@Override
public void visitElement(@NonNull XmlContext context, @NonNull Element element) {
// Record include graph such that we can look for inter-layout duplicates after the
// project has been fully checked
String layout = element.getAttribute(ATTR_LAYOUT); // NOTE: Not in android: namespace
if (layout.startsWith(LAYOUT_RESOURCE_PREFIX)) { // Ignore @android:layout/ layouts
layout = layout.substring(LAYOUT_RESOURCE_PREFIX.length());
if (context.getPhase() == 1) {
if (!context.getProject().getReportIssues()) {
// If this is a library project not being analyzed, ignore it
return;
}
List<String> to = mIncludes.get(context.file);
if (to == null) {
to = new ArrayList<String>();
mIncludes.put(context.file, to);
}
to.add(layout);
} else {
assert context.getPhase() == 2;
Collection<Multimap<String, Occurrence>> maps = mLocations.get(context.file);
if (maps != null && !maps.isEmpty()) {
for (Multimap<String, Occurrence> map : maps) {
if (!maps.isEmpty()) {
Collection<Occurrence> occurrences = map.get(layout);
if (occurrences != null && !occurrences.isEmpty()) {
for (Occurrence occurrence : occurrences) {
Location location = context.getLocation(element);
location.setClientData(element);
location.setMessage(occurrence.message);
location.setSecondary(occurrence.location);
occurrence.location = location;
}
}
}
}
}
}
}
}
@Override
public void visitAttribute(@NonNull XmlContext context, @NonNull Attr attribute) {
assert attribute.getName().equals(ATTR_ID) || attribute.getLocalName().equals(ATTR_ID);
String id = attribute.getValue();
if (context.getPhase() == 1) {
if (mIds.contains(id)) {
Location location = context.getLocation(attribute);
Attr first = findIdAttribute(attribute.getOwnerDocument(), id);
if (first != null && first != attribute) {
Location secondLocation = context.getLocation(first);
secondLocation.setMessage(String.format("%1$s originally defined here", id));
location.setSecondary(secondLocation);
}
context.report(
WITHIN_LAYOUT,
attribute,
location,
String.format("Duplicate id %1$s, already defined earlier in this layout", id),
null);
} else if (id.startsWith(NEW_ID_PREFIX)) {
// Skip id's on include tags
if (attribute.getOwnerElement().getTagName().equals(VIEW_INCLUDE)) {
return;
}
mIds.add(id);
}
} else {
Collection<Multimap<String, Occurrence>> maps = mLocations.get(context.file);
if (maps != null && !maps.isEmpty()) {
for (Multimap<String, Occurrence> map : maps) {
if (!maps.isEmpty()) {
Collection<Occurrence> occurrences = map.get(id);
if (occurrences != null && !occurrences.isEmpty()) {
for (Occurrence occurrence : occurrences) {
if (context.getDriver().isSuppressed(CROSS_LAYOUT, attribute)) {
return;
}
Location location = context.getLocation(attribute);
location.setClientData(attribute);
location.setMessage(occurrence.message);
location.setSecondary(occurrence.location);
occurrence.location = location;
}
}
}
}
}
}
}
