tabs and tab overview

char32.h

@@ -0,0 +1,115 @@
+#pragma once
+
+#include <stdbool.h>
+#include <uchar.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include <string.h>
+#include <wchar.h>
+#include <wctype.h>
+
+#if defined(FOOT_GRAPHEME_CLUSTERING)
+ #include <utf8proc.h>
+#endif
+
+static inline size_t c32len(const char32_t *s) {
+    return wcslen((const wchar_t *)s);
+}
+
+static inline int c32cmp(const char32_t *s1, const char32_t *s2) {
+    return wcscmp((const wchar_t *)s1, (const wchar_t *)s2);
+}
+
+static inline int c32ncmp(const char32_t *s1, const char32_t *s2, size_t n) {
+    return wcsncmp((const wchar_t *)s1, (const wchar_t *)s2, n);
+}
+
+static inline char32_t *c32ncpy(char32_t *dst, const char32_t *src, size_t n) {
+    return (char32_t *)wcsncpy((wchar_t *)dst, (const wchar_t *)src, n);
+}
+
+static inline char32_t *c32cpy(char32_t *dst, const char32_t *src) {
+    return (char32_t *)wcscpy((wchar_t *)dst, (const wchar_t *)src);
+}
+
+static inline char32_t *c32ncat(char32_t *dst, const char32_t *src, size_t n) {
+    return (char32_t *)wcsncat((wchar_t *)dst, (const wchar_t *)src, n);
+}
+
+static inline char32_t *c32cat(char32_t *dst, const char32_t *src) {
+    return (char32_t *)wcscat((wchar_t *)dst, (const wchar_t *)src);
+}
+
+static inline char32_t *c32dup(const char32_t *s) {
+    return (char32_t *)wcsdup((const wchar_t *)s);
+}
+
+static inline char32_t *c32chr(const char32_t *s, char32_t c) {
+    return (char32_t *)wcschr((const wchar_t *)s, c);
+}
+
+static inline int c32casecmp(const char32_t *s1, const char32_t *s2) {
+    return wcscasecmp((const wchar_t *)s1, (const wchar_t *)s2);
+}
+
+static inline int c32ncasecmp(const char32_t *s1, const char32_t *s2, size_t n) {
+    return wcsncasecmp((const wchar_t *)s1, (const wchar_t *)s2, n);
+}
+
+static inline char32_t toc32lower(char32_t c) {
+    return (char32_t)towlower((wint_t)c);
+}
+
+static inline char32_t toc32upper(char32_t c) {
+    return (char32_t)towupper((wint_t)c);
+}
+
+static inline bool isc32upper(char32_t c32) {
+    return iswupper((wint_t)c32);
+}
+
+static inline bool isc32space(char32_t c32) {
+    return iswspace((wint_t)c32);
+}
+
+static inline bool isc32print(char32_t c32) {
+    return iswprint((wint_t)c32);
+}
+
+static inline bool isc32graph(char32_t c32) {
+    return iswgraph((wint_t)c32);
+}
+
+static inline bool hasc32upper(const char32_t *s) {
+    for (int i = 0; s[i] != '\0'; i++) {
+        if (isc32upper(s[i])) return true;
+    }
+    return false;
+}
+
+static inline int c32width(char32_t c) {
+#if defined(FOOT_GRAPHEME_CLUSTERING)
+    return utf8proc_charwidth((utf8proc_int32_t)c);
+#else
+    return wcwidth((wchar_t)c);
+#endif
+}
+
+static inline int c32swidth(const char32_t *s, size_t n) {
+#if defined(FOOT_GRAPHEME_CLUSTERING)
+    int width = 0;
+    for (size_t i = 0; i < n; i++)
+        width += utf8proc_charwidth((utf8proc_int32_t)s[i]);
+    return width;
+#else
+    return wcswidth((const wchar_t *)s, n);
+#endif
+}
+
+size_t mbsntoc32(char32_t *dst, const char *src, size_t nms, size_t len);
+char32_t *ambstoc32(const char *src);
+char *ac32tombs(const char32_t *src);
+
+static inline size_t mbstoc32(char32_t *dst, const char *src, size_t len) {
+    return mbsntoc32(dst, src, strlen(src) + 1, len);
+}