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# File 'lib/production_log/action_grep.rb', line 5
def grep(action_name, file_name)
unless action_name =~ /\A([A-Z][A-Za-z\d]*)(?:#([A-Za-z]\w*))?\Z/ then
raise ArgumentError, "Invalid action name #{action_name} expected something like SomeController#action"
end
unless File.file? file_name and File.readable? file_name then
raise ArgumentError, "Unable to read #{file_name}"
end
buckets = Hash.new { |h,k| h[k] = [] }
comp_count = Hash.new 0
File.open file_name do |fp|
LogParser.detect_mode(fp)
fp.each_line do |line|
bucket, data = LogParser.extract_bucket_and_data(line)
next if !bucket
buckets[bucket] << line
case data
when /^Start rendering component / then
comp_count[bucket] += 1
when /^End of component rendering$/ then
comp_count[bucket] -= 1
when /^Completed/ then
next unless comp_count[bucket] == 0
action = buckets.delete bucket
next unless action.any? { |l| l =~ /Processing #{action_name}/ }
puts action.join
end
end
end
end
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