Class: Pubid::Nist::Identifier

Inherits:
Identifier
  • Object
show all
Defined in:
lib/pubid/nist/identifiers/base.rb

Overview

NIST/NBS flavor base class. Canonical name Pubid::Nist::Identifier; every concrete NIST identifier (Identifiers::*) descends from it. Being a real Pubid::Identifier subclass gives native is_a? identity and the shared polymorphic from_hash.

Constant Summary collapse

COMPACT_FLAT_CODES =

Compact, index-friendly serialization (mirrors the key_value flavors ISO/ITU/ETSI, without a 38-field key_value block). Two transforms, applied symmetrically by to_hash/from_hash so the round-trip stays idempotent:

- flatten the single-value Code components (series, number) to bare
scalars — `value` is the only stored field. NIST's
`Components::Code#part` is a *computed* reader
(`value.split("-").last`), and prefix/subpart/parts are never
assigned on series/number, so the scalar `value` is lossless:
expand recomputes exactly what the object would compute anyway;
- flatten the plain single-value components (volume) to bare scalars
too — `Components::Volume` holds only `value`, so it expands to a
bare { "value" => … } with no part;
- drop the redundant build artifacts, decomposed pieces of the
canonical number that identity/rendering never read.
%w[series number subseries].freeze
COMPACT_FLAT_VALUES = 
%w[volume].freeze
COMPACT_DROP_ATTRS = 
%w[first_number second_number].freeze
EQUALITY_IGNORED_ATTRS =

Attributes that are build artifacts or rendering aliases, not part of an identifier's logical identity. They diverge between equally- valid spellings of the same id (e.g. long "Rev. 1" vs short "r1"):

- first_number/second_number: decomposed parts of the canonical
:number, retained from the parse for building
- parsed_format: records the input format for round-trip rendering
- subseries: derived from series+number (which SP subseries the
document belongs to); populated by the Builder for known SP
subseries codes. Ignored in equality so a manually-built id
without subseries set still equals a parsed one.
%i[
  first_number second_number parsed_format subseries
].freeze

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Identifier

apply_mappings, #base, #base_document, concrete_class_for, #dated_version_of?, #draft_of?, #drop_supplements, #edition_of?, #exclude, #has_supplement?, #includes?, #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?, #resolve_urn_generator, #root, #sibling_of?, #supplement_of?, #to_supplement_s, #to_urn, #urn_supplement_type, #urn_type_code, #year

Constructor Details

#initialize(**attributes) ⇒ Identifier

Returns a new instance of Identifier.



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# File 'lib/pubid/nist/identifiers/base.rb', line 172

def initialize(**attributes)
  super()

  attrs = self.class.attributes
  attributes.each do |key, value|
    next if value.nil?

    setter = :"#{key}="
    public_send(setter, value) if attrs.key?(key)
  end

  # NOTE: Compound number building is handled by the Builder class
  # Do NOT build compound numbers here - let the builder apply special patterns first
  # See lib/pubid/nist/builder.rb lines 368-472 for compound number logic
end

Class Method Details

.expand_code(value) ⇒ Object

A flattened Code scalar -> { "value" => …, "part" => }.



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# File 'lib/pubid/nist/identifiers/base.rb', line 58

def self.expand_code(value)
  code = { "value" => value }
  code["part"] = value.split("-").last if value.include?("-")
  code
end

.expand_compact_hash(data) ⇒ Object

Expand a compact hash in place-safe fashion: a scalar series/number becomes { "value" => …, "part" => }.



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# File 'lib/pubid/nist/identifiers/base.rb', line 44

def self.expand_compact_hash(data)
  return data unless data.is_a?(::Hash)

  out = data.dup
  COMPACT_FLAT_CODES.each do |key|
    out[key] = expand_code(out[key]) if out[key].is_a?(::String)
  end
  COMPACT_FLAT_VALUES.each do |key|
    out[key] = { "value" => out[key] } if out[key].is_a?(::String)
  end
  out
end

.from_hash(data, options = {}) ⇒ Object

Deserialize a (possibly compact) hash: expand the flattened scalars back into Code sub-hashes, then let the shared polymorphic from_hash do the real work. Nested base documents are expanded recursively by their own from_hash via apply_mappings, so only this level is touched.



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# File 'lib/pubid/nist/identifiers/base.rb', line 38

def self.from_hash(data, options = {})
  super(expand_compact_hash(data), options)
end

.parse(identifier) ⇒ Object

Delegate to the flavor module so callers can use Pubid::Nist::Identifier.parse consistently with other flavors.



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# File 'lib/pubid/nist/identifiers/base.rb', line 11

def self.parse(identifier)
  Pubid::Nist.parse(identifier)
end

.typed_stages ⇒ Object

Default: no typed stages. Subclasses override as needed.



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# File 'lib/pubid/nist/identifiers/base.rb', line 87

def self.typed_stages
  []
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql?

Logical identity comparison: equal when every attribute except the build artifacts/aliases above matches. (Edition#== already ignores its rendering-only original_prefix.)



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# File 'lib/pubid/nist/identifiers/base.rb', line 205

def ==(other)
  return false unless other.instance_of?(self.class)

  self.class.attributes.each_key.all? do |name|
    EQUALITY_IGNORED_ATTRS.include?(name) || public_send(name) == other.public_send(name)
  end
end

#append_mr_components(skip_part: false) ⇒ Object

Render the optional component tail for machine-readable (MR) form. Mirrors #append_short_components so the MR output is just as lossless; subclasses that override #to_mr_style reuse this instead of hand-listing components. skip_part: behaves as in the short helper.



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# File 'lib/pubid/nist/identifiers/base.rb', line 644

def append_mr_components(skip_part: false)
  result = ""
  effective_part = skip_part ? nil : part

  # Volume / Part components (pt1, v6n1, etc.)
  if volume.is_a?(Components::Volume) && effective_part.is_a?(Components::Part)
    result += "#{volume}#{effective_part}"
  elsif effective_part.is_a?(Components::Part)
    result += effective_part.to_s
  elsif volume && !issue_number && !effective_part
    result += (volume.is_a?(Components::Volume) ? volume.to_s : "v#{volume}")
  elsif volume && issue_number
    vol_str = volume.is_a?(Components::Volume) ? volume.to_s : "v#{volume}"
    result += "#{vol_str}n#{issue_number.number}"
  end

  # Use edition component - NO space before edition in MR format (per NIST spec)
  result += edition.to_s if edition

  # Use version_component
  result += version_component.to_s(:mr) if version_component

  # Supplement (e.g. ".9981sup7") - keep distinct documents distinct
  result += supplement_short

  # Use update_component
  result += update_component.to_s(:mr) if update_component

  # Use stage
  result += ".#{stage.to_s(:mr)}" if stage

  # Add addendum - render as ".Add." suffix in MR format
  if addendum || addendum_number
    result += ".Add."
  end

  # Use translation_component
  result += translation_component.to_s(:mr) if translation_component

  result
end

#append_short_components(skip_part: false) ⇒ Object

Render the optional component "tail" that follows publisher/series/number in short (human) form. Extracted from #to_short_style so subclasses that build a series-specific prefix can reuse it instead of hand-listing components (and forgetting some).

skip_part: true lets a series that renders its part differently (e.g. FIPS uses dash "-1", not "pt1") emit the part itself and skip the generic part rendering here, while still getting volume/edition/ supplement/etc.



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# File 'lib/pubid/nist/identifiers/base.rb', line 523

def append_short_components(skip_part: false)
  result = ""
  effective_part = skip_part ? nil : part

  # Volume and Part components (v6n1 notation for CSM, pt1 for SP)
  if volume.is_a?(Components::Volume) && effective_part.is_a?(Components::Part)
    # CSM series: v#n# notation
    result += " #{volume}#{effective_part}"
  elsif effective_part.is_a?(Components::Part)
    # SP and other series: use Part.type to determine format
    result += effective_part.to_s
  # Legacy: Render standalone volume (not part of v#n#)
  elsif volume && !issue_number && !effective_part
    vol_str = volume.is_a?(Components::Volume) ? volume.to_s : "v#{volume}"
    result += vol_str
  elsif volume && issue_number
    # Render volume and issue number in short form: "v6n12"
    vol_str = volume.is_a?(Components::Volume) ? volume.to_s : "v#{volume}"
    result += "#{vol_str}n#{issue_number.number}"
  end

  # Use edition component properly (e2, e2021, r5, -3)
  # NO space before edition when number present (per NIST spec)
  # Only add space for bare edition (no number case) or if original_prefix has specific format
  if edition
    if edition.original_prefix && !edition.original_prefix.empty?
      # original_prefix includes the full prefix (e.g., " Rev. " for verbose format)
      result += edition.to_s
    elsif number
      # Number present, NO space: "800-53r5"
      result += edition.to_s
    else
      # Bare edition, add space: " r5"
      result += " #{edition}"
    end
  end

  # Use version_component if available, else use version string.
  # Attach directly (no leading space) to match edition rendering
  # (e.g. "800-53r5"), so version reads "800-45ver2" not
  # "800-45 ver2".
  if version_component
    result += version_component.to_s(:short)
  elsif version
    result += "ver#{version}"
  end

  # Add supplement. NIST/NBS canonical short form is single-p "sup"
  # with the suffix attached directly, no dash (relaton-data-nist
  # uses "sup2", "sup1940", "supA"); date-range keeps its inner dash.
  # Rendered from the structured component; a present-but-empty
  # component is the bare "sup" marker.
  result += supplement_short

  # Add other attributes
  result += errata.to_s if errata
  result += "index" if index
  result += "insert" if insert
  result += "sec#{section}" if section
  result += "app" if appendix

  # Add addendum - render as " Add." suffix
  if addendum || addendum_number
    result += " Add."
  end

  # Use update_component if available, else use update string
  if update_component
    result += update_component.to_s(:short)
  elsif update
    result += "-upd#{update}"
  end

  # Add draft - render as {N}pd if draft_number present
  if draft_number
    result += " #{draft_number}pd"
  elsif draft&.to_s&.include?("draft") && !draft.to_s.include?("Draft)")
    result += "-draft"
  end

  # Add stage component (at end, before translation)
  if stage
    result += " #{stage.to_s(:short)}"
  end

  # Use translation_component if available, else use translation string
  # Note: translation_component.to_s already includes the space prefix
  if translation_component
    result += translation_component.to_s(:short)
  elsif translation
    result += " #{translation}"
  end

  result
end

#default_publisher ⇒ Object

Default publisher for series without explicit publisher Subclasses can override



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# File 'lib/pubid/nist/identifiers/base.rb', line 728

def default_publisher
  "NIST"
end

#edition_greater?(edition1, edition2) ⇒ Boolean

Helper to compare edition values numerically

Returns:

  • (Boolean) —

    true if edition1 is greater than edition2



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# File 'lib/pubid/nist/identifiers/base.rb', line 383

def edition_greater?(edition1, edition2)
  num1 = extract_edition_number(edition1)
  num2 = extract_edition_number(edition2)
  num1 && num2 && num1 > num2
end

#extract_edition_number(edition) ⇒ Integer?

Extract numeric value from edition (r3 -> 3, r5 -> 5, e2 -> 2)

Returns:

  • (Integer, nil) —

    the edition number or nil if not extractable



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# File 'lib/pubid/nist/identifiers/base.rb', line 391

def extract_edition_number(edition)
  # Handle both String and Edition component
  edition_str = edition.to_s
  # Match patterns like r3, r5, e2, etc.
  match = edition_str.match(/^[er]?(\d+)$/)
  match ? match[1].to_i : nil
end

#hash ⇒ Object 



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# File 'lib/pubid/nist/identifiers/base.rb', line 215

def hash
  vals = self.class.attributes.each_key.reject do |name|
    EQUALITY_IGNORED_ATTRS.include?(name)
  end.map { |name| public_send(name) }
  [self.class, *vals].hash
end

#language ⇒ Object

Backward compatibility: language method returns translation_component This allows tests to use parsed.language instead of parsed.translation_component



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# File 'lib/pubid/nist/identifiers/base.rb', line 282

def language
  translation_component
end

#matches?(candidate) ⇒ Boolean

Wildcard / partial-identifier match. Treats self as a QUERY pattern and candidate as a concrete document: every ID part SET on the query must equal the candidate's, while parts left unset (nil/empty) are wildcards that match any value. So a query carrying no edition and no supplement matches that document across ALL editions, years, and supplements — the basis for "select docs by ID parts".

Asymmetric (unlike ==): "NBS CIRC 25".matches?("NBS CIRC 25sup1924") is true, but not the reverse. The candidate must be the same class or a subclass so series-level identity still holds.

Returns:

  • (Boolean) 


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# File 'lib/pubid/nist/identifiers/base.rb', line 232

def matches?(candidate)
  return false unless candidate.is_a?(self.class)

  self.class.attributes.each_key.all? do |name|
    next true if EQUALITY_IGNORED_ATTRS.include?(name)

    query_val = public_send(name)
    next true if query_val.nil?
    next true if query_val.is_a?(String) && query_val.empty?
    next true if query_val.is_a?(Array) && query_val.empty?

    query_val == candidate.public_send(name)
  end
end

#merge(document) ⇒ Base

Merge another document into this one Used for combining document data, preferring more specific values

Parameters:

  • document (Base) —

    another NIST document to merge

Returns:

  • (Base) —

    self with merged attributes



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# File 'lib/pubid/nist/identifiers/base.rb', line 347

def merge(document)
  return self unless document.is_a?(Pubid::Nist::Identifier)

  attrs = self.class.attributes
  attrs.each_key do |var_name|
    next if var_name == :rendering_style
    next if var_name == :parsed_format

    current_val = public_send(var_name)
    new_val = document.public_send(var_name)
    next unless new_val

    should_merge = case var_name
                   when :publisher, :series, :number
                     true
                   when :edition
                     current_val.nil? || edition_greater?(new_val,
                                                          current_val)
                   when :volume, :part, :version
                     current_val.nil? || (new_val.to_s.length > current_val.to_s.length)
                   when :supplement, :errata, :index, :insert, :section, :appendix, :translation
                     true
                   when :year, :month, :update, :draft
                     true
                   else
                     false
                   end

    public_send(:"#{var_name}=", new_val) if should_merge
  end

  self
end

#publisher_abbreviated_name ⇒ Object 



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# File 'lib/pubid/nist/identifiers/base.rb', line 715

def publisher_abbreviated_name
  case publisher.to_s
  when "NBS"
    "Natl. Bur. Stand."
  when "NIST"
    "Natl. Inst. Stand. Technol."
  else
    publisher.to_s
  end
end

#publisher_full_name ⇒ Object 



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# File 'lib/pubid/nist/identifiers/base.rb', line 704

def publisher_full_name
  case publisher.to_s
  when "NBS"
    "National Bureau of Standards"
  when "NIST"
    "National Institute of Standards and Technology"
  else
    publisher.to_s
  end
end

#render(format: :human, **opts) ⇒ Object

Override parent render to pass NIST-specific format option through to the renderer. Pubid::Identifier#render only forwards :with_edition; NIST needs :nist_format for multi-format support.



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# File 'lib/pubid/nist/identifiers/base.rb', line 289

def render(format: :human, **opts)
  registry = self.class.format_registry
  unless registry
    raise ArgumentError, "No format registry configured on #{self.class}"
  end

  renderer = registry.renderer_for(format)
  unless renderer
    raise ArgumentError, "No renderer registered for format: #{format}"
  end

  renderer.new(self).render(**opts)
end

#revision ⇒ String?

Derived, read-only revision string ("r5", "e1979", "-3") for backward compatibility. edition is the single stored representation; this is never persisted, compared, or merged — just a convenience view of it.

Returns:

  • (String, nil) —

    revision string (e.g., "r5") or nil



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# File 'lib/pubid/nist/identifiers/base.rb', line 270

def revision
  "#{edition.type}#{edition.id}" if edition&.type && edition.id
end

#series_abbreviated_name ⇒ Object 



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# File 'lib/pubid/nist/identifiers/base.rb', line 695

def series_abbreviated_name
  {
    "SP" => "Spec. Publ.",
    "FIPS" => "Fed. Inf. Proc. Stand.",
    "IR" => "Interag. Rep.",
    "TN" => "Tech. Note",
  }[series&.to_s || series_code] || (series&.to_s || series_code)
end

#series_code ⇒ Object

Default series_code — subclasses override to provide a normalized series name.



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# File 'lib/pubid/nist/identifiers/base.rb', line 168

def series_code
  nil
end

#series_full_name ⇒ Object 



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# File 'lib/pubid/nist/identifiers/base.rb', line 686

def series_full_name
  {
    "SP" => "Special Publication",
    "FIPS" => "Federal Information Processing Standards",
    "IR" => "Interagency Report",
    "TN" => "Technical Note",
  }[series] || series
end

#supplement_short ⇒ Object

Short-form supplement fragment ("sup", "sup1924", "supJan1924", "suprev", " supJun1925-Jun1926"), rendered from the structured component. A present-but-empty component is the bare "sup" marker; a number-less date range gets the leading space the number would have supplied. Shared by base and the per-series to_short_style overrides.



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# File 'lib/pubid/nist/identifiers/base.rb', line 258

def supplement_short
  return "" unless supplement

  prefix = supplement.range? && !number ? " " : ""
  rendered = supplement.to_s(:short)
  prefix + (rendered.empty? ? "sup" : rendered)
end

#to_abbreviated_style ⇒ Object 



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# File 'lib/pubid/nist/identifiers/base.rb', line 435

def to_abbreviated_style
  # "Natl. Inst. Stand. Technol. Spec. Publ. 800-57 Part 1, Revision 4"
  result = publisher_abbreviated_name
  result += " #{series_abbreviated_name}" if series
  result += " #{number}" if number
  result += " Part #{parts.first}" if parts&.any?

  # NEW: Use edition component properly
  result += " #{edition.to_s(:abbrev)}" if edition

  result += ", Revision #{revision}" if revision

  # V2: Use version_component
  result += " #{version_component.to_s(:abbrev)}" if version_component

  # V2: Use update_component
  result += " #{update_component.to_s(:abbrev)}" if update_component

  # V2: Use stage
  result += " #{stage.to_s(:abbrev)}" if stage

  # V2: Use translation_component
  result += ", #{translation_component.to_s(:abbrev)}" if translation_component

  result
end

#to_full_style ⇒ Object 



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# File 'lib/pubid/nist/identifiers/base.rb', line 401

def to_full_style
  # "National Institute of Standards and Technology Special Publication 800-27, Revision A"
  result = publisher_full_name
  result += " #{series_full_name}" if series
  result += " #{number.value}" if number
  result += parts.map { |p| "-#{p}" }.join if parts&.any?

  # Render volume and issue number in long form: "Vol. 6, No. 12"
  if volume && issue_number
    result += " Vol. #{volume}, #{issue_number.to_s(:long)}"
  elsif volume
    result += " Vol. #{volume}"
  end

  # NEW: Use edition component properly
  result += " #{edition.to_s(:long)}" if edition

  result += ", Revision #{revision.sub(/^r/, '')}" if revision

  # V2: Use version_component
  result += " #{version_component.to_s(:long)}" if version_component

  # V2: Use update_component
  result += " #{update_component.to_s(:long)}" if update_component

  # V2: Use stage
  result += " #{stage.to_s(:long)}" if stage

  # V2: Use translation_component (already includes space)
  result += translation_component.to_s(:long) if translation_component

  result
end

#to_hash(*args) ⇒ Object

Serialize, then apply the compact transforms (recursing into a nested base, which lutaml serialized via its own transform — bypassing this override — so it is not compacted otherwise).



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# File 'lib/pubid/nist/identifiers/base.rb', line 67

def to_hash(*args)
  hash = super
  compact_hash!(hash) if hash.is_a?(::Hash)
  hash
end

#to_mr_string ⇒ Object

NIST has its own defined MR format (to_mr_style) used by relaton-nist and downstream tooling. The generic Renderers::MrString does not know about NIST series, revisions, supplements, etc., so delegate to the established style for losslessness (issue #142).



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# File 'lib/pubid/nist/identifiers/base.rb', line 320

def to_mr_string
  to_mr_style
end

#to_mr_style ⇒ Object 



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# File 'lib/pubid/nist/identifiers/base.rb', line 619

def to_mr_style
  # "NIST.SP.800-116r1.ipd" (machine-readable with dots)
  result = (publisher || "NIST").to_s

  # Determine effective series - PREFER series_code if subclass defines it
  # This allows normalization (e.g., LCIRC → LC in LetterCircular)
  effective_series = if series_code
                       series_code
                     elsif series
                       series.to_s
                     end

  result += ".#{effective_series}" if effective_series
  result += ".#{number}" if number
  result += parts.map { |p| "-#{p}" }.join if parts&.any?

  result += append_mr_components

  result
end

#to_s(format = nil) ⇒ Object

Generate identifier string in specified format

Parameters:

  • format (:full, :long, :abbreviated, :short, :mr) (defaults to: nil) —

    output format



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# File 'lib/pubid/nist/identifiers/base.rb', line 305

def to_s(format = nil)
  # Handle both keyword argument (hash) and positional argument (symbol/string)
  format = format[:format] if format.is_a?(Hash)

  # Default to parsed_format if available (preserves input format on round-trip)
  # Falls back to :short format for output (normalization)
  # Explicit format parameter always overrides parsed_format
  render(format: :human,
         nist_format: format || parsed_format&.to_sym || :short)
end

#to_short_style ⇒ Object 



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# File 'lib/pubid/nist/identifiers/base.rb', line 462

def to_short_style
  # "SP 800-187" or "NIST SP 800-187" - handle compound series properly
  result = ""

  # Determine effective publisher
  # Only show publisher if it was explicitly parsed (either directly or from series prefix)
  effective_publisher = if publisher && publisher_was_parsed
                          # Publisher was in input (either as separate field or extracted from "NBS CS" series)
                          publisher.to_s
                        else
                          # No publisher in input, don't show default
                          nil
                        end

  # Determine effective series - PREFER series_code if subclass defines it
  # This allows normalization (e.g., LCIRC → LC in LetterCircular)
  effective_series = if series_code
                       series_code
                     elsif series
                       series.to_s
                     end

  # Special handling for compound series that include publisher prefix
  # If series starts with "NBS " (like "NBS CIRC"), use it as-is
  if effective_series&.start_with?("NBS ")
    result += effective_series
  elsif effective_publisher && effective_series
    result += "#{effective_publisher} #{effective_series}"
  elsif effective_series && publisher_was_parsed
    # Only add "NIST" prefix if publisher was explicitly in the input
    result += "NIST #{effective_series}"
  elsif effective_series
    # No publisher in input, just show series without prefix
    result += effective_series
  end

  result += " #{number}" if number
  result += parts.map { |p| "-#{p}" }.join if parts&.any?

  # "NIST Research Library (YYYY)" — oddball identifier with no number;
  # the year appears in parens rather than as a date component.
  result += " (#{year})" if year && !number

  # Append every optional component the parser may have attached
  # (volume, part, edition, version, supplement, update, stage, ...).
  # Shared with the lossy subclasses so they cannot silently drop a
  # distinguishing component and collide with another document.
  result += append_short_components

  result
end

#to_slug ⇒ Object

NIST's MR shape is fixed by the pubid standard and stays uppercase (e.g. NIST.SP.800-53). The slug, however, must be lowercase to match the cross-flavor convention; project the MR through downcase.



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# File 'lib/pubid/nist/identifiers/base.rb', line 327

def to_slug
  to_mr_string.downcase
end

#translation ⇒ Object

Backward compatibility: translation method returns translation_component This allows tests to use parsed.translation.language instead of parsed.translation_component.language



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# File 'lib/pubid/nist/identifiers/base.rb', line 276

def translation
  translation_component
end

#weight ⇒ Integer

Returns weight based on amount of defined attributes Used for ranking identifiers by specificity for conflict resolution

Returns:

  • (Integer) —

    weight score (higher = more specific)



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# File 'lib/pubid/nist/identifiers/base.rb', line 334

def weight
  self.class.attributes.keys.inject(0) do |sum, key|
    next sum if EQUALITY_IGNORED_ATTRS.include?(key)

    val = public_send(key)
    val && !val.to_s.empty? ? sum + 1 : sum
  end
end