Module: Lab42::BasicConstraints

Extended by:
BasicConstraints
Included in:
BasicConstraints
Defined in:
lib/lab42/basic_constraints.rb,
lib/lab42/basic_constraints/version.rb,
lib/lab42/basic_constraints/constraint.rb,
lib/lab42/basic_constraints/implementation.rb,
lib/lab42/basic_constraints/constraints/int.rb,
lib/lab42/basic_constraints/helpers/range_helper.rb

Defined Under Namespace

Modules: Helpers, Implementation Classes: Constraint

Constant Summary collapse

Constraints = 
{
   all_digits_string: :all_digits_string,
   alphanumeric_string: :alphanumeric_string,

   bool: ->(x){[false, true].include? x},

   date: :date,
   date_time: :date_time,
   day: :day,

   hour: :hour,

   int: Integer,
   int_range: :int_range,

   limited_string: :limited_string,
   lowercase_string: :lowercase_string,

   minute: :minute,
   month: :month,

   non_negative_int: :non_negative_int,
   non_negative_number: :non_negative_number,
   number: Numeric,

   positive_int: :positive_int,
   positive_number: :positive_number,

   second: :second,
   string: String,

   uppercase_string: :uppercase_string,

   year: :year
}
VERSION = 
"0.2.0"
ConstraintError = 
Class.new RuntimeError
MissingDefaultError = 
Class.new RuntimeError

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, **kwds) ⇒ Object 



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# File 'lib/lab42/basic_constraints.rb', line 57

def method_missing(name, *args, **kwds)
  from_symbol(name, *args, **kwds) {super}
end

Instance Method Details

#all_constraints ⇒ Object 



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# File 'lib/lab42/basic_constraints.rb', line 39

def all_constraints
  Constraints.keys
end

#from_symbol(name, *args, **kwds, &blk) ⇒ Object 



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# File 'lib/lab42/basic_constraints.rb', line 43

def from_symbol name, *args, **kwds, &blk
  cons = Constraints.fetch(name, &blk)
  case cons
  # when Constraint
  #   cons
  when Proc
    Constraint.new(name, &cons)
  when Symbol
    Implementation.send(cons, *args, **kwds)
  when Class
    Constraint.new(name){ cons === _1 }
  end
end