Class: GCoder::GCode::Program

Inherits:
SimpleDelegator
  • Object
show all
Includes:
GCoder::GCode
Defined in:
lib/gcoder/gcode.rb

Instance Method Summary collapse

Constructor Details

#initialize(commands) ⇒ Program

Returns a new instance of Program.



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# File 'lib/gcoder/gcode.rb', line 57

def initialize(commands)
  super(commands)
end

Instance Method Details

#map_with_context(&block) ⇒ Object

Interpretes aspects of the GCode program, namely position, feedrate, unit of measure and absolute/incremental positioning. This information is made available to the optional block as second parameter, through a ProgramContext instance.

Returns an array with two elements, the mapping result and context.



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# File 'lib/gcoder/gcode.rb', line 69

def map_with_context(&block)
  ctx = ProgramContext.new

  map_result = self.map do |cmd|
    if block_given?
      r = yield(cmd, ctx)
    else
      r = cmd
    end

    if cmd.is_a? MoveRapid or cmd.is_a? MoveByFeedrate
      ctx.update_position cmd.position
      ctx.update_feedrate cmd.feedrate
    elsif cmd.is_a? ProgramCoordinatesAreMm
      ctx.units = :mm
    elsif cmd.is_a? ProgramCoordinatesAreInches
      ctx.units = :inch
    elsif cmd.is_a? AbsoluteProgrammingOfXYZ
      ctx.absolute = true
    elsif cmd.is_a? IncrementalProgrammingOfXYZ
      ctx.absolute = false
    end

    r
  end

  [map_result, ctx]
end