Class: BaiParser::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/bai_parser.rb

Constant Summary collapse

RECORD_CODES = 
{'01' => :file_header,
'02' => :group_header,
'03' => :account_identifier,
'16' => :transaction_detail,
'49' => :account_trailer,
'88' => :continuation,
'98' => :group_trailer,
'99' => :file_trailer }
FIELDS = 
{:file_header => [:record_code,:sender_identification, :receiver_identification, :file_creation_date, :file_creation_time,
                 :file_identification_number, :physical_record_length, :block_size, :version_number],
:group_header => [:record_code,:ultimate_receiver_identification, :originator_identification, :group_status, :as_of_date,
                  :as_of_time, :currency_code, :as_of_date_modifier],
:group_trailer => [:record_code,:group_control_total, :number_of_accounts, :number_of_records],
:account_trailer => [:record_code,:account_control_total, :number_of_records],
:file_trailer => [:record_code,:file_control_total, :number_of_groups, :number_of_records]                          
}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/bai_parser.rb', line 26

def initialize
  @data = {}
end

Class Method Details

.parse(filename_or_file_contents) ⇒ Object 



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# File 'lib/bai_parser.rb', line 30

def self.parse(filename_or_file_contents)
  p = self.new
  p.parse filename_or_file_contents
end

Instance Method Details

#parse(filename_or_file_contents) ⇒ Object 



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# File 'lib/bai_parser.rb', line 35

def parse(filename_or_file_contents)
  if File.file? filename_or_file_contents
    f = File.open(filename_or_file_contents)
  elsif filename_or_file_contents =~ /^01,/
    f = StringIO.new(filename_or_file_contents)
  else
    raise ArgumentError, "Did not provide valid BAI data (does not start with 01 File Header record) or valid file name"
  end
  record = next_line = f.gets.chomp
  count = 1
  loop do
    loop do # gather continuation lines
      next_line = f.gets
      break if next_line.nil?
      next_line.chomp!
      count += 1
      if next_line[0..1] == '88'
        record.sub!(/\/\s*$/,',')
        record += next_line[3..-1]
      else
        break
      end
    end
    record.sub!(/\/\s*$/,'')
    self.send RECORD_CODES[record[0..1]], record
    break if next_line.nil?
    record = next_line
  end
  f.close
  return @data
end