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/*
* Created on Jul 23, 2003
*/
package org.eclipse.cdt.internal.core.sourcedependency;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.index.IIndexStorage;
import org.eclipse.cdt.core.search.SearchEngine;
import org.eclipse.cdt.internal.core.index.IDocument;
import org.eclipse.cdt.internal.core.index.IIndex;
import org.eclipse.cdt.internal.core.index.impl.BlocksIndexInput;
import org.eclipse.cdt.internal.core.index.impl.IFileDocument;
import org.eclipse.cdt.internal.core.index.impl.IncludeEntry;
import org.eclipse.cdt.internal.core.index.impl.IndexInput;
import org.eclipse.cdt.internal.core.index.impl.IndexedFile;
import org.eclipse.cdt.internal.core.index.sourceindexer.CIndexStorage;
import org.eclipse.cdt.internal.core.index.sourceindexer.SourceIndexer;
import org.eclipse.cdt.internal.core.search.IndexSelector;
import org.eclipse.cdt.internal.core.search.indexing.IndexManager;
import org.eclipse.cdt.internal.core.search.indexing.ReadWriteMonitor;
import org.eclipse.cdt.internal.core.search.processing.IIndexJob;
import org.eclipse.cdt.internal.core.search.processing.JobManager;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
/**
* @author bgheorgh
*/
public class DependencyQueryJob implements IIndexJob {
IProject project;
IFile file;
ArrayList includeFiles;
SourceIndexer indexer;
IndexManager indexManager;
protected IndexSelector indexSelector;
protected long executionTime = 0;
public DependencyQueryJob(IProject project, IFile file, SourceIndexer indexer, List includeFiles) {
this.project = project;
this.file = file;
this.indexer = indexer;
this.includeFiles = (ArrayList) includeFiles;
this.indexManager = CCorePlugin.getDefault().getCoreModel().getIndexManager();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.search.processing.IJob#belongsTo(java.lang.String)
*/
public boolean belongsTo(String jobFamily) {
// TODO Auto-generated method stub
return true;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.search.processing.IJob#cancel()
*/
public void cancel() {}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.search.processing.IJob#execute(org.eclipse.core.runtime.IProgressMonitor)
*/
public boolean execute(IProgressMonitor progressMonitor) {
if ((project == null) ||(file == null)) return false;
//
if (progressMonitor != null && progressMonitor.isCanceled())
throw new OperationCanceledException();
boolean isComplete = COMPLETE;
executionTime = 0;
if (this.indexSelector == null) {
this.indexSelector =
new IndexSelector(SearchEngine.createWorkspaceScope(), null, false, indexManager);
}
IIndex[] searchIndexes = this.indexSelector.getIndexes();
try {
int max = searchIndexes.length;
int min=0;
if (progressMonitor != null) {
progressMonitor.beginTask("", max); //$NON-NLS-1$
}
for (int i = 0; i < max; i++) {
isComplete &= getFileDeps(searchIndexes[i], progressMonitor);
if (progressMonitor != null) {
if (progressMonitor.isCanceled()) {
throw new OperationCanceledException();
} else {
progressMonitor.worked(1);
}
}
}
if (JobManager.VERBOSE) {
JobManager.verbose("-> execution time: " + executionTime + "ms - " + this);//$NON-NLS-1$//$NON-NLS-2$
}
return isComplete;
} finally {
if (progressMonitor != null) {
progressMonitor.done();
}
}
}
/**
* @param index
* @param progressMonitor
* @return
*/
public boolean getFileDeps(IIndex index, IProgressMonitor progressMonitor){
if (progressMonitor != null && progressMonitor.isCanceled())
throw new OperationCanceledException();
// IIndex inMemIndex = indexManager.peekAtIndex(new Path(((Index)index).toString.substring("Index for ".length()).replace('\\','/')));
// if (inMemIndex != index) {
// System.out.println("SANITY CHECK: search job using obsolete index: ["+index+ "] instead of: ["+inMemIndex+"]");
// }
if (index == null)
return COMPLETE;
if (!(indexer instanceof SourceIndexer))
return FAILED;
SourceIndexer sourceIndexer = (SourceIndexer)indexer;
ReadWriteMonitor monitor = sourceIndexer.getMonitorFor(index);
if (monitor == null)
return COMPLETE; // index got deleted since acquired
try {
monitor.enterRead(); // ask permission to read
/* if index has changed, commit these before querying */
if (index.hasChanged()) {
try {
monitor.exitRead(); // free read lock
monitor.enterWrite(); // ask permission to write
sourceIndexer.saveIndex(index);
} catch (IOException e) {
return FAILED;
} finally {
monitor.exitWriteEnterRead(); // finished writing and reacquire read permission
}
}
long start = System.currentTimeMillis();
//
IndexInput input = new BlocksIndexInput(index.getIndexFile());
try {
input.open();
findDep(input);
} finally {
input.close();
}
//
//String[] tempFiles = this.indexManager.getFileDependencies(project,file);
// if (tempFiles != null){
// System.out.println("DQJOB File Deps : " + tempFiles.length);
// for (int i=0; i<tempFiles.length; i++){
// includeFiles.add(tempFiles[i]);
// }
// }
executionTime += System.currentTimeMillis() - start;
return COMPLETE;
}
catch (IOException e){
return FAILED;
}
finally {
monitor.exitRead(); // finished reading
}
}
/**
* @param input
* @param includeFiles
*/
private void findDep(IndexInput input) throws IOException {
IDocument temp = new IFileDocument(file);
IndexedFile dude = input.getIndexedFile(temp);
if (dude == null) return;
int fileNum =dude.getFileNumber();
IncludeEntry[] tempEntries = input.queryIncludeEntries(fileNum);
if (tempEntries != null){
for (int r=0; r<tempEntries.length; r++){
char[] tempFile = tempEntries[r].getFile();
StringBuffer tempString = new StringBuffer();
tempString.append(tempFile);
includeFiles.add(tempString.toString());
}
}
//
// if (indexFile == null)
// return new String[0];
//
// int fileNum = indexFile.getFileNumber();
// IncludeEntry[] tempEntries = addsIndex.getIncludeEntries();
// for (int i=0; i<tempEntries.length; i++)
// {
// int[] fileRefs = tempEntries[i].getRefs();
// for (int j=0; j<fileRefs.length; j++)
// {
// if (fileRefs[j] == fileNum)
// {
// //System.out.println(filePath.toString() + " references " + y[i].toString());
// char[] tempFile = tempEntries[i].getFile();
// StringBuffer tempString = new StringBuffer();
// tempString.append(tempFile);
// tempFileReturn.add(tempString.toString());
// break;
// }
// }
// }
//
//
}
public String toString() {
return "searching for the dependencies of" + file.getName(); //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.search.processing.IJob#isReadyToRun()
*/
public boolean isReadyToRun() {
if (this.indexSelector == null) { // only check once. As long as this job is used, it will keep the same index picture
this.indexSelector = new IndexSelector(SearchEngine.createWorkspaceScope(), null, false, indexManager);
this.indexSelector.getIndexes(); // will only cache answer if all indexes were available originally
}
return true;
}
}
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