Class: Conversio::HTMLTableOfContent

Inherits:
Object
  • Object
show all
Defined in:
lib/conversio/htmltoc.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(html_input) ⇒ HTMLTableOfContent

Returns a new instance of HTMLTableOfContent.



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# File 'lib/conversio/htmltoc.rb', line 7

def initialize(html_input)
  @numbering = true
  @table_of_content_div_class = 'toc'
  # Variables
  @html_input = Array.new
  @heading_elements = Array.new
  html_input.split("\n").each { |l| @html_input << l }
  scan_for_heading_elements()
  numbers()
end

Instance Attribute Details

#numbering ⇒ Object

Returns the value of attribute numbering.



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# File 'lib/conversio/htmltoc.rb', line 5

def numbering
  @numbering
end

#table_of_content_div_class ⇒ Object

Returns the value of attribute table_of_content_div_class.



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# File 'lib/conversio/htmltoc.rb', line 5

def table_of_content_div_class
  @table_of_content_div_class
end

Instance Method Details

#get_html ⇒ Object 



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# File 'lib/conversio/htmltoc.rb', line 40

def get_html()
  return get_html_table_of_content() << "\n" << get_html_with_anchors
end

#get_html_table_of_content ⇒ Object 



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# File 'lib/conversio/htmltoc.rb', line 23

def get_html_table_of_content()
  output = String.new
  @heading_elements.each do |heading|  
    index, level, content, anchor, number = heading
    level = level.to_i
    next if level > 3 # only h1,h2, and h3 tags are used
    space = '&nbsp;&nbsp;'
    case level
    when 2 then output << space
    when 3 then output << space << space
    end
    content = "#{number}&nbsp;#{content}" if numbering?
    output << %{<a href="##{anchor}">#{content}</a><br/>\n}
  end
  return %{<div class="#{@table_of_content_div_class}">\n#{output}</div>\n}
end

#get_html_with_anchors ⇒ Object 



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# File 'lib/conversio/htmltoc.rb', line 18

def get_html_with_anchors()
  inject_anchors()
  return @html_input.join("\n")
end