iOS之禁止所有输入法的表情
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2023-11-07 18:29:46
//判断是否是表情字符 ......
- (bool)textview:(uitextview *)textview shouldchangetextinrange:(nsrange)range replacementtext:(nsstring *)text { //禁止所有输入法的表情 if ([self iscontainstwoemoji:text]) { return no; } return yes; }
//判断是否是表情字符
- (bool)iscontainstwoemoji:(nsstring *)string { __block bool iseomji = no; [string enumeratesubstringsinrange:nsmakerange(0, [string length]) options:nsstringenumerationbycomposedcharactersequences usingblock: ^(nsstring *substring, nsrange substringrange, nsrange enclosingrange, bool *stop) { const unichar hs = [substring characteratindex:0]; // nslog(@"hs++++++++%04x",hs); if (0xd800 <= hs && hs <= 0xdbff) { if (substring.length > 1) { const unichar ls = [substring characteratindex:1]; const int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000; if (0x1d000 <= uc && uc <= 0x1f77f) { iseomji = yes; } // nslog(@"uc++++++++%04x",uc); } } else if (substring.length > 1) { const unichar ls = [substring characteratindex:1]; if (ls == 0x20e3|| ls ==0xfe0f) { iseomji = yes; } // nslog(@"ls++++++++%04x",ls); } else { if (0x2100 <= hs && hs <= 0x27ff && hs != 0x263b) { iseomji = yes; } else if (0x2b05 <= hs && hs <= 0x2b07) { iseomji = yes; } else if (0x2934 <= hs && hs <= 0x2935) { iseomji = yes; } else if (0x3297 <= hs && hs <= 0x3299) { iseomji = yes; } else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b || hs == 0x2b50|| hs == 0x231a ) { iseomji = yes; } } }]; return iseomji; }
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