Module: TrickBag::BinaryToHexAndAscii

Defined in:
lib/trick_bag/formatters/binary_to_hex_and_ascii.rb

Overview

0x 0 00 07 0E 15 | 1C 23 2A 31 | 38 3F 46 4D | 54 5B 62 69 .….#*18?FMT[bi 0x 10 70 77 7E 85 | 8C 93 9A A1 | A8 AF B6 BD | C4 CB D2 D9 pw~.….….….

Class Method Summary collapse

Class Method Details

.ascii_char(byte) ⇒ Object 



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# File 'lib/trick_bag/formatters/binary_to_hex_and_ascii.rb', line 52

def ascii_char(byte)
  (32..126).include?(byte) ? byte.chr : '.'
end

.ascii_string(bytes) ⇒ Object 



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# File 'lib/trick_bag/formatters/binary_to_hex_and_ascii.rb', line 57

def ascii_string(bytes)
  bytes.map { |b| ascii_char(b) }.join
end

.bytes_as_hex(bytes) ⇒ Object 



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# File 'lib/trick_bag/formatters/binary_to_hex_and_ascii.rb', line 37

def bytes_as_hex(bytes)
  bytes.map { |b| "%02X" % b }.join(' ')
end

.format(byte_array_or_string) ⇒ Object 



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# File 'lib/trick_bag/formatters/binary_to_hex_and_ascii.rb', line 20

def format(byte_array_or_string)
  byte_array = if byte_array_or_string.is_a?(String)
    byte_array_or_string.bytes
  else
    byte_array_or_string
  end

  result = ''
  offset = 0
  byte_array.each_slice(16) do |bytes|
    result << format_line(offset, bytes) << "\n"
    offset += 16
  end
  result
end

.format_line(offset, bytes) ⇒ Object 



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# File 'lib/trick_bag/formatters/binary_to_hex_and_ascii.rb', line 62

def format_line(offset, bytes)
  sections = bytes.each_slice(4).to_a.map { |slice| bytes_as_hex(slice) }

  offset_string(offset) \
      << '  ' \
      << join_hex_sections(sections).ljust(53) \
      << '  ' \
      << ascii_string(bytes)
end

.join_hex_sections(sections) ⇒ Object 



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# File 'lib/trick_bag/formatters/binary_to_hex_and_ascii.rb', line 47

def join_hex_sections(sections)
  sections.join(' | ')
end

.offset_string(offset) ⇒ Object 



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# File 'lib/trick_bag/formatters/binary_to_hex_and_ascii.rb', line 42

def offset_string(offset)
  "0x%4X" % [offset] # Offset, e.g. "0x   0" or "0x  10"
end