class Asciidoctor::Table

def create_columns(col_specs)
  total_width = 0
  cols = []
  col_specs.each do |col_spec|
    total_width += col_spec['width']
    cols << Column.new(self, cols.size, col_spec)
  end
  unless cols.empty?
    @attributes['colcount'] = cols.size
    even_width = (100.0 / cols.size).floor
    cols.each {|c| c.assign_width(total_width, even_width) }
  end
  @columns = cols
  nil
end

def header_row?
  @has_header_option && @rows.body.empty?
end

def initialize parent, attributes
  super parent, :table
  @rows = Rows.new
  @columns = []
  @has_header_option = attributes.has_key? 'header-option'
  # smell like we need a utility method here
  # to resolve an integer width from potential bogus input
  pcwidth = attributes['width']
  pcwidth_intval = pcwidth.to_i.abs
  if pcwidth_intval == 0 && pcwidth != '0' || pcwidth_intval > 100
    pcwidth_intval = 100
  end
  @attributes['tablepcwidth'] = pcwidth_intval
  if @document.attributes.has_key? 'pagewidth'
    @attributes['tableabswidth'] ||=
        ((@attributes['tablepcwidth'].to_f / 100) * @document.attributes['pagewidth']).round
  end
end

def partition_header_footer(attributes)
  # set rowcount before splitting up body rows
  @attributes['rowcount'] = @rows.body.size
  num_body_rows = @rows.body.size
  if num_body_rows > 0 && @has_header_option
    head = @rows.body.shift
    num_body_rows -= 1
    # styles aren't applied to header row
    head.each {|c| c.style = nil }
    # QUESTION why does AsciiDoc use an array for head? is it
    # possible to have more than one based on the syntax?
    @rows.head = [head]
  end
  if num_body_rows > 0 && attributes.has_key?('footer-option')
    @rows.foot = [@rows.body.pop]
  end
  
  nil
end