common/conv.h

   1 #define F_GB 'A'
   2
   3 #define INT9494(f,r,c)  ((f) << 16) | ((r) << 8) | (c)
   4 #define INTIS9494(c)    !!(((c) >> 16) & 0x7F)
   5 #define INTISUCS(c)     ((c & ~0x7F) && !(((c) >> 16) & 0x7F))
   6 #define INTUCS(c)       (c)
   7 #define INT9494F(c)     ((c) >> 16) & 0x7F
   8 #define INT9494R(c)     ((c) >> 8) & 0x7F
   9 #define INT9494C(c)     (c) & 0x7F
  10 #define INTILL(c)       (1 << 23) | (c)
  11 #ifdef USE_WIDECHAR
  12 #define INTISWIDE(c)    (!!(c >> 8))
  13 #define CHAR_WIDTH(sp, ch)                                              \
  14         (INTISUCS(ch) && ucswidth(ch) > 0 ? ucswidth(ch) : INTISWIDE(ch) ? 2 : 1)
  15 #else
  16 #define INTISWIDE(c)        0
  17 #define CHAR_WIDTH(sp, ch)  1
  18 #endif
  19
  20 #define KEY_COL(sp, ch)                                                 \
  21         (INTISWIDE(ch) ? CHAR_WIDTH(sp, ch) : KEY_LEN(sp,ch))
  22
  23 struct _conv_win {
  24     void    *bp1;
  25     size_t   blen1;
  26     void    *bp2;
  27     size_t   blen2;
  28 };
  29
  30 struct _conv {
  31         int     (*char2int) (struct _conv*, const char *, ssize_t, struct _conv_win *, size_t *);
  32         int     (*int2char) (struct _conv*, const CHAR_T *, ssize_t, struct _conv_win *, size_t *);
  33         int     (*file2int) (struct _conv*, const char *, ssize_t, struct _conv_win *, size_t *);
  34         int     (*int2file) (struct _conv*, const CHAR_T *, ssize_t, struct _conv_win *, size_t *);
  35         int     (*int2disp) (struct _conv*, const CHAR_T *, ssize_t, struct _conv_win *, size_t *);
  36 };