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/*******************************************************************************
* Copyright (c) 2000, 2004 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
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.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
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.IProgressMonitor;
public class CModel extends Openable implements ICModel {
public CModel () {
this(ResourcesPlugin.getWorkspace().getRoot());
}
public CModel(IWorkspaceRoot root) {
super (null, root, ICElement.C_MODEL);
}
public boolean equals(Object o) {
if (!(o instanceof CModel)) {
return false;
}
return super.equals(o);
}
public ICProject[] getCProjects() throws CModelException {
List list = getChildrenOfType(C_PROJECT);
ICProject[] array= new ICProject[list.size()];
list.toArray(array);
return array;
}
/**
* ICModel#getCProject(String)
*/
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</code> 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) {
switch(resource.getType()){
case IResource.FOLDER:
return new CProject(this, ((IFolder)resource).getProject());
case IResource.FILE:
return new CProject(this, ((IFile)resource).getProject());
case IResource.PROJECT:
return new CProject(this, (IProject)resource);
default:
throw new IllegalArgumentException("element.invalidResourceForProject"); //$NON-NLS-1$
}
}
/**
* Finds the given project in the list of the java model's children.
* Returns null if not found.
*/
public ICProject findCProject(IProject project) {
try {
ICProject[] projects = getOldCProjectsList();
for (int i = 0, length = projects.length; i < length; i++) {
ICProject javaProject = projects[i];
if (project.equals(javaProject.getProject())) {
return javaProject;
}
}
} catch (CModelException e) {
// c model doesn't exist: cannot find any project
}
return null;
}
public IWorkspace getWorkspace() {
return getUnderlyingResource().getWorkspace();
}
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);
}
}
public void delete(ICElement[] elements, boolean force, IProgressMonitor monitor)
throws CModelException {
if (elements != null && elements[0] != null && elements[0].getElementType() <= ICElement.C_UNIT) {
runOperation(new DeleteResourceElementsOperation(elements, force), monitor);
} else {
runOperation(new DeleteElementsOperation(elements, force), monitor);
}
}
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);
}
}
public void rename(ICElement[] elements, ICElement[] destinations, String[] renamings,
boolean force, IProgressMonitor monitor) throws CModelException {
if (elements != null && elements[0] != null && elements[0].getElementType() <= ICElement.C_UNIT) {
runOperation(new RenameResourceElementsOperation(elements, destinations,
renamings, force), monitor);
} else {
runOperation(new RenameElementsOperation(elements, destinations, renamings, force), monitor);
}
}
/**
* Configures and runs the <code>MultiOperation</code>.
*/
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]);
}
}
runOperation(op, monitor);
}
protected CElementInfo createElementInfo () {
return new CModelInfo(this);
}
// CHECKPOINT: Roots will return the hashcode of their resource
public int hashCode() {
return resource.hashCode();
}
/**
* Workaround for bug 15168 circular errors not reported
* Returns the list of java projects before resource delta processing
* has started.
*/
public ICProject[] getOldCProjectsList() throws CModelException {
CModelManager manager = CModelManager.getDefault();
return manager.cProjectsCache == null ?
getCProjects() :
manager.cProjectsCache;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.model.Openable#buildStructure(org.eclipse.cdt.internal.core.model.OpenableInfo, org.eclipse.core.runtime.IProgressMonitor, java.util.Map, org.eclipse.core.resources.IResource)
*/
protected boolean buildStructure(OpenableInfo info, IProgressMonitor pm, Map 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;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.model.ICModel#getNonCResources()
*/
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 (int i = 0, max = projects.length; i < max; i++) {
IProject project = projects[i];
if (CoreModel.hasCNature(project) || CoreModel.hasCCNature(project)) {
ICProject cproject = new CProject(this, project);
info.addChild(cproject);
}
}
((CModelInfo)getElementInfo()).setNonCResources(null);
return true;
}
}
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