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_PROPRO_API 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 PHP_PROPRO_API
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 PHP_PROPRO_API zend_class_entry
*php_property_proxy_get_class_entry(void)
61 return php_property_proxy_class_entry
;
64 PHP_PROPRO_API zend_object_value
php_property_proxy_object_new(
65 zend_class_entry
*ce TSRMLS_DC
)
67 return php_property_proxy_object_new_ex(ce
, NULL
, NULL TSRMLS_CC
);
70 static void php_property_proxy_object_free(void *object TSRMLS_DC
)
72 php_property_proxy_object_t
*o
= object
;
75 fprintf(stderr
, "#PP %p free\n", o
);
79 php_property_proxy_free(&o
->proxy
);
82 zend_objects_store_del_ref_by_handle_ex(o
->parent
->zv
.handle
,
83 o
->parent
->zv
.handlers TSRMLS_CC
);
86 zend_object_std_dtor((zend_object
*) o TSRMLS_CC
);
90 PHP_PROPRO_API zend_object_value
php_property_proxy_object_new_ex(
91 zend_class_entry
*ce
, php_property_proxy_t
*proxy
,
92 php_property_proxy_object_t
**ptr TSRMLS_DC
)
94 php_property_proxy_object_t
*o
;
96 o
= ecalloc(1, sizeof(*o
));
97 zend_object_std_init((zend_object
*) o
, ce TSRMLS_CC
);
98 object_properties_init((zend_object
*) o
, ce
);
105 o
->zv
.handle
= zend_objects_store_put(o
, NULL
,
106 php_property_proxy_object_free
, NULL TSRMLS_CC
);
107 o
->zv
.handlers
= &php_property_proxy_object_handlers
;
110 fprintf(stderr
, "#PP %p init\n", o
);
117 /* we do not really care about TS when debugging */
118 static int level
= 1;
119 static const char space
[] = " ";
120 static const char *inoutstr
[] = {"< return",""," > enter"};
121 static void _walk(php_property_proxy_object_t
*obj TSRMLS_DC
)
124 _walk(obj
->parent TSRMLS_CC
);
125 fprintf(stderr
, ".%s", obj
->proxy
->member_str
);
129 static void debug_propro(int inout
, const char *f
, zval
*object
, zval
*offset
,
130 zval
*value TSRMLS_DC
)
132 php_property_proxy_object_t
*obj
;
134 obj
= zend_object_store_get_object(object TSRMLS_CC
);
135 fprintf(stderr
, "#PP %p %s %s %s ", obj
, &space
[sizeof(space
)-level
],
136 inoutstr
[inout
+1], f
);
140 _walk(obj TSRMLS_CC
);
146 char *offset_str
= "[]";
150 convert_to_string_ex(&o
);
151 offset_str
= Z_STRVAL_P(o
);
154 fprintf(stderr
, ".%s", offset_str
);
156 if (o
&& o
!= offset
) {
174 fprintf(stderr
, " = (%s) ", t
[Z_TYPE_P(value
)&0xf]);
175 zend_print_flat_zval_r(value TSRMLS_CC
);
178 fprintf(stderr
, "\n");
181 #define debug_propro(l, f, obj, off, val)
184 static zval
*get_parent_proxied_value(zval
*object TSRMLS_DC
);
185 static zval
*get_proxied_value(zval
*object TSRMLS_DC
);
186 static zval
*read_dimension(zval
*object
, zval
*offset
, int type TSRMLS_DC
);
187 static STATUS
cast_proxied_value(zval
*object
, zval
*return_value
,
189 static void write_dimension(zval
*object
, zval
*offset
, zval
*value TSRMLS_DC
);
190 static void set_proxied_value(zval
**object
, zval
*value TSRMLS_DC
);
192 static zval
*get_parent_proxied_value(zval
*object TSRMLS_DC
)
195 php_property_proxy_object_t
*obj
;
197 obj
= zend_object_store_get_object(object TSRMLS_CC
);
202 MAKE_STD_ZVAL(parent
);
203 parent
->type
= IS_OBJECT
;
204 parent
->value
.obj
= obj
->parent
->zv
;
205 zend_objects_store_add_ref_by_handle(
206 obj
->parent
->zv
.handle TSRMLS_CC
);
207 value
= get_proxied_value(parent TSRMLS_CC
);
208 zval_ptr_dtor(&parent
);
215 static zval
*get_proxied_value(zval
*object TSRMLS_DC
)
217 zval
**hash_value
, *value
= NULL
;
218 php_property_proxy_object_t
*obj
;
221 obj
= zend_object_store_get_object(object TSRMLS_CC
);
222 debug_propro(1, "get", object
, NULL
, NULL TSRMLS_CC
);
226 zval
*parent_value
= get_parent_proxied_value(object TSRMLS_CC
);
228 if (parent_value
&& parent_value
!= obj
->proxy
->container
) {
229 Z_ADDREF_P(parent_value
);
230 zval_ptr_dtor(&obj
->proxy
->container
);
231 obj
->proxy
->container
= parent_value
;
234 switch (Z_TYPE_P(obj
->proxy
->container
)) {
236 value
= zend_read_property(Z_OBJCE_P(obj
->proxy
->container
),
237 obj
->proxy
->container
, obj
->proxy
->member_str
,
238 obj
->proxy
->member_len
, 0 TSRMLS_CC
);
242 rv
= zend_symtable_find(Z_ARRVAL_P(obj
->proxy
->container
),
243 obj
->proxy
->member_str
, obj
->proxy
->member_len
+ 1,
244 (void *) &hash_value
);
253 debug_propro(-1, "get", object
, NULL
, value TSRMLS_CC
);
258 static STATUS
cast_proxied_value(zval
*object
, zval
*return_value
,
263 if ((proxied_value
= get_proxied_value(object TSRMLS_CC
))) {
264 RETVAL_ZVAL(proxied_value
, 1, 0);
265 if (Z_TYPE_P(proxied_value
) != type
) {
266 convert_to_explicit_type(return_value
, type
);
274 static void set_proxied_value(zval
**object
, zval
*value TSRMLS_DC
)
276 php_property_proxy_object_t
*obj
;
278 obj
= zend_object_store_get_object(*object TSRMLS_CC
);
279 debug_propro(1, "set", *object
, NULL
, value TSRMLS_CC
);
283 zval
*parent_value
= get_parent_proxied_value(*object TSRMLS_CC
);
285 if (parent_value
&& parent_value
!= obj
->proxy
->container
) {
286 Z_ADDREF_P(parent_value
);
287 zval_ptr_dtor(&obj
->proxy
->container
);
288 obj
->proxy
->container
= parent_value
;
292 switch (Z_TYPE_P(obj
->proxy
->container
)) {
294 zend_update_property(Z_OBJCE_P(obj
->proxy
->container
),
295 obj
->proxy
->container
, obj
->proxy
->member_str
,
296 obj
->proxy
->member_len
, value TSRMLS_CC
);
301 zend_symtable_update(Z_ARRVAL_P(obj
->proxy
->container
),
302 obj
->proxy
->member_str
, obj
->proxy
->member_len
+ 1,
303 (void *) &value
, sizeof(zval
*), NULL
);
309 MAKE_STD_ZVAL(zparent
);
310 zparent
->type
= IS_OBJECT
;
311 zparent
->value
.obj
= obj
->parent
->zv
;
312 zend_objects_store_add_ref_by_handle(
313 obj
->parent
->zv
.handle TSRMLS_CC
);
314 set_proxied_value(&zparent
, obj
->proxy
->container TSRMLS_CC
);
315 zval_ptr_dtor(&zparent
);
319 debug_propro(-1, "set", *object
, NULL
, NULL TSRMLS_CC
);
322 static zval
*read_dimension(zval
*object
, zval
*offset
, int type TSRMLS_DC
)
328 debug_propro(1, type
== BP_VAR_R
? "dim_read" : "dim_read_ref", object
,
329 offset
, NULL TSRMLS_CC
);
331 proxied_value
= get_proxied_value(object TSRMLS_CC
);
332 convert_to_string_ex(&o
);
334 if (BP_VAR_R
== type
&& proxied_value
) {
335 if (Z_TYPE_P(proxied_value
) == IS_ARRAY
) {
337 STATUS rv
= zend_symtable_find(Z_ARRVAL_P(proxied_value
),
338 Z_STRVAL_P(o
), Z_STRLEN_P(o
), (void *) &hash_value
);
341 Z_ADDREF_PP(hash_value
);
346 php_property_proxy_t
*proxy
;
347 php_property_proxy_object_t
*proxy_obj
;
350 convert_to_array(proxied_value
);
351 Z_ADDREF_P(proxied_value
);
353 MAKE_STD_ZVAL(proxied_value
);
354 array_init(proxied_value
);
355 set_proxied_value(&object
, proxied_value TSRMLS_CC
);
358 proxy
= php_property_proxy_init(proxied_value
, Z_STRVAL_P(o
),
359 Z_STRLEN_P(o
) TSRMLS_CC
);
360 zval_ptr_dtor(&proxied_value
);
361 MAKE_STD_ZVAL(value
);
362 Z_SET_REFCOUNT_P(value
, 0);
363 value
->type
= IS_OBJECT
;
364 value
->value
.obj
= php_property_proxy_object_new_ex(
365 php_property_proxy_get_class_entry(), proxy
,
366 &proxy_obj TSRMLS_CC
);
367 proxy_obj
->parent
= zend_object_store_get_object(object TSRMLS_CC
);
368 zend_objects_store_add_ref_by_handle(
369 proxy_obj
->parent
->zv
.handle TSRMLS_CC
);
371 if (o
&& o
!= offset
) {
375 debug_propro(-1, type
== BP_VAR_R
? "dim_read" : "dim_read_ref", object
,
376 offset
, value TSRMLS_CC
);
381 static int has_dimension(zval
*object
, zval
*offset
, int check_empty TSRMLS_DC
)
386 debug_propro(1, "dim_exists", object
, offset
, NULL TSRMLS_CC
);
388 proxied_value
= get_proxied_value(object TSRMLS_CC
);
389 if (!proxied_value
) {
394 convert_to_string_ex(&o
);
396 if (Z_TYPE_P(proxied_value
) == IS_ARRAY
) {
398 STATUS rv
= zend_symtable_find(Z_ARRVAL_P(proxied_value
), Z_STRVAL_P(o
), Z_STRLEN_P(o
) + 1, (void *) &zentry
);
404 exists
= Z_TYPE_PP(zentry
) != IS_NULL
;
416 debug_propro(-1, "dim_exists", object
, offset
, NULL TSRMLS_CC
);
421 static void write_dimension(zval
*object
, zval
*offset
, zval
*value TSRMLS_DC
)
423 zval
*proxied_value
, *o
= offset
;
425 debug_propro(1, "dim_write", object
, offset
, value TSRMLS_CC
);
427 proxied_value
= get_proxied_value(object TSRMLS_CC
);
430 convert_to_array(proxied_value
);
431 Z_ADDREF_P(proxied_value
);
433 MAKE_STD_ZVAL(proxied_value
);
434 array_init(proxied_value
);
437 if (Z_REFCOUNT_P(value
) > 1) {
438 SEPARATE_ZVAL(&value
);
443 convert_to_string_ex(&o
);
444 zend_symtable_update(Z_ARRVAL_P(proxied_value
), Z_STRVAL_P(o
),
445 Z_STRLEN_P(o
) + 1, (void *) &value
, sizeof(zval
*), NULL
);
447 zend_hash_next_index_insert(Z_ARRVAL_P(proxied_value
), (void *) &value
,
448 sizeof(zval
*), NULL
);
451 if (o
&& o
!= offset
) {
455 set_proxied_value(&object
, proxied_value TSRMLS_CC
);
457 debug_propro(-1, "dim_write", object
, offset
, proxied_value TSRMLS_CC
);
459 zval_ptr_dtor(&proxied_value
);
462 static void unset_dimension(zval
*object
, zval
*offset TSRMLS_DC
)
466 debug_propro(1, "dim_unset", object
, offset
, NULL TSRMLS_CC
);
468 proxied_value
= get_proxied_value(object TSRMLS_CC
);
470 if (proxied_value
&& Z_TYPE_P(proxied_value
) == IS_ARRAY
) {
474 convert_to_string_ex(&o
);
475 rv
= zend_symtable_del(Z_ARRVAL_P(proxied_value
), Z_STRVAL_P(o
),
479 set_proxied_value(&object
, proxied_value TSRMLS_CC
);
487 debug_propro(-1, "dim_unset", object
, offset
, proxied_value TSRMLS_CC
);
490 ZEND_BEGIN_ARG_INFO_EX(ai_propro_construct
, 0, 0, 2)
491 ZEND_ARG_INFO(1, object
)
492 ZEND_ARG_INFO(0, member
)
493 ZEND_ARG_OBJ_INFO(0, parent
, php
\\PropertyProxy
, 1)
495 static PHP_METHOD(propro
, __construct
) {
496 zend_error_handling zeh
;
497 zval
*container
, *parent
= NULL
;
501 zend_replace_error_handling(EH_THROW
, NULL
, &zeh TSRMLS_CC
);
502 if (SUCCESS
== zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC
, "zs|O!",
503 &container
, &member_str
, &member_len
, &parent
,
504 php_property_proxy_class_entry
)) {
505 php_property_proxy_object_t
*obj
;
507 obj
= zend_object_store_get_object(getThis() TSRMLS_CC
);
508 obj
->proxy
= php_property_proxy_init(container
, member_str
,
509 member_len TSRMLS_CC
);
511 zend_objects_store_add_ref(parent TSRMLS_CC
);
512 obj
->parent
= zend_object_store_get_object(parent TSRMLS_CC
);
515 zend_restore_error_handling(&zeh TSRMLS_CC
);
518 static const zend_function_entry php_property_proxy_method_entry
[] = {
519 PHP_ME(propro
, __construct
, ai_propro_construct
, ZEND_ACC_PUBLIC
)
523 static PHP_MINIT_FUNCTION(propro
)
525 zend_class_entry ce
= {0};
527 INIT_NS_CLASS_ENTRY(ce
, "php", "PropertyProxy",
528 php_property_proxy_method_entry
);
529 php_property_proxy_class_entry
= zend_register_internal_class_ex(&ce
, NULL
,
531 php_property_proxy_class_entry
->create_object
=
532 php_property_proxy_object_new
;
533 php_property_proxy_class_entry
->ce_flags
|= ZEND_ACC_FINAL_CLASS
;
535 memcpy(&php_property_proxy_object_handlers
, zend_get_std_object_handlers(),
536 sizeof(zend_object_handlers
));
537 php_property_proxy_object_handlers
.set
= set_proxied_value
;
538 php_property_proxy_object_handlers
.get
= get_proxied_value
;
539 php_property_proxy_object_handlers
.cast_object
= cast_proxied_value
;
540 php_property_proxy_object_handlers
.read_dimension
= read_dimension
;
541 php_property_proxy_object_handlers
.write_dimension
= write_dimension
;
542 php_property_proxy_object_handlers
.has_dimension
= has_dimension
;
543 php_property_proxy_object_handlers
.unset_dimension
= unset_dimension
;
548 PHP_MINFO_FUNCTION(propro
)
550 php_info_print_table_start();
551 php_info_print_table_header(2, "Property proxy support", "enabled");
552 php_info_print_table_row(2, "Extension version", PHP_PROPRO_VERSION
);
553 php_info_print_table_end();
556 static const zend_function_entry propro_functions
[] = {
560 zend_module_entry propro_module_entry
= {
561 STANDARD_MODULE_HEADER
,
570 STANDARD_MODULE_PROPERTIES
573 #ifdef COMPILE_DL_PROPRO
574 ZEND_GET_MODULE(propro
)
583 * vim600: noet sw=4 ts=4 fdm=marker
584 * vim<600: noet sw=4 ts=4