1 files changed, 19 insertions, 0 deletions
diff --git a/lua/clever_f/host_adapter.lua b/lua/clever_f/host_adapter.lua
index 51591a9..7a71fb8 100644
--- a/lua/clever_f/host_adapter.lua
+++ b/lua/clever_f/host_adapter.lua
@@ -65,6 +65,25 @@ function HostAdapter:runtime()
   return adapter_records[self].runtime
 end
 
+function HostAdapter:read_encoding()
+  local runtime = self:runtime()
+  return runtime.api.nvim_get_option_value(
+    "encoding",
+    { scope = "global" }
+  )
+end
+
+function HostAdapter:lowercase(value)
+  if type(value) ~= "string" then
+    fail("case conversion value must be a string", 2)
+  end
+  local result = self:runtime().fn.tolower(value)
+  if type(result) ~= "string" then
+    fail("Nvim case conversion must return a string", 2)
+  end
+  return result
+end
+
 local function next_identity(adapter, prefix)
   local record = adapter_records[adapter]
   local identity = prefix .. "-" .. tostring(record.next_identity)