/* See LICENSE file for copyright and license details. */
#include "lib-common.h"


enum libcharconv_result
libcharconv_double_struck(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++, ++*n) {
		PLAIN_SINGLE('C', 0x2102);
		PLAIN_SINGLE('H', 0x210D);
		PLAIN_SINGLE('N', 0x2115);
		PLAIN_SINGLE('P', 0x2119);
		PLAIN_SINGLE('Q', 0x211A);
		PLAIN_SINGLE('R', 0x211D);
		PLAIN_SINGLE('Z', 0x2124);
		PLAIN_RANGE('A', 'Z', 0x1D538);
		PLAIN_RANGE('a', 'z', 0x1D552);
		PLAIN_RANGE('0', '9', 0x1D7D8);
	}
no_conv:
	return LIBCHARCONV_NO_CONVERT;

conv:
	if (*n)
		goto no_conv;
	if (*ncp)
		*cp = c;
	*n += 1u;
	*ncp = 1u;
	return LIBCHARCONV_CONVERTED;
}