class Tokenize
{
public:
	Tokenize();
	~Tokenize();
	void SetOriginalString(char * szString);
	char * GetOriginalString();
	void SetTokens(char * szToken);
	char * GetNextToken();
	char * GetCurrentToken();
private:
	std::string strOriginalString;
	std::string strToken;
	std::string strString;
	bool bFinished;
	int nCurrentPointer;
};

Tokenize::Tokenize()
{
	strString.assign("");
	bFinished = false;
}

Tokenize::~Tokenize()
{
}

void Tokenize::SetOriginalString(char * szString)
{
	strOriginalString.assign(szString);
	strString.assign("");
	strToken.assign("");
	bFinished = false;
	nCurrentPointer = -1;
}

char * Tokenize::GetOriginalString()
{
	return (char *) strOriginalString.c_str();
}

void Tokenize::SetTokens(char * szToken)
{
	strToken.assign(szToken);
}

char * Tokenize::GetNextToken()
{
	if ( bFinished == true )
	{
		return NULL;
	}
	
	if ( nCurrentPointer == -1 )
	{
		nCurrentPointer = (int) strOriginalString.find_first_of(strToken, 0);
		if ( nCurrentPointer == -1 )
		{
			nCurrentPointer = (int) strOriginalString.find("\0", 0);
			bFinished = true;
			if ( nCurrentPointer == -1 )
			{
				return NULL;
			}
			return (char *) strOriginalString.c_str();
		}
		strString.assign(strOriginalString.substr(0, nCurrentPointer));
		return (char *) strString.c_str();
	}
	else
	{
		int nPrevPointer = nCurrentPointer + 1;
		nCurrentPointer = (int) strOriginalString.find_first_of(strToken, nPrevPointer);
		if ( nCurrentPointer == -1 )
		{
			nCurrentPointer = (int) strOriginalString.find("\0", nPrevPointer);
			bFinished = true;
			if ( nCurrentPointer == -1 )
			{
				return NULL;
			}
			strString.assign(strOriginalString.substr(nPrevPointer, nCurrentPointer));
			return (char *) strString.c_str();
		}
		strString.assign(strOriginalString.substr(nPrevPointer, nCurrentPointer - nPrevPointer));
		return (char *) strString.c_str();
	}
}

char * Tokenize::GetCurrentToken()
{
	return (char *) strString.c_str();
}

Tokenize tok;

tok.SetOriginalString("qwe|asd,zxc.ghj");
tok.SetTokens("|,.");

while ( tok.GetNextToken() != NULL )
{
	MessageBox(0, tok.GetCurrentToken(), "Tokenize", 0);
}