public static ARSCFile read(IntReader reader) throws IOException {
ARSCFile arsc = new ARSCFile();
ReadUtil.readCheckType(reader, ARSC_CHUNK_TYPE);
/* size */ reader.readInt();
int groupCount = reader.readInt();
if (groupCount != 1) {
throw new IOException("Only one package per file is supported.");
}
arsc.strings = StringBlock.read(reader);
arsc.pkges = new Pkge[1];
arsc.pkges[0] = readPackage(arsc, reader);
return arsc;
}
private final void doNext() throws IOException {
// Delayed initialization.
if (m_strings == null) {
ChunkUtil.readCheckType(m_reader, CHUNK_AXML_FILE);
/* chunkSize */ m_reader.skipInt();
m_strings = StringBlock.read(m_reader);
m_namespaces.increaseDepth();
m_operational = true;
}
if (m_event == END_DOCUMENT) {
return;
}
int event = m_event;
resetEventInfo();
while (true) {
if (m_decreaseDepth) {
m_decreaseDepth = false;
m_namespaces.decreaseDepth();
}
// Fake END_DOCUMENT event.
if (event == END_TAG && m_namespaces.getDepth() == 1 && m_namespaces.getCurrentCount() == 0) {
m_event = END_DOCUMENT;
break;
}
int chunkType;
if (event == START_DOCUMENT) {
// Fake event, see CHUNK_XML_START_TAG handler.
chunkType = CHUNK_XML_START_TAG;
} else {
chunkType = m_reader.readInt();
}
if (chunkType == CHUNK_RESOURCEIDS) {
int chunkSize = m_reader.readInt();
if (chunkSize < 8 || (chunkSize % 4) != 0) {
throw new IOException("Invalid resource ids size (" + chunkSize + ").");
}
m_resourceIDs = m_reader.readIntArray(chunkSize / 4 - 2);
continue;
}
if (chunkType < CHUNK_XML_FIRST || chunkType > CHUNK_XML_LAST) {
throw new IOException("Invalid chunk type (" + chunkType + ").");
}
// Fake START_DOCUMENT event.
if (chunkType == CHUNK_XML_START_TAG && event == -1) {
m_event = START_DOCUMENT;
break;
}
// Common header.
/* chunkSize */ m_reader.skipInt();
int lineNumber = m_reader.readInt();
/* 0xFFFFFFFF */ m_reader.skipInt();
if (chunkType == CHUNK_XML_START_NAMESPACE || chunkType == CHUNK_XML_END_NAMESPACE) {
if (chunkType == CHUNK_XML_START_NAMESPACE) {
int prefix = m_reader.readInt();
int uri = m_reader.readInt();
m_namespaces.push(prefix, uri);
} else {
/* prefix */ m_reader.skipInt();
/* uri */ m_reader.skipInt();
m_namespaces.pop();
}
continue;
}
m_lineNumber = lineNumber;
if (chunkType == CHUNK_XML_START_TAG) {
m_namespaceUri = m_reader.readInt();
m_name = m_reader.readInt();
/* flags? */ m_reader.skipInt();
int attributeCount = m_reader.readInt();
m_idAttribute = (attributeCount >>> 16) - 1;
attributeCount &= 0xFFFF;
m_classAttribute = m_reader.readInt();
m_styleAttribute = (m_classAttribute >>> 16) - 1;
m_classAttribute = (m_classAttribute & 0xFFFF) - 1;
m_attributes = m_reader.readIntArray(attributeCount * ATTRIBUTE_LENGHT);
for (int i = ATTRIBUTE_IX_VALUE_TYPE; i < m_attributes.length; ) {
m_attributes[i] = (m_attributes[i] >>> 24);
i += ATTRIBUTE_LENGHT;
}
m_namespaces.increaseDepth();
m_event = START_TAG;
break;
}
if (chunkType == CHUNK_XML_END_TAG) {
m_namespaceUri = m_reader.readInt();
m_name = m_reader.readInt();
m_event = END_TAG;
m_decreaseDepth = true;
break;
}
if (chunkType == CHUNK_XML_TEXT) {
m_name = m_reader.readInt();
/* ? */ m_reader.skipInt();
/* ? */ m_reader.skipInt();
m_event = TEXT;
break;
}
}
}
private static Pkge readPackage(ARSCFile file, IntReader reader) throws IOException {
Pkge pkge = new Pkge();
pkge.file = file;
ReadUtil.readCheckType(reader, PACKAGE_CHUNK_TYPE);
/* size */ reader.skipInt();
pkge.id = reader.readInt();
{
final int nameLength = 128;
StringBuilder name = new StringBuilder(16);
int i = 0;
for (; i != nameLength; ) {
++i;
int ch = reader.readShort();
if (ch == 0) {
break;
}
name.append((char) ch);
}
reader.skip((nameLength - i) * 2);
reader.skip((nameLength * 2) % 4);
pkge.name = name.toString();
}
/* signature? */ reader.skipInt();
int assetCount = reader.readInt();
/* idNamesOffset */ reader.skipInt();
/* idNamesCount */ reader.skipInt();
pkge.assetNames = StringBlock.read(reader);
pkge.resourceNames = StringBlock.read(reader);
pkge.assets = new Asset[assetCount];
ArrayList contents = new ArrayList();
int assetsRead = 0;
Asset currentAsset = null;
while (reader.available() != 0) {
int chunkType = reader.readInt();
if (chunkType != CONTENT_CHUNK_TYPE) {
if (currentAsset != null) {
currentAsset.contents = new Content[contents.size()];
contents.toArray(currentAsset.contents);
contents.clear();
}
}
if (chunkType == ASSET_CHUNK_TYPE) {
currentAsset = readAsset(reader, pkge);
pkge.assets[assetsRead] = currentAsset;
assetsRead += 1;
} else if (chunkType == CONTENT_CHUNK_TYPE) {
if (currentAsset == null) {
throw new IOException("Invalid chunk sequence: content read before asset.");
}
contents.add(readContent(reader, currentAsset));
} else {
throw new IOException("Unexpected chunk type (" + chunkType + ").");
}
}
if (currentAsset != null) {
currentAsset.contents = new Content[contents.size()];
contents.toArray(currentAsset.contents);
contents.clear();
}
if (assetsRead != assetCount) {
throw new IOException("Not all assets where read (" + (assetCount - assetsRead) + " left).");
}
return pkge;
}
