instiki/lib/chunks/literal.rb
2007-01-22 07:43:50 -06:00

32 lines
955 B
Ruby

require 'chunks/chunk'
# These are basic chunks that have a pattern and can be protected.
# They are used by rendering process to prevent wiki rendering
# occuring within literal areas such as <code> and <pre> blocks
# and within HTML tags.
module Literal
class AbstractLiteral < Chunk::Abstract
def initialize(match_data, content)
super
@unmask_text = @text
end
end
# A literal chunk that protects 'code' and 'pre' tags from wiki rendering.
class Pre < AbstractLiteral
PRE_BLOCKS = "a|pre|code"
PRE_PATTERN = Regexp.new('<('+PRE_BLOCKS+')\b[^>]*?>.*?</\1>', Regexp::MULTILINE)
def self.pattern() PRE_PATTERN end
end
# A literal chunk that protects HTML tags from wiki rendering.
class Tags < AbstractLiteral
TAGS = "a|img|em|strong|div|span|table|td|th|ul|ol|li|dl|dt|dd"
TAGS_PATTERN = Regexp.new('<(?:'+TAGS+')[^>]*?>', Regexp::MULTILINE)
def self.pattern() TAGS_PATTERN end
end
end