/*******************************************************************************
* Copyright (c) 2000, 2014 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
* Anton Leherbauer (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.model;
import java.util.List;
import java.util.Map;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ICModel;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.internal.core.util.MementoTokenizer;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IProgressMonitor;
public class CModel extends Openable implements ICModel {
public CModel() {
this(ResourcesPlugin.getWorkspace().getRoot());
}
public CModel(IWorkspaceRoot root) {
super (null, root, ICElement.C_MODEL);
}
@Override
public boolean equals(Object o) {
if (!(o instanceof CModel)) {
return false;
}
return super.equals(o);
}
@Override
public ICProject[] getCProjects() throws CModelException {
List<?> list = getChildrenOfType(C_PROJECT);
ICProject[] array= new ICProject[list.size()];
list.toArray(array);
return array;
}
@Override
public ICProject getCProject(String name) {
IProject project = ((IWorkspaceRoot) getResource()).getProject(name);
return CModelManager.getDefault().create(project);
}
/**
* Returns the active C project associated with the specified resource,
* or {@code null} if no C project yet exists for the resource.
*
* @exception IllegalArgumentException if the given resource is not one of
* an IProject, IFolder, or IFile.
*/
public ICProject getCProject(IResource resource) {
IProject project = resource.getProject();
if (project == null)
throw new IllegalArgumentException("element.invalidResourceForProject"); //$NON-NLS-1$
return new CProject(this, project);
}
/**
* Finds the given project in the list of the C model's children.
* Returns {@code null} if not found.
*/
public ICProject findCProject(IProject project) {
try {
ICProject[] projects = getOldCProjectsList();
for (ICProject cProject : projects) {
if (project.equals(cProject.getProject())) {
return cProject;
}
}
} catch (CModelException e) {
// C model doesn't exist: cannot find any project.
}
return null;
}
@Override
public IWorkspace getWorkspace() {
return getUnderlyingResource().getWorkspace();
}
@Override
public void copy(ICElement[] elements, ICElement[] containers, ICElement[] siblings,
String[] renamings, boolean replace, IProgressMonitor monitor) throws CModelException {
if (elements != null && elements[0] != null && elements[0].getElementType() <= ICElement.C_UNIT) {
runOperation(new CopyResourceElementsOperation(elements, containers, replace), elements,
siblings, renamings, monitor);
} else {
runOperation(new CopyElementsOperation(elements, containers, replace), elements, siblings,
renamings, monitor);
}
}
@Override
public void delete(ICElement[] elements, boolean force, IProgressMonitor monitor)
throws CModelException {
CModelOperation op;
if (elements != null && elements[0] != null && elements[0].getElementType() <= ICElement.C_UNIT) {
op = new DeleteResourceElementsOperation(elements, force);
} else {
op = new DeleteElementsOperation(elements, force);
}
op.runOperation(monitor);
}
@Override
public void move(ICElement[] elements, ICElement[] containers, ICElement[] siblings,
String[] renamings, boolean replace, IProgressMonitor monitor) throws CModelException {
if (elements != null && elements[0] != null && elements[0].getElementType() <= ICElement.C_UNIT) {
runOperation(new MoveResourceElementsOperation(elements, containers, replace), elements,
siblings, renamings, monitor);
} else {
runOperation(new MoveElementsOperation(elements, containers, replace), elements, siblings,
renamings, monitor);
}
}
@Override
public void rename(ICElement[] elements, ICElement[] destinations, String[] renamings,
boolean force, IProgressMonitor monitor) throws CModelException {
CModelOperation op;
if (elements != null && elements[0] != null && elements[0].getElementType() <= ICElement.C_UNIT) {
op = new RenameResourceElementsOperation(elements, destinations, renamings, force);
} else {
op = new RenameElementsOperation(elements, destinations, renamings, force);
}
op.runOperation(monitor);
}
/**
* Configures and runs the {@link MultiOperation}.
*/
protected void runOperation(MultiOperation op, ICElement[] elements, ICElement[] siblings,
String[] renamings, IProgressMonitor monitor) throws CModelException {
op.setRenamings(renamings);
if (siblings != null) {
for (int i = 0; i < elements.length; i++) {
op.setInsertBefore(elements[i], siblings[i]);
}
}
op.runOperation(monitor);
}
@Override
protected CElementInfo createElementInfo () {
return new CModelInfo(this);
}
// CHECKPOINT: Roots will return the hashcode of their resource
@Override
public int hashCode() {
return resource.hashCode();
}
/**
* Workaround for bug 15168 circular errors not reported
* Returns the list of C projects before resource delta processing has started.
*/
public ICProject[] getOldCProjectsList() throws CModelException {
CModelManager manager = CModelManager.getDefault();
return manager.cProjectsCache == null ?
getCProjects() :
manager.cProjectsCache;
}
@Override
protected boolean buildStructure(OpenableInfo info, IProgressMonitor pm, Map<ICElement,
CElementInfo> newElements, IResource underlyingResource) throws CModelException {
boolean validInfo = false;
try {
IResource res = getResource();
if (res != null && (res instanceof IWorkspaceRoot || res.getProject().isOpen())) {
validInfo = computeChildren(info, res);
}
} finally {
if (!validInfo) {
CModelManager.getDefault().removeInfo(this);
}
}
return validInfo;
}
@Override
public Object[] getNonCResources() throws CModelException {
return ((CModelInfo) getElementInfo()).getNonCResources();
}
protected boolean computeChildren(OpenableInfo info, IResource res) throws CModelException {
// Determine my children.
IWorkspaceRoot root = (IWorkspaceRoot) getResource();
IProject[] projects = root.getProjects();
for (IProject project : projects) {
if (CoreModel.hasCNature(project) || CoreModel.hasCCNature(project)) {
ICProject cproject = new CProject(this, project);
info.addChild(cproject);
}
}
((CModelInfo) getElementInfo()).setNonCResources(null);
return true;
}
@Override
public ICElement getHandleFromMemento(String token, MementoTokenizer memento) {
switch (token.charAt(0)) {
case CEM_CPROJECT:
if (!memento.hasMoreTokens())
return this;
String projectName = memento.nextToken();
CElement project = (CElement) getCProject(projectName);
if (project != null)
return project.getHandleFromMemento(memento);
}
return null;
}
@Override
public void getHandleMemento(StringBuilder buff) {
buff.append(getElementName());
}
@Override
protected char getHandleMementoDelimiter() {
Assert.isTrue(false, "Should not be called"); //$NON-NLS-1$
return 0;
}
}