diff options
Diffstat (limited to 'libcharconv_flipped.c')
| -rw-r--r-- | libcharconv_flipped.c | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/libcharconv_flipped.c b/libcharconv_flipped.c index fd47f99..f015c99 100644 --- a/libcharconv_flipped.c +++ b/libcharconv_flipped.c @@ -2,6 +2,18 @@ #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 +}; + + static struct { uint_least32_t a; uint_least32_t b; @@ -13,14 +25,17 @@ static struct { {UINT32_C(0xA4E5), (uint_least32_t)'V'}, {UINT32_C(0x1D5B8), UINT32_C(0x2144)}, {UINT32_C(0x230D), UINT32_C(0x230F)}, - {UINT32_C(0x230C), UINT32_C(0x230E)} + {UINT32_C(0x230C), UINT32_C(0x230E)}, + {UINT32_C(0x268E), UINT32_C(0x268D)}, + {UINT32_C(0x1D301), UINT32_C(0x1D303)}, + {UINT32_C(0x1D302), UINT32_C(0x1D304)} }; enum libcharconv_result libcharconv_flipped(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp) { - uint_least32_t c; + uint_least32_t c, x1, x2, x3, x4; size_t i, clen; *n = 0; while (slen) { @@ -42,6 +57,33 @@ libcharconv_flipped(const char *s, size_t slen, size_t *n, uint_least32_t *cp, s c = c % 7u * 7u + c / 7u; c += UINT32_C(0x1F063); goto conv; + } else if (UINT32_C(0x2630) <= c && c <= UINT32_C(0x2637)) { + c = ((c & 1u) << 2) | ((c & 4u) >> 2) | (c & ~5u); + goto conv; + } else if (UINT32_C(0x1D306) <= c && c <= UINT32_C(0x1D356)) { + c -= UINT32_C(0x1D306); + x1 = c / 1u % 3u; + x2 = c / 3u % 3u; + x3 = c / 9u % 3u; + x4 = c / 27u % 3u; + c = UINT32_C(0x1D306); + c += x4 * 1u; + c += x3 * 3u; + c += x2 * 9u; + c += x1 * 27u; + goto conv; + } else if (UINT32_C(0x4DC0) <= c && c <= UINT32_C(0x4DFF)) { + for (i = 0u;; i++) + if ((c & 0xFFu) == yijing_hexagrams[i]) + break; + c = (i & 32u) ? 1u : 0u; + c |= (i & 16u) ? 2u : 0u; + c |= (i & 8u) ? 4u : 0u; + c |= (i & 4u) ? 8u : 0u; + c |= (i & 2u) ? 16u : 0u; + c |= (i & 1u) ? 32u : 0u; + c = UINT32_C(0x4D00) | yijing_hexagrams[c]; + goto conv; } else { for (i = 0u; i < sizeof(pairs) / sizeof(*pairs); i++) { if (c == pairs[i].a) { |