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local listMgr = require 'vm.list'
local Sort = 0
local mt = {}
mt.__index = mt
mt.type = 'label'
function mt:getName()
return self.name
end
function mt:addInfo(tp, source)
if not source then
error('No source')
end
local id = source.id
if not id then
error('Not instanted source')
end
if self._info[id] then
return
end
Sort = Sort + 1
local info = {
type = tp,
source = id,
_sort = Sort,
}
self._info[id] = info
end
function mt:eachInfo(callback)
local list = {}
for srcId, info in pairs(self._info) do
local src = listMgr.get(srcId)
if src then
list[#list+1] = info
else
self._info[srcId] = nil
end
end
table.sort(list, function (a, b)
return a._sort < b._sort
end)
for i = 1, #list do
local info = list[i]
local res = callback(info, listMgr.get(info.source))
if res ~= nil then
return res
end
end
return nil
end
function mt:getSource()
return listMgr.get(self.source)
end
return function (name, source)
if not source then
error('No source')
end
local id = source.id
if not id then
error('Not instanted source')
end
local self = setmetatable({
name = name,
source = id,
_info = {},
}, mt)
return self
end
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