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-rw-r--r--iconvdata/euc-jisx0213.c439
1 files changed, 439 insertions, 0 deletions
diff --git a/iconvdata/euc-jisx0213.c b/iconvdata/euc-jisx0213.c
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index 0000000000..b0836b173d
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+++ b/iconvdata/euc-jisx0213.c
@@ -0,0 +1,439 @@
+/* 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>