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86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined (__nsHTTPCompressConv__h__)
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#define __nsHTTPCompressConv__h__ 1
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#include "nsIStreamConverter.h"
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#include "nsIStringStream.h"
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#include "nsCOMPtr.h"
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#include "zlib.h"
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#define NS_HTTPCOMPRESSCONVERTER_CID \
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{ \
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/* 66230b2b-17fa-4bd3-abf4-07986151022d */ \
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0x66230b2b, \
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0x17fa, \
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0x4bd3, \
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{0xab, 0xf4, 0x07, 0x98, 0x61, 0x51, 0x02, 0x2d}\
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}
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#define HTTP_DEFLATE_TYPE "deflate"
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#define HTTP_GZIP_TYPE "gzip"
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#define HTTP_X_GZIP_TYPE "x-gzip"
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#define HTTP_COMPRESS_TYPE "compress"
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#define HTTP_X_COMPRESS_TYPE "x-compress"
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#define HTTP_IDENTITY_TYPE "identity"
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#define HTTP_UNCOMPRESSED_TYPE "uncompressed"
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typedef enum {
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HTTP_COMPRESS_GZIP,
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HTTP_COMPRESS_DEFLATE,
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HTTP_COMPRESS_COMPRESS,
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HTTP_COMPRESS_IDENTITY
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} CompressMode;
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class nsHTTPCompressConv : public nsIStreamConverter {
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public:
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// nsISupports methods
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NS_DECL_ISUPPORTS
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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// nsIStreamConverter methods
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NS_DECL_NSISTREAMCONVERTER
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nsHTTPCompressConv ();
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virtual ~nsHTTPCompressConv ();
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private:
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nsIStreamListener *mListener; // this guy gets the converted data via his OnDataAvailable ()
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CompressMode mMode;
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unsigned char *mOutBuffer;
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unsigned char *mInpBuffer;
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PRUint32 mOutBufferLen;
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PRUint32 mInpBufferLen;
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nsCOMPtr<nsISupports> mAsyncConvContext;
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nsCOMPtr<nsIStringInputStream> mStream;
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nsresult do_OnDataAvailable (nsIRequest *request, nsISupports *aContext,
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PRUint32 aSourceOffset, const char *buffer,
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PRUint32 aCount);
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bool mCheckHeaderDone;
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bool mStreamEnded;
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bool mStreamInitialized;
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bool mDummyStreamInitialised;
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z_stream d_stream;
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unsigned mLen, hMode, mSkipCount, mFlags;
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PRUint32 check_header (nsIInputStream *iStr, PRUint32 streamLen, nsresult *rv);
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};
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#endif
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