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Added a method to CTagsIndexer to ensure that the proper version of CTags exists

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Updated CPPSelectionTestsCTagsIndexer to check to see that CTags exists before running tests
This commit is contained in:
Bogdan Gheorghe 2005-05-31 19:36:40 +00:00
parent f7d25b8b16
commit bfee5d5b13
1 changed files with 61 additions and 0 deletions
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61
core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/index/ctagsindexer/CTagsIndexer.java
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@ -11,6 +11,7 @@
package org.eclipse.cdt.internal.core.index.ctagsindexer;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
@ -18,12 +19,15 @@ import java.util.List;
import org.eclipse.cdt.core.AbstractCExtension;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.CommandLauncher;
import org.eclipse.cdt.core.ICLogConstants;
import org.eclipse.cdt.core.IConsoleParser;
import org.eclipse.cdt.core.index.ICDTIndexer;
import org.eclipse.cdt.core.index.IIndexChangeListener;
import org.eclipse.cdt.core.index.IIndexStorage;
import org.eclipse.cdt.core.index.IndexChangeEvent;
import org.eclipse.cdt.core.model.ICModelMarker;
import org.eclipse.cdt.internal.core.ConsoleOutputSniffer;
import org.eclipse.cdt.internal.core.Util;
import org.eclipse.cdt.internal.core.index.IIndex;
import org.eclipse.cdt.internal.core.index.IIndexerOutput;
@ -42,6 +46,8 @@ import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.ISafeRunnable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
@ -447,5 +453,60 @@ public class CTagsIndexer extends AbstractCExtension implements ICDTIndexer {
}
}
public boolean validCTagsInstalled(){
String[] args = {"--version"}; //$NON-NLS-1$
String errMsg = null;
CommandLauncher launcher = new CommandLauncher();
CTagLineReader parser = new CTagLineReader();
IConsoleParser[] parsers = { parser };
ConsoleOutputSniffer sniffer = new ConsoleOutputSniffer(parsers);
OutputStream consoleOut = sniffer.getOutputStream();
OutputStream consoleErr = sniffer.getErrorStream();
Process p = launcher.execute(new Path("ctags"), args,new String[0], new Path(".")); //$NON-NLS-1$ //$NON-NLS-2$
if (p != null) {
try {
// Close the input of the Process explicitely.
// We will never write to it.
p.getOutputStream().close();
} catch (IOException e) {}
if (launcher.waitAndRead(consoleOut, consoleErr, new NullProgressMonitor()) != CommandLauncher.OK) {
errMsg = launcher.getErrorMessage();
}
}
else {
errMsg = launcher.getErrorMessage();
return false;
}
try {
consoleOut.close();
consoleErr.close();
} catch (IOException e) {}
if (parser.isExuberantCtags)
return true;
return false;
}
class CTagLineReader implements IConsoleParser{
boolean isExuberantCtags=false;
public boolean processLine(String line) {
if (line.startsWith("Exuberant Ctags")) //$NON-NLS-1$
isExuberantCtags=true;
return true;
}
public void shutdown() {}
}
}