middleman/middleman-core/fixtures/traversal-app/source/layout.erb

Source: <%= current_page.source_file.sub(root + "/", "") %>

<% if current_page.parent %>
  Parent: <%= current_page.parent.path %>
<% end %>

<% current_page.children.each do |p| %>
  Child: <%= p.path %>
<% end %>

<% current_page.siblings.each do |p| %>
  Sibling: <%= p.path %>
<% end %>

<% current_page.children.each do |p| %>
  <% if p.data %>
    Data: <%= p.data %>
  <% end %>
<% end %>