Class: Yamo::Validator

Inherits:
Object
  • Object
show all
Defined in:
lib/yamo/validator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(schema) ⇒ Validator

Returns a new instance of Validator.



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# File 'lib/yamo/validator.rb', line 14

def initialize(schema)
  @hook = nil

  metavalidator = Kwalify::MetaValidator.instance
  parser = Kwalify::Yaml::Parser.new(metavalidator)
  @schema = parser.parse_file(schema)
  
  if parser.errors and !parser.errors.empty?
    raise Yamo::ValidateError, parser.errors
  end

  @validator = Kwalify::Validator.new(@schema)
end

Instance Attribute Details

#hook ⇒ Object

Returns the value of attribute hook.



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# File 'lib/yamo/validator.rb', line 12

def hook
  @hook
end

#schema ⇒ Object (readonly)

Returns the value of attribute schema.



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# File 'lib/yamo/validator.rb', line 11

def schema
  @schema
end

Instance Method Details

#load_and_validate_source(src, yaml, file) ⇒ Object 



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# File 'lib/yamo/validator.rb', line 36

def load_and_validate_source(src, yaml, file)
  errors = nil
  doc = nil
  
  if yaml
    parser = Kwalify::Yaml::Parser.new(validator)
    if file
      doc = parser.parse_file(src)
    else
      doc = parser.parse(src)
    end
    errors = parser.errors()
  else
    if file
      doc = eval(IO.readlines(src).join(""))
    else
      doc = eval(src)
    end

    if doc.class != Hash
      raise Yamo::ValidateError, "data did not produce a Hash"
    end

    doc = if @hook.respond_to?(:pre_validate) then @hook.pre_validate(doc) else doc end
    errors = @validator.validate(doc)
  end

  if errors and !errors.empty?
    raise Yamo::ValidateError, "\n#{file ? src : 'input'} did not validate:\n" + errors.join("\n")
  end

  if @hook.respond_to?(:post_validate) then @hook.post_validate(doc) else doc end
end