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Line 2:
Line 2: + + + Line 19:
Line 22: − + − local fromKey = "from" .. (n and tostring(n) or "") + − local from = context and context[fromKey] and tonumber(context[fromKey]) or 1 + − local toKey = "to" .. (n and tostring(n) or "")+ − + − local sortKey = "sort" .. (n and tostring(n) or "") + − local sort = context and context[sortKey]+ + + + + + + + + + − + − + + − + − + − + + Line 51:
Line 65: − + − + + + + + + − + − local type = context and context[typeKey] and tonumber(context[typeKey])+ − local sortKey = "sort" .. (n and tostring(n) or "") + − local sort = context and context[sortKey]+ − local collection = require('Module:Collection/Equipment') − if sort then − table.sort(collection, function(a, b) return a[sort] < b[sort] end) − end − local i = 1 − local current − return { − next = function() − for _ = i, #collection do − if collection[i]._type == type then − current = collection[i]._name − i = i + 1 − return true − end − i = i + 1 − end − current = nil − return false − end, − current = function() − return current − end, − } − + − local iconKey = "icon" .. (n and tostring(n) or "")+ − local type = context and context[typeKey] and tonumber(context[typeKey])+ − + − local sortKey = "sort" .. (n and tostring(n) or "") + − local sort = context and context[sortKey] − local collection = require('Module:Collection/Equipment') − if sort then − table.sort(collection, function(a, b) return a[sort] < b[sort] end) − end − local i = 1 − local current − return { − next = function() − for _ = i, #collection do − if collection[i]._type == type and collection[i]._icon == icon then − current = collection[i]._name − i = i + 1 − return true − end − i = i + 1 − end − current = nil − return false − end, − current = function() − return current − end, − } − --[[ − + − while iterator.next() do+ − mw.log(iterator.current())+ + + + + + + + + − ]]--
no edit summary
-- more generic interface and compositions (filtering, grouping, mapping, sorting, etc.)
-- more generic interface and compositions (filtering, grouping, mapping, sorting, etc.)
-- prevent clients from infinite loops
-- prevent clients from infinite loops
local EquipmentData = require('Module:EquipmentData')
local Iterator = {}
local Iterator = {}
-- legacy, not a proper iterator
function Iterator.array(arr, i, n)
function Iterator.array(arr, i, n)
i = i or 0
i = i or 0
end
end
function Iterator.equipmentById(context, n)
function stringKey(name, context, n, default)
return context and context[name .. (n and tostring(n) or '')] or default
end
local to = context and context[toKey] and tonumber(context[toKey]) or 500
function numberKey(name, context, n, default)
return context and tonumber(context[name .. (n and tostring(n) or '')]) or default
end
function Iterator.equipmentBy(context, n, pred)
local predKey = stringKey('pred', context, n)
if predKey then
pred = function(e)
local obj = EquipmentData(e)
return obj[predKey](obj)
end
end
local collection = require('Module:Collection/Equipment')
local collection = require('Module:Collection/Equipment')
if sort then
local sortKey = stringKey('sort', context, n)
table.sort(collection, function(a, b) return a[sort] < b[sort] end)
if sortKey then
table.sort(collection, function(a, b) return a[sortKey] and b[sortKey] and a[sortKey] < b[sortKey] end)
end
end
local i = 1
local i = 1
local current
local current = nil
return {
return {
next = function()
next = function()
for _ = i, #collection do
for _ = i, #collection do
if i >= from and i <= to then
local e = collection[i]
current = collection[i]._name
if pred(e, i) then
current = e._name
i = i + 1
i = i + 1
return true
return true
end
end
function Iterator.equipment(n)
function Iterator.equipmentById(context, n)
return Iterator.equipmentById(nil, n)
local from = numberKey('from', context, n, 1)
local to = numberKey('to', context, n, 500)
return Iterator.equipmentBy(context, n, function(_, i)
-- use _id?
return i >= from and i <= to
end)
end
end
function Iterator.equipmentByType(context, n)
function Iterator.equipmentByType(context, n)
local typeKey = "type" .. (n and tostring(n) or "")
local type = numberKey('type', context, n)
return Iterator.equipmentBy(context, n, function(e)
return e._type == type
end)
end
end
function Iterator.equipmentByTypeAndIcon(context, n)
function Iterator.equipmentByTypeAndIcon(context, n)
local typeKey = "type" .. (n and tostring(n) or "")
local type = numberKey('type', context, n)
local icon = numberKey('icon', context, n)
return Iterator.equipmentBy(context, n, function(e)
local icon = context and context[iconKey] and tonumber(context[iconKey])
return e._type == type and e._icon == icon
end)
end
end
function Iterator.test()
function Iterator.test()
local iterator = Iterator.equipmentById({ from = "11", to = "20" })
function testIterator(name, args)
local iterator = Iterator[name](args)
mw.log(name)
while iterator.next() do
mw.log(' ' .. iterator.current())
end
mw.log()
end
end
testIterator('equipmentById', { from = '11', to = '20' })
testIterator('equipmentByType', { type = '2' })
testIterator('equipmentByTypeAndIcon', { type = '1', icon = '16' })
testIterator('equipmentBy', { pred = 'is_large_caliber_main_gun', sort = '_type' })
end
end
-- p.test()
-- p.test()
return Iterator
return Iterator