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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
local M = {}
function M.new_store()
return {}
end
function M.add(store, event_name, fn)
if type(event_name) ~= "string" or event_name == "" then
return false, "event name must be a non-empty string"
end
if type(fn) ~= "function" then
return false, "hook must be a function"
end
local bucket = store[event_name]
if not bucket then
bucket = {}
store[event_name] = bucket
end
bucket[#bucket + 1] = fn
return true
end
function M.run(store, event_name, ...)
local bucket = store[event_name]
if not bucket then
return true
end
local ok_all = true
for i = 1, #bucket do
local ok, err = pcall(bucket[i], ...)
if not ok then
ok_all = false
print(string.format("lemacs hook error [%s]: %s", event_name, tostring(err)))
end
end
return ok_all
end
function M.run_first_truthy(store, event_name, ...)
local bucket = store[event_name]
if not bucket then
return false
end
for i = 1, #bucket do
local ok, result = pcall(bucket[i], ...)
if not ok then
print(string.format("lemacs hook error [%s]: %s", event_name, tostring(result)))
elseif result then
return true
end
end
return false
end
return M
|
