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 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;
}