Class: Rascut::Command

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Command

Returns a new instance of Command.



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# File 'lib/rascut/command.rb', line 10

def initialize
  @logger = Logger.new(STDOUT)
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/rascut/command.rb', line 64

def config
  @config
end

#file_observer ⇒ Object (readonly)

Returns the value of attribute file_observer.



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# File 'lib/rascut/command.rb', line 64

def file_observer
  @file_observer
end

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/rascut/command.rb', line 13

def logger
  @logger
end

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/rascut/command.rb', line 64

def root
  @root
end

#target_script ⇒ Object (readonly)

Returns the value of attribute target_script.



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# File 'lib/rascut/command.rb', line 64

def target_script
  @target_script
end

#wrapper ⇒ Object (readonly)

Returns the value of attribute wrapper.



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# File 'lib/rascut/command.rb', line 64

def wrapper
  @wrapper
end

Instance Method Details

#compile_success_proc ⇒ Object 



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# File 'lib/rascut/command.rb', line 105

def compile_success_proc
  if @httpd
    @httpd.reload!
  end
end

#exit ⇒ Object 



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# File 'lib/rascut/command.rb', line 138

def exit
  logger.info 'exiting...'
  begin
    @wrapper.close 
  rescue Exception => e
    logger.error e.inspect
  end
  Kernel::exit 1
end

#file_update_handler ⇒ Object 



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# File 'lib/rascut/command.rb', line 75

def file_update_handler
  @wrapper.compile
end

#init_plugins ⇒ Object 



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# File 'lib/rascut/command.rb', line 66

def init_plugins
  @config[:plugin].each do |name|
    klass_name = name.gsub(/(^|_)(.)/) { $2.upcase }
    logger.info "Load Plugin: #{klass_name}"
    require "rascut/plugin/#{name}"
    ::Rascut::Plugin.const_get(klass_name).new(self).run
  end if @config[:plugin]
end

#read_log_loop ⇒ Object 



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# File 'lib/rascut/command.rb', line 79

def read_log_loop
  log = Pathname.new(@config.params[:flashlog])
  return unless (log && log.file?)

  Thread.new(log) do |log|
    flashlog_timestamp ||= log.mtime

    log.open('r') do |f|
      f.read
      loop do
        if log.mtime > flashlog_timestamp
          f.rewind
          text = f.read
          if text.length == 0
            f.rewind
            text = f.read
          end
          logger.info("FLASHLOG\n" + text) unless text.strip.empty?
          flashlog_timestamp = log.mtime
        end
        sleep 1
      end
    end
  end
end

#run(argv) ⇒ Object 



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# File 'lib/rascut/command.rb', line 15

def run(argv)
  @config = Config.new

  if ENV['HOME']
    home = Pathname.new ENV['HOME']
  end

  home.join('.rascut').mkpath if home

  if home && home.join('.rascutrc').readable?
    @config.merge_config home.join('.rascutrc')
  end

  if File.readable?('.rascut')
    @config.merge_config('.rascut')
  end

  @config.parse_argv!(argv)

  unless @target_script = argv.first
    warn 'Target script is not found.'
    Kernel::exit 1
  end

  @root = Pathname.new(@target_script).dirname.realpath
  @wrapper = FcshWrapper.new(@target_script, @config)

  start_server if @config[:server]
  setting_signals
  @wrapper.hooks[:compile_success] << method(:compile_success_proc)


  if @config[:file_observing]
    @file_observer = FileObserver.new(@config[:observe_files], 
                                      :interval => @config[:interval],
                                      :ext => @config[:ext],
                                      :logger => @config[:logger],
                                      :update_handler => method(:file_update_handler))
    @file_observer.run
  end

  read_log_loop if @config[:flashlog] 

  init_plugins

  @wrapper.compile 
  #readline_loop
  Thread.stop
end

#setting_signals ⇒ Object 



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# File 'lib/rascut/command.rb', line 117

def setting_signals
  methods(true).each do |mname|
    if m = mname.match(/^sig_(.+)$/)
      begin
        Signal.trap(m[1].upcase) { method(mname).call }
      rescue ArgumentError
      end
    end
  end
end

#sig_int ⇒ Object 



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# File 'lib/rascut/command.rb', line 128

def sig_int
  logger.debug 'SIG_INT'
  self.exit()
end

#sig_usr2 ⇒ Object 



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# File 'lib/rascut/command.rb', line 133

def sig_usr2
  logger.debug 'SIG_USR2'
  @wrapper.compile
end

#start_server ⇒ Object 



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# File 'lib/rascut/command.rb', line 111

def start_server
  require 'rascut/httpd'
  @httpd = Httpd.new(self)
  @httpd.start
end