зеркало из https://github.com/mozilla/gecko-dev.git
100 строки
2.9 KiB
C++
100 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#if !defined (__nsHTTPCompressConv__h__)
|
|
#define __nsHTTPCompressConv__h__ 1
|
|
|
|
#include "nsIStreamConverter.h"
|
|
#include "nsIFactory.h"
|
|
#include "nsCOMPtr.h"
|
|
|
|
#include "zlib.h"
|
|
|
|
#define NS_HTTPCOMPRESSCONVERTER_CID \
|
|
{ \
|
|
/* 66230b2b-17fa-4bd3-abf4-07986151022d */ \
|
|
0x66230b2b, \
|
|
0x17fa, \
|
|
0x4bd3, \
|
|
{0xab, 0xf4, 0x07, 0x98, 0x61, 0x51, 0x02, 0x2d}\
|
|
}
|
|
|
|
static NS_DEFINE_CID(kHTTPCompressConverterCID, NS_HTTPCOMPRESSCONVERTER_CID);
|
|
|
|
#define HTTP_DEFLATE_TYPE "deflate"
|
|
#define HTTP_GZIP_TYPE "gzip"
|
|
#define HTTP_X_GZIP_TYPE "x-gzip"
|
|
#define HTTP_COMPRESS_TYPE "compress"
|
|
#define HTTP_X_COMPRESS_TYPE "x-compress"
|
|
#define HTTP_IDENTITY_TYPE "identity"
|
|
#define HTTP_UNCOMPRESSED_TYPE "uncompressed"
|
|
|
|
typedef enum {
|
|
HTTP_COMPRESS_GZIP,
|
|
HTTP_COMPRESS_DEFLATE,
|
|
HTTP_COMPRESS_COMPRESS,
|
|
HTTP_COMPRESS_IDENTITY
|
|
} CompressMode;
|
|
|
|
class nsHTTPCompressConv : public nsIStreamConverter {
|
|
public:
|
|
// nsISupports methods
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_DECL_NSISTREAMOBSERVER
|
|
NS_DECL_NSISTREAMLISTENER
|
|
|
|
// nsIStreamConverter methods
|
|
NS_DECL_NSISTREAMCONVERTER
|
|
|
|
|
|
nsHTTPCompressConv ();
|
|
virtual ~nsHTTPCompressConv ();
|
|
|
|
private:
|
|
|
|
nsIStreamListener *mListener; // this guy gets the converted data via his OnDataAvailable ()
|
|
CompressMode mMode;
|
|
|
|
unsigned char *mOutBuffer;
|
|
unsigned char *mInpBuffer;
|
|
|
|
PRUint32 mOutBufferLen;
|
|
PRUint32 mInpBufferLen;
|
|
|
|
nsCOMPtr<nsISupports> mAsyncConvContext;
|
|
|
|
nsresult do_OnDataAvailable (nsIChannel *aChannel, nsISupports *aContext, PRUint32 aSourceOffset, char *buffer, PRUint32 aCount);
|
|
|
|
PRBool mCheckHeaderDone;
|
|
PRBool mGzipStreamEnded;
|
|
PRBool mGzipStreamInitialized;
|
|
|
|
z_stream d_stream;
|
|
unsigned mLen, hMode, mSkipCount, mFlags;
|
|
|
|
PRUint32 check_header (nsIInputStream *iStr, PRUint32 streamLen, nsresult *rv);
|
|
};
|
|
|
|
|
|
#endif
|