X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=nkf.c;h=045d877a67e4960400f4c3b04cd164a76e14045b;hb=89490776a719b6f8f2c6803bc65f31589cf3521c;hp=b247ee2153bb2881b444c5919d81096d45d14439;hpb=4c3f9183dfa2446707a42b4de80bed6d126c2f34;p=nkf%2Fnkf.git diff --git a/nkf.c b/nkf.c index b247ee2..045d877 100644 --- a/nkf.c +++ b/nkf.c @@ -1,338 +1,386 @@ /** 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. -***********************************************************************/ + ** -*- coding: ISO-2022-JP -*- + ************************************************************************ + ** 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。 -***********************************************************************/ -#include "config.h" - -static char *CopyRight = - "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),2000 S. Kono, COW, 2002 Kono, Furukawa"; -static char *Version = - "2.0"; -static char *Patchlevel = - "1/0209/Shinji Kono"; - -/* -** -** -** -** USAGE: nkf [flags] [file] -** -** Flags: -** b Output is bufferred (DEFAULT) -** u Output is unbufferred -** -** t no operation -** -** j Outout 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(LSI_C)) && !defined(MSDOS) -#define MSDOS -#endif - -#ifdef PERL_XS -#undef OVERWRITE -#endif - -#ifndef PERL_XS -#include -#endif - -#include -#include - -#if defined(MSDOS) || defined(__OS2__) -#include -#include -#endif - -#ifdef MSDOS -#ifdef LSI_C -#define setbinmode(fp) fsetbin(fp) -#else /* Microsoft C, Turbo C */ -#define setbinmode(fp) setmode(fileno(fp), O_BINARY) -#endif -#else /* UNIX,OS/2 */ -#define setbinmode(fp) -#endif - -#ifdef _IOFBF /* SysV and MSDOS */ -#define setvbuffer(fp, buf, size) setvbuf(fp, buf, _IOFBF, size) -#else /* BSD */ -#define setvbuffer(fp, buf, size) setbuffer(fp, buf, size) -#endif + * 現在、nkf は SorceForge にてメンテナンスが続けられています。 + * http://sourceforge.jp/projects/nkf/ + ***********************************************************************/ +#define NKF_IDENT "$Id: nkf.c,v 1.185 2008/10/28 13:42:25 naruse Exp $" +#define NKF_VERSION "2.0.8" +#define NKF_RELEASE_DATE "2008-10-28" +#define COPY_RIGHT \ + "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),2000 S. Kono, COW\n" \ + "Copyright (C) 2002-2008 Kono, Furukawa, Naruse, mastodon" -/*Borland C++ 4.5 EasyWin*/ -#if defined(__TURBOC__) && defined(_Windows) && !defined(__WIN32__) /*Easy Win */ -#define EASYWIN +#include "config.h" +#include "nkf.h" +#include "utf8tbl.h" +#ifdef __WIN32__ #include +#include #endif -#ifdef OVERWRITE -/* added by satoru@isoternet.org */ -#include -#ifndef MSDOS -#include -#include -#endif -#endif - -#define FALSE 0 -#define TRUE 1 - -/* state of output_mode and input_mode +/* state of output_mode and input_mode c2 0 means ASCII - X0201 - ISO8859_1 - X0208 - EOF all termination + JIS_X_0201_1976_K + ISO_8859_1 + JIS_X_0208 + EOF all termination c1 32bit data */ -#define ASCII 0 -#define X0208 1 -#define X0201 2 -#define ISO8859_1 8 -#define NO_X0201 3 - -/* Input Assumption */ +/* MIME ENCODE */ -#define JIS_INPUT 4 -#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 14 -#define UTF16BE_INPUT 15 - -#define WISH_TRUE 15 +/* byte order */ +enum byte_order { + ENDIAN_BIG = 1, + ENDIAN_LITTLE = 2, + ENDIAN_2143 = 3, + ENDIAN_3412 = 4 +}; /* ASCII CODE */ #define BS 0x08 -#define NL 0x0a +#define TAB 0x09 +#define LF 0x0a #define CR 0x0d #define ESC 0x1b -#define SPACE 0x20 -#define AT 0x40 -#define SSP 0xa0 +#define SP 0x20 #define DEL 0x7f #define SI 0x0f #define SO 0x0e -#define SSO 0x8e +#define SS2 0x8e +#define SS3 0x8f +#define CRLF 0x0D0A + + +/* encodings */ + +enum nkf_encodings { + ASCII, + ISO_8859_1, + ISO_2022_JP, + CP50220, + CP50221, + CP50222, + ISO_2022_JP_1, + ISO_2022_JP_3, + ISO_2022_JP_2004, + SHIFT_JIS, + WINDOWS_31J, + CP10001, + EUC_JP, + EUCJP_NKF, + CP51932, + EUCJP_MS, + EUCJP_ASCII, + SHIFT_JISX0213, + SHIFT_JIS_2004, + EUC_JISX0213, + EUC_JIS_2004, + UTF_8, + UTF_8N, + UTF_8_BOM, + UTF8_MAC, + UTF_16, + UTF_16BE, + UTF_16BE_BOM, + UTF_16LE, + UTF_16LE_BOM, + UTF_32, + UTF_32BE, + UTF_32BE_BOM, + UTF_32LE, + UTF_32LE_BOM, + BINARY, + NKF_ENCODING_TABLE_SIZE, + JIS_X_0201_1976_K = 0x1013, /* I */ /* JIS C 6220-1969 */ + /* JIS_X_0201_1976_R = 0x1014, */ /* J */ /* JIS C 6220-1969 */ + /* JIS_X_0208_1978 = 0x1040, */ /* @ */ /* JIS C 6226-1978 */ + /* JIS_X_0208_1983 = 0x1087, */ /* B */ /* JIS C 6226-1983 */ + JIS_X_0208 = 0x1168, /* @B */ + JIS_X_0212 = 0x1159, /* D */ + /* JIS_X_0213_2000_1 = 0x1228, */ /* O */ + JIS_X_0213_2 = 0x1229, /* P */ + JIS_X_0213_1 = 0x1233, /* Q */ +}; + +static nkf_char s_iconv(nkf_char c2, nkf_char c1, nkf_char c0); +static nkf_char e_iconv(nkf_char c2, nkf_char c1, nkf_char c0); +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 void j_oconv(nkf_char c2, nkf_char c1); +static void s_oconv(nkf_char c2, nkf_char c1); +static void e_oconv(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); + +typedef struct { + const char *name; + nkf_char (*iconv)(nkf_char c2, nkf_char c1, nkf_char c0); + void (*oconv)(nkf_char c2, nkf_char c1); +} nkf_native_encoding; + +nkf_native_encoding NkfEncodingASCII = { "ASCII", e_iconv, e_oconv }; +nkf_native_encoding NkfEncodingISO_2022_JP = { "ISO-2022-JP", e_iconv, j_oconv }; +nkf_native_encoding NkfEncodingShift_JIS = { "Shift_JIS", s_iconv, s_oconv }; +nkf_native_encoding NkfEncodingEUC_JP = { "EUC-JP", e_iconv, e_oconv }; +nkf_native_encoding NkfEncodingUTF_8 = { "UTF-8", w_iconv, w_oconv }; +nkf_native_encoding NkfEncodingUTF_16 = { "UTF-16", w_iconv16, w_oconv16 }; +nkf_native_encoding NkfEncodingUTF_32 = { "UTF-32", w_iconv32, w_oconv32 }; + +typedef struct { + const int id; + const char *name; + const nkf_native_encoding *base_encoding; +} nkf_encoding; + +nkf_encoding nkf_encoding_table[] = { + {ASCII, "US-ASCII", &NkfEncodingASCII}, + {ISO_8859_1, "ISO-8859-1", &NkfEncodingASCII}, + {ISO_2022_JP, "ISO-2022-JP", &NkfEncodingISO_2022_JP}, + {CP50220, "CP50220", &NkfEncodingISO_2022_JP}, + {CP50221, "CP50221", &NkfEncodingISO_2022_JP}, + {CP50222, "CP50222", &NkfEncodingISO_2022_JP}, + {ISO_2022_JP_1, "ISO-2022-JP-1", &NkfEncodingISO_2022_JP}, + {ISO_2022_JP_3, "ISO-2022-JP-3", &NkfEncodingISO_2022_JP}, + {ISO_2022_JP_2004, "ISO-2022-JP-2004", &NkfEncodingISO_2022_JP}, + {SHIFT_JIS, "Shift_JIS", &NkfEncodingShift_JIS}, + {WINDOWS_31J, "Windows-31J", &NkfEncodingShift_JIS}, + {CP10001, "CP10001", &NkfEncodingShift_JIS}, + {EUC_JP, "EUC-JP", &NkfEncodingEUC_JP}, + {EUCJP_NKF, "eucJP-nkf", &NkfEncodingEUC_JP}, + {CP51932, "CP51932", &NkfEncodingEUC_JP}, + {EUCJP_MS, "eucJP-MS", &NkfEncodingEUC_JP}, + {EUCJP_ASCII, "eucJP-ASCII", &NkfEncodingEUC_JP}, + {SHIFT_JISX0213, "Shift_JISX0213", &NkfEncodingShift_JIS}, + {SHIFT_JIS_2004, "Shift_JIS-2004", &NkfEncodingShift_JIS}, + {EUC_JISX0213, "EUC-JISX0213", &NkfEncodingEUC_JP}, + {EUC_JIS_2004, "EUC-JIS-2004", &NkfEncodingEUC_JP}, + {UTF_8, "UTF-8", &NkfEncodingUTF_8}, + {UTF_8N, "UTF-8N", &NkfEncodingUTF_8}, + {UTF_8_BOM, "UTF-8-BOM", &NkfEncodingUTF_8}, + {UTF8_MAC, "UTF8-MAC", &NkfEncodingUTF_8}, + {UTF_16, "UTF-16", &NkfEncodingUTF_16}, + {UTF_16BE, "UTF-16BE", &NkfEncodingUTF_16}, + {UTF_16BE_BOM, "UTF-16BE-BOM", &NkfEncodingUTF_16}, + {UTF_16LE, "UTF-16LE", &NkfEncodingUTF_16}, + {UTF_16LE_BOM, "UTF-16LE-BOM", &NkfEncodingUTF_16}, + {UTF_32, "UTF-32", &NkfEncodingUTF_32}, + {UTF_32BE, "UTF-32BE", &NkfEncodingUTF_32}, + {UTF_32BE_BOM, "UTF-32BE-BOM", &NkfEncodingUTF_32}, + {UTF_32LE, "UTF-32LE", &NkfEncodingUTF_32}, + {UTF_32LE_BOM, "UTF-32LE-BOM", &NkfEncodingUTF_32}, + {BINARY, "BINARY", &NkfEncodingASCII}, + {-1, NULL, NULL} +}; + +struct { + const char *name; + const int id; +} encoding_name_to_id_table[] = { + {"US-ASCII", ASCII}, + {"ASCII", ASCII}, + {"ISO-2022-JP", ISO_2022_JP}, + {"ISO2022JP-CP932", CP50220}, + {"CP50220", CP50220}, + {"CP50221", CP50221}, + {"CSISO2022JP", CP50221}, + {"CP50222", CP50222}, + {"ISO-2022-JP-1", ISO_2022_JP_1}, + {"ISO-2022-JP-3", ISO_2022_JP_3}, + {"ISO-2022-JP-2004", ISO_2022_JP_2004}, + {"SHIFT_JIS", SHIFT_JIS}, + {"SJIS", SHIFT_JIS}, + {"WINDOWS-31J", WINDOWS_31J}, + {"CSWINDOWS31J", WINDOWS_31J}, + {"CP932", WINDOWS_31J}, + {"MS932", WINDOWS_31J}, + {"CP10001", CP10001}, + {"EUCJP", EUC_JP}, + {"EUC-JP", EUC_JP}, + {"EUCJP-NKF", EUCJP_NKF}, + {"CP51932", CP51932}, + {"EUC-JP-MS", EUCJP_MS}, + {"EUCJP-MS", EUCJP_MS}, + {"EUCJPMS", EUCJP_MS}, + {"EUC-JP-ASCII", EUCJP_ASCII}, + {"EUCJP-ASCII", EUCJP_ASCII}, + {"SHIFT_JISX0213", SHIFT_JISX0213}, + {"SHIFT_JIS-2004", SHIFT_JIS_2004}, + {"EUC-JISX0213", EUC_JISX0213}, + {"EUC-JIS-2004", EUC_JIS_2004}, + {"UTF-8", UTF_8}, + {"UTF-8N", UTF_8N}, + {"UTF-8-BOM", UTF_8_BOM}, + {"UTF8-MAC", UTF8_MAC}, + {"UTF-8-MAC", UTF8_MAC}, + {"UTF-16", UTF_16}, + {"UTF-16BE", UTF_16BE}, + {"UTF-16BE-BOM", UTF_16BE_BOM}, + {"UTF-16LE", UTF_16LE}, + {"UTF-16LE-BOM", UTF_16LE_BOM}, + {"UTF-32", UTF_32}, + {"UTF-32BE", UTF_32BE}, + {"UTF-32BE-BOM", UTF_32BE_BOM}, + {"UTF-32LE", UTF_32LE}, + {"UTF-32LE-BOM", UTF_32LE_BOM}, + {"BINARY", BINARY}, + {NULL, -1} +}; + +#if defined(DEFAULT_CODE_JIS) +#define DEFAULT_ENCIDX ISO_2022_JP +#elif defined(DEFAULT_CODE_SJIS) +#define DEFAULT_ENCIDX SHIFT_JIS +#elif defined(DEFAULT_CODE_EUC) +#define DEFAULT_ENCIDX EUC_JP +#elif defined(DEFAULT_CODE_UTF8) +#define DEFAULT_ENCIDX UTF_8 +#endif + #define is_alnum(c) \ - (('a'<=c && c<='z')||('A'<= c && c<='Z')||('0'<=c && c<='9')) + (('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 == SP || c == TAB) +#define nkf_isspace(c) (nkf_isblank(c) || c == CR || c == LF) +#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) (SP<=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 bin2hex(c) ("0123456789ABCDEF"[c&15]) +#define is_eucg3(c2) (((unsigned short)c2 >> 8) == SS3) +#define nkf_noescape_mime(c) ((c == CR) || (c == LF) || \ + ((c > SP) && (c < DEL) && (c != '?') && (c != '=') && (c != '_') \ + && (c != '(') && (c != ')') && (c != '.') && (c != 0x22))) + +#define is_ibmext_in_sjis(c2) (CP932_TABLE_BEGIN <= c2 && c2 <= CP932_TABLE_END) +#define nkf_byte_jisx0201_katakana_p(c) (SP <= c && c < (0xE0&0x7F)) #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_utf8 94 -#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 112 -#endif - /* MIME preprocessor */ - #ifdef EASYWIN /*Easy Win */ extern POINT _BufferSize; #endif -/* function prototype */ - -#ifdef ANSI_C_PROTOTYPE -#define PROTO(x) x -#define STATIC static -#else -#define PROTO(x) () -#define STATIC -#endif - struct input_code{ - char *name; - int stat; - int score; - int index; - int buf[3]; - void (*status_func)PROTO((struct input_code *, int)); - int (*iconv_func)PROTO((int c2, int c1, int c0)); + const 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 int noconvert PROTO((FILE *f)); -STATIC int kanji_convert PROTO((FILE *f)); -STATIC int h_conv PROTO((FILE *f,int c2,int c1)); -STATIC int push_hold_buf PROTO((int c2)); -STATIC void set_iconv PROTO((int f, int (*iconv_func)())); -STATIC int s_iconv PROTO((int c2,int c1,int c0)); -STATIC int s2e_conv PROTO((int c2, int c1, int *p2, int *p1)); -STATIC int e_iconv PROTO((int c2,int c1,int c0)); +static const char *input_codename = NULL; /* NULL: unestablished, "": BINARY */ +static nkf_encoding *input_encoding = NULL; +static nkf_encoding *output_encoding = NULL; + +#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) +/* UCS Mapping + * 0: Shift_JIS, eucJP-ascii + * 1: eucJP-ms + * 2: CP932, CP51932 + * 3: CP10001 + */ +#define UCS_MAP_ASCII 0 +#define UCS_MAP_MS 1 +#define UCS_MAP_CP932 2 +#define UCS_MAP_CP10001 3 +static int ms_ucs_map_f = UCS_MAP_ASCII; +#endif #ifdef UTF8_INPUT_ENABLE -STATIC int w2e_conv PROTO((int c2,int c1,int c0,int *p2,int *p1)); -STATIC int w_iconv PROTO((int c2,int c1,int c0)); -STATIC int w_iconv16 PROTO((int c2,int c1,int c0)); -STATIC int w_iconv_common PROTO((int c1,int c0,unsigned short **pp,int psize,int *p2,int *p1)); +/* 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 (*encode_fallback)(nkf_char c) = NULL; +static void w_status(struct input_code *, nkf_char); #endif #ifdef UTF8_OUTPUT_ENABLE -STATIC int e2w_conv PROTO((int c2,int c1)); -STATIC void w_oconv PROTO((int c2,int c1)); -STATIC void w_oconv16 PROTO((int c2,int c1)); -#endif -STATIC void e_oconv PROTO((int c2,int c1)); -STATIC void s_oconv PROTO((int c2,int c1)); -STATIC void j_oconv PROTO((int c2,int c1)); -STATIC void fold_conv PROTO((int c2,int c1)); -STATIC void cr_conv PROTO((int c2,int c1)); -STATIC void z_conv PROTO((int c2,int c1)); -STATIC void rot_conv PROTO((int c2,int c1)); -STATIC void hira_conv PROTO((int c2,int c1)); -STATIC void base64_conv PROTO((int c2,int c1)); -STATIC void iso2022jp_check_conv PROTO((int c2,int c1)); -STATIC void no_connection PROTO((int c2,int c1)); -STATIC int no_connection2 PROTO((int c2,int c1,int c0)); - -STATIC void code_score PROTO((struct input_code *ptr)); -STATIC void code_status PROTO((int c)); - -STATIC void std_putc PROTO((int c)); -STATIC int std_getc PROTO((FILE *f)); -STATIC int std_ungetc PROTO((int c,FILE *f)); - -STATIC int broken_getc PROTO((FILE *f)); -STATIC int broken_ungetc PROTO((int c,FILE *f)); - -STATIC int mime_begin PROTO((FILE *f)); -STATIC int mime_getc PROTO((FILE *f)); -STATIC int mime_ungetc PROTO((int c,FILE *f)); - -STATIC int mime_begin_strict PROTO((FILE *f)); -STATIC int mime_getc_buf PROTO((FILE *f)); -STATIC int mime_ungetc_buf PROTO((int c,FILE *f)); -STATIC int mime_integrity PROTO((FILE *f,unsigned char *p)); - -STATIC int base64decode PROTO((int c)); -STATIC void mime_putc PROTO((int c)); -STATIC void open_mime PROTO((int c)); -STATIC void close_mime PROTO(()); -STATIC void usage PROTO(()); -STATIC void version PROTO(()); -STATIC void options PROTO((unsigned char *c)); -#ifdef PERL_XS -STATIC void reinit PROTO(()); +static int output_bom_f = FALSE; +static int output_endian = ENDIAN_BIG; #endif +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_getc(FILE *f); + +static void mime_putc(nkf_char c); + /* buffers */ +#if !defined(PERL_XS) && !defined(WIN32DLL) static unsigned char stdibuf[IOBUF_SIZE]; static unsigned char stdobuf[IOBUF_SIZE]; -static unsigned char hold_buf[HOLD_SIZE*2]; -static int hold_count; - -/* 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 */ +#endif /* flags */ static int unbuf_f = FALSE; @@ -341,61 +389,93 @@ 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_f = MIME_DECODE_DEFAULT; /* 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 UTF8_OUTPUT_ENABLE -static int w_oconv16_begin_f= 0; /* utf-16 header */ -#endif +static int x0201_f = X0201_DEFAULT; /* convert JIS X 0201 */ +static int iso2022jp_f = FALSE; /* replace non ISO-2022-JP with GETA */ +#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; +#endif -#ifdef CAP_URL_OPTION +#ifdef INPUT_OPTION static int cap_f = FALSE; -static int (*i_cgetc)PROTO((FILE *)) = std_getc; /* input of cgetc */ -static int (*i_cungetc)PROTO((int c ,FILE *f)) = std_ungetc; -STATIC int cap_getc PROTO((FILE *f)); -STATIC int cap_ungetc PROTO((int c,FILE *f)); +static nkf_char (*i_cgetc)(FILE *) = std_getc; /* input of cgetc */ +static nkf_char (*i_cungetc)(nkf_char c ,FILE *f) = std_ungetc; static int url_f = FALSE; -static int (*i_ugetc)PROTO((FILE *)) = std_getc; /* input of ugetc */ -static int (*i_uungetc)PROTO((int c ,FILE *f)) = std_ungetc; -STATIC int url_getc PROTO((FILE *f)); -STATIC int url_ungetc PROTO((int c,FILE *f)); +static nkf_char (*i_ugetc)(FILE *) = std_getc; /* input of ugetc */ +static nkf_char (*i_uungetc)(nkf_char c ,FILE *f) = std_ungetc; +#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_BMP_MAX NKF_INT32_C(0x0000FFFF) +#define UNICODE_MAX NKF_INT32_C(0x0010FFFF) +#define nkf_char_euc3_new(c) ((c) | PREFIX_EUCG3) +#define nkf_char_unicode_new(c) ((c) | CLASS_UNICODE) +#define nkf_char_unicode_p(c) ((c & CLASS_MASK) == CLASS_UNICODE) +#define nkf_char_unicode_bmp_p(c) ((c & VALUE_MASK) <= NKF_INT32_C(UNICODE_BMP_MAX)) +#define nkf_char_unicode_value_p(c) ((c & VALUE_MASK) <= NKF_INT32_C(UNICODE_MAX)) + +#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; #endif #ifdef CHECK_OPTION static int noout_f = FALSE; -STATIC void no_putc PROTO((int c)); +static void no_putc(nkf_char c); static int debug_f = FALSE; -STATIC void debug PROTO((char *str)); +static void debug(const char *str); +static nkf_char (*iconv_for_check)(nkf_char c2,nkf_char c1,nkf_char c0) = 0; #endif -STATIC void e_status PROTO((struct input_code *, int)); -STATIC void s_status PROTO((struct input_code *, int)); +static int guess_f = 0; /* 0: OFF, 1: ON, 2: VERBOSE */ +static void set_input_codename(const char *codename); -#ifdef UTF8_INPUT_ENABLE -STATIC void w_status PROTO((struct input_code *, int)); -static int utf16_mode = UTF16_INPUT; +#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 */ + +static int x0212_f = FALSE; +static int x0213_f = FALSE; + +static unsigned char prefix_table[256]; + +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}, - {"Shift_JIS", 0, 0, 0, {0, 0, 0}, s_status, s_iconv}, - {"UTF-8", 0, 0, 0, {0, 0, 0}, w_status, w_iconv}, + {"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}, +#endif {0} }; -static int mimeout_mode = 0; +static int mimeout_mode = 0; /* 0, -1, 'Q', 'B', 1, 2 */ static int base64_count = 0; /* X0208 -> ASCII converter */ @@ -408,8 +488,8 @@ static int fold_f = FALSE; static int fold_len = 0; /* options */ -static unsigned char kanji_intro = DEFAULT_J, - ascii_intro = DEFAULT_R; +static unsigned char kanji_intro = DEFAULT_J; +static unsigned char ascii_intro = DEFAULT_R; /* Folding */ @@ -418,67 +498,62 @@ static unsigned char kanji_intro = DEFAULT_J, static int fold_margin = FOLD_MARGIN; -/* converters */ +/* process default */ -#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 +static 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 */ +} -/* process default */ -static void (*output_conv)PROTO((int c2,int c1)) = DEFAULT_CONV; +static void +no_connection(nkf_char c2, nkf_char c1) +{ + no_connection2(c2,c1,0); +} -static void (*oconv)PROTO((int c2,int c1)) = no_connection; -/* s_iconv or oconv */ -static int (*iconv)PROTO((int c2,int c1,int c0)) = no_connection2; +static nkf_char (*iconv)(nkf_char c2,nkf_char c1,nkf_char c0) = no_connection2; +static void (*oconv)(nkf_char c2,nkf_char c1) = no_connection; -static void (*o_zconv)PROTO((int c2,int c1)) = no_connection; -static void (*o_fconv)PROTO((int c2,int c1)) = no_connection; -static void (*o_crconv)PROTO((int c2,int c1)) = no_connection; -static void (*o_rot_conv)PROTO((int c2,int c1)) = no_connection; -static void (*o_hira_conv)PROTO((int c2,int c1)) = no_connection; -static void (*o_base64conv)PROTO((int c2,int c1)) = no_connection; -static void (*o_iso2022jp_check_conv)PROTO((int c2,int c1)) = no_connection; +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_eol_conv)(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)PROTO((int c)) = std_putc; +static void (*o_putc)(nkf_char c) = std_putc; -static int (*i_getc)PROTO((FILE *f)) = std_getc; /* general input */ -static int (*i_ungetc)PROTO((int c,FILE *f)) =std_ungetc; +static nkf_char (*i_getc)(FILE *f) = std_getc; /* general input */ +static nkf_char (*i_ungetc)(nkf_char c,FILE *f) =std_ungetc; -static int (*i_bgetc)PROTO((FILE *)) = std_getc; /* input of mgetc */ -static int (*i_bungetc)PROTO((int 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)PROTO((int c)) = std_putc ; /* output of mputc */ +static void (*o_mputc)(nkf_char c) = std_putc ; /* output of mputc */ -static int (*i_mgetc)PROTO((FILE *)) = std_getc; /* input of mgetc */ -static int (*i_mungetc)PROTO((int c ,FILE *f)) = std_ungetc; +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 int (*i_mgetc_buf)PROTO((FILE *)) = std_getc; /* input of mgetc_buf */ -static int (*i_mungetc_buf)PROTO((int c,FILE *f)) = std_ungetc; +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 output_mode = ASCII; /* output kanji mode */ +static int input_mode = ASCII; /* input kanji mode */ 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 -unsigned char cv[]= { +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, @@ -500,8 +575,7 @@ unsigned char cv[]= { /* X0201 kana conversion table for daguten */ /* 90-9F A0-DF */ -static -unsigned char dv[]= { +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, @@ -522,8 +596,7 @@ unsigned char dv[]= { /* X0201 kana conversion table for han-daguten */ /* 90-9F A0-DF */ -static -unsigned char ev[]= { +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, @@ -545,8 +618,7 @@ unsigned char ev[]= { /* X0208 kigou conversion table */ /* 0x8140 - 0x819e */ -static -unsigned char fv[] = { +static const unsigned char fv[] = { 0x00,0x00,0x00,0x00,0x2c,0x2e,0x00,0x3a, 0x3b,0x3f,0x21,0x00,0x00,0x27,0x60,0x00, @@ -563,218 +635,409 @@ unsigned char fv[] = { } ; -#define CRLF 1 -static int file_out = FALSE; +static int option_mode = 0; +static int file_out_f = FALSE; #ifdef OVERWRITE -static int overwrite = FALSE; +static int overwrite_f = FALSE; +static int preserve_time_f = FALSE; +static int backup_f = FALSE; +static char *backup_suffix = ""; #endif -static int crmode_f = 0; /* CR, NL, CRLF */ +static int eolmode_f = 0; /* CR, LF, CRLF */ +static int input_eol = 0; /* 0: unestablished, EOF: MIXED */ +static nkf_char prev_cr = 0; /* CR or 0 */ #ifdef EASYWIN /*Easy Win */ static int end_check; #endif /*Easy Win */ -#ifndef PERL_XS -int -main(argc, argv) - int argc; - char **argv; +#define STD_GC_BUFSIZE (256) +nkf_char std_gc_buf[STD_GC_BUFSIZE]; +nkf_char std_gc_ndx; + +static int +nkf_str_caseeql(const char *src, const char *target) { - FILE *fin; - unsigned char *cp; + int i; + for (i = 0; src[i] && target[i]; i++) { + if (nkf_toupper(src[i]) != nkf_toupper(target[i])) return FALSE; + } + if (src[i] || target[i]) return FALSE; + else return TRUE; +} -#ifdef EASYWIN /*Easy Win */ - _BufferSize.y = 400;/*Set Scroll Buffer Size*/ -#endif +static nkf_encoding* +nkf_enc_from_index(int idx) +{ + if (idx < 0 || NKF_ENCODING_TABLE_SIZE <= idx) { + return 0; + } + return &nkf_encoding_table[idx]; +} - for (argc--,argv++; (argc > 0) && **argv == '-'; argc--, argv++) { - cp = (unsigned char *)*argv; - options(cp); +static int +nkf_enc_find_index(const char *name) +{ + int i; + if (name[0] == 'X' && *(name+1) == '-') name += 2; + for (i = 0; encoding_name_to_id_table[i].id >= 0; i++) { + if (nkf_str_caseeql(encoding_name_to_id_table[i].name, name)) { + return encoding_name_to_id_table[i].id; + } } - if(x0201_f == WISH_TRUE) - x0201_f = ((!iso2022jp_f)? TRUE : NO_X0201); + return -1; +} - if (binmode_f == TRUE) -#ifdef __OS2__ - if (freopen("","wb",stdout) == NULL) - return (-1); +static nkf_encoding* +nkf_enc_find(const char *name) +{ + int idx = -1; + idx = nkf_enc_find_index(name); + if (idx < 0) return 0; + return nkf_enc_from_index(idx); +} + +#define nkf_enc_name(enc) (enc)->name +#define nkf_enc_to_index(enc) (enc)->id +#define nkf_enc_to_base_encoding(enc) (enc)->base_encoding +#define nkf_enc_to_iconv(enc) nkf_enc_to_base_encoding(enc)->iconv +#define nkf_enc_to_oconv(enc) nkf_enc_to_base_encoding(enc)->oconv +#define nkf_enc_asciicompat(enc) (\ + nkf_enc_to_base_encoding(enc) == &NkfEncodingASCII ||\ + nkf_enc_to_base_encoding(enc) == &NkfEncodingISO_2022_JP) +#define nkf_enc_unicode_p(enc) (\ + nkf_enc_to_base_encoding(enc) == &NkfEncodingUTF_8 ||\ + nkf_enc_to_base_encoding(enc) == &NkfEncodingUTF_16 ||\ + nkf_enc_to_base_encoding(enc) == &NkfEncodingUTF_32) +#define nkf_enc_cp5022x_p(enc) (\ + nkf_enc_to_index(enc) == CP50220 ||\ + nkf_enc_to_index(enc) == CP50221 ||\ + nkf_enc_to_index(enc) == CP50222) + +#ifdef DEFAULT_CODE_LOCALE +static char* +nkf_locale_charmap() +{ +#ifdef HAVE_LANGINFO_H + return nl_langinfo(CODESET); +#elif defined(__WIN32__) + char buf[16]; + char *str; + int len = sprintf(buf, "CP%d", GetACP()); + if (len > 0) { + str = malloc(len + 1); + strcpy(str, buf); + str[len] = '\0'; + return str; + } + else return NULL; #else - setbinmode(stdout); + return NULL; #endif +} - if (unbuf_f) - setbuf(stdout, (char *) NULL); - else - setvbuffer(stdout, stdobuf, IOBUF_SIZE); +static nkf_encoding* +nkf_locale_encoding() +{ + nkf_encoding *enc = 0; + char *encname = nkf_locale_charmap(); + if (encname) + enc = nkf_enc_find(encname); + if (enc < 0) enc = 0; + return enc; +} +#endif /* DEFAULT_CODE_LOCALE */ - if (argc == 0) { - if (binmode_f == TRUE) -#ifdef __OS2__ - if (freopen("","rb",stdin) == NULL) return (-1); -#else - setbinmode(stdin); +static nkf_encoding* +nkf_default_encoding() +{ + nkf_encoding *enc = 0; +#ifdef DEFAULT_CODE_LOCALE + enc = nkf_locale_encoding(); +#elif DEFAULT_ENCIDX + enc = nkf_enc_from_index(DEFAULT_ENCIDX); #endif - setvbuffer(stdin, stdibuf, IOBUF_SIZE); - if (nop_f) - noconvert(stdin); - else - kanji_convert(stdin); - } else { - while (argc--) { - char *outfname; - char *origfname; - - if ((fin = fopen((origfname = *argv++), "r")) == NULL) { - perror(*--argv); - return(-1); - } else { -#ifdef OVERWRITE - int fd; - int fd_backup; + return enc; +} + +#ifndef PERL_XS +#ifdef WIN32DLL +#define fprintf dllprintf #endif -/* reopen file for stdout */ - if (file_out == TRUE) { -#ifdef OVERWRITE - if (overwrite){ - outfname = malloc(strlen(origfname) - + strlen(".nkftmpXXXXXX") - + 1); - if (!outfname){ - perror(origfname); - return -1; - } - strcpy(outfname, origfname); +static void +version(void) +{ + fprintf(HELP_OUTPUT,"Network Kanji Filter Version " NKF_VERSION " (" NKF_RELEASE_DATE ") \n" COPY_RIGHT "\n"); +} + +static void +usage(void) +{ + fprintf(HELP_OUTPUT, + "USAGE: nkf(nkf32,wnkf,nkf2) -[flags] [in file] .. [out file for -O flag]\n" + "Flags:\n" + "b,u Output is buffered (DEFAULT),Output is unbuffered\n" + "j,s,e,w Output code is ISO-2022-JP, Shift JIS, EUC-JP, UTF-8N\n" +#ifdef UTF8_OUTPUT_ENABLE + " After 'w' you can add more options. -w[ 8 [0], 16 [[BL] [0]] ]\n" +#endif + "J,S,E,W Input assumption is JIS 7 bit , Shift JIS, EUC-JP, UTF-8\n" +#ifdef UTF8_INPUT_ENABLE + " After 'W' you can add more options. -W[ 8, 16 [BL] ] \n" +#endif + "t no conversion\n" + "i[@B] Specify the Esc Seq for JIS X 0208-1978/83 (DEFAULT B)\n" + "o[BJH] Specify the Esc Seq for ASCII/Roman (DEFAULT B)\n" + "r {de/en}crypt ROT13/47\n" + "h 1 katakana->hiragana, 2 hiragana->katakana, 3 both\n" + "m[BQSN0] MIME decode [B:base64,Q:quoted,S:strict,N:non-strict,0:no decode]\n" + "M[BQ] MIME encode [B:base64 Q:quoted]\n" + "l ISO8859-1 (Latin-1) support\n" + "f/F Folding: -f60 or -f or -f60-10 (fold margin 10) F preserve nl\n" + "Z[0-4] Default/0: Convert JISX0208 Alphabet to ASCII\n" + " 1: Kankaku to one space 2: to two spaces 3: HTML Entity\n" + " 4: JISX0208 Katakana to JISX0201 Katakana\n" + "X,x Assume X0201 kana in MS-Kanji, -x preserves X0201\n" + "B[0-2] Broken input 0: missing ESC,1: any X on ESC-[($]-X,2: ASCII on NL\n" #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, - S_IREAD | S_IWRITE); + "T Text mode output\n" +#endif + "O Output to File (DEFAULT 'nkf.out')\n" + "I Convert non ISO-2022-JP charactor to GETA\n" + "d,c Convert line breaks -d: LF -c: CRLF\n" + "-L[uwm] line mode u:LF w:CRLF m:CR (DEFAULT noconversion)\n" + "v, V Show this usage. V: show configuration\n" + "\n" + "Long name options\n" + " --ic= --oc=\n" + " Specify the input or output codeset\n" + " --fj --unix --mac --windows\n" + " --jis --euc --sjis --utf8 --utf16 --mime --base64\n" + " Convert for the system or code\n" + " --hiragana --katakana --katakana-hiragana\n" + " To Hiragana/Katakana Conversion\n" + " --prefix= Insert escape before troublesome characters of Shift_JIS\n" +#ifdef INPUT_OPTION + " --cap-input, --url-input Convert hex after ':' or '%%'\n" +#endif +#ifdef NUMCHAR_OPTION + " --numchar-input Convert Unicode Character Reference\n" +#endif +#ifdef UTF8_INPUT_ENABLE + " --fb-{skip, html, xml, perl, java, subchar}\n" + " Specify how nkf handles unassigned characters\n" +#endif +#ifdef OVERWRITE + " --in-place[=SUFFIX] --overwrite[=SUFFIX]\n" + " Overwrite original listed files by filtered result\n" + " --overwrite preserves timestamp of original files\n" +#endif + " -g --guess Guess the input code\n" + " --help --version Show this help/the version\n" + " For more information, see also man nkf\n" + "\n"); + version(); +} + +static void +show_configuration(void) +{ + fprintf(HELP_OUTPUT, + "Summary of my nkf " NKF_VERSION " (" NKF_RELEASE_DATE ") configuration:\n" + " nkf identity:\n" + " " NKF_IDENT "\n" + " Compile-time options:\n" + " Compiled at: " __DATE__ " " __TIME__ "\n" + ); + fprintf(HELP_OUTPUT, + " Default output encoding: " +#ifdef DEFAULT_CODE_LOCALE + "LOCALE (%s)\n", nkf_enc_name(nkf_default_encoding()) +#elif DEFAULT_ENCIDX + "CONFIG (%s)\n", nkf_enc_name(nkf_default_encoding()) #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) { -#ifdef __OS2__ - if (freopen("","wb",stdout) == NULL) - return (-1); + "NONE\n" +#endif + ); + fprintf(HELP_OUTPUT, + " Default output end of line: " +#if DEFAULT_NEWLINE == CR + "CR" +#elif DEFAULT_NEWLINE == CRLF + "CRLF" #else - setbinmode(stdout); -#endif - } - } - if (binmode_f == TRUE) -#ifdef __OS2__ - if (freopen("","rb",fin) == NULL) - return (-1); + "LF" +#endif + "\n" + " Decode MIME encoded string: " +#if MIME_DECODE_DEFAULT + "ON" #else - setbinmode(fin); -#endif - setvbuffer(fin, stdibuf, IOBUF_SIZE); - if (nop_f) - noconvert(fin); - else - kanji_convert(fin); - fclose(fin); -#ifdef OVERWRITE - if (overwrite) { - struct stat sb; -#ifdef MSDOS - time_t tb[2]; + "OFF" +#endif + "\n" + " Convert JIS X 0201 Katakana: " +#if X0201_DEFAULT + "ON" #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); - } -#ifdef MSDOS - tb[0] = tb[1] = sb.st_mtime; - /* タイムスタンプを復元 */ - if (utime(outfname, tb)) { - fprintf(stderr, "Can't set timestamp %s\n", outfname); - } - - if (unlink(origfname)){ - perror(origfname); - } + "OFF" +#endif + "\n" + " --help, --version output: " +#if HELP_OUTPUT_HELP_OUTPUT + "HELP_OUTPUT" #else - tb.actime = sb.st_atime; - tb.modtime = sb.st_mtime; - /* タイムスタンプを復元 */ - if (utime(outfname, &tb)) { - fprintf(stderr, "Can't set timestamp %s\n", outfname); - } -#endif - if (rename(outfname, origfname)) { - perror(origfname); - fprintf(stderr, "Can't rename %s to %s\n", - outfname, origfname); - } - free(outfname); - } -#endif - } - } + "STDOUT" +#endif + "\n"); +} +#endif /*PERL_XS*/ + +#ifdef OVERWRITE +static 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++; } -#ifdef EASYWIN /*Easy Win */ - if (file_out == FALSE) - scanf("%d",&end_check); - else - fclose(stdout); -#else /* for Other OS */ - if (file_out == TRUE) - fclose(stdout); -#endif - return (0); + + 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 = filename_length + strlen(suffix); + backup_filename = malloc(j + 1); + strcpy(backup_filename, filename); + strcat(backup_filename, suffix); + backup_filename[j] = '\0'; + } + return backup_filename; } #endif -static -struct { - char *name; - char *alias; +#ifdef UTF8_INPUT_ENABLE +static void +nkf_each_char_to_hex(void (*f)(nkf_char c2,nkf_char c1), nkf_char c) +{ + int shift = 20; + c &= VALUE_MASK; + while(shift >= 0){ + if(c >= 1<= 0){ + (*f)(0, bin2hex(c>>shift)); + shift -= 4; + } + }else{ + shift -= 4; + } + } + return; +} + +static 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; +} + +static void +encode_fallback_xml(nkf_char c) +{ + (*oconv)(0, '&'); + (*oconv)(0, '#'); + (*oconv)(0, 'x'); + nkf_each_char_to_hex(oconv, c); + (*oconv)(0, ';'); + return; +} + +static void +encode_fallback_java(nkf_char c) +{ + (*oconv)(0, '\\'); + c &= VALUE_MASK; + if(!nkf_char_unicode_bmp_p(c)){ + (*oconv)(0, 'U'); + (*oconv)(0, '0'); + (*oconv)(0, '0'); + (*oconv)(0, bin2hex(c>>20)); + (*oconv)(0, bin2hex(c>>16)); + }else{ + (*oconv)(0, 'u'); + } + (*oconv)(0, bin2hex(c>>12)); + (*oconv)(0, bin2hex(c>> 8)); + (*oconv)(0, bin2hex(c>> 4)); + (*oconv)(0, bin2hex(c )); + return; +} + +static void +encode_fallback_perl(nkf_char c) +{ + (*oconv)(0, '\\'); + (*oconv)(0, 'x'); + (*oconv)(0, '{'); + nkf_each_char_to_hex(oconv, c); + (*oconv)(0, '}'); + return; +} + +static void +encode_fallback_subchar(nkf_char c) +{ + c = unicode_subchar; + (*oconv)((c>>8)&0xFF, c&0xFF); + return; +} +#endif + +static const struct { + const char *name; + const char *alias; } long_option[] = { + {"ic=", ""}, + {"oc=", ""}, {"base64","jMB"}, {"euc","e"}, {"euc-input","E"}, @@ -794,2662 +1057,5481 @@ struct { {"hiragana","h1"}, {"katakana","h2"}, {"katakana-hiragana","h3"}, + {"guess=", ""}, + {"guess", "g2"}, + {"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 CAP_URL_OPTION +#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; - -void -options(cp) - unsigned char *cp; +static void +set_input_encoding(nkf_encoding *enc) { - int i; - unsigned char *p; - - if (option_mode==1) - return; - if (*cp++ != '-') - return; - while (*cp) { - switch (*cp++) { - case '-': /* literal options */ - if (!*cp) { /* ignore the rest of arguments */ - option_mode = 1; - return; - } - for (i=0;i kata - bit:2 kata -> hira - */ - if ('9'>= *cp && *cp>='0') - hira_f |= (*cp++ -'0'); - else - hira_f |= 1; - continue; - case 'r': - rot_f = TRUE; - continue; -#if defined(MSDOS) || defined(__OS2__) - case 'T': - binmode_f = FALSE; - continue; +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_CP932; #endif -#ifndef PERL_XS - case 'V': - version(); - exit(1); - break; - case 'v': - usage(); - exit(1); - break; + break; + case ISO_2022_JP_1: + x0212_f = TRUE; + break; + case ISO_2022_JP_3: + x0212_f = TRUE; + x0213_f = TRUE; + break; + case ISO_2022_JP_2004: + x0212_f = TRUE; + x0213_f = TRUE; + break; + case SHIFT_JIS: + break; + case WINDOWS_31J: +#ifdef SHIFTJIS_CP932 + cp51932_f = TRUE; #endif #ifdef UTF8_OUTPUT_ENABLE - case 'w': /* UTF-8 output */ - if ('1'== cp[0] && '6'==cp[1]) { - output_conv = w_oconv16; cp+=2; - if (cp[0]=='L') { - w_oconv16_begin_f=2; cp++; - } - } else - output_conv = w_oconv; - continue; + ms_ucs_map_f = UCS_MAP_CP932; #endif -#ifdef UTF8_INPUT_ENABLE - case 'W': /* UTF-8 input */ - if ('1'== cp[0] && '6'==cp[1]) { - input_f = UTF16_INPUT; - } else - input_f = UTF8_INPUT; - continue; -#endif - /* Input code assumption */ - case 'J': /* JIS input */ - case 'E': /* AT&T EUC input */ - input_f = JIS_INPUT; - continue; - case 'S': /* MS Kanji input */ - input_f = SJIS_INPUT; - if (x0201_f==NO_X0201) x0201_f=TRUE; - continue; - case 'Z': /* Convert X0208 alphabet to asii */ - /* bit:0 Convert X0208 - bit:1 Convert Kankaku to one space - bit:2 Convert Kankaku to two spaces - bit:3 Convert HTML Entity - */ - if ('9'>= *cp && *cp>='0') - alpha_f |= 1<<(*cp++ -'0'); - else - alpha_f |= TRUE; - continue; - case 'x': /* Convert X0201 kana to X0208 or X0201 Conversion */ - x0201_f = FALSE; /* No X0201->X0208 conversion */ - /* accept X0201 - ESC-(-I in JIS, EUC, MS Kanji - SI/SO in JIS, EUC, MS Kanji - SSO in EUC, JIS, not in MS Kanji - MS Kanji (0xa0-0xdf) - output X0201 - ESC-(-I in JIS (0x20-0x5f) - SSO in EUC (0xa0-0xdf) - 0xa0-0xd in MS Kanji (0xa0-0xdf) - */ - continue; - case 'X': /* Assume X0201 kana */ - /* Default value is NO_X0201 for EUC/MS-Kanji mix */ - x0201_f = TRUE; - continue; - case 'F': /* prserve new lines */ - fold_preserve_f = TRUE; - case 'f': /* folding -f60 or -f */ - fold_f = TRUE; - fold_len = 0; - while('0'<= *cp && *cp <='9') { /* we don't use atoi here */ - fold_len *= 10; - fold_len += *cp++ - '0'; - } - if (!(0= *cp && *cp>='0') - broken_f |= 1<<(*cp++ -'0'); - else - broken_f |= TRUE; - continue; -#ifndef PERL_XS - case 'O':/* for Output file */ - file_out = TRUE; - continue; -#endif - case 'c':/* add cr code */ - crmode_f = CRLF; - continue; - case 'd':/* delete cr code */ - crmode_f = NL; - continue; - case 'I': /* ISO-2022-JP output */ - iso2022jp_f = TRUE; - continue; - case 'L': /* line mode */ - if (*cp=='u') { /* unix */ - crmode_f = NL; cp++; - } else if (*cp=='m') { /* mac */ - crmode_f = CR; cp++; - } else if (*cp=='w') { /* windows */ - crmode_f = CRLF; cp++; - } else if (*cp=='0') { /* no conversion */ - crmode_f = 0; cp++; - } - continue; - case ' ': - /* module muliple options in a string are allowed for Perl moudle */ - while(*cp && *cp!='-') cp++; - if(*cp=='-') cp++; - continue; - default: - /* bogus option but ignored */ - continue; - } - } -} - -#ifdef ANSI_C_PROTOTYPE -void set_iconv(int f, int (*iconv_func)(int c2,int c1,int c0)) -#else -void set_iconv(f, iconv_func) - int f; - int (*iconv_func)(); + break; + break; + case CP10001: +#ifdef SHIFTJIS_CP932 + cp51932_f = TRUE; #endif -{ -#ifdef CHECK_OPTION - static int (*iconv_for_check)() = 0; +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_CP10001; #endif -#ifdef INPUT_CODE_FIX - if (f || !input_f) + break; + case EUC_JP: + break; + case EUCJP_NKF: + break; + case CP51932: +#ifdef SHIFTJIS_CP932 + cp51932_f = TRUE; #endif - if (estab_f != f){ - estab_f = f; - } - - if (iconv_func -#ifdef INPUT_CODE_FIX - && (f == -TRUE || !input_f) /* -TRUE means "FORCE" */ +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_CP932; #endif - ){ - iconv = iconv_func; - } -#ifdef CHECK_OPTION - if (estab_f && iconv_for_check != iconv){ + break; + case EUCJP_MS: +#ifdef SHIFTJIS_CP932 + cp51932_f = FALSE; +#endif +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_MS; +#endif + break; + case EUCJP_ASCII: +#ifdef SHIFTJIS_CP932 + cp51932_f = FALSE; +#endif +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_ASCII; +#endif + break; + case SHIFT_JISX0213: + case SHIFT_JIS_2004: + x0213_f = TRUE; +#ifdef SHIFTJIS_CP932 + cp51932_f = FALSE; +#endif + break; + case EUC_JISX0213: + case EUC_JIS_2004: + x0213_f = TRUE; +#ifdef SHIFTJIS_CP932 + cp51932_f = FALSE; +#endif + break; #ifdef UTF8_INPUT_ENABLE - if (iconv == w_iconv) debug("UTF-8\n"); - if (iconv == w_iconv16) debug("UTF-16\n"); +#ifdef UNICODE_NORMALIZATION + case UTF8_MAC: + nfc_f = TRUE; + break; #endif - if (iconv == s_iconv) debug("Shift_JIS\n"); - if (iconv == e_iconv) debug("EUC-JP\n"); - iconv_for_check = iconv; - } + case UTF_16: + case UTF_16BE: + case UTF_16BE_BOM: + input_endian = ENDIAN_BIG; + break; + case UTF_16LE: + case UTF_16LE_BOM: + input_endian = ENDIAN_LITTLE; + break; + case UTF_32: + case UTF_32BE: + case UTF_32BE_BOM: + input_endian = ENDIAN_BIG; + break; + case UTF_32LE: + case UTF_32LE_BOM: + input_endian = ENDIAN_LITTLE; + break; #endif + } } -#define SCORE_KANA (1) /* いわゆる半角カナ */ -#define SCORE_DEPEND (SCORE_KANA << 1) /* 機種依存文字 */ -#define SCORE_NO_EXIST (SCORE_DEPEND << 1) /* 存在しない文字 */ -#define SCORE_ERROR (SCORE_NO_EXIST << 1) /* エラー */ -int 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, -}; - -int score_table_F0[] = { - 0, 0, 0, 0, - 0, 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 code_score(ptr) - struct input_code *ptr; +static void +set_output_encoding(nkf_encoding *enc) { - int s = ptr->score; - int c2 = ptr->buf[0]; - int c1 = ptr->buf[1]; - if (c2 < 0){ - s |= SCORE_ERROR; - }else if ((c2 & 0xf0) == 0xa0){ - s |= score_table_A0[c2 & 0x0f]; - }else if ((c2 & 0xf0) == 0xf0){ - s |= score_table_F0[c2 & 0x0f]; - }else if (c2 == SSO){ - s |= SCORE_KANA; - } + switch (nkf_enc_to_index(enc)) { + case CP50220: + x0201_f = TRUE; +#ifdef SHIFTJIS_CP932 + if (cp932inv_f == TRUE) cp932inv_f = FALSE; +#endif #ifdef UTF8_OUTPUT_ENABLE - else if (!e2w_conv(c2, c1)){ - s |= SCORE_NO_EXIST; - } + ms_ucs_map_f = UCS_MAP_CP932; +#endif + break; + case CP50221: +#ifdef SHIFTJIS_CP932 + if (cp932inv_f == TRUE) cp932inv_f = FALSE; +#endif +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_CP932; +#endif + break; + case ISO_2022_JP_1: + x0212_f = TRUE; +#ifdef SHIFTJIS_CP932 + if (cp932inv_f == TRUE) cp932inv_f = FALSE; +#endif + break; + case ISO_2022_JP_3: + x0212_f = TRUE; + x0213_f = TRUE; +#ifdef SHIFTJIS_CP932 + if (cp932inv_f == TRUE) cp932inv_f = FALSE; +#endif + break; + case SHIFT_JIS: + break; + case WINDOWS_31J: +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_CP932; +#endif + break; + case CP10001: +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_CP10001; +#endif + break; + case EUC_JP: + x0212_f = TRUE; +#ifdef SHIFTJIS_CP932 + if (cp932inv_f == TRUE) cp932inv_f = FALSE; +#endif +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_ASCII; +#endif + break; + case EUCJP_NKF: + x0212_f = FALSE; +#ifdef SHIFTJIS_CP932 + if (cp932inv_f == TRUE) cp932inv_f = FALSE; +#endif +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_ASCII; +#endif + break; + case CP51932: +#ifdef SHIFTJIS_CP932 + if (cp932inv_f == TRUE) cp932inv_f = FALSE; +#endif +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_CP932; +#endif + break; + case EUCJP_MS: + x0212_f = TRUE; +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_MS; +#endif + break; + case EUCJP_ASCII: + x0212_f = TRUE; +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = UCS_MAP_ASCII; #endif - ptr->score = s; + break; + case SHIFT_JISX0213: + case SHIFT_JIS_2004: + x0213_f = TRUE; +#ifdef SHIFTJIS_CP932 + if (cp932inv_f == TRUE) cp932inv_f = FALSE; +#endif + break; + case EUC_JISX0213: + case EUC_JIS_2004: + x0212_f = TRUE; + x0213_f = TRUE; +#ifdef SHIFTJIS_CP932 + if (cp932inv_f == TRUE) cp932inv_f = FALSE; +#endif + break; +#ifdef UTF8_OUTPUT_ENABLE + case UTF_8_BOM: + output_bom_f = TRUE; + break; + case UTF_16: + case UTF_16BE_BOM: + output_bom_f = TRUE; + break; + case UTF_16LE: + output_endian = ENDIAN_LITTLE; + output_bom_f = FALSE; + break; + case UTF_16LE_BOM: + output_endian = ENDIAN_LITTLE; + output_bom_f = TRUE; + break; + case UTF_32BE_BOM: + output_bom_f = TRUE; + break; + case UTF_32LE: + output_endian = ENDIAN_LITTLE; + output_bom_f = FALSE; + break; + case UTF_32LE_BOM: + output_endian = ENDIAN_LITTLE; + output_bom_f = TRUE; + break; +#endif + } } -void status_disable(ptr) -struct input_code *ptr; +static struct input_code* +find_inputcode_byfunc(nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0)) { - ptr->stat = -1; - ptr->buf[0] = -1; - code_score(ptr); - if (iconv == ptr->iconv_func) set_iconv(FALSE, 0); + if (iconv_func){ + struct input_code *p = input_code_list; + while (p->name){ + if (iconv_func == p->iconv_func){ + return p; + } + p++; + } + } + return 0; } -void status_push_ch(ptr, c) - struct input_code *ptr; - int c; +static void +set_iconv(nkf_char f, nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0)) { - ptr->buf[ptr->index++] = c; +#ifdef INPUT_CODE_FIX + if (f || !input_encoding) +#endif + if (estab_f != f){ + estab_f = f; + } + + if (iconv_func +#ifdef INPUT_CODE_FIX + && (f == -TRUE || !input_encoding) /* -TRUE means "FORCE" */ +#endif + ){ + iconv = iconv_func; + } +#ifdef CHECK_OPTION + if (estab_f && iconv_for_check != iconv){ + struct input_code *p = find_inputcode_byfunc(iconv); + if (p){ + set_input_codename(p->name); + debug(p->name); + } + iconv_for_check = iconv; + } +#endif } -void status_reset(ptr) - struct input_code *ptr; +#ifdef X0212_ENABLE +static nkf_char +x0212_shift(nkf_char c) { - ptr->stat = 0; - ptr->score = 0; - ptr->index = 0; + 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; } -void status_check(ptr, c) - struct input_code *ptr; - int c; + +static nkf_char +x0212_unshift(nkf_char c) { - if (c <= DEL && estab_f){ - status_reset(ptr); + 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 */ -void s_status(ptr, c) - struct input_code *ptr; - int c; -{ - switch(ptr->stat){ - case -1: - status_check(ptr, c); - break; - case 0: - if (c <= DEL){ - break; - }else if (0xa1 <= c && c <= 0xef){ - status_push_ch(ptr, SSO); - status_push_ch(ptr, c); - code_score(ptr); - status_reset(ptr); - }else if ((0x81 <= c && c < 0xa0) || (0xe0 <= c && c <= 0xea)){ - ptr->stat = 1; - status_push_ch(ptr, c); - }else{ - status_disable(ptr); - } - break; - case 1: - if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfd)){ - status_push_ch(ptr, c); - s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]); - code_score(ptr); - status_reset(ptr); - }else{ - status_disable(ptr); - } - break; - } -} - -void e_status(ptr, c) - struct input_code *ptr; - int c; +static nkf_char +e2s_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1) { - switch (ptr->stat){ - case -1: - status_check(ptr, c); - break; - case 0: - if (c <= DEL){ - break; - }else if (SSO == c || (0xa1 <= c && c <= 0xfe)){ - ptr->stat = 1; - status_push_ch(ptr, c); - }else{ - status_disable(ptr); - } - break; - case 1: - if (0xa1 <= c && c <= 0xfe){ - status_push_ch(ptr, c); - code_score(ptr); - status_reset(ptr); - }else{ - status_disable(ptr); - } - break; + 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; + 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; } -#ifdef UTF8_INPUT_ENABLE -void w_status(ptr, c) - struct input_code *ptr; - int c; -{ - switch (ptr->stat){ - case -1: - status_check(ptr, c); - break; - case 0: - if (c <= DEL){ - break; - }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{ - status_disable(ptr); - } - break; - case 1: - case 2: - if (0x80 <= c && c <= 0xbf){ - status_push_ch(ptr, c); - if (ptr->index > ptr->stat){ - w2e_conv(ptr->buf[0], ptr->buf[1], ptr->buf[2], - &ptr->buf[0], &ptr->buf[1]); - code_score(ptr); - status_reset(ptr); - } - }else{ - status_disable(ptr); - } - break; - } -} -#endif - -void -code_status(c) - int c; +static nkf_char +s2e_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1) { - int action_flag = 1; - struct input_code *result = 0; - struct input_code *p = input_code_list; - while (p->name){ - (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 defined(SHIFTJIS_CP932) || defined(X0212_ENABLE) + nkf_char val; +#endif + static const char shift_jisx0213_s1a3_table[5][2] ={ { 1, 8}, { 3, 4}, { 5,12}, {13,14}, {15, 0} }; + if (0xFC < c1) return 1; +#ifdef SHIFTJIS_CP932 + if (!cp932inv_f && is_ibmext_in_sjis(c2)){ + val = shiftjis_cp932[c2 - CP932_TABLE_BEGIN][c1 - 0x40]; + if (val){ + c2 = val >> 8; + c1 = val & 0xff; + } } - - if (action_flag){ - if (result){ - set_iconv(TRUE, result->iconv_func); - }else if (c <= DEL){ - struct input_code *ptr = input_code_list; - while (ptr->name){ - status_reset(ptr); - ++ptr; - } - } + if (cp932inv_f + && CP932INV_TABLE_BEGIN <= c2 && c2 <= CP932INV_TABLE_END){ + val = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40]; + if (val){ + c2 = val >> 8; + c1 = val & 0xff; + } + } +#endif /* SHIFTJIS_CP932 */ +#ifdef X0212_ENABLE + if (!x0213_f && is_ibmext_in_sjis(c2)){ + 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{ +#define SJ0162 0x00e1 /* 01 - 62 ku offset */ +#define SJ6394 0x0161 /* 63 - 94 ku offset */ + c2 = c2 + c2 - ((c2 <= 0x9F) ? SJ0162 : SJ6394); + if (0x9E < c1) c2++; + } + if (c1 < 0x9F) + c1 = c1 - ((c1 > DEL) ? SP : 0x1F); + else { + c1 = c1 - 0x7E; + } } -} -int -std_getc(f) -FILE *f; -{ - return getc(f); +#ifdef X0212_ENABLE + c2 = x0212_unshift(c2); +#endif + if (p2) *p2 = c2; + if (p1) *p1 = c1; + return 0; } -int -std_ungetc(c,f) -int c; -FILE *f; +#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) +static void +nkf_unicode_to_utf8(nkf_char val, int *p1, int *p2, int *p3, int *p4) { - return ungetc(c,f); + val &= VALUE_MASK; + if (val < 0x80){ + *p1 = val; + *p2 = 0; + *p3 = 0; + *p4 = 0; + }else if (val < 0x800){ + *p1 = 0xc0 | (val >> 6); + *p2 = 0x80 | (val & 0x3f); + *p3 = 0; + *p4 = 0; + } else if (nkf_char_unicode_bmp_p(val)) { + *p1 = 0xe0 | (val >> 12); + *p2 = 0x80 | ((val >> 6) & 0x3f); + *p3 = 0x80 | ( val & 0x3f); + *p4 = 0; + } else if (nkf_char_unicode_value_p(val)) { + *p1 = 0xe0 | (val >> 16); + *p2 = 0x80 | ((val >> 12) & 0x3f); + *p3 = 0x80 | ((val >> 6) & 0x3f); + *p4 = 0x80 | ( val & 0x3f); + } else { + *p1 = 0; + *p2 = 0; + *p3 = 0; + *p4 = 0; + } } -void -std_putc(c) -int c; +static nkf_char +nkf_utf8_to_unicode(int c1, int c2, int c3, int c4) { - if(c!=EOF) - putchar(c); + nkf_char wc; + if (c1 <= 0x7F) { + /* single byte */ + wc = c1; + } + else if (c1 <= 0xC3) { + /* trail byte or invalid */ + return -1; + } + else if (c1 <= 0xDF) { + /* 2 bytes */ + wc = (c1 & 0x1F) << 6; + wc |= (c2 & 0x3F); + } + else if (c1 <= 0xEF) { + /* 3 bytes */ + wc = (c1 & 0x0F) << 12; + wc |= (c2 & 0x3F) << 6; + wc |= (c3 & 0x3F); + } + else if (c2 <= 0xF4) { + /* 4 bytes */ + wc = (c1 & 0x0F) << 18; + wc |= (c2 & 0x3F) << 12; + wc |= (c3 & 0x3F) << 6; + wc |= (c4 & 0x3F); + } + else { + return -1; + } + return wc; } +#endif -int -noconvert(f) - FILE *f; +#ifdef UTF8_INPUT_ENABLE +static int +unicode_to_jis_common2(nkf_char c1, nkf_char c0, + const unsigned short *const *pp, nkf_char psize, + nkf_char *p2, nkf_char *p1) { - int c; - - while ((c = (*i_getc)(f)) != EOF) - (*o_putc)(c); - return 1; -} + nkf_char c2; + const unsigned short *p; + unsigned short val; + if (pp == 0) return 1; -void -module_connection() -{ - oconv = output_conv; - o_putc = std_putc; + c1 -= 0x80; + if (c1 < 0 || psize <= c1) return 1; + p = pp[c1]; + if (p == 0) return 1; - /* replace continucation module, from output side */ + 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; - /* output redicrection */ -#ifdef CHECK_OPTION - if (noout_f){ - o_putc = no_putc; + c2 = val >> 8; + if (val > 0x7FFF){ + c2 &= 0x7f; + c2 |= PREFIX_EUCG3; } -#endif - if (mimeout_f) { - o_mputc = o_putc; - o_putc = mime_putc; - if (mimeout_f == TRUE) { - o_base64conv = oconv; oconv = base64_conv; + if (c2 == SO) c2 = JIS_X_0201_1976_K; + c1 = val & 0xFF; + if (p2) *p2 = c2; + if (p1) *p1 = c1; + return 0; +} + +static int +unicode_to_jis_common(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1) +{ + const unsigned short *const *pp; + const unsigned short *const *const *ppp; + static const char 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 char 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 char 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 char 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; + }else if(ms_ucs_map_f == UCS_MAP_CP10001){ + switch(c2){ + case 0xC2: + switch(c1){ + case 0xA2: + case 0xA3: + case 0xA5: + case 0xA6: + case 0xAC: + case 0xAF: + case 0xB8: + return 1; + } + break; + } + } + } + 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 : + ms_ucs_map_f == UCS_MAP_CP10001 ? utf8_to_euc_2bytes_mac : + utf8_to_euc_2bytes; + ret = unicode_to_jis_common2(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 if(ms_ucs_map_f == UCS_MAP_CP10001){ + switch(c2){ + case 0xE3: + switch(c1){ + case 0x82: + if(c0 == 0x94) return 1; + break; + case 0x83: + if(c0 == 0xBB) return 1; + break; + } + 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 : + ms_ucs_map_f == UCS_MAP_CP10001 ? utf8_to_euc_3bytes_mac : + utf8_to_euc_3bytes; + ret = unicode_to_jis_common2(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; } - /* base64_count = 0; */ } +#endif + return ret; +} - 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; +#ifdef UTF8_OUTPUT_ENABLE +static nkf_char +e2w_conv(nkf_char c2, nkf_char c1) +{ + const unsigned short *p; + + if (c2 == JIS_X_0201_1976_K) { + if (ms_ucs_map_f == UCS_MAP_CP10001) { + switch (c1) { + case 0x20: + return 0xA0; + case 0x7D: + return 0xA9; + } + } + 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 0){ + if (p2) *p2 = 0; + if (p1) *p1 = nkf_char_unicode_new(nkf_utf8_to_unicode(c2, c1, c0, 0)); + ret = 0; + } #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 == LATIN1_INPUT) { - set_iconv(-TRUE, e_iconv); - } else if (input_f == SJIS_INPUT) { - set_iconv(-TRUE, s_iconv); + return ret; +} + #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); -#endif - } else { - set_iconv(FALSE, e_iconv); +static nkf_char +w16e_conv(nkf_char val, nkf_char *p2, nkf_char *p1) +{ + int c1, c2, c3, c4; + nkf_char ret = 0; + val &= VALUE_MASK; + if (val < 0x80) { + *p2 = 0; + *p1 = val; } - - { - struct input_code *p = input_code_list; - while (p->name){ - status_reset(p++); - } + else if (nkf_char_unicode_bmp_p(val)){ + nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4); + ret = unicode_to_jis_common(c1, c2, c3, p2, p1); + if (ret > 0){ + *p2 = 0; + *p1 = nkf_char_unicode_new(val); + ret = 0; + } + } + else { + *p2 = 0; + *p1 = nkf_char_unicode_new(val); } + return ret; } +#endif -/* - Conversion main loop. Code detection only. - */ - -int -kanji_convert(f) - FILE *f; +static nkf_char +e_iconv(nkf_char c2, nkf_char c1, nkf_char c0) { - int c1, - c2; - - module_connection(); - c2 = 0; - - - 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 */ - - while ((c1 = (*i_getc)(f)) != EOF) { - code_status(c1); - if (c2) { - /* second byte */ - if (c2 > DEL) { - /* in case of 8th bit is on */ - if (!estab_f) { - /* 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 */ - 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 */ - if ( -#ifdef UTF8_INPUT_ENABLE - iconv == w_iconv16 -#else - 0 -#endif - ) { - c2 = c1; - c1 = (*i_getc)(f); - SEND; - } else if (c1 > 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) { - /* 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) { - shift_mode = FALSE; - NEXT; - } else if (c1 == SO) { - shift_mode = TRUE; - NEXT; - } else if (c1 == ESC ) { - 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; - NEXT; - } else if (c1 == '(') { - if ((c1 = (*i_getc)(f)) == EOF) { - /* don't send bogus code - (*oconv)(0, ESC); - (*oconv)(0, '$'); - (*oconv)(0, '('); - */ - LAST; - } else if (c1 == '@'|| c1 == 'B') { - /* This is kanji introduction */ - input_mode = X0208; - shift_mode = FALSE; - NEXT; - } else { - /* could be some special code */ - (*oconv)(0, ESC); - (*oconv)(0, '$'); - (*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 */ - c1 = (*i_getc)(f); /* skip SS2 */ - if ( SPACE<=c1 && c1 < 0xe0 ) { - c2 = X0201; - SEND; - } - } 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 - SEND; - } - /* send: */ - if (input_mode == X0208) - (*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */ - else if (input_mode) - (*oconv)(input_mode, c1); /* other special case */ - else if ((*iconv)(c2, c1, 0) < 0){ /* can be EUC/SJIS */ - int c0 = (*i_getc)(f); - if (c0 != EOF){ - code_status(c0); - (*iconv)(c2, c1, c0); - } - } - - c2 = 0; - continue; - /* goto next_word */ - } - - /* epilogue */ - (*iconv)(EOF, 0, 0); - return 1; -} - -int -h_conv(f, c2, c1) - FILE *f; - int c1, - c2; -{ - int wc,c3; - - - /** 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); - c2 = 0; - - 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; - while (p->name){ - if (p->score < result->score){ - result = p; - } - ++p; - } - set_iconv(FALSE, p->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. - **/ - - wc = 0; - while (wc < hold_count){ - c2 = hold_buf[wc++]; - if (c2 <= DEL){ - (*iconv)(0, c2, 0); - continue; - }else if (iconv == s_iconv && 0xa1 <= c2 && c2 <= 0xdf){ - (*iconv)(X0201, c2, 0); - continue; - } - if (wc < hold_count){ - c1 = hold_buf[wc++]; - }else{ - c1 = (*i_getc)(f); - if (c1 == EOF) break; - code_status(c1); - } - if ((*iconv)(c2, c1, 0) < 0){ - int c0; - if (wc < hold_count){ - c0 = hold_buf[wc++]; - }else{ - c0 = (*i_getc)(f); - if (c0 == EOF) break; - code_status(c0); - } - (*iconv)(c2, c1, c0); - c1 = c0; - } - } - c3=c1; - return c3; -} - - - -int -push_hold_buf(c2) - int c2; -{ - if (hold_count >= HOLD_SIZE*2) - return (EOF); - hold_buf[hold_count++] = c2; - return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count); -} - -int s2e_conv(c2, c1, p2, p1) - int c2, c1; - int *p2, *p1; -{ - c2 = c2 + c2 - ((c2 <= 0x9f) ? SJ0162 : SJ6394); - if (c1 < 0x9f) - c1 = c1 - ((c1 > DEL) ? SPACE : 0x1f); - else { - c1 = c1 - 0x7e; - c2++; - } - if (p2) *p2 = c2; - if (p1) *p1 = c1; - return (c2 << 8) | c1; -} - -int -s_iconv(c2, c1, c0) - int c2, - c1, c0; -{ - if (c2 == X0201) { - c1 &= 0x7f; - } else if ((c2 == EOF) || (c2 == 0) || c2 < SPACE) { - /* NOP */ + if (c2 == JIS_X_0201_1976_K || c2 == SS2){ + if (iso2022jp_f && !x0201_f) { + c2 = GETA1; c1 = GETA2; + } else { + c2 = JIS_X_0201_1976_K; + 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 = nkf_char_unicode_new((c1 - 0xF5) * 94 + c0 - 0xA1 + 0xE3AC); + 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 == EOF) || (c2 == 0) || c2 < SP || c2 == ISO_8859_1) { + /* NOP */ } else { - s2e_conv(c2, c1, &c2, &c1); + 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 = nkf_char_unicode_new((c2 - 0xF5) * 94 + c1 - 0xA1 + 0xE000); + 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; } -int -e_iconv(c2, c1, c0) - int c2, - c1, c0; -{ - if (c2 == X0201) { - c1 &= 0x7f; - } else if ((c2 == EOF) || (c2 == 0) || c2 < SPACE) { - /* NOP */ +static nkf_char +s_iconv(nkf_char c2, nkf_char c1, nkf_char c0) +{ + if (c2 == JIS_X_0201_1976_K || (0xA1 <= c2 && c2 <= 0xDF)) { + if (iso2022jp_f && !x0201_f) { + c2 = GETA1; c1 = GETA2; + } else { + c1 &= 0x7f; + } + } else if ((c2 == EOF) || (c2 == 0) || c2 < SP) { + /* NOP */ + } else if (!x0213_f && 0xF0 <= c2 && c2 <= 0xF9 && 0x40 <= c1 && c1 <= 0xFC) { + /* CP932 UDC */ + if(c1 == 0x7F) return 0; + c1 = nkf_char_unicode_new((c2 - 0xF0) * 188 + (c1 - 0x40 - (0x7E < c1)) + 0xE000); + c2 = 0; } else { - c1 &= 0x7f; - c2 &= 0x7f; + nkf_char ret = s2e_conv(c2, c1, &c2, &c1); + if (ret) return ret; } (*oconv)(c2, c1); return 0; } -#ifdef UTF8_INPUT_ENABLE -int -w2e_conv(c2, c1, c0, p2, p1) - int c2, c1, c0; - int *p2, *p1; -{ - extern unsigned short * utf8_to_euc_2bytes[]; - extern unsigned short ** utf8_to_euc_3bytes[]; - - if (0xc0 <= c2 && c2 <= 0xef) { - unsigned short **pp; - - if (0xe0 <= c2) { - if (c0 == 0) return -1; - pp = utf8_to_euc_3bytes[c2 - 0x80]; - return w_iconv_common(c1, c0, pp, sizeof_utf8_to_euc_C2, p2, p1); - } else { - return w_iconv_common(c2, c1, utf8_to_euc_2bytes, sizeof_utf8_to_euc_2bytes, p2, p1); - } - } else if (c2 == X0201) { - c1 &= 0x7f; +static nkf_char +w_iconv(nkf_char c1, nkf_char c2, nkf_char c3) +{ + nkf_char ret = 0, c4 = 0; + static const char 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 (c3 > 0xFF) { + c4 = c3 & 0xFF; + c3 >>= 8; } - if (p2) *p2 = c2; - if (p1) *p1 = c1; - return 0; -} -int -w_iconv(c2, c1, c0) - int c2, - c1, c0; -{ - int ret = w2e_conv(c2, c1, c0, &c2, &c1); + if (c1 < 0 || 0xff < c1) { + }else if (c1 == 0) { /* 0 : 1 byte*/ + c3 = 0; + } else if ((c1 & 0xC0) == 0x80) { /* 0x80-0xbf : trail byte */ + return 0; + } else{ + switch (w_iconv_utf8_1st_byte[c1 - 0xC0]) { + case 21: + if (c2 < 0x80 || 0xBF < c2) return 0; + break; + case 30: + if (c3 == 0) return -1; + if (c2 < 0xA0 || 0xBF < c2 || (c3 & 0xC0) != 0x80) + return 0; + break; + case 31: + case 33: + if (c3 == 0) return -1; + if ((c2 & 0xC0) != 0x80 || (c3 & 0xC0) != 0x80) + return 0; + break; + case 32: + if (c3 == 0) return -1; + if (c2 < 0x80 || 0x9F < c2 || (c3 & 0xC0) != 0x80) + return 0; + break; + case 40: + if (c3 == 0) return -2; + if (c2 < 0x90 || 0xBF < c2 || (c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80) + return 0; + break; + case 41: + if (c3 == 0) return -2; + if (c2 < 0x80 || 0xBF < c2 || (c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80) + return 0; + break; + case 42: + if (c3 == 0) return -2; + if (c2 < 0x80 || 0x8F < c2 || (c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80) + return 0; + break; + default: + return 0; + break; + } + } + if (c1 == 0 || c1 == EOF){ + } else if ((c1 & 0xf8) == 0xf0) { /* 4 bytes */ + c2 = nkf_char_unicode_new(nkf_utf8_to_unicode(c1, c2, c3, c4)); + c1 = 0; + } else { + ret = w2e_conv(c1, c2, c3, &c1, &c2); + } if (ret == 0){ - (*oconv)(c2, c1); + (*oconv)(c1, c2); } return ret; } -int -w_iconv16(c2, c1, c0) - int c2, c1,c0; +#define NKF_ICONV_INVALID_CODE_RANGE -13 +static size_t +unicode_iconv(nkf_char wc) { - extern unsigned short * utf8_to_euc_2bytes[]; - extern unsigned short ** utf8_to_euc_3bytes[]; - unsigned short **pp; - unsigned short val; - int psize; - int ret; - - if (c2==0376 && c1==0377){ - utf16_mode = UTF16_INPUT; - return 0; - } else if (c2==0377 && c1==0376){ - utf16_mode = UTF16BE_INPUT; - return 0; - } - if (utf16_mode == UTF16BE_INPUT) { - int tmp; - tmp=c1; c1=c2; c2=tmp; - } - if (c2==0 || c2==EOF) { - (*oconv)(c2, c1); - return 0; - } - val = ((c2<<8)&0xff00) + c1; - if (c2 < 0x8){ - c0 = (0x80 | (c1 & 0x3f)); - c1 = (0xc0 | (val >> 6)); - pp = utf8_to_euc_2bytes; - psize = sizeof_utf8_to_euc_2bytes; - }else{ - c0 = (0x80 | (c1 & 0x3f)); - c2 = (0xe0 | (val >> 12)); - c1 = (0x80 | ((val >> 6) & 0x3f)); - if (c0 == 0) return -1; - if (0<=c2-0x80 && c2-0x80 >11) == 27) { + /* unpaired surrogate */ + return NKF_ICONV_INVALID_CODE_RANGE; + }else if (wc < 0xFFFF) { + ret = w16e_conv(wc, &c2, &c1); + if (ret) return ret; + }else if (wc < 0x10FFFF) { + c2 = 0; + c1 = nkf_char_unicode_new(wc); + } else { + return NKF_ICONV_INVALID_CODE_RANGE; } - ret = w_iconv_common(c1, c0, pp, psize, &c2, &c1); - if (ret) return ret; (*oconv)(c2, c1); return 0; } -int -w_iconv_common(c1, c0, pp, psize, p2, p1) - int c1,c0; - unsigned short **pp; - int psize; - int *p2, *p1; +#define NKF_ICONV_NEED_ONE_MORE_BYTE -1 +#define NKF_ICONV_NEED_TWO_MORE_BYTES -2 +#define UTF16_TO_UTF32(lead, trail) (((lead) << 10) + (trail) - NKF_INT32_C(0x35FDC00)) +static size_t +nkf_iconv_utf_16(int c1, int c2, int c3, int c4) { - int c2; - unsigned short *p ; - unsigned short val; + nkf_char wc; - if (pp == 0) return 1; + if (c1 == EOF) { + (*oconv)(EOF, 0); + return 0; + } - c1 -= 0x80; - if (c1 < 0 || psize <= c1) return 1; - p = pp[c1]; - if (p == 0) return 1; + if (input_endian == ENDIAN_BIG) { + if (0xD8 <= c1 && c1 <= 0xDB) { + if (0xDC <= c3 && c3 <= 0xDF) { + wc = UTF16_TO_UTF32(c1 << 8 | c2, c3 << 8 | c4); + } else return NKF_ICONV_NEED_TWO_MORE_BYTES; + } else { + wc = c1 << 8 | c2; + } + } else { + if (0xD8 <= c2 && c2 <= 0xDB) { + if (0xDC <= c4 && c4 <= 0xDF) { + wc = UTF16_TO_UTF32(c2 << 8 | c1, c4 << 8 | c3); + } else return NKF_ICONV_NEED_TWO_MORE_BYTES; + } else { + wc = c2 << 8 | c1; + } + } - c0 -= 0x80; - if (c0 < 0 || sizeof_utf8_to_euc_E5B8 <= c0) return 1; - val = p[c0]; - if (val == 0) return 1; + return (*unicode_iconv)(wc); +} - c2 = val >> 8; - if (c2 == SO) c2 = X0201; - c1 = val & 0x7f; - if (p2) *p2 = c2; - if (p1) *p1 = c1; +static nkf_char +w_iconv16(nkf_char c2, nkf_char c1, nkf_char c0) +{ return 0; } -#endif +static nkf_char +w_iconv32(nkf_char c2, nkf_char c1, nkf_char c0) +{ + return 0; +} -#ifdef UTF8_OUTPUT_ENABLE -int -e2w_conv(c2, c1) - int c2, c1; +static size_t +nkf_iconv_utf_32(int c1, int c2, int c3, int c4) { - extern unsigned short euc_to_utf8_1byte[]; - extern unsigned short * euc_to_utf8_2bytes[]; - unsigned short *p; + nkf_char wc; - if (c2 == X0201) { - p = euc_to_utf8_1byte; - } else { - c2 &= 0x7f; - c2 = (c2&0x7f) - 0x21; - if (0<=c2 && c2> 6)); - (*o_putc)(0x80 | (val & 0x3f)); - }else{ - (*o_putc)(0xe0 | (val >> 12)); - (*o_putc)(0x80 | ((val >> 6) & 0x3f)); - (*o_putc)(0x80 | (val & 0x3f)); - } + if (output_mode == mode) + return; + switch(mode) { + case ISO_8859_1: + (*o_putc)(ESC); + (*o_putc)('.'); + (*o_putc)('A'); + break; + case JIS_X_0201_1976_K: + (*o_putc)(ESC); + (*o_putc)('('); + (*o_putc)('I'); + break; + case JIS_X_0208: + (*o_putc)(ESC); + (*o_putc)('$'); + (*o_putc)(kanji_intro); + break; + case JIS_X_0212: + (*o_putc)(ESC); + (*o_putc)('$'); + (*o_putc)('('); + (*o_putc)('D'); + break; + case JIS_X_0213_1: + (*o_putc)(ESC); + (*o_putc)('$'); + (*o_putc)('('); + (*o_putc)('Q'); + break; + case JIS_X_0213_2: + (*o_putc)(ESC); + (*o_putc)('$'); + (*o_putc)('('); + (*o_putc)('P'); + break; } + output_mode = mode; } -void -w_oconv16(c2, c1) - int c2, - c1; +static void +j_oconv(nkf_char c2, nkf_char c1) { - - if (w_oconv16_begin_f==2) { - (*o_putc)('\376'); - (*o_putc)('\377'); - w_oconv16_begin_f=1; +#ifdef NUMCHAR_OPTION + if (c2 == 0 && nkf_char_unicode_p(c1)){ + w16e_conv(c1, &c2, &c1); + if (c2 == 0 && nkf_char_unicode_p(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; + } + } } - if (c2 == EOF) { - (*o_putc)(EOF); - return; - } else if (c2 == 0) { - (*o_putc)(0); - (*o_putc)(c1); - } else if (c2 == ISO8859_1) { - (*o_putc)(0); - (*o_putc)(c1 | 0x080); +#endif + if (c2 == 0) { + output_ascii_escape_sequence(ASCII); + (*o_putc)(c1); + } + else if (c2 == EOF) { + output_ascii_escape_sequence(ASCII); + (*o_putc)(EOF); + } + else if (c2 == ISO_8859_1) { + output_ascii_escape_sequence(ISO_8859_1); + (*o_putc)(c1|0x80); + } + else if (c2 == JIS_X_0201_1976_K) { + output_escape_sequence(JIS_X_0201_1976_K); + (*o_putc)(c1); +#ifdef X0212_ENABLE + } else if (is_eucg3(c2)){ + output_escape_sequence(x0213_f ? JIS_X_0213_2 : JIS_X_0212); + (*o_putc)(c2 & 0x7f); + (*o_putc)(c1); +#endif } else { - unsigned short val = (unsigned short)e2w_conv(c2, c1); - (*o_putc)((val&0xff00)>>8); - (*o_putc)(val&0xff); + if(ms_ucs_map_f + ? c2<0x20 || 0x92 0x3e); + (*o_putc)(c2); + (*o_putc)(c1); + return; + } else { + if(encode_fallback)(*encode_fallback)(c1); + return; + } + } + } +#endif if (c2 == EOF) { - (*o_putc)(EOF); - return; + (*o_putc)(EOF); + return; } else if (c2 == 0) { output_mode = ASCII; - (*o_putc)(c1); - } else if (c2 == X0201) { + (*o_putc)(c1); + } else if (c2 == JIS_X_0201_1976_K) { + output_mode = SHIFT_JIS; + (*o_putc)(c1|0x80); + } else if (c2 == ISO_8859_1) { + output_mode = ISO_8859_1; + (*o_putc)(c1 | 0x080); +#ifdef X0212_ENABLE + } else if (is_eucg3(c2)){ output_mode = SHIFT_JIS; - (*o_putc)(c1|0x80); - } else if (c2 == ISO8859_1) { - output_mode = ISO8859_1; - (*o_putc)(c1 | 0x080); + if (e2s_conv(c2, c1, &c2, &c1) == 0){ + (*o_putc)(c2); + (*o_putc)(c1); + } +#endif } else { - if ((c1<0x20 || 0x7e> 1) + ((c2 <= 0x5e) ? 0x71 : 0xb1))); - (*o_putc)((c1 + ((c2 & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e))); + e2s_conv(c2, c1, &c2, &c1); + +#ifdef SHIFTJIS_CP932 + if (cp932inv_f + && CP932INV_TABLE_BEGIN <= c2 && c2 <= CP932INV_TABLE_END){ + 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(c2, c1) - int c2, - c1; +#ifdef UTF8_OUTPUT_ENABLE +static void +w_oconv(nkf_char c2, nkf_char c1) { + int c3, c4; + nkf_char val; + + if (output_bom_f) { + output_bom_f = FALSE; + (*o_putc)('\357'); + (*o_putc)('\273'); + (*o_putc)('\277'); + } + 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); - } 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); + (*o_putc)(EOF); + return; + } + + if (c2 == 0 && nkf_char_unicode_p(c1)){ + val = c1 & VALUE_MASK; + nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4); + (*o_putc)(c1); + if (c2) (*o_putc)(c2); + if (c3) (*o_putc)(c3); + if (c4) (*o_putc)(c4); + return; + } + + if (c2 == 0) { + (*o_putc)(c1); } else { - if (output_mode != X0208) { - output_mode = X0208; - (*o_putc)(ESC); - (*o_putc)('$'); - (*o_putc)(kanji_intro); - } - if (c1<0x20 || 0x7e50 && !mimeout_mode && c2==0 && c1==SPACE) { - (*o_putc)(NL); - } else if (base64_count>66 && mimeout_mode) { - (*o_base64conv)(EOF,0); - (*o_putc)(NL); - (*o_putc)('\t'); base64_count += 7; + val = e2w_conv(c2, c1); + if (val){ + nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4); + (*o_putc)(c1); + if (c2) (*o_putc)(c2); + if (c3) (*o_putc)(c3); + if (c4) (*o_putc)(c4); + } } - (*o_base64conv)(c2,c1); } - -static int broken_buf[3]; -static int broken_counter = 0; -static int broken_last = 0; -int -broken_getc(f) -FILE *f; +static void +w_oconv16(nkf_char c2, nkf_char c1) { - int c,c1; + if (output_bom_f) { + output_bom_f = FALSE; + if (output_endian == ENDIAN_LITTLE){ + (*o_putc)(0xFF); + (*o_putc)(0xFE); + }else{ + (*o_putc)(0xFE); + (*o_putc)(0xFF); + } + } - if (broken_counter>0) { - return broken_buf[--broken_counter]; + if (c2 == EOF) { + (*o_putc)(EOF); + return; } - 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; + + if (c2 == 0 && nkf_char_unicode_p(c1)) { + if (nkf_char_unicode_bmp_p(c1)) { + c2 = (c1 >> 8) & 0xff; + c1 &= 0xff; } else { - (*i_bungetc)(c1,f); - return c; + 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; } - } else { - broken_last = c; - return c; + } else if (c2) { + nkf_char val = e2w_conv(c2, c1); + c2 = (val >> 8) & 0xff; + c1 = val & 0xff; + if (!val) return; } -} -int -broken_ungetc(c,f) -int c; -FILE *f; -{ - if (broken_counter<2) - broken_buf[broken_counter++]=c; - return c; + if (output_endian == ENDIAN_LITTLE){ + (*o_putc)(c1); + (*o_putc)(c2); + }else{ + (*o_putc)(c2); + (*o_putc)(c1); + } } -static int prev_cr = 0; - -void -cr_conv(c2,c1) -int c2,c1; +static void +w_oconv32(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); + if (output_bom_f) { + output_bom_f = FALSE; + if (output_endian == ENDIAN_LITTLE){ + (*o_putc)(0xFF); + (*o_putc)(0xFE); + (*o_putc)(0); + (*o_putc)(0); + }else{ + (*o_putc)(0); + (*o_putc)(0); + (*o_putc)(0xFE); + (*o_putc)(0xFF); + } } -} -/* - 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 + if (c2 == EOF) { + (*o_putc)(EOF); + return; + } - 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(c2,c1) -int c2,c1; -{ - int prev0; - int fold_state=0; - - 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'; - if (f_line==0) - fold_state = 1; - 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 kinsou 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 */ - } - } - } + if (c2 == ISO_8859_1) { + c1 |= 0x80; + } else if (c2 == 0 && nkf_char_unicode_p(c1)) { + c1 &= VALUE_MASK; + } else if (c2) { + c1 = e2w_conv(c2, c1); + if (!c1) return; } - /* 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); + if (output_endian == ENDIAN_LITTLE){ + (*o_putc)( c1 & 0xFF); + (*o_putc)((c1 >> 8) & 0xFF); + (*o_putc)((c1 >> 16) & 0xFF); + (*o_putc)(0); + }else{ + (*o_putc)(0); + (*o_putc)((c1 >> 16) & 0xFF); + (*o_putc)((c1 >> 8) & 0xFF); + (*o_putc)( c1 & 0xFF); } } +#endif -int z_prev2=0,z_prev1=0; - -void -z_conv(c2,c1) -int c2,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 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 */ +#define SCORE_CP932 (SCORE_DEPEND << 1) /* CP932 による読み換え (IBM extended characters) */ +#define SCORE_X0212 (SCORE_CP932 << 1) /* JIS X 0212 */ +#define SCORE_NO_EXIST (SCORE_X0212 << 1) /* 存在しない文字 */ +#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) -#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) \ -) +static const 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, +}; -#define rot47(c) ( \ - ( c < '!' ) ? c: \ - ( c <= 'O' ) ? (c + 47) : \ - ( c <= '~' ) ? (c - 47) : \ - c \ -) +static const 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_CP932, SCORE_CP932, + SCORE_CP932, SCORE_NO_EXIST, SCORE_NO_EXIST, SCORE_ERROR, +}; -void -rot_conv(c2,c1) -int c2,c1; +static void +set_code_score(struct input_code *ptr, nkf_char score) { - if (c2==0 || c2==X0201 || c2==ISO8859_1) { - c1 = rot13(c1); - } else if (c2) { - c1 = rot47(c1); - c2 = rot47(c2); + if (ptr){ + ptr->score |= score; } - (*o_rot_conv)(c2,c1); } -void -hira_conv(c2,c1) -int c2,c1; +static void +clr_code_score(struct input_code *ptr, nkf_char score) { - if ((hira_f & 1) && c2==0x25 && 0x20= 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; - } + if (ptr){ + ptr->score &= ~score; } - (*o_iso2022jp_check_conv)(c2,c1); } - -/* This converts =?ISO-2022-JP?B?HOGE HOGE?= */ - -unsigned char *mime_pattern[] = { - (unsigned char *)"\075?EUC-JP?B?", - (unsigned char *)"\075?SHIFT_JIS?B?", - (unsigned char *)"\075?ISO-8859-1?Q?", - (unsigned char *)"\075?ISO-2022-JP?B?", - (unsigned char *)"\075?ISO-2022-JP?Q?", -#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) - (unsigned char *)"\075?UTF-8?B?", -#endif - NULL -}; - -int mime_encode[] = { - JAPANESE_EUC, SHIFT_JIS,ISO8859_1, X0208, X0201, -#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) - UTF8, +static void +code_score(struct input_code *ptr) +{ + nkf_char c2 = ptr->buf[0]; +#ifdef UTF8_OUTPUT_ENABLE + nkf_char c1 = ptr->buf[1]; #endif - 0 -}; - -int mime_encode_method[] = { - 'B', 'B','Q', 'B', 'Q', -#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) - 'B', + if (c2 < 0){ + set_code_score(ptr, SCORE_ERROR); + }else if (c2 == SS2){ + set_code_score(ptr, SCORE_KANA); + }else if (c2 == 0x8f){ + set_code_score(ptr, SCORE_X0212); +#ifdef UTF8_OUTPUT_ENABLE + }else if (!e2w_conv(c2, c1)){ + set_code_score(ptr, SCORE_NO_EXIST); #endif - 0 -}; - - -#define MAXRECOVER 20 - -/* I don't trust portablity of toupper */ -#define nkf_toupper(c) (('a'<=c && c<='z')?(c-('a'-'A')):c) -#define nkf_isdigit(c) ('0'<=c && c<='9') -#define nkf_isxdigit(c) (nkf_isdigit(c) || ('a'<=c && c<='f') || ('A'<=c && c <= 'F')) - -void -switch_mime_getc() -{ - 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; - } + }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 -unswitch_mime_getc() +static void +status_disable(struct input_code *ptr) { - if(mime_f==STRICT_MIME) { - i_mgetc = i_mgetc_buf; - i_mungetc = i_mungetc_buf; - } - i_getc = i_mgetc; - i_ungetc = i_mungetc; + ptr->stat = -1; + ptr->buf[0] = -1; + code_score(ptr); + if (iconv == ptr->iconv_func) set_iconv(FALSE, 0); } -int -mime_begin_strict(f) -FILE *f; +static void +status_push_ch(struct input_code *ptr, nkf_char c) { - int c1 = 0; - int i,j,k; - unsigned char *p,*q; - int r[MAXRECOVER]; /* recovery buffer, max mime pattern lenght */ - - 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 ((p = mime_pattern[++j])) { - for(k=2;k i */ - if (p[k]!=q[k]) break; - if (k==i && nkf_toupper(c1)==p[k]) break; - } - if (p) continue; /* found next one, continue */ - /* all fails, output from recovery buffer */ - (*i_ungetc)(c1,f); - for(j=0;jbuf[ptr->index++] = c; } -int -mime_getc_buf(f) -FILE *f; +static void +status_clear(struct input_code *ptr) { - /* we don't keep eof of Fifo, becase it contains ?= as - a terminator. It was checked in mime_integrity. */ - return ((mimebuf_f)? - (*i_mgetc_buf)(f):Fifo(mime_input++)); + ptr->stat = 0; + ptr->index = 0; } -int -mime_ungetc_buf(c,f) -FILE *f; -int c; +static void +status_reset(struct input_code *ptr) { - if (mimebuf_f) - (*i_mungetc_buf)(c,f); - else - Fifo(--mime_input)=c; - return c; + status_clear(ptr); + ptr->score = SCORE_INIT; } -int -mime_begin(f) -FILE *f; +static void +status_reinit(struct input_code *ptr) { - int c1; - int i,k; - - /* In NONSTRICT mode, only =? is checked. In case of failure, we */ - /* re-read and convert again from mime_buffer. */ + status_reset(ptr); + ptr->_file_stat = 0; +} - /* =? has been checked */ - k = mime_last; - Fifo(mime_last++)='='; Fifo(mime_last++)='?'; - for(i=2;istat){ + case -1: + status_check(ptr, c); + break; + case 0: + if (c <= DEL){ + break; + }else if (nkf_char_unicode_p(c)){ + break; + }else if (0xa1 <= c && c <= 0xdf){ + status_push_ch(ptr, SS2); + status_push_ch(ptr, c); + code_score(ptr); + status_clear(ptr); + }else if ((0x81 <= c && c < 0xa0) || (0xe0 <= c && c <= 0xea)){ + ptr->stat = 1; + status_push_ch(ptr, c); + }else if (0xed <= c && c <= 0xee){ + ptr->stat = 3; + status_push_ch(ptr, c); +#ifdef SHIFTJIS_CP932 + }else if (is_ibmext_in_sjis(c)){ + ptr->stat = 2; + status_push_ch(ptr, c); +#endif /* SHIFTJIS_CP932 */ +#ifdef X0212_ENABLE + }else if (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 */ + status_disable(ptr); + break; + case 3: + 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]); + set_code_score(ptr, SCORE_CP932); + status_clear(ptr); + }else{ + status_disable(ptr); + } + break; + } } -void debug(str) - char *str; +static void +e_status(struct input_code *ptr, nkf_char c) { - if (debug_f){ - fputs(str, stderr); + switch (ptr->stat){ + case -1: + status_check(ptr, c); + break; + case 0: + if (c <= DEL){ + break; + }else if (nkf_char_unicode_p(c)){ + break; + }else if (SS2 == 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 */ } } -#endif -#ifdef CAP_URL_OPTION -int -hex2bin(x) - int x; +#ifdef UTF8_INPUT_ENABLE +static void +w_status(struct input_code *ptr, nkf_char c) { - if (nkf_isdigit(x)) return x - '0'; - return nkf_toupper(x) - 'A' + 10; + switch (ptr->stat){ + case -1: + status_check(ptr, c); + break; + case 0: + if (c <= DEL){ + break; + }else if (nkf_char_unicode_p(c)){ + break; + }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; + } } - -#ifdef ANSI_C_PROTOTYPE -int hex_getc(int ch, FILE *f, int (*g)(FILE *f), int (*u)(int c, FILE *f)) -#else -int -hex_getc(ch, f, g, u) - int ch; - FILE *f; - int (*g)(); - int (*u)(); #endif + +static void +code_status(nkf_char c) { - int c1, c2, c3; - c1 = (*g)(f); - if (c1 != ch){ - return c1; - } - c2 = (*g)(f); - if (!nkf_isxdigit(c2) == EOF){ - (*u)(c2, f); - return c1; + 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; } - c3 = (*g)(f); - if (!nkf_isxdigit(c3) == EOF){ - (*u)(c2, f); - (*u)(c3, f); - return c1; + + 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; + } + } } - return (hex2bin(c2) << 4) | hex2bin(c3); } -int -cap_getc(f) - FILE *f; +#ifndef WIN32DLL +static nkf_char +std_getc(FILE *f) { - return hex_getc(':', f, i_cgetc, i_cungetc); + if (std_gc_ndx){ + return std_gc_buf[--std_gc_ndx]; + } + return getc(f); } +#endif /*WIN32DLL*/ -int -cap_ungetc(c, f) - int c; - FILE *f; +static nkf_char +std_ungetc(nkf_char c, FILE *f) { - return (*i_cungetc)(c, f); + if (std_gc_ndx == STD_GC_BUFSIZE){ + return EOF; + } + std_gc_buf[std_gc_ndx++] = c; + return c; } -int -url_getc(f) - FILE *f; +#ifndef WIN32DLL +static void +std_putc(nkf_char c) { - return hex_getc('%', f, i_ugetc, i_uungetc); + if(c!=EOF) + putchar(c); } +#endif /*WIN32DLL*/ -int -url_ungetc(c, f) - int c; - FILE *f; +static unsigned char hold_buf[HOLD_SIZE*2]; +static int hold_count = 0; +static nkf_char +push_hold_buf(nkf_char c2) { - return (*i_uungetc)(c, f); + if (hold_count >= HOLD_SIZE*2) + return (EOF); + hold_buf[hold_count++] = (unsigned char)c2; + return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count); } -#endif - -int -mime_getc(f) -FILE *f; +static int +h_conv(FILE *f, int c1, int c2) { - int c1, c2, c3, c4, cc; - int t1, t2, t3, t4, mode, exit_mode; + int ret, c4, c3; + int hold_index; - 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); + + /** 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(c1); + push_hold_buf(c2); + + while ((c2 = (*i_getc)(f)) != EOF) { + if (c2 == ESC){ + (*i_ungetc)(c2,f); + break; + } + code_status(c2); + if (push_hold_buf(c2) == EOF || estab_f) { + break; + } } - 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=='_') return ' '; - if (c1!='=' && c1!='?') { - return c1; + if (!estab_f) { + struct input_code *p = input_code_list; + struct input_code *result = p; + if (c2 == EOF) { + code_status(c2); } - - mime_decode_mode = exit_mode; /* prepare for quit */ - if (c1<=' ') return c1; - if ((c2 = (*i_mgetc)(f)) == EOF) return (EOF); - if (c1=='?'&&c2=='=' && mimebuf_f != FIXED_MIME) { - /* end Q encoding */ - input_mode = exit_mode; - while((c1=(*i_getc)(f))!=EOF && c1==SPACE - /* && (c1==NL||c1==TAB||c1=='\r') */ ) ; - return c1; - } - if (c1=='='&&c2<' ') { /* this is soft wrap */ - while((c1 = (*i_mgetc)(f)) <=' ') { - if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF); + while (p->name) { + if (p->status_func && p->score < result->score) { + result = p; } - mime_decode_mode = 'Q'; /* still in MIME */ - goto restart_mime_q; + p++; } - 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 */ -#define hex(c) (('0'<=c&&c<='9')?(c-'0'):\ - ('A'<=c&&c<='F')?(c-'A'+10):('a'<=c&&c<='f')?(c-'a'+10):0) - return ((hex(c2)<<4) + hex(c3)); + set_iconv(TRUE, result->iconv_func); } - if (mime_decode_mode != 'B') { - mime_decode_mode = FALSE; - return (*i_mgetc)(f); - } + /** 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. + **/ - /* 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; - while((c1=(*i_getc)(f))!=EOF && c1==SPACE - /* && (c1==NL||c1==TAB||c1=='\r') */ ) ; - 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; + ret = c2; + hold_index = 0; + while (hold_index < hold_count){ + c1 = hold_buf[hold_index++]; + if (c1 <= DEL){ + (*iconv)(0, c1, 0); + continue; + }else if (iconv == s_iconv && 0xa1 <= c1 && c1 <= 0xdf){ + (*iconv)(JIS_X_0201_1976_K, c1, 0); + continue; + } + if (hold_index < hold_count){ + c2 = hold_buf[hold_index++]; + }else{ + c2 = (*i_getc)(f); + if (c2 == EOF){ + c4 = EOF; + break; + } + code_status(c2); + } + c3 = 0; + switch ((*iconv)(c1, c2, 0)) { /* can be EUC/SJIS/UTF-8 */ + case -2: + /* 4 bytes UTF-8 */ + if (hold_index < hold_count){ + c3 = hold_buf[hold_index++]; + } else if ((c3 = (*i_getc)(f)) == EOF) { + ret = EOF; + break; + } else { + code_status(c3); + if (hold_index < hold_count){ + c4 = hold_buf[hold_index++]; + } else if ((c4 = (*i_getc)(f)) == EOF) { + c3 = ret = EOF; + break; + } else { + code_status(c4); + (*iconv)(c1, c2, (c3<<8)|c4); + } + } + break; + case -1: + /* 3 bytes EUC or UTF-8 */ + if (hold_index < hold_count){ + c3 = hold_buf[hold_index++]; + } else if ((c3 = (*i_getc)(f)) == EOF) { + ret = EOF; + break; + } else { + code_status(c3); + } + (*iconv)(c1, c2, c3); + break; + } + if (c3 == EOF) break; } + return ret; +} - mime_decode_mode = mode; /* still in MIME sigh... */ +/* + * Check and Ignore BOM + */ +static 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_encoding){ + 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_encoding){ + 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_encoding){ + 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_encoding){ + 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_encoding){ + 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_encoding){ + 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_encoding){ + 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; + } +} - /* BASE 64 decoding */ +static struct { + int count; + nkf_char status; + nkf_char buf[3]; +} broken_state; - 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++) = cc; - cc = ((t2 << 4) & 0x0f0) | ((t3 >> 2) & 0x0f); - if (c3 != '=') { - Fifo(mime_last++) = cc; - cc = ((t3 << 6) & 0x0c0) | (t4 & 0x3f); - if (c4 != '=') - Fifo(mime_last++) = cc; - } - } else { - return c1; - } - return Fifo(mime_top++); +static void +init_broken_state(void) +{ + memset(&broken_state, 0, sizeof(broken_state)); } -int -mime_ungetc(c,f) -int c; -FILE *f; +static void +push_broken_buf(c) { - Fifo(--mime_top) = c; - return c; + broken_state.buf[broken_state.count++] = c; } -int -mime_integrity(f,p) -FILE *f; -unsigned char *p; +static nkf_char +pop_broken_buf(void) { - int 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++) = 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++) = c; - d=c; - } - /* In case of Incomplete MIME, no MIME decode */ - Fifo(mime_input++) = 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; + return broken_state.buf[--broken_state.count]; } -int -base64decode(c) - int c; +static nkf_char +broken_getc(FILE *f) { - int i; - if (c > '@') { - if (c < '[') { - i = c - 'A'; /* A..Z 0-25 */ - } else { - i = c - 'G' /* - 'a' + 26 */ ; /* a..z 26-51 */ + nkf_char c, c1; + + if (broken_state.count > 0) { + return pop_broken_buf(); + } + c = (*i_bgetc)(f); + if (c=='$' && broken_state.status != ESC + && (input_mode == ASCII || input_mode == JIS_X_0201_1976_K)) { + c1= (*i_bgetc)(f); + broken_state.status = 0; + if (c1=='@'|| c1=='B') { + push_broken_buf(c1); + push_broken_buf(c); + return ESC; + } else { + (*i_bungetc)(c1,f); + return c; + } + } else if (c=='(' && broken_state.status != ESC + && (input_mode == JIS_X_0208 || input_mode == JIS_X_0201_1976_K)) { + c1= (*i_bgetc)(f); + broken_state.status = 0; + if (c1=='J'|| c1=='B') { + push_broken_buf(c1); + push_broken_buf(c); + return ESC; + } else { + (*i_bungetc)(c1,f); + return c; } - } else if (c > '/') { - i = c - '0' + '4' /* - '0' + 52 */ ; /* 0..9 52-61 */ - } else if (c == '+') { - i = '>' /* 62 */ ; /* + 62 */ } else { - i = '?' /* 63 */ ; /* / 63 */ + broken_state.status = c; + return c; } - return (i); } -static char basis_64[] = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - -static int b64c; +static nkf_char +broken_ungetc(nkf_char c, FILE *f) +{ + if (broken_state.count < 2) + push_broken_buf(c); + return c; +} -void -open_mime(mode) -int mode; +static void +eol_conv(nkf_char c2, nkf_char c1) { - unsigned char *p; - int i; - p = mime_pattern[0]; - for(i=0;mime_encode[i];i++) { - if (mode == mime_encode[i]) { - p = mime_pattern[i]; - break; - } + if (guess_f && input_eol != EOF) { + if (c2 == 0 && c1 == LF) { + if (!input_eol) input_eol = prev_cr ? CRLF : LF; + else if (input_eol != (prev_cr ? CRLF : LF)) input_eol = EOF; + } else if (c2 == 0 && c1 == CR && input_eol == LF) input_eol = EOF; + else if (!prev_cr); + else if (!input_eol) input_eol = CR; + else if (input_eol != CR) input_eol = EOF; } - mimeout_mode = mime_encode_method[i]; - - /* (*o_mputc)(' '); */ - while(*p) { - (*o_mputc)(*p++); - base64_count ++; + if (prev_cr || (c2 == 0 && c1 == LF)) { + prev_cr = 0; + if (eolmode_f != LF) (*o_eol_conv)(0, CR); + if (eolmode_f != CR) (*o_eol_conv)(0, LF); } + if (c2 == 0 && c1 == CR) prev_cr = CR; + else if (c2 != 0 || c1 != LF) (*o_eol_conv)(c2, c1); } -void -close_mime() -{ - (*o_mputc)('?'); - (*o_mputc)('='); - (*o_mputc)(' '); - base64_count += 3; - mimeout_mode = 0; -} +/* + Return value of fold_conv() -#define itoh4(c) (c>=10?c+'A'-10:c+'0') - -void -mime_putc(c) - int c; -{ - if (mimeout_f==FIXED_MIME) { - if (base64_count>71) { - (*o_mputc)('\n'); - base64_count=0; - } - } else if (c==NL) { - base64_count=0; - } - if (c!=EOF) { - if ( c<=DEL &&(output_mode==ASCII ||output_mode == ISO8859_1 ) - && mimeout_f!=FIXED_MIME) { - if (mimeout_mode=='Q') { - if (c<=SPACE) { - close_mime(); - } - (*o_mputc)(c); - return; + LF add newline and output char + CR add newline and output nothing + SP space + 0 skip + 1 (or else) normal output + + fold state in prev (previous character) + + >0x80 Japanese (X0208/X0201) + <0x80 ASCII + LF new line + SP 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) + +static void +fold_conv(nkf_char c2, nkf_char c1) +{ + nkf_char prev0; + nkf_char fold_state; + + if (c1== CR && !fold_preserve_f) { + fold_state=0; /* ignore cr */ + }else if (c1== LF&&f_prev==CR && fold_preserve_f) { + f_prev = LF; + 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 = LF; + } else if ((c1==LF && !fold_preserve_f) + || ((c1==CR||(c1==LF&&f_prev!=CR)) + && fold_preserve_f)) { + /* new line */ + if (fold_preserve_f) { + f_prev = c1; + f_line = 0; + fold_state = CR; + } else if ((f_prev == c1 && !fold_preserve_f) + || (f_prev == LF && fold_preserve_f) + ) { /* duplicate newline */ + if (f_line) { + f_line = 0; + fold_state = LF; /* output two newline */ + } else { + f_line = 0; + fold_state = 1; } - if (mimeout_mode!='B' || c!=SPACE) { - if (mimeout_mode) { - mime_putc(EOF); - mimeout_mode=0; + } else { + if (f_prev&0x80) { /* Japanese? */ + f_prev = c1; + fold_state = 0; /* ignore given single newline */ + } else if (f_prev==SP) { + fold_state = 0; + } else { + f_prev = c1; + if (++f_line<=fold_len) + fold_state = SP; + else { + f_line = 0; + fold_state = CR; /* fold and output nothing */ } - (*o_mputc)(c); - base64_count ++; - return; } - } else if (!mimeout_mode && mimeout_f!=FIXED_MIME) { - open_mime(output_mode); - } - } else { /* c==EOF */ - switch(mimeout_mode) { - case 'Q': - case 'B': - break; - case 2: - (*o_mputc)(basis_64[((b64c & 0x3)<< 4)]); - (*o_mputc)('='); - (*o_mputc)('='); - base64_count += 3; - break; - case 1: - (*o_mputc)(basis_64[((b64c & 0xF) << 2)]); - (*o_mputc)('='); - base64_count += 2; - break; - } - if (mimeout_mode) { - if (mimeout_f!=FIXED_MIME) { - close_mime(); - } else if (mimeout_mode != 'Q') - mimeout_mode = 'B'; - } - return; - } - switch(mimeout_mode) { - case 'Q': - if(c>=DEL) { - (*o_mputc)('='); - (*o_mputc)(itoh4(((c>>4)&0xf))); - (*o_mputc)(itoh4((c&0xf))); + } + } else if (c1=='\f') { + f_prev = LF; + f_line = 0; + fold_state = LF; /* output newline and clear */ + } else if ( (c2==0 && c1==SP)|| + (c2==0 && c1==TAB)|| + (c2=='!'&& c1=='!')) { + /* X0208 kankaku or ascii space */ + if (f_prev == SP) { + fold_state = 0; /* remove duplicate spaces */ } else { - (*o_mputc)(c); + f_prev = SP; + if (++f_line<=fold_len) + fold_state = SP; /* output ASCII space only */ + else { + f_prev = SP; f_line = 0; + fold_state = CR; /* fold and output nothing */ + } } - break; - case 'B': - b64c=c; - (*o_mputc)(basis_64[c>>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; + } else { + prev0 = f_prev; /* we still need this one... , but almost done */ + f_prev = c1; + if (c2 || c2 == JIS_X_0201_1976_K) + 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 = LF; /* We can't wait, do fold now */ + } else if (c2 == JIS_X_0201_1976_K) { + /* 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 (SP<=c1 && c1<=(0xdf&0x7f)) { /* X0201 */ + f_line = 1; + fold_state = LF;/* add one new f_line before this character */ + } else { + f_line = 1; + fold_state = LF;/* 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 = LF; + } else if ((prev0==SP) || /* ignored new f_line */ + (prev0==LF)|| /* ignored new f_line */ + (prev0&0x80)) { /* X0208 - ASCII */ + f_line = char_size(c2,c1); + fold_state = LF;/* 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 = LF; + f_line = char_size(c2,c1); + /* add one new f_line before this character */ + } + } else { + f_line = char_size(c2,c1); + fold_state = LF; + /* add one new f_line before this character */ + } + } + } + } + /* terminator process */ + switch(fold_state) { + case LF: + OCONV_NEWLINE((*o_fconv)); + (*o_fconv)(c2,c1); + break; + case 0: + return; + case CR: + OCONV_NEWLINE((*o_fconv)); + break; + case TAB: + case SP: + (*o_fconv)(0,SP); + break; + default: + (*o_fconv)(c2,c1); } } +static nkf_char z_prev2=0,z_prev1=0; -#ifdef PERL_XS -void -reinit() +static void +z_conv(nkf_char c2, nkf_char c1) { - 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; - mimebuf_f = FALSE; - broken_f = FALSE; - iso8859_f = FALSE; -#if defined(MSDOS) || defined(__OS2__) - x0201_f = TRUE; -#else - x0201_f = NO_X0201; -#endif - iso2022jp_f = FALSE; - - kanji_intro = DEFAULT_J; - ascii_intro = DEFAULT_R; - - output_conv = DEFAULT_CONV; - oconv = DEFAULT_CONV; - - i_mgetc = std_getc; - i_mungetc = std_ungetc; - i_mgetc_buf = std_getc; - i_mungetc_buf = std_ungetc; - i_getc= std_getc; - i_ungetc=std_ungetc; + /* if (c2) c1 &= 0x7f; assertion */ - i_bgetc= std_getc; - i_bungetc= std_ungetc; + if (c2 == JIS_X_0201_1976_K && (c1 == 0x20 || c1 == 0x7D || c1 == 0x7E)) { + (*o_zconv)(c2,c1); + return; + } - o_putc = std_putc; - o_mputc = std_putc; - o_crconv = no_connection; - o_rot_conv = no_connection; - o_iso2022jp_check_conv = no_connection; - o_hira_conv = no_connection; - o_fconv = no_connection; - o_zconv = no_connection; + if (x0201_f) { + if (z_prev2 == JIS_X_0201_1976_K) { + if (c2 == JIS_X_0201_1976_K) { + if (c1 == (0xde&0x7f)) { /* 濁点 */ + z_prev2 = 0; + (*o_zconv)(dv[(z_prev1-SP)*2], dv[(z_prev1-SP)*2+1]); + return; + } else if (c1 == (0xdf&0x7f) && ev[(z_prev1-SP)*2]) { /* 半濁点 */ + z_prev2 = 0; + (*o_zconv)(ev[(z_prev1-SP)*2], ev[(z_prev1-SP)*2+1]); + return; + } + } + z_prev2 = 0; + (*o_zconv)(cv[(z_prev1-SP)*2], cv[(z_prev1-SP)*2+1]); + } + if (c2 == JIS_X_0201_1976_K) { + if (dv[(c1-SP)*2] || ev[(c1-SP)*2]) { + /* wait for 濁点 or 半濁点 */ + z_prev1 = c1; + z_prev2 = c2; + return; + } else { + (*o_zconv)(cv[(c1-SP)*2], cv[(c1-SP)*2+1]); + return; + } + } + } - i_getc = std_getc; - i_ungetc = std_ungetc; - i_mgetc = std_getc; - i_mungetc = std_ungetc; + if (c2 == EOF) { + (*o_zconv)(c2, c1); + return; + } - output_mode = ASCII; - input_mode = ASCII; - shift_mode = FALSE; - mime_decode_mode = FALSE; - file_out = FALSE; - mimeout_mode = 0; - mimeout_f = FALSE; - base64_count = 0; - option_mode = 0; - crmode_f = 0; + if (alpha_f&1 && c2 == 0x23) { + /* JISX0208 Alphabet */ + c2 = 0; + } else if (c2 == 0x21) { + /* JISX0208 Kigou */ + if (0x21==c1) { + if (alpha_f&2) { + c2 = 0; + c1 = SP; + } else if (alpha_f&4) { + (*o_zconv)(0, SP); + (*o_zconv)(0, SP); + return; + } + } else if (alpha_f&1 && 0x20': entity = ">"; break; + case '<': entity = "<"; break; + case '\"': entity = """; break; + case '&': entity = "&"; break; + } + if (entity){ + while (*entity) (*o_zconv)(0, *entity++); + return; + } } -#endif - f_line = 0; - f_prev = 0; - fold_preserve_f = FALSE; - fold_f = FALSE; - fold_len = 0; - fold_margin = FOLD_MARGIN; - broken_counter = 0; - broken_last = 0; - z_prev2=0,z_prev1=0; + if (alpha_f & 16) { + /* JIS X 0208 Katakana to JIS X 0201 Katakana */ + if (c2 == 0x21) { + char c = 0; + switch (c1) { + case 0x23: + /* U+3002 (0x8142) Ideographic Full Stop -> U+FF61 (0xA1) Halfwidth Ideographic Full Stop */ + c = 0xA1; + break; + case 0x56: + /* U+300C (0x8175) Left Corner Bracket -> U+FF62 (0xA2) Halfwidth Left Corner Bracket */ + c = 0xA2; + break; + case 0x57: + /* U+300D (0x8176) Right Corner Bracket -> U+FF63 (0xA3) Halfwidth Right Corner Bracket */ + c = 0xA3; + break; + case 0x22: + /* U+3001 (0x8141) Ideographic Comma -> U+FF64 (0xA4) Halfwidth Ideographic Comma */ + c = 0xA4; + break; + case 0x26: + /* U+30FB (0x8145) Katakana Middle Dot -> U+FF65 (0xA5) Halfwidth Katakana Middle Dot */ + c = 0xA5; + break; + case 0x3C: + /* U+30FC (0x815B) Katakana-Hiragana Prolonged Sound Mark -> U+FF70 (0xB0) Halfwidth Katakana-Hiragana Prolonged Sound Mark */ + c = 0xB0; + break; + case 0x2B: + /* U+309B (0x814A) Katakana-Hiragana Voiced Sound Mark -> U+FF9E (0xDE) Halfwidth Katakana Voiced Sound Mark */ + c = 0xDE; + break; + case 0x2C: + /* U+309C (0x814B) Katakana-Hiragana Semi-Voiced Sound Mark -> U+FF9F (0xDF) Halfwidth Katakana Semi-Voiced Sound Mark */ + c = 0xDF; + break; + } + if (c) { + (*o_zconv)(JIS_X_0201_1976_K, c); + return; + } + } else if (c2 == 0x25) { + /* JISX0208 Katakana */ + static const int fullwidth_to_halfwidth[] = + { + 0x0000, 0x2700, 0x3100, 0x2800, 0x3200, 0x2900, 0x3300, 0x2A00, + 0x3400, 0x2B00, 0x3500, 0x3600, 0x365E, 0x3700, 0x375E, 0x3800, + 0x385E, 0x3900, 0x395E, 0x3A00, 0x3A5E, 0x3B00, 0x3B5E, 0x3C00, + 0x3C5E, 0x3D00, 0x3D5E, 0x3E00, 0x3E5E, 0x3F00, 0x3F5E, 0x4000, + 0x405E, 0x4100, 0x415E, 0x2F00, 0x4200, 0x425E, 0x4300, 0x435E, + 0x4400, 0x445E, 0x4500, 0x4600, 0x4700, 0x4800, 0x4900, 0x4A00, + 0x4A5E, 0x4A5F, 0x4B00, 0x4B5E, 0x4B5F, 0x4C00, 0x4C5E, 0x4C5F, + 0x4D00, 0x4D5E, 0x4D5F, 0x4E00, 0x4E5E, 0x4E5F, 0x4F00, 0x5000, + 0x5100, 0x5200, 0x5300, 0x2C00, 0x5400, 0x2D00, 0x5500, 0x2E00, + 0x5600, 0x5700, 0x5800, 0x5900, 0x5A00, 0x5B00, 0x0000, 0x5C00, + 0x0000, 0x0000, 0x2600, 0x5D00, 0x335E, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 + }; + if (fullwidth_to_halfwidth[c1-0x20]){ + c2 = fullwidth_to_halfwidth[c1-0x20]; + (*o_zconv)(JIS_X_0201_1976_K, c2>>8); + if (c2 & 0xFF) { + (*o_zconv)(JIS_X_0201_1976_K, c2&0xFF); + } + return; + } + } + } + (*o_zconv)(c2,c1); } -#endif -void -no_connection(c2,c1) -int c2,c1; -{ - no_connection2(c2,c1,0); -} -int -no_connection2(c2,c1,c0) -int c2,c1,c0; +#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 \ + ) + +static void +rot_conv(nkf_char c2, nkf_char c1) { - fprintf(stderr,"nkf internal module connection failure.\n"); - exit(1); + if (c2 == 0 || c2 == JIS_X_0201_1976_K || c2 == ISO_8859_1) { + c1 = rot13(c1); + } else if (c2) { + c1 = rot47(c1); + c2 = rot47(c2); + } + (*o_rot_conv)(c2,c1); +} + +static 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 && nkf_enc_unicode_p(output_encoding)) { + c2 = 0; + c1 = nkf_char_unicode_new(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 == nkf_char_unicode_new(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); +} + + +static void +iso2022jp_check_conv(nkf_char c2, nkf_char c1) +{ +#define RANGE_NUM_MAX 18 + 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?= */ + +static 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, +}; + +static const nkf_char mime_encode[] = { + EUC_JP, SHIFT_JIS, ISO_8859_1, ISO_8859_1, JIS_X_0208, JIS_X_0201_1976_K, +#if defined(UTF8_INPUT_ENABLE) + UTF_8, UTF_8, +#endif + ASCII, + 0 +}; + +static const nkf_char mime_encode_method[] = { + 'B', 'B','Q', 'B', 'B', 'Q', +#if defined(UTF8_INPUT_ENABLE) + 'B', 'Q', +#endif + 'Q', + 0 +}; + + +/* MIME preprocessor fifo */ + +#define MIME_BUF_SIZE (1024) /* 2^n ring buffer */ +#define MIME_BUF_MASK (MIME_BUF_SIZE-1) +#define mime_input_buf(n) mime_input_state.buf[(n)&MIME_BUF_MASK] +static struct { + unsigned char buf[MIME_BUF_SIZE]; + unsigned int top; + unsigned int last; /* decoded */ + unsigned int input; /* undecoded */ +} mime_input_state; +static nkf_char (*mime_iconv_back)(nkf_char c2,nkf_char c1,nkf_char c0) = NULL; + +#define MAXRECOVER 20 + +static void +mime_input_buf_unshift(nkf_char c) +{ + mime_input_buf(--mime_input_state.top) = (unsigned char)c; +} + +static nkf_char +mime_ungetc(nkf_char c, FILE *f) +{ + mime_input_buf_unshift(c); + return c; +} + +static nkf_char +mime_ungetc_buf(nkf_char c, FILE *f) +{ + if (mimebuf_f) + (*i_mungetc_buf)(c,f); + else + mime_input_buf(--mime_input_state.input) = (unsigned char)c; + return c; +} + +static nkf_char +mime_getc_buf(FILE *f) +{ + /* we don't keep eof of mime_input_buf, becase it contains ?= as + a terminator. It was checked in mime_integrity. */ + return ((mimebuf_f)? + (*i_mgetc_buf)(f):mime_input_buf(mime_input_state.input++)); +} + +static 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; + } + } +} + +static 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; +} + +static 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_state.input = mime_input_state.top; + mime_input_state.last = mime_input_state.top; + + while(*p) mime_input_buf(mime_input_state.input++) = *p++; + d = 0; + q = mime_input_state.input; + while((c=(*i_getc)(f))!=EOF) { + if (((mime_input_state.input-mime_input_state.top)&MIME_BUF_MASK)==0) { + break; /* buffer full */ + } + if (c=='=' && d=='?') { + /* checked. skip header, start decode */ + mime_input_buf(mime_input_state.input++) = (unsigned char)c; + /* mime_last_input = mime_input_state.input; */ + mime_input_state.input = q; + switch_mime_getc(); + return 1; + } + if (!( (c=='+'||c=='/'|| c=='=' || c=='?' || is_alnum(c)))) + break; + /* Should we check length mod 4? */ + mime_input_buf(mime_input_state.input++) = (unsigned char)c; + d=c; + } + /* In case of Incomplete MIME, no MIME decode */ + mime_input_buf(mime_input_state.input++) = (unsigned char)c; + mime_input_state.last = mime_input_state.input; /* point undecoded buffer */ + mime_decode_mode = 1; /* no decode on mime_input_buf last in mime_getc */ + switch_mime_getc(); /* anyway we need buffered getc */ + return 1; +} + +static 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]>SP;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;jscore & (SCORE_DEPEND|SCORE_CP932)) + input_codename = "CP932"; + } else if (strcmp(input_codename, "EUC-JP") == 0) { + if (p->score & (SCORE_X0212)) + input_codename = "EUCJP-MS"; + else if (p->score & (SCORE_DEPEND|SCORE_CP932)) + input_codename = "CP51932"; + } else if (strcmp(input_codename, "ISO-2022-JP") == 0) { + if (p->score & (SCORE_KANA)) + input_codename = "CP50221"; + else if (p->score & (SCORE_DEPEND|SCORE_CP932)) + input_codename = "CP50220"; + } + } + return input_codename; +} + +#if !defined(PERL_XS) && !defined(WIN32DLL) +static void +print_guessed_code(char *filename) +{ + if (filename != NULL) printf("%s: ", filename); + if (input_codename && !*input_codename) { + printf("BINARY\n"); + } else { + input_codename = get_guessed_code(); + if (guess_f == 1) { + printf("%s\n", input_codename); + } else { + printf("%s%s\n", + input_codename, + input_eol == CR ? " (CR)" : + input_eol == LF ? " (LF)" : + input_eol == CRLF ? " (CRLF)" : + input_eol == EOF ? " (MIXED NL)" : + ""); + } + } +} +#endif /*WIN32DLL*/ + +#ifdef INPUT_OPTION + +static nkf_char +hex_getc(nkf_char ch, FILE *f, nkf_char (*g)(FILE *f), nkf_char (*u)(nkf_char c, FILE *f)) +{ + nkf_char c1, c2, c3; + c1 = (*g)(f); + if (c1 != ch){ + return c1; + } + c2 = (*g)(f); + if (!nkf_isxdigit(c2)){ + (*u)(c2, f); + return c1; + } + c3 = (*g)(f); + if (!nkf_isxdigit(c3)){ + (*u)(c2, f); + (*u)(c3, f); + return c1; + } + return (hex2bin(c2) << 4) | hex2bin(c3); +} + +static nkf_char +cap_getc(FILE *f) +{ + return hex_getc(':', f, i_cgetc, i_cungetc); +} + +static nkf_char +cap_ungetc(nkf_char c, FILE *f) +{ + return (*i_cungetc)(c, f); +} + +static nkf_char +url_getc(FILE *f) +{ + return hex_getc('%', f, i_ugetc, i_uungetc); +} + +static nkf_char +url_ungetc(nkf_char c, FILE *f) +{ + return (*i_uungetc)(c, f); +} +#endif + +#ifdef NUMCHAR_OPTION +static nkf_char +numchar_getc(FILE *f) +{ + nkf_char (*g)(FILE *) = i_ngetc; + nkf_char (*u)(nkf_char c ,FILE *f) = i_nungetc; + int i = 0, j; + nkf_char buf[12]; + long c = -1; + + buf[i] = (*g)(f); + if (buf[i] == '&'){ + buf[++i] = (*g)(f); + if (buf[i] == '#'){ + c = 0; + buf[++i] = (*g)(f); + if (buf[i] == 'x' || buf[i] == 'X'){ + for (j = 0; j < 7; j++){ + buf[++i] = (*g)(f); + if (!nkf_isxdigit(buf[i])){ + if (buf[i] != ';'){ + c = -1; + } + break; + } + c <<= 4; + c |= hex2bin(buf[i]); + } + }else{ + for (j = 0; j < 8; j++){ + if (j){ + buf[++i] = (*g)(f); + } + if (!nkf_isdigit(buf[i])){ + if (buf[i] != ';'){ + c = -1; + } + break; + } + c *= 10; + c += hex2bin(buf[i]); + } + } + } + } + if (c != -1){ + return nkf_char_unicode_new(c); + } + while (i > 0){ + (*u)(buf[i], f); + --i; + } + return buf[0]; +} + +static nkf_char +numchar_ungetc(nkf_char c, FILE *f) +{ + return (*i_nungetc)(c, f); +} +#endif + +#ifdef UNICODE_NORMALIZATION + +/* Normalization Form C */ +static 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 unsigned char *array; + + 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]; +} + +static nkf_char +nfc_ungetc(nkf_char c, FILE *f) +{ + return (*i_nfc_ungetc)(c, f); +} +#endif /* UNICODE_NORMALIZATION */ + + +static nkf_char +base64decode(nkf_char c) +{ + int i; + if (c > '@') { + if (c < '[') { + i = c - 'A'; /* A..Z 0-25 */ + } else if (c == '_') { + i = '?' /* 63 */ ; /* _ 63 */ + } 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 == '+' || c == '-') { + i = '>' /* 62 */ ; /* + and - 62 */ + } else { + i = '?' /* 63 */ ; /* / 63 */ + } + return (i); +} + +static 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_input_state.top != mime_input_state.last) { /* Something is in FIFO */ + return mime_input_buf(mime_input_state.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 SP; + if (c1<=SP || 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 LF: + case CR: + if (c1==LF) { + if ((c1=(*i_getc)(f))!=EOF && (c1==SP||c1==TAB)) { + i_ungetc(SP,f); + continue; + } else { + i_ungetc(c1,f); + } + c1 = LF; + } else { + if ((c1=(*i_getc)(f))!=EOF && c1 == LF) { + if ((c1=(*i_getc)(f))!=EOF && (c1==SP||c1==TAB)) { + i_ungetc(SP,f); + continue; + } else { + i_ungetc(c1,f); + } + i_ungetc(LF,f); + } else { + i_ungetc(c1,f); + } + c1 = CR; + } + break; + case SP: + 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] != SP && 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=='='&&c2lwsp_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] != SP && 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))<=SP) { + 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))<=SP) { + 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 != '=') { + mime_input_buf(mime_input_state.last++) = (unsigned char)cc; + cc = ((t2 << 4) & 0x0f0) | ((t3 >> 2) & 0x0f); + if (c3 != '=') { + mime_input_buf(mime_input_state.last++) = (unsigned char)cc; + cc = ((t3 << 6) & 0x0c0) | (t4 & 0x3f); + if (c4 != '=') + mime_input_buf(mime_input_state.last++) = (unsigned char)cc; + } + } else { + return c1; + } + return mime_input_buf(mime_input_state.top++); +} + +static const char basis_64[] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + +#define MIMEOUT_BUF_LENGTH (60) +static struct { + char buf[MIMEOUT_BUF_LENGTH+1]; + int count; + nkf_char state; +} mimeout_state; + +/*nkf_char mime_lastchar2, mime_lastchar1;*/ + +static void +open_mime(nkf_char mode) +{ + const unsigned char *p; + int i; + int j; + p = mime_pattern[0]; + for(i=0;mime_pattern[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_state.count>0 && nkf_isblank(mimeout_state.buf[i])){ + (*o_mputc)(mimeout_state.buf[i]); + i++; + } + PUT_NEWLINE((*o_mputc)); + (*o_mputc)(SP); + base64_count = 1; + if (mimeout_state.count>0 + && (mimeout_state.buf[i]==SP || mimeout_state.buf[i]==TAB + || mimeout_state.buf[i]==CR || mimeout_state.buf[i]==LF)) { + i++; + } + } + for (;i 0){ + if (c2 == EOF){ + if (base64_count + mimeout_state.count/3*4> 73){ + (*o_base64conv)(EOF,0); + OCONV_NEWLINE((*o_base64conv)); + (*o_base64conv)(0,SP); + base64_count = 1; + } + } else { + if (base64_count + mimeout_state.count/3*4> 66) { + (*o_base64conv)(EOF,0); + OCONV_NEWLINE((*o_base64conv)); + (*o_base64conv)(0,SP); + base64_count = 1; + mimeout_mode = -1; + } + } + } else if (c2) { + if (c2 != EOF && base64_count + mimeout_state.count/3*4> 60) { + mimeout_mode = (output_mode==ASCII ||output_mode == ISO_8859_1) ? 'Q' : 'B'; + open_mime(output_mode); + (*o_base64conv)(EOF,0); + OCONV_NEWLINE((*o_base64conv)); + (*o_base64conv)(0,SP); + base64_count = 1; + mimeout_mode = -1; + } + } +} + +static void +close_mime(void) +{ + (*o_mputc)('?'); + (*o_mputc)('='); + base64_count += 2; + mimeout_mode = 0; +} + +static void +eof_mime(void) +{ + switch(mimeout_mode) { + case 'Q': + case 'B': + break; + case 2: + (*o_mputc)(basis_64[((mimeout_state.state & 0x3)<< 4)]); + (*o_mputc)('='); + (*o_mputc)('='); + base64_count += 3; + break; + case 1: + (*o_mputc)(basis_64[((mimeout_state.state & 0xF) << 2)]); + (*o_mputc)('='); + base64_count += 2; + break; + } + if (mimeout_mode > 0) { + if (mimeout_f!=FIXED_MIME) { + close_mime(); + } else if (mimeout_mode != 'Q') + mimeout_mode = 'B'; + } +} + +static void +mimeout_addchar(nkf_char c) +{ + switch(mimeout_mode) { + case 'Q': + if (c==CR||c==LF) { + (*o_mputc)(c); + base64_count = 0; + } else if(!nkf_isalnum(c)) { + (*o_mputc)('='); + (*o_mputc)(bin2hex(((c>>4)&0xf))); + (*o_mputc)(bin2hex((c&0xf))); + base64_count += 3; + } else { + (*o_mputc)(c); + base64_count++; + } + break; + case 'B': + mimeout_state.state=c; + (*o_mputc)(basis_64[c>>2]); + mimeout_mode=2; + base64_count ++; + break; + case 2: + (*o_mputc)(basis_64[((mimeout_state.state & 0x3)<< 4) | ((c & 0xF0) >> 4)]); + mimeout_state.state=c; + mimeout_mode=1; + base64_count ++; + break; + case 1: + (*o_mputc)(basis_64[((mimeout_state.state & 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; + } +} + +static 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!=LF) { + (*o_mputc)('='); + PUT_NEWLINE((*o_mputc)); + } + base64_count = 0; + } + }else{ + if (base64_count > 71){ + eof_mime(); + PUT_NEWLINE((*o_mputc)); + 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 */ + if (mimeout_mode == -1 && mimeout_state.count > 1) open_mime(output_mode); + j = mimeout_state.count; + mimeout_state.count = 0; + i = 0; + if (mimeout_mode > 0) { + if (!nkf_isblank(mimeout_state.buf[j-1])) { + for (;i 0){ + lastchar = mimeout_state.buf[mimeout_state.count - 1]; + }else{ + lastchar = -1; + } + + if (mimeout_mode=='Q') { + if (c <= DEL && (output_mode==ASCII ||output_mode == ISO_8859_1)) { + if (c == CR || c == LF) { + close_mime(); + (*o_mputc)(c); + base64_count = 0; + return; + } else if (c <= SP) { + close_mime(); + if (base64_count > 70) { + PUT_NEWLINE((*o_mputc)); + base64_count = 0; + } + if (!nkf_isblank(c)) { + (*o_mputc)(SP); + base64_count++; + } + } else { + if (base64_count > 70) { + close_mime(); + PUT_NEWLINE((*o_mputc)); + (*o_mputc)(SP); + base64_count = 1; + open_mime(output_mode); + } + if (!nkf_noescape_mime(c)) { + mimeout_addchar(c); + return; + } + } + (*o_mputc)(c); + base64_count++; + } + return; + } + + if (mimeout_mode <= 0) { + if (c <= DEL && (output_mode==ASCII ||output_mode == ISO_8859_1)) { + if (nkf_isspace(c)) { + int flag = 0; + if (mimeout_mode == -1) { + flag = 1; + } + if (c==CR || c==LF) { + if (flag) { + open_mime(output_mode); + output_mode = 0; + } else { + base64_count = 0; + } + } + for (i=0;i 1 + && base64_count + mimeout_state.count > 76 + && mimeout_state.buf[0] != CR && mimeout_state.buf[0] != LF){ + PUT_NEWLINE((*o_mputc)); + base64_count = 0; + if (!nkf_isspace(mimeout_state.buf[0])){ + (*o_mputc)(SP); + base64_count++; + } + } + mimeout_state.buf[mimeout_state.count++] = (char)c; + if (mimeout_state.count>MIMEOUT_BUF_LENGTH) { + open_mime(output_mode); + } + } + return; + }else{ + if (lastchar==CR || lastchar == LF){ + for (i=0;iMIMEOUT_BUF_LENGTH) { + eof_mime(); + for (i=0;i0 && SPMIMEOUT_BUF_LENGTH) { + j = mimeout_state.count; + mimeout_state.count = 0; + for (i=0;i0) { + j = mimeout_state.count; + mimeout_state.count = 0; + for (i=0;iinput_buffer_size = IOBUF_SIZE; + converter->input_buffer = malloc(converter->input_buffer_size); + if (converter->input_buffer == NULL) + perror("can't malloc"); + + converter->output_buffer_size = IOBUF_SIZE * 2; + converter->output_buffer = malloc(converter->output_buffer_size); + if (converter->output_buffer == NULL) + perror("can't malloc"); + + converter->cd = iconv_open(tocode, fromcode); + if (converter->cd == (iconv_t)-1) + { + switch (errno) { + case EINVAL: + perror(fprintf("iconv doesn't support %s to %s conversion.", fromcode, tocode)); + return -1; + default: + perror("can't iconv_open"); + } + } +} + +static size_t +nkf_iconv_convert(nkf_iconv_t *converter, FILE *input) +{ + size_t invalid = (size_t)0; + char *input_buffer = converter->input_buffer; + size_t input_length = (size_t)0; + char *output_buffer = converter->output_buffer; + size_t output_length = converter->output_buffer_size; + int c; + + do { + if (c != EOF) { + while ((c = (*i_getc)(f)) != EOF) { + input_buffer[input_length++] = c; + if (input_length < converter->input_buffer_size) break; + } + } + + size_t ret = iconv(converter->cd, &input_buffer, &input_length, &output_buffer, &output_length); + while (output_length-- > 0) { + (*o_putc)(output_buffer[converter->output_buffer_size-output_length]); + } + if (ret == (size_t) - 1) { + switch (errno) { + case EINVAL: + if (input_buffer != converter->input_buffer) + memmove(converter->input_buffer, input_buffer, input_length); + break; + case E2BIG: + converter->output_buffer_size *= 2; + output_buffer = realloc(converter->outbuf, converter->output_buffer_size); + if (output_buffer == NULL) { + perror("can't realloc"); + return -1; + } + converter->output_buffer = output_buffer; + break; + default: + perror("can't iconv"); + return -1; + } + } else { + invalid += ret; + } + } while (1); + + return invalid; +} + + +static void +nkf_iconv_close(nkf_iconv_t *convert) +{ + free(converter->inbuf); + free(converter->outbuf); + iconv_close(converter->cd); +} +#endif + + +static void +reinit(void) +{ + { + struct input_code *p = input_code_list; + while (p->name){ + status_reinit(p++); + } + } + unbuf_f = FALSE; + estab_f = FALSE; + nop_f = FALSE; + binmode_f = TRUE; + rot_f = FALSE; + hira_f = FALSE; + alpha_f = FALSE; + mime_f = MIME_DECODE_DEFAULT; + mime_decode_f = FALSE; + mimebuf_f = FALSE; + broken_f = FALSE; + iso8859_f = FALSE; + mimeout_f = FALSE; + x0201_f = X0201_DEFAULT; + 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 = 0; +#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_state.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; + o_zconv = no_connection; + o_fconv = no_connection; + o_eol_conv = 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; + mime_decode_mode = FALSE; + file_out_f = FALSE; + eolmode_f = 0; + input_eol = 0; + prev_cr = 0; + option_mode = 0; + init_broken_state(); + z_prev2=0,z_prev1=0; +#ifdef CHECK_OPTION + iconv_for_check = 0; +#endif + input_codename = NULL; + input_encoding = NULL; + output_encoding = NULL; +#ifdef WIN32DLL + reinitdll(); +#endif /*WIN32DLL*/ +} + +static int +module_connection(void) +{ + if (input_encoding) set_input_encoding(input_encoding); + if (!output_encoding) { + output_encoding = nkf_default_encoding(); + } + if (!output_encoding) { + if (noout_f || guess_f) output_encoding = nkf_enc_from_index(ISO_2022_JP); + else return -1; + } + set_output_encoding(output_encoding); + oconv = nkf_enc_to_oconv(output_encoding); + 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 (eolmode_f || guess_f) { + o_eol_conv = oconv; oconv = eol_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){ + 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_encoding) { + set_iconv(-TRUE, nkf_enc_to_iconv(input_encoding)); + } else { + set_iconv(FALSE, e_iconv); + } + + { + struct input_code *p = input_code_list; + while (p->name){ + status_reinit(p++); + } + } + return 0; +} + +/* + Conversion main loop. Code detection only. + */ + +#if !defined(PERL_XS) && !defined(WIN32DLL) +static 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 + +#define NEXT continue /* no output, get next */ +#define SKIP c2=0;continue /* no output, get next */ +#define MORE c2=c1;continue /* need one more byte */ +#define SEND ; /* output c1 and c2, get next */ +#define LAST break /* end of loop, go closing */ +#define set_input_mode(mode) do { \ + input_mode = mode; \ + shift_mode = 0; \ + set_input_codename("ISO-2022-JP"); \ + debug("ISO-2022-JP"); \ +} while (0) + +static int +kanji_convert(FILE *f) +{ + nkf_char c1=0, c2=0, c3=0, c4=0; + int shift_mode = 0; /* 0, 1, 2, 3 */ + int g2 = 0; + int is_8bit = FALSE; + + if (input_encoding && !nkf_enc_asciicompat(input_encoding)) { + is_8bit = TRUE; + } + + input_mode = ASCII; + output_mode = ASCII; + + if (module_connection() < 0) { +#if !defined(PERL_XS) && !defined(WIN32DLL) + fprintf(stderr, "no output encoding given\n"); +#endif + return -1; + } + check_bom(f); + +#ifdef UTF8_INPUT_ENABLE + if(iconv == w_iconv32){ + while ((c1 = (*i_getc)(f)) != EOF && + (c2 = (*i_getc)(f)) != EOF && + (c3 = (*i_getc)(f)) != EOF && + (c4 = (*i_getc)(f)) != EOF) { + nkf_iconv_utf_32(c1, c2, c3, c4); + } + (*i_ungetc)(EOF, f); + } + else if (iconv == w_iconv16) { + while ((c1 = (*i_getc)(f)) != EOF && + (c2 = (*i_getc)(f)) != EOF) { + if (nkf_iconv_utf_16(c1, c2, 0, 0) == -2 && + (c3 = (*i_getc)(f)) != EOF && + (c4 = (*i_getc)(f)) != EOF) { + nkf_iconv_utf_16(c1, c2, c3, c4); + } + } + (*i_ungetc)(EOF, f); + } +#endif + + while ((c1 = (*i_getc)(f)) != EOF) { +#ifdef INPUT_CODE_FIX + if (!input_encoding) +#endif + code_status(c1); + if (c2) { + /* second byte */ + if (c2 > 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 { + SKIP; + } + } + else { + /* in case of already established */ + if (c1 < 0x40) { + /* ignore bogus code */ + SKIP; + } else { + SEND; + } + } + } + else { + /* 2nd byte of 7 bit code or SJIS */ + SEND; + } + } + else { + /* first byte */ + if (input_mode == JIS_X_0208 && DEL <= c1 && c1 < 0x92) { + /* CP5022x */ + MORE; + } else if (c1 > DEL) { + /* 8 bit code */ + if (!estab_f && !iso8859_f) { + /* not established yet */ + MORE; + } else { /* estab_f==TRUE */ + if (iso8859_f) { + c2 = ISO_8859_1; + c1 &= 0x7f; + SEND; + } + else if ((iconv == s_iconv && 0xA0 <= c1 && c1 <= 0xDF) || + (ms_ucs_map_f == UCS_MAP_CP10001 && (c1 == 0xFD || c1 == 0xFE))) { + /* JIS X 0201 */ + c2 = JIS_X_0201_1976_K; + c1 &= 0x7f; + SEND; + } + else { + /* already established */ + MORE; + } + } + } else if (SP < c1 && c1 < DEL) { + /* in case of Roman characters */ + if (shift_mode) { + /* output 1 shifted byte */ + if (iso8859_f) { + c2 = ISO_8859_1; + SEND; + } else if (nkf_byte_jisx0201_katakana_p(c1)){ + /* output 1 shifted byte */ + c2 = JIS_X_0201_1976_K; + SEND; + } else { + /* look like bogus code */ + SKIP; + } + } else if (input_mode == JIS_X_0208 || input_mode == JIS_X_0212 || + input_mode == JIS_X_0213_1 || input_mode == JIS_X_0213_2) { + /* in case of Kanji shifted */ + MORE; + } 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; + SKIP; + } else if (mime_begin(f) == EOF) + LAST; + SKIP; + } else { + (*oconv)(0, '='); + (*i_ungetc)(c1,f); + SKIP; + } + } else { + /* normal ASCII code */ + SEND; + } + } else if (c1 == SI && (!is_8bit || mime_decode_mode)) { + shift_mode = 0; + SKIP; + } else if (c1 == SO && (!is_8bit || mime_decode_mode)) { + shift_mode = 1; + SKIP; + } 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 == '&') { + /* IRR */ + if ((c1 = (*i_getc)(f)) == EOF) { + LAST; + } else { + SKIP; + } + } + else if (c1 == '$') { + /* GZDMx */ + if ((c1 = (*i_getc)(f)) == EOF) { + /* don't send bogus code + (*oconv)(0, ESC); + (*oconv)(0, '$'); */ + LAST; + } else if (c1 == '@' || c1 == 'B') { + /* JIS X 0208 */ + set_input_mode(JIS_X_0208); + SKIP; + } else if (c1 == '(') { + /* GZDM4 */ + if ((c1 = (*i_getc)(f)) == EOF) { + /* don't send bogus code + (*oconv)(0, ESC); + (*oconv)(0, '$'); + (*oconv)(0, '('); + */ + LAST; + } else if (c1 == '@'|| c1 == 'B') { + /* JIS X 0208 */ + set_input_mode(JIS_X_0208); + SKIP; +#ifdef X0212_ENABLE + } else if (c1 == 'D'){ + set_input_mode(JIS_X_0212); + SKIP; +#endif /* X0212_ENABLE */ + } else if (c1 == 'O' || c1 == 'Q'){ + set_input_mode(JIS_X_0213_1); + SKIP; + } else if (c1 == 'P'){ + set_input_mode(JIS_X_0213_2); + SKIP; + } else { + /* could be some special code */ + (*oconv)(0, ESC); + (*oconv)(0, '$'); + (*oconv)(0, '('); + (*oconv)(0, c1); + SKIP; + } + } else if (broken_f&0x2) { + /* accept any ESC-(-x as broken code ... */ + input_mode = JIS_X_0208; + shift_mode = 0; + SKIP; + } else { + (*oconv)(0, ESC); + (*oconv)(0, '$'); + (*oconv)(0, c1); + SKIP; + } + } else if (c1 == '(') { + /* GZD4 */ + if ((c1 = (*i_getc)(f)) == EOF) { + /* don't send bogus code + (*oconv)(0, ESC); + (*oconv)(0, '('); */ + LAST; + } + else if (c1 == 'I') { + /* JIS X 0201 Katakana */ + set_input_mode(JIS_X_0201_1976_K); + SKIP; + } + else if (c1 == 'B' || c1 == 'J' || c1 == 'H') { + /* ISO-646IRV:1983 or JIS X 0201 Roman or JUNET */ + set_input_mode(ASCII); + SKIP; + } + else if (broken_f&0x2) { + set_input_mode(ASCII); + SKIP; + } + else { + (*oconv)(0, ESC); + (*oconv)(0, '('); + SEND; + } + } + else if (c1 == '.') { + /* G2D6 */ + if ((c1 = (*i_getc)(f)) == EOF) { + LAST; + } + else if (c1 == 'A') { + /* ISO-8859-1 */ + g2 = ISO_8859_1; + SKIP; + } + else { + (*oconv)(0, ESC); + (*oconv)(0, '.'); + SEND; + } + } + else if (c1 == 'N') { + /* SS2 */ + c1 = (*i_getc)(f); + if (g2 == ISO_8859_1) { + c2 = ISO_8859_1; + SEND; + }else{ + (*i_ungetc)(c1, f); + /* lonely ESC */ + (*oconv)(0, ESC); + SEND; + } + } + else { + /* lonely ESC */ + (*oconv)(0, ESC); + SEND; + } + } else if (c1 == ESC && iconv == s_iconv) { + /* ESC in Shift_JIS */ + if ((c1 = (*i_getc)(f)) == EOF) { + /* (*oconv)(0, ESC); don't send bogus code */ + LAST; + } else if (c1 == '$') { + /* J-PHONE emoji */ + if ((c1 = (*i_getc)(f)) == EOF) { + 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] = + {0xE1E0, 0xDFE0, 0xE2E0, 0xE3E0, 0xE4E0, 0xDFE0, 0xE0E0}; + c3 = nkf_char_unicode_new(jphone_emoji_first_table[c1 % 7]); + if ((c1 = (*i_getc)(f)) == EOF) LAST; + while (SP <= c1 && c1 <= 'z') { + (*oconv)(0, c1 + c3); + if ((c1 = (*i_getc)(f)) == EOF) LAST; + } + SKIP; + } + else { + (*oconv)(0, ESC); + (*oconv)(0, '$'); + SEND; + } + } + else { + /* lonely ESC */ + (*oconv)(0, ESC); + SEND; + } + } else if (c1 == LF || c1 == CR) { + if (broken_f&4) { + input_mode = ASCII; set_iconv(FALSE, 0); + SEND; + } else if (mime_decode_f && !mime_decode_mode){ + if (c1 == LF) { + if ((c1=(*i_getc)(f))!=EOF && c1 == SP) { + i_ungetc(SP,f); + continue; + } else { + i_ungetc(c1,f); + } + c1 = LF; + SEND; + } else { /* if (c1 == CR)*/ + if ((c1=(*i_getc)(f))!=EOF) { + if (c1==SP) { + i_ungetc(SP,f); + continue; + } else if (c1 == LF && (c1=(*i_getc)(f))!=EOF && c1 == SP) { + i_ungetc(SP,f); + continue; + } else { + i_ungetc(c1,f); + } + i_ungetc(LF,f); + } else { + i_ungetc(c1,f); + } + c1 = CR; + SEND; + } + } + } else + SEND; + } + /* send: */ + switch(input_mode){ + case ASCII: + switch ((*iconv)(c2, c1, 0)) { /* can be EUC / SJIS / UTF-8 */ + case -2: + /* 4 bytes UTF-8 */ + if ((c3 = (*i_getc)(f)) != EOF) { + code_status(c3); + c3 <<= 8; + if ((c4 = (*i_getc)(f)) != EOF) { + code_status(c4); + (*iconv)(c2, c1, c3|c4); + } + } + break; + case -1: + /* 3 bytes EUC or UTF-8 */ + if ((c3 = (*i_getc)(f)) != EOF) { + code_status(c3); + (*iconv)(c2, c1, c3); + } + break; + } + break; + case JIS_X_0208: + case JIS_X_0213_1: + if (ms_ucs_map_f && + 0x7F <= c2 && c2 <= 0x92 && + 0x21 <= c1 && c1 <= 0x7E) { + /* CP932 UDC */ + c1 = nkf_char_unicode_new((c2 - 0x7F) * 94 + c1 - 0x21 + 0xE000); + c2 = 0; + } + (*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */ + break; +#ifdef X0212_ENABLE + case JIS_X_0212: + (*oconv)(PREFIX_EUCG3 | c2, c1); + break; +#endif /* X0212_ENABLE */ + case JIS_X_0213_2: + (*oconv)(PREFIX_EUCG3 | c2, c1); + break; + default: + (*oconv)(input_mode, c1); /* other special case */ + } + + c2 = 0; + c3 = 0; + continue; + /* goto next_word */ + } + + /* epilogue */ + (*iconv)(EOF, 0, 0); + if (!input_codename) + { + 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); +#ifdef CHECK_OPTION + debug(result->name); +#endif + } + } + return 0; } +/* + * int options(unsigned char *cp) + * + * return values: + * 0: success + * -1: ArgumentError + */ +static int +options(unsigned char *cp) +{ + nkf_char i, j; + unsigned char *p; + unsigned char *cp_back = NULL; + nkf_encoding *enc; + + if (option_mode==1) + return 0; + 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 == SP) { /* ignore the rest of arguments */ + option_mode = 1; + return 0; + } + for (i=0;ihiragana + bit:2 hiragana->katakana + */ + if ('9'>= *cp && *cp>='0') + hira_f |= (*cp++ -'0'); + else + hira_f |= 1; + continue; + case 'r': + rot_f = TRUE; + continue; +#if defined(MSDOS) || defined(__OS2__) + case 'T': + binmode_f = FALSE; + continue; +#endif #ifndef PERL_XS -void -usage() -{ - 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 bufferred (DEFAULT),Output is unbufferred\n"); -#ifdef DEFAULT_CODE_SJIS - fprintf(stderr,"j,s,e,w Outout code is JIS 7 bit, Shift JIS (DEFAULT), AT&T JIS (EUC), UTF-8\n"); -#endif -#ifdef DEFAULT_CODE_JIS - fprintf(stderr,"j,s,e,w Outout code is JIS 7 bit (DEFAULT), Shift JIS, AT&T JIS (EUC), UTF-8\n"); -#endif -#ifdef DEFAULT_CODE_EUC - fprintf(stderr,"j,s,e,w Outout code is JIS 7 bit, Shift JIS, AT&T JIS (EUC) (DEFAULT), UTF-8\n"); -#endif -#ifdef DEFAULT_CODE_UTF8 - fprintf(stderr,"j,s,e,w Outout code is JIS 7 bit, Shift JIS, AT&T JIS (EUC), UTF-8 (DEFAULT)\n"); -#endif - fprintf(stderr,"J,S,E,W Input assumption is JIS 7 bit , Shift JIS, AT&T JIS (EUC), UTF-8\n"); - fprintf(stderr,"t no conversion\n"); - fprintf(stderr,"i_/o_ Output sequence to designate JIS-kanji/ASCII (DEFAULT B)\n"); - fprintf(stderr,"r {de/en}crypt ROT13/47\n"); - fprintf(stderr,"h 1 hirakana->katakana, 2 katakana->hirakana,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 1: Kankaku to space,2: 2 spaces,\n"); - fprintf(stderr," 3: Convert 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,"d,c Delete \\r in line feed and \\032, Add \\r in line feed\n"); - fprintf(stderr,"I Convert non ISO-2022-JP charactor to GETA\n"); - fprintf(stderr,"-L[uwm] line mode u:LF w:CRLF m:CR (DEFAULT noconversion)\n"); - fprintf(stderr,"long name options\n"); - fprintf(stderr," --fj,--unix,--mac,--windows convert for the system\n"); - fprintf(stderr," --jis,--euc,--sjis,--utf8,--utf16,--mime,--base64 convert for the code\n"); - fprintf(stderr," --help,--version\n"); - version(); + case 'V': + show_configuration(); + exit(1); + break; + case 'v': + usage(); + exit(1); + break; +#endif +#ifdef UTF8_OUTPUT_ENABLE + case 'w': /* UTF-8 output */ + if (cp[0] == '8') { + cp++; + if (cp[0] == '0'){ + cp++; + output_encoding = nkf_enc_from_index(UTF_8N); + } else { + output_bom_f = TRUE; + output_encoding = nkf_enc_from_index(UTF_8_BOM); + } + } else { + int enc_idx; + if ('1'== cp[0] && '6'==cp[1]) { + cp += 2; + enc_idx = UTF_16; + } else if ('3'== cp[0] && '2'==cp[1]) { + cp += 2; + enc_idx = UTF_32; + } else { + output_encoding = nkf_enc_from_index(UTF_8); + continue; + } + if (cp[0]=='L') { + cp++; + output_endian = ENDIAN_LITTLE; + } else if (cp[0] == 'B') { + cp++; + } else { + output_encoding = nkf_enc_from_index(enc_idx); + continue; + } + if (cp[0] == '0'){ + cp++; + enc_idx = enc_idx == UTF_16 + ? (output_endian == ENDIAN_LITTLE ? UTF_16LE : UTF_16BE) + : (output_endian == ENDIAN_LITTLE ? UTF_32LE : UTF_32BE); + } else { + output_bom_f = TRUE; + enc_idx = enc_idx == UTF_16 + ? (output_endian == ENDIAN_LITTLE ? UTF_16LE_BOM : UTF_16BE_BOM) + : (output_endian == ENDIAN_LITTLE ? UTF_32LE_BOM : UTF_32BE_BOM); + } + output_encoding = nkf_enc_from_index(enc_idx); + } + continue; +#endif +#ifdef UTF8_INPUT_ENABLE + case 'W': /* UTF input */ + if (cp[0] == '8') { + cp++; + input_encoding = nkf_enc_from_index(UTF_8); + }else{ + int enc_idx; + if ('1'== cp[0] && '6'==cp[1]) { + cp += 2; + input_endian = ENDIAN_BIG; + enc_idx = UTF_16; + } else if ('3'== cp[0] && '2'==cp[1]) { + cp += 2; + input_endian = ENDIAN_BIG; + enc_idx = UTF_32; + } else { + input_encoding = nkf_enc_from_index(UTF_8); + continue; + } + if (cp[0]=='L') { + cp++; + input_endian = ENDIAN_LITTLE; + } else if (cp[0] == 'B') { + cp++; + input_endian = ENDIAN_BIG; + } + enc_idx = (enc_idx == UTF_16 + ? (input_endian == ENDIAN_LITTLE ? UTF_16LE : UTF_16BE) + : (input_endian == ENDIAN_LITTLE ? UTF_32LE : UTF_32BE)); + input_encoding = nkf_enc_from_index(enc_idx); + } + continue; +#endif + /* Input code assumption */ + case 'J': /* ISO-2022-JP input */ + input_encoding = nkf_enc_from_index(ISO_2022_JP); + continue; + case 'E': /* EUC-JP input */ + input_encoding = nkf_enc_from_index(EUCJP_NKF); + continue; + case 'S': /* Windows-31J input */ + input_encoding = nkf_enc_from_index(WINDOWS_31J); + continue; + case 'Z': /* Convert X0208 alphabet to asii */ + /* alpha_f + bit:0 Convert JIS X 0208 Alphabet to ASCII + bit:1 Convert Kankaku to one space + bit:2 Convert Kankaku to two spaces + bit:3 Convert HTML Entity + bit:4 Convert JIS X 0208 Katakana to JIS X 0201 Katakana + */ + while ('0'<= *cp && *cp <='9') { + alpha_f |= 1 << (*cp++ - '0'); + } + if (!alpha_f) alpha_f = 1; + continue; + case 'x': /* Convert X0201 kana to X0208 or X0201 Conversion */ + x0201_f = FALSE; /* No X0201->X0208 conversion */ + /* accept X0201 + ESC-(-I in JIS, EUC, MS Kanji + SI/SO in JIS, EUC, MS Kanji + SS2 in EUC, JIS, not in MS Kanji + MS Kanji (0xa0-0xdf) + output X0201 + ESC-(-I in JIS (0x20-0x5f) + SS2 in EUC (0xa0-0xdf) + 0xa0-0xd in MS Kanji (0xa0-0xdf) + */ + continue; + case 'X': /* Convert X0201 kana to X0208 */ + x0201_f = TRUE; + continue; + case 'F': /* prserve new lines */ + fold_preserve_f = TRUE; + case 'f': /* folding -f60 or -f */ + fold_f = TRUE; + fold_len = 0; + while('0'<= *cp && *cp <='9') { /* we don't use atoi here */ + fold_len *= 10; + fold_len += *cp++ - '0'; + } + if (!(0= *cp && *cp>='0') + broken_f |= 1<<(*cp++ -'0'); + else + broken_f |= TRUE; + continue; +#ifndef PERL_XS + case 'O':/* for Output file */ + file_out_f = TRUE; + continue; +#endif + case 'c':/* add cr code */ + eolmode_f = CRLF; + continue; + case 'd':/* delete cr code */ + eolmode_f = LF; + continue; + case 'I': /* ISO-2022-JP output */ + iso2022jp_f = TRUE; + continue; + case 'L': /* line mode */ + if (*cp=='u') { /* unix */ + eolmode_f = LF; cp++; + } else if (*cp=='m') { /* mac */ + eolmode_f = CR; cp++; + } else if (*cp=='w') { /* windows */ + eolmode_f = CRLF; cp++; + } else if (*cp=='0') { /* no conversion */ + eolmode_f = 0; cp++; + } + continue; +#ifndef PERL_XS + case 'g': + if ('2' <= *cp && *cp <= '9') { + guess_f = 2; + cp++; + } else if (*cp == '0' || *cp == '1') { + guess_f = 1; + cp++; + } else { + guess_f = 1; + } + continue; +#endif + case SP: + /* module muliple options in a string are allowed for Perl moudle */ + while(*cp && *cp++!='-'); + continue; + default: +#if !defined(PERL_XS) && !defined(WIN32DLL) + fprintf(stderr, "unknown option: -%c\n", *(cp-1)); +#endif + /* bogus option but ignored */ + return -1; + } + } + return 0; } -void -version() +#ifdef WIN32DLL +#include "nkf32dll.c" +#elif defined(PERL_XS) +#else /* WIN32DLL */ +int +main(int argc, char **argv) { - fprintf(stderr,"Network Kanji Filter Version %s (%s) " -#if defined(MSDOS) && !defined(_Windows) - "for DOS" + FILE *fin; + unsigned char *cp; + + char *outfname = NULL; + char *origfname; + +#ifdef EASYWIN /*Easy Win */ + _BufferSize.y = 400;/*Set Scroll Buffer Size*/ +#endif +#ifdef DEFAULT_CODE_LOCALE + setlocale(LC_CTYPE, ""); +#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 !defined(__WIN32__) && defined(_Windows) - "for Win16" + } + + if (guess_f) { +#ifdef CHECK_OPTION + int debug_f_back = debug_f; #endif -#if defined(__WIN32__) && defined(_Windows) - "for Win32" +#ifdef EXEC_IO + int exec_f_back = exec_f; #endif -#ifdef __OS2__ - "for OS/2" +#ifdef X0212_ENABLE + int x0212_f_back = x0212_f; #endif - ,Version,Patchlevel); - fprintf(stderr,"\n%s\n",CopyRight); -} + int x0213_f_back = x0213_f; + int guess_f_back = guess_f; + reinit(); + guess_f = guess_f_back; + mime_f = FALSE; +#ifdef CHECK_OPTION + debug_f = debug_f_back; +#endif +#ifdef EXEC_IO + exec_f = exec_f_back; #endif + x0212_f = x0212_f_back; + x0213_f = x0213_f_back; + } -/** - ** 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) - ** - ** 最終更新日 - ** 2002.9.24 - **/ + if (binmode_f == TRUE) +#if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__)) + if (freopen("","wb",stdout) == NULL) + return (-1); +#else + setbinmode(stdout); +#endif -/* end */ + 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--) { + input_codename = NULL; + input_eol = 0; +#ifdef CHECK_OPTION + iconv_for_check = 0; +#endif + if ((fin = fopen((origfname = *argv++), "r")) == NULL) { + perror(*(argv-1)); + 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); + } + free(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 */