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
62
63
64
65
66
67
68
69
70
71
72
|
local core = require "core"
local command = {}
command.map = {}
local always_true = function() return true end
function command.add(predicate, map)
predicate = predicate or always_true
if type(predicate) == "string" then
predicate = require(predicate)
end
if type(predicate) == "table" then
local class = predicate
predicate = function() return core.active_view:is(class) end
end
for name, fn in pairs(map) do
assert(not command.map[name], "command already exists: " .. name)
command.map[name] = { predicate = predicate, perform = fn }
end
end
local function capitalize_first(str)
return str:sub(1, 1):upper() .. str:sub(2)
end
function command.prettify_name(name)
return name:gsub(":", ": "):gsub("-", " "):gsub("%S+", capitalize_first)
end
function command.get_all_valid()
local res = {}
for name, cmd in pairs(command.map) do
if cmd.predicate() then
table.insert(res, name)
end
end
return res
end
local function perform(name)
local cmd = command.map[name]
if cmd and cmd.predicate() then
cmd.perform()
return true
end
return false
end
function command.perform(...)
local ok, res = core.try(perform, ...)
return not ok or res
end
function command.add_defaults()
local reg = {
"core", "root", "command", "doc", "findreplace",
"files", "drawwhitespace", "dialog"
}
for _, name in ipairs(reg) do
require("core.commands." .. name)
end
end
return command
|
