initial version
authorMichael Wallner <mike@php.net>
Sun, 3 Feb 2013 08:08:56 +0000 (09:08 +0100)
committerMichael Wallner <mike@php.net>
Sun, 3 Feb 2013 08:08:56 +0000 (09:08 +0100)
.gitignore [new file with mode: 0644]
CREDITS [new file with mode: 0644]
config.m4 [new file with mode: 0644]
php_propro.c [new file with mode: 0644]
php_propro.h [new file with mode: 0644]

diff --git a/.gitignore b/.gitignore
new file mode 100644 (file)
index 0000000..20c5e8b
--- /dev/null
@@ -0,0 +1,23 @@
+
+# /
+*~
+/*.tgz
+/.deps
+/*.lo
+/*.la
+/config.[^m]*
+/configure*
+/lib*
+/ac*.m4
+/ltmain.sh
+/install-sh
+/Make*
+/mk*
+/missing
+/.libs
+/build
+/include
+/modules
+/autom4te*
+/.dep.inc
+run-tests.php
diff --git a/CREDITS b/CREDITS
new file mode 100644 (file)
index 0000000..28b53ed
--- /dev/null
+++ b/CREDITS
@@ -0,0 +1 @@
+propro
\ No newline at end of file
diff --git a/config.m4 b/config.m4
new file mode 100644 (file)
index 0000000..f419731
--- /dev/null
+++ b/config.m4
@@ -0,0 +1,6 @@
+PHP_ARG_ENABLE(propro, whether to enable property proxy support,
+[  --enable-propro           Enable property proxy support])
+
+if test "$PHP_PROPRO" != "no"; then
+       PHP_NEW_EXTENSION(propro, php_propro.c, $ext_shared)
+fi
diff --git a/php_propro.c b/php_propro.c
new file mode 100644 (file)
index 0000000..26d9acf
--- /dev/null
@@ -0,0 +1,326 @@
+/*
+  +----------------------------------------------------------------------+
+  | PHP Version 5                                                        |
+  +----------------------------------------------------------------------+
+  | Copyright (c) 1997-2012 The PHP Group                                |
+  +----------------------------------------------------------------------+
+  | This source file is subject to version 3.01 of the PHP license,      |
+  | that is bundled with this package in the file LICENSE, and is        |
+  | available through the world-wide-web at the following url:           |
+  | http://www.php.net/license/3_01.txt                                  |
+  | If you did not receive a copy of the PHP license and are unable to   |
+  | obtain it through the world-wide-web, please send a note to          |
+  | license@php.net so we can mail you a copy immediately.               |
+  +----------------------------------------------------------------------+
+  | Author:                                                              |
+  +----------------------------------------------------------------------+
+*/
+
+/* $Id$ */
+
+#ifdef HAVE_CONFIG_H
+#      include "config.h"
+#endif
+
+#include <php.h>
+#include <ext/standard/info.h>
+
+#include "php_propro.h"
+
+typedef int STATUS;
+
+PHP_PROPRO_API php_property_proxy_t *php_property_proxy_init(zval *container, const char *member_str, size_t member_len TSRMLS_DC)
+{
+       php_property_proxy_t *proxy = ecalloc(1, sizeof(*proxy));
+
+       Z_ADDREF_P(container);
+       proxy->container = container;
+       proxy->member_str = estrndup(member_str, member_len);
+       proxy->member_len = member_len;
+
+       return proxy;
+}
+
+PHP_PROPRO_API void php_property_proxy_free(php_property_proxy_t **proxy)
+{
+       if (*proxy) {
+               zval_ptr_dtor(&(*proxy)->container);
+               efree((*proxy)->member_str);
+               efree(*proxy);
+               *proxy = NULL;
+       }
+}
+
+static zend_class_entry *php_property_proxy_class_entry;
+static zend_object_handlers php_property_proxy_object_handlers;
+
+PHP_PROPRO_API zend_class_entry *php_property_proxy_get_class_entry(void)
+{
+       return php_property_proxy_class_entry;
+}
+
+PHP_PROPRO_API zend_object_value php_property_proxy_object_new(zend_class_entry *ce TSRMLS_DC)
+{
+       return php_property_proxy_object_new_ex(ce, NULL, NULL TSRMLS_CC);
+}
+
+static void php_property_proxy_object_free(void *object TSRMLS_DC)
+{
+       php_property_proxy_object_t *o = object;
+
+       if (o->proxy) {
+               php_property_proxy_free(&o->proxy);
+       }
+       if (o->parent) {
+               zend_objects_store_del_ref_by_handle_ex(o->parent->zv.handle, o->parent->zv.handlers TSRMLS_CC);
+               o->parent = NULL;
+       }
+       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+       efree(o);
+}
+
+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)
+{
+       php_property_proxy_object_t *o;
+
+       o = ecalloc(1, sizeof(*o));
+       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
+       object_properties_init((zend_object *) o, ce);
+
+       if (ptr) {
+               *ptr = o;
+       }
+       o->proxy = proxy;
+
+       o->zv.handle = zend_objects_store_put(o, NULL, php_property_proxy_object_free, NULL TSRMLS_CC);
+       o->zv.handlers = &php_property_proxy_object_handlers;
+
+       return o->zv;
+}
+
+static zval *get_proxied_value(zval *object TSRMLS_DC);
+static zval *read_dimension(zval *object, zval *offset, int type TSRMLS_DC);
+static STATUS cast_proxied_value(zval *object, zval *return_value, int type TSRMLS_DC);
+static void write_dimension(zval *object, zval *offset, zval *value TSRMLS_DC);
+static void set_proxied_value(zval **object, zval *value TSRMLS_DC);
+
+static zval *get_proxied_value(zval *object TSRMLS_DC)
+{
+       zval **hash_value, *value = NULL;
+       php_property_proxy_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
+
+       if (obj->proxy) {
+               switch (Z_TYPE_P(obj->proxy->container)) {
+               case IS_OBJECT:
+                       value = zend_read_property(Z_OBJCE_P(obj->proxy->container), obj->proxy->container, obj->proxy->member_str, obj->proxy->member_len, 0 TSRMLS_CC);
+                       break;
+
+               case IS_ARRAY:
+                       if (SUCCESS == zend_hash_find(Z_ARRVAL_P(obj->proxy->container), obj->proxy->member_str, obj->proxy->member_len + 1, (void *) &hash_value)) {
+                               value = *hash_value;
+                       }
+                       break;
+               }
+       }
+
+       return value;
+}
+
+static STATUS cast_proxied_value(zval *object, zval *return_value, int type TSRMLS_DC)
+{
+       zval *proxied_value;
+
+       if ((proxied_value = get_proxied_value(object TSRMLS_CC))) {
+               RETVAL_ZVAL(proxied_value, 1, 0);
+               if (Z_TYPE_P(proxied_value) != type) {
+                       convert_to_explicit_type(return_value, type);
+               }
+               return SUCCESS;
+       }
+
+       return FAILURE;
+}
+
+static void set_proxied_value(zval **object, zval *value TSRMLS_DC)
+{
+       php_property_proxy_object_t *obj = zend_object_store_get_object(*object TSRMLS_CC);
+
+       if (obj->proxy) {
+               switch (Z_TYPE_P(obj->proxy->container)) {
+               case IS_OBJECT:
+                       zend_update_property(Z_OBJCE_P(obj->proxy->container), obj->proxy->container, obj->proxy->member_str, obj->proxy->member_len, value TSRMLS_CC);
+                       break;
+
+               case IS_ARRAY:
+                       Z_ADDREF_P(value);
+                       zend_symtable_update(Z_ARRVAL_P(obj->proxy->container), obj->proxy->member_str, obj->proxy->member_len + 1, (void *) &value, sizeof(zval *), NULL);
+                       break;
+               }
+
+               if (obj->parent) {
+                       zval *zparent;
+                       MAKE_STD_ZVAL(zparent);
+                       zparent->type = IS_OBJECT;
+                       zparent->value.obj = obj->parent->zv;
+                       set_proxied_value(&zparent, obj->proxy->container TSRMLS_CC);
+               }
+       }
+}
+
+static zval *read_dimension(zval *object, zval *offset, int type TSRMLS_DC)
+{
+       zval *value = NULL;
+       zval *proxied_value;
+
+       if ((proxied_value = get_proxied_value(object TSRMLS_CC))) {
+               zval *o = offset;
+
+               convert_to_string_ex(&o);
+
+               if (Z_TYPE_P(proxied_value) == IS_ARRAY) {
+                       zval **hash_value;
+                       if (SUCCESS == zend_symtable_find(Z_ARRVAL_P(proxied_value), Z_STRVAL_P(o), Z_STRLEN_P(o), (void *) &hash_value)) {
+                               Z_ADDREF_PP(hash_value);
+                               value = *hash_value;
+                       }
+               }
+
+               if (!value) {
+                       zval **hash_value;
+
+                       SEPARATE_ZVAL(&proxied_value);
+                       convert_to_array(proxied_value);
+
+                       MAKE_STD_ZVAL(value);
+                       ZVAL_NULL(value);
+                       zend_symtable_update(Z_ARRVAL_P(proxied_value), Z_STRVAL_P(o), Z_STRLEN_P(o) + 1, (void *) &value, sizeof(zval *), (void *) &hash_value);
+                       value = *hash_value;
+                       Z_SET_ISREF_P(value);
+
+                       set_proxied_value(&object, proxied_value TSRMLS_CC);
+               }
+
+               if (o != offset) {
+                       zval_ptr_dtor(&o);
+               }
+       }
+
+       return value;
+}
+
+static void write_dimension(zval *object, zval *offset, zval *value TSRMLS_DC)
+{
+       zval *proxied_value;
+
+       if ((proxied_value = get_proxied_value(object TSRMLS_CC))) {
+               zval *o = offset;
+
+               SEPARATE_ZVAL(&proxied_value);
+               convert_to_array(proxied_value);
+
+               if (Z_REFCOUNT_P(value) > 1) {
+                       SEPARATE_ZVAL(&value);
+               }
+               Z_ADDREF_P(value);
+
+               if (o) {
+                       convert_to_string_ex(&o);
+                       zend_symtable_update(Z_ARRVAL_P(proxied_value), Z_STRVAL_P(o), Z_STRLEN_P(o) + 1, (void *) &value, sizeof(zval *), NULL);
+               } else {
+                       zend_hash_next_index_insert(Z_ARRVAL_P(proxied_value), (void *) &value, sizeof(zval *), NULL);
+               }
+
+               if (o != offset) {
+                       zval_ptr_dtor(&o);
+               }
+
+               set_proxied_value(&object, proxied_value TSRMLS_CC);
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_propro_construct, 0, 0, 2)
+       ZEND_ARG_INFO(0, object)
+       ZEND_ARG_INFO(0, member)
+       ZEND_ARG_OBJ_INFO(0, parent, php\\PropertyProxy, 1)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(propro, __construct) {
+       zend_error_handling zeh;
+       zval *container, *parent = NULL;
+       char *member_str;
+       int member_len;
+
+       zend_replace_error_handling(EH_THROW, NULL, &zeh TSRMLS_CC);
+       if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zs|O!", &container, &member_str, &member_len, &parent, php_property_proxy_class_entry)) {
+               php_property_proxy_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               obj->proxy = php_property_proxy_init(container, member_str, member_len TSRMLS_CC);
+               if (parent) {
+                       zend_objects_store_add_ref(parent TSRMLS_CC);
+                       obj->parent = zend_object_store_get_object(parent TSRMLS_CC);
+               }
+       }
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+}
+
+static const zend_function_entry php_property_proxy_method_entry[] = {
+       PHP_ME(propro, __construct, ai_propro_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+       {0}
+};
+
+static PHP_MINIT_FUNCTION(propro)
+{
+       zend_class_entry ce = {0};
+
+       INIT_NS_CLASS_ENTRY(ce, "php", "PropertyProxy", php_property_proxy_method_entry);
+       php_property_proxy_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+       php_property_proxy_class_entry->create_object = php_property_proxy_object_new;
+       php_property_proxy_class_entry->ce_flags |= ZEND_ACC_FINAL_CLASS;
+
+       memcpy(&php_property_proxy_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       php_property_proxy_object_handlers.set = set_proxied_value;
+       php_property_proxy_object_handlers.get = get_proxied_value;
+       php_property_proxy_object_handlers.cast_object = cast_proxied_value;
+       php_property_proxy_object_handlers.read_dimension = read_dimension;
+       php_property_proxy_object_handlers.write_dimension = write_dimension;
+
+       return SUCCESS;
+}
+
+PHP_MINFO_FUNCTION(propro)
+{
+       php_info_print_table_start();
+       php_info_print_table_header(2, "Property proxy support", "enabled");
+       php_info_print_table_row(2, "Extension version", PHP_PROPRO_VERSION);
+       php_info_print_table_end();
+}
+
+static const zend_function_entry propro_functions[] = {
+       {0}
+};
+
+zend_module_entry propro_module_entry = {
+       STANDARD_MODULE_HEADER,
+       "propro",
+       propro_functions,
+       PHP_MINIT(propro),
+       NULL,
+       NULL,
+       NULL,
+       PHP_MINFO(propro),
+       PHP_PROPRO_VERSION,
+       STANDARD_MODULE_PROPERTIES
+};
+
+#ifdef COMPILE_DL_PROPRO
+ZEND_GET_MODULE(propro)
+#endif
+
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */
diff --git a/php_propro.h b/php_propro.h
new file mode 100644 (file)
index 0000000..831587e
--- /dev/null
@@ -0,0 +1,53 @@
+
+#ifndef PHP_PROPRO_H
+#define PHP_PROPRO_H
+
+extern zend_module_entry propro_module_entry;
+#define phpext_propro_ptr &propro_module_entry
+
+#define PHP_PROPRO_VERSION "1.0.0"
+
+#ifdef PHP_WIN32
+#      define PHP_PROPRO_API __declspec(dllexport)
+#elif defined(__GNUC__) && __GNUC__ >= 4
+#      define PHP_PROPRO_API __attribute__ ((visibility("default")))
+#else
+#      define PHP_PROPRO_API
+#endif
+
+#ifdef ZTS
+#      include <TSRM/TSRM.h>
+#endif
+
+typedef struct php_property_proxy {
+       zval *container;
+       char *member_str;
+       size_t member_len;
+} php_property_proxy_t;
+
+typedef struct php_property_proxy_object {
+       zend_object zo;
+       zend_object_value zv;
+       php_property_proxy_t *proxy;
+       struct php_property_proxy_object *parent;
+} php_property_proxy_object_t;
+
+PHP_PROPRO_API php_property_proxy_t *php_property_proxy_init(zval *container, const char *member_str, size_t member_len TSRMLS_DC);
+PHP_PROPRO_API void php_property_proxy_free(php_property_proxy_t **proxy);
+
+PHP_PROPRO_API zend_class_entry *php_property_proxy_get_class_entry(void);
+
+PHP_PROPRO_API zend_object_value php_property_proxy_object_new(zend_class_entry *ce TSRMLS_DC);
+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);
+
+#endif /* PHP_PROPRO_H */
+
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */