1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/streamconv/converters/nsHTTPCompressConv.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,86 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#if !defined (__nsHTTPCompressConv__h__)
1.10 +#define __nsHTTPCompressConv__h__ 1
1.11 +
1.12 +#include "nsIStreamConverter.h"
1.13 +#include "nsCOMPtr.h"
1.14 +
1.15 +#include "zlib.h"
1.16 +
1.17 +class nsIStringInputStream;
1.18 +
1.19 +#define NS_HTTPCOMPRESSCONVERTER_CID \
1.20 +{ \
1.21 + /* 66230b2b-17fa-4bd3-abf4-07986151022d */ \
1.22 + 0x66230b2b, \
1.23 + 0x17fa, \
1.24 + 0x4bd3, \
1.25 + {0xab, 0xf4, 0x07, 0x98, 0x61, 0x51, 0x02, 0x2d}\
1.26 +}
1.27 +
1.28 +
1.29 +#define HTTP_DEFLATE_TYPE "deflate"
1.30 +#define HTTP_GZIP_TYPE "gzip"
1.31 +#define HTTP_X_GZIP_TYPE "x-gzip"
1.32 +#define HTTP_COMPRESS_TYPE "compress"
1.33 +#define HTTP_X_COMPRESS_TYPE "x-compress"
1.34 +#define HTTP_IDENTITY_TYPE "identity"
1.35 +#define HTTP_UNCOMPRESSED_TYPE "uncompressed"
1.36 +
1.37 +typedef enum {
1.38 + HTTP_COMPRESS_GZIP,
1.39 + HTTP_COMPRESS_DEFLATE,
1.40 + HTTP_COMPRESS_COMPRESS,
1.41 + HTTP_COMPRESS_IDENTITY
1.42 + } CompressMode;
1.43 +
1.44 +class nsHTTPCompressConv : public nsIStreamConverter {
1.45 +public:
1.46 + // nsISupports methods
1.47 + NS_DECL_THREADSAFE_ISUPPORTS
1.48 +
1.49 + NS_DECL_NSIREQUESTOBSERVER
1.50 + NS_DECL_NSISTREAMLISTENER
1.51 +
1.52 + // nsIStreamConverter methods
1.53 + NS_DECL_NSISTREAMCONVERTER
1.54 +
1.55 +
1.56 + nsHTTPCompressConv ();
1.57 + virtual ~nsHTTPCompressConv ();
1.58 +
1.59 +private:
1.60 +
1.61 + nsIStreamListener *mListener; // this guy gets the converted data via his OnDataAvailable ()
1.62 + CompressMode mMode;
1.63 +
1.64 + unsigned char *mOutBuffer;
1.65 + unsigned char *mInpBuffer;
1.66 +
1.67 + uint32_t mOutBufferLen;
1.68 + uint32_t mInpBufferLen;
1.69 +
1.70 + nsCOMPtr<nsISupports> mAsyncConvContext;
1.71 + nsCOMPtr<nsIStringInputStream> mStream;
1.72 +
1.73 + nsresult do_OnDataAvailable (nsIRequest *request, nsISupports *aContext,
1.74 + uint64_t aSourceOffset, const char *buffer,
1.75 + uint32_t aCount);
1.76 +
1.77 + bool mCheckHeaderDone;
1.78 + bool mStreamEnded;
1.79 + bool mStreamInitialized;
1.80 + bool mDummyStreamInitialised;
1.81 +
1.82 + z_stream d_stream;
1.83 + unsigned mLen, hMode, mSkipCount, mFlags;
1.84 +
1.85 + uint32_t check_header (nsIInputStream *iStr, uint32_t streamLen, nsresult *rv);
1.86 +};
1.87 +
1.88 +
1.89 +#endif
