module EnvCompat

Constants

VERSION

Public Class Methods

auto(tag, str) click to toggle source

# File lib/env_compat.rb, line 5
def auto tag, str
  if str[/#{tag}_/i]
    decode str[tag.length.+(1)..-1]
  else
    "#{tag.upcase}_#{encode str}"
  end
end

decode(str) click to toggle source

# File lib/env_compat.rb, line 29
def decode str
  builder = ''
  _ = CodeBlock.new
  str.chars.each do |chr|
    next _.cycle if chr == '_'
    if _.in_block?
      case chr
      when *mapping.keys
        builder << mapping[chr]
      else
        raise "Invalid input!"
      end
    else
      builder << chr
    end
  end
  builder.upcase
end

encode(str) click to toggle source

# File lib/env_compat.rb, line 13
def encode str
  builder = ''
  _ = CodeBlock.new
  str.chars.each do |chr|
    case chr
    when *mapping.values
      builder = _.toggle(builder) unless _.in_block?
      builder << mapping.invert[chr]
    else
      builder = _.toggle(builder) if _.in_block?
      builder << chr
    end
  end
  builder.upcase
end

Private Class Methods

mapping() click to toggle source

# File lib/env_compat.rb, line 49
def mapping
  {
    'F' => '/', # Forward Slash
    'C' => ':', # Colon
    'M' => '-', # Minus
    'U' => '_', # Underscore
    'D' => '.'  # Dot
  }
end