diff options
Diffstat (limited to '')
| -rw-r--r-- | libcharconv_ocr.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libcharconv_ocr.c b/libcharconv_ocr.c new file mode 100644 index 0000000..a849952 --- /dev/null +++ b/libcharconv_ocr.c @@ -0,0 +1,45 @@ +/* See LICENSE file for copyright and license details. */ +#include "lib-common.h" + + +enum libcharconv_result +libcharconv_ocr(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 's': + case 'S': c = UINT32_C(0x2440); goto conv; + case 'h': + case 'd': c = UINT32_C(0x2441); goto conv; + case 'Y': c = UINT32_C(0x2442); goto conv; + case 'A': c = UINT32_C(0x2443); goto conv; + case 'I': c = UINT32_C(0x2444); goto conv; + case 'x': + case 'X': c = UINT32_C(0x2445); goto conv; + case '\\': c = UINT32_C(0x244A); goto conv; + case 'c': + case 'C': c = UINT32_C(0x2446); goto conv; + case '/': c = UINT32_C(0x2447); goto conv; + case 'p': + case 'P': c = UINT32_C(0x2448); goto conv; + case '_': c = UINT32_C(0x2449); goto conv; + case 'E': c = UINT32_C(0x2BFF); 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; +} |