instiki/app/models/chunks/chunk.rb

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2005-01-15 21:26:54 +01:00
require 'digest/md5'
require 'uri/common'
# A chunk is a pattern of text that can be protected
# and interrogated by a renderer. Each Chunk class has a
# +pattern+ that states what sort of text it matches.
# Chunks are initalized by passing in the result of a
# match by its pattern.
module Chunk
class Abstract
attr_reader :text
def initialize(match_data) @text = match_data[0] end
def pre_mask() "chunk#{self.object_id}start " end
def post_mask() " chunk#{self.object_id}end" end
def mask(content) "chunk#{self.object_id}chunk" end
def revert(content) content.sub!( Regexp.new(mask(content)), text ) end
def unmask(content) self if revert(content) end
end
end