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970ed795 | 1 | /////////////////////////////////////////////////////////////////////////////// |
3abe9331 | 2 | // Copyright (c) 2000-2015 Ericsson Telecom AB |
970ed795 EL |
3 | // All rights reserved. This program and the accompanying materials |
4 | // are made available under the terms of the Eclipse Public License v1.0 | |
5 | // which accompanies this distribution, and is available at | |
6 | // http://www.eclipse.org/legal/epl-v10.html | |
7 | /////////////////////////////////////////////////////////////////////////////// | |
8 | #ifndef OPTIONAL_HH | |
9 | #define OPTIONAL_HH | |
10 | ||
11 | #include "Types.h" | |
12 | #include "Param_Types.hh" | |
13 | #include "Basetype.hh" | |
14 | #include "Template.hh" | |
15 | #include "BER.hh" | |
16 | #include "Logger.hh" | |
17 | #include "Encdec.hh" | |
18 | #include "Textbuf.hh" | |
19 | #include "Error.hh" | |
20 | #include "Parameters.h" | |
21 | #include "XER.hh" | |
22 | #include "JSON.hh" | |
23 | #include "XmlReader.hh" | |
24 | ||
25 | enum optional_sel { OPTIONAL_UNBOUND, OPTIONAL_OMIT, OPTIONAL_PRESENT }; | |
26 | ||
27 | template <typename T_type> | |
a38c6d4c | 28 | class OPTIONAL : public Base_Type |
29 | #ifdef TITAN_RUNTIME_2 | |
30 | , public RefdIndexInterface | |
31 | #endif | |
32 | { | |
af710487 | 33 | /** The value, if present (owned by OPTIONAL) |
34 | * In Runtime2 the pointer is null, when the value is not present. | |
35 | * In Runtime1 its presence is indicated by the optional_selection member. */ | |
36 | T_type *optional_value; | |
37 | ||
970ed795 | 38 | /** Specifies the state of the optional field |
af710487 | 39 | * @tricky In Runtime2 the optional value can be modified through parameter references, |
970ed795 EL |
40 | * in which case this member variable will not be updated. Always use the function |
41 | * get_selection() instead of directly referencing this variable. */ | |
af710487 | 42 | optional_sel optional_selection; |
970ed795 | 43 | |
af710487 | 44 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 45 | /** Stores the number of elements referenced by 'out' and 'inout' parameters, |
af710487 | 46 | * if the optional field is a record of/set of/array (only in Runtime2). |
970ed795 | 47 | * If at least one element is referenced, the value must not be deleted. */ |
af710487 | 48 | int param_refs; |
49 | #endif | |
970ed795 EL |
50 | |
51 | /** Set the optional value to present. | |
52 | * If the value was already present, does nothing. | |
53 | * Else allocates a new (uninitialized) T-type. | |
54 | * @post \c optional_selection is OPTIONAL_PRESENT | |
55 | * @post \c optional_value is not NULL | |
56 | */ | |
57 | #ifdef TITAN_RUNTIME_2 | |
58 | public: | |
59 | virtual | |
60 | #else | |
61 | inline | |
62 | #endif | |
63 | void set_to_present() { | |
64 | if (optional_selection != OPTIONAL_PRESENT) { | |
65 | optional_selection = OPTIONAL_PRESENT; | |
af710487 | 66 | #ifdef TITAN_RUNTIME_2 |
67 | if (optional_value == NULL) | |
68 | #endif | |
970ed795 | 69 | optional_value = new T_type; |
970ed795 EL |
70 | } |
71 | } | |
72 | ||
73 | /** Set the optional value to omit. | |
74 | * If the value was present, frees it. | |
75 | * @post optional_selection is OPTIONAL_OMIT | |
76 | */ | |
77 | #ifdef TITAN_RUNTIME_2 | |
78 | public: | |
79 | virtual | |
80 | #else | |
81 | inline | |
82 | #endif | |
83 | void set_to_omit() { | |
af710487 | 84 | #ifdef TITAN_RUNTIME_2 |
970ed795 EL |
85 | if (is_present()) { |
86 | if (param_refs > 0) { | |
87 | optional_value->clean_up(); | |
88 | } | |
89 | else { | |
90 | delete optional_value; | |
91 | optional_value = NULL; | |
92 | } | |
93 | } | |
af710487 | 94 | #else |
95 | if (optional_selection == OPTIONAL_PRESENT) { | |
96 | delete optional_value; | |
97 | } | |
98 | #endif | |
970ed795 EL |
99 | optional_selection = OPTIONAL_OMIT; |
100 | } | |
101 | ||
102 | public: | |
103 | /// Default constructor creates an unbound object | |
af710487 | 104 | OPTIONAL() : optional_value(NULL), optional_selection(OPTIONAL_UNBOUND) |
105 | #ifdef TITAN_RUNTIME_2 | |
106 | , param_refs(0) | |
107 | #endif | |
108 | { } | |
970ed795 EL |
109 | |
110 | /// Construct an optional object set to omit. | |
111 | /// @p other_value must be OMIT_VALUE, or else dynamic testcase error. | |
112 | OPTIONAL(template_sel other_value); | |
113 | ||
114 | /// Copy constructor. | |
115 | /// @note Copying an unbound object creates another unbound object, | |
116 | /// without causing a dynamic test case immediately. | |
117 | OPTIONAL(const OPTIONAL& other_value); | |
118 | ||
119 | /// Construct from an optional of different type | |
120 | template <typename T_tmp> | |
121 | OPTIONAL(const OPTIONAL<T_tmp>& other_value); | |
122 | ||
123 | /// Construct from an object of different type | |
124 | template <typename T_tmp> | |
125 | OPTIONAL(const T_tmp& other_value) | |
af710487 | 126 | : optional_value(new T_type(other_value)) |
127 | , optional_selection(OPTIONAL_PRESENT) | |
128 | #ifdef TITAN_RUNTIME_2 | |
129 | , param_refs(0) | |
130 | #endif | |
131 | { } | |
970ed795 | 132 | |
af710487 | 133 | ~OPTIONAL() { |
134 | #ifdef TITAN_RUNTIME_2 | |
135 | if (NULL != optional_value) | |
136 | #else | |
137 | if (optional_selection == OPTIONAL_PRESENT) | |
138 | #endif | |
139 | delete optional_value; | |
140 | } | |
970ed795 EL |
141 | |
142 | void clean_up(); | |
143 | ||
144 | /// Set to omit. | |
145 | /// @p other_value must be OMIT_VALUE, or else dynamic testcase error. | |
146 | OPTIONAL& operator=(template_sel other_value); | |
147 | ||
148 | /// Copy assignment | |
149 | OPTIONAL& operator=(const OPTIONAL& other_value); | |
150 | ||
151 | /// Assign from an optional of another type | |
152 | template <typename T_tmp> | |
153 | OPTIONAL& operator=(const OPTIONAL<T_tmp>& other_value); | |
154 | ||
155 | /// Assign the value | |
156 | template <typename T_tmp> | |
157 | OPTIONAL& operator=(const T_tmp& other_value); | |
158 | ||
159 | boolean is_equal(template_sel other_value) const; | |
160 | boolean is_equal(const OPTIONAL& other_value) const; | |
161 | template <typename T_tmp> | |
162 | boolean is_equal(const OPTIONAL<T_tmp>& other_value) const; | |
163 | template <typename T_tmp> | |
164 | boolean is_equal(const T_tmp& other_value) const; | |
165 | ||
166 | inline boolean operator==(template_sel other_value) const | |
167 | { return is_equal(other_value); } | |
168 | inline boolean operator!=(template_sel other_value) const | |
169 | { return !is_equal(other_value); } | |
170 | inline boolean operator==(const OPTIONAL& other_value) const | |
171 | { return is_equal(other_value); } | |
172 | inline boolean operator!=(const OPTIONAL& other_value) const | |
173 | { return !is_equal(other_value); } | |
174 | template <typename T_tmp> | |
175 | inline boolean operator==(const T_tmp& other_value) const | |
176 | { return is_equal(other_value); } | |
177 | template <typename T_tmp> | |
178 | inline boolean operator!=(const T_tmp& other_value) const | |
179 | { return !is_equal(other_value); } | |
180 | #ifdef __SUNPRO_CC | |
181 | /* Note: Without these functions the Sun Workshop Pro C++ compiler reports | |
182 | * overloading ambiguity when comparing an optional charstring field with an | |
183 | * optional universal charstring. */ | |
184 | template <typename T_tmp> | |
185 | inline boolean operator==(const OPTIONAL<T_tmp>& other_value) const | |
186 | { return is_equal(other_value); } | |
187 | template <typename T_tmp> | |
188 | inline boolean operator!=(const OPTIONAL<T_tmp>& other_value) const | |
189 | { return is_equal(other_value); } | |
190 | #endif | |
191 | ||
af710487 | 192 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 193 | boolean is_bound() const; |
af710487 | 194 | #else |
195 | inline boolean is_bound() const { return optional_selection != OPTIONAL_UNBOUND; } | |
196 | #endif | |
970ed795 EL |
197 | boolean is_value() const |
198 | { return optional_selection == OPTIONAL_PRESENT && optional_value->is_value(); } | |
199 | /** Whether the optional value is present. | |
200 | * @return \c true if optional_selection is OPTIONAL_PRESENT, else \c false */ | |
af710487 | 201 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 202 | boolean is_present() const; |
af710487 | 203 | #else |
204 | inline boolean is_present() const { return optional_selection==OPTIONAL_PRESENT; } | |
205 | #endif | |
970ed795 EL |
206 | |
207 | #ifdef TITAN_RUNTIME_2 | |
208 | /** @name override virtual functions of Base_Type | |
209 | * @{ */ | |
210 | ||
211 | /** Return \c true (this \b is an optional field) */ | |
212 | boolean is_optional() const { return TRUE; } | |
213 | ||
214 | /** Access the value for read/write | |
215 | * | |
216 | * @return a pointer to the (modifiable) value | |
217 | * @pre \p optional_selection must be \p OPTIONAL_PRESENT | |
218 | */ | |
219 | Base_Type* get_opt_value(); | |
220 | ||
221 | /** Access the value (read/only) | |
222 | * | |
223 | * @return a pointer to the (const) value | |
224 | * @pre \p optional_selection must be \p OPTIONAL_PRESENT | |
225 | */ | |
226 | const Base_Type* get_opt_value() const; | |
227 | boolean is_seof() const; | |
228 | boolean is_equal(const Base_Type* other_value) const { return is_equal(*(static_cast<const OPTIONAL*>(other_value))); } | |
229 | void set_value(const Base_Type* other_value) { *this = *(static_cast<const OPTIONAL*>(other_value)); } | |
230 | Base_Type* clone() const { return new OPTIONAL(*this); } | |
231 | const TTCN_Typedescriptor_t* get_descriptor() const; | |
232 | /** @} */ | |
233 | #endif | |
234 | ||
235 | /** Whether the value is present. | |
236 | * Note: this is not the TTCN-3 ispresent(), kept for backward compatibility | |
237 | * with the runtime and existing testports which use this version where | |
238 | * unbound errors are caught before causing more trouble | |
239 | * | |
240 | * @return TRUE if the value is present (optional_selection==OPTIONAL_PRESENT) | |
241 | * @return FALSE if the value is not present (optional_selection==OPTIONAL_OMIT) | |
242 | * @pre the value is bound (optional_selection!=OPTIONAL_UNBOUND) | |
243 | */ | |
244 | boolean ispresent() const; | |
245 | ||
af710487 | 246 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 247 | /** @tricky Calculates and returns the actual state of the optional object, |
af710487 | 248 | * not just the optional_selection member. |
249 | * (Only needed in Runtime2, in Runtime1 optional_selection is always up to date.) */ | |
970ed795 | 250 | optional_sel get_selection() const; |
af710487 | 251 | #else |
252 | inline optional_sel get_selection() const { return optional_selection; } | |
253 | #endif | |
970ed795 EL |
254 | |
255 | void log() const; | |
256 | void set_param(Module_Param& param); | |
3abe9331 | 257 | Module_Param* get_param(Module_Param_Name& param_name) const; |
970ed795 EL |
258 | void encode_text(Text_Buf& text_buf) const; |
259 | void decode_text(Text_Buf& text_buf); | |
260 | ||
261 | #ifdef TITAN_RUNTIME_2 | |
262 | virtual int RAW_decode(const TTCN_Typedescriptor_t& td, TTCN_Buffer& buf, int limit, | |
263 | raw_order_t top_bit_ord, boolean no_err=FALSE, int sel_field=-1, boolean first_call=TRUE); | |
264 | #endif | |
265 | ||
af710487 | 266 | int XER_encode(const XERdescriptor_t& p_td, TTCN_Buffer& buf, unsigned int flavor, |
267 | int indent, embed_values_enc_struct_t* emb_val) const; | |
970ed795 EL |
268 | #ifdef TITAN_RUNTIME_2 |
269 | int XER_encode_negtest(const Erroneous_descriptor_t* p_err_descr, | |
af710487 | 270 | const XERdescriptor_t& p_td, TTCN_Buffer& p_buf, unsigned int flavor, |
271 | int indent, embed_values_enc_struct_t* emb_val) const; | |
970ed795 EL |
272 | #endif |
273 | /** Used during XML decoding, in case this object is an AnyElement field in a record. | |
274 | * Determines whether XER_decode() should be called or this field should be omitted. | |
275 | * The field should be omitted if: | |
276 | * - the next element in the encoded XML is the next field in the record or | |
277 | * - there are no more elements until the end of the record's XML element. | |
278 | * | |
279 | * @param reader parses the encoded XML | |
280 | * @param next_field_name name of the next field in the record, or null if this is the last one | |
281 | * @param parent_tag_closed true, if the record's XML tag is closed (is an empty element)*/ | |
282 | bool XER_check_any_elem(XmlReaderWrap& reader, const char* next_field_name, bool parent_tag_closed); | |
af710487 | 283 | int XER_decode(const XERdescriptor_t& p_td, XmlReaderWrap& reader, |
284 | unsigned int flavor, embed_values_dec_struct_t* emb_val); | |
970ed795 EL |
285 | |
286 | char ** collect_ns(const XERdescriptor_t& p_td, size_t& num, bool& def_ns) const; | |
287 | ||
288 | operator T_type&(); | |
289 | operator const T_type&() const; | |
290 | ||
291 | inline T_type& operator()() { return (T_type&)*this; } | |
292 | inline const T_type& operator()() const { return (const T_type&)*this; } | |
293 | ||
294 | ASN_BER_TLV_t* BER_encode_TLV(const TTCN_Typedescriptor_t& p_td, | |
295 | unsigned p_coding) const; | |
296 | #ifdef TITAN_RUNTIME_2 | |
297 | ASN_BER_TLV_t* BER_encode_TLV_negtest(const Erroneous_descriptor_t* p_err_descr, | |
298 | const TTCN_Typedescriptor_t& p_td, unsigned p_coding) const; | |
299 | #endif | |
300 | boolean BER_decode_TLV(const TTCN_Typedescriptor_t& p_td, | |
301 | const ASN_BER_TLV_t& p_tlv, unsigned L_form); | |
302 | boolean BER_decode_isMyMsg(const TTCN_Typedescriptor_t& p_td, | |
303 | const ASN_BER_TLV_t& p_tlv); | |
304 | void BER_decode_opentypes(TTCN_Type_list& p_typelist, unsigned L_form); | |
305 | ||
306 | #ifdef TITAN_RUNTIME_2 | |
307 | int TEXT_encode(const TTCN_Typedescriptor_t&, TTCN_Buffer&) const; | |
308 | int TEXT_encode_negtest(const Erroneous_descriptor_t* p_err_descr, | |
309 | const TTCN_Typedescriptor_t&, TTCN_Buffer&) const; | |
310 | int TEXT_decode(const TTCN_Typedescriptor_t&, TTCN_Buffer&, Limit_Token_List&, | |
311 | boolean no_err=FALSE, boolean first_call=TRUE); | |
3f84031e | 312 | int JSON_encode_negtest(const Erroneous_descriptor_t*, |
313 | const TTCN_Typedescriptor_t&, JSON_Tokenizer&) const; | |
970ed795 EL |
314 | #endif |
315 | ||
316 | /** Encodes accordingly to the JSON encoding rules. | |
317 | * Returns the length of the encoded data. */ | |
318 | int JSON_encode(const TTCN_Typedescriptor_t&, JSON_Tokenizer&) const; | |
319 | ||
320 | /** Decodes accordingly to the JSON encoding rules. | |
321 | * Returns the length of the decoded data. */ | |
322 | int JSON_decode(const TTCN_Typedescriptor_t&, JSON_Tokenizer&, boolean); | |
323 | ||
af710487 | 324 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 325 | /** Called before an element of an optional record of/set of is indexed and passed as an |
af710487 | 326 | * 'inout' or 'out' parameter to a function (only in Runtime2). |
970ed795 EL |
327 | * Sets the optional value to present (this would be done by the indexing operation |
328 | * anyway) and redirects the call to the optional value. */ | |
a38c6d4c | 329 | virtual void add_refd_index(int index); |
970ed795 EL |
330 | |
331 | /** Called after an element of an optional record of/set of is passed as an | |
af710487 | 332 | * 'inout' or 'out' parameter to a function (only in Runtime2). |
970ed795 | 333 | * Redirects the call to the optional value. */ |
a38c6d4c | 334 | virtual void remove_refd_index(int index); |
af710487 | 335 | #endif |
970ed795 EL |
336 | }; |
337 | ||
338 | #if HAVE_GCC(4,6) | |
339 | #pragma GCC diagnostic push | |
340 | #pragma GCC diagnostic ignored "-Wswitch-enum" | |
341 | #endif | |
342 | ||
343 | #ifdef TITAN_RUNTIME_2 | |
344 | ||
345 | template<typename T_type> | |
346 | Base_Type* OPTIONAL<T_type>::get_opt_value() | |
347 | { | |
af710487 | 348 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 349 | if (!is_present()) |
af710487 | 350 | #else |
351 | if (optional_selection!=OPTIONAL_PRESENT) | |
352 | #endif | |
970ed795 EL |
353 | TTCN_error("Internal error: get_opt_value() called on a non-present optional field."); |
354 | return optional_value; | |
355 | } | |
356 | ||
357 | template<typename T_type> | |
358 | const Base_Type* OPTIONAL<T_type>::get_opt_value() const | |
359 | { | |
af710487 | 360 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 361 | if (!is_present()) |
af710487 | 362 | #else |
363 | if (optional_selection!=OPTIONAL_PRESENT) | |
364 | #endif | |
970ed795 EL |
365 | TTCN_error("Internal error: get_opt_value() const called on a non-present optional field."); |
366 | return optional_value; | |
367 | } | |
368 | ||
369 | template<typename T_type> | |
370 | boolean OPTIONAL<T_type>::is_seof() const | |
371 | { | |
af710487 | 372 | return |
373 | #ifdef TITAN_RUNTIME_2 | |
374 | (is_present()) | |
375 | #else | |
376 | (optional_selection==OPTIONAL_PRESENT) | |
377 | #endif | |
378 | ? optional_value->is_seof() : T_type().is_seof(); | |
970ed795 EL |
379 | } |
380 | ||
381 | template<typename T_type> | |
382 | const TTCN_Typedescriptor_t* OPTIONAL<T_type>::get_descriptor() const | |
383 | { | |
af710487 | 384 | return |
385 | #ifdef TITAN_RUNTIME_2 | |
386 | (is_present()) | |
387 | #else | |
388 | (optional_selection==OPTIONAL_PRESENT) | |
389 | #endif | |
390 | ? optional_value->get_descriptor() : T_type().get_descriptor(); | |
970ed795 EL |
391 | } |
392 | ||
393 | #endif | |
394 | ||
395 | template<typename T_type> | |
396 | OPTIONAL<T_type>::OPTIONAL(template_sel other_value) | |
af710487 | 397 | : optional_value(NULL), optional_selection(OPTIONAL_OMIT) |
398 | #ifdef TITAN_RUNTIME_2 | |
399 | , param_refs(0) | |
400 | #endif | |
970ed795 EL |
401 | { |
402 | if (other_value != OMIT_VALUE) | |
403 | TTCN_error("Setting an optional field to an invalid value."); | |
404 | } | |
405 | ||
406 | template<typename T_type> | |
407 | OPTIONAL<T_type>::OPTIONAL(const OPTIONAL& other_value) | |
408 | : Base_Type(other_value) | |
3abe9331 | 409 | #ifdef TITAN_RUNTIME_2 |
410 | , RefdIndexInterface(other_value) | |
411 | #endif | |
970ed795 | 412 | , optional_value(NULL) |
af710487 | 413 | , optional_selection(other_value.optional_selection) |
414 | #ifdef TITAN_RUNTIME_2 | |
970ed795 | 415 | , param_refs(0) |
af710487 | 416 | #endif |
970ed795 EL |
417 | { |
418 | switch (other_value.optional_selection) { | |
419 | case OPTIONAL_PRESENT: | |
420 | optional_value = new T_type(*other_value.optional_value); | |
421 | break; | |
422 | case OPTIONAL_OMIT: | |
423 | break; | |
424 | default: | |
425 | break; | |
426 | } | |
427 | } | |
428 | ||
429 | template<typename T_type> template<typename T_tmp> | |
430 | OPTIONAL<T_type>::OPTIONAL(const OPTIONAL<T_tmp>& other_value) | |
af710487 | 431 | : optional_value(NULL), optional_selection(other_value.get_selection()) |
432 | #ifdef TITAN_RUNTIME_2 | |
433 | , param_refs(0) | |
434 | #endif | |
970ed795 EL |
435 | { |
436 | switch (other_value.get_selection()) { | |
437 | case OPTIONAL_PRESENT: | |
438 | optional_value = new T_type((const T_tmp&)other_value); | |
439 | break; | |
440 | case OPTIONAL_OMIT: | |
441 | break; | |
442 | default: | |
443 | break; | |
444 | } | |
445 | } | |
446 | ||
447 | template<typename T_type> | |
448 | void OPTIONAL<T_type>::clean_up() | |
449 | { | |
af710487 | 450 | #ifdef TITAN_RUNTIME_2 |
970ed795 EL |
451 | if (is_present()) { |
452 | if (param_refs > 0) { | |
453 | optional_value->clean_up(); | |
454 | } | |
455 | else { | |
456 | delete optional_value; | |
457 | optional_value = NULL; | |
458 | } | |
459 | } | |
af710487 | 460 | #else |
461 | if (OPTIONAL_PRESENT == optional_selection) { | |
462 | delete optional_value; | |
463 | } | |
464 | #endif | |
970ed795 EL |
465 | optional_selection = OPTIONAL_UNBOUND; |
466 | } | |
467 | ||
468 | template<typename T_type> | |
469 | OPTIONAL<T_type>& OPTIONAL<T_type>::operator=(template_sel other_value) | |
470 | { | |
471 | if (other_value != OMIT_VALUE) | |
472 | TTCN_error("Internal error: Setting an optional field to an invalid value."); | |
473 | set_to_omit(); | |
474 | return *this; | |
475 | } | |
476 | ||
477 | template<typename T_type> | |
478 | OPTIONAL<T_type>& OPTIONAL<T_type>::operator=(const OPTIONAL& other_value) | |
479 | { | |
480 | switch (other_value.optional_selection) { | |
481 | case OPTIONAL_PRESENT: | |
af710487 | 482 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 483 | if (NULL == optional_value) { |
af710487 | 484 | #else |
485 | if (optional_selection != OPTIONAL_PRESENT) { | |
486 | #endif | |
970ed795 | 487 | optional_value = new T_type(*other_value.optional_value); |
af710487 | 488 | optional_selection = OPTIONAL_PRESENT; |
970ed795 EL |
489 | } else *optional_value = *other_value.optional_value; |
490 | break; | |
491 | case OPTIONAL_OMIT: | |
492 | if (&other_value != this) set_to_omit(); | |
493 | break; | |
494 | default: | |
495 | clean_up(); | |
496 | break; | |
497 | } | |
498 | return *this; | |
499 | } | |
500 | ||
501 | template<typename T_type> template <typename T_tmp> | |
502 | OPTIONAL<T_type>& | |
503 | OPTIONAL<T_type>::operator=(const OPTIONAL<T_tmp>& other_value) | |
504 | { | |
505 | switch (other_value.get_selection()) { | |
506 | case OPTIONAL_PRESENT: | |
af710487 | 507 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 508 | if (NULL == optional_value) { |
af710487 | 509 | #else |
510 | if (optional_selection != OPTIONAL_PRESENT) { | |
511 | #endif | |
970ed795 | 512 | optional_value = new T_type((const T_tmp&)other_value); |
af710487 | 513 | optional_selection = OPTIONAL_PRESENT; |
970ed795 EL |
514 | } else *optional_value = (const T_tmp&)other_value; |
515 | break; | |
516 | case OPTIONAL_OMIT: | |
517 | set_to_omit(); | |
518 | break; | |
519 | default: | |
520 | clean_up(); | |
521 | break; | |
522 | } | |
523 | return *this; | |
524 | } | |
525 | ||
526 | template<typename T_type> template <typename T_tmp> | |
527 | OPTIONAL<T_type>& | |
528 | OPTIONAL<T_type>::operator=(const T_tmp& other_value) | |
529 | { | |
af710487 | 530 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 531 | if (NULL == optional_value) { |
af710487 | 532 | #else |
533 | if (optional_selection != OPTIONAL_PRESENT) { | |
534 | #endif | |
970ed795 | 535 | optional_value = new T_type(other_value); |
af710487 | 536 | optional_selection = OPTIONAL_PRESENT; |
970ed795 EL |
537 | } else *optional_value = other_value; |
538 | return *this; | |
539 | } | |
540 | ||
541 | template<typename T_type> | |
542 | boolean OPTIONAL<T_type>::is_equal(template_sel other_value) const | |
543 | { | |
af710487 | 544 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 545 | if (!is_bound()) { |
af710487 | 546 | #else |
547 | if (optional_selection == OPTIONAL_UNBOUND) { | |
548 | #endif | |
970ed795 EL |
549 | if (other_value == UNINITIALIZED_TEMPLATE) return TRUE; |
550 | TTCN_error("The left operand of comparison is an unbound optional value."); | |
551 | } | |
552 | if (other_value != OMIT_VALUE) TTCN_error("Internal error: The right operand " | |
553 | "of comparison is an invalid value."); | |
af710487 | 554 | return |
555 | #ifdef TITAN_RUNTIME_2 | |
556 | !is_present(); | |
557 | #else | |
558 | optional_selection == OPTIONAL_OMIT; | |
559 | #endif | |
970ed795 EL |
560 | } |
561 | ||
562 | template<typename T_type> | |
563 | boolean OPTIONAL<T_type>::is_equal(const OPTIONAL& other_value) const | |
564 | { | |
af710487 | 565 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 566 | if (!is_bound()) { |
af710487 | 567 | if (!other_value.is_bound()) |
568 | #else | |
569 | if (optional_selection == OPTIONAL_UNBOUND) { | |
570 | if (other_value.optional_selection == OPTIONAL_UNBOUND) | |
571 | #endif | |
572 | return TRUE; | |
970ed795 EL |
573 | TTCN_error("The left operand of " |
574 | "comparison is an unbound optional value."); | |
575 | } | |
af710487 | 576 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 577 | if (!other_value.is_bound()) |
af710487 | 578 | #else |
579 | if (other_value.optional_selection == OPTIONAL_UNBOUND) | |
580 | #endif | |
970ed795 | 581 | TTCN_error("The right operand of comparison is an unbound optional value."); |
af710487 | 582 | #ifdef TITAN_RUNTIME_2 |
970ed795 EL |
583 | boolean present = is_present(); |
584 | if (present != other_value.is_present()) return FALSE; | |
585 | else if (present) | |
af710487 | 586 | #else |
587 | if (optional_selection != other_value.optional_selection) return FALSE; | |
588 | else if (optional_selection == OPTIONAL_PRESENT) | |
589 | #endif | |
970ed795 EL |
590 | return *optional_value == *other_value.optional_value; |
591 | else return TRUE; | |
592 | } | |
593 | ||
594 | template<typename T_type> template <typename T_tmp> | |
595 | boolean OPTIONAL<T_type>::is_equal(const T_tmp& other_value) const | |
596 | { | |
af710487 | 597 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 598 | switch (get_selection()) { |
af710487 | 599 | #else |
600 | switch (optional_selection) { | |
601 | #endif | |
970ed795 EL |
602 | case OPTIONAL_PRESENT: |
603 | return *optional_value == other_value; | |
604 | case OPTIONAL_OMIT: | |
605 | return FALSE; | |
606 | default: | |
607 | TTCN_error("The left operand of comparison is an unbound optional value."); | |
608 | } | |
609 | return FALSE; | |
610 | } | |
611 | ||
612 | template<typename T_type> template <typename T_tmp> | |
613 | boolean OPTIONAL<T_type>::is_equal(const OPTIONAL<T_tmp>& other_value) const | |
614 | { | |
af710487 | 615 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 616 | if (!is_bound()) { |
af710487 | 617 | if (!other_value.is_bound()) |
618 | #else | |
619 | optional_sel other_selection = other_value.get_selection(); | |
620 | if (optional_selection == OPTIONAL_UNBOUND) { | |
621 | if (other_selection == OPTIONAL_UNBOUND) | |
622 | #endif | |
623 | return TRUE; | |
970ed795 EL |
624 | TTCN_error("The left operand of " |
625 | "comparison is an unbound optional value."); | |
626 | } | |
af710487 | 627 | #ifdef TITAN_RUNTIME_2 |
628 | if (!other_value.is_bound()) | |
629 | #else | |
630 | if (other_selection == OPTIONAL_UNBOUND) | |
631 | #endif | |
632 | TTCN_error("The right operand of comparison is an unbound optional value."); | |
633 | #ifdef TITAN_RUNTIME_2 | |
970ed795 EL |
634 | boolean present = is_present(); |
635 | if (present != other_value.is_present()) return FALSE; | |
636 | else if (present) | |
af710487 | 637 | #else |
638 | if (optional_selection != other_selection) return FALSE; | |
639 | else if (optional_selection == OPTIONAL_PRESENT) | |
640 | #endif | |
970ed795 EL |
641 | return *optional_value == (const T_tmp&)other_value; |
642 | else return TRUE; | |
643 | } | |
644 | ||
af710487 | 645 | #ifdef TITAN_RUNTIME_2 |
970ed795 EL |
646 | template<typename T_type> |
647 | boolean OPTIONAL<T_type>::is_bound() const | |
648 | { | |
649 | switch (optional_selection) { | |
650 | case OPTIONAL_PRESENT: | |
651 | case OPTIONAL_OMIT: | |
652 | return TRUE; | |
653 | default: | |
654 | if (NULL != optional_value) { | |
655 | return optional_value->is_bound(); | |
656 | } | |
657 | return FALSE; | |
658 | } | |
659 | } | |
660 | ||
661 | template<typename T_type> | |
662 | boolean OPTIONAL<T_type>::is_present() const | |
663 | { | |
664 | switch (optional_selection) { | |
665 | case OPTIONAL_PRESENT: | |
666 | return TRUE; | |
667 | case OPTIONAL_OMIT: | |
668 | default: | |
669 | if (NULL != optional_value) { | |
670 | return optional_value->is_bound(); | |
671 | } | |
672 | return FALSE; | |
673 | } | |
674 | } | |
af710487 | 675 | #endif |
970ed795 EL |
676 | |
677 | template<typename T_type> | |
678 | boolean OPTIONAL<T_type>::ispresent() const | |
679 | { | |
680 | switch (optional_selection) { | |
681 | case OPTIONAL_PRESENT: | |
682 | return TRUE; | |
683 | case OPTIONAL_OMIT: | |
af710487 | 684 | #ifdef TITAN_RUNTIME_2 |
970ed795 EL |
685 | if (NULL != optional_value) { |
686 | return optional_value->is_bound(); | |
687 | } | |
af710487 | 688 | #endif |
970ed795 EL |
689 | return FALSE; |
690 | default: | |
af710487 | 691 | #ifdef TITAN_RUNTIME_2 |
970ed795 EL |
692 | if (NULL != optional_value && optional_value->is_bound()) { |
693 | return TRUE; | |
694 | } | |
af710487 | 695 | #endif |
970ed795 | 696 | TTCN_error("Using an unbound optional field."); |
970ed795 | 697 | } |
af710487 | 698 | return FALSE; |
970ed795 EL |
699 | } |
700 | ||
af710487 | 701 | #ifdef TITAN_RUNTIME_2 |
970ed795 EL |
702 | template<typename T_type> |
703 | optional_sel OPTIONAL<T_type>::get_selection() const | |
704 | { | |
705 | if (is_present()) { | |
706 | return OPTIONAL_PRESENT; | |
707 | } | |
708 | if (is_bound()) { | |
709 | // not present, but bound => omit | |
710 | return OPTIONAL_OMIT; | |
711 | } | |
712 | return OPTIONAL_UNBOUND; | |
713 | } | |
af710487 | 714 | #endif |
970ed795 EL |
715 | |
716 | template<typename T_type> | |
717 | void OPTIONAL<T_type>::log() const | |
718 | { | |
af710487 | 719 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 720 | switch (get_selection()) { |
af710487 | 721 | #else |
722 | switch (optional_selection) { | |
723 | #endif | |
970ed795 EL |
724 | case OPTIONAL_PRESENT: |
725 | optional_value->log(); | |
726 | break; | |
727 | case OPTIONAL_OMIT: | |
728 | TTCN_Logger::log_event_str("omit"); | |
729 | break; | |
730 | default: | |
731 | TTCN_Logger::log_event_unbound(); | |
732 | break; | |
733 | } | |
734 | } | |
735 | ||
736 | template <typename T_type> | |
737 | void OPTIONAL<T_type>::set_param(Module_Param& param) { | |
738 | if (param.get_type()==Module_Param::MP_Omit) { | |
739 | if (param.get_ifpresent()) param.error("An optional field of a record value cannot have an 'ifpresent' attribute"); | |
740 | if (param.get_length_restriction()!=NULL) param.error("An optional field of a record value cannot have a length restriction"); | |
741 | set_to_omit(); | |
742 | return; | |
743 | } | |
744 | set_to_present(); | |
745 | optional_value->set_param(param); | |
746 | } | |
747 | ||
3abe9331 | 748 | template <typename T_type> |
749 | Module_Param* OPTIONAL<T_type>::get_param(Module_Param_Name& param_name) const | |
750 | { | |
751 | #ifdef TITAN_RUNTIME_2 | |
752 | switch (get_selection()) { | |
753 | #else | |
754 | switch (optional_selection) { | |
755 | #endif | |
756 | case OPTIONAL_PRESENT: | |
757 | return optional_value->get_param(param_name); | |
758 | case OPTIONAL_OMIT: | |
759 | return new Module_Param_Omit(); | |
760 | default: | |
761 | return new Module_Param_Unbound(); | |
762 | } | |
763 | } | |
764 | ||
970ed795 EL |
765 | template<typename T_type> |
766 | void OPTIONAL<T_type>::encode_text(Text_Buf& text_buf) const | |
767 | { | |
af710487 | 768 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 769 | switch (get_selection()) { |
af710487 | 770 | #else |
771 | switch (optional_selection) { | |
772 | #endif | |
970ed795 EL |
773 | case OPTIONAL_OMIT: |
774 | text_buf.push_int((RInt)FALSE); | |
775 | break; | |
776 | case OPTIONAL_PRESENT: | |
777 | text_buf.push_int((RInt)TRUE); | |
778 | optional_value->encode_text(text_buf); | |
779 | break; | |
780 | default: | |
781 | TTCN_error("Text encoder: Encoding an unbound optional value."); | |
782 | } | |
783 | } | |
784 | ||
785 | template<typename T_type> | |
786 | void OPTIONAL<T_type>::decode_text(Text_Buf& text_buf) | |
787 | { | |
788 | if (text_buf.pull_int().get_val()) { | |
789 | set_to_present(); | |
790 | optional_value->decode_text(text_buf); | |
791 | } else set_to_omit(); | |
792 | } | |
793 | ||
794 | template<typename T_type> | |
795 | int OPTIONAL<T_type>::JSON_encode(const TTCN_Typedescriptor_t& p_td, JSON_Tokenizer& p_tok) const | |
796 | { | |
af710487 | 797 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 798 | switch(get_selection()) { |
af710487 | 799 | #else |
800 | switch(optional_selection) { | |
801 | #endif | |
970ed795 EL |
802 | case OPTIONAL_PRESENT: |
803 | return optional_value->JSON_encode(p_td, p_tok); | |
804 | case OPTIONAL_OMIT: | |
805 | return p_tok.put_next_token(JSON_TOKEN_LITERAL_NULL, NULL); | |
806 | default: | |
807 | TTCN_EncDec_ErrorContext::error(TTCN_EncDec::ET_UNBOUND, | |
808 | "Encoding an unbound optional value."); | |
809 | return -1; | |
810 | } | |
811 | } | |
812 | ||
3f84031e | 813 | #ifdef TITAN_RUNTIME_2 |
814 | template<typename T_type> | |
815 | int OPTIONAL<T_type>::JSON_encode_negtest(const Erroneous_descriptor_t* p_err_descr, | |
816 | const TTCN_Typedescriptor_t& p_td, | |
817 | JSON_Tokenizer& p_tok) const | |
818 | { | |
819 | switch (get_selection()) { | |
820 | case OPTIONAL_PRESENT: | |
821 | return optional_value->JSON_encode_negtest(p_err_descr, p_td, p_tok); | |
822 | case OPTIONAL_OMIT: | |
823 | return p_tok.put_next_token(JSON_TOKEN_LITERAL_NULL, NULL); | |
824 | default: | |
825 | TTCN_EncDec_ErrorContext::error(TTCN_EncDec::ET_UNBOUND, | |
826 | "Encoding an unbound optional value."); | |
827 | return -1; | |
828 | } | |
829 | } | |
830 | #endif | |
831 | ||
970ed795 EL |
832 | template<typename T_type> |
833 | int OPTIONAL<T_type>::JSON_decode(const TTCN_Typedescriptor_t& p_td, JSON_Tokenizer& p_tok, boolean p_silent) | |
834 | { | |
af710487 | 835 | // try the optional value first |
836 | set_to_present(); | |
970ed795 | 837 | size_t buf_pos = p_tok.get_buf_pos(); |
af710487 | 838 | int dec_len = optional_value->JSON_decode(p_td, p_tok, p_silent); |
839 | if (JSON_ERROR_FATAL == dec_len) { | |
840 | if (p_silent) { | |
841 | clean_up(); | |
842 | } else { | |
843 | set_to_omit(); | |
844 | } | |
970ed795 | 845 | } |
af710487 | 846 | else if (JSON_ERROR_INVALID_TOKEN == dec_len) { |
847 | // invalid token, rewind the buffer and check if it's a "null" (= omit) | |
848 | // this needs to be checked after the optional value, because it might also be | |
849 | // able to decode a "null" value | |
970ed795 | 850 | p_tok.set_buf_pos(buf_pos); |
af710487 | 851 | json_token_t token = JSON_TOKEN_NONE; |
852 | dec_len = p_tok.get_next_token(&token, NULL, NULL); | |
853 | if (JSON_TOKEN_LITERAL_NULL == token) { | |
854 | set_to_omit(); | |
855 | } | |
856 | else { | |
857 | // cannot get JSON_TOKEN_ERROR here, that was already checked by the optional value | |
858 | dec_len = JSON_ERROR_INVALID_TOKEN; | |
970ed795 | 859 | } |
970ed795 EL |
860 | } |
861 | return dec_len; | |
862 | } | |
863 | ||
af710487 | 864 | #ifdef TITAN_RUNTIME_2 |
970ed795 EL |
865 | template<typename T_type> |
866 | void OPTIONAL<T_type>::add_refd_index(int index) | |
867 | { | |
868 | ++param_refs; | |
869 | set_to_present(); | |
a38c6d4c | 870 | RefdIndexInterface* refd_opt_val = dynamic_cast<RefdIndexInterface*>(optional_value); |
871 | if (0 != refd_opt_val) { | |
872 | refd_opt_val->add_refd_index(index); | |
873 | } | |
970ed795 EL |
874 | } |
875 | ||
876 | template<typename T_type> | |
877 | void OPTIONAL<T_type>::remove_refd_index(int index) | |
878 | { | |
879 | --param_refs; | |
a38c6d4c | 880 | RefdIndexInterface* refd_opt_val = dynamic_cast<RefdIndexInterface*>(optional_value); |
881 | if (0 != refd_opt_val) { | |
882 | refd_opt_val->remove_refd_index(index); | |
883 | } | |
970ed795 | 884 | } |
af710487 | 885 | #endif |
509718e0 | 886 | |
970ed795 EL |
887 | template<typename T_type> |
888 | OPTIONAL<T_type>::operator T_type&() | |
889 | { | |
890 | set_to_present(); | |
891 | return *optional_value; | |
892 | } | |
893 | ||
894 | template<typename T_type> | |
895 | OPTIONAL<T_type>::operator const T_type&() const | |
896 | { | |
af710487 | 897 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 898 | if (!is_present()) |
af710487 | 899 | #else |
900 | if (optional_selection != OPTIONAL_PRESENT) | |
901 | #endif | |
970ed795 EL |
902 | TTCN_error("Using the value of an optional field containing omit."); |
903 | return *optional_value; | |
904 | } | |
905 | ||
906 | template<typename T_type> | |
907 | ASN_BER_TLV_t* | |
908 | OPTIONAL<T_type>::BER_encode_TLV(const TTCN_Typedescriptor_t& p_td, | |
909 | unsigned p_coding) const | |
910 | { | |
911 | BER_chk_descr(p_td); | |
af710487 | 912 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 913 | switch (get_selection()) { |
af710487 | 914 | #else |
915 | switch (optional_selection) { | |
916 | #endif | |
970ed795 EL |
917 | case OPTIONAL_PRESENT: |
918 | return optional_value->BER_encode_TLV(p_td, p_coding); | |
919 | case OPTIONAL_OMIT: | |
920 | return ASN_BER_TLV_t::construct(); | |
921 | default: | |
922 | return ASN_BER_V2TLV(BER_encode_chk_bound(FALSE), p_td, p_coding); | |
923 | } | |
924 | } | |
925 | ||
926 | #ifdef TITAN_RUNTIME_2 | |
927 | template<typename T_type> | |
928 | ASN_BER_TLV_t* | |
929 | OPTIONAL<T_type>::BER_encode_TLV_negtest(const Erroneous_descriptor_t* p_err_descr, | |
930 | const TTCN_Typedescriptor_t& p_td, unsigned p_coding) const | |
931 | { | |
932 | BER_chk_descr(p_td); | |
af710487 | 933 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 934 | switch (get_selection()) { |
af710487 | 935 | #else |
936 | switch (optional_selection) { | |
937 | #endif | |
970ed795 EL |
938 | case OPTIONAL_PRESENT: |
939 | return optional_value->BER_encode_TLV_negtest(p_err_descr, p_td, p_coding); | |
940 | case OPTIONAL_OMIT: | |
941 | return ASN_BER_TLV_t::construct(); | |
942 | default: | |
943 | return ASN_BER_V2TLV(BER_encode_chk_bound(FALSE), p_td, p_coding); | |
944 | } | |
945 | } | |
946 | ||
947 | template<typename T_type> | |
948 | int OPTIONAL<T_type>::RAW_decode(const TTCN_Typedescriptor_t& p_td, | |
949 | TTCN_Buffer&, int /* limit */, raw_order_t /* top_bit_ord */, | |
950 | boolean /* no_error */, int /* sel_field */, boolean /* first_call */ ) | |
951 | { | |
952 | TTCN_error("RAW decoding requested for optional type '%s'" | |
953 | " which has no RAW decoding method.",p_td.name); | |
954 | return 0; | |
955 | } | |
956 | #endif | |
957 | ||
958 | template<typename T_type> | |
959 | int | |
af710487 | 960 | OPTIONAL<T_type>::XER_encode(const XERdescriptor_t& p_td, TTCN_Buffer& buf, unsigned int flavor, int indent, embed_values_enc_struct_t* emb_val) const |
970ed795 | 961 | { |
af710487 | 962 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 963 | switch (get_selection()) { |
af710487 | 964 | #else |
965 | switch (optional_selection) { | |
966 | #endif | |
970ed795 | 967 | case OPTIONAL_PRESENT: |
af710487 | 968 | return optional_value->XER_encode(p_td, buf, flavor, indent, emb_val); |
970ed795 EL |
969 | case OPTIONAL_OMIT: |
970 | return 0; // nothing to do ! | |
971 | default: | |
972 | TTCN_EncDec_ErrorContext::error( | |
973 | TTCN_EncDec::ET_UNBOUND, "Encoding an unbound optional value."); | |
974 | return 0; | |
975 | } | |
976 | } | |
977 | ||
978 | #ifdef TITAN_RUNTIME_2 | |
979 | template<typename T_type> | |
980 | int | |
981 | OPTIONAL<T_type>::XER_encode_negtest(const Erroneous_descriptor_t* p_err_descr, | |
af710487 | 982 | const XERdescriptor_t& p_td, TTCN_Buffer& buf, unsigned int flavor, int indent, |
983 | embed_values_enc_struct_t* emb_val) const | |
970ed795 EL |
984 | { |
985 | switch (get_selection()) { | |
986 | case OPTIONAL_PRESENT: | |
af710487 | 987 | return optional_value->XER_encode_negtest(p_err_descr, p_td, buf, flavor, indent, emb_val); |
970ed795 EL |
988 | case OPTIONAL_OMIT: |
989 | return 0; // nothing to do ! | |
990 | default: | |
991 | TTCN_EncDec_ErrorContext::error( | |
992 | TTCN_EncDec::ET_UNBOUND, "Encoding an unbound optional value."); | |
993 | return 0; | |
994 | } | |
995 | } | |
996 | #endif | |
997 | ||
998 | ||
999 | template<typename T_type> | |
1000 | bool | |
1001 | OPTIONAL<T_type>::XER_check_any_elem(XmlReaderWrap& reader, const char* next_field_name, bool parent_tag_closed) | |
1002 | { | |
1003 | // If the record has no elements, then it can't have an AnyElement | |
1004 | if (parent_tag_closed) { | |
1005 | set_to_omit(); | |
1006 | return false; | |
1007 | } | |
1008 | ||
1009 | while (reader.Ok()) { | |
1010 | // Leaving the record before finding an element -> no AnyElement | |
1011 | if (XML_READER_TYPE_END_ELEMENT == reader.NodeType()) { | |
1012 | set_to_omit(); | |
1013 | return false; | |
1014 | } | |
1015 | if (XML_READER_TYPE_ELEMENT == reader.NodeType()) { | |
1016 | // The first element found is either the next field's element or the AnyElement | |
1017 | if (NULL != next_field_name && | |
1018 | 0 == strcmp((const char*)reader.LocalName(), next_field_name)) { | |
1019 | set_to_omit(); | |
1020 | return false; | |
1021 | } | |
1022 | break; | |
1023 | } | |
1024 | reader.Read(); | |
1025 | } | |
1026 | ||
1027 | return true; | |
1028 | } | |
1029 | ||
1030 | template<typename T_type> | |
1031 | int | |
af710487 | 1032 | OPTIONAL<T_type>::XER_decode(const XERdescriptor_t& p_td, XmlReaderWrap& reader, |
1033 | unsigned int flavor, embed_values_dec_struct_t* emb_val) | |
970ed795 EL |
1034 | { |
1035 | int exer = is_exer(flavor); | |
1036 | for (int success = reader.Ok(); success==1; success=reader.Read()) { | |
1037 | int type = reader.NodeType(); | |
1038 | const char * name; // name of the optional field | |
1039 | const char * ns_uri; | |
1040 | ||
1041 | if (exer && (p_td.xer_bits & XER_ATTRIBUTE)) { | |
1042 | if (XML_READER_TYPE_ATTRIBUTE == type) { | |
1043 | for (; success==1; success = reader.MoveToNextAttribute()) { | |
1044 | if (!reader.IsNamespaceDecl()) break; | |
1045 | } | |
1046 | ||
1047 | name = (const char*)reader.LocalName(); | |
1048 | if (!check_name(name, p_td, exer)) { // it's not us, bail | |
1049 | break; | |
1050 | } | |
1051 | // we already checked for exer==1 | |
1052 | if (!check_namespace((const char*)reader.NamespaceUri(), p_td)) break; | |
1053 | ||
a38c6d4c | 1054 | // set to omit if the attribute is empty |
1055 | const char * value = (const char *)reader.Value(); | |
1056 | if (strlen(value) == 0) { | |
1057 | break; | |
1058 | } | |
1059 | ||
970ed795 | 1060 | set_to_present(); |
af710487 | 1061 | optional_value->XER_decode(p_td, reader, flavor, emb_val); |
970ed795 EL |
1062 | goto finished; |
1063 | } | |
1064 | else break; | |
1065 | } | |
1066 | else { // not attribute | |
1067 | if (XML_READER_TYPE_ELEMENT == type) { // we are at an element | |
1068 | name = (const char*)reader.LocalName(); | |
1069 | ns_uri = (const char*)reader.NamespaceUri(); | |
1070 | if ((p_td.xer_bits & ANY_ELEMENT) || (exer && (flavor & USE_NIL)) | |
1071 | || ( (p_td.xer_bits & UNTAGGED) && !reader.IsEmptyElement()) | |
1072 | // If the optional field (a string) has anyElement, accept the element | |
1073 | // regardless of its name. Else the name (and namespace) must match. | |
1074 | || T_type::can_start(name, ns_uri, p_td, flavor)) { // it is us | |
1075 | found_it: | |
1076 | set_to_present(); | |
1077 | //success = reader.Read(); // move to next thing TODO should it loop till an element ? | |
af710487 | 1078 | optional_value->XER_decode(p_td, reader, flavor, emb_val); |
3abe9331 | 1079 | if (!optional_value->is_bound()) { |
1080 | set_to_omit(); | |
1081 | } | |
970ed795 EL |
1082 | } |
1083 | else break; // it's not us, bail | |
1084 | ||
1085 | goto finished; | |
1086 | } | |
1087 | else if (XML_READER_TYPE_TEXT == type && (flavor & USE_NIL)) { | |
1088 | goto found_it; | |
1089 | } | |
1090 | else if (XML_READER_TYPE_END_ELEMENT == type) { | |
1091 | break; | |
1092 | } | |
1093 | // else circle around | |
1094 | } // if attribute | |
1095 | } // next | |
1096 | set_to_omit(); | |
1097 | return 0; | |
1098 | finished: | |
1099 | return 1; | |
1100 | } | |
1101 | ||
1102 | template<typename T_type> | |
1103 | char ** OPTIONAL<T_type>::collect_ns(const XERdescriptor_t& p_td, size_t& num, bool& def_ns) const { | |
af710487 | 1104 | #ifdef TITAN_RUNTIME_2 |
970ed795 | 1105 | switch (get_selection()) { |
af710487 | 1106 | #else |
1107 | switch (optional_selection) { | |
1108 | #endif | |
970ed795 EL |
1109 | case OPTIONAL_PRESENT: |
1110 | return optional_value->collect_ns(p_td, num, def_ns); | |
1111 | case OPTIONAL_OMIT: | |
1112 | def_ns = false; | |
1113 | num = 0; | |
1114 | return 0; | |
1115 | default: | |
1116 | TTCN_EncDec_ErrorContext::error( | |
1117 | TTCN_EncDec::ET_UNBOUND, "Encoding an unbound value."); | |
1118 | return 0; | |
1119 | } | |
1120 | } | |
1121 | ||
1122 | template<typename T_type> | |
1123 | boolean OPTIONAL<T_type>::BER_decode_TLV(const TTCN_Typedescriptor_t& p_td, | |
1124 | const ASN_BER_TLV_t& p_tlv, | |
1125 | unsigned L_form) | |
1126 | { | |
1127 | BER_chk_descr(p_td); | |
1128 | if (BER_decode_isMyMsg(p_td, p_tlv)) { | |
1129 | return optional_value->BER_decode_TLV(p_td, p_tlv, L_form); | |
1130 | } else { | |
1131 | set_to_omit(); | |
1132 | return TRUE; | |
1133 | } | |
1134 | } | |
1135 | ||
1136 | template<typename T_type> | |
1137 | boolean OPTIONAL<T_type>::BER_decode_isMyMsg(const TTCN_Typedescriptor_t& p_td, | |
1138 | const ASN_BER_TLV_t& p_tlv) | |
1139 | { | |
1140 | set_to_present(); | |
1141 | return optional_value->BER_decode_isMyMsg(p_td, p_tlv); | |
1142 | } | |
1143 | ||
1144 | template<typename T_type> | |
1145 | void OPTIONAL<T_type>::BER_decode_opentypes(TTCN_Type_list& p_typelist, | |
1146 | unsigned L_form) | |
1147 | { | |
af710487 | 1148 | #ifdef TITAN_RUNTIME_2 |
970ed795 EL |
1149 | if (is_present()) { |
1150 | optional_selection = OPTIONAL_PRESENT; | |
af710487 | 1151 | #else |
1152 | if (optional_selection==OPTIONAL_PRESENT) { | |
1153 | #endif | |
970ed795 EL |
1154 | optional_value->BER_decode_opentypes(p_typelist, L_form); |
1155 | } | |
1156 | } | |
1157 | ||
1158 | #ifdef TITAN_RUNTIME_2 | |
1159 | ||
1160 | template<typename T_type> | |
1161 | int OPTIONAL<T_type>::TEXT_encode(const TTCN_Typedescriptor_t& p_td, | |
1162 | TTCN_Buffer& buff) const | |
1163 | { | |
af710487 | 1164 | if (is_present()) |
970ed795 EL |
1165 | return optional_value->TEXT_encode(p_td, buff); |
1166 | TTCN_error("Internal error: TEXT encoding an unbound/omit optional field."); | |
1167 | return 0; | |
1168 | } | |
1169 | ||
1170 | template<typename T_type> | |
1171 | int OPTIONAL<T_type>::TEXT_encode_negtest(const Erroneous_descriptor_t* p_err_descr, | |
1172 | const TTCN_Typedescriptor_t& p_td, TTCN_Buffer& buff) const | |
1173 | { | |
af710487 | 1174 | if (is_present()) |
970ed795 EL |
1175 | return optional_value->TEXT_encode_negtest(p_err_descr, p_td, buff); |
1176 | TTCN_error("Internal error: TEXT encoding an unbound/omit optional field."); | |
1177 | return 0; | |
1178 | } | |
1179 | ||
1180 | template<typename T_type> | |
1181 | int OPTIONAL<T_type>::TEXT_decode(const TTCN_Typedescriptor_t& p_td, | |
1182 | TTCN_Buffer& buff, Limit_Token_List& limit, boolean no_err, boolean first_call) | |
1183 | { | |
1184 | set_to_present(); | |
1185 | return optional_value->TEXT_decode(p_td, buff, limit, no_err, first_call); | |
1186 | } | |
1187 | ||
1188 | #endif | |
1189 | ||
1190 | #if defined(__GNUC__) && __GNUC__ >= 3 | |
1191 | /** Note: These functions allow most efficient operation by passing the left | |
1192 | * operand OMIT_VALUE as value instead of constant reference. | |
1193 | * However, with GCC 2.95.x the functions cause overloading ambiguities. */ | |
1194 | template<typename T_type> | |
1195 | inline boolean operator==(template_sel left_value, | |
1196 | const OPTIONAL<T_type>& right_value) | |
1197 | { return right_value.is_equal(left_value); } | |
1198 | ||
1199 | template<typename T_type> | |
1200 | inline boolean operator!=(template_sel left_value, | |
1201 | const OPTIONAL<T_type>& right_value) | |
1202 | { return !right_value.is_equal(left_value); } | |
1203 | #endif | |
1204 | ||
1205 | template<typename T_left, typename T_right> | |
1206 | inline boolean operator==(const T_left& left_value, | |
1207 | const OPTIONAL<T_right>& right_value) | |
1208 | { return right_value.is_equal(left_value); } | |
1209 | ||
1210 | template<typename T_left, typename T_right> | |
1211 | inline boolean operator!=(const T_left& left_value, | |
1212 | const OPTIONAL<T_right>& right_value) | |
1213 | { return !right_value.is_equal(left_value); } | |
1214 | ||
1215 | #endif | |
1216 | ||
1217 | #if HAVE_GCC(4,6) | |
1218 | #pragma GCC diagnostic pop | |
1219 | #endif |