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| author | Mike Buland <eichlan@xagasoft.com> | 2011-10-27 04:44:46 +0000 |
|---|---|---|
| committer | Mike Buland <eichlan@xagasoft.com> | 2011-10-27 04:44:46 +0000 |
| commit | 9906ffe3c54875133448134c09ec12a0949d48cd (patch) | |
| tree | 0542fef3d27e796700b87b44394a3ad31dd5b852 /src/deflate.h | |
| parent | 411f240da34bab53cd18aa8b7ba09834ede49b1c (diff) | |
| parent | 029b5d159023f4dad607359dbfaa2479e21fe9e5 (diff) | |
| download | libbu++-9906ffe3c54875133448134c09ec12a0949d48cd.tar.gz libbu++-9906ffe3c54875133448134c09ec12a0949d48cd.tar.bz2 libbu++-9906ffe3c54875133448134c09ec12a0949d48cd.tar.xz libbu++-9906ffe3c54875133448134c09ec12a0949d48cd.zip | |
Reorg'd! I merged in the release-fixup branch and fixed all random warnings.
I also cleaned up the build script, the symlink generation is faster and looks
nicer, there's one think left to fix there, but it's not too bad.
Diffstat (limited to '')
| -rw-r--r-- | src/deflate.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/deflate.h b/src/deflate.h new file mode 100644 index 0000000..f835cfc --- /dev/null +++ b/src/deflate.h | |||
| @@ -0,0 +1,66 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2007-2011 Xagasoft, All rights reserved. | ||
| 3 | * | ||
| 4 | * This file is part of the libbu++ library and is released under the | ||
| 5 | * terms of the license contained in the file LICENSE. | ||
| 6 | */ | ||
| 7 | |||
| 8 | #ifndef BU_DEFLATE_H | ||
| 9 | #define BU_DEFLATE_H | ||
| 10 | |||
| 11 | #include <stdint.h> | ||
| 12 | |||
| 13 | #include "bu/filter.h" | ||
| 14 | |||
| 15 | namespace Bu | ||
| 16 | { | ||
| 17 | /** | ||
| 18 | * Provides Deflate (LZ77) support via zlib. This provides zlib, raw, and | ||
| 19 | * gzip stream types. By default it will autodetect the input type and | ||
| 20 | * encode into a raw deflate stream. | ||
| 21 | * | ||
| 22 | *@ingroup Streams | ||
| 23 | *@ingroup Compression | ||
| 24 | */ | ||
| 25 | class Deflate : public Bu::Filter | ||
| 26 | { | ||
| 27 | public: | ||
| 28 | enum Format | ||
| 29 | { | ||
| 30 | Raw = 0x01, | ||
| 31 | Zlib = 0x02, | ||
| 32 | Gzip = 0x03, | ||
| 33 | AutoDetect = 0x04, | ||
| 34 | |||
| 35 | AutoRaw = 0x04|0x01, | ||
| 36 | AutoZlib = 0x04|0x02, | ||
| 37 | AutoGzip = 0x04|0x03 | ||
| 38 | }; | ||
| 39 | |||
| 40 | Deflate( Bu::Stream &rNext, int nCompression=-1, Format eFmt=AutoZlib ); | ||
| 41 | virtual ~Deflate(); | ||
| 42 | |||
| 43 | virtual void start(); | ||
| 44 | virtual Bu::size stop(); | ||
| 45 | virtual Bu::size read( void *pBuf, Bu::size nBytes ); | ||
| 46 | virtual Bu::size write( const void *pBuf, Bu::size nBytes ); | ||
| 47 | |||
| 48 | virtual bool isOpen(); | ||
| 49 | virtual bool isEos(); | ||
| 50 | |||
| 51 | Bu::size getCompressedSize(); | ||
| 52 | |||
| 53 | private: | ||
| 54 | void zError( int code ); | ||
| 55 | void *prState; | ||
| 56 | bool bReading; | ||
| 57 | int nCompression; | ||
| 58 | char *pBuf; | ||
| 59 | uint32_t nBufSize; | ||
| 60 | Bu::size sTotalOut; | ||
| 61 | Format eFmt; | ||
| 62 | bool bEos; | ||
| 63 | }; | ||
| 64 | } | ||
| 65 | |||
| 66 | #endif | ||
