Reuse duplicate case conversion code in ctype-utf8.c and ctype-ucs2.c

static inline void

my_tolower_utf16(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  MY_UNICASE_CHARACTER *page;

  if ((*wc <= uni_plane->maxchar) && (page= uni_plane->page[*wc >> 8]))

    *wc= page[*wc & 0xFF].tolower;

}

static inline void

my_toupper_utf16(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  MY_UNICASE_CHARACTER *page;

  if ((*wc <= uni_plane->maxchar) && (page= uni_plane->page[*wc >> 8]))

    *wc= page[*wc & 0xFF].toupper;

}

static inline void

my_tolower_utf32(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  MY_UNICASE_CHARACTER *page;

  if ((*wc <= uni_plane->maxchar) && (page= uni_plane->page[*wc >> 8]))

    *wc= page[*wc & 0xFF].tolower;

}

static inline void

my_toupper_utf32(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  MY_UNICASE_CHARACTER *page;

  if ((*wc <= uni_plane->maxchar) && (page= uni_plane->page[*wc >> 8]))

    *wc= page[*wc & 0xFF].toupper;

}

static inline void

my_tolower_ucs2(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  MY_UNICASE_CHARACTER *page;

  if ((page= uni_plane->page[(*wc >> 8) & 0xFF]))

    *wc= page[*wc & 0xFF].tolower;

}

static inline void

my_toupper_ucs2(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  MY_UNICASE_CHARACTER *page;

  if ((page= uni_plane->page[(*wc >> 8) & 0xFF]))

    *wc= page[*wc & 0xFF].toupper;

}

static inline void

my_tolower_utf8mb3(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  MY_UNICASE_CHARACTER *page;

  if ((page= uni_plane->page[(*wc >> 8) & 0xFF]))

    *wc= page[*wc & 0xFF].tolower;

}

static inline void

my_toupper_utf8mb3(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  MY_UNICASE_CHARACTER *page;

  if ((page= uni_plane->page[(*wc >> 8) & 0xFF]))

    *wc= page[*wc & 0xFF].toupper;

}

static inline void

my_tolower_utf8mb4(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  if (*wc <= uni_plane->maxchar)

  {

    MY_UNICASE_CHARACTER *page;

    if ((page= uni_plane->page[(*wc >> 8)]))

      *wc= page[*wc & 0xFF].tolower;

  }

}

static inline void

my_toupper_utf8mb4(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  if (*wc <= uni_plane->maxchar)

  {

    MY_UNICASE_CHARACTER *page;

    if ((page= uni_plane->page[(*wc >> 8)]))

      *wc= page[*wc & 0xFF].toupper;

  }

}

/* utf8mb3 and ucs2 share this code */

static inline void

my_tolower_unicode_bmp(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  const MY_UNICASE_CHARACTER *page;

  DBUG_ASSERT(*wc <= uni_plane->maxchar);

  if ((page= uni_plane->page[*wc >> 8]))

    *wc= page[*wc & 0xFF].tolower;

}

static inline void

my_toupper_unicode_bmp(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  const MY_UNICASE_CHARACTER *page;

  DBUG_ASSERT(*wc <= uni_plane->maxchar);

  if ((page= uni_plane->page[*wc >> 8]))

    *wc= page[*wc & 0xFF].toupper;

}

/* utf8mb4, utf16, utf32 share this code */

static inline void

my_tolower_unicode(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  if (*wc <= uni_plane->maxchar)

  {

    const MY_UNICASE_CHARACTER *page;

    if ((page= uni_plane->page[(*wc >> 8)]))

      *wc= page[*wc & 0xFF].tolower;

  }

}

static inline void

my_toupper_unicode(MY_UNICASE_INFO *uni_plane, my_wc_t *wc)

{

  if (*wc <= uni_plane->maxchar)

  {

    const MY_UNICASE_CHARACTER *page;

    if ((page= uni_plane->page[(*wc >> 8)]))

      *wc= page[*wc & 0xFF].toupper;

  }

}