עריכת הדף "יחידה:גימטריה"

local values = {
    ['א'] = 1,
    ['ב'] = 2,
    ['ג'] = 3,
    ['ד'] = 4,
    ['ה'] = 5,
    ['ו'] = 6,
    ['ז'] = 7,
    ['ח'] = 8,
    ['ט'] = 9,
    ['י'] = 10,
    ['כ'] = 20,
    ['ל'] = 30,
    ['מ'] = 40,
    ['נ'] = 50,
    ['ס'] = 60,
    ['ע'] = 70,
    ['פ'] = 80,
    ['צ'] = 90,
    ['ק'] = 100,
    ['ר'] = 200,
    ['ש'] = 300,
    ['ת'] = 400,
}

local tab = {}
for k, v in pairs( values ) do tab[v] = k end

local endet = {
    ['ך'] = 20,
    ['ם'] = 40,
    ['ן'] = 50,
    ['ף'] = 80,
    ['ץ'] = 90,
}

local gimatria = function(s)
        local sum = 0
        for l in mw.ustring.gmatch( s, "." ) do sum = sum + ( values[l] or endet[l] or 0) end
        return sum
end

local mispar_lotiot = function( num, geresh )
        local res, toadd = '', 0
        while num > 0 do
            if num >= 400 then toadd = 400
            elseif num >= 100 then toadd = num - num % 100
            elseif num >= 10 then toadd = num - num % 10
            else toadd = num end
            res = res .. tab[toadd]
            num = num - toadd 
        end
        res = mw.ustring.gsub( res, 'יה', 'טו' )
        res = mw.ustring.gsub( res, 'יו', 'טז' )
        res = mw.ustring.gsub( res, '(.)(.)$', '%1' .. (geresh or '') .. '%2' )
        return res
end

local haba = function(s)
    return mispar_lotiot(gimatria(s)+1, '')
end

local haqodem = function(s)
    return mispar_lotiot(gimatria(s)-1, '')
end

return {
    gimatria = gimatria,
    ['גימטריה'] = function( frame )
        return gimatria(frame.args[1] or '')
    end,
    
    mispar_lotiot = mispar_lotiot,
    ['מספר לאותיות'] = function( frame )
        return mispar_lotiot( (tonumber(frame.args[1]) or 0),  ( frame.args[2] or '' ))
    end,
    
    haba = haba,
    ['הבא'] = function( frame )
        local args = frame.args;
        if args[1] == nil then
            local parent = frame:getParent();
            args = parent.args;
        end
        return haba(args[1] or '')
    end,
    
    haqodem = haqodem,
    ['הקודם'] = function( frame )
        local args = frame.args;
        if args[1] == nil then
            local parent = frame:getParent();
            args = parent.args;
        end
        return haqodem(args[1] or '')
    end,

    ['שנה'] = function( frame )
        local args = frame.args;
        if args[1] == nil then
            local parent = frame:getParent();
            args = parent.args;
        end
        return gimatria(args[1] or '')*1000 + gimatria(args[2] or '')
    end,
}