1 files changed, 57 insertions, 0 deletions
diff --git a/mac/.config/mpv/script-modules/utf8/primitives/native.lua b/mac/.config/mpv/script-modules/utf8/primitives/native.lua
new file mode 100644
index 0000000..c9aca54
--- /dev/null
+++ b/mac/.config/mpv/script-modules/utf8/primitives/native.lua
@@ -0,0 +1,57 @@
+return function(utf8)
+
+local ffi = require("ffi")
+if ffi.os == "Windows" then
+  os.setlocale(utf8.config.locale or "english_us.65001", "ctype")
+  ffi.cdef[[
+    short towupper(short c);
+    short towlower(short c);
+  ]]
+else
+  os.setlocale(utf8.config.locale or "C.UTF-8", "ctype")
+  ffi.cdef[[
+    int towupper(int c);
+    int towlower(int c);
+  ]]
+end
+
+utf8:require "primitives.dummy"
+
+if not utf8.config.conversion.uc_lc then
+  function utf8.lower(str)
+    local bs = 1
+    local nbs
+    local bytes = utf8.raw.len(str)
+    local res = {}
+  
+    while bs <= bytes do
+      nbs = utf8.next(str, bs)
+      local cp = utf8.unicode(str, bs, nbs)
+      res[#res + 1] = ffi.C.towlower(cp)
+      bs = nbs
+    end
+  
+    return utf8.char(utf8.config.unpack(res))
+  end
+end
+
+if not utf8.config.conversion.lc_uc then
+  function utf8.upper(str)
+    local bs = 1
+    local nbs
+    local bytes = utf8.raw.len(str)
+    local res = {}
+  
+    while bs <= bytes do
+      nbs = utf8.next(str, bs)
+      local cp = utf8.unicode(str, bs, nbs)
+      res[#res + 1] = ffi.C.towupper(cp)
+      bs = nbs
+    end
+  
+    return utf8.char(utf8.config.unpack(res))
+  end
+end
+
+return utf8
+end