/**
* $Id$
* $Date$
*
*/
package org.xmlsh.sh.core;
import java.io.PrintWriter;
import org.xmlsh.core.EvalEnv;
import org.xmlsh.sh.shell.Shell;
public class CaseClause extends CompoundCommandExpr {
private static final EvalEnv mCaseWordEnv = EvalEnv.basicInstance();
Word mWord;
CaseList mList;
public CaseClause(Word word, CaseList list) {
super("case");
mWord = word;
mList = list;
}
/*
* (non-Javadoc)
*
* @see org.xmlsh.sh.core.Command#print(java.io.PrintWriter)
*/
@Override
public void print(PrintWriter out, boolean bExec) {
out.print("case ");
mWord.print(out);
out.println(" in ");
mList.print(out, bExec);
}
/*
* (non-Javadoc)
*
* @see org.xmlsh.sh.core.Command#exec(org.xmlsh.sh.shell.Shell)
*/
@Override
public int exec(Shell shell) throws Exception {
shell.getEnv().saveIO();
try {
applyRedirect(shell);
String word = mWord.expandString(shell, mCaseWordEnv);
for(CaseItem item : mList) {
if(item.matches(shell, word)) {
return item.exec(shell);
}
}
return 1;
} finally {
shell.getEnv().restoreIO();
}
}
}
//
//
// 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.
//