private void loadExternalPaths() throws CoreException {
if (externalPaths == null) {
externalPaths = new ArrayList<IPath>();
externalFragments = new ArrayList<IProjectFragment>();
final IProjectFragment[] allFragments = getScriptProject().getAllProjectFragments();
for (int i = 0; i < allFragments.length; i++) {
final IProjectFragment fragment = allFragments[i];
if (fragment.isExternal()) {
final IPath path = fragment.getPath();
externalPaths.add(path);
externalFragments.add(fragment);
}
}
}
}
public static boolean isLanguageModelElement(IModelElement element) {
if (element != null) {
final IProjectFragment fragment =
(IProjectFragment) element.getAncestor(IModelElement.PROJECT_FRAGMENT);
if (fragment != null && fragment.isExternal()) {
final IPath path = fragment.getPath();
// see getTargetLocation() below for description:
if (path.segmentCount() > 2) {
return "__language__".equals(path.segment(path.segmentCount() - 2));
}
}
}
return false;
}
protected IModelElement findInputForJavaElement(IModelElement je, boolean canChangeInputType) {
if (je == null || !je.exists()) return null;
if (isValidInput(je)) {
// don't update if input must be project (i.e. project is used as
// source folder)
if (canChangeInputType)
fLastInputWasProject = je.getElementType() == IModelElement.SCRIPT_PROJECT;
return je;
} else if (fLastInputWasProject) {
IProjectFragment packageFragmentRoot =
(IProjectFragment) je.getAncestor(IModelElement.PROJECT_FRAGMENT);
if (!packageFragmentRoot.isExternal()) return je.getScriptProject();
}
return findInputForJavaElement(je.getParent(), canChangeInputType);
}
/**
* Returns the package fragment root corresponding to a given resource path.
*
* @param resourcePathString path of expected package fragment root.
* @return the {@link IProjectFragment package fragment root} which path match the given one or
* <code>null</code> if none was found.
*/
public IProjectFragment projectFragment(String resourcePathString) {
int index = -1;
int separatorIndex = resourcePathString.indexOf(FILE_ENTRY_SEPARATOR);
boolean isZIPFile = separatorIndex != -1;
boolean isSpecial = resourcePathString.startsWith(IBuildpathEntry.BUILDPATH_SPECIAL);
if (isZIPFile) {
// internal or external jar (case 3, 4, or 5)
String zipPath = resourcePathString.substring(0, separatorIndex);
String relativePath = resourcePathString.substring(separatorIndex + 1);
index = indexOf(zipPath, relativePath);
} else {
// resource in workspace (case 1 or 2)
index = indexOf(resourcePathString);
}
if (index >= 0) {
int idx = projectIndexes[index];
String projectPath = idx == -1 ? null : (String) this.projectPaths.get(idx);
if (projectPath != null) {
IScriptProject project =
DLTKCore.create(ResourcesPlugin.getWorkspace().getRoot().getProject(projectPath));
if (isZIPFile) {
return project.getProjectFragment(this.containerPaths[index]);
}
if (isSpecial) {
return project.getProjectFragment(this.containerPaths[index]);
}
Object target =
Model.getTarget(
ResourcesPlugin.getWorkspace().getRoot(),
Path.fromPortableString(
this.containerPaths[index] + '/' + this.relativePaths[index]),
false);
if (target instanceof IProject) {
return project.getProjectFragment((IProject) target);
}
if (target instanceof IResource) {
IModelElement element = DLTKCore.create((IResource) target);
return (IProjectFragment) element.getAncestor(IModelElement.PROJECT_FRAGMENT);
}
if (target instanceof IFileHandle) {
try {
IProjectFragment[] fragments = project.getProjectFragments();
IFileHandle t = (IFileHandle) target;
IPath absPath = t.getFullPath();
for (int i = 0; i < fragments.length; ++i) {
IProjectFragment f = fragments[i];
if (f.isExternal()) {
IPath pPath = f.getPath();
if (pPath.isPrefixOf(absPath) && !Util.isExcluded(absPath, f, t.isDirectory())) {
return f;
}
}
}
} catch (ModelException e) {
e.printStackTrace();
return null;
}
}
}
}
return null;
}
/**
* Add an element to the script search scope.
*
* @param element The element we want to add to current script search scope
* @throws ModelException May happen if some Script Model info are not available
*/
public void add(IModelElement element) throws ModelException {
if (!natureFilter(element)) {
return;
}
IPath containerPath = null;
String containerPathToString = null;
int includeMask = SOURCES | APPLICATION_LIBRARIES | SYSTEM_LIBRARIES;
switch (element.getElementType()) {
case IModelElement.SCRIPT_MODEL:
// a workspace scope should be used
break;
case IModelElement.SCRIPT_PROJECT:
add((ScriptProject) element, null, includeMask, new HashSet<IProject>(2), null);
break;
case IModelElement.PROJECT_FRAGMENT:
IProjectFragment root = (IProjectFragment) element;
String projectPath = null;
if (!root.isExternal()) {
IPath rootPath = root.getPath();
containerPath =
root.getKind() == IProjectFragment.K_SOURCE ? root.getParent().getPath() : rootPath;
containerPathToString = containerPath.toString();
IResource rootResource = root.getResource();
projectPath = root.getScriptProject().getPath().toString();
if (rootResource != null && rootResource.isAccessible()) {
String relativePath =
Util.relativePath(rootResource.getFullPath(), containerPath.segmentCount());
add(projectPath, relativePath, containerPathToString, false /* not a package */, null);
} else {
add(
projectPath,
org.eclipse.dltk.compiler.util.Util.EMPTY_STRING,
containerPathToString,
false /* not a package */,
null);
}
} else {
projectPath = root.getScriptProject().getPath().toString();
containerPath = root.getPath();
containerPathToString = containerPath.toString();
add(
projectPath,
org.eclipse.dltk.compiler.util.Util.EMPTY_STRING,
containerPathToString,
false /* not a package */,
null);
}
break;
case IModelElement.SCRIPT_FOLDER:
root = (IProjectFragment) element.getParent();
projectPath = root.getScriptProject().getPath().toString();
if (root.isArchive()) {
if (DLTKCore.DEBUG) {
System.err.println("TODO: Check. Bug possible..."); // $NON-NLS-1$
}
String relativePath = ((ModelElement) element).getPath().toString() + '/';
containerPath = root.getPath();
containerPathToString = containerPath.toString();
add(projectPath, relativePath, containerPathToString, true /* package */, null);
} else {
IResource resource = element.getResource();
if (resource != null) {
if (resource.isAccessible()) {
containerPath =
root.getKind() == IProjectFragment.K_SOURCE
? root.getParent().getPath()
: root.getPath();
} else {
// for working copies, get resource container full path
containerPath = resource.getParent().getFullPath();
}
containerPathToString = containerPath.toString();
String relativePath =
Util.relativePath(resource.getFullPath(), containerPath.segmentCount());
add(projectPath, relativePath, containerPathToString, true /* package */, null);
}
}
break;
default:
// remember sub-cu (or sub-class file) script elements
if (element instanceof IMember) {
if (this.elements == null) {
this.elements = new ArrayList<IModelElement>();
}
this.elements.add(element);
}
root = (IProjectFragment) element.getAncestor(IModelElement.PROJECT_FRAGMENT);
projectPath = root.getScriptProject().getPath().toString();
String relativePath;
if (root.getKind() == IProjectFragment.K_SOURCE && !root.isExternal()) {
containerPath = root.getParent().getPath();
relativePath = Util.relativePath(getPath(element, false /* full path */), 1 /*
* remove
* project
* segmet
*/);
} else {
containerPath = root.getPath();
relativePath = getPath(element, true /* relative path */).toString();
}
containerPathToString = containerPath.toString();
add(projectPath, relativePath, containerPathToString, false /*
* not a
* package
*/, null);
}
if (containerPath != null) addEnclosingProjectOrArchive(containerPath);
}