Class: Eggshell::Bundles::Basic::ListBlocks

Inherits:
Object
  • Object
show all
Includes:
Eggshell::BlockHandler, Eggshell::BlockHandler::BlockParams, Eggshell::BlockHandler::HtmlUtils
Defined in:
lib/eggshell/bundles/basics.rb

Constant Summary collapse

START_LIST = 
/^(ol|ul|dl)[(.]/
START_LIST_SHORT = 
/^\s*([#>-])/

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 collapse

Methods included from Eggshell::BlockHandler::HtmlUtils

#attrib_string, #create_tag, #css_string, #html_escape, #inject_attribs

Methods included from Eggshell::BlockHandler::BlockParams

#get_block_params, #set_block_params

Methods included from Eggshell::BlockHandler

#current_type, #reset, #set_processor

Methods included from Eggshell::BaseHandler

#set_processor

Constructor Details

#initialize ⇒ ListBlocks

Returns a new instance of ListBlocks.



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# File 'lib/eggshell/bundles/basics.rb', line 340

def initialize
  @block_types = ['ul', 'ol', 'dl']
end

Instance Method Details

#can_handle(line) ⇒ Object 



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# File 'lib/eggshell/bundles/basics.rb', line 347

def can_handle(line)
  match = START_LIST.match(line)
  if match
    @block_type = match[1]
    return BH::COLLECT
  end

  match = START_LIST_SHORT.match(line)
  if match
    if match[1] == '>'
      @block_type = 'dl'
    else
      @block_type = match[1] == '-' ? 'ul' : 'ol'
    end
    return BH::COLLECT
  end
  
  return BH::RETRY
end

#continue_with(line) ⇒ Object 



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# File 'lib/eggshell/bundles/basics.rb', line 367

def continue_with(line)
  if line == nil || line == "" || !START_LIST_SHORT.match(line)
    return BH::RETRY
  else
    return BH::COLLECT
  end
end

#equal?(handler, type) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eggshell/bundles/basics.rb', line 431

def equal?(handler, type)
  self.class == handler.class && (type == 'ol' || type == 'ul')
end

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



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# File 'lib/eggshell/bundles/basics.rb', line 376

def process(type, args, lines, out, call_depth = 0)
  if type == 'dl'
    # @todo
  else
    order_stack = []
    otype_stack = []
    last = nil
    first_type = nil

    if lines[0] && !lines[0].match(/[-#]/)
      line = lines.shift
    end

    lines.each do |line_obj|
      line = line_obj.is_a?(Eggshell::Line) ? line_obj.line : line_obj
      indent = line_obj.indent_lvl
      ltype = line[0] == '-' ? 'ul' : 'ol'
      line = line[1..line.length].strip

      if order_stack.length == 0
        # use the given type to start; infer for sub-lists
        order_stack << create_tag(type, get_block_params(type, args[0]))
        otype_stack << type
      # @todo make sure that previous item was a list
      # remove closing li to enclose sublist
      elsif indent > (otype_stack.length-1) && order_stack.length > 0
        last = order_stack[-1]
        last = last[0...last.length-5]
        order_stack[-1] = last

        order_stack << "#{"\t"*indent}<#{ltype}>"
        otype_stack << ltype
      elsif indent < (otype_stack.length-1)
        count = otype_stack.length - 1
        while count > indent
          ltype = otype_stack.pop  
          order_stack << "#{"\t"*count}</#{ltype}>\n#{"\t"*(count-1)}</li>"
          count -= 1
        end
      end
      order_stack << "#{"\t"*indent}<li>#{line}</li>"
    end

    # close nested lists
    d = otype_stack.length
    c = 1
    otype_stack.reverse.each do |ltype|
      ident = d - c
      order_stack << "#{"\t" * ident}</#{ltype}>\n#{ident-1 >= 0 ? "\t"*(ident-1) : ''}#{c == d ? '' : "</li>"}"
      c += 1
    end
    out << @eggshell.expand_all(order_stack.join("\n"))
  end
end