class Capistrano::Configuration::RoleFilter

Public Class Methods

new(values) click to toggle source
# File lib/capistrano/configuration/role_filter.rb, line 4
def initialize(values)
  av = Array(values).dup
  av.map! { |v| v.is_a?(String) ? v.split(",") : v }
  av.flatten!
  @rex = regex_matcher(av)
end

Public Instance Methods

filter(servers) click to toggle source
# File lib/capistrano/configuration/role_filter.rb, line 11
def filter(servers)
  Array(servers).select { |s| s.is_a?(String) ? false : s.roles.any? { |r| @rex.match r } }
end

Private Instance Methods

regex_matcher(values) click to toggle source
# File lib/capistrano/configuration/role_filter.rb, line 17
def regex_matcher(values)
  values.map! do |v|
    case v
    when Regexp then v
    else
      vs = v.to_s
      vs =~ %r{^/(.+)/$} ? Regexp.new($1) : /^#{vs}$/
    end
  end
  Regexp.union values
end