Module:Sandbox/Erutuon/parameters
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Revision as of 21:38, 13 August 2018 by blackwiki>Erutuon (may as well add a way to log parameters found for debugging)
Script error: The function "show_parameters" does not exist.
local p = {}
local function errorf(level, ...)
if type(level) == number then
return error(string.format(...), level + 1)
else -- level is actually the format string.
return error(string.format(level, ...), 2)
end
end
-- From [[wikt:Module:table]].
local function defaultKeySort(key1, key2)
-- "number" < "string", so numbers will be sorted before strings.
local type1, type2 = type(key1), type(key2)
if type1 ~= type2 then
return type1 < type2
else
return key1 < key2
end
end
function p.make_param_list(params_set)
local params_sorted = {}
for param_name in pairs(params_set) do
table.insert(params_sorted, param_name)
end
table.sort(params_sorted, defaultKeySort)
return params_sorted
end
function p.get_parameters(pagename)
local page
if type(pagename) == "string" then
page = mw.title.new(pagename)
elseif type(pagename) == "table" and pagename.nsText then
page = pagename
else
errorf("Bad argument #1 to get_parameters (expected pagename or page title, got %s)",
type(pagename))
end
local content = page:getContent()
local params = {}
for param_name in content:gmatch '{{{([%w _]+)%f[|]' do -- Not a completely accurate pattern.
-- This will incorrectly convert floats along with integers.
if tonumber(param_name) then
param_name = tonumber(param_name)
end
params[param_name] = true
end
return params
end
function p.check_params(frame)
local template_title = mw.title.getCurrentTitle()
local params_set = p.get_parameters(template_title)
if frame.args.log then
mw.log("get_parameters found the following parameters:",
table.concat(p.make_param_list(params_set), ", "))
end
local unrecognized_params = {}
for param_name in pairs(frame:getParent().args) do
if not params_set[param_name] then
unrecognized_params[param_name] = true
end
end
if next(unrecognized_params) then
local unrecognized_params_list = p.make_param_list(unrecognized_params)
errorf("The parameters %s %s not recognized",
table.concat(unrecognized_params_list, ", "),
unrecognized_params_list[2] and "are" or "is")
end
end
return p