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comparison: modules/libjar/zipwriter/src/nsDeflateConverter.h
modules/libjar/zipwriter/src/nsDeflateConverter.h
- changeset 0
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| -1:000000000000 | 0:347e7d50f498 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 4 */ | |
| 5 | |
| 6 #ifndef _nsDeflateConverter_h_ | |
| 7 #define _nsDeflateConverter_h_ | |
| 8 | |
| 9 #include "nsIStreamConverter.h" | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "nsIPipe.h" | |
| 12 #include "zlib.h" | |
| 13 #include "mozilla/Attributes.h" | |
| 14 | |
| 15 #define DEFLATECONVERTER_CID { 0x461cd5dd, 0x73c6, 0x47a4, \ | |
| 16 { 0x8c, 0xc3, 0x60, 0x3b, 0x37, 0xd8, 0x4a, 0x61 } } | |
| 17 | |
| 18 #define ZIP_BUFLEN (4 * 1024 - 1) | |
| 19 | |
| 20 class nsDeflateConverter MOZ_FINAL : public nsIStreamConverter | |
| 21 { | |
| 22 public: | |
| 23 NS_DECL_ISUPPORTS | |
| 24 NS_DECL_NSIREQUESTOBSERVER | |
| 25 NS_DECL_NSISTREAMLISTENER | |
| 26 NS_DECL_NSISTREAMCONVERTER | |
| 27 | |
| 28 nsDeflateConverter() | |
| 29 { | |
| 30 // 6 is Z_DEFAULT_COMPRESSION but we need the actual value | |
| 31 mLevel = 6; | |
| 32 } | |
| 33 | |
| 34 nsDeflateConverter(int32_t level) | |
| 35 { | |
| 36 mLevel = level; | |
| 37 } | |
| 38 | |
| 39 private: | |
| 40 | |
| 41 ~nsDeflateConverter() | |
| 42 { | |
| 43 } | |
| 44 | |
| 45 enum WrapMode { | |
| 46 WRAP_ZLIB, | |
| 47 WRAP_GZIP, | |
| 48 WRAP_NONE | |
| 49 }; | |
| 50 | |
| 51 WrapMode mWrapMode; | |
| 52 uint64_t mOffset; | |
| 53 int32_t mLevel; | |
| 54 nsCOMPtr<nsIStreamListener> mListener; | |
| 55 nsCOMPtr<nsISupports> mContext; | |
| 56 z_stream mZstream; | |
| 57 unsigned char mWriteBuffer[ZIP_BUFLEN]; | |
| 58 | |
| 59 nsresult Init(); | |
| 60 nsresult PushAvailableData(nsIRequest *aRequest, nsISupports *aContext); | |
| 61 }; | |
| 62 | |
| 63 #endif |
