Module: Yap::World::Addons

Defined in:
lib/yap/world/addons.rb

Defined Under Namespace

Classes: RcFile

Class Method Summary collapse

Class Method Details

.load_directories(directories) ⇒ Object 



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# File 'lib/yap/world/addons.rb', line 63

def self.load_directories(directories)
  directories.map do |d|
    next unless File.directory?(d)
    load_directory(d).map(&:new)
  end.flatten
end

.load_directory(directory) ⇒ Object 



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# File 'lib/yap/world/addons.rb', line 80

def self.load_directory(directory)
  namespace = File.basename(directory).
    split(/[_-]/).
    map(&:capitalize).join
  namespace = "#{namespace}Addon"

  if Yap::World::UserAddons.const_defined?(namespace)
    raise LoadError, "#{namespace} is already defined! Failed loading #{file}"
  end

  # Create a wrapper module for every add-on. This is to eliminate
  # namespace collision.
  addon_module = Module.new do
    extend Namespace
    extend AddonMethods::ClassMethods
    const_set :Addon, Addon
  end

  Yap::World::UserAddons.const_set namespace, addon_module

  lib_path = File.join directory, "lib"
  $LOAD_PATH.unshift lib_path

  gemfiles =   Dir["#{directory}/Gemfile"]
  gemfiles.each do |gemfile|
    eval File.read(gemfile)
  end

  Dir["#{directory}/*.rb"].map do |addon_file|
    load_file(addon_file, namespace:namespace, dir:directory, addon_module:addon_module)
  end
ensure
  $LOAD_PATH.delete(lib_path) if lib_path
end

.load_file(file, dir:, namespace:, addon_module:) ⇒ Object 



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# File 'lib/yap/world/addons.rb', line 115

def self.load_file(file, dir:, namespace:, addon_module:)
  klass_name = file.sub(dir, "").
    sub(/^#{Regexp.escape(File::Separator)}/, "").
    sub(File.extname(file.to_s), "").
    split(File::Separator).
    map{ |m| m.split(/[_-]/).map(&:capitalize).join }.
    join("::")

  addon_module.module_eval IO.read(file), file, lineno=1

  klass_name.split("::").reduce(addon_module) do |ns,name|
    if ns.const_defined?(name)
      ns.const_get(name)
    else
      raise("Did not find #{klass_name} in #{file}")
    end
  end
end

.load_rcfiles(files) ⇒ Object 



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# File 'lib/yap/world/addons.rb', line 57

def self.load_rcfiles(files)
  files.map do |file|
    RcFile.new IO.read(file)
  end
end

.syntax_ok?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/yap/world/addons.rb', line 52

def self.syntax_ok?(file)
  `ruby -c #{file}`
  $?.exitstatus == 0
end