Module: Browscapper::CSVReader

Extended by:
Reader
Defined in:
lib/browscapper/reader/csv_reader.rb

Constant Summary collapse

CSV_ENGINE = 
if defined?(FasterCSV)
  FasterCSV
else
  CSV
end

Class Method Summary collapse

Methods included from Reader

pattern_to_regexp

Class Method Details

.load(file) ⇒ Object 



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# File 'lib/browscapper/reader/csv_reader.rb', line 20

def load(file)
  csv = CSV_ENGINE.open(file, 'rb')

  # skip header
  2.times { csv.shift }
  headers = csv.shift

  entries = Hash.new

  csv.each do |l|
    entry = UserAgent.new
    headers.each_with_index do |v, i|
      entry[v] = case l[i]
        when 'false'
          false
        when 'true'
          true
        when /^\d+$/
          l[i].to_i
        else
          l[i]
      end
    end

    entry.user_agent = if entry.user_agent
      entry.user_agent.sub!(/^\[(.+)\]$/, '\1')
    elsif entry.browser
      entry.browser
    end

    entry.pattern = pattern_to_regexp(entry.property_name.to_s)

    if entries[entry.parent]
      entry.merge!(entries[entry.parent])
    end

    entries[entry.user_agent] = entry
  end

  entries
end