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| | | // |
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| | | // NSString+HMEmoji.m |
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| | | // 表情键盘 |
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| | | // |
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| | | // Created by 刘凡 on 16/3/4. |
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| | | // Copyright © 2016年 itcast. All rights reserved. |
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| | | // |
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| | | |
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| | | #import "NSString+HMEmoji.h" |
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| | | |
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| | | #define EmojiCodeToSymbol(c) ((((0x808080F0 | (c & 0x3F000) >> 4) | (c & 0xFC0) << 10) | (c & 0x1C0000) << 18) | (c & 0x3F) << 24) |
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| | | |
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| | | @implementation NSString (HMEmoji) |
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| | | |
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| | | + (NSString *)hm_emojiWithIntCode:(unsigned int)intCode { |
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| | | unsigned int symbol = EmojiCodeToSymbol(intCode); |
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| | | NSString *string = [[NSString alloc] initWithBytes:&symbol length:sizeof(symbol) encoding:NSUTF8StringEncoding]; |
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| | | |
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| | | if (string == nil) { |
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| | | string = [NSString stringWithFormat:@"%C", (unichar)intCode]; |
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| | | } |
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| | | return string; |
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| | | } |
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| | | |
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| | | + (NSString *)hm_emojiWithStringCode:(NSString *)stringCode { |
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| | | |
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| | | NSScanner *scanner = [[NSScanner alloc] initWithString:stringCode]; |
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| | | |
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| | | unsigned int intCode = 0; |
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| | | [scanner scanHexInt:&intCode]; |
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| | | |
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| | | return [self hm_emojiWithIntCode:intCode]; |
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| | | } |
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| | | |
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| | | - (NSString *)hm_emoji { |
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| | | return [NSString hm_emojiWithStringCode:self]; |
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| | | } |
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| | | @end |
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