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Versions: 8
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Contents
# frozen_string_literal: true
require 'mustermann/visualizer/highlighter/ast'
require 'mustermann/visualizer/highlighter/ad_hoc'
require 'mustermann/visualizer/highlighter/composite'
require 'mustermann/visualizer/highlighter/dummy'
require 'mustermann/visualizer/highlighter/regular'
module Mustermann
module Visualizer
# @!visibility private
module Highlighter
extend self
# @return [String] highlighted string
# @!visibility private
def highlight(pattern, renderer)
highlighter_for(pattern).highlight(pattern, renderer)
end
# @return [#highlight] Highlighter for given pattern
# @!visibility private
def highlighter_for(pattern)
return pattern.highlighter if pattern.respond_to? :highlighter and pattern.highlighter
consts = constants.map { |name| const_get(name) }
highlighter = consts.detect { |c| c.respond_to? :highlight? and c.highlight? pattern }
highlighter || Dummy
end
# Used to generate highlighting rules on the fly.
# @see Mustermann::Shell#highlighter
# @see Mustermann::Simple#highlighter
# @!visibility private
def create(&block)
Class.new(AdHoc, &block)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems