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/*******************************************************************************
* Copyright (c) 2004, 2010 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
*******************************************************************************/
package org.eclipse.cdt.debug.internal.core.sourcelookup;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.debug.core.CDebugCorePlugin;
import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;
import org.eclipse.cdt.internal.core.model.ExternalTranslationUnit;
import org.eclipse.cdt.internal.core.resources.ResourceLookup;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.sourcelookup.ISourceContainerType;
import org.eclipse.debug.core.sourcelookup.ISourceLookupDirector;
import org.eclipse.debug.core.sourcelookup.containers.AbstractSourceContainer;
import org.eclipse.debug.core.sourcelookup.containers.LocalFileStorage;
import com.ibm.icu.text.MessageFormat;
/**
* The source container that maps a backend path to the local filesystem path.
*/
public class MapEntrySourceContainer extends AbstractSourceContainer {
/**
* Unique identifier for the map entry source container type
* (value <code>org.eclipse.cdt.debug.core.containerType.mapEntry</code>).
*/
public static final String TYPE_ID = CDebugCorePlugin.getUniqueIdentifier() + ".containerType.mapEntry"; //$NON-NLS-1$
private IPath fLocalPath;
private IPath fBackendPath;
/**
* Constructor for MapEntrySourceContainer.
*/
public MapEntrySourceContainer() {
fBackendPath = Path.EMPTY;
fLocalPath = Path.EMPTY;
}
/**
* Constructor for MapEntrySourceContainer.
*/
public MapEntrySourceContainer(IPath backend, IPath local) {
fBackendPath = backend;
fLocalPath = local;
}
/**
* Create an IPath from a string which may be a Win32 path. <p>
* <p>
* ("new Path(...)" won't work in Unix when using a Win32 path: the backslash
* separator and the device notation are completely munged.)
* Copied from org.eclipse.cdt.debug.edc.internal.PathUtils
* @param path
* @return converted string
*/
public static IPath createPath(String path) {
if (path == null)
return null;
// Check for windows full-path formatting.
if (path.matches("^([a-zA-Z])[:](.*)$")) { //$NON-NLS-1$
String device = null;
String missingfile = path.replace("\\", "/"); //$NON-NLS-1$ //$NON-NLS-2$
int idx = missingfile.indexOf(":"); //$NON-NLS-1$
if ( idx > 0 ) {
device = missingfile.substring(0, idx + 1);
missingfile = missingfile.substring(idx + 1);
}
return new Path(device, missingfile);
}
int idx = 0;
// Cygwin or UNC path
if (path.startsWith("//")) { //$NON-NLS-1$
String network;
idx = path.indexOf("/", 2); //$NON-NLS-1$
if (idx > 0) {
network = path.substring(0, idx);
path = path.substring(idx);
} else {
network = path;
path = ""; //$NON-NLS-1$
}
return new Path(network, path).makeUNC(true);
}
// fallthrough
return new Path(path);
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.sourcelookup.ISourceContainer#findSourceElements(java.lang.String)
*/
@Override
public Object[] findSourceElements(String name) throws CoreException {
IPath path = createPath(name);
if (getBackendPath().isPrefixOf(path)) {
path = path.removeFirstSegments(getBackendPath().segmentCount());
path = getLocalPath().append(path);
IFile[] wsFiles = ResourceLookup.findFilesForLocation(path);
ArrayList<IFile> list = new ArrayList<IFile>();
for (int j = 0; j < wsFiles.length; ++j) {
if (wsFiles[j].exists()) {
list.add(wsFiles[j]);
if (!isFindDuplicates())
break;
}
}
if (list.size() > 0)
return list.toArray();
File file = path.toFile();
// The file is not already in the workspace so try to create an external translation unit for it.
ISourceLookupDirector director = getDirector();
if (director != null && file.exists() && file.isFile()) {
ILaunchConfiguration launchConfiguration = director.getLaunchConfiguration();
if (launchConfiguration != null) {
String projectName = launchConfiguration.getAttribute(ICDTLaunchConfigurationConstants.ATTR_PROJECT_NAME, ""); //$NON-NLS-1$
if (projectName.length() > 0) {
ICProject project = CoreModel.getDefault().getCModel().getCProject(projectName);
if (project != null) {
String id;
try {
final IPath location= Path.fromOSString(file.getCanonicalPath());
id = CoreModel.getRegistedContentTypeId(project.getProject(), location.lastSegment());
return new ExternalTranslationUnit[] { new ExternalTranslationUnit(project, location, id) };
} catch (IOException e) {
CDebugCorePlugin.log(e);
}
}
}
}
}
if (file.exists() && file.isFile()) {
return new Object[] { new LocalFileStorage(file) };
}
}
return EMPTY;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.sourcelookup.ISourceContainer#getName()
*/
@Override
public String getName() {
return MessageFormat.format("{0} - {1}", new String[] { getBackendPath().toOSString(), getLocalPath().toOSString() }); //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.sourcelookup.ISourceContainer#getType()
*/
@Override
public ISourceContainerType getType() {
return getSourceContainerType(TYPE_ID);
}
public IPath getLocalPath() {
return fLocalPath;
}
public IPath getBackendPath() {
return fBackendPath;
}
public void setLocalPath(IPath local) {
fLocalPath = local;
}
public void setBackendPath(IPath backend) {
fBackendPath = backend;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object o) {
if (!(o instanceof MapEntrySourceContainer))
return false;
MapEntrySourceContainer entry = (MapEntrySourceContainer)o;
return (entry.getBackendPath().equals(getBackendPath()) && entry.getLocalPath().equals(getLocalPath()));
}
public MapEntrySourceContainer copy() {
return new MapEntrySourceContainer(fBackendPath, fLocalPath);
}
}
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