/************************************************************
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* * Hyphenate CONFIDENTIAL
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* __________________
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* Copyright (C) 2016 Hyphenate Inc. All rights reserved.
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*
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* NOTICE: All information contained herein is, and remains
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* the property of Hyphenate Inc.
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* Dissemination of this information or reproduction of this material
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* is strictly forbidden unless prior written permission is obtained
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* from Hyphenate Inc.
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*/
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#import "EaseEmoji.h"
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#import "EaseEmojiEmoticons.h"
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@implementation EaseEmoji
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+ (NSString *)emojiWithCode:(int)code
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{
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int sym = EMOJI_CODE_TO_SYMBOL(code);
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return [[NSString alloc] initWithBytes:&sym length:sizeof(sym) encoding:NSUTF8StringEncoding];
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}
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+ (NSArray *)allEmoji
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{
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NSMutableArray *array = [NSMutableArray new];
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[array addObjectsFromArray:[EaseEmojiEmoticons allEmoticons]];
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return array;
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}
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+ (BOOL)stringContainsEmoji:(NSString *)string
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{
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__block BOOL returnValue = NO;
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[string enumerateSubstringsInRange:NSMakeRange(0, [string length])
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options:NSStringEnumerationByComposedCharacterSequences
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usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
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const unichar hs = [substring characterAtIndex:0];
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if (0xd800 <= hs && hs <= 0xdbff) {
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if (substring.length > 1) {
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const unichar ls = [substring characterAtIndex:1];
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const int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;
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if (0x1d000 <= uc && uc <= 0x1f77f) {
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returnValue = YES;
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}
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}
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} else if (substring.length > 1) {
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const unichar ls = [substring characterAtIndex:1];
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if (ls == 0x20e3) {
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returnValue = YES;
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}
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} else {
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if (0x2100 <= hs && hs <= 0x27ff) {
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returnValue = YES;
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} else if (0x2B05 <= hs && hs <= 0x2b07) {
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returnValue = YES;
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} else if (0x2934 <= hs && hs <= 0x2935) {
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returnValue = YES;
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} else if (0x3297 <= hs && hs <= 0x3299) {
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returnValue = YES;
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} else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b || hs == 0x2b50) {
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returnValue = YES;
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}
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}
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}];
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return returnValue;
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}
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@end
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