X-Git-Url: http://git.sourceforge.jp/view?p=nkf%2Fnkf.git;a=blobdiff_plain;f=nkf.c;h=014b3fd334769506e4f2434f2ac8a478448c58d5;hp=8a4b71a0ec006b20b256b537ba62a0ac7192bb13;hb=d0d73878d62a33d23592aadc4a0f59360683aa27;hpb=0f38363f417146fb7d44ac75eaf34001ada0d688 diff --git a/nkf.c b/nkf.c index 8a4b71a..014b3fd 100644 --- a/nkf.c +++ b/nkf.c @@ -1,290 +1,301 @@ -/** Network Kanji Filter. (PDS Version) -************************************************************************ -** Copyright (C) 1987, Fujitsu LTD. (Itaru ICHIKAWA) -** 連絡先： （株）富士通研究所　ソフト３研　市川　至 -** （E-Mail Address: ichikawa@flab.fujitsu.co.jp） -** Copyright (C) 1996,1998 -** Copyright (C) 2002 -** 連絡先： 琉球大学情報工学科 河野 真治 mime/X0208 support -** （E-Mail Address: kono@ie.u-ryukyu.ac.jp） -** 連絡先： COW for DOS & Win16 & Win32 & OS/2 -** （E-Mail Address: GHG00637@niftyserve.or.p） -** -** このソースのいかなる複写，改変，修正も許諾します。ただし、 -** その際には、誰が貢献したを示すこの部分を残すこと。 -** 再配布や雑誌の付録などの問い合わせも必要ありません。 -** 営利利用も上記に反しない範囲で許可します。 -** バイナリの配布の際にはversion messageを保存することを条件とします。 -** このプログラムについては特に何の保証もしない、悪しからず。 -** -** Everyone is permitted to do anything on this program -** including copying, modifying, improving, -** as long as you don't try to pretend that you wrote it. -** i.e., the above copyright notice has to appear in all copies. -** Binary distribution requires original version messages. -** You don't have to ask before copying, redistribution or publishing. -** THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE. -***********************************************************************/ - -/*********************************************************************** -** UTF-8 サポートについて -** 従来の nkf と入れかえてそのまま使えるようになっています -** nkf -e などとして起動すると、自動判別で UTF-8 と判定されれば、 -** そのまま euc-jp に変換されます -** -** まだバグがある可能性が高いです。 -** (特に自動判別、コード混在、エラー処理系) -** -** 何か問題を見つけたら、 -** E-Mail: furukawa@tcp-ip.or.jp -** まで御連絡をお願いします。 -***********************************************************************/ -/* $Id: nkf.c,v 1.117 2006/11/04 14:35:25 naruse Exp $ */ +/* + * Copyright (c) 1987, Fujitsu LTD. (Itaru ICHIKAWA). + * Copyright (c) 1996-2009, The nkf Project. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ #define NKF_VERSION "2.0.8" -#define NKF_RELEASE_DATE "2006-11-04" -#include "config.h" -#include "utf8tbl.h" - +#define NKF_RELEASE_DATE "2009-01-05" #define COPY_RIGHT \ - "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),2000 S. Kono, COW\n" \ - "Copyright (C) 2002-2006 Kono, Furukawa, Naruse, mastodon" - - -/* -** -** -** -** USAGE: nkf [flags] [file] -** -** Flags: -** b Output is buffered (DEFAULT) -** u Output is unbuffered -** -** t no operation -** -** j Output code is JIS 7 bit (DEFAULT SELECT) -** s Output code is MS Kanji (DEFAULT SELECT) -** e Output code is AT&T JIS (DEFAULT SELECT) -** w Output code is AT&T JIS (DEFAULT SELECT) -** l Output code is JIS 7bit and ISO8859-1 Latin-1 -** -** m MIME conversion for ISO-2022-JP -** I Convert non ISO-2022-JP charactor to GETA by Pekoe -** i_ Output sequence to designate JIS-kanji (DEFAULT_J) -** o_ Output sequence to designate single-byte roman characters (DEFAULT_R) -** M MIME output conversion -** -** r {de/en}crypt ROT13/47 -** -** v display Version -** -** T Text mode output (for MS-DOS) -** -** x Do not convert X0201 kana into X0208 -** Z Convert X0208 alphabet to ASCII -** -** f60 fold option -** -** m MIME decode -** B try to fix broken JIS, missing Escape -** B[1-9] broken level -** -** O Output to 'nkf.out' file or last file name -** d Delete \r in line feed -** c Add \r in line feed -** -- other long option -** -- ignore following option (don't use with -O ) -** -**/ - -#if (defined(__TURBOC__) || defined(_MSC_VER) || defined(LSI_C) || defined(__MINGW32__) || defined(__EMX__) || defined(__MSDOS__) || defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)) && !defined(MSDOS) -#define MSDOS -#if (defined(__Win32__) || defined(_WIN32)) && !defined(__WIN32__) -#define __WIN32__ -#endif -#endif - -#ifdef PERL_XS -#undef OVERWRITE -#endif - -#ifndef PERL_XS -#include -#endif - -#include -#include - -#if defined(MSDOS) || defined(__OS2__) -#include -#include -#if defined(_MSC_VER) || defined(__WATCOMC__) -#define mktemp _mktemp -#endif -#endif - -#ifdef MSDOS -#ifdef LSI_C -#define setbinmode(fp) fsetbin(fp) -#elif defined(__DJGPP__) -#include -#define setbinmode(fp) djgpp_setbinmode(fp) -#else /* Microsoft C, Turbo C */ -#define setbinmode(fp) setmode(fileno(fp), O_BINARY) -#endif -#else /* UNIX */ -#define setbinmode(fp) -#endif - -#if defined(__DJGPP__) -void djgpp_setbinmode(FILE *fp) -{ - /* we do not use libc's setmode(), which changes COOKED/RAW mode in device. */ - int fd, m; - fd = fileno(fp); - m = (__file_handle_modes[fd] & (~O_TEXT)) | O_BINARY; - __file_handle_set(fd, m); -} -#endif - -#ifdef _IOFBF /* SysV and MSDOS, Windows */ -#define setvbuffer(fp, buf, size) setvbuf(fp, buf, _IOFBF, size) -#else /* BSD */ -#define setvbuffer(fp, buf, size) setbuffer(fp, buf, size) -#endif - -/*Borland C++ 4.5 EasyWin*/ -#if defined(__TURBOC__) && defined(_Windows) && !defined(__WIN32__) /*Easy Win */ -#define EASYWIN -#ifndef __WIN16__ -#define __WIN16__ -#endif -#include -#endif + "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa).\n" \ + "Copyright (C) 1996-2009, The nkf Project." -#ifdef OVERWRITE -/* added by satoru@isoternet.org */ -#if defined(__EMX__) -#include -#endif -#include -#if !defined(MSDOS) || defined(__DJGPP__) /* UNIX, djgpp */ -#include -#if defined(__WATCOMC__) -#include -#else -#include -#endif -#else /* defined(MSDOS) */ +#include "config.h" +#include "nkf.h" +#include "utf8tbl.h" #ifdef __WIN32__ -#ifdef __BORLANDC__ /* BCC32 */ -#include -#else /* !defined(__BORLANDC__) */ -#include -#endif /* (__BORLANDC__) */ -#else /* !defined(__WIN32__) */ -#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__WATCOMC__) || defined(__OS2__) || defined(__EMX__) || defined(__IBMC__) || defined(__IBMCPP__) /* VC++, MinGW, Watcom, emx+gcc, IBM VAC++ */ -#include -#elif defined(__TURBOC__) /* BCC */ -#include -#elif defined(LSI_C) /* LSI C */ -#endif /* (__WIN32__) */ -#endif +#include +#include #endif +#if defined(__OS2__) +# define INCL_DOS +# define INCL_DOSERRORS +# include #endif +#include -#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 -#define X0212 0x2844 -#define X0213_1 0x284F -#define X0213_2 0x2850 - -/* Input Assumption */ - -#define JIS_INPUT 4 -#define EUC_INPUT 16 -#define SJIS_INPUT 5 -#define LATIN1_INPUT 6 -#define FIXED_MIME 7 -#define STRICT_MIME 8 - /* MIME ENCODE */ -#define ISO2022JP 9 -#define JAPANESE_EUC 10 -#define SHIFT_JIS 11 - -#define UTF8 12 -#define UTF8_INPUT 13 -#define UTF16_INPUT 1015 -#define UTF32_INPUT 1017 +#define FIXED_MIME 7 +#define STRICT_MIME 8 /* byte order */ - -#define ENDIAN_BIG 1234 -#define ENDIAN_LITTLE 4321 -#define ENDIAN_2143 2143 -#define ENDIAN_3412 3412 - -#define WISH_TRUE 15 +enum byte_order { + ENDIAN_BIG = 1, + ENDIAN_LITTLE = 2, + ENDIAN_2143 = 3, + ENDIAN_3412 = 4 +}; /* ASCII CODE */ #define BS 0x08 #define TAB 0x09 -#define NL 0x0a +#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_WINDOWS_31J) +#define DEFAULT_ENCIDX WINDOWS_31J +#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 == SPACE || c == TAB) -#define nkf_isspace(c) (nkf_isblank(c) || c == CR || c == NL) +#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) (' '<=c && 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 ) + ('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 CP932_TABLE_BEGIN 0xFA -#define CP932_TABLE_END 0xFC -#define CP932INV_TABLE_BEGIN 0xED -#define CP932INV_TABLE_END 0xEE #define is_ibmext_in_sjis(c2) (CP932_TABLE_BEGIN <= c2 && c2 <= CP932_TABLE_END) +#define nkf_byte_jisx0201_katakana_p(c) (SP <= c && c < (0xE0&0x7F)) #define HOLD_SIZE 1024 #if defined(INT_IS_SHORT) @@ -296,23 +307,11 @@ void djgpp_setbinmode(FILE *fp) #define DEFAULT_J 'B' #define DEFAULT_R 'B' -#define SJ0162 0x00e1 /* 01 - 62 ku offset */ -#define SJ6394 0x0161 /* 63 - 94 ku offset */ -#define RANGE_NUM_MAX 18 #define GETA1 0x22 #define GETA2 0x2e -#if defined(UTF8_OUTPUT_ENABLE) || defined(UTF8_INPUT_ENABLE) -#define sizeof_euc_to_utf8_1byte 94 -#define sizeof_euc_to_utf8_2bytes 94 -#define sizeof_utf8_to_euc_C2 64 -#define sizeof_utf8_to_euc_E5B8 64 -#define sizeof_utf8_to_euc_2bytes 112 -#define sizeof_utf8_to_euc_3bytes 16 -#endif - /* MIME preprocessor */ #ifdef EASYWIN /*Easy Win */ @@ -320,7 +319,7 @@ extern POINT _BufferSize; #endif struct input_code{ - char *name; + const char *name; nkf_char stat; nkf_char score; nkf_char index; @@ -330,31 +329,21 @@ struct input_code{ int _file_stat; }; -static char *input_codename = ""; +static const char *input_codename = NULL; /* NULL: unestablished, "": BINARY */ +static nkf_encoding *input_encoding = NULL; +static nkf_encoding *output_encoding = NULL; -#ifndef PERL_XS -static const char *CopyRight = COPY_RIGHT; -#endif -#if !defined(PERL_XS) && !defined(WIN32DLL) -static nkf_char noconvert(FILE *f); -#endif -static void module_connection(void); -static nkf_char kanji_convert(FILE *f); -static nkf_char h_conv(FILE *f,nkf_char c2,nkf_char c1); -static nkf_char push_hold_buf(nkf_char c2); -static void set_iconv(nkf_char f, nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0)); -static nkf_char s_iconv(nkf_char c2,nkf_char c1,nkf_char c0); -static nkf_char s2e_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1); -static nkf_char e_iconv(nkf_char c2,nkf_char c1,nkf_char c0); #if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) /* UCS Mapping * 0: Shift_JIS, eucJP-ascii * 1: eucJP-ms * 2: CP932, CP51932 + * 3: CP10001 */ -#define UCS_MAP_ASCII 0 -#define UCS_MAP_MS 1 -#define UCS_MAP_CP932 2 +#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 @@ -364,48 +353,13 @@ static int no_cp932ext_f = FALSE; static int no_best_fit_chars_f = FALSE; static int input_endian = ENDIAN_BIG; static nkf_char unicode_subchar = '?'; /* the regular substitution character */ -static void nkf_each_char_to_hex(void (*f)(nkf_char c2,nkf_char c1), nkf_char c); -static void encode_fallback_html(nkf_char c); -static void encode_fallback_xml(nkf_char c); -static void encode_fallback_java(nkf_char c); -static void encode_fallback_perl(nkf_char c); -static void encode_fallback_subchar(nkf_char c); static void (*encode_fallback)(nkf_char c) = NULL; -static nkf_char w2e_conv(nkf_char c2,nkf_char c1,nkf_char c0,nkf_char *p2,nkf_char *p1); -static nkf_char w_iconv(nkf_char c2,nkf_char c1,nkf_char c0); -static nkf_char w_iconv16(nkf_char c2,nkf_char c1,nkf_char c0); -static nkf_char w_iconv32(nkf_char c2,nkf_char c1,nkf_char c0); -static nkf_char unicode_to_jis_common(nkf_char c2,nkf_char c1,nkf_char c0,nkf_char *p2,nkf_char *p1); -static nkf_char w_iconv_common(nkf_char c1,nkf_char c0,const unsigned short *const *pp,nkf_char psize,nkf_char *p2,nkf_char *p1); -static void w16w_conv(nkf_char val, nkf_char *p2, nkf_char *p1, nkf_char *p0); -static nkf_char ww16_conv(nkf_char c2, nkf_char c1, nkf_char c0); -static nkf_char w16e_conv(nkf_char val,nkf_char *p2,nkf_char *p1); static void w_status(struct input_code *, nkf_char); #endif #ifdef UTF8_OUTPUT_ENABLE static int output_bom_f = FALSE; static int output_endian = ENDIAN_BIG; -static nkf_char e2w_conv(nkf_char c2,nkf_char c1); -static void w_oconv(nkf_char c2,nkf_char c1); -static void w_oconv16(nkf_char c2,nkf_char c1); -static void w_oconv32(nkf_char c2,nkf_char c1); -#endif -static void e_oconv(nkf_char c2,nkf_char c1); -static nkf_char e2s_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1); -static void s_oconv(nkf_char c2,nkf_char c1); -static void j_oconv(nkf_char c2,nkf_char c1); -static void fold_conv(nkf_char c2,nkf_char c1); -static void cr_conv(nkf_char c2,nkf_char c1); -static void z_conv(nkf_char c2,nkf_char c1); -static void rot_conv(nkf_char c2,nkf_char c1); -static void hira_conv(nkf_char c2,nkf_char c1); -static void base64_conv(nkf_char c2,nkf_char c1); -static void iso2022jp_check_conv(nkf_char c2,nkf_char c1); -static void no_connection(nkf_char c2,nkf_char c1); -static nkf_char no_connection2(nkf_char c2,nkf_char c1,nkf_char c0); - -static void code_score(struct input_code *ptr); -static void code_status(nkf_char c); +#endif static void std_putc(nkf_char c); static nkf_char std_getc(FILE *f); @@ -414,32 +368,9 @@ static nkf_char std_ungetc(nkf_char c,FILE *f); static nkf_char broken_getc(FILE *f); static nkf_char broken_ungetc(nkf_char c,FILE *f); -static nkf_char mime_begin(FILE *f); static nkf_char mime_getc(FILE *f); -static nkf_char mime_ungetc(nkf_char c,FILE *f); - -static void switch_mime_getc(void); -static void unswitch_mime_getc(void); -static nkf_char mime_begin_strict(FILE *f); -static nkf_char mime_getc_buf(FILE *f); -static nkf_char mime_ungetc_buf(nkf_char c,FILE *f); -static nkf_char mime_integrity(FILE *f,const unsigned char *p); - -static nkf_char base64decode(nkf_char c); -static void mime_prechar(nkf_char c2, nkf_char c1); -static void mime_putc(nkf_char c); -static void open_mime(nkf_char c); -static void close_mime(void); -static void eof_mime(void); -static void mimeout_addchar(nkf_char c); -#ifndef PERL_XS -static void usage(void); -static void version(void); -#endif -static void options(unsigned char *c); -#if defined(PERL_XS) || defined(WIN32DLL) -static void reinit(void); -#endif + +static void mime_putc(nkf_char c); /* buffers */ @@ -447,19 +378,6 @@ static void reinit(void); static unsigned char stdibuf[IOBUF_SIZE]; static unsigned char stdobuf[IOBUF_SIZE]; #endif -static unsigned char hold_buf[HOLD_SIZE*2]; -static int hold_count = 0; - -/* MIME preprocessor fifo */ - -#define MIME_BUF_SIZE (1024) /* 2^n ring buffer */ -#define MIME_BUF_MASK (MIME_BUF_SIZE-1) -#define Fifo(n) mime_buf[(n)&MIME_BUF_MASK] -static unsigned char mime_buf[MIME_BUF_SIZE]; -static unsigned int mime_top = 0; -static unsigned int mime_last = 0; /* decoded */ -static unsigned int mime_input = 0; /* undecoded */ -static nkf_char (*mime_iconv_back)(nkf_char c2,nkf_char c1,nkf_char c0) = NULL; /* flags */ static int unbuf_f = FALSE; @@ -468,79 +386,60 @@ 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 */ +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; -static nkf_char nfc_getc(FILE *f); -static nkf_char nfc_ungetc(nkf_char c,FILE *f); #endif #ifdef INPUT_OPTION static int cap_f = FALSE; static nkf_char (*i_cgetc)(FILE *) = std_getc; /* input of cgetc */ static nkf_char (*i_cungetc)(nkf_char c ,FILE *f) = std_ungetc; -static nkf_char cap_getc(FILE *f); -static nkf_char cap_ungetc(nkf_char c,FILE *f); static int url_f = FALSE; static nkf_char (*i_ugetc)(FILE *) = std_getc; /* input of ugetc */ static nkf_char (*i_uungetc)(nkf_char c ,FILE *f) = std_ungetc; -static nkf_char url_getc(FILE *f); -static nkf_char url_ungetc(nkf_char c,FILE *f); #endif -#if defined(INT_IS_SHORT) -#define NKF_INT32_C(n) (n##L) -#else -#define NKF_INT32_C(n) (n) -#endif -#define PREFIX_EUCG3 NKF_INT32_C(0x8F00) -#define CLASS_MASK NKF_INT32_C(0xFF000000) -#define CLASS_UNICODE NKF_INT32_C(0x01000000) -#define VALUE_MASK NKF_INT32_C(0x00FFFFFF) -#define UNICODE_MAX NKF_INT32_C(0x0010FFFF) -#define is_unicode_capsule(c) ((c & CLASS_MASK) == CLASS_UNICODE) -#define is_unicode_bmp(c) ((c & VALUE_MASK) <= NKF_INT32_C(0xFFFF)) +#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) <= UNICODE_BMP_MAX) +#define nkf_char_unicode_value_p(c) ((c & VALUE_MASK) <= 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; -static nkf_char numchar_getc(FILE *f); -static nkf_char numchar_ungetc(nkf_char c,FILE *f); #endif #ifdef CHECK_OPTION static int noout_f = FALSE; static void no_putc(nkf_char c); -static nkf_char debug_f = FALSE; +static int debug_f = FALSE; static void debug(const char *str); static nkf_char (*iconv_for_check)(nkf_char c2,nkf_char c1,nkf_char c0) = 0; #endif -static int guess_f = FALSE; -#if !defined PERL_XS -static void print_guessed_code(char *filename); -#endif -static void set_input_codename(char *codename); -static int is_inputcode_mixed = FALSE; -static int is_inputcode_set = FALSE; +static int guess_f = 0; /* 0: OFF, 1: ON, 2: VERBOSE */ +static void set_input_codename(const char *codename); #ifdef EXEC_IO static int exec_f = 0; @@ -548,7 +447,7 @@ static int exec_f = 0; #ifdef SHIFTJIS_CP932 /* invert IBM extended characters to others */ -static int cp51932_f = TRUE; +static int cp51932_f = FALSE; /* invert NEC-selected IBM extended characters to IBM extended characters */ static int cp932inv_f = TRUE; @@ -556,23 +455,11 @@ static int cp932inv_f = TRUE; /* static nkf_char cp932_conv(nkf_char c2, nkf_char c1); */ #endif /* SHIFTJIS_CP932 */ -#ifdef X0212_ENABLE static int x0212_f = FALSE; -static nkf_char x0212_shift(nkf_char c); -static nkf_char x0212_unshift(nkf_char c); -#endif static int x0213_f = FALSE; static unsigned char prefix_table[256]; -static void set_code_score(struct input_code *ptr, nkf_char score); -static void clr_code_score(struct input_code *ptr, nkf_char score); -static void status_disable(struct input_code *ptr); -static void status_push_ch(struct input_code *ptr, nkf_char c); -static void status_clear(struct input_code *ptr); -static void status_reset(struct input_code *ptr); -static void status_reinit(struct input_code *ptr); -static void status_check(struct input_code *ptr, nkf_char c); static void e_status(struct input_code *, nkf_char); static void s_status(struct input_code *, nkf_char); @@ -581,13 +468,11 @@ struct input_code input_code_list[] = { {"Shift_JIS", 0, 0, 0, {0, 0, 0}, s_status, s_iconv, 0}, #ifdef UTF8_INPUT_ENABLE {"UTF-8", 0, 0, 0, {0, 0, 0}, w_status, w_iconv, 0}, - {"UTF-16", 0, 0, 0, {0, 0, 0}, NULL, w_iconv16, 0}, - {"UTF-32", 0, 0, 0, {0, 0, 0}, NULL, w_iconv32, 0}, #endif {0} }; -static int mimeout_mode = 0; +static int mimeout_mode = 0; /* 0, -1, 'Q', 'B', 1, 2 */ static int base64_count = 0; /* X0208 -> ASCII converter */ @@ -610,31 +495,28 @@ static unsigned char ascii_intro = DEFAULT_R; 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)(nkf_char c2,nkf_char c1) = DEFAULT_CONV; +static void +no_connection(nkf_char c2, nkf_char c1) +{ + no_connection2(c2,c1,0); +} -static void (*oconv)(nkf_char c2,nkf_char c1) = no_connection; -/* s_iconv or oconv */ static nkf_char (*iconv)(nkf_char c2,nkf_char c1,nkf_char c0) = no_connection2; +static void (*oconv)(nkf_char c2,nkf_char 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_crconv)(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; @@ -660,17 +542,15 @@ 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 const -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, @@ -692,8 +572,7 @@ unsigned char cv[]= { /* X0201 kana conversion table for daguten */ /* 90-9F A0-DF */ -static const -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, @@ -714,8 +593,7 @@ unsigned char dv[]= { /* X0201 kana conversion table for han-daguten */ /* 90-9F A0-DF */ -static const -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, @@ -737,8 +615,7 @@ unsigned char ev[]= { /* X0208 kigou conversion table */ /* 0x8140 - 0x819e */ -static const -unsigned char fv[] = { +static const unsigned char fv[] = { 0x00,0x00,0x00,0x00,0x2c,0x2e,0x00,0x3a, 0x3b,0x3f,0x21,0x00,0x00,0x27,0x60,0x00, @@ -755,283 +632,375 @@ unsigned char fv[] = { } ; -#define CRLF 1 +static int option_mode = 0; static int file_out_f = FALSE; #ifdef OVERWRITE static int overwrite_f = FALSE; static int preserve_time_f = FALSE; static int backup_f = FALSE; static char *backup_suffix = ""; -static char *get_backup_filename(const char *suffix, const char *filename); #endif -static int crmode_f = 0; /* CR, NL, CRLF */ +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 */ -#define STD_GC_BUFSIZE (256) -nkf_char std_gc_buf[STD_GC_BUFSIZE]; -nkf_char std_gc_ndx; +static void * +nkf_xmalloc(size_t size) +{ + void *ptr; -#ifdef WIN32DLL -#include "nkf32dll.c" -#elif defined(PERL_XS) -#else /* WIN32DLL */ -int main(int argc, char **argv) + if (size == 0) size = 1; + + ptr = malloc(size); + if (ptr == NULL) { + perror("can't malloc"); + exit(EXIT_FAILURE); + } + + return ptr; +} + +static void * +nkf_xrealloc(void *ptr, size_t size) { - FILE *fin; - unsigned char *cp; + if (size == 0) size = 1; - char *outfname = NULL; - char *origfname; + ptr = realloc(ptr, size); + if (ptr == NULL) { + perror("can't realloc"); + exit(EXIT_FAILURE); + } -#ifdef EASYWIN /*Easy Win */ - _BufferSize.y = 400;/*Set Scroll Buffer Size*/ + return ptr; +} + +#define nkf_xfree(ptr) free(ptr) + +static int +nkf_str_caseeql(const char *src, const char *target) +{ + 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; +} + +static nkf_encoding* +nkf_enc_from_index(int idx) +{ + if (idx < 0 || NKF_ENCODING_TABLE_SIZE <= idx) { + return 0; + } + return &nkf_encoding_table[idx]; +} + +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; + } + } + 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 const char* +nkf_locale_charmap() +{ +#ifdef HAVE_LANGINFO_H + return nl_langinfo(CODESET); +#elif defined(__WIN32__) + static char buf[16]; + sprintf(buf, "CP%d", GetACP()); + return buf; +#elif defined(__OS2__) +# if defined(INT_IS_SHORT) + /* OS/2 1.x */ + return NULL; +# else + /* OS/2 32bit */ + static char buf[16]; + ULONG ulCP[1], ulncp; + DosQueryCp(sizeof(ulCP), ulCP, &ulncp); + if (ulCP[0] == 932 || ulCP[0] == 943) + strcpy(buf, "Shift_JIS"); + else + sprintf(buf, "CP%lu", ulCP[0]); + return buf; +# endif #endif + return NULL; +} - for (argc--,argv++; (argc > 0) && **argv == '-'; argc--, argv++) { - cp = (unsigned char *)*argv; - options(cp); -#ifdef EXEC_IO - if (exec_f){ - int fds[2], pid; - if (pipe(fds) < 0 || (pid = fork()) < 0){ - abort(); - } - if (pid == 0){ - if (exec_f > 0){ - close(fds[0]); - dup2(fds[1], 1); - }else{ - close(fds[1]); - dup2(fds[0], 0); - } - execvp(argv[1], &argv[1]); - } - if (exec_f > 0){ - close(fds[1]); - dup2(fds[0], 0); - }else{ - close(fds[0]); - dup2(fds[1], 1); - } - argc = 0; - break; - } -#endif - } - if(x0201_f == WISH_TRUE) - x0201_f = ((!iso2022jp_f)? TRUE : NO_X0201); +static nkf_encoding* +nkf_locale_encoding() +{ + nkf_encoding *enc = 0; + const char *encname = nkf_locale_charmap(); + if (encname) + enc = nkf_enc_find(encname); + return enc; +} +#endif /* DEFAULT_CODE_LOCALE */ - if (binmode_f == TRUE) -#if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__)) - if (freopen("","wb",stdout) == NULL) - return (-1); -#else - setbinmode(stdout); +static nkf_encoding* +nkf_utf8_encoding() +{ + return &nkf_encoding_table[UTF_8]; +} + +static nkf_encoding* +nkf_default_encoding() +{ + nkf_encoding *enc = 0; +#ifdef DEFAULT_CODE_LOCALE + enc = nkf_locale_encoding(); +#elif defined(DEFAULT_ENCIDX) + enc = nkf_enc_from_index(DEFAULT_ENCIDX); +#endif + if (!enc) enc = nkf_utf8_encoding(); + return enc; +} + +typedef struct { + long capa; + long len; + unsigned char *ptr; +} nkf_buf_t; + +static nkf_buf_t * +nkf_buf_new(int length) +{ + nkf_buf_t *buf = nkf_xmalloc(sizeof(nkf_buf_t)); + buf->ptr = nkf_xmalloc(length); + buf->capa = length; + buf->len = 0; + return buf; +} + +static void +nkf_buf_dispose(nkf_buf_t *buf) +{ + nkf_xfree(buf->ptr); + nkf_xfree(buf); +} + +#define nkf_buf_length(buf) ((buf)->len) +#define nkf_buf_empty_p(buf) ((buf)->len == 0) + +static unsigned char +nkf_buf_at(nkf_buf_t *buf, int index) +{ + assert(index <= buf->len); + return buf->ptr[index]; +} + +static void +nkf_buf_clear(nkf_buf_t *buf) +{ + buf->len = 0; +} + +static void +nkf_buf_push(nkf_buf_t *buf, unsigned char c) +{ + if (buf->capa <= buf->len) { + exit(EXIT_FAILURE); + } + buf->ptr[buf->len++] = c; +} + +static unsigned char +nkf_buf_pop(nkf_buf_t *buf) +{ + assert(!nkf_buf_empty_p(buf)); + return buf->ptr[--buf->len]; +} + +/* Normalization Form C */ +#ifndef PERL_XS +#ifdef WIN32DLL +#define fprintf dllprintf #endif - if (unbuf_f) - setbuf(stdout, (char *) NULL); - else - setvbuffer(stdout, (char *) stdobuf, IOBUF_SIZE); +static void +version(void) +{ + fprintf(HELP_OUTPUT,"Network Kanji Filter Version " NKF_VERSION " (" NKF_RELEASE_DATE ") \n" COPY_RIGHT "\n"); +} - if (argc == 0) { - if (binmode_f == TRUE) -#if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__)) - if (freopen("","rb",stdin) == NULL) return (-1); -#else - setbinmode(stdin); -#endif - setvbuffer(stdin, (char *) stdibuf, IOBUF_SIZE); - if (nop_f) - noconvert(stdin); - else { - kanji_convert(stdin); - if (guess_f) print_guessed_code(NULL); - } - } else { - int nfiles = argc; - int is_argument_error = FALSE; - while (argc--) { - is_inputcode_mixed = FALSE; - is_inputcode_set = FALSE; - input_codename = ""; -#ifdef CHECK_OPTION - iconv_for_check = 0; +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 - if ((fin = fopen((origfname = *argv++), "r")) == NULL) { - perror(*--argv); - *argv++; - is_argument_error = TRUE; - continue; - } else { -#ifdef OVERWRITE - int fd = 0; - int fd_backup = 0; + "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" + ); + fprintf(HELP_OUTPUT, + "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" + ); + fprintf(HELP_OUTPUT, + "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" + ); + fprintf(HELP_OUTPUT, +#ifdef MSDOS + "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"); + fprintf(HELP_OUTPUT, + "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" + ); + fprintf(HELP_OUTPUT, +#ifdef INPUT_OPTION + " --cap-input, --url-input Convert hex after ':' or '%%'\n" #endif - -/* reopen file for stdout */ - if (file_out_f == TRUE) { +#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 + ); + fprintf(HELP_OUTPUT, #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); + " --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" + " 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 defined(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) { -#if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__)) - 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); + "LF" #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); - } + "\n" + " Decode MIME encoded string: " +#if MIME_DECODE_DEFAULT + "ON" #else - tb.actime = sb.st_atime; - tb.modtime = sb.st_mtime; - if (utime(outfname, &tb)) { - fprintf(stderr, "Can't set timestamp %s\n", outfname); - } + "OFF" #endif - } - if(backup_f){ - char *backup_filename = get_backup_filename(backup_suffix, origfname); -#ifdef MSDOS - unlink(backup_filename); + "\n" + " Convert JIS X 0201 Katakana: " +#if X0201_DEFAULT + "ON" +#else + "OFF" #endif - if (rename(origfname, backup_filename)) { - perror(backup_filename); - fprintf(stderr, "Can't rename %s to %s\n", - origfname, backup_filename); - } - }else{ -#ifdef MSDOS - if (unlink(origfname)){ - perror(origfname); - } + "\n" + " --help, --version output: " +#if HELP_OUTPUT_HELP_OUTPUT + "HELP_OUTPUT" +#else + "STDOUT" #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); + "\n"); } -#endif /* WIN32DLL */ +#endif /*PERL_XS*/ #ifdef OVERWRITE -char *get_backup_filename(const char *suffix, const char *filename) +static char* +get_backup_filename(const char *suffix, const char *filename) { char *backup_filename; int asterisk_count = 0; @@ -1043,12 +1012,7 @@ char *get_backup_filename(const char *suffix, const char *filename) } 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; - } - + backup_filename = nkf_xmalloc(strlen(suffix) + (asterisk_count * (filename_length - 1)) + 1); for(i = 0, j = 0; suffix[i];){ if(suffix[i] == '*'){ backup_filename[j] = '\0'; @@ -1061,8 +1025,8 @@ char *get_backup_filename(const char *suffix, const char *filename) } backup_filename[j] = '\0'; }else{ - j = strlen(suffix) + filename_length; - backup_filename = malloc( + 1); + j = filename_length + strlen(suffix); + backup_filename = nkf_xmalloc(j + 1); strcpy(backup_filename, filename); strcat(backup_filename, suffix); backup_filename[j] = '\0'; @@ -1071,8 +1035,102 @@ char *get_backup_filename(const char *suffix, const char *filename) } #endif -static const -struct { +#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[] = { @@ -1097,7 +1155,8 @@ struct { {"hiragana","h1"}, {"katakana","h2"}, {"katakana-hiragana","h3"}, - {"guess", "g"}, + {"guess=", ""}, + {"guess", "g2"}, {"cp932", ""}, {"no-cp932", ""}, #ifdef X0212_ENABLE @@ -1151,3478 +1210,2513 @@ struct { {"prefix=", ""}, }; -static int option_mode = 0; - -void options(unsigned char *cp) +static void +set_input_encoding(nkf_encoding *enc) { - nkf_char i, j; - unsigned char *p; - unsigned char *cp_back = NULL; - char codeset[32]; - - if (option_mode==1) - return; - while(*cp && *cp++!='-'); - while (*cp || cp_back) { - if(!*cp){ - cp = cp_back; - cp_back = NULL; - continue; - } - p = 0; - switch (*cp++) { - case '-': /* literal options */ - if (!*cp || *cp == SPACE) { /* ignore the rest of arguments */ - option_mode = 1; - return; - } - for (i=0;iname){ + if (iconv_func == p->iconv_func){ + return p; + } + p++; + } + } + return 0; +} + +static void +set_iconv(nkf_char f, nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0)) +{ +#ifdef INPUT_CODE_FIX + if (f || !input_encoding) #endif -#ifdef UTF8_OUTPUT_ENABLE - ms_ucs_map_f = UCS_MAP_ASCII; + if (estab_f != f){ + estab_f = f; + } + + if (iconv_func +#ifdef INPUT_CODE_FIX + && (f == -TRUE || !input_encoding) /* -TRUE means "FORCE" */ #endif - continue; - } -#ifdef SHIFTJIS_CP932 - if (strcmp(long_option[i].name, "cp932inv") == 0){ - cp932inv_f = TRUE; - continue; - } + ){ + 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 +} #ifdef X0212_ENABLE - if (strcmp(long_option[i].name, "x0212") == 0){ - x0212_f = TRUE; - continue; - } -#endif +static nkf_char +x0212_shift(nkf_char c) +{ + nkf_char ret = c; + c &= 0x7f; + if (is_eucg3(ret)){ + if (0x75 <= c && c <= 0x7f){ + ret = c + (0x109 - 0x75); + } + }else{ + if (0x75 <= c && c <= 0x7f){ + ret = c + (0x113 - 0x75); + } + } + return ret; +} -#ifdef EXEC_IO - if (strcmp(long_option[i].name, "exec-in") == 0){ - exec_f = 1; - return; - } - if (strcmp(long_option[i].name, "exec-out") == 0){ - exec_f = -1; - return; - } -#endif -#if defined(UTF8_OUTPUT_ENABLE) && defined(UTF8_INPUT_ENABLE) - if (strcmp(long_option[i].name, "no-cp932ext") == 0){ - no_cp932ext_f = TRUE; - continue; - } - if (strcmp(long_option[i].name, "no-best-fit-chars") == 0){ - no_best_fit_chars_f = TRUE; - continue; - } - if (strcmp(long_option[i].name, "fb-skip") == 0){ - encode_fallback = NULL; - continue; - } - if (strcmp(long_option[i].name, "fb-html") == 0){ - encode_fallback = encode_fallback_html; - continue; - } - if (strcmp(long_option[i].name, "fb-xml" ) == 0){ - encode_fallback = encode_fallback_xml; - continue; - } - if (strcmp(long_option[i].name, "fb-java") == 0){ - encode_fallback = encode_fallback_java; - continue; - } - if (strcmp(long_option[i].name, "fb-perl") == 0){ - encode_fallback = encode_fallback_perl; - continue; - } - if (strcmp(long_option[i].name, "fb-subchar") == 0){ - encode_fallback = encode_fallback_subchar; - continue; - } - if (strcmp(long_option[i].name, "fb-subchar=") == 0){ - encode_fallback = encode_fallback_subchar; - unicode_subchar = 0; - if (p[0] != '0'){ - /* decimal number */ - for (i = 0; i < 7 && nkf_isdigit(p[i]); i++){ - unicode_subchar *= 10; - unicode_subchar += hex2bin(p[i]); - } - }else if(p[1] == 'x' || p[1] == 'X'){ - /* hexadecimal number */ - for (i = 2; i < 8 && nkf_isxdigit(p[i]); i++){ - unicode_subchar <<= 4; - unicode_subchar |= hex2bin(p[i]); - } - }else{ - /* octal number */ - for (i = 1; i < 8 && nkf_isoctal(p[i]); i++){ - unicode_subchar *= 8; - unicode_subchar += hex2bin(p[i]); - } - } - w16e_conv(unicode_subchar, &i, &j); - unicode_subchar = i<<8 | j; - continue; - } -#endif -#ifdef UTF8_OUTPUT_ENABLE - if (strcmp(long_option[i].name, "ms-ucs-map") == 0){ - ms_ucs_map_f = UCS_MAP_MS; - continue; - } -#endif -#ifdef UNICODE_NORMALIZATION - if (strcmp(long_option[i].name, "utf8mac-input") == 0){ - input_f = UTF8_INPUT; - nfc_f = TRUE; - continue; - } -#endif - if (strcmp(long_option[i].name, "prefix=") == 0){ - if (nkf_isgraph(p[0])){ - for (i = 1; nkf_isgraph(p[i]); i++){ - prefix_table[p[i]] = p[0]; - } - } - continue; - } - } - continue; - case 'b': /* buffered mode */ - unbuf_f = FALSE; - continue; - case 'u': /* non bufferd mode */ - unbuf_f = TRUE; - continue; - case 't': /* transparent mode */ - if (*cp=='1') { - /* alias of -t */ - nop_f = TRUE; - *cp++; - } else if (*cp=='2') { - /* - * -t with put/get - * - * nkf -t2MB hoge.bin | nkf -t2mB | diff -s - hoge.bin - * - */ - nop_f = 2; - *cp++; - } else - nop_f = TRUE; - continue; - case 'j': /* JIS output */ - case 'n': - output_conv = j_oconv; - continue; - case 'e': /* AT&T EUC output */ - output_conv = e_oconv; - continue; - case 's': /* SJIS output */ - output_conv = s_oconv; - continue; - case 'l': /* ISO8859 Latin-1 support, no conversion */ - iso8859_f = TRUE; /* Only compatible with ISO-2022-JP */ - input_f = LATIN1_INPUT; - continue; - case 'i': /* Kanji IN ESC-$-@/B */ - if (*cp=='@'||*cp=='B') - kanji_intro = *cp++; - continue; - case 'o': /* ASCII IN ESC-(-J/B */ - if (*cp=='J'||*cp=='B'||*cp=='H') - ascii_intro = *cp++; - continue; - case 'h': - /* - bit:1 katakana->hiragana - 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 - case 'V': - version(); - exit(1); - break; - case 'v': - usage(); - exit(1); - break; -#endif -#ifdef UTF8_OUTPUT_ENABLE - case 'w': /* UTF-8 output */ - if (cp[0] == '8') { - output_conv = w_oconv; cp++; - if (cp[0] == '0'){ - cp++; - } else { - output_bom_f = TRUE; - } - } else { - if ('1'== cp[0] && '6'==cp[1]) { - output_conv = w_oconv16; cp+=2; - } else if ('3'== cp[0] && '2'==cp[1]) { - output_conv = w_oconv32; cp+=2; - } else { - output_conv = w_oconv; - continue; - } - if (cp[0]=='L') { - cp++; - output_endian = ENDIAN_LITTLE; - } else if (cp[0] == 'B') { - cp++; - } else { - continue; - } - if (cp[0] == '0'){ - cp++; - } else { - output_bom_f = TRUE; - } - } - continue; -#endif -#ifdef UTF8_INPUT_ENABLE - case 'W': /* UTF input */ - if (cp[0] == '8') { - cp++; - input_f = UTF8_INPUT; - }else{ - if ('1'== cp[0] && '6'==cp[1]) { - cp += 2; - input_f = UTF16_INPUT; - input_endian = ENDIAN_BIG; - } else if ('3'== cp[0] && '2'==cp[1]) { - cp += 2; - input_f = UTF32_INPUT; - input_endian = ENDIAN_BIG; - } else { - input_f = UTF8_INPUT; - continue; - } - if (cp[0]=='L') { - cp++; - input_endian = ENDIAN_LITTLE; - } else if (cp[0] == 'B') { - cp++; - } - } - continue; -#endif - /* Input code assumption */ - case 'J': /* JIS input */ - input_f = JIS_INPUT; - continue; - case 'E': /* AT&T EUC input */ - input_f = EUC_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_f = 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 'g': -#ifndef PERL_XS - guess_f = TRUE; -#endif - continue; - case ' ': - /* module muliple options in a string are allowed for Perl moudle */ - while(*cp && *cp++!='-'); - continue; - default: - /* bogus option but ignored */ - continue; - } + +static nkf_char +x0212_unshift(nkf_char c) +{ + nkf_char ret = c; + if (0x7f <= c && c <= 0x88){ + ret = c + (0x75 - 0x7f); + }else if (0x89 <= c && c <= 0x92){ + ret = PREFIX_EUCG3 | 0x80 | (c + (0x75 - 0x89)); } + return ret; } +#endif /* X0212_ENABLE */ -struct input_code * find_inputcode_byfunc(nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0)) +static nkf_char +e2s_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1) { - if (iconv_func){ - struct input_code *p = input_code_list; - while (p->name){ - if (iconv_func == p->iconv_func){ - return p; - } - p++; - } + 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; } -void set_iconv(nkf_char f, nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0)) +static nkf_char +s2e_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1) { -#ifdef INPUT_CODE_FIX - if (f || !input_f) -#endif - if (estab_f != f){ - estab_f = f; - } - - if (iconv_func -#ifdef INPUT_CODE_FIX - && (f == -TRUE || !input_f) /* -TRUE means "FORCE" */ +#if defined(SHIFTJIS_CP932) || defined(X0212_ENABLE) + nkf_char val; #endif - ){ - iconv = iconv_func; + 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; + } } -#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(input_codename); - } - iconv_for_check = iconv; + 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; + } + } -#define SCORE_L2 (1) /* 第2水準漢字 */ -#define SCORE_KANA (SCORE_L2 << 1) /* いわゆる半角カナ */ -#define SCORE_DEPEND (SCORE_KANA << 1) /* 機種依存文字 */ -#ifdef SHIFTJIS_CP932 -#define SCORE_CP932 (SCORE_DEPEND << 1) /* CP932 による読み換え */ -#define SCORE_NO_EXIST (SCORE_CP932 << 1) /* 存在しない文字 */ -#else -#define SCORE_NO_EXIST (SCORE_DEPEND << 1) /* 存在しない文字 */ +#ifdef X0212_ENABLE + c2 = x0212_unshift(c2); #endif -#define SCORE_iMIME (SCORE_NO_EXIST << 1) /* MIME による指定 */ -#define SCORE_ERROR (SCORE_iMIME << 1) /* エラー */ - -#define SCORE_INIT (SCORE_iMIME) - -const nkf_char score_table_A0[] = { - 0, 0, 0, 0, - 0, 0, 0, 0, - 0, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, - SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_NO_EXIST, -}; - -const nkf_char score_table_F0[] = { - SCORE_L2, SCORE_L2, SCORE_L2, SCORE_L2, - SCORE_L2, SCORE_DEPEND, SCORE_NO_EXIST, SCORE_NO_EXIST, - SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, - SCORE_DEPEND, SCORE_NO_EXIST, SCORE_NO_EXIST, SCORE_ERROR, -}; - -void set_code_score(struct input_code *ptr, nkf_char score) -{ - if (ptr){ - ptr->score |= score; - } + if (p2) *p2 = c2; + if (p1) *p1 = c1; + return 0; } -void clr_code_score(struct input_code *ptr, nkf_char score) +#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) +static void +nkf_unicode_to_utf8(nkf_char val, nkf_char *p1, nkf_char *p2, nkf_char *p3, nkf_char *p4) { - if (ptr){ - ptr->score &= ~score; + 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 code_score(struct input_code *ptr) +static nkf_char +nkf_utf8_to_unicode(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4) { - nkf_char c2 = ptr->buf[0]; -#ifdef UTF8_OUTPUT_ENABLE - nkf_char c1 = ptr->buf[1]; -#endif - if (c2 < 0){ - set_code_score(ptr, SCORE_ERROR); - }else if (c2 == SSO){ - set_code_score(ptr, SCORE_KANA); -#ifdef UTF8_OUTPUT_ENABLE - }else if (!e2w_conv(c2, c1)){ - set_code_score(ptr, SCORE_NO_EXIST); -#endif - }else if ((c2 & 0x70) == 0x20){ - set_code_score(ptr, score_table_A0[c2 & 0x0f]); - }else if ((c2 & 0x70) == 0x70){ - set_code_score(ptr, score_table_F0[c2 & 0x0f]); - }else if ((c2 & 0x70) >= 0x50){ - set_code_score(ptr, SCORE_L2); - } + 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 -void status_disable(struct input_code *ptr) +#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) { - ptr->stat = -1; - ptr->buf[0] = -1; - code_score(ptr); - if (iconv == ptr->iconv_func) set_iconv(FALSE, 0); -} + nkf_char c2; + const unsigned short *p; + unsigned short val; -void status_push_ch(struct input_code *ptr, nkf_char c) -{ - ptr->buf[ptr->index++] = c; -} + if (pp == 0) return 1; -void status_clear(struct input_code *ptr) -{ - ptr->stat = 0; - ptr->index = 0; -} + c1 -= 0x80; + if (c1 < 0 || psize <= c1) return 1; + p = pp[c1]; + if (p == 0) return 1; -void status_reset(struct input_code *ptr) -{ - status_clear(ptr); - ptr->score = SCORE_INIT; -} + 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; -void status_reinit(struct input_code *ptr) -{ - status_reset(ptr); - ptr->_file_stat = 0; + c2 = val >> 8; + if (val > 0x7FFF){ + c2 &= 0x7f; + c2 |= PREFIX_EUCG3; + } + if (c2 == SO) c2 = JIS_X_0201_1976_K; + c1 = val & 0xFF; + if (p2) *p2 = c2; + if (p1) *p1 = c1; + return 0; } -void status_check(struct input_code *ptr, nkf_char c) +static int +unicode_to_jis_common(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1) { - if (c <= DEL && estab_f){ - status_reset(ptr); + 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; + } } +#endif + return ret; } -void s_status(struct input_code *ptr, nkf_char c) +#ifdef UTF8_OUTPUT_ENABLE +static nkf_char +e2w_conv(nkf_char c2, nkf_char c1) { - switch(ptr->stat){ - case -1: - status_check(ptr, c); - break; - case 0: - if (c <= DEL){ - break; -#ifdef NUMCHAR_OPTION - }else if (is_unicode_capsule(c)){ - break; -#endif - }else if (0xa1 <= c && c <= 0xdf){ - status_push_ch(ptr, SSO); - status_push_ch(ptr, c); - code_score(ptr); - status_clear(ptr); - }else if ((0x81 <= c && c < 0xa0) || (0xe0 <= c && c <= 0xef)){ - ptr->stat = 1; - status_push_ch(ptr, c); -#ifdef SHIFTJIS_CP932 - }else if (cp51932_f - && is_ibmext_in_sjis(c)){ - ptr->stat = 2; - status_push_ch(ptr, c); -#endif /* SHIFTJIS_CP932 */ + 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 (x0212_f && 0xf0 <= c && c <= 0xfc){ - ptr->stat = 1; - status_push_ch(ptr, c); -#endif /* X0212_ENABLE */ - }else{ - status_disable(ptr); - } - break; - case 1: - if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){ - status_push_ch(ptr, c); - s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]); - code_score(ptr); - status_clear(ptr); - }else{ - status_disable(ptr); - } - break; - case 2: -#ifdef SHIFTJIS_CP932 - if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){ - status_push_ch(ptr, c); - if (s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]) == 0){ - set_code_score(ptr, SCORE_CP932); - status_clear(ptr); - break; - } - } -#endif /* SHIFTJIS_CP932 */ -#ifndef X0212_ENABLE - status_disable(ptr); + } 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 && c2stat){ - case -1: - status_check(ptr, c); - break; - case 0: - if (c <= DEL){ - break; + nkf_char ret = 0; + + if (!c1){ + *p2 = 0; + *p1 = c2; + }else if (0xc0 <= c2 && c2 <= 0xef) { + ret = unicode_to_jis_common(c2, c1, c0, p2, p1); #ifdef NUMCHAR_OPTION - }else if (is_unicode_capsule(c)){ - break; + if (ret > 0){ + if (p2) *p2 = 0; + if (p1) *p1 = nkf_char_unicode_new(nkf_utf8_to_unicode(c2, c1, c0, 0)); + ret = 0; + } #endif - }else if (SSO == c || (0xa1 <= c && c <= 0xfe)){ - ptr->stat = 1; - status_push_ch(ptr, c); -#ifdef X0212_ENABLE - }else if (0x8f == c){ - ptr->stat = 2; - status_push_ch(ptr, c); -#endif /* X0212_ENABLE */ - }else{ - status_disable(ptr); - } - break; - case 1: - if (0xa1 <= c && c <= 0xfe){ - status_push_ch(ptr, c); - code_score(ptr); - status_clear(ptr); - }else{ - status_disable(ptr); - } - break; -#ifdef X0212_ENABLE - case 2: - if (0xa1 <= c && c <= 0xfe){ - ptr->stat = 1; - status_push_ch(ptr, c); - }else{ - status_disable(ptr); - } -#endif /* X0212_ENABLE */ } + return ret; } #ifdef UTF8_INPUT_ENABLE -void w_status(struct input_code *ptr, nkf_char c) +static nkf_char +w16e_conv(nkf_char val, nkf_char *p2, nkf_char *p1) { - switch (ptr->stat){ - case -1: - status_check(ptr, c); - break; - case 0: - if (c <= DEL){ - break; -#ifdef NUMCHAR_OPTION - }else if (is_unicode_capsule(c)){ - break; -#endif - }else if (0xc0 <= c && c <= 0xdf){ - ptr->stat = 1; - status_push_ch(ptr, c); - }else if (0xe0 <= c && c <= 0xef){ - ptr->stat = 2; - status_push_ch(ptr, c); - }else if (0xf0 <= c && c <= 0xf4){ - ptr->stat = 3; - status_push_ch(ptr, c); - }else{ - status_disable(ptr); - } - break; - case 1: - case 2: - if (0x80 <= c && c <= 0xbf){ - status_push_ch(ptr, c); - if (ptr->index > ptr->stat){ - int bom = (ptr->buf[0] == 0xef && ptr->buf[1] == 0xbb - && ptr->buf[2] == 0xbf); - w2e_conv(ptr->buf[0], ptr->buf[1], ptr->buf[2], - &ptr->buf[0], &ptr->buf[1]); - if (!bom){ - code_score(ptr); - } - status_clear(ptr); - } - }else{ - status_disable(ptr); - } - break; - case 3: - if (0x80 <= c && c <= 0xbf){ - if (ptr->index < ptr->stat){ - status_push_ch(ptr, c); - } else { - status_clear(ptr); - } - }else{ - status_disable(ptr); - } - break; + nkf_char c1, c2, c3, c4; + nkf_char ret = 0; + val &= VALUE_MASK; + if (val < 0x80) { + *p2 = 0; + *p1 = val; } -} -#endif - -void code_status(nkf_char c) -{ - int action_flag = 1; - struct input_code *result = 0; - struct input_code *p = input_code_list; - while (p->name){ - if (!p->status_func) { - ++p; - continue; + 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; } - if (!p->status_func) - continue; - (p->status_func)(p, c); - if (p->stat > 0){ - action_flag = 0; - }else if(p->stat == 0){ - if (result){ - action_flag = 0; - }else{ - result = p; - } - } - ++p; - } - - if (action_flag){ - if (result && !estab_f){ - set_iconv(TRUE, result->iconv_func); - }else if (c <= DEL){ - struct input_code *ptr = input_code_list; - while (ptr->name){ - status_reset(ptr); - ++ptr; - } - } - } -} - -#ifndef WIN32DLL -nkf_char std_getc(FILE *f) -{ - if (std_gc_ndx){ - return std_gc_buf[--std_gc_ndx]; } - return getc(f); -} -#endif /*WIN32DLL*/ - -nkf_char std_ungetc(nkf_char c, FILE *f) -{ - if (std_gc_ndx == STD_GC_BUFSIZE){ - return EOF; + else { + *p2 = 0; + *p1 = nkf_char_unicode_new(val); } - std_gc_buf[std_gc_ndx++] = c; - return c; -} - -#ifndef WIN32DLL -void std_putc(nkf_char c) -{ - if(c!=EOF) - putchar(c); -} -#endif /*WIN32DLL*/ - -#if !defined(PERL_XS) && !defined(WIN32DLL) -nkf_char noconvert(FILE *f) -{ - nkf_char c; - - if (nop_f == 2) - module_connection(); - while ((c = (*i_getc)(f)) != EOF) - (*o_putc)(c); - (*o_putc)(EOF); - return 1; + return ret; } #endif -void module_connection(void) +static nkf_char +e_iconv(nkf_char c2, nkf_char c1, nkf_char c0) { - oconv = output_conv; - o_putc = std_putc; - - /* replace continucation module, from output side */ - - /* output redicrection */ -#ifdef CHECK_OPTION - if (noout_f || guess_f){ - o_putc = no_putc; + 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 { + 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 */ + } } -#endif - if (mimeout_f) { - o_mputc = o_putc; - o_putc = mime_putc; - if (mimeout_f == TRUE) { - o_base64conv = oconv; oconv = base64_conv; + (*oconv)(c2, c1); + return 0; +} + +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; } - /* base64_count = 0; */ + } 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 { + nkf_char ret = s2e_conv(c2, c1, &c2, &c1); + if (ret) return ret; } + (*oconv)(c2, c1); + return 0; +} + +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 (crmode_f) { - o_crconv = oconv; oconv = cr_conv; + if (c3 > 0xFF) { + c4 = c3 & 0xFF; + c3 >>= 8; } - if (rot_f) { - o_rot_conv = oconv; oconv = rot_conv; + + 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 (iso2022jp_f) { - o_iso2022jp_check_conv = oconv; oconv = iso2022jp_check_conv; + 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 (hira_f) { - o_hira_conv = oconv; oconv = hira_conv; + if (ret == 0){ + (*oconv)(c1, c2); } - if (fold_f) { - o_fconv = oconv; oconv = fold_conv; - f_line = 0; + return ret; +} + +#define NKF_ICONV_INVALID_CODE_RANGE -13 +static size_t +unicode_iconv(nkf_char wc) +{ + nkf_char c1, c2; + int ret = 0; + + if (wc < 0x80) { + c2 = 0; + c1 = wc; + }else if ((wc>>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; } - if (alpha_f || x0201_f) { - o_zconv = oconv; oconv = z_conv; + (*oconv)(c2, c1); + return 0; +} + +#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(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4) +{ + nkf_char wc; + + if (c1 == EOF) { + (*oconv)(EOF, 0); + return 0; } - 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 (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; + } } - if (url_f){ - i_ugetc = i_getc; i_getc = url_getc; - i_uungetc = i_ungetc; i_ungetc= url_ungetc; + + return (*unicode_iconv)(wc); +} + +static nkf_char +w_iconv16(nkf_char c2, nkf_char c1, nkf_char c0) +{ + return 0; +} + +static nkf_char +w_iconv32(nkf_char c2, nkf_char c1, nkf_char c0) +{ + return 0; +} + +static size_t +nkf_iconv_utf_32(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4) +{ + nkf_char wc; + + if (c1 == EOF) { + (*oconv)(EOF, 0); + return 0; + } + + switch(input_endian){ + case ENDIAN_BIG: + wc = c2 << 16 | c3 << 8 | c4; + break; + case ENDIAN_LITTLE: + wc = c3 << 16 | c2 << 8 | c1; + break; + case ENDIAN_2143: + wc = c1 << 16 | c4 << 8 | c3; + break; + case ENDIAN_3412: + wc = c4 << 16 | c1 << 8 | c2; + break; + default: + return NKF_ICONV_INVALID_CODE_RANGE; } + + return (*unicode_iconv)(wc); +} #endif + +#define output_ascii_escape_sequence(mode) do { \ + if (output_mode != ASCII && output_mode != ISO_8859_1) { \ + (*o_putc)(ESC); \ + (*o_putc)('('); \ + (*o_putc)(ascii_intro); \ + output_mode = mode; \ + } \ + } while (0) + +static void +output_escape_sequence(int mode) +{ + 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; +} + +static void +j_oconv(nkf_char c2, nkf_char c1) +{ #ifdef NUMCHAR_OPTION - if (numchar_f){ - i_ngetc = i_getc; i_getc = numchar_getc; - i_nungetc = i_ungetc; i_ungetc= numchar_ungetc; + 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; + } + } } #endif -#ifdef UNICODE_NORMALIZATION - if (nfc_f && input_f == UTF8_INPUT){ - i_nfc_getc = i_getc; i_getc = nfc_getc; - i_nfc_ungetc = i_ungetc; i_ungetc= nfc_ungetc; + if (c2 == 0) { + output_ascii_escape_sequence(ASCII); + (*o_putc)(c1); } -#endif - if (mime_f && mimebuf_f==FIXED_MIME) { - i_mgetc = i_getc; i_getc = mime_getc; - i_mungetc = i_ungetc; i_ungetc = mime_ungetc; + else if (c2 == EOF) { + output_ascii_escape_sequence(ASCII); + (*o_putc)(EOF); } - if (broken_f & 1) { - i_bgetc = i_getc; i_getc = broken_getc; - i_bungetc = i_ungetc; i_ungetc = broken_ungetc; + else if (c2 == ISO_8859_1) { + output_ascii_escape_sequence(ISO_8859_1); + (*o_putc)(c1|0x80); } - if (input_f == JIS_INPUT || input_f == EUC_INPUT || input_f == LATIN1_INPUT) { - set_iconv(-TRUE, e_iconv); - } else if (input_f == SJIS_INPUT) { - set_iconv(-TRUE, s_iconv); -#ifdef UTF8_INPUT_ENABLE - } else if (input_f == UTF8_INPUT) { - set_iconv(-TRUE, w_iconv); - } else if (input_f == UTF16_INPUT) { - set_iconv(-TRUE, w_iconv16); - } else if (input_f == UTF32_INPUT) { - set_iconv(-TRUE, w_iconv32); + 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 { - set_iconv(FALSE, e_iconv); + if(ms_ucs_map_f + ? c2<0x20 || 0x92name){ - status_reinit(p++); - } +static void +e_oconv(nkf_char c2, nkf_char c1) +{ + 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 (x0212_f && 0xE000 <= c2 && c2 <= 0xE757) { + /* eucJP-ms UDC */ + c1 &= 0xFFF; + c2 = c1 / 94; + c2 += c2 < 10 ? 0x75 : 0x8FEB; + c1 = 0x21 + c1 % 94; + if (is_eucg3(c2)){ + (*o_putc)(0x8f); + (*o_putc)((c2 & 0x7f) | 0x080); + (*o_putc)(c1 | 0x080); + }else{ + (*o_putc)((c2 & 0x7f) | 0x080); + (*o_putc)(c1 | 0x080); + } + return; + } else { + if (encode_fallback) (*encode_fallback)(c1); + return; + } + } + } + + if (c2 == EOF) { + (*o_putc)(EOF); + } else if (c2 == 0) { + output_mode = ASCII; + (*o_putc)(c1); + } else if (c2 == JIS_X_0201_1976_K) { + output_mode = EUC_JP; + (*o_putc)(SS2); (*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 = EUC_JP; +#ifdef SHIFTJIS_CP932 + if (!cp932inv_f){ + nkf_char s2, s1; + if (e2s_conv(c2, c1, &s2, &s1) == 0){ + s2e_conv(s2, s1, &c2, &c1); + } + } +#endif + if (c2 == 0) { + output_mode = ASCII; + (*o_putc)(c1); + }else if (is_eucg3(c2)){ + if (x0212_f){ + (*o_putc)(0x8f); + (*o_putc)((c2 & 0x7f) | 0x080); + (*o_putc)(c1 | 0x080); + } + }else{ + (*o_putc)((c2 & 0x7f) | 0x080); + (*o_putc)(c1 | 0x080); + } +#endif + } else { + if (!nkf_isgraph(c1) || !nkf_isgraph(c2)) { + set_iconv(FALSE, 0); + return; /* too late to rescue this char */ + } + output_mode = EUC_JP; + (*o_putc)(c2 | 0x080); + (*o_putc)(c1 | 0x080); } } -/* - * Check and Ignore BOM - */ -void check_bom(FILE *f) +static void +s_oconv(nkf_char c2, nkf_char c1) { - int c2; - switch(c2 = (*i_getc)(f)){ - case 0x00: - if((c2 = (*i_getc)(f)) == 0x00){ - if((c2 = (*i_getc)(f)) == 0xFE){ - if((c2 = (*i_getc)(f)) == 0xFF){ - if(!input_f){ - set_iconv(TRUE, w_iconv32); - } - if (iconv == w_iconv32) { - input_endian = ENDIAN_BIG; - return; - } - (*i_ungetc)(0xFF,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0xFE,f); - }else if(c2 == 0xFF){ - if((c2 = (*i_getc)(f)) == 0xFE){ - if(!input_f){ - set_iconv(TRUE, w_iconv32); - } - if (iconv == w_iconv32) { - input_endian = ENDIAN_2143; - return; - } - (*i_ungetc)(0xFF,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0xFF,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0x00,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0x00,f); - break; - case 0xEF: - if((c2 = (*i_getc)(f)) == 0xBB){ - if((c2 = (*i_getc)(f)) == 0xBF){ - if(!input_f){ - set_iconv(TRUE, w_iconv); - } - if (iconv == w_iconv) { - return; - } - (*i_ungetc)(0xBF,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0xBB,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0xEF,f); - break; - case 0xFE: - if((c2 = (*i_getc)(f)) == 0xFF){ - if((c2 = (*i_getc)(f)) == 0x00){ - if((c2 = (*i_getc)(f)) == 0x00){ - if(!input_f){ - set_iconv(TRUE, w_iconv32); - } - if (iconv == w_iconv32) { - input_endian = ENDIAN_3412; - return; - } - (*i_ungetc)(0x00,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0x00,f); - }else (*i_ungetc)(c2,f); - if(!input_f){ - set_iconv(TRUE, w_iconv16); - } - if (iconv == w_iconv16) { - input_endian = ENDIAN_BIG; +#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 (!x0213_f && 0xE000 <= c2 && c2 <= 0xE757) { + /* CP932 UDC */ + c1 &= 0xFFF; + c2 = c1 / 188 + (cp932inv_f ? 0xF0 : 0xEB); + c1 = c1 % 188; + c1 += 0x40 + (c1 > 0x3e); + (*o_putc)(c2); + (*o_putc)(c1); return; - } - (*i_ungetc)(0xFF,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0xFE,f); - break; - case 0xFF: - if((c2 = (*i_getc)(f)) == 0xFE){ - if((c2 = (*i_getc)(f)) == 0x00){ - if((c2 = (*i_getc)(f)) == 0x00){ - if(!input_f){ - set_iconv(TRUE, w_iconv32); - } - if (iconv == w_iconv32) { - input_endian = ENDIAN_LITTLE; - return; - } - (*i_ungetc)(0x00,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0x00,f); - }else (*i_ungetc)(c2,f); - if(!input_f){ - set_iconv(TRUE, w_iconv16); - } - if (iconv == w_iconv16) { - input_endian = ENDIAN_LITTLE; + } else { + if(encode_fallback)(*encode_fallback)(c1); return; } - (*i_ungetc)(0xFE,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0xFF,f); - break; - default: - (*i_ungetc)(c2,f); - break; - } -} - -/* - Conversion main loop. Code detection only. - */ - -nkf_char kanji_convert(FILE *f) -{ - nkf_char c3, c2=0, c1, c0=0; - int is_8bit = FALSE; - - if(input_f == SJIS_INPUT || input_f == EUC_INPUT -#ifdef UTF8_INPUT_ENABLE - || input_f == UTF8_INPUT || input_f == UTF16_INPUT -#endif - ){ - is_8bit = TRUE; + } } - - input_mode = ASCII; - output_mode = ASCII; - shift_mode = FALSE; - -#define NEXT continue /* no output, get next */ -#define SEND ; /* output c1 and c2, get next */ -#define LAST break /* end of loop, go closing */ - - module_connection(); - check_bom(f); - - while ((c1 = (*i_getc)(f)) != EOF) { -#ifdef INPUT_CODE_FIX - if (!input_f) -#endif - code_status(c1); - if (c2) { - /* second byte */ - if (c2 > DEL) { - /* in case of 8th bit is on */ - if (!estab_f&&!mime_decode_mode) { - /* in case of not established yet */ - /* It is still ambiguious */ - if (h_conv(f, c2, c1)==EOF) - LAST; - else - c2 = 0; - NEXT; - } else { - /* in case of already established */ - if (c1 < AT && !(X0208 && 0x80 <= c2 && c2 <= 0x92)) { - /* ignore bogus code and not CP5022x UCD */ - c2 = 0; - NEXT; - } else { - SEND; - } - } - } else - /* second byte, 7 bit code */ - /* it might be kanji shitfted */ - if ((c1 == DEL) || (c1 <= SPACE)) { - /* ignore bogus first code */ - c2 = 0; - NEXT; - } else - SEND; - } else { - /* first byte */ -#ifdef UTF8_INPUT_ENABLE - if (iconv == w_iconv16) { - if (input_endian == ENDIAN_BIG) { - c2 = c1; - if ((c1 = (*i_getc)(f)) != EOF) { - if (0xD8 <= c2 && c2 <= 0xDB) { - if ((c0 = (*i_getc)(f)) != EOF) { - c0 <<= 8; - if ((c3 = (*i_getc)(f)) != EOF) { - c0 |= c3; - } else c2 = EOF; - } else c2 = EOF; - } - } else c2 = EOF; - } else { - if ((c2 = (*i_getc)(f)) != EOF) { - if (0xD8 <= c2 && c2 <= 0xDB) { - if ((c3 = (*i_getc)(f)) != EOF) { - if ((c0 = (*i_getc)(f)) != EOF) { - c0 <<= 8; - c0 |= c3; - } else c2 = EOF; - } else c2 = EOF; - } - } else c2 = EOF; - } - SEND; - } else if(iconv == w_iconv32){ - int c3 = c1; - if((c2 = (*i_getc)(f)) != EOF && - (c1 = (*i_getc)(f)) != EOF && - (c0 = (*i_getc)(f)) != EOF){ - switch(input_endian){ - case ENDIAN_BIG: - c1 = (c2&0xFF)<<16 | (c1&0xFF)<<8 | (c0&0xFF); - break; - case ENDIAN_LITTLE: - c1 = (c3&0xFF) | (c2&0xFF)<<8 | (c1&0xFF)<<16; - break; - case ENDIAN_2143: - c1 = (c3&0xFF)<<16 | (c1&0xFF) | (c0&0xFF)<<8; - break; - case ENDIAN_3412: - c1 = (c3&0xFF)<<8 | (c2&0xFF) | (c0&0xFF)<<16; - break; - } - c2 = 0; - }else{ - c2 = EOF; - } - SEND; - } else #endif -#ifdef NUMCHAR_OPTION - if (is_unicode_capsule(c1)){ - SEND; - } else -#endif - if (c1 > DEL) { - /* 8 bit code */ - if (!estab_f && !iso8859_f) { - /* not established yet */ - c2 = c1; - NEXT; - } else { /* estab_f==TRUE */ - if (iso8859_f) { - c2 = ISO8859_1; - c1 &= 0x7f; - SEND; - } else if (SSP<=c1 && c1<0xe0 && iconv == s_iconv) { - /* SJIS X0201 Case... */ - if(iso2022jp_f && x0201_f==NO_X0201) { - (*oconv)(GETA1, GETA2); - NEXT; - } else { - c2 = X0201; - c1 &= 0x7f; - SEND; - } - } else if (c1==SSO && iconv != s_iconv) { - /* EUC X0201 Case */ - c1 = (*i_getc)(f); /* skip SSO */ - code_status(c1); - if (SSP<=c1 && c1<0xe0) { - if(iso2022jp_f && x0201_f==NO_X0201) { - (*oconv)(GETA1, GETA2); - NEXT; - } else { - c2 = X0201; - c1 &= 0x7f; - SEND; - } - } else { /* bogus code, skip SSO and one byte */ - NEXT; - } - } else { - /* already established */ - c2 = c1; - NEXT; - } - } - } else if ((c1 > SPACE) && (c1 != DEL)) { - /* in case of Roman characters */ - if (shift_mode) { - /* output 1 shifted byte */ - if (iso8859_f) { - c2 = ISO8859_1; - SEND; - } else if (SPACE<=c1 && c1<(0xe0&0x7f) ){ - /* output 1 shifted byte */ - if(iso2022jp_f && x0201_f==NO_X0201) { - (*oconv)(GETA1, GETA2); - NEXT; - } else { - c2 = X0201; - SEND; - } - } else { - /* look like bogus code */ - NEXT; - } - } else if (input_mode == X0208 || input_mode == X0212 || - input_mode == X0213_1 || input_mode == X0213_2) { - /* in case of Kanji shifted */ - c2 = c1; - NEXT; - } else if (c1 == '=' && mime_f && !mime_decode_mode ) { - /* Check MIME code */ - if ((c1 = (*i_getc)(f)) == EOF) { - (*oconv)(0, '='); - LAST; - } else if (c1 == '?') { - /* =? is mime conversion start sequence */ - if(mime_f == STRICT_MIME) { - /* check in real detail */ - if (mime_begin_strict(f) == EOF) - LAST; - else - NEXT; - } else if (mime_begin(f) == EOF) - LAST; - else - NEXT; - } else { - (*oconv)(0, '='); - (*i_ungetc)(c1,f); - NEXT; - } - } else { - /* normal ASCII code */ - SEND; - } - } else if (!is_8bit && c1 == SI) { - shift_mode = FALSE; - NEXT; - } else if (!is_8bit && c1 == SO) { - shift_mode = TRUE; - NEXT; - } else if (!is_8bit && 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; - set_input_codename("ISO-2022-JP"); -#ifdef CHECK_OPTION - debug(input_codename); -#endif - NEXT; - } else if (c1 == '(') { - if ((c1 = (*i_getc)(f)) == EOF) { - /* don't send bogus code - (*oconv)(0, ESC); - (*oconv)(0, '$'); - (*oconv)(0, '('); - */ - LAST; - } else if (c1 == '@'|| c1 == 'B') { - /* This is kanji introduction */ - input_mode = X0208; - shift_mode = FALSE; - NEXT; -#ifdef X0212_ENABLE - } else if (c1 == 'D'){ - input_mode = X0212; - shift_mode = FALSE; - NEXT; -#endif /* X0212_ENABLE */ - } else if (c1 == (X0213_1&0x7F)){ - input_mode = X0213_1; - shift_mode = FALSE; - NEXT; - } else if (c1 == (X0213_2&0x7F)){ - input_mode = X0213_2; - shift_mode = FALSE; - NEXT; - } else { - /* could be some special code */ - (*oconv)(0, ESC); - (*oconv)(0, '$'); - (*oconv)(0, '('); - (*oconv)(0, c1); - NEXT; - } - } else if (broken_f&0x2) { - /* accept any ESC-(-x as broken code ... */ - input_mode = X0208; - shift_mode = FALSE; - NEXT; - } else { - (*oconv)(0, ESC); - (*oconv)(0, '$'); - (*oconv)(0, c1); - NEXT; - } - } else if (c1 == '(') { - if ((c1 = (*i_getc)(f)) == EOF) { - /* don't send bogus code - (*oconv)(0, ESC); - (*oconv)(0, '('); */ - LAST; - } else { - if (c1 == 'I') { - /* This is X0201 kana introduction */ - input_mode = X0201; shift_mode = X0201; - NEXT; - } else if (c1 == 'B' || c1 == 'J' || c1 == 'H') { - /* This is X0208 kanji introduction */ - input_mode = ASCII; shift_mode = FALSE; - NEXT; - } else if (broken_f&0x2) { - input_mode = ASCII; shift_mode = FALSE; - NEXT; - } else { - (*oconv)(0, ESC); - (*oconv)(0, '('); - /* maintain various input_mode here */ - SEND; - } - } - } else if ( c1 == 'N' || c1 == 'n' ){ - /* SS2 */ - c3 = (*i_getc)(f); /* skip SS2 */ - if ( (SPACE<=c3 && c3 < 0x60) || (0xa0<=c3 && c3 < 0xe0)){ - c1 = c3; - c2 = X0201; - SEND; - }else{ - (*i_ungetc)(c3, f); - /* lonely ESC */ - (*oconv)(0, ESC); - SEND; - } - } else { - /* lonely ESC */ - (*oconv)(0, ESC); - SEND; - } - } else if (c1 == ESC && iconv == s_iconv) { - /* ESC in Shift_JIS */ - if ((c1 = (*i_getc)(f)) == EOF) { - /* (*oconv)(0, ESC); don't send bogus code */ - LAST; - } else if (c1 == '$') { - /* J-PHONE emoji */ - if ((c1 = (*i_getc)(f)) == EOF) { - /* - (*oconv)(0, ESC); don't send bogus code - (*oconv)(0, '$'); */ - LAST; - } else { - if (('E' <= c1 && c1 <= 'G') || - ('O' <= c1 && c1 <= 'Q')) { - /* - NUM : 0 1 2 3 4 5 - BYTE: G E F O P Q - C%7 : 1 6 0 2 3 4 - C%7 : 0 1 2 3 4 5 6 - NUM : 2 0 3 4 5 X 1 - */ - static const int jphone_emoji_first_table[7] = {2, 0, 3, 4, 5, 0, 1}; - c0 = (jphone_emoji_first_table[c1 % 7] << 8) - SPACE + 0xE000 + CLASS_UNICODE; - while ((c1 = (*i_getc)(f)) != EOF) { - if (SPACE <= c1 && c1 <= 'z') { - (*oconv)(0, c1 + c0); - } else break; /* c1 == SO */ - } - } - } - if (c1 == EOF) LAST; - NEXT; - } else { - /* lonely ESC */ - (*oconv)(0, ESC); - SEND; - } - } else if ((c1 == NL || c1 == CR) && broken_f&4) { - input_mode = ASCII; set_iconv(FALSE, 0); - SEND; - } else if (c1 == NL && mime_decode_f && !mime_decode_mode ) { - if ((c1=(*i_getc)(f))!=EOF && c1 == SPACE) { - i_ungetc(SPACE,f); - continue; - } else { - i_ungetc(c1,f); - } - c1 = NL; - SEND; - } else if (c1 == CR && mime_decode_f && !mime_decode_mode ) { - if ((c1=(*i_getc)(f))!=EOF) { - if (c1==SPACE) { - i_ungetc(SPACE,f); - continue; - } else if (c1 == NL && (c1=(*i_getc)(f))!=EOF && c1 == SPACE) { - i_ungetc(SPACE,f); - continue; - } else { - i_ungetc(c1,f); - } - i_ungetc(NL,f); - } else { - i_ungetc(c1,f); - } - c1 = CR; - SEND; - } else if (c1 == DEL && input_mode == X0208 ) { - /* CP5022x */ - c2 = c1; - NEXT; - } else - SEND; - } - /* send: */ - switch(input_mode){ - case ASCII: - switch ((*iconv)(c2, c1, c0)) { /* can be EUC / SJIS / UTF-8 / UTF-16 */ - case -2: - /* 4 bytes UTF-8 */ - if ((c0 = (*i_getc)(f)) != EOF) { - code_status(c0); - c0 <<= 8; - if ((c3 = (*i_getc)(f)) != EOF) { - code_status(c3); - (*iconv)(c2, c1, c0|c3); - } - } - break; - case -1: - /* 3 bytes EUC or UTF-8 */ - if ((c0 = (*i_getc)(f)) != EOF) { - code_status(c0); - (*iconv)(c2, c1, c0); - } - break; - } - break; - case X0208: - case X0213_1: - if (ms_ucs_map_f == UCS_MAP_CP932 && - 0x7F <= c2 && c2 <= 0x92 && - 0x21 <= c1 && c1 <= 0x7E) { - /* CP932 UDC */ - if(c1 == 0x7F) return 0; - c1 = (c2 - 0x7F) * 94 + c1 - 0x21 + 0xE000 + CLASS_UNICODE; - c2 = 0; - } - (*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */ - break; + if (c2 == EOF) { + (*o_putc)(EOF); + return; + } else if (c2 == 0) { + output_mode = ASCII; + (*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 - case X0212: - (*oconv)(PREFIX_EUCG3 | c2, c1); - break; -#endif /* X0212_ENABLE */ - case X0213_2: - (*oconv)(PREFIX_EUCG3 | c2, c1); - break; - default: - (*oconv)(input_mode, c1); /* other special case */ + } else if (is_eucg3(c2)){ + output_mode = SHIFT_JIS; + if (e2s_conv(c2, c1, &c2, &c1) == 0){ + (*o_putc)(c2); + (*o_putc)(c1); } +#endif + } else { + if (!nkf_isprint(c1) || !nkf_isprint(c2)) { + set_iconv(FALSE, 0); + return; /* too late to rescue this char */ + } + output_mode = SHIFT_JIS; + e2s_conv(c2, c1, &c2, &c1); - c2 = 0; - c0 = 0; - continue; - /* goto next_word */ - } - - /* epilogue */ - (*iconv)(EOF, 0, 0); - if (!is_inputcode_set) - { - if (is_8bit) { - struct input_code *p = input_code_list; - struct input_code *result = p; - while (p->name){ - if (p->score < result->score) result = p; - ++p; +#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; } - set_input_codename(result->name); } +#endif /* SHIFTJIS_CP932 */ + + (*o_putc)(c2); + if (prefix_table[(unsigned char)c1]){ + (*o_putc)(prefix_table[(unsigned char)c1]); + } + (*o_putc)(c1); } - return 1; } -nkf_char -h_conv(FILE *f, nkf_char c2, nkf_char c1) +#ifdef UTF8_OUTPUT_ENABLE +static void +w_oconv(nkf_char c2, nkf_char c1) { - nkf_char ret, c3, c0; - int hold_index; + nkf_char c3, c4; + nkf_char val; + if (output_bom_f) { + output_bom_f = FALSE; + (*o_putc)('\357'); + (*o_putc)('\273'); + (*o_putc)('\277'); + } - /** 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 */ + if (c2 == EOF) { + (*o_putc)(EOF); + return; + } - hold_count = 0; - push_hold_buf(c2); - push_hold_buf(c1); - - while ((c1 = (*i_getc)(f)) != EOF) { - if (c1 == ESC){ - (*i_ungetc)(c1,f); - break; - } - code_status(c1); - if (push_hold_buf(c1) == EOF || estab_f){ - break; - } - } - - if (!estab_f){ - struct input_code *p = input_code_list; - struct input_code *result = p; - if (c1 == EOF){ - code_status(c1); - } - while (p->name){ - if (p->score < result->score){ - result = p; - } - ++p; - } - set_iconv(FALSE, result->iconv_func); + 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; } - - /** now, - ** 1) EOF is detected, or - ** 2) Code is established, or - ** 3) Buffer is FULL (but last word is pushed) - ** - ** in 1) and 3) cases, we continue to use - ** Kanji codes by oconv and leave estab_f unchanged. - **/ - - ret = c1; - hold_index = 0; - while (hold_index < hold_count){ - c2 = hold_buf[hold_index++]; - if (c2 <= DEL -#ifdef NUMCHAR_OPTION - || is_unicode_capsule(c2) -#endif - ){ - (*iconv)(0, c2, 0); - continue; - }else if (iconv == s_iconv && 0xa1 <= c2 && c2 <= 0xdf){ - (*iconv)(X0201, c2, 0); - continue; - } - if (hold_index < hold_count){ - c1 = hold_buf[hold_index++]; - }else{ - c1 = (*i_getc)(f); - if (c1 == EOF){ - c3 = EOF; - break; - } - code_status(c1); - } - c0 = 0; - switch ((*iconv)(c2, c1, 0)) { /* can be EUC/SJIS/UTF-8 */ - case -2: - /* 4 bytes UTF-8 */ - if (hold_index < hold_count){ - c0 = hold_buf[hold_index++]; - } else if ((c0 = (*i_getc)(f)) == EOF) { - ret = EOF; - break; - } else { - code_status(c0); - c0 <<= 8; - if (hold_index < hold_count){ - c3 = hold_buf[hold_index++]; - } else if ((c3 = (*i_getc)(f)) == EOF) { - c0 = ret = EOF; - break; - } else { - code_status(c3); - (*iconv)(c2, c1, c0|c3); - } - } - break; - case -1: - /* 3 bytes EUC or UTF-8 */ - if (hold_index < hold_count){ - c0 = hold_buf[hold_index++]; - } else if ((c0 = (*i_getc)(f)) == EOF) { - ret = EOF; - break; - } else { - code_status(c0); - } - (*iconv)(c2, c1, c0); - break; + if (c2 == 0) { + (*o_putc)(c1); + } else { + 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); } - if (c0 == EOF) break; } - return ret; -} - -nkf_char push_hold_buf(nkf_char c2) -{ - if (hold_count >= HOLD_SIZE*2) - return (EOF); - hold_buf[hold_count++] = (unsigned char)c2; - return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count); } -nkf_char s2e_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1) +static void +w_oconv16(nkf_char c2, nkf_char c1) { -#if defined(SHIFTJIS_CP932) || defined(X0212_ENABLE) - nkf_char val; -#endif - static const nkf_char shift_jisx0213_s1a3_table[5][2] ={ { 1, 8}, { 3, 4}, { 5,12}, {13,14}, {15, 0} }; -#ifdef SHIFTJIS_CP932 - if (cp51932_f && is_ibmext_in_sjis(c2)){ -#if 0 - extern const unsigned short shiftjis_cp932[3][189]; -#endif - val = shiftjis_cp932[c2 - CP932_TABLE_BEGIN][c1 - 0x40]; - if (val){ - c2 = val >> 8; - c1 = val & 0xff; - } - } -#endif /* SHIFTJIS_CP932 */ -#ifdef X0212_ENABLE - if (!x0213_f && is_ibmext_in_sjis(c2)){ -#if 0 - extern const unsigned short shiftjis_x0212[3][189]; -#endif - val = shiftjis_x0212[c2 - 0xfa][c1 - 0x40]; - if (val){ - if (val > 0x7FFF){ - c2 = PREFIX_EUCG3 | (val >> 8); - 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++; - } + if (output_bom_f) { + output_bom_f = FALSE; + if (output_endian == ENDIAN_LITTLE){ + (*o_putc)(0xFF); + (*o_putc)(0xFE); }else{ - c2 = c2 + c2 - ((c2 <= 0x9F) ? SJ0162 : SJ6394); - if (0x9E < c1) c2++; - } - if (c1 < 0x9F) - c1 = c1 - ((c1 > DEL) ? SPACE : 0x1F); - else { - c1 = c1 - 0x7E; + (*o_putc)(0xFE); + (*o_putc)(0xFF); } } -#ifdef X0212_ENABLE - c2 = x0212_unshift(c2); -#endif - if (p2) *p2 = c2; - if (p1) *p1 = c1; - return 0; -} - -nkf_char s_iconv(nkf_char c2, nkf_char c1, nkf_char c0) -{ - if (c2 == X0201) { - c1 &= 0x7f; - } else if ((c2 == EOF) || (c2 == 0) || c2 < SPACE) { - /* NOP */ - } else if (ms_ucs_map_f == UCS_MAP_CP932 && - 0xF0 <= c2 && c2 <= 0xF9 && - 0x40 <= c1 && c1 <= 0xFC) { - /* CP932 UDC */ - if(c1 == 0x7F) return 0; - c1 = (c2 - 0xF0) * 188 + (c1 - 0x40 - (0x7E < c1)) + 0xE000 + CLASS_UNICODE; - c2 = 0; - } else { - nkf_char ret = s2e_conv(c2, c1, &c2, &c1); - if (ret) return ret; + if (c2 == EOF) { + (*o_putc)(EOF); + return; } - (*oconv)(c2, c1); - return 0; -} -nkf_char e_iconv(nkf_char c2, nkf_char c1, nkf_char c0) -{ - if (c2 == X0201) { - c1 &= 0x7f; -#ifdef X0212_ENABLE - }else if (c2 == 0x8f){ - if (c0 == 0){ - return -1; - } - if (ms_ucs_map_f == UCS_MAP_MS && 0xF5 <= c1 && c1 <= 0xFE && 0xA1 <= c0 && c0 <= 0xFE) { - /* encoding is eucJP-ms, so invert to Unicode Private User Area */ - c1 = (c1 - 0xF5) * 94 + c0 - 0xA1 + 0xE3AC + CLASS_UNICODE; - c2 = 0; + if (c2 == 0 && nkf_char_unicode_p(c1)) { + if (nkf_char_unicode_bmp_p(c1)) { + c2 = (c1 >> 8) & 0xff; + c1 &= 0xff; } 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; - } + 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); } } -#endif /* SHIFTJIS_CP932 */ - } -#endif /* X0212_ENABLE */ - } else if (c2 == SSO){ - c2 = X0201; - c1 &= 0x7f; - } else if ((c2 == EOF) || (c2 == 0) || c2 < SPACE) { - /* NOP */ - } else { - if (ms_ucs_map_f == UCS_MAP_MS && 0xF5 <= c2 && c2 <= 0xFE && 0xA1 <= c1 && c1 <= 0xFE) { - /* encoding is eucJP-ms, so invert to Unicode Private User Area */ - c1 = (c2 - 0xF5) * 94 + c1 - 0xA1 + 0xE000 + CLASS_UNICODE; - c2 = 0; - } else { - c1 &= 0x7f; - c2 &= 0x7f; - } + return; + } + } else if (c2) { + nkf_char val = e2w_conv(c2, c1); + c2 = (val >> 8) & 0xff; + c1 = val & 0xff; + if (!val) return; } - (*oconv)(c2, c1); - return 0; -} - -#ifdef UTF8_INPUT_ENABLE -nkf_char w2e_conv(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1) -{ - nkf_char ret = 0; - if (!c1){ - *p2 = 0; - *p1 = c2; - }else if (0xc0 <= c2 && c2 <= 0xef) { - ret = unicode_to_jis_common(c2, c1, c0, p2, p1); -#ifdef NUMCHAR_OPTION - if (ret > 0){ - if (p2) *p2 = 0; - if (p1) *p1 = CLASS_UNICODE | ww16_conv(c2, c1, c0); - ret = 0; - } -#endif + if (output_endian == ENDIAN_LITTLE){ + (*o_putc)(c1); + (*o_putc)(c2); + }else{ + (*o_putc)(c2); + (*o_putc)(c1); } - return ret; } -nkf_char w_iconv(nkf_char c2, nkf_char c1, nkf_char c0) +static void +w_oconv32(nkf_char c2, nkf_char c1) { - nkf_char ret = 0; - static const int w_iconv_utf8_1st_byte[] = - { /* 0xC0 - 0xFF */ - 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 30, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 32, 33, 33, - 40, 41, 41, 41, 42, 43, 43, 43, 50, 50, 50, 50, 60, 60, 70, 70}; - - if (c2 < 0 || 0xff < c2) { - }else if (c2 == 0) { /* 0 : 1 byte*/ - c0 = 0; - } else if ((c2 & 0xc0) == 0x80) { /* 0x80-0xbf : trail byte */ - return 0; - } else{ - switch (w_iconv_utf8_1st_byte[c2 - 0xC0]) { - case 21: - if (c1 < 0x80 || 0xBF < c1) return 0; - break; - case 30: - if (c0 == 0) return -1; - if (c1 < 0xA0 || 0xBF < c1 || (c0 & 0xc0) != 0x80) - return 0; - break; - case 31: - case 33: - if (c0 == 0) return -1; - if ((c1 & 0xc0) != 0x80 || (c0 & 0xc0) != 0x80) - return 0; - break; - case 32: - if (c0 == 0) return -1; - if (c1 < 0x80 || 0x9F < c1 || (c0 & 0xc0) != 0x80) - return 0; - break; - case 40: - if (c0 == 0) return -2; - if (c1 < 0x90 || 0xBF < c1 || (c0 & 0xc0c0) != 0x8080) - return 0; - break; - case 41: - if (c0 == 0) return -2; - if (c1 < 0x80 || 0xBF < c1 || (c0 & 0xc0c0) != 0x8080) - return 0; - break; - case 42: - if (c0 == 0) return -2; - if (c1 < 0x80 || 0x8F < c1 || (c0 & 0xc0c0) != 0x8080) - return 0; - break; - default: - return 0; - break; + if (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); } } - if (c2 == 0 || c2 == EOF){ - } else if ((c2 & 0xf8) == 0xf0) { /* 4 bytes */ - c1 = CLASS_UNICODE | ww16_conv(c2, c1, c0); - c2 = 0; - } else { - ret = w2e_conv(c2, c1, c0, &c2, &c1); + + if (c2 == EOF) { + (*o_putc)(EOF); + return; } - if (ret == 0){ - (*oconv)(c2, c1); + + 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; + } + 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); } - return ret; } #endif -#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) -void w16w_conv(nkf_char val, nkf_char *p2, nkf_char *p1, nkf_char *p0) +#define SCORE_L2 (1) /* Kanji Level 2 */ +#define SCORE_KANA (SCORE_L2 << 1) /* Halfwidth Katakana */ +#define SCORE_DEPEND (SCORE_KANA << 1) /* MD Characters */ +#define SCORE_CP932 (SCORE_DEPEND << 1) /* IBM extended characters */ +#define SCORE_X0212 (SCORE_CP932 << 1) /* JIS X 0212 */ +#define SCORE_NO_EXIST (SCORE_X0212 << 1) /* Undefined Characters */ +#define SCORE_iMIME (SCORE_NO_EXIST << 1) /* MIME selected */ +#define SCORE_ERROR (SCORE_iMIME << 1) /* Error */ + +#define SCORE_INIT (SCORE_iMIME) + +static const nkf_char score_table_A0[] = { + 0, 0, 0, 0, + 0, 0, 0, 0, + 0, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, + SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_NO_EXIST, +}; + +static const nkf_char score_table_F0[] = { + SCORE_L2, SCORE_L2, SCORE_L2, SCORE_L2, + SCORE_L2, SCORE_DEPEND, SCORE_NO_EXIST, SCORE_NO_EXIST, + SCORE_DEPEND, SCORE_DEPEND, SCORE_CP932, SCORE_CP932, + SCORE_CP932, SCORE_NO_EXIST, SCORE_NO_EXIST, SCORE_ERROR, +}; + +static void +set_code_score(struct input_code *ptr, nkf_char score) { - val &= VALUE_MASK; - if (val < 0x80){ - *p2 = val; - *p1 = 0; - *p0 = 0; - }else if (val < 0x800){ - *p2 = 0xc0 | (val >> 6); - *p1 = 0x80 | (val & 0x3f); - *p0 = 0; - } else if (val <= NKF_INT32_C(0xFFFF)) { - *p2 = 0xe0 | (val >> 12); - *p1 = 0x80 | ((val >> 6) & 0x3f); - *p0 = 0x80 | (val & 0x3f); - } else if (val <= NKF_INT32_C(0x10FFFF)) { - *p2 = 0xe0 | (val >> 16); - *p1 = 0x80 | ((val >> 12) & 0x3f); - *p0 = 0x8080 | ((val << 2) & 0x3f00)| (val & 0x3f); - } else { - *p2 = 0; - *p1 = 0; - *p0 = 0; + if (ptr){ + ptr->score |= score; } } -#endif -#ifdef UTF8_INPUT_ENABLE -nkf_char ww16_conv(nkf_char c2, nkf_char c1, nkf_char c0) +static void +clr_code_score(struct input_code *ptr, nkf_char score) { - nkf_char val; - if (c2 >= 0xf8) { - val = -1; - } else if (c2 >= 0xf0){ - /* c2: 1st, c1: 2nd, c0: 3rd/4th */ - val = (c2 & 0x0f) << 18; - val |= (c1 & 0x3f) << 12; - val |= (c0 & 0x3f00) >> 2; - val |= (c0 & 0x3f); - }else if (c2 >= 0xe0){ - val = (c2 & 0x0f) << 12; - val |= (c1 & 0x3f) << 6; - val |= (c0 & 0x3f); - }else if (c2 >= 0xc0){ - val = (c2 & 0x1f) << 6; - val |= (c1 & 0x3f); - }else{ - val = c2; + if (ptr){ + ptr->score &= ~score; } - return val; } -nkf_char w16e_conv(nkf_char val, nkf_char *p2, nkf_char *p1) +static void +code_score(struct input_code *ptr) { - nkf_char c2, c1, c0; - nkf_char ret = 0; - val &= VALUE_MASK; - if (val < 0x80){ - *p2 = 0; - *p1 = val; - }else{ - w16w_conv(val, &c2, &c1, &c0); - ret = unicode_to_jis_common(c2, c1, c0, p2, p1); -#ifdef NUMCHAR_OPTION - if (ret > 0){ - *p2 = 0; - *p1 = CLASS_UNICODE | val; - ret = 0; - } + nkf_char c2 = ptr->buf[0]; +#ifdef UTF8_OUTPUT_ENABLE + nkf_char c1 = ptr->buf[1]; +#endif + if (c2 < 0){ + set_code_score(ptr, SCORE_ERROR); + }else if (c2 == 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 + }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); } - return ret; } -#endif -#ifdef UTF8_INPUT_ENABLE -nkf_char w_iconv16(nkf_char c2, nkf_char c1, nkf_char c0) +static void +status_disable(struct input_code *ptr) { - nkf_char ret = 0; - if ((c2==0 && c1 < 0x80) || c2==EOF) { - (*oconv)(c2, c1); - return 0; - }else if (0xD8 <= c2 && c2 <= 0xDB) { - if (c0 < NKF_INT32_C(0xDC00) || NKF_INT32_C(0xDFFF) < c0) - return -2; - c1 = CLASS_UNICODE | ((c2 << 18) + (c1 << 10) + c0 - NKF_INT32_C(0x35FDC00)); - c2 = 0; - }else if ((c2>>3) == 27) { /* unpaired surrogate */ - /* - return 2; - */ - return 1; - }else ret = w16e_conv(((c2 & 0xff)<<8) + c1, &c2, &c1); - if (ret) return ret; - (*oconv)(c2, c1); - return 0; + ptr->stat = -1; + ptr->buf[0] = -1; + code_score(ptr); + if (iconv == ptr->iconv_func) set_iconv(FALSE, 0); } -nkf_char w_iconv32(nkf_char c2, nkf_char c1, nkf_char c0) +static void +status_push_ch(struct input_code *ptr, nkf_char c) { - int ret = 0; + ptr->buf[ptr->index++] = c; +} - if ((c2 == 0 && c1 < 0x80) || c2==EOF) { - } else if (is_unicode_bmp(c1)) { - ret = w16e_conv(c1, &c2, &c1); - } else { - c2 = 0; - c1 = CLASS_UNICODE | c1; - } - if (ret) return ret; - (*oconv)(c2, c1); - return 0; +static void +status_clear(struct input_code *ptr) +{ + ptr->stat = 0; + ptr->index = 0; } -nkf_char unicode_to_jis_common(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1) +static void +status_reset(struct input_code *ptr) { -#if 0 - extern const unsigned short *const utf8_to_euc_2bytes[]; - extern const unsigned short *const utf8_to_euc_2bytes_ms[]; - extern const unsigned short *const utf8_to_euc_2bytes_932[]; - extern const unsigned short *const *const utf8_to_euc_3bytes[]; - extern const unsigned short *const *const utf8_to_euc_3bytes_ms[]; - extern const unsigned short *const *const utf8_to_euc_3bytes_932[]; -#endif - const unsigned short *const *pp; - const unsigned short *const *const *ppp; - static const int no_best_fit_chars_table_C2[] = - {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 2, 1, 1, 2, - 0, 0, 1, 1, 0, 1, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1}; - static const int no_best_fit_chars_table_C2_ms[] = - {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, - 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0}; - static const int no_best_fit_chars_table_932_C2[] = - {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, - 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0}; - static const int no_best_fit_chars_table_932_C3[] = - {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1}; - nkf_char ret = 0; + status_clear(ptr); + ptr->score = SCORE_INIT; +} - 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(cp51932_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; - } +static void +status_reinit(struct input_code *ptr) +{ + status_reset(ptr); + ptr->_file_stat = 0; +} + +static void +status_check(struct input_code *ptr, nkf_char c) +{ + if (c <= DEL && estab_f){ + status_reset(ptr); + } +} + +static void +s_status(struct input_code *ptr, nkf_char c) +{ + switch(ptr->stat){ + case -1: + status_check(ptr, c); + break; + case 0: + if (c <= DEL){ + break; + }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); } - pp = - ms_ucs_map_f == UCS_MAP_CP932 ? utf8_to_euc_2bytes_932 : - ms_ucs_map_f == UCS_MAP_MS ? utf8_to_euc_2bytes_ms : - utf8_to_euc_2bytes; - ret = w_iconv_common(c2, c1, pp, sizeof_utf8_to_euc_2bytes, p2, p1); - }else if(c0 < 0xF0){ - if(no_best_fit_chars_f){ - if(ms_ucs_map_f == UCS_MAP_CP932){ - if(c2 == 0xE3 && c1 == 0x82 && c0 == 0x94) return 1; - }else if(ms_ucs_map_f == UCS_MAP_MS){ - switch(c2){ - case 0xE2: - switch(c1){ - case 0x80: - if(c0 == 0x94 || c0 == 0x96 || c0 == 0xBE) return 1; - break; - case 0x88: - if(c0 == 0x92) return 1; - break; - } - break; - case 0xE3: - if(c1 == 0x80 || c0 == 0x9C) return 1; - break; - } - }else{ - switch(c2){ - case 0xE2: - switch(c1){ - case 0x80: - if(c0 == 0x95) return 1; - break; - case 0x88: - if(c0 == 0xA5) return 1; - break; - } - break; - case 0xEF: - switch(c1){ - case 0xBC: - if(c0 == 0x8D) return 1; - break; - case 0xBD: - if(c0 == 0x9E && cp51932_f) return 1; - break; - case 0xBF: - if(0xA0 <= c0 && c0 <= 0xA5) return 1; - break; - } - break; - } - } + 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); } - ppp = - ms_ucs_map_f == UCS_MAP_CP932 ? utf8_to_euc_3bytes_932 : - ms_ucs_map_f == UCS_MAP_MS ? utf8_to_euc_3bytes_ms : - utf8_to_euc_3bytes; - ret = w_iconv_common(c1, c0, ppp[c2 - 0xE0], sizeof_utf8_to_euc_C2, p2, p1); - }else return -1; + break; + case 2: #ifdef SHIFTJIS_CP932 - if (!ret && cp51932_f && is_eucg3(*p2)) { - nkf_char s2, s1; - if (e2s_conv(*p2, *p1, &s2, &s1) == 0) { - s2e_conv(s2, s1, p2, p1); + 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{ - ret = 1; + status_disable(ptr); } + break; } -#endif - return ret; } -nkf_char w_iconv_common(nkf_char c1, nkf_char c0, const unsigned short *const *pp, nkf_char psize, nkf_char *p2, nkf_char *p1) +static void +e_status(struct input_code *ptr, nkf_char c) { - nkf_char c2; - const unsigned short *p; - unsigned short val; - - if (pp == 0) return 1; - - c1 -= 0x80; - if (c1 < 0 || psize <= c1) return 1; - p = pp[c1]; - if (p == 0) return 1; - - c0 -= 0x80; - if (c0 < 0 || sizeof_utf8_to_euc_C2 <= c0) return 1; - val = p[c0]; - if (val == 0) return 1; - if (no_cp932ext_f && ( - (val>>8) == 0x2D || /* NEC special characters */ - val > NKF_INT32_C(0xF300) /* IBM extended characters */ - )) return 1; - - c2 = val >> 8; - if (val > 0x7FFF){ - c2 &= 0x7f; - c2 |= PREFIX_EUCG3; + 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 */ } - if (c2 == SO) c2 = X0201; - c1 = val & 0x7f; - if (p2) *p2 = c2; - if (p1) *p1 = c1; - return 0; } -void nkf_each_char_to_hex(void (*f)(nkf_char c2,nkf_char c1), nkf_char c) +#ifdef UTF8_INPUT_ENABLE +static void +w_status(struct input_code *ptr, nkf_char c) { - const char *hex = "0123456789ABCDEF"; - int shift = 20; - c &= VALUE_MASK; - while(shift >= 0){ - if(c >= 1<= 0){ - (*f)(0, hex[(c>>shift)&0xF]); - shift -= 4; + 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{ - shift -= 4; + 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; } - return; } +#endif -void encode_fallback_html(nkf_char c) +static void +code_status(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; + int action_flag = 1; + struct input_code *result = 0; + struct input_code *p = input_code_list; + while (p->name){ + if (!p->status_func) { + ++p; + continue; + } + if (!p->status_func) + continue; + (p->status_func)(p, c); + if (p->stat > 0){ + action_flag = 0; + }else if(p->stat == 0){ + if (result){ + action_flag = 0; + }else{ + result = p; + } + } + ++p; + } + + if (action_flag){ + if (result && !estab_f){ + set_iconv(TRUE, result->iconv_func); + }else if (c <= DEL){ + struct input_code *ptr = input_code_list; + while (ptr->name){ + status_reset(ptr); + ++ptr; + } + } + } } -void encode_fallback_xml(nkf_char c) +typedef struct { + nkf_buf_t *std_gc_buf; + nkf_char broken_state; + nkf_buf_t *broken_buf; + nkf_char mimeout_state; +} nkf_state_t; + +static nkf_state_t *nkf_state = NULL; + +#define STD_GC_BUFSIZE (256) + +static void +nkf_state_init(void) { - (*oconv)(0, '&'); - (*oconv)(0, '#'); - (*oconv)(0, 'x'); - nkf_each_char_to_hex(oconv, c); - (*oconv)(0, ';'); - return; + if (nkf_state) { + nkf_buf_clear(nkf_state->std_gc_buf); + nkf_buf_clear(nkf_state->broken_buf); + } + else { + nkf_state = nkf_xmalloc(sizeof(nkf_state_t)); + nkf_state->std_gc_buf = nkf_buf_new(STD_GC_BUFSIZE); + nkf_state->broken_buf = nkf_buf_new(3); + } + nkf_state->broken_state = 0; + nkf_state->mimeout_state = 0; } -void encode_fallback_java(nkf_char c) +#ifndef WIN32DLL +static nkf_char +std_getc(FILE *f) { - const char *hex = "0123456789ABCDEF"; - (*oconv)(0, '\\'); - c &= VALUE_MASK; - if(!is_unicode_bmp(c)){ - (*oconv)(0, 'U'); - (*oconv)(0, '0'); - (*oconv)(0, '0'); - (*oconv)(0, hex[(c>>20)&0xF]); - (*oconv)(0, hex[(c>>16)&0xF]); - }else{ - (*oconv)(0, 'u'); + if (!nkf_buf_empty_p(nkf_state->std_gc_buf)){ + return nkf_buf_pop(nkf_state->std_gc_buf); } - (*oconv)(0, hex[(c>>12)&0xF]); - (*oconv)(0, hex[(c>> 8)&0xF]); - (*oconv)(0, hex[(c>> 4)&0xF]); - (*oconv)(0, hex[ c &0xF]); - return; -} - -void encode_fallback_perl(nkf_char c) -{ - (*oconv)(0, '\\'); - (*oconv)(0, 'x'); - (*oconv)(0, '{'); - nkf_each_char_to_hex(oconv, c); - (*oconv)(0, '}'); - return; + return getc(f); } +#endif /*WIN32DLL*/ -void encode_fallback_subchar(nkf_char c) +static nkf_char +std_ungetc(nkf_char c, FILE *f) { - c = unicode_subchar; - (*oconv)((c>>8)&0xFF, c&0xFF); - return; + nkf_buf_push(nkf_state->std_gc_buf, c); + return c; } -#endif -#ifdef UTF8_OUTPUT_ENABLE -nkf_char e2w_conv(nkf_char c2, nkf_char c1) +#ifndef WIN32DLL +static void +std_putc(nkf_char c) { -#if 0 - extern const unsigned short euc_to_utf8_1byte[]; - extern const unsigned short *const euc_to_utf8_2bytes[]; - extern const unsigned short *const euc_to_utf8_2bytes_ms[]; - extern const unsigned short *const x0212_to_utf8_2bytes[]; -#endif - const unsigned short *p; - - if (c2 == X0201) { - p = euc_to_utf8_1byte; -#ifdef X0212_ENABLE - } else if (is_eucg3(c2)){ - if(ms_ucs_map_f == UCS_MAP_ASCII&& c2 == NKF_INT32_C(0x8F22) && c1 == 0x43){ - return 0xA6; - } - c2 = (c2&0x7f) - 0x21; - if (0<=c2 && c2> 6)); - (*o_putc)(0x80 | (val & 0x3f)); - } else if (val <= NKF_INT32_C(0xFFFF)) { - (*o_putc)(0xE0 | (val >> 12)); - (*o_putc)(0x80 | ((val >> 6) & 0x3f)); - (*o_putc)(0x80 | (val & 0x3f)); - } else if (val <= NKF_INT32_C(0x10FFFF)) { - (*o_putc)(0xF0 | ( val>>18)); - (*o_putc)(0x80 | ((val>>12) & 0x3f)); - (*o_putc)(0x80 | ((val>> 6) & 0x3f)); - (*o_putc)(0x80 | ( val & 0x3f)); - } - return; - } -#endif - - if (c2 == 0) { - output_mode = ASCII; - (*o_putc)(c1); - } else if (c2 == ISO8859_1) { - output_mode = ISO8859_1; - (*o_putc)(c1 | 0x080); - } else { - output_mode = UTF8; - val = e2w_conv(c2, c1); - if (val){ - w16w_conv(val, &c2, &c1, &c0); - (*o_putc)(c2); - if (c1){ - (*o_putc)(c1); - if (c0) (*o_putc)(c0); - } - } - } + if (hold_count >= HOLD_SIZE*2) + return (EOF); + hold_buf[hold_count++] = (unsigned char)c2; + return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count); } -void w_oconv16(nkf_char c2, nkf_char c1) +static int +h_conv(FILE *f, int c1, int c2) { - if (output_bom_f) { - output_bom_f = FALSE; - if (output_endian == ENDIAN_LITTLE){ - (*o_putc)((unsigned char)'\377'); - (*o_putc)('\376'); - }else{ - (*o_putc)('\376'); - (*o_putc)((unsigned char)'\377'); - } - } - - if (c2 == EOF) { - (*o_putc)(EOF); - return; - } + int ret, c4, c3; + int hold_index; - if (c2 == ISO8859_1) { - c2 = 0; - c1 |= 0x80; -#ifdef NUMCHAR_OPTION - } else if (c2 == 0 && is_unicode_capsule(c1)) { - if (is_unicode_bmp(c1)) { - c2 = (c1 >> 8) & 0xff; - c1 &= 0xff; - } else { - c1 &= VALUE_MASK; - if (c1 <= UNICODE_MAX) { - c2 = (c1 >> 10) + NKF_INT32_C(0xD7C0); /* high surrogate */ - c1 = (c1 & 0x3FF) + NKF_INT32_C(0xDC00); /* low surrogate */ - if (output_endian == ENDIAN_LITTLE){ - (*o_putc)(c2 & 0xff); - (*o_putc)((c2 >> 8) & 0xff); - (*o_putc)(c1 & 0xff); - (*o_putc)((c1 >> 8) & 0xff); - }else{ - (*o_putc)((c2 >> 8) & 0xff); - (*o_putc)(c2 & 0xff); - (*o_putc)((c1 >> 8) & 0xff); - (*o_putc)(c1 & 0xff); - } - } - return; - } -#endif - } else if (c2) { - nkf_char val = e2w_conv(c2, c1); - c2 = (val >> 8) & 0xff; - c1 = val & 0xff; - if (!val) return; - } - if (output_endian == ENDIAN_LITTLE){ - (*o_putc)(c1); - (*o_putc)(c2); - }else{ - (*o_putc)(c2); - (*o_putc)(c1); - } -} -void w_oconv32(nkf_char c2, nkf_char c1) -{ - if (output_bom_f) { - output_bom_f = FALSE; - if (output_endian == ENDIAN_LITTLE){ - (*o_putc)((unsigned char)'\377'); - (*o_putc)('\376'); - (*o_putc)('\000'); - (*o_putc)('\000'); - }else{ - (*o_putc)('\000'); - (*o_putc)('\000'); - (*o_putc)('\376'); - (*o_putc)((unsigned char)'\377'); - } - } + /** 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 */ - if (c2 == EOF) { - (*o_putc)(EOF); - return; - } + hold_count = 0; + push_hold_buf(c1); + push_hold_buf(c2); - if (c2 == ISO8859_1) { - c1 |= 0x80; -#ifdef NUMCHAR_OPTION - } else if (c2 == 0 && is_unicode_capsule(c1)) { - c1 &= VALUE_MASK; -#endif - } else if (c2) { - c1 = e2w_conv(c2, c1); - if (!c1) return; - } - if (output_endian == ENDIAN_LITTLE){ - (*o_putc)( c1 & NKF_INT32_C(0x000000FF)); - (*o_putc)((c1 & NKF_INT32_C(0x0000FF00)) >> 8); - (*o_putc)((c1 & NKF_INT32_C(0x00FF0000)) >> 16); - (*o_putc)('\000'); - }else{ - (*o_putc)('\000'); - (*o_putc)((c1 & NKF_INT32_C(0x00FF0000)) >> 16); - (*o_putc)((c1 & NKF_INT32_C(0x0000FF00)) >> 8); - (*o_putc)( c1 & NKF_INT32_C(0x000000FF)); + 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; + } } -} -#endif -void e_oconv(nkf_char c2, nkf_char c1) -{ -#ifdef NUMCHAR_OPTION - if (c2 == 0 && is_unicode_capsule(c1)){ - w16e_conv(c1, &c2, &c1); - if (c2 == 0 && is_unicode_capsule(c1)){ - c2 = c1 & VALUE_MASK; - if (ms_ucs_map_f == UCS_MAP_MS && - 0xE000 <= c2 && c2 <= 0xE757) { - /* eucJP-ms UDC */ - c1 &= 0xFFF; - c2 = c1 / 94; - c2 += c2 < 10 ? 0x75 : 0x8FEB; - c1 = 0x21 + c1 % 94; - } else { - if (encode_fallback) (*encode_fallback)(c1); - return; + if (!estab_f) { + struct input_code *p = input_code_list; + struct input_code *result = p; + if (c2 == EOF) { + code_status(c2); + } + while (p->name) { + if (p->status_func && p->score < result->score) { + result = p; } - } - } -#endif - if (c2 == EOF) { - (*o_putc)(EOF); - return; - } else if (c2 == 0) { - output_mode = ASCII; - (*o_putc)(c1); - } else if (c2 == X0201) { - output_mode = JAPANESE_EUC; - (*o_putc)(SSO); (*o_putc)(c1|0x80); - } else if (c2 == ISO8859_1) { - output_mode = ISO8859_1; - (*o_putc)(c1 | 0x080); -#ifdef X0212_ENABLE - } else if (is_eucg3(c2)){ - output_mode = JAPANESE_EUC; -#ifdef SHIFTJIS_CP932 - if (cp51932_f){ - nkf_char s2, s1; - if (e2s_conv(c2, c1, &s2, &s1) == 0){ - s2e_conv(s2, s1, &c2, &c1); - } - } -#endif - if (c2 == 0) { - output_mode = ASCII; - (*o_putc)(c1); - }else if (is_eucg3(c2)){ - if (x0212_f){ - (*o_putc)(0x8f); - (*o_putc)((c2 & 0x7f) | 0x080); - (*o_putc)(c1 | 0x080); - } - }else{ - (*o_putc)((c2 & 0x7f) | 0x080); - (*o_putc)(c1 | 0x080); - } -#endif - } else { - if (!nkf_isgraph(c1) || !nkf_isgraph(c2)) { - set_iconv(FALSE, 0); - return; /* too late to rescue this char */ - } - output_mode = JAPANESE_EUC; - (*o_putc)(c2 | 0x080); - (*o_putc)(c1 | 0x080); - } -} - -#ifdef X0212_ENABLE -nkf_char x0212_shift(nkf_char c) -{ - nkf_char ret = c; - c &= 0x7f; - if (is_eucg3(ret)){ - if (0x75 <= c && c <= 0x7f){ - ret = c + (0x109 - 0x75); - } - }else{ - if (0x75 <= c && c <= 0x7f){ - ret = c + (0x113 - 0x75); - } + p++; + } + set_iconv(TRUE, result->iconv_func); } - return ret; -} -nkf_char x0212_unshift(nkf_char c) -{ - nkf_char ret = c; - if (0x7f <= c && c <= 0x88){ - ret = c + (0x75 - 0x7f); - }else if (0x89 <= c && c <= 0x92){ - ret = PREFIX_EUCG3 | 0x80 | (c + (0x75 - 0x89)); - } - return ret; -} -#endif /* X0212_ENABLE */ + /** 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. + **/ -nkf_char e2s_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1) -{ - nkf_char ndx; - if (is_eucg3(c2)){ - ndx = c2 & 0xff; - 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; + 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; } -#ifdef X0212_ENABLE - else if(nkf_isgraph(ndx)){ - nkf_char val = 0; - const unsigned short *ptr; -#if 0 - extern const unsigned short *const x0212_shiftjis[]; -#endif - ptr = x0212_shiftjis[ndx - 0x21]; - if (ptr){ - val = ptr[(c1 & 0x7f) - 0x21]; - } - if (val){ - c2 = val >> 8; - c1 = val & 0xff; - if (p2) *p2 = c2; - if (p1) *p1 = c1; - return 0; + if (hold_index < hold_count){ + c2 = hold_buf[hold_index++]; + }else{ + c2 = (*i_getc)(f); + if (c2 == EOF){ + c4 = EOF; + break; } - c2 = x0212_shift(c2); + code_status(c2); } -#endif /* X0212_ENABLE */ - } - if(0x7F < c2) return 1; - if (p2) *p2 = ((c2 - 1) >> 1) + ((c2 <= 0x5e) ? 0x71 : 0xb1); - if (p1) *p1 = c1 + ((c2 & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e); - return 0; -} - -void s_oconv(nkf_char c2, nkf_char c1) -{ -#ifdef NUMCHAR_OPTION - if (c2 == 0 && is_unicode_capsule(c1)){ - w16e_conv(c1, &c2, &c1); - if (c2 == 0 && is_unicode_capsule(c1)){ - c2 = c1 & VALUE_MASK; - if (ms_ucs_map_f == UCS_MAP_CP932 && - 0xE000 <= c2 && c2 <= 0xE757) { - /* CP932 UDC */ - c1 &= 0xFFF; - c2 = c1 / 188 + 0xF0; - c1 = c1 % 188; - c1 += 0x40 + (c1 > 0x3e); - (*o_putc)(c2); - (*o_putc)(c1); - return; + 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 { - if(encode_fallback)(*encode_fallback)(c1); - return; + 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; } -#endif - if (c2 == EOF) { - (*o_putc)(EOF); - return; - } else if (c2 == 0) { - output_mode = ASCII; - (*o_putc)(c1); - } else if (c2 == X0201) { - output_mode = SHIFT_JIS; - (*o_putc)(c1|0x80); - } else if (c2 == ISO8859_1) { - output_mode = ISO8859_1; - (*o_putc)(c1 | 0x080); -#ifdef X0212_ENABLE - } else if (is_eucg3(c2)){ - output_mode = SHIFT_JIS; - if (e2s_conv(c2, c1, &c2, &c1) == 0){ - (*o_putc)(c2); - (*o_putc)(c1); - } -#endif - } else { - if (!nkf_isprint(c1) || !nkf_isprint(c2)) { - set_iconv(FALSE, 0); - return; /* too late to rescue this char */ - } - output_mode = SHIFT_JIS; - e2s_conv(c2, c1, &c2, &c1); - -#ifdef SHIFTJIS_CP932 - if (cp932inv_f - && CP932INV_TABLE_BEGIN <= c2 && c2 <= CP932INV_TABLE_END){ -#if 0 - extern const unsigned short cp932inv[2][189]; -#endif - nkf_char c = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40]; - if (c){ - c2 = c >> 8; - c1 = c & 0xff; - } - } -#endif /* SHIFTJIS_CP932 */ - - (*o_putc)(c2); - if (prefix_table[(unsigned char)c1]){ - (*o_putc)(prefix_table[(unsigned char)c1]); - } - (*o_putc)(c1); - } + return ret; } -void j_oconv(nkf_char c2, nkf_char c1) +/* + * Check and Ignore BOM + */ +static void +check_bom(FILE *f) { -#ifdef NUMCHAR_OPTION - if (c2 == 0 && is_unicode_capsule(c1)){ - w16e_conv(c1, &c2, &c1); - if (c2 == 0 && is_unicode_capsule(c1)){ - c2 = c1 & VALUE_MASK; - if (ms_ucs_map_f == UCS_MAP_CP932 && - 0xE000 <= c2 && c2 <= 0xE757) { - /* CP5022x UDC */ - c1 &= 0xFFF; - c2 = 0x7F + c1 / 94; - c1 = 0x21 + c1 % 94; - } else { - if (encode_fallback) (*encode_fallback)(c1); - return; + 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); } - } - } -#endif - if (c2 == EOF) { - if (output_mode !=ASCII && output_mode!=ISO8859_1) { - (*o_putc)(ESC); - (*o_putc)('('); - (*o_putc)(ascii_intro); - output_mode = ASCII; - } - (*o_putc)(EOF); -#ifdef X0212_ENABLE - } else if (is_eucg3(c2)){ - if(x0213_f){ - if(output_mode!=X0213_2){ - output_mode = X0213_2; - (*o_putc)(ESC); - (*o_putc)('$'); - (*o_putc)('('); - (*o_putc)(X0213_2&0x7F); + if (iconv == w_iconv16) { + input_endian = ENDIAN_BIG; + return; } - }else{ - if(output_mode!=X0212){ - output_mode = X0212; - (*o_putc)(ESC); - (*o_putc)('$'); - (*o_putc)('('); - (*o_putc)(X0212&0x7F); + (*i_ungetc)(0xFF,f); + }else (*i_ungetc)(c2,f); + (*i_ungetc)(0xFE,f); + break; + case 0xFF: + if((c2 = (*i_getc)(f)) == 0xFE){ + if((c2 = (*i_getc)(f)) == 0x00){ + if((c2 = (*i_getc)(f)) == 0x00){ + if(!input_encoding){ + set_iconv(TRUE, w_iconv32); + } + if (iconv == w_iconv32) { + input_endian = ENDIAN_LITTLE; + return; + } + (*i_ungetc)(0x00,f); + }else (*i_ungetc)(c2,f); + (*i_ungetc)(0x00,f); + }else (*i_ungetc)(c2,f); + if(!input_encoding){ + set_iconv(TRUE, w_iconv16); } - } - (*o_putc)(c2 & 0x7f); - (*o_putc)(c1); -#endif - } else if (c2==X0201) { - if (output_mode!=X0201) { - output_mode = X0201; - (*o_putc)(ESC); - (*o_putc)('('); - (*o_putc)('I'); - } - (*o_putc)(c1); - } else if (c2==ISO8859_1) { - /* iso8859 introduction, or 8th bit on */ - /* Can we convert in 7bit form using ESC-'-'-A ? - Is this popular? */ - output_mode = ISO8859_1; - (*o_putc)(c1|0x80); - } else if (c2 == 0) { - if (output_mode !=ASCII && output_mode!=ISO8859_1) { - (*o_putc)(ESC); - (*o_putc)('('); - (*o_putc)(ascii_intro); - output_mode = ASCII; - } - (*o_putc)(c1); - } else { - if(ms_ucs_map_f == UCS_MAP_CP932 - ? c2<0x20 || 0x920) { - return broken_buf[--broken_counter]; + if (!nkf_buf_empty_p(nkf_state->broken_buf)) { + return nkf_buf_pop(nkf_state->broken_buf); } - c= (*i_bgetc)(f); - if (c=='$' && broken_last != ESC - && (input_mode==ASCII || input_mode==X0201)) { + c = (*i_bgetc)(f); + if (c=='$' && nkf_state->broken_state != ESC + && (input_mode == ASCII || input_mode == JIS_X_0201_1976_K)) { c1= (*i_bgetc)(f); - broken_last = 0; + nkf_state->broken_state = 0; if (c1=='@'|| c1=='B') { - broken_buf[0]=c1; broken_buf[1]=c; - broken_counter=2; + nkf_buf_push(nkf_state->broken_buf, c1); + nkf_buf_push(nkf_state->broken_buf, c); return ESC; } else { (*i_bungetc)(c1,f); return c; } - } else if (c=='(' && broken_last != ESC - && (input_mode==X0208 || input_mode==X0201)) { /* ) */ + } else if (c=='(' && nkf_state->broken_state != ESC + && (input_mode == JIS_X_0208 || input_mode == JIS_X_0201_1976_K)) { c1= (*i_bgetc)(f); - broken_last = 0; + nkf_state->broken_state = 0; if (c1=='J'|| c1=='B') { - broken_buf[0]=c1; broken_buf[1]=c; - broken_counter=2; + nkf_buf_push(nkf_state->broken_buf, c1); + nkf_buf_push(nkf_state->broken_buf, c); return ESC; } else { (*i_bungetc)(c1,f); return c; } } else { - broken_last = c; + nkf_state->broken_state = c; return c; } } -nkf_char broken_ungetc(nkf_char c, FILE *f) +static nkf_char +broken_ungetc(nkf_char c, FILE *f) { - if (broken_counter<2) - broken_buf[broken_counter++]=c; + if (nkf_buf_length(nkf_state->broken_buf) < 2) + nkf_buf_push(nkf_state->broken_buf, c); return c; } -static nkf_char prev_cr = 0; - -void cr_conv(nkf_char c2, nkf_char c1) +static void +eol_conv(nkf_char c2, nkf_char c1) { - if (prev_cr) { + 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; + } + if (prev_cr || (c2 == 0 && c1 == LF)) { 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 (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); } -/* - Return value of fold_conv() +/* + 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 + 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) + fold state in prev (previous character) - >0x80 Japanese (X0208/X0201) - <0x80 ASCII - \n new line - ' ' space + >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. -*/ + This fold algorthm does not preserve heading space in a line. + This is the main difference from fmt. + */ #define char_size(c2,c1) (c2?2:1) -void fold_conv(nkf_char c2, nkf_char c1) -{ +static void +fold_conv(nkf_char c2, nkf_char c1) +{ nkf_char prev0; nkf_char fold_state; - if (c1== '\r' && !fold_preserve_f) { - fold_state=0; /* ignore cr */ - }else if (c1== '\n'&&f_prev=='\r' && fold_preserve_f) { - f_prev = '\n'; - fold_state=0; /* ignore cr */ + 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; + 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'; + 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 == '\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 */ - } - } - } + || (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; + } + } 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 */ + } + } + } } else if (c1=='\f') { - f_prev = '\n'; - f_line = 0; - fold_state = '\n'; /* output newline and clear */ - } else if ( (c2==0 && c1==' ')|| - (c2==0 && c1=='\t')|| - (c2=='!'&& c1=='!')) { - /* X0208 kankaku or ascii space */ - if (f_prev == ' ') { - fold_state = 0; /* remove duplicate spaces */ - } else { - f_prev = ' '; - if (++f_line<=fold_len) - fold_state = ' '; /* output ASCII space only */ - else { - f_prev = ' '; f_line = 0; - fold_state = '\r'; /* fold and output nothing */ - } - } + f_prev = LF; + f_line = 0; + fold_state = LF; /* output newline and clear */ + } else if ((c2==0 && nkf_isblank(c1)) || (c2 == '!' && c1 == '!')) { + /* X0208 kankaku or ascii space */ + if (f_prev == SP) { + fold_state = 0; /* remove duplicate spaces */ + } else { + 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 */ + } + } } else { - prev0 = f_prev; /* we still need this one... , but almost done */ - f_prev = c1; - if (c2 || c2==X0201) - f_prev |= 0x80; /* this is Japanese */ - f_line += char_size(c2,c1); - if (f_line<=fold_len) { /* normal case */ - fold_state = 1; - } else { - if (f_line>fold_len+fold_margin) { /* too many kinsoku suspension */ - f_line = char_size(c2,c1); - fold_state = '\n'; /* We can't wait, do fold now */ - } else if (c2==X0201) { - /* simple kinsoku rules return 1 means no folding */ - if (c1==(0xde&0x7f)) fold_state = 1; /* ゛*/ - else if (c1==(0xdf&0x7f)) fold_state = 1; /* ゜*/ - else if (c1==(0xa4&0x7f)) fold_state = 1; /* 。*/ - else if (c1==(0xa3&0x7f)) fold_state = 1; /* ，*/ - else if (c1==(0xa1&0x7f)) fold_state = 1; /* 」*/ - else if (c1==(0xb0&0x7f)) fold_state = 1; /* - */ - else if (SPACE<=c1 && c1<=(0xdf&0x7f)) { /* X0201 */ + 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 = '\n';/* add one new f_line before this character */ + fold_state = LF;/* add one new f_line before this character */ } else { f_line = 1; - fold_state = '\n';/* add one new f_line before this character */ + fold_state = LF;/* add one new f_line before this character */ } - } else if (c2==0) { - /* kinsoku point in ASCII */ + } else if (c2==0) { + /* kinsoku point in ASCII */ if ( c1==')'|| /* { [ ( */ - c1==']'|| - c1=='}'|| - c1=='.'|| - c1==','|| - c1=='!'|| - c1=='?'|| - c1=='/'|| - c1==':'|| - c1==';' ) { + c1==']'|| + c1=='}'|| + c1=='.'|| + c1==','|| + c1=='!'|| + c1=='?'|| + c1=='/'|| + c1==':'|| + c1==';') { fold_state = 1; - /* just after special */ + /* 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 */ + 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 = '\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'; + 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 { + } else { f_line = char_size(c2,c1); - fold_state = '\n'; - /* add one new f_line before this character */ - } - } - } + fold_state = LF; + /* add one new f_line before this character */ + } + } + } } /* terminator process */ switch(fold_state) { - case '\n': - (*o_fconv)(0,'\n'); - (*o_fconv)(c2,c1); - break; - case 0: - return; - case '\r': - (*o_fconv)(0,'\n'); - break; - case '\t': - case ' ': - (*o_fconv)(0,' '); - break; - default: - (*o_fconv)(c2,c1); + 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); } } -nkf_char z_prev2=0,z_prev1=0; +static nkf_char z_prev2=0,z_prev1=0; -void z_conv(nkf_char c2, nkf_char c1) +static void +z_conv(nkf_char c2, nkf_char c1) { /* if (c2) c1 &= 0x7f; assertion */ - if (x0201_f && z_prev2==X0201) { /* X0201 */ - if (c1==(0xde&0x7f)) { /* 濁点 */ - z_prev2=0; - (*o_zconv)(dv[(z_prev1-SPACE)*2],dv[(z_prev1-SPACE)*2+1]); - return; - } else if (c1==(0xdf&0x7f)&&ev[(z_prev1-SPACE)*2]) { /* 半濁点 */ - z_prev2=0; - (*o_zconv)(ev[(z_prev1-SPACE)*2],ev[(z_prev1-SPACE)*2+1]); - return; - } else { - z_prev2=0; - (*o_zconv)(cv[(z_prev1-SPACE)*2],cv[(z_prev1-SPACE)*2+1]); - } - } - - if (c2==EOF) { - (*o_zconv)(c2,c1); - return; - } - - if (x0201_f && c2==X0201) { - if (dv[(c1-SPACE)*2]||ev[(c1-SPACE)*2]) { - /* wait for 濁点 or 半濁点 */ - z_prev1 = c1; z_prev2 = c2; - return; - } else { - (*o_zconv)(cv[(c1-SPACE)*2],cv[(c1-SPACE)*2+1]); - return; - } - } - - /* JISX0208 Alphabet */ - if (alpha_f && c2 == 0x23 ) { - c2 = 0; - } else if (alpha_f && c2 == 0x21 ) { - /* JISX0208 Kigou */ - if (0x21==c1) { - if (alpha_f&0x2) { - c1 = ' '; - c2 = 0; - } else if (alpha_f&0x4) { - (*o_zconv)(0,' '); - (*o_zconv)(0,' '); - return; - } - } else if (0x20': entity = ">"; break; - case '<': entity = "<"; break; - case '\"': entity = """; break; - case '&': entity = "&"; break; - } - if (entity){ - while (*entity) (*o_zconv)(0, *entity++); - return; - } - } - } + if (c2 == JIS_X_0201_1976_K && (c1 == 0x20 || c1 == 0x7D || c1 == 0x7E)) { + (*o_zconv)(c2,c1); + return; + } + + 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; + } + } + } + + if (c2 == EOF) { + (*o_zconv)(c2, c1); + return; + } + + 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; + } + } + + if (alpha_f & 16) { + /* JIS X 0208 Katakana to JIS X 0201 Katakana */ + if (c2 == 0x21) { + nkf_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); } #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) \ -) + ( c < 'A') ? c: \ + (c <= 'M') ? (c + 13): \ + (c <= 'Z') ? (c - 13): \ + (c < 'a') ? (c): \ + (c <= 'm') ? (c + 13): \ + (c <= 'z') ? (c - 13): \ + (c) \ + ) #define rot47(c) ( \ - ( c < '!' ) ? c: \ - ( c <= 'O' ) ? (c + 47) : \ - ( c <= '~' ) ? (c - 47) : \ - c \ -) - -void rot_conv(nkf_char c2, nkf_char c1) + ( c < '!') ? c: \ + ( c <= 'O') ? (c + 47) : \ + ( c <= '~') ? (c - 47) : \ + c \ + ) + +static void +rot_conv(nkf_char c2, nkf_char c1) { - if (c2==0 || c2==X0201 || c2==ISO8859_1) { + if (c2 == 0 || c2 == JIS_X_0201_1976_K || c2 == ISO_8859_1) { c1 = rot13(c1); } else if (c2) { c1 = rot47(c1); @@ -4631,61 +3725,64 @@ void rot_conv(nkf_char c2, nkf_char c1) (*o_rot_conv)(c2,c1); } -void hira_conv(nkf_char c2, nkf_char 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 && (output_conv == w_oconv || output_conv == w_oconv16)) { - c2 = 0; - c1 = CLASS_UNICODE | 0x3094; - (*o_hira_conv)(c2,c1); - return; - } - } else if (c2 == 0x21 && (c1 == 0x33 || c1 == 0x34)) { - c1 += 2; - (*o_hira_conv)(c2,c1); - return; - } + if (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 == (CLASS_UNICODE | 0x3094)) { - c2 = 0x25; - c1 = 0x74; - } else if (c2 == 0x24 && 0x20 < c1 && c1 < 0x74) { - c2 = 0x25; - } else if (c2 == 0x21 && (c1 == 0x35 || c1 == 0x36)) { - c1 -= 2; - } + 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); } -void iso2022jp_check_conv(nkf_char c2, nkf_char 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}, + {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; @@ -4714,7 +3811,7 @@ void iso2022jp_check_conv(nkf_char c2, nkf_char c1) /* This converts =?ISO-2022-JP?B?HOGE HOGE?= */ -const unsigned char *mime_pattern[] = { +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?", @@ -4739,16 +3836,16 @@ nkf_char (*mime_priority_func[])(nkf_char c2, nkf_char c1, nkf_char c0) = { 0, }; -const nkf_char mime_encode[] = { - JAPANESE_EUC, SHIFT_JIS,ISO8859_1, ISO8859_1, X0208, X0201, +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) - UTF8, UTF8, + UTF_8, UTF_8, #endif ASCII, 0 }; -const nkf_char mime_encode_method[] = { +static const nkf_char mime_encode_method[] = { 'B', 'B','Q', 'B', 'B', 'Q', #if defined(UTF8_INPUT_ENABLE) 'B', 'Q', @@ -4758,9 +3855,55 @@ const nkf_char mime_encode_method[] = { }; +/* 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 -void switch_mime_getc(void) +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; @@ -4772,7 +3915,8 @@ void switch_mime_getc(void) } } -void unswitch_mime_getc(void) +static void +unswitch_mime_getc(void) { if(mime_f==STRICT_MIME) { i_mgetc = i_mgetc_buf; @@ -4784,7 +3928,47 @@ void unswitch_mime_getc(void) mime_iconv_back = NULL; } -nkf_char mime_begin_strict(FILE *f) +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; @@ -4797,25 +3981,25 @@ nkf_char mime_begin_strict(FILE *f) p = mime_pattern[j]; r[0]='='; r[1]='?'; - for(i=2;p[i]>' ';i++) { /* start at =? */ - if ( ((r[i] = c1 = (*i_getc)(f))==EOF) || nkf_toupper(c1) != p[i] ) { - /* pattern fails, try next one */ - q = p; - while (mime_pattern[++j]) { + 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; - } + 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"; + } } - input_codename = codename; - is_inputcode_set = TRUE; + return input_codename; } #if !defined(PERL_XS) && !defined(WIN32DLL) -void print_guessed_code(char *filename) +static void +print_guessed_code(char *filename) { - char *codename = "BINARY"; - if (!is_inputcode_mixed) { - if (strcmp(input_codename, "") == 0) { - codename = "ASCII"; - } else { - codename = input_codename; - } - } - if (filename != NULL) printf("%s:", filename); - printf("%s\n", codename); + 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 +#ifdef INPUT_OPTION -nkf_char hex_getc(nkf_char ch, FILE *f, nkf_char (*g)(FILE *f), nkf_char (*u)(nkf_char c, FILE *f)) +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; + return c1; } c2 = (*g)(f); if (!nkf_isxdigit(c2)){ - (*u)(c2, f); - return c1; + (*u)(c2, f); + return c1; } c3 = (*g)(f); if (!nkf_isxdigit(c3)){ - (*u)(c2, f); - (*u)(c3, f); - return c1; + (*u)(c2, f); + (*u)(c3, f); + return c1; } return (hex2bin(c2) << 4) | hex2bin(c3); } -nkf_char cap_getc(FILE *f) +static nkf_char +cap_getc(FILE *f) { return hex_getc(':', f, i_cgetc, i_cungetc); } -nkf_char cap_ungetc(nkf_char c, FILE *f) +static nkf_char +cap_ungetc(nkf_char c, FILE *f) { return (*i_cungetc)(c, f); } -nkf_char url_getc(FILE *f) +static nkf_char +url_getc(FILE *f) { return hex_getc('%', f, i_ugetc, i_uungetc); } -nkf_char url_ungetc(nkf_char c, FILE *f) +static nkf_char +url_ungetc(nkf_char c, FILE *f) { return (*i_uungetc)(c, f); } #endif #ifdef NUMCHAR_OPTION -nkf_char numchar_getc(FILE *f) +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[8]; + 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]); - } - } - } + 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 CLASS_UNICODE | c; + return nkf_char_unicode_new(c); } while (i > 0){ - (*u)(buf[i], f); - --i; + (*u)(buf[i], f); + --i; } return buf[0]; } -nkf_char numchar_ungetc(nkf_char c, FILE *f) +static nkf_char +numchar_ungetc(nkf_char c, FILE *f) { return (*i_nungetc)(c, f); } @@ -5057,54 +4266,90 @@ nkf_char numchar_ungetc(nkf_char c, FILE *f) #ifdef UNICODE_NORMALIZATION -/* Normalization Form C */ -nkf_char nfc_getc(FILE *f) +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 nkf_nfchar *array; -#if 0 - extern const struct normalization_pair normalization_table[]; -#endif - - buf[i] = (*g)(f); - while (k > 0 && ((buf[i] & 0xc0) != 0x80)){ - lower=0, upper=NORMALIZATION_TABLE_LENGTH-1; - while (upper >= lower) { - j = (lower+upper) / 2; - array = normalization_table[j].nfd; - for (k=0; k < NORMALIZATION_TABLE_NFD_LENGTH && array[k]; k++){ - if (array[k] != buf[k]){ - array[k] < buf[k] ? (lower = j + 1) : (upper = j - 1); - k = 0; + nkf_buf_t *buf = nkf_buf_new(9); + const unsigned char *array; + int lower=0, upper=NORMALIZATION_TABLE_LENGTH-1; + nkf_char c = (*g)(f); + + if (c == EOF || c > 0xFF || (c & 0xc0) == 0x80) return c; + + nkf_buf_push(buf, (unsigned char)c); + do { + while (lower <= upper) { + int mid = (lower+upper) / 2; + int len; + array = normalization_table[mid].nfd; + for (len=0; len < NORMALIZATION_TABLE_NFD_LENGTH && array[len]; len++) { + if (len >= nkf_buf_length(buf)) { + c = (*g)(f); + if (c == EOF) { + len = 0; + lower = 1, upper = 0; + break; + } + nkf_buf_push(buf, c); + } + if (array[len] != nkf_buf_at(buf, len)) { + if (array[len] < nkf_buf_at(buf, len)) lower = mid + 1; + else upper = mid - 1; + len = 0; break; - } else if (k >= i) - buf[++i] = (*g)(f); + } } - if (k > 0){ - array = normalization_table[j].nfc; + if (len > 0) { + int i; + array = normalization_table[mid].nfc; + nkf_buf_clear(buf); for (i=0; i < NORMALIZATION_TABLE_NFC_LENGTH && array[i]; i++) - buf[i] = (nkf_char)(array[i]); - i--; + nkf_buf_push(buf, array[i]); break; } } - while (i > 0) - (*u)(buf[i--], f); - } - return buf[0]; + } while (lower <= upper); + + while (nkf_buf_length(buf) > 1) (*u)(nkf_buf_pop(buf), f); + c = nkf_buf_pop(buf); + nkf_buf_dispose(buf); + + return c; } -nkf_char nfc_ungetc(nkf_char c, FILE *f) +static nkf_char +nfc_ungetc(nkf_char c, FILE *f) { return (*i_nfc_ungetc)(c, f); } #endif /* UNICODE_NORMALIZATION */ -nkf_char +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; @@ -5114,8 +4359,8 @@ mime_getc(FILE *f) char *lwsp_buf_new; nkf_char lwsp_size = 128; - if (mime_top != mime_last) { /* Something is in FIFO */ - return Fifo(mime_top++); + 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; @@ -5124,211 +4369,193 @@ mime_getc(FILE *f) } if (mimebuf_f == FIXED_MIME) - exit_mode = mime_decode_mode; + exit_mode = mime_decode_mode; else - exit_mode = FALSE; + exit_mode = FALSE; if (mime_decode_mode == 'Q') { - if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF); -restart_mime_q: - if (c1=='_' && mimebuf_f != FIXED_MIME) return ' '; - if (c1<=' ' || DEL<=c1) { + 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)) { + 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; + + 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; - } + lwsp_buf = nkf_xmalloc((lwsp_size+5)*sizeof(char)); while ((c1=(*i_getc)(f))!=EOF) { switch (c1) { - case NL: + case LF: case CR: - if (c1==NL) { - if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) { - i_ungetc(SPACE,f); + if (c1==LF) { + if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) { + i_ungetc(SP,f); continue; } else { i_ungetc(c1,f); } - c1 = NL; + c1 = LF; } else { - if ((c1=(*i_getc)(f))!=EOF && c1 == NL) { - if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) { - i_ungetc(SPACE,f); + if ((c1=(*i_getc)(f))!=EOF && c1 == LF) { + if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) { + i_ungetc(SP,f); continue; } else { i_ungetc(c1,f); } - i_ungetc(NL,f); + i_ungetc(LF,f); } else { i_ungetc(c1,f); } c1 = CR; } break; - case SPACE: + 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_new = nkf_xrealloc(lwsp_buf, (lwsp_size+5)*sizeof(char)); lwsp_buf = lwsp_buf_new; } continue; } break; } - if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SPACE && lwsp_buf[lwsp_count-1] != TAB))) { + 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=='='&&c2<' ') { /* this is soft wrap */ - while((c1 = (*i_mgetc)(f)) <=' ') { + nkf_xfree(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_new = nkf_xrealloc(lwsp_buf, (lwsp_size+5)*sizeof(char)); lwsp_buf = lwsp_buf_new; } continue; } break; } - if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SPACE && lwsp_buf[lwsp_count-1] != TAB))) { + 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; + nkf_xfree(lwsp_buf); + return c1; } -mime_c3_retry: - if ((c3 = (*i_mgetc)(f))<=' ') { - if (c3==EOF) - return (EOF); + 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; + if (mimebuf_f!=FIXED_MIME) input_mode = ASCII; + return c3; } -mime_c4_retry: - if ((c4 = (*i_mgetc)(f))<=' ') { - if (c4==EOF) - return (EOF); + 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; + if (mimebuf_f!=FIXED_MIME) input_mode = ASCII; + return c4; } mime_decode_mode = mode; /* still in MIME sigh... */ @@ -5341,147 +4568,112 @@ mime_c4_retry: t4 = 0x3f & base64decode(c4); cc = ((t1 << 2) & 0x0fc) | ((t2 >> 4) & 0x03); if (c2 != '=') { - Fifo(mime_last++) = (unsigned char)cc; - cc = ((t2 << 4) & 0x0f0) | ((t3 >> 2) & 0x0f); - if (c3 != '=') { - Fifo(mime_last++) = (unsigned char)cc; - cc = ((t3 << 6) & 0x0c0) | (t4 & 0x3f); - if (c4 != '=') - Fifo(mime_last++) = (unsigned char)cc; - } - } else { - return c1; - } - return Fifo(mime_top++); -} - -nkf_char mime_ungetc(nkf_char c, FILE *f) -{ - Fifo(--mime_top) = (unsigned char)c; - return c; -} - -nkf_char mime_integrity(FILE *f, const unsigned char *p) -{ - nkf_char c,d; - unsigned int q; - /* In buffered mode, read until =? or NL or buffer full - */ - mime_input = mime_top; - mime_last = mime_top; - - while(*p) Fifo(mime_input++) = *p++; - d = 0; - q = mime_input; - while((c=(*i_getc)(f))!=EOF) { - if (((mime_input-mime_top)&MIME_BUF_MASK)==0) { - break; /* buffer full */ - } - if (c=='=' && d=='?') { - /* checked. skip header, start decode */ - Fifo(mime_input++) = (unsigned char)c; - /* mime_last_input = mime_input; */ - mime_input = q; - switch_mime_getc(); - return 1; - } - if (!( (c=='+'||c=='/'|| c=='=' || c=='?' || is_alnum(c)))) - break; - /* Should we check length mod 4? */ - Fifo(mime_input++) = (unsigned char)c; - d=c; - } - /* In case of Incomplete MIME, no MIME decode */ - Fifo(mime_input++) = (unsigned char)c; - mime_last = mime_input; /* point undecoded buffer */ - mime_decode_mode = 1; /* no decode on Fifo last in mime_getc */ - switch_mime_getc(); /* anyway we need buffered getc */ - return 1; -} - -nkf_char base64decode(nkf_char c) -{ - int i; - if (c > '@') { - if (c < '[') { - i = c - 'A'; /* A..Z 0-25 */ - } else { - i = c - 'G' /* - 'a' + 26 */ ; /* a..z 26-51 */ + 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 if (c > '/') { - i = c - '0' + '4' /* - '0' + 52 */ ; /* 0..9 52-61 */ - } else if (c == '+') { - i = '>' /* 62 */ ; /* + 62 */ } else { - i = '?' /* 63 */ ; /* / 63 */ + return c1; } - return (i); + return mime_input_buf(mime_input_state.top++); } static const char basis_64[] = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; -static nkf_char b64c; -#define MIMEOUT_BUF_LENGTH (60) -char mimeout_buf[MIMEOUT_BUF_LENGTH+1]; -int mimeout_buf_count = 0; -int mimeout_preserve_space = 0; -#define itoh4(c) (c>=10?c+'A'-10:c+'0') +#define MIMEOUT_BUF_LENGTH 74 +static struct { + char buf[MIMEOUT_BUF_LENGTH+1]; + int count; +} mimeout_state; -void open_mime(nkf_char mode) +/*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_encode[i];i++) { + 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_buf_count>0 && nkf_isblank(mimeout_buf[i])){ - (*o_mputc)(mimeout_buf[i]); + if (mimeout_state.count>0 && nkf_isblank(mimeout_state.buf[i])){ + (*o_mputc)(mimeout_state.buf[i]); i++; } - (*o_mputc)(NL); - (*o_mputc)(SPACE); + PUT_NEWLINE((*o_mputc)); + (*o_mputc)(SP); base64_count = 1; - if (!mimeout_preserve_space && mimeout_buf_count>0 - && (mimeout_buf[i]==SPACE || mimeout_buf[i]==TAB - || mimeout_buf[i]==CR || mimeout_buf[i]==NL )) { + if (mimeout_state.count>0 && nkf_isspace(mimeout_state.buf[i])) { i++; } } - if (!mimeout_preserve_space) { - 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; + } } } -void close_mime(void) +static void +close_mime(void) { (*o_mputc)('?'); (*o_mputc)('='); @@ -5489,549 +4681,1966 @@ void close_mime(void) mimeout_mode = 0; } -void eof_mime(void) +static void +eof_mime(void) { switch(mimeout_mode) { case 'Q': case 'B': break; case 2: - (*o_mputc)(basis_64[((b64c & 0x3)<< 4)]); + (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0x3)<< 4)]); (*o_mputc)('='); (*o_mputc)('='); base64_count += 3; break; case 1: - (*o_mputc)(basis_64[((b64c & 0xF) << 2)]); + (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0xF) << 2)]); (*o_mputc)('='); base64_count += 2; break; } - if (mimeout_mode) { + if (mimeout_mode > 0) { if (mimeout_f!=FIXED_MIME) { - close_mime(); + close_mime(); } else if (mimeout_mode != 'Q') mimeout_mode = 'B'; } } -void mimeout_addchar(nkf_char c) +static void +mimeout_addchar(nkf_char c) { switch(mimeout_mode) { case 'Q': - if (c==CR||c==NL) { + if (c==CR||c==LF) { (*o_mputc)(c); base64_count = 0; } else if(!nkf_isalnum(c)) { (*o_mputc)('='); - (*o_mputc)(itoh4(((c>>4)&0xf))); - (*o_mputc)(itoh4((c&0xf))); + (*o_mputc)(bin2hex(((c>>4)&0xf))); + (*o_mputc)(bin2hex((c&0xf))); base64_count += 3; } else { (*o_mputc)(c); base64_count++; } - break; + break; case 'B': - b64c=c; - (*o_mputc)(basis_64[c>>2]); - mimeout_mode=2; - base64_count ++; - break; + nkf_state->mimeout_state=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; + (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0x3)<< 4) | ((c & 0xF0) >> 4)]); + nkf_state->mimeout_state=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; + (*o_mputc)(basis_64[((nkf_state->mimeout_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; + 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){ + static const char *str = "boundary=\""; + static int len = 10; + i = 0; + + for (; i < mimeout_state.count - len; ++i) { + if (!strncmp(mimeout_state.buf+i, str, len)) { + i += len - 2; + break; + } + } + + if (i == 0 || i == mimeout_state.count - len) { + PUT_NEWLINE((*o_mputc)); + base64_count = 0; + if (!nkf_isspace(mimeout_state.buf[0])){ + (*o_mputc)(SP); + base64_count++; + } + } + else { + int j; + for (j = 0; j <= i; ++j) { + (*o_mputc)(mimeout_state.buf[j]); + } + PUT_NEWLINE((*o_mputc)); + base64_count = 1; + for (; j <= mimeout_state.count; ++j) { + mimeout_state.buf[j - i] = mimeout_state.buf[j]; + } + mimeout_state.count -= i; + } + } + 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;i 66){ - (*o_base64conv)(EOF,0); - (*o_base64conv)(0,NL); - (*o_base64conv)(0,SPACE); - } - }/*else if (mime_lastchar2){ - if (c1 <=DEL && !nkf_isspace(c1)){ - (*o_base64conv)(0,SPACE); - } - }*/ - }/*else{ - if (c2 && mime_lastchar2 == 0 - && mime_lastchar1 && !nkf_isspace(mime_lastchar1)){ - (*o_base64conv)(0,SPACE); - } - }*/ - mime_lastchar2 = c2; - mime_lastchar1 = c1; + nkf_iconv_t converter; + + converter->input_buffer_size = IOBUF_SIZE; + converter->input_buffer = nkf_xmalloc(converter->input_buffer_size); + converter->output_buffer_size = IOBUF_SIZE * 2; + converter->output_buffer = nkf_xmalloc(converter->output_buffer_size); + 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) +{ + nkf_xfree(converter->inbuf); + nkf_xfree(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; + z_prev2=0,z_prev1=0; +#ifdef CHECK_OPTION + iconv_for_check = 0; +#endif + input_codename = NULL; + input_encoding = NULL; + output_encoding = NULL; + nkf_state_init(); +#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 if (nkf_char_unicode_p(c1)) { + (*oconv)(0, c1); + NEXT; + } + 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 == '$') { + /* J-PHONE emoji */ + if ((c1 = (*i_getc)(f)) == EOF) { + LAST; + } else if (('E' <= c1 && c1 <= 'G') || + ('O' <= c1 && c1 <= 'Q')) { + /* + NUM : 0 1 2 3 4 5 + BYTE: G E F O P Q + C%7 : 1 6 0 2 3 4 + C%7 : 0 1 2 3 4 5 6 + NUM : 2 0 3 4 5 X 1 + */ + static const nkf_char jphone_emoji_first_table[7] = + {0xE1E0, 0xDFE0, 0xE2E0, 0xE3E0, 0xE4E0, 0xDFE0, 0xE0E0}; + c3 = nkf_char_unicode_new(jphone_emoji_first_table[c1 % 7]); + if ((c1 = (*i_getc)(f)) == EOF) LAST; + while (SP <= c1 && c1 <= 'z') { + (*oconv)(0, c1 + c3); + if ((c1 = (*i_getc)(f)) == EOF) LAST; + } + SKIP; + } + else { + (*oconv)(0, ESC); + (*oconv)(0, '$'); + 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 + 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 mime_putc(nkf_char c) +#ifdef WIN32DLL +#include "nkf32dll.c" +#elif defined(PERL_XS) +#else /* WIN32DLL */ +int +main(int argc, char **argv) { - int i, j; - nkf_char lastchar; + FILE *fin; + unsigned char *cp; - if (mimeout_f == FIXED_MIME){ - if (mimeout_mode == 'Q'){ - if (base64_count > 71){ - if (c!=CR && c!=NL) { - (*o_mputc)('='); - (*o_mputc)(NL); - } - base64_count = 0; - } - }else{ - if (base64_count > 71){ - eof_mime(); - (*o_mputc)(NL); - base64_count = 0; - } - if (c == EOF) { /* c==EOF */ - eof_mime(); - } - } - if (c != EOF) { /* c==EOF */ - mimeout_addchar(c); - } - return; - } - - /* mimeout_f != FIXED_MIME */ + char *outfname = NULL; + char *origfname; - if (c == EOF) { /* c==EOF */ - j = mimeout_buf_count; - mimeout_buf_count = 0; - i = 0; - if (mimeout_mode) { - for (;i 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(); } - } else { - for (;i 0){ + close(fds[0]); + dup2(fds[1], 1); + }else{ + close(fds[1]); + dup2(fds[0], 0); + } + execvp(argv[1], &argv[1]); } - } - return; - } - - if (mimeout_mode=='Q') { - if (c <= DEL && (output_mode==ASCII ||output_mode == ISO8859_1 ) ) { - if (c <= SPACE) { - close_mime(); - (*o_mputc)(SPACE); - base64_count++; - } - (*o_mputc)(c); - base64_count++; - } - return; - } - - if (mimeout_buf_count > 0){ - lastchar = mimeout_buf[mimeout_buf_count - 1]; - }else{ - lastchar = -1; - } - - if (!mimeout_mode) { - if (c <= DEL && (output_mode==ASCII ||output_mode == ISO8859_1)) { - if (nkf_isspace(c)) { - if (c==CR || c==NL) { - base64_count=0; - } - for (i=0;i 1 - && base64_count + mimeout_buf_count > 76){ - (*o_mputc)(NL); - base64_count = 0; - if (!nkf_isspace(mimeout_buf[0])){ - (*o_mputc)(SPACE); - base64_count++; - } - } - mimeout_buf[mimeout_buf_count++] = (char)c; - if (mimeout_buf_count>MIMEOUT_BUF_LENGTH) { - open_mime(output_mode); - } - } - return; - }else{ - if (lastchar==CR || lastchar == NL){ - for (i=0;iMIMEOUT_BUF_LENGTH) { - eof_mime(); - for (i=0;i0 && SPACEMIMEOUT_BUF_LENGTH) { - j = mimeout_buf_count; - mimeout_buf_count = 0; - for (i=0;i0) { - j = mimeout_buf_count; - mimeout_buf_count = 0; - for (i=0;i 0){ + close(fds[1]); + dup2(fds[0], 0); + }else{ + close(fds[0]); + dup2(fds[1], 1); } - open_mime(output_mode); + argc = 0; + break; } +#endif } - mimeout_addchar(c); -} - -#if defined(PERL_XS) || defined(WIN32DLL) -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; - input_f = FALSE; - alpha_f = FALSE; - mime_f = STRICT_MIME; - mime_decode_f = FALSE; - mimebuf_f = FALSE; - broken_f = FALSE; - iso8859_f = FALSE; - mimeout_f = FALSE; -#if defined(MSDOS) || defined(__OS2__) - x0201_f = TRUE; -#else - x0201_f = NO_X0201; -#endif - iso2022jp_f = FALSE; -#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) - ms_ucs_map_f = UCS_MAP_ASCII; -#endif -#ifdef UTF8_INPUT_ENABLE - no_cp932ext_f = FALSE; - no_best_fit_chars_f = FALSE; - encode_fallback = NULL; - unicode_subchar = '?'; - input_endian = ENDIAN_BIG; -#endif -#ifdef UTF8_OUTPUT_ENABLE - output_bom_f = FALSE; - output_endian = ENDIAN_BIG; -#endif -#ifdef UNICODE_NORMALIZATION - nfc_f = FALSE; -#endif -#ifdef INPUT_OPTION - cap_f = FALSE; - url_f = FALSE; - numchar_f = FALSE; -#endif + if (guess_f) { #ifdef CHECK_OPTION - noout_f = FALSE; - debug_f = FALSE; + int debug_f_back = debug_f; #endif - guess_f = FALSE; - is_inputcode_mixed = FALSE; - is_inputcode_set = FALSE; #ifdef EXEC_IO - exec_f = 0; -#endif -#ifdef SHIFTJIS_CP932 - cp51932_f = TRUE; - cp932inv_f = TRUE; + int exec_f_back = exec_f; #endif #ifdef X0212_ENABLE - x0212_f = FALSE; - x0213_f = FALSE; + int x0212_f_back = x0212_f; #endif - { - int i; - for (i = 0; i < 256; i++){ - prefix_table[i] = 0; - } - } - hold_count = 0; - mimeout_buf_count = 0; - mimeout_mode = 0; - base64_count = 0; - f_line = 0; - f_prev = 0; - fold_preserve_f = FALSE; - fold_f = FALSE; - fold_len = 0; - kanji_intro = DEFAULT_J; - ascii_intro = DEFAULT_R; - fold_margin = FOLD_MARGIN; - output_conv = DEFAULT_CONV; - oconv = DEFAULT_CONV; - o_zconv = no_connection; - o_fconv = no_connection; - o_crconv = no_connection; - o_rot_conv = no_connection; - o_hira_conv = no_connection; - o_base64conv = no_connection; - o_iso2022jp_check_conv = no_connection; - o_putc = std_putc; - i_getc = std_getc; - i_ungetc = std_ungetc; - i_bgetc = std_getc; - i_bungetc = std_ungetc; - o_mputc = std_putc; - i_mgetc = std_getc; - i_mungetc = std_ungetc; - i_mgetc_buf = std_getc; - i_mungetc_buf = std_ungetc; - output_mode = ASCII; - input_mode = ASCII; - shift_mode = FALSE; - mime_decode_mode = FALSE; - file_out_f = FALSE; - crmode_f = 0; - option_mode = 0; - broken_counter = 0; - broken_last = 0; - z_prev2=0,z_prev1=0; + int x0213_f_back = x0213_f; + int guess_f_back = guess_f; + reinit(); + guess_f = guess_f_back; + mime_f = FALSE; #ifdef CHECK_OPTION - iconv_for_check = 0; + debug_f = debug_f_back; #endif - input_codename = ""; -#ifdef WIN32DLL - reinitdll(); -#endif /*WIN32DLL*/ -} +#ifdef EXEC_IO + exec_f = exec_f_back; #endif + x0212_f = x0212_f_back; + x0213_f = x0213_f_back; + } -void no_connection(nkf_char c2, nkf_char c1) -{ - no_connection2(c2,c1,0); -} + if (binmode_f == TRUE) +#if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__)) + if (freopen("","wb",stdout) == NULL) + return (-1); +#else + setbinmode(stdout); +#endif -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 */ -} + if (unbuf_f) + setbuf(stdout, (char *) NULL); + else + setvbuffer(stdout, (char *) stdobuf, IOBUF_SIZE); -#ifndef PERL_XS -#ifdef WIN32DLL -#define fprintf dllprintf -#endif -void usage(void) -{ - fprintf(stderr,"USAGE: nkf(nkf32,wnkf,nkf2) -[flags] [in file] .. [out file for -O flag]\n"); - fprintf(stderr,"Flags:\n"); - fprintf(stderr,"b,u Output is buffered (DEFAULT),Output is unbuffered\n"); -#ifdef DEFAULT_CODE_SJIS - fprintf(stderr,"j,s,e,w Output code is JIS 7 bit, Shift_JIS (DEFAULT), EUC-JP, UTF-8N\n"); -#endif -#ifdef DEFAULT_CODE_JIS - fprintf(stderr,"j,s,e,w Output code is JIS 7 bit (DEFAULT), Shift JIS, EUC-JP, UTF-8N\n"); -#endif -#ifdef DEFAULT_CODE_EUC - fprintf(stderr,"j,s,e,w Output code is JIS 7 bit, Shift JIS, EUC-JP (DEFAULT), UTF-8N\n"); + 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 -#ifdef DEFAULT_CODE_UTF8 - fprintf(stderr,"j,s,e,w Output code is JIS 7 bit, Shift JIS, EUC-JP, UTF-8N (DEFAULT)\n"); + 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 -#ifdef UTF8_OUTPUT_ENABLE - fprintf(stderr," After 'w' you can add more options. -w[ 8 [0], 16 [[BL] [0]] ]\n"); + 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 - fprintf(stderr,"J,S,E,W Input assumption is JIS 7 bit , Shift JIS, EUC-JP, UTF-8\n"); -#ifdef UTF8_INPUT_ENABLE - fprintf(stderr," After 'W' you can add more options. -W[ 8, 16 [BL] ] \n"); -#endif - fprintf(stderr,"t no conversion\n"); - fprintf(stderr,"i[@B] Specify the Esc Seq for JIS X 0208-1978/83 (DEFAULT B)\n"); - fprintf(stderr,"o[BJH] Specify the Esc Seq for ASCII/Roman (DEFAULT B)\n"); - fprintf(stderr,"r {de/en}crypt ROT13/47\n"); - fprintf(stderr,"h 1 katakana->hiragana, 2 hiragana->katakana, 3 both\n"); - fprintf(stderr,"v Show this usage. V: show version\n"); - fprintf(stderr,"m[BQN0] MIME decode [B:base64,Q:quoted,N:non-strict,0:no decode]\n"); - fprintf(stderr,"M[BQ] MIME encode [B:base64 Q:quoted]\n"); - fprintf(stderr,"l ISO8859-1 (Latin-1) support\n"); - fprintf(stderr,"f/F Folding: -f60 or -f or -f60-10 (fold margin 10) F preserve nl\n"); - fprintf(stderr,"Z[0-3] Convert X0208 alphabet to ASCII\n"); - fprintf(stderr," 1: Kankaku to 1 space 2: to 2 spaces 3: Convert to HTML Entity\n"); - fprintf(stderr,"X,x Assume X0201 kana in MS-Kanji, -x preserves X0201\n"); - fprintf(stderr,"B[0-2] Broken input 0: missing ESC,1: any X on ESC-[($]-X,2: ASCII on NL\n"); + + /* reopen file for stdout */ + if (file_out_f == TRUE) { +#ifdef OVERWRITE + if (overwrite_f){ + outfname = nkf_xmalloc(strlen(origfname) + + strlen(".nkftmpXXXXXX") + + 1); + strcpy(outfname, origfname); #ifdef MSDOS - fprintf(stderr,"T Text mode output\n"); -#endif - fprintf(stderr,"O Output to File (DEFAULT 'nkf.out')\n"); - fprintf(stderr,"I Convert non ISO-2022-JP charactor to GETA\n"); - fprintf(stderr,"d,c Convert line breaks -d: LF -c: CRLF\n"); - fprintf(stderr,"-L[uwm] line mode u:LF w:CRLF m:CR (DEFAULT noconversion)\n"); - fprintf(stderr,"\n"); - fprintf(stderr,"Long name options\n"); - fprintf(stderr," --ic= --oc=\n"); - fprintf(stderr," Specify the input or output codeset\n"); - fprintf(stderr," --fj --unix --mac --windows\n"); - fprintf(stderr," --jis --euc --sjis --utf8 --utf16 --mime --base64\n"); - fprintf(stderr," Convert for the system or code\n"); - fprintf(stderr," --hiragana --katakana --katakana-hiragana\n"); - fprintf(stderr," To Hiragana/Katakana Conversion\n"); - fprintf(stderr," --prefix= Insert escape before troublesome characters of Shift_JIS\n"); -#ifdef INPUT_OPTION - fprintf(stderr," --cap-input, --url-input Convert hex after ':' or '%%'\n"); + { + 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 -#ifdef NUMCHAR_OPTION - fprintf(stderr," --numchar-input Convert Unicode Character Reference\n"); + if (fd < 0 + || (fd_backup = dup(fileno(stdout))) < 0 + || dup2(fd, fileno(stdout)) < 0 + ){ + perror(origfname); + return -1; + } + }else #endif -#ifdef UTF8_INPUT_ENABLE - fprintf(stderr," --fb-{skip, html, xml, perl, java, subchar}\n"); - fprintf(stderr," Specify how nkf handles unassigned characters\n"); + 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 - fprintf(stderr," --in-place[=SUFFIX] --overwrite[=SUFFIX]\n"); - fprintf(stderr," Overwrite original listed files by filtered result\n"); - fprintf(stderr," --overwrite preserves timestamp of original files\n"); -#endif - fprintf(stderr," -g --guess Guess the input code\n"); - fprintf(stderr," --help --version Show this help/the version\n"); - fprintf(stderr," For more information, see also man nkf\n"); - fprintf(stderr,"\n"); - version(); -} + 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 -void version(void) -{ - fprintf(stderr,"Network Kanji Filter Version %s (%s) " -#if defined(MSDOS) && !defined(__WIN32__) && !defined(__WIN16__) && !defined(__OS2__) - "for DOS" + 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 defined(MSDOS) && defined(__WIN16__) - "for Win16" + } + if(backup_f){ + char *backup_filename = get_backup_filename(backup_suffix, origfname); +#ifdef MSDOS + unlink(backup_filename); #endif -#if defined(MSDOS) && defined(__WIN32__) - "for Win32" + if (rename(origfname, backup_filename)) { + perror(backup_filename); + fprintf(stderr, "Can't rename %s to %s\n", + origfname, backup_filename); + } + nkf_xfree(backup_filename); + }else{ +#ifdef MSDOS + if (unlink(origfname)){ + perror(origfname); + } #endif -#ifdef __OS2__ - "for OS/2" + } + if (rename(outfname, origfname)) { + perror(origfname); + fprintf(stderr, "Can't rename %s to %s\n", + outfname, origfname); + } + nkf_xfree(outfname); + } #endif - ,NKF_VERSION,NKF_RELEASE_DATE); - fprintf(stderr,"\n%s\n",CopyRight); + } + } + 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 /*PERL_XS*/ - -/** - ** パッチ制作者 - ** void@merope.pleiades.or.jp (Kusakabe Youichi) - ** NIDE Naoyuki - ** ohta@src.ricoh.co.jp (Junn Ohta) - ** inouet@strl.nhk.or.jp (Tomoyuki Inoue) - ** kiri@pulser.win.or.jp (Tetsuaki Kiriyama) - ** Kimihiko Sato - ** a_kuroe@kuroe.aoba.yokohama.jp (Akihiko Kuroe) - ** kono@ie.u-ryukyu.ac.jp (Shinji Kono) - ** GHG00637@nifty-serve.or.jp (COW) - ** - **/ - -/* end */ +#endif /* WIN32DLL */