Welcome to mirror list, hosted at ThFree Co, Russian Federation.

context.rb « interpolation « config « ci « gitlab « lib - gitlab.com/gitlab-org/gitlab-foss.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: f5e7db032915fd2686730fcd0509ce82aec084a2 (plain)
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
# frozen_string_literal: true

module Gitlab
  module Ci
    class Config
      module Interpolation
        ##
        # Interpolation::Context is a class that represents the data that can be used
        # when performing string interpolation on a CI configuration.
        #
        class Context
          ContextTooComplexError = Class.new(StandardError)
          NotSymbolizedContextError = Class.new(StandardError)

          MAX_DEPTH = 3

          def initialize(hash)
            @context = hash

            raise ContextTooComplexError if depth > MAX_DEPTH
          end

          def valid?
            errors.none?
          end

          ##
          # This method is here because `Context` will be responsible for validating specs, inputs and defaults.
          #
          def errors
            []
          end

          def depth
            deep_depth(@context)
          end

          def fetch(field)
            @context.fetch(field)
          end

          def key?(name)
            @context.key?(name)
          end

          def to_h
            @context.to_h
          end

          private

          def deep_depth(context, depth = 0)
            values = context.values.map do |value|
              if value.is_a?(Hash)
                deep_depth(value, depth + 1)
              else
                depth + 1
              end
            end

            values.max.to_i
          end

          def self.fabricate(context)
            case context
            when Hash
              new(context)
            when Interpolation::Context
              context
            else
              raise ArgumentError, 'unknown interpolation context'
            end
          end
        end
      end
    end
  end
end