Class: Membrane::Schema::List

Inherits:
Base
  • Object
show all
Defined in:
lib/membrane/schema/list.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#deparse

Constructor Details

#initialize(elem_schema) ⇒ List

Returns a new instance of List.



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# File 'lib/membrane/schema/list.rb', line 12

def initialize(elem_schema)
  @elem_schema = elem_schema
end

Instance Attribute Details

#elem_schema ⇒ Object (readonly)

Returns the value of attribute elem_schema.



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# File 'lib/membrane/schema/list.rb', line 10

def elem_schema
  @elem_schema
end

Instance Method Details

#validate(object) ⇒ Object 



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# File 'lib/membrane/schema/list.rb', line 16

def validate(object)
  if !object.kind_of?(Array)
    emsg = "Expected instance of Array, given instance of #{object.class}"
    raise Membrane::SchemaValidationError.new(emsg)
  end

  errors = {}

  object.each_with_index do |elem, ii|
    begin
      @elem_schema.validate(elem)
    rescue Membrane::SchemaValidationError => e
      errors[ii] = e.to_s
    end
  end

  if errors.size > 0
    emsg = errors.map { |ii, e| "At index #{ii}: #{e}" }.join(", ")
    raise Membrane::SchemaValidationError.new(emsg)
  end
end