diff options
Diffstat (limited to 'libcharconv_sans_serif.c')
| -rw-r--r-- | libcharconv_sans_serif.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libcharconv_sans_serif.c b/libcharconv_sans_serif.c index 152ce0c..787d14b 100644 --- a/libcharconv_sans_serif.c +++ b/libcharconv_sans_serif.c @@ -6,8 +6,10 @@ enum libcharconv_result libcharconv_sans_serif(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp) { uint_least32_t c; + size_t old_slen; *n = 0; for (; slen--; s++) { + old_slen = slen; if ('A' <= *s && *s <= 'Z') { c = (uint_least32_t)(UINT32_C(0x1D5A0) + (unsigned)(*s - 'A')); goto conv; @@ -17,13 +19,54 @@ libcharconv_sans_serif(const char *s, size_t slen, size_t *n, uint_least32_t *cp } else if ('0' <= *s && *s <= '9') { c = (uint_least32_t)(UINT32_C(0x1D7E2) + (unsigned)(*s - '0')); goto conv; + } else if ((unsigned char)s[0] == 0xE2u) { + if (!slen--) + goto indeterminate; + if ((unsigned char)s[1] == 0x93u) { + if (!slen--) + goto indeterminate; + if ((unsigned char)s[2] == 0xAAu) + c = (uint_least32_t)UINT32_C(0x1F10B); + else if ((unsigned char)s[2] == 0xBFu) + c = (uint_least32_t)UINT32_C(0x1F10C); + else + goto no_match; + goto conv3; + } else if ((unsigned char)s[1] == 0x91u) { + if (!slen--) + goto indeterminate; + if (0xA0u <= (unsigned char)s[2] && (unsigned char)s[2] <= 0xA9u) + c = (uint_least32_t)UINT32_C(0x2780); + else + goto no_match; + c += (unsigned char)s[2] - 0xA0u; + goto conv3; + } else if ((unsigned char)s[1] == 0x9Du) { + if (!slen--) + goto indeterminate; + if (!slen--) + goto indeterminate; + if (0xB6u <= (unsigned char)s[2] && (unsigned char)s[2] <= 0xBFu) + c = (uint_least32_t)UINT32_C(0x278A); + else + goto no_match; + c += (unsigned char)s[2] - 0xB6u; + goto conv3; + } else { + goto no_match; + } } else { + no_match: + slen = old_slen; *n += 1u; } } no_conv: return LIBCHARCONV_NO_CONVERT; +indeterminate: + return LIBCHARCONV_INDETERMINATE; + conv: if (*n) goto no_conv; @@ -32,4 +75,13 @@ conv: *n += 1u; *ncp = 1u; return LIBCHARCONV_CONVERTED; + +conv3: + if (*n) + goto no_conv; + if (*ncp) + *cp = c; + *n += 3u; + *ncp = 1u; + return LIBCHARCONV_CONVERTED; } |