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