ShellScript.cc

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// -*- C++ -*-

// ShellScript.cc
//
// Copyright (C) 2004 Olivier Delalleau 
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 
//  1. Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
// 
//  2. Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
// 
//  3. The name of the authors may not be used to endorse or promote
//     products derived from this software without specific prior written
//     permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
// NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 
// This file is part of the PLearn library. For more information on the PLearn
// library, go to the PLearn Web site at www.plearn.org

/* *******************************************************      
   * $Id: ShellScript.cc,v 1.1 2004/07/19 14:52:59 tihocan Exp $ 
   ******************************************************* */

// Authors: Olivier Delalleau

#include "ShellScript.h"

namespace PLearn {
using namespace std;

ShellScript::ShellScript() 
  /* ### Initialize all fields to their default value */
{
  // ...

  // ### You may or may not want to call build_() to finish building the object
  // build_();
}

PLEARN_IMPLEMENT_OBJECT(ShellScript,
    "Allows one to run shell commands (especially within a script).",
    "This runnable object will execute the given shell commands when run.");

void ShellScript::declareOptions(OptionList& ol)
{
  // ### Declare all of this object's options here
  // ### For the "flags" of each option, you should typically specify  
  // ### one of OptionBase::buildoption, OptionBase::learntoption or 
  // ### OptionBase::tuningoption. Another possible flag to be combined with
  // ### is OptionBase::nosave

  declareOption(ol, "shell_commands", &ShellScript::shell_commands, OptionBase::buildoption,
      "The commands to be executed at run time.");

  // Now call the parent class' declareOptions
  inherited::declareOptions(ol);
}

void ShellScript::build_()
{
  // ### This method should do the real building of the object,
  // ### according to set 'options', in *any* situation. 
  // ### Typical situations include:
  // ###  - Initial building of an object from a few user-specified options
  // ###  - Building of a "reloaded" object: i.e. from the complete set of all serialised options.
  // ###  - Updating or "re-building" of an object after a few "tuning" options have been modified.
  // ### You should assume that the parent class' build_() has already been called.
}

// ### Nothing to add here, simply calls build_
void ShellScript::build()
{
  inherited::build();
  build_();
}

void ShellScript::makeDeepCopyFromShallowCopy(map<const void*, void*>& copies)
{
  inherited::makeDeepCopyFromShallowCopy(copies);
  deepCopyField(shell_commands, copies);
}

// run //
void ShellScript::run() {
  // Perform the commands provided in shell_commands.
  for (int i = 0; i < shell_commands.length(); i++) {
    system(shell_commands[i].c_str());
  }
}

} // end of namespace PLearn

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