[lua/mappings] Started work on vim.keymap.set wrapper

1 files changed, 44 insertions, 0 deletions

diff --git a/lua/mappings.lua b/lua/mappings.lua
new file mode 100644
index 0000000..0713724
--- /dev/null
+++ b/lua/mappings.lua
@@ -0,0 +1,44 @@
+keys = { sideeffect = {}, key = "" }
+setmetatable(keys,
+{
+	__index = function (table, index)
+		local modifier, key = index:match("^(.*)_"), index:match("[^_]*$")
+		if modifier == nil then 
+			if #key > 1 then
+				key = "<" .. key .. ">"
+			end
+			table.key = table.key .. key
+			return keys
+		end
+		modifier = modifier:upper()
+
+		if     modifier == "SHIFT"   then table.key = table.key .. "<S-" .. key .. ">"
+		elseif modifier == "CONTROL" then table.key = table.key .. "<C-" .. key .. ">"
+		elseif modifier == "ALT"     then table.key = table.key .. "<M-" .. key .. ">"
+		elseif modifier == "SUPER"   then table.key = table.key .. "<D-" .. key .. ">"
+		elseif modifier ~= nil       then error("Unknown key modifier \"" .. modifier .. "\"!")
+		end
+
+		return keys
+	end,
+	__call = function (table, ...)
+		return vim.keymap.set(table.sideeffect, table.key, ...)
+	end
+})
+map = {}
+setmetatable(map,
+{
+	__index = function (table, index)
+		keys.sideeffect = {}
+		keys.key = ""
+		for i = 1, index:len() do
+			rawset(keys.sideeffect, i, index:sub(i, i))
+		end
+		return keys
+	end
+})
+
+--vim.keymap.set(mode.n.Alt_P, "gd")
+
+map.n.Alt_p("gt")
+map.n.Alt_o("gT")