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improve field name unserialization
[awesomized/ext-ion] / ion_private.h
1 /*
2 +--------------------------------------------------------------------+
3 | PECL :: ion |
4 +--------------------------------------------------------------------+
5 | Redistribution and use in source and binary forms, with or without |
6 | modification, are permitted provided that the conditions mentioned |
7 | in the accompanying LICENSE file are met. |
8 +--------------------------------------------------------------------+
9 | Copyright (c) 2021, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
11 */
12
13 #include "php.h"
14 #include "ext/date/php_date.h"
15
16 #if PHP_DEBUG
17 # define LOCAL static
18 #else
19 # define LOCAL static inline
20 #endif
21
22 #define DECNUMDIGITS 34 /* DECQUAD_Pmax */
23 #include "ionc/ion.h"
24
25 #define PHP_ION_SYMBOL_TABLE_VERSION 1
26 #define PHP_ION_SYMBOL(c, s) { \
27 { \
28 0, \
29 { sizeof(s)-1, (BYTE *) s }, \
30 { { 0, NULL }, 0 }, \
31 0 \
32 }, \
33 { sizeof(c)-1, (BYTE *) c } \
34 },
35
36 typedef struct php_ion_global_symbol {
37 ION_SYMBOL s;
38 ION_STRING e;
39 } php_ion_global_symbol;
40
41 static php_ion_global_symbol g_sym_tab_php_sym[] = {
42 #define PHP_ION_SYMBOL_PHP (g_sym_tab_php_sym[0]).s
43 PHP_ION_SYMBOL("PHP", "PHP")
44 #define PHP_ION_SYMBOL_REFERENCE (g_sym_tab_php_sym[1]).s
45 PHP_ION_SYMBOL("Reference", "R")
46 #define PHP_ION_SYMBOL_BACKREF (g_sym_tab_php_sym[2]).s
47 PHP_ION_SYMBOL("Backref", "r")
48 #define PHP_ION_SYMBOL_PROPERTY (g_sym_tab_php_sym[3]).s
49 PHP_ION_SYMBOL("Property", "p")
50 #define PHP_ION_SYMBOL_CLASS_OBJECT (g_sym_tab_php_sym[4]).s
51 PHP_ION_SYMBOL("ClassObject", "c")
52 #define PHP_ION_SYMBOL_CUSTOM_OBJECT (g_sym_tab_php_sym[5]).s
53 PHP_ION_SYMBOL("CustomObject", "C")
54 #define PHP_ION_SYMBOL_OBJECT (g_sym_tab_php_sym[6]).s
55 PHP_ION_SYMBOL("Object", "o")
56 #define PHP_ION_SYMBOL_MAGIC_OBJECT (g_sym_tab_php_sym[7]).s
57 PHP_ION_SYMBOL("MagicObject", "O")
58 #define PHP_ION_SYMBOL_SERIALIZEABLE (g_sym_tab_php_sym[8]).s
59 PHP_ION_SYMBOL("Serializable", "S")
60 #define PHP_ION_SYMBOL_ENUM (g_sym_tab_php_sym[9]).s
61 PHP_ION_SYMBOL("Enum", "E")
62 {{0}, {0}}
63 };
64 #undef PHP_ION_SYMBOL
65
66 static ION_SYMBOL_TABLE *g_sym_tab_php;
67
68 /* [SID => STRING, STRING => SID] */
69 static HashTable g_sym_hash;
70 /* [enum_case_name => SID] */
71 static HashTable g_sym_map;
72
73 #define ION_SYS_SYMBOL_SYMBOL_TABLE \
74 ION_SYS_SYMBOL_ION_SYMBOL_TABLE
75 #define g_sym_add(enum_name, c_name) do { \
76 g_sym_hash_add(ION_SYS_SID_ ## c_name, ION_SYS_SYMBOL_ ## c_name, ION_SYS_STRLEN_ ## c_name); \
77 g_sym_map_add(ION_SYS_SID_ ## c_name, enum_name, sizeof(enum_name)-1); \
78 } while (0)
79
80 LOCAL void g_sym_hash_add(int sid, const char *str, size_t len)
81 {
82 zval zl, zs;
83 ZVAL_LONG(&zl, sid);
84 ZVAL_STR(&zs, zend_string_init_interned(str, len ,1));
85 zend_hash_add(&g_sym_hash, Z_STR(zs), &zl);
86 zend_hash_index_add(&g_sym_hash, sid, &zs);
87 }
88
89 LOCAL void g_sym_map_add(int sid, const char *str, size_t len)
90 {
91 zval zv;
92 ZVAL_LONG(&zv, sid);
93 zend_hash_str_add(&g_sym_map, str, len, &zv);
94 }
95
96 LOCAL int g_sym_init(void)
97 {
98 zend_hash_init(&g_sym_hash, 0, NULL, NULL, 1);
99 zend_hash_init(&g_sym_map, 0, NULL, NULL, 1);
100
101 g_sym_hash_add(0, ZEND_STRL(""));
102 g_sym_map_add(0, ZEND_STRL(""));
103 g_sym_add("Ion", ION);
104 g_sym_add("Ivm_1_0", IVM);
105 g_sym_add("IonSymbolTable", SYMBOL_TABLE);
106 g_sym_add("Name", NAME);
107 g_sym_add("Version", VERSION);
108 g_sym_add("Imports", IMPORTS);
109 g_sym_add("Symbols", SYMBOLS);
110 g_sym_add("MaxId", MAX_ID);
111 g_sym_add("SharedSymbolTable", SHARED_SYMBOL_TABLE);
112
113 int sys_max_id = ION_SYS_SID_SHARED_SYMBOL_TABLE;
114
115 if (IERR_OK != ion_symbol_table_open_with_type(&g_sym_tab_php, NULL, ist_SHARED)) {
116 return FAILURE;
117 }
118 php_ion_global_symbol *ptr = g_sym_tab_php_sym;
119 ion_symbol_table_set_version(g_sym_tab_php, PHP_ION_SYMBOL_TABLE_VERSION);
120 ion_symbol_table_set_name(g_sym_tab_php, &ptr->s.value);
121 while (ptr->e.value) {
122 ion_symbol_table_add_symbol(g_sym_tab_php, &ptr->s.value, &ptr->s.sid);
123 g_sym_hash_add(sys_max_id + ptr->s.sid, (const char *) ptr->s.value.value, ptr->s.value.length);
124 g_sym_map_add(sys_max_id + ptr->s.sid, (const char *) ptr->e.value, ptr->e.length);
125 ++ptr;
126 }
127 ion_symbol_table_lock(g_sym_tab_php);
128 return SUCCESS;
129 }
130
131 static struct {
132 zend_string *Year, *Month, *Day, *Min, *Sec, *Frac, *MinTZ, *SecTZ, *FracTZ;
133 } g_intern_str;
134
135 static void g_intern_str_init()
136 {
137 #define NEW_INTERN_STR(s) \
138 g_intern_str.s = zend_string_init_interned(#s, sizeof(#s)-1, 1)
139 NEW_INTERN_STR(Year);
140 NEW_INTERN_STR(Month);
141 NEW_INTERN_STR(Day);
142 NEW_INTERN_STR(Min);
143 NEW_INTERN_STR(Sec);
144 NEW_INTERN_STR(Frac);
145 NEW_INTERN_STR(MinTZ);
146 NEW_INTERN_STR(SecTZ);
147 NEW_INTERN_STR(FracTZ);
148 #undef NEW_INTERN_STR
149 }
150
151 typedef struct php_ion_serializer {
152 ION_WRITER *writer;
153 ION_WRITER_OPTIONS *options;
154 smart_str *buffer;
155
156 zend_string *call_custom;
157 zend_bool call_magic;
158 zend_bool multi_seq;
159
160 uint32_t level;
161 HashTable *ids;
162 HashTable *tmp;
163 } php_ion_serializer;
164
165 typedef struct php_ion_annotations {
166 uint8_t shared_symtab:1;
167 uint8_t backref:1;
168 uint8_t makeref:1;
169 uint8_t object_prop:1;
170 uint8_t object_type;
171 zend_string *object_class;
172 zend_string *property_class;
173 } php_ion_annotations;
174
175 typedef struct php_ion_unserializer {
176 ION_READER *reader;
177 ION_READER_OPTIONS *options;
178 ION_TYPE type;
179
180 zend_string *call_custom;
181 zend_bool call_magic;
182 zend_bool multi_seq;
183
184 uint32_t level;
185 HashTable *ids;
186 HashTable *tmp;
187 HashTable *addref;
188
189 php_ion_annotations annotations;
190 } php_ion_unserializer;
191
192 ZEND_BEGIN_MODULE_GLOBALS(ion)
193
194 struct {
195 decContext ctx;
196 ION_DECIMAL zend_max;
197 ION_DECIMAL zend_min;
198 } decimal;
199
200 struct {
201 HashTable cache;
202 } symbol;
203
204 php_ion_serializer serializer;
205 php_ion_unserializer unserializer;
206
207 struct {
208 HashTable serializer[2];
209 HashTable unserializer[3];
210 } _ht;
211
212 ZEND_END_MODULE_GLOBALS(ion);
213
214 #ifdef ZTS
215 # define php_ion_globals (*((zend_ion_globals *) (*((void ***) tsrm_get_ls_cache()))[TSRM_UNSHUFFLE_RSRC_ID(ion_globals_id)]))
216 #else
217 # define php_ion_globals ion_globals
218 #endif
219
220 ZEND_DECLARE_MODULE_GLOBALS(ion);
221
222 static zend_class_entry
223 *ce_Catalog,
224 *ce_Decimal,
225 *ce_Decimal_Context,
226 *ce_Decimal_Context_Rounding,
227 *ce_LOB,
228 *ce_Reader,
229 *ce_Reader_Options,
230 *ce_Reader_Reader,
231 *ce_Reader_Buffer,
232 *ce_Reader_Stream,
233 *ce_Reader_Buffer_Reader,
234 *ce_Reader_Stream_Reader,
235 *ce_Serializer,
236 *ce_Serializer_PHP,
237 *ce_Symbol,
238 *ce_Symbol_ImportLocation,
239 *ce_Symbol_Enum,
240 *ce_Symbol_Table,
241 *ce_Symbol_Table_Local,
242 *ce_Symbol_Table_PHP,
243 *ce_Symbol_Table_Shared,
244 *ce_Symbol_Table_System,
245 *ce_Timestamp,
246 *ce_Timestamp_Format,
247 *ce_Timestamp_Precision,
248 *ce_Type,
249 *ce_Unserializer,
250 *ce_Unserializer_PHP,
251 *ce_Writer,
252 *ce_Writer_Options,
253 *ce_Writer_Buffer,
254 *ce_Writer_Buffer_Writer,
255 *ce_Writer_Stream,
256 *ce_Writer_Stream_Writer,
257 *ce_Writer_Writer
258 ;
259
260 LOCAL void php_ion_globals_symbols_init(void)
261 {
262 zend_hash_init(&php_ion_globals.symbol.cache, 0, NULL, ZVAL_PTR_DTOR, 0);
263 }
264
265 LOCAL void php_ion_globals_symbols_dtor(void)
266 {
267 zend_hash_destroy(&php_ion_globals.symbol.cache);
268 }
269
270 LOCAL void php_ion_globals_serializer_init(void)
271 {
272 php_ion_serializer *s = &php_ion_globals.serializer;
273 HashTable *h = php_ion_globals._ht.serializer;
274
275 zend_hash_init(s->tmp = &h[0], 0, NULL, ZVAL_PTR_DTOR, 0);
276 zend_hash_init(s->ids = &h[1], 0, NULL, NULL, 0);
277 }
278
279 LOCAL uint32_t php_ion_globals_serializer_step(void)
280 {
281 php_ion_serializer *s = &php_ion_globals.serializer;
282 uint32_t level;
283
284 if (!(level = s->level++)) {
285 zend_hash_clean(s->ids);
286 zend_hash_clean(s->tmp);
287 }
288 return level;
289 }
290
291 LOCAL uint32_t php_ion_globals_serializer_exit(void)
292 {
293 php_ion_serializer *s = &php_ion_globals.serializer;
294
295 ZEND_ASSERT(s->level);
296 if (!--s->level) {
297 zend_hash_clean(s->ids);
298 zend_hash_clean(s->tmp);
299 }
300 return s->level;
301 }
302
303 LOCAL void php_ion_globals_serializer_dtor(void)
304 {
305 php_ion_serializer *s = &php_ion_globals.serializer;
306
307 zend_hash_destroy(s->tmp);
308 zend_hash_destroy(s->ids);
309 }
310
311 void ZVAL_ADDREF(zval *zv)
312 {
313 if (Z_ISREF_P(zv)) {
314 Z_TRY_ADDREF_P(Z_REFVAL_P(zv));
315 } else {
316 Z_TRY_ADDREF_P(zv);
317 }
318 }
319 LOCAL void php_ion_globals_unserializer_init(void)
320 {
321 php_ion_unserializer *s = &php_ion_globals.unserializer;
322 HashTable *h = php_ion_globals._ht.unserializer;
323
324 zend_hash_init(s->tmp = &h[0], 0, NULL, ZVAL_PTR_DTOR, 0);
325 zend_hash_init(s->ids = &h[1], 0, NULL, NULL, 0);
326 zend_hash_init(s->addref = &h[2], 0, NULL, ZVAL_ADDREF, 0);
327 }
328
329 LOCAL void php_ion_globals_unserializer_step(void)
330 {
331 php_ion_unserializer *s = &php_ion_globals.unserializer;
332
333 if (!s->level++) {
334 zend_hash_clean(s->addref);
335 zend_hash_clean(s->ids);
336 zend_hash_clean(s->tmp);
337 }
338 }
339
340 LOCAL void php_ion_globals_unserializer_exit(void)
341 {
342 php_ion_unserializer *s = &php_ion_globals.unserializer;
343
344 ZEND_ASSERT(s->level);
345 if (!--s->level) {
346 zend_hash_clean(s->addref);
347 zend_hash_clean(s->ids);
348 zend_hash_clean(s->tmp);
349 }
350 }
351
352 LOCAL void php_ion_globals_unserializer_dtor(void)
353 {
354 php_ion_unserializer *s = &php_ion_globals.unserializer;
355
356 zend_hash_destroy(s->addref);
357 zend_hash_destroy(s->ids);
358 zend_hash_destroy(s->tmp);
359 }
360
361 #define php_ion_obj(type, zo) \
362 ((php_ion_ ##type *) php_ion_obj_ex(zo, XtOffsetOf(php_ion_ ## type, std)))
363 LOCAL void *php_ion_obj_ex(void *obj, ptrdiff_t offset) {
364 if (obj) {
365 return ((char *) obj) - offset;
366 }
367 return NULL;
368 }
369
370 #define php_ion_decl(type, cname) \
371 static zend_object_handlers oh_ ## cname; \
372 LOCAL zend_object *create_ion_ ## cname(zend_class_entry *ce) \
373 { \
374 if (!ce) ce = ce_ ## cname; \
375 php_ion_ ## type *o = ecalloc(1, sizeof(*o) + zend_object_properties_size(ce)); \
376 zend_object_std_init(&o->std, ce); \
377 object_properties_init(&o->std, ce); \
378 o->std.handlers = &oh_ ## cname; \
379 return &o->std; \
380 } \
381 LOCAL void free_ion_ ## cname(zend_object *std) \
382 { \
383 php_ion_ ## type *obj = php_ion_obj(type, std); \
384 php_ion_ ## type ## _dtor(obj); \
385 zend_object_std_dtor(std); \
386 } \
387 LOCAL zend_object *clone_ion_ ## cname(zend_object *std) \
388 { \
389 php_ion_ ## type *old_obj = php_ion_obj(type, std), \
390 *new_obj = php_ion_obj(type, create_ion_ ## cname(std->ce)); \
391 php_ion_ ## type ## _copy(new_obj, old_obj); \
392 (void) old_obj; \
393 return &new_obj->std; \
394 }
395 #define php_ion_register(type, cname, ...) do { \
396 ce_ ## cname = register_class_ion_ ## cname(__VA_ARGS__); \
397 ce_ ## cname ->create_object = create_ion_ ## cname; \
398 memcpy(&oh_ ## cname, zend_get_std_object_handlers(), sizeof(zend_object_handlers)); \
399 oh_ ## cname .offset = offsetof(php_ion_ ## type, std); \
400 oh_ ## cname .free_obj = free_ion_ ## cname; \
401 oh_ ## cname .clone_obj = clone_ion_ ## cname; \
402 } while (0)
403
404 #define ION_CHECK_RETURN(r, err, ...) do { \
405 iERR __err = err; \
406 if (__err) { \
407 zend_throw_exception_ex(spl_ce_RuntimeException, __err, "%s: %s", ion_error_to_str(__err), #err); \
408 __VA_ARGS__; \
409 return r; \
410 } \
411 } while (0)
412
413 #define ION_CHECK(err, ...) \
414 ION_CHECK_RETURN(, err, __VA_ARGS__)
415
416 #define ION_CATCH(...) do { \
417 if (EG(exception)) { \
418 __VA_ARGS__; \
419 return; \
420 } \
421 } while (0)
422
423 #define PTR_CHECK_RETURN(ret, ptr, ...) do { \
424 if (!(ptr)) { \
425 zend_throw_error(NULL, "Uninitialized object"); \
426 __VA_ARGS__; \
427 return ret; \
428 } \
429 } while (0)
430 #define PTR_CHECK(ptr, ...) PTR_CHECK_RETURN(, ptr, __VA_ARGS__)
431
432 #define OBJ_CHECK_RETURN(ret, obj, ...) do { \
433 PTR_CHECK_RETURN(ret, obj, __VA_ARGS__); \
434 PTR_CHECK_RETURN(ret, *((void **)obj), __VA_ARGS__); \
435 } while (0)
436 #define OBJ_CHECK(obj, ...) OBJ_CHECK_RETURN(, obj, __VA_ARGS__)
437
438 LOCAL ION_STRING *ion_string_from_zend(ION_STRING *is, const zend_string *zs)
439 {
440 is->length = zs ? (SIZE) zs->len : 0;
441 is->value = (BYTE *) (zs ? zs->val : NULL);
442 return is;
443 }
444
445 LOCAL zend_string *zend_string_from_ion(const ION_STRING *s)
446 {
447 return zend_string_init((const char *) s->value, s->length, 0);
448 }
449
450 LOCAL void update_property_obj(zend_object *obj, const char *n, size_t l, zend_object *p)
451 {
452 zval zobj;
453 ZVAL_OBJ(&zobj, p);
454 zend_update_property(obj->ce, obj, n, l, &zobj);
455 }
456
457 LOCAL zend_object *get_property_obj(zend_object *obj, const char *n, size_t l, int type)
458 {
459 zval tmp, *zv = zend_read_property(obj->ce, obj, n, l, 0, &tmp);
460 if (zv && type & Z_TYPE_P(zv)) {
461 return Z_PTR_P(zv);
462 }
463 return NULL;
464 }
465
466 #define RETURN_IONTYPE(typ) do { \
467 zend_object *__zo = php_ion_type_fetch(typ); \
468 if (UNEXPECTED(!__zo)) { \
469 RETURN_THROWS(); \
470 } \
471 RETURN_OBJ_COPY(__zo); \
472 } while(0)
473
474 LOCAL zend_object *php_ion_type_fetch(ION_TYPE typ)
475 {
476 zend_long index = ION_TYPE_INT(typ);
477 zval *ztype = zend_hash_index_find(ce_Type->backed_enum_table, index);
478
479 if (UNEXPECTED(!ztype || Z_TYPE_P(ztype) != IS_STRING)) {
480 zend_value_error(ZEND_LONG_FMT " is not a valid backing value for enum \"%s\"", index, ZSTR_VAL(ce_Type->name));
481 return NULL;
482 }
483 return zend_enum_get_case(ce_Type, Z_STR_P(ztype));
484 }
485
486 LOCAL ION_TYPE ion_type_from_enum(zend_object *zo)
487 {
488 return (ION_TYPE) Z_LVAL_P(zend_enum_fetch_case_value(zo));
489 }
490
491 typedef struct php_ion_symbol_iloc {
492 ION_SYMBOL_IMPORT_LOCATION loc;
493 zend_string *name;
494 zend_object std;
495 } php_ion_symbol_iloc;
496
497 LOCAL void php_ion_symbol_iloc_ctor(php_ion_symbol_iloc *obj)
498 {
499 zend_update_property_long(obj->std.ce, &obj->std, ZEND_STRL("location"), obj->loc.location);
500 zend_update_property_str(obj->std.ce, &obj->std, ZEND_STRL("name"), obj->name);
501 ion_string_from_zend(&obj->loc.name, obj->name);
502 }
503
504 LOCAL void php_ion_symbol_iloc_dtor(php_ion_symbol_iloc *obj)
505 {
506 zend_string_release(obj->name);
507 }
508
509 LOCAL void php_ion_symbol_iloc_copy(php_ion_symbol_iloc *new_obj, php_ion_symbol_iloc *old_obj)
510 {
511 zend_objects_clone_members(&new_obj->std, &old_obj->std);
512 new_obj->name = zend_string_copy(old_obj->name);
513 ion_string_from_zend(&new_obj->loc.name, new_obj->name);
514 new_obj->loc.location = old_obj->loc.location;
515 }
516
517 php_ion_decl(symbol_iloc, Symbol_ImportLocation);
518
519 typedef struct php_ion_symbol {
520 ION_SYMBOL sym;
521 zend_string *value;
522 zend_object *iloc, std;
523 } php_ion_symbol;
524
525 LOCAL int php_ion_symbol_zval_compare(zval *zv1, zval *zv2) {
526 zend_string *zs1 = zval_get_string(zv1);
527 zend_string *zs2 = zval_get_string(zv2);
528
529 if (EG(exception)) {
530 return 0;
531 }
532
533 int result;
534 if (zs1->len > zs2->len) {
535 result = 1;
536 } else if (zs2->len > zs1->len) {
537 result = -1;
538 } else {
539 result = memcmp(zs1->val, zs2->val, zs1->len);
540 }
541 zend_string_release(zs1);
542 zend_string_release(zs2);
543 return result;
544 }
545
546 LOCAL void php_ion_symbol_ctor(php_ion_symbol *obj)
547 {
548 zend_update_property_long(obj->std.ce, &obj->std, ZEND_STRL("sid"),
549 obj->sym.sid);
550 if (obj->value) {
551 zend_update_property_str(obj->std.ce, &obj->std, ZEND_STRL("value"), obj->value);
552 } else{
553 zend_update_property_null(obj->std.ce, &obj->std, ZEND_STRL("value"));
554 }
555 ion_string_from_zend(&obj->sym.value, obj->value);
556 if (obj->iloc) {
557 update_property_obj(&obj->std, ZEND_STRL("importLocation"), obj->iloc);
558 obj->sym.import_location = php_ion_obj(symbol_iloc, obj->iloc)->loc;
559 } else {
560 zend_update_property_null(obj->std.ce, &obj->std, ZEND_STRL("importLocation"));
561 }
562 }
563
564 LOCAL void php_ion_symbol_dtor(php_ion_symbol *obj)
565 {
566 if (obj->value) {
567 zend_string_release(obj->value);
568 }
569 }
570
571 LOCAL void php_ion_symbol_copy(php_ion_symbol *new_obj, php_ion_symbol *old_obj)
572 {
573 zend_objects_clone_members(&new_obj->std, &old_obj->std);
574 new_obj->sym = old_obj->sym;
575 if (old_obj->value) {
576 new_obj->value = zend_string_copy(old_obj->value);
577 ion_string_from_zend(&new_obj->sym.value, new_obj->value);
578 }
579
580 if ((new_obj->iloc = get_property_obj(&new_obj->std, ZEND_STRL("importLocation"), IS_OBJECT))) {
581 new_obj->sym.import_location = php_ion_obj(symbol_iloc, new_obj->iloc)->loc;
582 }
583 }
584
585 LOCAL void php_ion_symbol_zval(ION_SYMBOL *sym_ptr, zval *return_value)
586 {
587 object_init_ex(return_value, ce_Symbol);
588 php_ion_symbol *sym = php_ion_obj(symbol, Z_OBJ_P(return_value));
589
590 sym->sym.sid = sym_ptr->sid;
591 sym->value = zend_string_from_ion(&sym_ptr->value);
592 if (!ION_SYMBOL_IMPORT_LOCATION_IS_NULL(sym_ptr)) {
593 zval ziloc;
594 object_init_ex(&ziloc, ce_Symbol_ImportLocation);
595 sym->iloc = Z_OBJ(ziloc);
596
597 php_ion_symbol_iloc *iloc = php_ion_obj(symbol_iloc, sym->iloc);
598 iloc->loc.location = sym_ptr->import_location.location;
599 iloc->name = zend_string_from_ion(&sym_ptr->import_location.name);
600
601 php_ion_symbol_iloc_ctor(iloc);
602 }
603
604 php_ion_symbol_ctor(sym);
605
606 if (!ION_SYMBOL_IMPORT_LOCATION_IS_NULL(sym_ptr)) {
607 GC_DELREF(sym->iloc);
608 }
609 }
610
611 LOCAL zval *php_ion_global_symbol_fetch_by_enum(zend_string *name)
612 {
613 zval *zgs = zend_hash_find(&php_ion_globals.symbol.cache, name);
614 if (!zgs) {
615 zval *zid = zend_hash_find(&g_sym_map, name);
616 if (zid) {
617 zval *zss = zend_hash_index_find(&g_sym_hash, Z_LVAL_P(zid));
618 if (zss) {
619 zval zsym;
620 object_init_ex(&zsym, ce_Symbol);
621 php_ion_symbol *sym = php_ion_obj(symbol, Z_OBJ(zsym));
622 sym->sym.sid = Z_LVAL_P(zid);
623 sym->value = zval_get_string(zss);
624 php_ion_symbol_ctor(sym);
625 zgs = zend_hash_add(&php_ion_globals.symbol.cache, name, &zsym);
626 }
627 }
628 }
629 return zgs;
630 }
631
632 php_ion_decl(symbol, Symbol);
633
634 typedef struct php_ion_symbol_table {
635 ION_SYMBOL_TABLE *tab;
636 int (*dtor)(ION_SYMBOL_TABLE *);
637 zend_object std;
638 } php_ion_symbol_table;
639
640 LOCAL void php_ion_symbol_table_ctor(php_ion_symbol_table *obj)
641 {
642 OBJ_CHECK(obj);
643
644 ION_STRING is;
645 if (IERR_OK == ion_symbol_table_get_name(obj->tab, &is)) {
646 zend_update_property_stringl(obj->std.ce, &obj->std, ZEND_STRL("name"), (char *) is.value, is.length);
647 }
648 int32_t iv;
649 if (IERR_OK == ion_symbol_table_get_version(obj->tab, &iv)) {
650 zend_update_property_long(obj->std.ce, &obj->std, ZEND_STRL("version"), iv);
651 }
652 }
653
654 LOCAL void php_ion_symbol_table_dtor(php_ion_symbol_table *obj)
655 {
656 if (obj->tab) {
657 if (obj->dtor) {
658 obj->dtor(obj->tab);
659 }
660 obj->tab = NULL;
661 }
662 }
663
664 LOCAL void php_ion_symbol_table_copy(php_ion_symbol_table *new_obj, php_ion_symbol_table *old_obj)
665 {
666 // do not clone cache members
667 // zend_objects_clone_members(...)
668 if ((new_obj->dtor = old_obj->dtor)) {
669 ION_CHECK(ion_symbol_table_clone_with_owner(old_obj->tab, &new_obj->tab, NULL));
670 } else {
671 new_obj->tab = old_obj->tab;
672 }
673 // update non-cache members
674 php_ion_symbol_table_ctor(new_obj);
675 }
676
677 LOCAL void php_ion_symbol_table_import(php_ion_symbol_table *obj, php_ion_symbol_table *import)
678 {
679 OBJ_CHECK(obj);
680 OBJ_CHECK(import);
681
682 zval tmp;
683 zval *zimports = zend_read_property(obj->std.ce, &obj->std, ZEND_STRL("imports"), 0, &tmp);
684 if (zimports) {
685 zend_ulong idx = (uintptr_t) &import->std.gc;
686 if (!zend_hash_index_exists(Z_ARRVAL_P(zimports), idx)) {
687 ION_CHECK(ion_symbol_table_import_symbol_table(obj->tab, import->tab));
688
689 SEPARATE_ARRAY(zimports);
690 GC_ADDREF(&import->std);
691 add_index_object(zimports, idx, &import->std);
692 zend_update_property(obj->std.ce, &obj->std, ZEND_STRL("imports"), zimports);
693 }
694 }
695 }
696
697 LOCAL void php_ion_symbol_table_symbol_zval(php_ion_symbol_table *obj, ION_SYMBOL *sym, zval *return_value)
698 {
699 zval tmp;
700 zval *zsyms = zend_read_property(obj->std.ce, &obj->std, ZEND_STRL("symbols"), 0, &tmp);
701 if (zsyms) {
702 zval *zsym = zend_hash_index_find(Z_ARRVAL_P(zsyms), sym->sid);
703 if (zsym) {
704 RETURN_COPY(zsym);
705 }
706 }
707
708 php_ion_symbol_zval(sym, return_value);
709
710 if (zsyms) {
711 SEPARATE_ARRAY(zsyms);
712 ZVAL_ADDREF(return_value);
713 add_index_zval(zsyms, sym->sid, return_value);
714 }
715 }
716
717 php_ion_decl(symbol_table, Symbol_Table);
718
719 typedef struct php_ion_decimal_ctx {
720 decContext ctx;
721 zend_object std;
722 } php_ion_decimal_ctx;
723
724 #define php_ion_decimal_ctx_init_max(c, rounding) \
725 php_ion_decimal_ctx_init((c), DEC_MAX_DIGITS, DEC_MAX_EMAX, DEC_MIN_EMIN, (rounding), false)
726 LOCAL void php_ion_decimal_ctx_init(decContext *ctx,
727 int digits, int emax, int emin, enum rounding round, zend_bool clamp)
728 {
729 memset(ctx, 0, sizeof(*ctx));
730 ctx->digits = digits;
731 ctx->emax = emax;
732 ctx->emin = emin;
733 ctx->round = round;
734 ctx->clamp = clamp;
735 }
736
737 LOCAL void php_ion_decimal_ctx_ctor(php_ion_decimal_ctx *obj, zend_object *o_round)
738 {
739 if (!obj->ctx.digits) {
740 php_ion_decimal_ctx_init_max(&obj->ctx, DEC_ROUND_HALF_EVEN);
741 }
742 if (o_round) {
743 update_property_obj(&obj->std, ZEND_STRL("round"), o_round);
744 } else {
745 zend_update_property_long(obj->std.ce, &obj->std, ZEND_STRL("round"), obj->ctx.round);
746 }
747 zend_update_property_long(obj->std.ce, &obj->std, ZEND_STRL("digits"), obj->ctx.digits);
748 zend_update_property_long(obj->std.ce, &obj->std, ZEND_STRL("eMax"), obj->ctx.emax);
749 zend_update_property_long(obj->std.ce, &obj->std, ZEND_STRL("eMin"), obj->ctx.emin);
750 zend_update_property_bool(obj->std.ce, &obj->std, ZEND_STRL("clamp"), obj->ctx.clamp);
751 }
752
753 LOCAL void php_ion_decimal_ctx_dtor(php_ion_decimal_ctx *obj)
754 {
755 }
756
757 LOCAL void php_ion_decimal_ctx_copy(php_ion_decimal_ctx *new_obj, php_ion_decimal_ctx *old_obj)
758 {
759 zend_objects_clone_members(&new_obj->std, &old_obj->std);
760 new_obj->ctx = old_obj->ctx;
761 }
762
763 php_ion_decl(decimal_ctx, Decimal_Context);
764
765 typedef struct php_ion_decimal {
766 ION_DECIMAL dec;
767 zend_object *ctx, std;
768 } php_ion_decimal;
769
770 LOCAL void php_ion_decimal_from_zend_long(ION_DECIMAL *dec, decContext *ctx, zend_long num)
771 {
772 if (num <= INT32_MAX && num >= INT32_MIN) {
773 ION_CHECK(ion_decimal_from_int32(dec, num));
774 } else if (num > 0 && num <= UINT32_MAX) {
775 ION_CHECK(ion_decimal_from_uint32(dec, num));
776 } else {
777 ION_INT *iint;
778 ION_CHECK(ion_int_alloc(NULL, &iint));
779 ION_CHECK(ion_int_from_long(iint, num),
780 ion_int_free(iint));
781 /* WATCH OUT: BS API */
782 dec->type = ION_DECIMAL_TYPE_QUAD;
783 ION_CHECK(ion_decimal_from_ion_int(dec, ctx, iint),
784 ion_int_free(iint));
785 ion_int_free(iint);
786 }
787 }
788
789 LOCAL zend_string *php_ion_decimal_to_string(ION_DECIMAL *dec)
790 {
791 zend_string *zstr = zend_string_alloc(ION_DECIMAL_STRLEN(dec), 0);
792 (void) ion_decimal_to_string(dec, zstr->val);
793 return zend_string_truncate(zstr, strlen(zstr->val), 0);
794 }
795
796 LOCAL void php_ion_decimal_to_zend_long(ION_DECIMAL *dec, decContext *ctx, zend_long *l)
797 {
798 ION_INT *ii = NULL;
799 ION_CHECK(ion_int_alloc(NULL, &ii));
800 ION_CHECK(ion_decimal_to_ion_int(dec, ctx, ii), ion_int_free(ii));
801 int64_t i64;
802 ION_CHECK(ion_int_to_int64(ii, &i64), ion_int_free(ii));
803 *l = i64;
804 ion_int_free(ii);
805 }
806
807 LOCAL bool php_ion_decimal_fits_zend_long(php_ion_decimal *obj)
808 {
809 int32_t result;
810
811 if (!ion_decimal_is_integer(&obj->dec)) {
812 return false;
813 }
814
815 result = 1;
816 ion_decimal_compare(&obj->dec, &php_ion_globals.decimal.zend_max, &php_ion_globals.decimal.ctx, &result);
817 if (result == 1) {
818 return false;
819 }
820 result = -1;
821 ion_decimal_compare(&obj->dec, &php_ion_globals.decimal.zend_min, &php_ion_globals.decimal.ctx, &result);
822 if (result == -1) {
823 return false;
824 }
825 return true;
826 }
827
828 LOCAL void php_ion_decimal_ctor(php_ion_decimal *obj)
829 {
830 if (!obj->ctx) {
831 zval zdc;
832 object_init_ex(&zdc, ce_Decimal_Context);
833 obj->ctx = Z_OBJ(zdc);
834 php_ion_decimal_ctx_ctor(php_ion_obj(decimal_ctx, obj->ctx), NULL);
835 GC_DELREF(obj->ctx);
836 }
837 update_property_obj(&obj->std, ZEND_STRL("context"), obj->ctx);
838
839 if (php_ion_decimal_fits_zend_long(obj)) {
840 zend_long l;
841 php_ion_decimal_to_zend_long(&obj->dec, &php_ion_obj(decimal_ctx, obj->ctx)->ctx, &l);
842 zend_update_property_long(obj->std.ce, &obj->std, ZEND_STRL("number"), l);
843 } else {
844 zend_string *zstr = php_ion_decimal_to_string(&obj->dec);
845 zend_update_property_str(obj->std.ce, &obj->std, ZEND_STRL("number"), zstr);
846 zend_string_release(zstr);
847 }
848 }
849
850 LOCAL void php_ion_decimal_dtor(php_ion_decimal *obj)
851 {
852 ion_decimal_free(&obj->dec);
853 }
854
855 LOCAL void php_ion_decimal_copy(php_ion_decimal *new_obj, php_ion_decimal *old_obj)
856 {
857 zend_objects_clone_members(&new_obj->std, &old_obj->std);
858 new_obj->ctx = get_property_obj(&new_obj->std, ZEND_STRL("context"), IS_OBJECT);
859 ION_CHECK(ion_decimal_copy(&new_obj->dec, &old_obj->dec));
860 }
861
862 php_ion_decl(decimal, Decimal);
863
864 typedef php_date_obj php_ion_timestamp;
865
866 LOCAL zend_long php_usec_from_ion(const decQuad *frac, decContext *ctx)
867 {
868 if (!ctx) {
869 ctx = &php_ion_globals.decimal.ctx;
870 }
871 decQuad microsecs, result;
872 decQuadMultiply(&result, decQuadFromInt32(&microsecs, 1000000), frac, ctx);
873 return (zend_long) decQuadToUInt32(&result, ctx, DEC_ROUND_HALF_EVEN);
874 }
875
876 LOCAL decQuad *ion_ts_frac_from_usec(decQuad *frac, int usec, decContext *ctx)
877 {
878 if (!ctx) {
879 ctx = &php_ion_globals.decimal.ctx;
880 }
881 decQuad microsecs, us;
882 return decQuadDivide(frac, decQuadFromInt32(&us, usec), decQuadFromInt32(&microsecs, 1000000), ctx);
883 }
884
885 LOCAL zend_string *php_ion_timestamp_format_fetch(zend_string *fmt_case)
886 {
887 return Z_STR_P(zend_enum_fetch_case_value(zend_enum_get_case(ce_Timestamp_Format, fmt_case)));
888 }
889
890 LOCAL zend_string *php_dt_format_from_precision(uint8_t precision)
891 {
892 switch (precision) {
893 case ION_TS_FRAC | 0x80:
894 return php_ion_timestamp_format_fetch(g_intern_str.FracTZ);
895 case ION_TS_FRAC:
896 return php_ion_timestamp_format_fetch(g_intern_str.Frac);
897 case ION_TS_SEC | 0x80:
898 return php_ion_timestamp_format_fetch(g_intern_str.SecTZ);
899 case ION_TS_SEC:
900 return php_ion_timestamp_format_fetch(g_intern_str.Sec);
901 case ION_TS_MIN | 0x80:
902 return php_ion_timestamp_format_fetch(g_intern_str.MinTZ);
903 case ION_TS_MIN:
904 return php_ion_timestamp_format_fetch(g_intern_str.Min);
905 case ION_TS_DAY:
906 return php_ion_timestamp_format_fetch(g_intern_str.Day);
907 case ION_TS_MONTH:
908 return php_ion_timestamp_format_fetch(g_intern_str.Month);
909 case ION_TS_YEAR:
910 return php_ion_timestamp_format_fetch(g_intern_str.Year);
911 default:
912 return zend_one_char_string['c'];
913 }
914 }
915
916 LOCAL timelib_time* php_time_from_ion(const ION_TIMESTAMP *ts, decContext *ctx, zend_string **fmt)
917 {
918 timelib_time *time = ecalloc(1, sizeof(*time));
919
920 switch (ts->precision & 0x7f) {
921 case ION_TS_FRAC:
922 time->us = php_usec_from_ion(&ts->fraction, ctx);
923 /* fallthrough */
924 case ION_TS_SEC:
925 time->s = ts->seconds;
926 /* fallthrough */
927 case ION_TS_MIN:
928 time->i = ts->minutes;
929 time->h = ts->hours;
930 /* fallthrough */
931 case ION_TS_DAY:
932 time->d = ts->day;
933 /* fallthrough */
934 case ION_TS_MONTH:
935 time->m = ts->month;
936 /* fallthrough */
937 case ION_TS_YEAR:
938 time->y = ts->year;
939 /* fallthrough */
940 default:
941 time->z = ts->tz_offset * 60;
942 if (time->z || ts->precision & 0x80) {
943 time->zone_type = TIMELIB_ZONETYPE_OFFSET;
944 } else {
945 time->zone_type = TIMELIB_ZONETYPE_ID;
946 time->tz_info = get_timezone_info();
947 }
948 }
949
950 if (fmt) {
951 *fmt = php_dt_format_from_precision(ts->precision);
952 }
953 return time;
954 }
955
956 LOCAL ION_TIMESTAMP *ion_timestamp_from_php(ION_TIMESTAMP *buf, php_ion_timestamp *ts, decContext *ctx)
957 {
958 memset(buf, 0, sizeof(*buf));
959
960 zval tmp;
961 int precision = Z_LVAL_P(zend_read_property(ts->std.ce, &ts->std, ZEND_STRL("precision"), 0, &tmp));
962
963 if (!precision || precision > (ION_TS_FRAC|0x80)) {
964 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
965 "Invalid precision (%d) of ion\\Timestamp", precision);
966 } else switch ((buf->precision = precision) & 0x7f) {
967 case ION_TS_FRAC:
968 ion_ts_frac_from_usec(&buf->fraction, (int) ts->time->us, ctx);
969 /* fallthrough */
970 case ION_TS_SEC:
971 buf->seconds = ts->time->s;
972 /* fallthrough */
973 case ION_TS_MIN:
974 buf->minutes = ts->time->i;
975 /* fallthrough */
976 case ION_TS_DAY:
977 buf->hours = ts->time->h;
978 buf->day = ts->time->d;
979 /* fallthrough */
980 case ION_TS_MONTH:
981 buf->month = ts->time->m;
982 /* fallthrough */
983 case ION_TS_YEAR:
984 buf->year = ts->time->y;
985 /* fallthrough */
986 default:
987 buf->tz_offset = (short) (ts->time->z / 60);
988 if (buf->tz_offset) {
989 buf->precision |= 0x80;
990 }
991 }
992
993 return buf;
994 }
995
996 LOCAL void php_ion_timestamp_ctor(php_ion_timestamp *obj, zend_long precision, zend_string *fmt, zend_string *dt, zval *tz)
997 {
998 if (!obj->time) {
999 php_date_initialize(obj, dt ? dt->val : "", dt ? dt->len : 0, fmt ? fmt->val : NULL, tz, PHP_DATE_INIT_CTOR);
1000 }
1001 zend_update_property_long(obj->std.ce, &obj->std, ZEND_STRL("precision"), precision);
1002
1003 fmt = php_dt_format_from_precision(precision);
1004 zend_update_property_str(obj->std.ce, &obj->std, ZEND_STRL("format"), fmt);
1005 zend_string_release(fmt);
1006 }
1007
1008 typedef struct php_ion_catalog {
1009 ION_CATALOG *cat;
1010 zend_object std;
1011 } php_ion_catalog;
1012
1013 LOCAL void php_ion_catalog_ctor(php_ion_catalog *obj)
1014 {
1015 ION_CHECK(ion_catalog_open(&obj->cat));
1016 }
1017
1018 LOCAL void php_ion_catalog_dtor(php_ion_catalog *obj)
1019 {
1020 if (obj->cat) {
1021 ion_catalog_close(obj->cat);
1022 }
1023 }
1024
1025 LOCAL ION_COLLECTION *php_ion_catalog_collection(php_ion_catalog *cat)
1026 {
1027 /* do not look too close */
1028 struct {
1029 void *owner;
1030 ION_SYMBOL_TABLE *sys;
1031 ION_COLLECTION collection;
1032 } *cat_ptr = (void *) cat->cat;
1033 return &cat_ptr->collection;
1034 }
1035 // see https://github.com/amzn/ion-c/issues/269
1036 #ifndef IPCN_pNODE_TO_pDATA
1037 # define IPCN_pNODE_TO_pDATA(x) (&((x)->_data[0]))
1038 #endif
1039
1040 LOCAL void php_ion_catalog_copy(php_ion_catalog *new_obj, php_ion_catalog *old_obj)
1041 {
1042 // do not clone members; they're only caches
1043
1044 php_ion_catalog_ctor(new_obj);
1045 OBJ_CHECK(new_obj);
1046
1047 ION_COLLECTION *col = php_ion_catalog_collection(old_obj);
1048 if (!ION_COLLECTION_IS_EMPTY(col)) {
1049 ION_COLLECTION_CURSOR cur;
1050 ION_COLLECTION_OPEN(col, cur);
1051 while (cur) {
1052 ION_SYMBOL_TABLE **ptr;
1053 ION_COLLECTION_NEXT(cur, ptr);
1054 if (*ptr) {
1055 ION_CHECK(ion_catalog_add_symbol_table(new_obj->cat, *ptr));
1056 }
1057 }
1058 }
1059 }
1060
1061 LOCAL zend_string *ion_symbol_table_to_key(ION_SYMBOL_TABLE *tab)
1062 {
1063 int32_t version;
1064 ION_STRING is;
1065 ION_CHECK_RETURN(NULL, ion_symbol_table_get_name(tab, &is));
1066 ION_CHECK_RETURN(NULL, ion_symbol_table_get_version(tab, &version));
1067
1068 smart_str s = {0};
1069 smart_str_appendl(&s, (char *) is.value, is.length);
1070 smart_str_appendc(&s, ':');
1071 smart_str_append_long(&s, version);
1072 smart_str_0(&s);
1073
1074 return s.s;
1075 }
1076
1077 LOCAL void php_ion_catalog_add_symbol_table(php_ion_catalog *obj, php_ion_symbol_table *tab)
1078 {
1079 OBJ_CHECK(obj);
1080 OBJ_CHECK(tab);
1081
1082 zval tmp;
1083 zval *ztabs = zend_read_property(obj->std.ce, &obj->std, ZEND_STRL("symbolTables"), 0, &tmp);
1084 if (ztabs) {
1085 zend_ulong idx = (uintptr_t) &tab->std.gc;
1086 if (!zend_hash_index_exists(Z_ARRVAL_P(ztabs), idx)) {
1087 zend_string *key = ion_symbol_table_to_key(tab->tab);
1088 if (key) {
1089 ION_CHECK(ion_catalog_add_symbol_table(obj->cat, tab->tab),
1090 zend_string_release(key));
1091 SEPARATE_ARRAY(ztabs);
1092 GC_ADDREF(&tab->std);
1093 add_index_object(ztabs, idx, &tab->std);
1094 GC_ADDREF(&tab->std);
1095 add_assoc_object_ex(ztabs, key->val, key->len, &tab->std);
1096 zend_update_property(obj->std.ce, &obj->std, ZEND_STRL("symbolTables"), ztabs);
1097 zend_string_release(key);
1098 }
1099 }
1100 }
1101 }
1102
1103 LOCAL void php_ion_catalog_symbol_table_zval(php_ion_catalog *obj, ION_SYMBOL_TABLE *tab, zval *return_value)
1104 {
1105 zend_string *key = ion_symbol_table_to_key(tab);
1106 PTR_CHECK(key);
1107
1108 zval tmp;
1109 zval *ztabs = zend_read_property(obj->std.ce, &obj->std, ZEND_STRL("symbolTables"), 0, &tmp);
1110 if (ztabs) {
1111 zval *ztab = zend_hash_find(Z_ARRVAL_P(ztabs), key);
1112 if (ztab) {
1113 zend_string_release(key);
1114 RETURN_COPY(ztab);
1115 }
1116 }
1117
1118 php_error_docref(NULL, E_NOTICE, "Previously unknown ion\\Symbol\\Table encountered: %s", key->val);
1119
1120 object_init_ex(return_value, ce_Symbol_Table_Shared);
1121 php_ion_symbol_table *o_tab = php_ion_obj(symbol_table, Z_OBJ_P(return_value));
1122 OBJ_CHECK(o_tab, zend_string_release(key));
1123 php_ion_symbol_table_ctor(o_tab);
1124
1125 if (ztabs) {
1126 SEPARATE_ARRAY(ztabs);
1127 ZVAL_ADDREF(return_value);
1128 add_index_zval(ztabs, (uintptr_t) &o_tab->std.gc, return_value);
1129 ZVAL_ADDREF(return_value);
1130 add_assoc_zval_ex(ztabs, key->val, key->len, return_value);
1131 }
1132 zend_string_release(key);
1133 }
1134
1135 php_ion_decl(catalog, Catalog);
1136
1137 typedef struct php_ion_reader_options_ccn_ctx {
1138 zend_object *obj;
1139 zend_fcall_info fci;
1140 zend_fcall_info_cache fcc;
1141 } php_ion_reader_options_ccn_ctx;
1142
1143 typedef struct php_ion_reader_options {
1144 ION_READER_OPTIONS opt;
1145 php_ion_reader_options_ccn_ctx ccn;
1146 zend_object *cat, *dec_ctx, *cb, std;
1147 } php_ion_reader_options;
1148
1149 LOCAL void php_ion_reader_options_dtor(php_ion_reader_options *obj)
1150 {
1151 if (obj->cb) {
1152 zend_fcall_info_args_clear(&obj->ccn.fci, true);
1153 }
1154 }
1155
1156 LOCAL void php_ion_reader_options_copy(php_ion_reader_options *new_obj, php_ion_reader_options *old_obj)
1157 {
1158 zend_objects_clone_members(&new_obj->std, &old_obj->std);
1159
1160 new_obj->opt = old_obj->opt;
1161 new_obj->cat = get_property_obj(&new_obj->std, ZEND_STRL("catalog"), IS_OBJECT);
1162 new_obj->dec_ctx = get_property_obj(&new_obj->std, ZEND_STRL("decimalContext"), IS_OBJECT);
1163 new_obj->cb = get_property_obj(&new_obj->std, ZEND_STRL("onContextChange"), IS_OBJECT);
1164 if (new_obj->cb) {
1165 zval zcb;
1166 ZVAL_OBJ(&zcb, new_obj->cb);
1167 zend_fcall_info_init(&zcb, 0, &new_obj->ccn.fci, &new_obj->ccn.fcc, NULL, NULL);
1168 new_obj->opt.context_change_notifier.context = &new_obj->ccn;
1169 }
1170 }
1171
1172 php_ion_decl(reader_options, Reader_Options);
1173
1174 LOCAL zend_object *php_ion_reader_options_new(void)
1175 {
1176 zend_object *obj = create_ion_Reader_Options(NULL);
1177 zend_call_known_instance_method_with_0_params(obj->ce->constructor, obj, NULL);
1178 return obj;
1179 }
1180
1181 typedef struct php_ion_reader {
1182 ION_READER *reader;
1183 ION_TYPE state;
1184 enum {
1185 BUFFER_READER,
1186 STREAM_READER,
1187 } type;
1188 union {
1189 zend_string *buffer;
1190 struct {
1191 php_stream *ptr;
1192 ION_STRING buf;
1193 } stream;
1194 };
1195 zend_object *opt, std;
1196 } php_ion_reader;
1197
1198 LOCAL iERR php_ion_reader_stream_handler(struct _ion_user_stream *user)
1199 {
1200 php_ion_reader *reader = (php_ion_reader *) user->handler_state;
1201 size_t remaining = 0, spare = reader->stream.buf.length;
1202
1203 if (user->curr && user->limit && (remaining = user->limit - user->curr)) {
1204 memmove(reader->stream.buf.value, user->curr, remaining);
1205 user->limit -= remaining;
1206 spare -= remaining;
1207 } else {
1208 user->curr = user->limit = reader->stream.buf.value;
1209 }
1210
1211 ssize_t read = php_stream_read(reader->stream.ptr, (char *) user->limit, spare);
1212 if (EXPECTED(read > 0)) {
1213 user->limit += read;
1214 return IERR_OK;
1215 }
1216
1217 if (EXPECTED(read == 0)) {
1218 return IERR_EOF;
1219 }
1220
1221 return IERR_READ_ERROR;
1222 }
1223
1224 LOCAL iERR on_context_change(void *context, ION_COLLECTION *imports)
1225 {
1226 iERR e = IERR_OK;
1227
1228 if (context) {
1229 php_ion_reader_options_ccn_ctx *ctx = context;
1230
1231 zval zobj;
1232 ZVAL_OBJ(&zobj, ctx->obj);
1233 zend_fcall_info_argn(&ctx->fci, 1, &zobj);
1234 if (SUCCESS != zend_fcall_info_call(&ctx->fci, &ctx->fcc, NULL, NULL)) {
1235 e = IERR_INTERNAL_ERROR;
1236 }
1237 zend_fcall_info_args_clear(&ctx->fci, false);
1238 }
1239 return e;
1240 }
1241
1242 LOCAL void php_ion_reader_ctor(php_ion_reader *obj)
1243 {
1244 iERR err;
1245 php_ion_reader_options *opt = php_ion_obj(reader_options, obj->opt);
1246
1247 if (opt && opt->opt.context_change_notifier.context) {
1248 php_ion_reader_options_ccn_ctx *ctx = opt->opt.context_change_notifier.context;
1249 ctx->obj = &obj->std;
1250 opt->opt.context_change_notifier.notify = on_context_change;
1251 }
1252 if (obj->type == STREAM_READER) {
1253 PTR_CHECK(obj->stream.ptr);
1254 GC_ADDREF(obj->stream.ptr->res);
1255
1256 obj->stream.buf.length = opt && opt->opt.allocation_page_size ? opt->opt.allocation_page_size : 0x10000;
1257 obj->stream.buf.value = emalloc(obj->stream.buf.length);
1258 err = ion_reader_open_stream(&obj->reader, obj, php_ion_reader_stream_handler, opt ? &opt->opt : NULL);
1259
1260 } else {
1261 err = ion_reader_open_buffer(&obj->reader, (BYTE *) obj->buffer->val, (SIZE) obj->buffer->len, opt ? &opt->opt : NULL);
1262 }
1263
1264 ION_CHECK(err);
1265 OBJ_CHECK(obj);
1266 }
1267
1268 LOCAL void php_ion_reader_dtor(php_ion_reader *obj)
1269 {
1270 if (obj->reader) {
1271 ion_reader_close(obj->reader);
1272 }
1273 if (obj->type == STREAM_READER) {
1274 if (obj->stream.buf.value) {
1275 efree(obj->stream.buf.value);
1276 }
1277 if (obj->stream.ptr) {
1278 zend_list_delete(obj->stream.ptr->res);
1279 }
1280 } else {
1281 if (obj->buffer) {
1282 zend_string_release(obj->buffer);
1283 }
1284 }
1285 }
1286
1287 #define php_ion_reader_copy(n,o)
1288 php_ion_decl(reader, Reader_Reader);
1289 #define clone_ion_Reader_Reader NULL
1290
1291 typedef struct php_ion_writer_options {
1292 ION_WRITER_OPTIONS opt;
1293 zend_object *cat, *dec_ctx, std;
1294 } php_ion_writer_options;
1295
1296 LOCAL void php_ion_writer_options_copy(php_ion_writer_options *new_obj, php_ion_writer_options *old_obj)
1297 {
1298 new_obj->opt = old_obj->opt;
1299
1300 if (old_obj->cat) {
1301 new_obj->cat = old_obj->cat;
1302 GC_ADDREF(new_obj->cat);
1303 }
1304 if (old_obj->dec_ctx) {
1305 new_obj->dec_ctx = old_obj->dec_ctx;
1306 GC_ADDREF(new_obj->dec_ctx);
1307 }
1308 }
1309
1310 LOCAL void php_ion_writer_options_dtor(php_ion_writer_options *obj)
1311 {
1312 }
1313
1314 php_ion_decl(writer_options, Writer_Options);
1315
1316 LOCAL zend_object *php_ion_writer_options_new(void)
1317 {
1318 zend_object *obj = create_ion_Writer_Options(NULL);
1319 zend_call_known_instance_method_with_0_params(obj->ce->constructor, obj, NULL);
1320 return obj;
1321 }
1322
1323 typedef struct php_ion_writer {
1324 ION_WRITER *writer;
1325 enum {
1326 BUFFER_WRITER,
1327 STREAM_WRITER,
1328 } type;
1329 union {
1330 struct {
1331 zval val;
1332 smart_str str;
1333 } buffer;
1334 struct {
1335 ION_STRING buf;
1336 php_stream *ptr;
1337 } stream;
1338 };
1339 zend_object *opt, std;
1340
1341 } php_ion_writer;
1342
1343 LOCAL iERR php_ion_writer_stream_handler(struct _ion_user_stream *user)
1344 {
1345 php_ion_writer *writer = (php_ion_writer *) user->handler_state;
1346
1347 if (EXPECTED(user->limit && user->curr)) {
1348 ptrdiff_t len = user->curr - writer->stream.buf.value;
1349 if (len != php_stream_write(writer->stream.ptr, (char *) writer->stream.buf.value, len)) {
1350 return IERR_WRITE_ERROR;
1351 }
1352 }
1353 user->curr = writer->stream.buf.value;
1354 user->limit = writer->stream.buf.value + writer->stream.buf.length;
1355 return IERR_OK;
1356 }
1357
1358 #define REF_STR() do { \
1359 ZVAL_NEW_STR(ref, obj->buffer.str.s); \
1360 GC_ADDREF(obj->buffer.str.s); \
1361 } while (0)
1362
1363 #define NEW_REF_STR() do {\
1364 if (Z_STR_P(ref) != obj->buffer.str.s) { \
1365 zval_ptr_dtor(ref); \
1366 REF_STR(); \
1367 } \
1368 } while(0)
1369
1370 LOCAL void php_ion_writer_stream_init(php_ion_writer *obj, php_ion_writer_options *opt)
1371 {
1372 PTR_CHECK(obj->stream.ptr);
1373 GC_ADDREF(obj->stream.ptr->res);
1374
1375 obj->stream.buf.length = opt ? opt->opt.allocation_page_size : 0x1000;
1376 obj->stream.buf.value = emalloc(obj->stream.buf.length);
1377 }
1378 LOCAL void php_ion_writer_buffer_init(php_ion_writer *obj)
1379 {
1380 zval *ref = &obj->buffer.val;
1381 ZVAL_DEREF(ref);
1382
1383 smart_str_alloc(&obj->buffer.str, 0, 0);
1384 smart_str_0(&obj->buffer.str);
1385 REF_STR();
1386 }
1387
1388 LOCAL void php_ion_writer_buffer_grow(php_ion_writer *obj)
1389 {
1390 zval *ref = &obj->buffer.val;
1391 ZVAL_DEREF(ref);
1392
1393 switch (GC_REFCOUNT(obj->buffer.str.s)) {
1394 case 2:
1395 // nothing to do
1396 break;
1397 case 1:
1398 // we've been separated
1399 GC_ADDREF(obj->buffer.str.s);
1400 break;
1401 default:
1402 // we have to separate
1403 fprintf(stderr, "SEPARATE\n");
1404 obj->buffer.str.s = zend_string_dup(obj->buffer.str.s, 0);
1405 break;
1406 }
1407
1408 zend_string *old = obj->buffer.str.s;
1409 GC_DELREF(old);
1410 smart_str_erealloc(&obj->buffer.str, obj->buffer.str.a << 1);
1411 if (old == obj->buffer.str.s) {
1412 GC_ADDREF(old);
1413 } else if(old == Z_STR_P(ref)) {
1414 ZVAL_NULL(ref);
1415 }
1416
1417 NEW_REF_STR();
1418 }
1419
1420 LOCAL iERR php_ion_writer_buffer_handler(struct _ion_user_stream *user)
1421 {
1422 php_ion_writer *writer = (php_ion_writer *) user->handler_state;
1423
1424 if (user->curr) {
1425 writer->buffer.str.s->len += user->curr - (BYTE *) &writer->buffer.str.s->val[writer->buffer.str.s->len];
1426 smart_str_0(&writer->buffer.str);
1427 if (user->limit == user->curr) {
1428 php_ion_writer_buffer_grow(writer);
1429 }
1430 }
1431 user->curr = (BYTE *) &writer->buffer.str.s->val[writer->buffer.str.s->len];
1432 user->limit = user->curr + writer->buffer.str.a - writer->buffer.str.s->len;
1433
1434 return IERR_OK;
1435 }
1436
1437 LOCAL void php_ion_writer_options_init_shared_imports(php_ion_writer_options *opt)
1438 {
1439 php_ion_catalog *cat = php_ion_obj(catalog, opt->cat);
1440 OBJ_CHECK(cat);
1441
1442 ION_CHECK(ion_writer_options_initialize_shared_imports(&opt->opt));
1443
1444 ION_COLLECTION *col = php_ion_catalog_collection(cat);
1445 if (!ION_COLLECTION_IS_EMPTY(col)) {
1446 // holy, nah, forget it batman...
1447 ION_COLLECTION_CURSOR cur;
1448 ION_COLLECTION_OPEN(col, cur);
1449 while (cur) {
1450 ION_SYMBOL_TABLE **ptr;
1451 ION_COLLECTION_NEXT(cur, ptr);
1452 if (*ptr) {
1453 ION_CHECK(ion_writer_options_add_shared_imports_symbol_tables(&opt->opt, ptr, 1));
1454 } else {
1455 break;
1456 }
1457 }
1458 }
1459 }
1460
1461 LOCAL void php_ion_writer_ctor(php_ion_writer *obj)
1462 {
1463 php_ion_writer_options *opt = NULL;
1464
1465 if (obj->opt) {
1466 update_property_obj(&obj->std, ZEND_STRL("options"), obj->opt);
1467 opt = php_ion_obj(writer_options, obj->opt);
1468 if (opt->cat) {
1469 php_ion_writer_options_init_shared_imports(opt);
1470 }
1471 }
1472
1473 ION_STREAM_HANDLER h;
1474 if (obj->type == STREAM_WRITER) {
1475 h = php_ion_writer_stream_handler;
1476 php_ion_writer_stream_init(obj, opt);
1477 } else {
1478 h = php_ion_writer_buffer_handler;
1479 php_ion_writer_buffer_init(obj);
1480 }
1481
1482
1483 ION_CHECK(ion_writer_open_stream(&obj->writer, h, obj, opt ? &opt->opt : NULL));
1484 OBJ_CHECK(obj);
1485 }
1486
1487 LOCAL void php_ion_writer_dtor(php_ion_writer *obj)
1488 {
1489 if (obj->writer) {
1490 ion_writer_close(obj->writer);
1491 }
1492 if (obj->opt) {
1493 php_ion_writer_options *opt = php_ion_obj(writer_options, obj->opt);
1494 if (opt->cat) {
1495 ion_writer_options_close_shared_imports(&opt->opt);
1496 }
1497 }
1498 if (obj->type == STREAM_WRITER) {
1499 if (obj->stream.buf.value) {
1500 efree(obj->stream.buf.value);
1501 }
1502 if (obj->stream.ptr) {
1503 zend_list_delete(obj->stream.ptr->res);
1504 }
1505 } else {
1506 if (obj->buffer.str.s) {
1507 smart_str_0(&obj->buffer.str);
1508 zend_string_release(obj->buffer.str.s);
1509 }
1510 zval_ptr_dtor(&obj->buffer.val);
1511 }
1512 }
1513
1514 #define php_ion_writer_copy(o,n)
1515 php_ion_decl(writer, Writer_Writer);
1516 #define clone_ion_Writer_Writer NULL
1517
1518 typedef struct php_ion_serializer_php {
1519 php_ion_serializer serializer;
1520 zend_object *opt, std;
1521 } php_ion_serializer_php;
1522
1523 LOCAL void php_ion_serializer_php_ctor(php_ion_serializer_php *ser_obj)
1524 {
1525 php_ion_serializer *global_ser = &php_ion_globals.serializer;
1526 ser_obj->serializer.ids = global_ser->ids;
1527 ser_obj->serializer.tmp = global_ser->tmp;
1528
1529 zend_update_property_bool(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("multiSequence"),
1530 ser_obj->serializer.multi_seq);
1531 zend_update_property_bool(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callMagicSerialize"),
1532 ser_obj->serializer.call_magic);
1533 if (ser_obj->serializer.call_custom) {
1534 zend_update_property_str(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callCustomSerialize"),
1535 ser_obj->serializer.call_custom);
1536 ser_obj->serializer.call_custom = zend_string_tolower(ser_obj->serializer.call_custom);
1537 } else {
1538 zend_update_property_null(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callCustomSerialize"));
1539 }
1540 if (!ser_obj->opt) {
1541 ser_obj->opt = php_ion_writer_options_new();
1542 } else {
1543 GC_ADDREF(ser_obj->opt);
1544 }
1545 ser_obj->serializer.options = &php_ion_obj(writer_options, ser_obj->opt)->opt;
1546 update_property_obj(&ser_obj->std, ZEND_STRL("writerOptions"), ser_obj->opt);
1547 GC_DELREF(ser_obj->opt);
1548 }
1549
1550 LOCAL void php_ion_serializer_php_dtor(php_ion_serializer_php *obj)
1551 {
1552 if (obj->serializer.call_custom) {
1553 zend_string_release(obj->serializer.call_custom);
1554 }
1555 }
1556
1557 LOCAL void php_ion_serialize_zval(php_ion_serializer *, zval *);
1558
1559 LOCAL void php_ion_serialize_struct(php_ion_serializer *ser, zend_array *arr, bool unmangle_props, bool annotate_props)
1560 {
1561 ION_CHECK(ion_writer_start_container(ser->writer, tid_STRUCT));
1562
1563 zval *v;
1564 zend_ulong h;
1565 zend_string *k = NULL;
1566 if (arr) ZEND_HASH_FOREACH_KEY_VAL_IND(arr, h, k, v)
1567 char buf[MAX_LENGTH_OF_LONG + 1];
1568 ION_STRING is;
1569 if (k) {
1570 size_t prop_len;
1571 const char *class_name, *prop_name;
1572 if (unmangle_props && (SUCCESS == zend_unmangle_property_name_ex(k, &class_name, &prop_name, &prop_len)) && class_name) {
1573 if (annotate_props) {
1574 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_PROPERTY));
1575 ION_CHECK(ion_writer_add_annotation(ser->writer, ion_string_assign_cstr(&is, (char *) class_name, prop_name - class_name - 1)));
1576 }
1577 } else {
1578 prop_name = k->val;
1579 prop_len = k->len;
1580 }
1581 ion_string_assign_cstr(&is, (char *) prop_name, (SIZE) prop_len);
1582 } else {
1583 char *end = buf + sizeof(buf) - 1;
1584 char *ptr = zend_print_long_to_buf(end, (zend_long) h);
1585 ion_string_assign_cstr(&is, ptr, (SIZE) (end - ptr));
1586 }
1587
1588 // WATCH OUT: field names need to be copied
1589 ION_STRING fn;
1590 ION_CHECK(ion_string_copy_to_owner(ser->writer, &fn, &is));
1591 ION_CHECK(ion_writer_write_field_name(ser->writer, &fn));
1592
1593 php_ion_serialize_zval(ser, v);
1594 ION_CATCH();
1595 ZEND_HASH_FOREACH_END();
1596
1597 ION_CHECK(ion_writer_finish_container(ser->writer));
1598 }
1599
1600 LOCAL void php_ion_serialize_list(php_ion_serializer *ser, zend_array *arr)
1601 {
1602 ION_CHECK(ion_writer_start_container(ser->writer, tid_LIST));
1603
1604 zval *v;
1605 ZEND_HASH_FOREACH_VAL_IND(arr, v)
1606 php_ion_serialize_zval(ser, v);
1607 ION_CATCH();
1608 ZEND_HASH_FOREACH_END();
1609
1610 ION_CHECK(ion_writer_finish_container(ser->writer));
1611 }
1612
1613 LOCAL void php_ion_serialize_array(php_ion_serializer *ser, zend_array *arr)
1614 {
1615 if (zend_array_is_list(arr)) {
1616 php_ion_serialize_list(ser, arr);
1617 } else {
1618 php_ion_serialize_struct(ser, arr, false, false);
1619 }
1620 }
1621
1622 LOCAL void php_ion_serialize_object_iface(php_ion_serializer *ser, zend_object *zobject)
1623 {
1624 uint8_t *buf;
1625 size_t len;
1626 zval tmp;
1627
1628 ZVAL_OBJ(&tmp, zobject);
1629 if (SUCCESS == zobject->ce->serialize(&tmp, &buf, &len, NULL)) {
1630 ION_STRING is;
1631 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_SERIALIZEABLE));
1632 ION_CHECK(ion_writer_add_annotation(ser->writer, ion_string_from_zend(&is, zobject->ce->name)));
1633 ION_CHECK(ion_writer_write_clob(ser->writer, buf, len));
1634 efree(buf);
1635 } else if (!EG(exception)){
1636 zend_throw_exception_ex(spl_ce_UnexpectedValueException, IERR_INTERNAL_ERROR,
1637 "Failed to serialize class %s", zobject->ce->name->val);
1638 }
1639 }
1640
1641 LOCAL void php_ion_serialize_object_magic(php_ion_serializer *ser, zend_object *zobject, zend_function *fn)
1642 {
1643 zval rv;
1644
1645 ZVAL_NULL(&rv);
1646 zend_call_known_instance_method_with_0_params(fn ? fn : zobject->ce->__serialize, zobject, &rv);
1647 ION_CATCH();
1648
1649 if (IS_ARRAY == Z_TYPE(rv)) {
1650 ION_STRING is;
1651 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, fn ? &PHP_ION_SYMBOL_CUSTOM_OBJECT : &PHP_ION_SYMBOL_MAGIC_OBJECT));
1652 ION_CHECK(ion_writer_add_annotation(ser->writer, ion_string_from_zend(&is, zobject->ce->name)));
1653 php_ion_serialize_zval(ser, &rv);
1654 zval_ptr_dtor(&rv);
1655 } else {
1656 zend_throw_exception_ex(spl_ce_UnexpectedValueException, IERR_INTERNAL_ERROR,
1657 "%s serializer %s::%s did not return an array",
1658 fn ? "Custom" : "Magic", zobject->ce->name->val,
1659 fn ? fn->common.function_name->val : "__serialize");
1660 }
1661 }
1662
1663 LOCAL void php_ion_serialize_object_enum(php_ion_serializer *ser, zend_object *zobject)
1664 {
1665 ION_STRING is;
1666 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_ENUM));
1667
1668 ION_CHECK(ion_writer_add_annotation(ser->writer, ion_string_from_zend(&is, zobject->ce->name)));
1669 zval *z_cname = zend_enum_fetch_case_name(zobject);
1670 ION_CHECK(ion_writer_write_symbol(ser->writer, ion_string_from_zend(&is, Z_STR_P(z_cname))));
1671 }
1672
1673 LOCAL void php_ion_serialize_object_std(php_ion_serializer *ser, zend_object *zobject)
1674 {
1675 ION_STRING is;
1676
1677 if (zobject->ce != zend_standard_class_def) {
1678 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_CLASS_OBJECT));
1679 ION_CHECK(ion_writer_add_annotation(ser->writer, ion_string_from_zend(&is, zobject->ce->name)));
1680 } else {
1681 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_OBJECT));
1682 }
1683
1684 zval zobj;
1685 ZVAL_OBJ(&zobj, zobject);
1686 HashTable *props = zend_get_properties_for(&zobj, ZEND_PROP_PURPOSE_SERIALIZE);
1687 if (props) {
1688 php_ion_serialize_struct(ser, props, true, true);
1689 zend_release_properties(props);
1690 } else {
1691 zend_throw_exception_ex(spl_ce_UnexpectedValueException, IERR_INTERNAL_ERROR,
1692 "Could not get properties for serialization of class %s",
1693 zobject->ce->name->val);
1694 }
1695 }
1696
1697 LOCAL void php_ion_serialize_object_lob(php_ion_serializer *ser, zend_object *zobject)
1698 {
1699 zval tmp_type, *type = zend_read_property(NULL, zobject, ZEND_STRL("type"), 0, &tmp_type);
1700 zval tmp_value, *value = zend_read_property(NULL, zobject, ZEND_STRL("value"), 0, &tmp_value);
1701 switch (Z_LVAL_P(zend_enum_fetch_case_value(Z_OBJ_P(type)))) {
1702 case tid_BLOB_INT:
1703 ION_CHECK(ion_writer_write_blob(ser->writer, (BYTE *) Z_STRVAL_P(value), Z_STRLEN_P(value)));
1704 break;
1705 case tid_CLOB_INT:
1706 ION_CHECK(ion_writer_write_clob(ser->writer, (BYTE *) Z_STRVAL_P(value), Z_STRLEN_P(value)));
1707 break;
1708 default:
1709 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
1710 "Unsupported LOB type: ion\\Type::%s", Z_STRVAL_P(zend_enum_fetch_case_name(Z_OBJ_P(type))));
1711 break;
1712 }
1713 }
1714
1715 LOCAL bool can_call_magic_serialize(php_ion_serializer *ser, zend_class_entry *ce)
1716 {
1717 return ce->__serialize && ser->call_magic;
1718 }
1719
1720 LOCAL bool can_call_iface_serialize(php_ion_serializer *ser, zend_class_entry *ce)
1721 {
1722 (void) ser;
1723 return !!ce->serialize; // NOLINT
1724 }
1725
1726 LOCAL bool can_call_custom_serialize(php_ion_serializer *ser, zend_object *zobject, zend_function **fn)
1727 {
1728 if (ser->call_custom) {
1729 return !!(*fn = zend_hash_find_ptr(&zobject->ce->function_table, ser->call_custom)); // NOLINT
1730 }
1731 return false;
1732 }
1733
1734 LOCAL void php_ion_serialize_object(php_ion_serializer *ser, zend_object *zobject)
1735 {
1736 zend_function *fn;
1737 zend_class_entry *ce = zobject->ce;
1738 ZEND_ASSERT(ce);
1739
1740 if (ce->ce_flags & ZEND_ACC_NOT_SERIALIZABLE) {
1741 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
1742 "Serializing %s is not allowed", ce->name->val);
1743 return;
1744 }
1745
1746 if (can_call_magic_serialize(ser, ce)) {
1747 php_ion_serialize_object_magic(ser, zobject, NULL);
1748 } else if (can_call_iface_serialize(ser, ce)) {
1749 php_ion_serialize_object_iface(ser, zobject);
1750 } else if (can_call_custom_serialize(ser, zobject, &fn)) {
1751 php_ion_serialize_object_magic(ser, zobject, fn);
1752 } else if (zobject->ce->ce_flags & ZEND_ACC_ENUM) {
1753 php_ion_serialize_object_enum(ser, zobject);
1754 } else if (ce == ce_Symbol) {
1755 ION_CHECK(ion_writer_write_ion_symbol(ser->writer, &php_ion_obj(symbol, zobject)->sym));
1756 } else if (ce == ce_Decimal) {
1757 ION_CHECK(ion_writer_write_ion_decimal(ser->writer, &php_ion_obj(decimal, zobject)->dec));
1758 } else if (ce == ce_Timestamp) {
1759 ION_TIMESTAMP its;
1760 php_ion_timestamp *pts = php_ion_obj(timestamp, zobject);
1761 decContext *ctx = ser->options ? ser->options->decimal_context : NULL;
1762 ION_CHECK(ion_writer_write_timestamp(ser->writer, ion_timestamp_from_php(&its, pts, ctx)));
1763 } else if (ce == ce_LOB) {
1764 php_ion_serialize_object_lob(ser, zobject);
1765 } else {
1766 php_ion_serialize_object_std(ser, zobject);
1767 }
1768 }
1769
1770 LOCAL bool php_ion_serialize_system_value(php_ion_serializer *ser, zval *zv)
1771 {
1772 if (1 == php_ion_globals.serializer.level) {
1773 if (Z_TYPE_P(zv) == IS_OBJECT) {
1774 if (Z_OBJCE_P(zv) == ce_Symbol_Table_Shared) {
1775 php_ion_symbol_table *obj = php_ion_obj(symbol_table, Z_OBJ_P(zv));
1776 ION_CHECK_RETURN(true, ion_symbol_table_unload(obj->tab, ser->writer));
1777 return true;
1778 }
1779 }
1780 }
1781 return false;
1782 }
1783
1784 LOCAL bool php_ion_serialize_backref(php_ion_serializer *ser, zval *zv)
1785 {
1786 if (Z_TYPE_P(zv) == IS_STRING && Z_STR_P(zv) == zend_empty_string) {
1787 return false;
1788 }
1789 if (Z_TYPE_P(zv) == IS_ARRAY && Z_ARR_P(zv) == &zend_empty_array) {
1790 return false;
1791 }
1792
1793 zend_ulong idx = (zend_ulong) (uintptr_t) Z_COUNTED_P(zv);
1794 zval *ref = zend_hash_index_find(ser->ids, idx);
1795 if (!ref) {
1796 zval num;
1797
1798 ZVAL_LONG(&num, zend_hash_num_elements(ser->ids));
1799 zend_hash_index_add(ser->ids, idx, &num);
1800
1801 Z_TRY_ADDREF_P(zv);
1802 zend_hash_next_index_insert(ser->tmp, zv);
1803
1804 return false;
1805 }
1806
1807 ION_CHECK_RETURN(true, ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_BACKREF));
1808 ION_CHECK_RETURN(true, ion_writer_write_int64(ser->writer, Z_LVAL_P(ref)));
1809 return true;
1810 }
1811
1812 LOCAL void php_ion_serialize_refcounted(php_ion_serializer *ser, zval *zv)
1813 {
1814 if (php_ion_serialize_system_value(ser, zv)) {
1815 return;
1816 }
1817 if (php_ion_serialize_backref(ser, zv)) {
1818 return;
1819 }
1820
1821 ION_STRING is;
1822 switch (Z_TYPE_P(zv)) {
1823 case IS_STRING:
1824 ION_CHECK(ion_writer_write_string(ser->writer, ion_string_from_zend(&is, Z_STR_P(zv))));
1825 break;
1826
1827 case IS_ARRAY:
1828 php_ion_serialize_array(ser, Z_ARRVAL_P(zv));
1829 break;
1830
1831 case IS_OBJECT:
1832 php_ion_serialize_object(ser, Z_OBJ_P(zv));
1833 break;
1834
1835 case IS_REFERENCE:
1836 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_REFERENCE));
1837 php_ion_serialize_zval(ser, Z_REFVAL_P(zv));
1838 break;
1839 }
1840 }
1841
1842 LOCAL void php_ion_serialize_zval(php_ion_serializer *ser, zval *zv)
1843 {
1844 OBJ_CHECK(ser);
1845
1846 switch (Z_TYPE_P(zv)) {
1847 case IS_NULL:
1848 ION_CHECK(ion_writer_write_null(ser->writer));
1849 break;
1850 case IS_TRUE:
1851 ION_CHECK(ion_writer_write_bool(ser->writer, TRUE));
1852 break;
1853 case IS_FALSE:
1854 ION_CHECK(ion_writer_write_bool(ser->writer, FALSE));
1855 break;
1856 case IS_LONG:
1857 ION_CHECK(ion_writer_write_int64(ser->writer, Z_LVAL_P(zv)));
1858 break;
1859 case IS_DOUBLE:
1860 ION_CHECK(ion_writer_write_double(ser->writer, Z_DVAL_P(zv)));
1861 break;
1862 case IS_STRING:
1863 case IS_ARRAY:
1864 case IS_OBJECT:
1865 case IS_REFERENCE:
1866 php_ion_serialize_refcounted(ser, zv);
1867 break;
1868 default:
1869 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
1870 "Failed to serialize value of type %s", zend_zval_type_name(zv));
1871 }
1872 }
1873
1874 #define php_ion_serializer_php_copy(o,n)
1875 php_ion_decl(serializer_php, Serializer_PHP);
1876 #define clone_ion_Serializer_PHP NULL
1877
1878 LOCAL void php_ion_serialize_ex(php_ion_serializer *ser, zval *zv)
1879 {
1880 HashPosition pos;
1881 HashTable *arr = NULL;
1882
1883 if (ser->multi_seq) {
1884 if (Z_TYPE_P(zv) != IS_ARRAY || !zend_array_is_list(Z_ARRVAL_P(zv))) {
1885 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
1886 "Expected a packed, consecutively numerically indexed array as argument to the multi sequence serializer");
1887 return;
1888 }
1889
1890 arr = Z_ARRVAL_P(zv);
1891
1892 zend_hash_internal_pointer_reset_ex(arr, &pos);
1893 zv = zend_hash_get_current_data_ex(arr, &pos);
1894 }
1895
1896 while (zv) {
1897 php_ion_globals_serializer_step();
1898 php_ion_serialize_zval(ser, zv);
1899 php_ion_globals_serializer_exit();
1900
1901 if (!ser->multi_seq) {
1902 break;
1903 }
1904 zend_hash_move_forward_ex(arr, &pos);
1905 zv = zend_hash_get_current_data_ex(arr, &pos);
1906 }
1907 }
1908
1909 void php_ion_serialize(php_ion_serializer *ser, zval *zv, zval *return_value)
1910 {
1911 zend_object *zo_opt = NULL, *zo_ser = NULL;
1912
1913 if (!ser) {
1914 zo_ser = create_ion_Serializer_PHP(NULL);
1915 php_ion_serializer_php *o_ser = php_ion_obj(serializer_php, zo_ser);
1916 PTR_CHECK(o_ser);
1917 o_ser->serializer.call_magic = true;
1918 php_ion_serializer_php_ctor(o_ser);
1919 ION_CATCH();
1920 ser = &o_ser->serializer;
1921 }
1922
1923 zend_object *zo_writer = create_ion_Writer_Writer(ce_Writer_Buffer_Writer);
1924 php_ion_writer *writer = php_ion_obj(writer, zo_writer);
1925 writer->type = BUFFER_WRITER;
1926
1927 if (ser->options) {
1928 zo_opt = writer->opt = php_ion_writer_options_new();
1929 php_ion_obj(writer_options, writer->opt)->opt = *ser->options;
1930 }
1931
1932 php_ion_writer_ctor(writer);
1933 ser->writer = writer->writer;
1934 ser->buffer = &writer->buffer.str;
1935
1936 if (!EG(exception)) {
1937 php_ion_serialize_ex(ser, zv);
1938 }
1939
1940 /* make sure to flush when done, else str.s might not contain everything until the writer is closed */
1941 ion_writer_flush(ser->writer, NULL);
1942 RETVAL_STR_COPY(ser->buffer->s);
1943
1944 OBJ_RELEASE(zo_writer);
1945 if (zo_opt) {
1946 OBJ_RELEASE(zo_opt);
1947 }
1948 if (zo_ser) {
1949 OBJ_RELEASE(zo_ser);
1950 }
1951 }
1952
1953 typedef struct php_ion_unserializer_php {
1954 php_ion_unserializer unserializer;
1955 zend_object *opt, std;
1956 } php_ion_unserializer_php;
1957
1958 LOCAL void php_ion_unserializer_php_ctor(php_ion_unserializer_php *ser_obj)
1959 {
1960 php_ion_unserializer *global_ser = &php_ion_globals.unserializer;
1961 ser_obj->unserializer.ids = global_ser->ids;
1962 ser_obj->unserializer.tmp = global_ser->tmp;
1963 ser_obj->unserializer.addref = global_ser->addref;
1964
1965 zend_update_property_bool(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("multiSequence"),
1966 ser_obj->unserializer.multi_seq);
1967 zend_update_property_bool(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callMagicUnserialize"),
1968 ser_obj->unserializer.call_magic);
1969 if (ser_obj->unserializer.call_custom) {
1970 zend_update_property_str(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callCustomUnserialize"),
1971 ser_obj->unserializer.call_custom);
1972 ser_obj->unserializer.call_custom = zend_string_tolower(ser_obj->unserializer.call_custom);
1973 } else {
1974 zend_update_property_null(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callCustomUnserialize"));
1975 }
1976 if (!ser_obj->opt) {
1977 ser_obj->opt = php_ion_reader_options_new();
1978 } else {
1979 GC_ADDREF(ser_obj->opt);
1980 }
1981 ser_obj->unserializer.options = &php_ion_obj(reader_options, ser_obj->opt)->opt;
1982 update_property_obj(&ser_obj->std, ZEND_STRL("readerOptions"), ser_obj->opt);
1983 GC_DELREF(ser_obj->opt);
1984 }
1985
1986 LOCAL void php_ion_unserializer_php_dtor(php_ion_unserializer_php *obj)
1987 {
1988 if (obj->unserializer.call_custom) {
1989 zend_string_release(obj->unserializer.call_custom);
1990 }
1991 }
1992
1993 LOCAL void php_ion_unserialize_zval(php_ion_unserializer *ser, zval *return_value, ION_TYPE *typ);
1994
1995 LOCAL bool can_call_magic_unserialize(php_ion_unserializer *ser, zend_class_entry *ce)
1996 {
1997 return (ce && ce->__unserialize && ser->call_magic);
1998 }
1999
2000 LOCAL bool can_call_iface_unserialize(php_ion_unserializer *ser, zend_class_entry *ce)
2001 {
2002 return (ce && ce->unserialize);
2003 }
2004
2005 LOCAL bool can_call_custom_unserialize(php_ion_unserializer *ser, zend_object *zobject, zend_function **fn)
2006 {
2007 if (ser->call_custom) {
2008 return !!(*fn = zend_hash_find_ptr(&zobject->ce->function_table, ser->call_custom)); // NOLINT
2009 }
2010 return false;
2011 }
2012
2013 LOCAL zval *php_ion_unserialize_class(php_ion_unserializer *ser, zval *return_value)
2014 {
2015 zend_class_entry *ce = zend_lookup_class(ser->annotations.object_class);
2016
2017 if (ce) {
2018 object_init_ex(return_value, ce);
2019 return zend_hash_next_index_insert(ser->ids, return_value);
2020 }
2021
2022 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_IMPORT_NOT_FOUND,
2023 "Could not find class %s", ser->annotations.object_class->val);
2024 return NULL;
2025 }
2026
2027 LOCAL void php_ion_unserialize_object_enum(php_ion_unserializer *ser, zval *return_value)
2028 {
2029 zend_string *zs_case = zval_get_string(return_value);
2030 ION_CATCH();
2031
2032 zend_class_entry *ce = zend_lookup_class(ser->annotations.object_class);
2033 if (!ce || !(ce->ce_flags & ZEND_ACC_ENUM)) {
2034 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2035 "Not a valid enum: %s", ser->annotations.object_class->val);
2036 return;
2037 }
2038 if (!zend_hash_exists(CE_CONSTANTS_TABLE(ce), zs_case)) {
2039 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2040 "Not a valid enum case: %s::%s", ser->annotations.object_class->val, zs_case->val);
2041 return;
2042 }
2043 RETVAL_OBJ_COPY(zend_enum_get_case(ce, zs_case));
2044 zend_hash_next_index_insert(ser->ids, return_value);
2045 zend_string_release(zs_case);
2046 }
2047
2048 LOCAL void php_ion_unserialize_object_iface(php_ion_unserializer *ser, zval *return_value)
2049 {
2050 zend_class_entry *ce = zend_lookup_class(ser->annotations.object_class);
2051 if (can_call_iface_unserialize(ser, ce)) {
2052 zend_string *s = zval_get_string(return_value);
2053 ZVAL_NULL(return_value);
2054 zval *backref = zend_hash_next_index_insert(ser->ids, return_value);
2055 if (SUCCESS == ce->unserialize(backref, ce, (BYTE *) s->val, s->len, NULL)) {
2056 RETVAL_ZVAL(backref, 0, 0);
2057 } else if (!EG(exception)) {
2058 zend_throw_exception_ex(spl_ce_UnexpectedValueException, IERR_INTERNAL_ERROR,
2059 "Failed to unserialize class %s", ce->name->val);
2060 }
2061 zend_string_release(s);
2062 } else {
2063 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2064 "Class %s does not implement Serializable", ser->annotations.object_class->val);
2065 }
2066 }
2067
2068 LOCAL void php_ion_unserialize_field_name_ex(php_ion_unserializer *ser, ION_STRING *name, SID *sid)
2069 {
2070 ION_CHECK(ion_reader_get_field_name(ser->reader, name));
2071 if (!name->length) {
2072 ION_SYMBOL *is_ptr;
2073 ION_CHECK(ion_reader_get_field_name_symbol(ser->reader, &is_ptr));
2074 if (!ION_SYMBOL_IS_NULL(is_ptr) && is_ptr->value.length) {
2075 ION_STRING_ASSIGN(name, &is_ptr->value);
2076 } else {
2077 *sid = is_ptr->sid;
2078 }
2079 }
2080 }
2081
2082 LOCAL void php_ion_unserialize_field_name(php_ion_unserializer *ser, zend_string **key, bool is_prop)
2083 {
2084 // FIXME: symbol table
2085 ION_STRING name;
2086 SID sid = UNKNOWN_SID;
2087 char buf[MAX_LENGTH_OF_LONG + 1 + 1] = {0}, *end = buf + sizeof(buf) - 1, *ptr;
2088
2089 php_ion_unserialize_field_name_ex(ser, &name, &sid);
2090 ION_CATCH();
2091
2092 switch (name.length) {
2093 case 0:
2094 ptr = zend_print_long_to_buf(end, sid);
2095 *--ptr = '$';
2096 *key = zend_string_init(ptr, end - ptr, 0);
2097 break;
2098 case 1:
2099 *key = zend_one_char_string[*name.value];
2100 break;
2101 default:
2102 if (is_prop) {
2103 *key = zend_string_init_interned((char *) name.value, name.length, 0);
2104 } else {
2105 *key = zend_string_from_ion(&name);
2106 }
2107 break;
2108 }
2109 }
2110
2111 static void php_ion_unserialize_props(php_ion_unserializer *ser, zval *return_value)
2112 {
2113 zend_hash_next_index_insert(ser->ids, return_value);
2114
2115 ION_CHECK(ion_reader_step_in(ser->reader));
2116
2117 while (true) {
2118 ION_TYPE typ;
2119 ION_CHECK(ion_reader_next(ser->reader, &typ));
2120
2121 if (typ == tid_EOF) {
2122 break;
2123 }
2124
2125 zend_string *key;
2126 php_ion_unserialize_field_name(ser, &key, true);
2127 ION_CATCH();
2128
2129 zval zvalue;
2130 php_ion_unserialize_zval(ser, &zvalue, &typ);
2131 ION_CATCH(zend_string_release(key));
2132
2133 zend_class_entry *ce = Z_OBJCE_P(return_value);
2134 if (ser->annotations.object_prop && ser->annotations.property_class->val[0] != '*') {
2135 ce = zend_lookup_class(ser->annotations.property_class);
2136 }
2137 zend_update_property_ex(ce, Z_OBJ_P(return_value), key, &zvalue);
2138 zval_ptr_dtor(&zvalue);
2139 zend_string_release(key);
2140 }
2141
2142 ION_CHECK(ion_reader_step_out(ser->reader));
2143 }
2144
2145 /**
2146 * @link https://amzn.github.io/ion-docs/docs/spec.html#struct
2147 * When two fields in the same struct have the same name [...] Implementations must preserve all such fields,
2148 * i.e., they may not discard fields that have repeated names. However, implementations may reorder fields
2149 * (the binary format identifies structs that are sorted by symbolID), so certain operations may lead to
2150 * nondeterministic behavior.
2151 */
2152 LOCAL void php_ion_unserialize_hash(php_ion_unserializer *ser, zval *return_value)
2153 {
2154 zend_hash_next_index_insert(ser->ids, return_value);
2155
2156 ION_CHECK(ion_reader_step_in(ser->reader));
2157
2158 while (true) {
2159 ION_TYPE typ;
2160 ION_CHECK(ion_reader_next(ser->reader, &typ));
2161
2162 if (typ == tid_EOF) {
2163 break;
2164 }
2165
2166 zend_string *key;
2167 php_ion_unserialize_field_name(ser, &key, false);
2168 ION_CATCH();
2169
2170 zval zvalue;
2171 php_ion_unserialize_zval(ser, &zvalue, &typ);
2172 ION_CATCH(zend_string_release(key));
2173
2174 // FIXME:: too naive; b0rked if the previous value is an array
2175 if (zend_symtable_exists(HASH_OF(return_value), key)) {
2176 zval tmp, *prev = zend_hash_find(HASH_OF(return_value), key);
2177 if (Z_TYPE_P(prev) != IS_ARRAY) {
2178 array_init(&tmp);
2179 Z_TRY_ADDREF_P(prev);
2180 zend_hash_next_index_insert(Z_ARRVAL(tmp), prev);
2181 prev = zend_hash_update(HASH_OF(return_value), key, &tmp);
2182 }
2183 zend_hash_next_index_insert(Z_ARRVAL_P(prev), &zvalue);
2184 } else {
2185 zend_symtable_update(HASH_OF(return_value), key, &zvalue);
2186 }
2187 zend_string_release(key);
2188 }
2189
2190 ION_CHECK(ion_reader_step_out(ser->reader));
2191 }
2192
2193 LOCAL void verify_unserializer(php_ion_unserializer *ser, zend_object *zobject, zend_function **fn)
2194 {
2195 switch (ser->annotations.object_type) {
2196 case 'c':
2197 *fn = NULL;
2198 break;
2199
2200 case 'C':
2201 if (!can_call_custom_unserialize(ser, zobject, fn)) {
2202 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2203 "Could not find custom serializer method of %s", ser->annotations.object_class->val);
2204 }
2205 break;
2206
2207 case 'O':
2208 if (!can_call_magic_unserialize(ser, zobject->ce)) {
2209 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2210 "Could not find method %s::__unserialize()", ser->annotations.object_class->val);
2211 }
2212 *fn = zobject->ce->__unserialize;
2213 break;
2214
2215 default:
2216 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2217 "Invalid object type %c", ser->annotations.object_type);
2218 }
2219 }
2220
2221 LOCAL void php_ion_unserialize_object(php_ion_unserializer *ser, zval *return_value)
2222 {
2223 // backup possible backref to array returned by magic/custom __serialize()
2224 zval *input = zend_hash_next_index_insert(ser->tmp, return_value);
2225
2226 php_ion_unserialize_class(ser, return_value);
2227 ION_CATCH();
2228
2229 zend_function *fn = NULL;
2230 zend_object *zobject = Z_OBJ_P(return_value);
2231 verify_unserializer(ser, zobject, &fn);
2232 ION_CATCH();
2233
2234 // plain object
2235 if (!fn) {
2236 php_ion_unserialize_props(ser, return_value);
2237 return;
2238 }
2239
2240 // magic object
2241 if (Z_TYPE_P(input) != IS_ARRAY) {
2242 zval_ptr_dtor(input);
2243 array_init(input);
2244 zend_hash_real_init_mixed(Z_ARRVAL_P(input));
2245 php_ion_unserialize_hash(ser, input);
2246 ION_CATCH();
2247 }
2248 zval rv;
2249 ZVAL_NULL(&rv);
2250 zend_call_method_with_1_params(zobject, zobject->ce, &fn, "", &rv, input);
2251 zval_ptr_dtor(&rv);
2252 }
2253
2254 LOCAL void php_ion_unserialize_struct(php_ion_unserializer *ser, zval *return_value)
2255 {
2256 if (ser->annotations.object_class) {
2257 switch (ser->annotations.object_type) {
2258 case 'S':
2259 php_ion_unserialize_object_iface(ser, return_value);
2260 break;
2261 case 'E':
2262 php_ion_unserialize_object_enum(ser, return_value);
2263 break;
2264 default:
2265 php_ion_unserialize_object(ser, return_value);
2266 }
2267 } else if (!ser->annotations.object_type) {
2268 bool is_shared_symtab = ser->annotations.shared_symtab;
2269 array_init(return_value);
2270 php_ion_unserialize_hash(ser, return_value);
2271 if (is_shared_symtab) {
2272 zval zobj;
2273 object_init_ex(&zobj, ce_Symbol_Table_Shared);
2274 zend_call_known_function(Z_OBJCE(zobj)->constructor, Z_OBJ(zobj), Z_OBJCE(zobj), NULL, 0, NULL, Z_ARRVAL_P(return_value));
2275 zval_ptr_dtor(return_value);
2276 RETURN_COPY_VALUE(&zobj);
2277 }
2278 } else if (ser->annotations.object_type == 'o') {
2279 object_init(return_value);
2280 php_ion_unserialize_hash(ser, return_value);
2281 } else {
2282 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2283 "Invalid object annotation %c::", ser->annotations.object_type);
2284 }
2285 }
2286
2287 LOCAL void php_ion_unserialize_list(php_ion_unserializer *ser, zval *return_value)
2288 {
2289 ION_CHECK(ion_reader_step_in(ser->reader));
2290 array_init(return_value);
2291 zend_hash_next_index_insert(ser->ids, return_value);
2292
2293 while (true) {
2294 ION_TYPE typ;
2295 ION_CHECK(ion_reader_next(ser->reader, &typ));
2296
2297 if (typ == tid_EOF) {
2298 break;
2299 }
2300
2301 zval next;
2302 php_ion_unserialize_zval(ser, &next, &typ);
2303 ION_CATCH();
2304
2305 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &next);
2306 }
2307
2308 ION_CHECK(ion_reader_step_out(ser->reader));
2309 }
2310
2311 LOCAL void php_ion_reader_read_lob(ION_READER *reader, zval *return_value)
2312 {
2313 zend_string *zstr = zend_string_alloc(0x1000, 0);
2314 again: ;
2315 SIZE read = 0;
2316 iERR err = ion_reader_read_lob_bytes(reader, (BYTE *) zstr->val, (SIZE) zstr->len, &read);
2317 if (err == IERR_BUFFER_TOO_SMALL) {
2318 zstr = zend_string_extend(zstr, zstr->len << 2, 0);
2319 goto again;
2320 }
2321 ION_CHECK(err, zend_string_release(zstr));
2322 if (zstr->len > read) {
2323 zstr->val[read] = 0;
2324 zstr = zend_string_truncate(zstr, read, 0);
2325 }
2326 RETURN_STR(zstr);
2327 }
2328
2329 LOCAL void php_ion_reader_read_timestamp(ION_READER *reader, ION_READER_OPTIONS *opt, zval *return_value)
2330 {
2331 ION_TIMESTAMP ts;
2332 ION_CHECK(ion_reader_read_timestamp(reader, &ts));
2333
2334 object_init_ex(return_value, ce_Timestamp);
2335 php_ion_timestamp *ts_obj = php_ion_obj(timestamp, Z_OBJ_P(return_value));
2336
2337 zend_string *fmt = NULL;
2338 decContext *ctx = opt ? opt->decimal_context : NULL;
2339 ts_obj->time = php_time_from_ion(&ts, ctx, &fmt);
2340 php_ion_timestamp_ctor(ts_obj, ts.precision, fmt, NULL, NULL);
2341 zend_string_release(fmt);
2342
2343 OBJ_CHECK(ts_obj);
2344 }
2345
2346 LOCAL void php_ion_reader_read_int(ION_READER *reader, zval *return_value)
2347 {
2348 ION_INT *num = NULL;
2349 ION_CHECK(ion_int_alloc(reader, &num));
2350 ION_CHECK(ion_reader_read_ion_int(reader, num));
2351
2352 // TODO: SIZEOF_ZEND_LONG == 4
2353 int64_t i64;
2354 iERR err = ion_int_to_int64(num, &i64);
2355 switch (err) {
2356 case IERR_OK:
2357 RETVAL_LONG(i64);
2358 goto done;
2359
2360 case IERR_NUMERIC_OVERFLOW: ;
2361 SIZE max, len;
2362 ION_CHECK(ion_int_char_length(num, &max));
2363 zend_string *zs = zend_string_alloc(max, 0);
2364
2365 err = ion_int_to_char(num, (BYTE *) zs->val, max, &len);
2366 zs->val[zs->len = len] = 0;
2367 RETVAL_STR(zs);
2368 /* fall through */
2369
2370 default:
2371 done:
2372 ion_int_free(num);
2373 ION_CHECK(err);
2374 }
2375 }
2376
2377 LOCAL void php_ion_unserialize_backref(php_ion_unserializer *ser, zval *return_value)
2378 {
2379 zval *backref = zend_hash_index_find(ser->ids, Z_LVAL_P(return_value));
2380
2381 if (backref) {
2382 ZVAL_COPY_VALUE(return_value, backref);
2383 zend_hash_next_index_insert(ser->addref, return_value);
2384 } else {
2385 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INTERNAL_ERROR,
2386 "Could not find back reference " ZEND_LONG_FMT, Z_LVAL_P(return_value));
2387 }
2388 }
2389
2390 LOCAL void php_ion_unserialize_annotations(php_ion_unserializer *ser)
2391 {
2392 memset(&ser->annotations, 0, sizeof(ser->annotations));
2393
2394 int32_t ann_cnt;
2395 ION_CHECK(ion_reader_get_annotation_count(ser->reader, &ann_cnt));
2396 for (int32_t i = 0; i < ann_cnt; ++i) {
2397 ION_STRING ann_str;
2398 ION_CHECK(ion_reader_get_an_annotation(ser->reader, i, &ann_str));
2399
2400 if (ann_str.length != 1) {
2401 if (ION_STRING_EQUALS(&ann_str, &ION_SYMBOL_SHARED_SYMBOL_TABLE_STRING)) {
2402 ser->annotations.shared_symtab = true;
2403 }
2404 continue;
2405 }
2406
2407 switch (*ann_str.value) {
2408 case 'R':
2409 if (ser->annotations.makeref) {
2410 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2411 "Invalid multiple reference annotations");
2412 return;
2413 }
2414 ser->annotations.makeref = true;
2415 break;
2416
2417 case 'r':
2418 if (ser->annotations.backref) {
2419 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2420 "Invalid multiple back reference annotations");
2421 return;
2422 }
2423 ser->annotations.backref = true;
2424 break;
2425
2426 case 'p':
2427 if (ser->annotations.object_prop) {
2428 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2429 "Invalid multiple object property annotations");
2430 return;
2431 }
2432 ser->annotations.object_prop = true;
2433
2434 ION_STRING prop_class;
2435 ION_CHECK(ion_reader_get_an_annotation(ser->reader, ++i, &prop_class));
2436 ser->annotations.property_class = zend_string_from_ion(&prop_class);
2437
2438 zval zptmp;
2439 ZVAL_STR(&zptmp, ser->annotations.property_class);
2440 zend_hash_next_index_insert(ser->tmp, &zptmp);
2441 break;
2442
2443 case 'E':
2444 case 'S':
2445 case 'O':
2446 case 'C':
2447 case 'o':
2448 case 'c':
2449 if (ser->annotations.object_type) {
2450 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2451 "Invalid multiple object type annotations: %c::%c",
2452 ser->annotations.object_type, *ann_str.value);
2453 return;
2454 }
2455 if ('o' != (ser->annotations.object_type = *ann_str.value)) {
2456 ION_STRING class_name;
2457 ION_CHECK(ion_reader_get_an_annotation(ser->reader, ++i, &class_name));
2458 ser->annotations.object_class = zend_string_from_ion(&class_name);
2459
2460 zval zctmp;
2461 ZVAL_STR(&zctmp, ser->annotations.object_class);
2462 zend_hash_next_index_insert(ser->tmp, &zctmp);
2463 }
2464 break;
2465 }
2466
2467 // sanity checks
2468 if (ser->annotations.object_type && ser->annotations.object_type != 'o' && !ser->annotations.object_class) {
2469 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2470 "Invalid object annotation without class name: %c::", ser->annotations.object_type);
2471 return;
2472 }
2473 if (ser->annotations.object_type == 'o' && ser->annotations.object_class) {
2474 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2475 "Invalid object annotation with class name: o::%s", ser->annotations.object_class->val);
2476 return;
2477 }
2478 }
2479 }
2480
2481 LOCAL void php_ion_unserialize_zval(php_ion_unserializer *ser, zval *return_value, ION_TYPE *typ)
2482 {
2483 if (typ) {
2484 memcpy(&ser->type, typ, sizeof(ser->type)); // NOLINT
2485 } else {
2486 typ = &ser->type;
2487 ION_CHECK(ion_reader_next(ser->reader, typ));
2488 }
2489
2490 php_ion_unserialize_annotations(ser);
2491 ION_CATCH();
2492
2493 if (ser->annotations.makeref) {
2494 ZVAL_MAKE_REF(return_value);
2495 zend_hash_next_index_insert(ser->ids, return_value);
2496 ZVAL_DEREF(return_value);
2497 }
2498
2499 if (ION_TYPE_INT(*typ) > 0) {
2500 BOOL is_null;
2501 ION_CHECK(ion_reader_is_null(ser->reader, &is_null));
2502 if (is_null) {
2503 RETURN_NULL();
2504 }
2505 }
2506
2507 switch (ION_TYPE_INT(*typ)) {
2508 case tid_NULL_INT:
2509 ION_CHECK(ion_reader_read_null(ser->reader, typ));
2510 RETURN_NULL();
2511
2512 case tid_BOOL_INT: ;
2513 BOOL bval;
2514 ION_CHECK(ion_reader_read_bool(ser->reader, &bval));
2515 RETURN_BOOL(bval);
2516
2517 case tid_INT_INT:
2518 php_ion_reader_read_int(ser->reader, return_value);
2519 if (ser->annotations.backref) {
2520 ION_CATCH();
2521 php_ion_unserialize_backref(ser, return_value);
2522 }
2523 if (ser->annotations.object_type) {
2524 if (!ser->annotations.backref) {
2525 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2526 "Invalid object type annotation: %c::" ZEND_LONG_FMT,
2527 ser->annotations.object_type, Z_LVAL_P(return_value));
2528 return;
2529 }
2530 goto unserialize_struct;
2531 }
2532 return;
2533
2534 case tid_FLOAT_INT: ;
2535 double d;
2536 ION_CHECK(ion_reader_read_double(ser->reader, &d));
2537 RETURN_DOUBLE(d);
2538
2539 case tid_DECIMAL_INT:
2540 object_init_ex(return_value, ce_Decimal);
2541 php_ion_decimal *dec = php_ion_obj(decimal, Z_OBJ_P(return_value));
2542 ION_CHECK(ion_reader_read_ion_decimal(ser->reader, &dec->dec));
2543 php_ion_decimal_ctor(dec);
2544 zend_hash_next_index_insert(ser->ids, return_value);
2545 return;
2546
2547 case tid_TIMESTAMP_INT:
2548 php_ion_reader_read_timestamp(ser->reader, ser->options, return_value);
2549 zend_hash_next_index_insert(ser->ids, return_value);
2550 return;
2551
2552 case tid_SYMBOL_INT: ;
2553 ION_SYMBOL sym;
2554 ION_CHECK(ion_reader_read_ion_symbol(ser->reader, &sym));
2555 php_ion_symbol_zval(&sym, return_value);
2556 if (ser->annotations.object_type) {
2557 zend_hash_next_index_insert(ser->tmp, return_value);
2558 goto unserialize_struct;
2559 }
2560 zend_hash_next_index_insert(ser->ids, return_value);
2561 return;
2562
2563 case tid_STRING_INT: ;
2564 ION_STRING str;
2565 ION_CHECK(ion_reader_read_string(ser->reader, &str));
2566 RETVAL_STRINGL((char *) str.value, str.length);
2567 if (ser->annotations.object_type) {
2568 zend_hash_next_index_insert(ser->tmp, return_value);
2569 goto unserialize_struct;
2570 }
2571 zend_hash_next_index_insert(ser->ids, return_value);
2572 return;
2573
2574 case tid_CLOB_INT:
2575 case tid_BLOB_INT:
2576 php_ion_reader_read_lob(ser->reader, return_value);
2577 if (ser->annotations.object_type) {
2578 zend_hash_next_index_insert(ser->tmp, return_value);
2579 goto unserialize_struct;
2580 }
2581 zend_hash_next_index_insert(ser->ids, return_value);
2582 return;
2583
2584 case tid_LIST_INT:
2585 case tid_SEXP_INT: // FIXME
2586 php_ion_unserialize_list(ser, return_value);
2587 if (!ser->annotations.object_type) {
2588 return;
2589 }
2590 /* fall through */
2591
2592 case tid_STRUCT_INT:
2593 unserialize_struct: ;
2594 php_ion_unserialize_struct(ser, return_value);
2595 return;
2596
2597 case tid_none_INT:
2598 ZEND_ASSERT(0);
2599 break;
2600
2601 case tid_DATAGRAM_INT:
2602 ZEND_ASSERT(!"datagram");
2603 case tid_EOF_INT:
2604 return;
2605 }
2606 }
2607
2608 #define php_ion_unserializer_php_copy(o,n)
2609 php_ion_decl(unserializer_php, Unserializer_PHP);
2610 #define clone_ion_Unserializer_PHP NULL
2611
2612 LOCAL void php_ion_unserialize_ex(php_ion_unserializer *ser, zval *return_value)
2613 {
2614 if (ser->multi_seq) {
2615 array_init(return_value);
2616 }
2617
2618 do {
2619 zval tmp;
2620 ZVAL_NULL(&tmp);
2621 php_ion_globals_unserializer_step();
2622 php_ion_unserialize_zval(ser, &tmp, NULL);
2623 php_ion_globals_unserializer_exit();
2624 ION_CATCH(zval_ptr_dtor(&tmp));
2625
2626 if (!ser->multi_seq) {
2627 RETURN_COPY_VALUE(&tmp);
2628 } else if (ser->type != tid_EOF) {
2629 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &tmp);
2630 }
2631 } while (ser->type != tid_EOF);
2632 }
2633
2634 void php_ion_unserialize(php_ion_unserializer *ser, zval *zdata, zval *return_value)
2635 {
2636 zend_object *zo_opt = NULL, *zo_ser = NULL;
2637
2638 if (!ser) {
2639 zo_ser = create_ion_Unserializer_PHP(NULL);
2640 php_ion_unserializer_php *o_ser = php_ion_obj(unserializer_php, zo_ser);
2641 PTR_CHECK(o_ser);
2642 o_ser->unserializer.call_magic = true;
2643 php_ion_unserializer_php_ctor(o_ser);
2644 ION_CATCH();
2645 ser = &o_ser->unserializer;
2646 }
2647
2648 zend_object *zo_reader;
2649 php_ion_reader *reader;
2650 ZVAL_DEREF(zdata);
2651
2652 if (Z_TYPE_P(zdata) == IS_RESOURCE) {
2653 zo_reader = create_ion_Reader_Reader(ce_Reader_Stream_Reader);
2654 reader = php_ion_obj(reader, zo_reader);
2655 reader->type = STREAM_READER;
2656 php_stream_from_zval_no_verify(reader->stream.ptr, zdata);
2657 } else if (Z_TYPE_P(zdata) <= IS_STRING) {
2658 zo_reader = create_ion_Reader_Reader(ce_Reader_Buffer_Reader);
2659 reader = php_ion_obj(reader, zo_reader);
2660 reader->type = BUFFER_READER;
2661 reader->buffer = zval_get_string(zdata);
2662 } else {
2663 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
2664 "Invalid source to unserialize; expected string or resource");
2665 if (zo_ser) {
2666 OBJ_RELEASE(zo_ser);
2667 }
2668 return;
2669 }
2670
2671 if (ser->options) {
2672 zo_opt = reader->opt = php_ion_reader_options_new();
2673 php_ion_obj(reader_options, reader->opt)->opt = *ser->options;
2674 }
2675
2676 php_ion_reader_ctor(reader);
2677 ser->reader = reader->reader;
2678
2679 if (!EG(exception)) {
2680 php_ion_unserialize_ex(ser, return_value);
2681 }
2682
2683 OBJ_RELEASE(zo_reader);
2684 if (zo_opt) {
2685 OBJ_RELEASE(zo_opt);
2686 }
2687 if (zo_ser) {
2688 OBJ_RELEASE(zo_ser);
2689 }
2690 }
PHP extension for Amazon ION