summaryrefslogtreecommitdiff
path: root/ext/nkf/nkf-utf8/nkf.c
diff options
context:
space:
mode:
Diffstat (limited to 'ext/nkf/nkf-utf8/nkf.c')
-rw-r--r--ext/nkf/nkf-utf8/nkf.c4060
1 files changed, 4060 insertions, 0 deletions
diff --git a/ext/nkf/nkf-utf8/nkf.c b/ext/nkf/nkf-utf8/nkf.c
new file mode 100644
index 0000000000..aa7c459b83
--- /dev/null
+++ b/ext/nkf/nkf-utf8/nkf.c
@@ -0,0 +1,4060 @@
+/** 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?",
+ (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'))
+
+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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 01:01:56 +0000