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c7212298f935527e19a43b597f10fb0efe616b52
[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 = old_obj->iloc)) {
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 = old_obj->ctx;
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 cache members
1049 php_ion_catalog_ctor(new_obj);
1050 OBJ_CHECK(new_obj);
1051
1052 ION_COLLECTION *col = php_ion_catalog_collection(old_obj);
1053 if (!ION_COLLECTION_IS_EMPTY(col)) {
1054 ION_COLLECTION_CURSOR cur;
1055 ION_COLLECTION_OPEN(col, cur);
1056 while (cur) {
1057 ION_SYMBOL_TABLE **ptr;
1058 ION_COLLECTION_NEXT(cur, ptr);
1059 if (*ptr) {
1060 ION_CHECK(ion_catalog_add_symbol_table(new_obj->cat, *ptr));
1061 }
1062 }
1063 }
1064 }
1065
1066 LOCAL zend_string *ion_symbol_table_to_key(ION_SYMBOL_TABLE *tab)
1067 {
1068 int32_t version;
1069 ION_STRING is;
1070 ION_CHECK_RETURN(NULL, ion_symbol_table_get_name(tab, &is));
1071 ION_CHECK_RETURN(NULL, ion_symbol_table_get_version(tab, &version));
1072
1073 smart_str s = {0};
1074 smart_str_appendl(&s, (char *) is.value, is.length);
1075 smart_str_appendc(&s, ':');
1076 smart_str_append_long(&s, version);
1077 smart_str_0(&s);
1078
1079 return s.s;
1080 }
1081
1082 LOCAL void php_ion_catalog_add_symbol_table(php_ion_catalog *obj, php_ion_symbol_table *tab)
1083 {
1084 OBJ_CHECK(obj);
1085 OBJ_CHECK(tab);
1086
1087 zval tmp;
1088 zval *ztabs = zend_read_property(obj->std.ce, &obj->std, ZEND_STRL("symbolTables"), 0, &tmp);
1089 if (ztabs) {
1090 zend_ulong idx = (uintptr_t) &tab->std.gc;
1091 if (!zend_hash_index_exists(Z_ARRVAL_P(ztabs), idx)) {
1092 zend_string *key = ion_symbol_table_to_key(tab->tab);
1093 if (key) {
1094 ION_CHECK(ion_catalog_add_symbol_table(obj->cat, tab->tab),
1095 zend_string_release(key));
1096 SEPARATE_ARRAY(ztabs);
1097 GC_ADDREF(&tab->std);
1098 add_index_object(ztabs, idx, &tab->std);
1099 GC_ADDREF(&tab->std);
1100 add_assoc_object_ex(ztabs, key->val, key->len, &tab->std);
1101 zend_update_property(obj->std.ce, &obj->std, ZEND_STRL("symbolTables"), ztabs);
1102 zend_string_release(key);
1103 }
1104 }
1105 }
1106 }
1107
1108 LOCAL void php_ion_catalog_symbol_table_zval(php_ion_catalog *obj, ION_SYMBOL_TABLE *tab, zval *return_value)
1109 {
1110 zend_string *key = ion_symbol_table_to_key(tab);
1111 PTR_CHECK(key);
1112
1113 zval tmp;
1114 zval *ztabs = zend_read_property(obj->std.ce, &obj->std, ZEND_STRL("symbolTables"), 0, &tmp);
1115 if (ztabs) {
1116 zval *ztab = zend_hash_find(Z_ARRVAL_P(ztabs), key);
1117 if (ztab) {
1118 zend_string_release(key);
1119 RETURN_COPY(ztab);
1120 }
1121 }
1122
1123 php_error_docref(NULL, E_NOTICE, "Previously unknown ion\\Symbol\\Table encountered: %s", key->val);
1124
1125 object_init_ex(return_value, ce_Symbol_Table_Shared);
1126 php_ion_symbol_table *o_tab = php_ion_obj(symbol_table, Z_OBJ_P(return_value));
1127 OBJ_CHECK(o_tab, zend_string_release(key));
1128 php_ion_symbol_table_ctor(o_tab);
1129
1130 if (ztabs) {
1131 SEPARATE_ARRAY(ztabs);
1132 ZVAL_ADDREF(return_value);
1133 add_index_zval(ztabs, (uintptr_t) &o_tab->std.gc, return_value);
1134 ZVAL_ADDREF(return_value);
1135 add_assoc_zval_ex(ztabs, key->val, key->len, return_value);
1136 }
1137 zend_string_release(key);
1138 }
1139
1140 php_ion_decl(catalog, Catalog);
1141
1142 typedef struct php_ion_reader_options_ccn_ctx {
1143 zend_object *obj;
1144 zend_fcall_info fci;
1145 zend_fcall_info_cache fcc;
1146 } php_ion_reader_options_ccn_ctx;
1147
1148 typedef struct php_ion_reader_options {
1149 ION_READER_OPTIONS opt;
1150 php_ion_reader_options_ccn_ctx ccn;
1151 zend_object *cat, *dec_ctx, *cb, std;
1152 } php_ion_reader_options;
1153
1154 LOCAL void php_ion_reader_options_dtor(php_ion_reader_options *obj)
1155 {
1156 if (obj->cb) {
1157 zend_fcall_info_args_clear(&obj->ccn.fci, true);
1158 }
1159 }
1160
1161 LOCAL void php_ion_reader_options_copy(php_ion_reader_options *new_obj, php_ion_reader_options *old_obj)
1162 {
1163 zend_objects_clone_members(&new_obj->std, &old_obj->std);
1164
1165 new_obj->opt = old_obj->opt;
1166 new_obj->cat = old_obj->cat;
1167 new_obj->dec_ctx = old_obj->dec_ctx;
1168 new_obj->cb = old_obj->cb;
1169 if (new_obj->cb) {
1170 zval zcb;
1171 ZVAL_OBJ(&zcb, new_obj->cb);
1172 zend_fcall_info_init(&zcb, 0, &new_obj->ccn.fci, &new_obj->ccn.fcc, NULL, NULL);
1173 new_obj->opt.context_change_notifier.context = &new_obj->ccn;
1174 }
1175 }
1176
1177 php_ion_decl(reader_options, Reader_Options);
1178
1179 LOCAL zend_object *php_ion_reader_options_new(void)
1180 {
1181 zend_object *obj = create_ion_Reader_Options(NULL);
1182 zend_call_known_instance_method_with_0_params(obj->ce->constructor, obj, NULL);
1183 return obj;
1184 }
1185
1186 typedef struct php_ion_reader {
1187 ION_READER *reader;
1188 ION_TYPE state;
1189 enum {
1190 BUFFER_READER,
1191 STREAM_READER,
1192 } type;
1193 union {
1194 zend_string *buffer;
1195 struct {
1196 php_stream *ptr;
1197 ION_STRING buf;
1198 } stream;
1199 };
1200 zend_object *opt, std;
1201 } php_ion_reader;
1202
1203 LOCAL iERR php_ion_reader_stream_handler(struct _ion_user_stream *user)
1204 {
1205 php_ion_reader *reader = (php_ion_reader *) user->handler_state;
1206 size_t remaining = 0, spare = reader->stream.buf.length;
1207
1208 if (user->curr && user->limit && (remaining = user->limit - user->curr)) {
1209 memmove(reader->stream.buf.value, user->curr, remaining);
1210 user->limit -= remaining;
1211 spare -= remaining;
1212 } else {
1213 user->curr = user->limit = reader->stream.buf.value;
1214 }
1215
1216 ssize_t read = php_stream_read(reader->stream.ptr, (char *) user->limit, spare);
1217 if (EXPECTED(read > 0)) {
1218 user->limit += read;
1219 return IERR_OK;
1220 }
1221
1222 if (EXPECTED(read == 0)) {
1223 return IERR_EOF;
1224 }
1225
1226 return IERR_READ_ERROR;
1227 }
1228
1229 LOCAL iERR on_context_change(void *context, ION_COLLECTION *imports)
1230 {
1231 iERR e = IERR_OK;
1232
1233 if (context) {
1234 php_ion_reader_options_ccn_ctx *ctx = context;
1235
1236 zval zobj;
1237 ZVAL_OBJ(&zobj, ctx->obj);
1238 zend_fcall_info_argn(&ctx->fci, 1, &zobj);
1239 if (SUCCESS != zend_fcall_info_call(&ctx->fci, &ctx->fcc, NULL, NULL)) {
1240 e = IERR_INTERNAL_ERROR;
1241 }
1242 zend_fcall_info_args_clear(&ctx->fci, false);
1243 }
1244 return e;
1245 }
1246
1247 LOCAL void php_ion_reader_ctor(php_ion_reader *obj)
1248 {
1249 iERR err;
1250 php_ion_reader_options *opt = php_ion_obj(reader_options, obj->opt);
1251
1252 if (opt && opt->opt.context_change_notifier.context) {
1253 php_ion_reader_options_ccn_ctx *ctx = opt->opt.context_change_notifier.context;
1254 ctx->obj = &obj->std;
1255 opt->opt.context_change_notifier.notify = on_context_change;
1256 }
1257 if (obj->type == STREAM_READER) {
1258 PTR_CHECK(obj->stream.ptr);
1259 GC_ADDREF(obj->stream.ptr->res);
1260
1261 obj->stream.buf.length = opt && opt->opt.allocation_page_size ? opt->opt.allocation_page_size : 0x10000;
1262 obj->stream.buf.value = emalloc(obj->stream.buf.length);
1263 err = ion_reader_open_stream(&obj->reader, obj, php_ion_reader_stream_handler, opt ? &opt->opt : NULL);
1264
1265 } else {
1266 err = ion_reader_open_buffer(&obj->reader, (BYTE *) obj->buffer->val, (SIZE) obj->buffer->len, opt ? &opt->opt : NULL);
1267 }
1268
1269 ION_CHECK(err);
1270 OBJ_CHECK(obj);
1271 }
1272
1273 LOCAL void php_ion_reader_dtor(php_ion_reader *obj)
1274 {
1275 if (obj->reader) {
1276 ion_reader_close(obj->reader);
1277 }
1278 if (obj->type == STREAM_READER) {
1279 if (obj->stream.buf.value) {
1280 efree(obj->stream.buf.value);
1281 }
1282 if (obj->stream.ptr) {
1283 zend_list_delete(obj->stream.ptr->res);
1284 }
1285 } else {
1286 if (obj->buffer) {
1287 zend_string_release(obj->buffer);
1288 }
1289 }
1290 }
1291
1292 #define php_ion_reader_copy(n,o)
1293 php_ion_decl(reader, Reader_Reader);
1294 #define clone_ion_Reader_Reader NULL
1295
1296 typedef struct php_ion_writer_options {
1297 ION_WRITER_OPTIONS opt;
1298 zend_object *cat, *dec_ctx, std;
1299 } php_ion_writer_options;
1300
1301 LOCAL void php_ion_writer_options_copy(php_ion_writer_options *new_obj, php_ion_writer_options *old_obj)
1302 {
1303 zend_objects_clone_members(&new_obj->std, &old_obj->std);
1304
1305 new_obj->opt = old_obj->opt;
1306 new_obj->cat = old_obj->cat;
1307 new_obj->dec_ctx = old_obj->dec_ctx;
1308 }
1309
1310 LOCAL void php_ion_writer_options_dtor(php_ion_writer_options *obj)
1311 {
1312 }
1313
1314 php_ion_decl(writer_options, Writer_Options);
1315
1316 LOCAL zend_object *php_ion_writer_options_new(void)
1317 {
1318 zend_object *obj = create_ion_Writer_Options(NULL);
1319 zend_call_known_instance_method_with_0_params(obj->ce->constructor, obj, NULL);
1320 return obj;
1321 }
1322
1323 typedef struct php_ion_writer {
1324 ION_WRITER *writer;
1325 enum {
1326 BUFFER_WRITER,
1327 STREAM_WRITER,
1328 } type;
1329 union {
1330 struct {
1331 smart_str str;
1332 struct _ion_user_stream *usr;
1333 } buffer;
1334 struct {
1335 ION_STRING buf;
1336 php_stream *ptr;
1337 } stream;
1338 };
1339 zend_object *opt, std;
1340
1341 } php_ion_writer;
1342
1343 LOCAL iERR php_ion_writer_stream_handler(struct _ion_user_stream *user)
1344 {
1345 php_ion_writer *writer = (php_ion_writer *) user->handler_state;
1346
1347 if (EXPECTED(user->limit && user->curr)) {
1348 ptrdiff_t len = user->curr - writer->stream.buf.value;
1349 if (len != php_stream_write(writer->stream.ptr, (char *) writer->stream.buf.value, len)) {
1350 return IERR_WRITE_ERROR;
1351 }
1352 }
1353 user->curr = writer->stream.buf.value;
1354 user->limit = writer->stream.buf.value + writer->stream.buf.length;
1355 return IERR_OK;
1356 }
1357
1358 LOCAL void php_ion_writer_stream_init(php_ion_writer *obj, php_ion_writer_options *opt)
1359 {
1360 PTR_CHECK(obj->stream.ptr);
1361 GC_ADDREF(obj->stream.ptr->res);
1362
1363 obj->stream.buf.length = opt ? opt->opt.allocation_page_size : 0x1000;
1364 obj->stream.buf.value = emalloc(obj->stream.buf.length);
1365 }
1366
1367 LOCAL void php_ion_writer_buffer_offer(php_ion_writer *obj)
1368 {
1369 if (obj->buffer.usr) {
1370 obj->buffer.usr->curr = (BYTE *) &obj->buffer.str.s->val[obj->buffer.str.s->len];
1371 obj->buffer.usr->limit = obj->buffer.usr->curr + obj->buffer.str.a - obj->buffer.str.s->len;
1372 }
1373 }
1374
1375 LOCAL void php_ion_writer_buffer_init(php_ion_writer *obj)
1376 {
1377 smart_str_alloc(&obj->buffer.str, 0, false);
1378 php_ion_writer_buffer_offer(obj);
1379 }
1380
1381 LOCAL void php_ion_writer_buffer_reset(php_ion_writer *obj)
1382 {
1383 smart_str_free(&obj->buffer.str);
1384 memset(&obj->buffer.str, 0, sizeof(obj->buffer.str));
1385 php_ion_writer_buffer_init(obj);
1386 }
1387
1388 LOCAL zend_string *php_ion_writer_buffer_copy(php_ion_writer *obj)
1389 {
1390 if (obj->buffer.usr) {
1391 // ensure that brain-dead ion_stream interface calls us again
1392 obj->buffer.usr->curr = NULL;
1393 obj->buffer.usr->limit = NULL;
1394 }
1395 smart_str_0(&obj->buffer.str);
1396 return zend_string_copy(obj->buffer.str.s);
1397 }
1398
1399 LOCAL void php_ion_writer_buffer_separate(php_ion_writer *obj, bool grow)
1400 {
1401 // see zend_string_separate and smart_str_erealloc
1402 zend_string *old_str = obj->buffer.str.s;
1403 zend_string *new_str = zend_string_alloc(obj->buffer.str.a << grow, false);
1404 memcpy(new_str->val, old_str->val, new_str->len = old_str->len);
1405 zend_string_release(old_str);
1406 obj->buffer.str.s = new_str;
1407 }
1408
1409 LOCAL void php_ion_writer_buffer_grow(php_ion_writer *obj)
1410 {
1411 if (obj->buffer.usr && obj->buffer.usr->curr) {
1412 obj->buffer.str.s->len = obj->buffer.usr->curr - (BYTE *) obj->buffer.str.s->val;
1413 }
1414 if (obj->buffer.usr && obj->buffer.usr->curr && obj->buffer.usr->curr == obj->buffer.usr->limit) {
1415 if (UNEXPECTED(GC_REFCOUNT(obj->buffer.str.s) > 1)) {
1416 php_ion_writer_buffer_separate(obj, true);
1417 } else {
1418 smart_str_erealloc(&obj->buffer.str, obj->buffer.str.a << 1);
1419 }
1420 } else if (UNEXPECTED(GC_REFCOUNT(obj->buffer.str.s) > 1)) {
1421 php_ion_writer_buffer_separate(obj, false);
1422 }
1423 php_ion_writer_buffer_offer(obj);
1424 }
1425
1426
1427 LOCAL iERR php_ion_writer_buffer_handler(struct _ion_user_stream *user)
1428 {
1429 php_ion_writer *writer = (php_ion_writer *) user->handler_state;
1430 writer->buffer.usr = user;
1431 php_ion_writer_buffer_grow(writer);
1432 return IERR_OK;
1433 }
1434
1435 LOCAL void php_ion_writer_options_init_shared_imports(php_ion_writer_options *opt)
1436 {
1437 php_ion_catalog *cat = php_ion_obj(catalog, opt->cat);
1438 OBJ_CHECK(cat);
1439
1440 ION_CHECK(ion_writer_options_initialize_shared_imports(&opt->opt));
1441
1442 ION_COLLECTION *col = php_ion_catalog_collection(cat);
1443 if (!ION_COLLECTION_IS_EMPTY(col)) {
1444 // holy, nah, forget it batman...
1445 ION_COLLECTION_CURSOR cur;
1446 ION_COLLECTION_OPEN(col, cur);
1447 while (cur) {
1448 ION_SYMBOL_TABLE **ptr;
1449 ION_COLLECTION_NEXT(cur, ptr);
1450 if (*ptr) {
1451 ION_CHECK(ion_writer_options_add_shared_imports_symbol_tables(&opt->opt, ptr, 1));
1452 }
1453 }
1454 }
1455 }
1456
1457 LOCAL void php_ion_writer_ctor(php_ion_writer *obj)
1458 {
1459 php_ion_writer_options *opt = NULL;
1460
1461 if (obj->opt) {
1462 update_property_obj(&obj->std, ZEND_STRL("options"), obj->opt);
1463 opt = php_ion_obj(writer_options, obj->opt);
1464 if (opt->cat) {
1465 php_ion_writer_options_init_shared_imports(opt);
1466 }
1467 }
1468
1469 ION_STREAM_HANDLER h;
1470 if (obj->type == STREAM_WRITER) {
1471 h = php_ion_writer_stream_handler;
1472 php_ion_writer_stream_init(obj, opt);
1473 } else {
1474 h = php_ion_writer_buffer_handler;
1475 php_ion_writer_buffer_init(obj);
1476 }
1477
1478
1479 ION_CHECK(ion_writer_open_stream(&obj->writer, h, obj, opt ? &opt->opt : NULL));
1480 OBJ_CHECK(obj);
1481 }
1482
1483 LOCAL void php_ion_writer_dtor(php_ion_writer *obj)
1484 {
1485 if (obj->writer) {
1486 ion_writer_close(obj->writer);
1487 }
1488 if (obj->opt) {
1489 php_ion_writer_options *opt = php_ion_obj(writer_options, obj->opt);
1490 if (opt->cat) {
1491 ion_writer_options_close_shared_imports(&opt->opt);
1492 }
1493 }
1494 if (obj->type == STREAM_WRITER) {
1495 if (obj->stream.buf.value) {
1496 efree(obj->stream.buf.value);
1497 }
1498 if (obj->stream.ptr) {
1499 zend_list_delete(obj->stream.ptr->res);
1500 }
1501 } else {
1502 if (obj->buffer.str.s) {
1503 smart_str_0(&obj->buffer.str);
1504 zend_string_release(obj->buffer.str.s);
1505 }
1506 }
1507 }
1508
1509 #define php_ion_writer_copy(o,n)
1510 php_ion_decl(writer, Writer_Writer);
1511 #define clone_ion_Writer_Writer NULL
1512
1513 typedef struct php_ion_serializer_php {
1514 php_ion_serializer serializer;
1515 zend_object *opt, std;
1516 } php_ion_serializer_php;
1517
1518 LOCAL void php_ion_serializer_php_ctor(php_ion_serializer_php *ser_obj)
1519 {
1520 php_ion_serializer *global_ser = &php_ion_globals.serializer;
1521 ser_obj->serializer.ids = global_ser->ids;
1522 ser_obj->serializer.tmp = global_ser->tmp;
1523
1524 zend_update_property_bool(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("multiSequence"),
1525 ser_obj->serializer.multi_seq);
1526 zend_update_property_bool(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callMagicSerialize"),
1527 ser_obj->serializer.call_magic);
1528 if (ser_obj->serializer.call_custom) {
1529 zend_update_property_str(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callCustomSerialize"),
1530 ser_obj->serializer.call_custom);
1531 ser_obj->serializer.call_custom = zend_string_tolower(ser_obj->serializer.call_custom);
1532 } else {
1533 zend_update_property_null(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callCustomSerialize"));
1534 }
1535 if (!ser_obj->opt) {
1536 ser_obj->opt = php_ion_writer_options_new();
1537 } else {
1538 GC_ADDREF(ser_obj->opt);
1539 }
1540 ser_obj->serializer.options = &php_ion_obj(writer_options, ser_obj->opt)->opt;
1541 update_property_obj(&ser_obj->std, ZEND_STRL("writerOptions"), ser_obj->opt);
1542 GC_DELREF(ser_obj->opt);
1543 }
1544
1545 LOCAL void php_ion_serializer_php_dtor(php_ion_serializer_php *obj)
1546 {
1547 if (obj->serializer.call_custom) {
1548 zend_string_release(obj->serializer.call_custom);
1549 }
1550 }
1551
1552 LOCAL void php_ion_serialize_zval(php_ion_serializer *, zval *);
1553
1554 LOCAL void php_ion_serialize_struct(php_ion_serializer *ser, zend_array *arr, bool unmangle_props, bool annotate_props)
1555 {
1556 ION_CHECK(ion_writer_start_container(ser->writer, tid_STRUCT));
1557
1558 zval *v;
1559 zend_ulong h;
1560 zend_string *k = NULL;
1561 if (arr) ZEND_HASH_FOREACH_KEY_VAL_IND(arr, h, k, v)
1562 char buf[MAX_LENGTH_OF_LONG + 1];
1563 ION_STRING is;
1564 if (k) {
1565 size_t prop_len;
1566 const char *class_name, *prop_name;
1567 if (unmangle_props && (SUCCESS == zend_unmangle_property_name_ex(k, &class_name, &prop_name, &prop_len)) && class_name) {
1568 if (annotate_props) {
1569 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_PROPERTY));
1570 ION_CHECK(ion_writer_add_annotation(ser->writer, ion_string_assign_cstr(&is, (char *) class_name, prop_name - class_name - 1)));
1571 }
1572 } else {
1573 prop_name = k->val;
1574 prop_len = k->len;
1575 }
1576 ion_string_assign_cstr(&is, (char *) prop_name, (SIZE) prop_len);
1577 } else {
1578 char *end = buf + sizeof(buf) - 1;
1579 char *ptr = zend_print_long_to_buf(end, (zend_long) h);
1580 ion_string_assign_cstr(&is, ptr, (SIZE) (end - ptr));
1581 }
1582
1583 // WATCH OUT: field names need to be copied
1584 ION_STRING fn;
1585 ION_CHECK(ion_string_copy_to_owner(ser->writer, &fn, &is));
1586 ION_CHECK(ion_writer_write_field_name(ser->writer, &fn));
1587
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_list(php_ion_serializer *ser, zend_array *arr)
1596 {
1597 ION_CHECK(ion_writer_start_container(ser->writer, tid_LIST));
1598
1599 zval *v;
1600 ZEND_HASH_FOREACH_VAL_IND(arr, v)
1601 php_ion_serialize_zval(ser, v);
1602 ION_CATCH();
1603 ZEND_HASH_FOREACH_END();
1604
1605 ION_CHECK(ion_writer_finish_container(ser->writer));
1606 }
1607
1608 LOCAL void php_ion_serialize_array(php_ion_serializer *ser, zend_array *arr)
1609 {
1610 if (zend_array_is_list(arr)) {
1611 php_ion_serialize_list(ser, arr);
1612 } else {
1613 php_ion_serialize_struct(ser, arr, false, false);
1614 }
1615 }
1616
1617 LOCAL void php_ion_serialize_object_iface(php_ion_serializer *ser, zend_object *zobject)
1618 {
1619 uint8_t *buf;
1620 size_t len;
1621 zval tmp;
1622
1623 ZVAL_OBJ(&tmp, zobject);
1624 if (SUCCESS == zobject->ce->serialize(&tmp, &buf, &len, NULL)) {
1625 ION_STRING is;
1626 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_SERIALIZEABLE));
1627 ION_CHECK(ion_writer_add_annotation(ser->writer, ion_string_from_zend(&is, zobject->ce->name)));
1628 ION_CHECK(ion_writer_write_clob(ser->writer, buf, len));
1629 efree(buf);
1630 } else if (!EG(exception)){
1631 zend_throw_exception_ex(spl_ce_UnexpectedValueException, IERR_INTERNAL_ERROR,
1632 "Failed to serialize class %s", zobject->ce->name->val);
1633 }
1634 }
1635
1636 LOCAL void php_ion_serialize_object_magic(php_ion_serializer *ser, zend_object *zobject, zend_function *fn)
1637 {
1638 zval rv;
1639
1640 ZVAL_NULL(&rv);
1641 zend_call_known_instance_method_with_0_params(fn ? fn : zobject->ce->__serialize, zobject, &rv);
1642 ION_CATCH();
1643
1644 if (IS_ARRAY == Z_TYPE(rv)) {
1645 ION_STRING is;
1646 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, fn ? &PHP_ION_SYMBOL_CUSTOM_OBJECT : &PHP_ION_SYMBOL_MAGIC_OBJECT));
1647 ION_CHECK(ion_writer_add_annotation(ser->writer, ion_string_from_zend(&is, zobject->ce->name)));
1648 php_ion_serialize_zval(ser, &rv);
1649 zval_ptr_dtor(&rv);
1650 } else {
1651 zend_throw_exception_ex(spl_ce_UnexpectedValueException, IERR_INTERNAL_ERROR,
1652 "%s serializer %s::%s did not return an array",
1653 fn ? "Custom" : "Magic", zobject->ce->name->val,
1654 fn ? fn->common.function_name->val : "__serialize");
1655 }
1656 }
1657
1658 LOCAL void php_ion_serialize_object_enum(php_ion_serializer *ser, zend_object *zobject)
1659 {
1660 ION_STRING is;
1661 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_ENUM));
1662
1663 ION_CHECK(ion_writer_add_annotation(ser->writer, ion_string_from_zend(&is, zobject->ce->name)));
1664 zval *z_cname = zend_enum_fetch_case_name(zobject);
1665 ION_CHECK(ion_writer_write_symbol(ser->writer, ion_string_from_zend(&is, Z_STR_P(z_cname))));
1666 }
1667
1668 LOCAL void php_ion_serialize_object_std(php_ion_serializer *ser, zend_object *zobject)
1669 {
1670 ION_STRING is;
1671
1672 if (zobject->ce != zend_standard_class_def) {
1673 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_CLASS_OBJECT));
1674 ION_CHECK(ion_writer_add_annotation(ser->writer, ion_string_from_zend(&is, zobject->ce->name)));
1675 } else {
1676 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_OBJECT));
1677 }
1678
1679 zval zobj;
1680 ZVAL_OBJ(&zobj, zobject);
1681 HashTable *props = zend_get_properties_for(&zobj, ZEND_PROP_PURPOSE_SERIALIZE);
1682 if (props) {
1683 php_ion_serialize_struct(ser, props, true, true);
1684 zend_release_properties(props);
1685 } else {
1686 zend_throw_exception_ex(spl_ce_UnexpectedValueException, IERR_INTERNAL_ERROR,
1687 "Could not get properties for serialization of class %s",
1688 zobject->ce->name->val);
1689 }
1690 }
1691
1692 LOCAL void php_ion_serialize_object_lob(php_ion_serializer *ser, zend_object *zobject)
1693 {
1694 zval tmp_type, *type = zend_read_property(NULL, zobject, ZEND_STRL("type"), 0, &tmp_type);
1695 zval tmp_value, *value = zend_read_property(NULL, zobject, ZEND_STRL("value"), 0, &tmp_value);
1696 switch (Z_LVAL_P(zend_enum_fetch_case_value(Z_OBJ_P(type)))) {
1697 case tid_BLOB_INT:
1698 ION_CHECK(ion_writer_write_blob(ser->writer, (BYTE *) Z_STRVAL_P(value), Z_STRLEN_P(value)));
1699 break;
1700 case tid_CLOB_INT:
1701 ION_CHECK(ion_writer_write_clob(ser->writer, (BYTE *) Z_STRVAL_P(value), Z_STRLEN_P(value)));
1702 break;
1703 default:
1704 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
1705 "Unsupported LOB type: ion\\Type::%s", Z_STRVAL_P(zend_enum_fetch_case_name(Z_OBJ_P(type))));
1706 break;
1707 }
1708 }
1709
1710 LOCAL bool can_call_magic_serialize(php_ion_serializer *ser, zend_class_entry *ce)
1711 {
1712 return ce->__serialize && ser->call_magic;
1713 }
1714
1715 LOCAL bool can_call_iface_serialize(php_ion_serializer *ser, zend_class_entry *ce)
1716 {
1717 (void) ser;
1718 return !!ce->serialize; // NOLINT
1719 }
1720
1721 LOCAL bool can_call_custom_serialize(php_ion_serializer *ser, zend_object *zobject, zend_function **fn)
1722 {
1723 if (ser->call_custom) {
1724 return !!(*fn = zend_hash_find_ptr(&zobject->ce->function_table, ser->call_custom)); // NOLINT
1725 }
1726 return false;
1727 }
1728
1729 LOCAL void php_ion_serialize_object(php_ion_serializer *ser, zend_object *zobject)
1730 {
1731 zend_function *fn;
1732 zend_class_entry *ce = zobject->ce;
1733 ZEND_ASSERT(ce);
1734
1735 if (ce->ce_flags & ZEND_ACC_NOT_SERIALIZABLE) {
1736 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
1737 "Serializing %s is not allowed", ce->name->val);
1738 return;
1739 }
1740
1741 if (can_call_magic_serialize(ser, ce)) {
1742 php_ion_serialize_object_magic(ser, zobject, NULL);
1743 } else if (can_call_iface_serialize(ser, ce)) {
1744 php_ion_serialize_object_iface(ser, zobject);
1745 } else if (can_call_custom_serialize(ser, zobject, &fn)) {
1746 php_ion_serialize_object_magic(ser, zobject, fn);
1747 } else if (zobject->ce->ce_flags & ZEND_ACC_ENUM) {
1748 php_ion_serialize_object_enum(ser, zobject);
1749 } else if (ce == ce_Symbol) {
1750 ION_CHECK(ion_writer_write_ion_symbol(ser->writer, &php_ion_obj(symbol, zobject)->sym));
1751 } else if (ce == ce_Decimal) {
1752 ION_CHECK(ion_writer_write_ion_decimal(ser->writer, &php_ion_obj(decimal, zobject)->dec));
1753 } else if (ce == ce_Timestamp) {
1754 ION_TIMESTAMP its;
1755 php_ion_timestamp *pts = php_ion_obj(timestamp, zobject);
1756 decContext *ctx = ser->options ? ser->options->decimal_context : NULL;
1757 ION_CHECK(ion_writer_write_timestamp(ser->writer, ion_timestamp_from_php(&its, pts, ctx)));
1758 } else if (ce == ce_LOB) {
1759 php_ion_serialize_object_lob(ser, zobject);
1760 } else {
1761 php_ion_serialize_object_std(ser, zobject);
1762 }
1763 }
1764
1765 LOCAL bool php_ion_serialize_system_value(php_ion_serializer *ser, zval *zv)
1766 {
1767 if (1 == php_ion_globals.serializer.level) {
1768 if (Z_TYPE_P(zv) == IS_OBJECT) {
1769 if (Z_OBJCE_P(zv) == ce_Symbol_Table_Shared) {
1770 php_ion_symbol_table *obj = php_ion_obj(symbol_table, Z_OBJ_P(zv));
1771 ION_CHECK_RETURN(true, ion_symbol_table_unload(obj->tab, ser->writer));
1772 return true;
1773 }
1774 }
1775 }
1776 return false;
1777 }
1778
1779 LOCAL bool php_ion_serialize_backref(php_ion_serializer *ser, zval *zv)
1780 {
1781 if (Z_TYPE_P(zv) == IS_STRING && Z_STR_P(zv) == zend_empty_string) {
1782 return false;
1783 }
1784 if (Z_TYPE_P(zv) == IS_ARRAY && Z_ARR_P(zv) == &zend_empty_array) {
1785 return false;
1786 }
1787
1788 zend_ulong idx = (zend_ulong) (uintptr_t) Z_COUNTED_P(zv);
1789 zval *ref = zend_hash_index_find(ser->ids, idx);
1790 if (!ref) {
1791 zval num;
1792
1793 ZVAL_LONG(&num, zend_hash_num_elements(ser->ids));
1794 zend_hash_index_add(ser->ids, idx, &num);
1795
1796 Z_TRY_ADDREF_P(zv);
1797 zend_hash_next_index_insert(ser->tmp, zv);
1798
1799 return false;
1800 }
1801
1802 ION_CHECK_RETURN(true, ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_BACKREF));
1803 ION_CHECK_RETURN(true, ion_writer_write_int64(ser->writer, Z_LVAL_P(ref)));
1804 return true;
1805 }
1806
1807 LOCAL void php_ion_serialize_refcounted(php_ion_serializer *ser, zval *zv)
1808 {
1809 if (php_ion_serialize_system_value(ser, zv)) {
1810 return;
1811 }
1812 if (php_ion_serialize_backref(ser, zv)) {
1813 return;
1814 }
1815
1816 ION_STRING is;
1817 switch (Z_TYPE_P(zv)) {
1818 case IS_STRING:
1819 ION_CHECK(ion_writer_write_string(ser->writer, ion_string_from_zend(&is, Z_STR_P(zv))));
1820 break;
1821
1822 case IS_ARRAY:
1823 php_ion_serialize_array(ser, Z_ARRVAL_P(zv));
1824 break;
1825
1826 case IS_OBJECT:
1827 php_ion_serialize_object(ser, Z_OBJ_P(zv));
1828 break;
1829
1830 case IS_REFERENCE:
1831 ION_CHECK(ion_writer_add_annotation_symbol(ser->writer, &PHP_ION_SYMBOL_REFERENCE));
1832 php_ion_serialize_zval(ser, Z_REFVAL_P(zv));
1833 break;
1834 }
1835 }
1836
1837 LOCAL void php_ion_serialize_zval(php_ion_serializer *ser, zval *zv)
1838 {
1839 OBJ_CHECK(ser);
1840
1841 switch (Z_TYPE_P(zv)) {
1842 case IS_NULL:
1843 ION_CHECK(ion_writer_write_null(ser->writer));
1844 break;
1845 case IS_TRUE:
1846 ION_CHECK(ion_writer_write_bool(ser->writer, TRUE));
1847 break;
1848 case IS_FALSE:
1849 ION_CHECK(ion_writer_write_bool(ser->writer, FALSE));
1850 break;
1851 case IS_LONG:
1852 ION_CHECK(ion_writer_write_int64(ser->writer, Z_LVAL_P(zv)));
1853 break;
1854 case IS_DOUBLE:
1855 ION_CHECK(ion_writer_write_double(ser->writer, Z_DVAL_P(zv)));
1856 break;
1857 case IS_STRING:
1858 case IS_ARRAY:
1859 case IS_OBJECT:
1860 case IS_REFERENCE:
1861 php_ion_serialize_refcounted(ser, zv);
1862 break;
1863 default:
1864 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
1865 "Failed to serialize value of type %s", zend_zval_type_name(zv));
1866 }
1867 }
1868
1869 #define php_ion_serializer_php_copy(o,n)
1870 php_ion_decl(serializer_php, Serializer_PHP);
1871 #define clone_ion_Serializer_PHP NULL
1872
1873 LOCAL void php_ion_serialize_ex(php_ion_serializer *ser, zval *zv)
1874 {
1875 HashPosition pos;
1876 HashTable *arr = NULL;
1877
1878 if (ser->multi_seq) {
1879 if (Z_TYPE_P(zv) != IS_ARRAY || !zend_array_is_list(Z_ARRVAL_P(zv))) {
1880 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
1881 "Expected a packed, consecutively numerically indexed array as argument to the multi sequence serializer");
1882 return;
1883 }
1884
1885 arr = Z_ARRVAL_P(zv);
1886
1887 zend_hash_internal_pointer_reset_ex(arr, &pos);
1888 zv = zend_hash_get_current_data_ex(arr, &pos);
1889 }
1890
1891 while (zv) {
1892 php_ion_globals_serializer_step();
1893 php_ion_serialize_zval(ser, zv);
1894 php_ion_globals_serializer_exit();
1895
1896 if (!ser->multi_seq) {
1897 break;
1898 }
1899 zend_hash_move_forward_ex(arr, &pos);
1900 zv = zend_hash_get_current_data_ex(arr, &pos);
1901 }
1902 }
1903
1904 void php_ion_serialize(php_ion_serializer *ser, zval *zv, zval *return_value)
1905 {
1906 zend_object *zo_opt = NULL, *zo_ser = NULL;
1907
1908 if (!ser) {
1909 zo_ser = create_ion_Serializer_PHP(NULL);
1910 php_ion_serializer_php *o_ser = php_ion_obj(serializer_php, zo_ser);
1911 PTR_CHECK(o_ser);
1912 o_ser->serializer.call_magic = true;
1913 php_ion_serializer_php_ctor(o_ser);
1914 ION_CATCH();
1915 ser = &o_ser->serializer;
1916 }
1917
1918 zend_object *zo_writer = create_ion_Writer_Writer(ce_Writer_Buffer_Writer);
1919 php_ion_writer *writer = php_ion_obj(writer, zo_writer);
1920 writer->type = BUFFER_WRITER;
1921
1922 if (ser->options) {
1923 zo_opt = writer->opt = php_ion_writer_options_new();
1924 php_ion_obj(writer_options, writer->opt)->opt = *ser->options;
1925 }
1926
1927 php_ion_writer_ctor(writer);
1928 ser->writer = writer->writer;
1929 ser->buffer = &writer->buffer.str;
1930
1931 if (!EG(exception)) {
1932 php_ion_serialize_ex(ser, zv);
1933 }
1934
1935 /* make sure to flush when done, else str.s might not contain everything until the writer is closed */
1936 ion_writer_flush(ser->writer, NULL);
1937 RETVAL_STR_COPY(ser->buffer->s);
1938
1939 OBJ_RELEASE(zo_writer);
1940 if (zo_opt) {
1941 OBJ_RELEASE(zo_opt);
1942 }
1943 if (zo_ser) {
1944 OBJ_RELEASE(zo_ser);
1945 }
1946 }
1947
1948 typedef struct php_ion_unserializer_php {
1949 php_ion_unserializer unserializer;
1950 zend_object *opt, std;
1951 } php_ion_unserializer_php;
1952
1953 LOCAL void php_ion_unserializer_php_ctor(php_ion_unserializer_php *ser_obj)
1954 {
1955 php_ion_unserializer *global_ser = &php_ion_globals.unserializer;
1956 ser_obj->unserializer.ids = global_ser->ids;
1957 ser_obj->unserializer.tmp = global_ser->tmp;
1958 ser_obj->unserializer.addref = global_ser->addref;
1959
1960 zend_update_property_bool(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("multiSequence"),
1961 ser_obj->unserializer.multi_seq);
1962 zend_update_property_bool(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callMagicUnserialize"),
1963 ser_obj->unserializer.call_magic);
1964 if (ser_obj->unserializer.call_custom) {
1965 zend_update_property_str(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callCustomUnserialize"),
1966 ser_obj->unserializer.call_custom);
1967 ser_obj->unserializer.call_custom = zend_string_tolower(ser_obj->unserializer.call_custom);
1968 } else {
1969 zend_update_property_null(ser_obj->std.ce, &ser_obj->std, ZEND_STRL("callCustomUnserialize"));
1970 }
1971 if (!ser_obj->opt) {
1972 ser_obj->opt = php_ion_reader_options_new();
1973 } else {
1974 GC_ADDREF(ser_obj->opt);
1975 }
1976 ser_obj->unserializer.options = &php_ion_obj(reader_options, ser_obj->opt)->opt;
1977 update_property_obj(&ser_obj->std, ZEND_STRL("readerOptions"), ser_obj->opt);
1978 GC_DELREF(ser_obj->opt);
1979 }
1980
1981 LOCAL void php_ion_unserializer_php_dtor(php_ion_unserializer_php *obj)
1982 {
1983 if (obj->unserializer.call_custom) {
1984 zend_string_release(obj->unserializer.call_custom);
1985 }
1986 }
1987
1988 LOCAL void php_ion_unserialize_zval(php_ion_unserializer *ser, zval *return_value, ION_TYPE *typ);
1989
1990 LOCAL bool can_call_magic_unserialize(php_ion_unserializer *ser, zend_class_entry *ce)
1991 {
1992 return (ce && ce->__unserialize && ser->call_magic);
1993 }
1994
1995 LOCAL bool can_call_iface_unserialize(php_ion_unserializer *ser, zend_class_entry *ce)
1996 {
1997 return (ce && ce->unserialize);
1998 }
1999
2000 LOCAL bool can_call_custom_unserialize(php_ion_unserializer *ser, zend_object *zobject, zend_function **fn)
2001 {
2002 if (ser->call_custom) {
2003 return !!(*fn = zend_hash_find_ptr(&zobject->ce->function_table, ser->call_custom)); // NOLINT
2004 }
2005 return false;
2006 }
2007
2008 LOCAL zval *php_ion_unserialize_class(php_ion_unserializer *ser, zval *return_value)
2009 {
2010 zend_class_entry *ce = zend_lookup_class(ser->annotations.object_class);
2011
2012 if (ce) {
2013 object_init_ex(return_value, ce);
2014 return zend_hash_next_index_insert(ser->ids, return_value);
2015 }
2016
2017 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_IMPORT_NOT_FOUND,
2018 "Could not find class %s", ser->annotations.object_class->val);
2019 return NULL;
2020 }
2021
2022 LOCAL void php_ion_unserialize_object_enum(php_ion_unserializer *ser, zval *return_value)
2023 {
2024 zend_string *zs_case = zval_get_string(return_value);
2025 zend_hash_next_index_insert(ser->tmp, return_value);
2026 ZVAL_NULL(return_value);
2027 ION_CATCH();
2028
2029 zend_class_entry *ce = zend_lookup_class(ser->annotations.object_class);
2030 if (!ce || !(ce->ce_flags & ZEND_ACC_ENUM)) {
2031 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2032 "Not a valid enum: %s", ser->annotations.object_class->val);
2033 return;
2034 }
2035 if (!zend_hash_exists(CE_CONSTANTS_TABLE(ce), zs_case)) {
2036 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2037 "Not a valid enum case: %s::%s", ser->annotations.object_class->val, zs_case->val);
2038 return;
2039 }
2040 RETVAL_OBJ_COPY(zend_enum_get_case(ce, zs_case));
2041 zend_hash_next_index_insert(ser->ids, return_value);
2042 zend_string_release(zs_case);
2043 }
2044
2045 LOCAL void php_ion_unserialize_object_iface(php_ion_unserializer *ser, zval *return_value)
2046 {
2047 zend_class_entry *ce = zend_lookup_class(ser->annotations.object_class);
2048 if (can_call_iface_unserialize(ser, ce)) {
2049 zend_string *s = zval_get_string(return_value);
2050 zend_hash_next_index_insert(ser->tmp, return_value);
2051 ZVAL_NULL(return_value);
2052 zval *backref = zend_hash_next_index_insert(ser->ids, return_value);
2053 if (SUCCESS == ce->unserialize(backref, ce, (BYTE *) s->val, s->len, NULL)) {
2054 RETVAL_ZVAL(backref, 0, 0);
2055 } else {
2056 zval_ptr_dtor(backref);
2057 ZVAL_NULL(backref);
2058 if (!EG(exception)) {
2059 zend_throw_exception_ex(spl_ce_UnexpectedValueException, IERR_INTERNAL_ERROR,
2060 "Failed to unserialize class %s", ce->name->val);
2061 }
2062 }
2063 zend_string_release(s);
2064 } else {
2065 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2066 "Class %s does not implement Serializable", ser->annotations.object_class->val);
2067 }
2068 }
2069
2070 LOCAL void php_ion_unserialize_field_name_ex(php_ion_unserializer *ser, ION_STRING *name, SID *sid)
2071 {
2072 ION_CHECK(ion_reader_get_field_name(ser->reader, name));
2073 if (!name->length) {
2074 ION_SYMBOL *is_ptr;
2075 ION_CHECK(ion_reader_get_field_name_symbol(ser->reader, &is_ptr));
2076 if (!ION_SYMBOL_IS_NULL(is_ptr) && is_ptr->value.length) {
2077 ION_STRING_ASSIGN(name, &is_ptr->value);
2078 } else {
2079 *sid = is_ptr->sid;
2080 }
2081 }
2082 }
2083
2084 LOCAL void php_ion_unserialize_field_name(php_ion_unserializer *ser, zend_string **key, bool is_prop)
2085 {
2086 // FIXME: symbol table
2087 ION_STRING name;
2088 SID sid = UNKNOWN_SID;
2089 char buf[MAX_LENGTH_OF_LONG + 1 + 1] = {0}, *end = buf + sizeof(buf) - 1, *ptr;
2090
2091 php_ion_unserialize_field_name_ex(ser, &name, &sid);
2092 ION_CATCH();
2093
2094 switch (name.length) {
2095 case 0:
2096 ptr = zend_print_long_to_buf(end, sid);
2097 *--ptr = '$';
2098 *key = zend_string_init(ptr, end - ptr, 0);
2099 break;
2100 case 1:
2101 *key = zend_one_char_string[*name.value];
2102 break;
2103 default:
2104 if (is_prop) {
2105 *key = zend_string_init_interned((char *) name.value, name.length, 0);
2106 } else {
2107 *key = zend_string_from_ion(&name);
2108 }
2109 break;
2110 }
2111 }
2112
2113 static void php_ion_unserialize_props(php_ion_unserializer *ser, zval *return_value)
2114 {
2115 zend_hash_next_index_insert(ser->ids, return_value);
2116
2117 ION_CHECK(ion_reader_step_in(ser->reader));
2118
2119 while (true) {
2120 ION_TYPE typ;
2121 ION_CHECK(ion_reader_next(ser->reader, &typ));
2122
2123 if (typ == tid_EOF) {
2124 break;
2125 }
2126
2127 zend_string *key;
2128 php_ion_unserialize_field_name(ser, &key, true);
2129 ION_CATCH();
2130
2131 zval zvalue;
2132 php_ion_unserialize_zval(ser, &zvalue, &typ);
2133 ION_CATCH(zend_string_release(key));
2134
2135 zend_class_entry *ce = Z_OBJCE_P(return_value);
2136 if (ser->annotations.object_prop && ser->annotations.property_class->val[0] != '*') {
2137 ce = zend_lookup_class(ser->annotations.property_class);
2138 }
2139 zend_update_property_ex(ce, Z_OBJ_P(return_value), key, &zvalue);
2140 zval_ptr_dtor(&zvalue);
2141 zend_string_release(key);
2142 }
2143
2144 ION_CHECK(ion_reader_step_out(ser->reader));
2145 }
2146
2147 /**
2148 * @link https://amzn.github.io/ion-docs/docs/spec.html#struct
2149 * When two fields in the same struct have the same name [...] Implementations must preserve all such fields,
2150 * i.e., they may not discard fields that have repeated names. However, implementations may reorder fields
2151 * (the binary format identifies structs that are sorted by symbolID), so certain operations may lead to
2152 * nondeterministic behavior.
2153 */
2154 LOCAL void php_ion_unserialize_hash(php_ion_unserializer *ser, zval *return_value)
2155 {
2156 zend_hash_next_index_insert(ser->ids, return_value);
2157
2158 ION_CHECK(ion_reader_step_in(ser->reader));
2159
2160 while (true) {
2161 ION_TYPE typ;
2162 ION_CHECK(ion_reader_next(ser->reader, &typ));
2163
2164 if (typ == tid_EOF) {
2165 break;
2166 }
2167
2168 zend_string *key;
2169 php_ion_unserialize_field_name(ser, &key, false);
2170 ION_CATCH();
2171
2172 zval zvalue;
2173 php_ion_unserialize_zval(ser, &zvalue, &typ);
2174 ION_CATCH(zend_string_release(key));
2175
2176 // FIXME:: too naive; b0rked if the previous value is an array
2177 if (zend_symtable_exists(HASH_OF(return_value), key)) {
2178 zval tmp, *prev = zend_hash_find(HASH_OF(return_value), key);
2179 if (Z_TYPE_P(prev) != IS_ARRAY) {
2180 array_init(&tmp);
2181 Z_TRY_ADDREF_P(prev);
2182 zend_hash_next_index_insert(Z_ARRVAL(tmp), prev);
2183 prev = zend_hash_update(HASH_OF(return_value), key, &tmp);
2184 }
2185 zend_hash_next_index_insert(Z_ARRVAL_P(prev), &zvalue);
2186 } else {
2187 zend_symtable_update(HASH_OF(return_value), key, &zvalue);
2188 }
2189 zend_string_release(key);
2190 }
2191
2192 ION_CHECK(ion_reader_step_out(ser->reader));
2193 }
2194
2195 LOCAL void verify_unserializer(php_ion_unserializer *ser, zend_object *zobject, zend_function **fn)
2196 {
2197 switch (ser->annotations.object_type) {
2198 case 'c':
2199 *fn = NULL;
2200 break;
2201
2202 case 'C':
2203 if (!can_call_custom_unserialize(ser, zobject, fn)) {
2204 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2205 "Could not find custom serializer method of %s", ser->annotations.object_class->val);
2206 }
2207 break;
2208
2209 case 'O':
2210 if (!can_call_magic_unserialize(ser, zobject->ce)) {
2211 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2212 "Could not find method %s::__unserialize()", ser->annotations.object_class->val);
2213 }
2214 *fn = zobject->ce->__unserialize;
2215 break;
2216
2217 default:
2218 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2219 "Invalid object type %c", ser->annotations.object_type);
2220 }
2221 }
2222
2223 LOCAL void php_ion_unserialize_object(php_ion_unserializer *ser, zval *return_value)
2224 {
2225 // backup possible backref to array returned by magic/custom __serialize()
2226 zval *input = zend_hash_next_index_insert(ser->tmp, return_value);
2227 ZVAL_NULL(return_value);
2228 php_ion_unserialize_class(ser, return_value);
2229 ION_CATCH();
2230
2231 zend_function *fn = NULL;
2232 zend_object *zobject = Z_OBJ_P(return_value);
2233 verify_unserializer(ser, zobject, &fn);
2234 ION_CATCH();
2235
2236 // plain object
2237 if (!fn) {
2238 php_ion_unserialize_props(ser, return_value);
2239 return;
2240 }
2241
2242 // magic object
2243 if (Z_TYPE_P(input) != IS_ARRAY) {
2244 zval_ptr_dtor(input);
2245 array_init(input);
2246 zend_hash_real_init_mixed(Z_ARRVAL_P(input));
2247 php_ion_unserialize_hash(ser, input);
2248 ION_CATCH();
2249 }
2250 zval rv;
2251 ZVAL_NULL(&rv);
2252 zend_call_method_with_1_params(zobject, zobject->ce, &fn, "", &rv, input);
2253 zval_ptr_dtor(&rv);
2254 }
2255
2256 LOCAL void php_ion_unserialize_struct(php_ion_unserializer *ser, zval *return_value)
2257 {
2258 if (ser->annotations.object_class) {
2259 switch (ser->annotations.object_type) {
2260 case 'S':
2261 php_ion_unserialize_object_iface(ser, return_value);
2262 break;
2263 case 'E':
2264 php_ion_unserialize_object_enum(ser, return_value);
2265 break;
2266 default:
2267 php_ion_unserialize_object(ser, return_value);
2268 }
2269 } else if (!ser->annotations.object_type) {
2270 bool is_shared_symtab = ser->annotations.shared_symtab;
2271 array_init(return_value);
2272 php_ion_unserialize_hash(ser, return_value);
2273 if (is_shared_symtab) {
2274 zval zobj;
2275 object_init_ex(&zobj, ce_Symbol_Table_Shared);
2276 zend_call_known_function(Z_OBJCE(zobj)->constructor, Z_OBJ(zobj), Z_OBJCE(zobj), NULL, 0, NULL, Z_ARRVAL_P(return_value));
2277 zval_ptr_dtor(return_value);
2278 RETURN_COPY_VALUE(&zobj);
2279 }
2280 } else if (ser->annotations.object_type == 'o') {
2281 object_init(return_value);
2282 php_ion_unserialize_hash(ser, return_value);
2283 } else {
2284 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_TOKEN,
2285 "Invalid object annotation %c::", ser->annotations.object_type);
2286 }
2287 }
2288
2289 LOCAL void php_ion_unserialize_list(php_ion_unserializer *ser, zval *return_value)
2290 {
2291 ION_CHECK(ion_reader_step_in(ser->reader));
2292 array_init(return_value);
2293 zend_hash_next_index_insert(ser->ids, return_value);
2294
2295 while (true) {
2296 ION_TYPE typ;
2297 ION_CHECK(ion_reader_next(ser->reader, &typ));
2298
2299 if (typ == tid_EOF) {
2300 break;
2301 }
2302
2303 zval next;
2304 php_ion_unserialize_zval(ser, &next, &typ);
2305 ION_CATCH();
2306
2307 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &next);
2308 }
2309
2310 ION_CHECK(ion_reader_step_out(ser->reader));
2311 }
2312
2313 LOCAL void php_ion_reader_read_lob(ION_READER *reader, zval *return_value)
2314 {
2315 zend_string *zstr = zend_string_alloc(0x1000, 0);
2316 again: ;
2317 SIZE read = 0;
2318 iERR err = ion_reader_read_lob_bytes(reader, (BYTE *) zstr->val, (SIZE) zstr->len, &read);
2319 if (err == IERR_BUFFER_TOO_SMALL) {
2320 zstr = zend_string_extend(zstr, zstr->len << 2, 0);
2321 goto again;
2322 }
2323 ION_CHECK(err, zend_string_release(zstr));
2324 if (zstr->len > read) {
2325 zstr->val[read] = 0;
2326 zstr = zend_string_truncate(zstr, read, 0);
2327 }
2328 RETURN_STR(zstr);
2329 }
2330
2331 LOCAL void php_ion_reader_read_timestamp(ION_READER *reader, ION_READER_OPTIONS *opt, zval *return_value)
2332 {
2333 ION_TIMESTAMP ts;
2334 ION_CHECK(ion_reader_read_timestamp(reader, &ts));
2335
2336 object_init_ex(return_value, ce_Timestamp);
2337 php_ion_timestamp *ts_obj = php_ion_obj(timestamp, Z_OBJ_P(return_value));
2338
2339 zend_string *fmt = NULL;
2340 decContext *ctx = opt ? opt->decimal_context : NULL;
2341 ts_obj->time = php_time_from_ion(&ts, ctx, &fmt);
2342 php_ion_timestamp_ctor(ts_obj, ts.precision, fmt, NULL, NULL);
2343 zend_string_release(fmt);
2344
2345 OBJ_CHECK(ts_obj);
2346 }
2347
2348 LOCAL void php_ion_reader_read_int(ION_READER *reader, zval *return_value)
2349 {
2350 ION_INT *num = NULL;
2351 ION_CHECK(ion_int_alloc(reader, &num));
2352 ION_CHECK(ion_reader_read_ion_int(reader, num));
2353
2354 // TODO: SIZEOF_ZEND_LONG == 4
2355 int64_t i64;
2356 iERR err = ion_int_to_int64(num, &i64);
2357 switch (err) {
2358 case IERR_OK:
2359 RETVAL_LONG(i64);
2360 goto done;
2361
2362 case IERR_NUMERIC_OVERFLOW: ;
2363 SIZE max, len;
2364 ION_CHECK(ion_int_char_length(num, &max));
2365 zend_string *zs = zend_string_alloc(max, 0);
2366
2367 err = ion_int_to_char(num, (BYTE *) zs->val, max, &len);
2368 zs->val[zs->len = len] = 0;
2369 RETVAL_STR(zs);
2370 /* fall through */
2371
2372 default:
2373 done:
2374 ion_int_free(num);
2375 ION_CHECK(err);
2376 }
2377 }
2378
2379 LOCAL void php_ion_unserialize_backref(php_ion_unserializer *ser, zval *return_value)
2380 {
2381 zval *backref = zend_hash_index_find(ser->ids, Z_LVAL_P(return_value));
2382
2383 if (backref) {
2384 ZVAL_COPY_VALUE(return_value, backref);
2385 zend_hash_next_index_insert(ser->addref, return_value);
2386 } else {
2387 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INTERNAL_ERROR,
2388 "Could not find back reference " ZEND_LONG_FMT, Z_LVAL_P(return_value));
2389 }
2390 }
2391
2392 LOCAL void php_ion_unserialize_annotations(php_ion_unserializer *ser)
2393 {
2394 memset(&ser->annotations, 0, sizeof(ser->annotations));
2395
2396 int32_t ann_cnt;
2397 ION_CHECK(ion_reader_get_annotation_count(ser->reader, &ann_cnt));
2398 for (int32_t i = 0; i < ann_cnt; ++i) {
2399 ION_STRING ann_str;
2400 ION_CHECK(ion_reader_get_an_annotation(ser->reader, i, &ann_str));
2401
2402 if (ann_str.length != 1) {
2403 if (ION_STRING_EQUALS(&ann_str, &ION_SYMBOL_SHARED_SYMBOL_TABLE_STRING)) {
2404 ser->annotations.shared_symtab = true;
2405 }
2406 continue;
2407 }
2408
2409 switch (*ann_str.value) {
2410 case 'R':
2411 if (ser->annotations.makeref) {
2412 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2413 "Invalid multiple reference annotations");
2414 return;
2415 }
2416 ser->annotations.makeref = true;
2417 break;
2418
2419 case 'r':
2420 if (ser->annotations.backref) {
2421 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2422 "Invalid multiple back reference annotations");
2423 return;
2424 }
2425 ser->annotations.backref = true;
2426 break;
2427
2428 case 'p':
2429 if (ser->annotations.object_prop) {
2430 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2431 "Invalid multiple object property annotations");
2432 return;
2433 }
2434 ser->annotations.object_prop = true;
2435
2436 ION_STRING prop_class;
2437 ION_CHECK(ion_reader_get_an_annotation(ser->reader, ++i, &prop_class));
2438 ser->annotations.property_class = zend_string_from_ion(&prop_class);
2439
2440 zval zptmp;
2441 ZVAL_STR(&zptmp, ser->annotations.property_class);
2442 zend_hash_next_index_insert(ser->tmp, &zptmp);
2443 break;
2444
2445 case 'E':
2446 case 'S':
2447 case 'O':
2448 case 'C':
2449 case 'o':
2450 case 'c':
2451 if (ser->annotations.object_type) {
2452 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2453 "Invalid multiple object type annotations: %c::%c",
2454 ser->annotations.object_type, *ann_str.value);
2455 return;
2456 }
2457 if ('o' != (ser->annotations.object_type = *ann_str.value)) {
2458 ION_STRING class_name;
2459 ION_CHECK(ion_reader_get_an_annotation(ser->reader, ++i, &class_name));
2460 ser->annotations.object_class = zend_string_from_ion(&class_name);
2461
2462 zval zctmp;
2463 ZVAL_STR(&zctmp, ser->annotations.object_class);
2464 zend_hash_next_index_insert(ser->tmp, &zctmp);
2465 }
2466 break;
2467 }
2468
2469 // sanity checks
2470 if (ser->annotations.object_type && ser->annotations.object_type != 'o' && !ser->annotations.object_class) {
2471 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2472 "Invalid object annotation without class name: %c::", ser->annotations.object_type);
2473 return;
2474 }
2475 if (ser->annotations.object_type == 'o' && ser->annotations.object_class) {
2476 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2477 "Invalid object annotation with class name: o::%s", ser->annotations.object_class->val);
2478 return;
2479 }
2480 }
2481 }
2482
2483 LOCAL void php_ion_unserialize_zval(php_ion_unserializer *ser, zval *return_value, ION_TYPE *typ)
2484 {
2485 if (typ) {
2486 memcpy(&ser->type, typ, sizeof(ser->type)); // NOLINT
2487 } else {
2488 typ = &ser->type;
2489 ION_CHECK(ion_reader_next(ser->reader, typ));
2490 }
2491
2492 php_ion_unserialize_annotations(ser);
2493 ION_CATCH();
2494
2495 if (ser->annotations.makeref) {
2496 ZVAL_MAKE_REF(return_value);
2497 zend_hash_next_index_insert(ser->ids, return_value);
2498 ZVAL_DEREF(return_value);
2499 }
2500
2501 if (ION_TYPE_INT(*typ) > 0) {
2502 BOOL is_null;
2503 ION_CHECK(ion_reader_is_null(ser->reader, &is_null));
2504 if (is_null) {
2505 RETURN_NULL();
2506 }
2507 }
2508
2509 switch (ION_TYPE_INT(*typ)) {
2510 case tid_NULL_INT:
2511 ION_CHECK(ion_reader_read_null(ser->reader, typ));
2512 RETURN_NULL();
2513
2514 case tid_BOOL_INT: ;
2515 BOOL bval;
2516 ION_CHECK(ion_reader_read_bool(ser->reader, &bval));
2517 RETURN_BOOL(bval);
2518
2519 case tid_INT_INT:
2520 php_ion_reader_read_int(ser->reader, return_value);
2521 if (ser->annotations.backref) {
2522 ION_CATCH();
2523 php_ion_unserialize_backref(ser, return_value);
2524 }
2525 if (ser->annotations.object_type) {
2526 if (!ser->annotations.backref) {
2527 zend_throw_exception_ex(spl_ce_RuntimeException, IERR_INVALID_SYNTAX,
2528 "Invalid object type annotation: %c::" ZEND_LONG_FMT,
2529 ser->annotations.object_type, Z_LVAL_P(return_value));
2530 return;
2531 }
2532 goto unserialize_struct;
2533 }
2534 return;
2535
2536 case tid_FLOAT_INT: ;
2537 double d;
2538 ION_CHECK(ion_reader_read_double(ser->reader, &d));
2539 RETURN_DOUBLE(d);
2540
2541 case tid_DECIMAL_INT:
2542 object_init_ex(return_value, ce_Decimal);
2543 php_ion_decimal *dec = php_ion_obj(decimal, Z_OBJ_P(return_value));
2544 ION_CHECK(ion_reader_read_ion_decimal(ser->reader, &dec->dec));
2545 php_ion_decimal_ctor(dec);
2546 zend_hash_next_index_insert(ser->ids, return_value);
2547 return;
2548
2549 case tid_TIMESTAMP_INT:
2550 php_ion_reader_read_timestamp(ser->reader, ser->options, return_value);
2551 zend_hash_next_index_insert(ser->ids, return_value);
2552 return;
2553
2554 case tid_SYMBOL_INT: ;
2555 ION_SYMBOL sym;
2556 ION_CHECK(ion_reader_read_ion_symbol(ser->reader, &sym));
2557 php_ion_symbol_zval(&sym, return_value);
2558 if (ser->annotations.object_type) {
2559 goto unserialize_struct;
2560 }
2561 zend_hash_next_index_insert(ser->ids, return_value);
2562 return;
2563
2564 case tid_STRING_INT: ;
2565 ION_STRING str;
2566 ION_CHECK(ion_reader_read_string(ser->reader, &str));
2567 RETVAL_STRINGL((char *) str.value, str.length);
2568 if (ser->annotations.object_type) {
2569 goto unserialize_struct;
2570 }
2571 zend_hash_next_index_insert(ser->ids, return_value);
2572 return;
2573
2574 case tid_CLOB_INT:
2575 case tid_BLOB_INT:
2576 php_ion_reader_read_lob(ser->reader, return_value);
2577 if (ser->annotations.object_type) {
2578 goto unserialize_struct;
2579 }
2580 zend_hash_next_index_insert(ser->ids, return_value);
2581 return;
2582
2583 case tid_LIST_INT:
2584 case tid_SEXP_INT: // FIXME
2585 php_ion_unserialize_list(ser, return_value);
2586 if (!ser->annotations.object_type) {
2587 return;
2588 }
2589 /* fall through */
2590
2591 case tid_STRUCT_INT:
2592 unserialize_struct: ;
2593 php_ion_unserialize_struct(ser, return_value);
2594 return;
2595
2596 case tid_none_INT:
2597 ZEND_ASSERT(0);
2598 break;
2599
2600 case tid_DATAGRAM_INT:
2601 ZEND_ASSERT(!"datagram");
2602 case tid_EOF_INT:
2603 return;
2604 }
2605 }
2606
2607 #define php_ion_unserializer_php_copy(o,n)
2608 php_ion_decl(unserializer_php, Unserializer_PHP);
2609 #define clone_ion_Unserializer_PHP NULL
2610
2611 LOCAL void php_ion_unserialize_ex(php_ion_unserializer *ser, zval *return_value)
2612 {
2613 if (ser->multi_seq) {
2614 array_init(return_value);
2615 }
2616
2617 do {
2618 zval tmp;
2619 ZVAL_NULL(&tmp);
2620 php_ion_globals_unserializer_step();
2621 php_ion_unserialize_zval(ser, &tmp, NULL);
2622 php_ion_globals_unserializer_exit();
2623 ION_CATCH(zval_ptr_dtor(&tmp));
2624
2625 if (!ser->multi_seq) {
2626 RETURN_COPY_VALUE(&tmp);
2627 } else if (ser->type != tid_EOF) {
2628 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &tmp);
2629 }
2630 } while (ser->type != tid_EOF);
2631 }
2632
2633 void php_ion_unserialize(php_ion_unserializer *ser, zval *zdata, zval *return_value)
2634 {
2635 zend_object *zo_opt = NULL, *zo_ser = NULL;
2636
2637 if (!ser) {
2638 zo_ser = create_ion_Unserializer_PHP(NULL);
2639 php_ion_unserializer_php *o_ser = php_ion_obj(unserializer_php, zo_ser);
2640 PTR_CHECK(o_ser);
2641 o_ser->unserializer.call_magic = true;
2642 php_ion_unserializer_php_ctor(o_ser);
2643 ION_CATCH();
2644 ser = &o_ser->unserializer;
2645 }
2646
2647 zend_object *zo_reader;
2648 php_ion_reader *reader;
2649 ZVAL_DEREF(zdata);
2650
2651 if (Z_TYPE_P(zdata) == IS_RESOURCE) {
2652 zo_reader = create_ion_Reader_Reader(ce_Reader_Stream_Reader);
2653 reader = php_ion_obj(reader, zo_reader);
2654 reader->type = STREAM_READER;
2655 php_stream_from_zval_no_verify(reader->stream.ptr, zdata);
2656 } else if (Z_TYPE_P(zdata) <= IS_STRING) {
2657 zo_reader = create_ion_Reader_Reader(ce_Reader_Buffer_Reader);
2658 reader = php_ion_obj(reader, zo_reader);
2659 reader->type = BUFFER_READER;
2660 reader->buffer = zval_get_string(zdata);
2661 } else {
2662 zend_throw_exception_ex(spl_ce_InvalidArgumentException, IERR_INVALID_ARG,
2663 "Invalid source to unserialize: expected string or resource, got %s",
2664 zend_zval_type_name(zdata));
2665 if (zo_ser) {
2666 OBJ_RELEASE(zo_ser);
2667 }
2668 return;
2669 }
2670
2671 if (ser->options) {
2672 zo_opt = reader->opt = php_ion_reader_options_new();
2673 php_ion_obj(reader_options, reader->opt)->opt = *ser->options;
2674 }
2675
2676 php_ion_reader_ctor(reader);
2677 ser->reader = reader->reader;
2678
2679 if (!EG(exception)) {
2680 php_ion_unserialize_ex(ser, return_value);
2681 }
2682
2683 OBJ_RELEASE(zo_reader);
2684 if (zo_opt) {
2685 OBJ_RELEASE(zo_opt);
2686 }
2687 if (zo_ser) {
2688 OBJ_RELEASE(zo_ser);
2689 }
2690 }
PHP extension for Amazon ION