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MDEV-31068 Reuse duplicate case conversion code in ctype-utf8.c and ctype-ucs2.c

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This commit is contained in:
Alexander Barkov
2023-04-18 06:44:03 +04:00
parent 2230c2e7aa
commit 30b4bb4204
3 changed files with 78 additions and 118 deletions
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56
strings/ctype-unidata.h
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@@ -24,6 +24,62 @@ extern MY_UNICASE_CHARACTER *my_unicase_default_pages[256];
extern MY_UNICASE_CHARACTER my_unicase_mysql500_page00[256];
extern MY_UNICASE_CHARACTER *my_unicase_mysql500_pages[256];
static inline my_wc_t my_u300_tolower_7bit(uchar ch)
{
return my_unicase_default_page00[ch].tolower;
}
static inline my_wc_t my_u300_toupper_7bit(uchar ch)
{
return my_unicase_default_page00[ch].toupper;
}
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;
}
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;
}
}
size_t my_strxfrm_pad_nweights_unicode(uchar *str, uchar *strend, size_t nweights);
size_t my_strxfrm_pad_unicode(uchar *str, uchar *strend);