Module: EventMachine::Wssh::Exe

Defined in:
lib/em/wssh/exe.rb

Class Method Summary collapse

Class Method Details

.command?(cmd) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/em/wssh/exe.rb', line 5

def self.command? cmd
  return unless /\A\w+\Z/.match cmd
  cmd=cmd.downcase
  begin
    require_relative cmd
  rescue LoadError
    return
  end
  m=Module.nesting[1].const_get cmd.sub(/^./){|s|s.upcase} rescue nil
  return unless Module===m and m.respond_to? :go!
  m
end

.commands ⇒ Object 



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# File 'lib/em/wssh/exe.rb', line 18

def self.commands
  m=Module.nesting[1]
  Hash[
    m.constants
    .map{|n|m.const_get n}
    .grep(Module)
    .select{|m| m.respond_to? :go!}
    .select{|m| m.const_defined? :Title}
    .map{|m| [m.name.split(/\W+/).last.downcase, m]}
    .sort_by{|x| x[0]}
  ]
end

.do! ⇒ Object 



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# File 'lib/em/wssh/exe.rb', line 31

def self.do!
  mod = command? ARGV.shift
  help unless mod
  mod.go!
end

.help ⇒ Object 



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# File 'lib/em/wssh/exe.rb', line 37

def self.help
  require_relative 'help'
  Help.go!
  exit
end

.usage ⇒ Object 



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# File 'lib/em/wssh/exe.rb', line 43

def self.usage
  "Usage: wssh "+File.basename(caller_locations.first.path).sub(/[.][^.]*\Z/, '')
end