Class: MediaTypes::Scheme::RulesExhaustedGuard

Inherits:
Object
  • Object
show all
Defined in:
lib/media_types/scheme/rules_exhausted_guard.rb

Constant Summary collapse

EMPTY_MARK = 
->(_) {}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(output, options, rules:) ⇒ RulesExhaustedGuard

Returns a new instance of RulesExhaustedGuard.



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# File 'lib/media_types/scheme/rules_exhausted_guard.rb', line 18

def initialize(output, options, rules:)
  self.rules = rules
  self.output = output
  self.options = options
end

Class Method Details

.call(*args, **opts, &block) ⇒ Object 



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# File 'lib/media_types/scheme/rules_exhausted_guard.rb', line 13

def call(*args, **opts, &block)
  new(*args, **opts).call(&block)
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/media_types/scheme/rules_exhausted_guard.rb', line 24

def call
  unless options.exhaustive
    return iterate(EMPTY_MARK)
  end

  required_rules = rules.required
  # noinspection RubyScope
  result = iterate(->(key) { required_rules.remove(key) })
  return result if required_rules.empty?

  raise_exhausted!(missing_keys: required_rules.keys, backtrace: options.backtrace, found: output)
end

#iterate(mark) ⇒ Object 



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# File 'lib/media_types/scheme/rules_exhausted_guard.rb', line 37

def iterate(mark)
  OutputIteratorWithPredicate.call(output, options, rules: rules) do |key, value, options:, context:|
    mark.call(key)

    rules.get(key).validate!(
      value,
      options.trace(key),
      context: context
    )
  end
end