Initial commit

.config/lite-xl/plugins/lintplus/fsutil.lua

@@ -0,0 +1,29 @@
+-- file system utilities
+
+local fs = {}
+
+function fs.normalize_path(path)
+  if PLATFORM == "Windows" then
+    return path:gsub('\\', '/')
+  else
+    return path
+  end
+end
+
+function fs.parent_directory(path)
+  path = fs.normalize_path(path)
+  path = path:match("^(.-)/*$")
+  local last_slash_pos = -1
+  for i = #path, 1, -1 do
+    if path:sub(i, i) == '/' then
+      last_slash_pos = i
+      break
+    end
+  end
+  if last_slash_pos < 0 then
+    return nil
+  end
+  return path:sub(1, last_slash_pos - 1)
+end
+
+return fs