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/* $Id: strref.hpp,v 1.3 2008/04/28 16:38:45 rotmistr Exp $
* ===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* =========================================================================
*
* Author: Kirill Rotmistrovsky
*
* ========================================================================= */
#ifndef EPCR_STRREF__HPP
#define EPCR_STRREF__HPP
#include <epcr/build_cfg.h>
#include <cstring>
#include <string>
BEGIN_NCBI_SCOPE
BEGIN_SCOPE(EPCR_SCOPE)
class CStrRef;
// This class has string interface, but does NOT create copy of data
// Not safe, but VERY useful
class CStrRef
{
public:
CStrRef():m_Data(0),m_Length(0) {}
CStrRef(const char * s):m_Data(s),m_Length(strlen(s)) {}
CStrRef(const char * s, unsigned l):m_Data(s),m_Length(s?l:0) {}
CStrRef(const string& s):m_Data(s.c_str()),m_Length(s.length()) {}
unsigned length() const { return m_Length; }
void resize(unsigned u) { m_Length=u; }
const char * data() const { return m_Data; }
operator string () const { return string(data(),length()); }
protected:
const char * m_Data;
unsigned m_Length;
};
END_SCOPE(EPCR_SCOPE)
END_NCBI_SCOPE
#endif
/*
* $Log: strref.hpp,v $
* Revision 1.3 2008/04/28 16:38:45 rotmistr
* Applied patch to build with gcc-4.3
*
* Revision 1.2 2004/10/26 14:25:29 rotmistr
* Added resize()
*
* Revision 1.1.1.1 2003/12/23 18:17:27 rotmistr
* Package that includes e-PCR, reverse e-PCR, and sequence data preparation
* program for reverse e-PCR looks ready
*
*/
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