class Grape::Validations::Validator
All validators must inherit from this class.
We define Validator::inherited
here so SingleOptionValidator
will not be considered a validator.
Attributes
attrs[R]
Public Class Methods
convert_to_short_name(klass)
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# File lib/grape/validations.rb, line 46 def self.convert_to_short_name(klass) ret = klass.name.gsub(/::/, '/') .gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2') .gsub(/([a-z\d])([A-Z])/, '\1_\2') .tr("-", "_") .downcase File.basename(ret, '_validator') end
inherited(klass)
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# File lib/grape/validations.rb, line 68 def self.inherited(klass) short_name = convert_to_short_name(klass) Validations.register_validator(short_name, klass) end
new(attrs, options, required, scope)
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# File lib/grape/validations.rb, line 9 def initialize(attrs, options, required, scope) @attrs = Array(attrs) @required = required @scope = scope if options.is_a?(Hash) && !options.empty? raise Grape::Exceptions.UnknownOptions.new(options.keys) end end
Public Instance Methods
validate!(params)
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# File lib/grape/validations.rb, line 19 def validate!(params) attributes = AttributesIterator.new(self, @scope, params) attributes.each do |resource_params, attr_name| if @required || resource_params.key?(attr_name) validate_param!(attr_name, resource_params) end end end