Module: Rails::Sh::Command

Defined in:
lib/rails/sh/command.rb

Class Method Summary collapse

Class Method Details

.[](name) ⇒ Object 



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# File 'lib/rails/sh/command.rb', line 28

def [](name)
  commands[name.to_sym]
end

.clear ⇒ Object 



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# File 'lib/rails/sh/command.rb', line 54

def clear
  commands.clear
  completions.clear
end

.command_names ⇒ Object 



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# File 'lib/rails/sh/command.rb', line 24

def command_names
  commands.keys
end

.commands ⇒ Object 



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# File 'lib/rails/sh/command.rb', line 5

def commands
  @commands ||= {}
end

.completion_proc ⇒ Object 



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# File 'lib/rails/sh/command.rb', line 32

def completion_proc
  lambda { |line|
    regex = /#{Regexp.quote(line)}/
    completions.map { |completion|
      case completion
      when String
        completion if completion.match(regex)
      when Proc
        completion.call(line)
      end
    }.compact
  }
end

.completions ⇒ Object 



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# File 'lib/rails/sh/command.rb', line 46

def completions
  @completions ||= []
end

.completions=(completions) ⇒ Object 



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# File 'lib/rails/sh/command.rb', line 50

def completions=(completions)
  @completions = completions
end

.define(*names, &block) ⇒ Object 



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# File 'lib/rails/sh/command.rb', line 9

def define(*names, &block)
  names.each do |name|
    commands[name.to_sym] = block
    completions << name.to_s
  end
end

.find(line) ⇒ Object 



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# File 'lib/rails/sh/command.rb', line 16

def find(line)
  if name = line.split(/\s+/, 2)[0]
    commands[name.to_sym]
  else
    nil
  end
end