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/*******************************************************************************
* Copyright (c) 2005, 2010 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.ui.internal.views;
import org.eclipse.jface.preference.IPreferenceStore;
public class HistoryScopeSet extends ScopeSet {
private static final String KEY_EXPRESSION = "expression"; //$NON-NLS-1$
public static final String EXT = ".hist"; //$NON-NLS-1$
public HistoryScopeSet(String expression) {
this(expression, expression);
}
public HistoryScopeSet(String name, String expression) {
super(name);
if (expression!=null)
setExpression(expression);
}
public HistoryScopeSet(HistoryScopeSet set) {
super(set, set.getName());
setExpression(set.getExpression());
}
public void copyFrom(ScopeSet set) {
String expression = getExpression();
super.copyFrom(set);
setExpression(expression);
}
public String getExpression() {
IPreferenceStore store = getPreferenceStore();
return store.getString(KEY_EXPRESSION);
}
public boolean isImplicit() {
return true;
}
protected String getExtension() {
return EXT;
}
protected String encodeFileName(String name) {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < name.length(); i++) {
char c = name.charAt(i);
if (c == '_' || Character.isLetterOrDigit(c)) {
buf.append(c);
} else {
buf.append('_');
buf.append((int) c);
buf.append('_');
}
}
return buf.toString();
}
public void setExpression(String expression) {
IPreferenceStore store = getPreferenceStore();
store.setValue(KEY_EXPRESSION, expression);
}
}
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