Class: Archive::Tar::Minitar::Command::CommandPattern

Inherits:
Object
  • Object
show all
Defined in:
lib/archive/tar/minitar/command.rb

Defined Under Namespace

Classes: AbstractCommandError, CommandAlreadyExists, UnknownCommandError

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Class Attribute Details

.default ⇒ Object

Returns the value of attribute default.



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# File 'lib/archive/tar/minitar/command.rb', line 253

def default
  @default
end

Class Method Details

.<<(command) ⇒ Object 



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# File 'lib/archive/tar/minitar/command.rb', line 249

def <<(command)
  add(command)
end

.[](cmd) ⇒ Object 



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# File 'lib/archive/tar/minitar/command.rb', line 278

def [](cmd)
  self.command(cmd)
end

.add(command) ⇒ Object 



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# File 'lib/archive/tar/minitar/command.rb', line 232

def add(command)
  command = command.new if command.kind_of?(Class)

  @commands ||= {}
  if @commands.has_key?(command.name)
    raise CommandAlreadyExists
  else
    @commands[command.name] = command
  end

  if command.respond_to?(:altname)
    unless @commands.has_key?(command.altname)
      @commands[command.altname] = command
    end
  end
end

.command(command) ⇒ Object 



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# File 'lib/archive/tar/minitar/command.rb', line 270

def command(command)
  if command?(command)
    @commands[command]
  else
    @default
  end
end

.command?(command) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/archive/tar/minitar/command.rb', line 266

def command?(command)
  @commands.has_key?(command)
end

.default_ioe(ioe = {}) ⇒ Object 



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# File 'lib/archive/tar/minitar/command.rb', line 282

def default_ioe(ioe = {})
  ioe[:input]   ||= $stdin
  ioe[:output]  ||= $stdout
  ioe[:error]   ||= $stderr
  ioe
end

Instance Method Details

#[](args, opts = {}, ioe = {}) ⇒ Object 



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# File 'lib/archive/tar/minitar/command.rb', line 290

def [](args, opts = {}, ioe = {})
  call(args, opts, ioe)
end

#call(args, opts = {}, ioe = {}) ⇒ Object

Raises:



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# File 'lib/archive/tar/minitar/command.rb', line 298

def call(args, opts = {}, ioe = {})
  raise AbstractCommandError
end

#help ⇒ Object

Raises:



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# File 'lib/archive/tar/minitar/command.rb', line 302

def help
  raise AbstractCommandError
end

#name ⇒ Object

Raises:



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# File 'lib/archive/tar/minitar/command.rb', line 294

def name
  raise AbstractCommandError
end