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-rw-r--r--iconvdata/euc-tw.c188
1 files changed, 188 insertions, 0 deletions
diff --git a/iconvdata/euc-tw.c b/iconvdata/euc-tw.c
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+++ b/iconvdata/euc-tw.c
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+/* Mapping tables for EUC-TW handling.
+   Copyright (C) 1998 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stdint.h>
+#include <cns11643l1.h>
+#include <cns11643.h>
+
+/* Definitions used in the body of the `gconv' function.  */
+#define CHARSET_NAME		"EUC-TW//"
+#define FROM_LOOP		from_euc_tw
+#define TO_LOOP			to_euc_tw
+#define DEFINE_INIT		1
+#define DEFINE_FINI		1
+#define MIN_NEEDED_FROM		1
+#define MAX_NEEDED_FROM		4
+#define MIN_NEEDED_TO		4
+
+
+/* First define the conversion function from EUC-TW to UCS4.  */
+#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 = *inptr;						      \
+    									      \
+    if (ch <= 0x7f)							      \
+      /* Plain ASCII.  */						      \
+      ++inptr;								      \
+    else if ((ch <= 0xa0 || ch > 0xfe) && ch != 0x8e)			      \
+      {									      \
+	/* This is illegal.  */						      \
+	result = GCONV_ILLEGAL_INPUT;					      \
+	break;								      \
+      }									      \
+    else								      \
+      {									      \
+	/* Two or more byte character.  First test whether the next	      \
+	   character is also available.  */				      \
+	uint32_t ch2;							      \
+									      \
+	if (NEED_LENGTH_TEST && inptr + (ch == 0x8e ? 3 : 1) >= inend)	      \
+	  {								      \
+	    /* The second character is not available.  Store the	      \
+	       intermediate result.  */					      \
+	    result = GCONV_INCOMPLETE_INPUT;				      \
+	    break;							      \
+	  }								      \
+									      \
+	ch2 = *inptr;							      \
+									      \
+	/* All second bytes of a multibyte character must be >= 0xa1. */      \
+	if (ch2 < 0xa1 || ch2 == 0xff)					      \
+	  {								      \
+	    /* This is an illegal character.  */			      \
+	    result = GCONV_ILLEGAL_INPUT;				      \
+	    break;							      \
+	  }								      \
+									      \
+	if (ch == 0x8e)							      \
+	  {								      \
+	    /* This is code set 2: CNS 11643, planes 1 to 16.  */	      \
+	    const char *endp = inptr + 1;				      \
+									      \
+	    ch = cns11643_to_ucs4 (&endp,				      \
+				   NEED_LENGTH_TEST ? inend - inptr - 1 : 3,  \
+				   0x80);				      \
+	    /* Please note that we need not test for the missing input	      \
+	       characters here anymore.  */				      \
+	    if (ch == UNKNOWN_10646_CHAR)				      \
+	      {								      \
+		/* Illegal input.  */					      \
+		result = GCONV_ILLEGAL_INPUT;				      \
+		break;							      \
+	      }								      \
+									      \
+	    inptr += 4;							      \
+	  }								      \
+	else								      \
+	  {								      \
+	    /* This is code set 1: CNS 11643, plane 1.  */		      \
+	    const char *endp = inptr;					      \
+									      \
+	    ch = cns11643l1_to_ucs4 (&endp,				      \
+				     NEED_LENGTH_TEST ? inend - inptr : 2,    \
+				     0x80);				      \
+	    /* Please note that we need not test for the missing input	      \
+	       characters here anymore.  */				      \
+	    if (ch == UNKNOWN_10646_CHAR)				      \
+	      {								      \
+		/* Illegal input.  */					      \
+		result = GCONV_ILLEGAL_INPUT;				      \
+		break;							      \
+	      }								      \
+									      \
+	    inptr += 2;							      \
+	  }								      \
+      }									      \
+									      \
+    *((uint32_t *) outptr)++ = ch;					      \
+  }
+#include <iconv/loop.c>
+
+
+/* Next, define the other direction.  */
+#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 = *((uint32_t *) inptr);				      \
+									      \
+    if (ch <= 0x7f)							      \
+      /* It's plain ASCII.  */						      \
+      *outptr++ = ch;							      \
+    else								      \
+      {									      \
+	/* Try the JIS character sets.  */				      \
+	size_t found;							      \
+									      \
+	found = ucs4_to_cns11643l1 (ch, outptr,				      \
+				    NEED_LENGTH_TEST ? outend - outptr : 2);  \
+	if (NEED_LENGTH_TEST && found == 0)				      \
+	  {								      \
+	    /* We ran out of space.  */					      \
+	    result = GCONV_INCOMPLETE_INPUT;				      \
+	    break;							      \
+	  }								      \
+	if (found != UNKNOWN_10646_CHAR)				      \
+	  {								      \
+	    /* It's a CNS 11643, plane 1 character, adjust it for EUC-TW.  */ \
+	    *outptr++ += 0x80;						      \
+	    *outptr++ += 0x80;						      \
+	  }								      \
+	else								      \
+	  {								      \
+	    /* No CNS 11643, plane 1 character.  */			      \
+									      \
+	    found = ucs4_to_cns11643 (ch, outptr + 1,			      \
+				      (NEED_LENGTH_TEST			      \
+				       ? outend - outptr - 1 : 3));	      \
+	    if (NEED_LENGTH_TEST && found == 0)				      \
+	      {								      \
+		/* We ran out of space.  */				      \
+		result = GCONV_INCOMPLETE_INPUT;			      \
+		break;							      \
+	      }								      \
+	    if (found == UNKNOWN_10646_CHAR)				      \
+	      {								      \
+		/* No legal input.  */					      \
+		result = GCONV_ILLEGAL_INPUT;				      \
+		break;							      \
+	      }								      \
+									      \
+	    /* It's a CNS 11643 character, adjust it for EUC-TW.  */	      \
+	    *outptr++ = '\x8e';						      \
+	    *outptr++ += 0xa0;						      \
+	    *outptr++ += 0x80;						      \
+	    *outptr++ += 0x80;						      \
+	  }								      \
+      }									      \
+									      \
+    inptr += 4;								      \
+  }
+#include <iconv/loop.c>
+
+
+/* Now define the toplevel functions.  */
+#include <iconv/skeleton.c>