Fresh start

1 files changed, 799 insertions, 0 deletions

diff --git a/jni/ruby/lib/rdoc/class_module.rb b/jni/ruby/lib/rdoc/class_module.rb
new file mode 100644
index 0000000..71566f0
--- /dev/null
+++ b/jni/ruby/lib/rdoc/class_module.rb
@@ -0,0 +1,799 @@
+##
+# ClassModule is the base class for objects representing either a class or a
+# module.
+
+class RDoc::ClassModule < RDoc::Context
+
+  ##
+  # 1::
+  #   RDoc 3.7
+  #   * Added visibility, singleton and file to attributes
+  #   * Added file to constants
+  #   * Added file to includes
+  #   * Added file to methods
+  # 2::
+  #   RDoc 3.13
+  #   * Added extends
+  # 3::
+  #   RDoc 4.0
+  #   * Added sections
+  #   * Added in_files
+  #   * Added parent name
+  #   * Complete Constant dump
+
+  MARSHAL_VERSION = 3 # :nodoc:
+
+  ##
+  # Constants that are aliases for this class or module
+
+  attr_accessor :constant_aliases
+
+  ##
+  # Comment and the location it came from.  Use #add_comment to add comments
+
+  attr_accessor :comment_location
+
+  attr_accessor :diagram # :nodoc:
+
+  ##
+  # Class or module this constant is an alias for
+
+  attr_accessor :is_alias_for
+
+  ##
+  # Return a RDoc::ClassModule of class +class_type+ that is a copy
+  # of module +module+. Used to promote modules to classes.
+  #--
+  # TODO move to RDoc::NormalClass (I think)
+
+  def self.from_module class_type, mod
+    klass = class_type.new mod.name
+
+    mod.comment_location.each do |comment, location|
+      klass.add_comment comment, location
+    end
+
+    klass.parent = mod.parent
+    klass.section = mod.section
+    klass.viewer = mod.viewer
+
+    klass.attributes.concat mod.attributes
+    klass.method_list.concat mod.method_list
+    klass.aliases.concat mod.aliases
+    klass.external_aliases.concat mod.external_aliases
+    klass.constants.concat mod.constants
+    klass.includes.concat mod.includes
+    klass.extends.concat mod.extends
+
+    klass.methods_hash.update mod.methods_hash
+    klass.constants_hash.update mod.constants_hash
+
+    klass.current_section = mod.current_section
+    klass.in_files.concat mod.in_files
+    klass.sections.concat mod.sections
+    klass.unmatched_alias_lists = mod.unmatched_alias_lists
+    klass.current_section = mod.current_section
+    klass.visibility = mod.visibility
+
+    klass.classes_hash.update mod.classes_hash
+    klass.modules_hash.update mod.modules_hash
+    klass.metadata.update mod.metadata
+
+    klass.document_self = mod.received_nodoc ? nil : mod.document_self
+    klass.document_children = mod.document_children
+    klass.force_documentation = mod.force_documentation
+    klass.done_documenting = mod.done_documenting
+
+    # update the parent of all children
+
+    (klass.attributes +
+     klass.method_list +
+     klass.aliases +
+     klass.external_aliases +
+     klass.constants +
+     klass.includes +
+     klass.extends +
+     klass.classes +
+     klass.modules).each do |obj|
+      obj.parent = klass
+      obj.full_name = nil
+    end
+
+    klass
+  end
+
+  ##
+  # Creates a new ClassModule with +name+ with optional +superclass+
+  #
+  # This is a constructor for subclasses, and must never be called directly.
+
+  def initialize(name, superclass = nil)
+    @constant_aliases = []
+    @diagram          = nil
+    @is_alias_for     = nil
+    @name             = name
+    @superclass       = superclass
+    @comment_location = [] # [[comment, location]]
+
+    super()
+  end
+
+  ##
+  # Adds +comment+ to this ClassModule's list of comments at +location+.  This
+  # method is preferred over #comment= since it allows ri data to be updated
+  # across multiple runs.
+
+  def add_comment comment, location
+    return unless document_self
+
+    original = comment
+
+    comment = case comment
+              when RDoc::Comment then
+                comment.normalize
+              else
+                normalize_comment comment
+              end
+
+    @comment_location.delete_if { |(_, l)| l == location }
+
+    @comment_location << [comment, location]
+
+    self.comment = original
+  end
+
+  def add_things my_things, other_things # :nodoc:
+    other_things.each do |group, things|
+      my_things[group].each { |thing| yield false, thing } if
+        my_things.include? group
+
+      things.each do |thing|
+        yield true, thing
+      end
+    end
+  end
+
+  ##
+  # Ancestors list for this ClassModule: the list of included modules
+  # (classes will add their superclass if any).
+  #
+  # Returns the included classes or modules, not the includes
+  # themselves. The returned values are either String or
+  # RDoc::NormalModule instances (see RDoc::Include#module).
+  #
+  # The values are returned in reverse order of their inclusion,
+  # which is the order suitable for searching methods/attributes
+  # in the ancestors. The superclass, if any, comes last.
+
+  def ancestors
+    includes.map { |i| i.module }.reverse
+  end
+
+  def aref_prefix # :nodoc:
+    raise NotImplementedError, "missing aref_prefix for #{self.class}"
+  end
+
+  ##
+  # HTML fragment reference for this module or class.  See
+  # RDoc::NormalClass#aref and RDoc::NormalModule#aref
+
+  def aref
+    "#{aref_prefix}-#{full_name}"
+  end
+
+  ##
+  # Ancestors of this class or module only
+
+  alias direct_ancestors ancestors
+
+  ##
+  # Clears the comment. Used by the Ruby parser.
+
+  def clear_comment
+    @comment = ''
+  end
+
+  ##
+  # This method is deprecated, use #add_comment instead.
+  #
+  # Appends +comment+ to the current comment, but separated by a rule.  Works
+  # more like <tt>+=</tt>.
+
+  def comment= comment # :nodoc:
+    comment = case comment
+              when RDoc::Comment then
+                comment.normalize
+              else
+                normalize_comment comment
+              end
+
+    comment = "#{@comment}\n---\n#{comment}" unless @comment.empty?
+
+    super comment
+  end
+
+  ##
+  # Prepares this ClassModule for use by a generator.
+  #
+  # See RDoc::Store#complete
+
+  def complete min_visibility
+    update_aliases
+    remove_nodoc_children
+    update_includes
+    remove_invisible min_visibility
+  end
+
+  ##
+  # Does this ClassModule or any of its methods have document_self set?
+
+  def document_self_or_methods
+    document_self || method_list.any?{ |m| m.document_self }
+  end
+
+  ##
+  # Does this class or module have a comment with content or is
+  # #received_nodoc true?
+
+  def documented?
+    return true if @received_nodoc
+    return false if @comment_location.empty?
+    @comment_location.any? { |comment, _| not comment.empty? }
+  end
+
+  ##
+  # Iterates the ancestors of this class or module for which an
+  # RDoc::ClassModule exists.
+
+  def each_ancestor # :yields: module
+    return enum_for __method__ unless block_given?
+
+    ancestors.each do |mod|
+      next if String === mod
+      next if self == mod
+      yield mod
+    end
+  end
+
+  ##
+  # Looks for a symbol in the #ancestors. See Context#find_local_symbol.
+
+  def find_ancestor_local_symbol symbol
+    each_ancestor do |m|
+      res = m.find_local_symbol(symbol)
+      return res if res
+    end
+
+    nil
+  end
+
+  ##
+  # Finds a class or module with +name+ in this namespace or its descendants
+
+  def find_class_named name
+    return self if full_name == name
+    return self if @name == name
+
+    @classes.values.find do |klass|
+      next if klass == self
+      klass.find_class_named name
+    end
+  end
+
+  ##
+  # Return the fully qualified name of this class or module
+
+  def full_name
+    @full_name ||= if RDoc::ClassModule === parent then
+                     "#{parent.full_name}::#{@name}"
+                   else
+                     @name
+                   end
+  end
+
+  ##
+  # TODO: filter included items by #display?
+
+  def marshal_dump # :nodoc:
+    attrs = attributes.sort.map do |attr|
+      next unless attr.display?
+      [ attr.name, attr.rw,
+        attr.visibility, attr.singleton, attr.file_name,
+      ]
+    end.compact
+
+    method_types = methods_by_type.map do |type, visibilities|
+      visibilities = visibilities.map do |visibility, methods|
+        method_names = methods.map do |method|
+          next unless method.display?
+          [method.name, method.file_name]
+        end.compact
+
+        [visibility, method_names.uniq]
+      end
+
+      [type, visibilities]
+    end
+
+    [ MARSHAL_VERSION,
+      @name,
+      full_name,
+      @superclass,
+      parse(@comment_location),
+      attrs,
+      constants.select { |constant| constant.display? },
+      includes.map do |incl|
+        next unless incl.display?
+        [incl.name, parse(incl.comment), incl.file_name]
+      end.compact,
+      method_types,
+      extends.map do |ext|
+        next unless ext.display?
+        [ext.name, parse(ext.comment), ext.file_name]
+      end.compact,
+      @sections.values,
+      @in_files.map do |tl|
+        tl.relative_name
+      end,
+      parent.full_name,
+      parent.class,
+    ]
+  end
+
+  def marshal_load array # :nodoc:
+    initialize_visibility
+    initialize_methods_etc
+    @current_section   = nil
+    @document_self     = true
+    @done_documenting  = false
+    @parent            = nil
+    @temporary_section = nil
+    @visibility        = nil
+    @classes           = {}
+    @modules           = {}
+
+    @name       = array[1]
+    @full_name  = array[2]
+    @superclass = array[3]
+    @comment    = array[4]
+
+    @comment_location = if RDoc::Markup::Document === @comment.parts.first then
+                          @comment
+                        else
+                          RDoc::Markup::Document.new @comment
+                        end
+
+    array[5].each do |name, rw, visibility, singleton, file|
+      singleton  ||= false
+      visibility ||= :public
+
+      attr = RDoc::Attr.new nil, name, rw, nil, singleton
+
+      add_attribute attr
+      attr.visibility = visibility
+      attr.record_location RDoc::TopLevel.new file
+    end
+
+    array[6].each do |constant, comment, file|
+      case constant
+      when RDoc::Constant then
+        add_constant constant
+      else
+        constant = add_constant RDoc::Constant.new(constant, nil, comment)
+        constant.record_location RDoc::TopLevel.new file
+      end
+    end
+
+    array[7].each do |name, comment, file|
+      incl = add_include RDoc::Include.new(name, comment)
+      incl.record_location RDoc::TopLevel.new file
+    end
+
+    array[8].each do |type, visibilities|
+      visibilities.each do |visibility, methods|
+        @visibility = visibility
+
+        methods.each do |name, file|
+          method = RDoc::AnyMethod.new nil, name
+          method.singleton = true if type == 'class'
+          method.record_location RDoc::TopLevel.new file
+          add_method method
+        end
+      end
+    end
+
+    array[9].each do |name, comment, file|
+      ext = add_extend RDoc::Extend.new(name, comment)
+      ext.record_location RDoc::TopLevel.new file
+    end if array[9] # Support Marshal version 1
+
+    sections = (array[10] || []).map do |section|
+      [section.title, section]
+    end
+
+    @sections = Hash[*sections.flatten]
+    @current_section = add_section nil
+
+    @in_files = []
+
+    (array[11] || []).each do |filename|
+      record_location RDoc::TopLevel.new filename
+    end
+
+    @parent_name  = array[12]
+    @parent_class = array[13]
+  end
+
+  ##
+  # Merges +class_module+ into this ClassModule.
+  #
+  # The data in +class_module+ is preferred over the receiver.
+
+  def merge class_module
+    @parent      = class_module.parent
+    @parent_name = class_module.parent_name
+
+    other_document = parse class_module.comment_location
+
+    if other_document then
+      document = parse @comment_location
+
+      document = document.merge other_document
+
+      @comment = @comment_location = document
+    end
+
+    cm = class_module
+    other_files = cm.in_files
+
+    merge_collections attributes, cm.attributes, other_files do |add, attr|
+      if add then
+        add_attribute attr
+      else
+        @attributes.delete attr
+        @methods_hash.delete attr.pretty_name
+      end
+    end
+
+    merge_collections constants, cm.constants, other_files do |add, const|
+      if add then
+        add_constant const
+      else
+        @constants.delete const
+        @constants_hash.delete const.name
+      end
+    end
+
+    merge_collections includes, cm.includes, other_files do |add, incl|
+      if add then
+        add_include incl
+      else
+        @includes.delete incl
+      end
+    end
+
+    @includes.uniq! # clean up
+
+    merge_collections extends, cm.extends, other_files do |add, ext|
+      if add then
+        add_extend ext
+      else
+        @extends.delete ext
+      end
+    end
+
+    @extends.uniq! # clean up
+
+    merge_collections method_list, cm.method_list, other_files do |add, meth|
+      if add then
+        add_method meth
+      else
+        @method_list.delete meth
+        @methods_hash.delete meth.pretty_name
+      end
+    end
+
+    merge_sections cm
+
+    self
+  end
+
+  ##
+  # Merges collection +mine+ with +other+ preferring other.  +other_files+ is
+  # used to help determine which items should be deleted.
+  #
+  # Yields whether the item should be added or removed (true or false) and the
+  # item to be added or removed.
+  #
+  #   merge_collections things, other.things, other.in_files do |add, thing|
+  #     if add then
+  #       # add the thing
+  #     else
+  #       # remove the thing
+  #     end
+  #   end
+
+  def merge_collections mine, other, other_files, &block # :nodoc:
+    my_things    = mine. group_by { |thing| thing.file }
+    other_things = other.group_by { |thing| thing.file }
+
+    remove_things my_things, other_files,  &block
+    add_things    my_things, other_things, &block
+  end
+
+  ##
+  # Merges the comments in this ClassModule with the comments in the other
+  # ClassModule +cm+.
+
+  def merge_sections cm # :nodoc:
+    my_sections    =    sections.group_by { |section| section.title }
+    other_sections = cm.sections.group_by { |section| section.title }
+
+    other_files = cm.in_files
+
+    remove_things my_sections, other_files do |_, section|
+      @sections.delete section.title
+    end
+
+    other_sections.each do |group, sections|
+      if my_sections.include? group
+        my_sections[group].each do |my_section|
+          other_section = cm.sections_hash[group]
+
+          my_comments    = my_section.comments
+          other_comments = other_section.comments
+
+          other_files = other_section.in_files
+
+          merge_collections my_comments, other_comments, other_files do |add, comment|
+            if add then
+              my_section.add_comment comment
+            else
+              my_section.remove_comment comment
+            end
+          end
+        end
+      else
+        sections.each do |section|
+          add_section group, section.comments
+        end
+      end
+    end
+  end
+
+  ##
+  # Does this object represent a module?
+
+  def module?
+    false
+  end
+
+  ##
+  # Allows overriding the initial name.
+  #
+  # Used for modules and classes that are constant aliases.
+
+  def name= new_name
+    @name = new_name
+  end
+
+  ##
+  # Parses +comment_location+ into an RDoc::Markup::Document composed of
+  # multiple RDoc::Markup::Documents with their file set.
+
+  def parse comment_location
+    case comment_location
+    when String then
+      super
+    when Array then
+      docs = comment_location.map do |comment, location|
+        doc = super comment
+        doc.file = location
+        doc
+      end
+
+      RDoc::Markup::Document.new(*docs)
+    when RDoc::Comment then
+      doc = super comment_location.text, comment_location.format
+      doc.file = comment_location.location
+      doc
+    when RDoc::Markup::Document then
+      return comment_location
+    else
+      raise ArgumentError, "unknown comment class #{comment_location.class}"
+    end
+  end
+
+  ##
+  # Path to this class or module for use with HTML generator output.
+
+  def path
+    http_url @store.rdoc.generator.class_dir
+  end
+
+  ##
+  # Name to use to generate the url:
+  # modules and classes that are aliases for another
+  # module or class return the name of the latter.
+
+  def name_for_path
+    is_alias_for ? is_alias_for.full_name : full_name
+  end
+
+  ##
+  # Returns the classes and modules that are not constants
+  # aliasing another class or module. For use by formatters
+  # only (caches its result).
+
+  def non_aliases
+    @non_aliases ||= classes_and_modules.reject { |cm| cm.is_alias_for }
+  end
+
+  ##
+  # Updates the child modules or classes of class/module +parent+ by
+  # deleting the ones that have been removed from the documentation.
+  #
+  # +parent_hash+ is either <tt>parent.modules_hash</tt> or
+  # <tt>parent.classes_hash</tt> and +all_hash+ is ::all_modules_hash or
+  # ::all_classes_hash.
+
+  def remove_nodoc_children
+    prefix = self.full_name + '::'
+
+    modules_hash.each_key do |name|
+      full_name = prefix + name
+      modules_hash.delete name unless @store.modules_hash[full_name]
+    end
+
+    classes_hash.each_key do |name|
+      full_name = prefix + name
+      classes_hash.delete name unless @store.classes_hash[full_name]
+    end
+  end
+
+  def remove_things my_things, other_files # :nodoc:
+    my_things.delete_if do |file, things|
+      next false unless other_files.include? file
+
+      things.each do |thing|
+        yield false, thing
+      end
+
+      true
+    end
+  end
+
+  ##
+  # Search record used by RDoc::Generator::JsonIndex
+
+  def search_record
+    [
+      name,
+      full_name,
+      full_name,
+      '',
+      path,
+      '',
+      snippet(@comment_location),
+    ]
+  end
+
+  ##
+  # Sets the store for this class or module and its contained code objects.
+
+  def store= store
+    super
+
+    @attributes .each do |attr|  attr.store  = store end
+    @constants  .each do |const| const.store = store end
+    @includes   .each do |incl|  incl.store  = store end
+    @extends    .each do |ext|   ext.store   = store end
+    @method_list.each do |meth|  meth.store  = store end
+  end
+
+  ##
+  # Get the superclass of this class.  Attempts to retrieve the superclass
+  # object, returns the name if it is not known.
+
+  def superclass
+    @store.find_class_named(@superclass) || @superclass
+  end
+
+  ##
+  # Set the superclass of this class to +superclass+
+
+  def superclass=(superclass)
+    raise NoMethodError, "#{full_name} is a module" if module?
+    @superclass = superclass
+  end
+
+  def to_s # :nodoc:
+    if is_alias_for then
+      "#{self.class.name} #{self.full_name} -> #{is_alias_for}"
+    else
+      super
+    end
+  end
+
+  ##
+  # 'module' or 'class'
+
+  def type
+    module? ? 'module' : 'class'
+  end
+
+  ##
+  # Updates the child modules & classes by replacing the ones that are
+  # aliases through a constant.
+  #
+  # The aliased module/class is replaced in the children and in
+  # RDoc::Store#modules_hash or RDoc::Store#classes_hash
+  # by a copy that has <tt>RDoc::ClassModule#is_alias_for</tt> set to
+  # the aliased module/class, and this copy is added to <tt>#aliases</tt>
+  # of the aliased module/class.
+  #
+  # Formatters can use the #non_aliases method to retrieve children that
+  # are not aliases, for instance to list the namespace content, since
+  # the aliased modules are included in the constants of the class/module,
+  # that are listed separately.
+
+  def update_aliases
+    constants.each do |const|
+      next unless cm = const.is_alias_for
+      cm_alias = cm.dup
+      cm_alias.name = const.name
+
+      # Don't move top-level aliases under Object, they look ugly there
+      unless RDoc::TopLevel === cm_alias.parent then
+        cm_alias.parent = self
+        cm_alias.full_name = nil # force update for new parent
+      end
+
+      cm_alias.aliases.clear
+      cm_alias.is_alias_for = cm
+
+      if cm.module? then
+        @store.modules_hash[cm_alias.full_name] = cm_alias
+        modules_hash[const.name] = cm_alias
+      else
+        @store.classes_hash[cm_alias.full_name] = cm_alias
+        classes_hash[const.name] = cm_alias
+      end
+
+      cm.aliases << cm_alias
+    end
+  end
+
+  ##
+  # Deletes from #includes those whose module has been removed from the
+  # documentation.
+  #--
+  # FIXME: includes are not reliably removed, see _possible_bug test case
+
+  def update_includes
+    includes.reject! do |include|
+      mod = include.module
+      !(String === mod) && @store.modules_hash[mod.full_name].nil?
+    end
+
+    includes.uniq!
+  end
+
+  ##
+  # Deletes from #extends those whose module has been removed from the
+  # documentation.
+  #--
+  # FIXME: like update_includes, extends are not reliably removed
+
+  def update_extends
+    extends.reject! do |ext|
+      mod = ext.module
+
+      !(String === mod) && @store.modules_hash[mod.full_name].nil?
+    end
+
+    extends.uniq!
+  end
+
+end
+