2009-02-03 04:21:32 +01:00
|
|
|
# Extracted from dm-validations 0.9.10
|
|
|
|
#
|
|
|
|
# Copyright (c) 2007 Guy van den Berg
|
|
|
|
#
|
|
|
|
# Permission is hereby granted, free of charge, to any person obtaining
|
|
|
|
# a copy of this software and associated documentation files (the
|
|
|
|
# "Software"), to deal in the Software without restriction, including
|
|
|
|
# without limitation the rights to use, copy, modify, merge, publish,
|
|
|
|
# distribute, sublicense, and/or sell copies of the Software, and to
|
|
|
|
# permit persons to whom the Software is furnished to do so, subject to
|
|
|
|
# the following conditions:
|
|
|
|
#
|
|
|
|
# The above copyright notice and this permission notice shall be
|
|
|
|
# included in all copies or substantial portions of the Software.
|
|
|
|
#
|
|
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
|
|
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
|
|
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
|
|
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
|
|
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
|
|
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
|
|
|
|
require 'pathname'
|
|
|
|
require Pathname(__FILE__).dirname.expand_path + 'formats/email'
|
|
|
|
require Pathname(__FILE__).dirname.expand_path + 'formats/url'
|
|
|
|
|
|
|
|
module CouchRest
|
|
|
|
module Validation
|
|
|
|
|
|
|
|
##
|
|
|
|
#
|
|
|
|
# @author Guy van den Berg
|
|
|
|
# @since 0.9
|
|
|
|
class FormatValidator < GenericValidator
|
|
|
|
|
|
|
|
FORMATS = {}
|
|
|
|
include CouchRest::Validation::Format::Email
|
|
|
|
include CouchRest::Validation::Format::Url
|
|
|
|
|
|
|
|
def initialize(field_name, options = {}, &b)
|
|
|
|
super(field_name, options)
|
|
|
|
@field_name, @options = field_name, options
|
|
|
|
@options[:allow_nil] = false unless @options.has_key?(:allow_nil)
|
|
|
|
end
|
|
|
|
|
|
|
|
def call(target)
|
|
|
|
value = target.validation_property_value(field_name)
|
|
|
|
return true if @options[:allow_nil] && value.nil?
|
|
|
|
|
|
|
|
validation = @options[:as] || @options[:with]
|
|
|
|
|
|
|
|
raise "No such predefined format '#{validation}'" if validation.is_a?(Symbol) && !FORMATS.has_key?(validation)
|
|
|
|
validator = validation.is_a?(Symbol) ? FORMATS[validation][0] : validation
|
|
|
|
|
|
|
|
valid = case validator
|
|
|
|
when Proc then validator.call(value)
|
|
|
|
when Regexp then value =~ validator
|
|
|
|
else
|
|
|
|
raise UnknownValidationFormat, "Can't determine how to validate #{target.class}##{field_name} with #{validator.inspect}"
|
|
|
|
end
|
|
|
|
|
|
|
|
return true if valid
|
|
|
|
|
|
|
|
error_message = @options[:message] || ValidationErrors.default_error_message(:invalid, field_name)
|
|
|
|
|
2009-03-18 19:32:49 +01:00
|
|
|
field = CouchRest.humanize(field_name)
|
2009-02-03 04:21:32 +01:00
|
|
|
error_message = error_message.call(field, value) if error_message.respond_to?(:call)
|
|
|
|
|
|
|
|
add_error(target, error_message, field_name)
|
|
|
|
|
|
|
|
false
|
|
|
|
end
|
|
|
|
|
|
|
|
#class UnknownValidationFormat < StandardError; end
|
|
|
|
|
|
|
|
end # class FormatValidator
|
|
|
|
|
|
|
|
module ValidatesFormat
|
|
|
|
|
|
|
|
##
|
|
|
|
# Validates that the attribute is in the specified format. You may use the
|
|
|
|
# :as (or :with, it's an alias) option to specify the pre-defined format
|
|
|
|
# that you want to validate against. You may also specify your own format
|
|
|
|
# via a Proc or Regexp passed to the the :as or :with options.
|
|
|
|
#
|
|
|
|
# @option :allow_nil<Boolean> true/false (default is true)
|
|
|
|
# @option :as<Format, Proc, Regexp> the pre-defined format, Proc or Regexp to validate against
|
|
|
|
# @option :with<Format, Proc, Regexp> an alias for :as
|
|
|
|
#
|
|
|
|
# @details [Pre-defined Formats]
|
|
|
|
# :email_address (format is specified in DataMapper::Validation::Format::Email)
|
|
|
|
# :url (format is specified in DataMapper::Validation::Format::Url)
|
|
|
|
#
|
|
|
|
# @example [Usage]
|
|
|
|
#
|
|
|
|
# class Page
|
|
|
|
#
|
|
|
|
# property :email, String
|
|
|
|
# property :zip_code, String
|
|
|
|
#
|
|
|
|
# validates_format :email, :as => :email_address
|
|
|
|
# validates_format :zip_code, :with => /^\d{5}$/
|
|
|
|
#
|
|
|
|
# # a call to valid? will return false unless:
|
|
|
|
# # email is formatted like an email address
|
|
|
|
# # and
|
|
|
|
# # zip_code is a string of 5 digits
|
|
|
|
#
|
|
|
|
def validates_format(*fields)
|
|
|
|
opts = opts_from_validator_args(fields)
|
|
|
|
add_validator_to_context(opts, fields, CouchRest::Validation::FormatValidator)
|
|
|
|
end
|
|
|
|
|
|
|
|
end # module ValidatesFormat
|
|
|
|
end # module Validation
|
|
|
|
end # module CouchRest
|