#!/usr/bin/ruby -w

def tag name, value=nil
  result = "<#{name}>"
  if value
    result += value
  else
    result += "\n" + yield
  end
  result += "</#{name}>\n"
  result
end

print "<!DOCTYPE type SYSTEM \"/path/to/dtd\">\n"
print(
  tag("ejb-jar") {
    tag("description", "Project") +
    tag("enterprise-beans") {
      tag("session") { 
        tag("description", "Project session bean DD") +
        tag("ejb-name", "Project") +
        tag("home", "beans.ProjectHome") +
        tag("etcetera", "blah")
      }
    }
  }
)