/**
 * $Id$
 * $Date$
 *
 */

package org.xmlsh.sh.core;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import org.apache.logging.log4j.LogManager;
import org.xmlsh.core.CoreException;
import org.xmlsh.core.EvalEnv;
import org.xmlsh.core.XValue;
import org.xmlsh.sh.shell.Shell;

public class CommandSuffixExpr {
  private static final EvalEnv mCmdEnv = EvalEnv.newInstance(true, true, true,
      false);
  private static final EvalEnv mArgEnv = EvalEnv.commandArgsInstance();

  static org.apache.logging.log4j.Logger mLogger = LogManager.getLogger();
  private WordList mArgs = new WordList();
  private IORedirectList mRedirect = new IORedirectList();

  public CommandSuffixExpr() {

  }

  public void addArg(Word arg) {
    mArgs.add(arg);
  }

  public void addIO(IORedirect io) {
    mRedirect.add(io);
  }

  public void print(PrintWriter out) {
    mArgs.print(out);
    mRedirect.print(out);

  }

  /*
   * Expand command line argument list
   * into runtime argument list 0-n ...
   */

  public List<XValue> toCmdLine(Shell shell, Word command, SourceLocation loc)
      throws IOException, CoreException {

    mLogger.entry(shell, command, loc);
    ArrayList<XValue> args = new ArrayList<XValue>();

    args.addAll(command.expandToList(shell, mCmdEnv));
    for(Word arg : mArgs)
      args.addAll(arg.expandToList(shell, mArgEnv));

    return mLogger.exit(args);
  }

  public void exec(Shell shell, SourceLocation loc) throws Exception {
    mRedirect.exec(shell, loc);

  }

}

//
//
// Copyright (C) 2008-2014 David A. Lee.
//
// The contents of this file are subject to the "Simplified BSD License" (the
// "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the
// License at http://www.opensource.org/licenses/bsd-license.php
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is: all this file.
//
// The Initial Developer of the Original Code is David A. Lee
//
// Portions created by (your name) are Copyright (C) (your legal entity). All
// Rights Reserved.
//
// Contributor(s): none.
//