| /******************************************************************************* |
| * Copyright (c) 2004, 2012 Mylyn project committers 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 |
| *******************************************************************************/ |
| package org.eclipse.mylyn.internal.cdt.ui; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.cdt.core.model.CModelException; |
| import org.eclipse.cdt.core.model.CoreModel; |
| import org.eclipse.cdt.core.model.IBinary; |
| import org.eclipse.cdt.core.model.ICElement; |
| import org.eclipse.cdt.core.model.ICProject; |
| import org.eclipse.cdt.core.model.IFunction; |
| import org.eclipse.cdt.core.model.IInclude; |
| import org.eclipse.cdt.core.model.IMethod; |
| import org.eclipse.cdt.core.model.IParent; |
| import org.eclipse.cdt.core.model.ISourceReference; |
| import org.eclipse.cdt.core.model.ITranslationUnit; |
| import org.eclipse.cdt.ui.CElementGrouping; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.mylyn.context.core.AbstractContextStructureBridge; |
| import org.eclipse.mylyn.context.core.ContextCore; |
| import org.eclipse.mylyn.context.core.IInteractionElement; |
| import org.eclipse.ui.views.markers.internal.ConcreteMarker; |
| |
| /** |
| * @author Mik Kersten |
| * @author Jeff Johnston |
| */ |
| public class CDTStructureBridge extends AbstractContextStructureBridge { |
| |
| public final static String CONTENT_TYPE = "c/c++"; //$NON-NLS-1$ |
| |
| public final static int C_SOURCEROOT = 1000; |
| |
| public CDTStructureBridge() { |
| } |
| |
| @Override |
| public String getContentType() { |
| return CONTENT_TYPE; |
| } |
| |
| @Override |
| public Object getAdaptedParent(Object object) { |
| if (object instanceof IFile) { |
| IFile file = (IFile) object; |
| return CoreModel.getDefault().create(file.getParent()); |
| } else { |
| return super.getAdaptedParent(object); |
| } |
| } |
| |
| @Override |
| public String getParentHandle(String handle) { |
| ICElement cElement = (ICElement) getObjectForHandle(handle); |
| if (cElement != null && cElement.getParent() != null) { |
| return getHandleForElement(cElement.getParent()); |
| } else { |
| return null; |
| } |
| } |
| |
| @Override |
| public List<String> getChildHandles(String handle) { |
| Object object = getObjectForHandle(handle); |
| if (object instanceof ICElement) { |
| ICElement element = (ICElement) object; |
| if (element instanceof IParent) { |
| IParent parent = (IParent) element; |
| ICElement[] children; |
| try { |
| children = parent.getChildren(); |
| List<String> childHandles = new ArrayList<String>(); |
| for (ICElement element2 : children) { |
| String childHandle = getHandleIdentifier(element2); |
| if (childHandle != null) { |
| childHandles.add(childHandle); |
| } |
| } |
| AbstractContextStructureBridge parentBridge = ContextCore.getStructureBridge(parentContentType); |
| if (parentBridge != null && ContextCore.CONTENT_TYPE_RESOURCE.equals(parentBridge.getContentType())) { |
| // TODO: Make sure line below is correct |
| if (element.getElementType() < ICElement.C_NAMESPACE) { |
| List<String> resourceChildren = parentBridge.getChildHandles(handle); |
| if (!resourceChildren.isEmpty()) { |
| childHandles.addAll(resourceChildren); |
| } |
| } |
| } |
| |
| return childHandles; |
| } catch (CModelException e) { |
| // ignore these, usually indicate no-existent element |
| } |
| } |
| } |
| return Collections.emptyList(); |
| } |
| |
| public static ICElement getElementForHandle(String handle) { |
| return CoreModel.create(handle); |
| } |
| |
| @Override |
| public Object getObjectForHandle(String handle) { |
| return getElementForHandle(handle); |
| } |
| |
| // In the CDT, an ICElement does not have a handle interface like a |
| // JavaElement. So, to find an element again, we save its CProject name, |
| // plus its path, plus its element name. The CProject name allows us |
| // to find the CProject. The path allows us to find the ITranslationUnit. |
| // The element name (optional) allows us to find an element within the |
| // TranslationUnit. |
| public static String getHandleForElement(ICElement element) { |
| String handle = element.getHandleIdentifier(); |
| if (handle != null && !(element instanceof ICProject)) { |
| ICProject cProject = element.getCProject(); |
| if (cProject != null) { |
| String projectHandle = getHandleForElement(cProject); |
| if (handle.equals(projectHandle)) { |
| // see bug 328300 |
| return null; |
| } |
| } |
| } |
| return handle; |
| } |
| |
| /** |
| * Uses resource-compatible path for projects |
| */ |
| @Override |
| public String getHandleIdentifier(Object object) { |
| if (object instanceof ICElement) { |
| return getHandleForElement((ICElement) object); |
| } else { |
| if (object instanceof IAdaptable) { |
| Object adapter = ((IAdaptable) object).getAdapter(ICElement.class); |
| if (adapter instanceof ICElement) { |
| return getHandleForElement((ICElement) adapter); |
| } |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public String getLabel(Object object) { |
| if (object instanceof ICElement) { |
| return ((ICElement) object).getElementName(); |
| } else { |
| return ""; //$NON-NLS-1$ |
| } |
| } |
| |
| @Override |
| public boolean canBeLandmark(String handle) { |
| ICElement element = (ICElement) getObjectForHandle(handle); |
| if ((element instanceof IMethod || element instanceof IFunction) && element.exists()) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| /** |
| * TODO: figure out if the non ICElement stuff is needed |
| */ |
| @Override |
| public boolean acceptsObject(Object object) { |
| if (object instanceof IResource) { |
| object = ((IResource) object).getAdapter(ICElement.class); |
| } |
| |
| boolean accepts = (object instanceof ICElement && !(object instanceof IBinary)) |
| || object instanceof CElementGrouping; |
| |
| return accepts; |
| } |
| |
| @Override |
| public boolean canFilter(Object object) { |
| if (object instanceof CElementGrouping) { |
| try { |
| CElementGrouping grouping = (CElementGrouping) object; |
| Object[] elements = grouping.getChildren(grouping); |
| if (elements != null) { |
| for (Object adaptable : elements) { |
| IInteractionElement element = ContextCore.getContextManager().getElement( |
| getHandleIdentifier(adaptable)); |
| if (element != null && element.getInterest().isInteresting()) { |
| return false; |
| } |
| } |
| } |
| } catch (Exception e) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean isDocument(String handle) { |
| ICElement element = (ICElement) getObjectForHandle(handle); |
| return element instanceof ITranslationUnit; |
| } |
| |
| @Override |
| public String getHandleForOffsetInObject(Object object, int offset) { |
| IMarker marker; |
| int charStart = 0; |
| if (object instanceof ConcreteMarker) { |
| marker = ((ConcreteMarker) object).getMarker(); |
| } |
| if (object instanceof IMarker) { |
| marker = (IMarker) object; |
| } else { |
| return null; |
| } |
| |
| Object attribute = marker.getAttribute(IMarker.CHAR_START, 0); |
| if (attribute instanceof Integer) { |
| charStart = ((Integer) attribute).intValue(); |
| } |
| |
| try { |
| ITranslationUnit translationUnit = null; |
| IResource resource = marker.getResource(); |
| if (resource instanceof IFile) { |
| IFile file = (IFile) resource; |
| if (CoreModel.isValidTranslationUnitName(null, file.getName())) { |
| ICElement element = CoreModel.getDefault().create(file); |
| translationUnit = CoreModel.getDefault().createTranslationUnitFrom(element.getCProject(), |
| element.getPath()); |
| } else { |
| return null; |
| } |
| } |
| if (translationUnit != null) { |
| ICElement cElement = translationUnit.getElementAtOffset(charStart); |
| if (cElement != null) { |
| if (cElement instanceof IInclude) { |
| cElement = cElement.getParent().getParent(); |
| } |
| return cElement.getElementName(); |
| } else { |
| return null; |
| } |
| } else { |
| return null; |
| } |
| } catch (CModelException e) { |
| return null; |
| } |
| } |
| |
| @Override |
| public String getContentType(String elementHandle) { |
| return getContentType(); |
| } |
| |
| /** |
| * Some copying from: |
| * |
| * @see org.eclipse.jdt.ui.ProblemsLabelDecorator |
| */ |
| public boolean containsProblem(IInteractionElement node) { |
| try { |
| ICElement element = (ICElement) getObjectForHandle(node.getHandleIdentifier()); |
| switch (element.getElementType()) { |
| case ICElement.C_PROJECT: |
| case ICElement.C_CCONTAINER: |
| case ICElement.C_VCONTAINER: |
| return getErrorTicksFromMarkers(element.getResource(), IResource.DEPTH_INFINITE, null); |
| case ICElement.C_UNIT: |
| return getErrorTicksFromMarkers(element.getResource(), IResource.DEPTH_ONE, null); |
| case ICElement.C_USING: |
| case ICElement.C_NAMESPACE: |
| case ICElement.C_INCLUDE: |
| case ICElement.C_TYPEDEF: |
| case ICElement.C_MACRO: |
| case ICElement.C_FUNCTION: |
| case ICElement.C_METHOD: |
| case ICElement.C_FIELD: |
| case ICElement.C_VARIABLE_LOCAL: |
| case ICElement.C_CLASS: |
| ITranslationUnit cu = (ITranslationUnit) element.getAncestor(ICElement.C_UNIT); |
| if (cu != null) { |
| return getErrorTicksFromMarkers(element.getResource(), IResource.DEPTH_ONE, null); |
| } |
| } |
| } catch (CoreException e) { |
| // ignore |
| } |
| return false; |
| } |
| |
| private boolean getErrorTicksFromMarkers(IResource res, int depth, ISourceReference sourceElement) |
| throws CoreException { |
| if (res == null || !res.isAccessible()) { |
| return false; |
| } |
| IMarker[] markers = res.findMarkers(IMarker.PROBLEM, true, depth); |
| if (markers != null) { |
| for (IMarker curr : markers) { |
| if (sourceElement == null) { |
| int priority = curr.getAttribute(IMarker.SEVERITY, -1); |
| if (priority == IMarker.SEVERITY_ERROR) { |
| return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| } |