git.m6w6.name Git - m6w6/ext-pq/blob - src/php_pq_object.c

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: pq                                                         |
   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) 2013, Michael Wallner <mike@php.net>                 |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 #ifdef HAVE_CONFIG_H
  14 #       include "config.h"
  15 #endif
  16
  17 #include <php.h>
  18
  19 #include "php_pq_object.h"
  20 #include "php_pq_misc.h"
  21
  22 void *php_pq_object_create(zend_class_entry *ce, void *intern, size_t obj_size, zend_object_handlers *oh, HashTable *ph)
  23 {
  24         php_pq_object_t *o = ecalloc(1, obj_size + zend_object_properties_size(ce));
  25
  26         zend_object_std_init(&o->zo, ce);
  27         object_properties_init(&o->zo, ce);
  28         o->zo.handlers = oh;
  29         o->intern = intern;
  30         o->prophandler = ph;
  31
  32         zend_hash_init(&o->gc, 0, NULL, NULL, 0);
  33
  34         return o;
  35 }
  36
  37 void php_pq_object_dtor(zend_object *o)
  38 {
  39         php_pq_object_t *obj = PHP_PQ_OBJ(NULL, o);
  40
  41         zend_hash_destroy(&obj->gc);
  42         zend_object_std_dtor(o);
  43 }
  44
  45 void php_pq_object_to_zval(void *o, zval *zv)
  46 {
  47         php_pq_object_t *obj = o;
  48
  49         ZVAL_OBJ(zv, &obj->zo);
  50         Z_ADDREF_P(zv);
  51 }
  52
  53 void php_pq_object_to_zval_no_addref(void *o, zval *zv)
  54 {
  55         php_pq_object_t *obj = o;
  56
  57         ZVAL_OBJ(zv, &obj->zo);
  58 }
  59
  60 void php_pq_object_addref(void *o)
  61 {
  62         php_pq_object_t *obj = o;
  63 #ifdef GC_ADDREF
  64         GC_ADDREF(&obj->zo);
  65 #else
  66         ++GC_REFCOUNT(&obj->zo);
  67 #endif
  68 }
  69
  70 void php_pq_object_delref(void *o)
  71 {
  72         php_pq_object_t *obj = o;
  73         zval tmp;
  74
  75         /* this should gc immediately */
  76         ZVAL_OBJ(&tmp, &obj->zo);
  77         zval_ptr_dtor(&tmp);
  78 }
  79
  80 struct apply_pi_to_ht_arg {
  81         HashTable *ht;
  82         php_pq_object_t *pq_obj;
  83         unsigned gc:1;
  84 };
  85
  86 static int apply_pi_to_ht(zval *p, void *a)
  87 {
  88         zend_property_info *pi = Z_PTR_P(p);
  89         struct apply_pi_to_ht_arg *arg = a;
  90
  91         if (arg->gc) {
  92                 php_pq_object_prophandler_t *handler;
  93
  94                 if ((handler = zend_hash_find_ptr(arg->pq_obj->prophandler, pi->name)) && handler->gc) {
  95                         zval return_value;
  96
  97                         ZVAL_ARR(&return_value, arg->ht);
  98                         handler->gc(arg->pq_obj, &return_value);
  99                 }
 100         } else {
 101                 zval tmp_prop, *property;
 102 #if PHP_VERSION_ID < 80000
 103                 zval zobj;
 104
 105                 ZVAL_OBJ(&zobj, &arg->pq_obj->zo);
 106                 property = zend_read_property_ex(arg->pq_obj->zo.ce, &zobj, pi->name, 0, &tmp_prop);
 107 #elif PHP_VERSION_ID >= 70100
 108                 property = zend_read_property_ex(arg->pq_obj->zo.ce, &arg->pq_obj->zo, pi->name, 0, &tmp_prop);
 109 #else
 110                 property = zend_read_property(arg->pq_obj->zo.ce, &arg->pq_obj->zo, pi->name->val, pi->name->len, 0, &tmp_prop);
 111 #endif
 112                 zend_hash_update(arg->ht, pi->name, property);
 113         }
 114
 115         return ZEND_HASH_APPLY_KEEP;
 116 }
 117
 118 static inline HashTable *php_pq_object_debug_info_ex(zend_object *object, int *temp)
 119 {
 120         struct apply_pi_to_ht_arg arg = {NULL};
 121
 122         *temp = 1;
 123         ALLOC_HASHTABLE(arg.ht);
 124         ZEND_INIT_SYMTABLE(arg.ht);
 125
 126         arg.pq_obj = PHP_PQ_OBJ(NULL, object);
 127         arg.gc = 0;
 128
 129         zend_hash_apply_with_argument(&arg.pq_obj->zo.ce->properties_info, apply_pi_to_ht, &arg);
 130
 131         return arg.ht;
 132 }
 133 #if PHP_VERSION_ID >= 80000
 134 HashTable *php_pq_object_debug_info(zend_object *object, int *temp)
 135 {
 136         return php_pq_object_debug_info_ex(object, temp);
 137 }
 138 #else
 139 HashTable *php_pq_object_debug_info(zval *object, int *temp)
 140 {
 141         return php_pq_object_debug_info_ex(Z_OBJ_P(object), temp);
 142 }
 143 #endif
 144
 145 static inline HashTable *php_pq_object_properties_ex(zend_object *object, HashTable *props)
 146 {
 147         struct apply_pi_to_ht_arg arg = {NULL};
 148
 149         arg.ht = props;
 150         arg.pq_obj = PHP_PQ_OBJ(NULL, object);
 151         arg.gc = 0;
 152
 153         zend_hash_apply_with_argument(&arg.pq_obj->zo.ce->properties_info, apply_pi_to_ht, &arg);
 154
 155         return arg.ht;
 156 }
 157 #if PHP_VERSION_ID >= 80000
 158 HashTable *php_pq_object_properties(zend_object *object)
 159 {
 160         return php_pq_object_properties_ex(object, zend_std_get_properties(object));
 161 }
 162 #else
 163 HashTable *php_pq_object_properties(zval *object)
 164 {
 165         return php_pq_object_properties_ex(Z_OBJ_P(object), zend_std_get_properties(object));
 166 }
 167 #endif
 168
 169 static inline HashTable *php_pq_object_get_gc_ex(zend_object *object, HashTable *props, zval **table, int *n)
 170 {
 171         struct apply_pi_to_ht_arg arg = {NULL};
 172
 173         arg.pq_obj = PHP_PQ_OBJ(NULL, object);
 174         arg.ht = &arg.pq_obj->gc;
 175         arg.gc = 1;
 176
 177         zend_hash_clean(arg.ht);
 178         zend_hash_copy(arg.ht, props, NULL);
 179         zend_hash_apply_with_argument(&arg.pq_obj->zo.ce->properties_info, apply_pi_to_ht, &arg);
 180
 181         *table = NULL;
 182         *n = 0;
 183
 184         return arg.ht;
 185 }
 186 #if PHP_VERSION_ID >= 80000
 187 HashTable *php_pq_object_get_gc(zend_object *object, zval **table, int *n)
 188 {
 189         return php_pq_object_get_gc_ex(object, zend_std_get_properties(object), table, n);
 190 }
 191 #else
 192 HashTable *php_pq_object_get_gc(zval *object, zval **table, int *n)
 193 {
 194         return php_pq_object_get_gc_ex(Z_OBJ_P(object), zend_std_get_properties(object), table, n);
 195 }
 196 #endif
 197
 198 zend_class_entry *ancestor(zend_class_entry *ce)
 199 {
 200         while (ce->parent) {
 201                 ce = ce->parent;
 202         }
 203         return ce;
 204 }
 205
 206 static inline int php_pq_object_read_prop_ex(zend_object *object, zend_string *member, int type, zval *return_value)
 207 {
 208         php_pq_object_t *obj = PHP_PQ_OBJ(NULL, object);
 209         php_pq_object_prophandler_t *handler;
 210
 211         if (!obj->intern) {
 212                 php_error(E_RECOVERABLE_ERROR, "%s not initialized", ancestor(obj->zo.ce)->name->val);
 213         } else if (!(handler = zend_hash_find_ptr(obj->prophandler, member)) || !handler->read) {
 214                 /* default handler */
 215         } else if (type != BP_VAR_R) {
 216                 php_error(E_WARNING, "Cannot access %s properties by reference or array key/index", ancestor(obj->zo.ce)->name->val);
 217         } else {
 218                 handler->read(obj, return_value);
 219                 return SUCCESS;
 220         }
 221
 222         return FAILURE;
 223 }
 224 #if PHP_VERSION_ID >= 80000
 225 zval *php_pq_object_read_prop(zend_object *object, zend_string *member, int type, void **cache_slot, zval *tmp)
 226 {
 227         if (SUCCESS != php_pq_object_read_prop_ex(object, member, type, tmp)) {
 228                 return zend_std_read_property(object, member, type, cache_slot, tmp);
 229         }
 230
 231         zend_std_write_property(object, member, tmp, cache_slot);
 232
 233         if (cache_slot) {
 234                 *cache_slot = NULL;
 235         }
 236         return tmp;
 237 }
 238 #else
 239 zval *php_pq_object_read_prop(zval *object, zval *member, int type, void **cache_slot, zval *tmp)
 240 {
 241         zend_string *member_str = zval_get_string(member);
 242
 243         if (SUCCESS != php_pq_object_read_prop_ex(Z_OBJ_P(object), member_str, type, tmp)) {
 244                 zend_string_release(member_str);
 245                 return zend_get_std_object_handlers()->read_property(object, member, type, cache_slot, tmp);
 246         }
 247         zend_string_release(member_str);
 248
 249         zend_std_write_property(object, member, tmp, cache_slot);
 250
 251         if (cache_slot) {
 252                 *cache_slot = NULL;
 253         }
 254         return tmp;
 255 }
 256 #endif
 257
 258 static inline int php_pq_object_write_prop_ex(zend_object *object, zend_string *member, zval *value)
 259 {
 260         php_pq_object_t *obj = PHP_PQ_OBJ(NULL, object);
 261         php_pq_object_prophandler_t *handler;
 262
 263         if (!obj->intern) {
 264                 php_error(E_RECOVERABLE_ERROR, "%s not initialized", ancestor(obj->zo.ce)->name->val);
 265         } else if (!(handler = zend_hash_find_ptr(obj->prophandler, member))) {
 266                 /* default handler */
 267         } else {
 268                 if (handler->write) {
 269                         handler->write(obj, value);
 270                 }
 271                 return SUCCESS;
 272         }
 273         return FAILURE;
 274 }
 275 #if PHP_VERSION_ID >= 80000
 276 zval *php_pq_object_write_prop(zend_object *object, zend_string *member, zval *value, void **cache_slot)
 277 {
 278         if (SUCCESS != php_pq_object_write_prop_ex(object, member, value)) {
 279                 return zend_std_write_property(object, member, value, cache_slot);
 280         }
 281         return value;
 282 }
 283 #elif PHP_VERSION_ID >= 70400
 284 zval *php_pq_object_write_prop(zval *object, zval *member, zval *value, void **cache_slot)
 285 {
 286         zend_string *member_str = zval_get_string(member);
 287         if (SUCCESS != php_pq_object_write_prop_ex(Z_OBJ_P(object), member_str, value)) {
 288                 value = zend_std_write_property(object, member, value, cache_slot);
 289         }
 290         zend_string_release(member_str);
 291         return value;
 292 }
 293 #else
 294 void php_pq_object_write_prop(zval *object, zval *member, zval *value, void **cache_slot)
 295 {
 296         zend_string *member_str = zval_get_string(member);
 297         if (SUCCESS != php_pq_object_write_prop_ex(Z_OBJ_P(object), member_str, value)) {
 298                 zend_std_write_property(object, member, value, cache_slot);
 299         }
 300         zend_string_release(member_str);
 301 }
 302 #endif
 303
 304 #if PHP_VERSION_ID >= 80000
 305 zval *php_pq_object_get_prop_ptr_null(zend_object *object, zend_string *member, int type, void **cache_slot)
 306 {
 307         return NULL;
 308 }
 309 #else
 310 zval *php_pq_object_get_prop_ptr_null(zval *object, zval *member, int type, void **cache_slot)
 311 {
 312         return NULL;
 313 }
 314 #endif
 315
 316 void php_pq_object_prophandler_dtor(zval *zv) {
 317         pefree(Z_PTR_P(zv), 1);
 318 }
 319