-- **********************************************************************
-- * Html Encoding utilities
-- * 
-- * version 0.1
-- *
-- * (c) 2005 Hi-Project Ltd. 
-- **********************************************************************

ENCODING = "UTF-8"

require"utf8"

-- UTF utilities -----------------

function str_encode(s)
    if s==nil then return "" end
    if ENCODING == "UTF-8" then
       return utf8.encode(s) or ""
    else
       return s
    end
end

function str_decode(s)
    if s==nil then return "" end
    if ENCODING == "UTF-8" then
       return utf8.decode(s) or ""
    else
       return s
    end
end

function table_decode(t)
    if t==nil then return {} end
    if ENCODING == "UTF-8" then
     table.foreach(t,function(k,v)
       if type(v)=="string" then
          t[k] = utf8.decode(v) or ""
       end
     end)
    end
    return t
end

function table_encode(t)
    if t==nil then return {} end
    if ENCODING == "UTF-8" then    
     table.foreach(t,function(k,v)
       if type(v)=="string" then
          t[k] = utf8.encode(v) or ""
       end
     end)
    end
    return t
end