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) \
29 zend_hash_copy(((zend_object *) o)->properties, &(ce->default_properties), \
30 (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval*))
33 php_property_proxy_t
*php_property_proxy_init(zval
*container
,
34 const char *member_str
, size_t member_len TSRMLS_DC
)
36 php_property_proxy_t
*proxy
= ecalloc(1, sizeof(*proxy
));
38 Z_ADDREF_P(container
);
39 proxy
->container
= container
;
40 proxy
->member_str
= estrndup(member_str
, member_len
);
41 proxy
->member_len
= member_len
;
46 void php_property_proxy_free(php_property_proxy_t
**proxy
)
49 zval_ptr_dtor(&(*proxy
)->container
);
50 efree((*proxy
)->member_str
);
56 static zend_class_entry
*php_property_proxy_class_entry
;
57 static zend_object_handlers php_property_proxy_object_handlers
;
59 zend_class_entry
*php_property_proxy_get_class_entry(void)
61 return php_property_proxy_class_entry
;
64 zend_object_value
php_property_proxy_object_new(zend_class_entry
*ce TSRMLS_DC
)
66 return php_property_proxy_object_new_ex(ce
, NULL
, NULL TSRMLS_CC
);
69 static void php_property_proxy_object_free(void *object TSRMLS_DC
)
71 php_property_proxy_object_t
*o
= object
;
74 fprintf(stderr
, "#PP %p free\n", o
);
78 php_property_proxy_free(&o
->proxy
);
81 zend_objects_store_del_ref_by_handle_ex(o
->parent
->zv
.handle
,
82 o
->parent
->zv
.handlers TSRMLS_CC
);
85 zend_object_std_dtor((zend_object
*) o TSRMLS_CC
);
89 zend_object_value
php_property_proxy_object_new_ex(zend_class_entry
*ce
,
90 php_property_proxy_t
*proxy
, php_property_proxy_object_t
**ptr TSRMLS_DC
)
92 php_property_proxy_object_t
*o
;
94 o
= ecalloc(1, sizeof(*o
));
95 zend_object_std_init((zend_object
*) o
, ce TSRMLS_CC
);
96 object_properties_init((zend_object
*) o
, ce
);
103 o
->zv
.handle
= zend_objects_store_put(o
, NULL
,
104 php_property_proxy_object_free
, NULL TSRMLS_CC
);
105 o
->zv
.handlers
= &php_property_proxy_object_handlers
;
108 fprintf(stderr
, "#PP %p init\n", o
);
115 /* we do not really care about TS when debugging */
116 static int level
= 1;
117 static const char space
[] = " ";
118 static const char *inoutstr
[] = {"< return",""," > enter"};
119 static void _walk(php_property_proxy_object_t
*obj TSRMLS_DC
)
122 _walk(obj
->parent TSRMLS_CC
);
123 fprintf(stderr
, ".%s", obj
->proxy
->member_str
);
127 static void debug_propro(int inout
, const char *f
, zval
*object
, zval
*offset
,
128 zval
*value TSRMLS_DC
)
130 php_property_proxy_object_t
*obj
;
132 obj
= zend_object_store_get_object(object TSRMLS_CC
);
133 fprintf(stderr
, "#PP %p %s %s %s ", obj
, &space
[sizeof(space
)-level
],
134 inoutstr
[inout
+1], f
);
138 _walk(obj TSRMLS_CC
);
144 char *offset_str
= "[]";
148 convert_to_string_ex(&o
);
149 offset_str
= Z_STRVAL_P(o
);
152 fprintf(stderr
, ".%s", offset_str
);
154 if (o
&& o
!= offset
) {
172 fprintf(stderr
, " = (%s) ", t
[Z_TYPE_P(value
)&0xf]);
173 zend_print_flat_zval_r(value TSRMLS_CC
);
176 fprintf(stderr
, "\n");
179 #define debug_propro(l, f, obj, off, val)
182 static zval
*get_parent_proxied_value(zval
*object TSRMLS_DC
);
183 static zval
*get_proxied_value(zval
*object TSRMLS_DC
);
184 static zval
*read_dimension(zval
*object
, zval
*offset
, int type TSRMLS_DC
);
185 static STATUS
cast_proxied_value(zval
*object
, zval
*return_value
,
187 static void write_dimension(zval
*object
, zval
*offset
, zval
*value TSRMLS_DC
);
188 static void set_proxied_value(zval
**object
, zval
*value TSRMLS_DC
);
190 static zval
*get_parent_proxied_value(zval
*object TSRMLS_DC
)
193 php_property_proxy_object_t
*obj
;
195 obj
= zend_object_store_get_object(object TSRMLS_CC
);
200 MAKE_STD_ZVAL(parent
);
201 parent
->type
= IS_OBJECT
;
202 parent
->value
.obj
= obj
->parent
->zv
;
203 zend_objects_store_add_ref_by_handle(
204 obj
->parent
->zv
.handle TSRMLS_CC
);
205 value
= get_proxied_value(parent TSRMLS_CC
);
206 zval_ptr_dtor(&parent
);
213 static zval
*get_proxied_value(zval
*object TSRMLS_DC
)
215 zval
**hash_value
, *value
= NULL
;
216 php_property_proxy_object_t
*obj
;
219 obj
= zend_object_store_get_object(object TSRMLS_CC
);
220 debug_propro(1, "get", object
, NULL
, NULL TSRMLS_CC
);
224 zval
*parent_value
= get_parent_proxied_value(object TSRMLS_CC
);
226 if (parent_value
&& parent_value
!= obj
->proxy
->container
) {
227 Z_ADDREF_P(parent_value
);
228 zval_ptr_dtor(&obj
->proxy
->container
);
229 obj
->proxy
->container
= parent_value
;
232 switch (Z_TYPE_P(obj
->proxy
->container
)) {
234 value
= zend_read_property(Z_OBJCE_P(obj
->proxy
->container
),
235 obj
->proxy
->container
, obj
->proxy
->member_str
,
236 obj
->proxy
->member_len
, 0 TSRMLS_CC
);
240 rv
= zend_symtable_find(Z_ARRVAL_P(obj
->proxy
->container
),
241 obj
->proxy
->member_str
, obj
->proxy
->member_len
+ 1,
242 (void *) &hash_value
);
251 debug_propro(-1, "get", object
, NULL
, value TSRMLS_CC
);
256 static STATUS
cast_proxied_value(zval
*object
, zval
*return_value
,
261 if ((proxied_value
= get_proxied_value(object TSRMLS_CC
))) {
262 RETVAL_ZVAL(proxied_value
, 1, 0);
263 if (Z_TYPE_P(proxied_value
) != type
) {
264 convert_to_explicit_type(return_value
, type
);
272 static void set_proxied_value(zval
**object
, zval
*value TSRMLS_DC
)
274 php_property_proxy_object_t
*obj
;
276 obj
= zend_object_store_get_object(*object TSRMLS_CC
);
277 debug_propro(1, "set", *object
, NULL
, value TSRMLS_CC
);
281 zval
*parent_value
= get_parent_proxied_value(*object TSRMLS_CC
);
283 if (parent_value
&& parent_value
!= obj
->proxy
->container
) {
284 Z_ADDREF_P(parent_value
);
285 zval_ptr_dtor(&obj
->proxy
->container
);
286 obj
->proxy
->container
= parent_value
;
290 switch (Z_TYPE_P(obj
->proxy
->container
)) {
292 zend_update_property(Z_OBJCE_P(obj
->proxy
->container
),
293 obj
->proxy
->container
, obj
->proxy
->member_str
,
294 obj
->proxy
->member_len
, value TSRMLS_CC
);
299 zend_symtable_update(Z_ARRVAL_P(obj
->proxy
->container
),
300 obj
->proxy
->member_str
, obj
->proxy
->member_len
+ 1,
301 (void *) &value
, sizeof(zval
*), NULL
);
307 MAKE_STD_ZVAL(zparent
);
308 zparent
->type
= IS_OBJECT
;
309 zparent
->value
.obj
= obj
->parent
->zv
;
310 zend_objects_store_add_ref_by_handle(
311 obj
->parent
->zv
.handle TSRMLS_CC
);
312 set_proxied_value(&zparent
, obj
->proxy
->container TSRMLS_CC
);
313 zval_ptr_dtor(&zparent
);
317 debug_propro(-1, "set", *object
, NULL
, NULL TSRMLS_CC
);
320 static zval
*read_dimension(zval
*object
, zval
*offset
, int type TSRMLS_DC
)
326 debug_propro(1, type
== BP_VAR_R
? "dim_read" : "dim_read_ref", object
,
327 offset
, NULL TSRMLS_CC
);
329 proxied_value
= get_proxied_value(object TSRMLS_CC
);
330 convert_to_string_ex(&o
);
332 if (BP_VAR_R
== type
&& proxied_value
) {
333 if (Z_TYPE_P(proxied_value
) == IS_ARRAY
) {
335 STATUS rv
= zend_symtable_find(Z_ARRVAL_P(proxied_value
),
336 Z_STRVAL_P(o
), Z_STRLEN_P(o
), (void *) &hash_value
);
339 Z_ADDREF_PP(hash_value
);
344 php_property_proxy_t
*proxy
;
345 php_property_proxy_object_t
*proxy_obj
;
348 convert_to_array(proxied_value
);
349 Z_ADDREF_P(proxied_value
);
351 MAKE_STD_ZVAL(proxied_value
);
352 array_init(proxied_value
);
353 set_proxied_value(&object
, proxied_value TSRMLS_CC
);
356 proxy
= php_property_proxy_init(proxied_value
, Z_STRVAL_P(o
),
357 Z_STRLEN_P(o
) TSRMLS_CC
);
358 zval_ptr_dtor(&proxied_value
);
359 MAKE_STD_ZVAL(value
);
360 Z_SET_REFCOUNT_P(value
, 0);
361 value
->type
= IS_OBJECT
;
362 value
->value
.obj
= php_property_proxy_object_new_ex(
363 php_property_proxy_get_class_entry(), proxy
,
364 &proxy_obj TSRMLS_CC
);
365 proxy_obj
->parent
= zend_object_store_get_object(object TSRMLS_CC
);
366 zend_objects_store_add_ref_by_handle(
367 proxy_obj
->parent
->zv
.handle TSRMLS_CC
);
369 if (o
&& o
!= offset
) {
373 debug_propro(-1, type
== BP_VAR_R
? "dim_read" : "dim_read_ref", object
,
374 offset
, value TSRMLS_CC
);
379 static int has_dimension(zval
*object
, zval
*offset
, int check_empty TSRMLS_DC
)
384 debug_propro(1, "dim_exists", object
, offset
, NULL TSRMLS_CC
);
386 proxied_value
= get_proxied_value(object TSRMLS_CC
);
387 if (!proxied_value
) {
392 convert_to_string_ex(&o
);
394 if (Z_TYPE_P(proxied_value
) == IS_ARRAY
) {
396 STATUS rv
= zend_symtable_find(Z_ARRVAL_P(proxied_value
), Z_STRVAL_P(o
), Z_STRLEN_P(o
) + 1, (void *) &zentry
);
402 exists
= Z_TYPE_PP(zentry
) != IS_NULL
;
414 debug_propro(-1, "dim_exists", object
, offset
, NULL TSRMLS_CC
);
419 static void write_dimension(zval
*object
, zval
*offset
, zval
*value TSRMLS_DC
)
421 zval
*proxied_value
, *o
= offset
;
423 debug_propro(1, "dim_write", object
, offset
, value TSRMLS_CC
);
425 proxied_value
= get_proxied_value(object TSRMLS_CC
);
428 convert_to_array(proxied_value
);
429 Z_ADDREF_P(proxied_value
);
431 MAKE_STD_ZVAL(proxied_value
);
432 array_init(proxied_value
);
435 if (Z_REFCOUNT_P(value
) > 1) {
436 SEPARATE_ZVAL(&value
);
441 convert_to_string_ex(&o
);
442 zend_symtable_update(Z_ARRVAL_P(proxied_value
), Z_STRVAL_P(o
),
443 Z_STRLEN_P(o
) + 1, (void *) &value
, sizeof(zval
*), NULL
);
445 zend_hash_next_index_insert(Z_ARRVAL_P(proxied_value
), (void *) &value
,
446 sizeof(zval
*), NULL
);
449 if (o
&& o
!= offset
) {
453 set_proxied_value(&object
, proxied_value TSRMLS_CC
);
455 debug_propro(-1, "dim_write", object
, offset
, proxied_value TSRMLS_CC
);
457 zval_ptr_dtor(&proxied_value
);
460 static void unset_dimension(zval
*object
, zval
*offset TSRMLS_DC
)
464 debug_propro(1, "dim_unset", object
, offset
, NULL TSRMLS_CC
);
466 proxied_value
= get_proxied_value(object TSRMLS_CC
);
468 if (proxied_value
&& Z_TYPE_P(proxied_value
) == IS_ARRAY
) {
472 convert_to_string_ex(&o
);
473 rv
= zend_symtable_del(Z_ARRVAL_P(proxied_value
), Z_STRVAL_P(o
),
477 set_proxied_value(&object
, proxied_value TSRMLS_CC
);
485 debug_propro(-1, "dim_unset", object
, offset
, proxied_value TSRMLS_CC
);
488 ZEND_BEGIN_ARG_INFO_EX(ai_propro_construct
, 0, 0, 2)
489 ZEND_ARG_INFO(1, object
)
490 ZEND_ARG_INFO(0, member
)
491 ZEND_ARG_OBJ_INFO(0, parent
, php
\\PropertyProxy
, 1)
493 static PHP_METHOD(propro
, __construct
) {
494 zend_error_handling zeh
;
495 zval
*container
, *parent
= NULL
;
499 zend_replace_error_handling(EH_THROW
, NULL
, &zeh TSRMLS_CC
);
500 if (SUCCESS
== zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC
, "zs|O!",
501 &container
, &member_str
, &member_len
, &parent
,
502 php_property_proxy_class_entry
)) {
503 php_property_proxy_object_t
*obj
;
505 obj
= zend_object_store_get_object(getThis() TSRMLS_CC
);
506 obj
->proxy
= php_property_proxy_init(container
, member_str
,
507 member_len TSRMLS_CC
);
509 zend_objects_store_add_ref(parent TSRMLS_CC
);
510 obj
->parent
= zend_object_store_get_object(parent TSRMLS_CC
);
513 zend_restore_error_handling(&zeh TSRMLS_CC
);
516 static const zend_function_entry php_property_proxy_method_entry
[] = {
517 PHP_ME(propro
, __construct
, ai_propro_construct
, ZEND_ACC_PUBLIC
)
521 static PHP_MINIT_FUNCTION(propro
)
523 zend_class_entry ce
= {0};
525 INIT_NS_CLASS_ENTRY(ce
, "php", "PropertyProxy",
526 php_property_proxy_method_entry
);
527 php_property_proxy_class_entry
= zend_register_internal_class_ex(&ce
, NULL
,
529 php_property_proxy_class_entry
->create_object
=
530 php_property_proxy_object_new
;
531 php_property_proxy_class_entry
->ce_flags
|= ZEND_ACC_FINAL_CLASS
;
533 memcpy(&php_property_proxy_object_handlers
, zend_get_std_object_handlers(),
534 sizeof(zend_object_handlers
));
535 php_property_proxy_object_handlers
.set
= set_proxied_value
;
536 php_property_proxy_object_handlers
.get
= get_proxied_value
;
537 php_property_proxy_object_handlers
.cast_object
= cast_proxied_value
;
538 php_property_proxy_object_handlers
.read_dimension
= read_dimension
;
539 php_property_proxy_object_handlers
.write_dimension
= write_dimension
;
540 php_property_proxy_object_handlers
.has_dimension
= has_dimension
;
541 php_property_proxy_object_handlers
.unset_dimension
= unset_dimension
;
546 PHP_MINFO_FUNCTION(propro
)
548 php_info_print_table_start();
549 php_info_print_table_header(2, "Property proxy support", "enabled");
550 php_info_print_table_row(2, "Extension version", PHP_PROPRO_VERSION
);
551 php_info_print_table_end();
554 static const zend_function_entry propro_functions
[] = {
558 zend_module_entry propro_module_entry
= {
559 STANDARD_MODULE_HEADER
,
568 STANDARD_MODULE_PROPERTIES
571 #ifdef COMPILE_DL_PROPRO
572 ZEND_GET_MODULE(propro
)
581 * vim600: noet sw=4 ts=4 fdm=marker
582 * vim<600: noet sw=4 ts=4