class ATV

# File lib/atv.rb, line 44
def self.from_string(string)
  self.new(StringIO.new(string))
end

# File lib/atv.rb, line 19
def initialize(io)
  @io = io
  @has_separators = has_separators?(@io)
  @io.rewind
  @io.readline
  @headers = split_table_line(@io.readline.chomp)
  @io.readline
end

# File lib/atv.rb, line 28
def each
  line_data = []
  @io.each_line do |line|
    next if line =~ COMMENT_LINE_RE
    if (!@has_separators && !line_data.empty?) || line =~ SEPARATOR_LINE_RE
      folded_items = line_data.transpose.map { |tokens| tokens.join(' ').rstrip }
      converted_folded_items = folded_items.map { |token| SUBSTITUTIONS.has_key?(token) ? SUBSTITUTIONS[token] : token }
      csv_row = CSV::Row.new(@headers, converted_folded_items)
      yield csv_row if csv_row.size > 0
      line_data = []
      next if @has_separators
    end
    line_data << split_table_line(line)
  end
end

# File lib/atv.rb, line 56
def has_separators?(io)
  @io.readline
  @io.readline
  @io.readline
  separator_count = 0
  @io.each_line do |line|
    if line =~ SEPARATOR_LINE_RE
      separator_count += 1
      return true if separator_count > 1
    end
  end
  false
end

# File lib/atv.rb, line 50
def split_table_line(line)
  line.strip!
  return [] if line.empty?
  line[1..-1].split('|').map(&:strip)
end