Class: Conjur::Policy::YAML::Handler

Inherits:
Psych::Handler
  • Object
show all
Includes:
Logger
Defined in:
lib/conjur/policy/yaml/handler.rb

Defined Under Namespace

Classes: Base, MapEntry, Mapping, Root, Sequence

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logger

included

Constructor Details

#initialize ⇒ Handler

Returns a new instance of Handler.



308
309
310
311
312
313
 
# File 'lib/conjur/policy/yaml/handler.rb', line 308

def initialize
  @root = Root.new self
  @handlers = [ @root ]
  @anchors = {}
  @filename = "<no-filename>"
end

Instance Attribute Details

#filename ⇒ Object

Returns the value of attribute filename.



7
8
9
 
# File 'lib/conjur/policy/yaml/handler.rb', line 7

def filename
  @filename
end

#parser ⇒ Object

Returns the value of attribute parser.



7
8
9
 
# File 'lib/conjur/policy/yaml/handler.rb', line 7

def parser
  @parser
end

#result ⇒ Object

Returns the value of attribute result.



7
8
9
 
# File 'lib/conjur/policy/yaml/handler.rb', line 7

def result
  @result
end

Instance Method Details

#alias(key) ⇒ Object 



345
346
347
348
 
# File 'lib/conjur/policy/yaml/handler.rb', line 345

def alias key
  log {"#{indent}anchor '#{key}'=#{anchor(key)}"}
  handler.alias key
end

#anchor(*args) ⇒ Object

Get or set an anchor. Invoke with just the anchor name to get the value. Invoke with the anchor name and value to set the value.



327
328
329
330
331
332
333
334
335
336
337
338
339
 
# File 'lib/conjur/policy/yaml/handler.rb', line 327

def anchor *args
  key, value, _ = args
  if _
    raise ArgumentError, "Expecting 1 or 2 arguments, got #{args.length}"
  elsif key && value
    raise "Duplicate anchor #{key}" if @anchors[key]
    @anchors[key] = value
  elsif key
    @anchors[key]
  else
    nil
  end
end

#end_mapping ⇒ Object 



370
371
372
373
 
# File 'lib/conjur/policy/yaml/handler.rb', line 370

def end_mapping
  log {"#{indent}end mapping"}
  handler.end_mapping
end

#end_sequence ⇒ Object 



365
366
367
368
 
# File 'lib/conjur/policy/yaml/handler.rb', line 365

def end_sequence
  log {"#{indent}end sequence"}
  handler.end_sequence
end

#handler ⇒ Object 



343
 
# File 'lib/conjur/policy/yaml/handler.rb', line 343

def handler; @handlers.last; end

#indent ⇒ Object 



389
390
391
 
# File 'lib/conjur/policy/yaml/handler.rb', line 389

def indent
  "  " * [ @handlers.length - 1, 0 ].max
end

#log(&block) ⇒ Object 



383
384
385
386
387
 
# File 'lib/conjur/policy/yaml/handler.rb', line 383

def log &block
  logger.debug('conjur/policy/handler') {
    yield
  }
end

#pop_handler ⇒ Object 



320
321
322
323
 
# File 'lib/conjur/policy/yaml/handler.rb', line 320

def pop_handler
  @handlers.pop
  log {"#{indent}popped to handler #{handler.class}"}
end

#push_handler(handler) ⇒ Object 



315
316
317
318
 
# File 'lib/conjur/policy/yaml/handler.rb', line 315

def push_handler handler
  log {"#{indent}pushing handler #{handler.class}"}
  @handlers.push handler
end

#scalar(*args) ⇒ Object 



375
376
377
378
379
380
381
 
# File 'lib/conjur/policy/yaml/handler.rb', line 375

def scalar *args
  # value, anchor, tag, plain, quoted, style
  value, anchor, tag, _, quoted = args
  log {"#{indent}got scalar #{tag ? tag + '=' : ''}#{value}#{anchor ? '#' + anchor : ''}"}
  value = handler.scalar value, tag, quoted
  anchor anchor, value
end

#start_mapping(*args) ⇒ Object 



350
351
352
353
354
355
356
 
# File 'lib/conjur/policy/yaml/handler.rb', line 350

def start_mapping *args
  log {"#{indent}start mapping #{args}"}
  anchor, tag, _ = args
  tag = "!automatic-role" if %w(!managed-role !managed_role).include?(tag)
  value = handler.start_mapping tag
  anchor anchor, value
end

#start_sequence(*args) ⇒ Object 



358
359
360
361
362
363
 
# File 'lib/conjur/policy/yaml/handler.rb', line 358

def start_sequence *args
  log {"#{indent}start sequence : #{args}"}
  anchor, _ = args
  value = handler.start_sequence
  anchor anchor, value
end