Class: BSON::BSON_RUBY

Inherits:
Object
  • Object
show all
Defined in:
lib/bson/bson_ruby.rb

Overview

A BSON seralizer/deserializer in pure Ruby.

Constant Summary collapse

MINKEY =
-1
EOO =
0
NUMBER =
1
STRING =
2
OBJECT =
3
ARRAY =
4
BINARY =
5
UNDEFINED =
6
OID =
7
BOOLEAN =
8
DATE =
9
NULL =
10
REGEX =
11
REF =
12
CODE =
13
SYMBOL =
14
CODE_W_SCOPE =
15
NUMBER_INT =
16
TIMESTAMP =
17
NUMBER_LONG =
18
MAXKEY =
127
INT32_MIN =
-(1 << 31) + 1
INT32_MAX =
(1 << 31) - 1
INT64_MIN =
-2**64 / 2
INT64_MAX =
2**64 / 2 - 1
UTF8_ENCODING =
Encoding.find('utf-8')
BINARY_ENCODING =
Encoding.find('binary')
@@max_bson_size =
DEFAULT_MAX_BSON_SIZE

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(max_bson_size = DEFAULT_MAX_BSON_SIZE) ⇒ BSON_RUBY

Returns a new instance of BSON_RUBY.


49
50
51
52
# File 'lib/bson/bson_ruby.rb', line 49

def initialize(max_bson_size=DEFAULT_MAX_BSON_SIZE)
  @buf = ByteBuffer.new('', max_bson_size)
  @encoder = BSON_RUBY
end

Class Method Details

.deserialize(buf = nil) ⇒ Object


111
112
113
# File 'lib/bson/bson_ruby.rb', line 111

def self.deserialize(buf=nil)
  new.deserialize(buf)
end

.max_bson_sizeObject


82
83
84
85
# File 'lib/bson/bson_ruby.rb', line 82

def self.max_bson_size
  warn "BSON::BSON_CODER.max_bson_size is deprecated and will be removed in v2.0."
  @@max_bson_size
end

.serialize(obj, check_keys = false, move_id = false, max_bson_size = DEFAULT_MAX_BSON_SIZE) ⇒ Object

Serializes an object. Implemented to ensure an API compatible with BSON extension.


107
108
109
# File 'lib/bson/bson_ruby.rb', line 107

def self.serialize(obj, check_keys=false, move_id=false, max_bson_size=DEFAULT_MAX_BSON_SIZE)
  new(max_bson_size).serialize(obj, check_keys, move_id)
end

.serialize_cstr(buf, val) ⇒ Object


87
88
89
90
# File 'lib/bson/bson_ruby.rb', line 87

def self.serialize_cstr(buf, val)
  buf.put_binary(to_utf8_binary(val.to_s))
  buf.put_binary(NULL_BYTE)
end

.serialize_key(buf, key) ⇒ Object

Raises:


92
93
94
95
# File 'lib/bson/bson_ruby.rb', line 92

def self.serialize_key(buf, key)
  raise InvalidDocument, "Key names / regex patterns must not contain the NULL byte" if key.include? "\x00"
  self.serialize_cstr(buf, key)
end

.to_utf8_binary(str) ⇒ Object


58
59
60
61
62
63
64
65
# File 'lib/bson/bson_ruby.rb', line 58

def self.to_utf8_binary(str)
  begin
    str.unpack("U*")
  rescue
    raise InvalidStringEncoding, "String not valid utf-8: #{str.inspect}"
  end
  str.dup.force_encoding(BINARY_ENCODING)
end

.update_max_bson_size(connection) ⇒ Object


77
78
79
80
# File 'lib/bson/bson_ruby.rb', line 77

def self.update_max_bson_size(connection)
  warn "BSON::BSON_CODER.update_max_bson_size is deprecated and now a no-op. It will be removed in v2.0."
  @@max_bson_size = connection.max_bson_size
end

Instance Method Details

#bson_type(o) ⇒ Object


583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
# File 'lib/bson/bson_ruby.rb', line 583

def bson_type(o)
  case o
  when nil
    NULL
  when Integer
    NUMBER_INT
  when Float
    NUMBER
  when ByteBuffer
    BINARY
  when Code
    CODE_W_SCOPE
  when String
    STRING
  when Array
    ARRAY
  when Regexp
    REGEX
  when ObjectId
    OID
  when DBRef
    REF
  when true, false
    BOOLEAN
  when Time
    DATE
  when Hash
    OBJECT
  when Symbol
    SYMBOL
  when MaxKey
    MAXKEY
  when MinKey
    MINKEY
  when Timestamp
    TIMESTAMP
  when Numeric
    raise InvalidDocument, "Cannot serialize the Numeric type #{o.class} as BSON; only Fixum, Bignum, and Float are supported."
  when Date, DateTime
    raise InvalidDocument, "#{o.class} is not currently supported; " +
    "use a UTC Time instance instead."
  else
    if defined?(ActiveSupport::Multibyte::Chars) && o.is_a?(ActiveSupport::Multibyte::Chars)
      STRING
    elsif defined?(ActiveSupport::TimeWithZone) && o.is_a?(ActiveSupport::TimeWithZone)
      raise InvalidDocument, "ActiveSupport::TimeWithZone is not currently supported; " +
      "use a UTC Time instance instead."
    else
      raise InvalidDocument, "Cannot serialize #{o.class} as a BSON type; it either isn't supported or won't translate to BSON."
    end
  end
end

#deserialize(buf = nil) ⇒ Object


202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
# File 'lib/bson/bson_ruby.rb', line 202

def deserialize(buf=nil)
  # If buf is nil, use @buf, assumed to contain already-serialized BSON.
  # This is only true during testing.
  if buf.is_a? String
    @buf = ByteBuffer.new(buf.unpack("C*")) if buf
  else
    @buf = ByteBuffer.new(buf.to_a) if buf
  end
  @buf.rewind
  @buf.get_int                # eat message size
  doc = BSON::OrderedHash.new
  while @buf.more?
    type = @buf.get
    case type
    when STRING, CODE
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_string_data(@buf)
    when SYMBOL
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_string_data(@buf).intern
    when NUMBER
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_number_data(@buf)
    when NUMBER_INT
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_number_int_data(@buf)
    when NUMBER_LONG
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_number_long_data(@buf)
    when OID
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_oid_data(@buf)
    when ARRAY
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_array_data(@buf)
    when REGEX
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_regex_data(@buf)
    when OBJECT
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_object_data(@buf)
    when BOOLEAN
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_boolean_data(@buf)
    when DATE
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_date_data(@buf)
    when NULL
      key = deserialize_cstr(@buf)
      doc[key] = nil
    when UNDEFINED
      key = deserialize_cstr(@buf)
      doc[key] = nil
    when REF
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_dbref_data(@buf)
    when BINARY
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_binary_data(@buf)
    when CODE_W_SCOPE
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_code_w_scope_data(@buf)
    when TIMESTAMP
      key = deserialize_cstr(@buf)
      doc[key] = deserialize_timestamp_data(@buf)
    when MAXKEY
      key = deserialize_cstr(@buf)
      doc[key] = MaxKey.new
    when MINKEY, 255 # This is currently easier than unpack the type byte as an unsigned char.
      key = deserialize_cstr(@buf)
      doc[key] = MinKey.new
    when EOO
      break
    else
      raise "Unknown type #{type}, key = #{key}"
    end
  end
  @buf.rewind
  doc
end

#deserialize_array_data(buf) ⇒ Object


330
331
332
333
334
335
# File 'lib/bson/bson_ruby.rb', line 330

def deserialize_array_data(buf)
  h = deserialize_object_data(buf)
  a = []
  h.each { |k, v| a[k.to_i] = v }
  a
end

#deserialize_binary_data(buf) ⇒ Object


399
400
401
402
403
404
# File 'lib/bson/bson_ruby.rb', line 399

def deserialize_binary_data(buf)
  len = buf.get_int
  type = buf.get
  len = buf.get_int if type == Binary::SUBTYPE_BYTES
  Binary.new(buf.get(len), type)
end

#deserialize_boolean_data(buf) ⇒ Object


303
304
305
# File 'lib/bson/bson_ruby.rb', line 303

def deserialize_boolean_data(buf)
  buf.get == 1
end

#deserialize_code_w_scope_data(buf) ⇒ Object


374
375
376
377
378
379
380
381
382
383
384
385
386
387
# File 'lib/bson/bson_ruby.rb', line 374

def deserialize_code_w_scope_data(buf)
  buf.get_int
  len = buf.get_int
  code = buf.get(len)[0..-2]
  if code.respond_to? "pack"
    code = code.pack("C*")
  end

  scope_size = buf.get_int
  buf.position -= 4
  scope = @encoder.new.deserialize(buf.get(scope_size))

  Code.new(encoded_str(code), scope)
end

#deserialize_cstr(buf) ⇒ Object


573
574
575
576
577
578
579
580
581
# File 'lib/bson/bson_ruby.rb', line 573

def deserialize_cstr(buf)
  chars = ""
  while true
    b = buf.get
    break if b == 0
    chars << b.chr
  end
  encoded_str(chars)
end

#deserialize_date_data(buf) ⇒ Object


298
299
300
301
# File 'lib/bson/bson_ruby.rb', line 298

def deserialize_date_data(buf)
  milliseconds = buf.get_long
  Time.at(milliseconds.to_f / 1000.0).utc # at() takes fractional seconds
end

#deserialize_dbref_data(buf) ⇒ Object


393
394
395
396
397
# File 'lib/bson/bson_ruby.rb', line 393

def deserialize_dbref_data(buf)
  ns = deserialize_string_data(buf)
  oid = deserialize_oid_data(buf)
  DBRef.new(ns, oid)
end

#deserialize_number_data(buf) ⇒ Object


307
308
309
# File 'lib/bson/bson_ruby.rb', line 307

def deserialize_number_data(buf)
  buf.get_double
end

#deserialize_number_int_data(buf) ⇒ Object


311
312
313
# File 'lib/bson/bson_ruby.rb', line 311

def deserialize_number_int_data(buf)
  buf.get_int
end

#deserialize_number_long_data(buf) ⇒ Object


315
316
317
# File 'lib/bson/bson_ruby.rb', line 315

def deserialize_number_long_data(buf)
  buf.get_long
end

#deserialize_object_data(buf) ⇒ Object


319
320
321
322
323
324
325
326
327
328
# File 'lib/bson/bson_ruby.rb', line 319

def deserialize_object_data(buf)
  size = buf.get_int
  buf.position -= 4
  object = @encoder.new.deserialize(buf.get(size))
  if object.has_key? "$ref"
    DBRef.new(object["$ref"], object["$id"])
  else
    object
  end
end

#deserialize_oid_data(buf) ⇒ Object


389
390
391
# File 'lib/bson/bson_ruby.rb', line 389

def deserialize_oid_data(buf)
  ObjectId.new(buf.get(12))
end

#deserialize_regex_data(buf) ⇒ Object


337
338
339
340
341
342
343
344
345
346
# File 'lib/bson/bson_ruby.rb', line 337

def deserialize_regex_data(buf)
  str = deserialize_cstr(buf)
  options_str = deserialize_cstr(buf)
  opts = 0
  opts |= Regexp::IGNORECASE if options_str.include?('i')
  opts |= Regexp::MULTILINE if options_str.include?('m')
  opts |= Regexp::MULTILINE if options_str.include?('s')
  opts |= Regexp::EXTENDED if options_str.include?('x')
  Regexp.new(str, opts)
end

#deserialize_string_data(buf) ⇒ Object


364
365
366
367
368
369
370
371
372
# File 'lib/bson/bson_ruby.rb', line 364

def deserialize_string_data(buf)
  len = buf.get_int
  bytes = buf.get(len)
  str = bytes[0..-2]
  if str.respond_to? "pack"
    str = str.pack("C*")
  end
  encoded_str(str)
end

#deserialize_timestamp_data(buf) ⇒ Object


348
349
350
351
352
# File 'lib/bson/bson_ruby.rb', line 348

def deserialize_timestamp_data(buf)
  increment = buf.get_int
  seconds = buf.get_int
  Timestamp.new(seconds, increment)
end

#encoded_str(str) ⇒ Object


354
355
356
357
358
359
360
361
362
# File 'lib/bson/bson_ruby.rb', line 354

def encoded_str(str)
  if RUBY_VERSION >= '1.9'
    str.force_encoding("utf-8")
    if Encoding.default_internal
      str.encode!(Encoding.default_internal)
    end
  end
  str
end

#hex_dumpObject

For debugging.


284
285
286
287
288
289
290
291
292
293
294
295
296
# File 'lib/bson/bson_ruby.rb', line 284

def hex_dump
  str = ''
  @buf.to_a.each_with_index { |b,i|
    if (i % 8) == 0
      str << "\n" if i > 0
      str << '%4d:  ' % i
    else
      str << ' '
    end
    str << '%02X' % b
  }
  str
end

#serialize(obj, check_keys = false, move_id = false) ⇒ Object

Raises:


115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
# File 'lib/bson/bson_ruby.rb', line 115

def serialize(obj, check_keys=false, move_id=false)
  raise(InvalidDocument, "BSON.serialize takes a Hash but got a #{obj.class}") unless obj.is_a?(Hash)
  raise "Document is null" unless obj

  @buf.rewind
  # put in a placeholder for the total size
  @buf.put_int(0)

  # Write key/value pairs. Always write _id first if it exists.
  if move_id
    if obj.has_key? '_id'
      serialize_key_value('_id', obj['_id'], false)
    elsif obj.has_key? :_id
      serialize_key_value('_id', obj[:_id], false)
    end
    obj.each {|k, v| serialize_key_value(k, v, check_keys) unless k == '_id' || k == :_id }
  else
    if obj.has_key?('_id') && obj.has_key?(:_id)
      obj['_id'] = obj.delete(:_id)
    end
    obj.each {|k, v| serialize_key_value(k, v, check_keys) }
  end

  serialize_eoo_element(@buf)
  if @buf.size > @buf.max_size
    raise InvalidDocument, "Document is too large (#{@buf.size}). " +
     "This BSON document is limited to #{@buf.max_size} bytes."
  end
  @buf.put_int(@buf.size, 0)
  @buf
end

#serialize_array_element(buf, key, val, check_keys) ⇒ Object


481
482
483
484
485
486
487
# File 'lib/bson/bson_ruby.rb', line 481

def serialize_array_element(buf, key, val, check_keys)
  # Turn array into hash with integer indices as keys
  h = BSON::OrderedHash.new
  i = 0
  val.each { |v| h[i] = v; i += 1 }
  serialize_object_element(buf, key, h, check_keys, ARRAY)
end

#serialize_binary_element(buf, key, val) ⇒ Object


422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
# File 'lib/bson/bson_ruby.rb', line 422

def serialize_binary_element(buf, key, val)
  buf.put(BINARY)
  self.class.serialize_key(buf, key)

  bytes = val.to_a
  num_bytes = bytes.length
  subtype = val.respond_to?(:subtype) ? val.subtype : Binary::SUBTYPE_BYTES
  if subtype == Binary::SUBTYPE_BYTES
    buf.put_int(num_bytes + 4)
    buf.put(subtype)
    buf.put_int(num_bytes)
    buf.put_array(bytes)
  else
    buf.put_int(num_bytes)
    buf.put(subtype)
    buf.put_array(bytes)
  end
end

#serialize_boolean_element(buf, key, val) ⇒ Object


441
442
443
444
445
# File 'lib/bson/bson_ruby.rb', line 441

def serialize_boolean_element(buf, key, val)
  buf.put(BOOLEAN)
  self.class.serialize_key(buf, key)
  buf.put(val ? 1 : 0)
end

#serialize_code_w_scope(buf, key, val) ⇒ Object


556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
# File 'lib/bson/bson_ruby.rb', line 556

def serialize_code_w_scope(buf, key, val)
  buf.put(CODE_W_SCOPE)
  self.class.serialize_key(buf, key)

  # Make a hole for the length
  len_pos = buf.position
  buf.put_int(0)

  buf.put_int(val.code.length + 1)
  self.class.serialize_cstr(buf, val.code)
  buf.put_array(@encoder.new.serialize(val.scope).to_a)

  end_pos = buf.position
  buf.put_int(end_pos - len_pos, len_pos)
  buf.position = end_pos
end

#serialize_date_element(buf, key, val) ⇒ Object


447
448
449
450
451
452
# File 'lib/bson/bson_ruby.rb', line 447

def serialize_date_element(buf, key, val)
  buf.put(DATE)
  self.class.serialize_key(buf, key)
  millisecs = (val.to_f * 1000).to_i
  buf.put_long(millisecs)
end

#serialize_dbref_element(buf, key, val) ⇒ Object

this does NOT use the BSON “x0C” DBPointer type


415
416
417
418
419
420
# File 'lib/bson/bson_ruby.rb', line 415

def serialize_dbref_element(buf, key, val) # this does NOT use the BSON "\x0C" DBPointer type
  oh = BSON::OrderedHash.new
  oh['$ref'] = val.namespace
  oh['$id'] = val.object_id
  serialize_object_element(buf, key, oh, false)
end

#serialize_eoo_element(buf) ⇒ Object


406
407
408
# File 'lib/bson/bson_ruby.rb', line 406

def serialize_eoo_element(buf)
  buf.put(EOO)
end

#serialize_key_value(k, v, check_keys) ⇒ Object


153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
# File 'lib/bson/bson_ruby.rb', line 153

def serialize_key_value(k, v, check_keys)
  k = k.to_s
  if check_keys
    if k[0] == ?$
      raise InvalidKeyName.new("key #{k} must not start with '$'")
    end
    if k.include? ?.
      raise InvalidKeyName.new("key #{k} must not contain '.'")
    end
  end
  type = bson_type(v)
  case type
  when STRING, SYMBOL
    serialize_string_element(@buf, k, v, type)
  when NUMBER, NUMBER_INT
    serialize_number_element(@buf, k, v, type)
  when OBJECT
    serialize_object_element(@buf, k, v, check_keys)
  when OID
    serialize_oid_element(@buf, k, v)
  when ARRAY
    serialize_array_element(@buf, k, v, check_keys)
  when REGEX
    serialize_regex_element(@buf, k, v)
  when BOOLEAN
    serialize_boolean_element(@buf, k, v)
  when DATE
    serialize_date_element(@buf, k, v)
  when NULL
    serialize_null_element(@buf, k)
  when REF
    serialize_dbref_element(@buf, k, v)
  when BINARY
    serialize_binary_element(@buf, k, v)
  when UNDEFINED
    serialize_null_element(@buf, k)
  when CODE_W_SCOPE
    serialize_code_w_scope(@buf, k, v)
  when MAXKEY
    serialize_max_key_element(@buf, k)
  when MINKEY
    serialize_min_key_element(@buf, k)
  when TIMESTAMP
    serialize_timestamp_element(@buf, k, v)
  else
    raise "unhandled type #{type}"
  end
end

#serialize_max_key_element(buf, key) ⇒ Object


511
512
513
514
# File 'lib/bson/bson_ruby.rb', line 511

def serialize_max_key_element(buf, key)
  buf.put(MAXKEY)
  self.class.serialize_key(buf, key)
end

#serialize_min_key_element(buf, key) ⇒ Object


516
517
518
519
# File 'lib/bson/bson_ruby.rb', line 516

def serialize_min_key_element(buf, key)
  buf.put(MINKEY)
  self.class.serialize_key(buf, key)
end

#serialize_null_element(buf, key) ⇒ Object


410
411
412
413
# File 'lib/bson/bson_ruby.rb', line 410

def serialize_null_element(buf, key)
  buf.put(NULL)
  self.class.serialize_key(buf, key)
end

#serialize_number_element(buf, key, val, type) ⇒ Object


454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
# File 'lib/bson/bson_ruby.rb', line 454

def serialize_number_element(buf, key, val, type)
  if type == NUMBER
    buf.put(type)
    self.class.serialize_key(buf, key)
    buf.put_double(val)
  else
    if val > INT64_MAX or val < INT64_MIN
      raise RangeError.new("MongoDB can only handle 8-byte ints")
    end
    if val > INT32_MAX or val < INT32_MIN
      buf.put(NUMBER_LONG)
      self.class.serialize_key(buf, key)
      buf.put_long(val)
    else
      buf.put(type)
      self.class.serialize_key(buf, key)
      buf.put_int(val)
    end
  end
end

#serialize_object_element(buf, key, val, check_keys, opcode = OBJECT) ⇒ Object


475
476
477
478
479
# File 'lib/bson/bson_ruby.rb', line 475

def serialize_object_element(buf, key, val, check_keys, opcode=OBJECT)
  buf.put(opcode)
  self.class.serialize_key(buf, key)
  buf.put_array(@encoder.new.serialize(val, check_keys).to_a)
end

#serialize_oid_element(buf, key, val) ⇒ Object


529
530
531
532
533
534
# File 'lib/bson/bson_ruby.rb', line 529

def serialize_oid_element(buf, key, val)
  buf.put(OID)
  self.class.serialize_key(buf, key)

  buf.put_array(val.to_a)
end

#serialize_regex_element(buf, key, val) ⇒ Object


489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
# File 'lib/bson/bson_ruby.rb', line 489

def serialize_regex_element(buf, key, val)
  buf.put(REGEX)
  self.class.serialize_key(buf, key)

  str = val.source
  # We use serialize_key here since regex patterns aren't prefixed with
  # length (can't contain the NULL byte).
  self.class.serialize_key(buf, str)

  options = val.options
  options_str = ''
  options_str << 'i' if ((options & Regexp::IGNORECASE) != 0)
  if ((options & Regexp::MULTILINE) != 0)
    options_str << 'm'
    options_str << 's'
  end
  options_str << 'x' if ((options & Regexp::EXTENDED) != 0)
  options_str << val.extra_options_str if val.respond_to?(:extra_options_str)
  # Must store option chars in alphabetical order
  self.class.serialize_cstr(buf, options_str.split(//).sort.uniq.join)
end

#serialize_string_element(buf, key, val, type) ⇒ Object


536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
# File 'lib/bson/bson_ruby.rb', line 536

def serialize_string_element(buf, key, val, type)
  buf.put(type)
  self.class.serialize_key(buf, key)

  # Make a hole for the length
  len_pos = buf.position
  buf.put_int(0)

  # Save the string
  start_pos = buf.position
  self.class.serialize_cstr(buf, val)
  end_pos = buf.position

  # Put the string size in front
  buf.put_int(end_pos - start_pos, len_pos)

  # Go back to where we were
  buf.position = end_pos
end

#serialize_timestamp_element(buf, key, val) ⇒ Object


521
522
523
524
525
526
527
# File 'lib/bson/bson_ruby.rb', line 521

def serialize_timestamp_element(buf, key, val)
  buf.put(TIMESTAMP)
  self.class.serialize_key(buf, key)

  buf.put_int(val.increment)
  buf.put_int(val.seconds)
end

#to_aObject


97
98
99
# File 'lib/bson/bson_ruby.rb', line 97

def to_a
  @buf.to_a
end

#to_sObject


101
102
103
# File 'lib/bson/bson_ruby.rb', line 101

def to_s
  @buf.to_s
end

#unpackObject

Returns the array stored in the buffer. Implemented to ensure an API compatible with BSON extension.


149
150
151
# File 'lib/bson/bson_ruby.rb', line 149

def unpack
  @buf.to_a
end