xmlsh.java

/**
 * $Id: colon.java 245 2009-05-29 11:44:01Z daldei $
 * $Date: 2009-05-29 07:44:01 -0400 (Fri, 29 May 2009) $
 *
 */

package org.xmlsh.builtin.commands;

import java.util.List;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.xmlsh.core.BuiltinCommand;
import org.xmlsh.core.ICommand;
import org.xmlsh.core.Options;
import org.xmlsh.core.ScriptCommand.SourceMode;
import org.xmlsh.core.XValue;
import org.xmlsh.sh.core.ICommandExpr;
import org.xmlsh.sh.module.CommandFactory;
import org.xmlsh.sh.shell.Shell;
import org.xmlsh.sh.shell.ShellConstants;

public class xmlsh extends BuiltinCommand {

  static Logger mLogger = LogManager.getLogger();

  boolean mTopShell = false;

  public xmlsh() {

    mLogger.entry();

  }

  /*
   * Special constructor for a top level shell which doesnt clone
   */
  public xmlsh(boolean bTopShell) {
    mLogger.entry(bTopShell);

    mTopShell = bTopShell;
  }

  @Override
  public int run(List<XValue> args) throws Exception {
    mLogger.entry(args);
    Options opts = new Options(
        "x,v,c:+,rcfile:,e,norc,+location,redirect-output:,redirect-input:,redirect-error:");
    opts.parse(args);
    Shell shell = getShell();

    if(!mTopShell)
      shell = shell.clone();

    int ret = 0;
    try {
      if(opts.hasOpt("v"))
        shell.setOption("v", true);
      if(opts.hasOpt("x"))
        shell.setOption("x", true);

      if(opts.hasOpt("e"))
        shell.setOption("e", true);
      if(opts.hasOpt("location"))
        shell.setOption("location", opts.getOptFlag("location", true));

      List<XValue> command = null;
      if(opts.hasOpt("c"))
        command = opts.getOptValuesRequired("c");

      boolean bNoRc = opts.hasOpt("norc");
      args = opts.getRemainingArgs();

      String rcfile = opts.getOptString("rcfile", null);
      if(rcfile == null) {
        XValue xrc = shell.getEnv().getVarValue(ShellConstants.XMLSHRC);
        if(xrc != null)
          rcfile = xrc.toString();
        if(rcfile == null) {
          XValue home = shell.getEnv().getVarValue(ShellConstants.HOME);
          if(home != null) {
            rcfile = home.toString() + "/.xmlshrc";
          }
        }
      }

      if(!bNoRc && rcfile != null)
        shell.runRC(rcfile);

      if(args.size() == 0 && command == null) {

        ret = shell.interactive();

      }
      else {

        // Run command
        if(command != null) {
            if(! args.isEmpty()  ) shell.setArg0(args.remove(0).toString());
            shell.setArgs(args);
            ret = -1;
     
            for(XValue cv : command ){
              String scmd = cv.toString();
              mLogger.trace("cmd: {} args: " , scmd, args );
              ICommandExpr c = shell.parseEval(scmd);
              if(c == null) {
                shell.printErr(scmd + ": not found", getLocation());

              } else 
                ret = shell.exec(c);
            }

        }
        else // Run script
        {

          String scmd = args.remove(0).toString();
          ICommand cmd = CommandFactory.getScript(shell, scmd,
              SourceMode.SOURCE, getLocation());
          if(cmd == null) {
            shell.printErr(scmd + ": not found", getLocation());
          }
          else {

            // Run as sourced mode, in this shell ...
            // must set args ourselves
            shell.setArg0(scmd);
            shell.setArgs(args);
            ret = cmd.run(shell, scmd, null);
          }

        }

      }
    } finally {
      if(!mTopShell)
        shell.close();

    }
    return mLogger.exit(ret);

  }

}
//
//
// 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.
//