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/* $Id: join.h 616 2005-08-19 20:11:01Z bruce $ */
// Copyright (C) 1999,2000 Bruce Guenter <bruce@untroubled.org>
//
// 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 of the License, 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
#ifndef MYSTRING__JOIN__H__
#define MYSTRING__JOIN__H__
class mystringjoin
{
private:
const mystringjoin* prev;
mystringrep* rep;
const char* str;
mystringjoin();
public:
mystringjoin(const mystringjoin& j)
: prev(j.prev), rep(j.rep), str(j.str)
{
rep->attach();
}
mystringjoin(const mystring& s)
: prev(0), rep(s.rep), str(s.rep->buf)
{
rep->attach();
}
mystringjoin(const char* s)
: prev(0), rep(0), str(s)
{
}
mystringjoin(const mystringjoin& p, const mystring& s)
: prev(&p), rep(s.rep), str(s.rep->buf)
{
rep->attach();
}
mystringjoin(const mystringjoin& p, const char* s)
: prev(&p), rep(0), str(s)
{
}
~mystringjoin()
{
if(rep) rep->detach();
}
mystringrep* traverse() const;
};
inline mystring::mystring(const mystringjoin& j)
: rep(j.traverse())
{
rep->attach();
}
inline mystringjoin operator+(const mystringjoin& a, const mystring& b)
{
return mystringjoin(a, b);
}
inline mystringjoin operator+(const mystringjoin& a, const char* b)
{
return mystringjoin(a, b);
}
#endif
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