Module:Person weight
-- This module implements Template:Infobox person/weight
local p = {}
local function clean_weight(s)
s = mw.ustring.gsub(s, 'kilogram', 'kg')
s = mw.ustring.gsub(s, 'kgs', 'kg')
s = mw.ustring.gsub(s, 'kg[%.,]', 'kg')
s = mw.ustring.gsub(s, 'pound', 'lb')
s = mw.ustring.gsub(s, 'lbs', 'lb')
s = mw.ustring.gsub(s, 'lb[%.,]', 'lb')
s = mw.ustring.gsub(s, 'stone', 'st')
s = mw.ustring.gsub(s, 'sts', 'st')
s = mw.ustring.gsub(s, 'st[%.,]', 'st')
s = mw.ustring.gsub(s, '%[%[kg%]%]s', 'kg')
return s
end
local function isnumber(s)
if s then
s = mw.ustring.gsub(s, '%+%s*%d+%s*/%s*%d+%s*$', '')
s = mw.ustring.gsub(s, '%s*[–%-]%s*', '')
return tonumber(s)
end
return nil
end
local function get_convert_weight_args(s, kg_stlb, lb_stlb)
local prefer_m = (prefer or '') == 'm'
local force_m = (enforce or '') == 'm'
local prefer_cm = (prefer or '') == 'cm'
local force_cm = (enforce or '') == 'cm'
unconverted = clean_weight(s or '') -- basic unit cleaning
s = mw.ustring.gsub(unconverted, '&[Nn][Bb][Ss][Pp];', ' ')
local kg = mw.ustring.find(s, 'kg')
local st = mw.ustring.find(s, 'st')
local lb = mw.ustring.find(s, 'lb')
if kg == nil and st == nil and lb == nil then
return '', unconverted
end
if kg ~= nil and st == nil and lb == nil then
local n = mw.ustring.sub(s, 1, kg - 1)
if isnumber(n) then
return {n,'kg',kg_stlb and 'lb stlb' or 'lb',0,['abbr']='on'}, mw.ustring.sub(s, kg+2)
end
return '', unconverted
end
if lb ~= nil and kg == nil and st == nil then
local n = mw.ustring.sub(s, 1, lb - 1)
if isnumber(n) then
return {n,'lb',lb_stlb and 'kg stlb' or 'kg',0,['abbr']='on'}, mw.ustring.sub(s, lb+2)
end
return '', unconverted
end
if st ~= nil and kg == nil and lb == nil then
local n = mw.ustring.sub(s, 1, st - 1)
if isnumber(n) then
return {n,'st','lb kg',0,['abbr']='on'}, mw.ustring.sub(s, st+2)
end
return '', unconverted
end
if lb ~= nil and st ~=nil and kg == nil then
local n1 = mw.ustring.sub(s, 1, st - 1)
local n2 = mw.ustring.sub(s, st+2, lb - 1)
if isnumber(n1) and isnumber(n2) then
return {n1,'st',n2,'lb', 'lb kg',0,['abbr']='on'}, mw.ustring.sub(s, lb+2)
end
return '', unconverted
end
return '', unconverted
end
function convert_weight(frame, args)
local targs, str = get_convert_weight_args(args[1], (args['kg-stlb'] or ) ~= , (args['lb-stlb'] or ) ~= )
if type(targs) == 'table' then
return frame:expandTemplate{ title = 'convert', args = targs} .. str
else
return str
end
end
function p.weight(frame)
return convert_weight(frame, frame.args[1] and frame.args or frame:getParent().args)
end
return p