# Registry to store and locate known Validators.

module Validations

module_function

def validators

@validators ||= {}

end

# Register a new validator, so it can be used to validate parameters.

# @param short_name [String] all lower-case, no spaces

# @param klass [Class] the validator class. Should inherit from

# Validations::Base.

def register_validator(short_name, klass)

validators[short_name] = klass

end

def deregister_validator(short_name)

validators.delete(short_name)

end

# Find a validator and if not found will try to load it

def require_validator(short_name)

str_name = short_name.to_s

validators.fetch(str_name) do

Grape::Validations::Validators.const_get("#{str_name.camelize}Validator")

end

rescue NameError

raise Grape::Exceptions::UnknownValidator.new(short_name)

end

end