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/* See LICENSE file for copyright and license details. */
#include "lib-common.h"
static struct {
#ifndef REVERSED
# define FUNC_NAME libcharconv_rotated_45deg_cw
uint_least32_t from;
uint_least32_t to;
#else
# define FUNC_NAME libcharconv_rotated_45deg_ccw
uint_least32_t to;
uint_least32_t from;
#endif
} pairs[] = {
CYCLE_8(0x1FA04, 0x1FA08, 0x1FA19, 0x1FA1D, 0x1FA2E, 0x1FA32, 0x1FA43, 0x1FA47),
CYCLE_8(0x02658, 0x1FA06, 0x1FA0D, 0x1FA1B, 0x1FA22, 0x1FA30, 0x1FA37, 0x1FA45),
CYCLE_8(0x0265E, 0x1FA07, 0x1FA13, 0x1FA1C, 0x1FA28, 0x1FA31, 0x1FA3D, 0x1FA46),
CYCLE_2(0x2E2C, 0x2058),
CYCLE_2(0x203B, 0x205C)
};
enum libcharconv_result
FUNC_NAME(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp)
{
uint_least32_t c;
size_t i, clen;
*n = 0;
while (slen) {
clen = libcharconv_decode_utf8_(s, slen, &c);
if (clen > slen) {
if (*n)
goto no_conv;
return LIBCHARCONV_INDETERMINATE;
}
if (!clen) {
*n += 1u;
slen -= 1u;
s = &s[1];
continue;
}
for (i = 0u; i < sizeof(pairs) / sizeof(*pairs); i++) {
if (c == pairs[i].from) {
c = pairs[i].to;
goto conv;
}
}
*n += clen;
s = &s[clen];
slen -= clen;
}
no_conv:
return LIBCHARCONV_NO_CONVERT;
conv:
if (*n)
goto no_conv;
if (*ncp)
*cp = c;
*n += clen;
*ncp = 1u;
return LIBCHARCONV_CONVERTED;
}
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