Class: Gtmtech::Crypto::Utils

Inherits:
Object
  • Object
show all
Defined in:
lib/gtmtech/crypto/utils.rb

Class Method Summary collapse

Class Method Details

.camelcase(string) ⇒ Object 



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# File 'lib/gtmtech/crypto/utils.rb', line 8

def self.camelcase string
  return string if string !~ /_/ && string =~ /[A-Z]+.*/
  string.split('_').map{|e| e.capitalize}.join
end

.decimal_add(decimal1, decimal2) ⇒ Object 



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# File 'lib/gtmtech/crypto/utils.rb', line 62

def self.decimal_add decimal1, decimal2
  ( BigDecimal( decimal1 ) + BigDecimal( decimal2 ) ).truncate(8).to_s("F")
end

.decimal_divide(decimal1, decimal2) ⇒ Object 



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# File 'lib/gtmtech/crypto/utils.rb', line 74

def self.decimal_divide decimal1, decimal2
  ( BigDecimal( decimal1 ) / BigDecimal( decimal2 ) ).truncate(8).to_s("F")
end

.decimal_equal?(decimal1, decimal2) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gtmtech/crypto/utils.rb', line 78

def self.decimal_equal? decimal1, decimal2
  BigDecimal( decimal1 ) == BigDecimal( decimal2 )
end

.decimal_minus(decimal1, decimal2) ⇒ Object 



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# File 'lib/gtmtech/crypto/utils.rb', line 66

def self.decimal_minus decimal1, decimal2
  ( BigDecimal( decimal1 ) - BigDecimal( decimal2 ) ).truncate(8).to_s("F")
end

.decimal_multiply(decimal1, decimal2, decimal3 = "1.0") ⇒ Object 



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# File 'lib/gtmtech/crypto/utils.rb', line 70

def self.decimal_multiply decimal1, decimal2, decimal3 = "1.0"
  ( BigDecimal( decimal1 ) * BigDecimal( decimal2 ) * BigDecimal( decimal3 ) ).truncate(8).to_s("F")
end

.find_all_subclasses_of(args) ⇒ Object 



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# File 'lib/gtmtech/crypto/utils.rb', line 42

def self.find_all_subclasses_of args
  parent_class = args[ :parent_class ]
  constants = parent_class.constants
  candidates = []
  constants.each do | candidate |
    candidates << candidate.to_s.split('::').last if parent_class.const_get(candidate).class.to_s == "Class"
  end
  candidates
end

.find_closest_class(args) ⇒ Object 



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# File 'lib/gtmtech/crypto/utils.rb', line 18

def self.find_closest_class args
  parent_class = args[ :parent_class ]
  class_name = args[ :class_name ]
  constants = parent_class.constants
  candidates = []
  constants.each do | candidate |
    candidates << candidate.to_s if candidate.to_s.downcase == class_name.downcase
  end
  if candidates.count > 0
    parent_class.const_get candidates.first
  else
    nil
  end
end

.make_decimal(digits) ⇒ Object 



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# File 'lib/gtmtech/crypto/utils.rb', line 52

def self.make_decimal digits
  if digits.start_with? "."
    "0#{digits}"
  elsif digits =~ /^\d+$/
    "#{digits}.0"
  else
    digits
  end        
end

.require_dir(classdir) ⇒ Object 



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# File 'lib/gtmtech/crypto/utils.rb', line 33

def self.require_dir classdir
  num_class_hierarchy_levels = self.to_s.split("::").count - 1 
  root_folder = File.dirname(__FILE__) + "/" + Array.new(num_class_hierarchy_levels).fill("..").join("/")
  class_folder = root_folder + "/" + classdir
  Dir[File.expand_path("#{class_folder}/*.rb")].uniq.each do |file|
    require file
  end
end

.snakecase(string) ⇒ Object 



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# File 'lib/gtmtech/crypto/utils.rb', line 13

def self.snakecase string
  return string if string !~ /[A-Z]/
  string.split(/(?=[A-Z])/).collect {|x| x.downcase}.join("_")
end