Class: Twig::Loader::Filesystem

Inherits:
Base
  • Object
show all
Defined in:
lib/twig/loader/filesystem.rb

Constant Summary collapse

MAIN_NAMESPACE = 
'__main__'

Instance Method Summary collapse

Constructor Details

#initialize(root_path, paths = []) ⇒ Filesystem 



8
9
10
11
12
13
14
15
16
17
 
# File 'lib/twig/loader/filesystem.rb', line 8

def initialize(root_path, paths = [])
  super()

  @root_path = root_path.to_s
  @paths = {}
  @cache = {}
  @error_cache = {}

  set_paths(paths)
end

Instance Method Details

#add_path(path, namespace = MAIN_NAMESPACE) ⇒ Object 



39
40
41
42
43
44
45
46
47
48
49
50
 
# File 'lib/twig/loader/filesystem.rb', line 39

def add_path(path, namespace = MAIN_NAMESPACE)
  @cache = {}
  @error_cache = {}
  check_path = path[0] == '/' ? path : File.join(@root_path, path)

  unless File.directory?(check_path)
    raise Error::Loader, "The \"#{path}\" directory does not exist (#{check_path})."
  end

  @paths[namespace] ||= []
  @paths[namespace] << path
end

#exists?(name) ⇒ Boolean 



19
20
21
22
23
 
# File 'lib/twig/loader/filesystem.rb', line 19

def exists?(name)
  return true if @cache.key?(name)

  !find_template(name, throw: false).nil?
end

#fresh?(name, time) ⇒ Boolean 



79
80
81
82
83
84
85
 
# File 'lib/twig/loader/filesystem.rb', line 79

def fresh?(name, time)
  if (file = find_template(name))
    return File.mtime(file).to_i < time
  end

  false
end

#get_cache_key(name) ⇒ Object 



73
74
75
76
77
 
# File 'lib/twig/loader/filesystem.rb', line 73

def get_cache_key(name)
  return unless (path = find_template(name))

  path.delete_prefix(@root_path)
end

#get_source_context(name) ⇒ Object

Raises:



65
66
67
68
69
70
71
 
# File 'lib/twig/loader/filesystem.rb', line 65

def get_source_context(name)
  if (file = find_template(name))
    return Source.new(File.read(file), name, file)
  end

  raise Error::Loader, "Unable to find template \"#{name}\" (looked into: #{@paths.inspect})."
end

#paths(namespace = MAIN_NAMESPACE) ⇒ Object 



25
26
27
 
# File 'lib/twig/loader/filesystem.rb', line 25

def paths(namespace = MAIN_NAMESPACE)
  @paths[namespace] || []
end

#prepend_path(path, namespace = MAIN_NAMESPACE) ⇒ Object 



52
53
54
55
56
57
58
59
60
61
62
63
 
# File 'lib/twig/loader/filesystem.rb', line 52

def prepend_path(path, namespace = MAIN_NAMESPACE)
  @cache = {}
  @error_cache = {}
  check_path = path[0] == '/' ? path : File.join(@root_path, path)

  unless File.directory?(check_path)
    raise Error::Loader, "The \"#{path}\" directory does not exist (#{check_path})."
  end

  @paths[namespace] ||= []
  @paths[namespace].unshift(path)
end

#set_paths(paths, namespace = MAIN_NAMESPACE) ⇒ Object 



29
30
31
32
33
34
35
36
37
 
# File 'lib/twig/loader/filesystem.rb', line 29

def set_paths(paths, namespace = MAIN_NAMESPACE)
  paths = [paths] unless paths.is_a?(::Array)

  @paths[namespace] = []

  paths.each do |path|
    add_path(path, namespace)
  end
end