/*******************************************************************************
* Copyright (c) 2009, 2016 Red Hat Inc. 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:
* Red Hat Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.autotools.core.configure;
import java.util.ArrayList;
import java.util.List;
public class MultiArgConfigureOption extends AbstractConfigurationOption {
private String value;
private List<String> userArgs;
private boolean isDirty;
public MultiArgConfigureOption(String name, AutotoolsConfiguration cfg) {
super(name, cfg);
this.value = ""; //$NON-NLS-1$
}
public MultiArgConfigureOption(String name, String msgName, AutotoolsConfiguration cfg) {
super(name, msgName, cfg);
this.value = ""; //$NON-NLS-1$
}
private MultiArgConfigureOption(String name, AutotoolsConfiguration cfg,
String value) {
super(name, cfg);
this.value = value;
}
@Override
public String getValue() {
return value;
}
@Override
public void setValue(String newValue) {
if (!newValue.equals(value)) {
cfg.setDirty(true);
isDirty = true;
value = newValue;
}
}
@Override
public boolean isParmSet() {
return value.length() > 0;
}
@Override
public boolean isMultiArg() {
return true;
}
@Override
public String getParameter() {
return value;
}
@Override
public List<String> getParameters() {
// May be multiple user-specified options in which case we
// need to split them up into individual options
if (!isDirty && userArgs != null)
return userArgs;
// Otherwise, we need to calculate userArgs
userArgs = new ArrayList<>();
isDirty = false;
int lastArgIndex = -1;
int i = 0;
while (i < value.length()) {
char ch = value.charAt(i);
// Skip white-space
while (Character.isWhitespace(ch)) {
++i;
if (i < value.length())
ch = value.charAt(i);
else // Otherwise we are done
return userArgs;
}
// Simplistic parser. We break up into strings delimited
// by blanks. If quotes are used, we ignore blanks within.
// If a backslash is used, we ignore the next character and
// pass it through.
lastArgIndex = i;
boolean inString = false;
while (i < value.length()) {
ch = value.charAt(i);
if (ch == '\\') // escape character
++i; // skip over the next character
else if (ch == '\"') { // double quotes
inString = !inString;
} else if (Character.isWhitespace(ch)) {
if (!inString) {
userArgs.add(value.substring(lastArgIndex, i));
break;
}
}
++i;
}
// Look for the case where we ran out of chars for the last
// token.
if (i >= value.length())
userArgs.add(value.substring(lastArgIndex));
++i;
}
return userArgs;
}
@Override
public IConfigureOption copy(AutotoolsConfiguration config) {
return new MultiArgConfigureOption(name, config, value);
}
@Override
public int getType() {
return MULTIARG;
}
}