You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
282 lines
8.9 KiB
282 lines
8.9 KiB
// Copyright (c) 2006, ComponentAce
|
|
// http://www.componentace.com
|
|
// All rights reserved.
|
|
|
|
// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
|
|
|
|
// Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
|
|
// Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
|
|
// Neither the name of ComponentAce nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
|
|
/*
|
|
Copyright (c) 2001 Lapo Luchini.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the distribution.
|
|
|
|
3. The names of the authors may not be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
|
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS
|
|
OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
|
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
/*
|
|
* This program is based on zlib-1.1.3, so all credit should go authors
|
|
* Jean-loup Gailly(jloup@gzip.org) and Mark Adler(madler@alumni.caltech.edu)
|
|
* and contributors of zlib.
|
|
*/
|
|
using System;
|
|
namespace zlib
|
|
{
|
|
|
|
class ZOutputStream:System.IO.Stream
|
|
{
|
|
private void InitBlock()
|
|
{
|
|
flush_Renamed_Field = zlibConst.Z_NO_FLUSH;
|
|
buf = new byte[bufsize];
|
|
}
|
|
virtual public int FlushMode
|
|
{
|
|
get
|
|
{
|
|
return (flush_Renamed_Field);
|
|
}
|
|
|
|
set
|
|
{
|
|
this.flush_Renamed_Field = value;
|
|
}
|
|
|
|
}
|
|
/// <summary> Returns the total number of bytes input so far.</summary>
|
|
virtual public long TotalIn
|
|
{
|
|
get
|
|
{
|
|
return z.total_in;
|
|
}
|
|
|
|
}
|
|
/// <summary> Returns the total number of bytes output so far.</summary>
|
|
virtual public long TotalOut
|
|
{
|
|
get
|
|
{
|
|
return z.total_out;
|
|
}
|
|
|
|
}
|
|
|
|
protected internal ZStream z = new ZStream();
|
|
protected internal int bufsize = 512;
|
|
protected internal int flush_Renamed_Field;
|
|
protected internal byte[] buf, buf1 = new byte[1];
|
|
protected internal bool compress;
|
|
|
|
private System.IO.Stream out_Renamed;
|
|
|
|
public ZOutputStream(System.IO.Stream out_Renamed):base()
|
|
{
|
|
InitBlock();
|
|
this.out_Renamed = out_Renamed;
|
|
z.inflateInit();
|
|
compress = false;
|
|
}
|
|
|
|
public ZOutputStream(System.IO.Stream out_Renamed, int level):base()
|
|
{
|
|
InitBlock();
|
|
this.out_Renamed = out_Renamed;
|
|
z.deflateInit(level);
|
|
compress = true;
|
|
}
|
|
|
|
public void WriteByte(int b)
|
|
{
|
|
buf1[0] = (byte) b;
|
|
Write(buf1, 0, 1);
|
|
}
|
|
//UPGRADE_TODO: The differences in the Expected value of parameters for method 'WriteByte' may cause compilation errors. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1092_3"'
|
|
public override void WriteByte(byte b)
|
|
{
|
|
WriteByte((int) b);
|
|
}
|
|
|
|
public override void Write(System.Byte[] b1, int off, int len)
|
|
{
|
|
if (len == 0)
|
|
return ;
|
|
int err;
|
|
byte[] b = new byte[b1.Length];
|
|
System.Array.Copy(b1,b,b1.Length);
|
|
z.next_in = b;
|
|
z.next_in_index = off;
|
|
z.avail_in = len;
|
|
do
|
|
{
|
|
z.next_out = buf;
|
|
z.next_out_index = 0;
|
|
z.avail_out = bufsize;
|
|
if (compress)
|
|
err = z.deflate(flush_Renamed_Field);
|
|
else
|
|
err = z.inflate(flush_Renamed_Field);
|
|
if (err != zlibConst.Z_OK)
|
|
throw new ZStreamException((compress?"de":"in") + "flating: " + z.msg);
|
|
out_Renamed.Write(buf, 0, bufsize - z.avail_out);
|
|
}
|
|
while (z.avail_in > 0 || z.avail_out == 0);
|
|
}
|
|
|
|
public virtual void finish()
|
|
{
|
|
int err;
|
|
do
|
|
{
|
|
z.next_out = buf;
|
|
z.next_out_index = 0;
|
|
z.avail_out = bufsize;
|
|
if (compress)
|
|
{
|
|
err = z.deflate(zlibConst.Z_FINISH);
|
|
}
|
|
else
|
|
{
|
|
err = z.inflate(zlibConst.Z_FINISH);
|
|
}
|
|
if (err != zlibConst.Z_STREAM_END && err != zlibConst.Z_OK)
|
|
throw new ZStreamException((compress?"de":"in") + "flating: " + z.msg);
|
|
if (bufsize - z.avail_out > 0)
|
|
{
|
|
out_Renamed.Write(buf, 0, bufsize - z.avail_out);
|
|
}
|
|
}
|
|
while (z.avail_in > 0 || z.avail_out == 0);
|
|
try
|
|
{
|
|
Flush();
|
|
}
|
|
catch
|
|
{
|
|
}
|
|
}
|
|
public virtual void end()
|
|
{
|
|
if (compress)
|
|
{
|
|
z.deflateEnd();
|
|
}
|
|
else
|
|
{
|
|
z.inflateEnd();
|
|
}
|
|
z.free();
|
|
z = null;
|
|
}
|
|
public override void Close()
|
|
{
|
|
try
|
|
{
|
|
try
|
|
{
|
|
finish();
|
|
}
|
|
catch
|
|
{
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
end();
|
|
out_Renamed.Close();
|
|
out_Renamed = null;
|
|
}
|
|
}
|
|
|
|
public override void Flush()
|
|
{
|
|
out_Renamed.Flush();
|
|
}
|
|
//UPGRADE_TODO: The following method was automatically generated and it must be implemented in order to preserve the class logic. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1232_3"'
|
|
public override System.Int32 Read(System.Byte[] buffer, System.Int32 offset, System.Int32 count)
|
|
{
|
|
return 0;
|
|
}
|
|
//UPGRADE_TODO: The following method was automatically generated and it must be implemented in order to preserve the class logic. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1232_3"'
|
|
public override void SetLength(System.Int64 value)
|
|
{
|
|
}
|
|
//UPGRADE_TODO: The following method was automatically generated and it must be implemented in order to preserve the class logic. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1232_3"'
|
|
public override System.Int64 Seek(System.Int64 offset, System.IO.SeekOrigin origin)
|
|
{
|
|
return 0;
|
|
}
|
|
//UPGRADE_TODO: The following property was automatically generated and it must be implemented in order to preserve the class logic. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1232_3"'
|
|
public override System.Boolean CanRead
|
|
{
|
|
get
|
|
{
|
|
return false;
|
|
}
|
|
|
|
}
|
|
//UPGRADE_TODO: The following property was automatically generated and it must be implemented in order to preserve the class logic. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1232_3"'
|
|
public override System.Boolean CanSeek
|
|
{
|
|
get
|
|
{
|
|
return false;
|
|
}
|
|
|
|
}
|
|
//UPGRADE_TODO: The following property was automatically generated and it must be implemented in order to preserve the class logic. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1232_3"'
|
|
public override System.Boolean CanWrite
|
|
{
|
|
get
|
|
{
|
|
return false;
|
|
}
|
|
|
|
}
|
|
//UPGRADE_TODO: The following property was automatically generated and it must be implemented in order to preserve the class logic. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1232_3"'
|
|
public override System.Int64 Length
|
|
{
|
|
get
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
}
|
|
//UPGRADE_TODO: The following property was automatically generated and it must be implemented in order to preserve the class logic. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1232_3"'
|
|
public override System.Int64 Position
|
|
{
|
|
get
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
set
|
|
{
|
|
}
|
|
|
|
}
|
|
}
|
|
} |