diff options
Diffstat (limited to 'src/u8c/isalpha.c')
| -rw-r--r-- | src/u8c/isalpha.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/u8c/isalpha.c b/src/u8c/isalpha.c new file mode 100644 index 0000000..82a4115 --- /dev/null +++ b/src/u8c/isalpha.c @@ -0,0 +1,92 @@ +/* + 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 _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(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(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(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); +} |