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/**
* Global.cpp
*
* Implementation for the global variable
*
* @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
* @copyright 2013 Copernica BV
*/
#include "includes.h"
/**
* Namespace
*/
namespace Php {
/**
* Move constructor
* @param global
*/
Global::Global(Global &&global) _NOEXCEPT :
Value(std::move(global)),
_name(global._name),
_exists(global._exists)
{
// remove from other global to avoid double free
global._name = nullptr;
}
/**
* Constructor for non-existing var
*
* @param name Name for the variable that does not exist
*/
Global::Global(const char *name) :
Value(),
_name(zend_string_init(name, ::strlen(name), 1)),
_exists(false) {}
/**
* Alternative constructor for non-existing var
* @param name
*/
Global::Global(const std::string &name) :
Value(),
_name(zend_string_init(name.data(), name.size(), 1)),
_exists(false) {}
/**
* Constructor to wrap zval for existing global bar
* @param name
* @param val
*/
Global::Global(const char *name, struct _zval_struct *val) :
Value(val, true),
_name(zend_string_init(name, ::strlen(name), 1)),
_exists(true) {}
/**
* Alternative constructor to wrap zval
* @param name
* @param val
*/
Global::Global(const std::string &name, struct _zval_struct *val) :
Value(val, true),
_name(zend_string_init(name.data(), name.size(), 1)),
_exists(true) {}
/**
* Destructor
*/
Global::~Global()
{
// release the string
if (_name) zend_string_release(_name);
}
/**
* Function that is called when the value is updated
* @return Value
*/
Global &Global::update()
{
// skip if the variable already exists
if (_exists) return *this;
// we need the TSRMLS variable
TSRMLS_FETCH();
// add the variable to the globals
zend_hash_add(EG(current_execute_data)->symbol_table, _name, _val);
// add one extra reference because the variable now is a global var too
Z_TRY_ADDREF_P(_val);
// remember that the variable now exists
_exists = true;
// done
return *this;
}
/**
* End of namespace
*/
}
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