diff options
Diffstat (limited to '')
| -rw-r--r-- | libcharconv_rotated_90deg_cw.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/libcharconv_rotated_90deg_cw.c b/libcharconv_rotated_90deg_cw.c new file mode 100644 index 0000000..68cf9b7 --- /dev/null +++ b/libcharconv_rotated_90deg_cw.c @@ -0,0 +1,144 @@ +/* See LICENSE file for copyright and license details. */ +#include "lib-common.h" + + +static struct { + uint_least32_t from; + uint_least32_t to; +} pairs[] = { + {UINT32_C(0x1FA04), UINT32_C(0x1FA19)}, + {UINT32_C(0x1FA19), UINT32_C(0x1FA2E)}, + {UINT32_C(0x1FA2E), UINT32_C(0x1FA43)}, + {UINT32_C(0x1FA43), UINT32_C(0x1FA04)}, + {UINT32_C(0x02658), UINT32_C(0x1FA0D)}, + {UINT32_C(0x1FA0D), UINT32_C(0x1FA22)}, + {UINT32_C(0x1FA22), UINT32_C(0x1FA37)}, + {UINT32_C(0x1FA37), UINT32_C(0x02658)}, + {UINT32_C(0x0265E), UINT32_C(0x1FA13)}, + {UINT32_C(0x1FA13), UINT32_C(0x1FA28)}, + {UINT32_C(0x1FA28), UINT32_C(0x1FA3D)}, + {UINT32_C(0x1FA3D), UINT32_C(0x0265E)}, + {UINT32_C(0x1FA08), UINT32_C(0x1FA1D)}, + {UINT32_C(0x1FA1D), UINT32_C(0x1FA32)}, + {UINT32_C(0x1FA32), UINT32_C(0x1FA47)}, + {UINT32_C(0x1FA47), UINT32_C(0x1FA08)}, + {UINT32_C(0x1FA06), UINT32_C(0x1FA1B)}, + {UINT32_C(0x1FA1B), UINT32_C(0x1FA30)}, + {UINT32_C(0x1FA30), UINT32_C(0x1FA45)}, + {UINT32_C(0x1FA45), UINT32_C(0x1FA06)}, + {UINT32_C(0x1FA07), UINT32_C(0x1FA1C)}, + {UINT32_C(0x1FA1C), UINT32_C(0x1FA31)}, + {UINT32_C(0x1FA31), UINT32_C(0x1FA46)}, + {UINT32_C(0x1FA46), UINT32_C(0x1FA07)}, + {UINT32_C(0x1FA48), UINT32_C(0x1FA4B)}, + {UINT32_C(0x1FA49), UINT32_C(0x1FA4C)}, + {UINT32_C(0x1FA4A), UINT32_C(0x1FA4D)}, + {UINT32_C(0x1FA4B), UINT32_C(0x1FA48)}, + {UINT32_C(0x1FA4C), UINT32_C(0x1FA49)}, + {UINT32_C(0x1FA4D), UINT32_C(0x1FA4A)}, + {UINT32_C(0x1FA00), UINT32_C(0x1FA15)}, + {UINT32_C(0x1FA15), UINT32_C(0x1FA2A)}, + {UINT32_C(0x1FA2A), UINT32_C(0x1FA3F)}, + {UINT32_C(0x1FA3F), UINT32_C(0x1FA00)}, + {UINT32_C(0x1FA01), UINT32_C(0x1FA16)}, + {UINT32_C(0x1FA16), UINT32_C(0x1FA2B)}, + {UINT32_C(0x1FA2B), UINT32_C(0x1FA40)}, + {UINT32_C(0x1FA40), UINT32_C(0x1FA01)}, + {UINT32_C(0x1FA02), UINT32_C(0x1FA17)}, + {UINT32_C(0x1FA17), UINT32_C(0x1FA2C)}, + {UINT32_C(0x1FA2C), UINT32_C(0x1FA41)}, + {UINT32_C(0x1FA41), UINT32_C(0x1FA02)}, + {UINT32_C(0x1FA03), UINT32_C(0x1FA18)}, + {UINT32_C(0x1FA18), UINT32_C(0x1FA2D)}, + {UINT32_C(0x1FA2D), UINT32_C(0x1FA42)}, + {UINT32_C(0x1FA42), UINT32_C(0x1FA03)}, + {UINT32_C(0x1FA05), UINT32_C(0x1FA1A)}, + {UINT32_C(0x1FA1A), UINT32_C(0x1FA2F)}, + {UINT32_C(0x1FA2F), UINT32_C(0x1FA44)}, + {UINT32_C(0x1FA44), UINT32_C(0x1FA05)}, + {UINT32_C(0x2654), UINT32_C(0x1FA09)}, + {UINT32_C(0x1FA09), UINT32_C(0x1FA1E)}, + {UINT32_C(0x1FA1E), UINT32_C(0x1FA33)}, + {UINT32_C(0x1FA33), UINT32_C(0x2654)}, + {UINT32_C(0x2655), UINT32_C(0x1FA0A)}, + {UINT32_C(0x1FA0A), UINT32_C(0x1FA1F)}, + {UINT32_C(0x1FA1F), UINT32_C(0x1FA34)}, + {UINT32_C(0x1FA34), UINT32_C(0x2655)}, + {UINT32_C(0x2656), UINT32_C(0x1FA0B)}, + {UINT32_C(0x1FA0B), UINT32_C(0x1FA20)}, + {UINT32_C(0x1FA20), UINT32_C(0x1FA35)}, + {UINT32_C(0x1FA35), UINT32_C(0x2656)}, + {UINT32_C(0x2657), UINT32_C(0x1FA0C)}, + {UINT32_C(0x1FA0C), UINT32_C(0x1FA21)}, + {UINT32_C(0x1FA21), UINT32_C(0x1FA36)}, + {UINT32_C(0x1FA36), UINT32_C(0x2657)}, + {UINT32_C(0x2659), UINT32_C(0x1FA0E)}, + {UINT32_C(0x1FA0E), UINT32_C(0x1FA23)}, + {UINT32_C(0x1FA23), UINT32_C(0x1FA38)}, + {UINT32_C(0x1FA38), UINT32_C(0x2659)}, + {UINT32_C(0x265A), UINT32_C(0x1FA0F)}, + {UINT32_C(0x1FA0F), UINT32_C(0x1FA24)}, + {UINT32_C(0x1FA24), UINT32_C(0x1FA39)}, + {UINT32_C(0x1FA39), UINT32_C(0x265A)}, + {UINT32_C(0x265B), UINT32_C(0x1FA10)}, + {UINT32_C(0x1FA10), UINT32_C(0x1FA25)}, + {UINT32_C(0x1FA25), UINT32_C(0x1FA3A)}, + {UINT32_C(0x1FA3A), UINT32_C(0x265B)}, + {UINT32_C(0x265C), UINT32_C(0x1FA11)}, + {UINT32_C(0x1FA11), UINT32_C(0x1FA26)}, + {UINT32_C(0x1FA26), UINT32_C(0x1FA3B)}, + {UINT32_C(0x1FA3B), UINT32_C(0x265C)}, + {UINT32_C(0x265D), UINT32_C(0x1FA12)}, + {UINT32_C(0x1FA12), UINT32_C(0x1FA27)}, + {UINT32_C(0x1FA27), UINT32_C(0x1FA3C)}, + {UINT32_C(0x1FA3C), UINT32_C(0x265D)}, + {UINT32_C(0x265F), UINT32_C(0x1FA14)}, + {UINT32_C(0x1FA14), UINT32_C(0x1FA29)}, + {UINT32_C(0x1FA29), UINT32_C(0x1FA3E)}, + {UINT32_C(0x1FA3E), UINT32_C(0x265F)} +}; + + +enum libcharconv_result +libcharconv_rotated_90deg_cw(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp) +{ + uint_least32_t c; + size_t i, clen; + *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; + } + + for (i = 0u; i < sizeof(pairs) / sizeof(*pairs); i++) { + if (c == pairs[i].from) { + c = pairs[i].to; + goto conv; + } + } + + *n += clen; + s = &s[clen]; + slen -= clen; + } +no_conv: + return LIBCHARCONV_NO_CONVERT; + +conv: + if (*n) + goto no_conv; + if (*ncp) + *cp = c; + *n += clen; + *ncp = 1u; + return LIBCHARCONV_CONVERTED; +} |