62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
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* Emoji-related routine and data.
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*
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* Copyright (C) 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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/**
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* @file emojidef.c
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*
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* Emoji-related routine and data that are used internally.
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*
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* @author Andreas Röver
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*/
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#include "emojidef.h"
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#include "emojidata.c"
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/**
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* Finds out if a codepoint is extended pictographic.
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*
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* @param[in] ch character to check
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* @return \c true if the codepoint is extended pictographic;
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* \c false otherwise
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*/
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bool ub_is_extended_pictographic(utf32_t ch)
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{
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int min = 0;
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int max = ARRAY_LEN(ep_prop) - 1;
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int mid;
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do
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{
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mid = (min + max) / 2;
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if (ch < ep_prop[mid].start)
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max = mid - 1;
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else if (ch > ep_prop[mid].end)
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min = mid + 1;
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else
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return true;
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} while (min <= max);
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return false;
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}
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