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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1994 by Sun Microsystems, Inc.
*/
#include <errno.h>
#include "ktable.h"
#include "hangulcode.h"
extern kcode_table johap922utf8_tbl[];
/**** _ J O H A P 9 2 _ T O _ U T F 8 ****/
char _johap92_to_utf8(unsigned long* chosung, unsigned long* joongsung,
unsigned long* jongsung, unsigned short wcode)
{
register short h, i, j, l;
short ci, v, cf;
unsigned char byte1, byte2;
if (wcode > 0xD3FE)
{ /* Hanja or special symbol */
for (l = 0, h = MAX_J922U_NUM; l < h; )
{
i = (l + h) / 2;
if (johap922utf8_tbl[i].code == wcode)
break;
else if (johap922utf8_tbl[l].code == wcode)
{
i = l;
break;
}
else if (johap922utf8_tbl[h].code == wcode)
{
i = h;
break;
}
else if (johap922utf8_tbl[i].code < wcode)
l = i + 1;
else
h = i - 1;
}
if (johap922utf8_tbl[i].code != wcode)
return(ILLEGAL_SEQ);
*chosung = johap922utf8_tbl[i].utf8;
return(HANJA_OR_SYMBOL);
}
/* Hangul processing. */
byte1 = (char)((wcode >> 8) & 0xFF);
byte2 = (char)(wcode & 0xFF);
if (byte1 < 0x84 || byte1 > 0xD3 || byte2 < 0x41 || byte2 > 0xFE ||
(byte2 > 0x7E && byte2 < 0x81))
return(ILLEGAL_SEQ);
ci = CHOSUNG(wcode) - 2;
v = JOONGSUNG(wcode) -
((unsigned short)((unsigned short)JOONGSUNG(wcode) - 2) /
((unsigned short)8) * 2 + 3);
cf = JONGSUNG(wcode) - (unsigned short)JONGSUNG(wcode) / 18;
*chosung = (ci < 0) ? 0xE1859F : 0xE18480 + ci;
*joongsung = (v < 0) ? 0xE185A0 : 0xE185A1 + v;
*jongsung = (cf < 2) ? 0 : ((cf > 25) ? 0xE18766 + cf : 0xE186A6 + cf);
return(HANGUL);
} /* end of char _johap92_to_utf8(unsigned long*, unsigned long*,
unsigned long*, unsigned short). */
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