Method: PgGraph::Reflection#initialize

Defined in:
lib/pg_graph/reflector.rb

#initialize(match, this, that, multi = nil, pluralize = nil, default_reflection = false) ⇒ Reflection

this and that are template strings, nil, or false



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# File 'lib/pg_graph/reflector.rb', line 56

def initialize(match, this, that, multi = nil, pluralize = nil, default_reflection = false)
  constrain match, Regexp, String
  constrain this, String, NilClass
  constrain that, String, FalseClass, NilClass
  constrain multi, true, false, nil
  constrain pluralize, TrueClass, FalseClass, NilClass
  constrain default_reflection, TrueClass, FalseClass, NilClass
  @match = match.is_a?(Regexp) ? match.source : match
  if @match =~ /^\/(.*)\/$/
    re = $1
    @re = Regexp.new("^(?:\\w+\\.)*#{re}$")
    @components = re.scan(/(?<!\\)\\(?:\\\\)*\./).count + 1
  else
    @re = Regexp.new("^(?:\\w+\\.)*#{@match}$")
    @components = @match.count(".") + 1
  end
  (1..4).include?(@components) or raise "Illegal number of name components: #{@match}"
  @this = this
  @that = that
  @multi = multi
  @pluralize = pluralize
  @default_reflection = default_reflection || false
end