Class: Natsuzora::Contract::Field

Inherits:
Object
  • Object
show all
Defined in:
lib/natsuzora/contract/field.rb

Overview

A field with optional diff marker and type change information.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(current_type, marker: nil, next_type: nil) ⇒ Field

Returns a new instance of Field.



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# File 'lib/natsuzora/contract/field.rb', line 12

def initialize(current_type, marker: nil, next_type: nil)
  @marker = marker
  @current_type = current_type
  @next_type = next_type
end

Instance Attribute Details

#current_type ⇒ Object (readonly)

Returns the value of attribute current_type.



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# File 'lib/natsuzora/contract/field.rb', line 10

def current_type
  @current_type
end

#marker ⇒ Object (readonly)

Returns the value of attribute marker.



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# File 'lib/natsuzora/contract/field.rb', line 10

def marker
  @marker
end

#next_type ⇒ Object (readonly)

Returns the value of attribute next_type.



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# File 'lib/natsuzora/contract/field.rb', line 10

def next_type
  @next_type
end

Class Method Details

.added(contract) ⇒ Object

Create an added field (+).



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# File 'lib/natsuzora/contract/field.rb', line 24

def self.added(contract)
  new(contract, marker: DiffMarker::ADDED)
end

.changed(current, next_type) ⇒ Object

Create a changed field (*).



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# File 'lib/natsuzora/contract/field.rb', line 34

def self.changed(current, next_type)
  new(current, marker: DiffMarker::CHANGED, next_type: next_type)
end

.new_plain(contract) ⇒ Object

Create a field without diff marker.



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# File 'lib/natsuzora/contract/field.rb', line 19

def self.new_plain(contract)
  new(contract)
end

.removed(contract) ⇒ Object

Create a removed field (-).



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# File 'lib/natsuzora/contract/field.rb', line 29

def self.removed(contract)
  new(contract, marker: DiffMarker::REMOVED)
end

Instance Method Details

#for_target(target) ⇒ Object

Get the contract for the specified target generation. NOTE: Diff resolution table here mirrors TypeDef#available? — keep in sync.



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# File 'lib/natsuzora/contract/field.rb', line 40

def for_target(target)
  # rubocop:disable Lint/DuplicateBranch
  case [@marker, target]
  in [nil, _]
    @current_type
  in [DiffMarker::ADDED, ValidationTarget::CURRENT]
    nil
  in [DiffMarker::ADDED, ValidationTarget::NEXT]
    @current_type
  in [DiffMarker::REMOVED, ValidationTarget::CURRENT]
    @current_type
  in [DiffMarker::REMOVED, ValidationTarget::NEXT]
    nil
  in [DiffMarker::CHANGED, ValidationTarget::CURRENT]
    @current_type
  in [DiffMarker::CHANGED, ValidationTarget::NEXT]
    @next_type
  end
  # rubocop:enable Lint/DuplicateBranch
end