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@@ -1,189 +0,0 @@
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-/*
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-Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto
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-
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-Permission is hereby granted, free of charge, to any person
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-obtaining a copy of this software and associated documentation
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-files (the "Software"), to deal in the Software without
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-restriction, including without limitation the rights to use,
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-copy, modify, merge, publish, distribute, sublicense, and/or sell
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-copies of the Software, and to permit persons to whom the
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-Software is furnished to do so, subject to the following
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-conditions:
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-
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-The above copyright notice and this permission notice shall be
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-included in all copies or substantial portions of the Software.
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-
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-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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-OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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-HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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-OTHER DEALINGS IN THE SOFTWARE.
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-*/
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-
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-#pragma once
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-
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-#include <stdlib.h>
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-#include "Types.h"
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-#include "Exceptions.h"
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-#include "Generic.h"
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-
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-namespace Crown
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-{
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-
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-enum eEnumeratorState
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-{
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- ES_Begin = 0,
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- ES_Iterating,
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- ES_End
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-};
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-
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-template<typename T>
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-class IEnumerator
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-{
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-public:
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- IEnumerator(eEnumeratorState state):
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- mState(state)
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- { }
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-
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- virtual ~IEnumerator() {}
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-
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- //! Returns the current item.
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- virtual const T& current() const = 0;
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-
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- //! Move the iterator to the next item.
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- virtual bool next() = 0;
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-
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- //! Move the iterator to the previous item.
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- virtual bool prev() = 0;
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-
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- //! Returns true if the enumerator is at the beginning
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- inline bool isBegin()
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- {
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- return mState == ES_Begin;
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- }
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-
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- //! Returns true if the enumerator is at the end
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- inline bool isEnd()
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- {
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- return mState == ES_End;
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- }
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-
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-protected:
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- eEnumeratorState mState;
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-};
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-
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-template<class T>
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-class IEnumerable
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-{
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-public:
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-
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- //! Returns a IEnumerator<T> pointing to the begin of the structure.
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- virtual IEnumerator<T>* getBegin() const = 0;
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-
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- //! Returns a IEnumerator<T> pointing to the end of the structure.
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- virtual IEnumerator<T>* getEnd() const = 0;
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-};
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-
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-class IGenericEnumerable
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-{
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-public:
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- virtual IEnumerator<Generic>* getBeginGeneric() const = 0;
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- virtual IEnumerator<Generic>* getEndGeneric() const = 0;
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-};
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-
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-template<typename T>
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-class EnumeratorHelper
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-{
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-public:
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- EnumeratorHelper(IEnumerator<T>* e):
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- mEnumerator(e)
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- { }
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-
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- ~EnumeratorHelper()
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- {
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- if (mEnumerator)
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- {
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- delete mEnumerator;
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- }
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- }
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-
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- //! See IEnumerator<T>
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- inline const T& current()
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- {
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- if (mEnumerator == NULL)
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- {
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- throw NullPointerException("EnumeratorHelper<T>: No enumerator instance set");
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- }
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-
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- return mEnumerator->current();
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- }
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-
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- //! See IEnumerator<T>
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- inline bool next()
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- {
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- if (mEnumerator == NULL)
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- {
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- throw NullPointerException("EnumeratorHelper<T>: No enumerator instance set");
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- }
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-
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- return mEnumerator->next();
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- }
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-
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- //! See IEnumerator<T>
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- inline bool prev()
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- {
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- if (mEnumerator == NULL)
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- {
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- throw NullPointerException("EnumeratorHelper<T>: No enumerator instance set");
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- }
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-
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- return mEnumerator->prev();
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- }
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-
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- //! See IEnumerator<T>
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- inline bool isBegin()
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- {
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- if (mEnumerator == NULL)
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- {
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- throw NullPointerException("EnumeratorHelper<T>: No enumerator instance set");
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- }
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-
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- return mEnumerator->isBegin();
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- }
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-
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- //! See IEnumerator<T>
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- inline bool isEnd()
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- {
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- if (mEnumerator == NULL)
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- {
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- throw NullPointerException("EnumeratorHelper<T>: No enumerator instance set");
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- }
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-
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- return mEnumerator->isEnd();
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- }
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-
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- const EnumeratorHelper& operator=(EnumeratorHelper& other)
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- {
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- mEnumerator = other.mEnumerator;
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- other.mEnumerator = NULL;
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- }
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-
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- const EnumeratorHelper& operator=(const IEnumerator<T>* e)
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- {
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- if (mEnumerator)
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- {
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- delete mEnumerator;
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- }
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-
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- mEnumerator = e;
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- }
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-
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-private:
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- IEnumerator<T>* mEnumerator;
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-};
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-
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-} // namespace Crown
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-
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