diff options
Diffstat (limited to '')
| -rw-r--r-- | Makefile | 6 | ||||
| -rw-r--r-- | convert-to-ocr.c | 18 | ||||
| -rw-r--r-- | libcharconv.h | 44 | ||||
| -rw-r--r-- | libcharconv_latin.c | 8 | ||||
| -rw-r--r-- | libcharconv_ocr.c | 45 |
5 files changed, 119 insertions, 2 deletions
@@ -50,7 +50,8 @@ BIN =\ convert-to-lydian\ convert-to-lycian\ convert-to-domino-tiles\ - convert-to-clock-faces + convert-to-clock-faces\ + convert-to-ocr LIBOBJ =\ libcharconv_decode_utf8_.o\ @@ -89,7 +90,8 @@ LIBOBJ =\ libcharconv_lycian.o\ libcharconv_domino_tiles_horizontal.o\ libcharconv_domino_tiles_vertical.o\ - libcharconv_clock_faces.o + libcharconv_clock_faces.o\ + libcharconv_ocr.o LOBJ = $(LIBOBJ:.o=.lo) diff --git a/convert-to-ocr.c b/convert-to-ocr.c new file mode 100644 index 0000000..c0cfab0 --- /dev/null +++ b/convert-to-ocr.c @@ -0,0 +1,18 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + +USAGE(""); + + +int +main(int argc, char *argv[]) +{ + ARGBEGIN { + default: + usage(); + } ARGEND; + if (argc) + usage(); + + return convert(&libcharconv_ocr); +} diff --git a/libcharconv.h b/libcharconv.h index b1d6599..f8d15c1 100644 --- a/libcharconv.h +++ b/libcharconv.h @@ -1202,4 +1202,48 @@ enum libcharconv_result libcharconv_domino_tiles_vertical(const char *s, size_t enum libcharconv_result libcharconv_clock_faces(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp); +/** + * Convert + * 'S' and 's' to OCR HOOK, + * 'd' and 'h' to OCR CHAIR, + * 'Y' to OCR FORK, + * 'A' to OCR INVERTED FORK, + * 'I' to OCR BELT BUCKLE, + * 'X' and 'x' to OCR BOW TIE, + * '\' to OCR DOUBLE BACKSLASH, + * 'C' and 'c' to OCR BRANCH BANK IDENTIFICATION, + * '/' to OCR AMOUNT OF CHECK, + * 'P' and 'p' to OCR DASH, + * '_' to OCR CUSTOMER ACCOUNT NUMBER, and + * 'E' to HELLSCHREIBER PAUSE SYMBOL + * + * @param s Text to convert + * @param slen The number of bytes available in `s` + * @param n Output parameter for the number of consumed bytes + * @param cp Output buffer for the codepoints + * @param ncp Input parameter for the number of codepoints that + * fit in `cp`, and output parameter for the number + * of output codepoints (if it exceeds the original + * value of `ncp`, a larger buffer is needed) + * @return LIBCHARCONV_NO_CONVERT: + * `*n` is the number of bytes from the beginning + * of `s` that cannot be converted + * LIBCHARCONV_CONVERTED: + * `*n` is the number of bytes from the beginning + * of `s` that was converted to a codepoint which + * is stored in `*cp` + * LIBCHARCONV_INDETERMINATE: + * If all text has been input, no more can be + * converted, otherwise more of the text most + * be made available before the function can + * determine whether the beginning of `s` can be + * converted or what it should be converted to + * LIBCHARCONV_CONVERT_IF_END: + * As LIBCHARCONV_CONVERTED the entire text has + * been input, as LIBCHARCONV_INDETERMINATE + * otherwise + */ +enum libcharconv_result libcharconv_ocr(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp); + + #endif diff --git a/libcharconv_latin.c b/libcharconv_latin.c index 5179388..68bdd7d 100644 --- a/libcharconv_latin.c +++ b/libcharconv_latin.c @@ -350,6 +350,11 @@ libcharconv_latin(const char *s, size_t slen, size_t *n, uint_least32_t *cp, siz c5 = '0'; goto conv5; + } else if (UINT32_C(0x2440) <= c && c <= UINT32_C(0x244A)) { + /* ocr */ + c = (uint_least32_t)"SdYAIXC/P_\\"[c - UINT32_C(0x2440)]; + goto conv; + } else { switch (c) { /* shogi */ @@ -488,6 +493,9 @@ libcharconv_latin(const char *s, size_t slen, size_t *n, uint_least32_t *cp, siz case UINT32_C(0x1F030): c1 = '#'; c2 = '|'; c3 = '#'; goto conv3; case UINT32_C(0x1F062): c1 = '#'; c2 = '-'; c3 = '#'; goto conv3; + /* ocr (telegraphing) */ + case UINT32_C(0x2BFF): c1 = 'E'; goto conv1; + default: no_match: *n += clen; 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; +} |