ZLZipEntryCache::ZLZipEntryCache(const std::string &containerName, ZLInputStream &containerStream) : myContainerName(containerName) {
//ZLLogger::Instance().println("ZipEntryCache", "creating cache for " + containerName);
myLastModifiedTime = ZLFile(containerName).lastModified();
if (!containerStream.open()) {
return;
}
ZLZipHeader header;
while (header.readFrom(containerStream)) {
Info *infoPtr = 0;
if (header.Signature == (unsigned long)ZLZipHeader::SignatureLocalFile) {
std::string entryName(header.NameLength, '\0');
if ((unsigned int)containerStream.read((char*)entryName.data(), header.NameLength) == header.NameLength) {
entryName = AndroidUtil::convertNonUtfString(entryName);
Info &info = myInfoMap[entryName];
info.Offset = containerStream.offset() + header.ExtraLength;
info.CompressionMethod = header.CompressionMethod;
info.CompressedSize = header.CompressedSize;
info.UncompressedSize = header.UncompressedSize;
infoPtr = &info;
}
}
ZLZipHeader::skipEntry(containerStream, header);
if (infoPtr != 0) {
infoPtr->UncompressedSize = header.UncompressedSize;
}
}
containerStream.close();
}
ZLZipEntryCache::ZLZipEntryCache(ZLInputStream &baseStream) {
if (!baseStream.open()) {
return;
}
ZLZipHeader header;
while (header.readFrom(baseStream)) {
Info *infoPtr = 0;
if (header.Signature == ZLZipHeader::SignatureLocalFile) {
std::string entryName(header.NameLength, '\0');
if ((unsigned int)baseStream.read((char*)entryName.data(), header.NameLength) == header.NameLength) {
Info &info = myInfoMap[entryName];
info.Offset = baseStream.offset() + header.ExtraLength;
info.CompressionMethod = header.CompressionMethod;
info.CompressedSize = header.CompressedSize;
info.UncompressedSize = header.UncompressedSize;
infoPtr = &info;
}
}
ZLZipHeader::skipEntry(baseStream, header);
if (infoPtr != 0) {
infoPtr->UncompressedSize = header.UncompressedSize;
}
}
baseStream.close();
}
void ZLZipDir::collectFiles(std::vector<std::string> &names, bool) {
shared_ptr<ZLInputStream> stream = ZLFile(path()).inputStream();
if (!stream.isNull() && stream->open()) {
ZLZipHeader header;
while (header.readFrom(*stream)) {
char *buffer = new char[header.NameLength];
if ((unsigned int)stream->read(buffer, header.NameLength) == header.NameLength) {
std::string entryName;
entryName.append(buffer, header.NameLength);
names.push_back(entryName);
}
delete[] buffer;
ZLZipHeader::skipEntry(*stream, header);
}
stream->close();
}
}
