Class: Dpl::Support::Gems::Parse

Inherits:
Struct
  • Object
show all
Defined in:
lib/dpl/support/gems.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#code ⇒ Object

Returns the value of attribute code

Returns:

  • (Object) —

    the current value of code



28
29
30
 
# File 'lib/dpl/support/gems.rb', line 28

def code
  @code
end

Instance Method Details

#gems ⇒ Object 



29
30
31
32
 
# File 'lib/dpl/support/gems.rb', line 29

def gems
  return [] unless sexp
  walk(*sexp).flatten.each_slice(3).to_a
end

#sexp ⇒ Object 



67
68
69
 
# File 'lib/dpl/support/gems.rb', line 67

def sexp
  Ripper.sexp(code)
end

#walk(key, *nodes) ⇒ Object 



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
 
# File 'lib/dpl/support/gems.rb', line 34

def walk(key, *nodes)
  case key
  when :program
    nodes[0].map { |node| walk(*node) }.compact
  when :module
    walk(*nodes[1])
  when :class
    walk(*nodes[2])
  when :bodystmt
    nodes[0].map { |node| walk(*node) }.compact
  when :command
    walk(*nodes[1]) if nodes[0][1] == 'gem'
  when :args_add_block
    args = nodes[0].map { |node| walk(*node) }
    opts = args.last.is_a?(Hash) ? args.pop : {}
    name, version = *args
    [name, version, opts]
  when :bare_assoc_hash
    walk(*nodes[0][0])
  when :assoc_new
    [nodes.map { |node| walk(*node) }].to_h
  when :@label
    nodes.first.sub(':', '').to_sym
  when :string_literal
    walk(*nodes[0])
  when :string_content
    nodes[0][1]
    # when :void_stmt
    # else
    #   raise key.to_s
  end
end