axmol/cocos2dx/cocoa/NSMutableArray.cpp

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

http://www.cocos2d-x.org

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THE SOFTWARE.
****************************************************************************/

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

using namespace std;

NSMutableArray::NSMutableArray(UINT32 uSize)
{
	m_array = vector<NSObject *>(uSize);
}

NSMutableArray::~NSMutableArray(void)
{
	removeAllObjects();
}

vector<NSObject *>::iterator NSMutableArray::begin(void)
{
	return m_array.begin();
}

vector<NSObject *>::iterator NSMutableArray::end(void)
{
	return m_array.end();
}

void NSMutableArray::addObject(NSObject *pObject)
{
	// make sure the pointer is not null
	if (pObject == NULL)
	{
		return;
	}

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

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

void NSMutableArray::insertObjectAtIndex(NSObject *pObject, UInt32 uIndex)
{
	// make sure the object is not null
	if (pObject == NULL)
	{
		return;
	}

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

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

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

UINT32 NSMutableArray::count(void)
{
	return m_array.size();
}

void NSMutableArray::removeObject(NSObject *pObject)
{
	if (m_array.empty() || (! pObject))
	{
		return;
	}

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

	m_array.clear();
}

void NSMutableArray::removeLastObject(void)
{
	INT32 count = this->count();

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

void NSMutableArray::removeObjectAtIndex(UINT32 uIndex)
{
	if (m_array.empty() || uIndex == 0)
	{
		return;
	}

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

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

bool NSMutableArray::containsObject(NSObject *pObject)
{
	if (m_array.empty() || (! pObject))
	{
		return false;
	}

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

	return bRet;
}

UINT32 NSMutableArray::getIndexOfObject(NSObject *pObject)
{
	if (m_array.empty() || (pObject == NULL))
	{
        return 0;
	}

	vector<NSObject *>::iterator iter;
	UINT32 uRet = 0;
	INT32 i;
	for (iter = m_array.begin(), i = 0; iter != m_array.end(); ++iter, ++i)
	{
		if (*iter == pObject)
		{
			uRet = i;
			break;
		}
	}

	return uRet;
}

NSObject* NSMutableArray::getLastObject(void)
{
	NSObject *pObject = NULL;
	INT32 count = this->count();

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

	return pObject;
}

NSMutableArray* arrayWithObjects(NSObject *pObject1, ...)
{
	NSMutableArray *pArray = new NSMutableArray();

	va_list params;
	va_start(params, pObject1);

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

	va_end(params);

	return pArray;
}

NSMutableArray* arrayWithArray(NSMutableArray *pArray)
{
	if (pArray == NULL)
	{
		return NULL;
	}

	NSMutableArray *pNewArray = new NSMutableArray();
	vector<NSObject *>::iterator iter;

	for (iter = pArray->begin(); iter != pArray->end(); ++iter)
	{
		pNewArray->addObject(*iter);
	}

	return pNewArray;
}

NSObject* NSMutableArray::getObjectAtIndex(UINT32 uIndex)
{
	assert(uIndex < count());
	assert(uIndex >= 0);

	if (uIndex <= 0 || uIndex >= count())
	{
		return NULL;
	}

	return m_array[uIndex];
}