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//
// VMime library (http://www.vmime.org)
// Copyright (C) 2002 Vincent Richard <vincent@vmime.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 3 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
#ifndef VMIME_UTILITY_CHILDPROCESS_HPP_INCLUDED
#define VMIME_UTILITY_CHILDPROCESS_HPP_INCLUDED
#include "vmime/utility/stream.hpp"
#include "vmime/utility/file.hpp"
#include <vector>
namespace vmime {
namespace utility {
/** Spawn a process and redirect its standard input
* and/or standard output.
*/
class VMIME_EXPORT childProcess : public object {
public:
virtual ~childProcess() { }
/** Flags used with start(). */
enum Flags {
FLAG_REDIRECT_STDIN = (1 << 0),
FLAG_REDIRECT_STDOUT = (1 << 1)
};
/** Start the child process.
*
* @param args list of arguments
* @param flags one or more childProcess::Flags
* @throws exceptions::system_error if the an error occurs
* before the process can be started
*/
virtual void start(const std::vector <string>& args, const int flags = 0) = 0;
/** Return a wrapper to the child process standard input.
*
* @return output stream wrapper for child's stdin
*/
virtual shared_ptr <utility::outputStream> getStdIn() = 0;
/** Return a wrapper to the child process standard output.
*
* @return input stream wrapper for child's stdout
*/
virtual shared_ptr <utility::inputStream> getStdOut() = 0;
/** Wait for the process to finish.
*
* @throws exceptions::system_error if the process does
* not exit normally
*/
virtual void waitForFinish() = 0;
};
/** Create 'childProcess' objects.
*/
class childProcessFactory : public object {
public:
virtual ~childProcessFactory() { }
/** Create a new child process.
*
* @param path full path of the process executable file
*/
virtual shared_ptr <childProcess> create(const utility::file::path& path) const = 0;
};
} // utility
} // vmime
#endif // VMIME_UTILITY_CHILDPROCESS_HPP_INCLUDED
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