Module: Duxml::Change

Included in:
ChangeClass
Defined in:
lib/duxml/meta/history/change.rb,
lib/duxml/meta/history/change.rb

Overview

class ChangeClass < PatternClass

Instance Method Summary collapse

Instance Method Details

#<=>(obj) ⇒ -1, ...

Returns compares dates of changes.

Returns:

  • compares dates of changes



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# File 'lib/duxml/meta/history/change.rb', line 43

def <=>(obj)
  return nil unless obj.is_a?(Duxml::Change)
  date <=> obj.date
end

#abstract? ⇒ Boolean

Returns:



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# File 'lib/duxml/meta/history/change.rb', line 33

def abstract?
  false
end

#description ⇒ String

Returns gives its time stamp.

Returns:

  • gives its time stamp



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# File 'lib/duxml/meta/history/change.rb', line 38

def description
  "at #{time_stamp}#{line_expr}:"
end

#line ⇒ Fixnum

Returns line number of changed object; -l if not applicable.

Returns:

  • line number of changed object; -l if not applicable



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# File 'lib/duxml/meta/history/change.rb', line 49

def line
  case
    when object.respond_to?(:line) && object.line.is_a?(Numeric) && object.line >= 0
      object.line
    when object.respond_to?(:object) && object.object.respond_to?(:line) && object.object.line.is_a?(Numeric) && object.object.line >= 0
      object.object.line
    when object.respond_to?(:subject) && object.subject.respond_to?(:line) && object.subject.line.is_a?(Numeric) && object.subject.line >= 0
      object.subject.line
    when subject.respond_to?(:line) && subject.line.is_a?(Numeric) && subject.line >= 0
      subject.line
    else
      -1
  end
end