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