Mercurial > hg > Applications > mh
diff nkf-utf8/nkf.c @ 10:a6481689f99c
*** empty log message ***
| author | kono |
|---|---|
| date | Wed, 06 Dec 2006 03:17:53 +0900 |
| parents | |
| children | 441a2190cfae |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nkf-utf8/nkf.c Wed Dec 06 03:17:53 2006 +0900 @@ -0,0 +1,4810 @@ +/** Network Kanji Filter. (PDS Version) +************************************************************************ +** Copyright (C) 1987, Fujitsu LTD. (Itaru ICHIKAWA) +** $BO"Mm@h!'(B $B!J3t!KIY;NDL8&5f=j!!%=%U%H#38&!!;T@n!!;j(B +** $B!J(BE-Mail Address: ichikawa@flab.fujitsu.co.jp$B!K(B +** Copyright (C) 1996,1998 +** Copyright (C) 2002 +** $BO"Mm@h!'(B $BN05eBg3X>pJs9)3X2J(B $B2OLn(B $B??<#(B mime/X0208 support +** $B!J(BE-Mail Address: kono@ie.u-ryukyu.ac.jp$B!K(B +** $BO"Mm@h!'(B COW for DOS & Win16 & Win32 & OS/2 +** $B!J(BE-Mail Address: GHG00637@niftyserve.or.p$B!K(B +** +** $B$3$N%=!<%9$N$$$+$J$kJ#<L!$2~JQ!$=$@5$b5vBz$7$^$9!#$?$@$7!"(B +** $B$=$N:]$K$O!"C/$,9W8%$7$?$r<($9$3$NItJ,$r;D$9$3$H!#(B +** $B:FG[I[$d;(;o$NIUO?$J$I$NLd$$9g$o$;$bI,MW$"$j$^$;$s!#(B +** $B1DMxMxMQ$b>e5-$KH?$7$J$$HO0O$G5v2D$7$^$9!#(B +** $B%P%$%J%j$NG[I[$N:]$K$O(Bversion message$B$rJ]B8$9$k$3$H$r>r7o$H$7$^$9!#(B +** $B$3$N%W%m%0%i%`$K$D$$$F$OFC$K2?$NJ]>Z$b$7$J$$!"0-$7$+$i$:!#(B +** +** Everyone is permitted to do anything on this program +** including copying, modifying, improving, +** as long as you don't try to pretend that you wrote it. +** i.e., the above copyright notice has to appear in all copies. +** Binary distribution requires original version messages. +** You don't have to ask before copying, redistribution or publishing. +** THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE. +***********************************************************************/ + +/*********************************************************************** +** UTF-8 $B%5%]!<%H$K$D$$$F(B +** $B=>Mh$N(B nkf $B$HF~$l$+$($F$=$N$^$^;H$($k$h$&$K$J$C$F$$$^$9(B +** nkf -e $B$J$I$H$7$F5/F0$9$k$H!"<+F0H=JL$G(B UTF-8 $B$HH=Dj$5$l$l$P!"(B +** $B$=$N$^$^(B euc-jp $B$KJQ49$5$l$^$9(B +** +** $B$^$@%P%0$,$"$k2DG=@-$,9b$$$G$9!#(B +** ($BFC$K<+F0H=JL!"%3!<%I:.:_!"%(%i!<=hM}7O(B) +** +** $B2?$+LdBj$r8+$D$1$?$i!"(B +** E-Mail: furukawa@tcp-ip.or.jp +** $B$^$G8fO"Mm$r$*4j$$$7$^$9!#(B +***********************************************************************/ +/* $Id$ */ +#define NKF_VERSION "2.0.5" +#define NKF_RELEASE_DATE "2005-04-10" +#include "config.h" + +static char *CopyRight = + "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),2000 S. Kono, COW, 2002-2005 Kono, Furukawa, Naruse"; + + +/* +** +** +** +** USAGE: nkf [flags] [file] +** +** Flags: +** b Output is buffered (DEFAULT) +** u Output is unbuffered +** +** t no operation +** +** j Outout code is JIS 7 bit (DEFAULT SELECT) +** s Output code is MS Kanji (DEFAULT SELECT) +** e Output code is AT&T JIS (DEFAULT SELECT) +** w Output code is AT&T JIS (DEFAULT SELECT) +** l Output code is JIS 7bit and ISO8859-1 Latin-1 +** +** m MIME conversion for ISO-2022-JP +** I Convert non ISO-2022-JP charactor to GETA by Pekoe <pekoe@lair.net> +** 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(MSDOS) +#define MSDOS +#if (defined(__Win32__) || defined(_WIN32)) && !defined(__WIN32__) +#define __WIN32__ +#endif +#endif + +#ifdef PERL_XS +#undef OVERWRITE +#endif + +#ifndef PERL_XS +#include <stdio.h> +#endif + +#include <stdlib.h> + +#if defined(MSDOS) || defined(__OS2__) +#include <fcntl.h> +#include <io.h> +#endif + +#ifdef MSDOS +#ifdef LSI_C +#define setbinmode(fp) fsetbin(fp) +#else /* Microsoft C, Turbo C */ +#define setbinmode(fp) setmode(fileno(fp), O_BINARY) +#endif +#else /* UNIX,OS/2 */ +#define setbinmode(fp) +#endif + +#ifdef _IOFBF /* SysV and MSDOS, 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 <windows.h> +#endif + +#ifdef OVERWRITE +/* added by satoru@isoternet.org */ +#include <string.h> +#include <sys/stat.h> +#ifndef MSDOS /* UNIX, OS/2 */ +#include <unistd.h> +#include <utime.h> +#else /* defined(MSDOS) */ +#ifdef __WIN32__ +#ifdef __BORLANDC__ /* BCC32 */ +#include <utime.h> +#else /* !defined(__BORLANDC__) */ +#include <sys/utime.h> +#endif /* (__BORLANDC__) */ +#else /* !defined(__WIN32__) */ +#if defined(_MSC_VER) || defined(__MINGW32__) /* VC++, MinGW */ +#include <sys/utime.h> +#elif defined(__TURBOC__) /* BCC */ +#include <utime.h> +#elif defined(LSI_C) /* LSI C */ +#endif /* (__WIN32__) */ +#endif +#endif +#endif + +#ifdef INT_IS_SHORT +#define int long +#endif + +#define FALSE 0 +#define TRUE 1 + +/* state of output_mode and input_mode + + c2 0 means ASCII + X0201 + ISO8859_1 + X0208 + EOF all termination + c1 32bit data + + */ + +#define ASCII 0 +#define X0208 1 +#define X0201 2 +#define ISO8859_1 8 +#define NO_X0201 3 +#define X0212 16 + +/* Input Assumption */ + +#define JIS_INPUT 4 +#define SJIS_INPUT 5 +#define LATIN1_INPUT 6 +#define FIXED_MIME 7 +#define STRICT_MIME 8 + +/* MIME ENCODE */ + +#define ISO2022JP 9 +#define JAPANESE_EUC 10 +#define SHIFT_JIS 11 + +#define UTF8 12 +#define UTF8_INPUT 13 +#define UTF16BE_INPUT 14 +#define UTF16LE_INPUT 15 + +#define WISH_TRUE 15 + +/* ASCII CODE */ + +#define BS 0x08 +#define TAB 0x09 +#define NL 0x0a +#define CR 0x0d +#define ESC 0x1b +#define SPACE 0x20 +#define AT 0x40 +#define SSP 0xa0 +#define DEL 0x7f +#define SI 0x0f +#define SO 0x0e +#define SSO 0x8e +#define SS3 0x8f + +#define is_alnum(c) \ + (('a'<=c && c<='z')||('A'<= c && c<='Z')||('0'<=c && c<='9')) + +#define HOLD_SIZE 1024 +#define IOBUF_SIZE 16384 + +#define DEFAULT_J 'B' +#define DEFAULT_R 'B' + +#define SJ0162 0x00e1 /* 01 - 62 ku offset */ +#define SJ6394 0x0161 /* 63 - 94 ku offset */ + +#define RANGE_NUM_MAX 18 +#define GETA1 0x22 +#define GETA2 0x2e + + +#if defined( UTF8_OUTPUT_ENABLE ) || defined( UTF8_INPUT_ENABLE ) +#define sizeof_euc_utf8 94 +#define sizeof_euc_to_utf8_1byte 94 +#define sizeof_euc_to_utf8_2bytes 94 +#define sizeof_utf8_to_euc_C2 64 +#define sizeof_utf8_to_euc_E5B8 64 +#define sizeof_utf8_to_euc_2bytes 112 +#define sizeof_utf8_to_euc_3bytes 112 +#endif + +/* MIME preprocessor */ + + +#ifdef EASYWIN /*Easy Win */ +extern POINT _BufferSize; +#endif + +/* function prototype */ + +#ifdef ANSI_C_PROTOTYPE +#define PROTO(x) x +#define STATIC static +#else +#define PROTO(x) () +#define STATIC +#endif + +struct input_code{ + char *name; + int stat; + int score; + int index; + int buf[3]; + void (*status_func)PROTO((struct input_code *, int)); + int (*iconv_func)PROTO((int c2, int c1, int c0)); + int _file_stat; +}; + +STATIC char *input_codename = ""; + +STATIC int noconvert PROTO((FILE *f)); +STATIC int kanji_convert PROTO((FILE *f)); +STATIC int h_conv PROTO((FILE *f,int c2,int c1)); +STATIC int push_hold_buf PROTO((int c2)); +STATIC void set_iconv PROTO((int f, int (*iconv_func)(int c2,int c1,int c0))); +STATIC int s_iconv PROTO((int c2,int c1,int c0)); +STATIC int s2e_conv PROTO((int c2, int c1, int *p2, int *p1)); +STATIC int e_iconv PROTO((int c2,int c1,int c0)); +#ifdef UTF8_INPUT_ENABLE +STATIC int w2e_conv PROTO((int c2,int c1,int c0,int *p2,int *p1)); +STATIC int w_iconv PROTO((int c2,int c1,int c0)); +STATIC int w_iconv16 PROTO((int c2,int c1,int c0)); +STATIC int w_iconv_common PROTO((int c1,int c0,unsigned short **pp,int psize,int *p2,int *p1)); +STATIC int ww16_conv PROTO((int c2, int c1, int c0)); +#endif +#ifdef UTF8_OUTPUT_ENABLE +STATIC int e2w_conv PROTO((int c2,int c1)); +STATIC void w_oconv PROTO((int c2,int c1)); +STATIC void w_oconv16 PROTO((int c2,int c1)); +#endif +STATIC void e_oconv PROTO((int c2,int c1)); +STATIC int e2s_conv PROTO((int c2, int c1, int *p2, int *p1)); +STATIC void s_oconv PROTO((int c2,int c1)); +STATIC void j_oconv PROTO((int c2,int c1)); +STATIC void fold_conv PROTO((int c2,int c1)); +STATIC void cr_conv PROTO((int c2,int c1)); +STATIC void z_conv PROTO((int c2,int c1)); +STATIC void rot_conv PROTO((int c2,int c1)); +STATIC void hira_conv PROTO((int c2,int c1)); +STATIC void base64_conv PROTO((int c2,int c1)); +STATIC void iso2022jp_check_conv PROTO((int c2,int c1)); +STATIC void no_connection PROTO((int c2,int c1)); +STATIC int no_connection2 PROTO((int c2,int c1,int c0)); + +STATIC void code_score PROTO((struct input_code *ptr)); +STATIC void code_status PROTO((int c)); + +STATIC void std_putc PROTO((int c)); +STATIC int std_getc PROTO((FILE *f)); +STATIC int std_ungetc PROTO((int c,FILE *f)); + +STATIC int broken_getc PROTO((FILE *f)); +STATIC int broken_ungetc PROTO((int c,FILE *f)); + +STATIC int mime_begin PROTO((FILE *f)); +STATIC int mime_getc PROTO((FILE *f)); +STATIC int mime_ungetc PROTO((int c,FILE *f)); + +STATIC int mime_begin_strict PROTO((FILE *f)); +STATIC int mime_getc_buf PROTO((FILE *f)); +STATIC int mime_ungetc_buf PROTO((int c,FILE *f)); +STATIC int mime_integrity PROTO((FILE *f,unsigned char *p)); + +STATIC int base64decode PROTO((int c)); +STATIC void mime_prechar PROTO((int c2, int c1)); +STATIC void mime_putc PROTO((int c)); +STATIC void open_mime PROTO((int c)); +STATIC void close_mime PROTO(()); +STATIC void usage PROTO(()); +STATIC void version PROTO(()); +STATIC void options PROTO((unsigned char *c)); +#if defined(PERL_XS) || defined(WIN32DLL) +STATIC void reinit PROTO(()); +#endif + +/* buffers */ + +static unsigned char stdibuf[IOBUF_SIZE]; +static unsigned char stdobuf[IOBUF_SIZE]; +static unsigned char hold_buf[HOLD_SIZE*2]; +static int hold_count; + +/* MIME preprocessor fifo */ + +#define MIME_BUF_SIZE (1024) /* 2^n ring buffer */ +#define MIME_BUF_MASK (MIME_BUF_SIZE-1) +#define Fifo(n) mime_buf[(n)&MIME_BUF_MASK] +static unsigned char mime_buf[MIME_BUF_SIZE]; +static unsigned int mime_top = 0; +static unsigned int mime_last = 0; /* decoded */ +static unsigned int mime_input = 0; /* undecoded */ + +/* flags */ +static int unbuf_f = FALSE; +static int estab_f = FALSE; +static int nop_f = FALSE; +static int binmode_f = TRUE; /* binary mode */ +static int rot_f = FALSE; /* rot14/43 mode */ +static int hira_f = FALSE; /* hira/kata henkan */ +static int input_f = FALSE; /* non fixed input code */ +static int alpha_f = FALSE; /* convert JIx0208 alphbet to ASCII */ +static int mime_f = STRICT_MIME; /* convert MIME B base64 or Q */ +static int mime_decode_f = FALSE; /* mime decode is explicitly on */ +static int mimebuf_f = FALSE; /* MIME buffered input */ +static int broken_f = FALSE; /* convert ESC-less broken JIS */ +static int iso8859_f = FALSE; /* ISO8859 through */ +static int mimeout_f = FALSE; /* base64 mode */ +#if defined(MSDOS) || defined(__OS2__) +static int x0201_f = TRUE; /* Assume JISX0201 kana */ +#else +static int x0201_f = NO_X0201; /* Assume NO JISX0201 */ +#endif +static int iso2022jp_f = FALSE; /* convert ISO-2022-JP */ +#ifdef UTF8_OUTPUT_ENABLE +static int unicode_bom_f= 0; /* Output Unicode BOM */ +static int w_oconv16_LE = 0; /* utf-16 little endian */ +static int ms_ucs_map_f = FALSE; /* Microsoft UCS Mapping Compatible */ +#endif + + +#ifdef NUMCHAR_OPTION + +#define CLASS_MASK 0x0f000000 +#define CLASS_UTF16 0x01000000 +#endif + +#ifdef INPUT_OPTION +static int cap_f = FALSE; +static int (*i_cgetc)PROTO((FILE *)) = std_getc; /* input of cgetc */ +static int (*i_cungetc)PROTO((int c ,FILE *f)) = std_ungetc; +STATIC int cap_getc PROTO((FILE *f)); +STATIC int cap_ungetc PROTO((int c,FILE *f)); + +static int url_f = FALSE; +static int (*i_ugetc)PROTO((FILE *)) = std_getc; /* input of ugetc */ +static int (*i_uungetc)PROTO((int c ,FILE *f)) = std_ungetc; +STATIC int url_getc PROTO((FILE *f)); +STATIC int url_ungetc PROTO((int c,FILE *f)); + +static int numchar_f = FALSE; +static int (*i_ngetc)PROTO((FILE *)) = std_getc; /* input of ugetc */ +static int (*i_nungetc)PROTO((int c ,FILE *f)) = std_ungetc; +STATIC int numchar_getc PROTO((FILE *f)); +STATIC int numchar_ungetc PROTO((int c,FILE *f)); +#endif + +#ifdef CHECK_OPTION +static int noout_f = FALSE; +STATIC void no_putc PROTO((int c)); +static int debug_f = FALSE; +STATIC void debug PROTO((char *str)); +#endif + +static int guess_f = FALSE; +STATIC void print_guessed_code PROTO((char *filename)); +STATIC void set_input_codename PROTO((char *codename)); +static int is_inputcode_mixed = FALSE; +static int is_inputcode_set = FALSE; + +#ifdef EXEC_IO +static int exec_f = 0; +#endif + +#ifdef SHIFTJIS_CP932 +STATIC int cp932_f = TRUE; +#define CP932_TABLE_BEGIN (0xfa) +#define CP932_TABLE_END (0xfc) + +STATIC int cp932inv_f = TRUE; +#define CP932INV_TABLE_BEGIN (0xed) +#define CP932INV_TABLE_END (0xee) + +/* STATIC int cp932_conv PROTO((int c2, int c1)); */ +#endif /* SHIFTJIS_CP932 */ + +#ifdef X0212_ENABLE +STATIC int x0212_f = FALSE; +static int x0212_shift PROTO((int c)); +static int x0212_unshift PROTO((int c)); +#endif + +STATIC unsigned char prefix_table[256]; + +STATIC void e_status PROTO((struct input_code *, int)); +STATIC void s_status PROTO((struct input_code *, int)); + +#ifdef UTF8_INPUT_ENABLE +STATIC void w_status PROTO((struct input_code *, int)); +STATIC void w16_status PROTO((struct input_code *, int)); +static int utf16_mode = UTF16BE_INPUT; +#endif + +struct input_code input_code_list[] = { + {"EUC-JP", 0, 0, 0, {0, 0, 0}, e_status, e_iconv, 0}, + {"Shift_JIS", 0, 0, 0, {0, 0, 0}, s_status, s_iconv, 0}, + {"UTF-8", 0, 0, 0, {0, 0, 0}, w_status, w_iconv, 0}, + {"UTF-16", 0, 0, 0, {0, 0, 0}, w16_status, w_iconv16, 0}, + {0} +}; + +static int mimeout_mode = 0; +static int base64_count = 0; + +/* X0208 -> ASCII converter */ + +/* fold parameter */ +static int f_line = 0; /* chars in line */ +static int f_prev = 0; +static int fold_preserve_f = FALSE; /* preserve new lines */ +static int fold_f = FALSE; +static int fold_len = 0; + +/* options */ +static unsigned char kanji_intro = DEFAULT_J; +static unsigned char ascii_intro = DEFAULT_R; + +/* Folding */ + +#define FOLD_MARGIN 10 +#define DEFAULT_FOLD 60 + +static int fold_margin = FOLD_MARGIN; + +/* converters */ + +#ifdef DEFAULT_CODE_JIS +# define DEFAULT_CONV j_oconv +#endif +#ifdef DEFAULT_CODE_SJIS +# define DEFAULT_CONV s_oconv +#endif +#ifdef DEFAULT_CODE_EUC +# define DEFAULT_CONV e_oconv +#endif +#ifdef DEFAULT_CODE_UTF8 +# define DEFAULT_CONV w_oconv +#endif + +/* process default */ +static void (*output_conv)PROTO((int c2,int c1)) = DEFAULT_CONV; + +static void (*oconv)PROTO((int c2,int c1)) = no_connection; +/* s_iconv or oconv */ +static int (*iconv)PROTO((int c2,int c1,int c0)) = no_connection2; + +static void (*o_zconv)PROTO((int c2,int c1)) = no_connection; +static void (*o_fconv)PROTO((int c2,int c1)) = no_connection; +static void (*o_crconv)PROTO((int c2,int c1)) = no_connection; +static void (*o_rot_conv)PROTO((int c2,int c1)) = no_connection; +static void (*o_hira_conv)PROTO((int c2,int c1)) = no_connection; +static void (*o_base64conv)PROTO((int c2,int c1)) = no_connection; +static void (*o_iso2022jp_check_conv)PROTO((int c2,int c1)) = no_connection; + +/* static redirections */ + +static void (*o_putc)PROTO((int c)) = std_putc; + +static int (*i_getc)PROTO((FILE *f)) = std_getc; /* general input */ +static int (*i_ungetc)PROTO((int c,FILE *f)) =std_ungetc; + +static int (*i_bgetc)PROTO((FILE *)) = std_getc; /* input of mgetc */ +static int (*i_bungetc)PROTO((int c ,FILE *f)) = std_ungetc; + +static void (*o_mputc)PROTO((int c)) = std_putc ; /* output of mputc */ + +static int (*i_mgetc)PROTO((FILE *)) = std_getc; /* input of mgetc */ +static int (*i_mungetc)PROTO((int c ,FILE *f)) = std_ungetc; + +/* for strict mime */ +static int (*i_mgetc_buf)PROTO((FILE *)) = std_getc; /* input of mgetc_buf */ +static int (*i_mungetc_buf)PROTO((int c,FILE *f)) = std_ungetc; + +/* Global states */ +static int output_mode = ASCII, /* output kanji mode */ + input_mode = ASCII, /* input kanji mode */ + shift_mode = FALSE; /* TRUE shift out, or X0201 */ +static int mime_decode_mode = FALSE; /* MIME mode B base64, Q hex */ + +/* X0201 / X0208 conversion tables */ + +/* X0201 kana conversion table */ +/* 90-9F A0-DF */ +static +unsigned char cv[]= { + 0x21,0x21,0x21,0x23,0x21,0x56,0x21,0x57, + 0x21,0x22,0x21,0x26,0x25,0x72,0x25,0x21, + 0x25,0x23,0x25,0x25,0x25,0x27,0x25,0x29, + 0x25,0x63,0x25,0x65,0x25,0x67,0x25,0x43, + 0x21,0x3c,0x25,0x22,0x25,0x24,0x25,0x26, + 0x25,0x28,0x25,0x2a,0x25,0x2b,0x25,0x2d, + 0x25,0x2f,0x25,0x31,0x25,0x33,0x25,0x35, + 0x25,0x37,0x25,0x39,0x25,0x3b,0x25,0x3d, + 0x25,0x3f,0x25,0x41,0x25,0x44,0x25,0x46, + 0x25,0x48,0x25,0x4a,0x25,0x4b,0x25,0x4c, + 0x25,0x4d,0x25,0x4e,0x25,0x4f,0x25,0x52, + 0x25,0x55,0x25,0x58,0x25,0x5b,0x25,0x5e, + 0x25,0x5f,0x25,0x60,0x25,0x61,0x25,0x62, + 0x25,0x64,0x25,0x66,0x25,0x68,0x25,0x69, + 0x25,0x6a,0x25,0x6b,0x25,0x6c,0x25,0x6d, + 0x25,0x6f,0x25,0x73,0x21,0x2b,0x21,0x2c, + 0x00,0x00}; + + +/* X0201 kana conversion table for daguten */ +/* 90-9F A0-DF */ +static +unsigned char dv[]= { + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x25,0x74, + 0x00,0x00,0x00,0x00,0x25,0x2c,0x25,0x2e, + 0x25,0x30,0x25,0x32,0x25,0x34,0x25,0x36, + 0x25,0x38,0x25,0x3a,0x25,0x3c,0x25,0x3e, + 0x25,0x40,0x25,0x42,0x25,0x45,0x25,0x47, + 0x25,0x49,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x25,0x50,0x25,0x53, + 0x25,0x56,0x25,0x59,0x25,0x5c,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00}; + +/* X0201 kana conversion table for han-daguten */ +/* 90-9F A0-DF */ +static +unsigned char ev[]= { + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x25,0x51,0x25,0x54, + 0x25,0x57,0x25,0x5a,0x25,0x5d,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00}; + + +/* X0208 kigou conversion table */ +/* 0x8140 - 0x819e */ +static +unsigned char fv[] = { + + 0x00,0x00,0x00,0x00,0x2c,0x2e,0x00,0x3a, + 0x3b,0x3f,0x21,0x00,0x00,0x27,0x60,0x00, + 0x5e,0x00,0x5f,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x2d,0x00,0x2f, + 0x5c,0x00,0x00,0x7c,0x00,0x00,0x60,0x27, + 0x22,0x22,0x28,0x29,0x00,0x00,0x5b,0x5d, + 0x7b,0x7d,0x3c,0x3e,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x2b,0x2d,0x00,0x00, + 0x00,0x3d,0x00,0x3c,0x3e,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x24,0x00,0x00,0x25,0x23,0x26,0x2a,0x40, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 +} ; + + +#define CRLF 1 + +static int file_out = FALSE; +#ifdef OVERWRITE +static int overwrite = FALSE; +#endif + +static int crmode_f = 0; /* CR, NL, CRLF */ +#ifdef EASYWIN /*Easy Win */ +static int end_check; +#endif /*Easy Win */ + +#define STD_GC_BUFSIZE (256) +int std_gc_buf[STD_GC_BUFSIZE]; +int std_gc_ndx; + +#ifdef WIN32DLL +#include "nkf32dll.c" +#elif defined(PERL_XS) +#else /* WIN32DLL */ +int +main(argc, argv) + int argc; + char **argv; +{ + FILE *fin; + unsigned char *cp; + + char *outfname = NULL; + char *origfname; + +#ifdef EASYWIN /*Easy Win */ + _BufferSize.y = 400;/*Set Scroll Buffer Size*/ +#endif + + for (argc--,argv++; (argc > 0) && **argv == '-'; argc--, argv++) { + cp = (unsigned char *)*argv; + options(cp); +#ifdef EXEC_IO + if (exec_f){ + int fds[2], pid; + if (pipe(fds) < 0 || (pid = fork()) < 0){ + abort(); + } + if (pid == 0){ + if (exec_f > 0){ + close(fds[0]); + dup2(fds[1], 1); + }else{ + close(fds[1]); + dup2(fds[0], 0); + } + execvp(argv[1], &argv[1]); + } + if (exec_f > 0){ + close(fds[1]); + dup2(fds[0], 0); + }else{ + close(fds[0]); + dup2(fds[1], 1); + } + argc = 0; + break; + } +#endif + } + if(x0201_f == WISH_TRUE) + x0201_f = ((!iso2022jp_f)? TRUE : NO_X0201); + + if (binmode_f == TRUE) +#ifdef __OS2__ + if (freopen("","wb",stdout) == NULL) + return (-1); +#else + setbinmode(stdout); +#endif + + if (unbuf_f) + setbuf(stdout, (char *) NULL); + else + setvbuffer(stdout, stdobuf, IOBUF_SIZE); + + if (argc == 0) { + if (binmode_f == TRUE) +#ifdef __OS2__ + if (freopen("","rb",stdin) == NULL) return (-1); +#else + setbinmode(stdin); +#endif + setvbuffer(stdin, stdibuf, IOBUF_SIZE); + if (nop_f) + noconvert(stdin); + else { + kanji_convert(stdin); + if (guess_f) print_guessed_code(NULL); + } + } else { + int nfiles = argc; + while (argc--) { + is_inputcode_mixed = FALSE; + is_inputcode_set = FALSE; + input_codename = ""; + if ((fin = fopen((origfname = *argv++), "r")) == NULL) { + perror(*--argv); + return(-1); + } else { +#ifdef OVERWRITE + int fd = 0; + int fd_backup = 0; +#endif + +/* reopen file for stdout */ + if (file_out == TRUE) { +#ifdef OVERWRITE + if (overwrite){ + outfname = malloc(strlen(origfname) + + strlen(".nkftmpXXXXXX") + + 1); + if (!outfname){ + perror(origfname); + return -1; + } + strcpy(outfname, origfname); +#ifdef MSDOS + { + int i; + for (i = strlen(outfname); i; --i){ + if (outfname[i - 1] == '/' + || outfname[i - 1] == '\\'){ + break; + } + } + outfname[i] = '\0'; + } + strcat(outfname, "ntXXXXXX"); + mktemp(outfname); + fd = open(outfname, O_WRONLY | O_CREAT | O_TRUNC, + S_IREAD | S_IWRITE); +#else + strcat(outfname, ".nkftmpXXXXXX"); + fd = mkstemp(outfname); +#endif + if (fd < 0 + || (fd_backup = dup(fileno(stdout))) < 0 + || dup2(fd, fileno(stdout)) < 0 + ){ + perror(origfname); + return -1; + } + }else +#endif + if(argc == 1 ) { + outfname = *argv++; + argc--; + } else { + outfname = "nkf.out"; + } + + if(freopen(outfname, "w", stdout) == NULL) { + perror (outfname); + return (-1); + } + if (binmode_f == TRUE) { +#ifdef __OS2__ + if (freopen("","wb",stdout) == NULL) + return (-1); +#else + setbinmode(stdout); +#endif + } + } + if (binmode_f == TRUE) +#ifdef __OS2__ + if (freopen("","rb",fin) == NULL) + return (-1); +#else + setbinmode(fin); +#endif + setvbuffer(fin, 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) { + struct stat sb; +#if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) + 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); + } + /* $B%Q!<%_%C%7%g%s$rI|85(B */ + if (chmod(outfname, sb.st_mode)) { + fprintf(stderr, "Can't set permission %s\n", outfname); + } + + /* $B%?%$%`%9%?%s%W$rI|85(B */ +#if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) + 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 +#ifdef MSDOS + if (unlink(origfname)){ + perror(origfname); + } +#endif + if (rename(outfname, origfname)) { + perror(origfname); + fprintf(stderr, "Can't rename %s to %s\n", + outfname, origfname); + } + free(outfname); + } +#endif + } + } + } +#ifdef EASYWIN /*Easy Win */ + if (file_out == FALSE) + scanf("%d",&end_check); + else + fclose(stdout); +#else /* for Other OS */ + if (file_out == TRUE) + fclose(stdout); +#endif /*Easy Win */ + return (0); +} +#endif /* WIN32DLL */ + +static +struct { + char *name; + char *alias; +} long_option[] = { + {"base64","jMB"}, + {"euc","e"}, + {"euc-input","E"}, + {"fj","jm"}, + {"help","v"}, + {"jis","j"}, + {"jis-input","J"}, + {"mac","sLm"}, + {"mime","jM"}, + {"mime-input","m"}, + {"msdos","sLw"}, + {"sjis","s"}, + {"sjis-input","S"}, + {"unix","eLu"}, + {"version","V"}, + {"windows","sLw"}, + {"hiragana","h1"}, + {"katakana","h2"}, + {"katakana-hiragana","h3"}, + {"guess", "g"}, + {"cp932", ""}, + {"no-cp932", ""}, +#ifdef X0212_ENABLE + {"x0212", ""}, +#endif +#ifdef UTF8_OUTPUT_ENABLE + {"utf8", "w"}, + {"utf16", "w16"}, + {"ms-ucs-map", ""}, +#endif +#ifdef UTF8_INPUT_ENABLE + {"utf8-input", "W"}, + {"utf16-input", "W16"}, +#endif +#ifdef OVERWRITE + {"overwrite", ""}, +#endif +#ifdef INPUT_OPTION + {"cap-input", ""}, + {"url-input", ""}, +#endif +#ifdef NUMCHAR_OPTION + {"numchar-input", ""}, +#endif +#ifdef CHECK_OPTION + {"no-output", ""}, + {"debug", ""}, +#endif +#ifdef SHIFTJIS_CP932 + {"cp932inv", ""}, +#endif +#ifdef EXEC_IO + {"exec-in", ""}, + {"exec-out", ""}, +#endif + {"prefix=", ""}, +}; + +static int option_mode = 0; + +void +options(cp) + unsigned char *cp; +{ + int i; + unsigned char *p = NULL; + + if (option_mode==1) + return; + if (*cp++ != '-') + return; + while (*cp) { + if (p && !*cp) { + cp = p; + p = 0; + } + switch (*cp++) { + case '-': /* literal options */ + if (!*cp) { /* ignore the rest of arguments */ + option_mode = 1; + return; + } + for (i=0;i<sizeof(long_option)/sizeof(long_option[0]);i++) { + int j; + p = (unsigned char *)long_option[i].name; + for (j=0;*p && (*p != '=') && *p == cp[j];p++, j++); + if (*p == cp[j]){ + p = &cp[j]; + break; + } + p = 0; + } + if (p == 0) return; + cp = (unsigned char *)long_option[i].alias; + if (!*cp){ +#ifdef OVERWRITE + if (strcmp(long_option[i].name, "overwrite") == 0){ + file_out = TRUE; + overwrite = TRUE; + continue; + } +#endif +#ifdef INPUT_OPTION + if (strcmp(long_option[i].name, "cap-input") == 0){ + cap_f = TRUE; + continue; + } + if (strcmp(long_option[i].name, "url-input") == 0){ + url_f = TRUE; + continue; + } +#endif +#ifdef NUMCHAR_OPTION + if (strcmp(long_option[i].name, "numchar-input") == 0){ + numchar_f = TRUE; + continue; + } +#endif +#ifdef CHECK_OPTION + if (strcmp(long_option[i].name, "no-output") == 0){ + noout_f = TRUE; + continue; + } + if (strcmp(long_option[i].name, "debug") == 0){ + debug_f = TRUE; + continue; + } +#endif + if (strcmp(long_option[i].name, "cp932") == 0){ +#ifdef SHIFTJIS_CP932 + cp932_f = TRUE; + cp932inv_f = TRUE; +#endif +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = TRUE; +#endif + continue; + } + if (strcmp(long_option[i].name, "no-cp932") == 0){ +#ifdef SHIFTJIS_CP932 + cp932_f = FALSE; + cp932inv_f = FALSE; +#endif +#ifdef UTF8_OUTPUT_ENABLE + ms_ucs_map_f = FALSE; +#endif + continue; + } +#ifdef SHIFTJIS_CP932 + if (strcmp(long_option[i].name, "cp932inv") == 0){ + cp932inv_f = TRUE; + continue; + } +#endif + +#ifdef X0212_ENABLE + if (strcmp(long_option[i].name, "x0212") == 0){ + x0212_f = TRUE; + continue; + } +#endif + +#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 +#ifdef UTF8_OUTPUT_ENABLE + if (strcmp(long_option[i].name, "ms-ucs-map") == 0){ + ms_ucs_map_f = TRUE; + continue; + } +#endif + if (strcmp(long_option[i].name, "prefix=") == 0){ + if (*p == '=' && ' ' < p[1] && p[1] < 128){ + for (i = 2; ' ' < p[i] && p[i] < 128; i++){ + prefix_table[p[i]] = p[1]; + } + } + continue; + } + } + continue; + case 'b': /* buffered mode */ + unbuf_f = FALSE; + continue; + case 'u': /* non bufferd mode */ + unbuf_f = TRUE; + continue; + case 't': /* transparent mode */ + 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 hira -> kata + bit:2 kata -> hira + */ + if ('9'>= *cp && *cp>='0') + hira_f |= (*cp++ -'0'); + else + hira_f |= 1; + continue; + case 'r': + rot_f = TRUE; + continue; +#if defined(MSDOS) || defined(__OS2__) + case 'T': + binmode_f = FALSE; + continue; +#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 ('1'== cp[0] && '6'==cp[1]) { + output_conv = w_oconv16; cp+=2; + if (cp[0]=='L') { + unicode_bom_f=2; cp++; + w_oconv16_LE = 1; + if (cp[0] == '0'){ + unicode_bom_f=1; cp++; + } + } else if (cp[0] == 'B') { + unicode_bom_f=2; cp++; + if (cp[0] == '0'){ + unicode_bom_f=1; cp++; + } + } + } else if (cp[0] == '8') { + output_conv = w_oconv; cp++; + unicode_bom_f=2; + if (cp[0] == '0'){ + unicode_bom_f=1; cp++; + } + } else + output_conv = w_oconv; + continue; +#endif +#ifdef UTF8_INPUT_ENABLE + case 'W': /* UTF-8 input */ + if ('1'== cp[0] && '6'==cp[1]) { + input_f = UTF16BE_INPUT; + utf16_mode = UTF16BE_INPUT; + cp += 2; + if (cp[0]=='L') { + cp++; + input_f = UTF16LE_INPUT; + utf16_mode = UTF16LE_INPUT; + } else if (cp[0] == 'B') { + cp++; + input_f = UTF16BE_INPUT; + utf16_mode = UTF16BE_INPUT; + } + } else if (cp[0] == '8') { + cp++; + input_f = UTF8_INPUT; + } else + input_f = UTF8_INPUT; + continue; +#endif + /* Input code assumption */ + case 'J': /* JIS input */ + case 'E': /* AT&T EUC input */ + input_f = JIS_INPUT; + continue; + case 'S': /* MS Kanji input */ + input_f = SJIS_INPUT; + if (x0201_f==NO_X0201) x0201_f=TRUE; + continue; + case 'Z': /* Convert X0208 alphabet to asii */ + /* bit:0 Convert X0208 + bit:1 Convert Kankaku to one space + bit:2 Convert Kankaku to two spaces + bit:3 Convert HTML Entity + */ + if ('9'>= *cp && *cp>='0') + alpha_f |= 1<<(*cp++ -'0'); + else + alpha_f |= TRUE; + continue; + case 'x': /* Convert X0201 kana to X0208 or X0201 Conversion */ + x0201_f = FALSE; /* No X0201->X0208 conversion */ + /* accept X0201 + ESC-(-I in JIS, EUC, MS Kanji + SI/SO in JIS, EUC, MS Kanji + SSO in EUC, JIS, not in MS Kanji + MS Kanji (0xa0-0xdf) + output X0201 + ESC-(-I in JIS (0x20-0x5f) + SSO in EUC (0xa0-0xdf) + 0xa0-0xd in MS Kanji (0xa0-0xdf) + */ + continue; + case 'X': /* Assume X0201 kana */ + /* Default value is NO_X0201 for EUC/MS-Kanji mix */ + x0201_f = TRUE; + continue; + case 'F': /* prserve new lines */ + fold_preserve_f = TRUE; + case 'f': /* folding -f60 or -f */ + fold_f = TRUE; + fold_len = 0; + while('0'<= *cp && *cp <='9') { /* we don't use atoi here */ + fold_len *= 10; + fold_len += *cp++ - '0'; + } + if (!(0<fold_len && fold_len<BUFSIZ)) + fold_len = DEFAULT_FOLD; + if (*cp=='-') { + fold_margin = 0; + cp++; + while('0'<= *cp && *cp <='9') { /* we don't use atoi here */ + fold_margin *= 10; + fold_margin += *cp++ - '0'; + } + } + continue; + case 'm': /* MIME support */ + /* mime_decode_f = TRUE; */ /* this has too large side effects... */ + if (*cp=='B'||*cp=='Q') { + mime_decode_mode = *cp++; + mimebuf_f = FIXED_MIME; + } else if (*cp=='N') { + mime_f = TRUE; cp++; + } else if (*cp=='S') { + mime_f = STRICT_MIME; cp++; + } else if (*cp=='0') { + mime_decode_f = FALSE; + mime_f = FALSE; cp++; + } + continue; + case 'M': /* MIME output */ + if (*cp=='B') { + mimeout_mode = 'B'; + mimeout_f = FIXED_MIME; cp++; + } else if (*cp=='Q') { + mimeout_mode = 'Q'; + mimeout_f = FIXED_MIME; cp++; + } else { + mimeout_f = TRUE; + } + continue; + case 'B': /* Broken JIS support */ + /* bit:0 no ESC JIS + bit:1 allow any x on ESC-(-x or ESC-$-x + bit:2 reset to ascii on NL + */ + if ('9'>= *cp && *cp>='0') + broken_f |= 1<<(*cp++ -'0'); + else + broken_f |= TRUE; + continue; +#ifndef PERL_XS + case 'O':/* for Output file */ + file_out = TRUE; + continue; +#endif + case 'c':/* add cr code */ + crmode_f = CRLF; + continue; + case 'd':/* delete cr code */ + crmode_f = NL; + continue; + case 'I': /* ISO-2022-JP output */ + iso2022jp_f = TRUE; + continue; + case 'L': /* line mode */ + if (*cp=='u') { /* unix */ + crmode_f = NL; cp++; + } else if (*cp=='m') { /* mac */ + crmode_f = CR; cp++; + } else if (*cp=='w') { /* windows */ + crmode_f = CRLF; cp++; + } else if (*cp=='0') { /* no conversion */ + crmode_f = 0; cp++; + } + continue; + case 'g': +#ifndef PERL_XS + guess_f = TRUE; +#endif + continue; + case ' ': + /* module muliple options in a string are allowed for Perl moudle */ + while(*cp && *cp!='-') cp++; + if(*cp=='-') cp++; + continue; + default: + /* bogus option but ignored */ + continue; + } + } +} + +#ifdef ANSI_C_PROTOTYPE +struct input_code * find_inputcode_byfunc(int (*iconv_func)(int c2,int c1,int c0)) +#else +struct input_code * find_inputcode_byfunc(iconv_func) + int (*iconv_func)(); +#endif +{ + if (iconv_func){ + struct input_code *p = input_code_list; + while (p->name){ + if (iconv_func == p->iconv_func){ + return p; + } + p++; + } + } + return 0; +} + +#ifdef CHECK_OPTION +static int (*iconv_for_check)() = 0; +#endif + +#ifdef ANSI_C_PROTOTYPE +void set_iconv(int f, int (*iconv_func)(int c2,int c1,int c0)) +#else +void set_iconv(f, iconv_func) + int f; + int (*iconv_func)(); +#endif +{ +#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" */ +#endif + ){ + iconv = iconv_func; + } +#ifdef CHECK_OPTION + if (estab_f && iconv_for_check != iconv){ + struct input_code *p = find_inputcode_byfunc(iconv); + if (p){ + set_input_codename(p->name); + debug(input_codename); + } + iconv_for_check = iconv; + } +#endif +} + +#define SCORE_L2 (1) /* $BBh(B2$B?e=`4A;z(B */ +#define SCORE_KANA (SCORE_L2 << 1) /* $B$$$o$f$kH>3Q%+%J(B */ +#define SCORE_DEPEND (SCORE_KANA << 1) /* $B5!<o0MB8J8;z(B */ +#ifdef SHIFTJIS_CP932 +#define SCORE_CP932 (SCORE_DEPEND << 1) /* CP932 $B$K$h$kFI$_49$((B */ +#define SCORE_NO_EXIST (SCORE_CP932 << 1) /* $BB8:_$7$J$$J8;z(B */ +#else +#define SCORE_NO_EXIST (SCORE_DEPEND << 1) /* $BB8:_$7$J$$J8;z(B */ +#endif +#define SCORE_iMIME (SCORE_NO_EXIST << 1) /* MIME $B$K$h$k;XDj(B */ +#define SCORE_ERROR (SCORE_iMIME << 1) /* $B%(%i!<(B */ + +#define SCORE_INIT (SCORE_iMIME) + +int score_table_A0[] = { + 0, 0, 0, 0, + 0, 0, 0, 0, + 0, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, + SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_NO_EXIST, +}; + +int score_table_F0[] = { + 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(ptr, score) + struct input_code *ptr; + int score; +{ + if (ptr){ + ptr->score |= score; + } +} + +void clr_code_score(ptr, score) + struct input_code *ptr; + int score; +{ + if (ptr){ + ptr->score &= ~score; + } +} + +void code_score(ptr) + struct input_code *ptr; +{ + int c2 = ptr->buf[0]; + int c1 = ptr->buf[1]; + if (c2 < 0){ + set_code_score(ptr, SCORE_ERROR); + }else if (c2 == SSO){ + set_code_score(ptr, SCORE_KANA); +#ifdef UTF8_OUTPUT_ENABLE + }else if (!e2w_conv(c2, c1)){ + set_code_score(ptr, SCORE_NO_EXIST); +#endif + }else if ((c2 & 0x70) == 0x20){ + set_code_score(ptr, score_table_A0[c2 & 0x0f]); + }else if ((c2 & 0x70) == 0x70){ + set_code_score(ptr, score_table_F0[c2 & 0x0f]); + }else if ((c2 & 0x70) >= 0x50){ + set_code_score(ptr, SCORE_L2); + } +} + +void status_disable(ptr) +struct input_code *ptr; +{ + ptr->stat = -1; + ptr->buf[0] = -1; + code_score(ptr); + if (iconv == ptr->iconv_func) set_iconv(FALSE, 0); +} + +void status_push_ch(ptr, c) + struct input_code *ptr; + int c; +{ + ptr->buf[ptr->index++] = c; +} + +void status_clear(ptr) + struct input_code *ptr; +{ + ptr->stat = 0; + ptr->index = 0; +} + +void status_reset(ptr) + struct input_code *ptr; +{ + status_clear(ptr); + ptr->score = SCORE_INIT; +} + +void status_reinit(ptr) + struct input_code *ptr; +{ + status_reset(ptr); + ptr->_file_stat = 0; +} + +void status_check(ptr, c) + struct input_code *ptr; + int c; +{ + if (c <= DEL && estab_f){ + status_reset(ptr); + } +} + +void s_status(ptr, c) + struct input_code *ptr; + int c; +{ + switch(ptr->stat){ + case -1: + status_check(ptr, c); + break; + case 0: + if (c <= DEL){ + break; +#ifdef NUMCHAR_OPTION + }else if ((c & CLASS_MASK) == CLASS_UTF16){ + 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 (cp932_f + && CP932_TABLE_BEGIN <= c && c <= CP932_TABLE_END){ + ptr->stat = 2; + status_push_ch(ptr, c); +#endif /* SHIFTJIS_CP932 */ +#ifdef X0212_ENABLE + }else if (x0212_f && 0xf0 <= c && c <= 0xfc){ + ptr->stat = 1; + status_push_ch(ptr, c); +#endif /* X0212_ENABLE */ + }else{ + status_disable(ptr); + } + break; + case 1: + if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){ + status_push_ch(ptr, c); + s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]); + code_score(ptr); + status_clear(ptr); + }else{ + status_disable(ptr); + } + break; + case 2: +#ifdef SHIFTJIS_CP932 + if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){ + status_push_ch(ptr, c); + if (s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]) == 0){ + set_code_score(ptr, SCORE_CP932); + status_clear(ptr); + break; + } + } +#endif /* SHIFTJIS_CP932 */ +#ifndef X0212_ENABLE + status_disable(ptr); + break; +#endif + } +} + +void e_status(ptr, c) + struct input_code *ptr; + int c; +{ + switch (ptr->stat){ + case -1: + status_check(ptr, c); + break; + case 0: + if (c <= DEL){ + break; +#ifdef NUMCHAR_OPTION + }else if ((c & CLASS_MASK) == CLASS_UTF16){ + break; +#endif + }else if (SSO == c || (0xa1 <= c && c <= 0xfe)){ + ptr->stat = 1; + status_push_ch(ptr, c); +#ifdef X0212_ENABLE + }else if (0x8f == c){ + ptr->stat = 2; + status_push_ch(ptr, c); +#endif /* X0212_ENABLE */ + }else{ + status_disable(ptr); + } + break; + case 1: + if (0xa1 <= c && c <= 0xfe){ + status_push_ch(ptr, c); + code_score(ptr); + status_clear(ptr); + }else{ + status_disable(ptr); + } + break; +#ifdef X0212_ENABLE + case 2: + if (0xa1 <= c && c <= 0xfe){ + ptr->stat = 1; + status_push_ch(ptr, c); + }else{ + status_disable(ptr); + } +#endif /* X0212_ENABLE */ + } +} + +#ifdef UTF8_INPUT_ENABLE +void w16_status(ptr, c) + struct input_code *ptr; + int c; +{ + switch (ptr->stat){ + case -1: + break; + case 0: + if (ptr->_file_stat == 0){ + if (c == 0xfe || c == 0xff){ + ptr->stat = c; + status_push_ch(ptr, c); + ptr->_file_stat = 1; + }else{ + status_disable(ptr); + ptr->_file_stat = -1; + } + }else if (ptr->_file_stat > 0){ + ptr->stat = 1; + status_push_ch(ptr, c); + }else if (ptr->_file_stat < 0){ + status_disable(ptr); + } + break; + + case 1: + if (c == EOF){ + status_disable(ptr); + ptr->_file_stat = -1; + }else{ + status_push_ch(ptr, c); + status_clear(ptr); + } + break; + + case 0xfe: + case 0xff: + if (ptr->stat != c && (c == 0xfe || c == 0xff)){ + status_push_ch(ptr, c); + status_clear(ptr); + }else{ + status_disable(ptr); + ptr->_file_stat = -1; + } + break; + } +} + +void w_status(ptr, c) + struct input_code *ptr; + int c; +{ + switch (ptr->stat){ + case -1: + status_check(ptr, c); + break; + case 0: + if (c <= DEL){ + break; +#ifdef NUMCHAR_OPTION + }else if ((c & CLASS_MASK) == CLASS_UTF16){ + 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{ + 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; + } +} +#endif + +void +code_status(c) + int c; +{ + int action_flag = 1; + struct input_code *result = 0; + struct input_code *p = input_code_list; + while (p->name){ + (p->status_func)(p, c); + if (p->stat > 0){ + action_flag = 0; + }else if(p->stat == 0){ + if (result){ + action_flag = 0; + }else{ + result = p; + } + } + ++p; + } + + if (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 +int +std_getc(f) +FILE *f; +{ + if (std_gc_ndx){ + return std_gc_buf[--std_gc_ndx]; + } + return getc(f); +} +#endif /*WIN32DLL*/ + +int +std_ungetc(c,f) +int c; +FILE *f; +{ + if (std_gc_ndx == STD_GC_BUFSIZE){ + return EOF; + } + std_gc_buf[std_gc_ndx++] = c; + return c; +} + +#ifndef WIN32DLL +void +std_putc(c) +int c; +{ + if(c!=EOF) + putchar(c); +} +#endif /*WIN32DLL*/ + +int +noconvert(f) + FILE *f; +{ + int c; + + while ((c = (*i_getc)(f)) != EOF) + (*o_putc)(c); + return 1; +} + + +void +module_connection() +{ + oconv = output_conv; + o_putc = std_putc; + + /* replace continucation module, from output side */ + + /* output redicrection */ +#ifdef CHECK_OPTION + if (noout_f || guess_f){ + o_putc = no_putc; + } +#endif + if (mimeout_f) { + o_mputc = o_putc; + o_putc = mime_putc; + if (mimeout_f == TRUE) { + o_base64conv = oconv; oconv = base64_conv; + } + /* base64_count = 0; */ + } + + if (crmode_f) { + o_crconv = oconv; oconv = cr_conv; + } + if (rot_f) { + o_rot_conv = oconv; oconv = rot_conv; + } + if (iso2022jp_f) { + o_iso2022jp_check_conv = oconv; oconv = iso2022jp_check_conv; + } + if (hira_f) { + o_hira_conv = oconv; oconv = hira_conv; + } + if (fold_f) { + o_fconv = oconv; oconv = fold_conv; + f_line = 0; + } + if (alpha_f || x0201_f) { + o_zconv = oconv; oconv = z_conv; + } + + i_getc = std_getc; + i_ungetc = std_ungetc; + /* input redicrection */ +#ifdef INPUT_OPTION + if (cap_f){ + i_cgetc = i_getc; i_getc = cap_getc; + i_cungetc = i_ungetc; i_ungetc= cap_ungetc; + } + if (url_f){ + i_ugetc = i_getc; i_getc = url_getc; + i_uungetc = i_ungetc; i_ungetc= url_ungetc; + } +#endif +#ifdef NUMCHAR_OPTION + if (numchar_f){ + i_ngetc = i_getc; i_getc = numchar_getc; + i_nungetc = i_ungetc; i_ungetc= numchar_ungetc; + } +#endif + if (mime_f && mimebuf_f==FIXED_MIME) { + i_mgetc = i_getc; i_getc = mime_getc; + i_mungetc = i_ungetc; i_ungetc = mime_ungetc; + } + if (broken_f & 1) { + i_bgetc = i_getc; i_getc = broken_getc; + i_bungetc = i_ungetc; i_ungetc = broken_ungetc; + } + if (input_f == JIS_INPUT || input_f == LATIN1_INPUT) { + set_iconv(-TRUE, e_iconv); + } else if (input_f == SJIS_INPUT) { + set_iconv(-TRUE, s_iconv); +#ifdef UTF8_INPUT_ENABLE + } else if (input_f == UTF8_INPUT) { + set_iconv(-TRUE, w_iconv); + } else if (input_f == UTF16BE_INPUT) { + set_iconv(-TRUE, w_iconv16); + } else if (input_f == UTF16LE_INPUT) { + set_iconv(-TRUE, w_iconv16); +#endif + } else { + set_iconv(FALSE, e_iconv); + } + + { + struct input_code *p = input_code_list; + while (p->name){ + status_reinit(p++); + } + } +} + +/* + Conversion main loop. Code detection only. + */ + +int +kanji_convert(f) + FILE *f; +{ + int c1, + c2, c3; + int is_8bit = FALSE; + + module_connection(); + c2 = 0; + + + input_mode = ASCII; + output_mode = ASCII; + shift_mode = FALSE; + +#define NEXT continue /* no output, get next */ +#define SEND ; /* output c1 and c2, get next */ +#define LAST break /* end of loop, go closing */ + + while ((c1 = (*i_getc)(f)) != EOF) { + code_status(c1); + if (c2) { + /* second byte */ + if (c2 > DEL) { + /* in case of 8th bit is on */ + if (!estab_f&&!mime_decode_mode) { + /* in case of not established yet */ + /* It is still ambiguious */ + if (h_conv(f, c2, c1)==EOF) + LAST; + else + c2 = 0; + NEXT; + } else + /* in case of already established */ + if (c1 < AT) { + /* ignore bogus code */ + c2 = 0; + NEXT; + } else + SEND; + } else + /* second byte, 7 bit code */ + /* it might be kanji shitfted */ + if ((c1 == DEL) || (c1 <= SPACE)) { + /* ignore bogus first code */ + c2 = 0; + NEXT; + } else + SEND; + } else { + /* first byte */ + if ( +#ifdef UTF8_INPUT_ENABLE + iconv == w_iconv16 +#else + 0 +#endif + ) { + c2 = c1; + c1 = (*i_getc)(f); + SEND; +#ifdef NUMCHAR_OPTION + } else if ((c1 & CLASS_MASK) == CLASS_UTF16){ + SEND; +#endif + } else if (c1 > DEL) { + /* 8 bit code */ + if (!estab_f && !iso8859_f) { + /* not established yet */ + if (!is_8bit) is_8bit = TRUE; + c2 = c1; + NEXT; + } else { /* estab_f==TRUE */ + if (iso8859_f) { + c2 = ISO8859_1; + c1 &= 0x7f; + SEND; + } else if (SSP<=c1 && c1<0xe0 && iconv == s_iconv) { + /* SJIS X0201 Case... */ + if(iso2022jp_f && x0201_f==NO_X0201) { + (*oconv)(GETA1, GETA2); + NEXT; + } else { + c2 = X0201; + c1 &= 0x7f; + SEND; + } + } else if (c1==SSO && iconv != s_iconv) { + /* EUC X0201 Case */ + c1 = (*i_getc)(f); /* skip SSO */ + code_status(c1); + if (SSP<=c1 && c1<0xe0) { + if(iso2022jp_f && x0201_f==NO_X0201) { + (*oconv)(GETA1, GETA2); + NEXT; + } else { + c2 = X0201; + c1 &= 0x7f; + SEND; + } + } else { /* bogus code, skip SSO and one byte */ + NEXT; + } + } else { + /* already established */ + c2 = c1; + NEXT; + } + } + } else if ((c1 > SPACE) && (c1 != DEL)) { + /* in case of Roman characters */ + if (shift_mode) { + /* output 1 shifted byte */ + if (iso8859_f) { + c2 = ISO8859_1; + SEND; + } else if (SPACE<=c1 && c1<(0xe0&0x7f) ){ + /* output 1 shifted byte */ + if(iso2022jp_f && x0201_f==NO_X0201) { + (*oconv)(GETA1, GETA2); + NEXT; + } else { + c2 = X0201; + SEND; + } + } else { + /* look like bogus code */ + NEXT; + } + } else if (input_mode == X0208) { + /* in case of Kanji shifted */ + c2 = c1; + NEXT; + } else if (c1 == '=' && mime_f && !mime_decode_mode ) { + /* Check MIME code */ + if ((c1 = (*i_getc)(f)) == EOF) { + (*oconv)(0, '='); + LAST; + } else if (c1 == '?') { + /* =? is mime conversion start sequence */ + if(mime_f == STRICT_MIME) { + /* check in real detail */ + if (mime_begin_strict(f) == EOF) + LAST; + else + NEXT; + } else if (mime_begin(f) == EOF) + LAST; + else + NEXT; + } else { + (*oconv)(0, '='); + (*i_ungetc)(c1,f); + NEXT; + } + } else { + /* normal ASCII code */ + SEND; + } + } else if (c1 == SI) { + shift_mode = FALSE; + NEXT; + } else if (c1 == SO) { + shift_mode = TRUE; + NEXT; + } else if (c1 == ESC ) { + if ((c1 = (*i_getc)(f)) == EOF) { + /* (*oconv)(0, ESC); don't send bogus code */ + LAST; + } else if (c1 == '$') { + if ((c1 = (*i_getc)(f)) == EOF) { + /* + (*oconv)(0, ESC); don't send bogus code + (*oconv)(0, '$'); */ + LAST; + } else if (c1 == '@'|| c1 == 'B') { + /* This is kanji introduction */ + input_mode = X0208; + shift_mode = FALSE; + set_input_codename("ISO-2022-JP"); + debug(input_codename); + NEXT; + } else if (c1 == '(') { + if ((c1 = (*i_getc)(f)) == EOF) { + /* don't send bogus code + (*oconv)(0, ESC); + (*oconv)(0, '$'); + (*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 { + /* 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 == 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 + SEND; + } + /* send: */ + if (input_mode == X0208) + (*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */ +#ifdef X0212_ENABLE + else if (input_mode == X0212) + (*oconv)((0x8f << 8) | c2, c1); +#endif /* X0212_ENABLE */ + else if (input_mode) + (*oconv)(input_mode, c1); /* other special case */ + else if ((*iconv)(c2, c1, 0) < 0){ /* can be EUC/SJIS */ + int c0 = (*i_getc)(f); + if (c0 != EOF){ + code_status(c0); + (*iconv)(c2, c1, c0); + } + } + + c2 = 0; + continue; + /* goto next_word */ + } + + /* epilogue */ + (*iconv)(EOF, 0, 0); + if (!is_inputcode_set) + { + if (is_8bit) { + struct input_code *p = input_code_list; + struct input_code *result = p; + while (p->name){ + if (p->score < result->score) result = p; + ++p; + } + set_input_codename(result->name); + } + } + return 1; +} + +int +h_conv(f, c2, c1) + FILE *f; + int c1, + c2; +{ + int wc,c3; + + + /** it must NOT be in the kanji shifte sequence */ + /** it must NOT be written in JIS7 */ + /** and it must be after 2 byte 8bit code */ + + hold_count = 0; + push_hold_buf(c2); + push_hold_buf(c1); + c2 = 0; + + while ((c1 = (*i_getc)(f)) != EOF) { + if (c1 == ESC){ + (*i_ungetc)(c1,f); + break; + } + code_status(c1); + if (push_hold_buf(c1) == EOF || estab_f){ + break; + } + } + + if (!estab_f){ + struct input_code *p = input_code_list; + struct input_code *result = p; + if (c1 == EOF){ + code_status(c1); + } + while (p->name){ + if (p->score < result->score){ + result = p; + } + ++p; + } + set_iconv(FALSE, result->iconv_func); + } + + + /** now, + ** 1) EOF is detected, or + ** 2) Code is established, or + ** 3) Buffer is FULL (but last word is pushed) + ** + ** in 1) and 3) cases, we continue to use + ** Kanji codes by oconv and leave estab_f unchanged. + **/ + + c3=c1; + wc = 0; + while (wc < hold_count){ + c2 = hold_buf[wc++]; + if (c2 <= DEL +#ifdef NUMCHAR_OPTION + || (c2 & CLASS_MASK) == CLASS_UTF16 +#endif + ){ + (*iconv)(0, c2, 0); + continue; + }else if (iconv == s_iconv && 0xa1 <= c2 && c2 <= 0xdf){ + (*iconv)(X0201, c2, 0); + continue; + } + if (wc < hold_count){ + c1 = hold_buf[wc++]; + }else{ + c1 = (*i_getc)(f); + if (c1 == EOF){ + c3 = EOF; + break; + } + code_status(c1); + } + if ((*iconv)(c2, c1, 0) < 0){ + int c0; + if (wc < hold_count){ + c0 = hold_buf[wc++]; + }else{ + c0 = (*i_getc)(f); + if (c0 == EOF){ + c3 = EOF; + break; + } + code_status(c0); + } + (*iconv)(c2, c1, c0); + c1 = c0; + } + } + return c3; +} + + + +int +push_hold_buf(c2) + int c2; +{ + if (hold_count >= HOLD_SIZE*2) + return (EOF); + hold_buf[hold_count++] = c2; + return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count); +} + +int s2e_conv(c2, c1, p2, p1) + int c2, c1; + int *p2, *p1; +{ + int val; +#ifdef SHIFTJIS_CP932 + if (cp932_f && CP932_TABLE_BEGIN <= c2 && c2 <= CP932_TABLE_END){ + extern unsigned short shiftjis_cp932[3][189]; + val = shiftjis_cp932[c2 - CP932_TABLE_BEGIN][c1 - 0x40]; + if (val){ + c2 = val >> 8; + c1 = val & 0xff; + } + } +#endif /* SHIFTJIS_CP932 */ +#ifdef X0212_ENABLE + if (x0212_f && 0xfa <= c2 && c2 <= 0xfc){ + extern unsigned short shiftjis_x0212[3][189]; + val = shiftjis_x0212[c2 - 0xfa][c1 - 0x40]; + if (val){ + if (val & 0x8000){ + c2 = (0x8f << 8) | (val >> 8); + c1 = val & 0xff; + }else{ + c2 = val >> 8; + c1 = val & 0xff; + } + if (p2) *p2 = c2; + if (p1) *p1 = c1; + return 0; + } + } +#endif + c2 = c2 + c2 - ((c2 <= 0x9f) ? SJ0162 : SJ6394); + if (c1 < 0x9f) + c1 = c1 - ((c1 > DEL) ? SPACE : 0x1f); + else { + c1 = c1 - 0x7e; + c2++; + } + +#ifdef X0212_ENABLE + if (x0212_f){ + c2 = x0212_unshift(c2); + } +#endif + if (p2) *p2 = c2; + if (p1) *p1 = c1; + return 0; +} + +int +s_iconv(c2, c1, c0) + int c2, + c1, c0; +{ + if (c2 == X0201) { + c1 &= 0x7f; + } else if ((c2 == EOF) || (c2 == 0) || c2 < SPACE) { + /* NOP */ + } else { + int ret = s2e_conv(c2, c1, &c2, &c1); + if (ret) return ret; + } + (*oconv)(c2, c1); + return 0; +} + +int +e_iconv(c2, c1, c0) + int c2, + c1, c0; +{ + if (c2 == X0201) { + c1 &= 0x7f; +#ifdef X0212_ENABLE + }else if (c2 == 0x8f){ + if (c0 == 0){ + return -1; + } + c2 = (c2 << 8) | (c1 & 0x7f); + c1 = c0 & 0x7f; +#ifdef SHIFTJIS_CP932 + if (cp932_f){ + int s2, s1; + if (e2s_conv(c2, c1, &s2, &s1) == 0){ + s2e_conv(s2, s1, &c2, &c1); + if ((c2 & 0xff00) == 0){ + c1 &= 0x7f; + c2 &= 0x7f; + } + } + } +#endif /* SHIFTJIS_CP932 */ +#endif /* X0212_ENABLE */ + } else if (c2 == SSO){ + c2 = X0201; + c1 &= 0x7f; + } else if ((c2 == EOF) || (c2 == 0) || c2 < SPACE) { + /* NOP */ + } else { + c1 &= 0x7f; + c2 &= 0x7f; + } + (*oconv)(c2, c1); + return 0; +} + +#ifdef UTF8_INPUT_ENABLE +int +w2e_conv(c2, c1, c0, p2, p1) + int c2, c1, c0; + int *p2, *p1; +{ + extern unsigned short * utf8_to_euc_2bytes[]; + extern unsigned short ** utf8_to_euc_3bytes[]; + int ret = 0; + + if (0xc0 <= c2 && c2 <= 0xef) { + unsigned short **pp; + + if (0xe0 <= c2) { + if (c0 == 0) return -1; + pp = utf8_to_euc_3bytes[c2 - 0x80]; + ret = w_iconv_common(c1, c0, pp, sizeof_utf8_to_euc_C2, p2, p1); + } else { + ret = w_iconv_common(c2, c1, utf8_to_euc_2bytes, sizeof_utf8_to_euc_2bytes, p2, p1); + } +#ifdef NUMCHAR_OPTION + if (ret){ + if (p2) *p2 = 0; + if (p1) *p1 = CLASS_UTF16 | ww16_conv(c2, c1, c0); + ret = 0; + } +#endif + return ret; + } else if (c2 == X0201) { + c1 &= 0x7f; + } + if (p2) *p2 = c2; + if (p1) *p1 = c1; + return ret; +} + +int +w_iconv(c2, c1, c0) + int c2, + c1, c0; +{ + int ret = w2e_conv(c2, c1, c0, &c2, &c1); + if (ret == 0){ + (*oconv)(c2, c1); + } + return ret; +} + +void +w16w_conv(val, p2, p1, p0) + unsigned short val; + int *p2, *p1, *p0; +{ + if (val < 0x80){ + *p2 = val; + *p1 = 0; + *p0 = 0; + }else if (val < 0x800){ + *p2 = 0xc0 | (val >> 6); + *p1 = 0x80 | (val & 0x3f); + *p0 = 0; + }else{ + *p2 = 0xe0 | (val >> 12); + *p1 = 0x80 | ((val >> 6) & 0x3f); + *p0 = 0x80 | (val & 0x3f); + } +} + +int +ww16_conv(c2, c1, c0) + int c2, c1, c0; +{ + unsigned short val; + if (c2 >= 0xe0){ + val = (c2 & 0x0f) << 12; + val |= (c1 & 0x3f) << 6; + val |= (c0 & 0x3f); + }else if (c2 >= 0xc0){ + val = (c2 & 0x1f) << 6; + val |= (c1 & 0x3f); + }else{ + val = c2; + } + return val; +} + +int +w16e_conv(val, p2, p1) + unsigned short val; + int *p2, *p1; +{ + extern unsigned short * utf8_to_euc_2bytes[]; + extern unsigned short ** utf8_to_euc_3bytes[]; + int c2, c1, c0; + unsigned short **pp; + int psize; + int ret = 0; + + w16w_conv(val, &c2, &c1, &c0); + if (c1){ + if (c0){ + pp = utf8_to_euc_3bytes[c2 - 0x80]; + psize = sizeof_utf8_to_euc_C2; + ret = w_iconv_common(c1, c0, pp, psize, p2, p1); + }else{ + pp = utf8_to_euc_2bytes; + psize = sizeof_utf8_to_euc_2bytes; + ret = w_iconv_common(c2, c1, pp, psize, p2, p1); + } +#ifdef NUMCHAR_OPTION + if (ret){ + *p2 = 0; + *p1 = CLASS_UTF16 | val; + ret = 0; + } +#endif + }else{ + *p2 = 0; + *p1 = c2; + } + return ret; +} + +int +w_iconv16(c2, c1, c0) + int c2, c1,c0; +{ + int ret; + + if (c2==0376 && c1==0377){ + utf16_mode = UTF16BE_INPUT; + return 0; + } else if (c2==0377 && c1==0376){ + utf16_mode = UTF16LE_INPUT; + return 0; + } + if (c2 != EOF && utf16_mode == UTF16LE_INPUT) { + int tmp; + tmp=c1; c1=c2; c2=tmp; + } + if ((c2==0 && c1 < 0x80) || c2==EOF) { + (*oconv)(c2, c1); + return 0; + } + ret = w16e_conv(((c2<<8)&0xff00) + c1, &c2, &c1); + if (ret) return ret; + (*oconv)(c2, c1); + return 0; +} + +int +w_iconv_common(c1, c0, pp, psize, p2, p1) + int c1,c0; + unsigned short **pp; + int psize; + int *p2, *p1; +{ + int c2; + 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_E5B8 <= c0) return 1; + val = p[c0]; + if (val == 0) return 1; + + c2 = val >> 8; + if (val & 0x8000){ + c2 &= 0x7f; + c2 |= 0x8f00; + } + if (c2 == SO) c2 = X0201; + c1 = val & 0x7f; + if (p2) *p2 = c2; + if (p1) *p1 = c1; + return 0; +} + +#endif + +#ifdef UTF8_OUTPUT_ENABLE +int +e2w_conv(c2, c1) + int c2, c1; +{ + extern unsigned short euc_to_utf8_1byte[]; + extern unsigned short * euc_to_utf8_2bytes[]; + extern unsigned short * euc_to_utf8_2bytes_ms[]; + unsigned short *p; + + if (c2 == X0201) { + p = euc_to_utf8_1byte; +#ifdef X0212_ENABLE + } else if (c2 >> 8 == 0x8f){ + extern unsigned short * x0212_to_utf8_2bytes[]; + c2 = (c2&0x7f) - 0x21; + if (0<=c2 && c2<sizeof_euc_to_utf8_2bytes) + p = x0212_to_utf8_2bytes[c2]; + else + return 0; +#endif + } else { + c2 &= 0x7f; + c2 = (c2&0x7f) - 0x21; + if (0<=c2 && c2<sizeof_euc_to_utf8_2bytes) + p = ms_ucs_map_f ? euc_to_utf8_2bytes_ms[c2] : euc_to_utf8_2bytes[c2]; + else + return 0; + } + if (!p) return 0; + c1 = (c1 & 0x7f) - 0x21; + if (0<=c1 && c1<sizeof_euc_to_utf8_1byte) + return p[c1]; + return 0; +} + +void +w_oconv(c2, c1) + int c2, + c1; +{ + int c0; + if (c2 == EOF) { + (*o_putc)(EOF); + return; + } + + if (unicode_bom_f==2) { + (*o_putc)('\357'); + (*o_putc)('\273'); + (*o_putc)('\277'); + unicode_bom_f=1; + } + +#ifdef NUMCHAR_OPTION + if (c2 == 0 && (c1 & CLASS_MASK) == CLASS_UTF16){ + w16w_conv(c1, &c2, &c1, &c0); + (*o_putc)(c2); + if (c1){ + (*o_putc)(c1); + if (c0) (*o_putc)(c0); + } + 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 { + unsigned short val; + output_mode = UTF8; + val = e2w_conv(c2, c1); + if (val){ + w16w_conv(val, &c2, &c1, &c0); + (*o_putc)(c2); + if (c1){ + (*o_putc)(c1); + if (c0) (*o_putc)(c0); + } + } + } +} + +void +w_oconv16(c2, c1) + int c2, + c1; +{ + if (c2 == EOF) { + (*o_putc)(EOF); + return; + } + + if (unicode_bom_f==2) { + if (w_oconv16_LE){ + (*o_putc)((unsigned char)'\377'); + (*o_putc)('\376'); + }else{ + (*o_putc)('\376'); + (*o_putc)((unsigned char)'\377'); + } + unicode_bom_f=1; + } + + if (c2 == ISO8859_1) { + c2 = 0; + c1 |= 0x80; +#ifdef NUMCHAR_OPTION + } else if (c2 == 0 && (c1 & CLASS_MASK) == CLASS_UTF16) { + c2 = (c1 >> 8) & 0xff; + c1 &= 0xff; +#endif + } else if (c2) { + unsigned short val = e2w_conv(c2, c1); + c2 = (val >> 8) & 0xff; + c1 = val & 0xff; + } + if (w_oconv16_LE){ + (*o_putc)(c1); + (*o_putc)(c2); + }else{ + (*o_putc)(c2); + (*o_putc)(c1); + } +} + +#endif + +void +e_oconv(c2, c1) + int c2, + c1; +{ +#ifdef NUMCHAR_OPTION + if (c2 == 0 && (c1 & CLASS_MASK) == CLASS_UTF16){ + w16e_conv(c1, &c2, &c1); + if (c2 == 0 && (c1 & CLASS_MASK) == CLASS_UTF16){ + return; + } + } +#endif + if (c2 == EOF) { + (*o_putc)(EOF); + return; + } else if (c2 == 0) { + output_mode = ASCII; + (*o_putc)(c1); + } else if (c2 == X0201) { + output_mode = JAPANESE_EUC; + (*o_putc)(SSO); (*o_putc)(c1|0x80); + } else if (c2 == ISO8859_1) { + output_mode = ISO8859_1; + (*o_putc)(c1 | 0x080); +#ifdef X0212_ENABLE + } else if ((c2 & 0xff00) >> 8 == 0x8f){ + output_mode = JAPANESE_EUC; +#ifdef SHIFTJIS_CP932 + if (cp932_f){ + int s2, s1; + if (e2s_conv(c2, c1, &s2, &s1) == 0){ + s2e_conv(s2, s1, &c2, &c1); + } + } +#endif + if ((c2 & 0xff00) >> 8 == 0x8f){ + 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 ((c1<0x21 || 0x7e<c1) || + (c2<0x21 || 0x7e<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 +int x0212_shift(c) + int c; +{ + int ret = c; + c &= 0x7f; + if ((ret & 0xff00) == 0x8f00){ + if (0x75 <= c && c <= 0x7f){ + ret = c + (0x109 - 0x75); + } + }else{ + if (0x75 <= c && c <= 0x7f){ + ret = c + (0x113 - 0x75); + } + } + return ret; +} + + +int x0212_unshift(c) + int c; +{ + int ret = c; + if (0x7f <= c && c <= 0x88){ + ret = c + (0x75 - 0x7f); + }else if (0x89 <= c && c <= 0x92){ + ret = (0x8f << 8) | 0x80 | (c + (0x75 - 0x89)); + } + return ret; +} +#endif /* X0212_ENABLE */ + +int +e2s_conv(c2, c1, p2, p1) + int c2, c1, *p2, *p1; +{ + int val = 0; + unsigned short *ptr; + int ndx; + extern unsigned short *x0212_shiftjis[]; +#ifdef X0212_ENABLE + if ((c2 & 0xff00) == 0x8f00){ + ndx = c2 & 0x7f; + if (0x21 <= ndx && ndx <= 0x7e){ + 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 ((c2 & 0xff00) == 0x8f00){ + 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(c2, c1) + int c2, + c1; +{ +#ifdef NUMCHAR_OPTION + if (c2 == 0 && (c1 & CLASS_MASK) == CLASS_UTF16){ + w16e_conv(c1, &c2, &c1); + } +#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 ((c2 & 0xff00) >> 8 == 0x8f){ + output_mode = SHIFT_JIS; + if (e2s_conv(c2, c1, &c2, &c1) == 0){ + (*o_putc)(c2); + (*o_putc)(c1); + } +#endif + } else { + if ((c1<0x20 || 0x7e<c1) || + (c2<0x20 || 0x7e<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){ + extern unsigned short cp932inv[2][189]; + int c = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40]; + if (c){ + c2 = c >> 8; + c1 = c & 0xff; + } + } +#endif /* SHIFTJIS_CP932 */ + + (*o_putc)(c2); + if (prefix_table[(unsigned char)c1]){ + (*o_putc)(prefix_table[(unsigned char)c1]); + } + (*o_putc)(c1); + } +} + +void +j_oconv(c2, c1) + int c2, + c1; +{ +#ifdef NUMCHAR_OPTION + if ((c1 & CLASS_MASK) == CLASS_UTF16){ + w16e_conv(c1, &c2, &c1); + } +#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 ((c2 & 0xff00) >> 8 == 0x8f){ + if (output_mode!=X0212) { + output_mode = X0212; + (*o_putc)(ESC); + (*o_putc)('$'); + (*o_putc)('('); + (*o_putc)('D'); + } + (*o_putc)(c2 & 0x7f); + (*o_putc)(c1); +#endif + } else if (c2==X0201) { + if (output_mode!=X0201) { + output_mode = X0201; + (*o_putc)(ESC); + (*o_putc)('('); + (*o_putc)('I'); + } + (*o_putc)(c1); + } else if (c2==ISO8859_1) { + /* iso8859 introduction, or 8th bit on */ + /* Can we convert in 7bit form using ESC-'-'-A ? + Is this popular? */ + output_mode = ISO8859_1; + (*o_putc)(c1|0x80); + } else if (c2 == 0) { + if (output_mode !=ASCII && output_mode!=ISO8859_1) { + (*o_putc)(ESC); + (*o_putc)('('); + (*o_putc)(ascii_intro); + output_mode = ASCII; + } + (*o_putc)(c1); + } else { + if (output_mode != X0208) { + output_mode = X0208; + (*o_putc)(ESC); + (*o_putc)('$'); + (*o_putc)(kanji_intro); + } + if (c1<0x20 || 0x7e<c1) + return; + if (c2<0x20 || 0x7e<c2) + return; + (*o_putc)(c2); + (*o_putc)(c1); + } +} + +void +base64_conv(c2, c1) + int c2, + c1; +{ + mime_prechar(c2, c1); + (*o_base64conv)(c2,c1); +} + + +static int broken_buf[3]; +static int broken_counter = 0; +static int broken_last = 0; +int +broken_getc(f) +FILE *f; +{ + int c,c1; + + if (broken_counter>0) { + return broken_buf[--broken_counter]; + } + c= (*i_bgetc)(f); + if (c=='$' && broken_last != ESC + && (input_mode==ASCII || input_mode==X0201)) { + c1= (*i_bgetc)(f); + broken_last = 0; + if (c1=='@'|| c1=='B') { + broken_buf[0]=c1; broken_buf[1]=c; + broken_counter=2; + return ESC; + } else { + (*i_bungetc)(c1,f); + return c; + } + } else if (c=='(' && broken_last != ESC + && (input_mode==X0208 || input_mode==X0201)) { /* ) */ + c1= (*i_bgetc)(f); + broken_last = 0; + if (c1=='J'|| c1=='B') { + broken_buf[0]=c1; broken_buf[1]=c; + broken_counter=2; + return ESC; + } else { + (*i_bungetc)(c1,f); + return c; + } + } else { + broken_last = c; + return c; + } +} + +int +broken_ungetc(c,f) +int c; +FILE *f; +{ + if (broken_counter<2) + broken_buf[broken_counter++]=c; + return c; +} + +static int prev_cr = 0; + +void +cr_conv(c2,c1) +int c2,c1; +{ + if (prev_cr) { + prev_cr = 0; + if (! (c2==0&&c1==NL) ) { + cr_conv(0,'\n'); + } + } + if (c2) { + (*o_crconv)(c2,c1); + } else if (c1=='\r') { + prev_cr = c1; + } else if (c1=='\n') { + if (crmode_f==CRLF) { + (*o_crconv)(0,'\r'); + } else if (crmode_f==CR) { + (*o_crconv)(0,'\r'); + return; + } + (*o_crconv)(0,NL); + } else if (c1!='\032' || crmode_f!=NL){ + (*o_crconv)(c2,c1); + } +} + +/* + Return value of fold_conv() + + \n add newline and output char + \r add newline and output nothing + ' ' space + 0 skip + 1 (or else) normal output + + fold state in prev (previous character) + + >0x80 Japanese (X0208/X0201) + <0x80 ASCII + \n new line + ' ' space + + This fold algorthm does not preserve heading space in a line. + This is the main difference from fmt. +*/ + +#define char_size(c2,c1) (c2?2:1) + +void +fold_conv(c2,c1) +int c2,c1; +{ + int prev0; + int fold_state=0; + + if (c1== '\r' && !fold_preserve_f) { + fold_state=0; /* ignore cr */ + }else if (c1== '\n'&&f_prev=='\r' && fold_preserve_f) { + f_prev = '\n'; + fold_state=0; /* ignore cr */ + } else if (c1== BS) { + if (f_line>0) f_line--; + fold_state = 1; + } else if (c2==EOF && f_line != 0) { /* close open last line */ + fold_state = '\n'; + } else if ((c1=='\n' && !fold_preserve_f) + || ((c1=='\r'||(c1=='\n'&&f_prev!='\r')) + && fold_preserve_f)) { + /* new line */ + if (fold_preserve_f) { + f_prev = c1; + f_line = 0; + fold_state = '\r'; + } else if ((f_prev == c1 && !fold_preserve_f) + || (f_prev == '\n' && fold_preserve_f) + ) { /* duplicate newline */ + if (f_line) { + f_line = 0; + fold_state = '\n'; /* output two newline */ + } else { + f_line = 0; + fold_state = 1; + } + } else { + if (f_prev&0x80) { /* Japanese? */ + f_prev = c1; + fold_state = 0; /* ignore given single newline */ + } else if (f_prev==' ') { + fold_state = 0; + } else { + f_prev = c1; + if (++f_line<=fold_len) + fold_state = ' '; + else { + f_line = 0; + fold_state = '\r'; /* fold and output nothing */ + } + } + } + } else if (c1=='\f') { + f_prev = '\n'; + if (f_line==0) + fold_state = 1; + f_line = 0; + fold_state = '\n'; /* output newline and clear */ + } else if ( (c2==0 && c1==' ')|| + (c2==0 && c1=='\t')|| + (c2=='!'&& c1=='!')) { + /* X0208 kankaku or ascii space */ + if (f_prev == ' ') { + fold_state = 0; /* remove duplicate spaces */ + } else { + f_prev = ' '; + if (++f_line<=fold_len) + fold_state = ' '; /* output ASCII space only */ + else { + f_prev = ' '; f_line = 0; + fold_state = '\r'; /* fold and output nothing */ + } + } + } else { + prev0 = f_prev; /* we still need this one... , but almost done */ + f_prev = c1; + if (c2 || c2==X0201) + f_prev |= 0x80; /* this is Japanese */ + f_line += char_size(c2,c1); + if (f_line<=fold_len) { /* normal case */ + fold_state = 1; + } else { + if (f_line>=fold_len+fold_margin) { /* too many kinsou suspension */ + f_line = char_size(c2,c1); + fold_state = '\n'; /* We can't wait, do fold now */ + } else if (c2==X0201) { + /* simple kinsoku rules return 1 means no folding */ + if (c1==(0xde&0x7f)) fold_state = 1; /* $B!+(B*/ + else if (c1==(0xdf&0x7f)) fold_state = 1; /* $B!,(B*/ + else if (c1==(0xa4&0x7f)) fold_state = 1; /* $B!#(B*/ + else if (c1==(0xa3&0x7f)) fold_state = 1; /* $B!$(B*/ + else if (c1==(0xa1&0x7f)) fold_state = 1; /* $B!W(B*/ + else if (c1==(0xb0&0x7f)) fold_state = 1; /* - */ + else if (SPACE<=c1 && c1<=(0xdf&0x7f)) { /* X0201 */ + f_line = 1; + fold_state = '\n';/* add one new f_line before this character */ + } else { + f_line = 1; + fold_state = '\n';/* add one new f_line before this character */ + } + } else if (c2==0) { + /* kinsoku point in ASCII */ + if ( c1==')'|| /* { [ ( */ + c1==']'|| + c1=='}'|| + c1=='.'|| + c1==','|| + c1=='!'|| + c1=='?'|| + c1=='/'|| + c1==':'|| + c1==';' ) { + fold_state = 1; + /* just after special */ + } else if (!is_alnum(prev0)) { + f_line = char_size(c2,c1); + fold_state = '\n'; + } else if ((prev0==' ') || /* ignored new f_line */ + (prev0=='\n')|| /* ignored new f_line */ + (prev0&0x80)) { /* X0208 - ASCII */ + f_line = char_size(c2,c1); + fold_state = '\n';/* add one new f_line before this character */ + } else { + fold_state = 1; /* default no fold in ASCII */ + } + } else { + if (c2=='!') { + if (c1=='"') fold_state = 1; /* $B!"(B */ + else if (c1=='#') fold_state = 1; /* $B!#(B */ + else if (c1=='W') fold_state = 1; /* $B!W(B */ + else if (c1=='K') fold_state = 1; /* $B!K(B */ + else if (c1=='$') fold_state = 1; /* $B!$(B */ + else if (c1=='%') fold_state = 1; /* $B!%(B */ + else if (c1=='\'') fold_state = 1; /* $B!\(B */ + else if (c1=='(') fold_state = 1; /* $B!((B */ + else if (c1==')') fold_state = 1; /* $B!)(B */ + else if (c1=='*') fold_state = 1; /* $B!*(B */ + else if (c1=='+') fold_state = 1; /* $B!+(B */ + else if (c1==',') fold_state = 1; /* $B!,(B */ + /* default no fold in kinsoku */ + else { + fold_state = '\n'; + f_line = char_size(c2,c1); + /* add one new f_line before this character */ + } + } else { + f_line = char_size(c2,c1); + fold_state = '\n'; + /* add one new f_line before this character */ + } + } + } + } + /* terminator process */ + switch(fold_state) { + case '\n': + (*o_fconv)(0,'\n'); + (*o_fconv)(c2,c1); + break; + case 0: + return; + case '\r': + (*o_fconv)(0,'\n'); + break; + case '\t': + case ' ': + (*o_fconv)(0,' '); + break; + default: + (*o_fconv)(c2,c1); + } +} + +int z_prev2=0,z_prev1=0; + +void +z_conv(c2,c1) +int c2,c1; +{ + + /* if (c2) c1 &= 0x7f; assertion */ + + if (x0201_f && z_prev2==X0201) { /* X0201 */ + if (c1==(0xde&0x7f)) { /* $BByE@(B */ + 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]) { /* $BH>ByE@(B */ + 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 $BByE@(B or $BH>ByE@(B */ + 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<c1 && c1<0x7f && fv[c1-0x20]) { + c1 = fv[c1-0x20]; + c2 = 0; + if (alpha_f&0x8) { + char *entity = 0; + switch (c1){ + case '>': entity = ">"; break; + case '<': entity = "<"; break; + case '\"': entity = """; break; + case '&': entity = "&"; break; + } + if (entity){ + while (*entity) (*o_zconv)(0, *entity++); + return; + } + } + } + } + (*o_zconv)(c2,c1); +} + + +#define rot13(c) ( \ + ( c < 'A' ) ? c: \ + (c <= 'M') ? (c + 13): \ + (c <= 'Z') ? (c - 13): \ + (c < 'a') ? (c): \ + (c <= 'm') ? (c + 13): \ + (c <= 'z') ? (c - 13): \ + (c) \ +) + +#define rot47(c) ( \ + ( c < '!' ) ? c: \ + ( c <= 'O' ) ? (c + 47) : \ + ( c <= '~' ) ? (c - 47) : \ + c \ +) + +void +rot_conv(c2,c1) +int c2,c1; +{ + if (c2==0 || c2==X0201 || c2==ISO8859_1) { + c1 = rot13(c1); + } else if (c2) { + c1 = rot47(c1); + c2 = rot47(c2); + } + (*o_rot_conv)(c2,c1); +} + +void +hira_conv(c2,c1) +int c2,c1; +{ + if ((hira_f & 1) && c2==0x25 && 0x20<c1 && c1<0x74) { + c2 = 0x24; + } else if ((hira_f & 2) && c2==0x24 && 0x20<c1 && c1<0x74) { + c2 = 0x25; + } + (*o_hira_conv)(c2,c1); +} + + +void +iso2022jp_check_conv(c2,c1) +int c2, c1; +{ + static int 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}, + }; + int i; + int start, end, c; + + if(c2 >= 0x00 && c2 <= 0x20 && c1 >= 0x7f && c1 <= 0xff) { + c2 = GETA1; + c1 = GETA2; + } + if((c2 >= 0x29 && c2 <= 0x2f) || (c2 >= 0x75 && c2 <= 0x7e)) { + c2 = GETA1; + c1 = GETA2; + } + + for (i = 0; i < RANGE_NUM_MAX; i++) { + start = range[i][0]; + end = range[i][1]; + c = (c2 << 8) + c1; + if (c >= start && c <= end) { + c2 = GETA1; + c1 = GETA2; + } + } + (*o_iso2022jp_check_conv)(c2,c1); +} + + +/* This converts =?ISO-2022-JP?B?HOGE HOGE?= */ + +unsigned char *mime_pattern[] = { + (unsigned char *)"\075?EUC-JP?B?", + (unsigned char *)"\075?SHIFT_JIS?B?", + (unsigned char *)"\075?ISO-8859-1?Q?", + (unsigned char *)"\075?ISO-8859-1?B?", + (unsigned char *)"\075?ISO-2022-JP?B?", + (unsigned char *)"\075?ISO-2022-JP?Q?", +#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) + (unsigned char *)"\075?UTF-8?B?", + (unsigned char *)"\075?UTF-8?Q?", +#endif + (unsigned char *)"\075?US-ASCII?Q?", + NULL +}; + + +/* $B3:Ev$9$k%3!<%I$NM%@hEY$r>e$2$k$?$a$NL\0u(B */ +int (*mime_priority_func[])PROTO((int c2, int c1, int c0)) = { + e_iconv, s_iconv, 0, 0, 0, 0, +#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) + w_iconv, w_iconv, +#endif + 0, +}; + +int mime_encode[] = { + JAPANESE_EUC, SHIFT_JIS,ISO8859_1, ISO8859_1, X0208, X0201, +#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) + UTF8, UTF8, +#endif + ASCII, + 0 +}; + +int mime_encode_method[] = { + 'B', 'B','Q', 'B', 'B', 'Q', +#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE) + 'B', 'Q', +#endif + 'Q', + 0 +}; + + +#define MAXRECOVER 20 + +/* I don't trust portablity of toupper */ +#define nkf_toupper(c) (('a'<=c && c<='z')?(c-('a'-'A')):c) +#define nkf_isdigit(c) ('0'<=c && c<='9') +#define nkf_isxdigit(c) (nkf_isdigit(c) || ('a'<=c && c<='f') || ('A'<=c && c <= 'F')) +#define nkf_isblank(c) (c == SPACE || c == TAB) +#define nkf_isspace(c) (nkf_isblank(c) || c == CR || c == NL) +#define nkf_isalpha(c) (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z')) +#define nkf_isalnum(c) (nkf_isdigit(c) || nkf_isalpha(c)) + +void +switch_mime_getc() +{ + if (i_getc!=mime_getc) { + i_mgetc = i_getc; i_getc = mime_getc; + i_mungetc = i_ungetc; i_ungetc = mime_ungetc; + if(mime_f==STRICT_MIME) { + i_mgetc_buf = i_mgetc; i_mgetc = mime_getc_buf; + i_mungetc_buf = i_mungetc; i_mungetc = mime_ungetc_buf; + } + } +} + +void +unswitch_mime_getc() +{ + if(mime_f==STRICT_MIME) { + i_mgetc = i_mgetc_buf; + i_mungetc = i_mungetc_buf; + } + i_getc = i_mgetc; + i_ungetc = i_mungetc; +} + +int +mime_begin_strict(f) +FILE *f; +{ + int c1 = 0; + int i,j,k; + unsigned char *p,*q; + int r[MAXRECOVER]; /* recovery buffer, max mime pattern lenght */ + + mime_decode_mode = FALSE; + /* =? has been checked */ + j = 0; + p = mime_pattern[j]; + r[0]='='; r[1]='?'; + + for(i=2;p[i]>' ';i++) { /* start at =? */ + if ( ((r[i] = c1 = (*i_getc)(f))==EOF) || nkf_toupper(c1) != p[i] ) { + /* pattern fails, try next one */ + q = p; + while ((p = mime_pattern[++j])) { + for(k=2;k<i;k++) /* assume length(p) > i */ + if (p[k]!=q[k]) break; + if (k==i && nkf_toupper(c1)==p[k]) break; + } + if (p) continue; /* found next one, continue */ + /* all fails, output from recovery buffer */ + (*i_ungetc)(c1,f); + for(j=0;j<i;j++) { + (*oconv)(0,r[j]); + } + return c1; + } + } + mime_decode_mode = p[i-2]; + + set_iconv(FALSE, mime_priority_func[j]); + clr_code_score(find_inputcode_byfunc(mime_priority_func[j]), SCORE_iMIME); + + if (mime_decode_mode=='B') { + mimebuf_f = unbuf_f; + if (!unbuf_f) { + /* do MIME integrity check */ + return mime_integrity(f,mime_pattern[j]); + } + } + switch_mime_getc(); + mimebuf_f = TRUE; + return c1; +} + +int +mime_getc_buf(f) +FILE *f; +{ + /* we don't keep eof of Fifo, becase it contains ?= as + a terminator. It was checked in mime_integrity. */ + return ((mimebuf_f)? + (*i_mgetc_buf)(f):Fifo(mime_input++)); +} + +int +mime_ungetc_buf(c,f) +FILE *f; +int c; +{ + if (mimebuf_f) + (*i_mungetc_buf)(c,f); + else + Fifo(--mime_input)=c; + return c; +} + +int +mime_begin(f) +FILE *f; +{ + int c1; + int i,k; + + /* In NONSTRICT mode, only =? is checked. In case of failure, we */ + /* re-read and convert again from mime_buffer. */ + + /* =? has been checked */ + k = mime_last; + Fifo(mime_last++)='='; Fifo(mime_last++)='?'; + for(i=2;i<MAXRECOVER;i++) { /* start at =? */ + /* We accept any character type even if it is breaked by new lines */ + c1 = (*i_getc)(f); Fifo(mime_last++)= c1 ; + if (c1=='\n'||c1==' '||c1=='\r'|| + c1=='-'||c1=='_'||is_alnum(c1) ) continue; + if (c1=='=') { + /* Failed. But this could be another MIME preemble */ + (*i_ungetc)(c1,f); + mime_last--; + break; + } + if (c1!='?') break; + else { + /* c1=='?' */ + c1 = (*i_getc)(f); Fifo(mime_last++) = c1; + if (!(++i<MAXRECOVER) || c1==EOF) break; + if (c1=='b'||c1=='B') { + mime_decode_mode = 'B'; + } else if (c1=='q'||c1=='Q') { + mime_decode_mode = 'Q'; + } else { + break; + } + c1 = (*i_getc)(f); Fifo(mime_last++) = c1; + if (!(++i<MAXRECOVER) || c1==EOF) break; + if (c1!='?') { + mime_decode_mode = FALSE; + } + break; + } + } + switch_mime_getc(); + if (!mime_decode_mode) { + /* false MIME premble, restart from mime_buffer */ + mime_decode_mode = 1; /* no decode, but read from the mime_buffer */ + /* Since we are in MIME mode until buffer becomes empty, */ + /* we never go into mime_begin again for a while. */ + return c1; + } + /* discard mime preemble, and goto MIME mode */ + mime_last = k; + /* do no MIME integrity check */ + return c1; /* used only for checking EOF */ +} + +#ifdef CHECK_OPTION +void +no_putc(c) + int c; +{ + ; +} + +void debug(str) + char *str; +{ + if (debug_f){ + fprintf(stderr, "%s\n", str); + } +} +#endif + +void +set_input_codename (codename) + char *codename; +{ + if (guess_f && + is_inputcode_set && + strcmp(codename, "") != 0 && + strcmp(codename, input_codename) != 0) + { + is_inputcode_mixed = TRUE; + } + input_codename = codename; + is_inputcode_set = TRUE; +} + +#ifndef WIN32DLL +void +print_guessed_code (filename) + 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); +} +#endif /*WIN32DLL*/ + +int +hex2bin(x) + int x; +{ + if (nkf_isdigit(x)) return x - '0'; + return nkf_toupper(x) - 'A' + 10; +} + +#ifdef INPUT_OPTION + +#ifdef ANSI_C_PROTOTYPE +int hex_getc(int ch, FILE *f, int (*g)(FILE *f), int (*u)(int c, FILE *f)) +#else +int +hex_getc(ch, f, g, u) + int ch; + FILE *f; + int (*g)(); + int (*u)(); +#endif +{ + int c1, c2, c3; + c1 = (*g)(f); + if (c1 != ch){ + return c1; + } + c2 = (*g)(f); + if (!nkf_isxdigit(c2)){ + (*u)(c2, f); + return c1; + } + c3 = (*g)(f); + if (!nkf_isxdigit(c3)){ + (*u)(c2, f); + (*u)(c3, f); + return c1; + } + return (hex2bin(c2) << 4) | hex2bin(c3); +} + +int +cap_getc(f) + FILE *f; +{ + return hex_getc(':', f, i_cgetc, i_cungetc); +} + +int +cap_ungetc(c, f) + int c; + FILE *f; +{ + return (*i_cungetc)(c, f); +} + +int +url_getc(f) + FILE *f; +{ + return hex_getc('%', f, i_ugetc, i_uungetc); +} + +int +url_ungetc(c, f) + int c; + FILE *f; +{ + return (*i_uungetc)(c, f); +} +#endif + +#ifdef NUMCHAR_OPTION +int +numchar_getc(f) + FILE *f; +{ + int (*g)() = i_ngetc; + int (*u)() = i_nungetc; + int i = 0, j; + int buf[8]; + 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 < 5; 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 < 6; 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_UTF16 | c; + } + while (i > 0){ + (*u)(buf[i], f); + --i; + } + return buf[0]; +} + +int +numchar_ungetc(c, f) + int c; + FILE *f; +{ + return (*i_nungetc)(c, f); +} +#endif + + +int +mime_getc(f) +FILE *f; +{ + int c1, c2, c3, c4, cc; + int t1, t2, t3, t4, mode, exit_mode; + int lwsp_count; + char *lwsp_buf; + char *lwsp_buf_new; + int lwsp_size = 128; + + if (mime_top != mime_last) { /* Something is in FIFO */ + return Fifo(mime_top++); + } + if (mime_decode_mode==1 ||mime_decode_mode==FALSE) { + mime_decode_mode=FALSE; + unswitch_mime_getc(); + return (*i_getc)(f); + } + + if (mimebuf_f == FIXED_MIME) + exit_mode = mime_decode_mode; + else + exit_mode = FALSE; + if (mime_decode_mode == 'Q') { + if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF); +restart_mime_q: + if (c1=='_') return ' '; + if (c1!='=' && c1!='?') { + return c1; + } + + mime_decode_mode = exit_mode; /* prepare for quit */ + if (c1<=' ') return c1; + if ((c2 = (*i_mgetc)(f)) == EOF) return (EOF); + if (c1=='?'&&c2=='=' && mimebuf_f != FIXED_MIME) { + /* end Q encoding */ + input_mode = exit_mode; + lwsp_count = 0; + lwsp_buf = malloc((lwsp_size+5)*sizeof(char)); + if (lwsp_buf==NULL) { + perror("can't malloc"); + return -1; + } + while ((c1=(*i_getc)(f))!=EOF) { + switch (c1) { + case NL: + case CR: + if (c1==NL) { + if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) { + i_ungetc(SPACE,f); + continue; + } else { + i_ungetc(c1,f); + } + c1 = NL; + } else { + if ((c1=(*i_getc)(f))!=EOF && c1 == NL) { + if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) { + i_ungetc(SPACE,f); + continue; + } else { + i_ungetc(c1,f); + } + i_ungetc(NL,f); + } else { + i_ungetc(c1,f); + } + c1 = CR; + } + break; + case SPACE: + case TAB: + lwsp_buf[lwsp_count] = c1; + if (lwsp_count++>lwsp_size){ + lwsp_size *= 2; + lwsp_buf_new = realloc(lwsp_buf, (lwsp_size+5)*sizeof(char)); + if (lwsp_buf_new==NULL) { + free(lwsp_buf); + lwsp_buf = NULL; + perror("can't realloc"); + return -1; + } + lwsp_buf = lwsp_buf_new; + } + continue; + } + break; + } + if (lwsp_count > 0) { + if (c1=='=' && (lwsp_buf[lwsp_count-1]==SPACE||lwsp_buf[lwsp_count-1]==TAB)) { + lwsp_count = 0; + } else { + 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); + lwsp_buf = NULL; + return c1; + } + if (c1=='='&&c2<' ') { /* this is soft wrap */ + while((c1 = (*i_mgetc)(f)) <=' ') { + if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF); + } + mime_decode_mode = 'Q'; /* still in MIME */ + goto restart_mime_q; + } + if (c1=='?') { + mime_decode_mode = 'Q'; /* still in MIME */ + (*i_mungetc)(c2,f); + return c1; + } + if ((c3 = (*i_mgetc)(f)) == EOF) return (EOF); + if (c2<=' ') return c2; + mime_decode_mode = 'Q'; /* still in MIME */ +#define hex(c) (('0'<=c&&c<='9')?(c-'0'):\ + ('A'<=c&&c<='F')?(c-'A'+10):('a'<=c&&c<='f')?(c-'a'+10):0) + return ((hex(c2)<<4) + hex(c3)); + } + + if (mime_decode_mode != 'B') { + mime_decode_mode = FALSE; + return (*i_mgetc)(f); + } + + + /* Base64 encoding */ + /* + MIME allows line break in the middle of + Base64, but we are very pessimistic in decoding + in unbuf mode because MIME encoded code may broken by + less or editor's control sequence (such as ESC-[-K in unbuffered + mode. ignore incomplete MIME. + */ + mode = mime_decode_mode; + mime_decode_mode = exit_mode; /* prepare for quit */ + + while ((c1 = (*i_mgetc)(f))<=' ') { + if (c1==EOF) + return (EOF); + } +mime_c2_retry: + if ((c2 = (*i_mgetc)(f))<=' ') { + if (c2==EOF) + return (EOF); + if (mime_f != STRICT_MIME) goto mime_c2_retry; + if (mimebuf_f!=FIXED_MIME) input_mode = ASCII; + return c2; + } + if ((c1 == '?') && (c2 == '=')) { + input_mode = ASCII; + lwsp_count = 0; + lwsp_buf = malloc((lwsp_size+5)*sizeof(char)); + if (lwsp_buf==NULL) { + perror("can't malloc"); + return -1; + } + while ((c1=(*i_getc)(f))!=EOF) { + switch (c1) { + case NL: + case CR: + if (c1==NL) { + if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) { + i_ungetc(SPACE,f); + continue; + } else { + i_ungetc(c1,f); + } + c1 = NL; + } else { + if ((c1=(*i_getc)(f))!=EOF) { + if (c1==SPACE) { + i_ungetc(SPACE,f); + continue; + } else if ((c1=(*i_getc)(f))!=EOF && (c1==SPACE||c1==TAB)) { + i_ungetc(SPACE,f); + continue; + } else { + i_ungetc(c1,f); + } + i_ungetc(NL,f); + } else { + i_ungetc(c1,f); + } + c1 = CR; + } + break; + case SPACE: + case TAB: + lwsp_buf[lwsp_count] = c1; + if (lwsp_count++>lwsp_size){ + lwsp_size *= 2; + lwsp_buf_new = realloc(lwsp_buf, (lwsp_size+5)*sizeof(char)); + if (lwsp_buf_new==NULL) { + free(lwsp_buf); + lwsp_buf = NULL; + perror("can't realloc"); + return -1; + } + lwsp_buf = lwsp_buf_new; + } + continue; + } + break; + } + if (lwsp_count > 0) { + if (c1=='=' && (lwsp_buf[lwsp_count-1]==SPACE||lwsp_buf[lwsp_count-1]==TAB)) { + lwsp_count = 0; + } else { + 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); + lwsp_buf = NULL; + return c1; + } +mime_c3_retry: + if ((c3 = (*i_mgetc)(f))<=' ') { + if (c3==EOF) + return (EOF); + if (mime_f != STRICT_MIME) goto mime_c3_retry; + if (mimebuf_f!=FIXED_MIME) input_mode = ASCII; + return c3; + } +mime_c4_retry: + if ((c4 = (*i_mgetc)(f))<=' ') { + if (c4==EOF) + return (EOF); + if (mime_f != STRICT_MIME) goto mime_c4_retry; + if (mimebuf_f!=FIXED_MIME) input_mode = ASCII; + return c4; + } + + mime_decode_mode = mode; /* still in MIME sigh... */ + + /* BASE 64 decoding */ + + t1 = 0x3f & base64decode(c1); + t2 = 0x3f & base64decode(c2); + t3 = 0x3f & base64decode(c3); + t4 = 0x3f & base64decode(c4); + cc = ((t1 << 2) & 0x0fc) | ((t2 >> 4) & 0x03); + if (c2 != '=') { + Fifo(mime_last++) = cc; + cc = ((t2 << 4) & 0x0f0) | ((t3 >> 2) & 0x0f); + if (c3 != '=') { + Fifo(mime_last++) = cc; + cc = ((t3 << 6) & 0x0c0) | (t4 & 0x3f); + if (c4 != '=') + Fifo(mime_last++) = cc; + } + } else { + return c1; + } + return Fifo(mime_top++); +} + +int +mime_ungetc(c,f) +int c; +FILE *f; +{ + Fifo(--mime_top) = c; + return c; +} + +int +mime_integrity(f,p) +FILE *f; +unsigned char *p; +{ + int c,d; + unsigned int q; + /* In buffered mode, read until =? or NL or buffer full + */ + mime_input = mime_top; + mime_last = mime_top; + while(*p) Fifo(mime_input++) = *p++; + d = 0; + q = mime_input; + while((c=(*i_getc)(f))!=EOF) { + if (((mime_input-mime_top)&MIME_BUF_MASK)==0) { + break; /* buffer full */ + } + if (c=='=' && d=='?') { + /* checked. skip header, start decode */ + Fifo(mime_input++) = c; + /* mime_last_input = mime_input; */ + mime_input = q; + switch_mime_getc(); + return 1; + } + if (!( (c=='+'||c=='/'|| c=='=' || c=='?' || is_alnum(c)))) + break; + /* Should we check length mod 4? */ + Fifo(mime_input++) = c; + d=c; + } + /* In case of Incomplete MIME, no MIME decode */ + Fifo(mime_input++) = c; + mime_last = mime_input; /* point undecoded buffer */ + mime_decode_mode = 1; /* no decode on Fifo last in mime_getc */ + switch_mime_getc(); /* anyway we need buffered getc */ + return 1; +} + +int +base64decode(c) + int c; +{ + int i; + if (c > '@') { + if (c < '[') { + i = c - 'A'; /* A..Z 0-25 */ + } else { + i = c - 'G' /* - 'a' + 26 */ ; /* a..z 26-51 */ + } + } else if (c > '/') { + i = c - '0' + '4' /* - '0' + 52 */ ; /* 0..9 52-61 */ + } else if (c == '+') { + i = '>' /* 62 */ ; /* + 62 */ + } else { + i = '?' /* 63 */ ; /* / 63 */ + } + return (i); +} + +static char basis_64[] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + +static int b64c; +#define MIMEOUT_BUF_LENGTH (60) +char mimeout_buf[MIMEOUT_BUF_LENGTH+1]; +int mimeout_buf_count = 0; +int mimeout_preserve_space = 0; +#define itoh4(c) (c>=10?c+'A'-10:c+'0') + +void +open_mime(mode) +int mode; +{ + unsigned char *p; + int i; + int j; + p = mime_pattern[0]; + for(i=0;mime_encode[i];i++) { + if (mode == mime_encode[i]) { + p = mime_pattern[i]; + break; + } + } + mimeout_mode = mime_encode_method[i]; + + i = 0; + if (base64_count>45) { + if (mimeout_buf_count>0 && nkf_isblank(mimeout_buf[i])){ + (*o_mputc)(mimeout_buf[i]); + i++; + } + (*o_mputc)(NL); + (*o_mputc)(SPACE); + base64_count = 1; + if (!mimeout_preserve_space && mimeout_buf_count>0 + && (mimeout_buf[i]==SPACE || mimeout_buf[i]==TAB + || mimeout_buf[i]==CR || mimeout_buf[i]==NL )) { + i++; + } + } + if (!mimeout_preserve_space) { + for (;i<mimeout_buf_count;i++) { + if (mimeout_buf[i]==SPACE || mimeout_buf[i]==TAB + || mimeout_buf[i]==CR || mimeout_buf[i]==NL ) { + (*o_mputc)(mimeout_buf[i]); + base64_count ++; + } else { + break; + } + } + } + mimeout_preserve_space = FALSE; + + while(*p) { + (*o_mputc)(*p++); + base64_count ++; + } + j = mimeout_buf_count; + mimeout_buf_count = 0; + for (;i<j;i++) { + mime_putc(mimeout_buf[i]); + } +} + +void +close_mime() +{ + (*o_mputc)('?'); + (*o_mputc)('='); + base64_count += 2; + mimeout_mode = 0; +} + +void +eof_mime() +{ + switch(mimeout_mode) { + case 'Q': + case 'B': + break; + case 2: + (*o_mputc)(basis_64[((b64c & 0x3)<< 4)]); + (*o_mputc)('='); + (*o_mputc)('='); + base64_count += 3; + break; + case 1: + (*o_mputc)(basis_64[((b64c & 0xF) << 2)]); + (*o_mputc)('='); + base64_count += 2; + break; + } + if (mimeout_mode) { + if (mimeout_f!=FIXED_MIME) { + close_mime(); + } else if (mimeout_mode != 'Q') + mimeout_mode = 'B'; + } +} + +void +mimeout_addchar(c) + int c; +{ + switch(mimeout_mode) { + case 'Q': + if(c==SPACE){ + (*o_mputc)('_'); + base64_count++; + } else if (c==CR||c==NL) { + (*o_mputc)(c); + base64_count = 0; + } else if(c<SPACE||c=='='||c=='?'||c=='_'||DEL<=c) { + (*o_mputc)('='); + (*o_mputc)(itoh4(((c>>4)&0xf))); + (*o_mputc)(itoh4((c&0xf))); + base64_count += 3; + } else { + (*o_mputc)(c); + base64_count++; + } + break; + case 'B': + b64c=c; + (*o_mputc)(basis_64[c>>2]); + mimeout_mode=2; + base64_count ++; + break; + case 2: + (*o_mputc)(basis_64[((b64c & 0x3)<< 4) | ((c & 0xF0) >> 4)]); + b64c=c; + mimeout_mode=1; + base64_count ++; + break; + case 1: + (*o_mputc)(basis_64[((b64c & 0xF) << 2) | ((c & 0xC0) >>6)]); + (*o_mputc)(basis_64[c & 0x3F]); + mimeout_mode='B'; + base64_count += 2; + break; + default: + (*o_mputc)(c); + base64_count++; + break; + } +} + +int mime_lastchar2, mime_lastchar1; + +void mime_prechar(c2, c1) + int c2, c1; +{ + if (mimeout_mode){ + if (c2){ + if (base64_count + mimeout_buf_count/3*4> 66){ + (*o_base64conv)(EOF,0); + (*o_base64conv)(0,NL); + (*o_base64conv)(0,SPACE); + } + }/*else if (mime_lastchar2){ + if (c1 <=DEL && !nkf_isspace(c1)){ + (*o_base64conv)(0,SPACE); + } + }*/ + }/*else{ + if (c2 && mime_lastchar2 == 0 + && mime_lastchar1 && !nkf_isspace(mime_lastchar1)){ + (*o_base64conv)(0,SPACE); + } + }*/ + mime_lastchar2 = c2; + mime_lastchar1 = c1; +} + +void +mime_putc(c) + int c; +{ + int i = 0; + int j = 0; + int lastchar; + + if (mimeout_f == FIXED_MIME){ + if (mimeout_mode == 'Q'){ + if (base64_count > 71){ + if (c!=CR && c!=NL) { + (*o_mputc)('='); + (*o_mputc)(NL); + } + base64_count = 0; + } + }else{ + if (base64_count > 71){ + eof_mime(); + (*o_mputc)(NL); + base64_count = 0; + } + if (c == EOF) { /* c==EOF */ + eof_mime(); + } + } + if (c != EOF) { /* c==EOF */ + mimeout_addchar(c); + } + return; + } + + /* mimeout_f != FIXED_MIME */ + + if (c == EOF) { /* c==EOF */ + j = mimeout_buf_count; + mimeout_buf_count = 0; + i = 0; + for (;i<j;i++) { + /*if (nkf_isspace(mimeout_buf[i])){ + break; + }*/ + mimeout_addchar(mimeout_buf[i]); + } + eof_mime(); + for (;i<j;i++) { + (*o_mputc)(mimeout_buf[i]); + base64_count++; + } + 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<mimeout_buf_count;i++) { + (*o_mputc)(mimeout_buf[i]); + if (mimeout_buf[i] == CR || mimeout_buf[i] == NL){ + base64_count = 0; + }else{ + base64_count++; + } + } + mimeout_buf[0] = c; + mimeout_buf_count = 1; + }else{ + if (base64_count > 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++] = c; + if (mimeout_buf_count>MIMEOUT_BUF_LENGTH) { + open_mime(output_mode); + } + } + return; + }else{ + if (lastchar==CR || lastchar == NL){ + for (i=0;i<mimeout_buf_count;i++) { + (*o_mputc)(mimeout_buf[i]); + } + base64_count = 0; + mimeout_buf_count = 0; + } + if (lastchar==SPACE) { + for (i=0;i<mimeout_buf_count-1;i++) { + (*o_mputc)(mimeout_buf[i]); + base64_count++; + } + mimeout_buf[0] = SPACE; + mimeout_buf_count = 1; + } + open_mime(output_mode); + } + }else{ + /* mimeout_mode == 'B', 1, 2 */ + if ( c<=DEL && (output_mode==ASCII ||output_mode == ISO8859_1 ) ) { + if (lastchar == CR || lastchar == NL){ + if (nkf_isblank(c)) { + for (i=0;i<mimeout_buf_count;i++) { + mimeout_addchar(mimeout_buf[i]); + } + mimeout_buf_count = 0; + } else if (SPACE<c && c<DEL) { + eof_mime(); + for (i=0;i<mimeout_buf_count;i++) { + (*o_mputc)(mimeout_buf[i]); + } + base64_count = 0; + mimeout_buf_count = 0; + } + } + if (c==SPACE || c==TAB || c==CR || c==NL) { + for (i=0;i<mimeout_buf_count;i++) { + if (SPACE<mimeout_buf[i] && mimeout_buf[i]<DEL) { + eof_mime(); + for (i=0;i<mimeout_buf_count;i++) { + (*o_mputc)(mimeout_buf[i]); + base64_count++; + } + mimeout_buf_count = 0; + } + } + mimeout_buf[mimeout_buf_count++] = c; + if (mimeout_buf_count>MIMEOUT_BUF_LENGTH) { + eof_mime(); + for (i=0;i<mimeout_buf_count;i++) { + (*o_mputc)(mimeout_buf[i]); + base64_count++; + } + mimeout_buf_count = 0; + } + return; + } + if (mimeout_buf_count>0 && SPACE<c && c!='=') { + mimeout_buf[mimeout_buf_count++] = c; + if (mimeout_buf_count>MIMEOUT_BUF_LENGTH) { + j = mimeout_buf_count; + mimeout_buf_count = 0; + for (i=0;i<j;i++) { + mimeout_addchar(mimeout_buf[i]); + } + } + return; + } + } + } + if (mimeout_buf_count>0) { + j = mimeout_buf_count; + mimeout_buf_count = 0; + for (i=0;i<j;i++) { + if (mimeout_buf[i]==CR || mimeout_buf[i]==NL) + break; + mimeout_addchar(mimeout_buf[i]); + } + if (i<j) { + eof_mime(); + base64_count=0; + for (;i<j;i++) { + (*o_mputc)(mimeout_buf[i]); + } + open_mime(output_mode); + } + } + mimeout_addchar(c); +} + + +#if defined(PERL_XS) || defined(WIN32DLL) +void +reinit() +{ + { + 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; +#ifdef UTF8_OUTPUT_ENABLE + unicode_bom_f = 0; + w_oconv16_LE = 0; + ms_ucs_map_f = FALSE; +#endif +#ifdef INPUT_OPTION + cap_f = FALSE; + url_f = FALSE; + numchar_f = FALSE; +#endif +#ifdef CHECK_OPTION + noout_f = FALSE; + debug_f = FALSE; +#endif + guess_f = FALSE; + is_inputcode_mixed = FALSE; + is_inputcode_set = FALSE; +#ifdef EXEC_IO + exec_f = 0; +#endif +#ifdef SHIFTJIS_CP932 + cp932_f = TRUE; + cp932inv_f = TRUE; +#endif + { + int i; + for (i = 0; i < 256; i++){ + prefix_table[i] = 0; + } + } +#ifdef UTF8_INPUT_ENABLE + utf16_mode = UTF16BE_INPUT; +#endif + 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 = FALSE; + crmode_f = 0; + option_mode = 0; + broken_counter = 0; + broken_last = 0; + z_prev2=0,z_prev1=0; +#ifdef CHECK_OPTION + iconv_for_check = 0; +#endif + input_codename = ""; +#ifdef WIN32DLL + reinitdll(); +#endif /*WIN32DLL*/ +} +#endif + +void +no_connection(c2,c1) +int c2,c1; +{ + no_connection2(c2,c1,0); +} + +int +no_connection2(c2,c1,c0) +int c2,c1,c0; +{ + fprintf(stderr,"nkf internal module connection failure.\n"); + exit(1); + return 0; /* LINT */ +} + +#ifndef PERL_XS +#ifdef WIN32DLL +#define fprintf dllprintf +#endif +void +usage() +{ + 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 Outout code is JIS 7 bit, Shift JIS (DEFAULT), AT&T JIS (EUC), UTF-8\n"); +#endif +#ifdef DEFAULT_CODE_JIS + fprintf(stderr,"j,s,e,w Outout code is JIS 7 bit (DEFAULT), Shift JIS, AT&T JIS (EUC), UTF-8\n"); +#endif +#ifdef DEFAULT_CODE_EUC + fprintf(stderr,"j,s,e,w Outout code is JIS 7 bit, Shift JIS, AT&T JIS (EUC) (DEFAULT), UTF-8\n"); +#endif +#ifdef DEFAULT_CODE_UTF8 + fprintf(stderr,"j,s,e,w Outout code is JIS 7 bit, Shift JIS, AT&T JIS (EUC), UTF-8 (DEFAULT)\n"); +#endif +#ifdef UTF8_OUTPUT_ENABLE + fprintf(stderr," After 'w' you can add more options. (80?|16((B|L)0?)?) \n"); +#endif + fprintf(stderr,"J,S,E,W Input assumption is JIS 7 bit , Shift JIS, AT&T JIS (EUC), UTF-8\n"); +#ifdef UTF8_INPUT_ENABLE + fprintf(stderr," After 'W' you can add more options. (8|16(B|L)?) \n"); +#endif + fprintf(stderr,"t no conversion\n"); + fprintf(stderr,"i_/o_ Output sequence to designate JIS-kanji/ASCII (DEFAULT B)\n"); + fprintf(stderr,"r {de/en}crypt ROT13/47\n"); + fprintf(stderr,"h 1 hirakana->katakana, 2 katakana->hirakana,3 both\n"); + fprintf(stderr,"v Show this usage. V: show version\n"); + fprintf(stderr,"m[BQN0] MIME decode [B:base64,Q:quoted,N:non-strict,0:no decode]\n"); + fprintf(stderr,"M[BQ] MIME encode [B:base64 Q:quoted]\n"); + fprintf(stderr,"l ISO8859-1 (Latin-1) support\n"); + fprintf(stderr,"f/F Folding: -f60 or -f or -f60-10 (fold margin 10) F preserve nl\n"); + fprintf(stderr,"Z[0-3] Convert X0208 alphabet to ASCII 1: Kankaku to space,2: 2 spaces,\n"); + fprintf(stderr," 3: Convert HTML Entity\n"); + fprintf(stderr,"X,x Assume X0201 kana in MS-Kanji, -x preserves X0201\n"); + fprintf(stderr,"B[0-2] Broken input 0: missing ESC,1: any X on ESC-[($]-X,2: ASCII on NL\n"); +#ifdef MSDOS + fprintf(stderr,"T Text mode output\n"); +#endif + fprintf(stderr,"O Output to File (DEFAULT 'nkf.out')\n"); + fprintf(stderr,"d,c Delete \\r in line feed and \\032, Add \\r in line feed\n"); + fprintf(stderr,"I Convert non ISO-2022-JP charactor to GETA\n"); + fprintf(stderr,"-L[uwm] line mode u:LF w:CRLF m:CR (DEFAULT noconversion)\n"); + fprintf(stderr,"long name options\n"); + fprintf(stderr," --fj,--unix,--mac,--windows convert for the system\n"); + fprintf(stderr," --jis,--euc,--sjis,--utf8,--utf16,--mime,--base64 convert for the code\n"); + fprintf(stderr," --hiragana, --katakana Hiragana/Katakana Conversion\n"); + fprintf(stderr," --x0212 Convert JISX0212\n"); + fprintf(stderr," --cp932, --no-cp932 CP932 compatibility\n"); +#ifdef INPUT_OPTION + fprintf(stderr," --cap-input, --url-input Convert hex after ':' or '%%'\n"); +#endif +#ifdef NUMCHAR_OPTION + fprintf(stderr," --numchar-input Convert Unicode Character Reference\n"); +#endif +#ifdef UTF8_OUTPUT_ENABLE + fprintf(stderr," --ms-ucs-map Microsoft UCS Mapping Compatible\n"); +#endif +#ifdef OVERWRITE + fprintf(stderr," --overwrite Overwrite original listed files by filtered result\n"); +#endif + fprintf(stderr," -g, --guess Guess the input code\n"); + fprintf(stderr," --help,--version\n"); + version(); +} + +void +version() +{ + fprintf(stderr,"Network Kanji Filter Version %s (%s) " +#if defined(MSDOS) && !defined(__WIN32__) && !defined(__WIN16__) + "for DOS" +#endif +#if defined(MSDOS) && defined(__WIN16__) + "for Win16" +#endif +#if defined(MSDOS) && defined(__WIN32__) + "for Win32" +#endif +#ifdef __OS2__ + "for OS/2" +#endif + ,NKF_VERSION,NKF_RELEASE_DATE); + fprintf(stderr,"\n%s\n",CopyRight); +} +#endif /*PERL_XS*/ + +/** + ** $B%Q%C%A@):n<T(B + ** void@merope.pleiades.or.jp (Kusakabe Youichi) + ** NIDE Naoyuki <nide@ics.nara-wu.ac.jp> + ** ohta@src.ricoh.co.jp (Junn Ohta) + ** inouet@strl.nhk.or.jp (Tomoyuki Inoue) + ** kiri@pulser.win.or.jp (Tetsuaki Kiriyama) + ** Kimihiko Sato <sato@sail.t.u-tokyo.ac.jp> + ** a_kuroe@kuroe.aoba.yokohama.jp (Akihiko Kuroe) + ** kono@ie.u-ryukyu.ac.jp (Shinji Kono) + ** GHG00637@nifty-serve.or.jp (COW) + ** + **/ + +/* end */