private BasicFileInformation ReadBasicInformation(Stream target)
{
BasicFileInformation ret = new BasicFileInformation();
byte[] tmp;
BinaryReader br = new BinaryReader(target);
tmp = br.ReadBytes(4);
string ts1 = System.Text.ASCIIEncoding.ASCII.GetString(tmp);
if (ts1 == "VUPJ")
{
int verlen = br.ReadInt32();
byte[] verarr = br.ReadBytes(verlen);
string ver = System.Text.UTF8Encoding.UTF8.GetString(verarr);
int txtlen = br.ReadInt32();
byte[] txtarr = br.ReadBytes(txtlen);
string txt = System.Text.UTF8Encoding.UTF8.GetString(txtarr);
bool havePwd = br.ReadInt32() == 1?true:false;
ret.SavePassword = havePwd?"There is a lovely fox jumped up the pig":"";
ret.IntroduceText = txt;
ret.VersionString = ver;
}
return(ret);
}
public T DeserializeFromFile(string FileName, BasicFileInformation FileInfo, ObjectSerializer <T> .SerializeType Type, bool isZip)
{
T ret = default(T);
FileStream fs = new FileStream(FileName, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
fs.Seek(BasicInformationSize(FileInfo), SeekOrigin.Begin);
Stream SourceStream;
if (FileInfo.SavePassword.Length > 0)
{
CryptoStream cs = DesCooler.CreateDecryptStream(FileInfo.SavePassword, fs);
if (isZip)
{
SourceStream = new ICSharpCode.SharpZipLib.BZip2.BZip2InputStream(cs);
}
else
{
SourceStream = cs;
}
}
else
{
if (isZip)
{
SourceStream = new ICSharpCode.SharpZipLib.BZip2.BZip2InputStream(fs);
}
else
{
SourceStream = fs;
}
}
try
{
switch (Type)
{
case ObjectSerializer <T> .SerializeType.JSON: ret = Deserialize_JSON(SourceStream); break;
case ObjectSerializer <T> .SerializeType.Binary: ret = Deserialize_Binary(SourceStream); break;
}
}
catch (Exception e) { fs.Close(); throw e; return(ret); }
try
{
SourceStream.Close();
}
catch {; }
fs.Close();
if (ret != null)
{
BasicFileInformation bfi = GetBasicFileInformation(ret);
if (bfi != null)
{
bfi.VersionString = FileInfo.VersionString;
bfi.IntroduceText = FileInfo.IntroduceText;
bfi.ProjectFilePath = (new System.IO.FileInfo(FileName)).FullName;
}
}
return(ret);
}
public BasicFileInformation ReadBasicInformation(string FileName)
{
BasicFileInformation ret = new BasicFileInformation();
using (FileStream fs = new FileStream(FileName, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
{
ret = ReadBasicInformation(fs);
}
return(ret);
}
private int BasicInformationSize(BasicFileInformation FileInfo)
{
if (FileInfo == null)
{
return(0);
}
byte[] itext = System.Text.UTF8Encoding.UTF8.GetBytes(FileInfo.IntroduceText);
byte[] iver = System.Text.UTF8Encoding.UTF8.GetBytes(FileInfo.VersionString);
int ret = 4 + 4 + 4 * 3 + itext.Length + iver.Length;
return(ret);
}
private void SetBasicFileInformation(T Object, BasicFileInformation Data)
{
try
{
if (Data == null)
{
Data = new BasicFileInformation();
}
Type type = typeof(T);
System.Reflection.PropertyInfo pi = type.GetProperty("BasicData");
pi.SetValue(Object, Data, null);
}
catch {; }
}
public void SerializeToFile(T Object, string FileName, SerializeType Type, bool isZip)
{
FileStream msObj = new FileStream(FileName, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
BasicFileInformation bfi = GetBasicFileInformation(Object);
string pwd = bfi.SavePassword;
WriteBasicInformation(Object, msObj);
Stream TargetStream;
if (pwd.Length > 0)
{
CryptoStream cs = DesCooler.CreateEncryptStream(pwd, msObj);
if (isZip)
{
TargetStream = new ICSharpCode.SharpZipLib.BZip2.BZip2OutputStream(cs);
}
else
{
TargetStream = cs;
}
}
else
{
if (isZip)
{
TargetStream = new ICSharpCode.SharpZipLib.BZip2.BZip2OutputStream(msObj);
}
else
{
TargetStream = msObj;
}
}
try
{
switch (Type)
{
case SerializeType.JSON: Serialize_JSON(Object, TargetStream); break;
case SerializeType.Binary: Serialize_Binary(Object, TargetStream); break;
}
}
catch {; }
TargetStream.Flush();
TargetStream.Close();
msObj.Close();
}
public void WriteBasicInformation(T Object, Stream target)
{
BasicFileInformation bfi = GetBasicFileInformation(Object);
byte[] itext = System.Text.UTF8Encoding.UTF8.GetBytes(bfi.IntroduceText);
byte[] iver = System.Text.UTF8Encoding.UTF8.GetBytes(bfi.VersionString);
string pwd = bfi.SavePassword;
BinaryWriter sw = new BinaryWriter(target);
sw.Write(new char[] { 'V', 'U', 'P', 'J' });
sw.Write(iver.Length);
sw.Write(iver);
sw.Write(itext.Length);
sw.Write(itext);
sw.Write(pwd.Length > 0?1:0);
sw.Write(new char[] { 'D', 'A', 'T', 'A' });
sw.Flush();
}
