visualboyadvance-m/src/win32/StringTokenizer.cpp

70 lines
1.9 KiB
C++

// VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.
// Copyright (C) 1999-2003 Forgotten
// Copyright (C) 2004 Forgotten and the VBA development team
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or(at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// StringTokenizer.cpp: implementation of the StringTokenizer class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "vba.h"
#include "StringTokenizer.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
StringTokenizer::StringTokenizer(CString str, CString del)
{
m_right = str;
m_delim = del;
}
StringTokenizer::~StringTokenizer()
{
}
const char *StringTokenizer::next()
{
int index = m_right.FindOneOf(m_delim);
while(index == 0) {
m_right = m_right.Right(m_right.GetLength()-1);
index = m_right.FindOneOf(m_delim);
}
if(index == -1) {
if(m_right.IsEmpty())
return NULL;
m_token = m_right;
m_right.Empty();
return m_token;
}
m_token = m_right.Left(index);
m_right = m_right.Right(m_right.GetLength()-(1+index));
return m_token;
}