Class: Build::Files::IOState

Inherits:
Object
  • Object
show all
Defined in:
lib/build/files/state.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(inputs, outputs) ⇒ IOState

Returns a new instance of IOState.



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# File 'lib/build/files/state.rb', line 141

def initialize(inputs, outputs)
  @input_state = State.new(inputs)
  @output_state = State.new(outputs)
end

Instance Attribute Details

#input_state ⇒ Object (readonly)

Returns the value of attribute input_state.



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# File 'lib/build/files/state.rb', line 146

def input_state
  @input_state
end

#output_state ⇒ Object (readonly)

Returns the value of attribute output_state.



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# File 'lib/build/files/state.rb', line 147

def output_state
  @output_state
end

Instance Method Details

#added ⇒ Object 



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# File 'lib/build/files/state.rb', line 188

def added
  @input_state.added + @output_state.added
end

#changed ⇒ Object 



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# File 'lib/build/files/state.rb', line 196

def changed
  @input_state.changed + @output_state.changed
end

#dirty? ⇒ Boolean

Output is dirty if files are missing or if latest input is older than any output.

Returns:

  • (Boolean) 


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# File 'lib/build/files/state.rb', line 150

def dirty?
  @dirty = []
  
  if @output_state.missing?
    # puts "Output file missing: #{output_state.missing.inspect}"
    
    return true
  end
  
  # If there are no inputs, we are always clean as long as outputs exist:
  # if @input_state.empty?
  #  return false
  # end
  
  oldest_output_time = @output_state.oldest_time
  newest_input_time = @input_state.newest_time
  
  if newest_input_time and oldest_output_time
    # if newest_input_time > oldest_output_time
    # puts "Out of date file: #{newest_input_time.inspect} > #{oldest_output_time.inspect}"
    # end
    
    return newest_input_time > oldest_output_time
  end
  
  # puts "Missing file dates: #{newest_input_time.inspect} < #{oldest_output_time.inspect}"
  
  return true
end

#files ⇒ Object 



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# File 'lib/build/files/state.rb', line 184

def files
  @input_state.files + @output_state.files
end

#fresh? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/build/files/state.rb', line 180

def fresh?
  not dirty?
end

#inspect ⇒ Object 



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# File 'lib/build/files/state.rb', line 211

def inspect
  "<IOState Input:#{@input_state.inspect} Output:#{@output_state.inspect}>"
end

#intersects?(outputs) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/build/files/state.rb', line 207

def intersects?(outputs)
  @input_state.intersects?(outputs) or @output_state.intersects?(outputs)
end

#removed ⇒ Object 



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# File 'lib/build/files/state.rb', line 192

def removed
  @input_state.removed + @output_state.removed
end

#update! ⇒ Object 



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# File 'lib/build/files/state.rb', line 200

def update!
  input_changed = @input_state.update!
  output_changed = @output_state.update!

  input_changed or output_changed
end