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


static unsigned char yijing_hexagrams[] = {
	0xC0, 0xEB, 0xCC, 0xE0, 0xC9, 0xC5, 0xD8, 0xCB,
	0xC8, 0xF8, 0xE4, 0xF4, 0xFC, 0xFA, 0xE9, 0xD3,
	0xCD, 0xF1, 0xDD, 0xF7, 0xE5, 0xFF, 0xD4, 0xE2,
	0xD9, 0xD1, 0xD5, 0xF3, 0xE8, 0xC3, 0xDA, 0xD6,
	0xEA, 0xDB, 0xF0, 0xDE, 0xF9, 0xEE, 0xD0, 0xEC,
	0xC4, 0xEF, 0xFE, 0xE6, 0xFB, 0xDC, 0xC2, 0xC7,
	0xE1, 0xDF, 0xF6, 0xFD, 0xF5, 0xE7, 0xF2, 0xCF,
	0xCA, 0xED, 0xE3, 0xCE, 0xD2, 0xC6, 0xD7, 0xC1
};


enum libcharconv_result
libcharconv_latin(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp)
{
	enum libcharconv_result ret = LIBCHARCONV_CONVERTED;
	uint_least32_t c;
	char c1, c2, c3, c4, c5, c6;
	size_t i, clen;
	unsigned num;

	*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;
		}
		slen -= clen;

		if (UINT32_C(0x2680) <= c && c <= UINT32_C(0x2685)) {
			/* dice */
			c -= (uint_least32_t)UINT32_C(0x2680) - (uint_least32_t)'1';
			goto conv;

		} else if (UINT32_C(0x1F1E6) <= c && c <= UINT32_C(0x1F1FF)) {
			/* region indicators */
			c -= (uint_least32_t)UINT32_C(0x1F1E6) - (uint_least32_t)'A';
			goto conv;

		} else if (UINT32_C(0xE0020) <= c && c <= UINT32_C(0xE007E)) {
			/* tags */
			c -= (uint_least32_t)UINT32_C(0xE0000);
			goto conv;

		} else if (UINT32_C(0x10800) <= c && c <= UINT32_C(0x1083F)) {
			/* cypriot */
			c -= UINT32_C(0x10800);
			c1 = "_jklmnprstwxz"[c / 5];
			c2 = "aeiou"[c % 5];
			if (c1 == '_') {
				c = (uint_least32_t)c2;
				goto conv;
			}
			if (c1 == 'j' && c2 != 'a' && c2 != 'o')
				goto no_match;
			if (c1 == 'w' && c2 == 'u')
				goto no_match;
			if (c1 == 'x' && c2 != 'a' && c2 != 'e')
				goto no_match;
			if (c1 == 'z' && c2 != 'a' && c2 != 'o')
				goto no_match;
			goto conv2;

		} else if (UINT32_C(0x1D400) <= c && c <= UINT32_C(0x1D419)) {
			/* bold (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D400) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D41A) <= c && c <= UINT32_C(0x1D433)) {
			/* bold (small) */
			c -= (uint_least32_t)UINT32_C(0x1D41A) - (uint_least32_t)'a';
			goto conv;
		} else if (UINT32_C(0x1D7CE) <= c && c <= UINT32_C(0x1D7D7)) {
			/* bold (digit) */
			c -= (uint_least32_t)UINT32_C(0x1D7CE) - (uint_least32_t)'0';
			goto conv;

		} else if (UINT32_C(0x1D434) <= c && c <= UINT32_C(0x1D44D)) {
			/* italic (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D434) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D44E) <= c && c <= UINT32_C(0x1D467)) {
			/* italic (small) */
			c -= (uint_least32_t)UINT32_C(0x1D44E) - (uint_least32_t)'a';
			goto conv;
		} else if (c == UINT32_C(0x210E)) {
			/* italic (small h) */
			c = (uint_least32_t)'h';
			goto conv;

		} else if (UINT32_C(0x1D468) <= c && c <= UINT32_C(0x1D481)) {
			/* bold italic (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D468) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D482) <= c && c <= UINT32_C(0x1D49B)) {
			/* bold italic (small) */
			c -= (uint_least32_t)UINT32_C(0x1D482) - (uint_least32_t)'a';
			goto conv;

		} else if (UINT32_C(0x1D670) <= c && c <= UINT32_C(0x1D689)) {
			/* monospace (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D670) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D68A) <= c && c <= UINT32_C(0x1D6A3)) {
			/* monospace (small) */
			c -= (uint_least32_t)UINT32_C(0x1D68A) - (uint_least32_t)'a';
			goto conv;
		} else if (UINT32_C(0x1D7F6) <= c && c <= UINT32_C(0x1D7FF)) {
			/* monospace (digit) */
			c -= (uint_least32_t)UINT32_C(0x1D7F6) - (uint_least32_t)'0';
			goto conv;

		} else if (UINT32_C(0x1FBF0) <= c && c <= UINT32_C(0x1FBF9)) {
			/* segmented */
			c -= (uint_least32_t)UINT32_C(0x1FBF0) - (uint_least32_t)'0';
			goto conv;

		} else if (UINT32_C(0x1D5A0) <= c && c <= UINT32_C(0x1D5B9)) {
			/* sans-serif (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D5A0) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D5BA) <= c && c <= UINT32_C(0x1D5D3)) {
			/* sans-serif (small) */
			c -= (uint_least32_t)UINT32_C(0x1D5BA) - (uint_least32_t)'a';
			goto conv;
		} else if (UINT32_C(0x1D7E2) <= c && c <= UINT32_C(0x1D7EB)) {
			/* sans-serif (digit) */
			c -= (uint_least32_t)UINT32_C(0x1D7E2) - (uint_least32_t)'0';
			goto conv;

		} else if (UINT32_C(0x1D5D4) <= c && c <= UINT32_C(0x1D5ED)) {
			/* sans-serif bold (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D5D4) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D5EE) <= c && c <= UINT32_C(0x1D607)) {
			/* sans-serif bold (small) */
			c -= (uint_least32_t)UINT32_C(0x1D5EE) - (uint_least32_t)'a';
			goto conv;
		} else if (UINT32_C(0x1D7EC) <= c && c <= UINT32_C(0x1D7F5)) {
			/* sans-serif bold (digit) */
			c -= (uint_least32_t)UINT32_C(0x1D7EC) - (uint_least32_t)'0';
			goto conv;

		} else if (UINT32_C(0x1D608) <= c && c <= UINT32_C(0x1D621)) {
			/* sans-serif italic (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D608) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D622) <= c && c <= UINT32_C(0x1D63B)) {
			/* sans-serif italic (small) */
			c -= (uint_least32_t)UINT32_C(0x1D622) - (uint_least32_t)'a';
			goto conv;

		} else if (UINT32_C(0x1D63C) <= c && c <= UINT32_C(0x1D655)) {
			/* sans-serif bold italic (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D63C) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D656) <= c && c <= UINT32_C(0x1D66F)) {
			/* sans-serif bold italic (small) */
			c -= (uint_least32_t)UINT32_C(0x1D656) - (uint_least32_t)'a';
			goto conv;

		} else if (UINT32_C(0x1D538) <= c && c <= UINT32_C(0x1D551)) {
			/* double-struck (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D538) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D552) <= c && c <= UINT32_C(0x1D56B)) {
			/* double-struck (small) */
			c -= (uint_least32_t)UINT32_C(0x1D552) - (uint_least32_t)'a';
			goto conv;
		} else if (UINT32_C(0x1D7D8) <= c && c <= UINT32_C(0x1D7E1)) {
			/* double-struck (digit) */
			c -= (uint_least32_t)UINT32_C(0x1D7D8) - (uint_least32_t)'0';
			goto conv;

		} else if (UINT32_C(0x1D504) <= c && c <= UINT32_C(0x1D51D)) {
			/* fraktur (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D504) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D51E) <= c && c <= UINT32_C(0x1D537)) {
			/* fraktur (small) */
			c -= (uint_least32_t)UINT32_C(0x1D51E) - (uint_least32_t)'a';
			goto conv;

		} else if (UINT32_C(0x1D56C) <= c && c <= UINT32_C(0x1D585)) {
			/* bold fraktur (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D56C) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D586) <= c && c <= UINT32_C(0x1D59F)) {
			/* bold fraktur (small) */
			c -= (uint_least32_t)UINT32_C(0x1D586) - (uint_least32_t)'a';
			goto conv;

		} else if (UINT32_C(0x1D49C) <= c && c <= UINT32_C(0x1D4B5)) {
			/* script (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D49C) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D4B6) <= c && c <= UINT32_C(0x1D4CF)) {
			/* script (small) */
			c -= (uint_least32_t)UINT32_C(0x1D4B6) - (uint_least32_t)'a';
			goto conv;

		} else if (UINT32_C(0x1D4D0) <= c && c <= UINT32_C(0x1D4E9)) {
			/* bold script (captial) */
			c -= (uint_least32_t)UINT32_C(0x1D4D0) - (uint_least32_t)'A';
			goto conv;
		} else if (UINT32_C(0x1D4EA) <= c && c <= UINT32_C(0x1D503)) {
			/* bold script (small) */
			c -= (uint_least32_t)UINT32_C(0x1D4EA) - (uint_least32_t)'a';
			goto conv;

		} else if (UINT32_C(0x1F110) <= c && c <= UINT32_C(0x1F129)) {
			/* bracketed (parenthesised capital) */
			c -= (uint_least32_t)UINT32_C(0x1F110) - (uint_least32_t)'A';
			c1 = '(';
			c2 = (char)c;
			c3 = ')';
			goto conv3;
		} else if (UINT32_C(0x249C) <= c && c <= UINT32_C(0x24B5)) {
			/* bracketed (parenthesised small) */
			c -= (uint_least32_t)UINT32_C(0x249C) - (uint_least32_t)'a';
			c1 = '(';
			c2 = (char)c;
			c3 = ')';
			goto conv3;
		} else if (UINT32_C(0x2474) <= c && c <= UINT32_C(0x247C)) {
			/* bracketed (parenthesised number) */
			c -= (uint_least32_t)UINT32_C(0x2474) - (uint_least32_t)'1';
			c1 = '(';
			c2 = (char)c;
			c3 = ')';
			goto conv3;
		} else if (UINT32_C(0x247D) <= c && c <= UINT32_C(0x2486)) {
			/* bracketed (parenthesised number) */
			c -= (uint_least32_t)UINT32_C(0x247D) - (uint_least32_t)'0';
			c1 = '(';
			c2 = '1';
			c3 = (char)c;
			c4 = ')';
			goto conv4;
		} else if (c == UINT32_C(0x2487)) {
			/* bracketed (parenthesised number) */
			c1 = '(';
			c2 = '2';
			c3 = '0';
			c4 = ')';
			goto conv4;
		} else if (UINT32_C(0x1F101) <= c && c <= UINT32_C(0x1F10A)) {
			/* bracketed (number comma) */
			c -= (uint_least32_t)UINT32_C(0x1F101) - (uint_least32_t)'0';
			c1 = (char)c;
			c2 = ',';
			goto conv2;
		} else if (c == UINT32_C(0x1F100)) {
			/* bracketed (number full stop) */
			c1 = '0';
			c2 = '.';
			goto conv2;
		} else if (UINT32_C(0x2488) <= c && c <= UINT32_C(0x2490)) {
			/* bracketed (number full stop) */
			c -= (uint_least32_t)UINT32_C(0x2488) - (uint_least32_t)'1';
			c1 = (char)c;
			c2 = '.';
			goto conv2;
		} else if (UINT32_C(0x2491) <= c && c <= UINT32_C(0x249A)) {
			/* bracketed (number full stop) */
			c -= (uint_least32_t)UINT32_C(0x2491) - (uint_least32_t)'0';
			c1 = '1';
			c2 = (char)c;
			c3 = '.';
			goto conv3;
		} else if (c == UINT32_C(0x249B)) {
			/* bracketed (number full stop) */
			c1 = '2';
			c2 = '0';
			c3 = '.';
			goto conv3;

		} else if (UINT32_C(0xFE00) <= c && c <= UINT32_C(0xFE0F)) {
			/* variation selectors */
			num = (unsigned)(c - UINT32_C(0xFE00)) + 1u;
			if (num < 10) {
				c1 = (char)('0' + num);
				goto conv1;
			} else {
				c1 = (char)('0' + num / 10);
				c2 = (char)('0' + num % 10);
				goto conv2;
			}
		} else if (UINT32_C(0xE0100) <= c && c <= UINT32_C(0xE01EF)) {
			/* variation selectors */
			num = (unsigned)(c - UINT32_C(0xE0100)) + 17u;
			if (num < 100) {
				c1 = (char)('0' + num / 10);
				c2 = (char)('0' + num % 10);
				goto conv2;
			} else {
				c1 = (char)('0' + num / 100);
				c2 = (char)('0' + num / 10 % 10);
				c3 = (char)('0' + num % 10);
				goto conv3;
			}

		} else if (UINT32_C(0x2070) <= c && c <= UINT32_C(0x2079)) {
			/* superscript */
			c -= (uint_least32_t)UINT32_C(0x2070) - (uint_least32_t)'0';
			goto conv;
		} else if (UINT32_C(0x00B2) <= c && c <= UINT32_C(0x00B3)) {
			/* superscript */
			c -= (uint_least32_t)UINT32_C(0x00B2) - (uint_least32_t)'2';
			goto conv;
		} else if (c == UINT32_C(0x00B9)) {
			/* superscript */
			c -= (uint_least32_t)UINT32_C(0x00B9) - (uint_least32_t)'1';
			goto conv;

		} else if (UINT32_C(0x2080) <= c && c <= UINT32_C(0x2089)) {
			/* subscript */
			c -= (uint_least32_t)UINT32_C(0x2080) - (uint_least32_t)'0';
			goto conv;

		} else if (UINT32_C(0x10920) <= c && c <= UINT32_C(0x10939)) {
			/* lydian */
			c = (uint_least32_t)"abgdeviyklmnorStufqsTAELNc"[c - UINT32_C(0x10920)];
			goto conv;

		} else if (UINT32_C(0x10280) <= c && c <= UINT32_C(0x1029C)) {
			/* lycian */
			c = (uint_least32_t)"aebBgdiwzDjkqlmnMNupKrstTAEhx"[c - UINT32_C(0x10280)];
			goto conv;

		} else if (UINT32_C(0x1F031) <= c && c <= UINT32_C(0x1F061)) {
			/* domino tiles */
			c1 = (char)(((uint_least32_t)c - UINT32_C(0x1F031)) / 7u + (unsigned)'0');
			c3 = (char)(((uint_least32_t)c - UINT32_C(0x1F031)) % 7u + (unsigned)'0');
			c2 = '|';
			goto conv3;
		} else if (UINT32_C(0x1F063) <= c && c <= UINT32_C(0x1F093)) {
			/* domino tiles */
			c1 = (char)(((uint_least32_t)c - UINT32_C(0x1F063)) / 7u + (unsigned)'0');
			c3 = (char)(((uint_least32_t)c - UINT32_C(0x1F063)) % 7u + (unsigned)'0');
			c2 = '-';
			goto conv3;

		} else if (UINT32_C(0x1F550) <= c && c <= UINT32_C(0x1F567)) {
			/* clock faces */
			c -= UINT32_C(0x1F550);
			c1 = (char)((c + 1u) % 12u / 10u + (uint_least32_t)'0');
			c2 = (char)((c + 1u) % 12u % 10u + (uint_least32_t)'0');
			c3 = ':';
			c4 = c < 12u ? '0' : '3';
			c5 = '0';
			goto conv5;

		} else if (UINT32_C(0x2440) <= c && c <= UINT32_C(0x244A)) {
			/* ocr */
			c = (uint_least32_t)"SdYAIXC/P_\\"[c - UINT32_C(0x2440)];
			goto conv;

		} else if (UINT32_C(0x2800) <= c && c <= UINT32_C(0x28FF)) {
			/* braille */
			if (*n)
				goto no_conv;
			*n += clen;
			i = 0u;
			if ((c & 0x01u) && *ncp > i)
				cp[i++] = '1';
			if ((c & 0x02u) && *ncp > i)
				cp[i++] = '2';
			if ((c & 0x04u) && *ncp > i)
				cp[i++] = '3';
			if ((c & 0x08u) && *ncp > i)
				cp[i++] = '4';
			if ((c & 0x10u) && *ncp > i)
				cp[i++] = '5';
			if ((c & 0x20u) && *ncp > i)
				cp[i++] = '6';
			if ((c & 0x40u) && *ncp > i)
				cp[i++] = '7';
			if ((c & 0x80u) && *ncp > i)
				cp[i++] = '8';
			if (*ncp > i)
				cp[i++] = '0';
			*ncp = i;
			return ret;

		} else if (UINT32_C(0xA4D0) <= c && c <= UINT32_C(0xA4FF)) {
			/* lisu */
			c1 = "bpPdtYgkKjcCzfFmnlsrRVvhGJwxyBaAeEiouULD.,  ;:-="[c - UINT32_C(0xA4D0)];
			if (c1 == ' ')
				goto use_switch;
			goto conv1;

		} else if (UINT32_C(0x2630) <= c && c <= UINT32_C(0x2637)) {
			/* yijing trigrams */
			c1 = (c & 1u) ? '2' : '1';
			c2 = (c & 2u) ? '2' : '1';
			c3 = (c & 4u) ? '2' : '1';
			goto conv3;

		} else if (UINT32_C(0x1D306) <= c && c <= UINT32_C(0x1D356)) {
			/* yijing tetragrams */
			c -= UINT32_C(0x1D306);
			c4 = (char)((c % 3u) + (unsigned)'1');
			c /= 3u;
			c3 = (char)((c % 3u) + (unsigned)'1');
			c /= 3u;
			c2 = (char)((c % 3u) + (unsigned)'1');
			c /= 3u;
			c1 = (char)((c % 3u) + (unsigned)'1');
			goto conv4;

		} else if (UINT32_C(0x4DC0) <= c && c <= UINT32_C(0x4DFF)) {
			/* yijing hexagrams */
			c &= 0xFFu;
			for (i = 0u;; i++)
				if (yijing_hexagrams[i] == (unsigned char)c)
					break;
			c6 = (i &  1u) ? '2' : '1';
			c5 = (i &  2u) ? '2' : '1';
			c4 = (i &  4u) ? '2' : '1';
			c3 = (i &  8u) ? '2' : '1';
			c2 = (i & 16u) ? '2' : '1';
			c1 = (i & 32u) ? '2' : '1';
			goto conv6;

		} else {
		use_switch:
			switch (c) {
			/* shogi */
			case UINT32_C(0x2616): c = (uint_least32_t)'w'; goto conv;
			case UINT32_C(0x2617): c = (uint_least32_t)'b'; goto conv;
			case UINT32_C(0x26C9): c = (uint_least32_t)'W'; goto conv;
			case UINT32_C(0x26CA): c = (uint_least32_t)'B'; goto conv;

			/* go (common) */
			case UINT32_C(0x25CF): c = (uint_least32_t)'b'; goto conv;
			case UINT32_C(0x25CB): c = (uint_least32_t)'w'; goto conv;

			/* go (white) */
			case UINT32_C(0x2686): c = (uint_least32_t)'1'; goto conv;
			case UINT32_C(0x2687): c = (uint_least32_t)'2'; goto conv;

			/* go (black) */
			case UINT32_C(0x2688): c = (uint_least32_t)'1'; goto conv;
			case UINT32_C(0x2689): c = (uint_least32_t)'2'; goto conv;

			/* draughts */
			case UINT32_C(0x26C0): c = (uint_least32_t)'m'; goto conv;
			case UINT32_C(0x26C1): c = (uint_least32_t)'k'; goto conv;
			case UINT32_C(0x26C2): c = (uint_least32_t)'M'; goto conv;
			case UINT32_C(0x26C3): c = (uint_least32_t)'K'; goto conv;

			/* gender symbols */
			case UINT32_C(0x2640): c = (uint_least32_t)'f'; goto conv;
			case UINT32_C(0x2642): c = (uint_least32_t)'m'; goto conv;
			case UINT32_C(0x263F): c = (uint_least32_t)'i'; goto conv;

			/* double-struck */
			case UINT32_C(0x2102): c = (uint_least32_t)'C'; goto conv;
			case UINT32_C(0x210D): c = (uint_least32_t)'H'; goto conv;
			case UINT32_C(0x2115): c = (uint_least32_t)'N'; goto conv;
			case UINT32_C(0x2119): c = (uint_least32_t)'P'; goto conv;
			case UINT32_C(0x211A): c = (uint_least32_t)'Q'; goto conv;
			case UINT32_C(0x211D): c = (uint_least32_t)'R'; goto conv;
			case UINT32_C(0x2124): c = (uint_least32_t)'Z'; goto conv;

			/* double-struck italic */
			case UINT32_C(0x2145): c = (uint_least32_t)'D'; goto conv;
			case UINT32_C(0x2146): c = (uint_least32_t)'d'; goto conv;
			case UINT32_C(0x2147): c = (uint_least32_t)'e'; goto conv;
			case UINT32_C(0x2148): c = (uint_least32_t)'i'; goto conv;
			case UINT32_C(0x2149): c = (uint_least32_t)'j'; goto conv;

			/* fraktur */
			case UINT32_C(0x212D): c = (uint_least32_t)'C'; goto conv;
			case UINT32_C(0x210C): c = (uint_least32_t)'H'; goto conv;
			case UINT32_C(0x2111): c = (uint_least32_t)'I'; goto conv;
			case UINT32_C(0x211C): c = (uint_least32_t)'R'; goto conv;
			case UINT32_C(0x2128): c = (uint_least32_t)'Z'; goto conv;

			/* script */
			case UINT32_C(0x212C): c = (uint_least32_t)'B'; goto conv;
			case UINT32_C(0x2130): c = (uint_least32_t)'E'; goto conv;
			case UINT32_C(0x2131): c = (uint_least32_t)'F'; goto conv;
			case UINT32_C(0x210B): c = (uint_least32_t)'H'; goto conv;
			case UINT32_C(0x2110): c = (uint_least32_t)'I'; goto conv;
			case UINT32_C(0x2112): c = (uint_least32_t)'L'; goto conv;
			case UINT32_C(0x2133): c = (uint_least32_t)'M'; goto conv;
			case UINT32_C(0x211B): c = (uint_least32_t)'R'; goto conv;
			case UINT32_C(0x212F): c = (uint_least32_t)'e'; goto conv;
			case UINT32_C(0x210A): c = (uint_least32_t)'g'; goto conv;
			case UINT32_C(0x2134): c = (uint_least32_t)'o'; goto conv;

			/* buhid */
			case UINT32_C(0x1740): c = (uint_least32_t)'a'; goto conv;
			case UINT32_C(0x1741): c = (uint_least32_t)'i'; goto conv;
			case UINT32_C(0x1742): c = (uint_least32_t)'u'; goto conv;
			case UINT32_C(0x1752): c2 = 'i'; goto budih_combining;
			case UINT32_C(0x1753): c2 = 'u'; goto budih_combining;
			budih_combining:
				c1 = '^';
				goto conv2;
			case UINT32_C(0x174A): c1 = 'b'; goto budih;
			case UINT32_C(0x1747): c1 = 'd'; goto budih;
			case UINT32_C(0x1744): c1 = 'g'; goto budih;
			case UINT32_C(0x1751): c1 = 'h'; goto budih;
			case UINT32_C(0x1743): c1 = 'k'; goto budih;
			case UINT32_C(0x174E): c1 = 'l'; goto budih;
			case UINT32_C(0x174B): c1 = 'm'; goto budih;
			case UINT32_C(0x1748): c1 = 'n'; goto budih;
			case UINT32_C(0x1749): c1 = 'p'; goto budih;
			case UINT32_C(0x174D): c1 = 'r'; goto budih;
			case UINT32_C(0x1750): c1 = 's'; goto budih;
			case UINT32_C(0x1746): c1 = 't'; goto budih;
			case UINT32_C(0x174C): c1 = 'y'; goto budih;
			case UINT32_C(0x174F): c1 = 'w'; goto budih;
			case UINT32_C(0x1745): c1 = '-'; goto budih;
			budih:
				if (*n)
					goto no_conv;
				c2 = 'a';
				s = &s[clen];
				*n += clen;
				if (!slen) {
					ret = LIBCHARCONV_CONVERT_IF_END;
					goto budih_conv;
				}
				clen = libcharconv_decode_utf8_(s, slen, &c);
				if (clen > slen)
					return LIBCHARCONV_INDETERMINATE;
				if (!clen)
					goto budih_conv;
				switch (c) {
				case UINT32_C(0x1752): c2 = 'i'; *n += clen; break;
				case UINT32_C(0x1753): c2 = 'u'; *n += clen; break;
				default:
					break;
				}
			budih_conv:
				if (c1 == '-') {
					c3 = c2;
					c2 = 'g';
					c1 = 'n';
					goto conv3_prechecked;
				}
				goto conv2_prechecked;

			/* replacement */
			case UINT32_C(0xFFFC):
				c1 = 'o';
				c2 = 'b';
				c3 = 'j';
				goto conv3;
			case UINT32_C(0xFFFD):
				c = (uint_least32_t)'?';
				goto conv;

			/* lydian */
			case UINT32_C(0x1093F): c = (uint_least32_t)'"'; goto conv;

			/* domino tiles */
			case UINT32_C(0x1F030): c1 = '#'; c2 = '|'; c3 = '#'; goto conv3;
			case UINT32_C(0x1F062): c1 = '#'; c2 = '-'; c3 = '#'; goto conv3;

			/* ocr (telegraphing) */
			case UINT32_C(0x2BFF): c1 = 'E'; goto conv1;

			/* crop marks */
			case UINT32_C(0x230C): c1 = '|'; c2 = '-'; goto conv2;
			case UINT32_C(0x230D): c1 = '-'; c2 = '|'; goto conv2;
			case UINT32_C(0x230E): c1 = '|'; c2 = '_'; goto conv2;
			case UINT32_C(0x230F): c1 = '_'; c2 = '|'; goto conv2;

			/* lisu */
			case UINT32_C(0xA4FB): c1 = '.'; c2 = ','; goto conv2;
			case UINT32_C(0xA4FA): c1 = '.'; c2 = '.'; goto conv2;
			case UINT32_C(0x11FB0): c1 = 'Y'; goto conv1;

			/* yijing monograms */
			case UINT32_C(0x268A):  c1 = '1'; goto conv1;
			case UINT32_C(0x268B):  c1 = '2'; goto conv1;
			case UINT32_C(0x1D300): c1 = '3'; goto conv1;

			/* yijing digrams */
			case UINT32_C(0x268C):  c1 = '1'; c2 = '1'; goto conv2;
			case UINT32_C(0x268E):  c1 = '1'; c2 = '2'; goto conv2;
			case UINT32_C(0x1D301): c1 = '1'; c2 = '3'; goto conv2;
			case UINT32_C(0x268D):  c1 = '2'; c2 = '1'; goto conv2;
			case UINT32_C(0x268F):  c1 = '2'; c2 = '2'; goto conv2;
			case UINT32_C(0x1D302): c1 = '2'; c2 = '3'; goto conv2;
			case UINT32_C(0x1D303): c1 = '3'; c2 = '1'; goto conv2;
			case UINT32_C(0x1D304): c1 = '3'; c2 = '2'; goto conv2;
			case UINT32_C(0x1D305): c1 = '3'; c2 = '3'; goto conv2;

			default:
			no_match:
				*n += clen;
				s = &s[clen];
				break;
			}
		}
	}
no_conv:
	return LIBCHARCONV_NO_CONVERT;

conv1:
	c = (uint_least32_t)c1;
conv:
	if (*n)
		goto no_conv;
	*n += clen;
	if (*ncp)
		*cp = c;
	*ncp = 1u;
	return ret;

conv2:
	if (*n)
		goto no_conv;
	*n += clen;
conv2_prechecked:
	if (*ncp >= 1u)
		cp[0] = (uint_least32_t)c1;
	if (*ncp >= 2u)
		cp[1] = (uint_least32_t)c2;
	*ncp = 2u;
	return ret;

conv3:
	if (*n)
		goto no_conv;
	*n += clen;
conv3_prechecked:
	if (*ncp >= 1u)
		cp[0] = (uint_least32_t)c1;
	if (*ncp >= 2u)
		cp[1] = (uint_least32_t)c2;
	if (*ncp >= 3u)
		cp[2] = (uint_least32_t)c3;
	*ncp = 3u;
	return ret;

conv4:
	if (*n)
		goto no_conv;
	*n += clen;
	if (*ncp >= 1u)
		cp[0] = (uint_least32_t)c1;
	if (*ncp >= 2u)
		cp[1] = (uint_least32_t)c2;
	if (*ncp >= 3u)
		cp[2] = (uint_least32_t)c3;
	if (*ncp >= 4u)
		cp[3] = (uint_least32_t)c4;
	*ncp = 4u;
	return ret;

conv5:
	if (*n)
		goto no_conv;
	*n += clen;
	if (*ncp >= 1u)
		cp[0] = (uint_least32_t)c1;
	if (*ncp >= 2u)
		cp[1] = (uint_least32_t)c2;
	if (*ncp >= 3u)
		cp[2] = (uint_least32_t)c3;
	if (*ncp >= 4u)
		cp[3] = (uint_least32_t)c4;
	if (*ncp >= 5u)
		cp[4] = (uint_least32_t)c5;
	*ncp = 5u;
	return ret;

conv6:
	if (*n)
		goto no_conv;
	*n += clen;
	if (*ncp >= 1u)
		cp[0] = (uint_least32_t)c1;
	if (*ncp >= 2u)
		cp[1] = (uint_least32_t)c2;
	if (*ncp >= 3u)
		cp[2] = (uint_least32_t)c3;
	if (*ncp >= 4u)
		cp[3] = (uint_least32_t)c4;
	if (*ncp >= 5u)
		cp[4] = (uint_least32_t)c5;
	if (*ncp >= 6u)
		cp[5] = (uint_least32_t)c6;
	*ncp = 6u;
	return ret;
}