public static void FetchAllFromFile(string fileName, string password, EBlubbZipHelperLoadType loadType, out Dictionary<int, Stream> streamList, out Dictionary<int, string> fileList, out Dictionary<int, BlubbZipEntry> entryList) {
fileList = new Dictionary<int, string>();
streamList = new Dictionary<int, Stream>();
entryList = new Dictionary<int, BlubbZipEntry>();
if (File.Exists(fileName) == false)
throw new Exception("File not Found!\n" + fileName);
using (FileStream fs = File.OpenRead(fileName)) {
BlubbZipFile blubb = new BlubbZipFile(fs);
blubb.Password = password;
for (int cz = 0; cz < blubb.Count; cz++) {
if (blubb[cz].IsFile == false)
continue;
if ((loadType & EBlubbZipHelperLoadType.Streams) > 0)
streamList.Add(cz, blubb.GetInputStream(cz));
if ((loadType & EBlubbZipHelperLoadType.FileList) > 0)
fileList.Add(cz, blubb[cz].Name.ToString(CultureInfo.InvariantCulture).Replace("/", @"\"));
if ((loadType & EBlubbZipHelperLoadType.Entrys) > 0)
entryList.Add(cz, blubb[cz].Clone() as BlubbZipEntry);
}
blubb.Close();
}
}
public static void FetchAllFromFile(string blubbzipFilePath, string blubbzipPassword, EFastBlubbZipLoadType loadType, out Dictionary<int, Stream> StreamList, out Dictionary<int, string> FileList, out Dictionary<int, BlubbZipEntry> EntryList) {
FileList = new Dictionary<int, string>();
StreamList = new Dictionary<int, Stream>();
EntryList = new Dictionary<int, BlubbZipEntry>();
if (File.Exists(blubbzipFilePath) == false)
throw new Exception("File not Found!\n" + blubbzipFilePath);
using (FileStream fs = File.OpenRead(blubbzipFilePath)) {
BlubbZipFile blubb = new BlubbZipFile(fs);
blubb.Password = blubbzipPassword;
for (int cz = 0; cz < blubb.Count; cz++) {
if (blubb[cz].IsFile == false)
continue;
if ((loadType & EFastBlubbZipLoadType.Streams) > 0)
StreamList.Add(cz, blubb.GetInputStream(cz));
if ((loadType & EFastBlubbZipLoadType.FileList) > 0)
FileList.Add(cz, blubb[cz].Name.ToString().Replace("/", @"\"));
if ((loadType & EFastBlubbZipLoadType.Entrys) > 0)
EntryList.Add(cz, blubb[cz].Clone() as BlubbZipEntry);
}
blubb.Close();
}
}
public static MemoryStream FetchFromFile(string blubbzipFilePath, string blubbzipPassword, int entryIndex) {
using (FileStream fs = File.OpenRead(blubbzipFilePath)) {
BlubbZipFile blubb = new BlubbZipFile(fs);
blubb.Password = blubbzipPassword;
Stream s = blubb.GetInputStream(entryIndex);
MemoryStream Writer = new MemoryStream();
byte[] data = new byte[4096];
int size = s.Read(data, 0, data.Length);
while (size > 0) {
Writer.Write(data, 0, size);
size = s.Read(data, 0, data.Length);
}
blubb.Close();
return Writer;
}
}
public static Stream GetFileStream(string fromZip, string password, int index) {
using (FileStream fs = File.OpenRead(fromZip)) {
BlubbZipFile blubb = new BlubbZipFile(fs);
blubb.Password = password;
Stream s = blubb.GetInputStream(index);
Stream writer = new MemoryStream();
byte[] data = new byte[4096];
int size = s.Read(data, 0, data.Length);
while (size > 0) {
writer.Write(data, 0, size);
size = s.Read(data, 0, data.Length);
}
blubb.Close();
return writer;
}
}
public static MemoryStream[] FetchListFromFile(string fromZip, string Password, int[] list) {
using (FileStream fs = File.OpenRead(fromZip)) {
BlubbZipFile blubb = new BlubbZipFile(fs);
blubb.Password = Password;
MemoryStream[] Streams = new MemoryStream[list.Length];
int counter = 0;
foreach (int index in list) {
Stream s = blubb.GetInputStream(index);
MemoryStream Writer = new MemoryStream();
byte[] data = new byte[4096];
int size = s.Read(data, 0, data.Length);
while (size > 0) {
Writer.Write(data, 0, size);
size = s.Read(data, 0, data.Length);
}
Streams[counter++] = Writer;
}
blubb.Close();
return Streams;
}
}
/// <summary>
/// Create a new <see cref="BlubbFile"/> whose data will be stored on a stream.
/// </summary>
/// <param name="outStream">The stream providing data storage.</param>
/// <returns>Returns the newly created <see cref="BlubbFile"/></returns>
/// <exception cref="ArgumentNullException"><paramref name="outStream"> is null</paramref></exception>
/// <exception cref="ArgumentException"><paramref name="outStream"> doesnt support writing.</paramref></exception>
public static BlubbZipFile Create( Stream outStream ) {
if( outStream == null ) {
throw new ArgumentNullException( "outStream" );
}
if( !outStream.CanWrite ) {
throw new ArgumentException( "Stream is not writeable", "outStream" );
}
if( !outStream.CanSeek ) {
throw new ArgumentException( "Stream is not seekable", "outStream" );
}
BlubbZipFile result = new BlubbZipFile();
result.baseStream_ = outStream;
return result;
}
// Creators
/// <summary>
/// Create a new <see cref="BlubbFile"/> whose data will be stored in a file.
/// </summary>
/// <param name="fileName">The name of the archive to create.</param>
/// <returns>Returns the newly created <see cref="BlubbFile"/></returns>
/// <exception cref="ArgumentNullException"><paramref name="fileName"></paramref> is null</exception>
public static BlubbZipFile Create( string fileName ) {
if( fileName == null ) {
throw new ArgumentNullException( "fileName" );
}
FileStream fs = File.Create( fileName );
BlubbZipFile result = new BlubbZipFile();
result.name_ = fileName;
result.baseStream_ = fs;
result.isStreamOwner = true;
return result;
}
/// <summary>
/// Initializes a new instance of the <see cref="DiskArchiveStorage"/> class.
/// </summary>
/// <param name="file">The file.</param>
public DiskArchiveStorage( BlubbZipFile file )
: this( file, FileUpdateMode.Safe ) {
}
// Constructors
/// <summary>
/// Initializes a new instance of the <see cref="DiskArchiveStorage"/> class.
/// </summary>
/// <param name="file">The file.</param>
/// <param name="updateMode">The update mode.</param>
public DiskArchiveStorage( BlubbZipFile file, FileUpdateMode updateMode )
: base( updateMode ) {
if( file.Name == null ) {
throw new BlubbZipException( "Cant handle non file archives" );
}
fileName_ = file.Name;
}
// Constructors
/// <summary>
/// Initialise a new instance of the <see cref="PartialInputStream"/> class.
/// </summary>
/// <param name="blubbFile">The <see cref="BlubbFile"/> containing the underlying stream to use for IO.</param>
/// <param name="start">The start of the partial data.</param>
/// <param name="length">The length of the partial data.</param>
public PartialInputStream( BlubbZipFile blubbFile, long start, long length ) {
start_ = start;
length_ = length;
// Although this is the only time the blubbfile is used
// keeping a reference here prevents premature closure of
// this blubb file and thus the baseStream_.
// Code like this will cause apparently random failures depending
// on the size of the files and when garbage is collected.
//
// BlubbFile z = new BlubbFile (stream);
// Stream reader = z.GetInputStream(0);
// uses reader here....
blubbFile_ = blubbFile;
baseStream_ = blubbFile_.baseStream_;
readPos_ = start;
end_ = start + length;
}
void CopyEntry( BlubbZipFile workFile, BlubbUpdate update ) {
workFile.WriteLocalEntryHeader( update );
if( update.Entry.CompressedSize > 0 ) {
const int NameLengthOffset = 26;
long entryDataOffset = update.Entry.Offset + NameLengthOffset;
// TODO: This wont work for SFX files!
baseStream_.Seek( entryDataOffset, SeekOrigin.Begin );
uint nameLength = ReadLEUshort();
uint extraLength = ReadLEUshort();
baseStream_.Seek( nameLength + extraLength, SeekOrigin.Current );
CopyBytes( update, workFile.baseStream_, baseStream_, update.Entry.CompressedSize, false );
}
CopyDescriptorBytes( update, workFile.baseStream_, baseStream_ );
}
void CopyEntryDirect( BlubbZipFile workFile, BlubbUpdate update, ref long destinationPosition ) {
bool skipOver = false;
if( update.Entry.Offset == destinationPosition ) {
skipOver = true;
}
if( !skipOver ) {
baseStream_.Position = destinationPosition;
workFile.WriteLocalEntryHeader( update );
destinationPosition = baseStream_.Position;
}
long sourcePosition = 0;
const int NameLengthOffset = 26;
// TODO: Add base for SFX friendly handling
long entryDataOffset = update.Entry.Offset + NameLengthOffset;
baseStream_.Seek( entryDataOffset, SeekOrigin.Begin );
// Clumsy way of handling retrieving the original name and extra data length for now.
// TODO: Stop re-reading name and data length in CopyEntryDirect.
uint nameLength = ReadLEUshort();
uint extraLength = ReadLEUshort();
sourcePosition = baseStream_.Position + nameLength + extraLength;
if( skipOver ) {
destinationPosition +=
( sourcePosition - entryDataOffset ) + NameLengthOffset + // Header size
update.Entry.CompressedSize + GetDescriptorSize( update );
} else {
if( update.Entry.CompressedSize > 0 ) {
CopyEntryDataDirect( update, baseStream_, false, ref destinationPosition, ref sourcePosition );
}
CopyDescriptorBytesDirect( update, baseStream_, ref destinationPosition, sourcePosition );
}
}
void ModifyEntry( BlubbZipFile workFile, BlubbUpdate update ) {
workFile.WriteLocalEntryHeader( update );
long dataStart = workFile.baseStream_.Position;
// TODO: This is slow if the changes don't effect the data!!
if( update.Entry.IsFile && ( update.Filename != null ) ) {
using( Stream output = workFile.GetOutputStream( update.OutEntry ) ) {
using( Stream source = this.GetInputStream( update.Entry ) ) {
CopyBytes( update, output, source, source.Length, true );
}
}
}
long dataEnd = workFile.baseStream_.Position;
update.Entry.CompressedSize = dataEnd - dataStart;
}
void AddEntry( BlubbZipFile workFile, BlubbUpdate update ) {
Stream source = null;
if( update.Entry.IsFile ) {
source = update.GetSource();
if( source == null ) {
source = updateDataSource_.GetSource( update.Entry, update.Filename );
}
}
if( source != null ) {
using( source ) {
long sourceStreamLength = source.Length;
if( update.OutEntry.Size < 0 ) {
update.OutEntry.Size = sourceStreamLength;
} else {
// Check for errant entries.
if( update.OutEntry.Size != sourceStreamLength ) {
throw new BlubbZipException( "Entry size/stream size mismatch" );
}
}
workFile.WriteLocalEntryHeader( update );
long dataStart = workFile.baseStream_.Position;
using( Stream output = workFile.GetOutputStream( update.OutEntry ) ) {
CopyBytes( update, output, source, sourceStreamLength, true );
}
long dataEnd = workFile.baseStream_.Position;
update.OutEntry.CompressedSize = dataEnd - dataStart;
if( ( update.OutEntry.Flags & (int)GeneralBitFlags.Descriptor ) == (int)GeneralBitFlags.Descriptor ) {
BlubbZipHelperStream helper = new BlubbZipHelperStream( workFile.baseStream_ );
helper.WriteDataDescriptor( update.OutEntry );
}
}
} else {
workFile.WriteLocalEntryHeader( update );
update.OutEntry.CompressedSize = 0;
}
}
// Constructors
/// <summary>
/// Initialise a new instance of <see cref="TestStatus"/>
/// </summary>
/// <param name="file">The <see cref="BlubbFile"/> this status applies to.</param>
public TestStatus( BlubbZipFile file ) {
file_ = file;
}