axmol/cocos2dx/include/CCMutableArray.h

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

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#ifndef __COCOA_CC_MUTATLE_ARRAY_H__
#define __COCOA_CC_MUTATLE_ARRAY_H__

#include "CCObject.h"
#include <vector>
#include <assert.h>
#include <stdarg.h>

namespace   cocos2d {

// the element should be pointer of CCObject or it's sub class
template<class T = CCObject*>
class CCMutableArray : public CCObject
{
public:
	typedef std::vector<T>								CCObjectArray;
	typedef typename CCObjectArray::iterator			CCMutableArrayIterator;
	typedef typename CCObjectArray::reverse_iterator	CCMutableArrayRevIterator;

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

	~CCMutableArray(void)
	{
		removeAllObjects();
	}

	unsigned int count(void)
	{
		unsigned int uCount = 0;
		
		if (!m_array.empty())
		{
			CCMutableArrayIterator it;
			for (it = m_array.begin(); it != m_array.end(); ++it)
			{
				if (*it == NULL)
				{
					break;
				}

				++uCount;
			}
		}

		return uCount;
	}

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

		CCMutableArrayIterator 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;
		CCMutableArrayIterator 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;;
        CCMutableArrayIterator 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(CCMutableArray<T> *pArray)
	{
		if (pArray && pArray->count() > 0)
		{
			CCMutableArrayIterator iter;
			for (iter = pArray->begin(); iter != pArray->end(); ++iter)
			{
				if (*iter)
				{
                    (*iter)->retain();
					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(bool bDeleteObject = true)
	{
		int count = this->count();

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

	void removeObject(T pObject, bool bDeleteObject = true)
	{
		if (m_array.empty() || (! pObject))
		{
			return;
		}

		CCMutableArrayIterator iter;
		int i;
		for (iter = m_array.begin(), i = 0; iter != m_array.end(); ++iter, ++i)
		{
			if (*iter == pObject)
			{
				m_array.erase(iter);
                
				if (bDeleteObject)
				{
                    pObject->release();
				}			

				break;
			}
		}
	}

	void removeObjectsInArray(CCMutableArray<T>* pDeleteArray)
	{
		if(pDeleteArray && pDeleteArray->count())
		{
			CCMutableArrayIterator it;
			for( it = pDeleteArray->m_array.begin(); it != pDeleteArray->m_array.end(); ++it)
			{
				removeObject(*it);
			}
		}
	}

	void removeObjectAtIndex(unsigned int uIndex, bool bDeleteObject = true)
	{
		if (m_array.empty())
		{
			return;
		}

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

	void removeAllObjects(bool bDeleteObject = true)
	{
		if (bDeleteObject)
		{
			CCMutableArrayIterator 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, bool bDeleteObject = true)
	{
		if (m_array[uIndex] && bDeleteObject)
		{
			m_array[uIndex]->release();
		}

		m_array[uIndex] = pObject;

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

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

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

	/*
	 * end is a keyword of lua, so should use other name
	 * to export to lua
	*/
	CCMutableArrayIterator endToLua(void)
	{
		return m_array.end();
	}

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

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

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

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

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

		return pArray;
	}

public:
	static CCMutableArray<T>* arrayWithObjects(T pObject1, ...)
	{
		CCMutableArray<T> *pArray = new CCMutableArray<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 CCMutableArray<T>* arrayWithArray(CCMutableArray<T> *pArray)
	{
		if (pArray == NULL)
		{
			return new CCMutableArray<T>();
		}

		return pArray->copy();
	}

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

}//namespace   cocos2d 

#endif // __COCOA_CC_MUTATLE_ARRAY_H__