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/* -*-c++-*- */
/*
* $Id: FCgiIO.h,v 1.3 2007/07/02 18:48:19 sebdiaz Exp $
*
* Copyright (C) 2002 Steve McAndrewSmith
* Copyright (C) 2002 Stephen F. Booth
* 2007 Sebastien DIAZ <sebastien.diaz@gmail.com>
* Part of the GNU cgicc library, http://www.gnu.org/software/cgicc
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA*
*/
#ifndef _FCGIIO_H_
#define _FCGIIO_H_ 1
#ifdef __GNUG__
# pragma interface
#endif
/*! \file FCgiIO.h
* \brief Class that implements input and output through a FastCGI request.
*
* This class provides access to the input byte-stream and environment
* variable interfaces of a FastCGI request. It is fully compatible with the
* Cgicc input API.
*
* It also provides access to the request's output and error streams, using a
* similar interface.
*/
#include <ostream>
#include <string>
#include <map>
#include "fcgio.h"
#include "cgicc/CgiInput.h"
namespace cgicc {
// ============================================================
// Class FCgiIO
// ============================================================
/*! \class FCgiIO FCgiIO.h FCgiIO.h
* \brief Class that implements input and output through a FastCGI request.
*
* This class provides access to the input byte-stream and environment
* variable interfaces of a FastCGI request. It is fully compatible with the
* Cgicc input API.
*
* It also provides access to the request's output and error streams, using a
* similar interface.
*/
class CGICC_API FCgiIO : public cgicc::CgiInput, public std::ostream
{
public:
// ============================================================
/*! \name Constructor and Destructor */
//@{
/*!
* \brief Constructor
*
* Create a new FCgiIO object
*/
FCgiIO(FCGX_Request& request);
/*!
* \brief Copy constructor
*
*/
FCgiIO(const FCgiIO& io);
/*!
* \brief Destructor
*
* Delete this FCgiIO object
*/
virtual inline
~FCgiIO()
{}
//@}
// ============================================================
/*! \name Data Sources */
//@{
/*!
* \brief Read data from the request's input stream.
*
* \param data The target buffer
* \param length The number of characters to read
* \return The number of characters read
*/
virtual inline size_t read(char *data, size_t length)
{
return FCGX_GetStr(data, length, fRequest.in);
}
/*!
* \brief Query the value of an environment variable stored in the request.
*
* \param varName The name of an environment variable
* \return The value of the requested environment variable, or an empty
* string if not found.
*/
virtual inline std::string getenv(const char *varName)
{
return fEnv[varName];
}
//@}
// ============================================================
/*! \name Data Target Streams */
//@{
/*!
* \brief Provides access to the error stream.
*/
inline std::ostream& err(void)
{
return fErr;
}
//@}
protected:
FCGX_Request& fRequest;
fcgi_streambuf fOutBuf;
fcgi_streambuf fErrBuf;
std::ostream fErr;
std::map<std::string, std::string> fEnv;
};
} // namespace cgicc
#endif /* ! _FCGIIO_H_ */
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