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/**
* ClassInfo.cpp
*
* Implementation for the class info
*
* @documentation private
*/
#include "includes.h"
/**
* Set up namespace
*/
namespace Php {
/**
* Structure that combines a C++ object with a zend object
*/
struct MixedObject
{
zend_object php;
Base *cpp;
};
/**
* Function that is called to clean up space that is occupied by the object
* @param object The object to be deallocated
*/
static void deallocate_object(void *object TSRMLS_DC)
{
// allocate memory for the object
MixedObject *obj = (MixedObject *)object;
// deallocate the cpp object
if (obj->cpp) delete obj->cpp;
// get rid of the object properties
zend_hash_destroy(obj->php.properties);
FREE_HASHTABLE(obj->php.properties);
// deallocate the entire object
efree(obj);
}
/**
* Function that is called to create space for a cloned object
* @param object The object to be cloned
* @param clone The address that should become the clone
*/
static void clone_object(void *object, void **clone TSRMLS_DC)
{
std::cout << "clone_object" << std::endl;
// @todo implementation
}
/**
* Function that is called when an instance of the class needs to be created.
* This function will create the C++ class, and the PHP object
* @param type Pointer to the class
*/
static zend_object_value create_object(zend_class_entry *type TSRMLS_DC)
{
// allocate memory for the object
MixedObject *object = (MixedObject *)emalloc(sizeof(MixedObject));
// retrieve the classinfo object
_ClassInfo *info = (_ClassInfo *)type->info.user.doc_comment;
// construct the cpp object
object->cpp = info->construct();
// store the class
object->php.ce = type;
// the original create_object fills the initial object with the default properties,
// we're going to do exactly the same. start with setting up a hashtable for the props
ALLOC_HASHTABLE(object->php.properties);
// initialize the hash table
zend_hash_init(object->php.properties, 0, NULL, ZVAL_PTR_DTOR, 0);
// initialize the properties
object_properties_init(&(object->php), type);
// the thing we're going to return
zend_object_value result;
// use default object handlers
result.handlers = zend_get_std_object_handlers();
// put the object in the storage, and assign a method for deallocating and cloning
result.handle = zend_objects_store_put(object, NULL, deallocate_object, clone_object TSRMLS_CC);
// done
return result;
}
/**
* Function that is called by the Zend engine every time the constructor gets called
* @param ht
* @param return_value
* @param return_value_ptr
* @param this_ptr
* @param return_value_used
* @param tsrm_ls
*/
static void invoke_constructor(INTERNAL_FUNCTION_PARAMETERS)
{
// get the mixed object
MixedObject *obj = (MixedObject *)zend_object_store_get_object(this_ptr TSRMLS_CC);
// construct parameters
Parameters params(ZEND_NUM_ARGS());
// call the constructor
obj->cpp->__construct(*PHPCPP_G(environment), params);
}
/**
* Function that is called by the Zend engine every time the destructor gets called
* @param ht
* @param return_value
* @param return_value_ptr
* @param this_ptr
* @param return_value_used
* @param tsrm_ls
*/
static void invoke_destructor(INTERNAL_FUNCTION_PARAMETERS)
{
// get the mixed object
MixedObject *obj = (MixedObject *)zend_object_store_get_object(this_ptr TSRMLS_CC);
// call the destructor
obj->cpp->__destruct(*PHPCPP_G(environment));
}
/**
* Constructor
* @param name
*/
_ClassInfo::_ClassInfo(const char *name) : _name(name), _entry(NULL)
{
// allocate internal functions
_constructor = new InternalFunction(invoke_constructor, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR);
_destructor = new InternalFunction(invoke_destructor, ZEND_ACC_PUBLIC|ZEND_ACC_DTOR);
}
/**
* Destructor
*/
_ClassInfo::~_ClassInfo()
{
// deallocate internal function
delete _constructor;
delete _destructor;
}
/**
* Initialize the class
* @param mixed Optional threading ID
*/
void _ClassInfo::initialize(TSRMLS_D)
{
// the class entry
zend_class_entry entry;
// initialize the class entry
INIT_CLASS_ENTRY_EX(entry, _name.c_str(), _name.size(), NULL);
// we need a special constructor
entry.create_object = create_object;
entry.constructor = _constructor->function();
entry.destructor = _destructor->function();
// register the class
_entry = zend_register_internal_class(&entry TSRMLS_CC);
// store pointer to the class in the unused doc_comment member
_entry->info.user.doc_comment = (const char *)this;
}
/**
* End of namespace
*/
}
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