net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/builder/ParserVisitor.java

   1 package net.sourceforge.phpeclipse.builder;
   2
   3 import net.sourceforge.phpdt.internal.ui.util.PHPFileUtil;
   4 import net.sourceforge.phpeclipse.phpeditor.PHPParserAction;
   5
   6 import org.eclipse.core.resources.IFile;
   7 import org.eclipse.core.resources.IResource;
   8 import org.eclipse.core.resources.IResourceDelta;
   9 import org.eclipse.core.resources.IResourceDeltaVisitor;
  10 import org.eclipse.core.runtime.CoreException;
  11 import org.eclipse.core.runtime.IProgressMonitor;
  12 import org.eclipse.core.runtime.OperationCanceledException;
  13
  14 /**
  15  *
  16  * @see org.eclipse.core.resources.IResourceDelta
  17  * @see org.eclipse.core.resources.IResourceDeltaVisitor
  18  */
  19 public class ParserVisitor implements IResourceDeltaVisitor {
  20   final IProgressMonitor fMonitor;
  21   public ParserVisitor(IProgressMonitor monitor) {
  22     fMonitor = monitor;
  23   }
  24
  25         protected void checkCancel() {
  26                                 if (fMonitor.isCanceled()) {
  27                                          throw new OperationCanceledException();
  28                                 }
  29                  }
  30   /**
  31    * Visits the given resource delta.
  32    *
  33    * @return <code>true</code> if the resource delta's children should
  34    *            be visited; <code>false</code> if they should be skipped.
  35    * @exception CoreException if the visit fails for some reason.
  36    */
  37   public boolean visit(IResourceDelta delta) throws CoreException {
  38
  39     IResource resource = delta.getResource();
  40     int resourceType = resource.getType();
  41                 checkCancel();
  42
  43     switch (delta.getKind()) {
  44       case IResourceDelta.ADDED :
  45         if (resourceType == IResource.FILE) {
  46           if ((resource.getFileExtension() != null)
  47             && PHPFileUtil.isPHPFile((IFile) resource)) {
  48                                                 fMonitor.worked(1);
  49             fMonitor.subTask("Parsing: " + resource.getFullPath());
  50             PHPParserAction.parseFile((IFile) resource);
  51           }
  52         }
  53         break;
  54
  55       case IResourceDelta.CHANGED :
  56         if (resourceType == IResource.FILE) {
  57           if ((resource.getFileExtension() != null)
  58             && PHPFileUtil.isPHPFile((IFile) resource)) {
  59                                         fMonitor.worked(1);
  60             fMonitor.subTask("Parsing: " + resource.getFullPath());
  61             PHPParserAction.parseFile((IFile) resource);
  62           }
  63         }
  64         break;
  65
  66       case IResourceDelta.REMOVED :
  67         }
  68     return true; // carry on
  69   }
  70
  71 }