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diff --git a/trunk/ext/nkf/nkf-utf8/nkf.c b/trunk/ext/nkf/nkf-utf8/nkf.c
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+++ b/trunk/ext/nkf/nkf-utf8/nkf.c
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+/** Network Kanji Filter. (PDS Version)
+ ** -*- coding: ISO-2022-JP -*-
+ ************************************************************************
+ ** 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$$!"0-$7$+$i$:!#(B
+ **
+ ** Everyone is permitted to do anything on this program
+ ** including copying, modifying, improving,
+ ** as long as you don't try to pretend that you wrote it.
+ ** i.e., the above copyright notice has to appear in all copies.
+ ** Binary distribution requires original version messages.
+ ** You don't have to ask before copying, redistribution or publishing.
+ ** THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE.
+ ***********************************************************************/
+
+/***********************************************************************
+ * $B8=:_!"(Bnkf $B$O(B SorceForge $B$K$F%a%s%F%J%s%9$,B3$1$i$l$F$$$^$9!#(B
+ * http://sourceforge.jp/projects/nkf/
+ ***********************************************************************/
+#define NKF_IDENT "$Id$"
+#define NKF_VERSION "2.0.8"
+#define NKF_RELEASE_DATE "2008-02-08"
+#define COPY_RIGHT \
+ "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),2000 S. Kono, COW\n" \
+ "Copyright (C) 2002-2008 Kono, Furukawa, Naruse, mastodon"
+
+#include "config.h"
+#include "nkf.h"
+#include "utf8tbl.h"
+
+/* state of output_mode and input_mode
+
+ c2 0 means ASCII
+ JIS_X_0201_1976_K
+ ISO_8859_1
+ JIS_X_0208
+ EOF all termination
+ c1 32bit data
+
+ */
+
+/* MIME ENCODE */
+
+#define FIXED_MIME 7
+#define STRICT_MIME 8
+
+/* byte order */
+enum byte_order {
+ ENDIAN_BIG = 1,
+ ENDIAN_LITTLE = 2,
+ ENDIAN_2143 = 3,
+ ENDIAN_3412 = 4
+};
+
+/* ASCII CODE */
+
+#define BS 0x08
+#define TAB 0x09
+#define LF 0x0a
+#define CR 0x0d
+#define ESC 0x1b
+#define SP 0x20
+#define DEL 0x7f
+#define SI 0x0f
+#define SO 0x0e
+#define SS2 0x8e
+#define SS3 0x8f
+#define CRLF 0x0D0A
+
+
+/* encodings */
+
+enum nkf_encodings {
+ ASCII,
+ ISO_8859_1,
+ ISO_2022_JP,
+ CP50220,
+ CP50221,
+ CP50222,
+ ISO_2022_JP_1,
+ ISO_2022_JP_3,
+ ISO_2022_JP_2004,
+ SHIFT_JIS,
+ WINDOWS_31J,
+ CP10001,
+ EUC_JP,
+ EUCJP_NKF,
+ CP51932,
+ EUCJP_MS,
+ EUCJP_ASCII,
+ SHIFT_JISX0213,
+ SHIFT_JIS_2004,
+ EUC_JISX0213,
+ EUC_JIS_2004,
+ UTF_8,
+ UTF_8N,
+ UTF_8_BOM,
+ UTF8_MAC,
+ UTF_16,
+ UTF_16BE,
+ UTF_16BE_BOM,
+ UTF_16LE,
+ UTF_16LE_BOM,
+ UTF_32,
+ UTF_32BE,
+ UTF_32BE_BOM,
+ UTF_32LE,
+ UTF_32LE_BOM,
+ BINARY,
+ NKF_ENCODING_TABLE_SIZE,
+ JIS_X_0201_1976_K = 0x1013, /* I */ /* JIS C 6220-1969 */
+ /* JIS_X_0201_1976_R = 0x1014, */ /* J */ /* JIS C 6220-1969 */
+ /* JIS_X_0208_1978 = 0x1040, */ /* @ */ /* JIS C 6226-1978 */
+ /* JIS_X_0208_1983 = 0x1087, */ /* B */ /* JIS C 6226-1983 */
+ JIS_X_0208 = 0x1168, /* @B */
+ JIS_X_0212 = 0x1159, /* D */
+ /* JIS_X_0213_2000_1 = 0x1228, */ /* O */
+ JIS_X_0213_2 = 0x1229, /* P */
+ JIS_X_0213_1 = 0x1233, /* Q */
+};
+
+static nkf_char s_iconv(nkf_char c2, nkf_char c1, nkf_char c0);
+static nkf_char e_iconv(nkf_char c2, nkf_char c1, nkf_char c0);
+static nkf_char w_iconv(nkf_char c2, nkf_char c1, nkf_char c0);
+static nkf_char w_iconv16(nkf_char c2, nkf_char c1, nkf_char c0);
+static nkf_char w_iconv32(nkf_char c2, nkf_char c1, nkf_char c0);
+static void j_oconv(nkf_char c2, nkf_char c1);
+static void s_oconv(nkf_char c2, nkf_char c1);
+static void e_oconv(nkf_char c2, nkf_char c1);
+static void w_oconv(nkf_char c2, nkf_char c1);
+static void w_oconv16(nkf_char c2, nkf_char c1);
+static void w_oconv32(nkf_char c2, nkf_char c1);
+
+typedef struct {
+ const char *name;
+ nkf_char (*iconv)(nkf_char c2, nkf_char c1, nkf_char c0);
+ void (*oconv)(nkf_char c2, nkf_char c1);
+} nkf_native_encoding;
+
+nkf_native_encoding NkfEncodingASCII = { "ASCII", e_iconv, e_oconv };
+nkf_native_encoding NkfEncodingISO_2022_JP = { "ISO-2022-JP", e_iconv, j_oconv };
+nkf_native_encoding NkfEncodingShift_JIS = { "Shift_JIS", s_iconv, s_oconv };
+nkf_native_encoding NkfEncodingEUC_JP = { "EUC-JP", e_iconv, e_oconv };
+nkf_native_encoding NkfEncodingUTF_8 = { "UTF-8", w_iconv, w_oconv };
+nkf_native_encoding NkfEncodingUTF_16 = { "UTF-16", w_iconv16, w_oconv16 };
+nkf_native_encoding NkfEncodingUTF_32 = { "UTF-32", w_iconv32, w_oconv32 };
+
+typedef struct {
+ const int id;
+ const char *name;
+ const nkf_native_encoding *base_encoding;
+} nkf_encoding;
+
+nkf_encoding nkf_encoding_table[] = {
+ {ASCII, "US-ASCII", &NkfEncodingASCII},
+ {ISO_8859_1, "ISO-8859-1", &NkfEncodingASCII},
+ {ISO_2022_JP, "ISO-2022-JP", &NkfEncodingISO_2022_JP},
+ {CP50220, "CP50220", &NkfEncodingISO_2022_JP},
+ {CP50221, "CP50221", &NkfEncodingISO_2022_JP},
+ {CP50222, "CP50222", &NkfEncodingISO_2022_JP},
+ {ISO_2022_JP_1, "ISO-2022-JP-1", &NkfEncodingISO_2022_JP},
+ {ISO_2022_JP_3, "ISO-2022-JP-3", &NkfEncodingISO_2022_JP},
+ {ISO_2022_JP_2004, "ISO-2022-JP-2004", &NkfEncodingISO_2022_JP},
+ {SHIFT_JIS, "Shift_JIS", &NkfEncodingShift_JIS},
+ {WINDOWS_31J, "Windows-31J", &NkfEncodingShift_JIS},
+ {CP10001, "CP10001", &NkfEncodingShift_JIS},
+ {EUC_JP, "EUC-JP", &NkfEncodingEUC_JP},
+ {EUCJP_NKF, "eucJP-nkf", &NkfEncodingEUC_JP},
+ {CP51932, "CP51932", &NkfEncodingEUC_JP},
+ {EUCJP_MS, "eucJP-MS", &NkfEncodingEUC_JP},
+ {EUCJP_ASCII, "eucJP-ASCII", &NkfEncodingEUC_JP},
+ {SHIFT_JISX0213, "Shift_JISX0213", &NkfEncodingShift_JIS},
+ {SHIFT_JIS_2004, "Shift_JIS-2004", &NkfEncodingShift_JIS},
+ {EUC_JISX0213, "EUC-JISX0213", &NkfEncodingEUC_JP},
+ {EUC_JIS_2004, "EUC-JIS-2004", &NkfEncodingEUC_JP},
+ {UTF_8, "UTF-8", &NkfEncodingUTF_8},
+ {UTF_8N, "UTF-8N", &NkfEncodingUTF_8},
+ {UTF_8_BOM, "UTF-8-BOM", &NkfEncodingUTF_8},
+ {UTF8_MAC, "UTF8-MAC", &NkfEncodingUTF_8},
+ {UTF_16, "UTF-16", &NkfEncodingUTF_16},
+ {UTF_16BE, "UTF-16BE", &NkfEncodingUTF_16},
+ {UTF_16BE_BOM, "UTF-16BE-BOM", &NkfEncodingUTF_16},
+ {UTF_16LE, "UTF-16LE", &NkfEncodingUTF_16},
+ {UTF_16LE_BOM, "UTF-16LE-BOM", &NkfEncodingUTF_16},
+ {UTF_32, "UTF-32", &NkfEncodingUTF_32},
+ {UTF_32BE, "UTF-32BE", &NkfEncodingUTF_32},
+ {UTF_32BE_BOM, "UTF-32BE-BOM", &NkfEncodingUTF_32},
+ {UTF_32LE, "UTF-32LE", &NkfEncodingUTF_32},
+ {UTF_32LE_BOM, "UTF-32LE-BOM", &NkfEncodingUTF_32},
+ {BINARY, "BINARY", &NkfEncodingASCII},
+ {-1, NULL, NULL}
+};
+
+struct {
+ const char *name;
+ const int id;
+} encoding_name_to_id_table[] = {
+ {"US-ASCII", ASCII},
+ {"ASCII", ASCII},
+ {"ISO-2022-JP", ISO_2022_JP},
+ {"ISO2022JP-CP932", CP50220},
+ {"CP50220", CP50220},
+ {"CP50221", CP50221},
+ {"CSISO2022JP", CP50221},
+ {"CP50222", CP50222},
+ {"ISO-2022-JP-1", ISO_2022_JP_1},
+ {"ISO-2022-JP-3", ISO_2022_JP_3},
+ {"ISO-2022-JP-2004", ISO_2022_JP_2004},
+ {"SHIFT_JIS", SHIFT_JIS},
+ {"SJIS", SHIFT_JIS},
+ {"WINDOWS-31J", WINDOWS_31J},
+ {"CSWINDOWS31J", WINDOWS_31J},
+ {"CP932", WINDOWS_31J},
+ {"MS932", WINDOWS_31J},
+ {"CP10001", CP10001},
+ {"EUCJP", EUC_JP},
+ {"EUC-JP", EUC_JP},
+ {"EUCJP-NKF", EUCJP_NKF},
+ {"CP51932", CP51932},
+ {"EUC-JP-MS", EUCJP_MS},
+ {"EUCJP-MS", EUCJP_MS},
+ {"EUCJPMS", EUCJP_MS},
+ {"EUC-JP-ASCII", EUCJP_ASCII},
+ {"EUCJP-ASCII", EUCJP_ASCII},
+ {"SHIFT_JISX0213", SHIFT_JISX0213},
+ {"SHIFT_JIS-2004", SHIFT_JIS_2004},
+ {"EUC-JISX0213", EUC_JISX0213},
+ {"EUC-JIS-2004", EUC_JIS_2004},
+ {"UTF-8", UTF_8},
+ {"UTF-8N", UTF_8N},
+ {"UTF-8-BOM", UTF_8_BOM},
+ {"UTF8-MAC", UTF8_MAC},
+ {"UTF-8-MAC", UTF8_MAC},
+ {"UTF-16", UTF_16},
+ {"UTF-16BE", UTF_16BE},
+ {"UTF-16BE-BOM", UTF_16BE_BOM},
+ {"UTF-16LE", UTF_16LE},
+ {"UTF-16LE-BOM", UTF_16LE_BOM},
+ {"UTF-32", UTF_32},
+ {"UTF-32BE", UTF_32BE},
+ {"UTF-32BE-BOM", UTF_32BE_BOM},
+ {"UTF-32LE", UTF_32LE},
+ {"UTF-32LE-BOM", UTF_32LE_BOM},
+ {"BINARY", BINARY},
+ {NULL, -1}
+};
+
+#if defined(DEFAULT_CODE_JIS)
+#define DEFAULT_ENCIDX ISO_2022_JP
+#elif defined(DEFAULT_CODE_SJIS)
+#define DEFAULT_ENCIDX SHIFT_JIS
+#elif defined(DEFAULT_CODE_EUC)
+#define DEFAULT_ENCIDX EUC_JP
+#elif defined(DEFAULT_CODE_UTF8)
+#define DEFAULT_ENCIDX UTF_8
+#endif
+
+
+#define is_alnum(c) \
+ (('a'<=c && c<='z')||('A'<= c && c<='Z')||('0'<=c && c<='9'))
+
+/* I don't trust portablity of toupper */
+#define nkf_toupper(c) (('a'<=c && c<='z')?(c-('a'-'A')):c)
+#define nkf_isoctal(c) ('0'<=c && c<='7')
+#define nkf_isdigit(c) ('0'<=c && c<='9')
+#define nkf_isxdigit(c) (nkf_isdigit(c) || ('a'<=c && c<='f') || ('A'<=c && c <= 'F'))
+#define nkf_isblank(c) (c == SP || c == TAB)
+#define nkf_isspace(c) (nkf_isblank(c) || c == CR || c == LF)
+#define nkf_isalpha(c) (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'))
+#define nkf_isalnum(c) (nkf_isdigit(c) || nkf_isalpha(c))
+#define nkf_isprint(c) (SP<=c && c<='~')
+#define nkf_isgraph(c) ('!'<=c && c<='~')
+#define hex2bin(c) (('0'<=c&&c<='9') ? (c-'0') : \
+ ('A'<=c&&c<='F') ? (c-'A'+10) : \
+ ('a'<=c&&c<='f') ? (c-'a'+10) : 0)
+#define bin2hex(c) ("0123456789ABCDEF"[c&15])
+#define is_eucg3(c2) (((unsigned short)c2 >> 8) == SS3)
+#define nkf_noescape_mime(c) ((c == CR) || (c == LF) || \
+ ((c > SP) && (c < DEL) && (c != '?') && (c != '=') && (c != '_') \
+ && (c != '(') && (c != ')') && (c != '.') && (c != 0x22)))
+
+#define is_ibmext_in_sjis(c2) (CP932_TABLE_BEGIN <= c2 && c2 <= CP932_TABLE_END)
+#define nkf_byte_jisx0201_katakana_p(c) (SP <= c && c < (0xE0&0x7F))
+
+#define HOLD_SIZE 1024
+#if defined(INT_IS_SHORT)
+#define IOBUF_SIZE 2048
+#else
+#define IOBUF_SIZE 16384
+#endif
+
+#define DEFAULT_J 'B'
+#define DEFAULT_R 'B'
+
+
+#define GETA1 0x22
+#define GETA2 0x2e
+
+
+/* MIME preprocessor */
+
+#ifdef EASYWIN /*Easy Win */
+extern POINT _BufferSize;
+#endif
+
+struct input_code{
+ const char *name;
+ nkf_char stat;
+ nkf_char score;
+ nkf_char index;
+ nkf_char buf[3];
+ void (*status_func)(struct input_code *, nkf_char);
+ nkf_char (*iconv_func)(nkf_char c2, nkf_char c1, nkf_char c0);
+ int _file_stat;
+};
+
+static const char *input_codename = NULL; /* NULL: unestablished, "": BINARY */
+static nkf_encoding *input_encoding = NULL;
+static nkf_encoding *output_encoding = NULL;
+
+static int kanji_convert(FILE *f);
+#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
+/* UCS Mapping
+ * 0: Shift_JIS, eucJP-ascii
+ * 1: eucJP-ms
+ * 2: CP932, CP51932
+ * 3: CP10001
+ */
+#define UCS_MAP_ASCII 0
+#define UCS_MAP_MS 1
+#define UCS_MAP_CP932 2
+#define UCS_MAP_CP10001 3
+static int ms_ucs_map_f = UCS_MAP_ASCII;
+#endif
+#ifdef UTF8_INPUT_ENABLE
+/* no NEC special, NEC-selected IBM extended and IBM extended characters */
+static int no_cp932ext_f = FALSE;
+/* ignore ZERO WIDTH NO-BREAK SPACE */
+static int no_best_fit_chars_f = FALSE;
+static int input_endian = ENDIAN_BIG;
+static nkf_char unicode_subchar = '?'; /* the regular substitution character */
+static void (*encode_fallback)(nkf_char c) = NULL;
+static void w_status(struct input_code *, nkf_char);
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+static int output_bom_f = FALSE;
+static int output_endian = ENDIAN_BIG;
+#endif
+
+static void std_putc(nkf_char c);
+static nkf_char std_getc(FILE *f);
+static nkf_char std_ungetc(nkf_char c,FILE *f);
+
+static nkf_char broken_getc(FILE *f);
+static nkf_char broken_ungetc(nkf_char c,FILE *f);
+
+static nkf_char mime_getc(FILE *f);
+
+static void mime_putc(nkf_char c);
+
+/* buffers */
+
+#if !defined(PERL_XS) && !defined(WIN32DLL)
+static unsigned char stdibuf[IOBUF_SIZE];
+static unsigned char stdobuf[IOBUF_SIZE];
+#endif
+
+/* 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 alpha_f = FALSE; /* convert JIx0208 alphbet to ASCII */
+static int mime_f = MIME_DECODE_DEFAULT; /* convert MIME B base64 or Q */
+static int mime_decode_f = FALSE; /* mime decode is explicitly on */
+static int mimebuf_f = FALSE; /* MIME buffered input */
+static int broken_f = FALSE; /* convert ESC-less broken JIS */
+static int iso8859_f = FALSE; /* ISO8859 through */
+static int mimeout_f = FALSE; /* base64 mode */
+static int x0201_f = X0201_DEFAULT; /* convert JIS X 0201 */
+static int iso2022jp_f = FALSE; /* replace non ISO-2022-JP with GETA */
+
+#ifdef UNICODE_NORMALIZATION
+static int nfc_f = FALSE;
+static nkf_char (*i_nfc_getc)(FILE *) = std_getc; /* input of ugetc */
+static nkf_char (*i_nfc_ungetc)(nkf_char c ,FILE *f) = std_ungetc;
+#endif
+
+#ifdef INPUT_OPTION
+static int cap_f = FALSE;
+static nkf_char (*i_cgetc)(FILE *) = std_getc; /* input of cgetc */
+static nkf_char (*i_cungetc)(nkf_char c ,FILE *f) = std_ungetc;
+
+static int url_f = FALSE;
+static nkf_char (*i_ugetc)(FILE *) = std_getc; /* input of ugetc */
+static nkf_char (*i_uungetc)(nkf_char c ,FILE *f) = std_ungetc;
+#endif
+
+#define PREFIX_EUCG3 NKF_INT32_C(0x8F00)
+#define CLASS_MASK NKF_INT32_C(0xFF000000)
+#define CLASS_UNICODE NKF_INT32_C(0x01000000)
+#define VALUE_MASK NKF_INT32_C(0x00FFFFFF)
+#define UNICODE_BMP_MAX NKF_INT32_C(0x0000FFFF)
+#define UNICODE_MAX NKF_INT32_C(0x0010FFFF)
+#define nkf_char_euc3_new(c) ((c) | PREFIX_EUCG3)
+#define nkf_char_unicode_new(c) ((c) | CLASS_UNICODE)
+#define nkf_char_unicode_p(c) ((c & CLASS_MASK) == CLASS_UNICODE)
+#define nkf_char_unicode_bmp_p(c) ((c & VALUE_MASK) <= NKF_INT32_C(UNICODE_BMP_MAX))
+#define nkf_char_unicode_value_p(c) ((c & VALUE_MASK) <= NKF_INT32_C(UNICODE_MAX))
+
+#ifdef NUMCHAR_OPTION
+static int numchar_f = FALSE;
+static nkf_char (*i_ngetc)(FILE *) = std_getc; /* input of ugetc */
+static nkf_char (*i_nungetc)(nkf_char c ,FILE *f) = std_ungetc;
+#endif
+
+#ifdef CHECK_OPTION
+static int noout_f = FALSE;
+static void no_putc(nkf_char c);
+static int debug_f = FALSE;
+static void debug(const char *str);
+static nkf_char (*iconv_for_check)(nkf_char c2,nkf_char c1,nkf_char c0) = 0;
+#endif
+
+static int guess_f = 0; /* 0: OFF, 1: ON, 2: VERBOSE */
+static void set_input_codename(const char *codename);
+
+#ifdef EXEC_IO
+static int exec_f = 0;
+#endif
+
+#ifdef SHIFTJIS_CP932
+/* invert IBM extended characters to others */
+static int cp51932_f = FALSE;
+
+/* invert NEC-selected IBM extended characters to IBM extended characters */
+static int cp932inv_f = TRUE;
+
+/* static nkf_char cp932_conv(nkf_char c2, nkf_char c1); */
+#endif /* SHIFTJIS_CP932 */
+
+static int x0212_f = FALSE;
+static int x0213_f = FALSE;
+
+static unsigned char prefix_table[256];
+
+static void e_status(struct input_code *, nkf_char);
+static void s_status(struct input_code *, nkf_char);
+
+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},
+#ifdef UTF8_INPUT_ENABLE
+ {"UTF-8", 0, 0, 0, {0, 0, 0}, w_status, w_iconv, 0},
+#endif
+ {0}
+};
+
+static int mimeout_mode = 0; /* 0, -1, 'Q', 'B', 1, 2 */
+static int base64_count = 0;
+
+/* X0208 -> ASCII converter */
+
+/* fold parameter */
+static int f_line = 0; /* chars in line */
+static int f_prev = 0;
+static int fold_preserve_f = FALSE; /* preserve new lines */
+static int fold_f = FALSE;
+static int fold_len = 0;
+
+/* options */
+static unsigned char kanji_intro = DEFAULT_J;
+static unsigned char ascii_intro = DEFAULT_R;
+
+/* Folding */
+
+#define FOLD_MARGIN 10
+#define DEFAULT_FOLD 60
+
+static int fold_margin = FOLD_MARGIN;
+
+/* process default */
+
+static nkf_char
+no_connection2(nkf_char c2, nkf_char c1, nkf_char c0)
+{
+ fprintf(stderr,"nkf internal module connection failure.\n");
+ exit(1);
+ return 0; /* LINT */
+}
+
+static void
+no_connection(nkf_char c2, nkf_char c1)
+{
+ no_connection2(c2,c1,0);
+}
+
+static nkf_char (*iconv)(nkf_char c2,nkf_char c1,nkf_char c0) = no_connection2;
+static void (*oconv)(nkf_char c2,nkf_char c1) = no_connection;
+
+static void (*o_zconv)(nkf_char c2,nkf_char c1) = no_connection;
+static void (*o_fconv)(nkf_char c2,nkf_char c1) = no_connection;
+static void (*o_eol_conv)(nkf_char c2,nkf_char c1) = no_connection;
+static void (*o_rot_conv)(nkf_char c2,nkf_char c1) = no_connection;
+static void (*o_hira_conv)(nkf_char c2,nkf_char c1) = no_connection;
+static void (*o_base64conv)(nkf_char c2,nkf_char c1) = no_connection;
+static void (*o_iso2022jp_check_conv)(nkf_char c2,nkf_char c1) = no_connection;
+
+/* static redirections */
+
+static void (*o_putc)(nkf_char c) = std_putc;
+
+static nkf_char (*i_getc)(FILE *f) = std_getc; /* general input */
+static nkf_char (*i_ungetc)(nkf_char c,FILE *f) =std_ungetc;
+
+static nkf_char (*i_bgetc)(FILE *) = std_getc; /* input of mgetc */
+static nkf_char (*i_bungetc)(nkf_char c ,FILE *f) = std_ungetc;
+
+static void (*o_mputc)(nkf_char c) = std_putc ; /* output of mputc */
+
+static nkf_char (*i_mgetc)(FILE *) = std_getc; /* input of mgetc */
+static nkf_char (*i_mungetc)(nkf_char c ,FILE *f) = std_ungetc;
+
+/* for strict mime */
+static nkf_char (*i_mgetc_buf)(FILE *) = std_getc; /* input of mgetc_buf */
+static nkf_char (*i_mungetc_buf)(nkf_char c,FILE *f) = std_ungetc;
+
+/* Global states */
+static int output_mode = ASCII; /* output kanji mode */
+static int input_mode = ASCII; /* input kanji mode */
+static int mime_decode_mode = FALSE; /* MIME mode B base64, Q hex */
+
+/* X0201 / X0208 conversion tables */
+
+/* X0201 kana conversion table */
+/* 90-9F A0-DF */
+static const unsigned char cv[]= {
+ 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 const unsigned char dv[]= {
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 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 const unsigned char ev[]= {
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ 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 const 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 option_mode = 0;
+static int file_out_f = FALSE;
+#ifdef OVERWRITE
+static int overwrite_f = FALSE;
+static int preserve_time_f = FALSE;
+static int backup_f = FALSE;
+static char *backup_suffix = "";
+#endif
+
+static int eolmode_f = 0; /* CR, LF, CRLF */
+static int input_eol = 0; /* 0: unestablished, EOF: MIXED */
+static nkf_char prev_cr = 0; /* CR or 0 */
+#ifdef EASYWIN /*Easy Win */
+static int end_check;
+#endif /*Easy Win */
+
+#define STD_GC_BUFSIZE (256)
+nkf_char std_gc_buf[STD_GC_BUFSIZE];
+nkf_char std_gc_ndx;
+
+static int
+nkf_str_caseeql(const char *src, const char *target)
+{
+ int i;
+ for (i = 0; src[i] && target[i]; i++) {
+ if (nkf_toupper(src[i]) != nkf_toupper(target[i])) return FALSE;
+ }
+ if (src[i] || target[i]) return FALSE;
+ else return TRUE;
+}
+
+static nkf_encoding*
+nkf_enc_from_index(int idx)
+{
+ if (idx < 0 || NKF_ENCODING_TABLE_SIZE <= idx) {
+ return 0;
+ }
+ return &nkf_encoding_table[idx];
+}
+
+static int
+nkf_enc_find_index(const char *name)
+{
+ int i;
+ if (name[0] == 'X' && *(name+1) == '-') name += 2;
+ for (i = 0; encoding_name_to_id_table[i].id >= 0; i++) {
+ if (nkf_str_caseeql(encoding_name_to_id_table[i].name, name)) {
+ return encoding_name_to_id_table[i].id;
+ }
+ }
+ return -1;
+}
+
+static nkf_encoding*
+nkf_enc_find(const char *name)
+{
+ int idx = -1;
+ idx = nkf_enc_find_index(name);
+ if (idx < 0) return 0;
+ return nkf_enc_from_index(idx);
+}
+
+#define nkf_enc_name(enc) (enc)->name
+#define nkf_enc_to_index(enc) (enc)->id
+#define nkf_enc_to_base_encoding(enc) (enc)->base_encoding
+#define nkf_enc_to_iconv(enc) nkf_enc_to_base_encoding(enc)->iconv
+#define nkf_enc_to_oconv(enc) nkf_enc_to_base_encoding(enc)->oconv
+#define nkf_enc_asciicompat(enc) (\
+ nkf_enc_to_base_encoding(enc) == &NkfEncodingASCII ||\
+ nkf_enc_to_base_encoding(enc) == &NkfEncodingISO_2022_JP)
+#define nkf_enc_unicode_p(enc) (\
+ nkf_enc_to_base_encoding(enc) == &NkfEncodingUTF_8 ||\
+ nkf_enc_to_base_encoding(enc) == &NkfEncodingUTF_16 ||\
+ nkf_enc_to_base_encoding(enc) == &NkfEncodingUTF_32)
+#define nkf_enc_cp5022x_p(enc) (\
+ nkf_enc_to_index(enc) == CP50220 ||\
+ nkf_enc_to_index(enc) == CP50221 ||\
+ nkf_enc_to_index(enc) == CP50222)
+
+#ifdef DEFAULT_CODE_LOCALE
+static char*
+nkf_locale_charmap()
+{
+#ifdef HAVE_LANGINFO_H
+ return nl_langinfo(CODESET);
+#elif defined(__WIN32__)
+ return sprintf("CP%d", GetACP());
+#else
+ return NULL;
+#endif
+}
+
+static nkf_encoding*
+nkf_locale_encoding()
+{
+ nkf_encoding *enc = 0;
+ char *encname = nkf_locale_charmap();
+ if (encname)
+ enc = nkf_enc_find(encname);
+ if (enc < 0) enc = 0;
+ return enc;
+}
+#endif /* DEFAULT_CODE_LOCALE */
+
+static nkf_encoding*
+nkf_default_encoding()
+{
+ nkf_encoding *enc = 0;
+#ifdef DEFAULT_CODE_LOCALE
+ enc = nkf_locale_encoding();
+#elif DEFAULT_ENCIDX
+ enc = nkf_enc_from_index(DEFAULT_ENCIDX);
+#endif
+ return enc;
+}
+
+#ifndef PERL_XS
+#ifdef WIN32DLL
+#define fprintf dllprintf
+#endif
+
+static void
+version(void)
+{
+ fprintf(HELP_OUTPUT,"Network Kanji Filter Version " NKF_VERSION " (" NKF_RELEASE_DATE ") \n" COPY_RIGHT "\n");
+}
+
+static void
+usage(void)
+{
+ fprintf(HELP_OUTPUT,
+ "USAGE: nkf(nkf32,wnkf,nkf2) -[flags] [in file] .. [out file for -O flag]\n"
+ "Flags:\n"
+ "b,u Output is buffered (DEFAULT),Output is unbuffered\n"
+ "j,s,e,w Output code is ISO-2022-JP, Shift JIS, EUC-JP, UTF-8N\n"
+#ifdef UTF8_OUTPUT_ENABLE
+ " After 'w' you can add more options. -w[ 8 [0], 16 [[BL] [0]] ]\n"
+#endif
+ "J,S,E,W Input assumption is JIS 7 bit , Shift JIS, EUC-JP, UTF-8\n"
+#ifdef UTF8_INPUT_ENABLE
+ " After 'W' you can add more options. -W[ 8, 16 [BL] ] \n"
+#endif
+ "t no conversion\n"
+ "i[@B] Specify the Esc Seq for JIS X 0208-1978/83 (DEFAULT B)\n"
+ "o[BJH] Specify the Esc Seq for ASCII/Roman (DEFAULT B)\n"
+ "r {de/en}crypt ROT13/47\n"
+ "h 1 katakana->hiragana, 2 hiragana->katakana, 3 both\n"
+ "m[BQSN0] MIME decode [B:base64,Q:quoted,S:strict,N:non-strict,0:no decode]\n"
+ "M[BQ] MIME encode [B:base64 Q:quoted]\n"
+ "l ISO8859-1 (Latin-1) support\n"
+ "f/F Folding: -f60 or -f or -f60-10 (fold margin 10) F preserve nl\n"
+ "Z[0-4] Default/0: Convert JISX0208 Alphabet to ASCII\n"
+ " 1: Kankaku to one space 2: to two spaces 3: HTML Entity\n"
+ " 4: JISX0208 Katakana to JISX0201 Katakana\n"
+ "X,x Assume X0201 kana in MS-Kanji, -x preserves X0201\n"
+ "B[0-2] Broken input 0: missing ESC,1: any X on ESC-[($]-X,2: ASCII on NL\n"
+#ifdef MSDOS
+ "T Text mode output\n"
+#endif
+ "O Output to File (DEFAULT 'nkf.out')\n"
+ "I Convert non ISO-2022-JP charactor to GETA\n"
+ "d,c Convert line breaks -d: LF -c: CRLF\n"
+ "-L[uwm] line mode u:LF w:CRLF m:CR (DEFAULT noconversion)\n"
+ "v, V Show this usage. V: show configuration\n"
+ "\n"
+ "Long name options\n"
+ " --ic=<input codeset> --oc=<output codeset>\n"
+ " Specify the input or output codeset\n"
+ " --fj --unix --mac --windows\n"
+ " --jis --euc --sjis --utf8 --utf16 --mime --base64\n"
+ " Convert for the system or code\n"
+ " --hiragana --katakana --katakana-hiragana\n"
+ " To Hiragana/Katakana Conversion\n"
+ " --prefix= Insert escape before troublesome characters of Shift_JIS\n"
+#ifdef INPUT_OPTION
+ " --cap-input, --url-input Convert hex after ':' or '%%'\n"
+#endif
+#ifdef NUMCHAR_OPTION
+ " --numchar-input Convert Unicode Character Reference\n"
+#endif
+#ifdef UTF8_INPUT_ENABLE
+ " --fb-{skip, html, xml, perl, java, subchar}\n"
+ " Specify how nkf handles unassigned characters\n"
+#endif
+#ifdef OVERWRITE
+ " --in-place[=SUFFIX] --overwrite[=SUFFIX]\n"
+ " Overwrite original listed files by filtered result\n"
+ " --overwrite preserves timestamp of original files\n"
+#endif
+ " -g --guess Guess the input code\n"
+ " --help --version Show this help/the version\n"
+ " For more information, see also man nkf\n"
+ "\n");
+ version();
+}
+
+static void
+show_configuration(void)
+{
+ fprintf(HELP_OUTPUT,
+ "Summary of my nkf " NKF_VERSION " (" NKF_RELEASE_DATE ") configuration:\n"
+ " nkf identity:\n"
+ " " NKF_IDENT "\n"
+ " Compile-time options:\n"
+ " Compiled at: " __DATE__ " " __TIME__ "\n"
+ );
+ fprintf(HELP_OUTPUT,
+ " Default output encoding: "
+#ifdef DEFAULT_CODE_LOCALE
+ "LOCALE (%s)\n", nkf_enc_name(nkf_default_encoding())
+#elif DEFAULT_ENCIDX
+ "CONFIG (%s)\n", nkf_enc_name(nkf_default_encoding())
+#else
+ "NONE\n"
+#endif
+ );
+ fprintf(HELP_OUTPUT,
+ " Default output end of line: "
+#if DEFAULT_NEWLINE == CR
+ "CR"
+#elif DEFAULT_NEWLINE == CRLF
+ "CRLF"
+#else
+ "LF"
+#endif
+ "\n"
+ " Decode MIME encoded string: "
+#if MIME_DECODE_DEFAULT
+ "ON"
+#else
+ "OFF"
+#endif
+ "\n"
+ " Convert JIS X 0201 Katakana: "
+#if X0201_DEFAULT
+ "ON"
+#else
+ "OFF"
+#endif
+ "\n"
+ " --help, --version output: "
+#if HELP_OUTPUT_HELP_OUTPUT
+ "HELP_OUTPUT"
+#else
+ "STDOUT"
+#endif
+ "\n");
+}
+#endif /*PERL_XS*/
+
+#ifdef OVERWRITE
+static char*
+get_backup_filename(const char *suffix, const char *filename)
+{
+ char *backup_filename;
+ int asterisk_count = 0;
+ int i, j;
+ int filename_length = strlen(filename);
+
+ for(i = 0; suffix[i]; i++){
+ if(suffix[i] == '*') asterisk_count++;
+ }
+
+ if(asterisk_count){
+ backup_filename = malloc(strlen(suffix) + (asterisk_count * (filename_length - 1)) + 1);
+ if (!backup_filename){
+ perror("Can't malloc backup filename.");
+ return NULL;
+ }
+
+ for(i = 0, j = 0; suffix[i];){
+ if(suffix[i] == '*'){
+ backup_filename[j] = '\0';
+ strncat(backup_filename, filename, filename_length);
+ i++;
+ j += filename_length;
+ }else{
+ backup_filename[j++] = suffix[i++];
+ }
+ }
+ backup_filename[j] = '\0';
+ }else{
+ backup_filename = malloc(filename_length + strlen(suffix) + 1);
+ strcpy(backup_filename, filename);
+ strcat(backup_filename, suffix);
+ backup_filename[j] = '\0';
+ }
+ return backup_filename;
+}
+#endif
+
+#ifdef UTF8_INPUT_ENABLE
+static void
+nkf_each_char_to_hex(void (*f)(nkf_char c2,nkf_char c1), nkf_char c)
+{
+ int shift = 20;
+ c &= VALUE_MASK;
+ while(shift >= 0){
+ if(c >= 1<<shift){
+ while(shift >= 0){
+ (*f)(0, bin2hex(c>>shift));
+ shift -= 4;
+ }
+ }else{
+ shift -= 4;
+ }
+ }
+ return;
+}
+
+static void
+encode_fallback_html(nkf_char c)
+{
+ (*oconv)(0, '&');
+ (*oconv)(0, '#');
+ c &= VALUE_MASK;
+ if(c >= NKF_INT32_C(1000000))
+ (*oconv)(0, 0x30+(c/NKF_INT32_C(1000000))%10);
+ if(c >= NKF_INT32_C(100000))
+ (*oconv)(0, 0x30+(c/NKF_INT32_C(100000) )%10);
+ if(c >= 10000)
+ (*oconv)(0, 0x30+(c/10000 )%10);
+ if(c >= 1000)
+ (*oconv)(0, 0x30+(c/1000 )%10);
+ if(c >= 100)
+ (*oconv)(0, 0x30+(c/100 )%10);
+ if(c >= 10)
+ (*oconv)(0, 0x30+(c/10 )%10);
+ if(c >= 0)
+ (*oconv)(0, 0x30+ c %10);
+ (*oconv)(0, ';');
+ return;
+}
+
+static void
+encode_fallback_xml(nkf_char c)
+{
+ (*oconv)(0, '&');
+ (*oconv)(0, '#');
+ (*oconv)(0, 'x');
+ nkf_each_char_to_hex(oconv, c);
+ (*oconv)(0, ';');
+ return;
+}
+
+static void
+encode_fallback_java(nkf_char c)
+{
+ (*oconv)(0, '\\');
+ c &= VALUE_MASK;
+ if(!nkf_char_unicode_bmp_p(c)){
+ (*oconv)(0, 'U');
+ (*oconv)(0, '0');
+ (*oconv)(0, '0');
+ (*oconv)(0, bin2hex(c>>20));
+ (*oconv)(0, bin2hex(c>>16));
+ }else{
+ (*oconv)(0, 'u');
+ }
+ (*oconv)(0, bin2hex(c>>12));
+ (*oconv)(0, bin2hex(c>> 8));
+ (*oconv)(0, bin2hex(c>> 4));
+ (*oconv)(0, bin2hex(c ));
+ return;
+}
+
+static void
+encode_fallback_perl(nkf_char c)
+{
+ (*oconv)(0, '\\');
+ (*oconv)(0, 'x');
+ (*oconv)(0, '{');
+ nkf_each_char_to_hex(oconv, c);
+ (*oconv)(0, '}');
+ return;
+}
+
+static void
+encode_fallback_subchar(nkf_char c)
+{
+ c = unicode_subchar;
+ (*oconv)((c>>8)&0xFF, c&0xFF);
+ return;
+}
+#endif
+
+static const struct {
+ const char *name;
+ const char *alias;
+} long_option[] = {
+ {"ic=", ""},
+ {"oc=", ""},
+ {"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=", ""},
+ {"guess", "g2"},
+ {"cp932", ""},
+ {"no-cp932", ""},
+#ifdef X0212_ENABLE
+ {"x0212", ""},
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ {"utf8", "w"},
+ {"utf16", "w16"},
+ {"ms-ucs-map", ""},
+ {"fb-skip", ""},
+ {"fb-html", ""},
+ {"fb-xml", ""},
+ {"fb-perl", ""},
+ {"fb-java", ""},
+ {"fb-subchar", ""},
+ {"fb-subchar=", ""},
+#endif
+#ifdef UTF8_INPUT_ENABLE
+ {"utf8-input", "W"},
+ {"utf16-input", "W16"},
+ {"no-cp932ext", ""},
+ {"no-best-fit-chars",""},
+#endif
+#ifdef UNICODE_NORMALIZATION
+ {"utf8mac-input", ""},
+#endif
+#ifdef OVERWRITE
+ {"overwrite", ""},
+ {"overwrite=", ""},
+ {"in-place", ""},
+ {"in-place=", ""},
+#endif
+#ifdef INPUT_OPTION
+ {"cap-input", ""},
+ {"url-input", ""},
+#endif
+#ifdef NUMCHAR_OPTION
+ {"numchar-input", ""},
+#endif
+#ifdef CHECK_OPTION
+ {"no-output", ""},
+ {"debug", ""},
+#endif
+#ifdef SHIFTJIS_CP932
+ {"cp932inv", ""},
+#endif
+#ifdef EXEC_IO
+ {"exec-in", ""},
+ {"exec-out", ""},
+#endif
+ {"prefix=", ""},
+};
+
+static void
+set_input_encoding(nkf_encoding *enc)
+{
+ switch (nkf_enc_to_index(enc)) {
+ case ISO_8859_1:
+ iso8859_f = TRUE;
+ break;
+ case CP50220:
+ case CP50221:
+ case CP50222:
+#ifdef SHIFTJIS_CP932
+ cp51932_f = TRUE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_CP932;
+#endif
+ break;
+ case ISO_2022_JP_1:
+ x0212_f = TRUE;
+ break;
+ case ISO_2022_JP_3:
+ x0212_f = TRUE;
+ x0213_f = TRUE;
+ break;
+ case ISO_2022_JP_2004:
+ x0212_f = TRUE;
+ x0213_f = TRUE;
+ break;
+ case SHIFT_JIS:
+ break;
+ case WINDOWS_31J:
+#ifdef SHIFTJIS_CP932
+ cp51932_f = TRUE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_CP932;
+#endif
+ break;
+ break;
+ case CP10001:
+#ifdef SHIFTJIS_CP932
+ cp51932_f = TRUE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_CP10001;
+#endif
+ break;
+ case EUC_JP:
+ break;
+ case EUCJP_NKF:
+ break;
+ case CP51932:
+#ifdef SHIFTJIS_CP932
+ cp51932_f = TRUE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_CP932;
+#endif
+ break;
+ case EUCJP_MS:
+#ifdef SHIFTJIS_CP932
+ cp51932_f = FALSE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_MS;
+#endif
+ break;
+ case EUCJP_ASCII:
+#ifdef SHIFTJIS_CP932
+ cp51932_f = FALSE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_ASCII;
+#endif
+ break;
+ case SHIFT_JISX0213:
+ case SHIFT_JIS_2004:
+ x0213_f = TRUE;
+#ifdef SHIFTJIS_CP932
+ cp51932_f = FALSE;
+#endif
+ break;
+ case EUC_JISX0213:
+ case EUC_JIS_2004:
+ x0213_f = TRUE;
+#ifdef SHIFTJIS_CP932
+ cp51932_f = FALSE;
+#endif
+ break;
+#ifdef UTF8_INPUT_ENABLE
+#ifdef UNICODE_NORMALIZATION
+ case UTF8_MAC:
+ nfc_f = TRUE;
+ break;
+#endif
+ case UTF_16:
+ case UTF_16BE:
+ case UTF_16BE_BOM:
+ input_endian = ENDIAN_BIG;
+ break;
+ case UTF_16LE:
+ case UTF_16LE_BOM:
+ input_endian = ENDIAN_LITTLE;
+ break;
+ case UTF_32:
+ case UTF_32BE:
+ case UTF_32BE_BOM:
+ input_endian = ENDIAN_BIG;
+ break;
+ case UTF_32LE:
+ case UTF_32LE_BOM:
+ input_endian = ENDIAN_LITTLE;
+ break;
+#endif
+ }
+}
+
+static void
+set_output_encoding(nkf_encoding *enc)
+{
+ switch (nkf_enc_to_index(enc)) {
+ case CP50220:
+ x0201_f = TRUE;
+#ifdef SHIFTJIS_CP932
+ if (cp932inv_f == TRUE) cp932inv_f = FALSE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_CP932;
+#endif
+ break;
+ case CP50221:
+#ifdef SHIFTJIS_CP932
+ if (cp932inv_f == TRUE) cp932inv_f = FALSE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_CP932;
+#endif
+ break;
+ case ISO_2022_JP_1:
+ x0212_f = TRUE;
+#ifdef SHIFTJIS_CP932
+ if (cp932inv_f == TRUE) cp932inv_f = FALSE;
+#endif
+ break;
+ case ISO_2022_JP_3:
+ x0212_f = TRUE;
+ x0213_f = TRUE;
+#ifdef SHIFTJIS_CP932
+ if (cp932inv_f == TRUE) cp932inv_f = FALSE;
+#endif
+ break;
+ case SHIFT_JIS:
+ break;
+ case WINDOWS_31J:
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_CP932;
+#endif
+ break;
+ case CP10001:
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_CP10001;
+#endif
+ break;
+ case EUC_JP:
+ x0212_f = TRUE;
+#ifdef SHIFTJIS_CP932
+ if (cp932inv_f == TRUE) cp932inv_f = FALSE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_ASCII;
+#endif
+ break;
+ case EUCJP_NKF:
+ x0212_f = FALSE;
+#ifdef SHIFTJIS_CP932
+ if (cp932inv_f == TRUE) cp932inv_f = FALSE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_ASCII;
+#endif
+ break;
+ case CP51932:
+#ifdef SHIFTJIS_CP932
+ if (cp932inv_f == TRUE) cp932inv_f = FALSE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_CP932;
+#endif
+ break;
+ case EUCJP_MS:
+ x0212_f = TRUE;
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_MS;
+#endif
+ break;
+ case EUCJP_ASCII:
+ x0212_f = TRUE;
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_ASCII;
+#endif
+ break;
+ case SHIFT_JISX0213:
+ case SHIFT_JIS_2004:
+ x0213_f = TRUE;
+#ifdef SHIFTJIS_CP932
+ if (cp932inv_f == TRUE) cp932inv_f = FALSE;
+#endif
+ break;
+ case EUC_JISX0213:
+ case EUC_JIS_2004:
+ x0212_f = TRUE;
+ x0213_f = TRUE;
+#ifdef SHIFTJIS_CP932
+ if (cp932inv_f == TRUE) cp932inv_f = FALSE;
+#endif
+ break;
+#ifdef UTF8_OUTPUT_ENABLE
+ case UTF_8_BOM:
+ output_bom_f = TRUE;
+ break;
+ case UTF_16:
+ case UTF_16BE_BOM:
+ output_bom_f = TRUE;
+ break;
+ case UTF_16LE:
+ output_endian = ENDIAN_LITTLE;
+ output_bom_f = FALSE;
+ break;
+ case UTF_16LE_BOM:
+ output_endian = ENDIAN_LITTLE;
+ output_bom_f = TRUE;
+ break;
+ case UTF_32BE_BOM:
+ output_bom_f = TRUE;
+ break;
+ case UTF_32LE:
+ output_endian = ENDIAN_LITTLE;
+ output_bom_f = FALSE;
+ break;
+ case UTF_32LE_BOM:
+ output_endian = ENDIAN_LITTLE;
+ output_bom_f = TRUE;
+ break;
+#endif
+ }
+}
+
+static struct input_code*
+find_inputcode_byfunc(nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0))
+{
+ if (iconv_func){
+ struct input_code *p = input_code_list;
+ while (p->name){
+ if (iconv_func == p->iconv_func){
+ return p;
+ }
+ p++;
+ }
+ }
+ return 0;
+}
+
+static void
+set_iconv(nkf_char f, nkf_char (*iconv_func)(nkf_char c2,nkf_char c1,nkf_char c0))
+{
+#ifdef INPUT_CODE_FIX
+ if (f || !input_encoding)
+#endif
+ if (estab_f != f){
+ estab_f = f;
+ }
+
+ if (iconv_func
+#ifdef INPUT_CODE_FIX
+ && (f == -TRUE || !input_encoding) /* -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(p->name);
+ }
+ iconv_for_check = iconv;
+ }
+#endif
+}
+
+#ifdef X0212_ENABLE
+static nkf_char
+x0212_shift(nkf_char c)
+{
+ nkf_char ret = c;
+ c &= 0x7f;
+ if (is_eucg3(ret)){
+ if (0x75 <= c && c <= 0x7f){
+ ret = c + (0x109 - 0x75);
+ }
+ }else{
+ if (0x75 <= c && c <= 0x7f){
+ ret = c + (0x113 - 0x75);
+ }
+ }
+ return ret;
+}
+
+
+static nkf_char
+x0212_unshift(nkf_char c)
+{
+ nkf_char ret = c;
+ if (0x7f <= c && c <= 0x88){
+ ret = c + (0x75 - 0x7f);
+ }else if (0x89 <= c && c <= 0x92){
+ ret = PREFIX_EUCG3 | 0x80 | (c + (0x75 - 0x89));
+ }
+ return ret;
+}
+#endif /* X0212_ENABLE */
+
+static nkf_char
+e2s_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1)
+{
+ nkf_char ndx;
+ if (is_eucg3(c2)){
+ ndx = c2 & 0x7f;
+ if (x0213_f){
+ if((0x21 <= ndx && ndx <= 0x2F)){
+ if (p2) *p2 = ((ndx - 1) >> 1) + 0xec - ndx / 8 * 3;
+ if (p1) *p1 = c1 + ((ndx & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e);
+ return 0;
+ }else if(0x6E <= ndx && ndx <= 0x7E){
+ if (p2) *p2 = ((ndx - 1) >> 1) + 0xbe;
+ if (p1) *p1 = c1 + ((ndx & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e);
+ return 0;
+ }
+ return 1;
+ }
+#ifdef X0212_ENABLE
+ else if(nkf_isgraph(ndx)){
+ nkf_char val = 0;
+ const unsigned short *ptr;
+ ptr = x0212_shiftjis[ndx - 0x21];
+ if (ptr){
+ val = ptr[(c1 & 0x7f) - 0x21];
+ }
+ if (val){
+ c2 = val >> 8;
+ c1 = val & 0xff;
+ if (p2) *p2 = c2;
+ if (p1) *p1 = c1;
+ return 0;
+ }
+ c2 = x0212_shift(c2);
+ }
+#endif /* X0212_ENABLE */
+ }
+ if(0x7F < c2) return 1;
+ if (p2) *p2 = ((c2 - 1) >> 1) + ((c2 <= 0x5e) ? 0x71 : 0xb1);
+ if (p1) *p1 = c1 + ((c2 & 1) ? ((c1 < 0x60) ? 0x1f : 0x20) : 0x7e);
+ return 0;
+}
+
+static nkf_char
+s2e_conv(nkf_char c2, nkf_char c1, nkf_char *p2, nkf_char *p1)
+{
+#if defined(SHIFTJIS_CP932) || defined(X0212_ENABLE)
+ nkf_char val;
+#endif
+ static const char shift_jisx0213_s1a3_table[5][2] ={ { 1, 8}, { 3, 4}, { 5,12}, {13,14}, {15, 0} };
+#ifdef SHIFTJIS_CP932
+ if (!cp932inv_f && is_ibmext_in_sjis(c2)){
+ val = shiftjis_cp932[c2 - CP932_TABLE_BEGIN][c1 - 0x40];
+ if (val){
+ c2 = val >> 8;
+ c1 = val & 0xff;
+ }
+ }
+ if (cp932inv_f
+ && CP932INV_TABLE_BEGIN <= c2 && c2 <= CP932INV_TABLE_END){
+ nkf_char c = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40];
+ if (c){
+ c2 = c >> 8;
+ c1 = c & 0xff;
+ }
+ }
+#endif /* SHIFTJIS_CP932 */
+#ifdef X0212_ENABLE
+ if (!x0213_f && is_ibmext_in_sjis(c2)){
+ val = shiftjis_x0212[c2 - 0xfa][c1 - 0x40];
+ if (val){
+ if (val > 0x7FFF){
+ c2 = PREFIX_EUCG3 | ((val >> 8) & 0x7f);
+ c1 = val & 0xff;
+ }else{
+ c2 = val >> 8;
+ c1 = val & 0xff;
+ }
+ if (p2) *p2 = c2;
+ if (p1) *p1 = c1;
+ return 0;
+ }
+ }
+#endif
+ if(c2 >= 0x80){
+ if(x0213_f && c2 >= 0xF0){
+ if(c2 <= 0xF3 || (c2 == 0xF4 && c1 < 0x9F)){ /* k=1, 3<=k<=5, k=8, 12<=k<=15 */
+ c2 = PREFIX_EUCG3 | 0x20 | shift_jisx0213_s1a3_table[c2 - 0xF0][0x9E < c1];
+ }else{ /* 78<=k<=94 */
+ c2 = PREFIX_EUCG3 | (c2 * 2 - 0x17B);
+ if (0x9E < c1) c2++;
+ }
+ }else{
+#define SJ0162 0x00e1 /* 01 - 62 ku offset */
+#define SJ6394 0x0161 /* 63 - 94 ku offset */
+ c2 = c2 + c2 - ((c2 <= 0x9F) ? SJ0162 : SJ6394);
+ if (0x9E < c1) c2++;
+ }
+ if (c1 < 0x9F)
+ c1 = c1 - ((c1 > DEL) ? SP : 0x1F);
+ else {
+ c1 = c1 - 0x7E;
+ }
+ }
+
+#ifdef X0212_ENABLE
+ c2 = x0212_unshift(c2);
+#endif
+ if (p2) *p2 = c2;
+ if (p1) *p1 = c1;
+ return 0;
+}
+
+#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
+static void
+nkf_unicode_to_utf8(nkf_char val, int *p1, int *p2, int *p3, int *p4)
+{
+ val &= VALUE_MASK;
+ if (val < 0x80){
+ *p1 = val;
+ *p2 = 0;
+ *p3 = 0;
+ *p4 = 0;
+ }else if (val < 0x800){
+ *p1 = 0xc0 | (val >> 6);
+ *p2 = 0x80 | (val & 0x3f);
+ *p3 = 0;
+ *p4 = 0;
+ } else if (nkf_char_unicode_bmp_p(val)) {
+ *p1 = 0xe0 | (val >> 12);
+ *p2 = 0x80 | ((val >> 6) & 0x3f);
+ *p3 = 0x80 | ( val & 0x3f);
+ *p4 = 0;
+ } else if (nkf_char_unicode_value_p(val)) {
+ *p1 = 0xe0 | (val >> 16);
+ *p2 = 0x80 | ((val >> 12) & 0x3f);
+ *p3 = 0x80 | ((val >> 6) & 0x3f);
+ *p4 = 0x80 | ( val & 0x3f);
+ } else {
+ *p1 = 0;
+ *p2 = 0;
+ *p3 = 0;
+ *p4 = 0;
+ }
+}
+
+static nkf_char
+nkf_utf8_to_unicode(int c1, int c2, int c3, int c4)
+{
+ nkf_char wc;
+ if (c1 <= 0x7F) {
+ /* single byte */
+ wc = c1;
+ }
+ else if (c1 <= 0xC3) {
+ /* trail byte or invalid */
+ return -1;
+ }
+ else if (c1 <= 0xDF) {
+ /* 2 bytes */
+ wc = (c1 & 0x1F) << 6;
+ wc |= (c2 & 0x3F);
+ }
+ else if (c1 <= 0xEF) {
+ /* 3 bytes */
+ wc = (c1 & 0x0F) << 12;
+ wc |= (c2 & 0x3F) << 6;
+ wc |= (c3 & 0x3F);
+ }
+ else if (c2 <= 0xF4) {
+ /* 4 bytes */
+ wc = (c1 & 0x0F) << 18;
+ wc |= (c2 & 0x3F) << 12;
+ wc |= (c3 & 0x3F) << 6;
+ wc |= (c4 & 0x3F);
+ }
+ else {
+ return -1;
+ }
+ return wc;
+}
+#endif
+
+#ifdef UTF8_INPUT_ENABLE
+static int
+unicode_to_jis_common2(nkf_char c1, nkf_char c0,
+ const unsigned short *const *pp, nkf_char psize,
+ nkf_char *p2, nkf_char *p1)
+{
+ nkf_char c2;
+ const unsigned short *p;
+ unsigned short val;
+
+ if (pp == 0) return 1;
+
+ c1 -= 0x80;
+ if (c1 < 0 || psize <= c1) return 1;
+ p = pp[c1];
+ if (p == 0) return 1;
+
+ c0 -= 0x80;
+ if (c0 < 0 || sizeof_utf8_to_euc_C2 <= c0) return 1;
+ val = p[c0];
+ if (val == 0) return 1;
+ if (no_cp932ext_f && (
+ (val>>8) == 0x2D || /* NEC special characters */
+ val > NKF_INT32_C(0xF300) /* IBM extended characters */
+ )) return 1;
+
+ c2 = val >> 8;
+ if (val > 0x7FFF){
+ c2 &= 0x7f;
+ c2 |= PREFIX_EUCG3;
+ }
+ if (c2 == SO) c2 = JIS_X_0201_1976_K;
+ c1 = val & 0xFF;
+ if (p2) *p2 = c2;
+ if (p1) *p1 = c1;
+ return 0;
+}
+
+static int
+unicode_to_jis_common(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1)
+{
+ const unsigned short *const *pp;
+ const unsigned short *const *const *ppp;
+ static const char no_best_fit_chars_table_C2[] =
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 2, 1, 1, 2,
+ 0, 0, 1, 1, 0, 1, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1};
+ static const char no_best_fit_chars_table_C2_ms[] =
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0,
+ 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0};
+ static const char no_best_fit_chars_table_932_C2[] =
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1,
+ 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0};
+ static const char no_best_fit_chars_table_932_C3[] =
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1};
+ nkf_char ret = 0;
+
+ if(c2 < 0x80){
+ *p2 = 0;
+ *p1 = c2;
+ }else if(c2 < 0xe0){
+ if(no_best_fit_chars_f){
+ if(ms_ucs_map_f == UCS_MAP_CP932){
+ switch(c2){
+ case 0xC2:
+ if(no_best_fit_chars_table_932_C2[c1&0x3F]) return 1;
+ break;
+ case 0xC3:
+ if(no_best_fit_chars_table_932_C3[c1&0x3F]) return 1;
+ break;
+ }
+ }else if(!cp932inv_f){
+ switch(c2){
+ case 0xC2:
+ if(no_best_fit_chars_table_C2[c1&0x3F]) return 1;
+ break;
+ case 0xC3:
+ if(no_best_fit_chars_table_932_C3[c1&0x3F]) return 1;
+ break;
+ }
+ }else if(ms_ucs_map_f == UCS_MAP_MS){
+ if(c2 == 0xC2 && no_best_fit_chars_table_C2_ms[c1&0x3F]) return 1;
+ }else if(ms_ucs_map_f == UCS_MAP_CP10001){
+ switch(c2){
+ case 0xC2:
+ switch(c1){
+ case 0xA2:
+ case 0xA3:
+ case 0xA5:
+ case 0xA6:
+ case 0xAC:
+ case 0xAF:
+ case 0xB8:
+ return 1;
+ }
+ break;
+ }
+ }
+ }
+ pp =
+ ms_ucs_map_f == UCS_MAP_CP932 ? utf8_to_euc_2bytes_932 :
+ ms_ucs_map_f == UCS_MAP_MS ? utf8_to_euc_2bytes_ms :
+ ms_ucs_map_f == UCS_MAP_CP10001 ? utf8_to_euc_2bytes_mac :
+ utf8_to_euc_2bytes;
+ ret = unicode_to_jis_common2(c2, c1, pp, sizeof_utf8_to_euc_2bytes, p2, p1);
+ }else if(c0 < 0xF0){
+ if(no_best_fit_chars_f){
+ if(ms_ucs_map_f == UCS_MAP_CP932){
+ if(c2 == 0xE3 && c1 == 0x82 && c0 == 0x94) return 1;
+ }else if(ms_ucs_map_f == UCS_MAP_MS){
+ switch(c2){
+ case 0xE2:
+ switch(c1){
+ case 0x80:
+ if(c0 == 0x94 || c0 == 0x96 || c0 == 0xBE) return 1;
+ break;
+ case 0x88:
+ if(c0 == 0x92) return 1;
+ break;
+ }
+ break;
+ case 0xE3:
+ if(c1 == 0x80 || c0 == 0x9C) return 1;
+ break;
+ }
+ }else if(ms_ucs_map_f == UCS_MAP_CP10001){
+ switch(c2){
+ case 0xE3:
+ switch(c1){
+ case 0x82:
+ if(c0 == 0x94) return 1;
+ break;
+ case 0x83:
+ if(c0 == 0xBB) return 1;
+ break;
+ }
+ break;
+ }
+ }else{
+ switch(c2){
+ case 0xE2:
+ switch(c1){
+ case 0x80:
+ if(c0 == 0x95) return 1;
+ break;
+ case 0x88:
+ if(c0 == 0xA5) return 1;
+ break;
+ }
+ break;
+ case 0xEF:
+ switch(c1){
+ case 0xBC:
+ if(c0 == 0x8D) return 1;
+ break;
+ case 0xBD:
+ if(c0 == 0x9E && !cp932inv_f) return 1;
+ break;
+ case 0xBF:
+ if(0xA0 <= c0 && c0 <= 0xA5) return 1;
+ break;
+ }
+ break;
+ }
+ }
+ }
+ ppp =
+ ms_ucs_map_f == UCS_MAP_CP932 ? utf8_to_euc_3bytes_932 :
+ ms_ucs_map_f == UCS_MAP_MS ? utf8_to_euc_3bytes_ms :
+ ms_ucs_map_f == UCS_MAP_CP10001 ? utf8_to_euc_3bytes_mac :
+ utf8_to_euc_3bytes;
+ ret = unicode_to_jis_common2(c1, c0, ppp[c2 - 0xE0], sizeof_utf8_to_euc_C2, p2, p1);
+ }else return -1;
+#ifdef SHIFTJIS_CP932
+ if (!ret && !cp932inv_f && is_eucg3(*p2)) {
+ nkf_char s2, s1;
+ if (e2s_conv(*p2, *p1, &s2, &s1) == 0) {
+ s2e_conv(s2, s1, p2, p1);
+ }else{
+ ret = 1;
+ }
+ }
+#endif
+ return ret;
+}
+
+#ifdef UTF8_OUTPUT_ENABLE
+static nkf_char
+e2w_conv(nkf_char c2, nkf_char c1)
+{
+ const unsigned short *p;
+
+ if (c2 == JIS_X_0201_1976_K) {
+ if (ms_ucs_map_f == UCS_MAP_CP10001) {
+ switch (c1) {
+ case 0x20:
+ return 0xA0;
+ case 0x7D:
+ return 0xA9;
+ }
+ }
+ p = euc_to_utf8_1byte;
+#ifdef X0212_ENABLE
+ } else if (is_eucg3(c2)){
+ if(ms_ucs_map_f == UCS_MAP_ASCII&& c2 == NKF_INT32_C(0x8F22) && c1 == 0x43){
+ return 0xA6;
+ }
+ c2 = (c2&0x7f) - 0x21;
+ if (0<=c2 && c2<sizeof_euc_to_utf8_2bytes)
+ p = x0212_to_utf8_2bytes[c2];
+ else
+ return 0;
+#endif
+ } else {
+ c2 &= 0x7f;
+ c2 = (c2&0x7f) - 0x21;
+ if (0<=c2 && c2<sizeof_euc_to_utf8_2bytes)
+ p =
+ ms_ucs_map_f == UCS_MAP_ASCII ? euc_to_utf8_2bytes[c2] :
+ ms_ucs_map_f == UCS_MAP_CP10001 ? euc_to_utf8_2bytes_mac[c2] :
+ euc_to_utf8_2bytes_ms[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;
+}
+#endif
+
+static nkf_char
+w2e_conv(nkf_char c2, nkf_char c1, nkf_char c0, nkf_char *p2, nkf_char *p1)
+{
+ nkf_char ret = 0;
+
+ if (!c1){
+ *p2 = 0;
+ *p1 = c2;
+ }else if (0xc0 <= c2 && c2 <= 0xef) {
+ ret = unicode_to_jis_common(c2, c1, c0, p2, p1);
+#ifdef NUMCHAR_OPTION
+ if (ret > 0){
+ if (p2) *p2 = 0;
+ if (p1) *p1 = nkf_char_unicode_new(nkf_utf8_to_unicode(c2, c1, c0, 0));
+ ret = 0;
+ }
+#endif
+ }
+ return ret;
+}
+
+#ifdef UTF8_INPUT_ENABLE
+static nkf_char
+w16e_conv(nkf_char val, nkf_char *p2, nkf_char *p1)
+{
+ int c1, c2, c3, c4;
+ nkf_char ret = 0;
+ val &= VALUE_MASK;
+ if (val < 0x80) {
+ *p2 = 0;
+ *p1 = val;
+ }
+ else if (nkf_char_unicode_bmp_p(val)){
+ nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4);
+ ret = unicode_to_jis_common(c1, c2, c3, p2, p1);
+ if (ret > 0){
+ *p2 = 0;
+ *p1 = nkf_char_unicode_new(val);
+ ret = 0;
+ }
+ }
+ else {
+ *p2 = 0;
+ *p1 = nkf_char_unicode_new(val);
+ }
+ return ret;
+}
+#endif
+
+static nkf_char
+e_iconv(nkf_char c2, nkf_char c1, nkf_char c0)
+{
+ if (c2 == JIS_X_0201_1976_K || c2 == SS2){
+ if (iso2022jp_f && !x0201_f) {
+ c2 = GETA1; c1 = GETA2;
+ } else {
+ c2 = JIS_X_0201_1976_K;
+ c1 &= 0x7f;
+ }
+#ifdef X0212_ENABLE
+ }else if (c2 == 0x8f){
+ if (c0 == 0){
+ return -1;
+ }
+ if (!cp51932_f && !x0213_f && 0xF5 <= c1 && c1 <= 0xFE && 0xA1 <= c0 && c0 <= 0xFE) {
+ /* encoding is eucJP-ms, so invert to Unicode Private User Area */
+ c1 = nkf_char_unicode_new((c1 - 0xF5) * 94 + c0 - 0xA1 + 0xE3AC);
+ c2 = 0;
+ } else {
+ c2 = (c2 << 8) | (c1 & 0x7f);
+ c1 = c0 & 0x7f;
+#ifdef SHIFTJIS_CP932
+ if (cp51932_f){
+ nkf_char s2, s1;
+ if (e2s_conv(c2, c1, &s2, &s1) == 0){
+ s2e_conv(s2, s1, &c2, &c1);
+ if (c2 < 0x100){
+ c1 &= 0x7f;
+ c2 &= 0x7f;
+ }
+ }
+ }
+#endif /* SHIFTJIS_CP932 */
+ }
+#endif /* X0212_ENABLE */
+ } else if ((c2 == EOF) || (c2 == 0) || c2 < SP || c2 == ISO_8859_1) {
+ /* NOP */
+ } else {
+ if (!cp51932_f && ms_ucs_map_f && 0xF5 <= c2 && c2 <= 0xFE && 0xA1 <= c1 && c1 <= 0xFE) {
+ /* encoding is eucJP-ms, so invert to Unicode Private User Area */
+ c1 = nkf_char_unicode_new((c2 - 0xF5) * 94 + c1 - 0xA1 + 0xE000);
+ c2 = 0;
+ } else {
+ c1 &= 0x7f;
+ c2 &= 0x7f;
+#ifdef SHIFTJIS_CP932
+ if (cp51932_f && 0x79 <= c2 && c2 <= 0x7c){
+ nkf_char s2, s1;
+ if (e2s_conv(c2, c1, &s2, &s1) == 0){
+ s2e_conv(s2, s1, &c2, &c1);
+ if (c2 < 0x100){
+ c1 &= 0x7f;
+ c2 &= 0x7f;
+ }
+ }
+ }
+#endif /* SHIFTJIS_CP932 */
+ }
+ }
+ (*oconv)(c2, c1);
+ return 0;
+}
+
+static nkf_char
+s_iconv(nkf_char c2, nkf_char c1, nkf_char c0)
+{
+ if (c2 == JIS_X_0201_1976_K || (0xA1 <= c2 && c2 <= 0xDF)) {
+ if (iso2022jp_f && !x0201_f) {
+ c2 = GETA1; c1 = GETA2;
+ } else {
+ c1 &= 0x7f;
+ }
+ } else if ((c2 == EOF) || (c2 == 0) || c2 < SP) {
+ /* NOP */
+ } else if (!x0213_f && 0xF0 <= c2 && c2 <= 0xF9 && 0x40 <= c1 && c1 <= 0xFC) {
+ /* CP932 UDC */
+ if(c1 == 0x7F) return 0;
+ c1 = nkf_char_unicode_new((c2 - 0xF0) * 188 + (c1 - 0x40 - (0x7E < c1)) + 0xE000);
+ c2 = 0;
+ } else {
+ nkf_char ret = s2e_conv(c2, c1, &c2, &c1);
+ if (ret) return ret;
+ }
+ (*oconv)(c2, c1);
+ return 0;
+}
+
+static nkf_char
+w_iconv(nkf_char c1, nkf_char c2, nkf_char c3)
+{
+ nkf_char ret = 0, c4 = 0;
+ static const char w_iconv_utf8_1st_byte[] =
+ { /* 0xC0 - 0xFF */
+ 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
+ 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
+ 30, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 32, 33, 33,
+ 40, 41, 41, 41, 42, 43, 43, 43, 50, 50, 50, 50, 60, 60, 70, 70};
+
+ if (c3 > 0xFF) {
+ c4 = c3 & 0xFF;
+ c3 >>= 8;
+ }
+
+ if (c1 < 0 || 0xff < c1) {
+ }else if (c1 == 0) { /* 0 : 1 byte*/
+ c3 = 0;
+ } else if ((c1 & 0xC0) == 0x80) { /* 0x80-0xbf : trail byte */
+ return 0;
+ } else{
+ switch (w_iconv_utf8_1st_byte[c1 - 0xC0]) {
+ case 21:
+ if (c2 < 0x80 || 0xBF < c2) return 0;
+ break;
+ case 30:
+ if (c3 == 0) return -1;
+ if (c2 < 0xA0 || 0xBF < c2 || (c3 & 0xC0) != 0x80)
+ return 0;
+ break;
+ case 31:
+ case 33:
+ if (c3 == 0) return -1;
+ if ((c2 & 0xC0) != 0x80 || (c3 & 0xC0) != 0x80)
+ return 0;
+ break;
+ case 32:
+ if (c3 == 0) return -1;
+ if (c2 < 0x80 || 0x9F < c2 || (c3 & 0xC0) != 0x80)
+ return 0;
+ break;
+ case 40:
+ if (c3 == 0) return -2;
+ if (c2 < 0x90 || 0xBF < c2 || (c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
+ return 0;
+ break;
+ case 41:
+ if (c3 == 0) return -2;
+ if (c2 < 0x80 || 0xBF < c2 || (c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
+ return 0;
+ break;
+ case 42:
+ if (c3 == 0) return -2;
+ if (c2 < 0x80 || 0x8F < c2 || (c3 & 0xC0) != 0x80 || (c4 & 0xC0) != 0x80)
+ return 0;
+ break;
+ default:
+ return 0;
+ break;
+ }
+ }
+ if (c1 == 0 || c1 == EOF){
+ } else if ((c1 & 0xf8) == 0xf0) { /* 4 bytes */
+ c2 = nkf_char_unicode_new(nkf_utf8_to_unicode(c1, c2, c3, c4));
+ c1 = 0;
+ } else {
+ ret = w2e_conv(c1, c2, c3, &c1, &c2);
+ }
+ if (ret == 0){
+ (*oconv)(c1, c2);
+ }
+ return ret;
+}
+
+#define NKF_ICONV_INVALID_CODE_RANGE -13
+static size_t
+unicode_iconv(nkf_char wc)
+{
+ nkf_char c1, c2;
+ int ret = 0;
+
+ if (wc < 0x80) {
+ c2 = 0;
+ c1 = wc;
+ }else if ((wc>>11) == 27) {
+ /* unpaired surrogate */
+ return NKF_ICONV_INVALID_CODE_RANGE;
+ }else if (wc < 0xFFFF) {
+ ret = w16e_conv(wc, &c2, &c1);
+ if (ret) return ret;
+ }else if (wc < 0x10FFFF) {
+ c2 = 0;
+ c1 = nkf_char_unicode_new(wc);
+ } else {
+ return NKF_ICONV_INVALID_CODE_RANGE;
+ }
+ (*oconv)(c2, c1);
+ return 0;
+}
+
+#define NKF_ICONV_NEED_ONE_MORE_BYTE -1
+#define NKF_ICONV_NEED_TWO_MORE_BYTES -2
+#define UTF16_TO_UTF32(lead, trail) (((lead) << 10) + (trail) - NKF_INT32_C(0x35FDC00))
+static size_t
+nkf_iconv_utf_16(int c1, int c2, int c3, int c4)
+{
+ nkf_char wc;
+
+ if (c1 == EOF) {
+ (*oconv)(EOF, 0);
+ return 0;
+ }
+
+ if (input_endian == ENDIAN_BIG) {
+ if (0xD8 <= c1 && c1 <= 0xDB) {
+ if (0xDC <= c3 && c3 <= 0xDF) {
+ wc = UTF16_TO_UTF32(c1 << 8 | c2, c3 << 8 | c4);
+ } else return NKF_ICONV_NEED_TWO_MORE_BYTES;
+ } else {
+ wc = c1 << 8 | c2;
+ }
+ } else {
+ if (0xD8 <= c2 && c2 <= 0xDB) {
+ if (0xDC <= c4 && c4 <= 0xDF) {
+ wc = UTF16_TO_UTF32(c2 << 8 | c1, c4 << 8 | c3);
+ } else return NKF_ICONV_NEED_TWO_MORE_BYTES;
+ } else {
+ wc = c2 << 8 | c1;
+ }
+ }
+
+ return (*unicode_iconv)(wc);
+}
+
+static nkf_char
+w_iconv16(nkf_char c2, nkf_char c1, nkf_char c0)
+{
+ return 0;
+}
+
+static nkf_char
+w_iconv32(nkf_char c2, nkf_char c1, nkf_char c0)
+{
+ return 0;
+}
+
+static size_t
+nkf_iconv_utf_32(int c1, int c2, int c3, int c4)
+{
+ nkf_char wc;
+
+ if (c1 == EOF) {
+ (*oconv)(EOF, 0);
+ return 0;
+ }
+
+ switch(input_endian){
+ case ENDIAN_BIG:
+ wc = c2 << 16 | c3 << 8 | c4;
+ break;
+ case ENDIAN_LITTLE:
+ wc = c3 << 16 | c2 << 8 | c1;
+ break;
+ case ENDIAN_2143:
+ wc = c1 << 16 | c4 << 8 | c3;
+ break;
+ case ENDIAN_3412:
+ wc = c4 << 16 | c1 << 8 | c2;
+ break;
+ default:
+ return NKF_ICONV_INVALID_CODE_RANGE;
+ }
+
+ return (*unicode_iconv)(wc);
+}
+#endif
+
+#define output_ascii_escape_sequence(mode) do { \
+ if (output_mode != ASCII && output_mode != ISO_8859_1) { \
+ (*o_putc)(ESC); \
+ (*o_putc)('('); \
+ (*o_putc)(ascii_intro); \
+ output_mode = mode; \
+ } \
+ } while (0)
+
+static void
+output_escape_sequence(int mode)
+{
+ if (output_mode == mode)
+ return;
+ switch(mode) {
+ case ISO_8859_1:
+ (*o_putc)(ESC);
+ (*o_putc)('.');
+ (*o_putc)('A');
+ break;
+ case JIS_X_0201_1976_K:
+ (*o_putc)(ESC);
+ (*o_putc)('(');
+ (*o_putc)('I');
+ break;
+ case JIS_X_0208:
+ (*o_putc)(ESC);
+ (*o_putc)('$');
+ (*o_putc)(kanji_intro);
+ break;
+ case JIS_X_0212:
+ (*o_putc)(ESC);
+ (*o_putc)('$');
+ (*o_putc)('(');
+ (*o_putc)('D');
+ break;
+ case JIS_X_0213_1:
+ (*o_putc)(ESC);
+ (*o_putc)('$');
+ (*o_putc)('(');
+ (*o_putc)('Q');
+ break;
+ case JIS_X_0213_2:
+ (*o_putc)(ESC);
+ (*o_putc)('$');
+ (*o_putc)('(');
+ (*o_putc)('P');
+ break;
+ }
+ output_mode = mode;
+}
+
+static void
+j_oconv(nkf_char c2, nkf_char c1)
+{
+#ifdef NUMCHAR_OPTION
+ if (c2 == 0 && nkf_char_unicode_p(c1)){
+ w16e_conv(c1, &c2, &c1);
+ if (c2 == 0 && nkf_char_unicode_p(c1)){
+ c2 = c1 & VALUE_MASK;
+ if (ms_ucs_map_f && 0xE000 <= c2 && c2 <= 0xE757) {
+ /* CP5022x UDC */
+ c1 &= 0xFFF;
+ c2 = 0x7F + c1 / 94;
+ c1 = 0x21 + c1 % 94;
+ } else {
+ if (encode_fallback) (*encode_fallback)(c1);
+ return;
+ }
+ }
+ }
+#endif
+ if (c2 == 0) {
+ output_ascii_escape_sequence(ASCII);
+ (*o_putc)(c1);
+ }
+ else if (c2 == EOF) {
+ output_ascii_escape_sequence(ASCII);
+ (*o_putc)(EOF);
+ }
+ else if (c2 == ISO_8859_1) {
+ output_ascii_escape_sequence(ISO_8859_1);
+ (*o_putc)(c1|0x80);
+ }
+ else if (c2 == JIS_X_0201_1976_K) {
+ output_escape_sequence(JIS_X_0201_1976_K);
+ (*o_putc)(c1);
+#ifdef X0212_ENABLE
+ } else if (is_eucg3(c2)){
+ output_escape_sequence(x0213_f ? JIS_X_0213_2 : JIS_X_0212);
+ (*o_putc)(c2 & 0x7f);
+ (*o_putc)(c1);
+#endif
+ } else {
+ if(ms_ucs_map_f
+ ? c2<0x20 || 0x92<c2 || c1<0x20 || 0x7e<c1
+ : c2<0x20 || 0x7e<c2 || c1<0x20 || 0x7e<c1) return;
+ output_escape_sequence(x0213_f ? JIS_X_0213_1 : JIS_X_0208);
+ (*o_putc)(c2);
+ (*o_putc)(c1);
+ }
+}
+
+static void
+e_oconv(nkf_char c2, nkf_char c1)
+{
+ if (c2 == 0 && nkf_char_unicode_p(c1)){
+ w16e_conv(c1, &c2, &c1);
+ if (c2 == 0 && nkf_char_unicode_p(c1)){
+ c2 = c1 & VALUE_MASK;
+ if (x0212_f && 0xE000 <= c2 && c2 <= 0xE757) {
+ /* eucJP-ms UDC */
+ c1 &= 0xFFF;
+ c2 = c1 / 94;
+ c2 += c2 < 10 ? 0x75 : 0x8FEB;
+ c1 = 0x21 + c1 % 94;
+ if (is_eucg3(c2)){
+ (*o_putc)(0x8f);
+ (*o_putc)((c2 & 0x7f) | 0x080);
+ (*o_putc)(c1 | 0x080);
+ }else{
+ (*o_putc)((c2 & 0x7f) | 0x080);
+ (*o_putc)(c1 | 0x080);
+ }
+ return;
+ } else {
+ if (encode_fallback) (*encode_fallback)(c1);
+ return;
+ }
+ }
+ }
+
+ if (c2 == EOF) {
+ (*o_putc)(EOF);
+ } else if (c2 == 0) {
+ output_mode = ASCII;
+ (*o_putc)(c1);
+ } else if (c2 == JIS_X_0201_1976_K) {
+ output_mode = EUC_JP;
+ (*o_putc)(SS2); (*o_putc)(c1|0x80);
+ } else if (c2 == ISO_8859_1) {
+ output_mode = ISO_8859_1;
+ (*o_putc)(c1 | 0x080);
+#ifdef X0212_ENABLE
+ } else if (is_eucg3(c2)){
+ output_mode = EUC_JP;
+#ifdef SHIFTJIS_CP932
+ if (!cp932inv_f){
+ nkf_char s2, s1;
+ if (e2s_conv(c2, c1, &s2, &s1) == 0){
+ s2e_conv(s2, s1, &c2, &c1);
+ }
+ }
+#endif
+ if (c2 == 0) {
+ output_mode = ASCII;
+ (*o_putc)(c1);
+ }else if (is_eucg3(c2)){
+ if (x0212_f){
+ (*o_putc)(0x8f);
+ (*o_putc)((c2 & 0x7f) | 0x080);
+ (*o_putc)(c1 | 0x080);
+ }
+ }else{
+ (*o_putc)((c2 & 0x7f) | 0x080);
+ (*o_putc)(c1 | 0x080);
+ }
+#endif
+ } else {
+ if (!nkf_isgraph(c1) || !nkf_isgraph(c2)) {
+ set_iconv(FALSE, 0);
+ return; /* too late to rescue this char */
+ }
+ output_mode = EUC_JP;
+ (*o_putc)(c2 | 0x080);
+ (*o_putc)(c1 | 0x080);
+ }
+}
+
+static void
+s_oconv(nkf_char c2, nkf_char c1)
+{
+#ifdef NUMCHAR_OPTION
+ if (c2 == 0 && nkf_char_unicode_p(c1)){
+ w16e_conv(c1, &c2, &c1);
+ if (c2 == 0 && nkf_char_unicode_p(c1)){
+ c2 = c1 & VALUE_MASK;
+ if (!x0213_f && 0xE000 <= c2 && c2 <= 0xE757) {
+ /* CP932 UDC */
+ c1 &= 0xFFF;
+ c2 = c1 / 188 + (cp932inv_f ? 0xF0 : 0xEB);
+ c1 = c1 % 188;
+ c1 += 0x40 + (c1 > 0x3e);
+ (*o_putc)(c2);
+ (*o_putc)(c1);
+ return;
+ } else {
+ if(encode_fallback)(*encode_fallback)(c1);
+ return;
+ }
+ }
+ }
+#endif
+ if (c2 == EOF) {
+ (*o_putc)(EOF);
+ return;
+ } else if (c2 == 0) {
+ output_mode = ASCII;
+ (*o_putc)(c1);
+ } else if (c2 == JIS_X_0201_1976_K) {
+ output_mode = SHIFT_JIS;
+ (*o_putc)(c1|0x80);
+ } else if (c2 == ISO_8859_1) {
+ output_mode = ISO_8859_1;
+ (*o_putc)(c1 | 0x080);
+#ifdef X0212_ENABLE
+ } else if (is_eucg3(c2)){
+ output_mode = SHIFT_JIS;
+ if (e2s_conv(c2, c1, &c2, &c1) == 0){
+ (*o_putc)(c2);
+ (*o_putc)(c1);
+ }
+#endif
+ } else {
+ if (!nkf_isprint(c1) || !nkf_isprint(c2)) {
+ set_iconv(FALSE, 0);
+ return; /* too late to rescue this char */
+ }
+ output_mode = SHIFT_JIS;
+ e2s_conv(c2, c1, &c2, &c1);
+
+#ifdef SHIFTJIS_CP932
+ if (cp932inv_f
+ && CP932INV_TABLE_BEGIN <= c2 && c2 <= CP932INV_TABLE_END){
+ nkf_char c = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40];
+ if (c){
+ c2 = c >> 8;
+ c1 = c & 0xff;
+ }
+ }
+#endif /* SHIFTJIS_CP932 */
+
+ (*o_putc)(c2);
+ if (prefix_table[(unsigned char)c1]){
+ (*o_putc)(prefix_table[(unsigned char)c1]);
+ }
+ (*o_putc)(c1);
+ }
+}
+
+#ifdef UTF8_OUTPUT_ENABLE
+static void
+w_oconv(nkf_char c2, nkf_char c1)
+{
+ int c3, c4;
+ nkf_char val;
+
+ if (output_bom_f) {
+ output_bom_f = FALSE;
+ (*o_putc)('\357');
+ (*o_putc)('\273');
+ (*o_putc)('\277');
+ }
+
+ if (c2 == EOF) {
+ (*o_putc)(EOF);
+ return;
+ }
+
+ if (c2 == 0 && nkf_char_unicode_p(c1)){
+ val = c1 & VALUE_MASK;
+ nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4);
+ (*o_putc)(c1);
+ if (c2) (*o_putc)(c2);
+ if (c3) (*o_putc)(c3);
+ if (c4) (*o_putc)(c4);
+ return;
+ }
+
+ if (c2 == 0) {
+ (*o_putc)(c1);
+ } else {
+ val = e2w_conv(c2, c1);
+ if (val){
+ nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4);
+ (*o_putc)(c1);
+ if (c2) (*o_putc)(c2);
+ if (c3) (*o_putc)(c3);
+ if (c4) (*o_putc)(c4);
+ }
+ }
+}
+
+static void
+w_oconv16(nkf_char c2, nkf_char c1)
+{
+ if (output_bom_f) {
+ output_bom_f = FALSE;
+ if (output_endian == ENDIAN_LITTLE){
+ (*o_putc)(0xFF);
+ (*o_putc)(0xFE);
+ }else{
+ (*o_putc)(0xFE);
+ (*o_putc)(0xFF);
+ }
+ }
+
+ if (c2 == EOF) {
+ (*o_putc)(EOF);
+ return;
+ }
+
+ if (c2 == 0 && nkf_char_unicode_p(c1)) {
+ if (nkf_char_unicode_bmp_p(c1)) {
+ c2 = (c1 >> 8) & 0xff;
+ c1 &= 0xff;
+ } else {
+ c1 &= VALUE_MASK;
+ if (c1 <= UNICODE_MAX) {
+ c2 = (c1 >> 10) + NKF_INT32_C(0xD7C0); /* high surrogate */
+ c1 = (c1 & 0x3FF) + NKF_INT32_C(0xDC00); /* low surrogate */
+ if (output_endian == ENDIAN_LITTLE){
+ (*o_putc)(c2 & 0xff);
+ (*o_putc)((c2 >> 8) & 0xff);
+ (*o_putc)(c1 & 0xff);
+ (*o_putc)((c1 >> 8) & 0xff);
+ }else{
+ (*o_putc)((c2 >> 8) & 0xff);
+ (*o_putc)(c2 & 0xff);
+ (*o_putc)((c1 >> 8) & 0xff);
+ (*o_putc)(c1 & 0xff);
+ }
+ }
+ return;
+ }
+ } else if (c2) {
+ nkf_char val = e2w_conv(c2, c1);
+ c2 = (val >> 8) & 0xff;
+ c1 = val & 0xff;
+ if (!val) return;
+ }
+ if (output_endian == ENDIAN_LITTLE){
+ (*o_putc)(c1);
+ (*o_putc)(c2);
+ }else{
+ (*o_putc)(c2);
+ (*o_putc)(c1);
+ }
+}
+
+static void
+w_oconv32(nkf_char c2, nkf_char c1)
+{
+ if (output_bom_f) {
+ output_bom_f = FALSE;
+ if (output_endian == ENDIAN_LITTLE){
+ (*o_putc)(0xFF);
+ (*o_putc)(0xFE);
+ (*o_putc)(0);
+ (*o_putc)(0);
+ }else{
+ (*o_putc)(0);
+ (*o_putc)(0);
+ (*o_putc)(0xFE);
+ (*o_putc)(0xFF);
+ }
+ }
+
+ if (c2 == EOF) {
+ (*o_putc)(EOF);
+ return;
+ }
+
+ if (c2 == ISO_8859_1) {
+ c1 |= 0x80;
+ } else if (c2 == 0 && nkf_char_unicode_p(c1)) {
+ c1 &= VALUE_MASK;
+ } else if (c2) {
+ c1 = e2w_conv(c2, c1);
+ if (!c1) return;
+ }
+ if (output_endian == ENDIAN_LITTLE){
+ (*o_putc)( c1 & 0xFF);
+ (*o_putc)((c1 >> 8) & 0xFF);
+ (*o_putc)((c1 >> 16) & 0xFF);
+ (*o_putc)(0);
+ }else{
+ (*o_putc)(0);
+ (*o_putc)((c1 >> 16) & 0xFF);
+ (*o_putc)((c1 >> 8) & 0xFF);
+ (*o_putc)( c1 & 0xFF);
+ }
+}
+#endif
+
+#define SCORE_L2 (1) /* $BBh(B2$B?e=`4A;z(B */
+#define SCORE_KANA (SCORE_L2 << 1) /* $B$$$o$f$kH>3Q%+%J(B */
+#define SCORE_DEPEND (SCORE_KANA << 1) /* $B5!<o0MB8J8;z(B */
+#define SCORE_CP932 (SCORE_DEPEND << 1) /* CP932 $B$K$h$kFI$_49$((B (IBM extended characters) */
+#define SCORE_X0212 (SCORE_CP932 << 1) /* JIS X 0212 */
+#define SCORE_NO_EXIST (SCORE_X0212 << 1) /* $BB8:_$7$J$$J8;z(B */
+#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)
+
+static const char score_table_A0[] = {
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND,
+ SCORE_DEPEND, SCORE_DEPEND, SCORE_DEPEND, SCORE_NO_EXIST,
+};
+
+static const char score_table_F0[] = {
+ SCORE_L2, SCORE_L2, SCORE_L2, SCORE_L2,
+ SCORE_L2, SCORE_DEPEND, SCORE_NO_EXIST, SCORE_NO_EXIST,
+ SCORE_DEPEND, SCORE_DEPEND, SCORE_CP932, SCORE_CP932,
+ SCORE_CP932, SCORE_NO_EXIST, SCORE_NO_EXIST, SCORE_ERROR,
+};
+
+static void
+set_code_score(struct input_code *ptr, nkf_char score)
+{
+ if (ptr){
+ ptr->score |= score;
+ }
+}
+
+static void
+clr_code_score(struct input_code *ptr, nkf_char score)
+{
+ if (ptr){
+ ptr->score &= ~score;
+ }
+}
+
+static void
+code_score(struct input_code *ptr)
+{
+ nkf_char c2 = ptr->buf[0];
+#ifdef UTF8_OUTPUT_ENABLE
+ nkf_char c1 = ptr->buf[1];
+#endif
+ if (c2 < 0){
+ set_code_score(ptr, SCORE_ERROR);
+ }else if (c2 == SS2){
+ set_code_score(ptr, SCORE_KANA);
+ }else if (c2 == 0x8f){
+ set_code_score(ptr, SCORE_X0212);
+#ifdef UTF8_OUTPUT_ENABLE
+ }else if (!e2w_conv(c2, c1)){
+ set_code_score(ptr, SCORE_NO_EXIST);
+#endif
+ }else if ((c2 & 0x70) == 0x20){
+ set_code_score(ptr, score_table_A0[c2 & 0x0f]);
+ }else if ((c2 & 0x70) == 0x70){
+ set_code_score(ptr, score_table_F0[c2 & 0x0f]);
+ }else if ((c2 & 0x70) >= 0x50){
+ set_code_score(ptr, SCORE_L2);
+ }
+}
+
+static void
+status_disable(struct input_code *ptr)
+{
+ ptr->stat = -1;
+ ptr->buf[0] = -1;
+ code_score(ptr);
+ if (iconv == ptr->iconv_func) set_iconv(FALSE, 0);
+}
+
+static void
+status_push_ch(struct input_code *ptr, nkf_char c)
+{
+ ptr->buf[ptr->index++] = c;
+}
+
+static void
+status_clear(struct input_code *ptr)
+{
+ ptr->stat = 0;
+ ptr->index = 0;
+}
+
+static void
+status_reset(struct input_code *ptr)
+{
+ status_clear(ptr);
+ ptr->score = SCORE_INIT;
+}
+
+static void
+status_reinit(struct input_code *ptr)
+{
+ status_reset(ptr);
+ ptr->_file_stat = 0;
+}
+
+static void
+status_check(struct input_code *ptr, nkf_char c)
+{
+ if (c <= DEL && estab_f){
+ status_reset(ptr);
+ }
+}
+
+static void
+s_status(struct input_code *ptr, nkf_char c)
+{
+ switch(ptr->stat){
+ case -1:
+ status_check(ptr, c);
+ break;
+ case 0:
+ if (c <= DEL){
+ break;
+ }else if (nkf_char_unicode_p(c)){
+ break;
+ }else if (0xa1 <= c && c <= 0xdf){
+ status_push_ch(ptr, SS2);
+ status_push_ch(ptr, c);
+ code_score(ptr);
+ status_clear(ptr);
+ }else if ((0x81 <= c && c < 0xa0) || (0xe0 <= c && c <= 0xea)){
+ ptr->stat = 1;
+ status_push_ch(ptr, c);
+ }else if (0xed <= c && c <= 0xee){
+ ptr->stat = 3;
+ status_push_ch(ptr, c);
+#ifdef SHIFTJIS_CP932
+ }else if (is_ibmext_in_sjis(c)){
+ ptr->stat = 2;
+ status_push_ch(ptr, c);
+#endif /* SHIFTJIS_CP932 */
+#ifdef X0212_ENABLE
+ }else if (0xf0 <= c && c <= 0xfc){
+ ptr->stat = 1;
+ status_push_ch(ptr, c);
+#endif /* X0212_ENABLE */
+ }else{
+ status_disable(ptr);
+ }
+ break;
+ case 1:
+ if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){
+ status_push_ch(ptr, c);
+ s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]);
+ code_score(ptr);
+ status_clear(ptr);
+ }else{
+ status_disable(ptr);
+ }
+ break;
+ case 2:
+#ifdef SHIFTJIS_CP932
+ if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)) {
+ status_push_ch(ptr, c);
+ if (s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]) == 0) {
+ set_code_score(ptr, SCORE_CP932);
+ status_clear(ptr);
+ break;
+ }
+ }
+#endif /* SHIFTJIS_CP932 */
+ status_disable(ptr);
+ break;
+ case 3:
+ if ((0x40 <= c && c <= 0x7e) || (0x80 <= c && c <= 0xfc)){
+ status_push_ch(ptr, c);
+ s2e_conv(ptr->buf[0], ptr->buf[1], &ptr->buf[0], &ptr->buf[1]);
+ set_code_score(ptr, SCORE_CP932);
+ status_clear(ptr);
+ }else{
+ status_disable(ptr);
+ }
+ break;
+ }
+}
+
+static void
+e_status(struct input_code *ptr, nkf_char c)
+{
+ switch (ptr->stat){
+ case -1:
+ status_check(ptr, c);
+ break;
+ case 0:
+ if (c <= DEL){
+ break;
+ }else if (nkf_char_unicode_p(c)){
+ break;
+ }else if (SS2 == c || (0xa1 <= c && c <= 0xfe)){
+ ptr->stat = 1;
+ status_push_ch(ptr, c);
+#ifdef X0212_ENABLE
+ }else if (0x8f == c){
+ ptr->stat = 2;
+ status_push_ch(ptr, c);
+#endif /* X0212_ENABLE */
+ }else{
+ status_disable(ptr);
+ }
+ break;
+ case 1:
+ if (0xa1 <= c && c <= 0xfe){
+ status_push_ch(ptr, c);
+ code_score(ptr);
+ status_clear(ptr);
+ }else{
+ status_disable(ptr);
+ }
+ break;
+#ifdef X0212_ENABLE
+ case 2:
+ if (0xa1 <= c && c <= 0xfe){
+ ptr->stat = 1;
+ status_push_ch(ptr, c);
+ }else{
+ status_disable(ptr);
+ }
+#endif /* X0212_ENABLE */
+ }
+}
+
+#ifdef UTF8_INPUT_ENABLE
+static void
+w_status(struct input_code *ptr, nkf_char c)
+{
+ switch (ptr->stat){
+ case -1:
+ status_check(ptr, c);
+ break;
+ case 0:
+ if (c <= DEL){
+ break;
+ }else if (nkf_char_unicode_p(c)){
+ break;
+ }else if (0xc0 <= c && c <= 0xdf){
+ ptr->stat = 1;
+ status_push_ch(ptr, c);
+ }else if (0xe0 <= c && c <= 0xef){
+ ptr->stat = 2;
+ status_push_ch(ptr, c);
+ }else if (0xf0 <= c && c <= 0xf4){
+ ptr->stat = 3;
+ status_push_ch(ptr, c);
+ }else{
+ status_disable(ptr);
+ }
+ break;
+ case 1:
+ case 2:
+ if (0x80 <= c && c <= 0xbf){
+ status_push_ch(ptr, c);
+ if (ptr->index > ptr->stat){
+ int bom = (ptr->buf[0] == 0xef && ptr->buf[1] == 0xbb
+ && ptr->buf[2] == 0xbf);
+ w2e_conv(ptr->buf[0], ptr->buf[1], ptr->buf[2],
+ &ptr->buf[0], &ptr->buf[1]);
+ if (!bom){
+ code_score(ptr);
+ }
+ status_clear(ptr);
+ }
+ }else{
+ status_disable(ptr);
+ }
+ break;
+ case 3:
+ if (0x80 <= c && c <= 0xbf){
+ if (ptr->index < ptr->stat){
+ status_push_ch(ptr, c);
+ } else {
+ status_clear(ptr);
+ }
+ }else{
+ status_disable(ptr);
+ }
+ break;
+ }
+}
+#endif
+
+static void
+code_status(nkf_char c)
+{
+ int action_flag = 1;
+ struct input_code *result = 0;
+ struct input_code *p = input_code_list;
+ while (p->name){
+ if (!p->status_func) {
+ ++p;
+ continue;
+ }
+ if (!p->status_func)
+ continue;
+ (p->status_func)(p, c);
+ if (p->stat > 0){
+ action_flag = 0;
+ }else if(p->stat == 0){
+ if (result){
+ action_flag = 0;
+ }else{
+ result = p;
+ }
+ }
+ ++p;
+ }
+
+ if (action_flag){
+ if (result && !estab_f){
+ set_iconv(TRUE, result->iconv_func);
+ }else if (c <= DEL){
+ struct input_code *ptr = input_code_list;
+ while (ptr->name){
+ status_reset(ptr);
+ ++ptr;
+ }
+ }
+ }
+}
+
+#ifndef WIN32DLL
+static nkf_char
+std_getc(FILE *f)
+{
+ if (std_gc_ndx){
+ return std_gc_buf[--std_gc_ndx];
+ }
+ return getc(f);
+}
+#endif /*WIN32DLL*/
+
+static nkf_char
+std_ungetc(nkf_char c, FILE *f)
+{
+ if (std_gc_ndx == STD_GC_BUFSIZE){
+ return EOF;
+ }
+ std_gc_buf[std_gc_ndx++] = c;
+ return c;
+}
+
+#ifndef WIN32DLL
+static void
+std_putc(nkf_char c)
+{
+ if(c!=EOF)
+ putchar(c);
+}
+#endif /*WIN32DLL*/
+
+static unsigned char hold_buf[HOLD_SIZE*2];
+static int hold_count = 0;
+static nkf_char
+push_hold_buf(nkf_char c2)
+{
+ if (hold_count >= HOLD_SIZE*2)
+ return (EOF);
+ hold_buf[hold_count++] = (unsigned char)c2;
+ return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count);
+}
+
+static int
+h_conv(FILE *f, int c1, int c2)
+{
+ int ret, c4, c3;
+ int hold_index;
+
+
+ /** 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(c1);
+ push_hold_buf(c2);
+
+ while ((c2 = (*i_getc)(f)) != EOF) {
+ if (c2 == ESC){
+ (*i_ungetc)(c2,f);
+ break;
+ }
+ code_status(c2);
+ if (push_hold_buf(c2) == EOF || estab_f) {
+ break;
+ }
+ }
+
+ if (!estab_f) {
+ struct input_code *p = input_code_list;
+ struct input_code *result = p;
+ if (c2 == EOF) {
+ code_status(c2);
+ }
+ while (p->name) {
+ if (p->status_func && p->score < result->score) {
+ result = p;
+ }
+ p++;
+ }
+ set_iconv(TRUE, 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.
+ **/
+
+ ret = c2;
+ hold_index = 0;
+ while (hold_index < hold_count){
+ c1 = hold_buf[hold_index++];
+ if (c1 <= DEL){
+ (*iconv)(0, c1, 0);
+ continue;
+ }else if (iconv == s_iconv && 0xa1 <= c1 && c1 <= 0xdf){
+ (*iconv)(JIS_X_0201_1976_K, c1, 0);
+ continue;
+ }
+ if (hold_index < hold_count){
+ c2 = hold_buf[hold_index++];
+ }else{
+ c2 = (*i_getc)(f);
+ if (c2 == EOF){
+ c4 = EOF;
+ break;
+ }
+ code_status(c2);
+ }
+ c3 = 0;
+ switch ((*iconv)(c1, c2, 0)) { /* can be EUC/SJIS/UTF-8 */
+ case -2:
+ /* 4 bytes UTF-8 */
+ if (hold_index < hold_count){
+ c3 = hold_buf[hold_index++];
+ } else if ((c3 = (*i_getc)(f)) == EOF) {
+ ret = EOF;
+ break;
+ } else {
+ code_status(c3);
+ if (hold_index < hold_count){
+ c4 = hold_buf[hold_index++];
+ } else if ((c4 = (*i_getc)(f)) == EOF) {
+ c3 = ret = EOF;
+ break;
+ } else {
+ code_status(c4);
+ (*iconv)(c1, c2, (c3<<8)|c4);
+ }
+ }
+ break;
+ case -1:
+ /* 3 bytes EUC or UTF-8 */
+ if (hold_index < hold_count){
+ c3 = hold_buf[hold_index++];
+ } else if ((c3 = (*i_getc)(f)) == EOF) {
+ ret = EOF;
+ break;
+ } else {
+ code_status(c3);
+ }
+ (*iconv)(c1, c2, c3);
+ break;
+ }
+ if (c3 == EOF) break;
+ }
+ return ret;
+}
+
+/*
+ * Check and Ignore BOM
+ */
+static void
+check_bom(FILE *f)
+{
+ int c2;
+ switch(c2 = (*i_getc)(f)){
+ case 0x00:
+ if((c2 = (*i_getc)(f)) == 0x00){
+ if((c2 = (*i_getc)(f)) == 0xFE){
+ if((c2 = (*i_getc)(f)) == 0xFF){
+ if(!input_encoding){
+ set_iconv(TRUE, w_iconv32);
+ }
+ if (iconv == w_iconv32) {
+ input_endian = ENDIAN_BIG;
+ return;
+ }
+ (*i_ungetc)(0xFF,f);
+ }else (*i_ungetc)(c2,f);
+ (*i_ungetc)(0xFE,f);
+ }else if(c2 == 0xFF){
+ if((c2 = (*i_getc)(f)) == 0xFE){
+ if(!input_encoding){
+ set_iconv(TRUE, w_iconv32);
+ }
+ if (iconv == w_iconv32) {
+ input_endian = ENDIAN_2143;
+ return;
+ }
+ (*i_ungetc)(0xFF,f);
+ }else (*i_ungetc)(c2,f);
+ (*i_ungetc)(0xFF,f);
+ }else (*i_ungetc)(c2,f);
+ (*i_ungetc)(0x00,f);
+ }else (*i_ungetc)(c2,f);
+ (*i_ungetc)(0x00,f);
+ break;
+ case 0xEF:
+ if((c2 = (*i_getc)(f)) == 0xBB){
+ if((c2 = (*i_getc)(f)) == 0xBF){
+ if(!input_encoding){
+ set_iconv(TRUE, w_iconv);
+ }
+ if (iconv == w_iconv) {
+ return;
+ }
+ (*i_ungetc)(0xBF,f);
+ }else (*i_ungetc)(c2,f);
+ (*i_ungetc)(0xBB,f);
+ }else (*i_ungetc)(c2,f);
+ (*i_ungetc)(0xEF,f);
+ break;
+ case 0xFE:
+ if((c2 = (*i_getc)(f)) == 0xFF){
+ if((c2 = (*i_getc)(f)) == 0x00){
+ if((c2 = (*i_getc)(f)) == 0x00){
+ if(!input_encoding){
+ set_iconv(TRUE, w_iconv32);
+ }
+ if (iconv == w_iconv32) {
+ input_endian = ENDIAN_3412;
+ return;
+ }
+ (*i_ungetc)(0x00,f);
+ }else (*i_ungetc)(c2,f);
+ (*i_ungetc)(0x00,f);
+ }else (*i_ungetc)(c2,f);
+ if(!input_encoding){
+ set_iconv(TRUE, w_iconv16);
+ }
+ if (iconv == w_iconv16) {
+ input_endian = ENDIAN_BIG;
+ return;
+ }
+ (*i_ungetc)(0xFF,f);
+ }else (*i_ungetc)(c2,f);
+ (*i_ungetc)(0xFE,f);
+ break;
+ case 0xFF:
+ if((c2 = (*i_getc)(f)) == 0xFE){
+ if((c2 = (*i_getc)(f)) == 0x00){
+ if((c2 = (*i_getc)(f)) == 0x00){
+ if(!input_encoding){
+ set_iconv(TRUE, w_iconv32);
+ }
+ if (iconv == w_iconv32) {
+ input_endian = ENDIAN_LITTLE;
+ return;
+ }
+ (*i_ungetc)(0x00,f);
+ }else (*i_ungetc)(c2,f);
+ (*i_ungetc)(0x00,f);
+ }else (*i_ungetc)(c2,f);
+ if(!input_encoding){
+ set_iconv(TRUE, w_iconv16);
+ }
+ if (iconv == w_iconv16) {
+ input_endian = ENDIAN_LITTLE;
+ return;
+ }
+ (*i_ungetc)(0xFE,f);
+ }else (*i_ungetc)(c2,f);
+ (*i_ungetc)(0xFF,f);
+ break;
+ default:
+ (*i_ungetc)(c2,f);
+ break;
+ }
+}
+
+static struct {
+ int count;
+ nkf_char status;
+ nkf_char buf[3];
+} broken_state;
+
+static void
+init_broken_state(void)
+{
+ memset(&broken_state, 0, sizeof(broken_state));
+}
+
+static void
+push_broken_buf(c)
+{
+ broken_state.buf[broken_state.count++] = c;
+}
+
+static nkf_char
+pop_broken_buf(void)
+{
+ return broken_state.buf[--broken_state.count];
+}
+
+static nkf_char
+broken_getc(FILE *f)
+{
+ nkf_char c, c1;
+
+ if (broken_state.count > 0) {
+ return pop_broken_buf();
+ }
+ c = (*i_bgetc)(f);
+ if (c=='$' && broken_state.status != ESC
+ && (input_mode == ASCII || input_mode == JIS_X_0201_1976_K)) {
+ c1= (*i_bgetc)(f);
+ broken_state.status = 0;
+ if (c1=='@'|| c1=='B') {
+ push_broken_buf(c1);
+ push_broken_buf(c);
+ return ESC;
+ } else {
+ (*i_bungetc)(c1,f);
+ return c;
+ }
+ } else if (c=='(' && broken_state.status != ESC
+ && (input_mode == JIS_X_0208 || input_mode == JIS_X_0201_1976_K)) {
+ c1= (*i_bgetc)(f);
+ broken_state.status = 0;
+ if (c1=='J'|| c1=='B') {
+ push_broken_buf(c1);
+ push_broken_buf(c);
+ return ESC;
+ } else {
+ (*i_bungetc)(c1,f);
+ return c;
+ }
+ } else {
+ broken_state.status = c;
+ return c;
+ }
+}
+
+static nkf_char
+broken_ungetc(nkf_char c, FILE *f)
+{
+ if (broken_state.count < 2)
+ push_broken_buf(c);
+ return c;
+}
+
+static void
+eol_conv(nkf_char c2, nkf_char c1)
+{
+ if (guess_f && input_eol != EOF) {
+ if (c2 == 0 && c1 == LF) {
+ if (!input_eol) input_eol = prev_cr ? CRLF : LF;
+ else if (input_eol != (prev_cr ? CRLF : LF)) input_eol = EOF;
+ } else if (c2 == 0 && c1 == CR && input_eol == LF) input_eol = EOF;
+ else if (!prev_cr);
+ else if (!input_eol) input_eol = CR;
+ else if (input_eol != CR) input_eol = EOF;
+ }
+ if (prev_cr || (c2 == 0 && c1 == LF)) {
+ prev_cr = 0;
+ if (eolmode_f != LF) (*o_eol_conv)(0, CR);
+ if (eolmode_f != CR) (*o_eol_conv)(0, LF);
+ }
+ if (c2 == 0 && c1 == CR) prev_cr = CR;
+ else if (c2 != 0 || c1 != LF) (*o_eol_conv)(c2, c1);
+}
+
+/*
+ Return value of fold_conv()
+
+ LF add newline and output char
+ CR add newline and output nothing
+ SP space
+ 0 skip
+ 1 (or else) normal output
+
+ fold state in prev (previous character)
+
+ >0x80 Japanese (X0208/X0201)
+ <0x80 ASCII
+ LF new line
+ SP space
+
+ This fold algorthm does not preserve heading space in a line.
+ This is the main difference from fmt.
+ */
+
+#define char_size(c2,c1) (c2?2:1)
+
+static void
+fold_conv(nkf_char c2, nkf_char c1)
+{
+ nkf_char prev0;
+ nkf_char fold_state;
+
+ if (c1== CR && !fold_preserve_f) {
+ fold_state=0; /* ignore cr */
+ }else if (c1== LF&&f_prev==CR && fold_preserve_f) {
+ f_prev = LF;
+ fold_state=0; /* ignore cr */
+ } else if (c1== BS) {
+ if (f_line>0) f_line--;
+ fold_state = 1;
+ } else if (c2==EOF && f_line != 0) { /* close open last line */
+ fold_state = LF;
+ } else if ((c1==LF && !fold_preserve_f)
+ || ((c1==CR||(c1==LF&&f_prev!=CR))
+ && fold_preserve_f)) {
+ /* new line */
+ if (fold_preserve_f) {
+ f_prev = c1;
+ f_line = 0;
+ fold_state = CR;
+ } else if ((f_prev == c1 && !fold_preserve_f)
+ || (f_prev == LF && fold_preserve_f)
+ ) { /* duplicate newline */
+ if (f_line) {
+ f_line = 0;
+ fold_state = LF; /* output two newline */
+ } else {
+ f_line = 0;
+ fold_state = 1;
+ }
+ } else {
+ if (f_prev&0x80) { /* Japanese? */
+ f_prev = c1;
+ fold_state = 0; /* ignore given single newline */
+ } else if (f_prev==SP) {
+ fold_state = 0;
+ } else {
+ f_prev = c1;
+ if (++f_line<=fold_len)
+ fold_state = SP;
+ else {
+ f_line = 0;
+ fold_state = CR; /* fold and output nothing */
+ }
+ }
+ }
+ } else if (c1=='\f') {
+ f_prev = LF;
+ f_line = 0;
+ fold_state = LF; /* output newline and clear */
+ } else if ( (c2==0 && c1==SP)||
+ (c2==0 && c1==TAB)||
+ (c2=='!'&& c1=='!')) {
+ /* X0208 kankaku or ascii space */
+ if (f_prev == SP) {
+ fold_state = 0; /* remove duplicate spaces */
+ } else {
+ f_prev = SP;
+ if (++f_line<=fold_len)
+ fold_state = SP; /* output ASCII space only */
+ else {
+ f_prev = SP; f_line = 0;
+ fold_state = CR; /* fold and output nothing */
+ }
+ }
+ } else {
+ prev0 = f_prev; /* we still need this one... , but almost done */
+ f_prev = c1;
+ if (c2 || c2 == JIS_X_0201_1976_K)
+ f_prev |= 0x80; /* this is Japanese */
+ f_line += char_size(c2,c1);
+ if (f_line<=fold_len) { /* normal case */
+ fold_state = 1;
+ } else {
+ if (f_line>fold_len+fold_margin) { /* too many kinsoku suspension */
+ f_line = char_size(c2,c1);
+ fold_state = LF; /* We can't wait, do fold now */
+ } else if (c2 == JIS_X_0201_1976_K) {
+ /* simple kinsoku rules return 1 means no folding */
+ if (c1==(0xde&0x7f)) fold_state = 1; /* $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 (SP<=c1 && c1<=(0xdf&0x7f)) { /* X0201 */
+ f_line = 1;
+ fold_state = LF;/* add one new f_line before this character */
+ } else {
+ f_line = 1;
+ fold_state = LF;/* 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 = LF;
+ } else if ((prev0==SP) || /* ignored new f_line */
+ (prev0==LF)|| /* ignored new f_line */
+ (prev0&0x80)) { /* X0208 - ASCII */
+ f_line = char_size(c2,c1);
+ fold_state = LF;/* add one new f_line before this character */
+ } else {
+ fold_state = 1; /* default no fold in ASCII */
+ }
+ } else {
+ if (c2=='!') {
+ if (c1=='"') fold_state = 1; /* $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 = LF;
+ f_line = char_size(c2,c1);
+ /* add one new f_line before this character */
+ }
+ } else {
+ f_line = char_size(c2,c1);
+ fold_state = LF;
+ /* add one new f_line before this character */
+ }
+ }
+ }
+ }
+ /* terminator process */
+ switch(fold_state) {
+ case LF:
+ OCONV_NEWLINE((*o_fconv));
+ (*o_fconv)(c2,c1);
+ break;
+ case 0:
+ return;
+ case CR:
+ OCONV_NEWLINE((*o_fconv));
+ break;
+ case TAB:
+ case SP:
+ (*o_fconv)(0,SP);
+ break;
+ default:
+ (*o_fconv)(c2,c1);
+ }
+}
+
+static nkf_char z_prev2=0,z_prev1=0;
+
+static void
+z_conv(nkf_char c2, nkf_char c1)
+{
+
+ /* if (c2) c1 &= 0x7f; assertion */
+
+ if (c2 == JIS_X_0201_1976_K && (c1 == 0x20 || c1 == 0x7D || c1 == 0x7E)) {
+ (*o_zconv)(c2,c1);
+ return;
+ }
+
+ if (x0201_f) {
+ if (z_prev2 == JIS_X_0201_1976_K) {
+ if (c2 == JIS_X_0201_1976_K) {
+ if (c1 == (0xde&0x7f)) { /* $BByE@(B */
+ z_prev2 = 0;
+ (*o_zconv)(dv[(z_prev1-SP)*2], dv[(z_prev1-SP)*2+1]);
+ return;
+ } else if (c1 == (0xdf&0x7f) && ev[(z_prev1-SP)*2]) { /* $BH>ByE@(B */
+ z_prev2 = 0;
+ (*o_zconv)(ev[(z_prev1-SP)*2], ev[(z_prev1-SP)*2+1]);
+ return;
+ }
+ }
+ z_prev2 = 0;
+ (*o_zconv)(cv[(z_prev1-SP)*2], cv[(z_prev1-SP)*2+1]);
+ }
+ if (c2 == JIS_X_0201_1976_K) {
+ if (dv[(c1-SP)*2] || ev[(c1-SP)*2]) {
+ /* wait for $BByE@(B or $BH>ByE@(B */
+ z_prev1 = c1;
+ z_prev2 = c2;
+ return;
+ } else {
+ (*o_zconv)(cv[(c1-SP)*2], cv[(c1-SP)*2+1]);
+ return;
+ }
+ }
+ }
+
+ if (c2 == EOF) {
+ (*o_zconv)(c2, c1);
+ return;
+ }
+
+ if (alpha_f&1 && c2 == 0x23) {
+ /* JISX0208 Alphabet */
+ c2 = 0;
+ } else if (c2 == 0x21) {
+ /* JISX0208 Kigou */
+ if (0x21==c1) {
+ if (alpha_f&2) {
+ c2 = 0;
+ c1 = SP;
+ } else if (alpha_f&4) {
+ (*o_zconv)(0, SP);
+ (*o_zconv)(0, SP);
+ return;
+ }
+ } else if (alpha_f&1 && 0x20<c1 && c1<0x7f && fv[c1-0x20]) {
+ c2 = 0;
+ c1 = fv[c1-0x20];
+ }
+ }
+
+ if (alpha_f&8 && c2 == 0) {
+ /* HTML Entity */
+ const 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;
+ }
+ }
+
+ if (alpha_f & 16) {
+ /* JIS X 0208 Katakana to JIS X 0201 Katakana */
+ if (c2 == 0x21) {
+ char c = 0;
+ switch (c1) {
+ case 0x23:
+ /* U+3002 (0x8142) Ideographic Full Stop -> U+FF61 (0xA1) Halfwidth Ideographic Full Stop */
+ c = 0xA1;
+ break;
+ case 0x56:
+ /* U+300C (0x8175) Left Corner Bracket -> U+FF62 (0xA2) Halfwidth Left Corner Bracket */
+ c = 0xA2;
+ break;
+ case 0x57:
+ /* U+300D (0x8176) Right Corner Bracket -> U+FF63 (0xA3) Halfwidth Right Corner Bracket */
+ c = 0xA3;
+ break;
+ case 0x22:
+ /* U+3001 (0x8141) Ideographic Comma -> U+FF64 (0xA4) Halfwidth Ideographic Comma */
+ c = 0xA4;
+ break;
+ case 0x26:
+ /* U+30FB (0x8145) Katakana Middle Dot -> U+FF65 (0xA5) Halfwidth Katakana Middle Dot */
+ c = 0xA5;
+ break;
+ case 0x3C:
+ /* U+30FC (0x815B) Katakana-Hiragana Prolonged Sound Mark -> U+FF70 (0xB0) Halfwidth Katakana-Hiragana Prolonged Sound Mark */
+ c = 0xB0;
+ break;
+ case 0x2B:
+ /* U+309B (0x814A) Katakana-Hiragana Voiced Sound Mark -> U+FF9E (0xDE) Halfwidth Katakana Voiced Sound Mark */
+ c = 0xDE;
+ break;
+ case 0x2C:
+ /* U+309C (0x814B) Katakana-Hiragana Semi-Voiced Sound Mark -> U+FF9F (0xDF) Halfwidth Katakana Semi-Voiced Sound Mark */
+ c = 0xDF;
+ break;
+ }
+ if (c) {
+ (*o_zconv)(JIS_X_0201_1976_K, c);
+ return;
+ }
+ } else if (c2 == 0x25) {
+ /* JISX0208 Katakana */
+ static const int fullwidth_to_halfwidth[] =
+ {
+ 0x0000, 0x2700, 0x3100, 0x2800, 0x3200, 0x2900, 0x3300, 0x2A00,
+ 0x3400, 0x2B00, 0x3500, 0x3600, 0x365E, 0x3700, 0x375E, 0x3800,
+ 0x385E, 0x3900, 0x395E, 0x3A00, 0x3A5E, 0x3B00, 0x3B5E, 0x3C00,
+ 0x3C5E, 0x3D00, 0x3D5E, 0x3E00, 0x3E5E, 0x3F00, 0x3F5E, 0x4000,
+ 0x405E, 0x4100, 0x415E, 0x2F00, 0x4200, 0x425E, 0x4300, 0x435E,
+ 0x4400, 0x445E, 0x4500, 0x4600, 0x4700, 0x4800, 0x4900, 0x4A00,
+ 0x4A5E, 0x4A5F, 0x4B00, 0x4B5E, 0x4B5F, 0x4C00, 0x4C5E, 0x4C5F,
+ 0x4D00, 0x4D5E, 0x4D5F, 0x4E00, 0x4E5E, 0x4E5F, 0x4F00, 0x5000,
+ 0x5100, 0x5200, 0x5300, 0x2C00, 0x5400, 0x2D00, 0x5500, 0x2E00,
+ 0x5600, 0x5700, 0x5800, 0x5900, 0x5A00, 0x5B00, 0x0000, 0x5C00,
+ 0x0000, 0x0000, 0x2600, 0x5D00, 0x335E, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
+ };
+ if (fullwidth_to_halfwidth[c1-0x20]){
+ c2 = fullwidth_to_halfwidth[c1-0x20];
+ (*o_zconv)(JIS_X_0201_1976_K, c2>>8);
+ if (c2 & 0xFF) {
+ (*o_zconv)(JIS_X_0201_1976_K, c2&0xFF);
+ }
+ return;
+ }
+ }
+ }
+ (*o_zconv)(c2,c1);
+}
+
+
+#define rot13(c) ( \
+ ( c < 'A') ? c: \
+ (c <= 'M') ? (c + 13): \
+ (c <= 'Z') ? (c - 13): \
+ (c < 'a') ? (c): \
+ (c <= 'm') ? (c + 13): \
+ (c <= 'z') ? (c - 13): \
+ (c) \
+ )
+
+#define rot47(c) ( \
+ ( c < '!') ? c: \
+ ( c <= 'O') ? (c + 47) : \
+ ( c <= '~') ? (c - 47) : \
+ c \
+ )
+
+static void
+rot_conv(nkf_char c2, nkf_char c1)
+{
+ if (c2 == 0 || c2 == JIS_X_0201_1976_K || c2 == ISO_8859_1) {
+ c1 = rot13(c1);
+ } else if (c2) {
+ c1 = rot47(c1);
+ c2 = rot47(c2);
+ }
+ (*o_rot_conv)(c2,c1);
+}
+
+static void
+hira_conv(nkf_char c2, nkf_char c1)
+{
+ if (hira_f & 1) {
+ if (c2 == 0x25) {
+ if (0x20 < c1 && c1 < 0x74) {
+ c2 = 0x24;
+ (*o_hira_conv)(c2,c1);
+ return;
+ } else if (c1 == 0x74 && nkf_enc_unicode_p(output_encoding)) {
+ c2 = 0;
+ c1 = nkf_char_unicode_new(0x3094);
+ (*o_hira_conv)(c2,c1);
+ return;
+ }
+ } else if (c2 == 0x21 && (c1 == 0x33 || c1 == 0x34)) {
+ c1 += 2;
+ (*o_hira_conv)(c2,c1);
+ return;
+ }
+ }
+ if (hira_f & 2) {
+ if (c2 == 0 && c1 == nkf_char_unicode_new(0x3094)) {
+ c2 = 0x25;
+ c1 = 0x74;
+ } else if (c2 == 0x24 && 0x20 < c1 && c1 < 0x74) {
+ c2 = 0x25;
+ } else if (c2 == 0x21 && (c1 == 0x35 || c1 == 0x36)) {
+ c1 -= 2;
+ }
+ }
+ (*o_hira_conv)(c2,c1);
+}
+
+
+static void
+iso2022jp_check_conv(nkf_char c2, nkf_char c1)
+{
+#define RANGE_NUM_MAX 18
+ static const nkf_char range[RANGE_NUM_MAX][2] = {
+ {0x222f, 0x2239,},
+ {0x2242, 0x2249,},
+ {0x2251, 0x225b,},
+ {0x226b, 0x2271,},
+ {0x227a, 0x227d,},
+ {0x2321, 0x232f,},
+ {0x233a, 0x2340,},
+ {0x235b, 0x2360,},
+ {0x237b, 0x237e,},
+ {0x2474, 0x247e,},
+ {0x2577, 0x257e,},
+ {0x2639, 0x2640,},
+ {0x2659, 0x267e,},
+ {0x2742, 0x2750,},
+ {0x2772, 0x277e,},
+ {0x2841, 0x287e,},
+ {0x4f54, 0x4f7e,},
+ {0x7425, 0x747e},
+ };
+ nkf_char i;
+ nkf_char 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?= */
+
+static const unsigned char *mime_pattern[] = {
+ (const unsigned char *)"\075?EUC-JP?B?",
+ (const unsigned char *)"\075?SHIFT_JIS?B?",
+ (const unsigned char *)"\075?ISO-8859-1?Q?",
+ (const unsigned char *)"\075?ISO-8859-1?B?",
+ (const unsigned char *)"\075?ISO-2022-JP?B?",
+ (const unsigned char *)"\075?ISO-2022-JP?Q?",
+#if defined(UTF8_INPUT_ENABLE)
+ (const unsigned char *)"\075?UTF-8?B?",
+ (const unsigned char *)"\075?UTF-8?Q?",
+#endif
+ (const unsigned char *)"\075?US-ASCII?Q?",
+ NULL
+};
+
+
+/* $B3:Ev$9$k%3!<%I$NM%@hEY$r>e$2$k$?$a$NL\0u(B */
+nkf_char (*mime_priority_func[])(nkf_char c2, nkf_char c1, nkf_char c0) = {
+ e_iconv, s_iconv, 0, 0, 0, 0,
+#if defined(UTF8_INPUT_ENABLE)
+ w_iconv, w_iconv,
+#endif
+ 0,
+};
+
+static const nkf_char mime_encode[] = {
+ EUC_JP, SHIFT_JIS, ISO_8859_1, ISO_8859_1, JIS_X_0208, JIS_X_0201_1976_K,
+#if defined(UTF8_INPUT_ENABLE)
+ UTF_8, UTF_8,
+#endif
+ ASCII,
+ 0
+};
+
+static const nkf_char mime_encode_method[] = {
+ 'B', 'B','Q', 'B', 'B', 'Q',
+#if defined(UTF8_INPUT_ENABLE)
+ 'B', 'Q',
+#endif
+ 'Q',
+ 0
+};
+
+
+/* MIME preprocessor fifo */
+
+#define MIME_BUF_SIZE (1024) /* 2^n ring buffer */
+#define MIME_BUF_MASK (MIME_BUF_SIZE-1)
+#define mime_input_buf(n) mime_input_state.buf[(n)&MIME_BUF_MASK]
+static struct {
+ unsigned char buf[MIME_BUF_SIZE];
+ unsigned int top;
+ unsigned int last; /* decoded */
+ unsigned int input; /* undecoded */
+} mime_input_state;
+static nkf_char (*mime_iconv_back)(nkf_char c2,nkf_char c1,nkf_char c0) = NULL;
+
+#define MAXRECOVER 20
+
+static void
+mime_input_buf_unshift(nkf_char c)
+{
+ mime_input_buf(--mime_input_state.top) = (unsigned char)c;
+}
+
+static nkf_char
+mime_ungetc(nkf_char c, FILE *f)
+{
+ mime_input_buf_unshift(c);
+ return c;
+}
+
+static nkf_char
+mime_ungetc_buf(nkf_char c, FILE *f)
+{
+ if (mimebuf_f)
+ (*i_mungetc_buf)(c,f);
+ else
+ mime_input_buf(--mime_input_state.input) = (unsigned char)c;
+ return c;
+}
+
+static nkf_char
+mime_getc_buf(FILE *f)
+{
+ /* we don't keep eof of mime_input_buf, becase it contains ?= as
+ a terminator. It was checked in mime_integrity. */
+ return ((mimebuf_f)?
+ (*i_mgetc_buf)(f):mime_input_buf(mime_input_state.input++));
+}
+
+static void
+switch_mime_getc(void)
+{
+ if (i_getc!=mime_getc) {
+ i_mgetc = i_getc; i_getc = mime_getc;
+ 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;
+ }
+ }
+}
+
+static void
+unswitch_mime_getc(void)
+{
+ if(mime_f==STRICT_MIME) {
+ i_mgetc = i_mgetc_buf;
+ i_mungetc = i_mungetc_buf;
+ }
+ i_getc = i_mgetc;
+ i_ungetc = i_mungetc;
+ if(mime_iconv_back)set_iconv(FALSE, mime_iconv_back);
+ mime_iconv_back = NULL;
+}
+
+static nkf_char
+mime_integrity(FILE *f, const unsigned char *p)
+{
+ nkf_char c,d;
+ unsigned int q;
+ /* In buffered mode, read until =? or NL or buffer full
+ */
+ mime_input_state.input = mime_input_state.top;
+ mime_input_state.last = mime_input_state.top;
+
+ while(*p) mime_input_buf(mime_input_state.input++) = *p++;
+ d = 0;
+ q = mime_input_state.input;
+ while((c=(*i_getc)(f))!=EOF) {
+ if (((mime_input_state.input-mime_input_state.top)&MIME_BUF_MASK)==0) {
+ break; /* buffer full */
+ }
+ if (c=='=' && d=='?') {
+ /* checked. skip header, start decode */
+ mime_input_buf(mime_input_state.input++) = (unsigned char)c;
+ /* mime_last_input = mime_input_state.input; */
+ mime_input_state.input = q;
+ switch_mime_getc();
+ return 1;
+ }
+ if (!( (c=='+'||c=='/'|| c=='=' || c=='?' || is_alnum(c))))
+ break;
+ /* Should we check length mod 4? */
+ mime_input_buf(mime_input_state.input++) = (unsigned char)c;
+ d=c;
+ }
+ /* In case of Incomplete MIME, no MIME decode */
+ mime_input_buf(mime_input_state.input++) = (unsigned char)c;
+ mime_input_state.last = mime_input_state.input; /* point undecoded buffer */
+ mime_decode_mode = 1; /* no decode on mime_input_buf last in mime_getc */
+ switch_mime_getc(); /* anyway we need buffered getc */
+ return 1;
+}
+
+static nkf_char
+mime_begin_strict(FILE *f)
+{
+ nkf_char c1 = 0;
+ int i,j,k;
+ const unsigned char *p,*q;
+ nkf_char r[MAXRECOVER]; /* recovery buffer, max mime pattern length */
+
+ mime_decode_mode = FALSE;
+ /* =? has been checked */
+ j = 0;
+ p = mime_pattern[j];
+ r[0]='='; r[1]='?';
+
+ for(i=2;p[i]>SP;i++) { /* start at =? */
+ if (((r[i] = c1 = (*i_getc)(f))==EOF) || nkf_toupper(c1) != p[i]) {
+ /* pattern fails, try next one */
+ q = p;
+ while (mime_pattern[++j]) {
+ p = mime_pattern[j];
+ for(k=2;k<i;k++) /* assume length(p) > i */
+ if (p[k]!=q[k]) break;
+ if (k==i && nkf_toupper(c1)==p[k]) break;
+ }
+ p = mime_pattern[j];
+ if (p) continue; /* found next one, continue */
+ /* all fails, output from recovery buffer */
+ (*i_ungetc)(c1,f);
+ for(j=0;j<i;j++) {
+ (*oconv)(0,r[j]);
+ }
+ return c1;
+ }
+ }
+ mime_decode_mode = p[i-2];
+
+ mime_iconv_back = iconv;
+ set_iconv(FALSE, mime_priority_func[j]);
+ clr_code_score(find_inputcode_byfunc(mime_priority_func[j]), SCORE_iMIME);
+
+ if (mime_decode_mode=='B') {
+ mimebuf_f = unbuf_f;
+ if (!unbuf_f) {
+ /* do MIME integrity check */
+ return mime_integrity(f,mime_pattern[j]);
+ }
+ }
+ switch_mime_getc();
+ mimebuf_f = TRUE;
+ return c1;
+}
+
+static nkf_char
+mime_begin(FILE *f)
+{
+ nkf_char 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_input_state.last;
+ mime_input_buf(mime_input_state.last++)='='; mime_input_buf(mime_input_state.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); mime_input_buf(mime_input_state.last++) = (unsigned char)c1;
+ if (c1==LF||c1==SP||c1==CR||
+ c1=='-'||c1=='_'||is_alnum(c1)) continue;
+ if (c1=='=') {
+ /* Failed. But this could be another MIME preemble */
+ (*i_ungetc)(c1,f);
+ mime_input_state.last--;
+ break;
+ }
+ if (c1!='?') break;
+ else {
+ /* c1=='?' */
+ c1 = (*i_getc)(f); mime_input_buf(mime_input_state.last++) = (unsigned char)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); mime_input_buf(mime_input_state.last++) = (unsigned char)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_input_state.last = k;
+ /* do no MIME integrity check */
+ return c1; /* used only for checking EOF */
+}
+
+#ifdef CHECK_OPTION
+static void
+no_putc(nkf_char c)
+{
+ ;
+}
+
+static void
+debug(const char *str)
+{
+ if (debug_f){
+ fprintf(stderr, "%s\n", str ? str : "NULL");
+ }
+}
+#endif
+
+static void
+set_input_codename(const char *codename)
+{
+ if (!input_codename) {
+ input_codename = codename;
+ } else if (strcmp(codename, input_codename) != 0) {
+ input_codename = "";
+ }
+}
+
+static const char*
+get_guessed_code(void)
+{
+ if (input_codename && !*input_codename) {
+ input_codename = "BINARY";
+ } else {
+ struct input_code *p = find_inputcode_byfunc(iconv);
+ if (!input_codename) {
+ input_codename = "ASCII";
+ } else if (strcmp(input_codename, "Shift_JIS") == 0) {
+ if (p->score & (SCORE_DEPEND|SCORE_CP932))
+ input_codename = "CP932";
+ } else if (strcmp(input_codename, "EUC-JP") == 0) {
+ if (p->score & (SCORE_X0212))
+ input_codename = "EUCJP-MS";
+ else if (p->score & (SCORE_DEPEND|SCORE_CP932))
+ input_codename = "CP51932";
+ } else if (strcmp(input_codename, "ISO-2022-JP") == 0) {
+ if (p->score & (SCORE_KANA))
+ input_codename = "CP50221";
+ else if (p->score & (SCORE_DEPEND|SCORE_CP932))
+ input_codename = "CP50220";
+ }
+ }
+ return input_codename;
+}
+
+#if !defined(PERL_XS) && !defined(WIN32DLL)
+static void
+print_guessed_code(char *filename)
+{
+ if (filename != NULL) printf("%s: ", filename);
+ if (input_codename && !*input_codename) {
+ printf("BINARY\n");
+ } else {
+ input_codename = get_guessed_code();
+ if (guess_f == 1) {
+ printf("%s\n", input_codename);
+ } else {
+ printf("%s%s\n",
+ input_codename,
+ input_eol == CR ? " (CR)" :
+ input_eol == LF ? " (LF)" :
+ input_eol == CRLF ? " (CRLF)" :
+ input_eol == EOF ? " (MIXED NL)" :
+ "");
+ }
+ }
+}
+#endif /*WIN32DLL*/
+
+#ifdef INPUT_OPTION
+
+static nkf_char
+hex_getc(nkf_char ch, FILE *f, nkf_char (*g)(FILE *f), nkf_char (*u)(nkf_char c, FILE *f))
+{
+ nkf_char c1, c2, c3;
+ c1 = (*g)(f);
+ if (c1 != ch){
+ return c1;
+ }
+ 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);
+}
+
+static nkf_char
+cap_getc(FILE *f)
+{
+ return hex_getc(':', f, i_cgetc, i_cungetc);
+}
+
+static nkf_char
+cap_ungetc(nkf_char c, FILE *f)
+{
+ return (*i_cungetc)(c, f);
+}
+
+static nkf_char
+url_getc(FILE *f)
+{
+ return hex_getc('%', f, i_ugetc, i_uungetc);
+}
+
+static nkf_char
+url_ungetc(nkf_char c, FILE *f)
+{
+ return (*i_uungetc)(c, f);
+}
+#endif
+
+#ifdef NUMCHAR_OPTION
+static nkf_char
+numchar_getc(FILE *f)
+{
+ nkf_char (*g)(FILE *) = i_ngetc;
+ nkf_char (*u)(nkf_char c ,FILE *f) = i_nungetc;
+ int i = 0, j;
+ nkf_char buf[8];
+ long c = -1;
+
+ buf[i] = (*g)(f);
+ if (buf[i] == '&'){
+ buf[++i] = (*g)(f);
+ if (buf[i] == '#'){
+ c = 0;
+ buf[++i] = (*g)(f);
+ if (buf[i] == 'x' || buf[i] == 'X'){
+ for (j = 0; j < 7; j++){
+ buf[++i] = (*g)(f);
+ if (!nkf_isxdigit(buf[i])){
+ if (buf[i] != ';'){
+ c = -1;
+ }
+ break;
+ }
+ c <<= 4;
+ c |= hex2bin(buf[i]);
+ }
+ }else{
+ for (j = 0; j < 8; j++){
+ if (j){
+ buf[++i] = (*g)(f);
+ }
+ if (!nkf_isdigit(buf[i])){
+ if (buf[i] != ';'){
+ c = -1;
+ }
+ break;
+ }
+ c *= 10;
+ c += hex2bin(buf[i]);
+ }
+ }
+ }
+ }
+ if (c != -1){
+ return nkf_char_unicode_new(c);
+ }
+ while (i > 0){
+ (*u)(buf[i], f);
+ --i;
+ }
+ return buf[0];
+}
+
+static nkf_char
+numchar_ungetc(nkf_char c, FILE *f)
+{
+ return (*i_nungetc)(c, f);
+}
+#endif
+
+#ifdef UNICODE_NORMALIZATION
+
+/* Normalization Form C */
+static nkf_char
+nfc_getc(FILE *f)
+{
+ nkf_char (*g)(FILE *f) = i_nfc_getc;
+ nkf_char (*u)(nkf_char c ,FILE *f) = i_nfc_ungetc;
+ int i=0, j, k=1, lower, upper;
+ nkf_char buf[9];
+ const unsigned char *array;
+
+ buf[i] = (*g)(f);
+ while (k > 0 && ((buf[i] & 0xc0) != 0x80)){
+ lower=0, upper=NORMALIZATION_TABLE_LENGTH-1;
+ while (upper >= lower) {
+ j = (lower+upper) / 2;
+ array = normalization_table[j].nfd;
+ for (k=0; k < NORMALIZATION_TABLE_NFD_LENGTH && array[k]; k++){
+ if (array[k] != buf[k]){
+ array[k] < buf[k] ? (lower = j + 1) : (upper = j - 1);
+ k = 0;
+ break;
+ } else if (k >= i)
+ buf[++i] = (*g)(f);
+ }
+ if (k > 0){
+ array = normalization_table[j].nfc;
+ for (i=0; i < NORMALIZATION_TABLE_NFC_LENGTH && array[i]; i++)
+ buf[i] = (nkf_char)(array[i]);
+ i--;
+ break;
+ }
+ }
+ while (i > 0)
+ (*u)(buf[i--], f);
+ }
+ return buf[0];
+}
+
+static nkf_char
+nfc_ungetc(nkf_char c, FILE *f)
+{
+ return (*i_nfc_ungetc)(c, f);
+}
+#endif /* UNICODE_NORMALIZATION */
+
+
+static nkf_char
+base64decode(nkf_char c)
+{
+ int i;
+ if (c > '@') {
+ if (c < '[') {
+ i = c - 'A'; /* A..Z 0-25 */
+ } else if (c == '_') {
+ i = '?' /* 63 */ ; /* _ 63 */
+ } else {
+ i = c - 'G' /* - 'a' + 26 */ ; /* a..z 26-51 */
+ }
+ } else if (c > '/') {
+ i = c - '0' + '4' /* - '0' + 52 */ ; /* 0..9 52-61 */
+ } else if (c == '+' || c == '-') {
+ i = '>' /* 62 */ ; /* + and - 62 */
+ } else {
+ i = '?' /* 63 */ ; /* / 63 */
+ }
+ return (i);
+}
+
+static nkf_char
+mime_getc(FILE *f)
+{
+ nkf_char c1, c2, c3, c4, cc;
+ nkf_char t1, t2, t3, t4, mode, exit_mode;
+ nkf_char lwsp_count;
+ char *lwsp_buf;
+ char *lwsp_buf_new;
+ nkf_char lwsp_size = 128;
+
+ if (mime_input_state.top != mime_input_state.last) { /* Something is in FIFO */
+ return mime_input_buf(mime_input_state.top++);
+ }
+ if (mime_decode_mode==1 ||mime_decode_mode==FALSE) {
+ mime_decode_mode=FALSE;
+ 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=='_' && mimebuf_f != FIXED_MIME) return SP;
+ if (c1<=SP || DEL<=c1) {
+ mime_decode_mode = exit_mode; /* prepare for quit */
+ return c1;
+ }
+ if (c1!='=' && (c1!='?' || mimebuf_f == FIXED_MIME)) {
+ return c1;
+ }
+
+ mime_decode_mode = exit_mode; /* prepare for quit */
+ if ((c2 = (*i_mgetc)(f)) == EOF) return (EOF);
+ if (c1=='?'&&c2=='=' && mimebuf_f != FIXED_MIME) {
+ /* end Q encoding */
+ input_mode = exit_mode;
+ lwsp_count = 0;
+ lwsp_buf = malloc((lwsp_size+5)*sizeof(char));
+ if (lwsp_buf==NULL) {
+ perror("can't malloc");
+ return -1;
+ }
+ while ((c1=(*i_getc)(f))!=EOF) {
+ switch (c1) {
+ case LF:
+ case CR:
+ if (c1==LF) {
+ if ((c1=(*i_getc)(f))!=EOF && (c1==SP||c1==TAB)) {
+ i_ungetc(SP,f);
+ continue;
+ } else {
+ i_ungetc(c1,f);
+ }
+ c1 = LF;
+ } else {
+ if ((c1=(*i_getc)(f))!=EOF && c1 == LF) {
+ if ((c1=(*i_getc)(f))!=EOF && (c1==SP||c1==TAB)) {
+ i_ungetc(SP,f);
+ continue;
+ } else {
+ i_ungetc(c1,f);
+ }
+ i_ungetc(LF,f);
+ } else {
+ i_ungetc(c1,f);
+ }
+ c1 = CR;
+ }
+ break;
+ case SP:
+ case TAB:
+ lwsp_buf[lwsp_count] = (unsigned char)c1;
+ if (lwsp_count++>lwsp_size){
+ lwsp_size <<= 1;
+ lwsp_buf_new = realloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
+ if (lwsp_buf_new==NULL) {
+ free(lwsp_buf);
+ perror("can't realloc");
+ return -1;
+ }
+ lwsp_buf = lwsp_buf_new;
+ }
+ continue;
+ }
+ break;
+ }
+ if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SP && lwsp_buf[lwsp_count-1] != TAB))) {
+ i_ungetc(c1,f);
+ for(lwsp_count--;lwsp_count>0;lwsp_count--)
+ i_ungetc(lwsp_buf[lwsp_count],f);
+ c1 = lwsp_buf[0];
+ }
+ free(lwsp_buf);
+ return c1;
+ }
+ if (c1=='='&&c2<SP) { /* this is soft wrap */
+ while((c1 = (*i_mgetc)(f)) <=SP) {
+ 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<=SP) return c2;
+ mime_decode_mode = 'Q'; /* still in MIME */
+ return ((hex2bin(c2)<<4) + hex2bin(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))<=SP) {
+ if (c1==EOF)
+ return (EOF);
+ }
+ mime_c2_retry:
+ if ((c2 = (*i_mgetc)(f))<=SP) {
+ if (c2==EOF)
+ return (EOF);
+ if (mime_f != STRICT_MIME) goto mime_c2_retry;
+ if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
+ return c2;
+ }
+ if ((c1 == '?') && (c2 == '=')) {
+ input_mode = ASCII;
+ lwsp_count = 0;
+ lwsp_buf = malloc((lwsp_size+5)*sizeof(char));
+ if (lwsp_buf==NULL) {
+ perror("can't malloc");
+ return -1;
+ }
+ while ((c1=(*i_getc)(f))!=EOF) {
+ switch (c1) {
+ case LF:
+ case CR:
+ if (c1==LF) {
+ if ((c1=(*i_getc)(f))!=EOF && (c1==SP||c1==TAB)) {
+ i_ungetc(SP,f);
+ continue;
+ } else {
+ i_ungetc(c1,f);
+ }
+ c1 = LF;
+ } else {
+ if ((c1=(*i_getc)(f))!=EOF) {
+ if (c1==SP) {
+ i_ungetc(SP,f);
+ continue;
+ } else if ((c1=(*i_getc)(f))!=EOF && (c1==SP||c1==TAB)) {
+ i_ungetc(SP,f);
+ continue;
+ } else {
+ i_ungetc(c1,f);
+ }
+ i_ungetc(LF,f);
+ } else {
+ i_ungetc(c1,f);
+ }
+ c1 = CR;
+ }
+ break;
+ case SP:
+ case TAB:
+ lwsp_buf[lwsp_count] = (unsigned char)c1;
+ if (lwsp_count++>lwsp_size){
+ lwsp_size <<= 1;
+ lwsp_buf_new = realloc(lwsp_buf, (lwsp_size+5)*sizeof(char));
+ if (lwsp_buf_new==NULL) {
+ free(lwsp_buf);
+ perror("can't realloc");
+ return -1;
+ }
+ lwsp_buf = lwsp_buf_new;
+ }
+ continue;
+ }
+ break;
+ }
+ if (lwsp_count > 0 && (c1 != '=' || (lwsp_buf[lwsp_count-1] != SP && lwsp_buf[lwsp_count-1] != TAB))) {
+ i_ungetc(c1,f);
+ for(lwsp_count--;lwsp_count>0;lwsp_count--)
+ i_ungetc(lwsp_buf[lwsp_count],f);
+ c1 = lwsp_buf[0];
+ }
+ free(lwsp_buf);
+ return c1;
+ }
+ mime_c3_retry:
+ if ((c3 = (*i_mgetc)(f))<=SP) {
+ if (c3==EOF)
+ return (EOF);
+ if (mime_f != STRICT_MIME) goto mime_c3_retry;
+ if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
+ return c3;
+ }
+ mime_c4_retry:
+ if ((c4 = (*i_mgetc)(f))<=SP) {
+ if (c4==EOF)
+ return (EOF);
+ if (mime_f != STRICT_MIME) goto mime_c4_retry;
+ if (mimebuf_f!=FIXED_MIME) input_mode = ASCII;
+ return c4;
+ }
+
+ 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 != '=') {
+ mime_input_buf(mime_input_state.last++) = (unsigned char)cc;
+ cc = ((t2 << 4) & 0x0f0) | ((t3 >> 2) & 0x0f);
+ if (c3 != '=') {
+ mime_input_buf(mime_input_state.last++) = (unsigned char)cc;
+ cc = ((t3 << 6) & 0x0c0) | (t4 & 0x3f);
+ if (c4 != '=')
+ mime_input_buf(mime_input_state.last++) = (unsigned char)cc;
+ }
+ } else {
+ return c1;
+ }
+ return mime_input_buf(mime_input_state.top++);
+}
+
+static const char basis_64[] =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+#define MIMEOUT_BUF_LENGTH (60)
+static struct {
+ char buf[MIMEOUT_BUF_LENGTH+1];
+ int count;
+ nkf_char state;
+} mimeout_state;
+
+/*nkf_char mime_lastchar2, mime_lastchar1;*/
+
+static void
+open_mime(nkf_char mode)
+{
+ const unsigned char *p;
+ int i;
+ int j;
+ p = mime_pattern[0];
+ for(i=0;mime_pattern[i];i++) {
+ if (mode == mime_encode[i]) {
+ p = mime_pattern[i];
+ break;
+ }
+ }
+ mimeout_mode = mime_encode_method[i];
+ i = 0;
+ if (base64_count>45) {
+ if (mimeout_state.count>0 && nkf_isblank(mimeout_state.buf[i])){
+ (*o_mputc)(mimeout_state.buf[i]);
+ i++;
+ }
+ PUT_NEWLINE((*o_mputc));
+ (*o_mputc)(SP);
+ base64_count = 1;
+ if (mimeout_state.count>0
+ && (mimeout_state.buf[i]==SP || mimeout_state.buf[i]==TAB
+ || mimeout_state.buf[i]==CR || mimeout_state.buf[i]==LF)) {
+ i++;
+ }
+ }
+ for (;i<mimeout_state.count;i++) {
+ if (mimeout_state.buf[i]==SP || mimeout_state.buf[i]==TAB
+ || mimeout_state.buf[i]==CR || mimeout_state.buf[i]==LF) {
+ (*o_mputc)(mimeout_state.buf[i]);
+ base64_count ++;
+ } else {
+ break;
+ }
+ }
+ while(*p) {
+ (*o_mputc)(*p++);
+ base64_count ++;
+ }
+ j = mimeout_state.count;
+ mimeout_state.count = 0;
+ for (;i<j;i++) {
+ mime_putc(mimeout_state.buf[i]);
+ }
+}
+
+static void
+mime_prechar(nkf_char c2, nkf_char c1)
+{
+ if (mimeout_mode > 0){
+ if (c2 == EOF){
+ if (base64_count + mimeout_state.count/3*4> 73){
+ (*o_base64conv)(EOF,0);
+ OCONV_NEWLINE((*o_base64conv));
+ (*o_base64conv)(0,SP);
+ base64_count = 1;
+ }
+ } else {
+ if (base64_count + mimeout_state.count/3*4> 66) {
+ (*o_base64conv)(EOF,0);
+ OCONV_NEWLINE((*o_base64conv));
+ (*o_base64conv)(0,SP);
+ base64_count = 1;
+ mimeout_mode = -1;
+ }
+ }
+ } else if (c2) {
+ if (c2 != EOF && base64_count + mimeout_state.count/3*4> 60) {
+ mimeout_mode = (output_mode==ASCII ||output_mode == ISO_8859_1) ? 'Q' : 'B';
+ open_mime(output_mode);
+ (*o_base64conv)(EOF,0);
+ OCONV_NEWLINE((*o_base64conv));
+ (*o_base64conv)(0,SP);
+ base64_count = 1;
+ mimeout_mode = -1;
+ }
+ }
+}
+
+static void
+close_mime(void)
+{
+ (*o_mputc)('?');
+ (*o_mputc)('=');
+ base64_count += 2;
+ mimeout_mode = 0;
+}
+
+static void
+eof_mime(void)
+{
+ switch(mimeout_mode) {
+ case 'Q':
+ case 'B':
+ break;
+ case 2:
+ (*o_mputc)(basis_64[((mimeout_state.state & 0x3)<< 4)]);
+ (*o_mputc)('=');
+ (*o_mputc)('=');
+ base64_count += 3;
+ break;
+ case 1:
+ (*o_mputc)(basis_64[((mimeout_state.state & 0xF) << 2)]);
+ (*o_mputc)('=');
+ base64_count += 2;
+ break;
+ }
+ if (mimeout_mode > 0) {
+ if (mimeout_f!=FIXED_MIME) {
+ close_mime();
+ } else if (mimeout_mode != 'Q')
+ mimeout_mode = 'B';
+ }
+}
+
+static void
+mimeout_addchar(nkf_char c)
+{
+ switch(mimeout_mode) {
+ case 'Q':
+ if (c==CR||c==LF) {
+ (*o_mputc)(c);
+ base64_count = 0;
+ } else if(!nkf_isalnum(c)) {
+ (*o_mputc)('=');
+ (*o_mputc)(bin2hex(((c>>4)&0xf)));
+ (*o_mputc)(bin2hex((c&0xf)));
+ base64_count += 3;
+ } else {
+ (*o_mputc)(c);
+ base64_count++;
+ }
+ break;
+ case 'B':
+ mimeout_state.state=c;
+ (*o_mputc)(basis_64[c>>2]);
+ mimeout_mode=2;
+ base64_count ++;
+ break;
+ case 2:
+ (*o_mputc)(basis_64[((mimeout_state.state & 0x3)<< 4) | ((c & 0xF0) >> 4)]);
+ mimeout_state.state=c;
+ mimeout_mode=1;
+ base64_count ++;
+ break;
+ case 1:
+ (*o_mputc)(basis_64[((mimeout_state.state & 0xF) << 2) | ((c & 0xC0) >>6)]);
+ (*o_mputc)(basis_64[c & 0x3F]);
+ mimeout_mode='B';
+ base64_count += 2;
+ break;
+ default:
+ (*o_mputc)(c);
+ base64_count++;
+ break;
+ }
+}
+
+static void
+mime_putc(nkf_char c)
+{
+ int i, j;
+ nkf_char lastchar;
+
+ if (mimeout_f == FIXED_MIME){
+ if (mimeout_mode == 'Q'){
+ if (base64_count > 71){
+ if (c!=CR && c!=LF) {
+ (*o_mputc)('=');
+ PUT_NEWLINE((*o_mputc));
+ }
+ base64_count = 0;
+ }
+ }else{
+ if (base64_count > 71){
+ eof_mime();
+ PUT_NEWLINE((*o_mputc));
+ base64_count = 0;
+ }
+ if (c == EOF) { /* c==EOF */
+ eof_mime();
+ }
+ }
+ if (c != EOF) { /* c==EOF */
+ mimeout_addchar(c);
+ }
+ return;
+ }
+
+ /* mimeout_f != FIXED_MIME */
+
+ if (c == EOF) { /* c==EOF */
+ if (mimeout_mode == -1 && mimeout_state.count > 1) open_mime(output_mode);
+ j = mimeout_state.count;
+ mimeout_state.count = 0;
+ i = 0;
+ if (mimeout_mode > 0) {
+ if (!nkf_isblank(mimeout_state.buf[j-1])) {
+ for (;i<j;i++) {
+ if (nkf_isspace(mimeout_state.buf[i]) && base64_count < 71){
+ break;
+ }
+ mimeout_addchar(mimeout_state.buf[i]);
+ }
+ eof_mime();
+ for (;i<j;i++) {
+ mimeout_addchar(mimeout_state.buf[i]);
+ }
+ } else {
+ for (;i<j;i++) {
+ mimeout_addchar(mimeout_state.buf[i]);
+ }
+ eof_mime();
+ }
+ } else {
+ for (;i<j;i++) {
+ mimeout_addchar(mimeout_state.buf[i]);
+ }
+ }
+ return;
+ }
+
+ if (mimeout_state.count > 0){
+ lastchar = mimeout_state.buf[mimeout_state.count - 1];
+ }else{
+ lastchar = -1;
+ }
+
+ if (mimeout_mode=='Q') {
+ if (c <= DEL && (output_mode==ASCII ||output_mode == ISO_8859_1)) {
+ if (c == CR || c == LF) {
+ close_mime();
+ (*o_mputc)(c);
+ base64_count = 0;
+ return;
+ } else if (c <= SP) {
+ close_mime();
+ if (base64_count > 70) {
+ PUT_NEWLINE((*o_mputc));
+ base64_count = 0;
+ }
+ if (!nkf_isblank(c)) {
+ (*o_mputc)(SP);
+ base64_count++;
+ }
+ } else {
+ if (base64_count > 70) {
+ close_mime();
+ PUT_NEWLINE((*o_mputc));
+ (*o_mputc)(SP);
+ base64_count = 1;
+ open_mime(output_mode);
+ }
+ if (!nkf_noescape_mime(c)) {
+ mimeout_addchar(c);
+ return;
+ }
+ }
+ (*o_mputc)(c);
+ base64_count++;
+ }
+ return;
+ }
+
+ if (mimeout_mode <= 0) {
+ if (c <= DEL && (output_mode==ASCII ||output_mode == ISO_8859_1)) {
+ if (nkf_isspace(c)) {
+ int flag = 0;
+ if (mimeout_mode == -1) {
+ flag = 1;
+ }
+ if (c==CR || c==LF) {
+ if (flag) {
+ open_mime(output_mode);
+ output_mode = 0;
+ } else {
+ base64_count = 0;
+ }
+ }
+ for (i=0;i<mimeout_state.count;i++) {
+ (*o_mputc)(mimeout_state.buf[i]);
+ if (mimeout_state.buf[i] == CR || mimeout_state.buf[i] == LF){
+ base64_count = 0;
+ }else{
+ base64_count++;
+ }
+ }
+ if (flag) {
+ eof_mime();
+ base64_count = 0;
+ mimeout_mode = 0;
+ }
+ mimeout_state.buf[0] = (char)c;
+ mimeout_state.count = 1;
+ }else{
+ if (base64_count > 1
+ && base64_count + mimeout_state.count > 76
+ && mimeout_state.buf[0] != CR && mimeout_state.buf[0] != LF){
+ PUT_NEWLINE((*o_mputc));
+ base64_count = 0;
+ if (!nkf_isspace(mimeout_state.buf[0])){
+ (*o_mputc)(SP);
+ base64_count++;
+ }
+ }
+ mimeout_state.buf[mimeout_state.count++] = (char)c;
+ if (mimeout_state.count>MIMEOUT_BUF_LENGTH) {
+ open_mime(output_mode);
+ }
+ }
+ return;
+ }else{
+ if (lastchar==CR || lastchar == LF){
+ for (i=0;i<mimeout_state.count;i++) {
+ (*o_mputc)(mimeout_state.buf[i]);
+ }
+ base64_count = 0;
+ mimeout_state.count = 0;
+ }
+ if (lastchar==SP) {
+ for (i=0;i<mimeout_state.count-1;i++) {
+ (*o_mputc)(mimeout_state.buf[i]);
+ base64_count++;
+ }
+ mimeout_state.buf[0] = SP;
+ mimeout_state.count = 1;
+ }
+ open_mime(output_mode);
+ }
+ }else{
+ /* mimeout_mode == 'B', 1, 2 */
+ if ( c<=DEL && (output_mode==ASCII ||output_mode == ISO_8859_1)) {
+ if (lastchar == CR || lastchar == LF){
+ if (nkf_isblank(c)) {
+ for (i=0;i<mimeout_state.count;i++) {
+ mimeout_addchar(mimeout_state.buf[i]);
+ }
+ mimeout_state.count = 0;
+ } else if (SP<c && c<DEL) {
+ eof_mime();
+ for (i=0;i<mimeout_state.count;i++) {
+ (*o_mputc)(mimeout_state.buf[i]);
+ }
+ base64_count = 0;
+ mimeout_state.count = 0;
+ }
+ mimeout_state.buf[mimeout_state.count++] = (char)c;
+ return;
+ }
+ if (c==SP || c==TAB || c==CR || c==LF) {
+ for (i=0;i<mimeout_state.count;i++) {
+ if (SP<mimeout_state.buf[i] && mimeout_state.buf[i]<DEL) {
+ eof_mime();
+ for (i=0;i<mimeout_state.count;i++) {
+ (*o_mputc)(mimeout_state.buf[i]);
+ base64_count++;
+ }
+ mimeout_state.count = 0;
+ }
+ }
+ mimeout_state.buf[mimeout_state.count++] = (char)c;
+ if (mimeout_state.count>MIMEOUT_BUF_LENGTH) {
+ eof_mime();
+ for (i=0;i<mimeout_state.count;i++) {
+ (*o_mputc)(mimeout_state.buf[i]);
+ base64_count++;
+ }
+ mimeout_state.count = 0;
+ }
+ return;
+ }
+ if (mimeout_state.count>0 && SP<c && c!='=') {
+ mimeout_state.buf[mimeout_state.count++] = (char)c;
+ if (mimeout_state.count>MIMEOUT_BUF_LENGTH) {
+ j = mimeout_state.count;
+ mimeout_state.count = 0;
+ for (i=0;i<j;i++) {
+ mimeout_addchar(mimeout_state.buf[i]);
+ }
+ }
+ return;
+ }
+ }
+ }
+ if (mimeout_state.count>0) {
+ j = mimeout_state.count;
+ mimeout_state.count = 0;
+ for (i=0;i<j;i++) {
+ if (mimeout_state.buf[i]==CR || mimeout_state.buf[i]==LF)
+ break;
+ mimeout_addchar(mimeout_state.buf[i]);
+ }
+ if (i<j) {
+ eof_mime();
+ base64_count=0;
+ for (;i<j;i++) {
+ (*o_mputc)(mimeout_state.buf[i]);
+ }
+ open_mime(output_mode);
+ }
+ }
+ mimeout_addchar(c);
+}
+
+static void
+base64_conv(nkf_char c2, nkf_char c1)
+{
+ mime_prechar(c2, c1);
+ (*o_base64conv)(c2,c1);
+}
+
+#ifdef HAVE_ICONV_H
+typedef struct nkf_iconv_t {
+ iconv_t cd;
+ char *input_buffer;
+ size_t input_buffer_size;
+ char *output_buffer;
+ size_t output_buffer_size;
+}
+
+static nkf_iconv_t
+nkf_iconv_new(char *tocode, char *fromcode)
+{
+ nkf_iconv_t converter;
+
+ converter->input_buffer_size = IOBUF_SIZE;
+ converter->input_buffer = malloc(converter->input_buffer_size);
+ if (converter->input_buffer == NULL)
+ perror("can't malloc");
+
+ converter->output_buffer_size = IOBUF_SIZE * 2;
+ converter->output_buffer = malloc(converter->output_buffer_size);
+ if (converter->output_buffer == NULL)
+ perror("can't malloc");
+
+ converter->cd = iconv_open(tocode, fromcode);
+ if (converter->cd == (iconv_t)-1)
+ {
+ switch (errno) {
+ case EINVAL:
+ perror(fprintf("iconv doesn't support %s to %s conversion.", fromcode, tocode));
+ return -1;
+ default:
+ perror("can't iconv_open");
+ }
+ }
+}
+
+static size_t
+nkf_iconv_convert(nkf_iconv_t *converter, FILE *input)
+{
+ size_t invalid = (size_t)0;
+ char *input_buffer = converter->input_buffer;
+ size_t input_length = (size_t)0;
+ char *output_buffer = converter->output_buffer;
+ size_t output_length = converter->output_buffer_size;
+ int c;
+
+ do {
+ if (c != EOF) {
+ while ((c = (*i_getc)(f)) != EOF) {
+ input_buffer[input_length++] = c;
+ if (input_length < converter->input_buffer_size) break;
+ }
+ }
+
+ size_t ret = iconv(converter->cd, &input_buffer, &input_length, &output_buffer, &output_length);
+ while (output_length-- > 0) {
+ (*o_putc)(output_buffer[converter->output_buffer_size-output_length]);
+ }
+ if (ret == (size_t) - 1) {
+ switch (errno) {
+ case EINVAL:
+ if (input_buffer != converter->input_buffer)
+ memmove(converter->input_buffer, input_buffer, input_length);
+ break;
+ case E2BIG:
+ converter->output_buffer_size *= 2;
+ output_buffer = realloc(converter->outbuf, converter->output_buffer_size);
+ if (output_buffer == NULL) {
+ perror("can't realloc");
+ return -1;
+ }
+ converter->output_buffer = output_buffer;
+ break;
+ default:
+ perror("can't iconv");
+ return -1;
+ }
+ } else {
+ invalid += ret;
+ }
+ } while (1);
+
+ return invalid;
+}
+
+
+static void
+nkf_iconv_close(nkf_iconv_t *convert)
+{
+ free(converter->inbuf);
+ free(converter->outbuf);
+ iconv_close(converter->cd);
+}
+#endif
+
+
+static void
+reinit(void)
+{
+ {
+ struct input_code *p = input_code_list;
+ while (p->name){
+ status_reinit(p++);
+ }
+ }
+ unbuf_f = FALSE;
+ estab_f = FALSE;
+ nop_f = FALSE;
+ binmode_f = TRUE;
+ rot_f = FALSE;
+ hira_f = FALSE;
+ alpha_f = FALSE;
+ mime_f = MIME_DECODE_DEFAULT;
+ mime_decode_f = FALSE;
+ mimebuf_f = FALSE;
+ broken_f = FALSE;
+ iso8859_f = FALSE;
+ mimeout_f = FALSE;
+ x0201_f = X0201_DEFAULT;
+ iso2022jp_f = FALSE;
+#if defined(UTF8_INPUT_ENABLE) || defined(UTF8_OUTPUT_ENABLE)
+ ms_ucs_map_f = UCS_MAP_ASCII;
+#endif
+#ifdef UTF8_INPUT_ENABLE
+ no_cp932ext_f = FALSE;
+ no_best_fit_chars_f = FALSE;
+ encode_fallback = NULL;
+ unicode_subchar = '?';
+ input_endian = ENDIAN_BIG;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ output_bom_f = FALSE;
+ output_endian = ENDIAN_BIG;
+#endif
+#ifdef UNICODE_NORMALIZATION
+ nfc_f = FALSE;
+#endif
+#ifdef INPUT_OPTION
+ cap_f = FALSE;
+ url_f = FALSE;
+ numchar_f = FALSE;
+#endif
+#ifdef CHECK_OPTION
+ noout_f = FALSE;
+ debug_f = FALSE;
+#endif
+ guess_f = 0;
+#ifdef EXEC_IO
+ exec_f = 0;
+#endif
+#ifdef SHIFTJIS_CP932
+ cp51932_f = TRUE;
+ cp932inv_f = TRUE;
+#endif
+#ifdef X0212_ENABLE
+ x0212_f = FALSE;
+ x0213_f = FALSE;
+#endif
+ {
+ int i;
+ for (i = 0; i < 256; i++){
+ prefix_table[i] = 0;
+ }
+ }
+ hold_count = 0;
+ mimeout_state.count = 0;
+ mimeout_mode = 0;
+ base64_count = 0;
+ f_line = 0;
+ f_prev = 0;
+ fold_preserve_f = FALSE;
+ fold_f = FALSE;
+ fold_len = 0;
+ kanji_intro = DEFAULT_J;
+ ascii_intro = DEFAULT_R;
+ fold_margin = FOLD_MARGIN;
+ o_zconv = no_connection;
+ o_fconv = no_connection;
+ o_eol_conv = no_connection;
+ o_rot_conv = no_connection;
+ o_hira_conv = no_connection;
+ o_base64conv = no_connection;
+ o_iso2022jp_check_conv = no_connection;
+ o_putc = std_putc;
+ i_getc = std_getc;
+ i_ungetc = std_ungetc;
+ i_bgetc = std_getc;
+ i_bungetc = std_ungetc;
+ o_mputc = std_putc;
+ i_mgetc = std_getc;
+ i_mungetc = std_ungetc;
+ i_mgetc_buf = std_getc;
+ i_mungetc_buf = std_ungetc;
+ output_mode = ASCII;
+ input_mode = ASCII;
+ mime_decode_mode = FALSE;
+ file_out_f = FALSE;
+ eolmode_f = 0;
+ input_eol = 0;
+ prev_cr = 0;
+ option_mode = 0;
+ init_broken_state();
+ z_prev2=0,z_prev1=0;
+#ifdef CHECK_OPTION
+ iconv_for_check = 0;
+#endif
+ input_codename = NULL;
+ input_encoding = NULL;
+ output_encoding = NULL;
+#ifdef WIN32DLL
+ reinitdll();
+#endif /*WIN32DLL*/
+}
+
+static int
+module_connection(void)
+{
+ if (input_encoding) set_input_encoding(input_encoding);
+ if (!output_encoding) {
+ output_encoding = nkf_default_encoding();
+ }
+ if (!output_encoding) {
+ if (noout_f || guess_f) output_encoding = nkf_enc_from_index(ISO_2022_JP);
+ else return -1;
+ }
+ set_output_encoding(output_encoding);
+ oconv = nkf_enc_to_oconv(output_encoding);
+ o_putc = std_putc;
+
+ /* replace continucation module, from output side */
+
+ /* output redicrection */
+#ifdef CHECK_OPTION
+ if (noout_f || guess_f){
+ o_putc = no_putc;
+ }
+#endif
+ if (mimeout_f) {
+ o_mputc = o_putc;
+ o_putc = mime_putc;
+ if (mimeout_f == TRUE) {
+ o_base64conv = oconv; oconv = base64_conv;
+ }
+ /* base64_count = 0; */
+ }
+
+ if (eolmode_f || guess_f) {
+ o_eol_conv = oconv; oconv = eol_conv;
+ }
+ if (rot_f) {
+ o_rot_conv = oconv; oconv = rot_conv;
+ }
+ if (iso2022jp_f) {
+ o_iso2022jp_check_conv = oconv; oconv = iso2022jp_check_conv;
+ }
+ if (hira_f) {
+ o_hira_conv = oconv; oconv = hira_conv;
+ }
+ if (fold_f) {
+ o_fconv = oconv; oconv = fold_conv;
+ f_line = 0;
+ }
+ if (alpha_f || x0201_f) {
+ o_zconv = oconv; oconv = z_conv;
+ }
+
+ i_getc = std_getc;
+ i_ungetc = std_ungetc;
+ /* input redicrection */
+#ifdef INPUT_OPTION
+ if (cap_f){
+ i_cgetc = i_getc; i_getc = cap_getc;
+ i_cungetc = i_ungetc; i_ungetc= cap_ungetc;
+ }
+ if (url_f){
+ i_ugetc = i_getc; i_getc = url_getc;
+ i_uungetc = i_ungetc; i_ungetc= url_ungetc;
+ }
+#endif
+#ifdef NUMCHAR_OPTION
+ if (numchar_f){
+ i_ngetc = i_getc; i_getc = numchar_getc;
+ i_nungetc = i_ungetc; i_ungetc= numchar_ungetc;
+ }
+#endif
+#ifdef UNICODE_NORMALIZATION
+ if (nfc_f){
+ i_nfc_getc = i_getc; i_getc = nfc_getc;
+ i_nfc_ungetc = i_ungetc; i_ungetc= nfc_ungetc;
+ }
+#endif
+ if (mime_f && mimebuf_f==FIXED_MIME) {
+ i_mgetc = i_getc; i_getc = mime_getc;
+ i_mungetc = i_ungetc; i_ungetc = mime_ungetc;
+ }
+ if (broken_f & 1) {
+ i_bgetc = i_getc; i_getc = broken_getc;
+ i_bungetc = i_ungetc; i_ungetc = broken_ungetc;
+ }
+ if (input_encoding) {
+ set_iconv(-TRUE, nkf_enc_to_iconv(input_encoding));
+ } else {
+ set_iconv(FALSE, e_iconv);
+ }
+
+ {
+ struct input_code *p = input_code_list;
+ while (p->name){
+ status_reinit(p++);
+ }
+ }
+ return 0;
+}
+
+/*
+ Conversion main loop. Code detection only.
+ */
+
+#if !defined(PERL_XS) && !defined(WIN32DLL)
+static nkf_char
+noconvert(FILE *f)
+{
+ nkf_char c;
+
+ if (nop_f == 2)
+ module_connection();
+ while ((c = (*i_getc)(f)) != EOF)
+ (*o_putc)(c);
+ (*o_putc)(EOF);
+ return 1;
+}
+#endif
+
+#define NEXT continue /* no output, get next */
+#define SKIP c2=0;continue /* no output, get next */
+#define MORE c2=c1;continue /* need one more byte */
+#define SEND ; /* output c1 and c2, get next */
+#define LAST break /* end of loop, go closing */
+#define set_input_mode(mode) do { \
+ input_mode = mode; \
+ shift_mode = 0; \
+ set_input_codename("ISO-2022-JP"); \
+ debug("ISO-2022-JP"); \
+} while (0)
+
+static int
+kanji_convert(FILE *f)
+{
+ nkf_char c1=0, c2=0, c3=0, c4=0;
+ int shift_mode = 0; /* 0, 1, 2, 3 */
+ char g2 = 0;
+ int is_8bit = FALSE;
+
+ if (input_encoding && !nkf_enc_asciicompat(input_encoding)) {
+ is_8bit = TRUE;
+ }
+
+ input_mode = ASCII;
+ output_mode = ASCII;
+
+ if (module_connection() < 0) {
+#if !defined(PERL_XS) && !defined(WIN32DLL)
+ fprintf(stderr, "no output encoding given\n");
+#endif
+ return -1;
+ }
+ check_bom(f);
+
+#ifdef UTF8_INPUT_ENABLE
+ if(iconv == w_iconv32){
+ while ((c1 = (*i_getc)(f)) != EOF &&
+ (c2 = (*i_getc)(f)) != EOF &&
+ (c3 = (*i_getc)(f)) != EOF &&
+ (c4 = (*i_getc)(f)) != EOF) {
+ nkf_iconv_utf_32(c1, c2, c3, c4);
+ }
+ (*i_ungetc)(EOF, f);
+ }
+ else if (iconv == w_iconv16) {
+ while ((c1 = (*i_getc)(f)) != EOF &&
+ (c2 = (*i_getc)(f)) != EOF) {
+ if (nkf_iconv_utf_16(c1, c2, 0, 0) == -2 &&
+ (c3 = (*i_getc)(f)) != EOF &&
+ (c4 = (*i_getc)(f)) != EOF) {
+ nkf_iconv_utf_16(c1, c2, c3, c4);
+ }
+ }
+ (*i_ungetc)(EOF, f);
+ }
+#endif
+
+ while ((c1 = (*i_getc)(f)) != EOF) {
+#ifdef INPUT_CODE_FIX
+ if (!input_encoding)
+#endif
+ code_status(c1);
+ if (c2) {
+ /* second byte */
+ if (c2 > DEL) {
+ /* in case of 8th bit is on */
+ if (!estab_f&&!mime_decode_mode) {
+ /* in case of not established yet */
+ /* It is still ambiguious */
+ if (h_conv(f, c2, c1)==EOF) {
+ LAST;
+ }
+ else {
+ SKIP;
+ }
+ }
+ else {
+ /* in case of already established */
+ if (c1 < 0x40) {
+ /* ignore bogus code */
+ SKIP;
+ } else {
+ SEND;
+ }
+ }
+ }
+ else {
+ /* 2nd byte of 7 bit code or SJIS */
+ SEND;
+ }
+ }
+ else {
+ /* first byte */
+ if (input_mode == JIS_X_0208 && DEL <= c1 && c1 < 0x92) {
+ /* CP5022x */
+ MORE;
+ } else if (c1 > DEL) {
+ /* 8 bit code */
+ if (!estab_f && !iso8859_f) {
+ /* not established yet */
+ MORE;
+ } else { /* estab_f==TRUE */
+ if (iso8859_f) {
+ c2 = ISO_8859_1;
+ c1 &= 0x7f;
+ SEND;
+ }
+ else if ((iconv == s_iconv && 0xA0 <= c1 && c1 <= 0xDF) ||
+ (ms_ucs_map_f == UCS_MAP_CP10001 && (c1 == 0xFD || c1 == 0xFE))) {
+ /* JIS X 0201 */
+ c2 = JIS_X_0201_1976_K;
+ c1 &= 0x7f;
+ SEND;
+ }
+ else {
+ /* already established */
+ MORE;
+ }
+ }
+ } else if (SP < c1 && c1 < DEL) {
+ /* in case of Roman characters */
+ if (shift_mode) {
+ /* output 1 shifted byte */
+ if (iso8859_f) {
+ c2 = ISO_8859_1;
+ SEND;
+ } else if (nkf_byte_jisx0201_katakana_p(c1)){
+ /* output 1 shifted byte */
+ c2 = JIS_X_0201_1976_K;
+ SEND;
+ } else {
+ /* look like bogus code */
+ SKIP;
+ }
+ } else if (input_mode == JIS_X_0208 || input_mode == JIS_X_0212 ||
+ input_mode == JIS_X_0213_1 || input_mode == JIS_X_0213_2) {
+ /* in case of Kanji shifted */
+ MORE;
+ } else if (c1 == '=' && mime_f && !mime_decode_mode) {
+ /* Check MIME code */
+ if ((c1 = (*i_getc)(f)) == EOF) {
+ (*oconv)(0, '=');
+ LAST;
+ } else if (c1 == '?') {
+ /* =? is mime conversion start sequence */
+ if(mime_f == STRICT_MIME) {
+ /* check in real detail */
+ if (mime_begin_strict(f) == EOF)
+ LAST;
+ SKIP;
+ } else if (mime_begin(f) == EOF)
+ LAST;
+ SKIP;
+ } else {
+ (*oconv)(0, '=');
+ (*i_ungetc)(c1,f);
+ SKIP;
+ }
+ } else {
+ /* normal ASCII code */
+ SEND;
+ }
+ } else if (c1 == SI && (!is_8bit || mime_decode_mode)) {
+ shift_mode = 0;
+ SKIP;
+ } else if (c1 == SO && (!is_8bit || mime_decode_mode)) {
+ shift_mode = 1;
+ SKIP;
+ } else if (c1 == ESC && (!is_8bit || mime_decode_mode)) {
+ if ((c1 = (*i_getc)(f)) == EOF) {
+ /* (*oconv)(0, ESC); don't send bogus code */
+ LAST;
+ }
+ else if (c1 == '&') {
+ /* IRR */
+ if ((c1 = (*i_getc)(f)) == EOF) {
+ LAST;
+ } else {
+ SKIP;
+ }
+ }
+ else if (c1 == '$') {
+ /* GZDMx */
+ if ((c1 = (*i_getc)(f)) == EOF) {
+ /* don't send bogus code
+ (*oconv)(0, ESC);
+ (*oconv)(0, '$'); */
+ LAST;
+ } else if (c1 == '@' || c1 == 'B') {
+ /* JIS X 0208 */
+ set_input_mode(JIS_X_0208);
+ SKIP;
+ } else if (c1 == '(') {
+ /* GZDM4 */
+ if ((c1 = (*i_getc)(f)) == EOF) {
+ /* don't send bogus code
+ (*oconv)(0, ESC);
+ (*oconv)(0, '$');
+ (*oconv)(0, '(');
+ */
+ LAST;
+ } else if (c1 == '@'|| c1 == 'B') {
+ /* JIS X 0208 */
+ set_input_mode(JIS_X_0208);
+ SKIP;
+#ifdef X0212_ENABLE
+ } else if (c1 == 'D'){
+ set_input_mode(JIS_X_0212);
+ SKIP;
+#endif /* X0212_ENABLE */
+ } else if (c1 == 'O' || c1 == 'Q'){
+ set_input_mode(JIS_X_0213_1);
+ SKIP;
+ } else if (c1 == 'P'){
+ set_input_mode(JIS_X_0213_2);
+ SKIP;
+ } else {
+ /* could be some special code */
+ (*oconv)(0, ESC);
+ (*oconv)(0, '$');
+ (*oconv)(0, '(');
+ (*oconv)(0, c1);
+ SKIP;
+ }
+ } else if (broken_f&0x2) {
+ /* accept any ESC-(-x as broken code ... */
+ input_mode = JIS_X_0208;
+ shift_mode = 0;
+ SKIP;
+ } else {
+ (*oconv)(0, ESC);
+ (*oconv)(0, '$');
+ (*oconv)(0, c1);
+ SKIP;
+ }
+ } else if (c1 == '(') {
+ /* GZD4 */
+ if ((c1 = (*i_getc)(f)) == EOF) {
+ /* don't send bogus code
+ (*oconv)(0, ESC);
+ (*oconv)(0, '('); */
+ LAST;
+ }
+ else if (c1 == 'I') {
+ /* JIS X 0201 Katakana */
+ set_input_mode(JIS_X_0201_1976_K);
+ SKIP;
+ }
+ else if (c1 == 'B' || c1 == 'J' || c1 == 'H') {
+ /* ISO-646IRV:1983 or JIS X 0201 Roman or JUNET */
+ set_input_mode(ASCII);
+ SKIP;
+ }
+ else if (broken_f&0x2) {
+ set_input_mode(ASCII);
+ SKIP;
+ }
+ else {
+ (*oconv)(0, ESC);
+ (*oconv)(0, '(');
+ SEND;
+ }
+ }
+ else if (c1 == '.') {
+ /* G2D6 */
+ if ((c1 = (*i_getc)(f)) == EOF) {
+ LAST;
+ }
+ else if (c1 == 'A') {
+ /* ISO-8859-1 */
+ g2 = ISO_8859_1;
+ SKIP;
+ }
+ else {
+ (*oconv)(0, ESC);
+ (*oconv)(0, '.');
+ SEND;
+ }
+ }
+ else if (c1 == 'N') {
+ /* SS2 */
+ c1 = (*i_getc)(f);
+ if (g2 == ISO_8859_1) {
+ c2 = ISO_8859_1;
+ SEND;
+ }else{
+ (*i_ungetc)(c1, f);
+ /* lonely ESC */
+ (*oconv)(0, ESC);
+ SEND;
+ }
+ }
+ else {
+ /* lonely ESC */
+ (*oconv)(0, ESC);
+ SEND;
+ }
+ } else if (c1 == ESC && iconv == s_iconv) {
+ /* ESC in Shift_JIS */
+ if ((c1 = (*i_getc)(f)) == EOF) {
+ /* (*oconv)(0, ESC); don't send bogus code */
+ LAST;
+ } else if (c1 == '$') {
+ /* J-PHONE emoji */
+ if ((c1 = (*i_getc)(f)) == EOF) {
+ LAST;
+ } else if (('E' <= c1 && c1 <= 'G') ||
+ ('O' <= c1 && c1 <= 'Q')) {
+ /*
+ NUM : 0 1 2 3 4 5
+ BYTE: G E F O P Q
+ C%7 : 1 6 0 2 3 4
+ C%7 : 0 1 2 3 4 5 6
+ NUM : 2 0 3 4 5 X 1
+ */
+ static const int jphone_emoji_first_table[7] =
+ {0xE1E0, 0xDFE0, 0xE2E0, 0xE3E0, 0xE4E0, 0xDFE0, 0xE0E0};
+ c3 = nkf_char_unicode_new(jphone_emoji_first_table[c1 % 7]);
+ if ((c1 = (*i_getc)(f)) == EOF) LAST;
+ while (SP <= c1 && c1 <= 'z') {
+ (*oconv)(0, c1 + c3);
+ if ((c1 = (*i_getc)(f)) == EOF) LAST;
+ }
+ SKIP;
+ }
+ else {
+ (*oconv)(0, ESC);
+ (*oconv)(0, '$');
+ SEND;
+ }
+ }
+ else {
+ /* lonely ESC */
+ (*oconv)(0, ESC);
+ SEND;
+ }
+ } else if (c1 == LF || c1 == CR) {
+ if (broken_f&4) {
+ input_mode = ASCII; set_iconv(FALSE, 0);
+ SEND;
+ } else if (mime_decode_f && !mime_decode_mode){
+ if (c1 == LF) {
+ if ((c1=(*i_getc)(f))!=EOF && c1 == SP) {
+ i_ungetc(SP,f);
+ continue;
+ } else {
+ i_ungetc(c1,f);
+ }
+ c1 = LF;
+ SEND;
+ } else { /* if (c1 == CR)*/
+ if ((c1=(*i_getc)(f))!=EOF) {
+ if (c1==SP) {
+ i_ungetc(SP,f);
+ continue;
+ } else if (c1 == LF && (c1=(*i_getc)(f))!=EOF && c1 == SP) {
+ i_ungetc(SP,f);
+ continue;
+ } else {
+ i_ungetc(c1,f);
+ }
+ i_ungetc(LF,f);
+ } else {
+ i_ungetc(c1,f);
+ }
+ c1 = CR;
+ SEND;
+ }
+ }
+ } else
+ SEND;
+ }
+ /* send: */
+ switch(input_mode){
+ case ASCII:
+ switch ((*iconv)(c2, c1, 0)) { /* can be EUC / SJIS / UTF-8 */
+ case -2:
+ /* 4 bytes UTF-8 */
+ if ((c3 = (*i_getc)(f)) != EOF) {
+ code_status(c3);
+ c3 <<= 8;
+ if ((c4 = (*i_getc)(f)) != EOF) {
+ code_status(c4);
+ (*iconv)(c2, c1, c3|c4);
+ }
+ }
+ break;
+ case -1:
+ /* 3 bytes EUC or UTF-8 */
+ if ((c3 = (*i_getc)(f)) != EOF) {
+ code_status(c3);
+ (*iconv)(c2, c1, c3);
+ }
+ break;
+ }
+ break;
+ case JIS_X_0208:
+ case JIS_X_0213_1:
+ if (ms_ucs_map_f &&
+ 0x7F <= c2 && c2 <= 0x92 &&
+ 0x21 <= c1 && c1 <= 0x7E) {
+ /* CP932 UDC */
+ c1 = nkf_char_unicode_new((c2 - 0x7F) * 94 + c1 - 0x21 + 0xE000);
+ c2 = 0;
+ }
+ (*oconv)(c2, c1); /* this is JIS, not SJIS/EUC case */
+ break;
+#ifdef X0212_ENABLE
+ case JIS_X_0212:
+ (*oconv)(PREFIX_EUCG3 | c2, c1);
+ break;
+#endif /* X0212_ENABLE */
+ case JIS_X_0213_2:
+ (*oconv)(PREFIX_EUCG3 | c2, c1);
+ break;
+ default:
+ (*oconv)(input_mode, c1); /* other special case */
+ }
+
+ c2 = 0;
+ c3 = 0;
+ continue;
+ /* goto next_word */
+ }
+
+ /* epilogue */
+ (*iconv)(EOF, 0, 0);
+ if (!input_codename)
+ {
+ if (is_8bit) {
+ struct input_code *p = input_code_list;
+ struct input_code *result = p;
+ while (p->name){
+ if (p->score < result->score) result = p;
+ ++p;
+ }
+ set_input_codename(result->name);
+#ifdef CHECK_OPTION
+ debug(result->name);
+#endif
+ }
+ }
+ return 0;
+}
+
+/*
+ * int options(unsigned char *cp)
+ *
+ * return values:
+ * 0: success
+ * -1: ArgumentError
+ */
+static int
+options(unsigned char *cp)
+{
+ nkf_char i, j;
+ unsigned char *p;
+ unsigned char *cp_back = NULL;
+ nkf_encoding *enc;
+
+ if (option_mode==1)
+ return 0;
+ while(*cp && *cp++!='-');
+ while (*cp || cp_back) {
+ if(!*cp){
+ cp = cp_back;
+ cp_back = NULL;
+ continue;
+ }
+ p = 0;
+ switch (*cp++) {
+ case '-': /* literal options */
+ if (!*cp || *cp == SP) { /* ignore the rest of arguments */
+ option_mode = 1;
+ return 0;
+ }
+ for (i=0;i<sizeof(long_option)/sizeof(long_option[0]);i++) {
+ p = (unsigned char *)long_option[i].name;
+ for (j=0;*p && *p != '=' && *p == cp[j];p++, j++);
+ if (*p == cp[j] || cp[j] == SP){
+ p = &cp[j] + 1;
+ break;
+ }
+ p = 0;
+ }
+ if (p == 0) {
+#if !defined(PERL_XS) && !defined(WIN32DLL)
+ fprintf(stderr, "unknown long option: --%s\n", cp);
+#endif
+ return -1;
+ }
+ while(*cp && *cp != SP && cp++);
+ if (long_option[i].alias[0]){
+ cp_back = cp;
+ cp = (unsigned char *)long_option[i].alias;
+ }else{
+ if (strcmp(long_option[i].name, "ic=") == 0){
+ enc = nkf_enc_find((char *)p);
+ if (!enc) continue;
+ input_encoding = enc;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "oc=") == 0){
+ enc = nkf_enc_find((char *)p);
+ if (enc <= 0) continue;
+ output_encoding = enc;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "guess=") == 0){
+ if (p[0] == '0' || p[0] == '1') {
+ guess_f = 1;
+ } else {
+ guess_f = 2;
+ }
+ continue;
+ }
+#ifdef OVERWRITE
+ if (strcmp(long_option[i].name, "overwrite") == 0){
+ file_out_f = TRUE;
+ overwrite_f = TRUE;
+ preserve_time_f = TRUE;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "overwrite=") == 0){
+ file_out_f = TRUE;
+ overwrite_f = TRUE;
+ preserve_time_f = TRUE;
+ backup_f = TRUE;
+ backup_suffix = malloc(strlen((char *) p) + 1);
+ strcpy(backup_suffix, (char *) p);
+ continue;
+ }
+ if (strcmp(long_option[i].name, "in-place") == 0){
+ file_out_f = TRUE;
+ overwrite_f = TRUE;
+ preserve_time_f = FALSE;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "in-place=") == 0){
+ file_out_f = TRUE;
+ overwrite_f = TRUE;
+ preserve_time_f = FALSE;
+ backup_f = TRUE;
+ backup_suffix = malloc(strlen((char *) p) + 1);
+ strcpy(backup_suffix, (char *) p);
+ continue;
+ }
+#endif
+#ifdef INPUT_OPTION
+ if (strcmp(long_option[i].name, "cap-input") == 0){
+ cap_f = TRUE;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "url-input") == 0){
+ url_f = TRUE;
+ continue;
+ }
+#endif
+#ifdef NUMCHAR_OPTION
+ if (strcmp(long_option[i].name, "numchar-input") == 0){
+ numchar_f = TRUE;
+ continue;
+ }
+#endif
+#ifdef CHECK_OPTION
+ if (strcmp(long_option[i].name, "no-output") == 0){
+ noout_f = TRUE;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "debug") == 0){
+ debug_f = TRUE;
+ continue;
+ }
+#endif
+ if (strcmp(long_option[i].name, "cp932") == 0){
+#ifdef SHIFTJIS_CP932
+ cp51932_f = TRUE;
+ cp932inv_f = -TRUE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_CP932;
+#endif
+ continue;
+ }
+ if (strcmp(long_option[i].name, "no-cp932") == 0){
+#ifdef SHIFTJIS_CP932
+ cp51932_f = FALSE;
+ cp932inv_f = FALSE;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ ms_ucs_map_f = UCS_MAP_ASCII;
+#endif
+ continue;
+ }
+#ifdef SHIFTJIS_CP932
+ if (strcmp(long_option[i].name, "cp932inv") == 0){
+ cp932inv_f = -TRUE;
+ continue;
+ }
+#endif
+
+#ifdef X0212_ENABLE
+ if (strcmp(long_option[i].name, "x0212") == 0){
+ x0212_f = TRUE;
+ continue;
+ }
+#endif
+
+#ifdef EXEC_IO
+ if (strcmp(long_option[i].name, "exec-in") == 0){
+ exec_f = 1;
+ return 0;
+ }
+ if (strcmp(long_option[i].name, "exec-out") == 0){
+ exec_f = -1;
+ return 0;
+ }
+#endif
+#if defined(UTF8_OUTPUT_ENABLE) && defined(UTF8_INPUT_ENABLE)
+ if (strcmp(long_option[i].name, "no-cp932ext") == 0){
+ no_cp932ext_f = TRUE;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "no-best-fit-chars") == 0){
+ no_best_fit_chars_f = TRUE;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "fb-skip") == 0){
+ encode_fallback = NULL;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "fb-html") == 0){
+ encode_fallback = encode_fallback_html;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "fb-xml") == 0){
+ encode_fallback = encode_fallback_xml;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "fb-java") == 0){
+ encode_fallback = encode_fallback_java;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "fb-perl") == 0){
+ encode_fallback = encode_fallback_perl;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "fb-subchar") == 0){
+ encode_fallback = encode_fallback_subchar;
+ continue;
+ }
+ if (strcmp(long_option[i].name, "fb-subchar=") == 0){
+ encode_fallback = encode_fallback_subchar;
+ unicode_subchar = 0;
+ if (p[0] != '0'){
+ /* decimal number */
+ for (i = 0; i < 7 && nkf_isdigit(p[i]); i++){
+ unicode_subchar *= 10;
+ unicode_subchar += hex2bin(p[i]);
+ }
+ }else if(p[1] == 'x' || p[1] == 'X'){
+ /* hexadecimal number */
+ for (i = 2; i < 8 && nkf_isxdigit(p[i]); i++){
+ unicode_subchar <<= 4;
+ unicode_subchar |= hex2bin(p[i]);
+ }
+ }else{
+ /* octal number */
+ for (i = 1; i < 8 && nkf_isoctal(p[i]); i++){
+ unicode_subchar *= 8;
+ unicode_subchar += hex2bin(p[i]);
+ }
+ }
+ w16e_conv(unicode_subchar, &i, &j);
+ unicode_subchar = i<<8 | j;
+ continue;
+ }
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ if (strcmp(long_option[i].name, "ms-ucs-map") == 0){
+ ms_ucs_map_f = UCS_MAP_MS;
+ continue;
+ }
+#endif
+#ifdef UNICODE_NORMALIZATION
+ if (strcmp(long_option[i].name, "utf8mac-input") == 0){
+ nfc_f = TRUE;
+ continue;
+ }
+#endif
+ if (strcmp(long_option[i].name, "prefix=") == 0){
+ if (nkf_isgraph(p[0])){
+ for (i = 1; nkf_isgraph(p[i]); i++){
+ prefix_table[p[i]] = p[0];
+ }
+ }
+ continue;
+ }
+#if !defined(PERL_XS) && !defined(WIN32DLL)
+ fprintf(stderr, "unsupported long option: --%s\n", long_option[i].name);
+#endif
+ return -1;
+ }
+ continue;
+ case 'b': /* buffered mode */
+ unbuf_f = FALSE;
+ continue;
+ case 'u': /* non bufferd mode */
+ unbuf_f = TRUE;
+ continue;
+ case 't': /* transparent mode */
+ if (*cp=='1') {
+ /* alias of -t */
+ cp++;
+ nop_f = TRUE;
+ } else if (*cp=='2') {
+ /*
+ * -t with put/get
+ *
+ * nkf -t2MB hoge.bin | nkf -t2mB | diff -s - hoge.bin
+ *
+ */
+ cp++;
+ nop_f = 2;
+ } else
+ nop_f = TRUE;
+ continue;
+ case 'j': /* JIS output */
+ case 'n':
+ output_encoding = nkf_enc_from_index(ISO_2022_JP);
+ continue;
+ case 'e': /* AT&T EUC output */
+ output_encoding = nkf_enc_from_index(EUCJP_NKF);
+ continue;
+ case 's': /* SJIS output */
+ output_encoding = nkf_enc_from_index(WINDOWS_31J);
+ continue;
+ case 'l': /* ISO8859 Latin-1 support, no conversion */
+ iso8859_f = TRUE; /* Only compatible with ISO-2022-JP */
+ input_encoding = nkf_enc_from_index(ISO_8859_1);
+ continue;
+ case 'i': /* Kanji IN ESC-$-@/B */
+ if (*cp=='@'||*cp=='B')
+ kanji_intro = *cp++;
+ continue;
+ case 'o': /* ASCII IN ESC-(-J/B */
+ if (*cp=='J'||*cp=='B'||*cp=='H')
+ ascii_intro = *cp++;
+ continue;
+ case 'h':
+ /*
+ bit:1 katakana->hiragana
+ bit:2 hiragana->katakana
+ */
+ if ('9'>= *cp && *cp>='0')
+ hira_f |= (*cp++ -'0');
+ else
+ hira_f |= 1;
+ continue;
+ case 'r':
+ rot_f = TRUE;
+ continue;
+#if defined(MSDOS) || defined(__OS2__)
+ case 'T':
+ binmode_f = FALSE;
+ continue;
+#endif
+#ifndef PERL_XS
+ case 'V':
+ show_configuration();
+ exit(1);
+ break;
+ case 'v':
+ usage();
+ exit(1);
+ break;
+#endif
+#ifdef UTF8_OUTPUT_ENABLE
+ case 'w': /* UTF-8 output */
+ if (cp[0] == '8') {
+ cp++;
+ if (cp[0] == '0'){
+ cp++;
+ output_encoding = nkf_enc_from_index(UTF_8N);
+ } else {
+ output_bom_f = TRUE;
+ output_encoding = nkf_enc_from_index(UTF_8_BOM);
+ }
+ } else {
+ int enc_idx;
+ if ('1'== cp[0] && '6'==cp[1]) {
+ cp += 2;
+ enc_idx = UTF_16;
+ } else if ('3'== cp[0] && '2'==cp[1]) {
+ cp += 2;
+ enc_idx = UTF_32;
+ } else {
+ output_encoding = nkf_enc_from_index(UTF_8);
+ continue;
+ }
+ if (cp[0]=='L') {
+ cp++;
+ output_endian = ENDIAN_LITTLE;
+ } else if (cp[0] == 'B') {
+ cp++;
+ } else {
+ output_encoding = nkf_enc_from_index(enc_idx);
+ continue;
+ }
+ if (cp[0] == '0'){
+ cp++;
+ enc_idx = enc_idx == UTF_16
+ ? (output_endian == ENDIAN_LITTLE ? UTF_16LE : UTF_16BE)
+ : (output_endian == ENDIAN_LITTLE ? UTF_32LE : UTF_32BE);
+ } else {
+ output_bom_f = TRUE;
+ enc_idx = enc_idx == UTF_16
+ ? (output_endian == ENDIAN_LITTLE ? UTF_16LE_BOM : UTF_16BE_BOM)
+ : (output_endian == ENDIAN_LITTLE ? UTF_32LE_BOM : UTF_32BE_BOM);
+ }
+ output_encoding = nkf_enc_from_index(enc_idx);
+ }
+ continue;
+#endif
+#ifdef UTF8_INPUT_ENABLE
+ case 'W': /* UTF input */
+ if (cp[0] == '8') {
+ cp++;
+ input_encoding = nkf_enc_from_index(UTF_8);
+ }else{
+ int enc_idx;
+ if ('1'== cp[0] && '6'==cp[1]) {
+ cp += 2;
+ input_endian = ENDIAN_BIG;
+ enc_idx = UTF_16;
+ } else if ('3'== cp[0] && '2'==cp[1]) {
+ cp += 2;
+ input_endian = ENDIAN_BIG;
+ enc_idx = UTF_32;
+ } else {
+ input_encoding = nkf_enc_from_index(UTF_8);
+ continue;
+ }
+ if (cp[0]=='L') {
+ cp++;
+ input_endian = ENDIAN_LITTLE;
+ } else if (cp[0] == 'B') {
+ cp++;
+ input_endian = ENDIAN_BIG;
+ }
+ enc_idx = enc_idx == UTF_16
+ ? (input_endian == ENDIAN_LITTLE ? UTF_16LE : UTF_16BE)
+ : (input_endian == ENDIAN_LITTLE ? UTF_32LE : UTF_32BE);
+ input_encoding = nkf_enc_from_index(enc_idx);
+ }
+ continue;
+#endif
+ /* Input code assumption */
+ case 'J': /* ISO-2022-JP input */
+ input_encoding = nkf_enc_from_index(ISO_2022_JP);
+ continue;
+ case 'E': /* EUC-JP input */
+ input_encoding = nkf_enc_from_index(EUCJP_NKF);
+ continue;
+ case 'S': /* Windows-31J input */
+ input_encoding = nkf_enc_from_index(WINDOWS_31J);
+ continue;
+ case 'Z': /* Convert X0208 alphabet to asii */
+ /* alpha_f
+ bit:0 Convert JIS X 0208 Alphabet to ASCII
+ bit:1 Convert Kankaku to one space
+ bit:2 Convert Kankaku to two spaces
+ bit:3 Convert HTML Entity
+ bit:4 Convert JIS X 0208 Katakana to JIS X 0201 Katakana
+ */
+ while ('0'<= *cp && *cp <='9') {
+ alpha_f |= 1 << (*cp++ - '0');
+ }
+ if (!alpha_f) alpha_f = 1;
+ continue;
+ case 'x': /* Convert X0201 kana to X0208 or X0201 Conversion */
+ x0201_f = FALSE; /* No X0201->X0208 conversion */
+ /* accept X0201
+ ESC-(-I in JIS, EUC, MS Kanji
+ SI/SO in JIS, EUC, MS Kanji
+ SS2 in EUC, JIS, not in MS Kanji
+ MS Kanji (0xa0-0xdf)
+ output X0201
+ ESC-(-I in JIS (0x20-0x5f)
+ SS2 in EUC (0xa0-0xdf)
+ 0xa0-0xd in MS Kanji (0xa0-0xdf)
+ */
+ continue;
+ case 'X': /* Convert X0201 kana to X0208 */
+ x0201_f = TRUE;
+ continue;
+ case 'F': /* prserve new lines */
+ fold_preserve_f = TRUE;
+ case 'f': /* folding -f60 or -f */
+ fold_f = TRUE;
+ fold_len = 0;
+ while('0'<= *cp && *cp <='9') { /* we don't use atoi here */
+ fold_len *= 10;
+ fold_len += *cp++ - '0';
+ }
+ if (!(0<fold_len && fold_len<BUFSIZ))
+ fold_len = DEFAULT_FOLD;
+ if (*cp=='-') {
+ fold_margin = 0;
+ cp++;
+ while('0'<= *cp && *cp <='9') { /* we don't use atoi here */
+ fold_margin *= 10;
+ fold_margin += *cp++ - '0';
+ }
+ }
+ continue;
+ case 'm': /* MIME support */
+ /* mime_decode_f = TRUE; */ /* this has too large side effects... */
+ if (*cp=='B'||*cp=='Q') {
+ mime_decode_mode = *cp++;
+ mimebuf_f = FIXED_MIME;
+ } else if (*cp=='N') {
+ mime_f = TRUE; cp++;
+ } else if (*cp=='S') {
+ mime_f = STRICT_MIME; cp++;
+ } else if (*cp=='0') {
+ mime_decode_f = FALSE;
+ mime_f = FALSE; cp++;
+ } else {
+ mime_f = STRICT_MIME;
+ }
+ 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_f = TRUE;
+ continue;
+#endif
+ case 'c':/* add cr code */
+ eolmode_f = CRLF;
+ continue;
+ case 'd':/* delete cr code */
+ eolmode_f = LF;
+ continue;
+ case 'I': /* ISO-2022-JP output */
+ iso2022jp_f = TRUE;
+ continue;
+ case 'L': /* line mode */
+ if (*cp=='u') { /* unix */
+ eolmode_f = LF; cp++;
+ } else if (*cp=='m') { /* mac */
+ eolmode_f = CR; cp++;
+ } else if (*cp=='w') { /* windows */
+ eolmode_f = CRLF; cp++;
+ } else if (*cp=='0') { /* no conversion */
+ eolmode_f = 0; cp++;
+ }
+ continue;
+#ifndef PERL_XS
+ case 'g':
+ if ('2' <= *cp && *cp <= '9') {
+ guess_f = 2;
+ cp++;
+ } else if (*cp == '0' || *cp == '1') {
+ guess_f = 1;
+ cp++;
+ } else {
+ guess_f = 1;
+ }
+ continue;
+#endif
+ case SP:
+ /* module muliple options in a string are allowed for Perl moudle */
+ while(*cp && *cp++!='-');
+ continue;
+ default:
+#if !defined(PERL_XS) && !defined(WIN32DLL)
+ fprintf(stderr, "unknown option: -%c\n", *(cp-1));
+#endif
+ /* bogus option but ignored */
+ return -1;
+ }
+ }
+ return 0;
+}
+
+#ifdef WIN32DLL
+#include "nkf32dll.c"
+#elif defined(PERL_XS)
+#else /* WIN32DLL */
+int
+main(int argc, char **argv)
+{
+ FILE *fin;
+ unsigned char *cp;
+
+ char *outfname = NULL;
+ char *origfname;
+
+#ifdef EASYWIN /*Easy Win */
+ _BufferSize.y = 400;/*Set Scroll Buffer Size*/
+#endif
+#ifdef DEFAULT_CODE_LOCALE
+ setlocale(LC_CTYPE, "");
+#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 (guess_f) {
+#ifdef CHECK_OPTION
+ int debug_f_back = debug_f;
+#endif
+#ifdef EXEC_IO
+ int exec_f_back = exec_f;
+#endif
+#ifdef X0212_ENABLE
+ int x0212_f_back = x0212_f;
+#endif
+ int x0213_f_back = x0213_f;
+ int guess_f_back = guess_f;
+ reinit();
+ guess_f = guess_f_back;
+ mime_f = FALSE;
+#ifdef CHECK_OPTION
+ debug_f = debug_f_back;
+#endif
+#ifdef EXEC_IO
+ exec_f = exec_f_back;
+#endif
+ x0212_f = x0212_f_back;
+ x0213_f = x0213_f_back;
+ }
+
+ if (binmode_f == TRUE)
+#if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
+ if (freopen("","wb",stdout) == NULL)
+ return (-1);
+#else
+ setbinmode(stdout);
+#endif
+
+ if (unbuf_f)
+ setbuf(stdout, (char *) NULL);
+ else
+ setvbuffer(stdout, (char *) stdobuf, IOBUF_SIZE);
+
+ if (argc == 0) {
+ if (binmode_f == TRUE)
+#if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
+ if (freopen("","rb",stdin) == NULL) return (-1);
+#else
+ setbinmode(stdin);
+#endif
+ setvbuffer(stdin, (char *) stdibuf, IOBUF_SIZE);
+ if (nop_f)
+ noconvert(stdin);
+ else {
+ kanji_convert(stdin);
+ if (guess_f) print_guessed_code(NULL);
+ }
+ } else {
+ int nfiles = argc;
+ int is_argument_error = FALSE;
+ while (argc--) {
+ input_codename = NULL;
+ input_eol = 0;
+#ifdef CHECK_OPTION
+ iconv_for_check = 0;
+#endif
+ if ((fin = fopen((origfname = *argv++), "r")) == NULL) {
+ perror(*(argv-1));
+ is_argument_error = TRUE;
+ continue;
+ } else {
+#ifdef OVERWRITE
+ int fd = 0;
+ int fd_backup = 0;
+#endif
+
+ /* reopen file for stdout */
+ if (file_out_f == TRUE) {
+#ifdef OVERWRITE
+ if (overwrite_f){
+ outfname = malloc(strlen(origfname)
+ + strlen(".nkftmpXXXXXX")
+ + 1);
+ if (!outfname){
+ perror(origfname);
+ return -1;
+ }
+ strcpy(outfname, origfname);
+#ifdef MSDOS
+ {
+ int i;
+ for (i = strlen(outfname); i; --i){
+ if (outfname[i - 1] == '/'
+ || outfname[i - 1] == '\\'){
+ break;
+ }
+ }
+ outfname[i] = '\0';
+ }
+ strcat(outfname, "ntXXXXXX");
+ mktemp(outfname);
+ fd = open(outfname, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL,
+ S_IREAD | S_IWRITE);
+#else
+ strcat(outfname, ".nkftmpXXXXXX");
+ fd = mkstemp(outfname);
+#endif
+ if (fd < 0
+ || (fd_backup = dup(fileno(stdout))) < 0
+ || dup2(fd, fileno(stdout)) < 0
+ ){
+ perror(origfname);
+ return -1;
+ }
+ }else
+#endif
+ if(argc == 1) {
+ outfname = *argv++;
+ argc--;
+ } else {
+ outfname = "nkf.out";
+ }
+
+ if(freopen(outfname, "w", stdout) == NULL) {
+ perror (outfname);
+ return (-1);
+ }
+ if (binmode_f == TRUE) {
+#if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
+ if (freopen("","wb",stdout) == NULL)
+ return (-1);
+#else
+ setbinmode(stdout);
+#endif
+ }
+ }
+ if (binmode_f == TRUE)
+#if defined(__OS2__) && (defined(__IBMC__) || defined(__IBMCPP__))
+ if (freopen("","rb",fin) == NULL)
+ return (-1);
+#else
+ setbinmode(fin);
+#endif
+ setvbuffer(fin, (char *) stdibuf, IOBUF_SIZE);
+ if (nop_f)
+ noconvert(fin);
+ else {
+ char *filename = NULL;
+ kanji_convert(fin);
+ if (nfiles > 1) filename = origfname;
+ if (guess_f) print_guessed_code(filename);
+ }
+ fclose(fin);
+#ifdef OVERWRITE
+ if (overwrite_f) {
+ struct stat sb;
+#if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) && !defined(__WATCOMC__) && !defined(__EMX__) && !defined(__OS2__) && !defined(__DJGPP__)
+ time_t tb[2];
+#else
+ struct utimbuf tb;
+#endif
+
+ fflush(stdout);
+ close(fd);
+ if (dup2(fd_backup, fileno(stdout)) < 0){
+ perror("dup2");
+ }
+ if (stat(origfname, &sb)) {
+ fprintf(stderr, "Can't stat %s\n", origfname);
+ }
+ /* $B%Q!<%_%C%7%g%s$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(preserve_time_f){
+#if defined(MSDOS) && !defined(__MINGW32__) && !defined(__WIN32__) && !defined(__WATCOMC__) && !defined(__EMX__) && !defined(__OS2__) && !defined(__DJGPP__)
+ tb[0] = tb[1] = sb.st_mtime;
+ if (utime(outfname, tb)) {
+ fprintf(stderr, "Can't set timestamp %s\n", outfname);
+ }
+#else
+ tb.actime = sb.st_atime;
+ tb.modtime = sb.st_mtime;
+ if (utime(outfname, &tb)) {
+ fprintf(stderr, "Can't set timestamp %s\n", outfname);
+ }
+#endif
+ }
+ if(backup_f){
+ char *backup_filename = get_backup_filename(backup_suffix, origfname);
+#ifdef MSDOS
+ unlink(backup_filename);
+#endif
+ if (rename(origfname, backup_filename)) {
+ perror(backup_filename);
+ fprintf(stderr, "Can't rename %s to %s\n",
+ origfname, backup_filename);
+ }
+ free(backup_filename);
+ }else{
+#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
+ }
+ }
+ if (is_argument_error)
+ return(-1);
+ }
+#ifdef EASYWIN /*Easy Win */
+ if (file_out_f == FALSE)
+ scanf("%d",&end_check);
+ else
+ fclose(stdout);
+#else /* for Other OS */
+ if (file_out_f == TRUE)
+ fclose(stdout);
+#endif /*Easy Win */
+ return (0);
+}
+#endif /* WIN32DLL */
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-21 14:34:06 +0000