JIS (DEFAULT), EUC-JP, UTF-8N\n"); #endif #ifdef DEFAULT_CODE_JIS fprintf(stderr,"j,s,e,w Output code is JIS 7 bit (DEFAULT), Shift JIS, EUC-JP, UTF-8N\n"); #endif #ifdef DEFAULT_CODE_EUC fprintf(stderr,"j,s,e,w Output code is JIS 7 bit, Shift JIS, EUC-JP (DEFAULT), UTF-8N\n"); #endif #ifdef DEFAULT_CODE_UTF8 fprintf(stderr,"j,s,e,w Output code is JIS 7 bit, Shift JIS, EUC-JP, UTF-8N (DEFAULT)\n"); #endif #ifdef UTF8_OUTPUT_ENABLE fprintf(stderr," After 'w' you can add more options. -w[ 8 [0], 16 [[BL] [0]] ]\n"); #endif fprintf(stderr,"J,S,E,W Input assumption is JIS 7 bit , Shift JIS, EUC-JP, UTF-8\n"); #ifdef UTF8_INPUT_ENABLE fprintf(stderr," After 'W' you can add more options. -W[ 8, 16 [BL] ] \n"); #endif fprintf(stderr,"t no conversion\n"); fprintf(stderr,"i[@B] Specify the Esc Seq for JIS X 0208-1978/83 (DEFAULT B)\n"); fprintf(stderr,"o[BJH] Specify the Esc Seq for ASCII/Roman (DEFAULT B)\n"); fprintf(stderr,"r {de/en}crypt ROT13/47\n"); fprintf(stderr,"h 1 katakana->hiragana, 2 hiragana->katakana, 3 both\n"); fprintf(stderr,"v Show this usage. V: show version\n"); fprintf(stderr,"m[BQN0] MIME decode [B:base64,Q:quoted,N:non-strict,0:no decode]\n"); fprintf(stderr,"M[BQ] MIME encode [B:base64 Q:quoted]\n"); fprintf(stderr,"l ISO8859-1 (Latin-1) support\n"); fprintf(stderr,"f/F Folding: -f60 or -f or -f60-10 (fold margin 10) F preserve nl\n"); fprintf(stderr,"Z[0-3] Convert X0208 alphabet to ASCII\n"); fprintf(stderr," 1: Kankaku to 1 space 2: to 2 spaces 3: Convert to HTML Entity\n"); fprintf(stderr,"X,x Assume X0201 kana in MS-Kanji, -x preserves X0201\n"); fprintf(stderr,"B[0-2] Broken input 0: missing ESC,1: any X on ESC-[($]-X,2: ASCII on NL\n"); #ifdef MSDOS fprintf(stderr,"T Text mode output\n"); #endif fprintf(stderr,"O Output to File (DEFAULT 'nkf.out')\n"); fprintf(stderr,"I Convert non ISO-2022-JP charactor to GETA\n"); fprintf(stderr,"d,c Convert line breaks -d: LF -c: CRLF\n"); fprintf(stderr,"-L[uwm] line mode u:LF w:CRLF m:CR (DEFAULT noconversion)\n"); fprintf(stderr,"\n"); fprintf(stderr,"Long name options\n"); fprintf(stderr," --ic= --oc=\n"); fprintf(stderr," Specify the input or output codeset\n"); fprintf(stderr," --fj --unix --mac --windows\n"); fprintf(stderr," --jis --euc --sjis --utf8 --utf16 --mime --base64\n"); fprintf(stderr," Convert for the system or code\n"); fprintf(stderr," --hiragana --katakana --katakana-hiragana\n"); fprintf(stderr," To Hiragana/Katakana Conversion\n"); fprintf(stderr," --prefix= Insert escape before troublesome characters of Shift_JIS\n"); #ifdef INPUT_OPTION fprintf(stderr," --cap-input, --url-input Convert hex after ':' or '%%'\n"); #endif #ifdef NUMCHAR_OPTION fprintf(stderr," --numchar-input Convert Unicode Character Reference\n"); #endif #ifdef UTF8_INPUT_ENABLE fprintf(stderr," --fb-{skip, html, xml, perl, java, subchar}\n"); fprintf(stderr," Specify how nkf handles unassigned characters\n"); #endif #ifdef OVERWRITE fprintf(stderr," --in-place[=SUFFIX] --overwrite[=SUFFIX]\n"); fprintf(stderr," Overwrite original listed files by filtered result\n"); fprintf(stderr," --overwrite preserves timestamp of original files\n"); #endif fprintf(stderr," -g --guess Guess the input code\n"); fprintf(stderr," --help --version Show this help/the version\n"); fprintf(stderr," For more information, see also man nkf\n"); fprintf(stderr,"\n"); version(); } void version(void) { fprintf(stderr,"Network Kanji Filter Version %s (%s) " #if defined(MSDOS) && !defined(__WIN32__) && !defined(__WIN16__) && !defined(__OS2__) "for DOS" #endif #if defined(MSDOS) && defined(__WIN16__) "for Win16" #endif #if defined(MSDOS) && defined(__WIN32__) "for Win32" #endif #ifdef __OS2__ "for OS/2" #endif ,NKF_VERSION,NKF_RELEASE_DATE); fprintf(stderr,"\n%s\n",CopyRight); } #endif /*PERL_XS*/ /** ** パッチ制作者 ** void@merope.pleiades.or.jp (Kusakabe Youichi) ** NIDE Naoyuki ** ohta@src.ricoh.co.jp (Junn Ohta) ** inouet@strl.nhk.or.jp (Tomoyuki Inoue) ** kiri@pulser.win.or.jp (Tetsuaki Kiriyama) ** Kimihiko Sato ** a_kuroe@kuroe.aoba.yokohama.jp (Akihiko Kuroe) ** kono@ie.u-ryukyu.ac.jp (Shinji Kono) ** GHG00637@nifty-serve.or.jp (COW) ** **/ /* end */