Class: SafeDiff

Inherits:
Object
  • Object
show all
Defined in:
lib/safediff.rb

Overview

SafeDiff Contains a difference between two safe entries

Constant Summary collapse

MASTER = 
"m"
OTHER = 
"o"
CHANGE = 
"c"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(master, other) ⇒ SafeDiff

Returns a new instance of SafeDiff.



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# File 'lib/safediff.rb', line 43

def initialize(master, other)
  self.master = master
  self.other = other
  compare
end

Instance Attribute Details

#master ⇒ Object

Returns the value of attribute master.



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# File 'lib/safediff.rb', line 37

def master
  @master
end

#operation ⇒ Object

Returns the value of attribute operation.



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# File 'lib/safediff.rb', line 37

def operation
  @operation
end

#other ⇒ Object

Returns the value of attribute other.



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# File 'lib/safediff.rb', line 37

def other
  @other
end

Instance Method Details

#compare ⇒ Object 



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# File 'lib/safediff.rb', line 49

def compare
  if self.master != nil && self.master.equals?(self.other)
    raise "Entries are not different:\n#{self.master.to_s}\n#{self.other.to_s}"
  elsif self.master != nil && self.other == nil
    self.operation = MASTER
  elsif self.master == nil && self.other != nil
    self.operation = OTHER
  else
    self.operation = CHANGE
  end
end

#to_s ⇒ Object 



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

def to_s
  s = ""
  s << self.operation
  s << "\n"
  if self.operation == MASTER || self.operation == CHANGE
    s << "< "
    s << self.master.to_s
    s << "\n"
  end
  if self.operation == CHANGE
    s << "---\n"
  end
  if self.operation == OTHER || self.operation == CHANGE
    s << "> "
    s << self.other.to_s
    s << "\n"
  end
  s
end