diff options
Diffstat (limited to 'REORG.TODO/iconvdata/iso-2022-jp.c')
| -rw-r--r-- | REORG.TODO/iconvdata/iso-2022-jp.c | 1034 |
1 files changed, 1034 insertions, 0 deletions
diff --git a/REORG.TODO/iconvdata/iso-2022-jp.c b/REORG.TODO/iconvdata/iso-2022-jp.c new file mode 100644 index 0000000000..080c58ecb6 --- /dev/null +++ b/REORG.TODO/iconvdata/iso-2022-jp.c @@ -0,0 +1,1034 @@ +/* Conversion module for ISO-2022-JP and ISO-2022-JP-2. + Copyright (C) 1998-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. + + 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, see + <http://www.gnu.org/licenses/>. */ + +#include <assert.h> +#include <dlfcn.h> +#include <gconv.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> +#include "jis0201.h" +#include "jis0208.h" +#include "jis0212.h" +#include "gb2312.h" +#include "ksc5601.h" + +struct gap +{ + uint16_t start; + uint16_t end; + int32_t idx; +}; + +#include "iso8859-7jp.h" + +/* This makes obvious what everybody knows: 0x1b is the Esc character. */ +#define ESC 0x1b + +/* We provide our own initialization and destructor function. */ +#define DEFINE_INIT 0 +#define DEFINE_FINI 0 + +/* Definitions used in the body of the `gconv' function. */ +#define FROM_LOOP from_iso2022jp_loop +#define TO_LOOP to_iso2022jp_loop +#define ONE_DIRECTION 0 +#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 4 +#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 FROM_DIRECTION (dir == from_iso2022jp) +#define PREPARE_LOOP \ + enum direction dir = ((struct iso2022jp_data *) step->__data)->dir; \ + enum variant var = ((struct iso2022jp_data *) step->__data)->var; \ + int save_set; \ + int *setp = &data->__statep->__count; +#define EXTRA_LOOP_ARGS , var, setp + + +/* Direction of the transformation. */ +enum direction +{ + illegal_dir, + to_iso2022jp, + from_iso2022jp +}; + +/* We handle ISO-2022-jp and ISO-2022-JP-2 here. */ +enum variant +{ + illegal_var, + iso2022jp, + iso2022jp2 +}; + + +struct iso2022jp_data +{ + enum direction dir; + enum variant var; +}; + + +/* The COUNT element of the state keeps track of the currently selected + character set. The possible values are: */ +enum +{ + ASCII_set = 0, + JISX0208_1978_set = 1 << 3, + JISX0208_1983_set = 2 << 3, + JISX0201_Roman_set = 3 << 3, + JISX0201_Kana_set = 4 << 3, + GB2312_set = 5 << 3, + KSC5601_set = 6 << 3, + JISX0212_set = 7 << 3, + CURRENT_SEL_MASK = 7 << 3 +}; + +/* The second value stored is the designation of the G2 set. The following + values are possible: */ +enum +{ + UNSPECIFIED_set = 0, + ISO88591_set = 1 << 6, + ISO88597_set = 2 << 6, + CURRENT_ASSIGN_MASK = 3 << 6 +}; + +/* The third value, only used during conversion from Unicode to ISO-2022-JP-2, + describes the language tag parsing status. The possible values are as + follows. Values >= TAG_language are temporary tag parsing states. */ +enum +{ + TAG_none = 0, + TAG_language = 4 << 8, + TAG_language_j = 5 << 8, + TAG_language_ja = 1 << 8, + TAG_language_k = 6 << 8, + TAG_language_ko = 2 << 8, + TAG_language_z = 7 << 8, + TAG_language_zh = 3 << 8, + CURRENT_TAG_MASK = 7 << 8 +}; + + +extern int gconv_init (struct __gconv_step *step); +int +gconv_init (struct __gconv_step *step) +{ + /* Determine which direction. */ + struct iso2022jp_data *new_data; + enum direction dir = illegal_dir; + enum variant var = illegal_var; + int result; + + if (__strcasecmp (step->__from_name, "ISO-2022-JP//") == 0) + { + dir = from_iso2022jp; + var = iso2022jp; + } + else if (__strcasecmp (step->__to_name, "ISO-2022-JP//") == 0) + { + dir = to_iso2022jp; + var = iso2022jp; + } + else if (__strcasecmp (step->__from_name, "ISO-2022-JP-2//") == 0) + { + dir = from_iso2022jp; + var = iso2022jp2; + } + else if (__strcasecmp (step->__to_name, "ISO-2022-JP-2//") == 0) + { + dir = to_iso2022jp; + var = iso2022jp2; + } + + result = __GCONV_NOCONV; + if (__builtin_expect (dir, from_iso2022jp) != illegal_dir) + { + new_data + = (struct iso2022jp_data *) malloc (sizeof (struct iso2022jp_data)); + + result = __GCONV_NOMEM; + if (new_data != NULL) + { + new_data->dir = dir; + new_data->var = var; + step->__data = new_data; + + if (dir == from_iso2022jp) + { + step->__min_needed_from = FROM_LOOP_MIN_NEEDED_FROM; + step->__max_needed_from = FROM_LOOP_MAX_NEEDED_FROM; + step->__min_needed_to = FROM_LOOP_MIN_NEEDED_TO; + step->__max_needed_to = FROM_LOOP_MAX_NEEDED_TO; + } + else + { + step->__min_needed_from = TO_LOOP_MIN_NEEDED_FROM; + step->__max_needed_from = TO_LOOP_MAX_NEEDED_FROM; + step->__min_needed_to = TO_LOOP_MIN_NEEDED_TO; + step->__max_needed_to = TO_LOOP_MAX_NEEDED_TO; + } + + /* Yes, this is a stateful encoding. */ + step->__stateful = 1; + + result = __GCONV_OK; + } + } + + return result; +} + + +extern void gconv_end (struct __gconv_step *data); +void +gconv_end (struct __gconv_step *data) +{ + free (data->__data); +} + + +/* 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 \ + /* Avoid warning about unused variable 'var'. */ \ + (void) var; \ + \ + if ((data->__statep->__count & ~7) != ASCII_set) \ + { \ + if (dir == from_iso2022jp \ + || (data->__statep->__count & CURRENT_SEL_MASK) == ASCII_set) \ + { \ + /* It's easy, we don't have to emit anything, we just reset the \ + state for the input. Note that this also clears the G2 \ + designation. */ \ + data->__statep->__count &= 7; \ + data->__statep->__count |= ASCII_set; \ + } \ + else \ + { \ + /* We are not in the initial state. To switch back we have \ + to emit the sequence `Esc ( B'. */ \ + if (__glibc_unlikely (outbuf + 3 > outend)) \ + /* We don't have enough room in the output buffer. */ \ + status = __GCONV_FULL_OUTPUT; \ + else \ + { \ + /* Write out the shift sequence. */ \ + *outbuf++ = ESC; \ + *outbuf++ = '('; \ + *outbuf++ = 'B'; \ + /* Note that this also clears the G2 designation. */ \ + 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) \ + save_set = *setp; \ + else \ + *setp = save_set + + +/* First define the conversion function from ISO-2022-JP to UCS4. */ +#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, 0) == ESC) \ + { \ + /* We now must be prepared to read two to three more \ + characters. If we have a match in the first character 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) \ + || (var == iso2022jp2 && inptr[1] == '$' && inptr[2] == '(' \ + && __builtin_expect (inptr + 3 >= inend, 0))) \ + { \ + /* Not enough input available. */ \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + if (inptr[1] == '(') \ + { \ + if (inptr[2] == 'B') \ + { \ + /* ASCII selected. */ \ + set = ASCII_set; \ + inptr += 3; \ + continue; \ + } \ + else if (inptr[2] == 'J') \ + { \ + /* JIS X 0201 selected. */ \ + set = JISX0201_Roman_set; \ + inptr += 3; \ + continue; \ + } \ + else if (var == iso2022jp2 && inptr[2] == 'I') \ + { \ + /* JIS X 0201 selected. */ \ + set = JISX0201_Kana_set; \ + inptr += 3; \ + continue; \ + } \ + } \ + else if (inptr[1] == '$') \ + { \ + 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 (var == iso2022jp2) \ + { \ + if (inptr[2] == 'A') \ + { \ + /* GB 2312-1980 selected. */ \ + set = GB2312_set; \ + inptr += 3; \ + continue; \ + } \ + else if (inptr[2] == '(') \ + { \ + if (inptr[3] == 'C') \ + { \ + /* KSC 5601-1987 selected. */ \ + set = KSC5601_set; \ + inptr += 4; \ + continue; \ + } \ + else if (inptr[3] == 'D') \ + { \ + /* JIS X 0212-1990 selected. */ \ + set = JISX0212_set; \ + inptr += 4; \ + continue; \ + } \ + } \ + } \ + } \ + else if (var == iso2022jp2 && inptr[1] == '.') \ + { \ + if (inptr[2] == 'A') \ + { \ + /* ISO 8859-1-GR selected. */ \ + set2 = ISO88591_set; \ + inptr += 3; \ + continue; \ + } \ + else if (inptr[2] == 'F') \ + { \ + /* ISO 8859-7-GR selected. */ \ + set2 = ISO88597_set; \ + inptr += 3; \ + continue; \ + } \ + } \ + } \ + \ + if (ch == ESC && var == iso2022jp2 && inptr[1] == 'N') \ + { \ + if (set2 == ISO88591_set) \ + { \ + ch = inptr[2] | 0x80; \ + inptr += 3; \ + } \ + else if (__builtin_expect (set2, ISO88597_set) == ISO88597_set) \ + { \ + /* We use the table from the ISO 8859-7 module. */ \ + if (inptr[2] < 0x20 || inptr[2] >= 0x80) \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + ch = iso88597_to_ucs4[inptr[2] - 0x20]; \ + if (ch == 0) \ + STANDARD_FROM_LOOP_ERR_HANDLER (3); \ + inptr += 3; \ + } \ + else \ + { \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + } \ + } \ + else if (ch >= 0x80) \ + { \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + } \ + 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 (__glibc_unlikely (ch == __UNKNOWN_10646_CHAR)) \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + ++inptr; \ + } \ + else if (set == JISX0201_Kana_set) \ + { \ + /* Use the JIS X 0201 table. */ \ + ch = jisx0201_to_ucs4 (ch + 0x80); \ + if (__glibc_unlikely (ch == __UNKNOWN_10646_CHAR)) \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + ++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); \ + else if (set == JISX0212_set) \ + /* Use the JIS X 0212 table. */ \ + ch = jisx0212_to_ucs4 (&inptr, inend - inptr, 0); \ + else if (set == GB2312_set) \ + /* Use the GB 2312 table. */ \ + ch = gb2312_to_ucs4 (&inptr, inend - inptr, 0); \ + else \ + { \ + assert (set == KSC5601_set); \ + \ + /* Use the KSC 5601 table. */ \ + ch = ksc5601_to_ucs4 (&inptr, inend - inptr, 0); \ + } \ + \ + if (__glibc_unlikely (ch == 0)) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + else if (__glibc_unlikely (ch == __UNKNOWN_10646_CHAR)) \ + { \ + STANDARD_FROM_LOOP_ERR_HANDLER (1); \ + } \ + } \ + \ + put32 (outptr, ch); \ + outptr += 4; \ + } +#define LOOP_NEED_FLAGS +#define EXTRA_LOOP_DECLS , enum variant var, int *setp +#define INIT_PARAMS int set = *setp & CURRENT_SEL_MASK; \ + int set2 = *setp & CURRENT_ASSIGN_MASK +#define UPDATE_PARAMS *setp = set | set2 +#include <iconv/loop.c> + + +/* Next, define the other direction. */ + +enum conversion { none = 0, european, japanese, chinese, korean, other }; + +/* A datatype for conversion lists. */ +typedef unsigned int cvlist_t; +#define CVLIST(cv1, cv2, cv3, cv4, cv5) \ + ((cv1) + ((cv2) << 3) + ((cv3) << 6) + ((cv4) << 9) + ((cv5) << 12)) +#define CVLIST_FIRST(cvl) ((cvl) & ((1 << 3) - 1)) +#define CVLIST_REST(cvl) ((cvl) >> 3) +static const cvlist_t conversion_lists[4] = + { + /* TAG_none */ CVLIST (japanese, european, chinese, korean, other), + /* TAG_language_ja */ CVLIST (japanese, european, chinese, korean, other), + /* TAG_language_ko */ CVLIST (korean, european, japanese, chinese, other), + /* TAG_language_zh */ CVLIST (chinese, european, japanese, korean, other) + }; + +#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; \ + size_t written; \ + \ + ch = get32 (inptr); \ + \ + if (var == iso2022jp2) \ + { \ + /* Handle Unicode tag characters (range U+E0000..U+E007F). */ \ + if (__glibc_unlikely ((ch >> 7) == (0xe0000 >> 7))) \ + { \ + ch &= 0x7f; \ + if (ch >= 'A' && ch <= 'Z') \ + ch += 'a' - 'A'; \ + if (ch == 0x01) \ + tag = TAG_language; \ + else if (ch == 'j' && tag == TAG_language) \ + tag = TAG_language_j; \ + else if (ch == 'a' && tag == TAG_language_j) \ + tag = TAG_language_ja; \ + else if (ch == 'k' && tag == TAG_language) \ + tag = TAG_language_k; \ + else if (ch == 'o' && tag == TAG_language_k) \ + tag = TAG_language_ko; \ + else if (ch == 'z' && tag == TAG_language) \ + tag = TAG_language_z; \ + else if (ch == 'h' && tag == TAG_language_z) \ + tag = TAG_language_zh; \ + else if (ch == 0x7f) \ + tag = TAG_none; \ + else \ + { \ + /* Other tag characters reset the tag parsing state (if the \ + current state is a temporary state) or are ignored (if \ + the current state is a stable one). */ \ + if (tag >= TAG_language) \ + tag = TAG_none; \ + } \ + \ + inptr += 4; \ + continue; \ + } \ + \ + /* Non-tag characters reset the tag parsing state, if the current \ + state is a temporary state. */ \ + if (__glibc_unlikely (tag >= TAG_language)) \ + tag = TAG_none; \ + } \ + \ + /* First see whether we can write the character using the currently \ + selected character set. But ignore the selected character set if \ + the current language tag shows different preferences. */ \ + 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; \ + written = 1; \ + \ + /* At the beginning of a line, G2 designation is cleared. */ \ + if (var == iso2022jp2 && ch == 0x0a) \ + set2 = UNSPECIFIED_set; \ + } \ + else \ + written = __UNKNOWN_10646_CHAR; \ + } \ + /* 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 \ + && (__builtin_expect (tag == TAG_none, 1) \ + || tag == TAG_language_ja)) \ + { \ + unsigned char buf[1]; \ + written = ucs4_to_jisx0201 (ch, buf); \ + if (written != __UNKNOWN_10646_CHAR) \ + { \ + if (buf[0] > 0x20 && buf[0] < 0x80) \ + { \ + *outptr++ = buf[0]; \ + written = 1; \ + } \ + else \ + written = __UNKNOWN_10646_CHAR; \ + } \ + } \ + else if (set == JISX0201_Kana_set \ + && (__builtin_expect (tag == TAG_none, 1) \ + || tag == TAG_language_ja)) \ + { \ + unsigned char buf[1]; \ + written = ucs4_to_jisx0201 (ch, buf); \ + if (written != __UNKNOWN_10646_CHAR) \ + { \ + if (buf[0] > 0xa0 && buf[0] < 0xe0) \ + { \ + *outptr++ = buf[0] - 0x80; \ + written = 1; \ + } \ + else \ + written = __UNKNOWN_10646_CHAR; \ + } \ + } \ + else \ + { \ + if ((set == JISX0208_1978_set || set == JISX0208_1983_set) \ + && (__builtin_expect (tag == TAG_none, 1) \ + || tag == TAG_language_ja)) \ + written = ucs4_to_jisx0208 (ch, outptr, outend - outptr); \ + else if (set == JISX0212_set \ + && (__builtin_expect (tag == TAG_none, 1) \ + || tag == TAG_language_ja)) \ + written = ucs4_to_jisx0212 (ch, outptr, outend - outptr); \ + else if (set == GB2312_set \ + && (__builtin_expect (tag == TAG_none, 1) \ + || tag == TAG_language_zh)) \ + written = ucs4_to_gb2312 (ch, outptr, outend - outptr); \ + else if (set == KSC5601_set \ + && (__builtin_expect (tag == TAG_none, 1) \ + || tag == TAG_language_ko)) \ + written = ucs4_to_ksc5601 (ch, outptr, outend - outptr); \ + else \ + written = __UNKNOWN_10646_CHAR; \ + \ + if (__glibc_unlikely (written == 0)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + else if (written != __UNKNOWN_10646_CHAR) \ + outptr += written; \ + } \ + \ + if (written == __UNKNOWN_10646_CHAR \ + && __builtin_expect (tag == TAG_none, 1)) \ + { \ + if (set2 == ISO88591_set) \ + { \ + if (ch >= 0x80 && ch <= 0xff) \ + { \ + if (__glibc_unlikely (outptr + 3 > outend)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + \ + *outptr++ = ESC; \ + *outptr++ = 'N'; \ + *outptr++ = ch & 0x7f; \ + written = 3; \ + } \ + } \ + else if (set2 == ISO88597_set) \ + { \ + if (__glibc_likely (ch < 0xffff)) \ + { \ + const struct gap *rp = from_idx; \ + \ + while (ch > rp->end) \ + ++rp; \ + if (ch >= rp->start) \ + { \ + unsigned char res = \ + iso88597_from_ucs4[ch - 0xa0 + rp->idx]; \ + if (res != '\0') \ + { \ + if (__glibc_unlikely (outptr + 3 > outend)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + \ + *outptr++ = ESC; \ + *outptr++ = 'N'; \ + *outptr++ = res & 0x7f; \ + written = 3; \ + } \ + } \ + } \ + } \ + } \ + \ + if (written == __UNKNOWN_10646_CHAR) \ + { \ + /* The attempts to use the currently selected character set \ + failed, either because the language tag changed, or because \ + the character requires a different character set, or because \ + the character is unknown. \ + The CJK character sets partially overlap when seen as subsets \ + of ISO 10646; therefore there is no single correct result. \ + We use a preferrence order which depends on the language tag. */ \ + \ + if (ch <= 0x7f) \ + { \ + /* We must encode using ASCII. First write out the \ + escape sequence. */ \ + if (__glibc_unlikely (outptr + 3 > outend)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + \ + *outptr++ = ESC; \ + *outptr++ = '('; \ + *outptr++ = 'B'; \ + set = ASCII_set; \ + \ + if (__glibc_unlikely (outptr + 1 > outend)) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ch; \ + \ + /* At the beginning of a line, G2 designation is cleared. */ \ + if (var == iso2022jp2 && ch == 0x0a) \ + set2 = UNSPECIFIED_set; \ + } \ + else \ + { \ + /* Now it becomes difficult. We must search the other \ + character sets one by one. Use an ordered conversion \ + list that depends on the current language tag. */ \ + cvlist_t conversion_list; \ + unsigned char buf[2]; \ + int res = __GCONV_ILLEGAL_INPUT; \ + \ + if (var == iso2022jp2) \ + conversion_list = conversion_lists[tag >> 8]; \ + else \ + conversion_list = CVLIST (japanese, 0, 0, 0, 0); \ + \ + do \ + switch (CVLIST_FIRST (conversion_list)) \ + { \ + case european: \ + \ + /* Try ISO 8859-1 upper half. */ \ + if (ch >= 0x80 && ch <= 0xff) \ + { \ + if (set2 != ISO88591_set) \ + { \ + if (__builtin_expect (outptr + 3 > outend, 0)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '.'; \ + *outptr++ = 'A'; \ + set2 = ISO88591_set; \ + } \ + \ + if (__glibc_unlikely (outptr + 3 > outend)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = 'N'; \ + *outptr++ = ch - 0x80; \ + res = __GCONV_OK; \ + break; \ + } \ + \ + /* Try ISO 8859-7 upper half. */ \ + if (__glibc_likely (ch < 0xffff)) \ + { \ + const struct gap *rp = from_idx; \ + \ + while (ch > rp->end) \ + ++rp; \ + if (ch >= rp->start) \ + { \ + unsigned char ch2 = \ + iso88597_from_ucs4[ch - 0xa0 + rp->idx]; \ + if (ch2 != '\0') \ + { \ + if (set2 != ISO88597_set) \ + { \ + if (__builtin_expect (outptr + 3 > outend, \ + 0)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '.'; \ + *outptr++ = 'F'; \ + set2 = ISO88597_set; \ + } \ + \ + if (__builtin_expect (outptr + 3 > outend, 0)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = 'N'; \ + *outptr++ = ch2 - 0x80; \ + res = __GCONV_OK; \ + break; \ + } \ + } \ + } \ + \ + break; \ + \ + case japanese: \ + \ + /* Try JIS X 0201 Roman. */ \ + written = ucs4_to_jisx0201 (ch, buf); \ + if (written != __UNKNOWN_10646_CHAR \ + && buf[0] > 0x20 && buf[0] < 0x80) \ + { \ + if (set != JISX0201_Roman_set) \ + { \ + if (__builtin_expect (outptr + 3 > outend, 0)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '('; \ + *outptr++ = 'J'; \ + set = JISX0201_Roman_set; \ + } \ + \ + if (__glibc_unlikely (outptr + 1 > outend)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = buf[0]; \ + res = __GCONV_OK; \ + break; \ + } \ + \ + /* Try JIS X 0208. */ \ + written = ucs4_to_jisx0208 (ch, buf, 2); \ + if (written != __UNKNOWN_10646_CHAR) \ + { \ + if (set != JISX0208_1983_set) \ + { \ + if (__builtin_expect (outptr + 3 > outend, 0)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '$'; \ + *outptr++ = 'B'; \ + set = JISX0208_1983_set; \ + } \ + \ + if (__glibc_unlikely (outptr + 2 > outend)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = buf[0]; \ + *outptr++ = buf[1]; \ + res = __GCONV_OK; \ + break; \ + } \ + \ + if (__glibc_unlikely (var == iso2022jp)) \ + /* Don't use the other Japanese character sets. */ \ + break; \ + \ + /* Try JIS X 0212. */ \ + written = ucs4_to_jisx0212 (ch, buf, 2); \ + if (written != __UNKNOWN_10646_CHAR) \ + { \ + if (set != JISX0212_set) \ + { \ + if (__builtin_expect (outptr + 4 > outend, 0)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '$'; \ + *outptr++ = '('; \ + *outptr++ = 'D'; \ + set = JISX0212_set; \ + } \ + \ + if (__glibc_unlikely (outptr + 2 > outend)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = buf[0]; \ + *outptr++ = buf[1]; \ + res = __GCONV_OK; \ + break; \ + } \ + \ + break; \ + \ + case chinese: \ + assert (var == iso2022jp2); \ + \ + /* Try GB 2312. */ \ + written = ucs4_to_gb2312 (ch, buf, 2); \ + if (written != __UNKNOWN_10646_CHAR) \ + { \ + if (set != GB2312_set) \ + { \ + if (__builtin_expect (outptr + 3 > outend, 0)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '$'; \ + *outptr++ = 'A'; \ + set = GB2312_set; \ + } \ + \ + if (__glibc_unlikely (outptr + 2 > outend)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = buf[0]; \ + *outptr++ = buf[1]; \ + res = __GCONV_OK; \ + break; \ + } \ + \ + break; \ + \ + case korean: \ + assert (var == iso2022jp2); \ + \ + /* Try KSC 5601. */ \ + written = ucs4_to_ksc5601 (ch, buf, 2); \ + if (written != __UNKNOWN_10646_CHAR) \ + { \ + if (set != KSC5601_set) \ + { \ + if (__builtin_expect (outptr + 4 > outend, 0)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '$'; \ + *outptr++ = '('; \ + *outptr++ = 'C'; \ + set = KSC5601_set; \ + } \ + \ + if (__glibc_unlikely (outptr + 2 > outend)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = buf[0]; \ + *outptr++ = buf[1]; \ + res = __GCONV_OK; \ + break; \ + } \ + \ + break; \ + \ + case other: \ + assert (var == iso2022jp2); \ + \ + /* Try JIS X 0201 Kana. This is not officially part \ + of ISO-2022-JP-2, according to RFC 1554. Therefore \ + we try this only after all other attempts. */ \ + written = ucs4_to_jisx0201 (ch, buf); \ + if (written != __UNKNOWN_10646_CHAR && buf[0] >= 0x80) \ + { \ + if (set != JISX0201_Kana_set) \ + { \ + if (__builtin_expect (outptr + 3 > outend, 0)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = ESC; \ + *outptr++ = '('; \ + *outptr++ = 'I'; \ + set = JISX0201_Kana_set; \ + } \ + \ + if (__glibc_unlikely (outptr + 1 > outend)) \ + { \ + res = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + *outptr++ = buf[0] - 0x80; \ + res = __GCONV_OK; \ + break; \ + } \ + \ + break; \ + \ + default: \ + abort (); \ + } \ + while (res == __GCONV_ILLEGAL_INPUT \ + && (conversion_list = CVLIST_REST (conversion_list)) != 0);\ + \ + if (res == __GCONV_FULL_OUTPUT) \ + { \ + result = res; \ + break; \ + } \ + \ + if (res == __GCONV_ILLEGAL_INPUT) \ + { \ + STANDARD_TO_LOOP_ERR_HANDLER (4); \ + } \ + } \ + } \ + \ + /* Now that we wrote the output increment the input pointer. */ \ + inptr += 4; \ + } +#define LOOP_NEED_FLAGS +#define EXTRA_LOOP_DECLS , enum variant var, int *setp +#define INIT_PARAMS int set = *setp & CURRENT_SEL_MASK; \ + int set2 = *setp & CURRENT_ASSIGN_MASK; \ + int tag = *setp & CURRENT_TAG_MASK; +#define REINIT_PARAMS do \ + { \ + set = *setp & CURRENT_SEL_MASK; \ + set2 = *setp & CURRENT_ASSIGN_MASK; \ + tag = *setp & CURRENT_TAG_MASK; \ + } \ + while (0) +#define UPDATE_PARAMS *setp = set | set2 | tag +#include <iconv/loop.c> + + +/* Now define the toplevel functions. */ +#include <iconv/skeleton.c> |