mirror of
https://github.com/phpv8/v8js.git
synced 2024-11-10 00:18:41 +00:00
1c3a919ae8
Register the weak reference callback to deref and do memory limit accounting for wrapped PHP objects created from within JavaScript.
977 lines
31 KiB
C++
977 lines
31 KiB
C++
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2013 The PHP Group |
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+----------------------------------------------------------------------+
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| http://www.opensource.org/licenses/mit-license.php MIT License |
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+----------------------------------------------------------------------+
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| Author: Jani Taskinen <jani.taskinen@iki.fi> |
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| Author: Patrick Reilly <preilly@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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extern "C" {
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#include "php.h"
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#include "ext/date/php_date.h"
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#include "ext/standard/php_string.h"
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#include "zend_interfaces.h"
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#include "zend_closures.h"
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}
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#include "php_v8js_macros.h"
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#include <v8.h>
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#include <stdexcept>
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static void php_v8js_weak_object_callback(const v8::WeakCallbackData<v8::Object, zval> &data);
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/* Callback for PHP methods and functions */
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static void php_v8js_call_php_func(zval *value, zend_class_entry *ce, zend_function *method_ptr, v8::Isolate *isolate, const v8::FunctionCallbackInfo<v8::Value>& info TSRMLS_DC) /* {{{ */
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{
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v8::Handle<v8::Value> return_value;
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zend_fcall_info fci;
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zend_fcall_info_cache fcc;
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zval fname, *retval_ptr = NULL, **argv = NULL;
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zend_uint argc = info.Length(), min_num_args = 0, max_num_args = 0;
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char *error;
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int error_len, i, flags = V8JS_FLAG_NONE;
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/* Set parameter limits */
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min_num_args = method_ptr->common.required_num_args;
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max_num_args = method_ptr->common.num_args;
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/* Function name to call */
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ZVAL_STRING(&fname, method_ptr->common.function_name, 0);
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/* zend_fcall_info */
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fci.size = sizeof(fci);
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fci.function_table = &ce->function_table;
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fci.function_name = &fname;
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fci.symbol_table = NULL;
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fci.object_ptr = value;
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fci.retval_ptr_ptr = &retval_ptr;
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fci.param_count = 0;
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/* Check for passed vs required number of arguments */
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if (argc < min_num_args)
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{
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error_len = spprintf(&error, 0,
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"%s::%s() expects %s %d parameter%s, %d given",
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ce->name,
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method_ptr->common.function_name,
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min_num_args == max_num_args ? "exactly" : argc < min_num_args ? "at least" : "at most",
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argc < min_num_args ? min_num_args : max_num_args,
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(argc < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
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argc);
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return_value = V8JS_THROW(TypeError, error, error_len);
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if (ce == zend_ce_closure) {
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efree(const_cast<char*>(method_ptr->internal_function.function_name));
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efree(method_ptr);
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}
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efree(error);
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info.GetReturnValue().Set(return_value);
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return;
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}
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/* Convert parameters passed from V8 */
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if (argc) {
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flags = V8JS_GLOBAL_GET_FLAGS();
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fci.params = (zval ***) safe_emalloc(argc, sizeof(zval **), 0);
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argv = (zval **) safe_emalloc(argc, sizeof(zval *), 0);
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for (i = 0; i < argc; i++) {
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v8::Local<v8::Value> php_object;
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if (info[i]->IsObject()) {
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php_object = v8::Local<v8::Object>::Cast(info[i])->GetHiddenValue(V8JS_SYM(PHPJS_OBJECT_KEY));
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}
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if (!php_object.IsEmpty()) {
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/* This is a PHP object, passed to JS and back. */
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argv[i] = reinterpret_cast<zval *>(v8::External::Cast(*php_object)->Value());
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Z_ADDREF_P(argv[i]);
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} else {
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MAKE_STD_ZVAL(argv[i]);
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if (v8js_to_zval(info[i], argv[i], flags, isolate TSRMLS_CC) == FAILURE) {
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fci.param_count++;
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error_len = spprintf(&error, 0, "converting parameter #%d passed to %s() failed", i + 1, method_ptr->common.function_name);
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return_value = V8JS_THROW(Error, error, error_len);
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efree(error);
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goto failure;
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}
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}
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fci.params[fci.param_count++] = &argv[i];
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}
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} else {
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fci.params = NULL;
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}
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fci.no_separation = 1;
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{
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isolate->Exit();
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v8::Unlocker unlocker(isolate);
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/* zend_fcall_info_cache */
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fcc.initialized = 1;
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fcc.function_handler = method_ptr;
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fcc.calling_scope = ce;
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fcc.called_scope = ce;
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fcc.object_ptr = value;
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/* Call the method */
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zend_call_function(&fci, &fcc TSRMLS_CC);
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}
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isolate->Enter();
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failure:
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/* Cleanup */
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if (argc) {
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for (i = 0; i < fci.param_count; i++) {
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zval_ptr_dtor(&argv[i]);
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}
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efree(argv);
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efree(fci.params);
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}
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if (retval_ptr != NULL) {
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return_value = zval_to_v8js(retval_ptr, isolate TSRMLS_CC);
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zval_ptr_dtor(&retval_ptr);
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} else {
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return_value = V8JS_NULL;
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}
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info.GetReturnValue().Set(return_value);
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}
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/* }}} */
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/* Callback for PHP methods and functions */
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static void php_v8js_php_callback(const v8::FunctionCallbackInfo<v8::Value>& info) /* {{{ */
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{
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v8::Isolate *isolate = info.GetIsolate();
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v8::Local<v8::Object> self = info.Holder();
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V8JS_TSRMLS_FETCH();
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zval *value = reinterpret_cast<zval *>(v8::External::Cast(*self->GetHiddenValue(V8JS_SYM(PHPJS_OBJECT_KEY)))->Value());
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zend_function *method_ptr;
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zend_class_entry *ce = Z_OBJCE_P(value);
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/* Set method_ptr from v8::External or fetch the closure invoker */
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if (!info.Data().IsEmpty() && info.Data()->IsExternal()) {
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method_ptr = static_cast<zend_function *>(v8::External::Cast(*info.Data())->Value());
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} else {
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method_ptr = zend_get_closure_invoke_method(value TSRMLS_CC);
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}
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return php_v8js_call_php_func(value, ce, method_ptr, isolate, info TSRMLS_CC);
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}
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/* Callback for PHP constructor calls */
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static void php_v8js_construct_callback(const v8::FunctionCallbackInfo<v8::Value>& info) /* {{{ */
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{
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v8::Isolate *isolate = info.GetIsolate();
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info.GetReturnValue().Set(V8JS_UNDEFINED);
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// @todo assert constructor call
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v8::Handle<v8::Object> newobj = info.This();
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v8::Local<v8::External> php_object;
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zval *value;
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if (!info.IsConstructCall()) {
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return;
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}
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v8::Local<v8::Array> cons_data = v8::Local<v8::Array>::Cast(info.Data());
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v8::Local<v8::External> ext_tmpl = v8::Local<v8::External>::Cast(cons_data->Get(0));
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v8::Local<v8::External> ext_ce = v8::Local<v8::External>::Cast(cons_data->Get(1));
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if (info[0]->IsExternal()) {
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// Object created by v8js in php_v8js_hash_to_jsobj, PHP object passed as v8::External.
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php_object = v8::Local<v8::External>::Cast(info[0]);
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value = reinterpret_cast<zval *>(php_object->Value());
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// Increase the reference count of this value because we're storing it internally for use later
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// See https://github.com/preillyme/v8js/issues/6
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Z_ADDREF_P(value);
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} else {
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// Object created from JavaScript context. Need to create PHP object first.
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V8JS_TSRMLS_FETCH();
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zend_class_entry *ce = static_cast<zend_class_entry *>(ext_ce->Value());
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zend_function *ctor_ptr = ce->constructor;
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// Check access on __construct function, if any
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if (ctor_ptr != NULL && (ctor_ptr->common.fn_flags & ZEND_ACC_PUBLIC) == 0) {
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info.GetReturnValue().Set(v8::ThrowException(V8JS_SYM("Call to protected __construct() not allowed")));
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return;
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}
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MAKE_STD_ZVAL(value);
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object_init_ex(value, ce);
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// Call __construct function
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if (ctor_ptr != NULL) {
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php_v8js_call_php_func(value, ce, ctor_ptr, isolate, info TSRMLS_CC);
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}
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php_object = v8::External::New(value);
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}
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newobj->SetAlignedPointerInInternalField(0, ext_tmpl->Value());
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newobj->SetHiddenValue(V8JS_SYM(PHPJS_OBJECT_KEY), php_object);
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// Since we got to decrease the reference count again, in case v8 garbage collector
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// decides to dispose the JS object, we add a weak persistent handle and register
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// a callback function that removes the reference.
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v8::Persistent<v8::Object> persist_newobj(isolate, newobj);
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persist_newobj.SetWeak(value, php_v8js_weak_object_callback);
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// Just tell v8 that we're allocating some external memory
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// (for the moment we just always tell 1k instead of trying to find out actual values)
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v8::V8::AdjustAmountOfExternalAllocatedMemory(1024);
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}
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/* }}} */
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static int _php_v8js_is_assoc_array(HashTable *myht TSRMLS_DC) /* {{{ */
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{
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int i;
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char *key;
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ulong index, idx = 0;
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uint key_len;
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HashPosition pos;
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zend_hash_internal_pointer_reset_ex(myht, &pos);
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for (;; zend_hash_move_forward_ex(myht, &pos)) {
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i = zend_hash_get_current_key_ex(myht, &key, &key_len, &index, 0, &pos);
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if (i == HASH_KEY_NON_EXISTANT)
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break;
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if (i == HASH_KEY_IS_STRING || index != idx) {
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return 1;
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}
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idx++;
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}
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return 0;
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}
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/* }}} */
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static void php_v8js_weak_object_callback(const v8::WeakCallbackData<v8::Object, zval> &data) {
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v8::Isolate *isolate = data.GetIsolate();
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zval *value = data.GetParameter();
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V8JS_TSRMLS_FETCH();
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if (READY_TO_DESTROY(value)) {
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zval_dtor(value);
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FREE_ZVAL(value);
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} else {
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Z_DELREF_P(value);
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}
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v8::V8::AdjustAmountOfExternalAllocatedMemory(-1024);
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}
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static void php_v8js_weak_closure_callback(const v8::WeakCallbackData<v8::Object, v8js_tmpl_t> &data) {
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v8js_tmpl_t *persist_tpl_ = data.GetParameter();
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persist_tpl_->Reset();
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delete persist_tpl_;
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};
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/* These are not defined by Zend */
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#define ZEND_WAKEUP_FUNC_NAME "__wakeup"
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#define ZEND_SLEEP_FUNC_NAME "__sleep"
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#define ZEND_SET_STATE_FUNC_NAME "__set_state"
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#define IS_MAGIC_FUNC(mname) \
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((key_len == sizeof(mname)) && \
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!strncasecmp(key, mname, key_len - 1))
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#define PHP_V8JS_CALLBACK(mptr, tmpl) \
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v8::FunctionTemplate::New(php_v8js_php_callback, v8::External::New(mptr), v8::Signature::New(tmpl))->GetFunction()
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static void php_v8js_named_property_enumerator(const v8::PropertyCallbackInfo<v8::Array> &info) /* {{{ */
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{
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// note: 'special' properties like 'constructor' are not enumerated.
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v8::Isolate *isolate = info.GetIsolate();
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v8::Local<v8::Object> self = info.Holder();
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v8::Local<v8::Array> result = v8::Array::New(0);
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uint32_t result_len = 0;
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V8JS_TSRMLS_FETCH();
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zend_class_entry *ce;
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zend_function *method_ptr;
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HashTable *proptable;
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HashPosition pos;
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char *key = NULL;
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uint key_len;
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ulong index;
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zval *object = reinterpret_cast<zval *>(v8::External::Cast(*self->GetHiddenValue(V8JS_SYM(PHPJS_OBJECT_KEY)))->Value());
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ce = Z_OBJCE_P(object);
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/* enumerate all methods */
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zend_hash_internal_pointer_reset_ex(&ce->function_table, &pos);
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for (;; zend_hash_move_forward_ex(&ce->function_table, &pos)) {
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if (zend_hash_get_current_key_ex(&ce->function_table, &key, &key_len, &index, 0, &pos) != HASH_KEY_IS_STRING ||
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zend_hash_get_current_data_ex(&ce->function_table, (void **) &method_ptr, &pos) == FAILURE
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) {
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break;
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}
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if ((method_ptr->common.fn_flags & ZEND_ACC_PUBLIC) == 0) {
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/* Allow only public methods */
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continue;
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}
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if ((method_ptr->common.fn_flags & (ZEND_ACC_CTOR|ZEND_ACC_DTOR|ZEND_ACC_CLONE)) != 0) {
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/* no __construct, __destruct(), or __clone() functions */
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continue;
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}
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// hide (do not enumerate) other PHP magic functions
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if (IS_MAGIC_FUNC(ZEND_CALLSTATIC_FUNC_NAME) ||
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IS_MAGIC_FUNC(ZEND_SLEEP_FUNC_NAME) ||
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IS_MAGIC_FUNC(ZEND_WAKEUP_FUNC_NAME) ||
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IS_MAGIC_FUNC(ZEND_SET_STATE_FUNC_NAME) ||
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IS_MAGIC_FUNC(ZEND_GET_FUNC_NAME) ||
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IS_MAGIC_FUNC(ZEND_SET_FUNC_NAME) ||
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IS_MAGIC_FUNC(ZEND_UNSET_FUNC_NAME) ||
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IS_MAGIC_FUNC(ZEND_CALL_FUNC_NAME) ||
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IS_MAGIC_FUNC(ZEND_INVOKE_FUNC_NAME) ||
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IS_MAGIC_FUNC(ZEND_ISSET_FUNC_NAME)) {
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continue;
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}
|
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v8::Local<v8::String> method_name = V8JS_STR(method_ptr->common.function_name);
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// rename PHP special method names to JS equivalents.
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if (IS_MAGIC_FUNC(ZEND_TOSTRING_FUNC_NAME)) {
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method_name = V8JS_SYM("toString");
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}
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result->Set(result_len++, method_name);
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}
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/* enumerate all properties */
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/* Z_OBJPROP uses the get_properties handler */
|
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proptable = Z_OBJPROP_P(object);
|
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zend_hash_internal_pointer_reset_ex(proptable, &pos);
|
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for (;; zend_hash_move_forward_ex(proptable, &pos)) {
|
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int i = zend_hash_get_current_key_ex(proptable, &key, &key_len, &index, 0, &pos);
|
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if (i == HASH_KEY_NON_EXISTANT)
|
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break;
|
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|
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// for consistency with the 'in' operator, skip properties whose
|
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// value IS_NULL (like isset does)
|
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zval **data;
|
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if (zend_hash_get_current_data_ex(proptable, (void **) &data, &pos) == SUCCESS &&
|
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ZVAL_IS_NULL(*data))
|
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continue;
|
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|
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if (i == HASH_KEY_IS_STRING) {
|
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/* skip protected and private members */
|
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if (key[0] == '\0') {
|
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continue;
|
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}
|
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// prefix enumerated property names with '$' so they can be
|
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// dereferenced unambiguously (ie, don't conflict with method
|
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// names)
|
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char prefixed[key_len + 1];
|
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prefixed[0] = '$';
|
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strncpy(prefixed + 1, key, key_len);
|
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result->Set(result_len++, V8JS_STRL(prefixed, key_len));
|
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} else {
|
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// even numeric indices are enumerated as strings in JavaScript
|
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result->Set(result_len++, V8JS_FLOAT((double) index)->ToString());
|
||
}
|
||
}
|
||
|
||
/* done */
|
||
info.GetReturnValue().Set(result);
|
||
}
|
||
/* }}} */
|
||
|
||
static void php_v8js_invoke_callback(const v8::FunctionCallbackInfo<v8::Value>& info) /* {{{ */
|
||
{
|
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v8::Local<v8::Object> self = info.Holder();
|
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v8::Local<v8::Function> cb = v8::Local<v8::Function>::Cast(info.Data());
|
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int argc = info.Length(), i;
|
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v8::Local<v8::Value> argv[argc];
|
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v8::Local<v8::Value> result;
|
||
|
||
for (i=0; i<argc; i++) {
|
||
argv[i] = info[i];
|
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}
|
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if (info.IsConstructCall() && self->GetConstructor()->IsFunction()) {
|
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// this is a 'new obj(...)' invocation. Handle this like PHP does;
|
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// that is, treat it as synonymous with 'new obj.constructor(...)'
|
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cb = v8::Local<v8::Function>::Cast(self->GetConstructor());
|
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result = cb->NewInstance(argc, argv);
|
||
} else {
|
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result = cb->Call(self, argc, argv);
|
||
}
|
||
info.GetReturnValue().Set(result);
|
||
}
|
||
/* }}} */
|
||
|
||
// this is a magic '__call' implementation for PHP classes which don't actually
|
||
// have a '__call' magic function. This way we can always force a method
|
||
// call (as opposed to a property get) from JavaScript using __call.
|
||
static void php_v8js_fake_call_impl(const v8::FunctionCallbackInfo<v8::Value>& info) /* {{{ */
|
||
{
|
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v8::Isolate *isolate = info.GetIsolate();
|
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v8::Local<v8::Object> self = info.Holder();
|
||
v8::Handle<v8::Value> return_value;
|
||
|
||
char *error;
|
||
int error_len;
|
||
|
||
V8JS_TSRMLS_FETCH();
|
||
zend_class_entry *ce;
|
||
zval *object = reinterpret_cast<zval *>(v8::External::Cast(*self->GetHiddenValue(V8JS_SYM(PHPJS_OBJECT_KEY)))->Value());
|
||
ce = Z_OBJCE_P(object);
|
||
|
||
// first arg is method name, second arg is array of args.
|
||
if (info.Length() < 2) {
|
||
error_len = spprintf(&error, 0,
|
||
"%s::__call expects 2 parameters, %d given",
|
||
ce->name, (int) info.Length());
|
||
return_value = V8JS_THROW(TypeError, error, error_len);
|
||
efree(error);
|
||
info.GetReturnValue().Set(return_value);
|
||
return;
|
||
}
|
||
if (!info[1]->IsArray()) {
|
||
error_len = spprintf(&error, 0,
|
||
"%s::__call expects 2nd parameter to be an array",
|
||
ce->name);
|
||
return_value = V8JS_THROW(TypeError, error, error_len);
|
||
efree(error);
|
||
info.GetReturnValue().Set(return_value);
|
||
return;
|
||
}
|
||
v8::String::Utf8Value str(info[0]->ToString());
|
||
const char *method_name = ToCString(str);
|
||
uint method_name_len = strlen(method_name);
|
||
v8::Local<v8::Array> args = v8::Local<v8::Array>::Cast(info[1]);
|
||
if (args->Length() > 1000000) {
|
||
// prevent overflow, since args->Length() is a uint32_t and args
|
||
// in the Function->Call method below is a (signed) int.
|
||
error_len = spprintf(&error, 0,
|
||
"%s::__call expects fewer than a million arguments",
|
||
ce->name);
|
||
return_value = V8JS_THROW(TypeError, error, error_len);
|
||
efree(error);
|
||
info.GetReturnValue().Set(return_value);
|
||
return;
|
||
}
|
||
// okay, look up the method name and manually invoke it.
|
||
const zend_object_handlers *h = Z_OBJ_HT_P(object);
|
||
zend_function *method_ptr =
|
||
h->get_method(&object, (char*)method_name, method_name_len
|
||
ZEND_HASH_KEY_NULL TSRMLS_CC);
|
||
if (method_ptr == NULL ||
|
||
(method_ptr->common.fn_flags & ZEND_ACC_PUBLIC) == 0 ||
|
||
(method_ptr->common.fn_flags & (ZEND_ACC_CTOR|ZEND_ACC_DTOR|ZEND_ACC_CLONE)) != 0) {
|
||
error_len = spprintf(&error, 0,
|
||
"%s::__call to %s method %s", ce->name,
|
||
(method_ptr == NULL) ? "undefined" : "non-public", method_name);
|
||
return_value = V8JS_THROW(TypeError, error, error_len);
|
||
efree(error);
|
||
info.GetReturnValue().Set(return_value);
|
||
return;
|
||
}
|
||
|
||
v8::Local<v8::FunctionTemplate> tmpl =
|
||
v8::Local<v8::FunctionTemplate>::New
|
||
(isolate, *reinterpret_cast<v8js_tmpl_t *>(self->GetAlignedPointerFromInternalField(0)));
|
||
// use php_v8js_php_callback to actually execute the method
|
||
v8::Local<v8::Function> cb = PHP_V8JS_CALLBACK(method_ptr, tmpl);
|
||
uint32_t i, argc = args->Length();
|
||
v8::Local<v8::Value> argv[argc];
|
||
for (i=0; i<argc; i++) {
|
||
argv[i] = args->Get(i);
|
||
}
|
||
return_value = cb->Call(info.This(), (int) argc, argv);
|
||
info.GetReturnValue().Set(return_value);
|
||
}
|
||
/* }}} */
|
||
|
||
typedef enum {
|
||
V8JS_PROP_GETTER,
|
||
V8JS_PROP_SETTER,
|
||
V8JS_PROP_QUERY,
|
||
V8JS_PROP_DELETER
|
||
} property_op_t;
|
||
|
||
/* This method handles named property and method get/set/query/delete. */
|
||
template<typename T>
|
||
static inline v8::Local<v8::Value> php_v8js_named_property_callback(v8::Local<v8::String> property, const v8::PropertyCallbackInfo<T> &info, property_op_t callback_type, v8::Local<v8::Value> set_value = v8::Local<v8::Value>()) /* {{{ */
|
||
{
|
||
v8::Isolate *isolate = info.GetIsolate();
|
||
v8::String::Utf8Value cstr(property);
|
||
const char *name = ToCString(cstr);
|
||
uint name_len = strlen(name);
|
||
char *lower = estrndup(name, name_len);
|
||
const char *method_name;
|
||
uint method_name_len;
|
||
|
||
v8::Local<v8::Object> self = info.Holder();
|
||
v8::Local<v8::Value> ret_value;
|
||
v8::Local<v8::Function> cb;
|
||
|
||
V8JS_TSRMLS_FETCH();
|
||
zend_class_entry *scope = NULL; /* XXX? */
|
||
zend_class_entry *ce;
|
||
zend_function *method_ptr = NULL;
|
||
zval *php_value;
|
||
|
||
zval *object = reinterpret_cast<zval *>(v8::External::Cast(*self->GetHiddenValue(V8JS_SYM(PHPJS_OBJECT_KEY)))->Value());
|
||
v8::Local<v8::FunctionTemplate> tmpl =
|
||
v8::Local<v8::FunctionTemplate>::New
|
||
(isolate, *reinterpret_cast<v8js_tmpl_t *>(self->GetAlignedPointerFromInternalField(0)));
|
||
ce = Z_OBJCE_P(object);
|
||
|
||
/* First, check the (case-insensitive) method table */
|
||
php_strtolower(lower, name_len);
|
||
method_name = lower;
|
||
method_name_len = name_len;
|
||
// toString() -> __tostring()
|
||
if (name_len == 8 && strcmp(name, "toString") == 0) {
|
||
method_name = ZEND_TOSTRING_FUNC_NAME;
|
||
method_name_len = sizeof(ZEND_TOSTRING_FUNC_NAME) - 1;
|
||
}
|
||
bool is_constructor = (name_len == 11 && strcmp(name, "constructor") == 0);
|
||
bool is_magic_call = (method_name_len == 6 && strcmp(method_name, "__call") == 0);
|
||
if (is_constructor ||
|
||
(name[0] != '$' /* leading '$' means property, not method */ &&
|
||
zend_hash_find(&ce->function_table, method_name, method_name_len + 1, (void**)&method_ptr) == SUCCESS &&
|
||
((method_ptr->common.fn_flags & ZEND_ACC_PUBLIC) != 0) && /* Allow only public methods */
|
||
((method_ptr->common.fn_flags & (ZEND_ACC_CTOR|ZEND_ACC_DTOR|ZEND_ACC_CLONE)) == 0) /* no __construct, __destruct(), or __clone() functions */
|
||
) || (method_ptr=NULL, is_magic_call)
|
||
) {
|
||
if (callback_type == V8JS_PROP_GETTER) {
|
||
if (is_constructor) {
|
||
ret_value = self->GetConstructor();
|
||
} else {
|
||
if (is_magic_call && method_ptr==NULL) {
|
||
// Fake __call implementation
|
||
// (only use this if method_ptr==NULL, which means
|
||
// there is no actual PHP __call() implementation)
|
||
v8::Local<v8::Function> cb =
|
||
v8::FunctionTemplate::New(
|
||
php_v8js_fake_call_impl, V8JS_NULL,
|
||
v8::Signature::New(tmpl))->GetFunction();
|
||
cb->SetName(property);
|
||
ret_value = cb;
|
||
} else {
|
||
ret_value = PHP_V8JS_CALLBACK(method_ptr, tmpl);
|
||
}
|
||
}
|
||
} else if (callback_type == V8JS_PROP_QUERY) {
|
||
// methods are not enumerable
|
||
ret_value = v8::Integer::NewFromUnsigned(v8::ReadOnly|v8::DontEnum|v8::DontDelete, isolate);
|
||
} else if (callback_type == V8JS_PROP_SETTER) {
|
||
ret_value = set_value; // lie. this field is read-only.
|
||
} else if (callback_type == V8JS_PROP_DELETER) {
|
||
ret_value = V8JS_BOOL(false);
|
||
} else {
|
||
/* shouldn't reach here! but bail safely */
|
||
ret_value = v8::Handle<v8::Value>();
|
||
}
|
||
} else {
|
||
if (name[0]=='$') {
|
||
// this is a property (not a method)
|
||
name++; name_len--;
|
||
}
|
||
if (callback_type == V8JS_PROP_GETTER) {
|
||
/* Nope, not a method -- must be a (case-sensitive) property */
|
||
php_value = zend_read_property(scope, object, V8JS_CONST name, name_len, true TSRMLS_CC);
|
||
// special case 'NULL' and return an empty value (indicating that
|
||
// we don't intercept this property) if the property doesn't
|
||
// exist.
|
||
if (ZVAL_IS_NULL(php_value)) {
|
||
const zend_object_handlers *h = Z_OBJ_HT_P(object);
|
||
zval *prop;
|
||
MAKE_STD_ZVAL(prop);
|
||
ZVAL_STRINGL(prop, name, name_len, 1);
|
||
if (!h->has_property(object, prop, 2 ZEND_HASH_KEY_NULL TSRMLS_CC))
|
||
ret_value = v8::Handle<v8::Value>();
|
||
else {
|
||
ret_value = V8JS_NULL;
|
||
}
|
||
zval_ptr_dtor(&prop);
|
||
} else {
|
||
// wrap it
|
||
ret_value = zval_to_v8js(php_value, isolate TSRMLS_CC);
|
||
}
|
||
/* php_value is the value in the property table; we don't own a
|
||
* reference to it (and so don't have to deref) */
|
||
} else if (callback_type == V8JS_PROP_SETTER) {
|
||
MAKE_STD_ZVAL(php_value);
|
||
if (v8js_to_zval(set_value, php_value, 0, isolate TSRMLS_CC) == SUCCESS) {
|
||
zend_update_property(scope, object, V8JS_CONST name, name_len, php_value TSRMLS_CC);
|
||
ret_value = set_value;
|
||
} else {
|
||
ret_value = v8::Handle<v8::Value>();
|
||
}
|
||
} else if (callback_type == V8JS_PROP_QUERY ||
|
||
callback_type == V8JS_PROP_DELETER) {
|
||
const zend_object_handlers *h = Z_OBJ_HT_P(object);
|
||
zval *prop;
|
||
MAKE_STD_ZVAL(prop);
|
||
ZVAL_STRINGL(prop, name, name_len, 1);
|
||
if (callback_type == V8JS_PROP_QUERY) {
|
||
if (h->has_property(object, prop, 0 ZEND_HASH_KEY_NULL TSRMLS_CC)) {
|
||
ret_value = v8::Integer::NewFromUnsigned(v8::None);
|
||
} else {
|
||
ret_value = v8::Handle<v8::Value>(); // empty handle
|
||
}
|
||
} else {
|
||
h->unset_property(object, prop ZEND_HASH_KEY_NULL TSRMLS_CC);
|
||
ret_value = V8JS_BOOL(true);
|
||
}
|
||
zval_ptr_dtor(&prop);
|
||
} else {
|
||
/* shouldn't reach here! but bail safely */
|
||
ret_value = v8::Handle<v8::Value>();
|
||
}
|
||
}
|
||
|
||
efree(lower);
|
||
return ret_value;
|
||
}
|
||
/* }}} */
|
||
|
||
static void php_v8js_named_property_getter(v8::Local<v8::String> property, const v8::PropertyCallbackInfo<v8::Value> &info) /* {{{ */
|
||
{
|
||
info.GetReturnValue().Set(php_v8js_named_property_callback(property, info, V8JS_PROP_GETTER));
|
||
}
|
||
/* }}} */
|
||
|
||
static void php_v8js_named_property_setter(v8::Local<v8::String> property, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value> &info) /* {{{ */
|
||
{
|
||
info.GetReturnValue().Set(php_v8js_named_property_callback(property, info, V8JS_PROP_SETTER, value));
|
||
}
|
||
/* }}} */
|
||
|
||
static void php_v8js_named_property_query(v8::Local<v8::String> property, const v8::PropertyCallbackInfo<v8::Integer> &info) /* {{{ */
|
||
{
|
||
v8::Local<v8::Value> r = php_v8js_named_property_callback(property, info, V8JS_PROP_QUERY);
|
||
if (!r.IsEmpty()) {
|
||
info.GetReturnValue().Set(r->ToInteger());
|
||
}
|
||
}
|
||
/* }}} */
|
||
|
||
static void php_v8js_named_property_deleter(v8::Local<v8::String> property, const v8::PropertyCallbackInfo<v8::Boolean> &info) /* {{{ */
|
||
{
|
||
v8::Local<v8::Value> r = php_v8js_named_property_callback(property, info, V8JS_PROP_DELETER);
|
||
if (!r.IsEmpty()) {
|
||
info.GetReturnValue().Set(r->ToBoolean());
|
||
}
|
||
}
|
||
/* }}} */
|
||
|
||
static v8::Handle<v8::Value> php_v8js_hash_to_jsobj(zval *value, v8::Isolate *isolate TSRMLS_DC) /* {{{ */
|
||
{
|
||
v8::Handle<v8::Object> newobj;
|
||
int i;
|
||
char *key = NULL;
|
||
ulong index;
|
||
uint key_len;
|
||
HashTable *myht;
|
||
HashPosition pos;
|
||
zend_class_entry *ce = NULL;
|
||
|
||
if (Z_TYPE_P(value) == IS_ARRAY) {
|
||
myht = HASH_OF(value);
|
||
} else {
|
||
myht = Z_OBJPROP_P(value);
|
||
ce = Z_OBJCE_P(value);
|
||
}
|
||
|
||
/* Prevent recursion */
|
||
if (myht && myht->nApplyCount > 1) {
|
||
return V8JS_NULL;
|
||
}
|
||
|
||
/* Object methods */
|
||
if (ce == php_ce_v8_function) {
|
||
php_v8js_object *c = (php_v8js_object *) zend_object_store_get_object(value TSRMLS_CC);
|
||
v8::Local<v8::Value> v8obj = v8::Local<v8::Value>::New(isolate, c->v8obj);
|
||
|
||
return v8obj;
|
||
} else if (ce) {
|
||
php_v8js_ctx *ctx = (php_v8js_ctx *) isolate->GetData();
|
||
v8::Local<v8::FunctionTemplate> new_tpl;
|
||
v8js_tmpl_t *persist_tpl_;
|
||
|
||
try {
|
||
new_tpl = v8::Local<v8::FunctionTemplate>::New
|
||
(isolate, ctx->template_cache.at(ce->name));
|
||
}
|
||
catch (const std::out_of_range &) {
|
||
/* No cached v8::FunctionTemplate available as of yet, create one. */
|
||
new_tpl = v8::FunctionTemplate::New();
|
||
|
||
new_tpl->SetClassName(V8JS_STRL(ce->name, ce->name_length));
|
||
new_tpl->InstanceTemplate()->SetInternalFieldCount(1);
|
||
|
||
if (ce == zend_ce_closure) {
|
||
/* Got a closure, mustn't cache ... */
|
||
persist_tpl_ = new v8js_tmpl_t(isolate, new_tpl);
|
||
/* We'll free persist_tpl_ via php_v8js_weak_closure_callback, below */
|
||
new_tpl->InstanceTemplate()->SetCallAsFunctionHandler(php_v8js_php_callback);
|
||
} else {
|
||
/* Add new v8::FunctionTemplate to tpl_map, as long as it is not a closure. */
|
||
persist_tpl_ = &ctx->template_cache[ce->name];
|
||
persist_tpl_->Reset(isolate, new_tpl);
|
||
/* We'll free persist_tpl_ when template_cache is destroyed */
|
||
// Finish setup of new_tpl
|
||
new_tpl->InstanceTemplate()->SetNamedPropertyHandler
|
||
(php_v8js_named_property_getter, /* getter */
|
||
php_v8js_named_property_setter, /* setter */
|
||
php_v8js_named_property_query, /* query */
|
||
php_v8js_named_property_deleter, /* deleter */
|
||
php_v8js_named_property_enumerator, /* enumerator */
|
||
V8JS_NULL /* data */
|
||
);
|
||
// add __invoke() handler
|
||
zend_function *invoke_method_ptr;
|
||
if (zend_hash_find(&ce->function_table, ZEND_INVOKE_FUNC_NAME,
|
||
sizeof(ZEND_INVOKE_FUNC_NAME),
|
||
(void**)&invoke_method_ptr) == SUCCESS &&
|
||
invoke_method_ptr->common.fn_flags & ZEND_ACC_PUBLIC) {
|
||
new_tpl->InstanceTemplate()->SetCallAsFunctionHandler(php_v8js_invoke_callback, PHP_V8JS_CALLBACK(invoke_method_ptr, new_tpl));
|
||
}
|
||
}
|
||
v8::Local<v8::Array> call_handler_data = v8::Array::New(2);
|
||
call_handler_data->Set(0, v8::External::New(persist_tpl_));
|
||
call_handler_data->Set(1, v8::External::New(ce));
|
||
new_tpl->SetCallHandler(php_v8js_construct_callback, call_handler_data);
|
||
}
|
||
|
||
// Create v8 wrapper object
|
||
v8::Handle<v8::Value> external = v8::External::New(value);
|
||
newobj = new_tpl->GetFunction()->NewInstance(1, &external);
|
||
|
||
if (ce == zend_ce_closure) {
|
||
// free uncached function template when object is freed
|
||
v8::Persistent<v8::Object> persist_newobj2(isolate, newobj);
|
||
persist_newobj2.SetWeak(persist_tpl_, php_v8js_weak_closure_callback);
|
||
}
|
||
} else {
|
||
v8::Local<v8::FunctionTemplate> new_tpl = v8::FunctionTemplate::New(); // @todo re-use template likewise
|
||
|
||
new_tpl->SetClassName(V8JS_SYM("Array"));
|
||
newobj = new_tpl->InstanceTemplate()->NewInstance();
|
||
}
|
||
|
||
/* Object properties */
|
||
i = myht ? zend_hash_num_elements(myht) : 0;
|
||
|
||
if (i > 0 && !ce)
|
||
{
|
||
zval **data;
|
||
HashTable *tmp_ht;
|
||
|
||
zend_hash_internal_pointer_reset_ex(myht, &pos);
|
||
for (;; zend_hash_move_forward_ex(myht, &pos)) {
|
||
i = zend_hash_get_current_key_ex(myht, &key, &key_len, &index, 0, &pos);
|
||
if (i == HASH_KEY_NON_EXISTANT)
|
||
break;
|
||
|
||
if (zend_hash_get_current_data_ex(myht, (void **) &data, &pos) == SUCCESS)
|
||
{
|
||
tmp_ht = HASH_OF(*data);
|
||
|
||
if (tmp_ht) {
|
||
tmp_ht->nApplyCount++;
|
||
}
|
||
|
||
if (i == HASH_KEY_IS_STRING)
|
||
{
|
||
if (key[0] == '\0' && Z_TYPE_P(value) == IS_OBJECT) {
|
||
/* Skip protected and private members. */
|
||
if (tmp_ht) {
|
||
tmp_ht->nApplyCount--;
|
||
}
|
||
continue;
|
||
}
|
||
newobj->Set(V8JS_STRL(key, key_len - 1), zval_to_v8js(*data, isolate TSRMLS_CC), v8::ReadOnly);
|
||
} else {
|
||
newobj->Set(index, zval_to_v8js(*data, isolate TSRMLS_CC));
|
||
}
|
||
|
||
if (tmp_ht) {
|
||
tmp_ht->nApplyCount--;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return newobj;
|
||
}
|
||
/* }}} */
|
||
|
||
static v8::Handle<v8::Value> php_v8js_hash_to_jsarr(zval *value, v8::Isolate *isolate TSRMLS_DC) /* {{{ */
|
||
{
|
||
HashTable *myht = HASH_OF(value);
|
||
int i = myht ? zend_hash_num_elements(myht) : 0;
|
||
|
||
/* Return object if dealing with assoc array */
|
||
if (i > 0 && _php_v8js_is_assoc_array(myht TSRMLS_CC)) {
|
||
return php_v8js_hash_to_jsobj(value, isolate TSRMLS_CC);
|
||
}
|
||
|
||
v8::Local<v8::Array> newarr;
|
||
|
||
/* Prevent recursion */
|
||
if (myht && myht->nApplyCount > 1) {
|
||
return V8JS_NULL;
|
||
}
|
||
|
||
newarr = v8::Array::New(i);
|
||
|
||
if (i > 0)
|
||
{
|
||
zval **data;
|
||
ulong index = 0;
|
||
HashTable *tmp_ht;
|
||
HashPosition pos;
|
||
|
||
for (zend_hash_internal_pointer_reset_ex(myht, &pos);
|
||
SUCCESS == zend_hash_get_current_data_ex(myht, (void **) &data, &pos);
|
||
zend_hash_move_forward_ex(myht, &pos)
|
||
) {
|
||
tmp_ht = HASH_OF(*data);
|
||
|
||
if (tmp_ht) {
|
||
tmp_ht->nApplyCount++;
|
||
}
|
||
|
||
newarr->Set(index++, zval_to_v8js(*data, isolate TSRMLS_CC));
|
||
|
||
if (tmp_ht) {
|
||
tmp_ht->nApplyCount--;
|
||
}
|
||
}
|
||
}
|
||
return newarr;
|
||
}
|
||
/* }}} */
|
||
|
||
v8::Handle<v8::Value> zval_to_v8js(zval *value, v8::Isolate *isolate TSRMLS_DC) /* {{{ */
|
||
{
|
||
v8::Handle<v8::Value> jsValue;
|
||
|
||
switch (Z_TYPE_P(value))
|
||
{
|
||
case IS_ARRAY:
|
||
jsValue = php_v8js_hash_to_jsarr(value, isolate TSRMLS_CC);
|
||
break;
|
||
|
||
case IS_OBJECT:
|
||
jsValue = php_v8js_hash_to_jsobj(value, isolate TSRMLS_CC);
|
||
break;
|
||
|
||
case IS_STRING:
|
||
jsValue = V8JS_STRL(Z_STRVAL_P(value), Z_STRLEN_P(value));
|
||
break;
|
||
|
||
case IS_LONG:
|
||
jsValue = V8JS_INT(Z_LVAL_P(value));
|
||
break;
|
||
|
||
case IS_DOUBLE:
|
||
jsValue = V8JS_FLOAT(Z_DVAL_P(value));
|
||
break;
|
||
|
||
case IS_BOOL:
|
||
jsValue = V8JS_BOOL(Z_BVAL_P(value));
|
||
break;
|
||
|
||
default:
|
||
case IS_NULL:
|
||
jsValue = V8JS_NULL;
|
||
break;
|
||
}
|
||
return jsValue;
|
||
}
|
||
/* }}} */
|
||
|
||
int v8js_to_zval(v8::Handle<v8::Value> jsValue, zval *return_value, int flags, v8::Isolate *isolate TSRMLS_DC) /* {{{ */
|
||
{
|
||
if (jsValue->IsString())
|
||
{
|
||
v8::String::Utf8Value str(jsValue);
|
||
const char *cstr = ToCString(str);
|
||
RETVAL_STRING(cstr, 1);
|
||
}
|
||
else if (jsValue->IsBoolean())
|
||
{
|
||
RETVAL_BOOL(jsValue->Uint32Value());
|
||
}
|
||
else if (jsValue->IsInt32() || jsValue->IsUint32())
|
||
{
|
||
RETVAL_LONG((long) jsValue->IntegerValue());
|
||
}
|
||
else if (jsValue->IsNumber())
|
||
{
|
||
RETVAL_DOUBLE(jsValue->NumberValue());
|
||
}
|
||
else if (jsValue->IsDate()) /* Return as a PHP DateTime object */
|
||
{
|
||
v8::String::Utf8Value str(jsValue);
|
||
const char *cstr = ToCString(str);
|
||
zend_class_entry *ce = php_date_get_date_ce();
|
||
#if PHP_VERSION_ID < 50304
|
||
zval *param;
|
||
|
||
MAKE_STD_ZVAL(param);
|
||
ZVAL_STRING(param, cstr, 1);
|
||
|
||
object_init_ex(return_value, ce TSRMLS_CC);
|
||
zend_call_method_with_1_params(&return_value, ce, &ce->constructor, "__construct", NULL, param);
|
||
zval_ptr_dtor(¶m);
|
||
|
||
if (EG(exception)) {
|
||
return FAILURE;
|
||
}
|
||
#else
|
||
php_date_instantiate(ce, return_value TSRMLS_CC);
|
||
if (!php_date_initialize((php_date_obj *) zend_object_store_get_object(return_value TSRMLS_CC), (char *) cstr, strlen(cstr), NULL, NULL, 0 TSRMLS_CC)) {
|
||
return FAILURE;
|
||
}
|
||
#endif
|
||
}
|
||
else if (jsValue->IsObject())
|
||
{
|
||
v8::Handle<v8::Object> self = v8::Handle<v8::Object>::Cast(jsValue);
|
||
// if this is a wrapped PHP object, then just unwrap it.
|
||
v8::Local<v8::Value> php_object = self->GetHiddenValue(V8JS_SYM(PHPJS_OBJECT_KEY));
|
||
if (!php_object.IsEmpty()) {
|
||
zval *object = reinterpret_cast<zval *>(v8::External::Cast(*php_object)->Value());
|
||
RETVAL_ZVAL(object, 1, 0);
|
||
return SUCCESS;
|
||
}
|
||
if ((flags & V8JS_FLAG_FORCE_ARRAY) || jsValue->IsArray()) {
|
||
array_init(return_value);
|
||
return php_v8js_v8_get_properties_hash(jsValue, Z_ARRVAL_P(return_value), flags, isolate TSRMLS_CC);
|
||
} else {
|
||
php_v8js_create_v8(return_value, jsValue, flags, isolate TSRMLS_CC);
|
||
return SUCCESS;
|
||
}
|
||
}
|
||
else /* types External, RegExp, Undefined and Null are considered NULL */
|
||
{
|
||
RETVAL_NULL();
|
||
}
|
||
|
||
return SUCCESS;
|
||
}
|
||
/* }}} */
|
||
|
||
/*
|
||
* 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
|
||
*/
|