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comparison: netwerk/streamconv/converters/nsHTTPCompressConv.h
netwerk/streamconv/converters/nsHTTPCompressConv.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #if !defined (__nsHTTPCompressConv__h__) | |
| 7 #define __nsHTTPCompressConv__h__ 1 | |
| 8 | |
| 9 #include "nsIStreamConverter.h" | |
| 10 #include "nsCOMPtr.h" | |
| 11 | |
| 12 #include "zlib.h" | |
| 13 | |
| 14 class nsIStringInputStream; | |
| 15 | |
| 16 #define NS_HTTPCOMPRESSCONVERTER_CID \ | |
| 17 { \ | |
| 18 /* 66230b2b-17fa-4bd3-abf4-07986151022d */ \ | |
| 19 0x66230b2b, \ | |
| 20 0x17fa, \ | |
| 21 0x4bd3, \ | |
| 22 {0xab, 0xf4, 0x07, 0x98, 0x61, 0x51, 0x02, 0x2d}\ | |
| 23 } | |
| 24 | |
| 25 | |
| 26 #define HTTP_DEFLATE_TYPE "deflate" | |
| 27 #define HTTP_GZIP_TYPE "gzip" | |
| 28 #define HTTP_X_GZIP_TYPE "x-gzip" | |
| 29 #define HTTP_COMPRESS_TYPE "compress" | |
| 30 #define HTTP_X_COMPRESS_TYPE "x-compress" | |
| 31 #define HTTP_IDENTITY_TYPE "identity" | |
| 32 #define HTTP_UNCOMPRESSED_TYPE "uncompressed" | |
| 33 | |
| 34 typedef enum { | |
| 35 HTTP_COMPRESS_GZIP, | |
| 36 HTTP_COMPRESS_DEFLATE, | |
| 37 HTTP_COMPRESS_COMPRESS, | |
| 38 HTTP_COMPRESS_IDENTITY | |
| 39 } CompressMode; | |
| 40 | |
| 41 class nsHTTPCompressConv : public nsIStreamConverter { | |
| 42 public: | |
| 43 // nsISupports methods | |
| 44 NS_DECL_THREADSAFE_ISUPPORTS | |
| 45 | |
| 46 NS_DECL_NSIREQUESTOBSERVER | |
| 47 NS_DECL_NSISTREAMLISTENER | |
| 48 | |
| 49 // nsIStreamConverter methods | |
| 50 NS_DECL_NSISTREAMCONVERTER | |
| 51 | |
| 52 | |
| 53 nsHTTPCompressConv (); | |
| 54 virtual ~nsHTTPCompressConv (); | |
| 55 | |
| 56 private: | |
| 57 | |
| 58 nsIStreamListener *mListener; // this guy gets the converted data via his OnDataAvailable () | |
| 59 CompressMode mMode; | |
| 60 | |
| 61 unsigned char *mOutBuffer; | |
| 62 unsigned char *mInpBuffer; | |
| 63 | |
| 64 uint32_t mOutBufferLen; | |
| 65 uint32_t mInpBufferLen; | |
| 66 | |
| 67 nsCOMPtr<nsISupports> mAsyncConvContext; | |
| 68 nsCOMPtr<nsIStringInputStream> mStream; | |
| 69 | |
| 70 nsresult do_OnDataAvailable (nsIRequest *request, nsISupports *aContext, | |
| 71 uint64_t aSourceOffset, const char *buffer, | |
| 72 uint32_t aCount); | |
| 73 | |
| 74 bool mCheckHeaderDone; | |
| 75 bool mStreamEnded; | |
| 76 bool mStreamInitialized; | |
| 77 bool mDummyStreamInitialised; | |
| 78 | |
| 79 z_stream d_stream; | |
| 80 unsigned mLen, hMode, mSkipCount, mFlags; | |
| 81 | |
| 82 uint32_t check_header (nsIInputStream *iStr, uint32_t streamLen, nsresult *rv); | |
| 83 }; | |
| 84 | |
| 85 | |
| 86 #endif |
