public static void Deserialize(Stream stream, PiaFile piaFile)
{
if (stream == null)
throw new ArgumentNullException("Stream");
if (piaFile == null)
throw new ArgumentNullException("PiaFile");
try
{
// Header
var headerBytes = new Byte[48]; // Ignore 12 byte checksum
stream.Read(headerBytes, 0, headerBytes.Length);
var headerString = Encoding.Default.GetString(headerBytes);
piaFile.Header = new PiaHeader(headerString);
// Inflation
string inflatedString;
stream.Seek(60, SeekOrigin.Begin);
using (var zStream = new InflaterInputStream(stream))
{
var sr = new StreamReader(zStream, Encoding.Default);
inflatedString = sr.ReadToEnd();
}
// Nodes
piaFile.Owner = piaFile;
_deserializeNode(piaFile, inflatedString);
}
catch (Exception)
{
throw;
}
}
public static void Serialize(Stream stream, PiaFile piaFile)
{
if (stream == null)
{
throw new ArgumentNullException("Stream");
}
if (piaFile == null)
{
throw new ArgumentNullException("PiaFile");
}
try
{
// Header
var headerString = piaFile.Header.ToString();
var headerBytes = Encoding.Default.GetBytes(headerString);
stream.Write(headerBytes, 0, headerBytes.Length);
// Nodes
var nodeString = _serializeNode(piaFile);
var nodeBytes = Encoding.Default.GetBytes(nodeString);
// Deflation
byte[] deflatedBytes;
var deflater = new Deflater(Deflater.DEFAULT_COMPRESSION);
using (var ms = new MemoryStream())
{
var deflateStream = new DeflaterOutputStream(ms, deflater);
deflateStream.Write(nodeBytes, 0, nodeBytes.Length);
deflateStream.Finish();
deflatedBytes = ms.ToArray();
}
// Checksum
var checkSum = new byte[12];
BitConverter.GetBytes(deflater.Adler).CopyTo(checkSum, 0); // Adler
BitConverter.GetBytes(nodeBytes.Length).CopyTo(checkSum, 4); // InflatedSize
BitConverter.GetBytes(deflatedBytes.Length).CopyTo(checkSum, 8); // DeflatedSize
stream.Write(checkSum, 0, checkSum.Length);
// Final write
stream.Write(deflatedBytes, 0, deflatedBytes.Length);
}
catch (Exception)
{
throw;
}
}
public static void Serialize(Stream stream, PiaFile piaFile)
{
if (stream == null)
throw new ArgumentNullException("Stream");
if (piaFile == null)
throw new ArgumentNullException("PiaFile");
try
{
// Header
var headerString = piaFile.Header.ToString();
var headerBytes = Encoding.Default.GetBytes(headerString);
stream.Write(headerBytes, 0, headerBytes.Length);
// Nodes
var nodeString = _serializeNode(piaFile);
var nodeBytes = Encoding.Default.GetBytes(nodeString);
// Deflation
byte[] deflatedBytes;
var deflater = new Deflater(Deflater.DEFAULT_COMPRESSION);
using (var ms = new MemoryStream())
{
var deflateStream = new DeflaterOutputStream(ms, deflater);
deflateStream.Write(nodeBytes, 0, nodeBytes.Length);
deflateStream.Finish();
deflatedBytes = ms.ToArray();
}
// Checksum
var checkSum = new byte[12];
BitConverter.GetBytes(deflater.Adler).CopyTo(checkSum, 0); // Adler
BitConverter.GetBytes(nodeBytes.Length).CopyTo(checkSum, 4); // InflatedSize
BitConverter.GetBytes(deflatedBytes.Length).CopyTo(checkSum, 8); // DeflatedSize
stream.Write(checkSum, 0, checkSum.Length);
// Final write
stream.Write(deflatedBytes, 0, deflatedBytes.Length);
}
catch (Exception)
{
throw;
}
}
public static void Deserialize(Stream stream, PiaFile piaFile)
{
if (stream == null)
{
throw new ArgumentNullException("Stream");
}
if (piaFile == null)
{
throw new ArgumentNullException("PiaFile");
}
try
{
// Header
var headerBytes = new Byte[48]; // Ignore 12 byte checksum
stream.Read(headerBytes, 0, headerBytes.Length);
var headerString = Encoding.Default.GetString(headerBytes);
piaFile.Header = new PiaHeader(headerString);
// Inflation
string inflatedString;
stream.Seek(60, SeekOrigin.Begin);
using (var zStream = new InflaterInputStream(stream))
{
var sr = new StreamReader(zStream, Encoding.Default);
inflatedString = sr.ReadToEnd();
}
// Nodes
piaFile.Owner = piaFile;
_deserializeNode(piaFile, inflatedString);
}
catch (Exception)
{
throw;
}
}
