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/*
Copyright 2021 Gabriel Jensen
This file is part of u8c.
u8c is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
u8c is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with u8c.
If not, see <https://www.gnu.org/licenses/>.
*/
# include <assert.h>
# include <stddef.h>
# include <stdint.h>
# include <u8c/isalpha.h>
uint_least8_t u8c_isalpha(uint_least8_t * const _res,uint_least32_t const _chr) {
assert(_res != NULL);
switch(_chr) {
default:
*_res = UINT8_C(0x0);
break;
case UINT32_C(0x61): /* LATIN SMALL LETTER A */
case UINT32_C(0x62): /* LATIN SMALL LETTER B */
case UINT32_C(0x63): /* LATIN SMALL LETTER C */
case UINT32_C(0x64): /* LATIN SMALL LETTER D */
case UINT32_C(0x65): /* LATIN SMALL LETTER E */
case UINT32_C(0x66): /* LATIN SMALL LETTER F */
case UINT32_C(0x67): /* LATIN SMALL LETTER G */
case UINT32_C(0x68): /* LATIN SMALL LETTER H */
case UINT32_C(0x69): /* LATIN SMALL LETTER I */
case UINT32_C(0x6A): /* LATIN SMALL LETTER J */
case UINT32_C(0x6B): /* LATIN SMALL LETTER K */
case UINT32_C(0x6C): /* LATIN SMALL LETTER L */
case UINT32_C(0x6D): /* LATIN SMALL LETTER M */
case UINT32_C(0x6E): /* LATIN SMALL LETTER N */
case UINT32_C(0x6F): /* LATIN SMALL LETTER O */
case UINT32_C(0x70): /* LATIN SMALL LETTER P */
case UINT32_C(0x71): /* LATIN SMALL LETTER Q */
case UINT32_C(0x72): /* LATIN SMALL LETTER R */
case UINT32_C(0x73): /* LATIN SMALL LETTER S */
case UINT32_C(0x74): /* LATIN SMALL LETTER T */
case UINT32_C(0x75): /* LATIN SMALL LETTER U */
case UINT32_C(0x76): /* LATIN SMALL LETTER V */
case UINT32_C(0x77): /* LATIN SMALL LETTER W */
case UINT32_C(0x78): /* LATIN SMALL LETTER X */
case UINT32_C(0x79): /* LATIN SMALL LETTER Y */
case UINT32_C(0x7A): /* LATIN SMALL LETTER Z */
case UINT32_C(0xDF): /* LATIN SMALL LETTER SHARP S */
case UINT32_C(0xE1): /* LATIN SMALL LETTER A WITH ACUTE */
case UINT32_C(0xE4): /* LATIN SMALL LETTER A WITH DIAERESIS */
case UINT32_C(0xE5): /* LATIN SMALL LETTER A WITH RING ABOVE */
case UINT32_C(0xE6): /* LATIN SMALL LETTER AE */
case UINT32_C(0xE7): /* LATIN SMALL LETTER C WITH CEDILLA */
case UINT32_C(0xE9): /* LATIN SMALL LETTER E WITH ACUTE */
case UINT32_C(0xED): /* LATIN SMALL LETTER I WITH ACUTE */
case UINT32_C(0xF0): /* LATIN SMALL LETTER ETH */
case UINT32_C(0xF3): /* LATIN SMALL LETTER O WITH ACUTE */
case UINT32_C(0xF6): /* LATIN SMALL LETTER O WITH DIAERESIS */
case UINT32_C(0xF8): /* LATIN SMALL LETTER O WITH STROKE */
case UINT32_C(0xFA): /* LATIN SMALL LETTER U WITH ACUTE */
case UINT32_C(0xFC): /* U WITH TWO DOTS */
case UINT32_C(0xFD): /* LATIN SMALL LETTER Y WITH ACUTE */
case UINT32_C(0xFE): /* LATIN SMALL LETTER THORN */
case UINT32_C(0x11F): /* LATIN SMALL LETTER G WITH BREVE */
case UINT32_C(0x131): /* LATIN SMALL LETTER DOTLESS I */
case UINT32_C(0x133): /* LATIN SMALL LIGATURE LJ */
case UINT32_C(0x138): /* LATIN SMALL LETTER KRA */
case UINT32_C(0x14B): /* LATIN SMALL LETTER ENG */
case UINT32_C(0x153): /* LATIN SMALL LIGATURE OE */
case UINT32_C(0x15F): /* LATIN SMALL LETTER S WITH CEDILLA */
case UINT32_C(0x1BF): /* LATIN LETTER WYNN */
case UINT32_C(0x1DD): /* LATIN SMALL LETTER TURNED E */
case UINT32_C(0x21D): /* LATIN SMALL LETTER YOGH */
case UINT32_C(0x251): /* LATIN SMALL LETTER ALPHA */
case UINT32_C(0x254): /* LATIN SMALL LETTER OPEN O */
case UINT32_C(0x259): /* LATIN SMALL LETTER SCHWA */
case UINT32_C(0x25B): /* LATIN SMALL LETTER OPEN E */
case UINT32_C(0x263): /* LATIN SMALL LETTER GAMMA */
case UINT32_C(0x269): /* LATIN SMALL LETTER IOTA */
case UINT32_C(0x283): /* LATIN SMALL LETTER ESH */
case UINT32_C(0x28A): /* LATIN SMALL LETTER UPSILON */
case UINT32_C(0x28B): /* LATIN SMALL LETTER V WITH HOOK */
case UINT32_C(0x292): /* LATIN SMALL LETTER EZH */
case UINT32_C(0x294): /* LATIN SMALL LETTER GLOTTAL STOP */
case UINT32_C(0x1D79): /* LATIN SMALL LETTER INSULAR G */
case UINT32_C(0xA7B7): /* LATIN SMALL LETTER OMEGA */
*_res = UINT8_C(0x1);
break;
}
return UINT8_C(0x0);
}
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