public int RemoveFileIndex(int index)
{
if (index > SubFileList.Count - 1)
{
return(-1);
}
CurrentID = index;
SubFileList.RemoveAt(index);
for (int i = index; i < SubFileList.Count; i++)
{
SubFileList[i].ID = i;
}
return(0);
}
public int RemoveFileID(int ID)
{
int index = -1;
for (int i = 0; i < SubFileList.Count; i++)
{
if (SubFileList[i].ID == ID)
{
index = i;
SubFileList.RemoveAt(i);
break;
}
}
for (int i = index; i < SubFileList.Count; i++)
{
SubFileList[i].ID = i;
}
return(0);
}
public int AddFile(string fileName)
{
try
{
int fileSize = (int)(new FileInfo(fileName)).Length;
FileStream newFileStream = new FileStream(fileName, FileMode.Open);
List <byte> newFileByteList = new List <byte>();
for (int i = 0; i < fileSize; i++)
{
newFileByteList.Add((byte)newFileStream.ReadByte());
}
newFileStream.Close();
newFileStream = new FileStream(fileName, FileMode.Open);
byte[] file = new byte[fileSize];
newFileStream.Read(file, 0, fileSize);
newFileStream.Close();
string fileNameWithoutDirectory = Path.GetFileName(fileName);
VirtualSubFile subFile = new VirtualSubFile(CurrentID, fileNameWithoutDirectory);
subFile.Data = newFileByteList.ToArray();
SubFileList.Add(subFile);
CurrentID++;
return(subFile.ID);
}
catch (FileNotFoundException)
{
return(-1);
}
catch (FileLoadException)
{
return(-2);
}
catch (UnauthorizedAccessException)
{
return(-5);
}
}
public int Build(string fileName)
{
try
{
List <byte> virtualFileDataList = new List <byte>();
byte nFiles = (byte)SubFileList.Count();
int totalIndexFileSize = BYTESPERFILEINDEX * nFiles;
int totalManifestSize = totalIndexFileSize + 1;
byte[] bytes = new byte[totalManifestSize];
bytes[0] = nFiles;
long currentStartPosition = totalManifestSize;
for (int i = 0; i < SubFileList.Count; i++)
{
long fileSize = SubFileList[i].Size;
currentStartPosition += fileSize;
int offset = 1;
//bytes[BYTESPERFILEINDEX * i + 0 + offset] = (byte)(currentStartPosition >> 56);
//bytes[BYTESPERFILEINDEX * i + 1 + offset] = (byte)(currentStartPosition >> 48);
//bytes[BYTESPERFILEINDEX * i + 2 + offset] = (byte)(currentStartPosition >> 40);
//bytes[BYTESPERFILEINDEX * i + 3 + offset] = (byte)(currentStartPosition >> 32);
//bytes[BYTESPERFILEINDEX * i + 4 + offset] = (byte)(currentStartPosition >> 24);
//bytes[BYTESPERFILEINDEX * i + 5 + offset] = (byte)(currentStartPosition >> 16);
//bytes[BYTESPERFILEINDEX * i + 6 + offset] = (byte)(currentStartPosition >> 8);
//bytes[BYTESPERFILEINDEX * i + 7 + offset] = (byte)(currentStartPosition);
//for (int a = 0; a < FILEINDEXBYTES; a++) bytes[BYTESPERFILEINDEX * i + a + offset] = (byte)(currentStartPosition >> ((FILEINDEXBYTES - 1) * 8) - (8 * a));
//bytes[BYTESPERFILEINDEX * i + 8 + offset] = (byte)(fileSize >> 56);
//bytes[BYTESPERFILEINDEX * i + 9 + offset] = (byte)(fileSize >> 48);
//bytes[BYTESPERFILEINDEX * i + 10 + offset] = (byte)(fileSize >> 40);
//bytes[BYTESPERFILEINDEX * i + 11 + offset] = (byte)(fileSize >> 32);
//bytes[BYTESPERFILEINDEX * i + 12 + offset] = (byte)(fileSize >> 24);
//bytes[BYTESPERFILEINDEX * i + 13 + offset] = (byte)(fileSize >> 16);
//bytes[BYTESPERFILEINDEX * i + 14 + offset] = (byte)(fileSize >> 8);
//bytes[BYTESPERFILEINDEX * i + 15 + offset] = (byte)(fileSize);
for (int a = 0; a < FILESIZEBYTES; a++)
{
bytes[BYTESPERFILEINDEX * i + a + FILEINDEXBYTES + offset] = (byte)(fileSize >> ((FILESIZEBYTES - 1) * 8) - (8 * a));
}
offset = 17;
for (int a = 0; a < SubFileList[i].Name.Length; a++)
{
bytes[BYTESPERFILEINDEX * i + a + offset] = (byte)(char)SubFileList[i].Name[a];
}
offset += FILENAMEBYTES;
for (int a = 0; a < SubFileList[i].MD5Hash.Length; a++)
{
bytes[BYTESPERFILEINDEX * i + a + offset] = SubFileList[i].MD5Hash[a];
}
}
foreach (byte currentByte in bytes)
{
virtualFileDataList.Add(currentByte);
}
foreach (VirtualSubFile subFile in SubFileList)
{
foreach (byte currentByte in subFile.Data)
{
virtualFileDataList.Add(currentByte);
}
}
byte[] virtualFileData = virtualFileDataList.ToArray();
FileStream fileStream = new FileStream(fileName, FileMode.Create);
foreach (byte currentByte in virtualFileData)
{
fileStream.WriteByte(currentByte);
}
fileStream.Close();
return(0);
}
catch (FileNotFoundException)
{
return(-1);
}
catch (FileLoadException)
{
return(-2);
}
catch (IOException)
{
return(-3);
}
}