' Theme: md2gost local C4 stub — works with PlantUML when stdlib C4 is unavailable.
' Prefer !include <C4/C4_Container> when using full PlantUML distribution.

!ifndef C4_INCLUDED
!define C4_INCLUDED

!unquoted procedure Person($alias, $label, $descr="")
  actor "$label" as $alias
!endprocedure

!unquoted procedure System($alias, $label, $descr="")
  rectangle "$label" as $alias
!endprocedure

!unquoted procedure System_Ext($alias, $label, $descr="")
  rectangle "$label" as $alias #LightGray
!endprocedure

!unquoted procedure Container($alias, $label, $techn="", $descr="")
  rectangle "$label\n[$techn]" as $alias
!endprocedure

!unquoted procedure ContainerDb($alias, $label, $techn="", $descr="")
  database "$label\n[$techn]" as $alias
!endprocedure

!unquoted procedure Component($alias, $label, $techn="", $descr="")
  component [$label] as $alias
!endprocedure

!unquoted procedure Rel($from, $to, $label="", $techn="")
  $from --> $to : $label
!endprocedure

!unquoted procedure Rel_R($from, $to, $label="", $techn="")
  $from -right-> $to : $label
!endprocedure

!unquoted procedure Rel_L($from, $to, $label="", $techn="")
  $from -left-> $to : $label
!endprocedure

!unquoted procedure Rel_D($from, $to, $label="", $techn="")
  $from -down-> $to : $label
!endprocedure

!unquoted procedure Rel_U($from, $to, $label="", $techn="")
  $from -up-> $to : $label
!endprocedure

!unquoted procedure Boundary($alias, $label, $type="")
  rectangle "$label" as $alias {
!endprocedure

!unquoted procedure Boundary_End()
  }
!endprocedure

!unquoted procedure System_Boundary($alias, $label)
  Boundary($alias, $label, "system")
!endprocedure

!unquoted procedure Container_Boundary($alias, $label)
  Boundary($alias, $label, "container")
!endprocedure

!endif