/*
 * 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.
 */



#ifndef _UTF2JOHAP_H_
#define _UTF2JOHAP_H_


#include "hangulcode.h"

typedef struct __conv_desc {
        unsigned short          ci, v, cf;
        enum { E, CI, V, CF }   prev_state;
} _conv_desc;

#define RESET_CONV_DESC()\
                        cd->ci = cd->v = cd->cf = CVC_FILL; cd->prev_state = E;
#define PROCESS_PRIOR_CVC()\
        {\
                unsigned short code;\
                \
                if (cd->prev_state != E)\
                {\
                        if ((obtail - ob) < 2)\
                        {\
                                errno = E2BIG;\
                                ret_val = (size_t)-1;\
                                break;\
                        }\
                        \
                        if ((cd->ci <= 18 || cd->ci == CVC_FILL) &&\
                            (cd->v <= 20 || cd->v == CVC_FILL) &&\
                            (cd->cf <= 28 || cd->cf == CVC_FILL))\
                        {\
                                code = (cd->ci == CVC_FILL) ? 9 :\
                                        cd->ci + 0xA;\
                                code = (code<<5) | ((unsigned short)(cd->v ==\
                                        CVC_FILL) ? 1 : cd->v + \
                                        (short)(cd->v + 1) / 3 + 2);\
                                code = (code<<5) | ((cd->cf == CVC_FILL) ? 1 : \
                                        cd->cf) | 0x8000;\
                        }\
                        else\
                        {\
                                /* Let's assume the code is non-identical. */\
                                code = (((unsigned short)NON_IDENTICAL) << 8) |\
                                        ((unsigned short)NON_IDENTICAL);\
                                ret_val += 2;\
                        }\
                        *ob++ = (char)((code >> 8) & 0xFF);\
                        *ob++ = (char)(code & 0xFF);\
                        RESET_CONV_DESC();\
                }\
        }


#endif  /* _UTF2JOHAP_H_ */