Class: CssRewrite::Postprocessor

Inherits:
Object
  • Object
show all
Defined in:
lib/css-rewrite/postprocessor.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename, &block) ⇒ Postprocessor

Returns a new instance of Postprocessor.



63
64
65
66
 
# File 'lib/css-rewrite/postprocessor.rb', line 63

def initialize(filename, &block)
  @filename = filename
  @source = block.call
end

Class Method Details

.call(input) ⇒ Object 



25
26
27
28
29
30
31
32
 
# File 'lib/css-rewrite/postprocessor.rb', line 25

def call(input)
  filename = input[:filename]
  source   = input[:data]
  context  = input[:environment].context_class.new(input)

  result = run(filename, source, context)
  context.metadata.merge(data: result)
end

.run(filename, source, context) ⇒ Object 



6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
# File 'lib/css-rewrite/postprocessor.rb', line 6

def run(filename, source, context)
  rewriters = find_rewriters(filename)
  return source if rewriters.empty?
  tree = Crass.parse(source, preserve_comments: true)

  replace_urls(tree) do |url|
    rewritten_url = nil

    rewriters.each do |rewriter|
      rewritten_url = rewriter.rewrite(url)
      break if rewritten_url
    end

    rewritten_url || url
  end

  Crass::Parser.stringify(tree)
end

Instance Method Details

#render(context, empty_hash_wtf) ⇒ Object 



68
69
70
 
# File 'lib/css-rewrite/postprocessor.rb', line 68

def render(context, empty_hash_wtf)
  self.class.run(@filename, @source, context)
end