Class: String

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

Constant Summary collapse

NATOALPHA = 
["alfa", "bravo", "charlie", "delta", "echo", "foxtrot", "golf", "hotel",
"india", "juliet", "kilo", "lima", "mike", "november", "oscar", "papa",
"quebec", "romeo", "sierra", "tango", "uniform", "victor", "whiskey",
"xray", "yankee", "zulu"]
NATODIGITS = 
["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]

Instance Method Summary collapse

Instance Method Details

#to_nato ⇒ Object

Returns a NATO alphabet version of the string



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# File 'lib/passmakr.rb', line 315

def to_nato
    result = nil

    # for strings we call ourself recursively for each char to build up the eventual string
    if self.size > 1
        result = self.split("").map {|c| c.to_nato }.join(" ")
    else
        ansi = self.bytes.first

        if ansi >= 65 && ansi <= 90
            result = NATOALPHA[ansi-65].capitalize
        elsif ansi >= 97 && ansi <= 122
            result = NATOALPHA[ansi-97]
        elsif ansi >= 48 && ansi <= 57
            result = NATODIGITS[ansi-48]
        else
            result = self
        end
    end

    result
end