Module:CIA World Factbook

local p = {} local getArgs = require('Module:Arguments').getArgs

-- prefix of all World Factbook pages local factbookPrefix = 'https://www.cia.gov/the-world-factbook/'

-- Format of archive link. Both %d represent the year of the archive local archiveFormat = ' (Archived %d edition.)'

-- Function to turn a string into a URL fragment appropriate for CIA website local function parseFragment(s) if not s then return '' end s = mw.ustring.lower(s) s = mw.ustring.gsub(s,' ','-') s = mw.ustring.gsub(s,',','') return s end

-- Function to fill in factbook link: -- Arguments: --   args.country: topic of page (optional) --   args.section: section of page (optional) -- Returns: --   link to World Factbook page about country, with section anchor function p._country(args) if not args.country then return factbookPrefix end local result = factbookPrefix..'countries/'..parseFragment(args.country) if args.section then return result..'/#'..parseFragment(args.section) end return result end

-- Function to fill in archive link: -- Arguments: --   args.archive: if non-empty, return nil --   args.year: else if this is non-empty, use it for year --   args.date: else if this is non-empty, parse it for a year -- Returns: --   the link, above, filled in with the year, or nil function p._archive(args) if args.archive then return nil end local year = nil if args.year then year = tonumber(args.year) elseif args.date then i, j = mw.ustring.find(args.date,'20%d%d') if i and j then year = tonumber(mw.ustring.sub(args.date,i,j)) end end if not year then return year end if year >= tonumber(os.date('%Y'))-1 then return false end return mw.ustring.format(archiveFormat, year, year) end

function p.country(frame) local args = getArgs(frame) return p._country(args) end

function p.archive(frame) local args = getArgs(frame) return p._archive(args) or '' end

return p