Source: ../../rtrmgr/unexpanded_program.hh
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// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
// Copyright (c) 2001-2005 International Computer Science Institute
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software")
// to deal in the Software without restriction, subject to the conditions
// listed in the XORP LICENSE file. These conditions include: you must
// preserve this copyright notice, and you cannot mention the copyright
// holders in advertising related to the Software without their permission.
// The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
// notice is a summary of the XORP LICENSE file; the license in that file is
// legally binding.
// $XORP: xorp/rtrmgr/unexpanded_program.hh,v 1.1 2005/06/17 21:15:13 pavlin Exp $
#ifndef __RTRMGR_UNEXPANDED_PROGRAM_HH__
#define __RTRMGR_UNEXPANDED_PROGRAM_HH__
class MasterConfigTreeNode;
class ProgramAction;
//
// We want to build a queue of programs, but the variables needed for those
// programs may depend on the results from previous programs. So we need to
// delay expanding them until we're actually going to send the program
// request.
//
class UnexpandedProgram {
public:
UnexpandedProgram(const MasterConfigTreeNode& node,
const ProgramAction& action);
~UnexpandedProgram();
/**
* Expand the variables in the unexpanded program, and create a
* program string that we can actually send.
*
* @param errmsg the error message (if error).
*
* @return the string with the program that we can execute, or an
* empty string if error.
*/
string expand(string& errmsg) const;
string str() const;
private:
const MasterConfigTreeNode& _node;
const ProgramAction& _action;
};
#endif // __RTRMGR_UNEXPANDED_PROGRAM_HH__
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