Module: Faraday::FlatterParamsEncoder

Defined in:
lib/dacpclient/faraday/flatter_params_encoder.rb

Class Method Summary collapse

Class Method Details

.decode(query) ⇒ Object 



53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
 
# File 'lib/dacpclient/faraday/flatter_params_encoder.rb', line 53

def self.decode(query)
  empty_accumulator = {}
  return nil if query.nil?
  split_query = (query.split('&').map do |pair|
    pair.split('=', 2) if pair && !pair.empty?
  end).compact
  split_query.reduce(empty_accumulator.dup) do |accu, pair|
    pair[0] = unescape(pair[0])
    pair[1] = true if pair[1].nil?
    if pair[1].respond_to?(:to_str)
      pair[1] = unescape(pair[1].to_str.gsub(/\+/, ' '))
    end
    if accu[pair[0]].kind_of?(Array)
      accu[pair[0]] << pair[1]
    elsif accu[pair[0]]
      accu[pair[0]] = [accu[pair[0]], pair[1]]
    else
      accu[pair[0]] = pair[1]
    end
    accu
  end
end

.encode(params) ⇒ Object 



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
 
# File 'lib/dacpclient/faraday/flatter_params_encoder.rb', line 15

def self.encode(params)
  return nil if params.nil?

  unless params.is_a?(Array)
    unless params.respond_to?(:to_hash)
      fail TypeError,
           "Can't convert #{params.class} into Hash."
    end
    params = params.to_hash
    params = params.map do |key, value|
      key = key.to_s if key.kind_of?(Symbol)
      [key, value]
    end
    # Useful default for OAuth and caching.
    # Only to be used for non-Array inputs. Arrays should preserve order.
    params.sort!
  end

  # The params have form [['key1', 'value1'], ['key2', 'value2']].
  buffer = ''
  params.each do |key, value|
    encoded_key = escape(key)
    value = value.to_s if value == true || value == false
    if value.nil?
      buffer << "#{encoded_key}&"
    elsif value.kind_of?(Array)
      value.each do |sub_value|
        encoded_value = escape(sub_value)
        buffer << "#{encoded_key}=#{encoded_value}&"
      end
    else
      encoded_value = escape(value)
      buffer << "#{encoded_key}=#{encoded_value}&"
    end
  end
  buffer.chop
end

.escape(s) ⇒ Object 



5
6
7
8
9
 
# File 'lib/dacpclient/faraday/flatter_params_encoder.rb', line 5

def self.escape(s)
  s.to_s.gsub(/[^a-zA-Z0-9 .~_\-,:\*'\+()]/) do
    '%' + $&.unpack('H2' * $&.bytesize).join('%').upcase
  end.tr(' ', '+')
end

.unescape(s) ⇒ Object 



11
12
13
 
# File 'lib/dacpclient/faraday/flatter_params_encoder.rb', line 11

def self.unescape(s)
  CGI.unescape(s.to_s)
end