Class: ISO8583::FileParser

Inherits:
Object
  • Object
show all
Defined in:
lib/iso8583/file_parser.rb

Constant Summary collapse

PATH_DEFAULT = 
"/shared/bitmap.dat"

Class Method Summary collapse

Class Method Details

.build_klass(mti_format, mti_messages, filepath = PATH_DEFAULT) ⇒ Object 



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# File 'lib/iso8583/file_parser.rb', line 34

def self.build_klass(mti_format, mti_messages, filepath = PATH_DEFAULT)
  Class.new(ISO8583::Message) do |klass|
    klass.include ISO8583
    FileParser.create_mti(klass, mti_format, mti_messages)

    FileParser.parse_file(filepath).each do |parameters|
      klass.bmp(*parameters)
    end
  end
end

.create_mti(klass, format, mti_messages) ⇒ Object 



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# File 'lib/iso8583/file_parser.rb', line 14

def self.create_mti(klass, format, mti_messages)
  klass.mti_format(*format)
  mti_messages.each do |number, description|
    klass.mti number, description
  end
end

.mount_parameters(data) ⇒ Object 



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# File 'lib/iso8583/file_parser.rb', line 6

def self.mount_parameters(data)
  if data[3].match(/[0-9]/)
    [data[1].to_i, "", ISO8583.const_get(data[2]), {:length => data[3].to_i}]
  else
    [data[1].to_i, "", ISO8583.const_get("#{data[3]}_#{data[2]}")]
  end
end

.parse_file(filepath) ⇒ Object 



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# File 'lib/iso8583/file_parser.rb', line 21

def self.parse_file(filepath)
  return [] unless File.exists?(filepath)
  file = File.open(filepath, "r")

  file.readlines.inject([]) do |array, line|
    data = line.match(/([0-9]+)=\"ATT_([a-zA-Z]+);([0-9A-Z]+)/)
    next(array) unless data
    array << mount_parameters(data)
  end
ensure
  file.close if file
end