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phpv8/v8js_variables.cc
2024-09-28 00:48:30 +02:00

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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2017 The PHP Group |
+----------------------------------------------------------------------+
| http://www.opensource.org/licenses/mit-license.php MIT License |
+----------------------------------------------------------------------+
| Author: Jani Taskinen <jani.taskinen@iki.fi> |
| Author: Patrick Reilly <preilly@php.net> |
| Author: Stefan Siegl <stesie@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string>
#include "php_v8js_macros.h"
#include "v8js_exceptions.h"
extern "C" {
#include "zend_exceptions.h"
}
static void v8js_fetch_php_variable(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) /* {{{ */
{
v8::Local<v8::External> data = v8::Local<v8::External>::Cast(info.Data());
v8js_accessor_ctx *ctx = static_cast<v8js_accessor_ctx *>(data->Value());
v8::Isolate *isolate = ctx->isolate;
zval *variable;
zend_is_auto_global(ctx->variable_name);
if ((variable = zend_hash_find(&EG(symbol_table), ctx->variable_name))) {
info.GetReturnValue().Set(zval_to_v8js(variable, isolate));
return;
}
}
/* }}} */
void v8js_accessor_ctx_dtor(v8js_accessor_ctx *ctx) /* {{{ */
{
zend_string_release(ctx->variable_name);
efree(ctx);
}
/* }}} */
void v8js_register_accessors(std::vector<v8js_accessor_ctx*> *accessor_list, v8::Local<v8::FunctionTemplate> php_obj_t, zval *array, v8::Isolate *isolate) /* {{{ */
{
zend_string *property_name;
zval *item;
v8::Local<v8::ObjectTemplate> php_obj = php_obj_t->InstanceTemplate();
ZEND_HASH_FOREACH_STR_KEY_VAL(Z_ARRVAL_P(array), property_name, item) {
switch (Z_TYPE_P(item))
{
/*
case IS_OBJECT:
case IS_ARRAY:
*/
case IS_STRING:
break;
default:
continue; /* Ignore invalid values */
}
if (ZSTR_LEN(property_name) > std::numeric_limits<int>::max()) {
zend_throw_exception(php_ce_v8js_exception,
"Property name length exceeds maximum supported length", 0);
continue;
}
// Create context to store accessor data
v8js_accessor_ctx *ctx = (v8js_accessor_ctx *)emalloc(sizeof(v8js_accessor_ctx));
ctx->variable_name = zend_string_copy(Z_STR_P(item));
ctx->isolate = isolate;
/* Set the variable fetch callback for given symbol on named property */
php_obj->SetNativeDataProperty(V8JS_STRL(ZSTR_VAL(property_name), static_cast<int>(ZSTR_LEN(property_name))), v8js_fetch_php_variable, NULL, v8::External::New(isolate, ctx), v8::PropertyAttribute::ReadOnly);
/* record the context so we can free it later */
accessor_list->push_back(ctx);
} ZEND_HASH_FOREACH_END();
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/