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, #reset, #set_processor

Methods included from Eggshell::BaseHandler

#set_processor

Constructor Details

#initialize ⇒ SectionBlocks

# File 'lib/eggshell/bundles/basics.rb', line 422

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 430

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 439

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