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authorMattias Andrée <m@maandree.se>2026-01-26 20:59:14 +0100
committerMattias Andrée <m@maandree.se>2026-01-26 20:59:14 +0100
commit48870de574bc6712a07ccb519459bf933336d3e1 (patch)
tree79ba9c2eeb407c98910b6ccd0c2a50ad9912595e
parentAdd counting rods (diff)
downloadcharconv-48870de574bc6712a07ccb519459bf933336d3e1.tar.gz
charconv-48870de574bc6712a07ccb519459bf933336d3e1.tar.bz2
charconv-48870de574bc6712a07ccb519459bf933336d3e1.tar.xz
Add mayan
Signed-off-by: Mattias Andrée <m@maandree.se>
-rw-r--r--Makefile6
-rw-r--r--convert-to-mayan.c4
-rw-r--r--libcharconv.h5
-rw-r--r--libcharconv_latin.c11
-rw-r--r--libcharconv_mayan.c57
5 files changed, 81 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 20bd984..7e053f4 100644
--- a/Makefile
+++ b/Makefile
@@ -86,7 +86,8 @@ BIN =\
convert-to-dentistry\
convert-to-cards\
convert-to-stacked\
- convert-to-counting-rods
+ convert-to-counting-rods\
+ convert-to-mayan
LIBOBJ =\
libcharconv_decode_utf8_.o\
@@ -165,7 +166,8 @@ LIBOBJ =\
libcharconv_dentistry.o\
libcharconv_cards.o\
libcharconv_stacked.o\
- libcharconv_counting_rods.o
+ libcharconv_counting_rods.o\
+ libcharconv_mayan.o
LOBJ = $(LIBOBJ:.o=.lo)
diff --git a/convert-to-mayan.c b/convert-to-mayan.c
new file mode 100644
index 0000000..b27c519
--- /dev/null
+++ b/convert-to-mayan.c
@@ -0,0 +1,4 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+SIMPLE(libcharconv_mayan)
diff --git a/libcharconv.h b/libcharconv.h
index 93471ac..2fc6a3e 100644
--- a/libcharconv.h
+++ b/libcharconv.h
@@ -506,6 +506,11 @@ LIBCHARCONV_FUNC_(libcharconv_stacked);
*/
LIBCHARCONV_FUNC_(libcharconv_counting_rods);
+/**
+ * Convert DIGITs to MAYAN NUMERALs
+ */
+LIBCHARCONV_FUNC_(libcharconv_mayan);
+
#undef LIBCHARCONV_FUNC_
#endif
diff --git a/libcharconv_latin.c b/libcharconv_latin.c
index 5e050f0..acb002c 100644
--- a/libcharconv_latin.c
+++ b/libcharconv_latin.c
@@ -616,6 +616,17 @@ libcharconv_latin(const char *s, size_t slen, size_t *n, uint_least32_t *cp, siz
c2 = '0';
goto conv2;
+ } else if (UINT32_C(0x1D2E0) <= c && c <= UINT32_C(0x1D2E9)) {
+ /* mayan */
+ c -= (uint_least32_t)UINT32_C(0x1D2E0) - (uint_least32_t)'0';
+ goto conv;
+ } else if (UINT32_C(0x1D2EA) <= c && c <= UINT32_C(0x1D2F3)) {
+ /* mayan */
+ c -= (uint_least32_t)UINT32_C(0x1D2EA) - (uint_least32_t)'0';
+ c1 = '1';
+ c2 = (char)c;
+ goto conv2;
+
} else {
use_switch:
switch (c) {
diff --git a/libcharconv_mayan.c b/libcharconv_mayan.c
new file mode 100644
index 0000000..48bf037
--- /dev/null
+++ b/libcharconv_mayan.c
@@ -0,0 +1,57 @@
+/* See LICENSE file for copyright and license details. */
+#include "lib-common.h"
+
+
+enum libcharconv_result
+libcharconv_mayan(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++) {
+ if (*s == '1') {
+ if (!slen) {
+ c = UINT32_C(0x1D2E0) + (unsigned)(*s - '0');
+ goto conv_if_end;
+ }
+ if ('0' > s[1] || s[1] > '9')
+ goto one;
+ c = UINT32_C(0x1D2E0) + (unsigned)(s[0] - '0') * 10u + (unsigned)(s[1] - '0');
+ goto conv2;
+ } else if ('0' <= *s && *s <= '9') {
+ one:
+ c = UINT32_C(0x1D2E0) + (unsigned)(*s - '0');
+ goto conv1;
+ } else {
+ *n += 1u;
+ }
+ }
+no_conv:
+ return LIBCHARCONV_NO_CONVERT;
+
+conv_if_end:
+ if (*n)
+ goto no_conv;
+ if (*ncp)
+ *cp = c;
+ *n += 1u;
+ *ncp = 1u;
+ return LIBCHARCONV_CONVERT_IF_END;
+
+conv1:
+ 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;
+}