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- #ifndef __CBZIP2_H__
- #define __CBZIP2_H__
-
- #include "compressor.h"
- #include "bzip2/bzlib.h"
-
- class CBzip2 : public ICompressor {
- public:
- int Init(int level) {
- last_ret = !BZ_STREAM_END;
- stream = new bz_stream;
- if (!stream) return BZ_MEM_ERROR;
- return BZ2_bzCompressInit(stream, level, 0, 30);
- }
-
- int End() {
- int ret = BZ2_bzCompressEnd(stream);
- delete stream;
- return ret;
- }
-
- int Compress(BOOL finish) {
- // act like zlib when it comes to stream ending
- if (last_ret == BZ_STREAM_END && finish)
- return BZ_STREAM_END;
- last_ret = BZ2_bzCompress(stream, finish?BZ_FINISH:0);
- return last_ret;
- }
-
- void SetNextIn(char *in, unsigned int size) {
- stream->next_in = in;
- stream->avail_in = size;
- }
-
- void SetNextOut(char *out, unsigned int size) {
- stream->next_out = out;
- stream->avail_out = size;
- }
-
- virtual char* GetNextOut() {
- return stream->next_out;
- }
-
- virtual unsigned int GetAvailIn() {
- return stream->avail_in;
- }
-
- virtual unsigned int GetAvailOut() {
- return stream->avail_out;
- }
-
- const char* GetName() {
- return "bzip2";
- }
-
- private:
- bz_stream *stream;
- int last_ret;
- };
-
- #endif