public static void parse(
XMLInputFactory xmlInputFactory,
Path source,
FullyQualifiedName fileKey,
FullyQualifiedName.Factory fqnFactory,
KeyValueConsumer<DataKey, DataResource> overwritingConsumer,
KeyValueConsumer<DataKey, DataResource> combiningConsumer)
throws IOException, XMLStreamException {
ImmutableSet.Builder<String> newIds = ImmutableSet.builder();
try (BufferedInputStream inStream = new BufferedInputStream(Files.newInputStream(source))) {
XMLEventReader eventReader =
xmlInputFactory.createXMLEventReader(inStream, StandardCharsets.UTF_8.toString());
// Go through every start tag and look at the values of all attributes (the attribute does
// not need to be android:id, e.g., android:layout_above="@+id/UpcomingView").
// If the any attribute's value begins with @+id/, then track it, since aapt seems to be
// forgiving and allow even non-android namespaced attributes to define a new ID.
while (eventReader.hasNext()) {
XMLEvent event = eventReader.nextEvent();
if (event.isStartElement()) {
StartElement start = event.asStartElement();
Iterator<Attribute> attributes = XmlResourceValues.iterateAttributesFrom(start);
while (attributes.hasNext()) {
Attribute attribute = attributes.next();
String value = attribute.getValue();
if (value.startsWith(SdkConstants.NEW_ID_PREFIX)) {
String idName = value.substring(SdkConstants.NEW_ID_PREFIX.length());
newIds.add(idName);
}
}
}
}
eventReader.close();
}
ImmutableSet<String> idResources = newIds.build();
overwritingConsumer.consume(fileKey, DataValueFile.of(source));
for (String id : idResources) {
combiningConsumer.consume(
fqnFactory.create(ResourceType.ID, id),
DataResourceXml.createWithNoNamespace(source, IdXmlResourceValue.of()));
}
}
static void parseDeclareStyleable(
FullyQualifiedName.Factory fqnFactory,
Path path,
KeyValueConsumer<DataKey, DataResource> overwritingConsumer,
KeyValueConsumer<DataKey, DataResource> nonOverwritingConsumer,
XMLEventReader eventReader,
StartElement start)
throws XMLStreamException {
List<String> members = new ArrayList<>();
for (XMLEvent element = eventReader.nextTag();
!isEndTag(element, TAG_DECLARE_STYLEABLE);
element = eventReader.nextTag()) {
if (isStartTag(element, TAG_ATTR)) {
StartElement attr = element.asStartElement();
members.add(getElementName(attr));
overwritingConsumer.consume(
fqnFactory.create(ResourceType.ATTR, getElementName(attr)),
DataResourceXml.of(path, parseAttr(eventReader, start)));
}
}
nonOverwritingConsumer.consume(
fqnFactory.create(ResourceType.STYLEABLE, getElementName(start)),
DataResourceXml.of(path, StyleableXmlResourceValue.of(members)));
}