Class: Itsi::Server::Config::TypedStruct::Validation

Inherits:
Object
  • Object
show all
Defined in:
lib/itsi/server/config/typed_struct.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, validations) ⇒ Validation

Returns a new instance of Validation.



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# File 'lib/itsi/server/config/typed_struct.rb', line 93

def initialize(name, validations)
  @name = name.to_s
  @validations = Array(validations)
  @next = nil
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/itsi/server/config/typed_struct.rb', line 90

def name
  @name
end

#next ⇒ Object

Returns the value of attribute next.



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# File 'lib/itsi/server/config/typed_struct.rb', line 91

def next
  @next
end

#validations ⇒ Object (readonly)

Returns the value of attribute validations.



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# File 'lib/itsi/server/config/typed_struct.rb', line 90

def validations
  @validations
end

Instance Method Details

#&(other) ⇒ Object 



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# File 'lib/itsi/server/config/typed_struct.rb', line 103

def &(other)
  tail = self
  tail = tail.next while tail.next
  tail.next = other
  self
end

#default(value) ⇒ Object 



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# File 'lib/itsi/server/config/typed_struct.rb', line 110

def default(value)
  [value, self]
end

#inspect ⇒ Object 



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# File 'lib/itsi/server/config/typed_struct.rb', line 99

def inspect
  "#{@name}"
end

#validate!(value) ⇒ Object 



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# File 'lib/itsi/server/config/typed_struct.rb', line 114

def validate!(value)
  value = value.to_s if value.is_a?(Symbol)
  @validations.each do |validation|
    case validation
    when Proc
      validation.call(value)
    when Array
      unless !value || validation.include?(value)
        raise ArgumentError,
              "─ `#{@name}` validation failed. Invalid #{validation} value: #{value.inspect}"
      end
    when Range
      unless !value || validation.include?(value)
        raise ArgumentError,
              "─ `#{@name}` validation failed. Invalid #{validation} value: #{value.inspect}"
      end
    when Regexp
      unless !value || validation.match?(value)
        raise ArgumentError,
              "─ `#{@name}` validation failed. Invalid #{validation} value: #{value.inspect}"
      end
    when Validation
      validation.validate!(value)
    when Class
      if value && !value.is_a?(validation)
        begin
          value = \
            if validation.eql?(Time) then Time.parse(value.to_s)
            elsif validation.eql?(::Date) then Date.parse(value.to_s)
            elsif validation.eql?(Float) then Float(value)
            elsif validation.eql?(Integer) then Integer(value)
            elsif validation.eql?(Proc)
              raise ArgumentError, "Invalid #{validation} value: #{value.inspect}" unless value.is_a?(Proc)
            elsif validation.eql?(String) || validation.eql?(Symbol)
              unless value.is_a?(String) || value.is_a?(Symbol)
                raise ArgumentError,
                      "Invalid #{validation} value: #{value.inspect}"
              end

              if validation.eql?(String)
                value.to_s
              elsif validation.eql?(Symbol)
                value.to_s.to_sym
              end
            else
              validation.new(value)
            end
        rescue StandardError => e
          raise ArgumentError,
                "─ `#{@name}` Validation Failed. Invalid #{validation.to_s.split("::").last} value: #{value.inspect}. Failure reason: \n  └─ #{e.message}"
        end
      end
    end
  end
  if self.next
    self.next.validate!(value)
  else
    value
  end
end