Class: Hatemile::Implementation::AccessibleCSSImplementation

Inherits:
AccessibleCSS
  • Object
show all
Defined in:
lib/hatemile/implementation/accessible_css_implementation.rb

Overview

The AccessibleCSSImplementation class is official implementation of AccessibleCSS.

Constant Summary collapse

DATA_ISOLATOR_ELEMENT =

The name of attribute for identify isolator elements.

'data-auxiliarspan'.freeze
DATA_SPEAK =

The name of attribute for identify the element created or modified to support speak property.

'data-cssspeak'.freeze
DATA_SPEAK_AS =

The name of attribute for identify the element created or modified to support speak-as property.

'data-cssspeakas'.freeze
VALID_INHERIT_TAGS =

The valid element tags for inherit the speak and speak-as properties.

%w[
  SPAN A RT DFN ABBR Q CITE EM TIME VAR SAMP I B SUB SUP SMALL STRONG
  MARK RUBY INS DEL KBD BDO CODE P FIGCAPTION FIGURE PRE DIV OL UL LI
  BLOCKQUOTE DL DT DD FIELDSET LEGEND LABEL FORM BODY ASIDE ADDRESS H1 H2
  H3 H4 H5 H6 SECTION HEADER NAV ARTICLE FOOTER HGROUP CAPTION SUMMARY
  DETAILS TABLE TR TD TH TBODY THEAD TFOOT
].freeze
VALID_TAGS =

The valid element tags for speak and speak-as properties.

%w[
  SPAN A RT DFN ABBR Q CITE EM TIME VAR SAMP I B SUB SUP SMALL STRONG MARK
  RUBY INS DEL KBD BDO CODE P FIGCAPTION FIGURE PRE DIV LI BLOCKQUOTE DT
  DD FIELDSET LEGEND LABEL FORM BODY ASIDE ADDRESS H1 H2 H3 H4 H5 H6
  SECTION HEADER NAV ARTICLE FOOTER CAPTION SUMMARY DETAILS TD TH
].freeze

Instance Method Summary collapse

Constructor Details

#initialize(html_parser, css_parser, configure, symbol_file_name = nil) ⇒ AccessibleCSSImplementation

Initializes a new object that improve the accessibility of associations of parser.

Parameters:



710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
 
# File 'lib/hatemile/implementation/accessible_css_implementation.rb', line 710

def initialize(html_parser, css_parser, configure, symbol_file_name = nil)
  Hatemile::Helper.require_not_nil(html_parser, css_parser, configure)
  Hatemile::Helper.require_valid_type(
    html_parser,
    Hatemile::Util::Html::HTMLDOMParser
  )
  Hatemile::Helper.require_valid_type(
    css_parser,
    Hatemile::Util::Css::StyleSheetParser
  )
  Hatemile::Helper.require_valid_type(
    configure,
    Hatemile::Util::Configure
  )
  Hatemile::Helper.require_valid_type(symbol_file_name, String)

  @html_parser = html_parser
  @css_parser = css_parser
  @configure = configure
  @id_generator = Hatemile::Util::IDGenerator.new('css')
  set_symbols(symbol_file_name)
end

Instance Method Details

#provide_all_speak_properties ⇒ Object

See Also:



749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
 
# File 'lib/hatemile/implementation/accessible_css_implementation.rb', line 749

def provide_all_speak_properties
  selector = nil
  rules = @css_parser.get_rules(
    %w[speak speak-punctuation speak-numeral speak-header speak-as]
  )
  rules.each do |rule|
    selector = if selector.nil?
                 rule.get_selector
               else
                 "#{selector},#{rule.get_selector}"
               end
  end

  return if selector.nil?

  @html_parser.find(selector).list_results.each do |element|
    if Hatemile::Util::CommonFunctions.is_valid_element?(element)
      provide_speak_properties(element)
    end
  end
end

#provide_speak_properties(element) ⇒ Object

See Also:



735
736
737
738
739
740
741
742
743
744
745
 
# File 'lib/hatemile/implementation/accessible_css_implementation.rb', line 735

def provide_speak_properties(element)
  rules = @css_parser.get_rules(
    %w[speak speak-punctuation speak-numeral speak-header speak-as]
  )
  rules.each do |rule|
    speak_elements = @html_parser.find(rule.get_selector).list_results
    if speak_elements.include?(element)
      provide_speak_properties_with_rule(element, rule)
    end
  end
end