Class: Repubmark::Elems::ListItem

Inherits:
Base
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/repubmark/elems/list_item.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#parent

Instance Method Summary collapse

Methods inherited from Base

#absolute_url, #config, #count_words, #html_class, #own_url, parent?, parents, #relative_url

Constructor Details

#initialize(parent, index, titled_ref = nil) ⇒ ListItem

Returns a new instance of ListItem.



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# File 'lib/repubmark/elems/list_item.rb', line 12

def initialize(parent, index, titled_ref = nil)
  super parent

  self.index = index
  self.titled_ref = titled_ref

  @caption = Caption.new self
  @sublist = nil
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name) ⇒ Object 



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# File 'lib/repubmark/elems/list_item.rb', line 96

def method_missing(method_name, ...)
  if @caption.respond_to? method_name
    raise 'Caption after sublist' if @sublist

    @caption.public_send(method_name, ...)
  else
    super
  end
end

Instance Attribute Details

#index ⇒ Object

Returns the value of attribute index.



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# File 'lib/repubmark/elems/list_item.rb', line 10

def index
  @index
end

#titled_ref ⇒ Object

Returns the value of attribute titled_ref.



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# File 'lib/repubmark/elems/list_item.rb', line 10

def titled_ref
  @titled_ref
end

Instance Method Details

#build_ref(format) ⇒ Object (private) 



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# File 'lib/repubmark/elems/list_item.rb', line 133

def build_ref(format)
  return if titled_ref.nil?

  case format
  when :html
    "<a href=\"#{titled_ref.url}\">#{titled_ref.title}</a>\n".freeze
  when :gemtext
    "=> #{titled_ref.url} #{unicode_decor_own}#{titled_ref.title} ".freeze
  else
    raise 'Invalid format'
  end
end

#last? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/repubmark/elems/list_item.rb', line 62

def last? = index >= parent.items_count - 1

#level ⇒ Object

Helper methods #



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# File 'lib/repubmark/elems/list_item.rb', line 60

def level = parent.level

#parent=(parent) ⇒ Object (private) 



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# File 'lib/repubmark/elems/list_item.rb', line 108

def parent=(parent)
  unless parent.instance_of? List
    raise TypeError, "Expected #{List}, got #{parent.class}"
  end

  @parent = parent
end

#respond_to_missing?(method_name, _include_private) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/repubmark/elems/list_item.rb', line 92

def respond_to_missing?(method_name, _include_private)
  @caption.respond_to?(method_name) || super
end

#subolist {|@sublist| ... } ⇒ Object

Builder methods #

Yields:

  • (@sublist) 


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# File 'lib/repubmark/elems/list_item.rb', line 74

def subolist
  raise 'No nested link lists' if titled_ref
  raise 'Sublist already exists' if @sublist

  @sublist = List.new self, links: false, ordered: true
  yield @sublist
  nil
end

#subulist {|@sublist| ... } ⇒ Object

Yields:

  • (@sublist) 


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# File 'lib/repubmark/elems/list_item.rb', line 83

def subulist
  raise 'No nested link lists' if titled_ref
  raise 'Sublist already exists' if @sublist

  @sublist = List.new self, links: false, ordered: false
  yield @sublist
  nil
end

#to_gemtext ⇒ Object 



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# File 'lib/repubmark/elems/list_item.rb', line 45

def to_gemtext
  [
    if titled_ref
      "#{build_ref(:gemtext)}#{@caption.to_gemtext}".strip
    else
      "* #{unicode_decor_own}#{@caption.to_gemtext}".strip
    end,
    @sublist&.to_gemtext,
  ].join("\n").freeze
end

#to_html ⇒ Object 



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# File 'lib/repubmark/elems/list_item.rb', line 35

def to_html
  [
    "<li>\n",
    build_ref(:html),
    @caption.to_html,
    @sublist&.to_html,
    "</li>\n",
  ].join.freeze
end

#to_summary_plain ⇒ Object 



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# File 'lib/repubmark/elems/list_item.rb', line 28

def to_summary_plain
  [
    @caption.to_summary_plain,
    @sublist&.to_summary_plain,
  ].compact.join("\n").freeze
end

#unicode_decor_own ⇒ Object 



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# File 'lib/repubmark/elems/list_item.rb', line 64

def unicode_decor_own
  "#{parent.unicode_decor}#{last? ? '└' : '├'} " unless level.zero?
end

#unicode_decor_parent ⇒ Object 



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# File 'lib/repubmark/elems/list_item.rb', line 68

def unicode_decor_parent = parent.unicode_decor

#word_count ⇒ Object

Basic methods #



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# File 'lib/repubmark/elems/list_item.rb', line 26

def word_count = @caption.word_count + (@sublist&.word_count || 0)