1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
require 'set'
module Rails
module Paths
module PathParent #:nodoc:
def method_missing(id, *args)
match = id.to_s.match(/^(.*)=$/)
full = [@current, $1 || id].compact.join("/")
ActiveSupport::Deprecation.warn 'config.paths.app.controller API is deprecated in ' <<
'favor of config.paths["app/controller"] API.'
if match || args.any?
@root[full] = Path.new(@root, full, *args)
elsif path = @root[full]
path
else
super
end
end
end
# This object is an extended hash that behaves as root of the Rails::Paths system.
# It allows you to collect information about how you want to structure your application
# paths by a Hash like API. It requires you to give a physical path on initialization.
#
# root = Root.new
# root.add "app/controllers", :eager_load => true
#
# The command above creates a new root object and add "app/controllers" as a path.
# This means we can get a Path object back like below:
#
# path = root["app/controllers"]
# path.eager_load? #=> true
# path.is_a?(Rails::Paths::Path) #=> true
#
# The Path object is simply an array and allows you to easily add extra paths:
#
# path.is_a?(Array) #=> true
# path.inspect #=> ["app/controllers"]
#
# path << "lib/controllers"
# path.inspect #=> ["app/controllers", "lib/controllers"]
#
# Notice that when you add a path using #add, the path object created already
# contains the path with the same path value given to #add. In some situations,
# you may not want this behavior, so you can give :with as option.
#
# root.add "config/routes", :with => "config/routes.rb"
# root["config/routes"].inspect #=> ["config/routes.rb"]
#
# #add also accepts the following options as argument: eager_load, autoload,
# autoload_once and glob.
#
# Finally, the Path object also provides a few helpers:
#
# root = Root.new
# root.path = "/rails"
# root.add "app/controllers"
#
# root["app/controllers"].expanded #=> ["/rails/app/controllers"]
# root["app/controllers"].existent #=> ["/rails/app/controllers"]
#
# Check the Path documentation for more information.
class Root < ::Hash
include PathParent
attr_accessor :path
def initialize(path)
raise if path.is_a?(Array)
@current = nil
@path = path
@root = self
super()
end
def []=(path, value)
value = Path.new(self, path, value) unless value.is_a?(Path)
super(path, value)
end
def add(path, options={})
with = options[:with] || path
self[path] = Path.new(self, path, with, options)
end
def all_paths
values.tap { |v| v.uniq! }
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
protected
def filter_by(constraint)
all = []
all_paths.each do |path|
if path.send(constraint)
paths = path.existent
paths -= path.children.map { |p| p.send(constraint) ? [] : p.existent }.flatten
all.concat(paths)
end
end
all.uniq!
all
end
end
class Path < Array
include PathParent
attr_reader :path
attr_accessor :glob
def initialize(root, current, *paths)
options = paths.last.is_a?(::Hash) ? paths.pop : {}
super(paths.flatten)
@current = current
@root = root
@glob = options[:glob]
options[:autoload_once] ? autoload_once! : skip_autoload_once!
options[:eager_load] ? eager_load! : skip_eager_load!
options[:autoload] ? autoload! : skip_autoload!
options[:load_path] ? load_path! : skip_load_path!
end
def children
keys = @root.keys.select { |k| k.include?(@current) }
keys.delete(@current)
@root.values_at(*keys.sort)
end
def first
expanded.first
end
def last
expanded.last
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
# Expands all paths against the root and return all unique values.
def expanded
raise "You need to set a path root" unless @root.path
result = []
each do |p|
path = File.expand_path(p, @root.path)
if @glob
result.concat Dir[File.join(path, @glob)]
else
result << path
end
end
result.uniq!
result
end
# Returns all expanded paths but only if they exist in the filesystem.
def existent
expanded.select { |f| File.exists?(f) }
end
def paths
ActiveSupport::Deprecation.warn "paths is deprecated. Please call expand instead."
expanded
end
alias to_a expanded
end
end
end
|
