diff options
author | Francis Irving <francis@mysociety.org> | 2009-12-03 14:18:06 +0000 |
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committer | Francis Irving <francis@mysociety.org> | 2009-12-03 14:18:06 +0000 |
commit | c132fb5904bed2827ad3ef1173cb12d9cf9f96a2 (patch) | |
tree | 75e5f4380eac498576c8443b5b4bde7e599bed5a /vendor/rails-2.1.0/railties/lib/rails/plugin.rb | |
parent | 2eabd0bf1d5c3d0cfa0f2883f6cfd65298ef4cd1 (diff) |
Remove old versions of Rails
Diffstat (limited to 'vendor/rails-2.1.0/railties/lib/rails/plugin.rb')
-rw-r--r-- | vendor/rails-2.1.0/railties/lib/rails/plugin.rb | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/vendor/rails-2.1.0/railties/lib/rails/plugin.rb b/vendor/rails-2.1.0/railties/lib/rails/plugin.rb deleted file mode 100644 index 256f4b013..000000000 --- a/vendor/rails-2.1.0/railties/lib/rails/plugin.rb +++ /dev/null @@ -1,115 +0,0 @@ -module Rails - # The Plugin class should be an object which provides the following methods: - # - # * +name+ - Used during initialisation to order the plugin (based on name and - # the contents of <tt>config.plugins</tt>). - # * +valid?+ - Returns true if this plugin can be loaded. - # * +load_paths+ - Each path within the returned array will be added to the <tt>$LOAD_PATH</tt>. - # * +load+ - Finally 'load' the plugin. - # - # These methods are expected by the Rails::Plugin::Locator and Rails::Plugin::Loader classes. - # The default implementation returns the <tt>lib</tt> directory as its <tt>load_paths</tt>, - # and evaluates <tt>init.rb</tt> when <tt>load</tt> is called. - # - # You can also inspect the about.yml data programmatically: - # - # plugin = Rails::Plugin.new(path_to_my_plugin) - # plugin.about["author"] # => "James Adam" - # plugin.about["url"] # => "http://interblah.net" - class Plugin - include Comparable - - attr_reader :directory, :name - - def initialize(directory) - @directory = directory - @name = File.basename(@directory) rescue nil - @loaded = false - end - - def valid? - File.directory?(directory) && (has_lib_directory? || has_init_file?) - end - - # Returns a list of paths this plugin wishes to make available in <tt>$LOAD_PATH</tt>. - def load_paths - report_nonexistant_or_empty_plugin! unless valid? - has_lib_directory? ? [lib_path] : [] - end - - # Evaluates a plugin's init.rb file. - def load(initializer) - return if loaded? - report_nonexistant_or_empty_plugin! unless valid? - evaluate_init_rb(initializer) - @loaded = true - end - - def loaded? - @loaded - end - - def <=>(other_plugin) - name <=> other_plugin.name - end - - def about - @about ||= load_about_information - end - - private - def load_about_information - about_yml_path = File.join(@directory, "about.yml") - parsed_yml = File.exist?(about_yml_path) ? YAML.load(File.read(about_yml_path)) : {} - parsed_yml || {} - rescue Exception - {} - end - - def report_nonexistant_or_empty_plugin! - raise LoadError, "Can not find the plugin named: #{name}" - end - - def lib_path - File.join(directory, 'lib') - end - - def init_path - File.join(directory, 'init.rb') - end - - def has_lib_directory? - File.directory?(lib_path) - end - - def has_init_file? - File.file?(init_path) - end - - def evaluate_init_rb(initializer) - if has_init_file? - silence_warnings do - # Allow plugins to reference the current configuration object - config = initializer.configuration - - eval(IO.read(init_path), binding, init_path) - end - end - end - end - - # This Plugin subclass represents a Gem plugin. Although RubyGems has already - # taken care of $LOAD_PATHs, it exposes its load_paths to add them - # to Dependencies.load_paths. - class GemPlugin < Plugin - # Initialize this plugin from a Gem::Specification. - def initialize(spec) - super(File.join(spec.full_gem_path)) - @name = spec.name - end - - def init_path - File.join(directory, 'rails', 'init.rb') - end - end -end
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