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-rw-r--r--iconvdata/euc-jisx0213.c439
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diff --git a/iconvdata/euc-jisx0213.c b/iconvdata/euc-jisx0213.c
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+/* Conversion from and to EUC-JISX0213.
+ Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by 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 <dlfcn.h>
+#include <stdint.h>
+#include <gconv.h>
+
+/* The structure of EUC-JISX0213 is as follows:
+
+ 0x00..0x7F: ASCII
+
+ 0x8E{A1..FE}: JISX0201 Katakana, with prefix 0x8E, offset by +0x80.
+
+ 0x8F{A1..FE}{A1..FE}: JISX0213 plane 2, with prefix 0x8F, offset by +0x8080.
+
+ 0x{A1..FE}{A1..FE}: JISX0213 plane 1, offset by +0x8080.
+
+ Note that some JISX0213 characters are not contained in Unicode 3.2
+ and are therefore best represented as sequences of Unicode characters.
+*/
+
+#include "jisx0213.h"
+
+/* Definitions used in the body of the `gconv' function. */
+#define CHARSET_NAME "EUC-JISX0213//"
+#define FROM_LOOP from_euc_jisx0213
+#define TO_LOOP to_euc_jisx0213
+#define DEFINE_INIT 1
+#define DEFINE_FINI 1
+#define MIN_NEEDED_FROM 1
+#define MAX_NEEDED_FROM 3
+#define MIN_NEEDED_TO 4
+#define PREPARE_LOOP \
+ int saved_state; \
+ int *statep = &data->__statep->__count;
+#define EXTRA_LOOP_ARGS , statep
+
+
+/* Since we might have to reset input pointer we must be able to save
+ and restore the state. */
+#define SAVE_RESET_STATE(Save) \
+ if (Save) \
+ saved_state = *statep; \
+ else \
+ *statep = saved_state
+
+
+/* During EUC-JISX0213 to UCS-4 conversion, the COUNT element of the state
+ contains the last UCS-4 character, shifted by 3 bits.
+ During UCS-4 to EUC-JISX0213 conversion, the COUNT element of the state
+ contains the last two bytes to be output, shifted by 3 bits. */
+
+/* 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 != 0) \
+ { \
+ if (FROM_DIRECTION) \
+ { \
+ if (__builtin_expect (outbuf + 4 <= outend, 1)) \
+ { \
+ /* Write out the last character. */ \
+ *((uint32_t *) outbuf)++ = data->__statep->__count >> 3; \
+ data->__statep->__count = 0; \
+ } \
+ else \
+ /* We don't have enough room in the output buffer. */ \
+ status = __GCONV_FULL_OUTPUT; \
+ } \
+ else \
+ { \
+ if (__builtin_expect (outbuf + 2 <= outend, 1)) \
+ { \
+ /* Write out the last character. */ \
+ uint32_t lasttwo = data->__statep->__count >> 3; \
+ *outbuf++ = (lasttwo >> 8) & 0xff; \
+ *outbuf++ = lasttwo & 0xff; \
+ data->__statep->__count = 0; \
+ } \
+ else \
+ /* We don't have enough room in the output buffer. */ \
+ status = __GCONV_FULL_OUTPUT; \
+ } \
+ }
+
+
+/* First define the conversion function from EUC-JISX0213 to UCS-4. */
+#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
+#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
+#define LOOPFCT FROM_LOOP
+#define BODY \
+ { \
+ uint32_t ch; \
+ \
+ /* Determine whether there is a buffered character pending. */ \
+ ch = *statep >> 3; \
+ if (__builtin_expect (ch == 0, 1)) \
+ { \
+ /* No - so look at the next input byte. */ \
+ ch = *inptr; \
+ if (ch < 0x80) \
+ /* Plain ASCII character. */ \
+ ++inptr; \
+ else if ((ch >= 0xa1 && ch <= 0xfe) || ch == 0x8e || ch == 0x8f) \
+ { \
+ /* Two or three byte character. */ \
+ uint32_t ch2; \
+ \
+ if (__builtin_expect (inptr + 1 >= inend, 0)) \
+ { \
+ /* The second byte is not available. */ \
+ result = __GCONV_INCOMPLETE_INPUT; \
+ break; \
+ } \
+ \
+ ch2 = inptr[1]; \
+ \
+ /* The second byte must be >= 0xa1 and <= 0xfe. */ \
+ if (__builtin_expect (ch2 < 0xa1 || ch2 > 0xfe, 0)) \
+ { \
+ /* This is an illegal character. */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ \
+ ++inptr; \
+ ++*irreversible; \
+ break; \
+ } \
+ \
+ if (ch == 0x8e) \
+ { \
+ /* Half-width katakana. */ \
+ if (__builtin_expect (ch2 > 0xdf, 0)) \
+ { \
+ /* This is an illegal character. */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ \
+ ++inptr; \
+ ++*irreversible; \
+ break; \
+ } \
+ \
+ ch = ch2 + 0xfec0; \
+ inptr += 2; \
+ } \
+ else \
+ { \
+ const unsigned char *endp; \
+ \
+ if (ch == 0x8f) \
+ { \
+ /* JISX 0213 plane 2. */ \
+ uint32_t ch3; \
+ \
+ if (__builtin_expect (inptr + 2 >= inend, 0)) \
+ { \
+ /* The third byte is not available. */ \
+ result = __GCONV_INCOMPLETE_INPUT; \
+ break; \
+ } \
+ \
+ ch3 = inptr[2]; \
+ endp = inptr + 3; \
+ \
+ ch = jisx0213_to_ucs4 (0x200 - 0x80 + ch2, ch3 ^ 0x80); \
+ } \
+ else \
+ { \
+ /* JISX 0213 plane 1. */ \
+ endp = inptr + 2; \
+ \
+ ch = jisx0213_to_ucs4 (0x100 - 0x80 + ch, ch2 ^ 0x80); \
+ } \
+ \
+ if (ch == 0) \
+ { \
+ /* This is an illegal character. */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ \
+ ++inptr; \
+ ++*irreversible; \
+ break; \
+ } \
+ \
+ inptr = endp; \
+ \
+ 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) \
+ { \
+ put32 (outptr, u1); \
+ outptr += 4; \
+ put32 (outptr, u2); \
+ outptr += 4; \
+ continue; \
+ } \
+ \
+ /* Otherwise store only the first character now, and \
+ put the second one into the queue. */ \
+ ch = u1; \
+ *statep = u2 << 3; \
+ } \
+ } \
+ } \
+ else \
+ { \
+ /* This is illegal. */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ \
+ ++inptr; \
+ ++*irreversible; \
+ continue; \
+ } \
+ } \
+ \
+ put32 (outptr, ch); \
+ outptr += 4; \
+ }
+#define LOOP_NEED_FLAGS
+#define EXTRA_LOOP_DECLS , int *statep
+#include <iconv/loop.c>
+
+
+/* Next, define the other direction, from UCS-4 to EUC-JISX0213. */
+
+/* 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
+ { 0xabe4, 0xabe5 }, /* 0x12B65 = 0x12B64 U+02E5 */
+#define COMP_TABLE_IDX_02E9 (COMP_TABLE_IDX_02E5 + COMP_TABLE_LEN_02E5)
+#define COMP_TABLE_LEN_02E9 1
+ { 0xabe0, 0xabe6 }, /* 0x12B66 = 0x12B60 U+02E9 */
+#define COMP_TABLE_IDX_0300 (COMP_TABLE_IDX_02E9 + COMP_TABLE_LEN_02E9)
+#define COMP_TABLE_LEN_0300 5
+ { 0xa9dc, 0xabc4 }, /* 0x12B44 = 0x1295C U+0300 */
+ { 0xabb8, 0xabc8 }, /* 0x12B48 = 0x12B38 U+0300 */
+ { 0xabb7, 0xabca }, /* 0x12B4A = 0x12B37 U+0300 */
+ { 0xabb0, 0xabcc }, /* 0x12B4C = 0x12B30 U+0300 */
+ { 0xabc3, 0xabce }, /* 0x12B4E = 0x12B43 U+0300 */
+#define COMP_TABLE_IDX_0301 (COMP_TABLE_IDX_0300 + COMP_TABLE_LEN_0300)
+#define COMP_TABLE_LEN_0301 4
+ { 0xabb8, 0xabc9 }, /* 0x12B49 = 0x12B38 U+0301 */
+ { 0xabb7, 0xabcb }, /* 0x12B4B = 0x12B37 U+0301 */
+ { 0xabb0, 0xabcd }, /* 0x12B4D = 0x12B30 U+0301 */
+ { 0xabc3, 0xabcf }, /* 0x12B4F = 0x12B43 U+0301 */
+#define COMP_TABLE_IDX_309A (COMP_TABLE_IDX_0301 + COMP_TABLE_LEN_0301)
+#define COMP_TABLE_LEN_309A 14
+ { 0xa4ab, 0xa4f7 }, /* 0x12477 = 0x1242B U+309A */
+ { 0xa4ad, 0xa4f8 }, /* 0x12478 = 0x1242D U+309A */
+ { 0xa4af, 0xa4f9 }, /* 0x12479 = 0x1242F U+309A */
+ { 0xa4b1, 0xa4fa }, /* 0x1247A = 0x12431 U+309A */
+ { 0xa4b3, 0xa4fb }, /* 0x1247B = 0x12433 U+309A */
+ { 0xa5ab, 0xa5f7 }, /* 0x12577 = 0x1252B U+309A */
+ { 0xa5ad, 0xa5f8 }, /* 0x12578 = 0x1252D U+309A */
+ { 0xa5af, 0xa5f9 }, /* 0x12579 = 0x1252F U+309A */
+ { 0xa5b1, 0xa5fa }, /* 0x1257A = 0x12531 U+309A */
+ { 0xa5b3, 0xa5fb }, /* 0x1257B = 0x12533 U+309A */
+ { 0xa5bb, 0xa5fc }, /* 0x1257C = 0x1253B U+309A */
+ { 0xa5c4, 0xa5fd }, /* 0x1257D = 0x12544 U+309A */
+ { 0xa5c8, 0xa5fe }, /* 0x1257E = 0x12548 U+309A */
+ { 0xa6f5, 0xa6f8 }, /* 0x12678 = 0x12675 U+309A */
+};
+
+#define MIN_NEEDED_INPUT MIN_NEEDED_TO
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
+#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
+#define LOOPFCT TO_LOOP
+#define BODY \
+ { \
+ uint32_t ch = get32 (inptr); \
+ \
+ if ((*statep >> 3) != 0) \
+ { \
+ /* Attempt to combine the last character with this one. */ \
+ uint16_t lasttwo = *statep >> 3; \
+ 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 == lasttwo) \
+ break; \
+ while (++idx, --len > 0); \
+ \
+ if (len > 0) \
+ { \
+ /* Output the combined character. */ \
+ if (__builtin_expect (outptr + 1 >= outend, 0)) \
+ { \
+ result = __GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ lasttwo = comp_table_data[idx].composed; \
+ *outptr++ = (lasttwo >> 8) & 0xff; \
+ *outptr++ = lasttwo & 0xff; \
+ *statep = 0; \
+ inptr += 4; \
+ continue; \
+ } \
+ \
+ not_combining: \
+ /* Output the buffered character. */ \
+ if (__builtin_expect (outptr + 1 >= outend, 0)) \
+ { \
+ result = __GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ *outptr++ = (lasttwo >> 8) & 0xff; \
+ *outptr++ = lasttwo & 0xff; \
+ *statep = 0; \
+ continue; \
+ } \
+ \
+ if (ch < 0x80) \
+ /* Plain ASCII character. */ \
+ *outptr++ = ch; \
+ else if (ch >= 0xff61 && ch <= 0xff9f) \
+ { \
+ /* Half-width katakana. */ \
+ if (__builtin_expect (outptr + 1 >= outend, 0)) \
+ { \
+ result = __GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ *outptr++ = 0x8e; \
+ *outptr++ = ch - 0xfec0; \
+ } \
+ else \
+ { \
+ ch = ucs4_to_jisx0213 (ch); \
+ if (ch == 0) \
+ { \
+ UNICODE_TAG_HANDLER (ch, 4); \
+ \
+ /* Illegal character. */ \
+ STANDARD_ERR_HANDLER (4); \
+ } \
+ \
+ if (ch & 0x0080) \
+ { \
+ /* A possible match in comp_table_data. We have to buffer it. */\
+ \
+ /* We know it's a JISX 0213 plane 1 character. */ \
+ assert ((ch & 0x8000) == 0); \
+ \
+ *statep = (ch | 0x8080) << 3; \
+ inptr += 4; \
+ continue; \
+ } \
+ \
+ if (ch & 0x8000) \
+ { \
+ /* JISX 0213 plane 2. */ \
+ if (__builtin_expect (outptr + 2 >= outend, 0)) \
+ { \
+ result = __GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ *outptr++ = 0x8f; \
+ } \
+ else \
+ { \
+ /* JISX 0213 plane 1. */ \
+ if (__builtin_expect (outptr + 1 >= outend, 0)) \
+ { \
+ result = __GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ } \
+ *outptr++ = (ch >> 8) | 0x80; \
+ *outptr++ = (ch & 0xff) | 0x80; \
+ } \
+ \
+ inptr += 4; \
+ }
+#define LOOP_NEED_FLAGS
+#define EXTRA_LOOP_DECLS , int *statep
+#include <iconv/loop.c>
+
+
+/* Now define the toplevel functions. */
+#include <iconv/skeleton.c>