diff options
Diffstat (limited to 'iconvdata/iso-2022-jp-3.c')
| -rw-r--r-- | iconvdata/iso-2022-jp-3.c | 793 |
1 files changed, 793 insertions, 0 deletions
diff --git a/iconvdata/iso-2022-jp-3.c b/iconvdata/iso-2022-jp-3.c new file mode 100644 index 0000000000..29e7be93fc --- /dev/null +++ b/iconvdata/iso-2022-jp-3.c @@ -0,0 +1,793 @@ +/* Conversion module for ISO-2022-JP-3. + Copyright (C) 1998-1999, 2000-2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998, + and Bruno Haible <bruno@clisp.org>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <assert.h> +#include <dlfcn.h> +#include <gconv.h> +#include <stdint.h> +#include <string.h> + +#include "jis0201.h" +#include "jis0208.h" +#include "jisx0213.h" + +/* This makes obvious what everybody knows: 0x1b is the Esc character. */ +#define ESC 0x1b + +/* Definitions used in the body of the `gconv' function. */ +#define CHARSET_NAME "ISO-2022-JP-3//" +#define FROM_LOOP from_iso2022jp3_loop +#define TO_LOOP to_iso2022jp3_loop +#define DEFINE_INIT 1 +#define DEFINE_FINI 1 +#define FROM_LOOP_MIN_NEEDED_FROM 1 +#define FROM_LOOP_MAX_NEEDED_FROM 4 +#define FROM_LOOP_MIN_NEEDED_TO 4 +#define FROM_LOOP_MAX_NEEDED_TO 8 +#define TO_LOOP_MIN_NEEDED_FROM 4 +#define TO_LOOP_MAX_NEEDED_FROM 4 +#define TO_LOOP_MIN_NEEDED_TO 1 +#define TO_LOOP_MAX_NEEDED_TO 6 +#define PREPARE_LOOP \ + int saved_state; \ + int *statep = &data->__statep->__count; +#define EXTRA_LOOP_ARGS , statep + + +/* The COUNT element of the state keeps track of the currently selected + character set. The possible values are: */ +enum +{ + ASCII_set = 0, /* Esc ( B */ + JISX0208_1978_set = 1 << 3, /* Esc $ @ */ + JISX0208_1983_set = 2 << 3, /* Esc $ B */ + JISX0201_Roman_set = 3 << 3, /* Esc ( J */ + JISX0201_Kana_set = 4 << 3, /* Esc ( I */ + JISX0213_1_set = 5 << 3, /* Esc $ ( O */ + JISX0213_2_set = 6 << 3, /* Esc $ ( P */ + CURRENT_SEL_MASK = 7 << 3 +}; + +/* During UCS-4 to ISO-2022-JP-3 conversion, the COUNT element of the state + also contains the last two bytes to be output, shifted by 6 bits, and a + one-bit indicator whether they must be preceded by the shift sequence, + in bit 22. */ + +/* Since this is a stateful encoding we have to provide code which resets + the output state to the initial state. This has to be done during the + flushing. */ +#define EMIT_SHIFT_TO_INIT \ + if ((data->__statep->__count & ~7) != ASCII_set) \ + { \ + if (FROM_DIRECTION) \ + { \ + /* It's easy, we don't have to emit anything, we just reset the \ + state for the input. */ \ + data->__statep->__count &= 7; \ + data->__statep->__count |= ASCII_set; \ + } \ + else \ + { \ + /* We are not in the initial state. To switch back we have \ + to write out the buffered character and/or emit the sequence \ + `Esc ( B'. */ \ + size_t need = \ + (data->__statep->__count >> 6 \ + ? (data->__statep->__count >> 22 ? 3 : 0) + 2 \ + : 0) \ + + ((data->__statep->__count & CURRENT_SEL_MASK) != ASCII_set \ + ? 3 : 0); \ + \ + if (__builtin_expect (outbuf + need > outend, 0)) \ + /* We don't have enough room in the output buffer. */ \ + status = __GCONV_FULL_OUTPUT; \ + else \ + { \ + if (data->__statep->__count >> 6) \ + { \ + uint32_t lasttwo = data->__statep->__count >> 6; \ + \ + if (lasttwo >> 16) \ + { \ + /* Write out the shift sequence before the last \ + character. */ \ + int set = data->__statep->__count & CURRENT_SEL_MASK; \ + \ + assert (set == JISX0208_1983_set); \ + *outbuf++ = ESC; \ + *outbuf++ = '$'; \ + *outbuf++ = 'B'; \ + } \ + /* Write out the last character. */ \ + *outbuf++ = (lasttwo >> 8) & 0xff; \ + *outbuf++ = lasttwo & 0xff; \ + } \ + if ((data->__statep->__count & CURRENT_SEL_MASK) != ASCII_set) \ + { \ + /* Write out the shift sequence. */ \ + *outbuf++ = ESC; \ + *outbuf++ = '('; \ + *outbuf++ = 'B'; \ + } \ + data->__statep->__count &= 7; \ + data->__statep->__count |= ASCII_set; \ + } \ + } \ + } + + +/* Since we might have to reset input pointer we must be able to save + and retore the state. */ +#define SAVE_RESET_STATE(Save) \ + if (Save) \ + saved_state = *statep; \ + else \ + *statep = saved_state + + +/* First define the conversion function from ISO-2022-JP-3 to UCS-4. */ +#define MIN_NEEDED_INPUT FROM_LOOP_MIN_NEEDED_FROM +#define MAX_NEEDED_INPUT FROM_LOOP_MAX_NEEDED_FROM +#define MIN_NEEDED_OUTPUT FROM_LOOP_MIN_NEEDED_TO +#define MAX_NEEDED_OUTPUT FROM_LOOP_MAX_NEEDED_TO +#define LOOPFCT FROM_LOOP +#define BODY \ + { \ + uint32_t ch = *inptr; \ + \ + /* Recognize escape sequences. */ \ + if (__builtin_expect (ch == ESC, 0)) \ + { \ + /* We now must be prepared to read two to three more bytes. \ + If we have a match in the first byte but then the input buffer \ + ends we terminate with an error since we must not risk missing \ + an escape sequence just because it is not entirely in the \ + current input buffer. */ \ + if (__builtin_expect (inptr + 2 >= inend, 0) \ + || (inptr[1] == '$' && inptr[2] == '(' \ + && __builtin_expect (inptr + 3 >= inend, 0))) \ + { \ + /* Not enough input available. */ \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + if (inptr[1] == '(') \ + { \ + if (inptr[2] == 'B') \ + { \ + /* ASCII selected. */ \ + set = ASCII_set; \ + inptr += 3; \ + continue; \ + } \ + else if (inptr[2] == 'J') \ + { \ + /* JIS X 0201 selected. */ \ + set = JISX0201_Roman_set; \ + inptr += 3; \ + continue; \ + } \ + else if (inptr[2] == 'I') \ + { \ + /* JIS X 0201 selected. */ \ + set = JISX0201_Kana_set; \ + inptr += 3; \ + continue; \ + } \ + } \ + else if (inptr[1] == '$') \ + { \ + if (inptr[2] == '@') \ + { \ + /* JIS X 0208-1978 selected. */ \ + set = JISX0208_1978_set; \ + inptr += 3; \ + continue; \ + } \ + else if (inptr[2] == 'B') \ + { \ + /* JIS X 0208-1983 selected. */ \ + set = JISX0208_1983_set; \ + inptr += 3; \ + continue; \ + } \ + else if (inptr[2] == '(') \ + { \ + if (inptr[3] == 'O') \ + { \ + /* JIS X 0213 plane 1 selected. */ \ + set = JISX0213_1_set; \ + inptr += 4; \ + continue; \ + } \ + else if (inptr[3] == 'P') \ + { \ + /* JIS X 0213 plane 2 selected. */ \ + set = JISX0213_2_set; \ + inptr += 4; \ + continue; \ + } \ + } \ + } \ + } \ + \ + if (ch >= 0x80) \ + { \ + if (! ignore_errors_p ()) \ + { \ + result = __GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + \ + ++inptr; \ + ++*irreversible; \ + continue; \ + } \ + else if (set == ASCII_set || (ch < 0x21 || ch == 0x7f)) \ + /* Almost done, just advance the input pointer. */ \ + ++inptr; \ + else if (set == JISX0201_Roman_set) \ + { \ + /* Use the JIS X 0201 table. */ \ + ch = jisx0201_to_ucs4 (ch); \ + if (__builtin_expect (ch == __UNKNOWN_10646_CHAR, 0)) \ + { \ + if (! ignore_errors_p ()) \ + { \ + result = __GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + \ + ++inptr; \ + ++*irreversible; \ + continue; \ + } \ + ++inptr; \ + } \ + else if (set == JISX0201_Kana_set) \ + { \ + /* Use the JIS X 0201 table. */ \ + ch = jisx0201_to_ucs4 (ch + 0x80); \ + if (__builtin_expect (ch == __UNKNOWN_10646_CHAR, 0)) \ + { \ + if (! ignore_errors_p ()) \ + { \ + result = __GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + \ + ++inptr; \ + ++*irreversible; \ + continue; \ + } \ + ++inptr; \ + } \ + else if (set == JISX0208_1978_set || set == JISX0208_1983_set) \ + { \ + /* XXX I don't have the tables for these two old variants of \ + JIS X 0208. Therefore I'm using the tables for JIS X \ + 0208-1990. If somebody has problems with this please \ + provide the appropriate tables. */ \ + ch = jisx0208_to_ucs4 (&inptr, inend - inptr, 0); \ + \ + if (__builtin_expect (ch == 0, 0)) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + else if (__builtin_expect (ch == __UNKNOWN_10646_CHAR, 0)) \ + { \ + if (! ignore_errors_p ()) \ + { \ + result = __GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + \ + ++inptr; \ + ++*irreversible; \ + continue; \ + } \ + } \ + else /* (set == JISX0213_1_set || set == JISX0213_2_set) */ \ + { \ + if (__builtin_expect (inptr + 1 >= inend, 0)) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + ch = jisx0213_to_ucs4 (((set - JISX0213_1_set + (1 << 3)) << 5) + ch, \ + inptr[1]); \ + if (ch == 0) \ + { \ + if (! ignore_errors_p ()) \ + { \ + result = __GCONV_ILLEGAL_INPUT; \ + break; \ + } \ + \ + ++inptr; \ + ++*irreversible; \ + continue; \ + } \ + \ + if (ch < 0x80) \ + { \ + /* It's a combining character. */ \ + uint32_t u1 = __jisx0213_to_ucs_combining[ch - 1][0]; \ + uint32_t u2 = __jisx0213_to_ucs_combining[ch - 1][1]; \ + \ + /* See whether we have room for two characters. */ \ + if (outptr + 8 <= outend) \ + { \ + inptr += 2; \ + put32 (outptr, u1); \ + outptr += 4; \ + put32 (outptr, u2); \ + outptr += 4; \ + continue; \ + } \ + else \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + } \ + \ + inptr += 2; \ + } \ + \ + put32 (outptr, ch); \ + outptr += 4; \ + } +#define LOOP_NEED_FLAGS +#define EXTRA_LOOP_DECLS , int *statep +#define INIT_PARAMS int set = *statep +#define UPDATE_PARAMS *statep = set +#include <iconv/loop.c> + + +/* Next, define the other direction, from UCS-4 to ISO-2022-JP-3. */ + +/* Composition tables for each of the relevant combining characters. */ +static const struct +{ + uint16_t base; + uint16_t composed; +} comp_table_data[] = +{ +#define COMP_TABLE_IDX_02E5 0 +#define COMP_TABLE_LEN_02E5 1 + { 0x2b64, 0x2b65 }, /* 0x12B65 = 0x12B64 U+02E5 */ +#define COMP_TABLE_IDX_02E9 (COMP_TABLE_IDX_02E5 + COMP_TABLE_LEN_02E5) +#define COMP_TABLE_LEN_02E9 1 + { 0x2b60, 0x2b66 }, /* 0x12B66 = 0x12B60 U+02E9 */ +#define COMP_TABLE_IDX_0300 (COMP_TABLE_IDX_02E9 + COMP_TABLE_LEN_02E9) +#define COMP_TABLE_LEN_0300 5 + { 0x295c, 0x2b44 }, /* 0x12B44 = 0x1295C U+0300 */ + { 0x2b38, 0x2b48 }, /* 0x12B48 = 0x12B38 U+0300 */ + { 0x2b37, 0x2b4a }, /* 0x12B4A = 0x12B37 U+0300 */ + { 0x2b30, 0x2b4c }, /* 0x12B4C = 0x12B30 U+0300 */ + { 0x2b43, 0x2b4e }, /* 0x12B4E = 0x12B43 U+0300 */ +#define COMP_TABLE_IDX_0301 (COMP_TABLE_IDX_0300 + COMP_TABLE_LEN_0300) +#define COMP_TABLE_LEN_0301 4 + { 0x2b38, 0x2b49 }, /* 0x12B49 = 0x12B38 U+0301 */ + { 0x2b37, 0x2b4b }, /* 0x12B4B = 0x12B37 U+0301 */ + { 0x2b30, 0x2b4d }, /* 0x12B4D = 0x12B30 U+0301 */ + { 0x2b43, 0x2b4f }, /* 0x12B4F = 0x12B43 U+0301 */ +#define COMP_TABLE_IDX_309A (COMP_TABLE_IDX_0301 + COMP_TABLE_LEN_0301) +#define COMP_TABLE_LEN_309A 14 + { 0x242b, 0x2477 }, /* 0x12477 = 0x1242B U+309A */ + { 0x242d, 0x2478 }, /* 0x12478 = 0x1242D U+309A */ + { 0x242f, 0x2479 }, /* 0x12479 = 0x1242F U+309A */ + { 0x2431, 0x247a }, /* 0x1247A = 0x12431 U+309A */ + { 0x2433, 0x247b }, /* 0x1247B = 0x12433 U+309A */ + { 0x252b, 0x2577 }, /* 0x12577 = 0x1252B U+309A */ + { 0x252d, 0x2578 }, /* 0x12578 = 0x1252D U+309A */ + { 0x252f, 0x2579 }, /* 0x12579 = 0x1252F U+309A */ + { 0x2531, 0x257a }, /* 0x1257A = 0x12531 U+309A */ + { 0x2533, 0x257b }, /* 0x1257B = 0x12533 U+309A */ + { 0x253b, 0x257c }, /* 0x1257C = 0x1253B U+309A */ + { 0x2544, 0x257d }, /* 0x1257D = 0x12544 U+309A */ + { 0x2548, 0x257e }, /* 0x1257E = 0x12548 U+309A */ + { 0x2675, 0x2678 }, /* 0x12678 = 0x12675 U+309A */ +}; + +#define MIN_NEEDED_INPUT TO_LOOP_MIN_NEEDED_FROM +#define MAX_NEEDED_INPUT TO_LOOP_MAX_NEEDED_FROM +#define MIN_NEEDED_OUTPUT TO_LOOP_MIN_NEEDED_TO +#define MAX_NEEDED_OUTPUT TO_LOOP_MAX_NEEDED_TO +#define LOOPFCT TO_LOOP +#define BODY \ + { \ + uint32_t ch = get32 (inptr); \ + \ + if (lasttwo != 0) \ + { \ + /* Attempt to combine the last character with this one. */ \ + unsigned int idx; \ + unsigned int len; \ + \ + if (ch == 0x02e5) \ + idx = COMP_TABLE_IDX_02E5, len = COMP_TABLE_LEN_02E5; \ + else if (ch == 0x02e9) \ + idx = COMP_TABLE_IDX_02E9, len = COMP_TABLE_LEN_02E9; \ + else if (ch == 0x0300) \ + idx = COMP_TABLE_IDX_0300, len = COMP_TABLE_LEN_0300; \ + else if (ch == 0x0301) \ + idx = COMP_TABLE_IDX_0301, len = COMP_TABLE_LEN_0301; \ + else if (ch == 0x309a) \ + idx = COMP_TABLE_IDX_309A, len = COMP_TABLE_LEN_309A; \ + else \ + goto not_combining; \ + \ + do \ + if (comp_table_data[idx].base == (uint16_t) lasttwo) \ + break; \ + while (++idx, --len > 0); \ + \ + if (len > 0) \ + { \ + /* Output the combined character. */ \ + /* We know the combined character is in JISX0213 plane 1, \ + but the buffered character may have been in JISX0208 or in \ + JISX0213 plane 1. */ \ + size_t need = (lasttwo >> 16 || set != JISX0213_1_set ? 4 : 0); \ + \ + if (__builtin_expect (outptr + need + 2 > outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + if (need) \ + { \ + /* But first, output the escape sequence. */ \ + *outptr++ = ESC; \ + *outptr++ = '$'; \ + *outptr++ = '('; \ + *outptr++ = 'O'; \ + set = JISX0213_1_set; \ + } \ + lasttwo = comp_table_data[idx].composed; \ + *outptr++ = (lasttwo >> 8) & 0xff; \ + *outptr++ = lasttwo & 0xff; \ + lasttwo = 0; \ + inptr += 4; \ + continue; \ + } \ + \ + not_combining: \ + /* Output the buffered character. */ \ + /* We know it is in JISX0208 or in JISX0213 plane 1. */ \ + { \ + size_t need = (lasttwo >> 16 ? 3 : 0); \ + \ + if (__builtin_expect (outptr + need + 2 > outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + if (need) \ + { \ + /* But first, output the escape sequence. */ \ + assert (set == JISX0208_1983_set); \ + *outptr++ = ESC; \ + *outptr++ = '$'; \ + *outptr++ = 'B'; \ + } \ + *outptr++ = (lasttwo >> 8) & 0xff; \ + *outptr++ = lasttwo & 0xff; \ + lasttwo = 0; \ + continue; \ + } \ + } \ + \ + /* First see whether we can write the character using the currently \ + selected character set. */ \ + if (set == ASCII_set) \ + { \ + /* Please note that the NUL byte is *not* matched if we are not \ + currently using the ASCII charset. This is because we must \ + switch to the initial state whenever a NUL byte is written. */ \ + if (ch <= 0x7f) \ + { \ + *outptr++ = ch; \ + inptr += 4; \ + continue; \ + } \ + } \ + /* ISO-2022-JP recommends to encode the newline character always in \ + ASCII since this allows a context-free interpretation of the \ + characters at the beginning of the next line. Otherwise it would \ + have to be known whether the last line ended using ASCII or \ + JIS X 0201. */ \ + else if (set == JISX0201_Roman_set) \ + { \ + unsigned char buf[1]; \ + if (ucs4_to_jisx0201 (ch, buf) != __UNKNOWN_10646_CHAR \ + && buf[0] > 0x20 && buf[0] < 0x80) \ + { \ + *outptr++ = buf[0]; \ + inptr += 4; \ + continue; \ + } \ + } \ + else if (set == JISX0201_Kana_set) \ + { \ + unsigned char buf[1]; \ + if (ucs4_to_jisx0201 (ch, buf) != __UNKNOWN_10646_CHAR \ + && buf[0] >= 0x80) \ + { \ + *outptr++ = buf[0] - 0x80; \ + inptr += 4; \ + continue; \ + } \ + } \ + else if (/*set == JISX0208_1978_set || */ set == JISX0208_1983_set) \ + { \ + size_t written = ucs4_to_jisx0208 (ch, outptr, outend - outptr); \ + \ + if (written != __UNKNOWN_10646_CHAR) \ + { \ + uint32_t jch = ucs4_to_jisx0213 (ch); \ + \ + if (jch & 0x0080) \ + { \ + /* A possible match in comp_table_data. Buffer it. */ \ + lasttwo = jch & 0x7f7f; \ + inptr += 4; \ + continue; \ + } \ + if (__builtin_expect (written == 0, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + else \ + { \ + outptr += written; \ + inptr += 4; \ + continue; \ + } \ + } \ + } \ + else \ + { \ + /* (set == JISX0213_1_set || set == JISX0213_2_set) */ \ + uint32_t jch = ucs4_to_jisx0213 (ch); \ + \ + if (jch != 0 \ + && (set == (jch & 0x8000 ? JISX0213_2_set : JISX0213_1_set))) \ + { \ + if (jch & 0x0080) \ + { \ + /* A possible match in comp_table_data. Buffer it. */ \ + \ + /* We know it's a JISX 0213 plane 1 character. */ \ + assert ((jch & 0x8000) == 0); \ + \ + lasttwo = jch & 0x7f7f; \ + inptr += 4; \ + continue; \ + } \ + \ + if (__builtin_expect (outptr + 1 >= outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = (jch >> 8) & 0x7f; \ + *outptr++ = jch & 0x7f; \ + inptr += 4; \ + continue; \ + } \ + } \ + \ + /* The attempts to use the currently selected character set failed, \ + either because the character requires a different character set, \ + or because the character is unknown. */ \ + \ + if (ch <= 0x7f) \ + { \ + /* We must encode using ASCII. First write out the escape \ + sequence. */ \ + if (__builtin_expect (outptr + 3 > outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + \ + *outptr++ = ESC; \ + *outptr++ = '('; \ + *outptr++ = 'B'; \ + set = ASCII_set; \ + \ + if (__builtin_expect (outptr >= outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ch; \ + } \ + else \ + { \ + unsigned char buf[2]; \ + \ + /* Try JIS X 0201 Roman. */ \ + if (ucs4_to_jisx0201 (ch, buf) != __UNKNOWN_10646_CHAR \ + && buf[0] > 0x20 && buf[0] < 0x80) \ + { \ + if (set != JISX0201_Roman_set) \ + { \ + if (__builtin_expect (outptr + 3 > outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '('; \ + *outptr++ = 'J'; \ + set = JISX0201_Roman_set; \ + } \ + \ + if (__builtin_expect (outptr >= outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = buf[0]; \ + } \ + else \ + { \ + uint32_t jch = ucs4_to_jisx0213 (ch); \ + \ + /* Try JIS X 0208. */ \ + size_t written = ucs4_to_jisx0208 (ch, buf, 2); \ + if (written != __UNKNOWN_10646_CHAR) \ + { \ + if (jch & 0x0080) \ + { \ + /* A possible match in comp_table_data. Buffer it. */ \ + lasttwo = ((set != JISX0208_1983_set ? 1 : 0) << 16) \ + | (jch & 0x7f7f); \ + set = JISX0208_1983_set; \ + inptr += 4; \ + continue; \ + } \ + \ + if (set != JISX0208_1983_set) \ + { \ + if (__builtin_expect (outptr + 3 > outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '$'; \ + *outptr++ = 'B'; \ + set = JISX0208_1983_set; \ + } \ + \ + if (__builtin_expect (outptr + 2 > outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = buf[0]; \ + *outptr++ = buf[1]; \ + } \ + else \ + { \ + /* Try JIS X 0213. */ \ + if (jch != 0) \ + { \ + int new_set = \ + (jch & 0x8000 ? JISX0213_2_set : JISX0213_1_set); \ + \ + if (set != new_set) \ + { \ + if (__builtin_expect (outptr + 4 > outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '$'; \ + *outptr++ = '('; \ + *outptr++ = ((new_set - JISX0213_1_set) >> 3) + 'O'; \ + set = new_set; \ + } \ + \ + if (jch & 0x0080) \ + { \ + /* A possible match in comp_table_data. \ + Buffer it. */ \ + \ + /* We know it's a JIS X 0213 plane 1 character. */ \ + assert ((jch & 0x8000) == 0); \ + \ + lasttwo = jch & 0x7f7f; \ + inptr += 4; \ + continue; \ + } \ + \ + if (__builtin_expect (outptr + 1 >= outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = (jch >> 8) & 0x7f; \ + *outptr++ = jch & 0x7f; \ + } \ + else \ + { \ + /* Try JIS X 0201 Katakana. This is officially not part \ + of ISO-2022-JP-3. Therefore we try it after all other \ + attempts. */ \ + if (ucs4_to_jisx0201 (ch, buf) != __UNKNOWN_10646_CHAR \ + && buf[0] >= 0x80) \ + { \ + if (set != JISX0201_Kana_set) \ + { \ + if (__builtin_expect (outptr + 3 > outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '('; \ + *outptr++ = 'I'; \ + set = JISX0201_Kana_set; \ + } \ + \ + if (__builtin_expect (outptr >= outend, 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = buf[0] - 0x80; \ + } \ + else \ + { \ + UNICODE_TAG_HANDLER (ch, 4); \ + \ + /* Illegal character. */ \ + STANDARD_ERR_HANDLER (4); \ + } \ + } \ + } \ + } \ + } \ + \ + /* Now that we wrote the output increment the input pointer. */ \ + inptr += 4; \ + } +#define LOOP_NEED_FLAGS +#define EXTRA_LOOP_DECLS , int *statep +#define INIT_PARAMS int set = *statep & CURRENT_SEL_MASK; \ + uint32_t lasttwo = *statep >> 6 +#define UPDATE_PARAMS *statep = set | (lasttwo << 6) +#include <iconv/loop.c> + + +/* Now define the toplevel functions. */ +#include <iconv/skeleton.c> |