Module:Person length

-- This module implements Template:Infobox person/length

local p = {}

local function clean_length(s)

s = mw.ustring.gsub(s, 'centimetre', 'cm')

s = mw.ustring.gsub(s, 'centimeter', 'cm')

s = mw.ustring.gsub(s, 'cms', 'cm')

s = mw.ustring.gsub(s, 'cm%.', 'cm')

s = mw.ustring.gsub(s, 'metre', 'm')

s = mw.ustring.gsub(s, 'meter', 'm')

s = mw.ustring.gsub(s, 'ms', 'm')

s = mw.ustring.gsub(s, 'm%.', 'm')

s = mw.ustring.gsub(s, 'inches', 'in')

s = mw.ustring.gsub(s, 'inch', 'in')

s = mw.ustring.gsub(s, 'ins', 'in')

s = mw.ustring.gsub(s, 'in%.', 'in')

s = mw.ustring.gsub(s, '%[%Cc]entim')

s = mw.ustring.gsub(s, '%[%[cm%]%]s', 'cm')

s = mw.ustring.gsub(s, '%[%[m%]%]s', 'm')

s = mw.ustring.gsub(s, '%[%[in|in%]%]', 'in')

return s

end

local function isnumber(s)

if s then

s = mw.ustring.gsub(s, '%+%s*%d+%s*/%s*%d+%s*$', '')

return tonumber(s)

end

return nil

end

local function get_convert_length_args(s, prefer, enforce)

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_length(s or '') -- basic unit cleaning

s = mw.ustring.gsub(unconverted, '&[Nn][Bb][Ss][Pp];', ' ')

local m = mw.ustring.find(s, 'm')

local c = mw.ustring.find(s, 'cm')

local i = mw.ustring.find(s, 'in')

if m == nil and i == nil then

return '', unconverted

end

if c ~= nil and i == nil then

local n = mw.ustring.sub(s, 1, c - 1)

if isnumber(n) then

return force_m

and {n/100,'m','in',0,['abbr']='on'}

or {n,'cm','in',0,['abbr']='on'}, mw.ustring.sub(s, c+2)

end

return '', unconverted

end

if m ~= nil and c == nil and i == nil then

local n = mw.ustring.sub(s, 1, m - 1)

if isnumber(n) then

return force_cm

and {n*100,'cm','in',0,['abbr']='on'}

or {n,'m','in',0,['abbr']='on'}, mw.ustring.sub(s, m+1)

end

return '', unconverted

end

if i ~= nil and m == nil then

local n = mw.ustring.sub(s, 1, i - 1)

if isnumber(n) then

return (force_m or prefer_m)

and {n,'in','m',2,['abbr']='on'}

or {n,'in','cm',0,['abbr']='on'}, mw.ustring.sub(s, i+2)

end

return '', unconverted

end

return '', unconverted

end

function convert_length(frame, args)

local targs, str = get_convert_length_args(args[1], args['prefer'] or , args['enforce'] or )

if type(targs) == 'table' then

return frame:expandTemplate{ title = 'convert', args = targs} .. str

else

return str

end

end

function p.length(frame)

return convert_length(frame, frame.args[1] and frame.args or frame:getParent().args)

end

return p