2 +--------------------------------------------------------------------+
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 +--------------------------------------------------------------------+
19 #include <ext/standard/info.h>
21 #include "php_propro.h"
25 #define DEBUG_PROPRO 0
27 #if PHP_VERSION_ID < 50400
28 # define object_properties_init(o, ce) zend_hash_copy(((zend_object *) o)->properties, &(ce->default_properties), (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval*))
31 PHP_PROPRO_API php_property_proxy_t
*php_property_proxy_init(zval
*container
, const char *member_str
, size_t member_len TSRMLS_DC
)
33 php_property_proxy_t
*proxy
= ecalloc(1, sizeof(*proxy
));
35 Z_ADDREF_P(container
);
36 proxy
->container
= container
;
37 proxy
->member_str
= estrndup(member_str
, member_len
);
38 proxy
->member_len
= member_len
;
43 PHP_PROPRO_API
void php_property_proxy_free(php_property_proxy_t
**proxy
)
46 zval_ptr_dtor(&(*proxy
)->container
);
47 efree((*proxy
)->member_str
);
53 static zend_class_entry
*php_property_proxy_class_entry
;
54 static zend_object_handlers php_property_proxy_object_handlers
;
56 PHP_PROPRO_API zend_class_entry
*php_property_proxy_get_class_entry(void)
58 return php_property_proxy_class_entry
;
61 PHP_PROPRO_API zend_object_value
php_property_proxy_object_new(zend_class_entry
*ce TSRMLS_DC
)
63 return php_property_proxy_object_new_ex(ce
, NULL
, NULL TSRMLS_CC
);
66 static void php_property_proxy_object_free(void *object TSRMLS_DC
)
68 php_property_proxy_object_t
*o
= object
;
71 fprintf(stderr
, "#PP %p free\n", o
);
75 php_property_proxy_free(&o
->proxy
);
78 zend_objects_store_del_ref_by_handle_ex(o
->parent
->zv
.handle
, o
->parent
->zv
.handlers TSRMLS_CC
);
81 zend_object_std_dtor((zend_object
*) o TSRMLS_CC
);
85 PHP_PROPRO_API zend_object_value
php_property_proxy_object_new_ex(zend_class_entry
*ce
, php_property_proxy_t
*proxy
, php_property_proxy_object_t
**ptr TSRMLS_DC
)
87 php_property_proxy_object_t
*o
;
89 o
= ecalloc(1, sizeof(*o
));
90 zend_object_std_init((zend_object
*) o
, ce TSRMLS_CC
);
91 object_properties_init((zend_object
*) o
, ce
);
98 o
->zv
.handle
= zend_objects_store_put(o
, NULL
, php_property_proxy_object_free
, NULL TSRMLS_CC
);
99 o
->zv
.handlers
= &php_property_proxy_object_handlers
;
102 fprintf(stderr
, "#PP %p init\n", o
);
109 /* we do not really care about TS when debugging */
110 static int level
= 1;
111 static const char space
[] = " ";
112 static const char *inoutstr
[] = {"< return",""," > enter"};
113 static void _walk(php_property_proxy_object_t
*obj TSRMLS_DC
)
116 _walk(obj
->parent TSRMLS_CC
);
117 fprintf(stderr
, ".%s", obj
->proxy
->member_str
);
121 static void debug_propro(int inout
, const char *f
, zval
*object
, zval
*offset
, zval
*value TSRMLS_DC
)
123 php_property_proxy_object_t
*obj
= zend_object_store_get_object(object TSRMLS_CC
);
125 fprintf(stderr
, "#PP %p %s %s %s ", obj
, &space
[sizeof(space
)-level
], inoutstr
[inout
+1], f
);
129 _walk(obj TSRMLS_CC
);
135 char *offset_str
= "[]";
139 convert_to_string_ex(&o
);
140 offset_str
= Z_STRVAL_P(o
);
143 fprintf(stderr
, ".%s", offset_str
);
145 if (o
&& o
!= offset
) {
163 fprintf(stderr
, " = (%s) ", t
[Z_TYPE_P(value
)&0xf]);
164 zend_print_flat_zval_r(value TSRMLS_CC
);
167 fprintf(stderr
, "\n");
170 #define debug_propro(l, f, obj, off, val)
173 static zval
*get_parent_proxied_value(zval
*object TSRMLS_DC
);
174 static zval
*get_proxied_value(zval
*object TSRMLS_DC
);
175 static zval
*read_dimension(zval
*object
, zval
*offset
, int type TSRMLS_DC
);
176 static STATUS
cast_proxied_value(zval
*object
, zval
*return_value
, int type TSRMLS_DC
);
177 static void write_dimension(zval
*object
, zval
*offset
, zval
*value TSRMLS_DC
);
178 static void set_proxied_value(zval
**object
, zval
*value TSRMLS_DC
);
180 static zval
*get_parent_proxied_value(zval
*object TSRMLS_DC
)
183 php_property_proxy_object_t
*obj
= zend_object_store_get_object(object TSRMLS_CC
);
189 MAKE_STD_ZVAL(parent
);
190 parent
->type
= IS_OBJECT
;
191 parent
->value
.obj
= obj
->parent
->zv
;
192 zend_objects_store_add_ref_by_handle(obj
->parent
->zv
.handle TSRMLS_CC
);
193 value
= get_proxied_value(parent TSRMLS_CC
);
194 zval_ptr_dtor(&parent
);
201 static zval
*get_proxied_value(zval
*object TSRMLS_DC
)
203 zval
**hash_value
, *value
= NULL
;
204 php_property_proxy_object_t
*obj
= zend_object_store_get_object(object TSRMLS_CC
);
206 debug_propro(1, "get", object
, NULL
, NULL TSRMLS_CC
);
210 zval
*parent_value
= get_parent_proxied_value(object TSRMLS_CC
);
212 if (parent_value
&& parent_value
!= obj
->proxy
->container
) {
213 Z_ADDREF_P(parent_value
);
214 zval_ptr_dtor(&obj
->proxy
->container
);
215 obj
->proxy
->container
= parent_value
;
218 switch (Z_TYPE_P(obj
->proxy
->container
)) {
220 value
= zend_read_property(Z_OBJCE_P(obj
->proxy
->container
), obj
->proxy
->container
, obj
->proxy
->member_str
, obj
->proxy
->member_len
, 0 TSRMLS_CC
);
224 if (SUCCESS
== zend_symtable_find(Z_ARRVAL_P(obj
->proxy
->container
), obj
->proxy
->member_str
, obj
->proxy
->member_len
+ 1, (void *) &hash_value
)) {
231 debug_propro(-1, "get", object
, NULL
, value TSRMLS_CC
);
236 static STATUS
cast_proxied_value(zval
*object
, zval
*return_value
, int type TSRMLS_DC
)
240 if ((proxied_value
= get_proxied_value(object TSRMLS_CC
))) {
241 RETVAL_ZVAL(proxied_value
, 1, 0);
242 if (Z_TYPE_P(proxied_value
) != type
) {
243 convert_to_explicit_type(return_value
, type
);
251 static void set_proxied_value(zval
**object
, zval
*value TSRMLS_DC
)
253 php_property_proxy_object_t
*obj
= zend_object_store_get_object(*object TSRMLS_CC
);
255 debug_propro(1, "set", *object
, NULL
, value TSRMLS_CC
);
259 zval
*parent_value
= get_parent_proxied_value(*object TSRMLS_CC
);
261 if (parent_value
&& parent_value
!= obj
->proxy
->container
) {
262 Z_ADDREF_P(parent_value
);
263 zval_ptr_dtor(&obj
->proxy
->container
);
264 obj
->proxy
->container
= parent_value
;
268 switch (Z_TYPE_P(obj
->proxy
->container
)) {
270 zend_update_property(Z_OBJCE_P(obj
->proxy
->container
), obj
->proxy
->container
, obj
->proxy
->member_str
, obj
->proxy
->member_len
, value TSRMLS_CC
);
275 zend_symtable_update(Z_ARRVAL_P(obj
->proxy
->container
), obj
->proxy
->member_str
, obj
->proxy
->member_len
+ 1, (void *) &value
, sizeof(zval
*), NULL
);
281 MAKE_STD_ZVAL(zparent
);
282 zparent
->type
= IS_OBJECT
;
283 zparent
->value
.obj
= obj
->parent
->zv
;
284 zend_objects_store_add_ref_by_handle(obj
->parent
->zv
.handle TSRMLS_CC
);
285 set_proxied_value(&zparent
, obj
->proxy
->container TSRMLS_CC
);
286 zval_ptr_dtor(&zparent
);
290 debug_propro(-1, "set", *object
, NULL
, NULL TSRMLS_CC
);
293 static zval
*read_dimension(zval
*object
, zval
*offset
, int type TSRMLS_DC
)
299 debug_propro(1, type
== BP_VAR_R
? "dim_read" : "dim_read_ref", object
, offset
, NULL TSRMLS_CC
);
301 proxied_value
= get_proxied_value(object TSRMLS_CC
);
302 convert_to_string_ex(&o
);
304 if (BP_VAR_R
== type
&& proxied_value
) {
305 if (Z_TYPE_P(proxied_value
) == IS_ARRAY
) {
307 if (SUCCESS
== zend_symtable_find(Z_ARRVAL_P(proxied_value
), Z_STRVAL_P(o
), Z_STRLEN_P(o
), (void *) &hash_value
)) {
308 Z_ADDREF_PP(hash_value
);
313 php_property_proxy_t
*proxy
;
314 php_property_proxy_object_t
*proxy_obj
;
317 convert_to_array(proxied_value
);
318 Z_ADDREF_P(proxied_value
);
320 MAKE_STD_ZVAL(proxied_value
);
321 array_init(proxied_value
);
322 set_proxied_value(&object
, proxied_value TSRMLS_CC
);
325 //add_assoc_null_ex(proxied_value, Z_STRVAL_P(o), Z_STRLEN_P(o) + 1);
327 proxy
= php_property_proxy_init(proxied_value
, Z_STRVAL_P(o
), Z_STRLEN_P(o
) TSRMLS_CC
);
328 zval_ptr_dtor(&proxied_value
);
329 MAKE_STD_ZVAL(value
);
330 Z_SET_REFCOUNT_P(value
, 0);
331 value
->type
= IS_OBJECT
;
332 value
->value
.obj
= php_property_proxy_object_new_ex(php_property_proxy_get_class_entry(), proxy
, &proxy_obj TSRMLS_CC
);
333 proxy_obj
->parent
= zend_object_store_get_object(object TSRMLS_CC
);
334 zend_objects_store_add_ref_by_handle(proxy_obj
->parent
->zv
.handle TSRMLS_CC
);
336 if (o
&& o
!= offset
) {
340 debug_propro(-1, type
== BP_VAR_R
? "dim_read" : "dim_read_ref", object
, offset
, value TSRMLS_CC
);
345 static int has_dimension(zval
*object
, zval
*offset
, int check_empty TSRMLS_DC
)
350 debug_propro(1, "dim_exists", object
, offset
, NULL TSRMLS_CC
);
352 proxied_value
= get_proxied_value(object TSRMLS_CC
);
353 if (!proxied_value
) {
358 convert_to_string_ex(&o
);
360 if (Z_TYPE_P(proxied_value
) == IS_ARRAY
) {
363 if (SUCCESS
!= zend_symtable_find(Z_ARRVAL_P(proxied_value
), Z_STRVAL_P(o
), Z_STRLEN_P(o
) + 1, (void *) &zentry
)) {
367 exists
= Z_TYPE_PP(zentry
) != IS_NULL
;
379 debug_propro(-1, "dim_exists", object
, offset
, NULL TSRMLS_CC
);
384 static void write_dimension(zval
*object
, zval
*offset
, zval
*value TSRMLS_DC
)
386 zval
*proxied_value
, *o
= offset
;
388 debug_propro(1, "dim_write", object
, offset
, value TSRMLS_CC
);
390 proxied_value
= get_proxied_value(object TSRMLS_CC
);
393 convert_to_array(proxied_value
);
394 Z_ADDREF_P(proxied_value
);
396 MAKE_STD_ZVAL(proxied_value
);
397 array_init(proxied_value
);
400 if (Z_REFCOUNT_P(value
) > 1) {
401 SEPARATE_ZVAL(&value
);
406 convert_to_string_ex(&o
);
407 zend_symtable_update(Z_ARRVAL_P(proxied_value
), Z_STRVAL_P(o
), Z_STRLEN_P(o
) + 1, (void *) &value
, sizeof(zval
*), NULL
);
409 zend_hash_next_index_insert(Z_ARRVAL_P(proxied_value
), (void *) &value
, sizeof(zval
*), NULL
);
412 if (o
&& o
!= offset
) {
416 set_proxied_value(&object
, proxied_value TSRMLS_CC
);
418 debug_propro(-1, "dim_write", object
, offset
, proxied_value TSRMLS_CC
);
420 zval_ptr_dtor(&proxied_value
);
423 static void unset_dimension(zval
*object
, zval
*offset TSRMLS_DC
)
427 debug_propro(1, "dim_unset", object
, offset
, NULL TSRMLS_CC
);
429 proxied_value
= get_proxied_value(object TSRMLS_CC
);
431 if (proxied_value
&& Z_TYPE_P(proxied_value
) == IS_ARRAY
) {
434 convert_to_string_ex(&o
);
436 if (SUCCESS
== zend_symtable_del(Z_ARRVAL_P(proxied_value
), Z_STRVAL_P(o
), Z_STRLEN_P(o
) + 1)) {
437 set_proxied_value(&object
, proxied_value TSRMLS_CC
);
445 debug_propro(-1, "dim_unset", object
, offset
, proxied_value TSRMLS_CC
);
448 ZEND_BEGIN_ARG_INFO_EX(ai_propro_construct
, 0, 0, 2)
449 ZEND_ARG_INFO(1, object
)
450 ZEND_ARG_INFO(0, member
)
451 ZEND_ARG_OBJ_INFO(0, parent
, php
\\PropertyProxy
, 1)
453 static PHP_METHOD(propro
, __construct
) {
454 zend_error_handling zeh
;
455 zval
*container
, *parent
= NULL
;
459 zend_replace_error_handling(EH_THROW
, NULL
, &zeh TSRMLS_CC
);
460 if (SUCCESS
== zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC
, "zs|O!", &container
, &member_str
, &member_len
, &parent
, php_property_proxy_class_entry
)) {
461 php_property_proxy_object_t
*obj
= zend_object_store_get_object(getThis() TSRMLS_CC
);
463 obj
->proxy
= php_property_proxy_init(container
, member_str
, member_len TSRMLS_CC
);
465 zend_objects_store_add_ref(parent TSRMLS_CC
);
466 obj
->parent
= zend_object_store_get_object(parent TSRMLS_CC
);
469 zend_restore_error_handling(&zeh TSRMLS_CC
);
472 static const zend_function_entry php_property_proxy_method_entry
[] = {
473 PHP_ME(propro
, __construct
, ai_propro_construct
, ZEND_ACC_PUBLIC
|ZEND_ACC_CTOR
)
477 static PHP_MINIT_FUNCTION(propro
)
479 zend_class_entry ce
= {0};
481 INIT_NS_CLASS_ENTRY(ce
, "php", "PropertyProxy", php_property_proxy_method_entry
);
482 php_property_proxy_class_entry
= zend_register_internal_class_ex(&ce
, NULL
, NULL TSRMLS_CC
);
483 php_property_proxy_class_entry
->create_object
= php_property_proxy_object_new
;
484 php_property_proxy_class_entry
->ce_flags
|= ZEND_ACC_FINAL_CLASS
;
486 memcpy(&php_property_proxy_object_handlers
, zend_get_std_object_handlers(), sizeof(zend_object_handlers
));
487 php_property_proxy_object_handlers
.set
= set_proxied_value
;
488 php_property_proxy_object_handlers
.get
= get_proxied_value
;
489 php_property_proxy_object_handlers
.cast_object
= cast_proxied_value
;
490 php_property_proxy_object_handlers
.read_dimension
= read_dimension
;
491 php_property_proxy_object_handlers
.write_dimension
= write_dimension
;
492 php_property_proxy_object_handlers
.has_dimension
= has_dimension
;
493 php_property_proxy_object_handlers
.unset_dimension
= unset_dimension
;
498 PHP_MINFO_FUNCTION(propro
)
500 php_info_print_table_start();
501 php_info_print_table_header(2, "Property proxy support", "enabled");
502 php_info_print_table_row(2, "Extension version", PHP_PROPRO_VERSION
);
503 php_info_print_table_end();
506 static const zend_function_entry propro_functions
[] = {
510 zend_module_entry propro_module_entry
= {
511 STANDARD_MODULE_HEADER
,
520 STANDARD_MODULE_PROPERTIES
523 #ifdef COMPILE_DL_PROPRO
524 ZEND_GET_MODULE(propro
)
533 * vim600: noet sw=4 ts=4 fdm=marker
534 * vim<600: noet sw=4 ts=4