Class: Seedling::ProjectCreator

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/seedling/project_creator.rb

Constant Summary collapse

PROTO = 
[Pathname.new(__FILE__).dirname.expand_path.join("..", "templates", "core")]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pot, options = {}) ⇒ ProjectCreator

Returns a new instance of ProjectCreator.



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# File 'lib/seedling/project_creator.rb', line 24

def initialize(pot, options = {})
  @pot, @options = Pathname.new(pot), options
  @interactive = @options.keys.include?(:interactive) ? @options[:interactive] : true
end

Instance Attribute Details

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/seedling/project_creator.rb', line 22

def options
  @options
end

#pot ⇒ Object

Returns the value of attribute pot.



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# File 'lib/seedling/project_creator.rb', line 22

def pot
  @pot
end

Instance Method Details

#amend? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/seedling/project_creator.rb', line 137

def amend?; options[:amend] end

#copy(from, to) ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 81

def copy(from, to)
  return unless copy_check(to)
  puts("copy(%p, %p)" % [from, to]) if @interactive
  FileUtils.cp(from, to)
  post_process(to)
end

#copy_check(to) ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 88

def copy_check(to)
  exists = File.file?(to)
  return false if exists and amend?
  return false if exists and not force?
  return true
end

#create ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 51

def create
  got_proto?

  puts("Found proto at: %p, proceeding...\n\n" % proto) if @interactive
  mkdir(relate('/')) if create_root?
  proceed
end

#create_root? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/seedling/project_creator.rb', line 40

def create_root?
  return true unless target.directory?
  return true if amend? or force?
  fatal "%p is a directory, choose different project name or use --amend/--force" % target
end

#each ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 145

def each
  Dir["#{proto}/**/*"].each{|path| yield(path) }
end

#fatal(message) ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 140

def fatal(message)
  warn message
  exit 1
end

#force? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/seedling/project_creator.rb', line 138

def force?; options[:force] end

#got_proto? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/seedling/project_creator.rb', line 46

def got_proto?
  return true if proto.directory?
  fatal "Cannot create, %p doesn't exist, use --proto or create the proto directory" % proto
end

#mkdir(dir) ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 73

def mkdir(dir)
  exists = File.directory?(dir)
  return if exists and amend?
  return if exists and not force?
  puts("mkdir(%p)" % dir) if @interactive
  FileUtils.mkdir_p(dir)
end

#post_process(file) ⇒ Object

Any file in the prototype directory named /.seed$/ will be treated as an ERB template and parsed in the current binding. the @options hash should be used for storing values to be used in the templates



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# File 'lib/seedling/project_creator.rb', line 99

def post_process(file)
  if File.basename(file.to_s).match(/library/)
    oldfile = file
    file = file.to_s.sub("library", @options[:lib_name_u])
    FileUtils.mv(oldfile, file)
  end
  if File.dirname(file.to_s).split("/").last == "library"
    origdir = File.dirname(file.to_s)
    dirarr = origdir.split("/")
    dirarr[dirarr.size-1] = @options[:lib_name_u]
    new_dir = File.join(dirarr)
    mkdir(new_dir)
    oldfile = file
    file = File.join(new_dir, File.basename(file))
    FileUtils.mv(oldfile, file)
    FileUtils.rmdir(origdir)
  end
  if file.to_s.match(/\.seed$/)
    out_file = Pathname.new(file.to_s.sub(/\.seed$/, ''))
    # Don't overwrite a file of the same name, unless they --force
    if copy_check(out_file)
      template = ::ERB.new(File.read(file))
      # This binding has access to any instance variables of
      # the ProjectCreator instance
      result = template.result(binding)
      File.open(file.to_s.sub(/\.seed$/,''), 'w+') do |io|
        io.puts result
      end
    end
    # Remove the seed file whether we copied or not
    FileUtils.rm_f(file)
  end
end

#proceed ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 59

def proceed
  files, directories = partition{|path| File.file?(path) }
  proceed_directories(directories)
  proceed_files(files)
end

#proceed_directories(dirs) ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 69

def proceed_directories(dirs)
  dirs.each{|dir| mkdir(relate(dir)) }
end

#proceed_files(files) ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 65

def proceed_files(files)
  files.each{|file| copy(file, relate(file)) }
end

#proto ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 33

def proto
  PROTO.map!{|pr| pr.expand_path }
  proto = options[:proto] ||= PROTO.find{|f| f.directory? }
  layout = options[:layout] || ""
  proto.join(layout).expand_path
end

#relate(path) ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 133

def relate(path)
  File.join(target, path.to_s.sub(proto.to_s, ''))
end

#target ⇒ Object 



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# File 'lib/seedling/project_creator.rb', line 29

def target
  pot.expand_path
end