.

win/str_win32.c

@@ -0,0 +1,81 @@
+#include "../str.h"
+#include "../arena.h"
+
+#include <windows.h>
+
+#if COLLA_TCC
+#include "../tcc/colla_tcc.h"
+#endif
+
+str_t str_os_from_str16(arena_t *arena, str16_t src) {
+    str_t out = {0};
+    
+    int outlen = WideCharToMultiByte(
+        CP_UTF8, 0,
+        src.buf, (int)src.len,
+        NULL, 0,
+        NULL, NULL
+    );
+
+    if (outlen == 0) {
+        unsigned long error = GetLastError();
+        if (error == ERROR_NO_UNICODE_TRANSLATION) {
+            err("couldn't translate wide string (%S) to utf8, no unicode translation", src.buf);
+        }
+        else {
+            err("couldn't translate wide string (%S) to utf8, %v", src.buf, os_get_error_string(os_get_last_error()));
+        }
+
+        return STR_EMPTY;
+    }
+
+    out.buf = alloc(arena, char, outlen + 1);
+    WideCharToMultiByte(
+        CP_UTF8, 0,
+        src.buf, (int)src.len,
+        out.buf, outlen,
+        NULL, NULL
+    );
+
+    out.len = outlen;
+
+    return out;
+}
+
+str16_t strv_os_to_str16(arena_t *arena, strview_t src) {
+    str16_t out = {0};
+
+    if (strv_is_empty(src)) {
+        return out;
+    }
+
+    int len = MultiByteToWideChar(
+        CP_UTF8, 0,
+        src.buf, (int)src.len,
+        NULL, 0
+    );
+
+    if (len == 0) {
+        unsigned long error = GetLastError();
+        if (error == ERROR_NO_UNICODE_TRANSLATION) {
+            err("couldn't translate string (%v) to a wide string, no unicode translation", src);
+        }
+        else {
+            err("couldn't translate string (%v) to a wide string, %v", src, os_get_error_string(os_get_last_error()));
+        }
+
+        return out;
+    }
+
+    out.buf = alloc(arena, wchar_t, len + 1);
+
+    MultiByteToWideChar(
+        CP_UTF8, 0,
+        src.buf, (int)src.len,
+        out.buf, len
+    );
+
+    out.len = len;
+
+    return out;
+}