49 lines
1.7 KiB
Ruby
49 lines
1.7 KiB
Ruby
require 'chunks/wiki'
|
|
|
|
# Includes the contents of another page for rendering.
|
|
# The include command looks like this: "[[!include PageName]]".
|
|
# It is a WikiReference since it refers to another page (PageName)
|
|
# and the wiki content using this command must be notified
|
|
# of changes to that page.
|
|
# If the included page could not be found, a warning is displayed.
|
|
|
|
class Include < WikiChunk::WikiReference
|
|
|
|
INCLUDE_PATTERN = /\[\[!include\s+([^\]\s][^\]]+?)\s*\]\]/i
|
|
def self.pattern() INCLUDE_PATTERN end
|
|
|
|
def initialize(match_data, content)
|
|
super
|
|
@page_name = match_data[1].strip
|
|
rendering_mode = content.options[:mode] || :show
|
|
@unmask_text = get_unmask_text_avoiding_recursion_loops(rendering_mode)
|
|
end
|
|
|
|
private
|
|
|
|
def get_unmask_text_avoiding_recursion_loops(rendering_mode)
|
|
if refpage
|
|
# TODO This way of instantiating a renderer is ugly.
|
|
renderer = PageRenderer.new(refpage.current_revision)
|
|
if renderer.wiki_includes.include?(@content.page_name)
|
|
# this will break the recursion
|
|
@content.delete_chunk(self)
|
|
return "<em>Recursive include detected; #{@page_name} --> #{@content.page_name} " +
|
|
"--> #{@page_name}</em>\n"
|
|
else
|
|
included_content =
|
|
case rendering_mode
|
|
when :show then renderer.display_content
|
|
when :publish then renderer.display_published
|
|
when :export then renderer.display_content_for_export
|
|
else raise "Unsupported rendering mode #{@mode.inspect}"
|
|
end
|
|
@content.merge_chunks(included_content)
|
|
return included_content.pre_rendered
|
|
end
|
|
else
|
|
return "<em>Could not include #{@page_name}</em>\n"
|
|
end
|
|
end
|
|
|
|
end
|