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/* See LICENSE file for copyright and license details. */
#include "lib-common.h"
enum libcharconv_result
libcharconv_marchen(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp)
{
static const char *const letters = "kKgGcCjYtTdnpPbmxXDwZz-yrlSsh";
uint_least32_t c, c2, c3;
size_t i;
*n = 0;
for (; slen--; s++) {
PLAIN_SELECT(letters, 0x11C72);
switch (s[0]) {
case 'a': c = UINT32_C(0x11C8F); goto conv1_subjoinable;
case 'A': c = UINT32_C(0x11CB0); goto conv_vowel;
case 'i': c = UINT32_C(0x11CB1); goto conv_vowel;
case 'u': c = UINT32_C(0x11CB2); goto conv_vowel;
case 'e': c = UINT32_C(0x11CB3); goto conv_vowel;
case 'o': c = UINT32_C(0x11CB4); goto conv_vowel;
case '\'': c = UINT32_C(0x11CB5); goto conv1;
case '\"': c = UINT32_C(0x11CB6); goto conv1;
case '.': c = UINT32_C(0x11C70); goto conv1;
case ':': c = UINT32_C(0x11C71); goto conv1;
case '^':
if (!slen)
return LIBCHARCONV_INDETERMINATE;
switch (s[1]) {
case 'A': c = UINT32_C(0x11CB0); goto conv2;
case 'i': c = UINT32_C(0x11CB1); goto conv2;
case 'u': c = UINT32_C(0x11CB2); goto conv2;
case 'e': c = UINT32_C(0x11CB3); goto conv2;
case 'o': c = UINT32_C(0x11CB4); goto conv2;
default:
goto no_match;
}
case '_':
if (*n)
goto no_conv;
*n += 1u;
break;
default:
no_match:
*n += 1u;
break;
}
}
no_conv:
return LIBCHARCONV_NO_CONVERT;
conv:
if (*n == 1u && s[-1] == '_' && c != UINT32_C(0x11C88)) {
c += 0x20u;
goto conv1_prechecked;
}
if (*n)
goto no_conv;
if (!slen)
return LIBCHARCONV_INDETERMINATE;
for (i = 0u; letters[i]; i++)
if (letters[i] == s[1])
break;
c3 = (letters[i] && letters[i] != '-') ? (uint_least32_t)(UINT32_C(0x11C92) + i) : 0u;
if (c3 && slen == 1u)
return LIBCHARCONV_INDETERMINATE;
switch (s[c3 ? 2 : 1]) {
case 'a':
if (c3)
goto conv3_prechecked;
else
goto conv2_prechecked;
case 'A': c2 = UINT32_C(0x11CB0); break;
case 'i': c2 = UINT32_C(0x11CB1); break;
case 'u': c2 = UINT32_C(0x11CB2); break;
case 'e': c2 = UINT32_C(0x11CB3); break;
case 'o': c2 = UINT32_C(0x11CB4); break;
default:
goto no_match;
}
if (*ncp >= 1u)
cp[0] = c;
if (*ncp >= 2u)
cp[1] = c2;
if (c3 && *ncp >= 3u)
cp[2] = c3;
*n += c3 ? 3u : 2u;
*ncp = c3 ? 3u : 2u;
return LIBCHARCONV_CONVERTED;
conv1_subjoinable:
if (*n == 1u && s[-1] == '_') {
c += 0x20u;
} else {
conv1:
if (*n)
goto no_conv;
}
conv1_prechecked:
if (*ncp)
*cp = c;
*n += 1u;
*ncp = 1u;
return LIBCHARCONV_CONVERTED;
conv2:
if (*n)
goto no_conv;
conv2_prechecked:
if (*ncp)
cp[0] = c;
*n += 2u;
*ncp = 1u;
return LIBCHARCONV_CONVERTED;
conv_vowel:
if (*n)
goto no_conv;
if (*ncp >= 1u)
cp[0] = UINT32_C(0x11C8F) + (s[-1] == '_' ? 0x20u : 0u);
if (*ncp >= 2u)
cp[1] = c;
*n += 1u;
*ncp = 2u;
return LIBCHARCONV_CONVERTED;
conv3_prechecked:
if (*ncp >= 1u)
cp[0] = c;
if (*ncp >= 2u)
cp[1] = c3;
*n += 3u;
*ncp = 2u;
return LIBCHARCONV_CONVERTED;
}
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