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terrible code, atom will fix it later

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Blendi-Goose 2025-06-27 21:09:28 +02:00
parent cfcc06ead0
commit 6c2a4fdc11
1 changed files with 33 additions and 0 deletions
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33
src/unicode.c
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@ -2,8 +2,41 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
bool nn_unicode_is_continuation(char byte) {
return (byte >> 6) == 0b10;
}
bool nn_unicode_validate(const char *s) { bool nn_unicode_validate(const char *s) {
// TODO: validate UTF-8-ness // TODO: validate UTF-8-ness
while (*s) {
if(s[0] <= 0x7F) {
s++;
} else if((s[0] >> 5) == 0b110) {
if (!nn_unicode_is_continuation(s[1])) {
return false;
}
s += 2;
} else if((s[0] >> 4) == 0b1110) {
if (!nn_unicode_is_continuation(s[1])) {
return false;
}
if (!nn_unicode_is_continuation(s[2])) {
return false;
}
s += 3;
} else if((s[0] >> 3) == 0b11110) {
if (!nn_unicode_is_continuation(s[1])) {
return false;
}
if (!nn_unicode_is_continuation(s[2])) {
return false;
}
if (!nn_unicode_is_continuation(s[3])) {
return false;
}
s += 4;
}
}
return true; return true;
} }