Class: Podage::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/podage/cli/command.rb

Constant Summary collapse

@@indent = 
20

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, description, &block) ⇒ Command

Returns a new instance of Command.



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# File 'lib/podage/cli/command.rb', line 39

def initialize(name, description, &block)

  @name = name
  @description = description
  @block = block
  
  @options = []
  @commands = []

end

Instance Attribute Details

#base_command ⇒ Object

Returns the value of attribute base_command.



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# File 'lib/podage/cli/command.rb', line 30

def base_command
  @base_command
end

#description ⇒ Object

Returns the value of attribute description.



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# File 'lib/podage/cli/command.rb', line 29

def description
  @description
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/podage/cli/command.rb', line 28

def name
  @name
end

#usage ⇒ Object

Returns the value of attribute usage.



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# File 'lib/podage/cli/command.rb', line 31

def usage
  @usage
end

Instance Method Details

#add_command(command) ⇒ Object 



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# File 'lib/podage/cli/command.rb', line 56

def add_command(command)

  @commands << command

end

#add_option(option) ⇒ Object 



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# File 'lib/podage/cli/command.rb', line 50

def add_option(option)

  @options << option

end

#parse(args) ⇒ Object 



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# File 'lib/podage/cli/command.rb', line 62

def parse(args)

  args_tmp = args.dup

  if args_tmp.empty?

    @block.call self
    
  else
    
    args_tmp.each do |arg|
    
      @commands.each do |command|
    
        if arg == command.name

          args_tmp.delete(arg)

          command.parse(args_tmp)
      
        end
    
      end
    
      @options.each do |option|
    
        if arg == option.name || arg == option.short_cut
      
          args_tmp.delete(arg)
          
          option.execute
      
        end
    
      end
    
    end
  
  end
  
  unless args_tmp.empty?
  
    error = "Unknown arguments: "
    
    args_tmp.each do |arg|
    
      error += arg + " "
    
    end
    
    puts error
    
    print
    
    exit
  
  end

end

#print ⇒ Object 



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# File 'lib/podage/cli/command.rb', line 122

def print

  puts
  puts "Usage".underline
  puts
  cmd = "     $ ".bold + base_command
   
  unless @commands.empty?
  
    cmd += " " + "[command]".green.bold
  
  end
  
  unless @options.empty?
  
    cmd += " [options]".blue.bold
  
  end
  
  puts cmd
  
  unless @usage.nil?
  
    puts 
    puts "     " + @usage
  
  end
  
  
  if !@commands.empty?
  
    puts
    puts "Commands".underline
    puts
  
    @commands.each do |command|
  
      puts "     ".green + command.name.green.bold + whitespace(command.name) + command.description  
  
    end
  
  end
  
  if !@options.empty?
  
    puts
    puts "Options".underline
    puts
  
    @options.each do |option|
  
      output = option.name + ", " + option.short_cut
      puts "     " + output.bold.blue + whitespace(output) + option.description  
  
    end
  end
  
  puts

end