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
  21 void *php_pq_object_create(zend_class_entry *ce, void *intern, size_t obj_size, zend_object_handlers *oh, HashTable *ph)
  22 {
  23         php_pq_object_t *o = ecalloc(1, obj_size + zend_object_properties_size(ce));
  24
  25         zend_object_std_init(&o->zo, ce);
  26         object_properties_init(&o->zo, ce);
  27         o->zo.handlers = oh;
  28         o->intern = intern;
  29         o->prophandler = ph;
  30
  31         zend_hash_init(&o->gc, 0, NULL, NULL, 0);
  32
  33         return o;
  34 }
  35
  36 void php_pq_object_dtor(zend_object *o)
  37 {
  38         php_pq_object_t *obj = PHP_PQ_OBJ(NULL, o);
  39
  40         zend_hash_destroy(&obj->gc);
  41         zend_object_std_dtor(o);
  42 }
  43
  44 void php_pq_object_to_zval(void *o, zval *zv)
  45 {
  46         php_pq_object_t *obj = o;
  47
  48         ZVAL_OBJ(zv, &obj->zo);
  49         Z_ADDREF_P(zv);
  50 }
  51
  52 void php_pq_object_to_zval_no_addref(void *o, zval *zv)
  53 {
  54         php_pq_object_t *obj = o;
  55
  56         ZVAL_OBJ(zv, &obj->zo);
  57 }
  58
  59 void php_pq_object_addref(void *o)
  60 {
  61         php_pq_object_t *obj = o;
  62 #ifdef GC_ADDREF
  63         GC_ADDREF(&obj->zo);
  64 #else
  65         ++GC_REFCOUNT(&obj->zo);
  66 #endif
  67 }
  68
  69 void php_pq_object_delref(void *o)
  70 {
  71         php_pq_object_t *obj = o;
  72         zval tmp;
  73
  74         /* this should gc immediately */
  75         ZVAL_OBJ(&tmp, &obj->zo);
  76         zval_ptr_dtor(&tmp);
  77 }
  78
  79 struct apply_pi_to_ht_arg {
  80         HashTable *ht;
  81         zval *object;
  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 member, return_value;
  96
  97                         ZVAL_STR(&member, pi->name);
  98                         ZVAL_ARR(&return_value, arg->ht);
  99                         handler->gc(arg->object, arg->pq_obj, &return_value);
 100                 }
 101         } else {
 102                 zval tmp_prop, *property = NULL;
 103
 104                 property = zend_read_property(arg->pq_obj->zo.ce, arg->object, pi->name->val, pi->name->len, 0, &tmp_prop);
 105                 zend_hash_update(arg->ht, pi->name, property);
 106         }
 107
 108         return ZEND_HASH_APPLY_KEEP;
 109 }
 110
 111 HashTable *php_pq_object_debug_info(zval *object, int *temp)
 112 {
 113         struct apply_pi_to_ht_arg arg = {NULL};
 114
 115         *temp = 1;
 116         ALLOC_HASHTABLE(arg.ht);
 117         ZEND_INIT_SYMTABLE(arg.ht);
 118
 119         arg.object = object;
 120         arg.pq_obj = PHP_PQ_OBJ(object, NULL);
 121         arg.gc = 0;
 122
 123         zend_hash_apply_with_argument(&arg.pq_obj->zo.ce->properties_info, apply_pi_to_ht, &arg);
 124
 125         return arg.ht;
 126 }
 127
 128 HashTable *php_pq_object_properties(zval *object)
 129 {
 130         struct apply_pi_to_ht_arg arg = {NULL};
 131
 132         arg.ht = zend_get_std_object_handlers()->get_properties(object);
 133         arg.object = object;
 134         arg.pq_obj = PHP_PQ_OBJ(object, NULL);
 135         arg.gc = 0;
 136
 137         zend_hash_apply_with_argument(&arg.pq_obj->zo.ce->properties_info, apply_pi_to_ht, &arg);
 138
 139         return arg.ht;
 140 }
 141
 142 HashTable *php_pq_object_get_gc(zval *object, zval **table, int *n)
 143 {
 144         struct apply_pi_to_ht_arg arg = {NULL};
 145
 146         arg.object = object;
 147         arg.pq_obj = PHP_PQ_OBJ(object, NULL);
 148         arg.ht = &arg.pq_obj->gc;
 149         arg.gc = 1;
 150
 151         zend_hash_clean(arg.ht);
 152         zend_hash_copy(arg.ht, zend_std_get_properties(object), NULL);
 153         zend_hash_apply_with_argument(&arg.pq_obj->zo.ce->properties_info, apply_pi_to_ht, &arg);
 154
 155         *table = NULL;
 156         *n = 0;
 157
 158         return arg.ht;
 159 }
 160
 161 zend_class_entry *ancestor(zend_class_entry *ce)
 162 {
 163         while (ce->parent) {
 164                 ce = ce->parent;
 165         }
 166         return ce;
 167 }
 168
 169 zval *php_pq_object_read_prop(zval *object, zval *member, int type, void **cache_slot, zval *tmp)
 170 {
 171         php_pq_object_t *obj = PHP_PQ_OBJ(object, NULL);
 172         php_pq_object_prophandler_t *handler;
 173         zval *return_value = NULL;
 174
 175         return_value = zend_get_std_object_handlers()->read_property(object, member, type, cache_slot, tmp);
 176
 177         if (!obj->intern) {
 178                 php_error(E_RECOVERABLE_ERROR, "%s not initialized", ancestor(obj->zo.ce)->name->val);
 179         } else if (!(handler = zend_hash_find_ptr(obj->prophandler, Z_STR_P(member))) || !handler->read) {
 180                 /* default handler */
 181         } else if (type != BP_VAR_R) {
 182                 php_error(E_WARNING, "Cannot access %s properties by reference or array key/index", ancestor(obj->zo.ce)->name->val);
 183         } else {
 184                 handler->read(object, obj, tmp);
 185                 zend_get_std_object_handlers()->write_property(object, member, tmp, cache_slot);
 186                 return_value = tmp;
 187
 188                 /*
 189                 zval dtor;
 190
 191                 ZVAL_COPY_VALUE(&dtor, return_value);
 192
 193                 ZVAL_ZVAL(return_value, tmp, 0, 0);
 194                 zval_ptr_dtor(&dtor);
 195
 196                 */
 197
 198                 if (cache_slot) {
 199                         *cache_slot = NULL;
 200                 }
 201         }
 202
 203         return return_value;
 204 }
 205
 206 php_pq_object_write_prop_t php_pq_object_write_prop(zval *object, zval *member, zval *value, void **cache_slot)
 207 {
 208         php_pq_object_t *obj = PHP_PQ_OBJ(object, NULL);
 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                 zend_get_std_object_handlers()->write_property(object, member, value, cache_slot);
 214         } else if ((handler = zend_hash_find_ptr(obj->prophandler, Z_STR_P(member)))) {
 215                 if (handler->write) {
 216                         handler->write(object, obj, value);
 217                 }
 218         } else {
 219                 zend_get_std_object_handlers()->write_property(object, member, value, cache_slot);
 220         }
 221 #if PHP_VERSION_ID >= 70400
 222         return value;
 223 #endif
 224 }
 225
 226 zval *php_pq_object_get_prop_ptr_null(zval *object, zval *member, int type, void **cache_slot)
 227 {
 228         return NULL;
 229 }
 230
 231 void php_pq_object_prophandler_dtor(zval *zv) {
 232         pefree(Z_PTR_P(zv), 1);
 233 }
 234