Class: AssertValidContent::Validator

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

Overview

Base class for all content validators

Direct Known Subclasses

LibXML::HTML, W3C::CSS

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Validator

:nodoc:



39
40
41
 
# File 'lib/assert_valid_content/validator.rb', line 39

def initialize  #:nodoc:
  @errors = []
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Validation errors



37
38
39
 
# File 'lib/assert_valid_content/validator.rb', line 37

def errors
  @errors
end

Class Method Details

.validates(type) ⇒ Object

Register a derived class as a validator for content of type type



51
52
53
 
# File 'lib/assert_valid_content/validator.rb', line 51

def self.validates( type )
  AssertValidContent.validators[type] << self
end

Instance Method Details

#to_s ⇒ Object

Returns an error message listing validation errors (or nil if there were none).



44
45
46
47
 
# File 'lib/assert_valid_content/validator.rb', line 44

def to_s
  return nil  unless @errors
  "#{self.class.name} validation failed:\n" + @errors.map { |e|  "  #{e.to_s}" }.join("\n")
end