class Chronic::Repeater

def self.scan(tokens, options)

:nodoc: 
def self.scan(tokens, options)
  # for each token
  tokens.each_index do |i|
    if t = self.scan_for_season_names(tokens[i]) then tokens[i].tag(t); next end
    if t = self.scan_for_month_names(tokens[i]) then tokens[i].tag(t); next end
    if t = self.scan_for_day_names(tokens[i]) then tokens[i].tag(t); next end
    if t = self.scan_for_day_portions(tokens[i]) then tokens[i].tag(t); next end
    if t = self.scan_for_times(tokens[i], options) then tokens[i].tag(t); next end
    if t = self.scan_for_units(tokens[i]) then tokens[i].tag(t); next end
  end
  tokens
end