class ActiveFacts::Metamodel::ValueRange

Public Instance Methods

effective_maximum() click to toggle source

Note the mismatched return types here:

# File lib/activefacts/metamodel/extensions.rb, line 1077
def effective_maximum
  maximum_bound ? maximum_bound.value : Infinity
end
effective_minimum() click to toggle source
# File lib/activefacts/metamodel/extensions.rb, line 1081
def effective_minimum
  minimum_bound ? minimum_bound.value : -Infinity
end
includes?(range) click to toggle source
# File lib/activefacts/metamodel/extensions.rb, line 1085
def includes? range
  if ValueRange === range
    range.effective_minimum >= effective_minimum && range.effective_maximum <= effective_maximum
  # elsif Bound === range   # REVISIT: use self.includes?(range.value) with is_literal_string, etc
  else
    range >= effective_minimum && range <= effective_maximum
  end
end
inspect() click to toggle source
# File lib/activefacts/metamodel/extensions.rb, line 1072
def inspect
  to_s
end
to_s(infinity = true) click to toggle source
# File lib/activefacts/metamodel/extensions.rb, line 1042
def to_s(infinity = true)
  min = minimum_bound
  max = maximum_bound
  # Open-ended string ranges will fail in Ruby

  if min = minimum_bound
    min = min.value
    if min.is_literal_string
      min_literal = min.literal.inspect.gsub(/\A"|"\Z/,"'")   # Escape string characters
    else
      min_literal = min.literal
    end
  else
    min_literal = infinity ? "-Infinity" : ""
  end
  if max = maximum_bound
    max = max.value
    if max.is_literal_string
      max_literal = max.literal.inspect.gsub(/\A"|"\Z/,"'")   # Escape string characters
    else
      max_literal = max.literal
    end
  else
    max_literal = infinity ? "Infinity" : ""
  end

  min_literal +
    (min_literal != (max&&max_literal) ? (".." + max_literal) : "")
end