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