/*******************************************************************************
* Copyright (c) 2000, 2016 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
*
*******************************************************************************/
package org.eclipse.dltk.internal.core.search;
import java.util.HashSet;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.dltk.core.IDLTKLanguageToolkit;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.IModelElementDelta;
import org.eclipse.dltk.core.IScriptProject;
import org.eclipse.dltk.core.ModelException;
import org.eclipse.dltk.internal.compiler.env.AccessRuleSet;
import org.eclipse.dltk.internal.core.Model;
import org.eclipse.dltk.internal.core.ModelManager;
import org.eclipse.dltk.internal.core.ScriptProject;
/**
* A Java-specific scope for searching the entire workspace. The scope can be
* configured to not search binaries. By default, binaries are included.
*/
public class DLTKWorkspaceScope extends DLTKSearchScope {
public DLTKWorkspaceScope(IDLTKLanguageToolkit toolkit) {
super(toolkit);
}
protected boolean needsInitialize;
@Override
public boolean encloses(IModelElement element) {
/*
* if (this.needsInitialize) { this.initialize(); } return
* super.encloses(element);
*/
/*
* A workspace scope encloses all script elements (this assumes that the
* index selector and thus enclosingProjectAndJars() returns indexes on
* the classpath only and that these indexes are consistent.) NOTE:
* Returning true gains 20% of a hierarchy build on Object
*/
return true;
}
@Override
public boolean encloses(String resourcePathString) {
/*
* if (this.needsInitialize) { this.initialize(); } return
* super.encloses(resourcePathString);
*/
/*
* A workspace scope encloses all resources (this assumes that the index
* selector and thus enclosingProjectAndJars() returns indexes on the
* buildpath only and that these indexes are consistent.) NOTE:
* Returning true gains 20% of a hierarchy build on Object
*/
return true;
}
@Override
public IPath[] enclosingProjectsAndZips() {
if (this.needsInitialize) {
this.initialize(5);
}
return super.enclosingProjectsAndZips();
}
@Override
public boolean equals(Object o) {
return o instanceof DLTKWorkspaceScope;
}
@Override
public AccessRuleSet getAccessRuleSet(String relativePath,
String containerPath) {
if (this.pathRestrictions == null)
return null;
return super.getAccessRuleSet(relativePath, containerPath);
}
@Override
public int hashCode() {
return DLTKWorkspaceScope.class.hashCode();
}
@Override
public void initialize(int size) {
super.initialize(size);
try {
final Model model = ModelManager.getModelManager().getModel();
final IScriptProject[] projects = toolkit != null ? model
.getScriptProjects(toolkit.getNatureId()) : model
.getScriptProjects();
for (int i = 0, length = projects.length; i < length; i++) {
int includeMask = SOURCES | APPLICATION_LIBRARIES
| SYSTEM_LIBRARIES;
add((ScriptProject) projects[i], null, includeMask,
new HashSet<IProject>(length * 2, 1), null);
}
} catch (ModelException ignored) {
// ignore
}
this.needsInitialize = false;
}
@Override
public void processDelta(IModelElementDelta delta) {
if (this.needsInitialize)
return;
IModelElement element = delta.getElement();
switch (element.getElementType()) {
case IModelElement.SCRIPT_MODEL:
IModelElementDelta[] children = delta.getAffectedChildren();
for (int i = 0, length = children.length; i < length; i++) {
IModelElementDelta child = children[i];
this.processDelta(child);
}
break;
case IModelElement.SCRIPT_PROJECT:
int kind = delta.getKind();
switch (kind) {
case IModelElementDelta.ADDED:
case IModelElementDelta.REMOVED:
this.needsInitialize = true;
break;
case IModelElementDelta.CHANGED:
int flags = delta.getFlags();
if ((flags & IModelElementDelta.F_CLOSED) != 0
|| (flags & IModelElementDelta.F_OPENED) != 0) {
this.needsInitialize = true;
} else {
children = delta.getAffectedChildren();
for (int i = 0, length = children.length; i < length; i++) {
IModelElementDelta child = children[i];
this.processDelta(child);
}
}
break;
}
break;
case IModelElement.PROJECT_FRAGMENT:
kind = delta.getKind();
switch (kind) {
case IModelElementDelta.ADDED:
case IModelElementDelta.REMOVED:
this.needsInitialize = true;
break;
case IModelElementDelta.CHANGED:
int flags = delta.getFlags();
if ((flags & IModelElementDelta.F_ADDED_TO_BUILDPATH) > 0
|| (flags & IModelElementDelta.F_REMOVED_FROM_BUILDPATH) > 0) {
this.needsInitialize = true;
}
break;
}
break;
}
}
@Override
public String toString() {
return "DLTKWorkspaceScope(" + toolkit.getLanguageName() + ')'; //$NON-NLS-1$
}
}