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ruby--ruby/ext/nkf/nkf-utf8/nkf.c
naruse 6d25a97ca0 from nkf 2.0.4 
http://sourceforge.jp/projects/nkf/


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7133 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2004-10-29 06:55:08 +00:00

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/** 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
***********************************************************************/
#include "config.h"
static char *CopyRight =
"Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),2000 S. Kono, COW, 2002-2004 Kono, Furukawa";
static char *Version =
"2.0";
static char *Patchlevel =
"4/0401/Shinji Kono";
/*
**
**
**
** 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
#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 <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#ifndef MSDOS /* UNIX, OS/2 */
#include <unistd.h>
#include <utime.h>
#else
#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
#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
/* 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 UTF16_INPUT 14
#define UTF16BE_INPUT 15
#define WISH_TRUE 15
/* ASCII CODE */
#define BS 0x08
#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 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)()));
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 void 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_putc PROTO((int c));
STATIC void open_mime PROTO((int c));
STATIC void close_mime PROTO(());
STATIC void usage PROTO(());
STATIC void version PROTO(());
STATIC void options PROTO((unsigned char *c));
#ifdef PERL_XS
STATIC void reinit PROTO(());
#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 mimebuf_f = FALSE; /* MIME buffered input */
static int broken_f = FALSE; /* convert ESC-less broken JIS */
static int iso8859_f = FALSE; /* ISO8859 through */
static int mimeout_f = FALSE; /* base64 mode */
#if defined(MSDOS) || defined(__OS2__)
static int x0201_f = TRUE; /* Assume JISX0201 kana */
#else
static int x0201_f = NO_X0201; /* Assume NO JISX0201 */
#endif
static int iso2022jp_f = FALSE; /* convert ISO-2022-JP */
#ifdef UTF8_OUTPUT_ENABLE
static int w_oconv16_begin_f= 0; /* utf-16 header */
static int w_oconv16_LE = 0; /* utf-16 little endian */
#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 = FALSE;
#define CP932INV_TABLE_BEGIN (0xed)
#define CP932INV_TABLE_END (0xee)
#endif /* SHIFTJIS_CP932 */
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 = UTF16_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,
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 */
#ifndef PERL_XS
int
main(argc, argv)
int argc;
char **argv;
{
FILE *fin;
unsigned char *cp;
char *outfname;
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--) {
if ((fin = fopen((origfname = *argv++), "r")) == NULL) {
perror(*--argv);
return(-1);
} else {
#ifdef OVERWRITE
int fd;
int fd_backup;
#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__)
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__)
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
return (0);
}
#endif
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"},
#ifdef UTF8_OUTPUT_ENABLE
{"utf8", "w"},
{"utf16", "w16"},
#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
{"no-cp932", ""},
{"cp932inv", ""},
#endif
#ifdef EXEC_IO
{"exec-in", ""},
{"exec-out", ""},
#endif
{"prefix=", ""},
};
static int option_mode;
void
options(cp)
unsigned char *cp;
{
int i;
unsigned char *p;
if (option_mode==1)
return;
if (*cp++ != '-')
return;
while (*cp) {
switch (*cp++) {
case '-': /* literal options */
if (!*cp) { /* ignore the rest of arguments */
option_mode = 1;
return;
}
for (i=0;i<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
#ifdef SHIFTJIS_CP932
if (strcmp(long_option[i].name, "no-cp932") == 0){
cp932_f = FALSE;
continue;
}
if (strcmp(long_option[i].name, "cp932inv") == 0){
cp932inv_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
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') {
w_oconv16_begin_f=2; cp++;
w_oconv16_LE = 1;
if (cp[0] == '0'){
w_oconv16_begin_f=1; cp++;
}
} else if (cp[0] == 'B') {
w_oconv16_begin_f=2; cp++;
if (cp[0] == '0'){
w_oconv16_begin_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 = UTF16_INPUT;
} else
input_f = UTF8_INPUT;
continue;
#endif
/* Input code assumption */
case 'J': /* JIS input */
case 'E': /* AT&T EUC input */
input_f = JIS_INPUT;
continue;
case 'S': /* MS Kanji input */
input_f = SJIS_INPUT;
if (x0201_f==NO_X0201) x0201_f=TRUE;
continue;
case 'Z': /* Convert X0208 alphabet to asii */
/* bit:0 Convert X0208
bit:1 Convert Kankaku to one space
bit:2 Convert Kankaku to two spaces
bit:3 Convert HTML Entity
*/
if ('9'>= *cp && *cp>='0')
alpha_f |= 1<<(*cp++ -'0');
else
alpha_f |= TRUE;
continue;
case 'x': /* Convert X0201 kana to X0208 or X0201 Conversion */
x0201_f = FALSE; /* No X0201->X0208 conversion */
/* accept X0201
ESC-(-I in JIS, EUC, MS Kanji
SI/SO in JIS, EUC, MS Kanji
SSO in EUC, JIS, not in MS Kanji
MS Kanji (0xa0-0xdf)
output X0201
ESC-(-I in JIS (0x20-0x5f)
SSO in EUC (0xa0-0xdf)
0xa0-0xd in MS Kanji (0xa0-0xdf)
*/
continue;
case 'X': /* Assume X0201 kana */
/* Default value is NO_X0201 for EUC/MS-Kanji mix */
x0201_f = TRUE;
continue;
case 'F': /* prserve new lines */
fold_preserve_f = TRUE;
case 'f': /* folding -f60 or -f */
fold_f = TRUE;
fold_len = 0;
while('0'<= *cp && *cp <='9') { /* we don't use atoi here */
fold_len *= 10;
fold_len += *cp++ - '0';
}
if (!(0<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 */
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_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 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 CHECK_OPTION
static int (*iconv_for_check)() = 0;
#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 */
}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;
#ifdef SHIFTJIS_CP932
case 2:
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;
}
}
status_disable(ptr);
break;
#endif /* SHIFTJIS_CP932 */
}
}
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);
}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 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;
}
}
}
}
#ifdef PERL_XS
#define STD_GC_BUFSIZE (256)
int std_gc_buf[STD_GC_BUFSIZE];
int std_gc_ndx;
#endif
int
std_getc(f)
FILE *f;
{
#ifdef PERL_XS
if (std_gc_ndx){
return std_gc_buf[--std_gc_ndx];
}
#endif
return getc(f);
}
int
std_ungetc(c,f)
int c;
FILE *f;
{
#ifdef PERL_XS
if (std_gc_ndx == STD_GC_BUFSIZE){
return EOF;
}
std_gc_buf[std_gc_ndx++] = c;
return c;
#endif
return ungetc(c,f);
}
void
std_putc(c)
int c;
{
if(c!=EOF)
putchar(c);
}
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 == UTF16_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;
module_connection();
c2 = 0;
input_mode = ASCII;
output_mode = ASCII;
shift_mode = FALSE;
#define NEXT continue /* no output, get next */
#define SEND ; /* output c1 and c2, get next */
#define LAST break /* end of loop, go closing */
while ((c1 = (*i_getc)(f)) != EOF) {
code_status(c1);
if (c2) {
/* second byte */
if (c2 > DEL) {
/* in case of 8th bit is on */
if (!estab_f) {
/* in case of not established yet */
/* It is still ambiguious */
if (h_conv(f, c2, c1)==EOF)
LAST;
else
c2 = 0;
NEXT;
} else
/* in case of already established */
if (c1 < AT) {
/* ignore bogus code */
c2 = 0;
NEXT;
} else
SEND;
} else
/* second byte, 7 bit code */
/* it might be kanji shitfted */
if ((c1 == DEL) || (c1 <= SPACE)) {
/* ignore bogus first code */
c2 = 0;
NEXT;
} else
SEND;
} else {
/* first byte */
if (
#ifdef UTF8_INPUT_ENABLE
iconv == w_iconv16
#else
0
#endif
) {
c2 = c1;
c1 = (*i_getc)(f);
SEND;
#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 */
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;
} 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
SEND;
}
/* send: */
if (input_mode == X0208)
(*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */
else if (input_mode)
(*oconv)(input_mode, c1); /* other special case */
else if ((*iconv)(c2, c1, 0) < 0){ /* can be EUC/SJIS */
int c0 = (*i_getc)(f);
if (c0 != EOF){
code_status(c0);
(*iconv)(c2, c1, c0);
}
}
c2 = 0;
continue;
/* goto next_word */
}
/* epilogue */
(*iconv)(EOF, 0, 0);
return 1;
}
int
h_conv(f, c2, c1)
FILE *f;
int c1,
c2;
{
int wc,c3;
/** it must NOT be in the kanji shifte sequence */
/** it must NOT be written in JIS7 */
/** and it must be after 2 byte 8bit code */
hold_count = 0;
push_hold_buf(c2);
push_hold_buf(c1);
c2 = 0;
while ((c1 = (*i_getc)(f)) != EOF) {
if (c1 == ESC){
(*i_ungetc)(c1,f);
break;
}
code_status(c1);
if (push_hold_buf(c1) == EOF || estab_f){
break;
}
}
if (!estab_f){
struct input_code *p = input_code_list;
struct input_code *result = p;
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;
{
#ifdef SHIFTJIS_CP932
if (cp932_f && CP932_TABLE_BEGIN <= c2 && c2 <= CP932_TABLE_END){
extern unsigned short shiftjis_cp932[3][189];
c1 = shiftjis_cp932[c2 - CP932_TABLE_BEGIN][c1 - 0x40];
if (c1 == 0) return 1;
c2 = c1 >> 8;
c1 &= 0xff;
}
#endif /* SHIFTJIS_CP932 */
c2 = c2 + c2 - ((c2 <= 0x9f) ? SJ0162 : SJ6394);
if (c1 < 0x9f)
c1 = c1 - ((c1 > DEL) ? SPACE : 0x1f);
else {
c1 = c1 - 0x7e;
c2++;
}
if (p2) *p2 = c2;
if (p1) *p1 = c1;
return 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;
} 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) << 6;
}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
}
return ret;
}
int
w_iconv16(c2, c1, c0)
int c2, c1,c0;
{
int ret;
if (c2==0376 && c1==0377){
utf16_mode = UTF16_INPUT;
return 0;
} else if (c2==0377 && c1==0376){
utf16_mode = UTF16BE_INPUT;
return 0;
}
if (c2 != EOF && utf16_mode == UTF16BE_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 (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[];
unsigned short *p;
if (c2 == X0201) {
p = euc_to_utf8_1byte;
} else {
c2 &= 0x7f;
c2 = (c2&0x7f) - 0x21;
if (0<=c2 && c2<sizeof_euc_to_utf8_2bytes)
p = 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;
#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);
}
}
#endif
if (c2 == EOF) {
(*o_putc)(EOF);
return;
} else if (c2 == 0) {
output_mode = ASCII;
(*o_putc)(c1);
} else if (c2 == ISO8859_1) {
output_mode = ISO8859_1;
(*o_putc)(c1 | 0x080);
} else {
output_mode = UTF8;
w16w_conv((unsigned short)e2w_conv(c2, c1), &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 (w_oconv16_begin_f==2) {
if (w_oconv16_LE){
(*o_putc)((unsigned char)'\377');
(*o_putc)('\376');
}else{
(*o_putc)('\376');
(*o_putc)((unsigned char)'\377');
}
w_oconv16_begin_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 = (unsigned short)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);
}
#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);
} 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);
}
}
void
e2s_conv(c2, c1, p2, p1)
int c2, c1, *p2, *p1;
{
if (p2) *p2 = ((c2 - 1) >> 1) + ((c2 <= 0x5e) ? 0x71 : 0xb1);
if (p1) *p1 = c1 + ((c2 & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e);
}
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);
} 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);
} 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)('$');
(*o_putc)(kanji_intro);
}
if (c1<0x20 || 0x7e<c1)
return;
if (c2<0x20 || 0x7e<c2)
return;
(*o_putc)(c2);
(*o_putc)(c1);
}
}
void
base64_conv(c2, c1)
int c2,
c1;
{
if (base64_count>50 && !mimeout_mode && c2==0 && c1==SPACE) {
(*o_putc)(NL);
} else if (base64_count>66 && mimeout_mode) {
(*o_base64conv)(EOF,0);
(*o_putc)(NL);
(*o_putc)('\t'); base64_count += 7;
}
(*o_base64conv)(c2,c1);
}
static int broken_buf[3];
static int broken_counter = 0;
static int broken_last = 0;
int
broken_getc(f)
FILE *f;
{
int c,c1;
if (broken_counter>0) {
return broken_buf[--broken_counter];
}
c= (*i_bgetc)(f);
if (c=='$' && 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 = "&gt;"; break;
case '<': entity = "&lt;"; break;
case '\"': entity = "&quot;"; break;
case '&': entity = "&amp;"; 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?",
#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,
#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,
#endif
ASCII,
0
};
int mime_encode_method[] = {
'B', 'B','Q', 'B', 'B', 'Q',
#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
'B',
#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'))
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];
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;
}
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);
}
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;
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;
while((c1=(*i_getc)(f))!=EOF && c1==SPACE
/* && (c1==NL||c1==TAB||c1=='\r') */ ) ;
return c1;
}
if (c1=='='&&c2<' ') { /* this is soft wrap */
while((c1 = (*i_mgetc)(f)) <=' ') {
if ((c1 = (*i_mgetc)(f)) == EOF) return (EOF);
}
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;
while((c1=(*i_getc)(f))!=EOF && c1==SPACE
/* && (c1==NL||c1==TAB||c1=='\r') */ ) ;
return c1;
}
mime_c3_retry:
if ((c3 = (*i_mgetc)(f))<=' ') {
if (c3==EOF)
return (EOF);
if (mime_f != STRICT_MIME) goto mime_c3_retry;
if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
return c3;
}
mime_c4_retry:
if ((c4 = (*i_mgetc)(f))<=' ') {
if (c4==EOF)
return (EOF);
if (mime_f != STRICT_MIME) goto mime_c4_retry;
if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
return c4;
}
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;
void
open_mime(mode)
int mode;
{
unsigned char *p;
int i;
p = mime_pattern[0];
for(i=0;mime_encode[i];i++) {
if (mode == mime_encode[i]) {
p = mime_pattern[i];
break;
}
}
mimeout_mode = mime_encode_method[i];
/* (*o_mputc)(' '); */
while(*p) {
(*o_mputc)(*p++);
base64_count ++;
}
}
void
close_mime()
{
(*o_mputc)('?');
(*o_mputc)('=');
(*o_mputc)(' ');
base64_count += 3;
mimeout_mode = 0;
}
#define itoh4(c) (c>=10?c+'A'-10:c+'0')
void
mime_putc(c)
int c;
{
if (mimeout_f==FIXED_MIME) {
if (base64_count>71) {
(*o_mputc)('\n');
base64_count=0;
}
} else if (c==NL) {
base64_count=0;
}
if (c!=EOF) {
if ( c<=DEL &&(output_mode==ASCII ||output_mode == ISO8859_1 )
&& mimeout_f!=FIXED_MIME) {
if (mimeout_mode=='Q') {
if (c<=SPACE) {
close_mime();
}
(*o_mputc)(c);
return;
}
if (mimeout_mode!='B' || c!=SPACE) {
if (mimeout_mode) {
mime_putc(EOF);
mimeout_mode=0;
}
(*o_mputc)(c);
base64_count ++;
return;
}
} else if (!mimeout_mode && mimeout_f!=FIXED_MIME) {
open_mime(output_mode);
}
} else { /* c==EOF */
switch(mimeout_mode) {
case 'Q':
case 'B':
break;
case 2:
(*o_mputc)(basis_64[((b64c & 0x3)<< 4)]);
(*o_mputc)('=');
(*o_mputc)('=');
base64_count += 3;
break;
case 1:
(*o_mputc)(basis_64[((b64c & 0xF) << 2)]);
(*o_mputc)('=');
base64_count += 2;
break;
}
if (mimeout_mode) {
if (mimeout_f!=FIXED_MIME) {
close_mime();
} else if (mimeout_mode != 'Q')
mimeout_mode = 'B';
}
return;
}
switch(mimeout_mode) {
case 'Q':
if(c>=DEL) {
(*o_mputc)('=');
(*o_mputc)(itoh4(((c>>4)&0xf)));
(*o_mputc)(itoh4((c&0xf)));
} else {
(*o_mputc)(c);
}
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;
}
}
#ifdef PERL_XS
void
reinit()
{
unbuf_f = FALSE;
estab_f = FALSE;
nop_f = FALSE;
binmode_f = TRUE;
rot_f = FALSE;
hira_f = FALSE;
input_f = FALSE;
alpha_f = FALSE;
mime_f = STRICT_MIME;
mimebuf_f = FALSE;
broken_f = FALSE;
iso8859_f = FALSE;
#if defined(MSDOS) || defined(__OS2__)
x0201_f = TRUE;
#else
x0201_f = NO_X0201;
#endif
iso2022jp_f = FALSE;
kanji_intro = DEFAULT_J;
ascii_intro = DEFAULT_R;
output_conv = DEFAULT_CONV;
oconv = DEFAULT_CONV;
i_mgetc = std_getc;
i_mungetc = std_ungetc;
i_mgetc_buf = std_getc;
i_mungetc_buf = std_ungetc;
i_getc= std_getc;
i_ungetc=std_ungetc;
i_bgetc= std_getc;
i_bungetc= std_ungetc;
o_putc = std_putc;
o_mputc = std_putc;
o_crconv = no_connection;
o_rot_conv = no_connection;
o_iso2022jp_check_conv = no_connection;
o_hira_conv = no_connection;
o_fconv = no_connection;
o_zconv = no_connection;
i_getc = std_getc;
i_ungetc = std_ungetc;
i_mgetc = std_getc;
i_mungetc = std_ungetc;
output_mode = ASCII;
input_mode = ASCII;
shift_mode = FALSE;
mime_decode_mode = FALSE;
file_out = FALSE;
mimeout_mode = 0;
mimeout_f = FALSE;
base64_count = 0;
option_mode = 0;
crmode_f = 0;
{
struct input_code *p = input_code_list;
while (p->name){
status_reinit(p++);
}
}
#ifdef UTF8_OUTPUT_ENABLE
if (w_oconv16_begin_f) {
w_oconv16_begin_f = 2;
}
#endif
f_line = 0;
f_prev = 0;
fold_preserve_f = FALSE;
fold_f = FALSE;
fold_len = 0;
fold_margin = FOLD_MARGIN;
broken_counter = 0;
broken_last = 0;
z_prev2=0,z_prev1=0;
{
int i;
for (i = 0; i < 256; i++){
prefix_table[i] = 0;
}
}
input_codename = "";
is_inputcode_mixed = FALSE;
is_inputcode_set = FALSE;
}
#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);
}
#ifndef PERL_XS
void
usage()
{
fprintf(stderr,"USAGE: nkf(nkf32,wnkf,nkf2) -[flags] [in file] .. [out file for -O flag]\n");
fprintf(stderr,"Flags:\n");
fprintf(stderr,"b,u Output is 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
fprintf(stderr,"J,S,E,W Input assumption is JIS 7 bit , Shift JIS, AT&T JIS (EUC), UTF-8\n");
fprintf(stderr,"t no conversion\n");
fprintf(stderr,"i_/o_ Output sequence to designate JIS-kanji/ASCII (DEFAULT B)\n");
fprintf(stderr,"r {de/en}crypt ROT13/47\n");
fprintf(stderr,"h 1 hirakana->katakana, 2 katakana->hirakana,3 both\n");
fprintf(stderr,"v Show this usage. V: show version\n");
fprintf(stderr,"m[BQN0] MIME decode [B:base64,Q:quoted,N:non-strict,0:no decode]\n");
fprintf(stderr,"M[BQ] MIME encode [B:base64 Q:quoted]\n");
fprintf(stderr,"l ISO8859-1 (Latin-1) support\n");
fprintf(stderr,"f/F Folding: -f60 or -f or -f60-10 (fold margin 10) F preserve nl\n");
fprintf(stderr,"Z[0-3] Convert X0208 alphabet to ASCII 1: Kankaku to space,2: 2 spaces,\n");
fprintf(stderr," 3: Convert HTML Entity\n");
fprintf(stderr,"X,x Assume X0201 kana in MS-Kanji, -x preserves X0201\n");
fprintf(stderr,"B[0-2] Broken input 0: missing ESC,1: any X on ESC-[($]-X,2: ASCII on NL\n");
#ifdef MSDOS
fprintf(stderr,"T Text mode output\n");
#endif
fprintf(stderr,"O Output to File (DEFAULT 'nkf.out')\n");
fprintf(stderr,"d,c Delete \\r in line feed and \\032, Add \\r in line feed\n");
fprintf(stderr,"I Convert non ISO-2022-JP charactor to GETA\n");
fprintf(stderr,"-L[uwm] line mode u:LF w:CRLF m:CR (DEFAULT noconversion)\n");
fprintf(stderr,"long name options\n");
fprintf(stderr," --fj,--unix,--mac,--windows convert for the system\n");
fprintf(stderr," --jis,--euc,--sjis,--utf8,--utf16,--mime,--base64 convert for the code\n");
#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
,Version,Patchlevel);
fprintf(stderr,"\n%s\n",CopyRight);
}
#endif
/**
** $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 */
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