modules/libjar/zipwriter/src/nsDeflateConverter.h@6474c204b198 (annotated)
modules/libjar/zipwriter/src/nsDeflateConverter.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| michael@0 | 4 | */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef _nsDeflateConverter_h_ |
| michael@0 | 7 | #define _nsDeflateConverter_h_ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsIStreamConverter.h" |
| michael@0 | 10 | #include "nsCOMPtr.h" |
| michael@0 | 11 | #include "nsIPipe.h" |
| michael@0 | 12 | #include "zlib.h" |
| michael@0 | 13 | #include "mozilla/Attributes.h" |
| michael@0 | 14 | |
| michael@0 | 15 | #define DEFLATECONVERTER_CID { 0x461cd5dd, 0x73c6, 0x47a4, \ |
| michael@0 | 16 | { 0x8c, 0xc3, 0x60, 0x3b, 0x37, 0xd8, 0x4a, 0x61 } } |
| michael@0 | 17 | |
| michael@0 | 18 | #define ZIP_BUFLEN (4 * 1024 - 1) |
| michael@0 | 19 | |
| michael@0 | 20 | class nsDeflateConverter MOZ_FINAL : public nsIStreamConverter |
| michael@0 | 21 | { |
| michael@0 | 22 | public: |
| michael@0 | 23 | NS_DECL_ISUPPORTS |
| michael@0 | 24 | NS_DECL_NSIREQUESTOBSERVER |
| michael@0 | 25 | NS_DECL_NSISTREAMLISTENER |
| michael@0 | 26 | NS_DECL_NSISTREAMCONVERTER |
| michael@0 | 27 | |
| michael@0 | 28 | nsDeflateConverter() |
| michael@0 | 29 | { |
| michael@0 | 30 | // 6 is Z_DEFAULT_COMPRESSION but we need the actual value |
| michael@0 | 31 | mLevel = 6; |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | nsDeflateConverter(int32_t level) |
| michael@0 | 35 | { |
| michael@0 | 36 | mLevel = level; |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | private: |
| michael@0 | 40 | |
| michael@0 | 41 | ~nsDeflateConverter() |
| michael@0 | 42 | { |
| michael@0 | 43 | } |
| michael@0 | 44 | |
| michael@0 | 45 | enum WrapMode { |
| michael@0 | 46 | WRAP_ZLIB, |
| michael@0 | 47 | WRAP_GZIP, |
| michael@0 | 48 | WRAP_NONE |
| michael@0 | 49 | }; |
| michael@0 | 50 | |
| michael@0 | 51 | WrapMode mWrapMode; |
| michael@0 | 52 | uint64_t mOffset; |
| michael@0 | 53 | int32_t mLevel; |
| michael@0 | 54 | nsCOMPtr<nsIStreamListener> mListener; |
| michael@0 | 55 | nsCOMPtr<nsISupports> mContext; |
| michael@0 | 56 | z_stream mZstream; |
| michael@0 | 57 | unsigned char mWriteBuffer[ZIP_BUFLEN]; |
| michael@0 | 58 | |
| michael@0 | 59 | nsresult Init(); |
| michael@0 | 60 | nsresult PushAvailableData(nsIRequest *aRequest, nsISupports *aContext); |
| michael@0 | 61 | }; |
| michael@0 | 62 | |
| michael@0 | 63 | #endif |
