class Kafo::DataTypes::String

Public Class Methods

new(min = :default, max = :default) click to toggle source
# File lib/kafo/data_types/string.rb, line 4
def initialize(min = :default, max = :default)
  @min = (min.to_s == 'default') ? 0 : min.to_i
  @max = (max.to_s == 'default') ? :infinite : max.to_i
end

Public Instance Methods

to_s() click to toggle source
# File lib/kafo/data_types/string.rb, line 9
def to_s
  if @min > 0 && @max == :infinite
    "string (at least #{@min} characters)"
  elsif @min == 0 && @max != :infinite
    "string (up to #{@max} characters)"
  elsif @min > 0 && @max != :infinite
    "string (between #{@min} and #{@max} characters)"
  else
    "string"
  end
end
valid?(input, errors = []) click to toggle source
# File lib/kafo/data_types/string.rb, line 21
def valid?(input, errors = [])
  unless input.is_a?(::String)
    errors << "#{input.inspect} is not a valid string"
    return false
  end

  errors << "#{input} must be at least #{@min}" if input.size < @min
  errors << "#{input} must be up to #{@max}" if @max != :infinite && input.size > @max

  return errors.empty?
end