Moduł:Sandbox/Magwac

---

local p = {}

local function matchtodeath(text, pattern, trimby)
    local prev = text
    local m = string.match(prev, pattern)
    if m == nil then
        return nil
    end
    
    repeat
        prev = m
        if #m > trimby then
            m = string.sub(m, 1, -1-trimby)
        else
            break
        end
        m = string.match(m, pattern)
    until m == nil
    return prev
end

local function getparam(text, param)
    local m = matchtodeath(text, '|%s*' .. param .. '%s*=.*\n|', 1)
    if m == nil then
        m = matchtodeath(text, '|%s*' .. param .. '%s*=.*}}', 2)
        if m == nil then
            return ''
        end
        local s = string.find(m, '=')
        return mw.text.trim(string.sub(m, s+1, #m-2))
    end
 
    local s = string.find(m, '=')
    return mw.text.trim(string.sub(m, s+1, #m-1))
end

function p.pliktest(frame)
    local content = mw.title.new(frame.args[1], 'Plik'):getContent()
    local s = 
        '[[Plik:' .. frame.args[1] .. '|thumb|center|300px|' ..
        getparam(content, 'Description') .. ", ''autor: " .. getparam(content, 'Author') .. "'']]"
    return s        
end

return p