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/* See LICENSE file for copyright and license details. */
#include "lib-common.h"
enum libcharconv_result
libcharconv_invisible(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp)
{
uint_least32_t c;
*n = 0;
for (; slen--; s++) {
switch (*s) {
case '(': c = UINT32_C(0x2061); goto conv;
case '*': c = UINT32_C(0x2062); goto conv;
case '|': c = UINT32_C(0x2063); goto conv;
case '+': c = UINT32_C(0x2064); goto conv;
default:
*n += 1u;
break;
}
}
no_conv:
return LIBCHARCONV_NO_CONVERT;
conv:
if (*n)
goto no_conv;
if (*ncp)
*cp = c;
*n += 1u;
*ncp = 1u;
return LIBCHARCONV_CONVERTED;
}
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