40 lines
2.7 KiB
C
40 lines
2.7 KiB
C
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/* +--------------------------------------------------------------------------+
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** | _ _ _ |
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** | | \ | | (_) |
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** | | \| | ___ _ __ _ |
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** | | . ` |/ _ \| |/ _` | |
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** | | |\ | (_) | | (_| | |
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** | |_| \_|\___/| |\__,_| |
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** | _/ | |
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** | |__/ |
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** +--------------------------------------------------------------------------+
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** | Copyright (c) 2022 Francesco Cozzuto <francesco.cozzuto@gmail.com> |
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** +--------------------------------------------------------------------------+
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** | This file is part of The Noja Interpreter. |
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** | |
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** | The Noja Interpreter is free software: you can redistribute it and/or |
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** | modify it under the terms of the GNU General Public License as published |
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** | by the Free Software Foundation, either version 3 of the License, or (at |
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** | your option) any later version. |
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** | |
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** | The Noja Interpreter 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 GNU General |
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** | Public License for more details. |
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** | |
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** | You should have received a copy of the GNU General Public License along |
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** | with The Noja Interpreter. If not, see <http://www.gnu.org/licenses/>. |
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** +--------------------------------------------------------------------------+
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*/
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#ifndef UTF8_H
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#define UTF8_H
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#include <stdint.h> // uint32_t
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int utf8_sequence_from_utf32_codepoint(char *utf8_data, int nbytes, uint32_t utf32_code);
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int utf8_sequence_to_utf32_codepoint(const char *utf8_data, int nbytes, uint32_t *utf32_code);
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int utf8_strlen(const char *utf8_data, int nbytes);
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int utf8_prev(const char *utf8_data, int nbytes, int idx, uint32_t *utf32_code);
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int utf8_next(const char *utf8_data, int nbytes, int idx, uint32_t *utf32_code);
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int utf8_curr(const char *utf8_data, int nbytes, int idx, uint32_t *utf32_code);
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#endif // #ifndef UTF8_H
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