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rails--rails/railties/lib/rails/paths.rb
Yehuda Katz + Carl Lerche 82b9b151ff Refactor plugins
2009-11-11 18:09:16 -08:00

140 lines
No EOL
2.7 KiB
Ruby

require 'set'
module Rails
class Application
module PathParent
def method_missing(id, *args)
name = id.to_s
if name =~ /^(.*)=$/ || args.any?
@children[$1 || name] = Path.new(@root, *args)
elsif path = @children[name]
path
else
super
end
end
end
class Root
include PathParent
attr_accessor :path
def initialize(path)
raise if path.is_a?(Array)
@children = {}
@path = path
@root = self
@all_paths = []
end
def load_once
all_paths.map { |path| path.paths if path.load_once? }.compact.flatten.uniq
end
def eager_load
all_paths.map { |path| path.paths if path.eager_load? }.compact.flatten.uniq
end
def all_paths
@all_paths.uniq!
@all_paths
end
def load_paths
all_paths.map { |path| path.paths if path.load_path? }.compact.flatten.uniq
end
def add_to_load_path
load_paths.reverse_each do |path|
$LOAD_PATH.unshift(path) if File.directory?(path)
end
end
def push(*)
raise "Application root can only have one physical path"
end
alias unshift push
alias << push
alias concat push
end
class Path
include PathParent, Enumerable
attr_reader :path
attr_accessor :glob
def initialize(root, *paths)
@options = paths.last.is_a?(::Hash) ? paths.pop : {}
@children = {}
@root = root
@paths = paths.flatten
@glob = @options[:glob] || "**/*.rb"
@load_once = @options[:load_once]
@eager_load = @options[:eager_load]
@load_path = @options[:load_path] || @eager_load
@root.all_paths << self
end
def each
to_a.each { |p| yield p }
end
def push(path)
@paths.push path
end
alias << push
def unshift(path)
@paths.unshift path
end
def concat(paths)
@paths.concat paths
end
def load_once!
@load_once = true
end
def load_once?
@load_once
end
def eager_load!
@eager_load = true
@load_path = true
end
def eager_load?
@eager_load
end
def load_path!
@load_path = true
end
def load_path?
@load_path
end
def paths
raise "You need to set a path root" unless @root.path
@paths.map do |path|
path.index('/') == 0 ? path : File.expand_path(File.join(@root.path, path))
end
end
alias to_a paths
end
end
end