/*
 * 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 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * $Id: comp_to_pack.c,v 1.13 1997/10/31 16:16:56 binz Exp $ SMI ALE.
 */

#include <stdio.h>
#include <ctype.h>
#include "kctype.h"
#include "kdefs.h"
#include "ktable.h"
#ifdef TESTP
#include <widec.h>
#include <locale.h>
#endif

KCHAR c2p();

KCHAR comptopack(comp)
KCHAR comp;
{
    int c;
    KCHAR code;
    unsigned char cnv_buf[2];

#ifdef TESTP
    setlocale (LC_CTYPE, "");
#endif

#if defined(i386) || defined(__ppc)
    c = comp & 0x00ff;
#else
    c = comp>>8 & 0x00ff;
#endif
    if (iskorea1 (c)) { /* output completion code */
#if defined(i386) || defined(__ppc)
        code = (comp >> 8 & 0x00ff) | (((comp & 0x00ff) << 8) & 0xff00);
#else
        code = comp;
#endif
        if (iskorea2(code&BYTE_MASK)) {
            /* Output hangul character */
            if (ishangul(c)) {
                if ((code = c2p(code)) == K_ILLEGAL) {
                        return(K_ILLEGAL);
                } else {
                        cnv_buf[0] = code>>8;
                        cnv_buf[1] = code&BYTE_MASK;
                }

                                /* output initial sound only case */
            } else if (ishaninit(code)) {
                if (X32_19[code - 0xa4a0] == -1) {
                    return(K_ILLEGAL);
                } else {
                    cnv_buf[0] = (X32_19[code - 0xa4a0]<<2)|0x80;
                    cnv_buf[1] = 0x21; /* mid,last Fill */
                }

                /* output middle sound only case */
            } else if (ishanmid(code)) {
                code -= 0xa4be;
                code = ((code + code/3 + 1)<<5)|0xa401;
                /* a401 is first,last Fill */
                cnv_buf[0] = code>>8;
                cnv_buf[1] = code&BYTE_MASK;

                /* output hanja character */
            } else if (ishanja (c)) {
                return(K_ILLEGAL);

                /* other case */
            } else {
                return(K_ILLEGAL);
                /*
                cnv_buf[0] = c;
                cnv_buf[1] = code&BYTE_MASK;
                */
            }

        } else {
            return(K_ILLEGAL);
        }

    } else {
        /* output normal Ascii code */
        return(comp);
    }
#if defined(i386) || defined(__ppc)
    return(cnv_buf[1] << 8 | cnv_buf[0]);
#else
    return(cnv_buf[0] << 8 | cnv_buf[1]);
#endif
}

#ifdef TESTP
main()  /* This main portion is just for test */
{
        unsigned int comp2;
        unsigned short comb2;
        unsigned int wc;

        for(;;) {
                wc = getwchar();
                wctomb((char *)&comb2, wc);
                comp2 = comptopack(comb2);
                printf("completion, combination = 0x%x  0x%x\n",
                                comb2, comp2);
        }
}
#endif