Module: Jazzy::SourceKitten

Defined in:
lib/jazzy/sourcekitten.rb

Overview

This module interacts with the sourcekitten command-line executable

Constant Summary collapse

AUTOLINK_TEXT_FIELDS = 
%w[return
abstract
unavailable_message
deprecation_message].freeze
%w[declaration
other_language_declaration].freeze

Class Method Summary collapse

Class Method Details

.ancestor_name_match(name_part, doc) ⇒ Object

Find the first ancestor of doc whose name matches name_part.



718
719
720
721
722
723
724
725
 
# File 'lib/jazzy/sourcekitten.rb', line 718

def self.ancestor_name_match(name_part, doc)
  doc.namespace_ancestors.reverse_each do |ancestor|
    if match = name_match(name_part, ancestor.children)
      return match
    end
  end
  nil
end

.arguments_from_options(options) ⇒ Object

Builds SourceKitten arguments based on Jazzy options



192
193
194
195
196
197
198
199
200
201
202
203
204
205
 
# File 'lib/jazzy/sourcekitten.rb', line 192

def self.arguments_from_options(options)
  arguments = ['doc']
  if options.objc_mode
    arguments += objc_arguments_from_options(options)
  else
    arguments += ['--spm'] if use_spm?(options)
    if options.module_name_configured
      arguments += ['--module-name', options.module_name]
    end
    arguments += ['--']
  end

  arguments + options.build_tool_arguments
end

.attribute_regexp(name) ⇒ Object

Regexp to match an @attribute. Complex to handle @available().



368
369
370
371
372
373
374
375
376
377
378
 
# File 'lib/jazzy/sourcekitten.rb', line 368

def self.attribute_regexp(name)
  qstring = /"(?:[^"\\]*|\\.)*"/
  %r{@#{name}      # @attr name
    (?:\s*\(       # optionally followed by spaces + parens,
      (?:          # containing any number of either..
        [^")]*|    # normal characters or...
        #{qstring} # quoted strings.
      )*           # (end parens content)
    \))?           # (end optional parens)
  }x
end

.autolink(docs, root_decls) ⇒ Object 



779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
 
# File 'lib/jazzy/sourcekitten.rb', line 779

def self.autolink(docs, root_decls)
  @autolink_root_decls = root_decls
  docs.each do |doc|
    doc.children = autolink(doc.children, root_decls)

    AUTOLINK_TEXT_FIELDS.each do |field|
      if text = doc.send(field)
        doc.send(field + '=', autolink_text(text, doc, root_decls))
      end
    end

    AUTOLINK_HIGHLIGHT_FIELDS.each do |field|
      if text = doc.send(field)
        doc.send(field + '=', autolink_text(text, doc, root_decls, true))
      end
    end

    (doc.parameters || []).each do |param|
      param[:discussion] =
        autolink_text(param[:discussion], doc, root_decls)
    end
  end
end

.autolink_document(html, doc) ⇒ Object

For autolinking external markdown documents



804
805
806
 
# File 'lib/jazzy/sourcekitten.rb', line 804

def self.autolink_document(html, doc)
  autolink_text(html, doc, @autolink_root_decls || [])
end

.autolink_text(text, doc, root_decls, after_highlight = false) ⇒ Object

Links recognized top-level declarations within

  • inlined code within docs

  • method signatures after they’ve been processed by the highlighter

The ‘after_highlight` flag is used to differentiate between the two modes.



740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
 
# File 'lib/jazzy/sourcekitten.rb', line 740

def self.autolink_text(text, doc, root_decls, after_highlight = false)
  text.autolink_block(doc.url, '[^\s]+', after_highlight) do |raw_name|
    parts = raw_name
            .split(/(?<!\.)\.(?!\.)/) # dot with no neighboring dots
            .reject(&:empty?)

    # First dot-separated component can match any ancestor or top-level doc
    first_part = parts.shift
    name_root = ancestor_name_match(first_part, doc) ||
                name_match(first_part, root_decls)

    # Traverse children via subsequence components, if any
    name_traversal(parts, name_root)
  end.autolink_block(doc.url, '[+-]\[\w+(?: ?\(\w+\))? [\w:]+\]',
                     after_highlight) do |raw_name|
    match = raw_name.match(/([+-])\[(\w+(?: ?\(\w+\))?) ([\w:]+)\]/)

    # Subject component can match any ancestor or top-level doc
    subject = match[2].delete(' ')
    name_root = ancestor_name_match(subject, doc) ||
                name_match(subject, root_decls)

    if name_root
      # Look up the verb in the subject’s children
      name_match(match[1] + match[3], name_root.children)
    end
  end.autolink_block(doc.url, '[+-]\w[\w:]*', after_highlight) do |raw_name|
    name_match(raw_name, doc.children)
  end
end

.availability_attribute?(doc) ⇒ Boolean

Returns:

  • (Boolean) 


251
252
253
254
255
256
 
# File 'lib/jazzy/sourcekitten.rb', line 251

def self.availability_attribute?(doc)
  return false unless doc['key.attributes']
  !doc['key.attributes'].select do |attribute|
    attribute.values.first == 'source.decl.attribute.available'
  end.empty?
end

.deduplicate_declarations(declarations) ⇒ Object

Merges multiple extensions of the same entity into a single document.

Merges extensions into the protocol/class/struct/enum they extend, if it occurs in the same project.

Merges redundant declarations when documenting podspecs.



559
560
561
562
563
564
565
566
567
568
 
# File 'lib/jazzy/sourcekitten.rb', line 559

def self.deduplicate_declarations(declarations)
  duplicate_groups = declarations
                     .group_by { |d| deduplication_key(d, declarations) }
                     .values

  duplicate_groups.map do |group|
    # Put extended type (if present) before extensions
    merge_declarations(group)
  end
end

.deduplication_key(decl, root_decls) ⇒ Object

Two declarations get merged if they have the same deduplication key.



578
579
580
581
582
583
584
585
586
587
 
# File 'lib/jazzy/sourcekitten.rb', line 578

def self.deduplication_key(decl, root_decls)
  if decl.type.swift_extensible? || decl.type.swift_extension?
    [decl.usr, decl.name]
  elsif mergeable_objc?(decl, root_decls)
    name, _ = decl.objc_category_name || decl.name
    [name, :objc_class_and_categories]
  else
    [decl.usr, decl.name, decl.type.kind]
  end
end

.expand_extension(extension, name_parts, decls) ⇒ Object 



535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
 
# File 'lib/jazzy/sourcekitten.rb', line 535

def self.expand_extension(extension, name_parts, decls)
  return extension if name_parts.empty?
  name = name_parts.shift
  candidates = decls.select { |decl| decl.name == name }
  SourceDeclaration.new.tap do |decl|
    make_default_doc_info(decl)
    decl.name = name
    decl.type = extension.type
    decl.mark = extension.mark
    decl.usr = candidates.first.usr unless candidates.empty?
    child = expand_extension(extension,
                             name_parts,
                             candidates.flat_map(&:children).uniq)
    child.parent_in_code = decl
    decl.children = [child]
  end
end

.expand_extensions(decls) ⇒ Object

Expands extensions of nested types declared at the top level into a tree so they can be deduplicated properly



525
526
527
528
529
530
531
532
533
 
# File 'lib/jazzy/sourcekitten.rb', line 525

def self.expand_extensions(decls)
  decls.map do |decl|
    next decl unless decl.type.extension? && decl.name.include?('.')

    name_parts = decl.name.split('.')
    decl.name = name_parts.pop
    expand_extension(decl, name_parts, decls)
  end
end

.extract_attributes(declaration, name = '\w+') ⇒ Object

Get all attributes of some name



381
382
383
384
385
 
# File 'lib/jazzy/sourcekitten.rb', line 381

def self.extract_attributes(declaration, name = '\w+')
  attrs = declaration.scan(attribute_regexp(name))
  # Rouge #806 workaround, use unicode lookalike for ')' inside attributes.
  attrs.map { |str| str.gsub(/\)(?!\s*$)/, "\ufe5a") }
end

.extract_availability(declaration) ⇒ Object 



387
388
389
 
# File 'lib/jazzy/sourcekitten.rb', line 387

def self.extract_availability(declaration)
  extract_attributes(declaration, 'available')
end

.filter_excluded_files(json) ⇒ Object

Filter based on the “excluded” flag.



696
697
698
699
700
701
702
703
704
 
# File 'lib/jazzy/sourcekitten.rb', line 696

def self.filter_excluded_files(json)
  excluded_files = Config.instance.excluded_files
  json.map do |doc|
    key = doc.keys.first
    doc unless excluded_files.detect do |exclude|
      File.fnmatch?(exclude, key)
    end
  end.compact
end

.filter_files(json) ⇒ Object

Apply filtering based on the “included” and “excluded” flags.



675
676
677
678
679
680
681
682
 
# File 'lib/jazzy/sourcekitten.rb', line 675

def self.filter_files(json)
  json = filter_included_files(json) if Config.instance.included_files.any?
  json = filter_excluded_files(json) if Config.instance.excluded_files.any?
  json.map do |doc|
    key = doc.keys.first
    doc[key]
  end.compact
end

.filter_included_files(json) ⇒ Object

Filter based on the “included” flag.



685
686
687
688
689
690
691
692
693
 
# File 'lib/jazzy/sourcekitten.rb', line 685

def self.filter_included_files(json)
  included_files = Config.instance.included_files
  json.map do |doc|
    key = doc.keys.first
    doc if included_files.detect do |include|
      File.fnmatch?(include, key)
    end
  end.compact
end

.group_custom_categories(docs) ⇒ Object 



71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
 
# File 'lib/jazzy/sourcekitten.rb', line 71

def self.group_custom_categories(docs)
  group = Config.instance.custom_categories.map do |category|
    children = category['children'].flat_map do |name|
      docs_with_name, docs = docs.partition { |doc| doc.name == name }
      if docs_with_name.empty?
        STDERR.puts 'WARNING: No documented top-level declarations match ' \
                    "name \"#{name}\" specified in categories file"
      end
      docs_with_name
    end
    # Category config overrides alphabetization
    children.each.with_index { |child, i| child.nav_order = i }
    make_group(children, category['name'], '')
  end
  [group.compact, docs]
end

.group_docs(docs) ⇒ Object

Group root-level docs by custom categories (if any) and type



63
64
65
66
67
68
69
 
# File 'lib/jazzy/sourcekitten.rb', line 63

def self.group_docs(docs)
  custom_categories, docs = group_custom_categories(docs)
  type_categories, uncategorized = group_type_categories(
    docs, custom_categories.any? ? 'Other ' : ''
  )
  custom_categories + type_categories + uncategorized
end

.group_type_categories(docs, type_category_prefix) ⇒ Object 



88
89
90
91
92
93
94
95
96
97
98
99
 
# File 'lib/jazzy/sourcekitten.rb', line 88

def self.group_type_categories(docs, type_category_prefix)
  group = SourceDeclaration::Type.all.map do |type|
    children, docs = docs.partition { |doc| doc.type == type }
    make_group(
      children,
      type_category_prefix + type.plural_name,
      "The following #{type.plural_name.downcase} are available globally.",
      type_category_prefix + type.plural_url_name,
    )
  end
  [group.compact, docs]
end

.make_default_doc_info(declaration) ⇒ Object 



242
243
244
245
246
247
248
249
 
# File 'lib/jazzy/sourcekitten.rb', line 242

def self.make_default_doc_info(declaration)
  # @todo: Fix these
  declaration.line = nil
  declaration.column = nil
  declaration.abstract = ''
  declaration.parameters = []
  declaration.children = []
end

.make_deprecation_info(doc, declaration) ⇒ Object 



348
349
350
351
352
353
354
355
356
357
 
# File 'lib/jazzy/sourcekitten.rb', line 348

def self.make_deprecation_info(doc, declaration)
  if declaration.deprecated
    declaration.deprecation_message =
      Markdown.render(doc['key.deprecation_message'] || '')
  end
  if declaration.unavailable
    declaration.unavailable_message =
      Markdown.render(doc['key.unavailable_message'] || '')
  end
end

.make_doc_info(doc, declaration) ⇒ Object 



320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
 
# File 'lib/jazzy/sourcekitten.rb', line 320

def self.make_doc_info(doc, declaration)
  return unless should_document?(doc)

  if Config.instance.objc_mode
    declaration.declaration =
      Highlighter.highlight(doc['key.parsed_declaration'])
    declaration.other_language_declaration =
      Highlighter.highlight(doc['key.swift_declaration'], 'swift')
  else
    declaration.declaration =
      Highlighter.highlight(make_swift_declaration(doc, declaration))
  end

  make_deprecation_info(doc, declaration)

  unless doc['key.doc.full_as_xml']
    return process_undocumented_token(doc, declaration)
  end

  declaration.abstract = Markdown.render(doc['key.doc.comment'] || '',
                                         Highlighter.default_language)
  declaration.discussion = ''
  declaration.return = Markdown.rendered_returns
  declaration.parameters = parameters(doc, Markdown.rendered_parameters)

  @stats.add_documented
end

.make_doc_urls(docs) ⇒ Hash

rubocop:disable Metrics/MethodLength Generate doc URL by prepending its parents URLs

Returns:

  • (Hash) —

    input docs with URLs



127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
 
# File 'lib/jazzy/sourcekitten.rb', line 127

def self.make_doc_urls(docs)
  docs.each do |doc|
    if doc.render_as_page?
      doc.url = (
        subdir_for_doc(doc) +
        [sanitize_filename(doc) + '.html']
      ).map { |path| ERB::Util.url_encode(path) }.join('/')
      doc.children = make_doc_urls(doc.children)
    else
      # Don't create HTML page for this doc if it doesn't have children
      # Instead, make its link a hash-link on its parent's page
      if doc.typename == '<<error type>>'
        warn 'A compile error prevented ' + doc.fully_qualified_name +
             ' from receiving a unique USR. Documentation may be ' \
             'incomplete. Please check for compile errors by running ' \
             '`xcodebuild` or `swift build` with arguments ' \
             "`#{Config.instance.build_tool_arguments.shelljoin}`."
      end
      id = doc.usr
      unless id
        id = doc.name || 'unknown'
        warn "`#{id}` has no USR. First make sure all modules used in " \
          'your project have been imported. If all used modules are ' \
          'imported, please report this problem by filing an issue at ' \
          'https://github.com/realm/jazzy/issues along with your Xcode ' \
          'project. If this token is declared in an `#if` block, please ' \
          'ignore this message.'
      end
      doc.url = doc.parent_in_docs.url + '#/' + id
    end
  end
end

.make_group(group, name, abstract, url_name = nil) ⇒ Object 



101
102
103
104
105
106
107
108
109
110
111
112
 
# File 'lib/jazzy/sourcekitten.rb', line 101

def self.make_group(group, name, abstract, url_name = nil)
  group.reject! { |doc| doc.name.empty? }
  unless group.empty?
    SourceDeclaration.new.tap do |sd|
      sd.type     = SourceDeclaration::Type.overview
      sd.name     = name
      sd.url_name = url_name
      sd.abstract = Markdown.render(abstract)
      sd.children = group
    end
  end
end

.make_source_declarations(docs, parent = nil, mark = SourceMark.new) ⇒ Object

rubocop:disable Metrics/MethodLength rubocop:disable Metrics/CyclomaticComplexity rubocop:disable Metrics/PerceivedComplexity



459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
 
# File 'lib/jazzy/sourcekitten.rb', line 459

def self.make_source_declarations(docs, parent = nil, mark = SourceMark.new)
  declarations = []
  current_mark = mark
  Array(docs).each do |doc|
    if doc.key?('key.diagnostic_stage')
      declarations += make_source_declarations(
        doc['key.substructure'], parent
      )
      next
    end
    declaration = SourceDeclaration.new
    declaration.parent_in_code = parent
    declaration.type = SourceDeclaration::Type.new(doc['key.kind'])
    declaration.typename = doc['key.typename']
    declaration.objc_name = doc['key.name']
    documented_name = if Config.instance.hide_declarations == 'objc' &&
                         doc['key.swift_name']
                        doc['key.swift_name']
                      else
                        declaration.objc_name
                      end
    if declaration.type.task_mark?(documented_name)
      current_mark = SourceMark.new(documented_name)
    end
    if declaration.type.swift_enum_case?
      # Enum "cases" are thin wrappers around enum "elements".
      declarations += make_source_declarations(
        doc['key.substructure'], parent, current_mark
      )
      next
    end
    next unless declaration.type.should_document?

    unless declaration.type.name
      raise 'Please file an issue at ' \
            'https://github.com/realm/jazzy/issues about adding support ' \
            "for `#{declaration.type.kind}`."
    end

    declaration.file = Pathname(doc['key.filepath']) if doc['key.filepath']
    declaration.usr = doc['key.usr']
    declaration.modulename = doc['key.modulename']
    declaration.name = documented_name
    declaration.mark = current_mark
    declaration.access_control_level =
      SourceDeclaration::AccessControlLevel.from_doc(doc)
    declaration.line = doc['key.doc.line']
    declaration.column = doc['key.doc.column']
    declaration.start_line = doc['key.parsed_scope.start']
    declaration.end_line = doc['key.parsed_scope.end']
    declaration.deprecated = doc['key.always_deprecated']
    declaration.unavailable = doc['key.always_unavailable']

    next unless make_doc_info(doc, declaration)
    make_substructure(doc, declaration)
    next if declaration.type.extension? && declaration.children.empty?
    declarations << declaration
  end
  declarations
end

.make_substructure(doc, declaration) ⇒ Object 



445
446
447
448
449
450
451
452
453
454
 
# File 'lib/jazzy/sourcekitten.rb', line 445

def self.make_substructure(doc, declaration)
  declaration.children = if doc['key.substructure']
                           make_source_declarations(
                             doc['key.substructure'],
                             declaration,
                           )
                         else
                           []
                         end
end

.make_swift_declaration(doc, declaration) ⇒ Object

Find the best Swift declaration



413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
 
# File 'lib/jazzy/sourcekitten.rb', line 413

def self.make_swift_declaration(doc, declaration)
  # From compiler 'quick help' style
  annotated_decl_xml = doc['key.annotated_decl']

  return nil unless annotated_decl_xml

  annotated_decl_attrs, annotated_decl_body =
    split_decl_attributes(xml_to_text(annotated_decl_xml))

  # From source code
  parsed_decl = doc['key.parsed_declaration']

  decl =
    if prefer_parsed_decl?(parsed_decl, annotated_decl_body)
      # Strip any attrs captured by parsed version
      inline_attrs, parsed_decl_body = split_decl_attributes(parsed_decl)
      parsed_decl_body.unindent(inline_attrs.length)
    else
      # Strip ugly references to decl type name
      unqualified = unqualify_name(annotated_decl_body, declaration)
      # Workaround for SR-9816
      unqualified.gsub(" {\n  get\n  }", '')
    end

  # @available attrs only in compiler 'interface' style
  available_attrs = extract_availability(doc['key.doc.declaration'] || '')

  available_attrs.concat(extract_attributes(annotated_decl_attrs))
                 .push(decl)
                 .join("\n")
end

.mark_members_from_protocol_extension(extensions) ⇒ Object

Protocol methods provided only in an extension and not in the protocol itself are a special beast: they do not use dynamic dispatch. These get an “Extension method” annotation in the generated docs.



645
646
647
648
649
650
651
 
# File 'lib/jazzy/sourcekitten.rb', line 645

def self.mark_members_from_protocol_extension(extensions)
  extensions.each do |ext|
    ext.children.each do |ext_member|
      ext_member.from_protocol_extension = true
    end
  end
end

.merge_declaration_marks(typedecl, extensions) ⇒ Object

Customize marks associated with to-be-merged declarations



654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
 
# File 'lib/jazzy/sourcekitten.rb', line 654

def self.merge_declaration_marks(typedecl, extensions)
  if typedecl.type.objc_class?
    # Mark children merged from categories with the name of category
    # (unless they already have a mark)
    extensions.each do |ext|
      _, category_name = ext.objc_category_name
      ext.children.each { |c| c.mark.name ||= category_name }
    end
  else
    # If the Swift extension has a mark and the first child doesn't
    # then copy the mark contents down so it still shows up.
    extensions.each do |ext|
      child = ext.children.first
      if child && child.mark.empty?
        child.mark.copy(ext.mark)
      end
    end
  end
end

.merge_declarations(decls) ⇒ Object

rubocop:disable Metrics/MethodLength Merges all of the given types and extensions into a single document.



591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
 
# File 'lib/jazzy/sourcekitten.rb', line 591

def self.merge_declarations(decls)
  extensions, typedecls = decls.partition { |d| d.type.extension? }

  if typedecls.size > 1
    warn 'Found conflicting type declarations with the same name, which ' \
      'may indicate a build issue or a bug in Jazzy: ' +
         typedecls.map { |t| "#{t.type.name.downcase} #{t.name}" }
                  .join(', ')
  end
  typedecl = typedecls.first

  if typedecl
    if typedecl.type.swift_protocol?
      merge_default_implementations_into_protocol(typedecl, extensions)
      mark_members_from_protocol_extension(extensions)
      extensions.reject! { |ext| ext.children.empty? }
    end

    merge_declaration_marks(typedecl, extensions)
  end

  decls = typedecls + extensions
  decls.first.tap do |merged|
    merged.children = deduplicate_declarations(
      decls.flat_map(&:children).uniq,
    )
    merged.children.each do |child|
      child.parent_in_code = merged
    end
  end
end

.merge_default_implementations_into_protocol(protocol, extensions) ⇒ Object

If any of the extensions provide default implementations for methods in the given protocol, merge those members into the protocol doc instead of keeping them on the extension. These get a “Default implementation” annotation in the generated docs.



628
629
630
631
632
633
634
635
636
637
638
639
640
 
# File 'lib/jazzy/sourcekitten.rb', line 628

def self.merge_default_implementations_into_protocol(protocol, extensions)
  protocol.children.each do |proto_method|
    extensions.each do |ext|
      defaults, ext.children = ext.children.partition do |ext_member|
        ext_member.name == proto_method.name
      end
      unless defaults.empty?
        proto_method.default_impl_abstract =
          defaults.flat_map { |d| [d.abstract, d.discussion] }.join
      end
    end
  end
end

.mergeable_objc?(decl, root_decls) ⇒ Boolean

Returns true if an Objective-C declaration is mergeable.

Returns:

  • (Boolean) 


571
572
573
574
575
 
# File 'lib/jazzy/sourcekitten.rb', line 571

def self.mergeable_objc?(decl, root_decls)
  decl.type.objc_class? \
    || (decl.type.objc_category? \
        && name_match(decl.objc_category_name[0], root_decls))
end

.name_match(name_part, docs) ⇒ Object 



706
707
708
709
710
711
712
713
714
715
 
# File 'lib/jazzy/sourcekitten.rb', line 706

def self.name_match(name_part, docs)
  return nil unless name_part
  wildcard_expansion = Regexp.escape(name_part)
                             .gsub('\.\.\.', '[^)]*')
                             .gsub(/<.*>/, '')
  whole_name_pat = /\A#{wildcard_expansion}\Z/
  docs.find do |doc|
    whole_name_pat =~ doc.name
  end
end

.name_traversal(name_parts, doc) ⇒ Object 



727
728
729
730
731
732
733
 
# File 'lib/jazzy/sourcekitten.rb', line 727

def self.name_traversal(name_parts, doc)
  while doc && !name_parts.empty?
    next_part = name_parts.shift
    doc = name_match(next_part, doc.children)
  end
  doc
end

.objc_arguments_from_options(options) ⇒ Object 



207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
 
# File 'lib/jazzy/sourcekitten.rb', line 207

def self.objc_arguments_from_options(options)
  arguments = []
  if options.build_tool_arguments.empty?
    arguments += ['--objc', options.umbrella_header.to_s, '--', '-x',
                  'objective-c', '-isysroot',
                  `xcrun --show-sdk-path --sdk #{options.sdk}`.chomp,
                  '-I', options.framework_root.to_s,
                  '-fmodules']
  end
  # add additional -I arguments for each subdirectory of framework_root
  unless options.framework_root.nil?
    rec_path(Pathname.new(options.framework_root.to_s)).collect do |child|
      if child.directory?
        arguments += ['-I', child.to_s]
      end
    end
  end
  arguments
end

.parameters(doc, discovered) ⇒ Object 



310
311
312
313
314
315
316
317
318
 
# File 'lib/jazzy/sourcekitten.rb', line 310

def self.parameters(doc, discovered)
  (doc['key.doc.parameters'] || []).map do |p|
    name = p['name']
    {
      name: name,
      discussion: discovered[name],
    }
  end.reject { |param| param[:discussion].nil? }
end

.parse(sourcekitten_output, min_acl, skip_undocumented, inject_docs) ⇒ Hash

Parse sourcekitten STDOUT output as JSON

Returns:

  • (Hash) —

    structured docs



825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
 
# File 'lib/jazzy/sourcekitten.rb', line 825

def self.parse(sourcekitten_output, min_acl, skip_undocumented, inject_docs)
  @min_acl = min_acl
  @skip_undocumented = skip_undocumented
  @stats = Stats.new
  sourcekitten_json = filter_files(JSON.parse(sourcekitten_output))
  docs = make_source_declarations(sourcekitten_json).concat inject_docs
  docs = expand_extensions(docs)
  docs = deduplicate_declarations(docs)
  if Config.instance.objc_mode
    docs = reject_objc_types(docs)
  else
    # Remove top-level enum cases because it means they have an ACL lower
    # than min_acl
    docs = docs.reject { |doc| doc.type.swift_enum_element? }
  end
  ungrouped_docs = docs
  docs = group_docs(docs)
  make_doc_urls(docs)
  autolink(docs, ungrouped_docs)
  [docs, @stats]
end

.prefer_parsed_decl?(parsed, annotated) ⇒ Boolean

Returns:

  • (Boolean) 


397
398
399
400
401
402
403
404
 
# File 'lib/jazzy/sourcekitten.rb', line 397

def self.prefer_parsed_decl?(parsed, annotated)
  annotated.empty? ||
    parsed &&
      (annotated.include?(' = default') || # SR-2608
       parsed.match('@autoclosure|@escaping') || # SR-6321
       parsed.include?("\n") ||
       parsed.include?('extension '))
end

.process_undocumented_token(doc, declaration) ⇒ Object 



293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
 
# File 'lib/jazzy/sourcekitten.rb', line 293

def self.process_undocumented_token(doc, declaration)
  make_default_doc_info(declaration)

  filepath = doc['key.filepath']
  objc = Config.instance.objc_mode
  if objc || should_mark_undocumented(filepath)
    @stats.add_undocumented(declaration)
    return nil if @skip_undocumented
    declaration.abstract = undocumented_abstract
  else
    declaration.abstract = Markdown.render(doc['key.doc.comment'] || '',
                                           Highlighter.default_language)
  end

  declaration
end

.rec_path(path) ⇒ Object

returns all subdirectories of specified path



177
178
179
180
181
182
183
 
# File 'lib/jazzy/sourcekitten.rb', line 177

def self.rec_path(path)
  path.children.collect do |child|
    if child.directory?
      rec_path(child) + [child]
    end
  end.select { |x| x }.flatten(1)
end

.reject_objc_types(docs) ⇒ Object 



808
809
810
811
812
813
814
815
816
817
818
819
820
821
 
# File 'lib/jazzy/sourcekitten.rb', line 808

def self.reject_objc_types(docs)
  enums = docs.map do |doc|
    [doc, doc.children]
  end.flatten.select { |child| child.type.objc_enum? }.map(&:objc_name)
  docs.map do |doc|
    doc.children = doc.children.reject do |child|
      child.type.objc_typedef? && enums.include?(child.name)
    end
    doc
  end.reject do |doc|
    doc.type.objc_unexposed? ||
      (doc.type.objc_typedef? && enums.include?(doc.name))
  end
end

.run_sourcekitten(arguments) ⇒ Object

Run sourcekitten with given arguments and return STDOUT



228
229
230
231
232
233
234
235
236
237
238
239
240
 
# File 'lib/jazzy/sourcekitten.rb', line 228

def self.run_sourcekitten(arguments)
  if swift_version = Config.instance.swift_version
    unless xcode = XCInvoke::Xcode.find_swift_version(swift_version)
      raise "Unable to find an Xcode with swift version #{swift_version}."
    end
    env = xcode.as_env
  else
    env = ENV
  end
  bin_path = Pathname(__FILE__) + '../../../bin/sourcekitten'
  output, = Executable.execute_command(bin_path, arguments, true, env: env)
  output
end

.sanitize_filename(doc) ⇒ Object 



114
115
116
117
118
119
120
121
122
 
# File 'lib/jazzy/sourcekitten.rb', line 114

def self.sanitize_filename(doc)
  unsafe_filename = doc.url_name || doc.name
  sanitzation_enabled = Config.instance.use_safe_filenames
  if sanitzation_enabled && !doc.type.name_controlled_manually?
    return CGI.escape(unsafe_filename).gsub('_', '%5F').tr('%', '_')
  else
    return unsafe_filename
  end
end

.should_document?(doc) ⇒ Boolean

rubocop:disable Metrics/CyclomaticComplexity rubocop:disable Metrics/PerceivedComplexity

Returns:

  • (Boolean) 


260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
 
# File 'lib/jazzy/sourcekitten.rb', line 260

def self.should_document?(doc)
  return false if doc['key.doc.comment'].to_s.include?(':nodoc:')

  # Always document Objective-C declarations.
  return true if Config.instance.objc_mode

  # Don't document @available declarations with no USR, since it means
  # they're unavailable.
  if availability_attribute?(doc) && !doc['key.usr']
    return false
  end

  # Document extensions & enum elements, since we can't tell their ACL.
  type = SourceDeclaration::Type.new(doc['key.kind'])
  return true if type.swift_enum_element?
  if type.swift_extension?
    return Array(doc['key.substructure']).any? do |subdoc|
      subtype = SourceDeclaration::Type.new(subdoc['key.kind'])
      !subtype.mark? && should_document?(subdoc)
    end
  end

  acl_ok = SourceDeclaration::AccessControlLevel.from_doc(doc) >= @min_acl
  acl_ok.tap { @stats.add_acl_skipped unless acl_ok }
end

.should_mark_undocumented(filepath) ⇒ Object

rubocop:enable Metrics/CyclomaticComplexity rubocop:enable Metrics/PerceivedComplexity



288
289
290
291
 
# File 'lib/jazzy/sourcekitten.rb', line 288

def self.should_mark_undocumented(filepath)
  source_directory = Config.instance.source_directory.to_s
  (filepath || '').start_with?(source_directory)
end

.split_decl_attributes(declaration) ⇒ Object

Split leading attributes from a decl, returning both parts.



392
393
394
395
 
# File 'lib/jazzy/sourcekitten.rb', line 392

def self.split_decl_attributes(declaration)
  declaration =~ /^((?:#{attribute_regexp('\w+')}\s*)*)(.*)$/m
  Regexp.last_match.captures
end

.subdir_for_doc(doc) ⇒ Object

Determine the subdirectory in which a doc should be placed. Guides in the root for back-compatibility. Declarations under outer namespace type (Structures, Classes, etc.)



164
165
166
167
168
169
170
171
172
173
174
 
# File 'lib/jazzy/sourcekitten.rb', line 164

def self.subdir_for_doc(doc)
  return [] if doc.type.markdown?
  top_level_decl = doc.namespace_path.first
  if top_level_decl.type.name
    [top_level_decl.type.plural_url_name] +
      doc.namespace_ancestors.map(&:name)
  else
    # Category - in the root
    []
  end
end

.undocumented_abstract ⇒ Object 



56
57
58
59
60
 
# File 'lib/jazzy/sourcekitten.rb', line 56

def self.undocumented_abstract
  @undocumented_abstract ||= Markdown.render(
    Config.instance.undocumented_text,
  ).freeze
end

.unqualify_name(annotated_decl, declaration) ⇒ Object

Replace the fully qualified name of a type with its base name



407
408
409
410
 
# File 'lib/jazzy/sourcekitten.rb', line 407

def self.unqualify_name(annotated_decl, declaration)
  annotated_decl.gsub(declaration.fully_qualified_name_regexp,
                      declaration.name)
end

.use_spm?(options) ⇒ Boolean

Returns:

  • (Boolean) 


185
186
187
188
189
 
# File 'lib/jazzy/sourcekitten.rb', line 185

def self.use_spm?(options)
  options.swift_build_tool == :spm ||
    (!options.swift_build_tool_configured &&
     Dir['*.xcodeproj'].empty?)
end

.xml_to_text(xml) ⇒ Object

Strip tags and convert entities



360
361
362
363
364
365
 
# File 'lib/jazzy/sourcekitten.rb', line 360

def self.xml_to_text(xml)
  document = REXML::Document.new(xml)
  REXML::XPath.match(document.root, '//text()').map(&:value).join
rescue
  ''
end