/*******************************************************************************
* Copyright (c) 2000, 2015 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
* Wind River Systems - Modified for new DSF Reference Implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.mi.service.command.output;
import java.util.ArrayList;
import java.util.List;
/**
* GDB/MI data list regiter names response extraction.
*/
public class MIDataListRegisterNamesInfo extends MIInfo {
String[] names;
protected int realNameCount = 0;
public MIDataListRegisterNamesInfo(MIOutput rr) {
super(rr);
names = null;
List<String> aList = new ArrayList<String>();
if (isDone()) {
MIOutput out = getMIOutput();
MIResultRecord outr = out.getMIResultRecord();
if (outr != null) {
MIResult[] results = outr.getMIResults();
for (int i = 0; i < results.length; i++) {
String var = results[i].getVariable();
if (var.equals("register-names")) { //$NON-NLS-1$
MIValue value = results[i].getMIValue();
if (value instanceof MIList) {
parseRegisters((MIList) value, aList);
}
}
}
}
}
names = aList.toArray(new String[aList.size()]);
}
/*
* Returns the register names.
*/
public String[] getRegisterNames() {
/*
* The expectation is that we return an empty list. The
* constructor quarantees this so we are good here.
*/
return names;
}
private void parseRegisters(MIList list, List<String> aList) {
MIValue[] values = list.getMIValues();
for (int i = 0; i < values.length; i++) {
if (values[i] instanceof MIConst) {
String str = ((MIConst) values[i]).getCString();
/* this cannot filter nulls because index is critical in retreival
* and index is assigned in the layers above. The MI spec allows
* empty returns, for some register names. */
if (str != null && !str.isEmpty()) {
realNameCount++;
aList.add(str);
} else {
aList.add(""); //$NON-NLS-1$
}
}
}
}
}