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