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char_stack.h
Package: helix.src.0812.rar [view]
Upload User: zhongxx05
Upload Date: 2007-06-06
Package Size: 33641k
Code Size: 3k
Category:
Symbian
Development Platform:
C/C++
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef CHAR_STACK_H
- #define CHAR_STACK_H
- /*
- * CharStack :
- * This is a utility class to help with parsing tasks. It allows you
- * to accumulate characters into a buffer without having to worry about
- * buffer allocation issues.
- */
- class CharStack {
- public:
- CharStack(int buf_len = 64);
- ~CharStack();
- char& operator*();
- CharStack& operator++();
- void operator++(int);
- const char* Finish();
- int Length() const;
- void Reset();
- const char* StrSep(const char* str, const char* sep);
- private:
- CharStack(const CharStack&); // don't implement
- CharStack& operator=(const CharStack&);
- char* NewBuf();
- int m_Len;
- char* m_pBuf;
- char* m_pCur;
- };
- inline
- CharStack::CharStack(int buflen) :
- m_Len(buflen),
- m_pBuf(0),
- m_pCur(0)
- {
- NewBuf();
- }
- inline
- CharStack::~CharStack()
- {
- delete [] m_pBuf;
- m_pBuf = 0;
- m_Len = 0;
- m_pCur = 0;
- }
- inline
- char& CharStack::operator*()
- {
- return m_pCur - m_pBuf < m_Len ? *m_pCur : *NewBuf();
- }
- inline
- CharStack& CharStack::operator++()
- {
- ++m_pCur;
- return *this;
- }
- inline
- void CharStack::operator++(int)
- {
- m_pCur++;
- }
- inline
- int CharStack::Length() const
- {
- return m_pCur - m_pBuf;
- }
- inline
- void CharStack::Reset()
- {
- m_pCur = m_pBuf;
- }
- inline
- const char* CharStack::Finish()
- {
- if (m_pCur - m_pBuf >= m_Len)
- NewBuf();
- *m_pCur = 0;
- return m_pBuf;
- }
- #endif /* CHAR_STACK_H */