Class: Document

Inherits:
Object
  • Object
show all
Defined in:
lib/almirah/dom/document.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(headings_list) ⇒ Document

Returns a new instance of Document.



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# File 'lib/almirah/dom/document.rb', line 6

def initialize(headings_list)
  @root_section = nil

  build_sections_tree(headings_list)
end

Instance Attribute Details

#root_section ⇒ Object

Returns the value of attribute root_section.



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# File 'lib/almirah/dom/document.rb', line 4

def root_section
  @root_section
end

Instance Method Details

#build_sections_tree(headings_list) ⇒ Object 



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# File 'lib/almirah/dom/document.rb', line 12

def build_sections_tree(headings_list)
  sections_stack = []
  headings_list.each do |h|
    if @root_section.nil?

      s = DocSection.new(h)
      s.parent_section = nil
      @root_section = s
      sections_stack.push s
      # one more artificial section copy if root is not a Document Title (level 0)
      if h.level.positive?
        a = DocSection.new(h)
        a.parent_section = @root_section
        @root_section.sections.append(a)
        sections_stack.push a
      end

    elsif sections_stack[-1].heading.level == h.level

      s = DocSection.new(h)
      s.parent_section = sections_stack[-1].parent_section
      sections_stack[-1].parent_section.sections.append(s)
      sections_stack[-1] = s
      # for search engine
      s.heading.parent_heading = s.parent_section.heading

    elsif h.level > sections_stack[-1].heading.level

      s = DocSection.new(h)
      s.parent_section = sections_stack[-1]
      sections_stack[-1].sections.append(s)
      sections_stack.push s
      # for search engine
      s.heading.parent_heading = s.parent_section.heading

    else
      sections_stack.pop while h.level < sections_stack[-1].heading.level
      sections_stack.push @root_section if sections_stack.empty?
      s = DocSection.new(h)
      if h.level == sections_stack[-1].heading.level
        s.parent_section = sections_stack[-1].parent_section
        sections_stack[-1].parent_section.sections.append(s)
      else
        s.parent_section = sections_stack[-1]
        sections_stack[-1].sections.append(s)
      end
      sections_stack[-1] = s
      # for search engine
      s.heading.parent_heading = s.parent_section.heading
    end
  end
end

#section_tree_to_html ⇒ Object 



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# File 'lib/almirah/dom/document.rb', line 65

def section_tree_to_html
  s = ''
  s += "<a href=\"##{@root_section.heading.anchor_id}\">#{@root_section.heading.get_section_info}</a>\n"
  unless @root_section.sections.empty?
    s += "\t<ul class=\"fa-ul\" style=\"margin-top: 2px;\">\n"
    @root_section.sections.each do |sub_section|
      s += sub_section.to_html
    end
    s += "\t</ul>\n"
  end

  s
end