mirror of
https://gitee.com/zlgopen/awtk.git
synced 2024-11-30 02:58:26 +08:00
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
|
|
* Emoji-related routine and data.
|
|
*
|
|
* Copyright (C) 2018 Andreas Röver <roever at users dot sf dot net>
|
|
*
|
|
* This software is provided 'as-is', without any express or implied
|
|
* warranty. In no event will the author be held liable for any damages
|
|
* arising from the use of this software.
|
|
*
|
|
* Permission is granted to anyone to use this software for any purpose,
|
|
* including commercial applications, and to alter it and redistribute
|
|
* it freely, subject to the following restrictions:
|
|
*
|
|
* 1. The origin of this software must not be misrepresented; you must
|
|
* not claim that you wrote the original software. If you use this
|
|
* software in a product, an acknowledgement in the product
|
|
* documentation would be appreciated but is not required.
|
|
* 2. Altered source versions must be plainly marked as such, and must
|
|
* not be misrepresented as being the original software.
|
|
* 3. This notice may not be removed or altered from any source
|
|
* distribution.
|
|
*/
|
|
|
|
/**
|
|
* @file emojidef.c
|
|
*
|
|
* Emoji-related routine and data that are used internally.
|
|
*
|
|
* @author Andreas Röver
|
|
*/
|
|
|
|
#include "emojidef.h"
|
|
#include "emojidata.inc"
|
|
|
|
/**
|
|
* Finds out if a codepoint is extended pictographic.
|
|
*
|
|
* @param[in] ch character to check
|
|
* @return \c true if the codepoint is extended pictographic;
|
|
* \c false otherwise
|
|
*/
|
|
bool ub_is_extended_pictographic(utf32_t ch)
|
|
{
|
|
int min = 0;
|
|
int max = ARRAY_LEN(ep_prop) - 1;
|
|
int mid;
|
|
|
|
do
|
|
{
|
|
mid = (min + max) / 2;
|
|
|
|
if (ch < ep_prop[mid].start)
|
|
max = mid - 1;
|
|
else if (ch > ep_prop[mid].end)
|
|
min = mid + 1;
|
|
else
|
|
return true;
|
|
} while (min <= max);
|
|
|
|
return false;
|
|
}
|