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.



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# File 'lib/jazzy/sourcekitten.rb', line 709

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



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# File 'lib/jazzy/sourcekitten.rb', line 187

def self.arguments_from_options(options)
  arguments = ['doc']
  arguments += if options.objc_mode
                 objc_arguments_from_options(options)
               elsif !options.module_name.empty?
                 ['--module-name', options.module_name, '--']
               else
                 ['--']
               end
  arguments + options.xcodebuild_arguments
end

.attribute_regexp(name) ⇒ Object

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



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# File 'lib/jazzy/sourcekitten.rb', line 360

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 



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# File 'lib/jazzy/sourcekitten.rb', line 770

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



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# File 'lib/jazzy/sourcekitten.rb', line 795

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.



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# File 'lib/jazzy/sourcekitten.rb', line 731

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) 


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# File 'lib/jazzy/sourcekitten.rb', line 243

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.



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# File 'lib/jazzy/sourcekitten.rb', line 550

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.



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# File 'lib/jazzy/sourcekitten.rb', line 569

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 



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# File 'lib/jazzy/sourcekitten.rb', line 526

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



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# File 'lib/jazzy/sourcekitten.rb', line 516

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



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# File 'lib/jazzy/sourcekitten.rb', line 373

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 



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# File 'lib/jazzy/sourcekitten.rb', line 379

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

.filter_excluded_files(json) ⇒ Object

Filter based on the “excluded” flag.



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# File 'lib/jazzy/sourcekitten.rb', line 687

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.



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# File 'lib/jazzy/sourcekitten.rb', line 666

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.



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# File 'lib/jazzy/sourcekitten.rb', line 676

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 



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# 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



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# 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 



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# 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 



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# File 'lib/jazzy/sourcekitten.rb', line 234

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 



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# File 'lib/jazzy/sourcekitten.rb', line 340

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 



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# File 'lib/jazzy/sourcekitten.rb', line 312

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



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# File 'lib/jazzy/sourcekitten.rb', line 127

def self.make_doc_urls(docs)
  docs.each do |doc|
    if !doc.parent_in_docs || doc.children.count > 0
      # Create HTML page for this doc if it has children or is root-level
      doc.url = (
        subdir_for_doc(doc) +
        [sanitize_filename(doc) + '.html']
      ).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 ' \
             "#{Config.instance.xcodebuild_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 



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# 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



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# File 'lib/jazzy/sourcekitten.rb', line 450

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 



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# File 'lib/jazzy/sourcekitten.rb', line 436

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



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# File 'lib/jazzy/sourcekitten.rb', line 404

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.



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# File 'lib/jazzy/sourcekitten.rb', line 636

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



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# File 'lib/jazzy/sourcekitten.rb', line 645

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.



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# File 'lib/jazzy/sourcekitten.rb', line 582

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.



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# File 'lib/jazzy/sourcekitten.rb', line 619

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) 


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# File 'lib/jazzy/sourcekitten.rb', line 562

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 



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# File 'lib/jazzy/sourcekitten.rb', line 697

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 



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# File 'lib/jazzy/sourcekitten.rb', line 718

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 



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# File 'lib/jazzy/sourcekitten.rb', line 199

def self.objc_arguments_from_options(options)
  arguments = []
  if options.xcodebuild_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 



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# File 'lib/jazzy/sourcekitten.rb', line 302

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



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# File 'lib/jazzy/sourcekitten.rb', line 816

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) 


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

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

.process_undocumented_token(doc, declaration) ⇒ Object 



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# File 'lib/jazzy/sourcekitten.rb', line 285

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



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# File 'lib/jazzy/sourcekitten.rb', line 178

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 



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# File 'lib/jazzy/sourcekitten.rb', line 799

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



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# File 'lib/jazzy/sourcekitten.rb', line 220

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 



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# 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) 


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# File 'lib/jazzy/sourcekitten.rb', line 252

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



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# File 'lib/jazzy/sourcekitten.rb', line 280

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.



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# File 'lib/jazzy/sourcekitten.rb', line 384

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



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# File 'lib/jazzy/sourcekitten.rb', line 163

def self.subdir_for_doc(doc)
  # We always want to create top-level subdirs according to type (Struct,
  # Class, etc).
  top_level_decl = doc.namespace_path.first
  if top_level_decl && top_level_decl.type && top_level_decl.type.name
    # File program elements under top ancestor’s type (Struct, Class, etc.)
    [top_level_decl.type.plural_url_name] +
      doc.namespace_ancestors.map(&:name)
  else
    # Categories live in their own directory
    []
  end
end

.undocumented_abstract ⇒ Object 



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# 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



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# File 'lib/jazzy/sourcekitten.rb', line 398

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

.xml_to_text(xml) ⇒ Object

Strip tags and convert entities



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# File 'lib/jazzy/sourcekitten.rb', line 352

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