private IPath getLabel(IIndexFileLocation ifl) {
String fullPath = ifl.getFullPath();
if (fullPath != null) {
return new Path(fullPath);
}
IPath path = IndexLocationFactory.getAbsolutePath(ifl);
if (path != null) {
return path;
}
URI uri = ifl.getURI();
return new Path(EFSExtensionManager.getDefault().getPathFromURI(uri));
}
public String getFileName() {
try {
IIndexFile file = getFile();
if (file == null) {
return null;
}
// We need to specify what this method can return to know
// how to implement this. Existing implementations return
// the absolute path, so here we attempt to do the same.
IPath location = IndexLocationFactory.getAbsolutePath(file.getLocation());
return location != null ? location.toOSString() : null;
} catch (CoreException e) {
CCorePlugin.log(e);
}
return null;
}
/** Performs heuristic header substitution. */
public IPath getPreferredRepresentativeHeaderByHeuristic(InclusionRequest request) {
Set<IIndexFile> indexFiles = request.getDeclaringFiles().keySet();
String symbolName = request.getBinding().getName();
ArrayDeque<IIndexFile> front = new ArrayDeque<IIndexFile>();
HashSet<IIndexFile> processed = new HashSet<IIndexFile>();
try {
// Look for headers without an extension and a matching name.
if (fContext.isCXXLanguage()) {
front.addAll(indexFiles);
processed.addAll(indexFiles);
while (!front.isEmpty()) {
IIndexFile file = front.remove();
String path = IncludeUtil.getPath(file);
if (!hasExtension(path) && getFilename(path).equalsIgnoreCase(symbolName)) {
// A C++ header without an extension and with a name which matches the name
// of the symbol which should be declared is a perfect candidate for inclusion.
return IndexLocationFactory.getAbsolutePath(file.getLocation());
}
// Process the next level of the include hierarchy.
IIndexInclude[] includes = fContext.getIndex().findIncludedBy(file, 0);
for (IIndexInclude include : includes) {
IIndexFile includer = include.getIncludedBy();
if (!processed.contains(includer)) {
front.add(includer);
processed.add(includer);
}
}
}
}
// Repeat the process, this time only looking for headers without an extension.
front.clear();
front.addAll(indexFiles);
processed.clear();
processed.addAll(indexFiles);
while (!front.isEmpty()) {
IIndexFile file = front.remove();
String path = IncludeUtil.getPath(file);
if (fContext.isCXXLanguage() && !hasExtension(path)) {
// A C++ header without an extension is still a very good candidate for inclusion.
return IndexLocationFactory.getAbsolutePath(file.getLocation());
}
// Process the next level of the include hierarchy.
IIndexInclude[] includes = fContext.getIndex().findIncludedBy(file, 0);
for (IIndexInclude include : includes) {
IIndexFile includer = include.getIncludedBy();
if (!processed.contains(includer)) {
URI uri = includer.getLocation().getURI();
if (IncludeUtil.isSource(includer, fContext.getProject()) || isWorkspaceFile(uri)) {
return IndexLocationFactory.getAbsolutePath(file.getLocation());
}
front.add(includer);
processed.add(includer);
}
}
}
} catch (CoreException e) {
CUIPlugin.log(e);
}
return request.getCandidatePaths().iterator().next();
}