/* See LICENSE file for copyright and license details. */
#include "libcharconv.h"


enum libcharconv_result
libcharconv_cypriot(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[0]) {
		case 'A': case 'a': c = UINT32_C(0x10800); goto conv1;
		case 'E': case 'e': c = UINT32_C(0x10801); goto conv1;
		case 'I': case 'i': c = UINT32_C(0x10802); goto conv1;
		case 'O': case 'o': c = UINT32_C(0x10803); goto conv1;
		case 'U': case 'u': c = UINT32_C(0x10804); goto conv1;
		case 'J': case 'j':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x10805); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x10808); goto conv2;
			default:
				goto no_match;
			}
		case 'K': case 'k':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x1080A); goto conv2;
			case 'E': case 'e': c = UINT32_C(0x1080B); goto conv2;
			case 'I': case 'i': c = UINT32_C(0x1080C); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x1080D); goto conv2;
			case 'U': case 'u': c = UINT32_C(0x1080E); goto conv2;
			default:
				goto no_match;
			}
		case 'L': case 'l':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x1080F); goto conv2;
			case 'E': case 'e': c = UINT32_C(0x10810); goto conv2;
			case 'I': case 'i': c = UINT32_C(0x10811); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x10812); goto conv2;
			case 'U': case 'u': c = UINT32_C(0x10813); goto conv2;
			default:
				goto no_match;
			}
		case 'M': case 'm':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x10814); goto conv2;
			case 'E': case 'e': c = UINT32_C(0x10815); goto conv2;
			case 'I': case 'i': c = UINT32_C(0x10816); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x10817); goto conv2;
			case 'U': case 'u': c = UINT32_C(0x10818); goto conv2;
			default:
				goto no_match;
			}
		case 'N': case 'n':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x10819); goto conv2;
			case 'E': case 'e': c = UINT32_C(0x1081A); goto conv2;
			case 'I': case 'i': c = UINT32_C(0x1081B); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x1081C); goto conv2;
			case 'U': case 'u': c = UINT32_C(0x1081D); goto conv2;
			default:
				goto no_match;
			}
		case 'P': case 'p':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x1081E); goto conv2;
			case 'E': case 'e': c = UINT32_C(0x1081F); goto conv2;
			case 'I': case 'i': c = UINT32_C(0x10820); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x10821); goto conv2;
			case 'U': case 'u': c = UINT32_C(0x10822); goto conv2;
			default:
				goto no_match;
			}
		case 'R': case 'r':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x10823); goto conv2;
			case 'E': case 'e': c = UINT32_C(0x10824); goto conv2;
			case 'I': case 'i': c = UINT32_C(0x10825); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x10826); goto conv2;
			case 'U': case 'u': c = UINT32_C(0x10827); goto conv2;
			default:
				goto no_match;
			}
		case 'S': case 's':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x10828); goto conv2;
			case 'E': case 'e': c = UINT32_C(0x10829); goto conv2;
			case 'I': case 'i': c = UINT32_C(0x1082A); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x1082B); goto conv2;
			case 'U': case 'u': c = UINT32_C(0x1082C); goto conv2;
			default:
				goto no_match;
			}
		case 'T': case 't':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x1082D); goto conv2;
			case 'E': case 'e': c = UINT32_C(0x1082E); goto conv2;
			case 'I': case 'i': c = UINT32_C(0x1082F); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x10831); goto conv2;
			case 'U': case 'u': c = UINT32_C(0x10830); goto conv2;
			default:
				goto no_match;
			}
		case 'W': case 'w':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x10832); goto conv2;
			case 'E': case 'e': c = UINT32_C(0x10833); goto conv2;
			case 'I': case 'i': c = UINT32_C(0x10834); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x10835); goto conv2;
			default:
				goto no_match;
			}
		case 'X': case 'x':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x10837); goto conv2;
			case 'E': case 'e': c = UINT32_C(0x10838); goto conv2;
			default:
				goto no_match;
			}
		case 'Z': case 'z':
			if (!slen)
				return LIBCHARCONV_INDETERMINATE;
			switch (s[1]) {
			case 'A': case 'a': c = UINT32_C(0x1083C); goto conv2;
			case 'O': case 'o': c = UINT32_C(0x1083F); goto conv2;
			default:
				goto no_match;
			}
		default:
		no_match:
			*n += 1u;
			break;
		}
	}
no_conv:
	return LIBCHARCONV_NO_CONVERT;

conv1:
	if (*n)
		goto no_conv;
	if (*ncp)
		*cp = c;
	*n += 1u;
	*ncp = 1u;
	return LIBCHARCONV_CONVERTED;

conv2:
	if (*n)
		goto no_conv;
	if (*ncp)
		*cp = c;
	*n += 2u;
	*ncp = 1u;
	return LIBCHARCONV_CONVERTED;
}