Module: ISO8583
- Defined in:
- lib/iso8583/util.rb,
lib/iso8583.rb,
lib/iso8583/codec.rb,
lib/iso8583/field.rb,
lib/iso8583/berlin.rb,
lib/iso8583/bitmap.rb,
lib/iso8583/fields.rb,
lib/iso8583/message.rb,
lib/iso8583/version.rb,
lib/iso8583/exception.rb
Overview
Copyright 2009 by Tim Becker ([email protected]) MIT License, for details, see the LICENSE file accompaning this distribution
Defined Under Namespace
Classes: BCDField, BMP, BerlinMessage, Bitmap, Codec, Field, ISO8583Exception, ISO8583ParseException, Message
Constant Summary collapse
- US_ASCII2IBM037 =
The charsets supported by iconv aren’t guranteed. At the very least MACs don’t support ebcdic, so providing rudimentary mappings here.
[ 0x00, 0x01, 0x02, 0x03, 0x37, 0x2d, 0x2e, 0x2f, 0x16, 0x05, 0x15, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x3c, 0x3d, 0x32, 0x26, 0x18, 0x19, 0x3f, 0x27, 0x1c, 0x1d, 0x1e, 0x1f, 0x40, 0x5a, 0x7f, 0x7b, 0x5b, 0x6c, 0x50, 0x7d, 0x4d, 0x5d, 0x5c, 0x4e, 0x6b, 0x60, 0x4b, 0x61, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0x7a, 0x5e, 0x4c, 0x7e, 0x6e, 0x6f, 0x7c, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xba, 0xe0, 0xbb, 0xb0, 0x6d, 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xc0, 0x4f, 0xd0, 0xa1, 0x07, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, ]
- IBM0372US_ASCII =
[ 0x00, 0x01, 0x02, 0x03, 0x3f, 0x09, 0x3f, 0x7f, 0x3f, 0x3f, 0x3f, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x3f, 0x0a, 0x08, 0x3f, 0x18, 0x19, 0x3f, 0x3f, 0x1c, 0x1d, 0x1e, 0x1f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x0a, 0x17, 0x1b, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x05, 0x06, 0x07, 0x3f, 0x3f, 0x16, 0x3f, 0x3f, 0x3f, 0x3f, 0x04, 0x3f, 0x3f, 0x3f, 0x3f, 0x14, 0x15, 0x3f, 0x1a, 0x20, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x2e, 0x3c, 0x28, 0x2b, 0x7c, 0x26, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x21, 0x24, 0x2a, 0x29, 0x3b, 0x3f, 0x2d, 0x2f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x2c, 0x25, 0x5f, 0x3e, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x60, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22, 0x3f, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x7e, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x5e, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x5b, 0x5d, 0x3f, 0x3f, 0x3f, 0x3f, 0x7b, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x7d, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x5c, 0x3f, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, ]
- ASCII_Number =
ASCII_Number
Codec.new
- PASS_THROUGH_DECODER =
lambda{|str| str.strip # remove padding }
- Packed_Number =
Takes a number or str representation of a number and BCD encodes it, e.g. “1234” => “x12x34” 3456 => “x34x56”
right justified with null … (correct to do this? almost certainly not…)
Codec.new
- A_Codec =
Codec.new
- AN_Codec =
Codec.new
- ANP_Codec =
Codec.new
- ANS_Codec =
Codec.new
- Null_Codec =
Codec.new
- Track2 =
Codec.new
- MMDDhhmmssCodec =
_date_codec("%m%d%H%M%S")
- HhmmssCodec =
_date_codec("%H%M%S")
- YYMMDDhhmmssCodec =
_date_codec("%y%m%d%H%M%S")
- YYMMCodec =
_date_codec("%y%m")
- MMDDCodec =
_date_codec("%m%d")
- LL =
Special form to de/encode variable length indicators, two bytes ASCII numerals
Field.new
- LLL =
Special form to de/encode variable length indicators, three bytes ASCII numerals
Field.new
- LL_BCD =
BCDField.new
- LLVAR_N =
Two byte variable length ASCII numeral, payload ASCII numerals
Field.new
- LLLVAR_N =
Three byte variable length ASCII numeral, payload ASCII numerals
Field.new
- LLVAR_Z =
Two byte variable length ASCII numeral, payload Track2 data
Field.new
- LLVAR_AN =
Two byte variable length ASCII numeral, payload ASCII, fixed length, zeropadded (right)
Field.new
- LLVAR_ANS =
Two byte variable length ASCII numeral, payload ASCII+special
Field.new
- LLLVAR_AN =
Three byte variable length ASCII numeral, payload ASCII, fixed length, zeropadded (right)
Field.new
- LLLVAR_ANS =
Three byte variable length ASCII numeral, payload ASCII+special
Field.new
- LLVAR_B =
Two byte variable length binary payload
Field.new
- LLLVAR_B =
Three byte variable length binary payload
Field.new
- N =
Fixed lengh numerals, repesented in ASCII, padding right justified using zeros
Field.new
- N_BCD =
BCDField.new
- PADDING_LEFT_JUSTIFIED_SPACES =
lambda {|val, len| sprintf "%-#{len}s", val }
- A =
Fixed length ASCII letters [A-Za-z]
Field.new
- AN =
Fixed lengh ASCII [A-Za-z0-9], padding left justified using spaces.
Field.new
- ANP =
Fixed lengh ASCII [A-Za-z0-9] and space, padding left, spaces
Field.new
- ANS =
Fixed length ASCII [x20-x7E], padding left, spaces
Field.new
- B =
Binary data, padding left using nulls (0x00)
Field.new
- MMDDhhmmss =
Date, formatted as described in ASCII numerals
Field.new
- YYMMDDhhmmss =
Date, formatted as described in ASCII numerals
Field.new
- YYMM =
Date, formatted as described in ASCII numerals
Field.new
- MMDD =
Field.new
- Hhmmss =
Field.new
- VERSION =
"0.1.6"
Class Method Summary collapse
Instance Method Summary collapse
- #_conv(str, mapping) ⇒ Object
-
#ascii2ebcdic(ascii) ⇒ Object
Convert a String of ASCII chars to EBCDIC.
-
#b2hex(byte_string) ⇒ Object
general utilities.
-
#ebcdic2ascii(ebcdic) ⇒ Object
Convert an EBCDIC String to ASCII.
-
#hex2b(hex_string) ⇒ Object
Convert a String containing hex data to a String containing the corresponding bytes:.
Class Method Details
._date_codec(fmt) ⇒ Object
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# File 'lib/iso8583/codec.rb', line 168 def self._date_codec(fmt) c = Codec.new c.encoder = lambda {|date| enc = case date when DateTime, Date, Time date.strftime(fmt) when String begin dt = DateTime.strptime(date, fmt) dt.strftime(fmt) rescue raise ISO8583Exception.new("Invalid format encoding: #{date}, must be #{fmt}.") end else raise ISO8583Exception.new("Don't know how to encode: #{date.class} to a time.") end return enc } c.decoder = lambda {|str| begin DateTime.strptime(str, fmt) rescue raise ISO8583Exception.new("Invalid format decoding: #{str}, must be #{fmt}.") end } c end |
Instance Method Details
#_conv(str, mapping) ⇒ Object
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# File 'lib/iso8583/util.rb', line 32 def _conv(str, mapping) _str = "" str.each_byte{|byte| _str << mapping[byte] } _str end |
#ascii2ebcdic(ascii) ⇒ Object
Convert a String of ASCII chars to EBCDIC
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# File 'lib/iso8583/util.rb', line 43 def ascii2ebcdic(ascii) _conv(ascii, US_ASCII2IBM037) end |
#b2hex(byte_string) ⇒ Object
general utilities
Convert a String of bytes to their hex representation E.g.:
b2hex "\x12\x34\xab" => "1234AB"
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# File 'lib/iso8583/util.rb', line 14 def b2hex(byte_string) r = byte_string.unpack("H*")[0] r.length > 1 ? r : " " end |
#ebcdic2ascii(ebcdic) ⇒ Object
Convert an EBCDIC String to ASCII
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# File 'lib/iso8583/util.rb', line 50 def ebcdic2ascii(ebcdic) _conv(ebcdic, IBM0372US_ASCII) end |
#hex2b(hex_string) ⇒ Object
Convert a String containing hex data to a String containing the corresponding bytes:
hex2b "abcd12" => "\xa\cd\12"
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# File 'lib/iso8583/util.rb', line 25 def hex2b(hex_string) string = hex_string.gsub(/\s+/, "") raise ISO8583Exception.new("Invalid Hex chars: #{hex_string}") unless string =~ /^[A-Fa-f0-9]*$/ raise ISO8583Exception.new("Uneven number of Hex chars #{hex_string}") unless ( (string.length % 2) == 0) [string].pack("H*") end |