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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
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
146
147
148
149
150
151
152
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
201
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
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
|
// $Id$
#ifndef TAO_UNION_TYPECODE_CPP
#define TAO_UNION_TYPECODE_CPP
#include "tao/AnyTypeCode/Union_TypeCode.h"
#include "tao/AnyTypeCode/TypeCode_Case_Base_T.h"
#ifndef __ACE_INLINE__
# include "tao/AnyTypeCode/Union_TypeCode.inl"
#endif /* !__ACE_INLINE__ */
#include "tao/AnyTypeCode/Any.h"
#include "ace/Value_Ptr.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
bool
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::tao_marshal (
TAO_OutputCDR & cdr,
CORBA::ULong offset) const
{
// A tk_union TypeCode has a "complex" parameter list type (see
// Table 15-2 in Section 15.3.5.1 "TypeCode" in the CDR section of
// the CORBA specification), meaning that it must be marshaled into
// a CDR encapsulation.
// Create a CDR encapsulation.
TAO_OutputCDR enc;
// Account for the encoded CDR encapsulation length and byte order.
//
// Aligning on an octet since the next value after the CDR
// encapsulation length will always be the byte order octet/boolean
// in this case.
offset = ACE_align_binary (offset + 4,
ACE_CDR::OCTET_ALIGN);
bool const success =
(enc << TAO_OutputCDR::from_boolean (TAO_ENCAP_BYTE_ORDER))
&& (enc << TAO_OutputCDR::from_string (this->base_attributes_.id (), 0))
&& (enc << TAO_OutputCDR::from_string (this->base_attributes_.name (), 0))
&& marshal (enc,
Traits<StringType>::get_typecode (this->discriminant_type_),
offset + enc.total_length ())
&& (enc << this->default_index_)
&& (enc << this->ncases_);
if (!success)
{
return false;
}
for (CORBA::ULong i = 0; i < this->ncases_; ++i)
{
case_type const & c = *this->cases_[i];
if (!c.marshal (enc, offset))
{
return false;
}
}
return
cdr << static_cast<CORBA::ULong> (enc.total_length ())
&& cdr.write_octet_array_mb (enc.begin ());
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
void
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::tao_duplicate (void)
{
this->RefCountPolicy::add_ref ();
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
void
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::tao_release (void)
{
this->RefCountPolicy::remove_ref ();
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
const CaseArrayType &
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::cases (void) const
{
return cases_;
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
CORBA::Boolean
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::equal_i (CORBA::TypeCode_ptr tc) const
{
// These calls shouldn't throw since CORBA::TypeCode::equal()
// verified that the TCKind is the same as our's prior to invoking
// this method, meaning that the CORBA::tk_union TypeCode methods
// are supported.
CORBA::ULong const tc_count =
tc->member_count ();
CORBA::Long tc_def = tc->default_index ();
if (tc_count != this->ncases_
|| tc_def != this->default_index_)
return false;
// Check the discriminator type.
CORBA::TypeCode_var tc_discriminator =
tc->discriminator_type ();
CORBA::Boolean const equal_discriminators =
Traits<StringType>::get_typecode (this->discriminant_type_)->equal (
tc_discriminator.in ());
if (!equal_discriminators)
return false;
for (CORBA::ULong i = 0; i < this->ncases_; ++i)
{
if (this->default_index_ > -1
&& static_cast<CORBA::ULong> (this->default_index_) == i)
{
// Don't bother checking equality of default case label. It
// will always be the zero octet (the CDR encoded value is
// ignored).
continue;
}
case_type const & lhs_case = *this->cases_[i];
bool const equal_case = lhs_case.equal (i, tc);
if (!equal_case)
return false;
}
return true;
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
CORBA::Boolean
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::equivalent_i (CORBA::TypeCode_ptr tc) const
{
// Perform a structural comparison, excluding the name() and
// member_name() operations.
CORBA::ULong const tc_count =
tc->member_count ();
CORBA::Long tc_def = tc->default_index ();
if (tc_count != this->ncases_
|| tc_def != this->default_index_)
return false;
CORBA::TypeCode_var tc_discriminator =
tc->discriminator_type ();
CORBA::Boolean const equiv_discriminators =
Traits<StringType>::get_typecode (this->discriminant_type_)->equivalent (
tc_discriminator.in ());
if (!equiv_discriminators)
return false;
for (CORBA::ULong i = 0; i < this->ncases_; ++i)
{
if (this->default_index_ > -1
&& static_cast<CORBA::ULong> (this->default_index_) == i)
{
// Don't bother checking equality/equivalence of default
// case label. It will always be the zero octet (the CDR
// encoded value is ignored).
continue;
}
case_type const & lhs_case = *this->cases_[i];
bool const equivalent_case =
lhs_case.equivalent (i, tc);
if (!equivalent_case)
return false;
}
return true;
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
CORBA::TypeCode_ptr
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::get_compact_typecode_i (void) const
{
// typedef ACE::Value_Ptr<TAO::TypeCode::Case<CORBA::String_var,
// CORBA::TypeCode_var> > elem_type;
// ACE_Array_Base<elem_type> tc_cases (this->ncases_);
// if (this->ncases_ > 0)
// {
// // Dynamically construct a new array of cases stripped of
// // member names.
// static char const empty_name[] = "";
// for (CORBA::ULong i = 0; i < this->ncases_; ++i)
// {
// // Member names will be stripped, i.e. not embedded within
// // the compact TypeCode.
// tc_cases[i].name = empty_name;
// tc_cases[i].type =
// this->cases_[i]->type ()->get_compact_typecode (
// );
// }
// }
// // Create the compact union TypeCode.
// TAO_TypeCodeFactory_Adapter * adapter =
// ACE_Dynamic_Service<TAO_TypeCodeFactory_Adapter>::instance (
// TAO_ORB_Core::typecodefactory_adapter_name ());
// if (adapter == 0)
// {
// throw ::CORBA::INTERNAL ();
// }
// return
// adapter->create_union_tc (
// this->base_attributes_.id (),
// "", /* empty name */
// Traits<StringType>::get_typecode (this->discriminant_type_),
// tc_cases,
// this->ncases_,
// this->default_index_,
// "",
// Traits<StringType>::get_typecode (this->default_case_.type)
// );
throw ::CORBA::NO_IMPLEMENT ();
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
char const *
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::id_i (void) const
{
// Ownership is retained by the TypeCode, as required by the C++
// mapping.
return this->base_attributes_.id ();
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
char const *
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::name_i (void) const
{
// Ownership is retained by the TypeCode, as required by the C++
// mapping.
return this->base_attributes_.name ();
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
CORBA::ULong
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::member_count_i (void) const
{
return this->ncases_;
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
char const *
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::member_name_i (CORBA::ULong index) const
{
// Ownership is retained by the TypeCode, as required by the C++
// mapping.
if (index >= this->ncases_)
throw ::CORBA::TypeCode::Bounds ();
return this->cases_[index]->name ();
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
CORBA::TypeCode_ptr
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::member_type_i (CORBA::ULong index) const
{
if (index >= this->ncases_)
throw ::CORBA::TypeCode::Bounds ();
return CORBA::TypeCode::_duplicate (this->cases_[index]->type ());
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
CORBA::Any *
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::member_label_i (CORBA::ULong index) const
{
if (index >= this->ncases_)
throw ::CORBA::TypeCode::Bounds ();
// Default case.
if (this->default_index_ > -1
&& static_cast<CORBA::ULong> (this->default_index_) == index)
{
CORBA::Any * any = 0;
ACE_NEW_THROW_EX (any,
CORBA::Any,
CORBA::NO_MEMORY ());
CORBA::Any_var safe_any (any);
// Default case's label is a zero octet.
CORBA::Any::from_octet const zero_octet (0);
// Default case/member has a zero octet label value.
(*any) <<= zero_octet;
return safe_any._retn ();
}
// Non-default cases.
return this->cases_[index]->label ();
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
CORBA::TypeCode_ptr
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::discriminator_type_i (void) const
{
return
CORBA::TypeCode::_duplicate (
Traits<StringType>::get_typecode (this->discriminant_type_));
}
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
CORBA::Long
TAO::TypeCode::Union<StringType,
TypeCodeType,
CaseArrayType,
RefCountPolicy>::default_index_i (void) const
{
return this->default_index_;
}
TAO_END_VERSIONED_NAMESPACE_DECL
#endif /* TAO_UNION_TYPECODE_CPP */
|