From 9324c85254fbc515528cf9370b4d8564d646f043 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sat, 31 Jan 2026 12:31:10 +0100 Subject: Misc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libcharconv_mahjong_tiles.c | 131 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 libcharconv_mahjong_tiles.c (limited to 'libcharconv_mahjong_tiles.c') diff --git a/libcharconv_mahjong_tiles.c b/libcharconv_mahjong_tiles.c new file mode 100644 index 0000000..7bc60ba --- /dev/null +++ b/libcharconv_mahjong_tiles.c @@ -0,0 +1,131 @@ +/* See LICENSE file for copyright and license details. */ +#include "lib-common.h" + + +enum libcharconv_result +libcharconv_mahjong_tiles(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp) +{ + uint_least32_t c; + *n = 0; + for (; slen--; s++, ++*n) { + PLAIN_CASE_SELECT("pobc", 0x1F022); + PLAIN_CASE_SELECT("j#", 0x1F02A); + if (tolower(s[0]) == 'e') { + if (!slen) + goto indeterminate; + if (tolower(s[1]) == 'w') { + c = UINT32_C(0x1F000); + goto conv2; + } + goto no_conv; + } + if (tolower(s[0]) == 's') { + if (!slen) + goto indeterminate; + if (tolower(s[1]) == 'w') { + c = UINT32_C(0x1F001); + goto conv2; + } else if (tolower(s[1]) == 'p') { + c = UINT32_C(0x1F026); + goto conv2; + } else if (tolower(s[1]) == 'u') { + c = UINT32_C(0x1F027); + goto conv2; + } + goto no_conv; + } + if (tolower(s[0]) == 'w') { + if (!slen) + goto indeterminate; + if (tolower(s[1]) == 'w') { + c = UINT32_C(0x1F002); + goto conv2; + } else if (tolower(s[1]) == 'd') { + c = UINT32_C(0x1F006); + goto conv2; + } else if (tolower(s[1]) == 'i') { + c = UINT32_C(0x1F029); + goto conv2; + } + goto no_conv; + } + if (tolower(s[0]) == 'n') { + if (!slen) + goto indeterminate; + if (tolower(s[1]) == 'w') { + c = UINT32_C(0x1F003); + goto conv2; + } + goto no_conv; + } + if (tolower(s[0]) == 'r') { + if (!slen) + goto indeterminate; + if (tolower(s[1]) == 'd') { + c = UINT32_C(0x1F004); + goto conv2; + } + goto no_conv; + } + if (tolower(s[0]) == 'g') { + if (!slen) + goto indeterminate; + if (tolower(s[1]) == 'd') { + c = UINT32_C(0x1F005); + goto conv2; + } + goto no_conv; + } + if (tolower(s[0]) == 'a') { + if (!slen) + goto indeterminate; + if (tolower(s[1]) == 'u') { + c = UINT32_C(0x1F028); + goto conv2; + } + goto no_conv; + } + if ('1' <= s[0] && s[0] <= '9') { + if (!slen) + goto indeterminate; + if (tolower(s[1]) == 'c') + c = UINT32_C(0x1F007); + else if (tolower(s[1]) == 'b') + c = UINT32_C(0x1F010); + else if (tolower(s[1]) == 'o') + c = UINT32_C(0x1F019); + else + goto no_conv; + c += (uint_least32_t)(s[0] - '1'); + goto conv2; + } + } + return LIBCHARCONV_NO_CONVERT; + +no_conv: + *n += 1u; + return LIBCHARCONV_NO_CONVERT; + +indeterminate: + if (*n) + goto no_conv; + return LIBCHARCONV_INDETERMINATE; + +conv: + if (*n) + goto no_conv; + if (*ncp) + *cp = c; + *n += 1u; + *ncp = 1u; + return LIBCHARCONV_CONVERTED; + +conv2: + if (*n) + goto no_conv; + if (*ncp) + *cp = c; + *n += 2u; + *ncp = 1u; + return LIBCHARCONV_CONVERTED; +} -- cgit v1.2.3-70-g09d2