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Contents
module Footing
module String
# Generates a random string.
#
# @example
# Footing.util! Footing::String
# Footing::String.random_key(100, :reject => ["1", "I", "l", "0", "O"])
#
# @param [Integer] length The length of the key to generate. Defaults to 12.
# @param [Hash] opts
# @option opts [Array] :reject A list of characters to omit from the key.
# @option opts [Boolean] :upcase Indicates that only use uppercase characters should be used.
# @return [String]
def random(length=12, opts={})
@chars ||= [(0..9).to_a, ('a'..'z').to_a, ('A'..'Z').to_a].flatten.map { |c| c.to_s }
chars = @chars.reject do |c|
c =~ /[a-z]/ if opts[:upcase]
end
opts[:reject] ||= []
opts[:reject] = opts[:reject].map { |c| c.to_s }
(1..length).map{ |i| (chars - opts[:reject]).sample }.join
end
# Escapes a series of chars in the current string.
# NOTE: A new string is returned.
def escape(*chars)
gsub(/(?<!\\)(#{chars.join("|")})/) do |char|
"\\" + char
end
end
# Converts a word with underscores into a sentance with a capitalized first word.
def humanize
self.downcase.gsub(/_/, " ").capitalize
end
# Similar to humanize but it capitalizes each word
def titleize
self.split('_').map(&:capitalize).join(' ')
end
alias :titlecase :titleize
end
end
Version data entries
6 entries across 6 versions & 1 rubygems