Class: Pubid::Isbn::Identifier

Inherits:
Pubid::Identifier show all
Defined in:
lib/pubid/isbn/identifier.rb

Direct Known Subclasses

Pubid::Isbn::Identifiers::Book

Constant Summary collapse

ISBN_TYPE_MAP = 
{
  "pubid:isbn:book" => "Pubid::Isbn::Identifiers::Book",
}.freeze
PUBLISHER = 
"ISBN"

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Pubid::Identifier

apply_mappings, #base, #base_document, concrete_class_for, #dated_version_of?, #draft_of?, #drop_supplements, #edition_of?, #eql?, #exclude, from_hash, #has_supplement?, #hash, #includes?, #initialize, #matches?, #mr_all_parts, #mr_edition, #mr_languages, #mr_number, #mr_number_with_part, #mr_part, #mr_publisher, #mr_subpart, #mr_supplement_suffix, #mr_type, #mr_year, #new_edition_of?, polymorphic_name, polymorphic_type_map, #related_to?, #render, #resolve_urn_generator, #root, #sibling_of?, #supplement_of?, #to_hash, #to_mr_string, #to_slug, #to_supplement_s, #to_urn, #urn_supplement_type, #urn_type_code, #year

Constructor Details

This class inherits a constructor from Pubid::Identifier

Class Method Details

.parse(identifier) ⇒ Object 



46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/pubid/isbn/identifier.rb', line 46

def self.parse(identifier)
  if identifier.length > Pubid::MAX_INPUT_LENGTH
    raise ArgumentError, Pubid::INPUT_TOO_LONG_MESSAGE
  end

  parsed = Parser.parse(identifier)
  Builder.build(parsed)
rescue Parslet::ParseFailed => e
  raise "Failed to parse ISBN '#{identifier}': #{e.message}"
rescue ArgumentError => e
  # Builder validates length/check-digit; surface as a parse error so
  # the error contract matches other flavors (always raises a string
  # beginning with "Failed to parse").
  raise "Failed to parse ISBN '#{identifier}': #{e.message}"
end

Instance Method Details

#check_digit ⇒ Object 



34
35
36
 
# File 'lib/pubid/isbn/identifier.rb', line 34

def check_digit
  raw.to_s[-1]
end

#form ⇒ Object

Returns :isbn10 or :isbn13.



26
27
28
29
30
31
32
 
# File 'lib/pubid/isbn/identifier.rb', line 26

def form
  case raw.to_s.length
  when 10 then :isbn10
  when 13 then :isbn13
  else raise "Invalid ISBN length: #{raw.inspect}"
  end
end

#to_s(**opts) ⇒ Object 



42
43
44
 
# File 'lib/pubid/isbn/identifier.rb', line 42

def to_s(**opts)
  render(format: :human, **opts)
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


38
39
40
 
# File 'lib/pubid/isbn/identifier.rb', line 38

def valid?
  CheckDigit.valid?(raw)
end