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150 lines
2.8 KiB
C++
150 lines
2.8 KiB
C++
//
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// PipeStream.cpp
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//
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// $Id: //poco/svn/Foundation/src/PipeStream.cpp#2 $
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//
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// Library: Foundation
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// Package: Processes
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// Module: PipeStream
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/PipeStream.h"
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namespace Poco {
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//
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// PipeStreamBuf
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//
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PipeStreamBuf::PipeStreamBuf(const Pipe& pipe, openmode mode):
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BufferedStreamBuf(STREAM_BUFFER_SIZE, mode),
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_pipe(pipe)
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{
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}
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PipeStreamBuf::~PipeStreamBuf()
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{
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}
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int PipeStreamBuf::readFromDevice(char* buffer, std::streamsize length)
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{
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return _pipe.readBytes(buffer, (int) length);
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}
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int PipeStreamBuf::writeToDevice(const char* buffer, std::streamsize length)
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{
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return _pipe.writeBytes(buffer, (int) length);
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}
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void PipeStreamBuf::close()
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{
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_pipe.close(Pipe::CLOSE_BOTH);
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}
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//
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// PipeIOS
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//
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PipeIOS::PipeIOS(const Pipe& pipe, openmode mode):
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_buf(pipe, mode)
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{
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poco_ios_init(&_buf);
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}
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PipeIOS::~PipeIOS()
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{
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try
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{
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_buf.sync();
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}
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catch (...)
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{
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}
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}
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PipeStreamBuf* PipeIOS::rdbuf()
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{
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return &_buf;
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}
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void PipeIOS::close()
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{
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_buf.sync();
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_buf.close();
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}
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//
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// PipeOutputStream
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//
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PipeOutputStream::PipeOutputStream(const Pipe& pipe):
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PipeIOS(pipe, std::ios::out),
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std::ostream(&_buf)
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{
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}
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PipeOutputStream::~PipeOutputStream()
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{
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}
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//
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// PipeInputStream
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//
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PipeInputStream::PipeInputStream(const Pipe& pipe):
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PipeIOS(pipe, std::ios::in),
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std::istream(&_buf)
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{
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}
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PipeInputStream::~PipeInputStream()
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{
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}
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} // namespace Poco
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