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/**
* IteratorImpl.h
*
* Interface that describes what an implementation of an iterator should
* look like. This is an internal class that extension developers do not
* need.
*
* @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
* @copyright 2014 Copernica BV
*/
/**
* Set up namespace
*/
namespace Php {
/**
* Class definition
*/
class IteratorImpl
{
public:
/**
* Clone the object
* @return IteratorImpl*
*/
virtual IteratorImpl *clone() = 0;
/**
* Increment position (pre-increment)
* @return bool
*/
virtual bool increment() = 0;
/**
* Decrement position (pre-decrement)
* @return bool
*/
virtual bool decrement() = 0;
/**
* Compare with other iterator
* @param that
* @return bool
*/
virtual bool equals(const IteratorImpl *that) const = 0;
/**
* Derefecence, this returns a std::pair with the current key and value
* @return std::pair
*/
virtual const std::pair<Value,Value> ¤t() const = 0;
};
/**
* End namespace
*/
}
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