Difference between revisions of "Module:CountryData"
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(update from wikipedia) |
Tag: Undo |
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Line 1: | Line 1: | ||
local p = {} | local p = {} | ||
local function getcontents(frame,country,params) | local function getcontents(frame,country,params) | ||
return frame:expandTemplate({title="Country data "..country;args=params}) | return frame:expandTemplate({title="Country data "..country;args=params}) | ||
end | end | ||
Line 22: | Line 9: | ||
--If not a valid data template, return empty table | --If not a valid data template, return empty table | ||
local bool, s = pcall(getcontents,frame,country,params or {}) | local bool, s = pcall(getcontents,frame,country,params or {}) | ||
if bool and | if bool and string.find(s,"^%{%{ *%{%{%{1") | ||
then | then | ||
--Replace parameter delimiters with arbitrary control characters | --Replace parameter delimiters with arbitrary control characters |
Latest revision as of 01:41, 28 December 2021
Documentation for this module may be created at Module:CountryData/doc
local p = {} local function getcontents(frame,country,params) return frame:expandTemplate({title="Country data "..country;args=params}) end function p.gettable(frame,country,params) --Returns the parameters of a country data template as a Lua table --If not a valid data template, return empty table local bool, s = pcall(getcontents,frame,country,params or {}) if bool and string.find(s,"^%{%{ *%{%{%{1") then --Replace parameter delimiters with arbitrary control characters --to avoid clashes if param values contain equals/pipe signs s = string.gsub(s,"|([^|=]-)=","\1\1%1\2") s = string.gsub(s,"}}%s*$","\1") --Loop over string and add params to table local part = {} for par in string.gmatch(s,"\1[^\1\2]-\2[^\1\2]-\1") do local k = string.match(par,"\1%s*(.-)%s*\2") local v = string.match(par,"\2%s*(.-)%s*\1") if v and not (v=="" and string.find(k,"^flag alias")) then part[k] = v end end return part else return {} end end function p.getalias(frame) --Returns a single parameter value from a data template local part = p.gettable(frame,frame.args[1]) if frame.args.variant then return tostring(part[frame.args[2].."-"..frame.args.variant] or part[frame.args[2]] or frame.args.def) else return tostring(part[frame.args[2]] or frame.args.def) end end function p.gettemplate(frame) --For testing, recreates the country data from the created Lua table --Get data table local data = p.gettable(frame,frame.args[1]) --Concatenate fields into a template-like string local out = "{{ {{{1}}}" for k,v in pairs(data) do out = out.."\n| "..k.." = "..v end return out.."\n}}" end return p