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Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/pastel-0.7.4/lib/pastel/

Viewing File: alias_importer.rb

# encoding: utf-8

module Pastel
  # A class responsible for importing color aliases
  class AliasImporter
    # Create alias importer
    #
    # @example
    #   importer = Pastel::AliasImporter.new(Pastel::Color.new, {})
    #
    # @api public
    def initialize(color, env, output = $stderr)
      @color  = color
      @env    = env
      @output = output
    end

    # Import aliases from the environment
    #
    # @example
    #   importer = Pastel::AliasImporter.new(Pastel::Color.new, {})
    #   importer.import
    #
    # @return [nil]
    #
    # @api public
    def import
      color_aliases = env['PASTEL_COLORS_ALIASES']
      return unless color_aliases
      color_aliases.split(',').each do |color_alias|
        new_color, old_colors = color_alias.split('=')
        if !new_color || !old_colors
          output.puts "Bad color mapping `#{color_alias}`"
        else
          color.alias_color(new_color.to_sym,
                            *old_colors.split('.').map(&:to_sym))
        end
      end
    end

    protected

    attr_reader :color, :output, :env
  end # AliasImporter
end # Pastel