1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
local M = {}
function M.define(state, name, fn)
state.commands[name] = fn
end
function M.bind(state, key, command_name)
state.keymap[key] = command_name
end
function M.call(state, name, ...)
local fn = state.commands[name]
if not fn then
return false, "Unknown command: " .. tostring(name)
end
local ok, err = pcall(fn, ...)
if not ok then
return false, tostring(err)
end
return true
end
function M.bind_fn(state, key, fn)
if type(key) ~= "string" or key == "" then
return false, "key must be a non-empty string"
end
if type(fn) ~= "function" then
return false, "bind_fn requires a function"
end
local name = string.format("anon:%d", state.next_anon_command_id)
state.next_anon_command_id = state.next_anon_command_id + 1
state.commands[name] = fn
state.keymap[key] = name
return true
end
return M
|