/// <summary>Initialize the inflation state with an explicit flag to govern the handling of RFC1950 header bytes.</summary>
/// <remarks>If you want to read a zlib stream you should specify true for expectRfc1950Header. In this case, the library will expect to find a ZLIB header, as defined in <see href = "http://www.ietf.org/rfc/rfc1950.txt">RFC 1950</see>, in the compressed stream. If you will be reading a DEFLATE or GZIP stream, which does not have such a header, you will want to specify false.</remarks>
/// <param name="windowBits">The number of window bits to use. If you need to ask what that is, then you shouldn't be calling this initializer.</param>
/// <param name="expectRfc1950Header">whether to expect an RFC1950 header byte pair when reading the stream of data to be inflated.</param>
/// <returns>Z_OK if everything goes well.</returns>
internal int InitializeInflate(int windowBits, bool expectRfc1950Header)
{
this.WindowBits = windowBits;
if (this.Dstate != null)
{
throw new ZlibException("You may not call InitializeInflate() after calling InitializeDeflate().");
}
this.Istate = new InflateManager(expectRfc1950Header);
return(this.Istate.Initialize(this, windowBits));
}
/// <summary>
/// Ends an inflation session.
/// </summary>
/// <remarks>
/// Call this after successively calling Inflate(). This will cause all buffers to be flushed.
/// After calling this you cannot call Inflate() without a intervening call to one of the
/// InitializeInflate() overloads.
/// </remarks>
/// <returns>Z_OK if everything goes well.</returns>
public int EndInflate()
{
if (istate == null)
{
throw new ZlibException("No Inflate State!");
}
int ret = istate.End();
istate = null;
return(ret);
}
/// <summary>Ends an inflation session.</summary>
/// <remarks>Call this after successively calling Inflate(). This will cause all buffers to be flushed. After calling this you cannot call Inflate() without a intervening call to one of the InitializeInflate() overloads.</remarks>
/// <returns>Z_OK if everything goes well.</returns>
internal int EndInflate()
{
if (this.Istate == null)
{
throw new ZlibException("No Inflate State!");
}
int ret = this.Istate.End();
this.Istate = null;
return(ret);
}
/// <summary>Initialize the inflation state with an explicit flag to govern the handling of RFC1950 header bytes.</summary>
/// <remarks>If you want to read a zlib stream you should specify true for expectRfc1950Header. In this case, the library will expect to find a ZLIB header, as defined in <see href = "http://www.ietf.org/rfc/rfc1950.txt">RFC 1950</see>, in the compressed stream. If you will be reading a DEFLATE or GZIP stream, which does not have such a header, you will want to specify false.</remarks>
/// <param name="windowBits">The number of window bits to use. If you need to ask what that is, then you shouldn't be calling this initializer.</param>
/// <param name="expectRfc1950Header">whether to expect an RFC1950 header byte pair when reading the stream of data to be inflated.</param>
/// <returns>Z_OK if everything goes well.</returns>
internal int InitializeInflate(int windowBits, bool expectRfc1950Header)
{
this.WindowBits = windowBits;
if (this.Dstate != null)
{
throw new ZlibException("You may not call InitializeInflate() after calling InitializeDeflate().");
}
this.Istate = new InflateManager(expectRfc1950Header);
return this.Istate.Initialize(this, windowBits);
}
/// <summary>Ends an inflation session.</summary>
/// <remarks>Call this after successively calling Inflate(). This will cause all buffers to be flushed. After calling this you cannot call Inflate() without a intervening call to one of the InitializeInflate() overloads.</remarks>
/// <returns>Z_OK if everything goes well.</returns>
internal int EndInflate()
{
if (this.Istate == null)
{
throw new ZlibException("No Inflate State!");
}
int ret = this.Istate.End();
this.Istate = null;
return ret;
}
