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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@625 212acab6-be3b-0410-9dea-997c60f758d6

Source/cbzip2.h

@@ -0,0 +1,51 @@
+#ifndef __CBZIP2_H__
+#define __CBZIP2_H__
+
+#include "compressor.h"
+#include "bzip2/bzlib.h"
+
+class CBzip2 : public ICompressor {
+  public:
+    int Init(int level) {
+      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) {
+      return BZ2_bzCompress(stream, finish?BZ_FINISH:0);
+    }
+
+    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;
+    }
+
+  private:
+    bz_stream *stream;
+};
+
+#endif