Class: PuppetDebugger::InputResponders::Functions

Inherits:
PuppetDebugger::InputResponderPlugin show all
Defined in:
lib/plugins/puppet-debugger/input_responders/functions.rb

Constant Summary collapse

COMMAND_WORDS = 
%w[functions].freeze
SUMMARY = 
'List all the functions available in the environment.'
COMMAND_GROUP = 
:environment
FUNC_NATIVE_NAME_REGEX = 
/\Afunction\s([\w\:]+)/.freeze
FUNC_V4_NAME_REGEX = 
/Puppet\:\:Functions.create_function\s?\(?\:?\'?([\w\:]+)/.freeze

Instance Attribute Summary

Attributes inherited from PuppetDebugger::InputResponderPlugin

#debugger

Instance Method Summary collapse

Methods inherited from PuppetDebugger::InputResponderPlugin

command_completion, command_group, command_words, details, execute, #modules_paths, #puppet_debugger_lib_dir, summary

Instance Method Details

#current_module_dir ⇒ String

Returns - the current module directory or directory that contains a gemfile.

Returns:

  • (String) —
    • the current module directory or directory that contains a gemfile


47
48
49
50
51
52
53
 
# File 'lib/plugins/puppet-debugger/input_responders/functions.rb', line 47

def current_module_dir
  @current_module_dir ||= begin
    File.dirname(::Bundler.default_gemfile)
                          rescue ::Bundler::GemfileNotFound
                            Dir.pwd
  end
end

#func_list ⇒ Object

append a () to functions so we know they are functions



30
31
32
33
 
# File 'lib/plugins/puppet-debugger/input_responders/functions.rb', line 30

def func_list
  # ideally we should get a list of function names via the puppet loader
  function_map.map { |_name, metadata| "#{metadata[:full_name]}()" }
end

#function_map ⇒ Hash

Returns - a map of all the functions.

Returns:

  • (Hash) —
    • a map of all the functions


36
37
38
39
40
41
42
43
44
 
# File 'lib/plugins/puppet-debugger/input_responders/functions.rb', line 36

def function_map
  functions = {}
  function_files.each do |file|
    obj = function_obj(file)
    # return the last matched in cases where rbenv might be involved
    functions[obj[:full_name]] = obj
  end
  functions
end

#function_obj(file) ⇒ Array

Returns - returns a array of the parentname and function name.

Returns:

  • (Array) —
    • returns a array of the parentname and function name


63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
 
# File 'lib/plugins/puppet-debugger/input_responders/functions.rb', line 63

def function_obj(file)
  namespace = nil
  name = nil
  if file =~ /\.pp/
    File.readlines(file, encoding: 'UTF-8').find do |line|
      # TODO: not getting namespace for functio
      next unless line.match(FUNC_NATIVE_NAME_REGEX)

      namespace, name = Regexp.last_match(1).split('::', 2)
      name = namespace if name.nil?
      namespace = '' if namespace == name
    end
  elsif file.include?('lib/puppet/functions')
    File.readlines(file, encoding: 'UTF-8').find do |line|
      next unless line.match(FUNC_V4_NAME_REGEX)

      namespace, name = Regexp.last_match(1).split('::', 2)
      name = namespace if name.nil?
      namespace = '' if namespace == name
    end
  end
  name ||= File.basename(file, File.extname(file))
  match = file.match('\/(?<mod>[\w\-\.]+)\/(lib|functions|manifests)')
  summary_match = File.read(file, encoding: 'UTF-8').match(/@summary\s(.*)/)
  summary = summary_match[1] if summary_match
  # fetch the puppet version if this is a function from puppet gem
  captures = file.match(/(puppet-[\d\.]+)/)
  file_namespace = captures[1] if captures
  mod_name = file_namespace || match[:mod]
  full_name = namespace.nil? || namespace.empty? ? name : name.prepend("#{namespace}::")
  { namespace: namespace, summary: summary, mod_name: mod_name, name: name, full_name: full_name, file: file }
end

#lib_dirs(module_dirs = modules_paths) ⇒ Object 



55
56
57
58
59
60
 
# File 'lib/plugins/puppet-debugger/input_responders/functions.rb', line 55

def lib_dirs(module_dirs = modules_paths)
  dirs = module_dirs.map do |mod_dir|
    Dir["#{mod_dir}/*/lib"].entries
  end.flatten
  dirs + [puppet_debugger_lib_dir, File.join(current_module_dir, 'lib')]
end

#run(args = []) ⇒ Object 



17
18
19
20
 
# File 'lib/plugins/puppet-debugger/input_responders/functions.rb', line 17

def run(args = [])
  filter = args.first || ''
  TablePrint::Printer.table_print(sorted_list(filter), %i[full_name mod_name])
end

#sorted_list(filter = '') ⇒ Object 



22
23
24
25
26
27
 
# File 'lib/plugins/puppet-debugger/input_responders/functions.rb', line 22

def sorted_list(filter = '')
  search = /#{Regexp.escape(filter)}/
  function_map.values.find_all do |v|
    "#{v[:mod_name]}_#{v[:full_name]}" =~ search
  end.sort { |a, b| a[:full_name] <=> b[:full_name] }
end