local p={}
function p._parse(index, template, frame)
if not frame then frame = mw.getCurrentFrame() end
local error = ' when using {{tl|Inflation/' .. template .. '}}.{{main other|[[Category:Pages with errors in inflation template]]}}</span>'
if index then
local tempTitle = "Inflation/" .. index .. "/dataset"
local dataset = mw.title.new(tempTitle, "Template")
if dataset.exists then
local datatable = {}
local data = mw.text.gsplit(mw.ustring.gsub(dataset:getContent(), "\n?%s*|%s*#default%s*", ""), "\n")
for row in data do
local year, value = mw.ustring.match(row, "%s*\|%s*(%d%d%d%d)%s*=%s*([%d%.]+)")
if year and value then
datatable[tonumber(year)] = tonumber(value)
else
year, value = mw.ustring.match(row, "%s*\|%s*(%d%d%d%d)%s*=%s*{{(#expr:.*)}}")
if year and value then
datatable[tonumber(year)] = tonumber(frame:callParserFunction( value ))
end
end
end
if table.maxn(datatable) then
return datatable
else
error = '<span class="error">Error: unable to parse "Template:' .. tempTitle .. '"' .. error
end
else
error = '<span class="error">Error: undefined index "' .. index .. '"' .. error
end
else
error = '<span class="error">Error: no index specified' .. error
end
return frame:preprocess(error)
end
function p.year(frame)
local index = frame.args.index or frame.args[1] or frame:getParent().args.index or frame:getParent().args[1]
local result = p._parse(index, 'year', frame)
if type(result) == "table" then
return table.maxn(result)
else
return result
end
end
return p
