private ISourceTagProvider createSourceTagProvider(IStorage storage) {
ITranslationUnit tUnit = null;
if (storage instanceof IFile) {
tUnit = (ITranslationUnit) CoreModel.getDefault().create((IFile) storage);
} else if (storage instanceof IFileState) {
ICModel cModel = CoreModel.getDefault().getCModel();
ICProject[] cProjects;
try {
cProjects = cModel.getCProjects();
if (cProjects.length > 0) {
tUnit =
CoreModel.getDefault().createTranslationUnitFrom(cProjects[0], storage.getFullPath());
}
} catch (CModelException e) {
}
} else {
IEditorInput input = CDTUITools.getEditorInputForLocation(storage.getFullPath(), null);
if (input != null) {
tUnit = (ITranslationUnit) input.getAdapter(ITranslationUnit.class);
}
}
if (tUnit != null) {
return new CSourceTagProvider(tUnit);
}
return null;
}
/**
* @param language
* @param storage
* @param textViewer
*/
public CSourcePresentationCreator(ILanguage language, IStorage storage, ITextViewer textViewer) {
if (language != null) {
fViewer = textViewer;
fPreferenceStore = CUIPlugin.getDefault().getCombinedPreferenceStore();
final IColorManager colorManager = CDTUITools.getColorManager();
fSourceViewerConfiguration =
new CustomCSourceViewerConfiguration(colorManager, fPreferenceStore, language);
setDocumentPartitioning(fSourceViewerConfiguration.getConfiguredDocumentPartitioning(null));
initializeDamagerRepairer(storage, colorManager, fPreferenceStore);
fPreferenceStore.addPropertyChangeListener(this);
}
}
/**
* Returns the C model element at the given selection.
*
* @param part Workbench part where the selection is.
* @param selection Selection in part.
* @return C model element if found.
*/
protected ICElement getCElementFromSelection(IWorkbenchPart part, ISelection selection) {
if (selection instanceof ITextSelection) {
ITextSelection textSelection = (ITextSelection) selection;
String text = textSelection.getText();
if (text != null) {
if (part instanceof ITextEditor) {
ICElement editorElement =
CDTUITools.getEditorInputCElement(((ITextEditor) part).getEditorInput());
if (editorElement instanceof ITranslationUnit) {
ITranslationUnit tu = (ITranslationUnit) editorElement;
try {
if (tu.isStructureKnown() && tu.isConsistent()) {
return tu.getElementAtOffset(textSelection.getOffset());
}
} catch (CModelException exc) {
// ignored on purpose
}
}
} else {
IResource resource = getResource(part);
if (resource instanceof IFile) {
ITranslationUnit tu = getTranslationUnit((IFile) resource);
if (tu != null) {
try {
ICElement element = tu.getElement(text.trim());
if (element == null) {
element = tu.getElementAtLine(textSelection.getStartLine());
}
return element;
} catch (CModelException e) {
}
}
}
}
}
} else if (selection instanceof IStructuredSelection) {
IStructuredSelection ss = (IStructuredSelection) selection;
if (ss.size() == 1) {
Object object = ss.getFirstElement();
if (object instanceof ICElement) {
return (ICElement) object;
}
}
}
return null;
}