public void Write(string str)
{
byte[] bytes = str.GetASCIIBytes();
this.Write(bytes, 0, bytes.Length);
VariableSizedBufferPool.Release(bytes);
}
public WriteOnlyBufferedStream(Stream stream, int bufferSize)
{
this.stream = stream;
this.buffer = VariableSizedBufferPool.Get(bufferSize, true);
this._position = 0;
}
public static void WriteLine(this Stream fs, string format, params object[] values)
{
var buff = string.Format(format, values).GetASCIIBytes();
fs.Write(buff, 0, buff.Length);
fs.WriteLine();
VariableSizedBufferPool.Release(buff);
}
public static void WriteLine(this Stream fs, string line)
{
var buff = line.GetASCIIBytes();
fs.Write(buff, 0, buff.Length);
fs.WriteLine();
VariableSizedBufferPool.Release(buff);
}
public static string CalculateMD5Hash(this string input)
{
byte[] ascii = input.GetASCIIBytes();
var hash = ascii.CalculateMD5Hash();
VariableSizedBufferPool.Release(ascii);
return(hash);
}
public void Dispose()
{
if (this.Data != null)
{
VariableSizedBufferPool.Release(this.Data);
}
this.Data = null;
}
public static void WriteString(this BufferPoolMemoryStream ms, string str)
{
var byteCount = Encoding.UTF8.GetByteCount(str);
byte[] buffer = VariableSizedBufferPool.Get(byteCount, true);
Encoding.UTF8.GetBytes(str, 0, str.Length, buffer, 0);
ms.Write(buffer, 0, byteCount);
VariableSizedBufferPool.Release(buffer);
}
protected override void Dispose(bool disposing)
{
if (buf != null)
{
VariableSizedBufferPool.Release(buf);
}
buf = null;
}
protected override void Dispose(bool disposing)
{
streamClosed = true;
expandable = false;
if (internalBuffer != null)
{
VariableSizedBufferPool.Release(internalBuffer);
}
internalBuffer = null;
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (this.buffer != null)
{
VariableSizedBufferPool.Release(this.buffer);
}
this.buffer = null;
}
/// <summary>
/// On WP8 platform there are no ASCII encoding.
/// </summary>
public static byte[] GetASCIIBytes(this string str)
{
byte[] result = VariableSizedBufferPool.Get(str.Length, false);
for (int i = 0; i < str.Length; ++i)
{
char ch = str[i];
result[i] = (byte)((ch < (char)0x80) ? ch : '?');
}
return(result);
}
public byte[] ToArray(bool canBeLarger)
{
int l = length - initialIndex;
byte[] outBuffer = l > 0 ? VariableSizedBufferPool.Get(l, canBeLarger) : VariableSizedBufferPool.NoData;
if (internalBuffer != null)
{
Buffer.BlockCopy(internalBuffer, initialIndex, outBuffer, 0, l);
}
return(outBuffer);
}
/// <summary>
/// Resize a byte array. It will release the old one to the pool, and the new one is from the pool too.
/// </summary>
public static byte[] Resize(ref byte[] buffer, int newSize, bool canBeLarger)
{
if (!_isEnabled)
{
Array.Resize <byte>(ref buffer, newSize);
return(buffer);
}
byte[] newBuf = VariableSizedBufferPool.Get(newSize, canBeLarger);
Array.Copy(buffer, 0, newBuf, 0, Math.Min(newBuf.Length, buffer.Length));
VariableSizedBufferPool.Release(buffer);
return(buffer = newBuf);
}
public BufferPoolMemoryStream(int capacity)
{
if (capacity < 0)
{
throw new ArgumentOutOfRangeException("capacity");
}
canWrite = true;
internalBuffer = capacity > 0 ? VariableSizedBufferPool.Get(capacity, true) : VariableSizedBufferPool.NoData;
this.capacity = internalBuffer.Length;
expandable = true;
allowGetBuffer = true;
}
public static string CalculateMD5Hash(this byte[] input)
{
#if NETFX_CORE
var alg = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Md5);
IBuffer buff = CryptographicBuffer.CreateFromByteArray(input);
var hashed = alg.HashData(buff);
var res = CryptographicBuffer.EncodeToHexString(hashed);
return(res);
#else
using (var md5 = Cryptography.MD5.Create()) {
var hash = md5.ComputeHash(input);
var sb = new StringBuilder(hash.Length);
for (int i = 0; i < hash.Length; ++i)
{
sb.Append(hash[i].ToString("x2"));
}
VariableSizedBufferPool.Release(hash);
return(sb.ToString());
}
#endif
}
public ReadOnlyBufferedStream(Stream nstream, int bufferSize)
{
stream = nstream;
buf = VariableSizedBufferPool.Get(bufferSize, true);
}
public ReadOnlyBufferedStream(Stream nstream)
{
stream = nstream;
buf = VariableSizedBufferPool.Get(READBUFFER, true);
}
