/*******************************************************************************
* Copyright (c) 2006, 2008 Symbian Software Ltd. 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:
* Andrew Ferguson (Symbian) - initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom;
import java.net.URI;
import java.net.URISyntaxException;
import org.eclipse.cdt.core.index.IIndexFileLocation;
import org.eclipse.cdt.core.index.IIndexLocationConverter;
import org.eclipse.cdt.internal.core.index.IndexFileLocation;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
/**
* The standard location converter used by the per-project PDOM
*/
public class PDOMProjectIndexLocationConverter implements IIndexLocationConverter {
private static final String EXTERNAL = "<EXT>"; //$NON-NLS-1$
private static final String WS = "<WS>"; //$NON-NLS-1$
final private IWorkspaceRoot fRoot;
final private String fFullPathPrefix;
final private boolean fIgnoreExternal;
public PDOMProjectIndexLocationConverter(IProject project) {
this(project, false);
}
public PDOMProjectIndexLocationConverter(IProject project, boolean ignoreWSExternal) {
fRoot= (IWorkspaceRoot) project.getParent();
fFullPathPrefix= project.getFullPath().toString() + IPath.SEPARATOR;
fIgnoreExternal= ignoreWSExternal;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.pdom.dom.IIndexLocationConverter#fromInternalFormat(java.lang.String)
*/
public IIndexFileLocation fromInternalFormat(String raw) {
String fullPath = null;
URI uri= null;
if(raw.startsWith(EXTERNAL)) {
try {
uri = new URI(raw.substring(EXTERNAL.length()));
} catch(URISyntaxException use) {
}
} else {
if (raw.startsWith(WS)) {
fullPath= raw.substring(WS.length());
} else {
fullPath= fFullPathPrefix+raw;
}
final IPath path= new Path(fullPath);
if (path.segmentCount() > 1) {
IResource member= fRoot.getFile(path);
uri = member.getLocationURI();
}
}
return uri == null ? null : new IndexFileLocation(uri, fullPath);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.pdom.dom.IIndexLocationConverter#toRaw(java.net.URI)
*/
public String toInternalFormat(IIndexFileLocation location) {
String fullPath= location.getFullPath();
if(fullPath!=null) {
if (fullPath.startsWith(fFullPathPrefix)) {
return fullPath.substring(fFullPathPrefix.length());
}
return WS + fullPath;
}
if (fIgnoreExternal)
return null;
return EXTERNAL+location.getURI().toString();
}
}