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Tag: v3.0.2
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require 'set'
module Rails
module Paths
module PathParent
attr_reader :children
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 all_paths
@all_paths.uniq!
@all_paths
end
def autoload_once
filter_by(:autoload_once?)
end
def eager_load
filter_by(:eager_load?)
end
def autoload_paths
filter_by(:autoload?)
end
def load_paths
filter_by(:load_path?)
end
def push(*)
raise "Application root can only have one physical path"
end
alias unshift push
alias << push
alias concat push
protected
def filter_by(constraint)
all = []
all_paths.each do |path|
if path.send(constraint)
paths = path.paths
paths -= path.children.values.map { |p| p.send(constraint) ? [] : p.paths }.flatten
all.concat(paths)
end
end
all.uniq!
all.reject! { |p| !File.exists?(p) }
all
end
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]
autoload_once! if options[:autoload_once]
eager_load! if options[:eager_load]
autoload! if options[:autoload]
load_path! if options[:load_path]
@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
%w(autoload_once eager_load autoload load_path).each do |m|
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{m}!
@#{m} = true
end
def skip_#{m}!
@#{m} = false
end
def #{m}?
@#{m}
end
RUBY
end
def paths
raise "You need to set a path root" unless @root.path
result = @paths.map do |p|
path = File.expand_path(p, @root.path)
@glob ? Dir[File.join(path, @glob)] : path
end
result.flatten!
result.uniq!
result
end
alias to_a paths
end
end
end
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