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150 lines
4.1 KiB
C
150 lines
4.1 KiB
C
#ifndef CTYPE_UNIDATA_H_INCLUDED
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#define CTYPE_UNIDATA_H_INCLUDED
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/*
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Copyright (c) 2018, 2023 MariaDB Corporation
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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extern const uint16 weight_general_ci_page00[256];
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extern const uint16 *weight_general_ci_index[256];
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extern const uint16 weight_general_mysql500_ci_page00[256];
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extern const uint16 *weight_general_mysql500_ci_index[256];
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extern const MY_CASEFOLD_CHARACTER u300_casefold_page00[256];
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static inline my_wc_t my_u300_tolower_7bit(uchar ch)
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{
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return u300_casefold_page00[ch].tolower;
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}
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static inline my_wc_t my_u300_toupper_7bit(uchar ch)
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{
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return u300_casefold_page00[ch].toupper;
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}
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static inline my_wc_t my_general_ci_bmp_char_to_weight(my_wc_t wc)
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{
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const uint16 *page;
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DBUG_ASSERT((wc >> 8) < array_elements(weight_general_ci_index));
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page= weight_general_ci_index[wc >> 8];
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return page ? page[wc & 0xFF] : wc;
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}
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static inline my_wc_t my_general_ci_char_to_weight(my_wc_t wc)
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{
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if ((wc >> 8) < array_elements(weight_general_ci_index))
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return my_general_ci_bmp_char_to_weight(wc);
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return MY_CS_REPLACEMENT_CHARACTER;
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}
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static inline my_wc_t my_general_mysql500_ci_bmp_char_to_weight(my_wc_t wc)
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{
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const uint16 *page;
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DBUG_ASSERT((wc >> 8) < array_elements(weight_general_mysql500_ci_index));
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page= weight_general_mysql500_ci_index[wc >> 8];
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return page ? page[wc & 0xFF] : wc;
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}
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static inline void my_tosort_unicode_bmp(MY_CASEFOLD_INFO *uni_plane,
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my_wc_t *wc)
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{
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const uint16 *page;
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DBUG_ASSERT(*wc <= uni_plane->maxchar);
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if ((page= uni_plane->simple_weight[*wc >> 8]))
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*wc= page[*wc & 0xFF];
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}
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static inline void my_tosort_unicode(MY_CASEFOLD_INFO *uni_plane,
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my_wc_t *wc)
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{
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if (*wc <= uni_plane->maxchar)
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{
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const uint16 *page;
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if ((page= uni_plane->simple_weight[*wc >> 8]))
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*wc= page[*wc & 0xFF];
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}
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else
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{
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*wc= MY_CS_REPLACEMENT_CHARACTER;
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}
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}
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static inline void
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my_tolower_unicode_bmp(MY_CASEFOLD_INFO *uni_plane, my_wc_t *wc)
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{
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const MY_CASEFOLD_CHARACTER *page;
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DBUG_ASSERT(*wc <= uni_plane->maxchar);
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if ((page= uni_plane->page[*wc >> 8]))
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*wc= page[*wc & 0xFF].tolower;
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}
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static inline void
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my_toupper_unicode_bmp(MY_CASEFOLD_INFO *uni_plane, my_wc_t *wc)
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{
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const MY_CASEFOLD_CHARACTER *page;
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DBUG_ASSERT(*wc <= uni_plane->maxchar);
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if ((page= uni_plane->page[*wc >> 8]))
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*wc= page[*wc & 0xFF].toupper;
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}
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static inline void
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my_tolower_unicode(MY_CASEFOLD_INFO *uni_plane, my_wc_t *wc)
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{
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if (*wc <= uni_plane->maxchar)
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{
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const MY_CASEFOLD_CHARACTER *page;
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if ((page= uni_plane->page[(*wc >> 8)]))
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*wc= page[*wc & 0xFF].tolower;
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}
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}
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static inline void
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my_toupper_unicode(MY_CASEFOLD_INFO *uni_plane, my_wc_t *wc)
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{
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if (*wc <= uni_plane->maxchar)
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{
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const MY_CASEFOLD_CHARACTER *page;
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if ((page= uni_plane->page[(*wc >> 8)]))
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*wc= page[*wc & 0xFF].toupper;
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}
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}
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extern MY_CASEFOLD_INFO my_casefold_default;
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extern MY_CASEFOLD_INFO my_casefold_turkish;
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extern MY_CASEFOLD_INFO my_casefold_mysql500;
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extern MY_CASEFOLD_INFO my_casefold_unicode520;
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extern MY_CASEFOLD_INFO my_casefold_unicode1400;
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extern MY_CASEFOLD_INFO my_casefold_unicode1400tr;
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size_t my_strxfrm_pad_nweights_unicode(uchar *str, uchar *strend, size_t nweights);
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size_t my_strxfrm_pad_unicode(uchar *str, uchar *strend);
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#define PUT_WC_BE2_HAVE_1BYTE(dst, de, wc) \
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do { *dst++= (uchar) (wc >> 8); if (dst < de) *dst++= (uchar) (wc & 0xFF); } while(0)
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#endif /* CTYPE_UNIDATA_H_INCLUDED */
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