poco/Net/include/Poco/Net/HTTPHeaderStream.h
2012-04-29 18:52:25 +00:00

125 lines
3.4 KiB
C++

//
// HTTPHeaderStream.h
//
// $Id: //poco/1.4/Net/include/Poco/Net/HTTPHeaderStream.h#1 $
//
// Library: Net
// Package: HTTP
// Module: HTTPHeaderStream
//
// Definition of the HTTPHeaderStream class.
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef Net_HTTPHeaderStream_INCLUDED
#define Net_HTTPHeaderStream_INCLUDED
#include "Poco/Net/Net.h"
#include "Poco/Net/HTTPBasicStreamBuf.h"
#include "Poco/MemoryPool.h"
#include <cstddef>
#include <istream>
#include <ostream>
namespace Poco {
namespace Net {
class HTTPSession;
class Net_API HTTPHeaderStreamBuf: public HTTPBasicStreamBuf
/// This is the streambuf class used for reading from a HTTP header
/// in a HTTPSession.
{
public:
typedef HTTPBasicStreamBuf::openmode openmode;
HTTPHeaderStreamBuf(HTTPSession& session, openmode mode);
~HTTPHeaderStreamBuf();
protected:
int readFromDevice(char* buffer, std::streamsize length);
int writeToDevice(const char* buffer, std::streamsize length);
private:
HTTPSession& _session;
bool _end;
};
class Net_API HTTPHeaderIOS: public virtual std::ios
/// The base class for HTTPHeaderInputStream.
{
public:
HTTPHeaderIOS(HTTPSession& session, HTTPHeaderStreamBuf::openmode mode);
~HTTPHeaderIOS();
HTTPHeaderStreamBuf* rdbuf();
protected:
HTTPHeaderStreamBuf _buf;
};
class Net_API HTTPHeaderInputStream: public HTTPHeaderIOS, public std::istream
/// This class is for internal use by HTTPSession only.
{
public:
HTTPHeaderInputStream(HTTPSession& session);
~HTTPHeaderInputStream();
void* operator new(std::size_t size);
void operator delete(void* ptr);
private:
static Poco::MemoryPool _pool;
};
class Net_API HTTPHeaderOutputStream: public HTTPHeaderIOS, public std::ostream
/// This class is for internal use by HTTPSession only.
{
public:
HTTPHeaderOutputStream(HTTPSession& session);
~HTTPHeaderOutputStream();
void* operator new(std::size_t size);
void operator delete(void* ptr);
private:
static Poco::MemoryPool _pool;
};
} } // namespace Poco::Net
#endif // Net_HTTPHeaderStream_INCLUDED