diff options
Diffstat (limited to 'ruby_2_2/ext/nkf/nkf-utf8/nkf.c')
| -rw-r--r-- | ruby_2_2/ext/nkf/nkf-utf8/nkf.c | 7191 |
1 files changed, 0 insertions, 7191 deletions
diff --git a/ruby_2_2/ext/nkf/nkf-utf8/nkf.c b/ruby_2_2/ext/nkf/nkf-utf8/nkf.c deleted file mode 100644 index b13f304f6a..0000000000 --- a/ruby_2_2/ext/nkf/nkf-utf8/nkf.c +++ /dev/null @@ -1,7191 +0,0 @@ -/* - * Copyright (c) 1987, Fujitsu LTD. (Itaru ICHIKAWA). - * Copyright (c) 1996-2013, The nkf Project. - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute it - * freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would be - * appreciated but is not required. - * - * 2. Altered source versions must be plainly marked as such, and must not be - * misrepresented as being the original software. - * - * 3. This notice may not be removed or altered from any source distribution. - */ -#define NKF_VERSION "2.1.3" -#define NKF_RELEASE_DATE "2013-11-22" -#define COPY_RIGHT \ - "Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa).\n" \ - "Copyright (C) 1996-2013, The nkf Project." - -#include "config.h" -#include "nkf.h" -#include "utf8tbl.h" -#ifdef __WIN32__ -#include <windows.h> -#include <locale.h> -#endif -#if defined(__OS2__) -# define INCL_DOS -# define INCL_DOSERRORS -# include <os2.h> -#endif -#include <assert.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}, - {"646", ASCII}, - {"ROMAN8", 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}, - {"MS_Kanji", SHIFT_JIS}, - {"PCK", 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_WINDOWS_31J) -#define DEFAULT_ENCIDX WINDOWS_31J -#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 <= 0x5F) - -#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; - -#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 int input_bom_f = FALSE; -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 - -#define NKF_UNSPECIFIED (-TRUE) - -/* 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 = NKF_UNSPECIFIED; /* 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) <= UNICODE_BMP_MAX) -#define nkf_char_unicode_value_p(c) ((c & VALUE_MASK) <= UNICODE_MAX) - -#define UTF16_TO_UTF32(lead, trail) (((lead) << 10) + (trail) - NKF_INT32_C(0x35FDC00)) - -#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}, - {"UTF-16", 0, 0, 0, {0, 0, 0}, NULL, w_iconv16, 0}, - {"UTF-32", 0, 0, 0, {0, 0, 0}, NULL, w_iconv32, 0}, -#endif - {NULL, 0, 0, 0, {0, 0, 0}, NULL, NULL, 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(ARG_UNUSED nkf_char c2, ARG_UNUSED nkf_char c1, ARG_UNUSED nkf_char c0) -{ - fprintf(stderr,"nkf internal module connection failure.\n"); - exit(EXIT_FAILURE); - 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}; - -/* X0201 kana to X0213 conversion table for han-daguten */ -/* 90-9F A0-DF */ -static const unsigned char ev_x0213[]= { - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x25,0x77,0x25,0x78, - 0x25,0x79,0x25,0x7a,0x25,0x7b,0x00,0x00, - 0x00,0x00,0x00,0x00,0x25,0x7c,0x00,0x00, - 0x00,0x00,0x00,0x00,0x25,0x7d,0x00,0x00, - 0x25,0x7e,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 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 */ - -static void * -nkf_xmalloc(size_t size) -{ - void *ptr; - - if (size == 0) size = 1; - - ptr = malloc(size); - if (ptr == NULL) { - perror("can't malloc"); - exit(EXIT_FAILURE); - } - - return ptr; -} - -static void * -nkf_xrealloc(void *ptr, size_t size) -{ - if (size == 0) size = 1; - - ptr = realloc(ptr, size); - if (ptr == NULL) { - perror("can't realloc"); - exit(EXIT_FAILURE); - } - - return ptr; -} - -#define nkf_xfree(ptr) free(ptr) - -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 const char* -nkf_locale_charmap(void) -{ -#ifdef HAVE_LANGINFO_H - return nl_langinfo(CODESET); -#elif defined(__WIN32__) - static char buf[16]; - sprintf(buf, "CP%d", GetACP()); - return buf; -#elif defined(__OS2__) -# if defined(INT_IS_SHORT) - /* OS/2 1.x */ - return NULL; -# else - /* OS/2 32bit */ - static char buf[16]; - ULONG ulCP[1], ulncp; - DosQueryCp(sizeof(ulCP), ulCP, &ulncp); - if (ulCP[0] == 932 || ulCP[0] == 943) - strcpy(buf, "Shift_JIS"); - else - sprintf(buf, "CP%lu", ulCP[0]); - return buf; -# endif -#endif - return NULL; -} - -static nkf_encoding* -nkf_locale_encoding(void) -{ - nkf_encoding *enc = 0; - const char *encname = nkf_locale_charmap(); - if (encname) - enc = nkf_enc_find(encname); - return enc; -} -#endif /* DEFAULT_CODE_LOCALE */ - -static nkf_encoding* -nkf_utf8_encoding(void) -{ - return &nkf_encoding_table[UTF_8]; -} - -static nkf_encoding* -nkf_default_encoding(void) -{ - nkf_encoding *enc = 0; -#ifdef DEFAULT_CODE_LOCALE - enc = nkf_locale_encoding(); -#elif defined(DEFAULT_ENCIDX) - enc = nkf_enc_from_index(DEFAULT_ENCIDX); -#endif - if (!enc) enc = nkf_utf8_encoding(); - return enc; -} - -typedef struct { - long capa; - long len; - nkf_char *ptr; -} nkf_buf_t; - -static nkf_buf_t * -nkf_buf_new(int length) -{ - nkf_buf_t *buf = nkf_xmalloc(sizeof(nkf_buf_t)); - buf->ptr = nkf_xmalloc(sizeof(nkf_char) * length); - buf->capa = length; - buf->len = 0; - return buf; -} - -#if 0 -static void -nkf_buf_dispose(nkf_buf_t *buf) -{ - nkf_xfree(buf->ptr); - nkf_xfree(buf); -} -#endif - -#define nkf_buf_length(buf) ((buf)->len) -#define nkf_buf_empty_p(buf) ((buf)->len == 0) - -static nkf_char -nkf_buf_at(nkf_buf_t *buf, int index) -{ - assert(index <= buf->len); - return buf->ptr[index]; -} - -static void -nkf_buf_clear(nkf_buf_t *buf) -{ - buf->len = 0; -} - -static void -nkf_buf_push(nkf_buf_t *buf, nkf_char c) -{ - if (buf->capa <= buf->len) { - exit(EXIT_FAILURE); - } - buf->ptr[buf->len++] = c; -} - -static nkf_char -nkf_buf_pop(nkf_buf_t *buf) -{ - assert(!nkf_buf_empty_p(buf)); - return buf->ptr[--buf->len]; -} - -/* Normalization Form C */ -#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 -[flags] [--] [in file] .. [out file for -O flag]\n" -#ifdef UTF8_OUTPUT_ENABLE - " j/s/e/w Specify output encoding ISO-2022-JP, Shift_JIS, EUC-JP\n" - " UTF options is -w[8[0],{16,32}[{B,L}[0]]]\n" -#else -#endif -#ifdef UTF8_INPUT_ENABLE - " J/S/E/W Specify input encoding ISO-2022-JP, Shift_JIS, EUC-JP\n" - " UTF option is -W[8,[16,32][B,L]]\n" -#else - " J/S/E Specify output encoding ISO-2022-JP, Shift_JIS, EUC-JP\n" -#endif - ); - fprintf(HELP_OUTPUT, - " m[BQSN0] MIME decode [B:base64,Q:quoted,S:strict,N:nonstrict,0:no decode]\n" - " M[BQ] MIME encode [B:base64 Q:quoted]\n" - " f/F Folding: -f60 or -f or -f60-10 (fold margin 10) F preserve nl\n" - ); - fprintf(HELP_OUTPUT, - " 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 Convert Halfwidth Katakana to Fullwidth or preserve it\n" - ); - fprintf(HELP_OUTPUT, - " O Output to File (DEFAULT 'nkf.out')\n" - " L[uwm] Line mode u:LF w:CRLF m:CR (DEFAULT noconversion)\n" - ); - fprintf(HELP_OUTPUT, - " --ic=<encoding> Specify the input encoding\n" - " --oc=<encoding> Specify the output encoding\n" - " --hiragana --katakana Hiragana/Katakana Conversion\n" - " --katakana-hiragana Converts each other\n" - ); - fprintf(HELP_OUTPUT, -#ifdef INPUT_OPTION - " --{cap, 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 unassigned character's replacement\n" -#endif - ); - fprintf(HELP_OUTPUT, -#ifdef OVERWRITE - " --in-place[=SUF] Overwrite original files\n" - " --overwrite[=SUF] Preserve timestamp of original files\n" -#endif - " -g --guess Guess the input code\n" - " -v --version Print the version\n" - " --help/-V Print this help / configuration\n" - ); - version(); -} - -static void -show_configuration(void) -{ - fprintf(HELP_OUTPUT, - "Summary of my nkf " NKF_VERSION " (" NKF_RELEASE_DATE ") configuration:\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 defined(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 = nkf_xmalloc(strlen(suffix) + (asterisk_count * (filename_length - 1)) + 1); - 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{ - j = filename_length + strlen(suffix); - backup_filename = nkf_xmalloc(j + 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 >= NKF_INT32_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",""}, - {"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 CP50221: - case CP50222: - if (x0201_f == NKF_UNSPECIFIED) x0201_f = FALSE; /* -x specified implicitly */ - case CP50220: -#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: - if (x0201_f == NKF_UNSPECIFIED) x0201_f = FALSE; /* -x specified implicitly */ -#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: - if (x0201_f == NKF_UNSPECIFIED) x0201_f = FALSE; /* -x specified implicitly */ -#ifdef SHIFTJIS_CP932 - cp51932_f = TRUE; -#endif -#ifdef UTF8_OUTPUT_ENABLE - ms_ucs_map_f = UCS_MAP_CP932; -#endif - break; - case EUCJP_MS: - if (x0201_f == NKF_UNSPECIFIED) x0201_f = FALSE; /* -x specified implicitly */ -#ifdef SHIFTJIS_CP932 - cp51932_f = FALSE; -#endif -#ifdef UTF8_OUTPUT_ENABLE - ms_ucs_map_f = UCS_MAP_MS; -#endif - break; - case EUCJP_ASCII: - if (x0201_f == NKF_UNSPECIFIED) x0201_f = FALSE; /* -x specified implicitly */ -#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; - if (cp932inv_f == TRUE) cp932inv_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: -#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: - if (x0201_f == NKF_UNSPECIFIED) x0201_f = FALSE; /* -x specified implicitly */ -#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: -#ifdef SHIFTJIS_CP932 - if (cp932inv_f == TRUE) cp932inv_f = FALSE; -#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: - case ISO_2022_JP_2004: - 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: - if (x0201_f == NKF_UNSPECIFIED) x0201_f = FALSE; /* -x specified implicitly */ -#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: - if (x0201_f == NKF_UNSPECIFIED) x0201_f = FALSE; /* -x specified implicitly */ -#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: - if (x0201_f == NKF_UNSPECIFIED) x0201_f = FALSE; /* -x specified implicitly */ - x0212_f = TRUE; -#ifdef UTF8_OUTPUT_ENABLE - ms_ucs_map_f = UCS_MAP_MS; -#endif - break; - case EUCJP_ASCII: - if (x0201_f == NKF_UNSPECIFIED) x0201_f = FALSE; /* -x specified implicitly */ - 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_32: - 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 int -is_x0213_2_in_x0212(nkf_char c1) -{ - static const char x0213_2_table[] = - {0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1}; - int ku = c1 - 0x20; - if (ku <= 15) - return x0213_2_table[ku]; /* 1, 3-5, 8, 12-15 */ - if (78 <= ku && ku <= 94) - return 1; - return 0; -} - -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 && is_x0213_2_in_x0212(ndx)){ - 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} }; - if (0xFC < c1) return 1; -#ifdef SHIFTJIS_CP932 - if (!cp932inv_f && !x0213_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){ - val = cp932inv[c2 - CP932INV_TABLE_BEGIN][c1 - 0x40]; - if (val){ - c2 = val >> 8; - c1 = val & 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, nkf_char *p1, nkf_char *p2, nkf_char *p3, nkf_char *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 = 0xf0 | (val >> 18); - *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(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4) -{ - nkf_char wc; - if (c1 <= 0x7F) { - /* single byte */ - wc = c1; - } - else if (c1 <= 0xC1) { - /* 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 : - x0213_f ? utf8_to_euc_2bytes_x0213 : - 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 : - x0213_f ? utf8_to_euc_3bytes_x0213 : - 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 -#define X0213_SURROGATE_FIND(tbl, size, euc) do { \ - int i; \ - for (i = 0; i < size; i++) \ - if (tbl[i][0] == euc) { \ - low = tbl[i][2]; \ - break; \ - } \ - } while (0) - -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 = - x0213_f ? x0212_to_utf8_2bytes_x0213[c2] : - 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 = - x0213_f ? euc_to_utf8_2bytes_x0213[c2] : - 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) { - nkf_char val = p[c1]; - if (x0213_f && 0xD800<=val && val<=0xDBFF) { - nkf_char euc = (c2+0x21)<<8 | (c1+0x21); - nkf_char low = 0; - if (p==x0212_to_utf8_2bytes_x0213[c2]) { - X0213_SURROGATE_FIND(x0213_2_surrogate_table, sizeof_x0213_2_surrogate_table, euc); - } else { - X0213_SURROGATE_FIND(x0213_1_surrogate_table, sizeof_x0213_1_surrogate_table, euc); - } - if (!low) return 0; - return UTF16_TO_UTF32(val, low); - } else { - return val; - } - } - return 0; -} - -static nkf_char -e2w_combining(nkf_char comb, nkf_char c2, nkf_char c1) -{ - nkf_char euc; - int i; - for (i = 0; i < sizeof_x0213_combining_chars; i++) - if (x0213_combining_chars[i] == comb) - break; - if (i >= sizeof_x0213_combining_chars) - return 0; - euc = (c2&0x7f)<<8 | (c1&0x7f); - for (i = 0; i < sizeof_x0213_combining_table; i++) - if (x0213_combining_table[i][0] == euc) - return x0213_combining_table[i][1]; - 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) -{ - nkf_char 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 { - int i; - if (x0213_f) { - c1 = (val >> 10) + NKF_INT32_C(0xD7C0); /* high surrogate */ - c2 = (val & 0x3FF) + NKF_INT32_C(0xDC00); /* low surrogate */ - for (i = 0; i < sizeof_x0213_1_surrogate_table; i++) - if (x0213_1_surrogate_table[i][1] == c1 && x0213_1_surrogate_table[i][2] == c2) { - val = x0213_1_surrogate_table[i][0]; - *p2 = val >> 8; - *p1 = val & 0xFF; - return 0; - } - for (i = 0; i < sizeof_x0213_2_surrogate_table; i++) - if (x0213_2_surrogate_table[i][1] == c1 && x0213_2_surrogate_table[i][2] == c2) { - val = x0213_2_surrogate_table[i][0]; - *p2 = PREFIX_EUCG3 | (val >> 8); - *p1 = val & 0xFF; - return 0; - } - } - *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(ARG_UNUSED nkf_char c2, nkf_char c1, ARG_UNUSED 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 int -x0213_wait_combining_p(nkf_char wc) -{ - int i; - for (i = 0; i < sizeof_x0213_combining_table; i++) { - if (x0213_combining_table[i][1] == wc) { - return TRUE; - } - } - return FALSE; -} - -static int -x0213_combining_p(nkf_char wc) -{ - int i; - for (i = 0; i < sizeof_x0213_combining_chars; i++) { - if (x0213_combining_chars[i] == wc) { - return TRUE; - } - } - return FALSE; -} - -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 { - if (x0213_f && x0213_wait_combining_p(nkf_utf8_to_unicode(c1, c2, c3, c4))) - return -3; - ret = w2e_conv(c1, c2, c3, &c1, &c2); - } - if (ret == 0){ - (*oconv)(c1, c2); - } - return ret; -} - -static nkf_char -w_iconv_nocombine(nkf_char c1, nkf_char c2, nkf_char c3) -{ - /* continue from the line below 'return -3;' in w_iconv() */ - nkf_char ret = w2e_conv(c1, c2, c3, &c1, &c2); - if (ret == 0){ - (*oconv)(c1, c2); - } - return ret; -} - -#define NKF_ICONV_INVALID_CODE_RANGE -13 -#define NKF_ICONV_WAIT_COMBINING_CHAR -14 -#define NKF_ICONV_NOT_COMBINED -15 -static size_t -unicode_iconv(nkf_char wc, int nocombine) -{ - 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) { - if (!nocombine && x0213_f && x0213_wait_combining_p(wc)) - return NKF_ICONV_WAIT_COMBINING_CHAR; - 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; -} - -static nkf_char -unicode_iconv_combine(nkf_char wc, nkf_char wc2) -{ - nkf_char c1, c2; - int i; - - if (wc2 < 0x80) { - return NKF_ICONV_NOT_COMBINED; - }else if ((wc2>>11) == 27) { - /* unpaired surrogate */ - return NKF_ICONV_INVALID_CODE_RANGE; - }else if (wc2 < 0xFFFF) { - if (!x0213_combining_p(wc2)) - return NKF_ICONV_NOT_COMBINED; - for (i = 0; i < sizeof_x0213_combining_table; i++) { - if (x0213_combining_table[i][1] == wc && - x0213_combining_table[i][2] == wc2) { - c2 = x0213_combining_table[i][0] >> 8; - c1 = x0213_combining_table[i][0] & 0x7f; - (*oconv)(c2, c1); - return 0; - } - } - }else if (wc2 < 0x10FFFF) { - return NKF_ICONV_NOT_COMBINED; - } else { - return NKF_ICONV_INVALID_CODE_RANGE; - } - return NKF_ICONV_NOT_COMBINED; -} - -static nkf_char -w_iconv_combine(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4, nkf_char c5, nkf_char c6) -{ - nkf_char wc, wc2; - wc = nkf_utf8_to_unicode(c1, c2, c3, 0); - wc2 = nkf_utf8_to_unicode(c4, c5, c6, 0); - if (wc2 < 0) - return wc2; - return unicode_iconv_combine(wc, wc2); -} - -#define NKF_ICONV_NEED_ONE_MORE_BYTE (size_t)-1 -#define NKF_ICONV_NEED_TWO_MORE_BYTES (size_t)-2 -static size_t -nkf_iconv_utf_16(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char 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, FALSE); -} - -static size_t -nkf_iconv_utf_16_combine(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4) -{ - nkf_char wc, wc2; - - if (input_endian == ENDIAN_BIG) { - if (0xD8 <= c3 && c3 <= 0xDB) { - return NKF_ICONV_NOT_COMBINED; - } else { - wc = c1 << 8 | c2; - wc2 = c3 << 8 | c4; - } - } else { - if (0xD8 <= c2 && c2 <= 0xDB) { - return NKF_ICONV_NOT_COMBINED; - } else { - wc = c2 << 8 | c1; - wc2 = c4 << 8 | c3; - } - } - - return unicode_iconv_combine(wc, wc2); -} - -static size_t -nkf_iconv_utf_16_nocombine(nkf_char c1, nkf_char c2) -{ - nkf_char wc; - if (input_endian == ENDIAN_BIG) - wc = c1 << 8 | c2; - else - wc = c2 << 8 | c1; - return (*unicode_iconv)(wc, TRUE); -} - -static nkf_char -w_iconv16(nkf_char c2, nkf_char c1, ARG_UNUSED nkf_char c0) -{ - (*oconv)(c2, c1); - return 16; /* different from w_iconv32 */ -} - -static nkf_char -w_iconv32(nkf_char c2, nkf_char c1, ARG_UNUSED nkf_char c0) -{ - (*oconv)(c2, c1); - return 32; /* different from w_iconv16 */ -} - -static nkf_char -utf32_to_nkf_char(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4) -{ - nkf_char wc; - - 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 wc; -} - -static size_t -nkf_iconv_utf_32(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4) -{ - nkf_char wc; - - if (c1 == EOF) { - (*oconv)(EOF, 0); - return 0; - } - - wc = utf32_to_nkf_char(c1, c2, c3, c4); - if (wc < 0) - return wc; - - return (*unicode_iconv)(wc, FALSE); -} - -static nkf_char -nkf_iconv_utf_32_combine(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4, nkf_char c5, nkf_char c6, nkf_char c7, nkf_char c8) -{ - nkf_char wc, wc2; - - wc = utf32_to_nkf_char(c1, c2, c3, c4); - if (wc < 0) - return wc; - wc2 = utf32_to_nkf_char(c5, c6, c7, c8); - if (wc2 < 0) - return wc2; - - return unicode_iconv_combine(wc, wc2); -} - -static size_t -nkf_iconv_utf_32_nocombine(nkf_char c1, nkf_char c2, nkf_char c3, nkf_char c4) -{ - nkf_char wc; - - wc = utf32_to_nkf_char(c1, c2, c3, c4); - return (*unicode_iconv)(wc, TRUE); -} -#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 -#define OUTPUT_UTF8(val) do { \ - 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); \ - } while (0) - -static void -w_oconv(nkf_char c2, nkf_char c1) -{ - nkf_char c3, c4; - nkf_char val, val2; - - 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; - OUTPUT_UTF8(val); - return; - } - - if (c2 == 0) { - (*o_putc)(c1); - } else { - val = e2w_conv(c2, c1); - if (val){ - val2 = e2w_combining(val, c2, c1); - if (val2) - OUTPUT_UTF8(val2); - OUTPUT_UTF8(val); - } - } -} - -#define OUTPUT_UTF16_BYTES(c1, c2) do { \ - if (output_endian == ENDIAN_LITTLE){ \ - (*o_putc)(c1); \ - (*o_putc)(c2); \ - }else{ \ - (*o_putc)(c2); \ - (*o_putc)(c1); \ - } \ - } while (0) - -#define OUTPUT_UTF16(val) do { \ - if (nkf_char_unicode_bmp_p(val)) { \ - c2 = (val >> 8) & 0xff; \ - c1 = val & 0xff; \ - OUTPUT_UTF16_BYTES(c1, c2); \ - } else { \ - val &= VALUE_MASK; \ - if (val <= UNICODE_MAX) { \ - c2 = (val >> 10) + NKF_INT32_C(0xD7C0); /* high surrogate */ \ - c1 = (val & 0x3FF) + NKF_INT32_C(0xDC00); /* low surrogate */ \ - OUTPUT_UTF16_BYTES(c2 & 0xff, (c2 >> 8) & 0xff); \ - OUTPUT_UTF16_BYTES(c1 & 0xff, (c1 >> 8) & 0xff); \ - } \ - } \ - } while (0) - -static void -w_oconv16(nkf_char c2, nkf_char c1) -{ - if (output_bom_f) { - output_bom_f = FALSE; - OUTPUT_UTF16_BYTES(0xFF, 0xFE); - } - - if (c2 == EOF) { - (*o_putc)(EOF); - return; - } - - if (c2 == 0 && nkf_char_unicode_p(c1)) { - OUTPUT_UTF16(c1); - } else if (c2) { - nkf_char val, val2; - val = e2w_conv(c2, c1); - if (!val) return; - val2 = e2w_combining(val, c2, c1); - if (val2) - OUTPUT_UTF16(val2); - OUTPUT_UTF16(val); - } else { - OUTPUT_UTF16_BYTES(c1, c2); - } -} - -#define OUTPUT_UTF32(c) do { \ - if (output_endian == ENDIAN_LITTLE){ \ - (*o_putc)( (c) & 0xFF); \ - (*o_putc)(((c) >> 8) & 0xFF); \ - (*o_putc)(((c) >> 16) & 0xFF); \ - (*o_putc)(0); \ - }else{ \ - (*o_putc)(0); \ - (*o_putc)(((c) >> 16) & 0xFF); \ - (*o_putc)(((c) >> 8) & 0xFF); \ - (*o_putc)( (c) & 0xFF); \ - } \ - } while (0) - -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) { - nkf_char val, val2; - val = e2w_conv(c2, c1); - if (!val) return; - val2 = e2w_combining(val, c2, c1); - if (val2) - OUTPUT_UTF32(val2); - c1 = val; - } - OUTPUT_UTF32(c1); -} -#endif - -#define SCORE_L2 (1) /* Kanji Level 2 */ -#define SCORE_KANA (SCORE_L2 << 1) /* Halfwidth Katakana */ -#define SCORE_DEPEND (SCORE_KANA << 1) /* MD Characters */ -#define SCORE_CP932 (SCORE_DEPEND << 1) /* IBM extended characters */ -#define SCORE_X0212 (SCORE_CP932 << 1) /* JIS X 0212 */ -#define SCORE_X0213 (SCORE_X0212 << 1) /* JIS X 0213 */ -#define SCORE_NO_EXIST (SCORE_X0213 << 1) /* Undefined Characters */ -#define SCORE_iMIME (SCORE_NO_EXIST << 1) /* MIME selected */ -#define SCORE_ERROR (SCORE_iMIME << 1) /* Error */ - -#define SCORE_INIT (SCORE_iMIME) - -static const nkf_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_X0213, -}; - -static const nkf_char score_table_F0[] = { - SCORE_L2, SCORE_L2, SCORE_L2, SCORE_L2, - SCORE_L2, SCORE_DEPEND, SCORE_X0213, SCORE_X0213, - SCORE_DEPEND, SCORE_DEPEND, SCORE_CP932, SCORE_CP932, - SCORE_CP932, SCORE_X0213, SCORE_X0213, SCORE_ERROR, -}; - -static const nkf_char score_table_8FA0[] = { - 0, SCORE_X0213, SCORE_X0212, SCORE_X0213, - SCORE_X0213, SCORE_X0213, SCORE_X0212, SCORE_X0212, - SCORE_X0213, SCORE_X0212, SCORE_X0212, SCORE_X0212, - SCORE_X0213, SCORE_X0213, SCORE_X0213, SCORE_X0213, -}; - -static const nkf_char score_table_8FE0[] = { - SCORE_X0212, SCORE_X0212, SCORE_X0212, SCORE_X0212, - SCORE_X0212, SCORE_X0212, SCORE_X0212, SCORE_X0212, - SCORE_X0212, SCORE_X0212, SCORE_X0212, SCORE_X0212, - SCORE_X0212, SCORE_X0212, SCORE_X0213, SCORE_X0213, -}; - -static const nkf_char score_table_8FF0[] = { - SCORE_X0213, SCORE_X0213, SCORE_X0213, SCORE_X0212, - SCORE_X0212, SCORE_X0213, SCORE_X0213, SCORE_X0213, - SCORE_X0213, SCORE_X0213, SCORE_X0213, SCORE_X0213, - SCORE_X0213, SCORE_X0213, SCORE_X0213, SCORE_X0213, -}; - -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]; - nkf_char c1 = ptr->buf[1]; - if (c2 < 0){ - set_code_score(ptr, SCORE_ERROR); - }else if (c2 == SS2){ - set_code_score(ptr, SCORE_KANA); - }else if (c2 == 0x8f){ - if ((c1 & 0x70) == 0x20){ - set_code_score(ptr, score_table_8FA0[c1 & 0x0f]); - }else if ((c1 & 0x70) == 0x60){ - set_code_score(ptr, score_table_8FE0[c1 & 0x0f]); - }else if ((c1 & 0x70) == 0x70){ - set_code_score(ptr, score_table_8FF0[c1 & 0x0f]); - }else{ - 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; - } - } - } -} - -typedef struct { - nkf_buf_t *std_gc_buf; - nkf_char broken_state; - nkf_buf_t *broken_buf; - nkf_char mimeout_state; - nkf_buf_t *nfc_buf; -} nkf_state_t; - -static nkf_state_t *nkf_state = NULL; - -#define STD_GC_BUFSIZE (256) - -static void -nkf_state_init(void) -{ - if (nkf_state) { - nkf_buf_clear(nkf_state->std_gc_buf); - nkf_buf_clear(nkf_state->broken_buf); - nkf_buf_clear(nkf_state->nfc_buf); - } - else { - nkf_state = nkf_xmalloc(sizeof(nkf_state_t)); - nkf_state->std_gc_buf = nkf_buf_new(STD_GC_BUFSIZE); - nkf_state->broken_buf = nkf_buf_new(3); - nkf_state->nfc_buf = nkf_buf_new(9); - } - nkf_state->broken_state = 0; - nkf_state->mimeout_state = 0; -} - -#ifndef WIN32DLL -static nkf_char -std_getc(FILE *f) -{ - if (!nkf_buf_empty_p(nkf_state->std_gc_buf)){ - return nkf_buf_pop(nkf_state->std_gc_buf); - } - return getc(f); -} -#endif /*WIN32DLL*/ - -static nkf_char -std_ungetc(nkf_char c, ARG_UNUSED FILE *f) -{ - nkf_buf_push(nkf_state->std_gc_buf, c); - return c; -} - -#ifndef WIN32DLL -static void -std_putc(nkf_char c) -{ - if(c!=EOF) - putchar(c); -} -#endif /*WIN32DLL*/ - -static nkf_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++] = c2; - return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count); -} - -static int -h_conv(FILE *f, nkf_char c1, nkf_char c2) -{ - int ret; - int hold_index; - int fromhold_count; - nkf_char c3, c4; - - /** 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 (nkf_char_unicode_p(c1)) { - (*oconv)(0, c1); - continue; - } - else 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; - } - fromhold_count = 1; - if (hold_index < hold_count){ - c2 = hold_buf[hold_index++]; - fromhold_count++; - }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; - } - code_status(c3); - if (hold_index < hold_count){ - c4 = hold_buf[hold_index++]; - } else if ((c4 = (*i_getc)(f)) == EOF) { - c3 = ret = EOF; - break; - } - code_status(c4); - (*iconv)(c1, c2, (c3<<8)|c4); - break; - case -3: - /* 4 bytes UTF-8 (check combining character) */ - if (hold_index < hold_count){ - c3 = hold_buf[hold_index++]; - fromhold_count++; - } else if ((c3 = (*i_getc)(f)) == EOF) { - w_iconv_nocombine(c1, c2, 0); - break; - } - if (hold_index < hold_count){ - c4 = hold_buf[hold_index++]; - fromhold_count++; - } else if ((c4 = (*i_getc)(f)) == EOF) { - w_iconv_nocombine(c1, c2, 0); - if (fromhold_count <= 2) - (*i_ungetc)(c3,f); - else - hold_index--; - continue; - } - if (w_iconv_combine(c1, c2, 0, c3, c4, 0)) { - w_iconv_nocombine(c1, c2, 0); - if (fromhold_count <= 2) { - (*i_ungetc)(c4,f); - (*i_ungetc)(c3,f); - } else if (fromhold_count == 3) { - (*i_ungetc)(c4,f); - hold_index--; - } else { - hold_index -= 2; - } - } - break; - case -1: - /* 3 bytes EUC or UTF-8 */ - if (hold_index < hold_count){ - c3 = hold_buf[hold_index++]; - fromhold_count++; - } else if ((c3 = (*i_getc)(f)) == EOF) { - ret = EOF; - break; - } else { - code_status(c3); - } - if ((*iconv)(c1, c2, c3) == -3) { - /* 6 bytes UTF-8 (check combining character) */ - nkf_char c5, c6; - if (hold_index < hold_count){ - c4 = hold_buf[hold_index++]; - fromhold_count++; - } else if ((c4 = (*i_getc)(f)) == EOF) { - w_iconv_nocombine(c1, c2, c3); - continue; - } - if (hold_index < hold_count){ - c5 = hold_buf[hold_index++]; - fromhold_count++; - } else if ((c5 = (*i_getc)(f)) == EOF) { - w_iconv_nocombine(c1, c2, c3); - if (fromhold_count == 4) - hold_index--; - else - (*i_ungetc)(c4,f); - continue; - } - if (hold_index < hold_count){ - c6 = hold_buf[hold_index++]; - fromhold_count++; - } else if ((c6 = (*i_getc)(f)) == EOF) { - w_iconv_nocombine(c1, c2, c3); - if (fromhold_count == 5) { - hold_index -= 2; - } else if (fromhold_count == 4) { - hold_index--; - (*i_ungetc)(c5,f); - } else { - (*i_ungetc)(c5,f); - (*i_ungetc)(c4,f); - } - continue; - } - if (w_iconv_combine(c1, c2, c3, c4, c5, c6)) { - w_iconv_nocombine(c1, c2, c3); - if (fromhold_count == 6) { - hold_index -= 3; - } else if (fromhold_count == 5) { - hold_index -= 2; - (*i_ungetc)(c6,f); - } else if (fromhold_count == 4) { - hold_index--; - (*i_ungetc)(c6,f); - (*i_ungetc)(c5,f); - } else { - (*i_ungetc)(c6,f); - (*i_ungetc)(c5,f); - (*i_ungetc)(c4,f); - } - } - } - 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_bom_f = TRUE; - 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) { - input_bom_f = TRUE; - 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; - input_bom_f = TRUE; - 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; - input_bom_f = TRUE; - 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; - input_bom_f = TRUE; - return; - } - (*i_ungetc)(0xFE,f); - }else (*i_ungetc)(c2,f); - (*i_ungetc)(0xFF,f); - break; - default: - (*i_ungetc)(c2,f); - break; - } -} - -static nkf_char -broken_getc(FILE *f) -{ - nkf_char c, c1; - - if (!nkf_buf_empty_p(nkf_state->broken_buf)) { - return nkf_buf_pop(nkf_state->broken_buf); - } - c = (*i_bgetc)(f); - if (c=='$' && nkf_state->broken_state != ESC - && (input_mode == ASCII || input_mode == JIS_X_0201_1976_K)) { - c1= (*i_bgetc)(f); - nkf_state->broken_state = 0; - if (c1=='@'|| c1=='B') { - nkf_buf_push(nkf_state->broken_buf, c1); - nkf_buf_push(nkf_state->broken_buf, c); - return ESC; - } else { - (*i_bungetc)(c1,f); - return c; - } - } else if (c=='(' && nkf_state->broken_state != ESC - && (input_mode == JIS_X_0208 || input_mode == JIS_X_0201_1976_K)) { - c1= (*i_bgetc)(f); - nkf_state->broken_state = 0; - if (c1=='J'|| c1=='B') { - nkf_buf_push(nkf_state->broken_buf, c1); - nkf_buf_push(nkf_state->broken_buf, c); - return ESC; - } else { - (*i_bungetc)(c1,f); - return c; - } - } else { - nkf_state->broken_state = c; - return c; - } -} - -static nkf_char -broken_ungetc(nkf_char c, ARG_UNUSED FILE *f) -{ - if (nkf_buf_length(nkf_state->broken_buf) < 2) - nkf_buf_push(nkf_state->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); -} - -static void -put_newline(void (*func)(nkf_char)) -{ - switch (eolmode_f ? eolmode_f : DEFAULT_NEWLINE) { - case CRLF: - (*func)(0x0D); - (*func)(0x0A); - break; - case CR: - (*func)(0x0D); - break; - case LF: - (*func)(0x0A); - break; - } -} - -static void -oconv_newline(void (*func)(nkf_char, nkf_char)) -{ - switch (eolmode_f ? eolmode_f : DEFAULT_NEWLINE) { - case CRLF: - (*func)(0, 0x0D); - (*func)(0, 0x0A); - break; - case CR: - (*func)(0, 0x0D); - break; - case LF: - (*func)(0, 0x0A); - break; - } -} - -/* - 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) - || (f_prev == LF) - ) { /* 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 && nkf_isblank(c1)) || (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 += c2 == JIS_X_0201_1976_K ? 1: 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; - } else if (x0213_f && c1 == (0xdf&0x7f) && ev_x0213[(z_prev1-SP)*2]) { /* $BH>ByE@(B */ - z_prev2 = 0; - (*o_zconv)(ev_x0213[(z_prev1-SP)*2], ev_x0213[(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] || (x0213_f && ev_x0213[(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 = ">"; break; - case '<': entity = "<"; break; - case '\"': entity = """; break; - case '&': entity = "&"; 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) { - nkf_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, 0x365F, - 0x375F, 0x385F, 0x395F, 0x3A5F, 0x3E5F, 0x425F, 0x445F, 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; - } - } else if (c2 == 0 && nkf_char_unicode_p(c1) && - ((c1&VALUE_MASK) == 0x3099 || (c1&VALUE_MASK) == 0x309A)) { /* $B9g@.MQByE@!&H>ByE@(B */ - (*o_zconv)(JIS_X_0201_1976_K, 0x5E + (c1&VALUE_MASK) - 0x3099); - 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?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, 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, 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', '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, ARG_UNUSED 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, because 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 = 0; - 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(ARG_UNUSED 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_X0213) - input_codename = "EUC-JIS-2004"; - else 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%s%s\n", - input_codename, - iconv != w_iconv16 && iconv != w_iconv32 ? "" : - input_endian == ENDIAN_LITTLE ? " LE" : - input_endian == ENDIAN_BIG ? " BE" : - "[BUG]", - input_bom_f ? " (BOM)" : "", - 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[12]; - nkf_char 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 - -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; - nkf_buf_t *buf = nkf_state->nfc_buf; - const unsigned char *array; - int lower=0, upper=NORMALIZATION_TABLE_LENGTH-1; - nkf_char c = (*g)(f); - - if (c == EOF || c > 0xFF || (c & 0xc0) == 0x80) return c; - - nkf_buf_push(buf, c); - do { - while (lower <= upper) { - int mid = (lower+upper) / 2; - int len; - array = normalization_table[mid].nfd; - for (len=0; len < NORMALIZATION_TABLE_NFD_LENGTH && array[len]; len++) { - if (len >= nkf_buf_length(buf)) { - c = (*g)(f); - if (c == EOF) { - len = 0; - lower = 1, upper = 0; - break; - } - nkf_buf_push(buf, c); - } - if (array[len] != nkf_buf_at(buf, len)) { - if (array[len] < nkf_buf_at(buf, len)) lower = mid + 1; - else upper = mid - 1; - len = 0; - break; - } - } - if (len > 0) { - int i; - array = normalization_table[mid].nfc; - nkf_buf_clear(buf); - for (i=0; i < NORMALIZATION_TABLE_NFC_LENGTH && array[i]; i++) - nkf_buf_push(buf, array[i]); - break; - } - } - } while (lower <= upper); - - while (nkf_buf_length(buf) > 1) (*u)(nkf_buf_pop(buf), f); - c = nkf_buf_pop(buf); - - return c; -} - -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 = nkf_xmalloc((lwsp_size+5)*sizeof(char)); - while ((c1=(*i_getc)(f))!=EOF) { - switch (c1) { - case LF: - case CR: - if (c1==LF) { - if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) { - 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 && nkf_isblank(c1)) { - 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 = nkf_xrealloc(lwsp_buf, (lwsp_size+5)*sizeof(char)); - 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]; - } - nkf_xfree(lwsp_buf); - return c1; - } - if (c1=='='&&c2<SP) { /* this is soft wrap */ - while((c1 = (*i_mgetc)(f)) <=SP) { - if (c1 == 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 = nkf_xmalloc((lwsp_size+5)*sizeof(char)); - while ((c1=(*i_getc)(f))!=EOF) { - switch (c1) { - case LF: - case CR: - if (c1==LF) { - if ((c1=(*i_getc)(f))!=EOF && nkf_isblank(c1)) { - 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 && nkf_isblank(c1)) { - 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 = nkf_xrealloc(lwsp_buf, (lwsp_size+5)*sizeof(char)); - 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]; - } - nkf_xfree(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 74 -static struct { - unsigned char buf[MIMEOUT_BUF_LENGTH+1]; - int count; -} 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 && nkf_isspace(mimeout_state.buf[i])) { - i++; - } - } - for (;i<mimeout_state.count;i++) { - if (nkf_isspace(mimeout_state.buf[i])) { - (*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 ((c2 != 0 || c1 > DEL) && 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[((nkf_state->mimeout_state & 0x3)<< 4)]); - (*o_mputc)('='); - (*o_mputc)('='); - base64_count += 3; - break; - case 1: - (*o_mputc)(basis_64[((nkf_state->mimeout_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': - nkf_state->mimeout_state=c; - (*o_mputc)(basis_64[c>>2]); - mimeout_mode=2; - base64_count ++; - break; - case 2: - (*o_mputc)(basis_64[((nkf_state->mimeout_state & 0x3)<< 4) | ((c & 0xF0) >> 4)]); - nkf_state->mimeout_state=c; - mimeout_mode=1; - base64_count ++; - break; - case 1: - (*o_mputc)(basis_64[((nkf_state->mimeout_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; - } - } - if (c != 0x1B) { - (*o_mputc)(c); - base64_count++; - return; - } - } - } - - if (mimeout_mode <= 0) { - if (c <= DEL && (output_mode==ASCII || output_mode == ISO_8859_1 || - output_mode == UTF_8)) { - 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){ - static const char *str = "boundary=\""; - static int len = 10; - i = 0; - - for (; i < mimeout_state.count - len; ++i) { - if (!strncmp((char *)(mimeout_state.buf+i), str, len)) { - i += len - 2; - break; - } - } - - if (i == 0 || i == mimeout_state.count - len) { - put_newline(o_mputc); - base64_count = 0; - if (!nkf_isspace(mimeout_state.buf[0])){ - (*o_mputc)(SP); - base64_count++; - } - } - else { - int j; - for (j = 0; j <= i; ++j) { - (*o_mputc)(mimeout_state.buf[j]); - } - put_newline(o_mputc); - base64_count = 1; - for (; j <= mimeout_state.count; ++j) { - mimeout_state.buf[j - i] = mimeout_state.buf[j]; - } - mimeout_state.count -= i; - } - } - 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 || - output_mode == UTF_8)) { - 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 { - 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 (nkf_isspace(c)) { - 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 (j=0;j<mimeout_state.count;j++) { - (*o_mputc)(mimeout_state.buf[j]); - 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 = nkf_xmalloc(converter->input_buffer_size); - converter->output_buffer_size = IOBUF_SIZE * 2; - converter->output_buffer = nkf_xmalloc(converter->output_buffer_size); - 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) -{ - nkf_xfree(converter->inbuf); - nkf_xfree(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 = NKF_UNSPECIFIED; - 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; - z_prev2=0,z_prev1=0; -#ifdef CHECK_OPTION - iconv_for_check = 0; -#endif - input_codename = NULL; - input_encoding = NULL; - output_encoding = NULL; - nkf_state_init(); -#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; - if (nkf_enc_unicode_p(output_encoding)) - output_mode = UTF_8; - - if (x0201_f == NKF_UNSPECIFIED) { - x0201_f = X0201_DEFAULT; - } - - /* replace continuation module, from output side */ - - /* output redirection */ -#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 redirection */ -#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 (void)0 /* 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 */ - int 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_char c5, c6, c7, c8; - if (nkf_iconv_utf_32(c1, c2, c3, c4) == (size_t)NKF_ICONV_WAIT_COMBINING_CHAR) { - if ((c5 = (*i_getc)(f)) != EOF && - (c6 = (*i_getc)(f)) != EOF && - (c7 = (*i_getc)(f)) != EOF && - (c8 = (*i_getc)(f)) != EOF) { - if (nkf_iconv_utf_32_combine(c1, c2, c3, c4, c5, c6, c7, c8)) { - (*i_ungetc)(c8, f); - (*i_ungetc)(c7, f); - (*i_ungetc)(c6, f); - (*i_ungetc)(c5, f); - nkf_iconv_utf_32_nocombine(c1, c2, c3, c4); - } - } else { - nkf_iconv_utf_32_nocombine(c1, c2, c3, c4); - } - } - } - goto finished; - } - else if (iconv == w_iconv16) { - while ((c1 = (*i_getc)(f)) != EOF && - (c2 = (*i_getc)(f)) != EOF) { - size_t ret = nkf_iconv_utf_16(c1, c2, 0, 0); - if (ret == NKF_ICONV_NEED_TWO_MORE_BYTES && - (c3 = (*i_getc)(f)) != EOF && - (c4 = (*i_getc)(f)) != EOF) { - nkf_iconv_utf_16(c1, c2, c3, c4); - } else if (ret == (size_t)NKF_ICONV_WAIT_COMBINING_CHAR) { - if ((c3 = (*i_getc)(f)) != EOF && - (c4 = (*i_getc)(f)) != EOF) { - if (nkf_iconv_utf_16_combine(c1, c2, c3, c4)) { - (*i_ungetc)(c4, f); - (*i_ungetc)(c3, f); - nkf_iconv_utf_16_nocombine(c1, c2); - } - } else { - nkf_iconv_utf_16_nocombine(c1, c2); - } - } - } - goto finished; - } -#endif - - while ((c1 = (*i_getc)(f)) != EOF) { -#ifdef INPUT_CODE_FIX - if (!input_encoding) -#endif - code_status(c1); - if (c2) { - /* second byte */ - if (c2 > ((input_encoding && nkf_enc_cp5022x_p(input_encoding)) ? 0x92 : DEL)) { - /* in case of 8th bit is on */ - if (!estab_f&&!mime_decode_mode) { - /* in case of not established yet */ - /* It is still ambiguous */ - 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 if (nkf_char_unicode_p(c1)) { - (*oconv)(0, c1); - NEXT; - } - else { - /* first byte */ - if (input_mode == JIS_X_0208 && DEL <= c1 && c1 < 0x92) { - /* CP5022x */ - MORE; - }else if (input_codename && input_codename[0] == 'I' && - 0xA1 <= c1 && c1 <= 0xDF) { - /* JIS X 0201 Katakana in 8bit JIS */ - c2 = JIS_X_0201_1976_K; - c1 &= 0x7f; - SEND; - } 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); - 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); - shift_mode = 1; - 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 { - i_ungetc(c1,f); - /* lonely ESC */ - (*oconv)(0, ESC); - SKIP; - } - } else if (c1 == ESC && iconv == s_iconv) { - /* ESC in Shift_JIS */ - if ((c1 = (*i_getc)(f)) == EOF) { - (*oconv)(0, ESC); - LAST; - } else if (c1 == '$') { - /* J-PHONE emoji */ - if ((c1 = (*i_getc)(f)) == EOF) { - LAST; - } else if (('E' <= c1 && c1 <= 'G') || - ('O' <= c1 && c1 <= 'Q')) { - /* - NUM : 0 1 2 3 4 5 - BYTE: G E F O P Q - C%7 : 1 6 0 2 3 4 - C%7 : 0 1 2 3 4 5 6 - NUM : 2 0 3 4 5 X 1 - */ - static const nkf_char jphone_emoji_first_table[7] = - {0xE1E0, 0xDFE0, 0xE2E0, 0xE3E0, 0xE4E0, 0xDFE0, 0xE0E0}; - c3 = nkf_char_unicode_new(jphone_emoji_first_table[c1 % 7]); - if ((c1 = (*i_getc)(f)) == EOF) LAST; - while (SP <= c1 && c1 <= 'z') { - (*oconv)(0, c1 + c3); - if ((c1 = (*i_getc)(f)) == EOF) LAST; - } - SKIP; - } - else { - (*oconv)(0, ESC); - (*oconv)(0, '$'); - SEND; - } - } - else { - i_ungetc(c1,f); - /* lonely ESC */ - (*oconv)(0, ESC); - SKIP; - } - } 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 -3: - /* 4 bytes UTF-8 (check combining character) */ - if ((c3 = (*i_getc)(f)) != EOF) { - if ((c4 = (*i_getc)(f)) != EOF) { - if (w_iconv_combine(c2, c1, 0, c3, c4, 0)) { - (*i_ungetc)(c4, f); - (*i_ungetc)(c3, f); - w_iconv_nocombine(c2, c1, 0); - } - } else { - (*i_ungetc)(c3, f); - w_iconv_nocombine(c2, c1, 0); - } - } else { - w_iconv_nocombine(c2, c1, 0); - } - break; - case -1: - /* 3 bytes EUC or UTF-8 */ - if ((c3 = (*i_getc)(f)) != EOF) { - code_status(c3); - if ((*iconv)(c2, c1, c3) == -3) { - /* 6 bytes UTF-8 (check combining character) */ - nkf_char c5, c6; - if ((c4 = (*i_getc)(f)) != EOF) { - if ((c5 = (*i_getc)(f)) != EOF) { - if ((c6 = (*i_getc)(f)) != EOF) { - if (w_iconv_combine(c2, c1, c3, c4, c5, c6)) { - (*i_ungetc)(c6, f); - (*i_ungetc)(c5, f); - (*i_ungetc)(c4, f); - w_iconv_nocombine(c2, c1, c3); - } - } else { - (*i_ungetc)(c5, f); - (*i_ungetc)(c4, f); - w_iconv_nocombine(c2, c1, c3); - } - } else { - (*i_ungetc)(c4, f); - w_iconv_nocombine(c2, c1, c3); - } - } else { - w_iconv_nocombine(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 */ - } - -finished: - /* 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<(int)(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{ -#ifndef PERL_XS - if (strcmp(long_option[i].name, "help") == 0){ - usage(); - exit(EXIT_SUCCESS); - } -#endif - 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; */ - if (!enc) 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 = (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 = (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(SHIFT_JIS); - 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/H */ - /* ESC ( H was used in initial JUNET messages */ - 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(EXIT_SUCCESS); - break; - case 'v': - version(); - exit(EXIT_SUCCESS); - break; -#endif -#ifdef UTF8_OUTPUT_ENABLE - case 'w': /* UTF-{8,16,32} 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; - output_bom_f = TRUE; - } else if (cp[0] == 'B') { - cp++; - output_bom_f = TRUE; - } - if (cp[0] == '0'){ - output_bom_f = FALSE; - cp++; - enc_idx = enc_idx == UTF_16 - ? (output_endian == ENDIAN_LITTLE ? UTF_16LE : UTF_16BE) - : (output_endian == ENDIAN_LITTLE ? UTF_32LE : UTF_32BE); - } else { - 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': /* Shift_JIS input */ - input_encoding = nkf_enc_from_index(SHIFT_JIS); - 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 <='4') { - alpha_f |= 1 << (*cp++ - '0'); - } - 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 multiple options in a string are allowed for Perl module */ - 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 - nkf_state_init(); - - 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 = nkf_xmalloc(strlen(origfname) - + strlen(".nkftmpXXXXXX") - + 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); - } - nkf_xfree(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); - } - nkf_xfree(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 */ |