Class: Auto

Inherits:
Object show all
Defined in:
lib/auto.rb

Direct Known Subclasses

Autocoverage, Autocyclo, Autoflog, Autometric

Constant Summary collapse

WINDOZE = 
/win32/ =~ RUBY_PLATFORM
SEP = 
WINDOZE ? '&' : ';'

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(output = $stdout) ⇒ Auto

Returns a new instance of Auto.



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# File 'lib/auto.rb', line 61

def initialize(output = $stdout)
  @output = output
  @sleep = 2
  @modified = nil
  @interrupted = @wants_to_quit = false
  @working_dirs = %w( lib )

  @file_masks = {
    :lib => /^lib\/.*\.rb$/
  }
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(id, *args) ⇒ Object 



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# File 'lib/auto.rb', line 142

def method_missing(id, *args)
  if match = id.to_s.match(/_files$/)
    find_files(@file_masks[match.pre_match.to_sym])
  else
    old_method_missing(id, *args)
  end
end

Class Attribute Details

.discoveries ⇒ Object

Returns the value of attribute discoveries.



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# File 'lib/auto.rb', line 15

def discoveries
  @discoveries
end

.hooks ⇒ Object

Returns the value of attribute hooks.



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# File 'lib/auto.rb', line 15

def hooks
  @hooks
end

Instance Attribute Details

#file_masks ⇒ Object

Returns the value of attribute file_masks.



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# File 'lib/auto.rb', line 59

def file_masks
  @file_masks
end

#modified ⇒ Object

Returns the value of attribute modified.



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# File 'lib/auto.rb', line 59

def modified
  @modified
end

#output ⇒ Object

Returns the value of attribute output.



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# File 'lib/auto.rb', line 59

def output
  @output
end

#sleep ⇒ Object

Returns the value of attribute sleep.



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# File 'lib/auto.rb', line 59

def sleep
  @sleep
end

#wants_to_quit ⇒ Object

Returns the value of attribute wants_to_quit.



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# File 'lib/auto.rb', line 59

def wants_to_quit
  @wants_to_quit
end

#working_dirs ⇒ Object

Returns the value of attribute working_dirs.



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# File 'lib/auto.rb', line 59

def working_dirs
  @working_dirs
end

Class Method Details

.add_discovery(&proc) ⇒ Object 



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# File 'lib/auto.rb', line 29

def add_discovery &proc
  discoveries << proc
end

.add_hook(name, &blk) ⇒ Object 



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# File 'lib/auto.rb', line 25

def add_hook name, &blk
  hooks[name] << blk
end

.autodiscover ⇒ Object 



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# File 'lib/auto.rb', line 33

def autodiscover
  style = []

  $:.push(*Dir["vendor/plugins/*/lib"])
  paths = $:.dup

  begin
    require 'rubygems'
    paths.push(*Gem.latest_load_paths)
  rescue LoadError => e
    # do nothing
  end

  paths.each do |d|
    f = File.join(d, 'autometric', 'discover.rb')
    load f if File.exist? f
  end

  discoveries.map { |proc| proc.call }.flatten.compact.sort.uniq
end

.run(*args) ⇒ Object 



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# File 'lib/auto.rb', line 54

def run *args
  new(*args).run
end

Instance Method Details

#find_files(masks = nil) ⇒ Object 



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# File 'lib/auto.rb', line 98

def find_files(masks = nil)
  masks ||= @file_masks.collect{|k,v| v if @working_dirs.include? k.to_s}.compact
  files = []
  
  Find.find '.' do |f|
    filename = f.sub(/^\.\//, '')
    files << f if [masks].flatten.any? { |mask| filename =~ mask }
  end
  
  return files
end

#hook(name) ⇒ Object 



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# File 'lib/auto.rb', line 73

def hook(name)
  self.class.hooks[name].inject(false) do |handled,plugin|
    plugin[self] || handled
  end
end

#last_modified_time ⇒ Object 



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# File 'lib/auto.rb', line 94

def last_modified_time
  find_files.collect {|f| File::mtime(f) }.max
end

#old_method_missing ⇒ Object 



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# File 'lib/auto.rb', line 140

alias_method :old_method_missing, :method_missing

#reset ⇒ Object 



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# File 'lib/auto.rb', line 79

def reset
  @modified = last_modified_time
end

#run ⇒ Object 



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# File 'lib/auto.rb', line 110

def run
  hook :run

  reset
  loop do # ^c handler
    run_metric
    wait_for_changes
  end
end

#run_metric ⇒ Object 



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# File 'lib/auto.rb', line 120

def run_metric
  @wants_to_quit ||= false
  cmd = make_cmd

  hook :run_command
  @output.puts cmd
  
  @results = []
  line = []

  IO.popen(cmd) do |stdout|
    @results = stdout.read
  end
  
  @output << @results
  hook :ran_command

  handle_results(@results)
end

#wait_for_changes ⇒ Object 



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# File 'lib/auto.rb', line 83

def wait_for_changes
  loop do
    mtime = last_modified_time
    if @modified.nil? || mtime > @modified
      @modified = mtime
      break
    end
    Kernel::sleep(@sleep)
  end
end