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74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* Grapheme breaking in a Unicode sequence. Designed to be used in a
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* generic text renderer.
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*
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* Copyright (C) 2016-2018 Andreas Röver <roever at users dot sf dot net>
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the author be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute
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* it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must
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* not claim that you wrote the original software. If you use this
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* software in a product, an acknowledgement in the product
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* documentation would be appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must
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* not be misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*
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* The main reference is Unicode Standard Annex 29 (UAX #29):
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* <URL:http://unicode.org/reports/tr29>
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*
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* When this library was designed, this annex was at Revision 29, for
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* Unicode 9.0.0:
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* <URL:http://www.unicode.org/reports/tr29/tr29-29.html>
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*
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* This library has been updated according to Revision 33, for
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* Unicode 11.0.0:
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* <URL:http://www.unicode.org/reports/tr29/tr29-33.html>
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*
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* The Unicode Terms of Use are available at
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* <URL:http://www.unicode.org/copyright.html>
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*/
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/**
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* @file graphemebreak.h
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*
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* Header file for the grapheme breaking algorithm.
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*
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* @author Andreas Röver
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*/
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#ifndef GRAPHEMEBREAK_H
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#define GRAPHEMEBREAK_H
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#include <stddef.h>
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#include "unibreakbase.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GRAPHEMEBREAK_BREAK 0 /**< Between 2 graphemes */
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#define GRAPHEMEBREAK_NOBREAK 1 /**< Inside a grapheme */
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#define GRAPHEMEBREAK_INSIDEACHAR 2 /**< Inside a unicode character */
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void init_graphemebreak(void);
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void set_graphemebreaks_utf8(const utf8_t *s, size_t len, const char *lang,
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char *brks);
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void set_graphemebreaks_utf16(const utf16_t *s, size_t len,
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const char *lang, char *brks);
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void set_graphemebreaks_utf32(const utf32_t *s, size_t len,
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const char *lang, char *brks);
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#ifdef __cplusplus
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}
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#endif
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#endif /* GRAPHEMEBREAK_H */
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