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koreader/plugins/statistics.koplugin/tableutil.lua
Alex Pletnev ce4e32e01c #1723 Add time to read into the status bar
Add new statuses:
TB - book time to read
TC - chapter time to read

Fix backward compatible in statistics plugin
2015-11-27 17:13:01 +02:00

29 lines
659 B
Lua

local tableutil = {}
--http://stackoverflow.com/questions/15706270/sort-a-table-in-lua
function tableutil.spairs(t, order)
-- collect the keys
local keys = {}
for k in pairs(t) do keys[#keys + 1] = k end
-- if order function given, sort by it by passing the table and keys a, b,
-- otherwise just sort the keys
if order then
table.sort(keys, function(a, b) return order(t, a, b) end)
else
table.sort(keys)
end
-- return the iterator function
local i = 0
return function()
i = i + 1
if keys[i] then
return keys[i], t[keys[i]]
end
end
end
return tableutil