肖琇丹微博,松原市天气预报,姫川りな
我要评论- (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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