!function column($name, $type, $pk=false, $fk=false, $nn=false)
  !local $prefix = ""

  !if ($pk == true)
    !$prefix = "<color:#d99d1c><&key></color>"
  !elseif($nn == true)
    !$prefix = "*"
  !endif

  !if ($fk == true)
    !$prefix = $prefix + "<color:#aaaaaa><&key></color>"
  !endif

  !return $prefix + '<b>""' + $name + '""</b>' + ': ' + '//""' + $type + '"" //'
!endfunction

!function table($name)
  !return 'entity "**' + $name + '**"' + " as " + $name
!endfunction

!procedure enum($name, $variants)
  !$list = %splitstr($variants, ",")

  object "**$name** <color:purple>**(E)**</color>" as $name {
    !foreach $item in $list
      $item
    !endfor
  }
!endprocedure

!procedure add_legend()
  legend right
   <#GhostWhite,#GhostWhite>|   |= __Legend__ |
   |<b><color:#b8861b><&key></color></b>| Primary Key |
   |<color:#aaaaaa><&key></color>| Foreign Key |
   | &#8226; | Mandatory field (Not Null) |
   | <color:purple>**(E)**</color> | Enum |
  endlegend
!endprocedure