axmol/cocos2dx/include/NSMutableArray.h

/****************************************************************************
Copyright (c) 2010 cocos2d-x.org

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****************************************************************************/

#ifndef __COCOA_NS_MUTATLE_ARRAY_H__
#define __COCOA_NS_MUTATLE_ARRAY_H__

#include "NSObject.h"
#include <vector>
#include <assert.h>

namespace   cocos2d {

// the element should be pointer of NSObject or it's sub class
template<class T = NSObject*>
class NSMutableArray : public NSObject
{
public:
	typedef std::vector<T>								NSObjectArray;
	typedef typename NSObjectArray::iterator			NSMutableArrayIterator;
	typedef typename NSObjectArray::reverse_iterator	NSMutableArrayRevIterator;

public:
	NSMutableArray(unsigned int uSize = 0)
	{
		m_array.resize(uSize);
	}

	~NSMutableArray(void)
	{
		removeAllObjects();
	}

	unsigned int count(void)
	{
		return m_array.size();
	}

	unsigned int getIndexOfObject(T pObject)
	{
		if (m_array.empty() || (pObject == NULL))
		{
			return 0;
		}

		NSMutableArray<T>::NSMutableArrayIterator iter;
		unsigned int uRet = 0;
		int i;
		for (iter = m_array.begin(), i = 0; iter != m_array.end(); ++iter, ++i)
		{
			if (*iter == pObject)
			{
				uRet = i;
				break;
			}
		}

		return uRet;
	}

	bool containsObject(T pObject)
	{
		if (m_array.empty() || (! pObject))
		{
			return false;
		}

		bool bRet = false;
		NSMutableArray<T>::NSMutableArrayIterator iter;
		for (iter = m_array.begin(); iter != m_array.end(); ++iter)
		{
			if (*iter == pObject)
			{
				bRet = true;
				break;
			}
		}

		return bRet;
	}

	T getLastObject(void)
	{
        T pObject = NULL;
		int count = this->count();

		if (count > 0)
		{
			pObject = m_array[count - 1];
		}

		return pObject;
	}

	T getObjectAtIndex(unsigned int uIndex)
	{
		assert(uIndex < count());

		if (uIndex >= count())
		{
			return NULL;
		}

		return m_array[uIndex];
	}

	// Adding objects
	void addObject(T pObject)
	{
		// make sure the pointer is not null
		if (pObject == NULL)
		{
			return;
		}

		// add the refrence
		pObject->retain();

		// if the vector is empty, push back
		if (m_array.empty())
		{
			m_array.push_back(pObject);
			return;
		}

		// find a position to store
		int count = 0;;
        NSMutableArrayIterator it;
		for (it = m_array.begin(); it != m_array.end(); ++it)
		{
			if (*it == NULL)
			{
				m_array[count] = pObject;
				return;
			}
            
			++count;
		} 

		// the array is full, push back
		m_array.push_back(pObject);
	}

	void addObjectsFromArray(NSMutableArray<T> *pArray)
	{
		if (pArray && pArray->count() > 0)
		{
			NSMutableArray<T>::NSMutableArrayIterator iter;
			for (iter = pArray->begin(); iter != pArray->end(); ++iter)
			{
				if (*iter)
				{
					m_array.push_back(*iter);
				}
			}
		}
	}

    void insertObjectAtIndex(T pObject, unsigned int uIndex)
	{
		// make sure the object is not null
		if (pObject == NULL)
		{
			return;
		}

		// add the refrence of the object
		pObject->retain();

		// resize the capacity if the index out of it
		if (uIndex >= m_array.capacity())
		{
			m_array.resize(uIndex + 4);
		}

		// insert the object
		m_array.insert(m_array.begin() + uIndex, pObject);
	}

	// Removing objects
	void removeLastObject(void)
	{
		int count = this->count();

		if (count > 0)
		{
			removeObjectAtIndex(count - 1);
		}
	}

	void removeObject(T pObject)
	{
		if (m_array.empty() || (! pObject))
		{
			return;
		}

		NSMutableArray<T>::NSMutableArrayIterator iter;
		int i;
		for (iter = m_array.begin(), i = 0; iter != m_array.end(); ++iter, ++i)
		{
			if (*iter == pObject)
			{
				m_array.erase(iter);

				pObject->release();

				break;
			}
		}
	}

	void removeObjectAtIndex(unsigned int uIndex)
	{
		if (m_array.empty() || uIndex == 0)
		{
			return;
		}

		T pObject = m_array.at(uIndex);
		if (pObject)
		{
			pObject->release();
		}

		m_array.erase(m_array.begin() + uIndex);
	}

	void removeAllObjects(void)
	{
		NSMutableArray<T>::NSMutableArrayIterator iter;
		for (iter = m_array.begin(); iter != m_array.end(); ++iter)
		{
			if (*iter)
			{
				(*iter)->release();
			}
		}

		m_array.clear();
	}

	void replaceObjectAtIndex(unsigned int uIndex, T pObject)
	{
		if (uIndex >= count())
		{
			// index out of range
			assert(0);
			return;
		}

		// release the object
		T pTmp = m_array[uIndex];
		if (pTmp)
		{
			pTmp->release();		
		}

		m_array[uIndex] = pObject;

		// add the ref
		if (pObject)
		{
			pObject->retain();
		}
	}

	NSMutableArrayIterator begin(void)
	{
		return m_array.begin();
	}

	NSMutableArrayRevIterator rbegin(void)
	{
		return m_array.rbegin();
	}

	NSMutableArrayIterator end(void)
	{
		return m_array.end();
	}

	NSMutableArrayRevIterator rend(void)
	{
		return m_array.rend();
	}

	NSMutableArray<T>* copy(void)
	{
		NSMutableArray* pArray = new NSMutableArray();

		pArray->m_array.assign(m_array.begin(), m_array.end());

		if(pArray->count() > 0)
		{
			NSMutableArrayIterator it;
			for(it = pArray->begin(); it != pArray->end(); it++)
			{
				if(*it)
				{
					(*it)->retain();
				}
			}
		}

		return pArray;
	}

public:
	static NSMutableArray<T>* arrayWithObjects(T pObject1, ...)
	{
		NSMutableArray<T> *pArray = new NSMutableArray<T>();

		va_list params;
		va_start(params, pObject1);

		T pFirst = pObject1;
		while (pFirst)
		{
			pArray->addObject(pFirst);
			pFirst = va_arg(params, T);
		}

		va_end(params);

		return pArray;
	}

	static NSMutableArray<T>* arrayWithArray(NSMutableArray<T> *pArray)
	{
		if (pArray == NULL)
		{
			return new NSMutableArray<T>();
		}

		return pArray->copy();
	}

private:
	std::vector<T> m_array;
};

#define NSArray NSMutableArray
}//namespace   cocos2d 

#endif // __COCOA_NS_MUTATLE_ARRAY_H__