Class: Eggshell::Bundles::Basic::SectionBlocks

Inherits:

Object

• Object
• Eggshell::Bundles::Basic::SectionBlocks

Includes:

Eggshell::BlockHandler, Eggshell::BlockHandler::BlockParams, Eggshell::BlockHandler::HtmlUtils

Defined in:

lib/eggshell/bundles/basics.rb

Constant Summary

SECTION =

'section'

SECTION_END =

'section-end'

TOC_TEMPLATE =

{
  :default => "<div class='toc-h$level'><a href='\#$id'>$title</a></div>"
}

START =

/^(h[1-6]|section|toc)[(.]/

Constants included from Eggshell::BlockHandler::HtmlUtils

Eggshell::BlockHandler::HtmlUtils::HASH_HTML_ESCAPE

Constants included from Eggshell::BlockHandler::BlockParams

Eggshell::BlockHandler::BlockParams::ATTRIBUTES, Eggshell::BlockHandler::BlockParams::CLASS, Eggshell::BlockHandler::BlockParams::ID, Eggshell::BlockHandler::BlockParams::KEYS, Eggshell::BlockHandler::BlockParams::STYLE

Constants included from Eggshell::BlockHandler

Eggshell::BlockHandler::COLLECT, Eggshell::BlockHandler::COLLECT_RAW, Eggshell::BlockHandler::DONE, Eggshell::BlockHandler::RETRY

Instance Method Summary

• #can_handle(line) ⇒ Object
• #initialize ⇒ SectionBlocks constructor

  A new instance of SectionBlocks.

• #process(type, args, lines, out, call_depth = 0) ⇒ Object

Methods included from Eggshell::BlockHandler::HtmlUtils

#attrib_string, #create_tag, #css_string, #html_escape

Methods included from Eggshell::BlockHandler::BlockParams

#get_block_params, #set_block_params

Methods included from Eggshell::BlockHandler

#continue_with, #current_type, #equal?, #reset, #set_processor

Methods included from Eggshell::BaseHandler

#set_processor

Constructor Details

#initialize ⇒ SectionBlocks

Returns a new instance of SectionBlocks.

# File 'lib/eggshell/bundles/basics.rb', line 426

def initialize
  @block_types = ['h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', SECTION, SECTION_END, 'toc']
  @header_list = []
  @header_idx = {}
end

Instance Method Details

#can_handle(line) ⇒ Object

# File 'lib/eggshell/bundles/basics.rb', line 434

def can_handle(line)
  match = START.match(line)
  if match
    @block_type = match[1]
    return @block_type != 'toc' ? BH::DONE : BH::COLLECT
  end
  return BH::RETRY
end

#process(type, args, lines, out, call_depth = 0) ⇒ Object

# File 'lib/eggshell/bundles/basics.rb', line 443

def process(type, args, lines, out, call_depth = 0)
  bp = get_block_params(type, args[0])
  line = lines[0]
  line = line.line.strip if line.is_a?(Eggshell::Line)

  if type[0] == 'h'
    if type == 'hr'
      out << create_tag(type, bp, false)
    else
      lvl = type[1].to_i

      # assign unique id
      id = bp['id'] || line.downcase.strip.gsub(/[^a-z0-9_-]+/, '-')
      lid = id
      i = 1
      while @header_idx[lid] != nil
        lid = "#{id}-#{i}"
        i += 1
      end
      id = lid
      bp['id'] = id
      title = @eggshell.expand_formatting(line)

      out << "#{create_tag(type, bp)}#{title}</#{type}>"

      @header_list << {:level => lvl, :id => lid, :title => title, :tag => type}
      @header_idx[lid] = @header_list.length - 1
    end
  elsif type == SECTION
    out << create_tag(SECTION, bp)
    @header_list << type
  elsif type == SECTION_END
    out << '</section>'
    @header_list << type
  elsif type == 'toc'
    # first, parse the toc definitions from lines
    toc_template = TOC_TEMPLATE.clone
    lines.each do |line_obj|
      line = line_obj.is_a?(Eggshell::Line) ? line_obj.line : line
      key, val = line.split(':', 2)
      toc_template[key.to_sym] = val
    end

    # now go through collected headers and sections and generate toc
    out << @eggshell.expand_formatting(toc_template[:start]) if toc_template[:start]
    @header_list.each do |entry|
      if entry == SECTION
        out << @eggshell.expand_formatting(toc_template[:section]) if toc_template[:section]
      elsif entry == SECTION_END
        out << @eggshell.expand_formatting(toc_template[:section_end]) if toc_template[:section_end]
      elsif entry.is_a?(Hash)
        tpl = toc_template[entry[:tag]] || toc_template[:default]
        out << @eggshell.expand_formatting(
          tpl.gsub('$id', entry[:id]).gsub('$title', entry[:title]).gsub('$level', entry[:level].to_s)
        )
      end
    end
    out << @eggshell.expand_formatting(toc_template[:end]) if toc_template[:end]
  end
end