git.m6w6.name Git - m6w6/ext-http/blob - php_http_property_proxy.c

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: http                                                       |
   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) 2004-2011, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 #include "php_http_api.h"
  14
  15 #ifndef PHP_HTTP_PPDBG
  16 #       define PHP_HTTP_PPDBG 0
  17 #endif
  18
  19 php_http_property_proxy_t *php_http_property_proxy_init(php_http_property_proxy_t *proxy, zval *object, zval *member, zval *parent TSRMLS_DC)
  20 {
  21         if (!proxy) {
  22                 proxy = emalloc(sizeof(*proxy));
  23         }
  24         memset(proxy, 0, sizeof(*proxy));
  25
  26         MAKE_STD_ZVAL(proxy->myself);
  27         ZVAL_OBJVAL(proxy->myself, php_http_property_proxy_object_new_ex(php_http_property_proxy_class_entry, proxy, NULL TSRMLS_CC), 0);
  28         Z_ADDREF_P(object);
  29         proxy->object = object;
  30         proxy->member = php_http_ztyp(IS_STRING, member);
  31         if (parent) {
  32                 Z_ADDREF_P(parent);
  33                 proxy->parent = parent;
  34         }
  35
  36 #if PHP_HTTP_PPDBG
  37         fprintf(stderr, "proxy_init: %s\n", Z_STRVAL_P(proxy->member));
  38 #endif
  39         return proxy;
  40 }
  41
  42 void php_http_property_proxy_dtor(php_http_property_proxy_t *proxy)
  43 {
  44         zval_ptr_dtor(&proxy->object);
  45         zval_ptr_dtor(&proxy->member);
  46         zval_ptr_dtor(&proxy->myself);
  47         if (proxy->parent) {
  48                 zval_ptr_dtor(&proxy->parent);
  49         }
  50 }
  51
  52 void php_http_property_proxy_free(php_http_property_proxy_t **proxy)
  53 {
  54         if (*proxy) {
  55                 php_http_property_proxy_dtor(*proxy);
  56                 efree(*proxy);
  57                 *proxy = NULL;
  58         }
  59 }
  60
  61
  62 #define PHP_HTTP_BEGIN_ARGS(method, req_args)                   PHP_HTTP_BEGIN_ARGS_EX(HttpPropertyProxy, method, 0, req_args)
  63 #define PHP_HTTP_EMPTY_ARGS(method)                                             PHP_HTTP_EMPTY_ARGS_EX(HttpPropertyProxy, method, 0)
  64 #define PHP_HTTP_PP_ME(method, visibility)                              PHP_ME(HttpPropertyProxy, method, PHP_HTTP_ARGS(HttpPropertyProxy, method), visibility)
  65
  66 PHP_HTTP_EMPTY_ARGS(__construct);
  67
  68 zend_class_entry *php_http_property_proxy_class_entry;
  69 zend_function_entry php_http_property_proxy_method_entry[] = {
  70         PHP_HTTP_PP_ME(__construct, ZEND_ACC_FINAL|ZEND_ACC_PRIVATE)
  71         EMPTY_FUNCTION_ENTRY
  72 };
  73 static zend_object_handlers php_http_property_proxy_object_handlers;
  74
  75 zend_object_value php_http_property_proxy_object_new(zend_class_entry *ce TSRMLS_DC)
  76 {
  77         return php_http_property_proxy_object_new_ex(ce, NULL, NULL TSRMLS_CC);
  78 }
  79
  80 zend_object_value php_http_property_proxy_object_new_ex(zend_class_entry *ce, php_http_property_proxy_t *proxy, php_http_property_proxy_object_t **ptr TSRMLS_DC)
  81 {
  82         zend_object_value ov;
  83         php_http_property_proxy_object_t *o;
  84
  85         o = ecalloc(1, sizeof(*o));
  86         zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
  87         object_properties_init((zend_object *) o, ce);
  88
  89         if (ptr) {
  90                 *ptr = o;
  91         }
  92         o->proxy = proxy;
  93
  94         ov.handle = zend_objects_store_put(o, NULL, php_http_property_proxy_object_free, NULL TSRMLS_CC);
  95         ov.handlers = &php_http_property_proxy_object_handlers;
  96
  97         return ov;
  98 }
  99
 100 void php_http_property_proxy_object_free(void *object TSRMLS_DC)
 101 {
 102         php_http_property_proxy_object_t *o = object;
 103
 104         if (o->proxy) {
 105                 php_http_property_proxy_free(&o->proxy);
 106         }
 107         zend_object_std_dtor((zend_object *) o TSRMLS_CC);
 108         efree(o);
 109 }
 110
 111 static zval *php_http_property_proxy_object_get(zval *object TSRMLS_DC)
 112 {
 113         php_http_property_proxy_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
 114
 115 #if PHP_HTTP_PPDBG
 116         fprintf(stderr, "proxy_get: %s\n", Z_STRVAL_P(obj->proxy->member));
 117 #endif
 118         if (Z_TYPE_P(obj->proxy->object) == IS_OBJECT) {
 119                 return zend_read_property(Z_OBJCE_P(obj->proxy->object), obj->proxy->object, Z_STRVAL_P(obj->proxy->member), Z_STRLEN_P(obj->proxy->member), 0 TSRMLS_CC);
 120         } else {
 121                 zval **data = NULL;
 122
 123                 if (SUCCESS == zend_symtable_find(Z_ARRVAL_P(obj->proxy->object), Z_STRVAL_P(obj->proxy->member), Z_STRLEN_P(obj->proxy->member)+1, (void *) &data)) {
 124                         Z_ADDREF_PP(data);
 125                 } else {
 126                         zval *unset;
 127
 128                         MAKE_STD_ZVAL(unset);
 129                         ZVAL_NULL(unset);
 130                         zend_symtable_update(Z_ARRVAL_P(obj->proxy->object), Z_STRVAL_P(obj->proxy->member), Z_STRLEN_P(obj->proxy->member)+1, (void *) &unset, sizeof(zval *), (void *) &data);
 131                 }
 132
 133                 return *data;
 134         }
 135
 136         return NULL;
 137 }
 138
 139 static void php_http_property_proxy_object_set(zval **object, zval *value TSRMLS_DC)
 140 {
 141         php_http_property_proxy_object_t *obj = zend_object_store_get_object(*object TSRMLS_CC);
 142         zval *target = obj->proxy->parent ? php_http_property_proxy_object_get(obj->proxy->parent TSRMLS_CC) : obj->proxy->object;
 143
 144 #if PHP_HTTP_PPDBG
 145         fprintf(stderr, "proxy_set: %s\n", Z_STRVAL_P(obj->proxy->member));
 146 #endif
 147         if (Z_TYPE_P(target) == IS_OBJECT) {
 148                 zend_update_property(Z_OBJCE_P(target), target, Z_STRVAL_P(obj->proxy->member), Z_STRLEN_P(obj->proxy->member), value TSRMLS_CC);
 149         } else {
 150                 Z_ADDREF_P(value);
 151                 zend_symtable_update(Z_ARRVAL_P(target), Z_STRVAL_P(obj->proxy->member), Z_STRLEN_P(obj->proxy->member)+1, (void *) &value, sizeof(zval *), NULL);
 152         }
 153         /* propagate */
 154         if (obj->proxy->parent) {
 155                 php_http_property_proxy_object_set(&obj->proxy->parent, target TSRMLS_CC);
 156                 zval_ptr_dtor(&target);
 157         }
 158 }
 159
 160 static STATUS php_http_property_proxy_object_cast(zval *object, zval *return_value, int type TSRMLS_DC)
 161 {
 162         zval *old_value, *new_value;
 163
 164         old_value = php_http_property_proxy_object_get(object TSRMLS_CC);
 165         new_value = php_http_ztyp(type, old_value);
 166
 167         if (old_value != new_value) {
 168                 zval_ptr_dtor(&old_value);
 169         }
 170
 171         RETVAL_ZVAL(new_value, 0, 0);
 172
 173         return SUCCESS;
 174 }
 175
 176 static zval *php_http_property_proxy_object_read_dimension(zval *object, zval *offset, int type TSRMLS_DC)
 177 {
 178         php_http_property_proxy_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
 179         zval *retval = NULL, *property;
 180
 181 #if PHP_HTTP_PPDBG
 182         zval *ocpy = php_http_ztyp(IS_STRING, offset);
 183         fprintf(stderr, "read_dimension: %s.%s (%d)\n", Z_STRVAL_P(obj->proxy->member), Z_STRVAL_P(ocpy), type);
 184         zval_ptr_dtor(&ocpy);
 185 #endif
 186
 187         property = php_http_property_proxy_object_get(object TSRMLS_CC);
 188         if (type != BP_VAR_R) {
 189                 Z_ADDREF_P(property);
 190                 retval = php_http_property_proxy_init(NULL, property, offset, obj->proxy->myself TSRMLS_CC)->myself;
 191         } else if (Z_TYPE_P(property) == IS_ARRAY) {
 192                 zval **data = NULL;
 193
 194                 if (Z_TYPE_P(offset) == IS_LONG) {
 195                         if (SUCCESS == zend_hash_index_find(Z_ARRVAL_P(property), Z_LVAL_P(offset), (void *) &data))  {
 196                                 retval = *data;
 197                         }
 198                 } else {
 199                         offset = php_http_ztyp(IS_STRING, offset);
 200                         if (SUCCESS == zend_symtable_find(Z_ARRVAL_P(property), Z_STRVAL_P(offset), Z_STRLEN_P(offset), (void *) &data)) {
 201                                 retval = *data;
 202                         }
 203                         zval_ptr_dtor(&offset);
 204                 }
 205
 206                 if (data) {
 207                         Z_ADDREF_PP(data);
 208                 }
 209         }
 210         zval_ptr_dtor(&property);
 211
 212         return retval;
 213 }
 214
 215 static void php_http_property_proxy_object_write_dimension(zval *object, zval *offset, zval *value TSRMLS_DC)
 216 {
 217         zval *property = php_http_property_proxy_object_get(object TSRMLS_CC);
 218
 219 #if PHP_HTTP_PPDBG
 220         php_http_property_proxy_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
 221         zval *ocpy = offset ? php_http_ztyp(IS_STRING, offset) : offset;
 222         fprintf(stderr, "write_dimension: %s.%s (%d)\n", Z_STRVAL_P(obj->proxy->member), ocpy?Z_STRVAL_P(ocpy):"", Z_TYPE_P(property));
 223         if(ocpy)zval_ptr_dtor(&ocpy);
 224 #endif
 225         switch (Z_TYPE_P(property)) {
 226                 case IS_NULL:
 227                         array_init(property);
 228                         /* no break */
 229                 case IS_ARRAY:
 230                         Z_ADDREF_P(value);
 231                         if (!offset) {
 232                                 add_next_index_zval(property, value);
 233                         } else if (Z_TYPE_P(offset) == IS_LONG) {
 234                                 add_index_zval(property, Z_LVAL_P(offset), value);
 235                         } else {
 236                                 offset = php_http_ztyp(IS_STRING, offset);
 237                                 add_assoc_zval_ex(property, Z_STRVAL_P(offset), Z_STRLEN_P(offset) + 1, value);
 238                                 zval_ptr_dtor(&offset);
 239                         }
 240                         php_http_property_proxy_object_set(&object, property TSRMLS_CC);
 241                         zval_ptr_dtor(&property);
 242                         break;
 243
 244                 default:
 245                         zval_ptr_dtor(&property);
 246                         break;
 247         }
 248 }
 249
 250 PHP_METHOD(HttpPropertyProxy, __construct)
 251 {
 252 }
 253
 254 PHP_MINIT_FUNCTION(http_property_proxy)
 255 {
 256         PHP_HTTP_REGISTER_CLASS(http\\Object, PropertyProxy, http_property_proxy, NULL, ZEND_ACC_FINAL);
 257         php_http_property_proxy_class_entry->create_object = php_http_property_proxy_object_new;
 258         memcpy(&php_http_property_proxy_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
 259         php_http_property_proxy_object_handlers.set = php_http_property_proxy_object_set;
 260         php_http_property_proxy_object_handlers.get = php_http_property_proxy_object_get;
 261         php_http_property_proxy_object_handlers.cast_object = php_http_property_proxy_object_cast;
 262         php_http_property_proxy_object_handlers.read_dimension = php_http_property_proxy_object_read_dimension;
 263         php_http_property_proxy_object_handlers.write_dimension = php_http_property_proxy_object_write_dimension;
 264
 265         return SUCCESS;
 266 }
 267
 268
 269 /*
 270  * Local variables:
 271  * tab-width: 4
 272  * c-basic-offset: 4
 273  * End:
 274  * vim600: noet sw=4 ts=4 fdm=marker
 275  * vim<600: noet sw=4 ts=4
 276  */
 277