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Contents
module Gollum
class Macro
# Find the macro named, create an instance of that, and return it
def self.instance(macro_name, wiki, page)
begin
self.const_get(macro_name).new(wiki, page)
rescue NameError
Unknown_Macro.new(macro_name)
end
end
def initialize(wiki, page)
@wiki = wiki
@page = page
end
def render(*_args)
raise ArgumentError,
"#{self.class} does not implement #render. "+
"This is a bug in #{self.class}."
end
protected
def html_error(s)
"<p class=\"gollum-error\">#{s}</p>"
end
# The special class we reserve for only the finest of screwups. The
# underscore is to make sure nobody can define a real, callable macro
# with the same name, because that would be... exciting.
class Unknown_Macro < Macro
def initialize(macro_name)
@macro_name = macro_name
end
def render(*_args)
"!!!Unknown macro: #{@macro_name}!!!"
end
end
end
end
Dir[File.expand_path('../macro/*.rb', __FILE__)].each { |f| require f }
Version data entries
53 entries across 53 versions & 2 rubygems