instiki/app/models-old/chunks/include.rb
2005-08-02 07:59:22 +00:00

42 lines
1.2 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*/i
def self.pattern() INCLUDE_PATTERN end
def initialize(match_data, content)
super
@page_name = match_data[1].strip
@unmask_text = get_unmask_text_avoiding_recursion_loops
end
private
def get_unmask_text_avoiding_recursion_loops
if refpage then
refpage.clear_display_cache
if refpage.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
@content.merge_chunks(refpage.display_content)
return refpage.display_content.pre_rendered
end
else
return "<em>Could not include #{@page_name}</em>\n"
end
end
end