public PackageStream(string packageFile, string path)
{
#if !MOBILE
log.InfoFormat("open package file {0} from {1}", path, packageFile);
#endif
var zipFile = PackageStream.GetZipFile(PackageStream.NormalizePath(packageFile));
if (zipFile == null)
{
throw PackageStream.FileNotFoundException(path, packageFile);
}
var entryIndex = zipFile.FindEntry(path, true);
if (entryIndex == -1)
{
throw PackageStream.FileNotFoundException(path, packageFile);
}
try
{
_zipStream = zipFile.GetInputStream(entryIndex);
}
catch (Exception ex)
{
throw new IOException(string.Format("failed to open {0} in {1}", path, packageFile), ex);
}
}
public static string[] GetFileEntries(string packageFile)
{
if (!File.Exists(packageFile))
{
return(null);
}
var zipFile = PackageStream.GetZipFile(packageFile);
return(zipFile.Cast <ZipEntry>().Select(e => e.Name).ToArray());
}
public static bool IsFileExisted(string packageFile, string path)
{
if (!File.Exists(packageFile))
{
return(false);
}
var zipFile = PackageStream.GetZipFile(packageFile);
return(zipFile.FindEntry(path, true) != -1);
}
public static long?GetCrc(string packageFile, string path)
{
#if !MOBILE
log.InfoFormat("open package file {0} from {1}", path, packageFile);
#endif
var zipFile = PackageStream.GetZipFile(PackageStream.NormalizePath(packageFile));
try
{
var entryIndex = zipFile.FindEntry(path, true);
var entry = zipFile[entryIndex];
return(entry.HasCrc ? entry.Crc : (long?)null);
}
catch (Exception)
{
throw PackageStream.FileNotFoundException(path, packageFile);
}
}