mirror of
https://github.com/phpv8/v8js.git
synced 2024-11-08 14:48:40 +00:00
596 lines
17 KiB
C++
596 lines
17 KiB
C++
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2010 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Jani Taskinen <jani.taskinen@iki.fi> |
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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 "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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/* Callback for PHP methods and functions */
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static v8::Handle<v8::Value> php_v8js_php_callback(const v8::Arguments &args) /* {{{ */
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{
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v8::Handle<v8::Value> return_value;
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zval *value = reinterpret_cast<zval *>(args.This()->GetPointerFromInternalField(0));
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zend_function *method_ptr;
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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_class_entry *ce = Z_OBJCE_P(value);
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zend_uint argc = args.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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TSRMLS_FETCH();
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/* Set method_ptr from v8::External or fetch the closure invoker */
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if (!args.Data().IsEmpty() && args.Data()->IsExternal()) {
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method_ptr = static_cast<zend_function *>(v8::External::Unwrap(args.Data()));
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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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/* 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(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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return return_value;
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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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MAKE_STD_ZVAL(argv[i]);
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if (v8js_to_zval(args[i], argv[i], flags 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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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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/* 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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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 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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return return_value;
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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 v8::Handle<v8::Value> php_v8js_property_caller(const v8::Arguments &args) /* {{{ */
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{
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v8::Local<v8::Object> self = args.Holder();
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v8::Local<v8::String> cname = args.Callee()->GetName()->ToString();
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v8::Local<v8::Value> value;
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v8::Local<v8::String> cb_func = v8::Local<v8::String>::Cast(args.Data());
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value = self->GetHiddenValue(cb_func);
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if (!value.IsEmpty() && value->IsFunction())
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{
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int argc = args.Length(), i = 0;
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v8::Local<v8::Value> *argv = new v8::Local<v8::Value>[argc];
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v8::Local<v8::Function> cb = v8::Local<v8::Function>::Cast(value);
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if (cb_func->Equals(V8JS_SYM(ZEND_INVOKE_FUNC_NAME))) {
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for (; i < argc; ++i) {
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argv[i] = args[i];
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}
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value = cb->Call(self, argc, argv);
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}
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else /* __call() */
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{
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v8::Local<v8::Array> argsarr = v8::Array::New(argc);
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for (; i < argc; ++i) {
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argsarr->Set(i, args[i]);
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}
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v8::Local<v8::Value> argsv[2] = { cname, argsarr };
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value = cb->Call(self, 2, argsv);
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}
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}
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if (args.IsConstructCall()) {
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if (!value.IsEmpty() && !value->IsNull()) {
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return value;
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}
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return self;
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}
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return value;
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}
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/* }}} */
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static v8::Handle<v8::Value> php_v8js_property_getter(v8::Local<v8::String> property, const v8::AccessorInfo &info) /* {{{ */
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{
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v8::Local<v8::Object> self = info.Holder();
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v8::Local<v8::Value> value;
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v8::Local<v8::Function> cb;
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/* Check first if JS object has the named property */
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value = self->GetRealNamedProperty(property);
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if (!value.IsEmpty()) {
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return value;
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}
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/* If __get() is set for PHP object, call it */
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value = self->GetHiddenValue(V8JS_SYM(ZEND_GET_FUNC_NAME));
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if (!value.IsEmpty() && value->IsFunction()) {
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cb = v8::Local<v8::Function>::Cast(value);
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v8::Local<v8::Value> argv[1] = {property};
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value = cb->Call(self, 1, argv);
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}
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/* If __get() does not exist or returns NULL, create new function with callback for __call() */
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if ((value.IsEmpty() || value->IsNull()) && info.Data()->IsTrue()) {
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v8::Local<v8::FunctionTemplate> cb_t = v8::FunctionTemplate::New(php_v8js_property_caller, V8JS_SYM(ZEND_CALL_FUNC_NAME));
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cb = cb_t->GetFunction();
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cb->SetName(property);
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return cb;
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}
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return value;
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}
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/* }}} */
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static v8::Handle<v8::Integer> php_v8js_property_query(v8::Local<v8::String> property, const v8::AccessorInfo &info) /* {{{ */
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{
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v8::Local<v8::Object> self = info.Holder();
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v8::Local<v8::Value> value;
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/* Return early if property is set in JS object */
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if (self->HasRealNamedProperty(property)) {
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return V8JS_INT(v8::ReadOnly);
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}
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value = self->GetHiddenValue(V8JS_SYM(ZEND_ISSET_FUNC_NAME));
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if (!value.IsEmpty() && value->IsFunction()) {
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v8::Local<v8::Function> cb = v8::Local<v8::Function>::Cast(value);
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v8::Local<v8::Value> argv[1] = {property};
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value = cb->Call(self, 1, argv);
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}
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return (!value.IsEmpty() && value->IsTrue()) ? V8JS_INT(v8::ReadOnly) : v8::Local<v8::Integer>();
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}
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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) \
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v8::FunctionTemplate::New(php_v8js_php_callback, v8::External::New(mptr))->GetFunction()
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static v8::Handle<v8::Value> php_v8js_hash_to_jsobj(zval *value TSRMLS_DC) /* {{{ */
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{
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v8::Local<v8::FunctionTemplate> new_tpl = v8::FunctionTemplate::New();
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v8::Local<v8::Object> newobj;
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int i;
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char *key = NULL;
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ulong index;
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uint key_len;
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HashTable *myht;
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HashPosition pos;
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zend_class_entry *ce = NULL;
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zend_function *method_ptr, *call_ptr = NULL, *get_ptr = NULL, *invoke_ptr = NULL, *isset_ptr = NULL;
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if (Z_TYPE_P(value) == IS_ARRAY) {
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myht = HASH_OF(value);
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} else {
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myht = Z_OBJPROP_P(value);
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ce = Z_OBJCE_P(value);
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}
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/* Prevent recursion */
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if (myht && myht->nApplyCount > 1) {
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return V8JS_NULL;
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}
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/* Object methods */
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if (ce) {
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new_tpl->SetClassName(V8JS_STRL(ce->name, ce->name_length));
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new_tpl->InstanceTemplate()->SetInternalFieldCount(1);
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if (ce == zend_ce_closure) {
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new_tpl->InstanceTemplate()->SetCallAsFunctionHandler(php_v8js_php_callback);
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newobj = new_tpl->InstanceTemplate()->NewInstance();
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} else {
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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) && /* Allow only public methods */
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(method_ptr->common.fn_flags & ZEND_ACC_CTOR) == 0 && /* ..and no __construct() */
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(method_ptr->common.fn_flags & ZEND_ACC_DTOR) == 0 && /* ..or __destruct() */
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(method_ptr->common.fn_flags & ZEND_ACC_CLONE) == 0 /* ..or __clone() functions */
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) {
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/* Override native toString() with __tostring() if it is set in passed object */
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if (IS_MAGIC_FUNC(ZEND_TOSTRING_FUNC_NAME)) {
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new_tpl->InstanceTemplate()->Set(V8JS_SYM("toString"), PHP_V8JS_CALLBACK(method_ptr));
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/* TODO: __set(), __unset() disabled as JS is not allowed to modify the passed PHP object yet.
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* __sleep(), __wakeup(), __set_state() are always ignored */
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} else if (
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IS_MAGIC_FUNC(ZEND_CALLSTATIC_FUNC_NAME)|| /* TODO */
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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_SET_FUNC_NAME) ||
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IS_MAGIC_FUNC(ZEND_UNSET_FUNC_NAME)
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) {
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/* Register all magic function as hidden with lowercase name */
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} else if (IS_MAGIC_FUNC(ZEND_GET_FUNC_NAME)) {
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get_ptr = method_ptr;
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} else if (IS_MAGIC_FUNC(ZEND_CALL_FUNC_NAME)) {
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call_ptr = method_ptr;
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} else if (IS_MAGIC_FUNC(ZEND_INVOKE_FUNC_NAME)) {
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invoke_ptr = method_ptr;
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} else if (IS_MAGIC_FUNC(ZEND_ISSET_FUNC_NAME)) {
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isset_ptr = method_ptr;
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} else {
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new_tpl->InstanceTemplate()->Set(V8JS_STR(method_ptr->common.function_name), PHP_V8JS_CALLBACK(method_ptr), v8::ReadOnly);
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}
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}
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}
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/* Only register getter, etc. when they're set in PHP side */
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if (call_ptr || get_ptr || isset_ptr)
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{
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/* Set __get() handler which acts also as __call() proxy */
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new_tpl->InstanceTemplate()->SetNamedPropertyHandler(
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php_v8js_property_getter, /* getter */
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0, /* setter */
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isset_ptr ? php_v8js_property_query : 0, /* query */
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0, /* deleter */
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0, /* enumerator */
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V8JS_BOOL(call_ptr ? true : false)
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);
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}
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/* __invoke() handler */
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if (invoke_ptr) {
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new_tpl->InstanceTemplate()->SetCallAsFunctionHandler(php_v8js_property_caller, V8JS_SYM(ZEND_INVOKE_FUNC_NAME));
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}
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newobj = new_tpl->InstanceTemplate()->NewInstance();
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if (call_ptr) {
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newobj->SetHiddenValue(V8JS_SYM(ZEND_CALL_FUNC_NAME), PHP_V8JS_CALLBACK(call_ptr));
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}
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if (get_ptr) {
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newobj->SetHiddenValue(V8JS_SYM(ZEND_GET_FUNC_NAME), PHP_V8JS_CALLBACK(get_ptr));
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}
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if (invoke_ptr) {
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newobj->SetHiddenValue(V8JS_SYM(ZEND_INVOKE_FUNC_NAME), PHP_V8JS_CALLBACK(invoke_ptr));
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}
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if (isset_ptr) {
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newobj->SetHiddenValue(V8JS_SYM(ZEND_ISSET_FUNC_NAME), PHP_V8JS_CALLBACK(isset_ptr));
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}
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}
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newobj->SetPointerInInternalField(0, (void *) value);
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} else {
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new_tpl->SetClassName(V8JS_SYM("Array"));
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newobj = new_tpl->InstanceTemplate()->NewInstance();
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}
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/* Object properties */
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i = myht ? zend_hash_num_elements(myht) : 0;
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if (i > 0)
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{
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zval **data;
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HashTable *tmp_ht;
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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 (zend_hash_get_current_data_ex(myht, (void **) &data, &pos) == SUCCESS)
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{
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tmp_ht = HASH_OF(*data);
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if (tmp_ht) {
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tmp_ht->nApplyCount++;
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}
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if (i == HASH_KEY_IS_STRING)
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{
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if (key[0] == '\0' && Z_TYPE_P(value) == IS_OBJECT) {
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/* Skip protected and private members. */
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if (tmp_ht) {
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tmp_ht->nApplyCount--;
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}
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continue;
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}
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newobj->Set(V8JS_STRL(key, key_len - 1), zval_to_v8js(*data TSRMLS_CC), v8::ReadOnly);
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} else {
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newobj->Set(index, zval_to_v8js(*data TSRMLS_CC));
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}
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if (tmp_ht) {
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tmp_ht->nApplyCount--;
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}
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}
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}
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}
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return newobj;
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}
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/* }}} */
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static v8::Handle<v8::Value> php_v8js_hash_to_jsarr(zval *value TSRMLS_DC) /* {{{ */
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{
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HashTable *myht = HASH_OF(value);
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int i = myht ? zend_hash_num_elements(myht) : 0;
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/* Return object if dealing with assoc array */
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if (i > 0 && _php_v8js_is_assoc_array(myht TSRMLS_CC)) {
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return php_v8js_hash_to_jsobj(value TSRMLS_CC);
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}
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v8::Local<v8::Array> newarr;
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|
||
/* 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 TSRMLS_CC));
|
||
|
||
if (tmp_ht) {
|
||
tmp_ht->nApplyCount--;
|
||
}
|
||
}
|
||
}
|
||
return newarr;
|
||
}
|
||
/* }}} */
|
||
|
||
v8::Handle<v8::Value> zval_to_v8js(zval *value TSRMLS_DC) /* {{{ */
|
||
{
|
||
v8::Handle<v8::Value> jsValue;
|
||
|
||
switch (Z_TYPE_P(value))
|
||
{
|
||
case IS_ARRAY:
|
||
jsValue = php_v8js_hash_to_jsarr(value TSRMLS_CC);
|
||
break;
|
||
|
||
case IS_OBJECT:
|
||
jsValue = php_v8js_hash_to_jsobj(value 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 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())
|
||
{
|
||
if ((flags & V8JS_FLAG_FORCE_ARRAY) || jsValue->IsArray()) {
|
||
array_init(return_value TSRMLS_CC);
|
||
return php_v8js_v8_get_properties_hash(jsValue, Z_ARRVAL_P(return_value), flags TSRMLS_CC);
|
||
} else {
|
||
php_v8js_create_v8(return_value, jsValue, flags 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
|
||
*/
|