Class: Labels::Exec

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

Overview

This class is the main handler for the command line tool interface. It takes command line arguments and options and renders a barcode using those options.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Exec

Creates a new instance with given command line arguments and options



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# File 'lib/labels/exec.rb', line 35

def initialize(argv)
  @argv = argv
  @options = {}
  self._init_parser
  self._parse!
end

Instance Attribute Details

#argv ⇒ Object (readonly)

Array of command line arguments



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# File 'lib/labels/exec.rb', line 20

def argv
  @argv
end

#options ⇒ Object (readonly)

Hash of parsed options



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# File 'lib/labels/exec.rb', line 26

def options
  @options
end

#parser ⇒ Object (readonly)

The parser instance



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# File 'lib/labels/exec.rb', line 23

def parser
  @parser
end

#source ⇒ Object (readonly)

The input source



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# File 'lib/labels/exec.rb', line 29

def source
  @source
end

#target ⇒ Object (readonly)

The output target



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# File 'lib/labels/exec.rb', line 32

def target
  @target
end

Instance Method Details

#run ⇒ Object

Runs the command and renders label



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# File 'lib/labels/exec.rb', line 43

def run
  begin
    document = Labels.open(self.source)
  
    unless document.nil?
      unless self.target.nil?
        document.render(self.target)
      else
        puts document.render
      end
    end
  rescue Exception => e
    puts e.message
  end
end