StreamReader* AssetArchive::open(const String& givenStreamName)
{
String streamName = givenStreamName;
AAsset* assetPeer = openAsset(streamName);
if (assetPeer == NULL)
return Archive::open(streamName);
Ref<Asset> asset = new Asset(this, streamName);
return asset->openWith(assetPeer);
}
StreamSource* AssetArchive::locateLocal(const String& givenStreamName)
{
String streamName = givenStreamName;
// HACK: There's no something like AAssetDir_exist(), so try to open and then close at once
AAsset* assetPeer = openAsset(streamName);
if (assetPeer == NULL)
return NULL;
AAsset_close(assetPeer);
return new Asset(this, streamName);
}
bithorded::UpstreamRequestBinding::Ptr bithorded::AssetSessions::findAsset(const bithorde::BindRead& req)
{
auto tigerId = findBithordeId(req.ids(), bithorde::HashType::TREE_TIGER);
if (tigerId.empty())
return UpstreamRequestBinding::Ptr();
if (auto active = _tigerCache[tigerId])
return active;
UpstreamRequestBinding::Ptr res;
if (auto asset = openAsset(req)) {
res = boost::make_shared<UpstreamRequestBinding>(asset);
add(tigerId, res);
}
return res;
}
bool JniJSModulesUnbundle::isUnbundle(
AAssetManager *assetManager,
const std::string& assetName) {
if (!assetManager) {
return false;
}
auto magicFileName = jsModulesDir(assetName) + MAGIC_FILE_NAME;
auto asset = openAsset(assetManager, magicFileName.c_str());
if (asset == nullptr) {
return false;
}
magic_number_t fileHeader = 0;
AAsset_read(asset.get(), &fileHeader, sizeof(fileHeader));
return fileHeader == htole32(MAGIC_FILE_HEADER);
}
JSModulesUnbundle::Module JniJSModulesUnbundle::getModule(uint32_t moduleId) const {
// can be nullptr for default constructor.
FBASSERTMSGF(m_assetManager != nullptr, "Unbundle has not been initialized with an asset manager");
std::ostringstream sourceUrlBuilder;
sourceUrlBuilder << moduleId << ".js";
auto sourceUrl = sourceUrlBuilder.str();
auto fileName = m_moduleDirectory + sourceUrl;
auto asset = openAsset(m_assetManager, fileName, AASSET_MODE_BUFFER);
const char *buffer = nullptr;
if (asset != nullptr) {
buffer = static_cast<const char *>(AAsset_getBuffer(asset.get()));
}
if (buffer == nullptr) {
throw ModuleNotFound(moduleId);
}
return {sourceUrl, std::string(buffer, AAsset_getLength(asset.get()))};
}