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00010 #ifndef __COMPRESSOR_H__
00011 #define __COMPRESSOR_H__
00012
00013 #include <shogun/lib/config.h>
00014 #include <shogun/lib/common.h>
00015 #include <shogun/base/SGObject.h>
00016 #include <shogun/lib/io.h>
00017
00018 #ifdef USE_LZO
00019 #include <lzo/lzoconf.h>
00020 #include <lzo/lzo1x.h>
00021 #endif
00022
00023 namespace shogun
00024 {
00025 enum E_COMPRESSION_TYPE
00026 {
00027 UNCOMPRESSED,
00028 LZO,
00029 GZIP,
00030 BZIP2,
00031 LZMA
00032 };
00033
00034
00047 class CCompressor : public CSGObject
00048 {
00049 public:
00050
00055 CCompressor(E_COMPRESSION_TYPE ct) : CSGObject(), compression_type(ct)
00056 {
00057 }
00058
00060 virtual ~CCompressor()
00061 {
00062 }
00063
00075 void compress(uint8_t* uncompressed, uint64_t uncompressed_size,
00076 uint8_t* &compressed, uint64_t &compressed_size, int32_t level=1);
00077
00090 void decompress(uint8_t* compressed, uint64_t compressed_size,
00091 uint8_t* uncompressed, uint64_t& uncompressed_size);
00092
00094 inline virtual const char* get_name() const { return "Compressor"; }
00095
00096 protected:
00098 E_COMPRESSION_TYPE compression_type;
00099 };
00100 }
00101 #endif //__COMPRESSOR_H__