Module:Object size

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This module is intended to aid in converting dimensions in {{Infobox mobile phone}}. It is implemented by {{Infobox mobile phone/size}}.

Usage

{{#invoke:Object size|size|153 x 235 x 23 mm}}

See also

• Module:Object weight

The above documentation is transcluded from Module:Object size/doc. (edit | history)
Editors can experiment in this module's sandbox (create | mirror) and testcases (create) pages.
Subpages of this module.

-- This module is based off of [[Module:Person length]]

local p = {}

-- This function 100% written by AI!
local function replace_all_but_last(str, pattern, replacement)
    local last_occurrence_start, last_occurrence_end = str:find(pattern, 1, true) -- Find the first occurrence
    local temp_start, temp_end
    while last_occurrence_start do -- Keep finding until the last one
        temp_start, temp_end = last_occurrence_start, last_occurrence_end
        last_occurrence_start, last_occurrence_end = str:find(pattern, last_occurrence_end + 1, true)
    end

    if not temp_start then -- No occurrences found
        return str
    end

    local before_last = str:sub(1, temp_start - 1)
    local after_last = str:sub(temp_start)

    local replaced_before = before_last:gsub(pattern, replacement)

    return replaced_before .. after_last
end

function is_valid_unit(str)
	local units = {'mm','cm','in'}
    for index, value in ipairs(units) do
        if value == str then
            return true
        end
    end
    return false
end

local function clean_length(s)
	s = mw.ustring.gsub(s, '^%s*','')
	s = mw.ustring.gsub(s, '(%S)[×x](%S)', '%1 x %2') 
	s = mw.ustring.gsub(s, 'X', 'x')
	s = mw.ustring.gsub(s, '%s[×xX]%s', ' * ')
	s = mw.ustring.gsub(s, 'millimeter', 'mm')
	s = mw.ustring.gsub(s, 'millimetre', 'mm')
	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, 'centimetre', 'cm')
	s = mw.ustring.gsub(s, 'centimeter', 'cm')
	s = mw.ustring.gsub(s, 'cms', 'cm')
	s = mw.ustring.gsub(s, 'cm%.', 'cm')
	
	s = replace_all_but_last(s, 'mm', '')
	s = replace_all_but_last(s, 'cm', '')
	s = replace_all_but_last(s, 'in', '')
	
	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 s
	end
	return nil
end

local function get_convert_length_args(s, prefer, enforce)
 	local original_string = s
 	s = clean_length(original_string or '') -- basic unit cleaning
	
	s = mw.ustring.gsub(s, '&[Nn][Bb][Ss][Pp];', ' ')
	
	local unit = mw.ustring.match(s, '^%s*[%d%.]*%s*%*%s*[%d%.]*%s*%*%s*[%d%.]*%s*(%a+)')
	if not is_valid_unit(unit) then
		return '', original_string
	end
	
	local m = mw.ustring.find(s, 'mm')
	local i = mw.ustring.find(s, 'in')
	local c = mw.ustring.find(s, 'cm')
	
	if m == nil and i == nil and c == nil then
		return '', original_string
	end

	if m ~= nil and i == nil then
		local n = mw.ustring.sub(s, 1, m - 1)
		if isnumber(n) then
			return {n,'mm','in',['abbr']='on'}, mw.ustring.sub(s, m+2)
		end
		return '', original_string
	end
	
	if i ~= nil and m == nil then
		local n = mw.ustring.sub(s, 1, i - 1)
		if isnumber(n) then
			return {n,'in','mm',['abbr']='on'}, mw.ustring.sub(s, i+2)
		end
		return '', original_string
	end
	
	if c ~= nil and i == nil then
		local n = mw.ustring.sub(s, 1, c - 1)
		if isnumber(n) then
			return {n,'cm','in',['abbr']='on'}, mw.ustring.sub(s, c+2)
		end
		return '', original_string
	end
	
	return '', original_string
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.size(frame)
	return convert_length(frame, frame.args[1] and frame.args or frame:getParent().args)
end

return p