/* $Id: alg_jisx0201.h,v 1.1.1.1 2003/09/24 17:44:55 perky Exp $ */

#define JISX0201_R_ENCODE(c, assi)              \
    if ((c) < 0x5c || (c) == 0x7f) (assi) = (c);\
    else if ((c) > 0x5c && (c) < 0x7e)          \
        (assi) = (c);                           \
    else if ((c) == 0x00a5) (assi) = 0x5c;      \
    else if ((c) == 0x203e) (assi) = 0x7e;
#define JISX0201_K_ENCODE(c, assi)              \
    if ((c) >= 0xff61 && (c) <= 0xff9f)         \
        (assi) = (c) - 0xfec0;
#define JISX0201_ENCODE(c, assi)                \
    JISX0201_R_ENCODE(c, assi)                  \
    else JISX0201_K_ENCODE(c, assi)

#define JISX0201_R_DECODE(c, assi)              \
    if ((c) < 0x5c) (assi) = (c);               \
    else if ((c) == 0x5c) (assi) = 0x00a5;      \
    else if ((c) < 0x7e) (assi) = (c);          \
    else if ((c) == 0x7e) (assi) = 0x203e;      \
    else if ((c) == 0x7f) (assi) = 0x7f;
#define JISX0201_K_DECODE(c, assi)              \
    if ((c) >= 0xa1 && (c) <= 0xdf)             \
        (assi) = 0xfec0 + (c);
#define JISX0201_DECODE(c, assi)                \
    JISX0201_R_DECODE(c, assi)                  \
    else JISX0201_K_DECODE(c, assi)
