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/**
* Variable.h
*
* Base class for variables that are stored in the Zend engine.
*
* @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
* @copyright 2013 Copernica BV
*/
/**
* Forward definitions
*/
struct _zval_struct;
/**
* Set up namespace
*/
namespace PhpCpp {
/**
* Class definition
*/
class Variable
{
public:
/**
* Empty constructor (value = NULL)
*/
Variable();
/**
* Constructor based on integer value
* @param value
*/
Variable(int value);
/**
* Constructor based on boolean value
* @param value
*/
Variable(bool value);
/**
* Constructor based on string value
* @param value
*/
Variable(const std::string &value);
/**
* Constructor based on decimal value
* @param value
*/
Variable(double value);
/**
* Wrap object around zval
* @param zval
*/
Variable(struct _zval_struct *zval);
/**
* Copy constructor
* @param value
*/
Variable(const Variable &that);
/**
* Destructor
*/
virtual ~Variable();
/**
* Assignment operator
* @param value
* @return Variable
*/
virtual Variable &operator=(const Variable &value);
/**
* Assignment operator
* @param value
* @return Variable
*/
Variable &operator=(int value);
/**
* Assignment operator
* @param value
* @return Variable
*/
Variable &operator=(bool value);
/**
* Assignment operator
* @param value
* @return Variable
*/
Variable &operator=(const std::string &value);
/**
* Assignment operator
* @param value
* @return Variable
*/
Variable &operator=(double value);
/**
* The type of object
* @return Type
*/
Type type();
/**
* Change the internal type of the variable
* @param Type
*/
void setType(Type type);
/**
* Is this a NULL value?
* @return bool
*/
bool isNull();
/**
* Is this an integer value?
* @return bool
*/
bool isInt();
/**
* Is this a boolean value?
* @return bool
*/
bool isBool();
/**
* Is this a string value?
* @return bool
*/
bool isString();
/**
* Is this a decimal value?
* @return bool
*/
bool isDecimal();
/**
* Is this an object value?
* @return bool
*/
bool isObject();
/**
* Is this an array value?
* @return bool
*/
bool isArray();
/**
* Retrieve the value as integer
* @return int
*/
int intValue();
/**
* Retrieve the value as boolean
* @return bool
*/
bool boolValue();
/**
* Retrieve the value as string
* @return string
*/
std::string stringValue();
/**
* Retrieve the value as decimal
* @return double
*/
double decimalValue();
/**
* Cast to an int
* @return int
*/
operator int ()
{
return intValue();
}
/**
* Cast to a boolean
* @return boolean
*/
operator bool ()
{
return boolValue();
}
/**
* Cast to a string
* @return string
*/
operator std::string ()
{
return stringValue();
}
/**
* Cast to a floating point
* @return double
*/
operator double ()
{
return decimalValue();
}
protected:
/**
* The wrapped zval
* @var struct zval
*/
struct _zval_struct *_val;
};
/**
* End of namespace
*/
}
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