From fd2c859d99d48d76139105f0485d8da967c62435 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Mon, 26 Jan 2026 16:09:23 +0100 Subject: Add flipping and turning for yijing n-grams, and add invisible MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libcharconv_invisible.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 libcharconv_invisible.c (limited to 'libcharconv_invisible.c') diff --git a/libcharconv_invisible.c b/libcharconv_invisible.c new file mode 100644 index 0000000..a3bda95 --- /dev/null +++ b/libcharconv_invisible.c @@ -0,0 +1,32 @@ +/* See LICENSE file for copyright and license details. */ +#include "lib-common.h" + + +enum libcharconv_result +libcharconv_invisible(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++) { + switch (*s) { + case '(': c = UINT32_C(0x2061); goto conv; + case '*': c = UINT32_C(0x2062); goto conv; + case '|': c = UINT32_C(0x2063); goto conv; + case '+': c = UINT32_C(0x2064); goto conv; + default: + *n += 1u; + break; + } + } +no_conv: + return LIBCHARCONV_NO_CONVERT; + +conv: + if (*n) + goto no_conv; + if (*ncp) + *cp = c; + *n += 1u; + *ncp = 1u; + return LIBCHARCONV_CONVERTED; +} -- cgit v1.2.3-70-g09d2