92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
/* vim: set sw=4 sts=4 et foldmethod=syntax : */
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/*
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* Copyright (c) 2008, 2010, 2011 Ciaran McCreesh
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*
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* This file is part of the Paludis package manager. Paludis is free software;
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* you can redistribute it and/or modify it under the terms of the GNU General
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* Public License version 2, as published by the Free Software Foundation.
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*
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* Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef PALUDIS_GUARD_PALUDIS_UTIL_TAIL_OUTPUT_STREAM_HH
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#define PALUDIS_GUARD_PALUDIS_UTIL_TAIL_OUTPUT_STREAM_HH 1
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#include <paludis/util/tail_output_stream-fwd.hh>
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#include <paludis/util/attributes.hh>
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#include <paludis/util/pimp.hh>
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#include <paludis/util/sequence.hh>
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#include <memory>
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#include <ostream>
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namespace paludis
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{
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class PALUDIS_VISIBLE TailOutputStreamBuf :
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public std::streambuf
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{
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private:
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Pimp<TailOutputStreamBuf> _imp;
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void _append(const std::string &);
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protected:
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virtual int_type
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overflow(int_type c);
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virtual std::streamsize
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xsputn(const char * s, std::streamsize num);
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public:
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TailOutputStreamBuf(const unsigned n);
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~TailOutputStreamBuf();
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const std::shared_ptr<const Sequence<std::string> > tail(const bool clear);
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};
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class PALUDIS_VISIBLE TailOutputStreamBase
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{
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protected:
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TailOutputStreamBuf buf;
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public:
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TailOutputStreamBase(const unsigned n) :
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buf(n)
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{
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}
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};
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class PALUDIS_VISIBLE TailOutputStream :
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protected TailOutputStreamBase,
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public std::ostream
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{
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public:
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///\name Basic operations
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///\{
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TailOutputStream(const unsigned n) :
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TailOutputStreamBase(n),
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std::ostream(&buf)
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{
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}
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const std::shared_ptr<const Sequence<std::string> > tail(const bool clear_after)
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{
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return buf.tail(clear_after);
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}
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///\}
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};
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extern template class Pimp<TailOutputStreamBuf>;
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}
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#endif
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