Class: BasicVersion

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/basic_version.rb

Direct Known Subclasses

DatedVersion

Constant Summary collapse

Fields = 
:major, :minor, :tiny
GlobString = 
(['*'] * Fields.size).join('.')
StringRexp = 
/#{(['(\d+)'] * Fields.size).join('\.')}/

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ BasicVersion 



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# File 'lib/basic_version.rb', line 7

def initialize(*args)
  if args.size == 1 && args.first.kind_of?(String) && md = StringRexp.match(args.first)
    args = md.captures.map { |a| a.to_i }
  end
  case args.size
  when 0
    # no-op
  when 1
    self.tiny = args.first.to_i
  when 3
    self.major, self.minor, self.tiny = *args.map{|a| a.to_i }
  else
    raise ArgumentError
  end
  Fields.each_with_index do |f, i|
    next unless self.send(f).nil?
    self.send(:"#{f}=", 0)
  end
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/basic_version.rb', line 61

def <=>(other)
  v = 0
  Fields.each do |f|
    return v unless other.respond_to?(f)
    v = self.send(f) <=> other.send(f)
    return v unless v == 0
  end
  v
end

#succ ⇒ Object 



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# File 'lib/basic_version.rb', line 57

def succ
  self.class.new(self.major, self.minor, self.tiny + 1)
end

#to_a ⇒ Object 



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# File 'lib/basic_version.rb', line 27

def to_a
  [self.major, self.minor, self.tiny]
end

#to_ruby_code(module_name = 'AppVersion', namespace_type = 'module') ⇒ Object 



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# File 'lib/basic_version.rb', line 44

def to_ruby_code(module_name = 'AppVersion', namespace_type = 'module')
  <<-EORUBY
#{namespace_type} #{module_name}
module VERSION
  #{to_ruby_constants.strip}
  self
end
end
  EORUBY
end

#to_ruby_constants ⇒ Object 



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# File 'lib/basic_version.rb', line 35

def to_ruby_constants
  <<-EORUBY
  MAJOR = #{self.major}
  MINOR = #{self.minor}
  TINY = #{self.tiny}
  STRING = #{to_s.inspect}
  EORUBY
end

#to_s ⇒ Object 



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# File 'lib/basic_version.rb', line 31

def to_s
  "%d.%d.%d" % to_a
end