From 26f5cdfb3271434e96d4b4e04bbe0e9880ba14bc Mon Sep 17 00:00:00 2001 From: matz Date: Tue, 13 Apr 1999 01:33:04 +0000 Subject: remove orig git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_3@422 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/nkf/orig/nkf.c | 1897 ---------------------------------------------------- 1 file changed, 1897 deletions(-) delete mode 100644 ext/nkf/orig/nkf.c diff --git a/ext/nkf/orig/nkf.c b/ext/nkf/orig/nkf.c deleted file mode 100644 index 5a350ae666..0000000000 --- a/ext/nkf/orig/nkf.c +++ /dev/null @@ -1,1897 +0,0 @@ -/** Network Kanji Filter. (PDS Version) -************************************************************************ -** Copyright (C) 1987, Fujitsu LTD. (Itaru ICHIKAWA) -** 連絡先： （株）富士通研究所　ソフト３研　市川　至 -** （E-Mail Address: ichikawa@flab.fujitsu.co.jp） -** Copyright (C) 1996,1998 -** 連絡先： 琉球大学情報工学科 河野 真治 mine/X0208 support -** （E-Mail Address: kono@ie.u-ryukyu.ac.jp） -** 連絡先： COW for DOS & Win16 & Win32 & OS/2 -** （E-Mail Address: GHG00637@niftyserve.or.p） -** このソースのいかなる複写，改変，修正も許諾します。ただし、 -** その際には、誰が貢献したを示すこの部分を残すこと。 -** 再配布や雑誌の付録などの問い合わせも必要ありません。 -** このプログラムについては特に何の保証もしない、悪しからず。 -** Everyone is permitted to do anything on this program -** including copying, modifying, improving. -** as long as you don't try to pretend that you wrote it. -** i.e., the above copyright notice has to appear in all copies. -** You don't have to ask before copying or publishing. -** THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE. -***********************************************************************/ - -static char *CopyRight = - "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),1998 S. Kono, COW"; -static char *Version = - "1.7"; -static char *Patchlevel = - "0/9711/Shinji Kono"; - -/* -** -** -** -** USAGE: nkf [flags] [file] -** -** Flags: -** b Output is bufferred (DEFAULT) -** u Output is unbufferred -** -** t no operation -** -** j Outout code is JIS 7 bit (DEFAULT SELECT) -** s Output code is MS Kanji (DEFAULT SELECT) -** e Output code is AT&T JIS (DEFAULT SELECT) -** l Output code is JIS 7bit and ISO8859-1 Latin-1 -** -** m MIME conversion for ISO-2022-JP -** i_ Output sequence to designate JIS-kanji (DEFAULT_J) -** o_ Output sequence to designate single-byte roman characters (DEFAULT_R) -** -** 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 -** d Delete \r in line feed -** c Add \r in line feed -**/ -/******************************/ -/* デフォルトの出力コード選択 */ -/* Select DEFAULT_CODE */ -#define DEFAULT_CODE_JIS -/* #define DEFAULT_CODE_SJIS */ -/* #define DEFAULT_CODE_EUC */ -/******************************/ - -#if (defined(__TURBOC__) || defined(LSI_C)) && !defined(MSDOS) -#define MSDOS -#endif - -#ifndef PERL_XS -#include -#endif - -#if defined(MSDOS) || defined(__OS2__) -#include -#include -#include -#endif - -#ifdef MSDOS -#ifdef LSI_C -#define setbinmode(fp) fsetbin(fp) -#else /* Microsoft C, Turbo C */ -#define setbinmode(fp) setmode(fileno(fp), O_BINARY) -#endif -#else /* UNIX,OS/2 */ -#define setbinmode(fp) -#endif - -#ifdef _IOFBF /* SysV and MSDOS */ -#define setvbuffer(fp, buf, size) setvbuf(fp, buf, _IOFBF, size) -#else /* BSD */ -#define setvbuffer(fp, buf, size) setbuffer(fp, buf, size) -#endif - -/*Borland C++ 4.5 EasyWin*/ -#if defined(__TURBOC__) && defined(_Windows) && !defined(__WIN32__) /*Easy Win */ -#define EASYWIN -#include -#endif - -#define FALSE 0 -#define TRUE 1 - -/* state of output_mode and input_mode */ - -#define ASCII 0 -#define X0208 1 -#define X0201 2 -#define NO_X0201 3 -#define JIS_INPUT 4 -#define SJIS_INPUT 5 -#define LATIN1_INPUT 6 -#define FIXED_MIME 7 -#define DOUBLE_SPACE -2 - -#define NL 0x0a -#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 HOLD_SIZE 32 -#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 */ - - -/* MIME preprocessor */ - -#undef STRICT_MIME /* do stupid strict mime integrity check */ -#define GETC(p) ((!mime_mode)?getc(p):mime_getc(p)) -#define UNGETC(c,p) ((!mime_mode)?ungetc(c,p):mime_ungetc(c)) - - -#ifdef EASYWIN /*Easy Win */ -extern POINT _BufferSize; -#endif - -/* function prototype */ - -#ifndef _ -# ifdef __STDC__ -# define _(args) args -# else -# define _(args) () -# endif -#endif - -#ifndef PERL_XS -static void noconvert _((FILE *f)); -static int mime_integrity _((FILE *f,unsigned char *p)); -static int usage _((void)); -static char stdibuf[IOBUF_SIZE]; -static char stdobuf[IOBUF_SIZE]; -static unsigned int mime_input = 0; /* undecoded */ -static int end_check; -#endif - -static void kanji_convert _((FILE *f)); -static void h_conv _((FILE *f,int c2,int c1)); -static int push_hold_buf _((int c2,int c1)); -static void s_iconv _((int c2,int c1)); -static void e_oconv _((int c2,int c1)); -static void s_oconv _((int c2,int c1)); -static void j_oconv _((int c2,int c1)); -static int line_fold _((int c2,int c1)); -static int pre_convert _((int c1,int c2)); -static int mime_begin _((FILE *f)); -static int mime_getc _((FILE *f)); -static int mime_ungetc _((unsigned int c)); -static int base64decode _((int c)); -static void arguments _((char *c)); -static void reinit _((void)); - -/* buffers */ - -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 */ - -/* 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 input_f = FALSE; /* non fixed input code */ -static int alpha_f = FALSE; /* convert JIx0208 alphbet to ASCII */ -static int mime_f = TRUE; /* 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 */ -#if defined(MSDOS) || defined(__OS2__) -static int x0201_f = TRUE; /* Assume JISX0201 kana */ -#else -static int x0201_f = NO_X0201; /* Assume NO JISX0201 */ -#endif - -/* X0208 -> ASCII converter */ - -static int c1_return; - -/* fold parameter */ -static int line = 0; /* chars in line */ -static int prev = 0; -static int fold_f = FALSE; -static int fold_len = 0; - -/* options */ -static char kanji_intro = DEFAULT_J, - ascii_intro = DEFAULT_R; - -/* Folding */ - -int line_fold(); -#define FOLD_MARGIN 10 -#define DEFAULT_FOLD 60 - -/* 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 - -static void (*iconv) _((int c2,int c1)); - /* s_iconv or oconv */ -static void (*oconv) _((int c2,int c1)) = DEFAULT_CONV; - /* [ejs]_oconv */ - -/* 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_mode = FALSE; /* MIME mode B base64, Q hex */ - -/* X0201 / X0208 conversion tables */ - -/* X0201 kana conversion table */ -/* 90-9F A0-DF */ -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 */ -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, -0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, -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 */ -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 */ -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 -} ; - - -static int file_out = FALSE; -static int add_cr = FALSE; -static int del_cr = FALSE; - -#ifndef PERL_XS -int -main(argc, argv) - int argc; - char **argv; -{ - FILE *fin; - char *cp; - -#ifdef EASYWIN /*Easy Win */ - _BufferSize.y = 400;/*Set Scroll Buffer Size*/ -#endif - - for (argc--,argv++; (argc > 0) && **argv == '-'; argc--, argv++) { - cp = *argv; - arguments(cp); - } - - if(iso8859_f && (oconv != j_oconv || !x0201_f )) { - fprintf(stderr,"Mixed ISO8859/JISX0201/SJIS/EUC output is not allowed.\n"); - exit(1); - } - - 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); - } else { - while (argc--) { - if((fin = fopen(*argv++, "r")) == NULL) { - perror(*--argv); - return(-1); - } else { -/* reopen file for stdout */ - if(file_out == TRUE){ - if(argc == 1 ) { - if(freopen(*argv++, "w", stdout) == NULL) { - perror(*--argv); - return (-1); - } - argc--; - } else { - if(freopen("nkf.out", "w", stdout) == NULL) { - perror(*--argv); - 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 - kanji_convert(fin); - fclose(fin); - } - } - } -#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 void -arguments(cp) - char *cp; -{ - while (*cp) { - switch (*cp++) { - 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': - oconv = j_oconv; - continue; - case 'e': /* AT&T EUC output */ - oconv = e_oconv; - continue; - case 's': /* SJIS output */ - oconv = 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 'r': - rot_f = TRUE; - continue; -#if defined(MSDOS) || defined(__OS2__) - case 'T': - binmode_f = FALSE; - continue; -#endif -#ifndef PERL_XS - case 'v': - usage(); - exit(1); - break; -#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 - */ - 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': /* folding -f60 or -f */ - fold_f = TRUE; - fold_len = atoi(cp); - if(!(0= *cp && *cp>='0') - broken_f |= 1<<(*cp++ -'0'); - else - broken_f |= TRUE; - continue; -#ifndef PERL_XS - case 'O':/* for Output file */ - file_out = TRUE; - continue; -#endif - case 'c':/* add cr code */ - add_cr = TRUE; - continue; - case 'd':/* delete cr code */ - del_cr = TRUE; - continue; - default: - /* bogus option but ignored */ - continue; - } - } -} - -#ifndef PERL_XS -static void -noconvert(f) - FILE *f; -{ - int c; - - while ((c = getc(f)) != EOF) - putchar(c); -} -#endif - - -static void -kanji_convert(f) - FILE *f; -{ - int c1, c2; - - c2 = 0; - - if(input_f == JIS_INPUT || input_f == LATIN1_INPUT) { - estab_f = TRUE; iconv = oconv; - } else if(input_f == SJIS_INPUT) { - estab_f = TRUE; iconv = s_iconv; - } else { - estab_f = FALSE; iconv = oconv; - } - 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 = GETC(f)) != EOF) { - if(c2) { - /* second byte */ - if(c2 > DEL) { - /* in case of 8th bit is on */ - if(!estab_f) { - /* in case of not established yet */ - if(c1 > SSP) { - /* It is still ambiguious */ - h_conv(f, c2, c1); - c2 = 0; - NEXT; - } else if(c1 < AT) { - /* ignore bogus code */ - c2 = 0; - NEXT; - } else { - /* established */ - /* it seems to be MS Kanji */ - estab_f = TRUE; - iconv = s_iconv; - SEND; - } - } else - /* in case of already established */ - if(c1 < AT) { - /* ignore bogus code */ - c2 = 0; - NEXT; - } else - SEND; - } else - /* 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(c1 > DEL) { - /* 8 bit code */ - if(!estab_f && !iso8859_f) { - /* not established yet */ - if(c1 < SSP) { - /* it seems to be MS Kanji */ - estab_f = TRUE; - iconv = s_iconv; - } else if(c1 < 0xe0) { - /* it seems to be EUC */ - estab_f = TRUE; - iconv = oconv; - } else { - /* still ambiguious */ - } - c2 = c1; - NEXT; - } else { /* estab_f==TRUE */ - if(iso8859_f) { - SEND; - } else if(SSP<=c1 && c1<0xe0 && iconv == s_iconv) { - /* SJIS X0201 Case... */ - /* This is too arrogant, but ... */ - if(x0201_f==NO_X0201) { - iconv = oconv; - c2 = c1; - NEXT; - } else - if(x0201_f) { - if(dv[(c1-SSP)*2]||ev[(c1-SSP)*2]) { - /* look ahead for X0201/X0208conversion */ - if((c2 = GETC(f)) == EOF) { - (*oconv)(cv[(c1-SSP)*2],cv[(c1-SSP)*2+1]); - LAST; - } else if(c2==(0xde)) { /* 濁点 */ - (*oconv)(dv[(c1-SSP)*2],dv[(c1-SSP)*2+1]); - c2=0; - NEXT; - } else if(c2==(0xdf)&&ev[(c1-SSP)*2]) { - /* 半濁点 */ - (*oconv)(ev[(c1-SSP)*2],ev[(c1-SSP)*2+1]); - c2=0; - NEXT; - } - UNGETC(c2,f); c2 = 0; - } - (*oconv)(cv[(c1-SSP)*2],cv[(c1-SSP)*2+1]); - NEXT; - } else - SEND; - } else if(c1==SSO && iconv != s_iconv) { - /* EUC X0201 Case */ - /* This is too arrogant - if(x0201_f == NO_X0201) { - estab_f = FALSE; - c2 = 0; - NEXT; - } */ - c1 = GETC(f); /* skip SSO */ - euc_1byte_check: - if(x0201_f && SSP<=c1 && c1<0xe0) { - if(dv[(c1-SSP)*2]||ev[(c1-SSP)*2]) { - if((c2 = GETC(f)) == EOF) { - (*oconv)(cv[(c1-SSP)*2],cv[(c1-SSP)*2+1]); - LAST; - } - /* forward lookup 濁点/半濁点 */ - if(c2 != SSO) { - UNGETC(c2,f); c2 = 0; - (*oconv)(cv[(c1-SSP)*2],cv[(c1-SSP)*2+1]); - NEXT; - } else if((c2 = GETC(f)) == EOF) { - (*oconv)(cv[(c1-SSP)*2],cv[(c1-SSP)*2+1]); - (*oconv)(0,SSO); - LAST; - } else if(c2==(0xde)) { /* 濁点 */ - (*oconv)(dv[(c1-SSP)*2],dv[(c1-SSP)*2+1]); - c2=0; - NEXT; - } else if(c2==(0xdf)&&ev[(c1-SSP)*2]) { - /* 半濁点 */ - (*oconv)(ev[(c1-SSP)*2],ev[(c1-SSP)*2+1]); - c2=0; - NEXT; - } else { - (*oconv)(cv[(c1-SSP)*2],cv[(c1-SSP)*2+1]); - /* we have to check this c2 */ - /* and no way to push back SSO */ - c1 = c2; c2 = 0; - goto euc_1byte_check; - } - } - (*oconv)(cv[(c1-SSP)*2],cv[(c1-SSP)*2+1]); - NEXT; - } else - SEND; - } else if(c1 < SSP && iconv != s_iconv) { - /* strange code in EUC */ - iconv = s_iconv; /* try SJIS */ - c2 = c1; - NEXT; - } else { - /* already established */ - c2 = c1; - NEXT; - } - } - } else if((c1 > SPACE) && (c1 != DEL)) { - /* in case of Roman characters */ - if(shift_mode) { - c1 |= 0x80; - /* output 1 shifted byte */ - if(x0201_f && (!iso8859_f||input_mode==X0201) && - SSP<=c1 && c1<0xe0 ) { - if(dv[(c1-SSP)*2]||ev[(c1-SSP)*2]) { - if((c2 = GETC(f)) == EOF) { - (*oconv)(cv[(c1-SSP)*2],cv[(c1-SSP)*2+1]); - LAST; - } else if(c2==(0xde&0x7f)) { /* 濁点 */ - (*oconv)(dv[(c1-SSP)*2],dv[(c1-SSP)*2+1]); - c2=0; - NEXT; - } else if(c2==(0xdf&0x7f)&&ev[(c1-SSP)*2]) { - /* 半濁点 */ - (*oconv)(ev[(c1-SSP)*2],ev[(c1-SSP)*2+1]); - c2=0; - NEXT; - } - UNGETC(c2,f); c2 = 0; - } - (*oconv)(cv[(c1-SSP)*2],cv[(c1-SSP)*2+1]); - NEXT; - } else - SEND; - } else if(c1 == '(' && broken_f && input_mode == X0208 - && !mime_mode ) { - /* Try to recover missing escape */ - if((c1 = GETC(f)) == EOF) { - (*oconv)(0, '('); - LAST; - } else { - if(c1 == 'B' || c1 == 'J' || c1 == 'H') { - input_mode = ASCII; shift_mode = FALSE; - NEXT; - } else { - (*oconv)(0, '('); - /* do not modify various input_mode */ - /* It can be vt100 sequence */ - SEND; - } - } - } else if(input_mode == X0208) { - /* in case of Kanji shifted */ - c2 = c1; - NEXT; - /* goto next_byte */ - } else if(c1 == '=' && mime_f && !mime_mode ) { - if((c1 = getc(f)) == EOF) { - (*oconv)(0, '='); - LAST; - } else if(c1 == '?') { - /* =? is mime conversiooon start sequence */ - if(mime_begin(f) == EOF) /* check in detail */ - LAST; - else - NEXT; - } else { - (*oconv)(0, '='); - ungetc(c1,f); - NEXT; - } - } else if(c1 == '$' && broken_f && !mime_mode) { - /* try to recover missing escape */ - if((c1 = GETC(f)) == EOF) { - (*oconv)(0, '$'); - LAST; - } else if(c1 == '@'|| c1 == 'B') { - /* in case of Kanji in ESC sequence */ - input_mode = X0208; - shift_mode = FALSE; - NEXT; - } else { - /* sorry */ - (*oconv)(0, '$'); - (*oconv)(0, c1); - NEXT; - } - } else - SEND; - } else if(c1 == SI) { - shift_mode = FALSE; - NEXT; - } else if(c1 == SO) { - shift_mode = TRUE; - NEXT; - } else if(c1 == ESC ) { - if((c1 = GETC(f)) == EOF) { - (*oconv)(0, ESC); - LAST; - } else if(c1 == '$') { - if((c1 = GETC(f)) == EOF) { - (*oconv)(0, ESC); - (*oconv)(0, '$'); - LAST; - } else if(c1 == '@'|| c1 == 'B') { - /* This is kanji introduction */ - input_mode = X0208; - shift_mode = FALSE; - NEXT; - } else if(c1 == '(') { - if((c1 = GETC(f)) == EOF) { - (*oconv)(0, ESC); - (*oconv)(0, '$'); - (*oconv)(0, '('); - LAST; - } else if(c1 == '@'|| c1 == 'B') { - /* This is kanji introduction */ - input_mode = X0208; - shift_mode = FALSE; - NEXT; - } else { - (*oconv)(0, ESC); - (*oconv)(0, '$'); - (*oconv)(0, '('); - (*oconv)(0, c1); - NEXT; - } - } else if(broken_f&0x2) { - input_mode = X0208; - shift_mode = FALSE; - NEXT; - } else { - (*oconv)(0, ESC); - (*oconv)(0, '$'); - (*oconv)(0, c1); - NEXT; - } - } else if(c1 == '(') { - if((c1 = GETC(f)) == EOF) { - (*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 { - /* lonely ESC */ - (*oconv)(0, ESC); - SEND; - } - } else if(c1 == NL && broken_f&4) { - input_mode = ASCII; - SEND; - } else - SEND; - } - /* send: */ - if(input_mode == X0208) - (*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */ - else - (*iconv)(c2, c1); /* can be EUC/SJIS */ - c2 = 0; - continue; - /* goto next_word */ - } - - /* epilogue */ - (*iconv)(EOF, 0); -} - - - - -static void -h_conv(f, c2, c1) - FILE *f; - int c1, c2; -{ - int wc; - - - /** 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, c1); - c2 = 0; - - while ((c1 = GETC(f)) != EOF) { - if(c2) { - /* second byte */ - if(!estab_f) { - /* not established */ - if(c1 > SSP) { - /* it is still ambiguious yet */ - SEND; - } else if(c1 < AT) { - /* ignore bogus first byte */ - c2 = 0; - SEND; - } else { - /* now established */ - /* it seems to be MS Kanji */ - estab_f = TRUE; - iconv = s_iconv; - SEND; - } - } else - SEND; - } else { - /* First byte */ - if(c1 > DEL) { - /* 8th bit is on */ - if(c1 < SSP) { - /* it seems to be MS Kanji */ - estab_f = TRUE; - iconv = s_iconv; - } else if(c1 < 0xe0) { - /* it seems to be EUC */ - estab_f = TRUE; - iconv = oconv; - } else { - /* still ambiguious */ - } - c2 = c1; - NEXT; - } else - /* 7 bit code , then send without any process */ - SEND; - } - /* send: */ - if((push_hold_buf(c2, c1) == EOF) || estab_f) - break; - c2 = 0; - continue; - } - - /** 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. - **/ - - for (wc = 0; wc < hold_count; wc += 2) { - c2 = hold_buf[wc]; - c1 = hold_buf[wc+1]; - (*iconv)(c2, c1); - } - return; -} - - - -static int -push_hold_buf(c2, c1) - int c2, c1; -{ - if(hold_count >= HOLD_SIZE*2) - return (EOF); - hold_buf[hold_count++] = c2; - hold_buf[hold_count++] = c1; - return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count); -} - - -static void -s_iconv(c2, c1) - int c2, - c1; -{ - if((c2 == EOF) || (c2 == 0)) { - /* NOP */ - } else { - c2 = c2 + c2 - ((c2 <= 0x9f) ? SJ0162 : SJ6394); - if(c1 < 0x9f) - c1 = c1 - ((c1 > DEL) ? SPACE : 0x1f); - else { - c1 = c1 - 0x7e; - c2++; - } - } - (*oconv)(c2, c1); -} - - -static void -e_oconv(c2, c1) - int c2, c1; -{ - c2 = pre_convert(c1,c2); c1 = c1_return; - if(fold_f) { - switch(line_fold(c2,c1)) { - case '\n': - if(add_cr == TRUE) { - putchar('\r'); - c1 = '\n'; - } - putchar('\n'); - break; - case 0: return; - case '\r': - c1 = '\n'; c2 = 0; - break; - case '\t': - case ' ': - c1 = ' '; c2 = 0; - break; - } - } - if(c2==DOUBLE_SPACE) { - putchar(' '); putchar(' '); - return; - } - if(c2 == EOF) - return; - else if(c2 == 0 && (c1&0x80)) { - putchar(SSO); putchar(c1); - } else if(c2 == 0) { - if(c1 == '\n' && add_cr == TRUE) - putchar('\r'); - if(c1 != '\r') - putchar(c1); - else if(del_cr == FALSE) - putchar(c1); - } else { - if((c1<0x20 || 0x7e> 1) + ((c2 <= 0x5e) ? 0x71 : 0xb1))); - putchar((c1 + ((c2 & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e))); - } - return; -} - - -static void -j_oconv(c2, c1) - int c2, c1; -{ - c2 = pre_convert(c1,c2); c1 = c1_return; - if(fold_f) { - switch(line_fold(c2,c1)) { - case '\n': - if(output_mode) { - putchar(ESC); - putchar('('); - putchar(ascii_intro); - } - if(add_cr == TRUE) { - putchar('\r'); - c1 = '\n'; - } - putchar('\n'); - output_mode = ASCII; - break; - case '\r': - c1 = '\n'; c2 = 0; - break; - case '\t': - case ' ': - c1 = ' '; c2 = 0; - break; - case 0: return; - } - } - if(c2 == EOF) { - if(output_mode) { - putchar(ESC); - putchar('('); - putchar(ascii_intro); - } - } else if(c2 == 0 && (c1 & 0x80)) { - if(input_mode==X0201 || !iso8859_f) { - if(output_mode!=X0201) { - putchar(ESC); - putchar('('); - putchar('I'); - output_mode = X0201; - } - c1 &= 0x7f; - } else { - /* iso8859 introduction, or 8th bit on */ - /* Can we convert in 7bit form using ESC-'-'-A ? - Is this popular? */ - } - putchar(c1); - } else if(c2 == 0) { - if(output_mode) { - putchar(ESC); - putchar('('); - putchar(ascii_intro); - output_mode = ASCII; - } - if(c1 == '\n' && add_cr == TRUE) - putchar('\r'); - if(c1 != '\r') - putchar(c1); - else if(del_cr == FALSE) - putchar(c1); - } else if(c2 == DOUBLE_SPACE) { - if(output_mode) { - putchar(ESC); - putchar('('); - putchar(ascii_intro); - output_mode = ASCII; - } - putchar(' '); - if(c1 == '\n' && add_cr == TRUE) - putchar('\r'); - if(c1 != '\r') - putchar(c1); - else if(del_cr == FALSE) - putchar(c1); - } else { - if(output_mode != X0208) { - putchar(ESC); - putchar('$'); - putchar(kanji_intro); - output_mode = X0208; - } - if(c1<0x20 || 0x7e0x80 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. -*/ - -static int -line_fold(c2,c1) -int c2,c1; -{ - int prev0; - if(c1=='\r') - return 0; /* ignore cr */ - if(c1== 8) { - if(line>0) line--; - return 1; - } - if(c2==EOF && line != 0) /* close open last line */ - return '\n'; - /* new line */ - if(c1=='\n') { - if(prev == c1) { /* duplicate newline */ - if(line) { - line = 0; - return '\n'; /* output two newline */ - } else { - line = 0; - return 1; - } - } else { - if(prev&0x80) { /* Japanese? */ - prev = c1; - return 0; /* ignore given single newline */ - } else if(prev==' ') { - return 0; - } else { - prev = c1; - if(++line<=fold_len) - return ' '; - else { - line = 0; - return '\r'; /* fold and output nothing */ - } - } - } - } - if(c1=='\f') { - prev = '\n'; - if(line==0) - return 1; - line = 0; - return '\n'; /* output newline and clear */ - } - /* X0208 kankaku or ascii space */ - if( (c2==0&&c1==' ')|| - (c2==0&&c1=='\t')|| - (c2==DOUBLE_SPACE)|| - (c2=='!'&& c1=='!')) { - if(prev == ' ') { - return 0; /* remove duplicate spaces */ - } - prev = ' '; - if(++line<=fold_len) - return ' '; /* output ASCII space only */ - else { - prev = ' '; line = 0; - return '\r'; /* fold and output nothing */ - } - } - prev0 = prev; /* we still need this one... , but almost done */ - prev = c1; - if(c2 || (SSP<=c1 && c1<=0xdf)) - prev |= 0x80; /* this is Japanese */ - line += (c2==0)?1:2; - if(line<=fold_len) { /* normal case */ - return 1; - } - if(line>=fold_len+FOLD_MARGIN) { /* too many kinsou suspension */ - line = (c2==0)?1:2; - return '\n'; /* We can't wait, do fold now */ - } - /* simple kinsoku rules return 1 means no folding */ - if(c2==0) { - if(c1==0xde) return 1; /* ゛*/ - if(c1==0xdf) return 1; /* ゜*/ - if(c1==0xa4) return 1; /* 。*/ - if(c1==0xa3) return 1; /* ，*/ - if(c1==0xa1) return 1; /* 」*/ - if(c1==0xb0) return 1; /* - */ - if(SSP<=c1 && c1<=0xdf) { /* X0201 */ - line = 1; - return '\n';/* add one new line before this character */ - } - /* fold point in ASCII { [ ( */ - if(( c1!=')'&& - c1!=']'&& - c1!='}'&& - c1!='.'&& - c1!=','&& - c1!='!'&& - c1!='?'&& - c1!='/'&& - c1!=':'&& - c1!=';')&& - ((prev0=='\n')|| (prev0==' ')|| /* ignored new line */ - (prev0&0x80)) /* X0208 - ASCII */ - ) { - line = 1; - return '\n';/* add one new line before this character */ - } - return 1; /* default no fold in ASCII */ - } else { - if(c2=='!') { - if(c1=='"') return 1; /* 、 */ - if(c1=='#') return 1; /* 。 */ - if(c1=='$') return 1; /* ， */ - if(c1=='%') return 1; /* ． */ - if(c1=='\'') return 1; /* ＋ */ - if(c1=='(') return 1; /* ； */ - if(c1==')') return 1; /* ？ */ - if(c1=='*') return 1; /* ！ */ - if(c1=='+') return 1; /* ゛ */ - if(c1==',') return 1; /* ゜ */ - } - line = 2; - return '\n'; /* add one new line before this character */ - } -} - -static int -pre_convert(c1,c2) - int c1,c2; -{ - if(c2) c1 &= 0x7f; - c1_return = c1; - if(c2==EOF) return c2; - c2 &= 0x7f; - if(rot_f) { - if(c2) { - c1 = rot47(c1); - c2 = rot47(c2); - } else { - if(!(c1 & 0x80)) - c1 = rot13(c1); - } - c1_return = c1; - } - /* JISX0208 Alphabet */ - if(alpha_f && c2 == 0x23 ) return 0; - /* JISX0208 Kigou */ - if(alpha_f && c2 == 0x21 ) { - if(0x21==c1) { - if(alpha_f&0x2) { - c1_return = ' '; - return 0; - } else if(alpha_f&0x4) { - c1_return = ' '; - return DOUBLE_SPACE; - } else { - return c2; - } - } else if(0x20' ';i++) { /* start at =? */ - if( ((((r[i] = c1 = getc(f))==EOF) || nkf_toupper(c1) != p[i] ) { - /* pattern fails, try next one */ - q = p; - while (p = mime_pattern[++j]) { - for(k=2;k i */ - if(p[k]!=q[k]) break; - if(k==i && nkf_toupper(c1)==p[k]) break; - } - if(p) continue; /* found next one, continue */ - /* all fails, output from recovery buffer */ - ungetc(c1,f); - for(j=0;j> 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) - unsigned int c; -{ - Fifo(mime_last++) = c; - return c; -} - -#ifdef STRICT_MIME -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 fffull - */ - mime_input = mime_top; - mime_last = mime_top; - while(*p) Fifo(mime_input++) = *p++; - d = 0; - q = mime_input; - while((c=getc(f))!=EOF) { - if(((mime_input-mime_top)&MIME_BUF_MASK)==0) break; - if(c=='=' && d=='?') { - /* checked. skip header, start decode */ - Fifo(mime_input++) = c; - mime_input = q; - return 1; - } - if(!( (c=='+'||c=='/'|| c=='=' || c=='?' || - ('a'<=c && c<='z')||('A'<= c && c<='Z')||('0'<=c && c<='9')))) - 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_mode = 1; /* no decode on Fifo last in mime_getc */ - return 1; -} -#endif - -static 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 void -reinit() -{ - unbuf_f = FALSE; - estab_f = FALSE; - nop_f = FALSE; - binmode_f = TRUE; - rot_f = FALSE; - input_f = FALSE; - alpha_f = FALSE; - mime_f = TRUE; - mimebuf_f = FALSE; - broken_f = FALSE; - iso8859_f = FALSE; - x0201_f = TRUE; - x0201_f = NO_X0201; - fold_f = FALSE; - kanji_intro = DEFAULT_J; - ascii_intro = DEFAULT_R; - oconv = DEFAULT_CONV; - output_mode = ASCII; - input_mode = ASCII; - shift_mode = FALSE; - mime_mode = FALSE; - file_out = FALSE; - add_cr = FALSE; - del_cr = FALSE; -} - -#ifndef PERL_XS -int -usage() -{ - fprintf(stderr,"USAGE: nkf(nkf32,wnkf,nkf2) -[flags] [in file] .. [out file for -O flag]\n"); - fprintf(stderr,"Flags:\n"); - fprintf(stderr,"b,u Output is bufferred (DEFAULT),Output is unbufferred\n"); -#ifdef DEFAULT_CODE_SJIS - fprintf(stderr,"j,s,e Outout code is JIS 7 bit, Shift JIS (DEFAULT), AT&T JIS (EUC)\n"); -#endif -#ifdef DEFAULT_CODE_JIS - fprintf(stderr,"j,s,e Outout code is JIS 7 bit (DEFAULT), Shift JIS, AT&T JIS (EUC)\n"); -#endif -#ifdef DEFAULT_CODE_EUC - fprintf(stderr,"j,s,e Outout code is JIS 7 bit, Shift JIS, AT&T JIS (EUC) (DEFAULT)\n"); -#endif - fprintf(stderr,"J,S,E Input assumption is JIS 7 bit , Shift JIS, AT&T JIS (EUC)\n"); - fprintf(stderr,"t no conversion\n"); - fprintf(stderr,"i_ Output sequence to designate JIS-kanji (DEFAULT B)\n"); - fprintf(stderr,"o_ Output sequence to designate ASCII (DEFAULT B)\n"); - fprintf(stderr,"r {de/en}crypt ROT13/47\n"); - fprintf(stderr,"v Show this usage\n"); - fprintf(stderr,"m[BQ0] MIME decode [B:base64,Q:quoted,0:no decode]\n"); - fprintf(stderr,"l ISO8859-1 (Latin-1) support\n"); - fprintf(stderr,"f Folding: -f60 or -f\n"); - fprintf(stderr,"Z[0-2] Convert X0208 alphabet to ASCII 1: Kankaku to space,2: 2 spaces\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, Add \\r in line feed\n"); - fprintf(stderr,"Network Kanji Filter Version %s (%s) " -#if defined(MSDOS) && !defined(_Windows) - "for DOS" -#endif -#if !defined(__WIN32__) && defined(_Windows) - "for Win16" -#endif -#if defined(__WIN32__) && defined(_Windows) - "for Win32" -#endif -#ifdef __OS2__ - "for OS/2" -#endif - ,Version,Patchlevel); - fprintf(stderr,"\n%s\n",CopyRight); - return 0; -} -#endif - -/** - ** パッチ制作者 - ** void@merope.pleiades.or.jp (Kusakabe Youichi) - ** NIDE Naoyuki - ** ohta@src.ricoh.co.jp (Junn Ohta) - ** inouet@strl.nhk.or.jp (Tomoyuki Inoue) - ** kiri@pulser.win.or.jp (Tetsuaki Kiriyama) - ** Kimihiko Sato - ** a_kuroe@kuroe.aoba.yokohama.jp (Akihiko Kuroe) - ** kono@ie.u-ryukyu.ac.jp (Shinji Kono) - ** GHG00637@nifty-serve.or.jp (COW) - ** - ** 最終更新日 - ** 1998.11.7 - **/ - -/* end */ -- cgit v1.2.3