class CW::Alphabet
class Alphabet
provides alphabet generation functionality
Public Class Methods
new(options = {})
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initialize class Alphabet
Parameters:¶ ↑
- options
-
An optional hash containg options:
:reverse - reverse alphabet :shuffle - shuffle alphabet :include - include only these letters of the alphabet :exclude - exclude these letters from the alphabet
# File lib/cw/alphabet.rb, line 18 def initialize(options = {}) @options = options end
Public Instance Methods
alphabet()
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exclude_letters()
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exclude_letters
() exclude letters if :exclude option defined
Parameters:¶ ↑
none
# File lib/cw/alphabet.rb, line 68 def exclude_letters if @options[:exclude] @letters.tr!(@options[:exclude],'') end end
generate()
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include_letters()
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include_letters
() include letters if :include option defined
Parameters:¶ ↑
none
# File lib/cw/alphabet.rb, line 57 def include_letters if @options[:include] @letters = @options[:include] end end
reverse_alphabet_maybe()
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reverse_alphabet_maybe
() reverse letters if reverse option set
Parameters:¶ ↑
none
# File lib/cw/alphabet.rb, line 36 def reverse_alphabet_maybe @letters.reverse! if @options[:reverse] end
shuffle_alphabet_maybe()
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shuffle_alphabet_maybe
() shuffle alphabet if :shuffle option defined don't shuffle if in test environment
Parameters:¶ ↑
none
# File lib/cw/alphabet.rb, line 46 def shuffle_alphabet_maybe unless(ENV["CW_ENV"] == "test") @letters = @letters.split('').shuffle.join if @options[:shuffle] end end