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/*******************************************************************************
* Copyright (c) 2010, 2015 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.internal.base.scope;
import java.util.Locale;
import org.eclipse.help.IIndexEntry;
import org.eclipse.help.IIndexSee;
import org.eclipse.help.IToc;
import org.eclipse.help.ITopic;
import org.eclipse.help.base.AbstractHelpScope;
/**
* A scope which represents the intersection of two or more other scopes
* An element is in scope only if it is included in every scope passed to the constructor
*/
public class IntersectionScope extends AbstractHelpScope {
AbstractHelpScope[] scopes;
public IntersectionScope(AbstractHelpScope[] scopes) {
this.scopes = scopes;
}
@Override
public boolean inScope(IToc toc) {
for (int scope = 0; scope < scopes.length; scope ++) {
if (!scopes[scope].inScope(toc)) {
return false;
}
}
return true;
}
@Override
public boolean inScope(ITopic topic) {
for (int scope = 0; scope < scopes.length; scope ++) {
if (!scopes[scope].inScope(topic)) {
return false;
}
}
return true;
}
@Override
public boolean inScope(IIndexEntry entry) {
for (int scope = 0; scope < scopes.length; scope ++) {
if (!scopes[scope].inScope(entry)) {
return false;
}
}
return true;
}
@Override
public boolean inScope(IIndexSee see) {
for (int scope = 0; scope < scopes.length; scope ++) {
if (!scopes[scope].inScope(see)) {
return false;
}
}
return true;
}
@Override
public String getName(Locale locale) {
return null;
}
@Override
public boolean isHierarchicalScope() {
for (int scope = 0; scope < scopes.length; scope ++) {
if (!scopes[scope].isHierarchicalScope()) {
return false;
}
}
return true;
}
@Override
public String toString()
{
String str = "("; //$NON-NLS-1$
for (int s=0;s<scopes.length;s++)
{
str+=scopes[s];
if (s<scopes.length-1)
str+=' '+ScopeRegistry.SCOPE_AND+' ';
}
return str+')';
}
}
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